diff options
Diffstat (limited to 'drivers/staging/imx-drm')
| -rw-r--r-- | drivers/staging/imx-drm/Kconfig | 53 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/Makefile | 12 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/TODO | 17 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/imx-drm-core.c | 718 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/imx-drm.h | 56 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/imx-hdmi.c | 1768 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/imx-hdmi.h | 1032 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/imx-ldb.c | 613 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/imx-tve.c | 735 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/ipuv3-crtc.c | 515 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/ipuv3-plane.c | 387 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/ipuv3-plane.h | 55 | ||||
| -rw-r--r-- | drivers/staging/imx-drm/parallel-display.c | 293 | 
13 files changed, 6254 insertions, 0 deletions
diff --git a/drivers/staging/imx-drm/Kconfig b/drivers/staging/imx-drm/Kconfig new file mode 100644 index 00000000000..82fb758a29b --- /dev/null +++ b/drivers/staging/imx-drm/Kconfig @@ -0,0 +1,53 @@ +config DRM_IMX +	tristate "DRM Support for Freescale i.MX" +	select DRM_KMS_HELPER +	select DRM_KMS_FB_HELPER +	select VIDEOMODE_HELPERS +	select DRM_GEM_CMA_HELPER +	select DRM_KMS_CMA_HELPER +	depends on DRM && (ARCH_MXC || ARCH_MULTIPLATFORM) +	help +	  enable i.MX graphics support + +config DRM_IMX_FB_HELPER +	tristate "provide legacy framebuffer /dev/fb0" +	select DRM_KMS_CMA_HELPER +	depends on DRM_IMX +	help +	  The DRM framework can provide a legacy /dev/fb0 framebuffer +	  for your device. This is necessary to get a framebuffer console +	  and also for applications using the legacy framebuffer API + +config DRM_IMX_PARALLEL_DISPLAY +	tristate "Support for parallel displays" +	select DRM_PANEL +	depends on DRM_IMX +	select VIDEOMODE_HELPERS + +config DRM_IMX_TVE +	tristate "Support for TV and VGA displays" +	depends on DRM_IMX +	select REGMAP_MMIO +	help +	  Choose this to enable the internal Television Encoder (TVe) +	  found on i.MX53 processors. + +config DRM_IMX_LDB +	tristate "Support for LVDS displays" +	depends on DRM_IMX && MFD_SYSCON +	help +	  Choose this to enable the internal LVDS Display Bridge (LDB) +	  found on i.MX53 and i.MX6 processors. + +config DRM_IMX_IPUV3 +	tristate "DRM Support for i.MX IPUv3" +	depends on DRM_IMX +	depends on IMX_IPUV3_CORE +	help +	  Choose this if you have a i.MX5 or i.MX6 processor. + +config DRM_IMX_HDMI +	tristate "Freescale i.MX DRM HDMI" +	depends on DRM_IMX +	help +	  Choose this if you want to use HDMI on i.MX6. diff --git a/drivers/staging/imx-drm/Makefile b/drivers/staging/imx-drm/Makefile new file mode 100644 index 00000000000..582c438d8cb --- /dev/null +++ b/drivers/staging/imx-drm/Makefile @@ -0,0 +1,12 @@ + +imxdrm-objs := imx-drm-core.o + +obj-$(CONFIG_DRM_IMX) += imxdrm.o + +obj-$(CONFIG_DRM_IMX_PARALLEL_DISPLAY) += parallel-display.o +obj-$(CONFIG_DRM_IMX_TVE) += imx-tve.o +obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o + +imx-ipuv3-crtc-objs  := ipuv3-crtc.o ipuv3-plane.o +obj-$(CONFIG_DRM_IMX_IPUV3)	+= imx-ipuv3-crtc.o +obj-$(CONFIG_DRM_IMX_HDMI) += imx-hdmi.o diff --git a/drivers/staging/imx-drm/TODO b/drivers/staging/imx-drm/TODO new file mode 100644 index 00000000000..29636fb1395 --- /dev/null +++ b/drivers/staging/imx-drm/TODO @@ -0,0 +1,17 @@ +TODO: +- get DRM Maintainer review for this code +- decide where to put the base driver. It is not specific to a subsystem +  and would be used by DRM/KMS and media/V4L2 + +Missing features (not necessarily for moving out of staging): + +- Add support for IC (Image converter) +- Add support for CSI (CMOS Sensor interface) +- Add support for VDIC (Video Deinterlacer) + +Many work-in-progress patches for the above features exist. Contact +Sascha Hauer <kernel@pengutronix.de> if you are interested in working +on a specific feature. + +Please send any patches to Greg Kroah-Hartman <gregkh@linuxfoundation.org> and +Sascha Hauer <kernel@pengutronix.de> diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c new file mode 100644 index 00000000000..def8280d7ee --- /dev/null +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -0,0 +1,718 @@ +/* + * Freescale i.MX drm driver + * + * Copyright (C) 2011 Sascha Hauer, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + */ +#include <linux/component.h> +#include <linux/device.h> +#include <linux/fb.h> +#include <linux/module.h> +#include <linux/of_graph.h> +#include <linux/platform_device.h> +#include <drm/drmP.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_fb_cma_helper.h> + +#include "imx-drm.h" + +#define MAX_CRTC	4 + +struct imx_drm_crtc; + +struct imx_drm_component { +	struct device_node *of_node; +	struct list_head list; +}; + +struct imx_drm_device { +	struct drm_device			*drm; +	struct imx_drm_crtc			*crtc[MAX_CRTC]; +	int					pipes; +	struct drm_fbdev_cma			*fbhelper; +}; + +struct imx_drm_crtc { +	struct drm_crtc				*crtc; +	int					pipe; +	struct imx_drm_crtc_helper_funcs	imx_drm_helper_funcs; +	struct device_node			*port; +}; + +static int legacyfb_depth = 16; +module_param(legacyfb_depth, int, 0444); + +int imx_drm_crtc_id(struct imx_drm_crtc *crtc) +{ +	return crtc->pipe; +} +EXPORT_SYMBOL_GPL(imx_drm_crtc_id); + +static void imx_drm_driver_lastclose(struct drm_device *drm) +{ +#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER) +	struct imx_drm_device *imxdrm = drm->dev_private; + +	if (imxdrm->fbhelper) +		drm_fbdev_cma_restore_mode(imxdrm->fbhelper); +#endif +} + +static int imx_drm_driver_unload(struct drm_device *drm) +{ +#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER) +	struct imx_drm_device *imxdrm = drm->dev_private; +#endif + +	drm_kms_helper_poll_fini(drm); + +#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER) +	if (imxdrm->fbhelper) +		drm_fbdev_cma_fini(imxdrm->fbhelper); +#endif + +	component_unbind_all(drm->dev, drm); + +	drm_vblank_cleanup(drm); +	drm_mode_config_cleanup(drm); + +	return 0; +} + +static struct imx_drm_crtc *imx_drm_find_crtc(struct drm_crtc *crtc) +{ +	struct imx_drm_device *imxdrm = crtc->dev->dev_private; +	unsigned i; + +	for (i = 0; i < MAX_CRTC; i++) +		if (imxdrm->crtc[i] && imxdrm->crtc[i]->crtc == crtc) +			return imxdrm->crtc[i]; + +	return NULL; +} + +int imx_drm_panel_format_pins(struct drm_encoder *encoder, +		u32 interface_pix_fmt, int hsync_pin, int vsync_pin) +{ +	struct imx_drm_crtc_helper_funcs *helper; +	struct imx_drm_crtc *imx_crtc; + +	imx_crtc = imx_drm_find_crtc(encoder->crtc); +	if (!imx_crtc) +		return -EINVAL; + +	helper = &imx_crtc->imx_drm_helper_funcs; +	if (helper->set_interface_pix_fmt) +		return helper->set_interface_pix_fmt(encoder->crtc, +				encoder->encoder_type, interface_pix_fmt, +				hsync_pin, vsync_pin); +	return 0; +} +EXPORT_SYMBOL_GPL(imx_drm_panel_format_pins); + +int imx_drm_panel_format(struct drm_encoder *encoder, u32 interface_pix_fmt) +{ +	return imx_drm_panel_format_pins(encoder, interface_pix_fmt, 2, 3); +} +EXPORT_SYMBOL_GPL(imx_drm_panel_format); + +int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc) +{ +	return drm_vblank_get(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe); +} +EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_get); + +void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc) +{ +	drm_vblank_put(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe); +} +EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_put); + +void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc) +{ +	drm_handle_vblank(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe); +} +EXPORT_SYMBOL_GPL(imx_drm_handle_vblank); + +static int imx_drm_enable_vblank(struct drm_device *drm, int crtc) +{ +	struct imx_drm_device *imxdrm = drm->dev_private; +	struct imx_drm_crtc *imx_drm_crtc = imxdrm->crtc[crtc]; +	int ret; + +	if (!imx_drm_crtc) +		return -EINVAL; + +	if (!imx_drm_crtc->imx_drm_helper_funcs.enable_vblank) +		return -ENOSYS; + +	ret = imx_drm_crtc->imx_drm_helper_funcs.enable_vblank( +			imx_drm_crtc->crtc); + +	return ret; +} + +static void imx_drm_disable_vblank(struct drm_device *drm, int crtc) +{ +	struct imx_drm_device *imxdrm = drm->dev_private; +	struct imx_drm_crtc *imx_drm_crtc = imxdrm->crtc[crtc]; + +	if (!imx_drm_crtc) +		return; + +	if (!imx_drm_crtc->imx_drm_helper_funcs.disable_vblank) +		return; + +	imx_drm_crtc->imx_drm_helper_funcs.disable_vblank(imx_drm_crtc->crtc); +} + +static void imx_drm_driver_preclose(struct drm_device *drm, +		struct drm_file *file) +{ +	int i; + +	if (!file->is_master) +		return; + +	for (i = 0; i < MAX_CRTC; i++) +		imx_drm_disable_vblank(drm, i); +} + +static const struct file_operations imx_drm_driver_fops = { +	.owner = THIS_MODULE, +	.open = drm_open, +	.release = drm_release, +	.unlocked_ioctl = drm_ioctl, +	.mmap = drm_gem_cma_mmap, +	.poll = drm_poll, +	.read = drm_read, +	.llseek = noop_llseek, +}; + +void imx_drm_connector_destroy(struct drm_connector *connector) +{ +	drm_sysfs_connector_remove(connector); +	drm_connector_cleanup(connector); +} +EXPORT_SYMBOL_GPL(imx_drm_connector_destroy); + +void imx_drm_encoder_destroy(struct drm_encoder *encoder) +{ +	drm_encoder_cleanup(encoder); +} +EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy); + +static void imx_drm_output_poll_changed(struct drm_device *drm) +{ +#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER) +	struct imx_drm_device *imxdrm = drm->dev_private; + +	drm_fbdev_cma_hotplug_event(imxdrm->fbhelper); +#endif +} + +static struct drm_mode_config_funcs imx_drm_mode_config_funcs = { +	.fb_create = drm_fb_cma_create, +	.output_poll_changed = imx_drm_output_poll_changed, +}; + +/* + * Main DRM initialisation. This binds, initialises and registers + * with DRM the subcomponents of the driver. + */ +static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) +{ +	struct imx_drm_device *imxdrm; +	struct drm_connector *connector; +	int ret; + +	imxdrm = devm_kzalloc(drm->dev, sizeof(*imxdrm), GFP_KERNEL); +	if (!imxdrm) +		return -ENOMEM; + +	imxdrm->drm = drm; + +	drm->dev_private = imxdrm; + +	/* +	 * enable drm irq mode. +	 * - with irq_enabled = true, we can use the vblank feature. +	 * +	 * P.S. note that we wouldn't use drm irq handler but +	 *      just specific driver own one instead because +	 *      drm framework supports only one irq handler and +	 *      drivers can well take care of their interrupts +	 */ +	drm->irq_enabled = true; + +	/* +	 * set max width and height as default value(4096x4096). +	 * this value would be used to check framebuffer size limitation +	 * at drm_mode_addfb(). +	 */ +	drm->mode_config.min_width = 64; +	drm->mode_config.min_height = 64; +	drm->mode_config.max_width = 4096; +	drm->mode_config.max_height = 4096; +	drm->mode_config.funcs = &imx_drm_mode_config_funcs; + +	drm_mode_config_init(drm); + +	ret = drm_vblank_init(drm, MAX_CRTC); +	if (ret) +		goto err_kms; + +	/* +	 * with vblank_disable_allowed = true, vblank interrupt will be +	 * disabled by drm timer once a current process gives up ownership +	 * of vblank event. (after drm_vblank_put function is called) +	 */ +	drm->vblank_disable_allowed = true; + +	platform_set_drvdata(drm->platformdev, drm); + +	/* Now try and bind all our sub-components */ +	ret = component_bind_all(drm->dev, drm); +	if (ret) +		goto err_vblank; + +	/* +	 * All components are now added, we can publish the connector sysfs +	 * entries to userspace.  This will generate hotplug events and so +	 * userspace will expect to be able to access DRM at this point. +	 */ +	list_for_each_entry(connector, &drm->mode_config.connector_list, head) { +		ret = drm_sysfs_connector_add(connector); +		if (ret) { +			dev_err(drm->dev, +				"[CONNECTOR:%d:%s] drm_sysfs_connector_add failed: %d\n", +				connector->base.id, +				connector->name, ret); +			goto err_unbind; +		} +	} + +	/* +	 * All components are now initialised, so setup the fb helper. +	 * The fb helper takes copies of key hardware information, so the +	 * crtcs/connectors/encoders must not change after this point. +	 */ +#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER) +	if (legacyfb_depth != 16 && legacyfb_depth != 32) { +		dev_warn(drm->dev, "Invalid legacyfb_depth.  Defaulting to 16bpp\n"); +		legacyfb_depth = 16; +	} +	imxdrm->fbhelper = drm_fbdev_cma_init(drm, legacyfb_depth, +				drm->mode_config.num_crtc, MAX_CRTC); +	if (IS_ERR(imxdrm->fbhelper)) { +		ret = PTR_ERR(imxdrm->fbhelper); +		imxdrm->fbhelper = NULL; +		goto err_unbind; +	} +#endif + +	drm_kms_helper_poll_init(drm); + +	return 0; + +err_unbind: +	component_unbind_all(drm->dev, drm); +err_vblank: +	drm_vblank_cleanup(drm); +err_kms: +	drm_mode_config_cleanup(drm); + +	return ret; +} + +/* + * imx_drm_add_crtc - add a new crtc + */ +int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, +		struct imx_drm_crtc **new_crtc, +		const struct imx_drm_crtc_helper_funcs *imx_drm_helper_funcs, +		struct device_node *port) +{ +	struct imx_drm_device *imxdrm = drm->dev_private; +	struct imx_drm_crtc *imx_drm_crtc; +	int ret; + +	/* +	 * The vblank arrays are dimensioned by MAX_CRTC - we can't +	 * pass IDs greater than this to those functions. +	 */ +	if (imxdrm->pipes >= MAX_CRTC) +		return -EINVAL; + +	if (imxdrm->drm->open_count) +		return -EBUSY; + +	imx_drm_crtc = kzalloc(sizeof(*imx_drm_crtc), GFP_KERNEL); +	if (!imx_drm_crtc) +		return -ENOMEM; + +	imx_drm_crtc->imx_drm_helper_funcs = *imx_drm_helper_funcs; +	imx_drm_crtc->pipe = imxdrm->pipes++; +	imx_drm_crtc->port = port; +	imx_drm_crtc->crtc = crtc; + +	imxdrm->crtc[imx_drm_crtc->pipe] = imx_drm_crtc; + +	*new_crtc = imx_drm_crtc; + +	ret = drm_mode_crtc_set_gamma_size(imx_drm_crtc->crtc, 256); +	if (ret) +		goto err_register; + +	drm_crtc_helper_add(crtc, +			imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs); + +	drm_crtc_init(drm, crtc, +			imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs); + +	return 0; + +err_register: +	imxdrm->crtc[imx_drm_crtc->pipe] = NULL; +	kfree(imx_drm_crtc); +	return ret; +} +EXPORT_SYMBOL_GPL(imx_drm_add_crtc); + +/* + * imx_drm_remove_crtc - remove a crtc + */ +int imx_drm_remove_crtc(struct imx_drm_crtc *imx_drm_crtc) +{ +	struct imx_drm_device *imxdrm = imx_drm_crtc->crtc->dev->dev_private; + +	drm_crtc_cleanup(imx_drm_crtc->crtc); + +	imxdrm->crtc[imx_drm_crtc->pipe] = NULL; + +	kfree(imx_drm_crtc); + +	return 0; +} +EXPORT_SYMBOL_GPL(imx_drm_remove_crtc); + +/* + * Find the DRM CRTC possible mask for the connected endpoint. + * + * The encoder possible masks are defined by their position in the + * mode_config crtc_list.  This means that CRTCs must not be added + * or removed once the DRM device has been fully initialised. + */ +static uint32_t imx_drm_find_crtc_mask(struct imx_drm_device *imxdrm, +	struct device_node *endpoint) +{ +	struct device_node *port; +	unsigned i; + +	port = of_graph_get_remote_port(endpoint); +	if (!port) +		return 0; +	of_node_put(port); + +	for (i = 0; i < MAX_CRTC; i++) { +		struct imx_drm_crtc *imx_drm_crtc = imxdrm->crtc[i]; +		if (imx_drm_crtc && imx_drm_crtc->port == port) +			return drm_crtc_mask(imx_drm_crtc->crtc); +	} + +	return 0; +} + +static struct device_node *imx_drm_of_get_next_endpoint( +		const struct device_node *parent, struct device_node *prev) +{ +	struct device_node *node = of_graph_get_next_endpoint(parent, prev); +	of_node_put(prev); +	return node; +} + +int imx_drm_encoder_parse_of(struct drm_device *drm, +	struct drm_encoder *encoder, struct device_node *np) +{ +	struct imx_drm_device *imxdrm = drm->dev_private; +	struct device_node *ep = NULL; +	uint32_t crtc_mask = 0; +	int i; + +	for (i = 0; ; i++) { +		u32 mask; + +		ep = imx_drm_of_get_next_endpoint(np, ep); +		if (!ep) +			break; + +		mask = imx_drm_find_crtc_mask(imxdrm, ep); + +		/* +		 * If we failed to find the CRTC(s) which this encoder is +		 * supposed to be connected to, it's because the CRTC has +		 * not been registered yet.  Defer probing, and hope that +		 * the required CRTC is added later. +		 */ +		if (mask == 0) +			return -EPROBE_DEFER; + +		crtc_mask |= mask; +	} + +	if (ep) +		of_node_put(ep); +	if (i == 0) +		return -ENOENT; + +	encoder->possible_crtcs = crtc_mask; + +	/* FIXME: this is the mask of outputs which can clone this output. */ +	encoder->possible_clones = ~0; + +	return 0; +} +EXPORT_SYMBOL_GPL(imx_drm_encoder_parse_of); + +/* + * @node: device tree node containing encoder input ports + * @encoder: drm_encoder + */ +int imx_drm_encoder_get_mux_id(struct device_node *node, +			       struct drm_encoder *encoder) +{ +	struct imx_drm_crtc *imx_crtc = imx_drm_find_crtc(encoder->crtc); +	struct device_node *ep = NULL; +	struct of_endpoint endpoint; +	struct device_node *port; +	int ret; + +	if (!node || !imx_crtc) +		return -EINVAL; + +	do { +		ep = imx_drm_of_get_next_endpoint(node, ep); +		if (!ep) +			break; + +		port = of_graph_get_remote_port(ep); +		of_node_put(port); +		if (port == imx_crtc->port) { +			ret = of_graph_parse_endpoint(ep, &endpoint); +			return ret ? ret : endpoint.port; +		} +	} while (ep); + +	return -EINVAL; +} +EXPORT_SYMBOL_GPL(imx_drm_encoder_get_mux_id); + +static const struct drm_ioctl_desc imx_drm_ioctls[] = { +	/* none so far */ +}; + +static struct drm_driver imx_drm_driver = { +	.driver_features	= DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, +	.load			= imx_drm_driver_load, +	.unload			= imx_drm_driver_unload, +	.lastclose		= imx_drm_driver_lastclose, +	.preclose		= imx_drm_driver_preclose, +	.gem_free_object	= drm_gem_cma_free_object, +	.gem_vm_ops		= &drm_gem_cma_vm_ops, +	.dumb_create		= drm_gem_cma_dumb_create, +	.dumb_map_offset	= drm_gem_cma_dumb_map_offset, +	.dumb_destroy		= drm_gem_dumb_destroy, + +	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, +	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, +	.gem_prime_import	= drm_gem_prime_import, +	.gem_prime_export	= drm_gem_prime_export, +	.gem_prime_get_sg_table	= drm_gem_cma_prime_get_sg_table, +	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, +	.gem_prime_vmap		= drm_gem_cma_prime_vmap, +	.gem_prime_vunmap	= drm_gem_cma_prime_vunmap, +	.gem_prime_mmap		= drm_gem_cma_prime_mmap, +	.get_vblank_counter	= drm_vblank_count, +	.enable_vblank		= imx_drm_enable_vblank, +	.disable_vblank		= imx_drm_disable_vblank, +	.ioctls			= imx_drm_ioctls, +	.num_ioctls		= ARRAY_SIZE(imx_drm_ioctls), +	.fops			= &imx_drm_driver_fops, +	.name			= "imx-drm", +	.desc			= "i.MX DRM graphics", +	.date			= "20120507", +	.major			= 1, +	.minor			= 0, +	.patchlevel		= 0, +}; + +static int compare_of(struct device *dev, void *data) +{ +	struct device_node *np = data; + +	/* Special case for LDB, one device for two channels */ +	if (of_node_cmp(np->name, "lvds-channel") == 0) { +		np = of_get_parent(np); +		of_node_put(np); +	} + +	return dev->of_node == np; +} + +static LIST_HEAD(imx_drm_components); + +static int imx_drm_add_components(struct device *master, struct master *m) +{ +	struct imx_drm_component *component; +	int ret; + +	list_for_each_entry(component, &imx_drm_components, list) { +		ret = component_master_add_child(m, compare_of, +						 component->of_node); +		if (ret) +			return ret; +	} +	return 0; +} + +static int imx_drm_bind(struct device *dev) +{ +	return drm_platform_init(&imx_drm_driver, to_platform_device(dev)); +} + +static void imx_drm_unbind(struct device *dev) +{ +	drm_put_dev(dev_get_drvdata(dev)); +} + +static const struct component_master_ops imx_drm_ops = { +	.add_components = imx_drm_add_components, +	.bind = imx_drm_bind, +	.unbind = imx_drm_unbind, +}; + +static struct imx_drm_component *imx_drm_find_component(struct device *dev, +		struct device_node *node) +{ +	struct imx_drm_component *component; + +	list_for_each_entry(component, &imx_drm_components, list) +		if (component->of_node == node) +			return component; + +	return NULL; +} + +static int imx_drm_add_component(struct device *dev, struct device_node *node) +{ +	struct imx_drm_component *component; + +	if (imx_drm_find_component(dev, node)) +		return 0; + +	component = devm_kzalloc(dev, sizeof(*component), GFP_KERNEL); +	if (!component) +		return -ENOMEM; + +	component->of_node = node; +	list_add_tail(&component->list, &imx_drm_components); + +	return 0; +} + +static int imx_drm_platform_probe(struct platform_device *pdev) +{ +	struct device_node *ep, *port, *remote; +	int ret; +	int i; + +	/* +	 * Bind the IPU display interface ports first, so that +	 * imx_drm_encoder_parse_of called from encoder .bind callbacks +	 * works as expected. +	 */ +	for (i = 0; ; i++) { +		port = of_parse_phandle(pdev->dev.of_node, "ports", i); +		if (!port) +			break; + +		ret = imx_drm_add_component(&pdev->dev, port); +		if (ret < 0) +			return ret; +	} + +	if (i == 0) { +		dev_err(&pdev->dev, "missing 'ports' property\n"); +		return -ENODEV; +	} + +	/* Then bind all encoders */ +	for (i = 0; ; i++) { +		port = of_parse_phandle(pdev->dev.of_node, "ports", i); +		if (!port) +			break; + +		for_each_child_of_node(port, ep) { +			remote = of_graph_get_remote_port_parent(ep); +			if (!remote || !of_device_is_available(remote)) { +				of_node_put(remote); +				continue; +			} else if (!of_device_is_available(remote->parent)) { +				dev_warn(&pdev->dev, "parent device of %s is not available\n", +					 remote->full_name); +				of_node_put(remote); +				continue; +			} + +			ret = imx_drm_add_component(&pdev->dev, remote); +			of_node_put(remote); +			if (ret < 0) +				return ret; +		} +		of_node_put(port); +	} + +	ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); +	if (ret) +		return ret; + +	return component_master_add(&pdev->dev, &imx_drm_ops); +} + +static int imx_drm_platform_remove(struct platform_device *pdev) +{ +	component_master_del(&pdev->dev, &imx_drm_ops); +	return 0; +} + +static const struct of_device_id imx_drm_dt_ids[] = { +	{ .compatible = "fsl,imx-display-subsystem", }, +	{ /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, imx_drm_dt_ids); + +static struct platform_driver imx_drm_pdrv = { +	.probe		= imx_drm_platform_probe, +	.remove		= imx_drm_platform_remove, +	.driver		= { +		.owner	= THIS_MODULE, +		.name	= "imx-drm", +		.of_match_table = imx_drm_dt_ids, +	}, +}; +module_platform_driver(imx_drm_pdrv); + +MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); +MODULE_DESCRIPTION("i.MX drm driver core"); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/imx-drm/imx-drm.h b/drivers/staging/imx-drm/imx-drm.h new file mode 100644 index 00000000000..7453ae00c41 --- /dev/null +++ b/drivers/staging/imx-drm/imx-drm.h @@ -0,0 +1,56 @@ +#ifndef _IMX_DRM_H_ +#define _IMX_DRM_H_ + +struct device_node; +struct drm_crtc; +struct drm_connector; +struct drm_device; +struct drm_display_mode; +struct drm_encoder; +struct drm_fbdev_cma; +struct drm_framebuffer; +struct imx_drm_crtc; +struct platform_device; + +int imx_drm_crtc_id(struct imx_drm_crtc *crtc); + +struct imx_drm_crtc_helper_funcs { +	int (*enable_vblank)(struct drm_crtc *crtc); +	void (*disable_vblank)(struct drm_crtc *crtc); +	int (*set_interface_pix_fmt)(struct drm_crtc *crtc, u32 encoder_type, +			u32 pix_fmt, int hsync_pin, int vsync_pin); +	const struct drm_crtc_helper_funcs *crtc_helper_funcs; +	const struct drm_crtc_funcs *crtc_funcs; +}; + +int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, +		struct imx_drm_crtc **new_crtc, +		const struct imx_drm_crtc_helper_funcs *imx_helper_funcs, +		struct device_node *port); +int imx_drm_remove_crtc(struct imx_drm_crtc *); +int imx_drm_init_drm(struct platform_device *pdev, +		int preferred_bpp); +int imx_drm_exit_drm(void); + +int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc); +void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc); +void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc); + +void imx_drm_mode_config_init(struct drm_device *drm); + +struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb); + +int imx_drm_panel_format_pins(struct drm_encoder *encoder, +		u32 interface_pix_fmt, int hsync_pin, int vsync_pin); +int imx_drm_panel_format(struct drm_encoder *encoder, +		u32 interface_pix_fmt); + +int imx_drm_encoder_get_mux_id(struct device_node *node, +		struct drm_encoder *encoder); +int imx_drm_encoder_parse_of(struct drm_device *drm, +	struct drm_encoder *encoder, struct device_node *np); + +void imx_drm_connector_destroy(struct drm_connector *connector); +void imx_drm_encoder_destroy(struct drm_encoder *encoder); + +#endif /* _IMX_DRM_H_ */ diff --git a/drivers/staging/imx-drm/imx-hdmi.c b/drivers/staging/imx-drm/imx-hdmi.c new file mode 100644 index 00000000000..18c9ccd460b --- /dev/null +++ b/drivers/staging/imx-drm/imx-hdmi.c @@ -0,0 +1,1768 @@ +/* + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * SH-Mobile High-Definition Multimedia Interface (HDMI) driver + * for SLISHDMI13T and SLIPHDMIT IP cores + * + * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de> + */ + +#include <linux/component.h> +#include <linux/irq.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/hdmi.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> +#include <linux/of_device.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_edid.h> +#include <drm/drm_encoder_slave.h> +#include <video/imx-ipu-v3.h> + +#include "imx-hdmi.h" +#include "imx-drm.h" + +#define HDMI_EDID_LEN		512 + +#define RGB			0 +#define YCBCR444		1 +#define YCBCR422_16BITS		2 +#define YCBCR422_8BITS		3 +#define XVYCC444		4 + +enum hdmi_datamap { +	RGB444_8B = 0x01, +	RGB444_10B = 0x03, +	RGB444_12B = 0x05, +	RGB444_16B = 0x07, +	YCbCr444_8B = 0x09, +	YCbCr444_10B = 0x0B, +	YCbCr444_12B = 0x0D, +	YCbCr444_16B = 0x0F, +	YCbCr422_8B = 0x16, +	YCbCr422_10B = 0x14, +	YCbCr422_12B = 0x12, +}; + +enum imx_hdmi_devtype { +	IMX6Q_HDMI, +	IMX6DL_HDMI, +}; + +static const u16 csc_coeff_default[3][4] = { +	{ 0x2000, 0x0000, 0x0000, 0x0000 }, +	{ 0x0000, 0x2000, 0x0000, 0x0000 }, +	{ 0x0000, 0x0000, 0x2000, 0x0000 } +}; + +static const u16 csc_coeff_rgb_out_eitu601[3][4] = { +	{ 0x2000, 0x6926, 0x74fd, 0x010e }, +	{ 0x2000, 0x2cdd, 0x0000, 0x7e9a }, +	{ 0x2000, 0x0000, 0x38b4, 0x7e3b } +}; + +static const u16 csc_coeff_rgb_out_eitu709[3][4] = { +	{ 0x2000, 0x7106, 0x7a02, 0x00a7 }, +	{ 0x2000, 0x3264, 0x0000, 0x7e6d }, +	{ 0x2000, 0x0000, 0x3b61, 0x7e25 } +}; + +static const u16 csc_coeff_rgb_in_eitu601[3][4] = { +	{ 0x2591, 0x1322, 0x074b, 0x0000 }, +	{ 0x6535, 0x2000, 0x7acc, 0x0200 }, +	{ 0x6acd, 0x7534, 0x2000, 0x0200 } +}; + +static const u16 csc_coeff_rgb_in_eitu709[3][4] = { +	{ 0x2dc5, 0x0d9b, 0x049e, 0x0000 }, +	{ 0x62f0, 0x2000, 0x7d11, 0x0200 }, +	{ 0x6756, 0x78ab, 0x2000, 0x0200 } +}; + +struct hdmi_vmode { +	bool mdvi; +	bool mhsyncpolarity; +	bool mvsyncpolarity; +	bool minterlaced; +	bool mdataenablepolarity; + +	unsigned int mpixelclock; +	unsigned int mpixelrepetitioninput; +	unsigned int mpixelrepetitionoutput; +}; + +struct hdmi_data_info { +	unsigned int enc_in_format; +	unsigned int enc_out_format; +	unsigned int enc_color_depth; +	unsigned int colorimetry; +	unsigned int pix_repet_factor; +	unsigned int hdcp_enable; +	struct hdmi_vmode video_mode; +}; + +struct imx_hdmi { +	struct drm_connector connector; +	struct drm_encoder encoder; + +	enum imx_hdmi_devtype dev_type; +	struct device *dev; +	struct clk *isfr_clk; +	struct clk *iahb_clk; + +	struct hdmi_data_info hdmi_data; +	int vic; + +	u8 edid[HDMI_EDID_LEN]; +	bool cable_plugin; + +	bool phy_enabled; +	struct drm_display_mode previous_mode; + +	struct regmap *regmap; +	struct i2c_adapter *ddc; +	void __iomem *regs; + +	unsigned int sample_rate; +	int ratio; +}; + +static void imx_hdmi_set_ipu_di_mux(struct imx_hdmi *hdmi, int ipu_di) +{ +	regmap_update_bits(hdmi->regmap, IOMUXC_GPR3, +			   IMX6Q_GPR3_HDMI_MUX_CTL_MASK, +			   ipu_di << IMX6Q_GPR3_HDMI_MUX_CTL_SHIFT); +} + +static inline void hdmi_writeb(struct imx_hdmi *hdmi, u8 val, int offset) +{ +	writeb(val, hdmi->regs + offset); +} + +static inline u8 hdmi_readb(struct imx_hdmi *hdmi, int offset) +{ +	return readb(hdmi->regs + offset); +} + +static void hdmi_modb(struct imx_hdmi *hdmi, u8 data, u8 mask, unsigned reg) +{ +	u8 val = hdmi_readb(hdmi, reg) & ~mask; + +	val |= data & mask; +	hdmi_writeb(hdmi, val, reg); +} + +static void hdmi_mask_writeb(struct imx_hdmi *hdmi, u8 data, unsigned int reg, +		      u8 shift, u8 mask) +{ +	hdmi_modb(hdmi, data << shift, mask, reg); +} + +static void hdmi_set_clock_regenerator_n(struct imx_hdmi *hdmi, +					 unsigned int value) +{ +	hdmi_writeb(hdmi, value & 0xff, HDMI_AUD_N1); +	hdmi_writeb(hdmi, (value >> 8) & 0xff, HDMI_AUD_N2); +	hdmi_writeb(hdmi, (value >> 16) & 0x0f, HDMI_AUD_N3); + +	/* nshift factor = 0 */ +	hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3); +} + +static void hdmi_regenerate_cts(struct imx_hdmi *hdmi, unsigned int cts) +{ +	/* Must be set/cleared first */ +	hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3); + +	hdmi_writeb(hdmi, cts & 0xff, HDMI_AUD_CTS1); +	hdmi_writeb(hdmi, (cts >> 8) & 0xff, HDMI_AUD_CTS2); +	hdmi_writeb(hdmi, ((cts >> 16) & HDMI_AUD_CTS3_AUDCTS19_16_MASK) | +		    HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3); +} + +static unsigned int hdmi_compute_n(unsigned int freq, unsigned long pixel_clk, +				   unsigned int ratio) +{ +	unsigned int n = (128 * freq) / 1000; + +	switch (freq) { +	case 32000: +		if (pixel_clk == 25170000) +			n = (ratio == 150) ? 9152 : 4576; +		else if (pixel_clk == 27020000) +			n = (ratio == 150) ? 8192 : 4096; +		else if (pixel_clk == 74170000 || pixel_clk == 148350000) +			n = 11648; +		else +			n = 4096; +		break; + +	case 44100: +		if (pixel_clk == 25170000) +			n = 7007; +		else if (pixel_clk == 74170000) +			n = 17836; +		else if (pixel_clk == 148350000) +			n = (ratio == 150) ? 17836 : 8918; +		else +			n = 6272; +		break; + +	case 48000: +		if (pixel_clk == 25170000) +			n = (ratio == 150) ? 9152 : 6864; +		else if (pixel_clk == 27020000) +			n = (ratio == 150) ? 8192 : 6144; +		else if (pixel_clk == 74170000) +			n = 11648; +		else if (pixel_clk == 148350000) +			n = (ratio == 150) ? 11648 : 5824; +		else +			n = 6144; +		break; + +	case 88200: +		n = hdmi_compute_n(44100, pixel_clk, ratio) * 2; +		break; + +	case 96000: +		n = hdmi_compute_n(48000, pixel_clk, ratio) * 2; +		break; + +	case 176400: +		n = hdmi_compute_n(44100, pixel_clk, ratio) * 4; +		break; + +	case 192000: +		n = hdmi_compute_n(48000, pixel_clk, ratio) * 4; +		break; + +	default: +		break; +	} + +	return n; +} + +static unsigned int hdmi_compute_cts(unsigned int freq, unsigned long pixel_clk, +				     unsigned int ratio) +{ +	unsigned int cts = 0; + +	pr_debug("%s: freq: %d pixel_clk: %ld ratio: %d\n", __func__, freq, +		 pixel_clk, ratio); + +	switch (freq) { +	case 32000: +		if (pixel_clk == 297000000) { +			cts = 222750; +			break; +		} +	case 48000: +	case 96000: +	case 192000: +		switch (pixel_clk) { +		case 25200000: +		case 27000000: +		case 54000000: +		case 74250000: +		case 148500000: +			cts = pixel_clk / 1000; +			break; +		case 297000000: +			cts = 247500; +			break; +		/* +		 * All other TMDS clocks are not supported by +		 * DWC_hdmi_tx. The TMDS clocks divided or +		 * multiplied by 1,001 coefficients are not +		 * supported. +		 */ +		default: +			break; +		} +		break; +	case 44100: +	case 88200: +	case 176400: +		switch (pixel_clk) { +		case 25200000: +			cts = 28000; +			break; +		case 27000000: +			cts = 30000; +			break; +		case 54000000: +			cts = 60000; +			break; +		case 74250000: +			cts = 82500; +			break; +		case 148500000: +			cts = 165000; +			break; +		case 297000000: +			cts = 247500; +			break; +		default: +			break; +		} +		break; +	default: +		break; +	} +	if (ratio == 100) +		return cts; +	else +		return (cts * ratio) / 100; +} + +static void hdmi_set_clk_regenerator(struct imx_hdmi *hdmi, +	unsigned long pixel_clk) +{ +	unsigned int clk_n, clk_cts; + +	clk_n = hdmi_compute_n(hdmi->sample_rate, pixel_clk, +			       hdmi->ratio); +	clk_cts = hdmi_compute_cts(hdmi->sample_rate, pixel_clk, +				   hdmi->ratio); + +	if (!clk_cts) { +		dev_dbg(hdmi->dev, "%s: pixel clock not supported: %lu\n", +			 __func__, pixel_clk); +		return; +	} + +	dev_dbg(hdmi->dev, "%s: samplerate=%d  ratio=%d  pixelclk=%lu  N=%d cts=%d\n", +		__func__, hdmi->sample_rate, hdmi->ratio, +		pixel_clk, clk_n, clk_cts); + +	hdmi_set_clock_regenerator_n(hdmi, clk_n); +	hdmi_regenerate_cts(hdmi, clk_cts); +} + +static void hdmi_init_clk_regenerator(struct imx_hdmi *hdmi) +{ +	hdmi_set_clk_regenerator(hdmi, 74250000); +} + +static void hdmi_clk_regenerator_update_pixel_clock(struct imx_hdmi *hdmi) +{ +	hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); +} + +/* + * this submodule is responsible for the video data synchronization. + * for example, for RGB 4:4:4 input, the data map is defined as + *			pin{47~40} <==> R[7:0] + *			pin{31~24} <==> G[7:0] + *			pin{15~8}  <==> B[7:0] + */ +static void hdmi_video_sample(struct imx_hdmi *hdmi) +{ +	int color_format = 0; +	u8 val; + +	if (hdmi->hdmi_data.enc_in_format == RGB) { +		if (hdmi->hdmi_data.enc_color_depth == 8) +			color_format = 0x01; +		else if (hdmi->hdmi_data.enc_color_depth == 10) +			color_format = 0x03; +		else if (hdmi->hdmi_data.enc_color_depth == 12) +			color_format = 0x05; +		else if (hdmi->hdmi_data.enc_color_depth == 16) +			color_format = 0x07; +		else +			return; +	} else if (hdmi->hdmi_data.enc_in_format == YCBCR444) { +		if (hdmi->hdmi_data.enc_color_depth == 8) +			color_format = 0x09; +		else if (hdmi->hdmi_data.enc_color_depth == 10) +			color_format = 0x0B; +		else if (hdmi->hdmi_data.enc_color_depth == 12) +			color_format = 0x0D; +		else if (hdmi->hdmi_data.enc_color_depth == 16) +			color_format = 0x0F; +		else +			return; +	} else if (hdmi->hdmi_data.enc_in_format == YCBCR422_8BITS) { +		if (hdmi->hdmi_data.enc_color_depth == 8) +			color_format = 0x16; +		else if (hdmi->hdmi_data.enc_color_depth == 10) +			color_format = 0x14; +		else if (hdmi->hdmi_data.enc_color_depth == 12) +			color_format = 0x12; +		else +			return; +	} + +	val = HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE | +		((color_format << HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET) & +		HDMI_TX_INVID0_VIDEO_MAPPING_MASK); +	hdmi_writeb(hdmi, val, HDMI_TX_INVID0); + +	/* Enable TX stuffing: When DE is inactive, fix the output data to 0 */ +	val = HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE | +		HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE | +		HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE; +	hdmi_writeb(hdmi, val, HDMI_TX_INSTUFFING); +	hdmi_writeb(hdmi, 0x0, HDMI_TX_GYDATA0); +	hdmi_writeb(hdmi, 0x0, HDMI_TX_GYDATA1); +	hdmi_writeb(hdmi, 0x0, HDMI_TX_RCRDATA0); +	hdmi_writeb(hdmi, 0x0, HDMI_TX_RCRDATA1); +	hdmi_writeb(hdmi, 0x0, HDMI_TX_BCBDATA0); +	hdmi_writeb(hdmi, 0x0, HDMI_TX_BCBDATA1); +} + +static int is_color_space_conversion(struct imx_hdmi *hdmi) +{ +	return hdmi->hdmi_data.enc_in_format != hdmi->hdmi_data.enc_out_format; +} + +static int is_color_space_decimation(struct imx_hdmi *hdmi) +{ +	if (hdmi->hdmi_data.enc_out_format != YCBCR422_8BITS) +		return 0; +	if (hdmi->hdmi_data.enc_in_format == RGB || +	    hdmi->hdmi_data.enc_in_format == YCBCR444) +		return 1; +	return 0; +} + +static int is_color_space_interpolation(struct imx_hdmi *hdmi) +{ +	if (hdmi->hdmi_data.enc_in_format != YCBCR422_8BITS) +		return 0; +	if (hdmi->hdmi_data.enc_out_format == RGB || +	    hdmi->hdmi_data.enc_out_format == YCBCR444) +		return 1; +	return 0; +} + +static void imx_hdmi_update_csc_coeffs(struct imx_hdmi *hdmi) +{ +	const u16 (*csc_coeff)[3][4] = &csc_coeff_default; +	unsigned i; +	u32 csc_scale = 1; + +	if (is_color_space_conversion(hdmi)) { +		if (hdmi->hdmi_data.enc_out_format == RGB) { +			if (hdmi->hdmi_data.colorimetry == +					HDMI_COLORIMETRY_ITU_601) +				csc_coeff = &csc_coeff_rgb_out_eitu601; +			else +				csc_coeff = &csc_coeff_rgb_out_eitu709; +		} else if (hdmi->hdmi_data.enc_in_format == RGB) { +			if (hdmi->hdmi_data.colorimetry == +					HDMI_COLORIMETRY_ITU_601) +				csc_coeff = &csc_coeff_rgb_in_eitu601; +			else +				csc_coeff = &csc_coeff_rgb_in_eitu709; +			csc_scale = 0; +		} +	} + +	/* The CSC registers are sequential, alternating MSB then LSB */ +	for (i = 0; i < ARRAY_SIZE(csc_coeff_default[0]); i++) { +		u16 coeff_a = (*csc_coeff)[0][i]; +		u16 coeff_b = (*csc_coeff)[1][i]; +		u16 coeff_c = (*csc_coeff)[2][i]; + +		hdmi_writeb(hdmi, coeff_a & 0xff, +			HDMI_CSC_COEF_A1_LSB + i * 2); +		hdmi_writeb(hdmi, coeff_a >> 8, HDMI_CSC_COEF_A1_MSB + i * 2); +		hdmi_writeb(hdmi, coeff_b & 0xff, HDMI_CSC_COEF_B1_LSB + i * 2); +		hdmi_writeb(hdmi, coeff_b >> 8, HDMI_CSC_COEF_B1_MSB + i * 2); +		hdmi_writeb(hdmi, coeff_c & 0xff, +			HDMI_CSC_COEF_C1_LSB + i * 2); +		hdmi_writeb(hdmi, coeff_c >> 8, HDMI_CSC_COEF_C1_MSB + i * 2); +	} + +	hdmi_modb(hdmi, csc_scale, HDMI_CSC_SCALE_CSCSCALE_MASK, +		  HDMI_CSC_SCALE); +} + +static void hdmi_video_csc(struct imx_hdmi *hdmi) +{ +	int color_depth = 0; +	int interpolation = HDMI_CSC_CFG_INTMODE_DISABLE; +	int decimation = 0; + +	/* YCC422 interpolation to 444 mode */ +	if (is_color_space_interpolation(hdmi)) +		interpolation = HDMI_CSC_CFG_INTMODE_CHROMA_INT_FORMULA1; +	else if (is_color_space_decimation(hdmi)) +		decimation = HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA3; + +	if (hdmi->hdmi_data.enc_color_depth == 8) +		color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_24BPP; +	else if (hdmi->hdmi_data.enc_color_depth == 10) +		color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_30BPP; +	else if (hdmi->hdmi_data.enc_color_depth == 12) +		color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_36BPP; +	else if (hdmi->hdmi_data.enc_color_depth == 16) +		color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_48BPP; +	else +		return; + +	/* Configure the CSC registers */ +	hdmi_writeb(hdmi, interpolation | decimation, HDMI_CSC_CFG); +	hdmi_modb(hdmi, color_depth, HDMI_CSC_SCALE_CSC_COLORDE_PTH_MASK, +		  HDMI_CSC_SCALE); + +	imx_hdmi_update_csc_coeffs(hdmi); +} + +/* + * HDMI video packetizer is used to packetize the data. + * for example, if input is YCC422 mode or repeater is used, + * data should be repacked this module can be bypassed. + */ +static void hdmi_video_packetize(struct imx_hdmi *hdmi) +{ +	unsigned int color_depth = 0; +	unsigned int remap_size = HDMI_VP_REMAP_YCC422_16bit; +	unsigned int output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_PP; +	struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data; +	u8 val, vp_conf; + +	if (hdmi_data->enc_out_format == RGB +		|| hdmi_data->enc_out_format == YCBCR444) { +		if (!hdmi_data->enc_color_depth) +			output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS; +		else if (hdmi_data->enc_color_depth == 8) { +			color_depth = 4; +			output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS; +		} else if (hdmi_data->enc_color_depth == 10) +			color_depth = 5; +		else if (hdmi_data->enc_color_depth == 12) +			color_depth = 6; +		else if (hdmi_data->enc_color_depth == 16) +			color_depth = 7; +		else +			return; +	} else if (hdmi_data->enc_out_format == YCBCR422_8BITS) { +		if (!hdmi_data->enc_color_depth || +		    hdmi_data->enc_color_depth == 8) +			remap_size = HDMI_VP_REMAP_YCC422_16bit; +		else if (hdmi_data->enc_color_depth == 10) +			remap_size = HDMI_VP_REMAP_YCC422_20bit; +		else if (hdmi_data->enc_color_depth == 12) +			remap_size = HDMI_VP_REMAP_YCC422_24bit; +		else +			return; +		output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422; +	} else +		return; + +	/* set the packetizer registers */ +	val = ((color_depth << HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET) & +		HDMI_VP_PR_CD_COLOR_DEPTH_MASK) | +		((hdmi_data->pix_repet_factor << +		HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET) & +		HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK); +	hdmi_writeb(hdmi, val, HDMI_VP_PR_CD); + +	hdmi_modb(hdmi, HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE, +		  HDMI_VP_STUFF_PR_STUFFING_MASK, HDMI_VP_STUFF); + +	/* Data from pixel repeater block */ +	if (hdmi_data->pix_repet_factor > 1) { +		vp_conf = HDMI_VP_CONF_PR_EN_ENABLE | +			  HDMI_VP_CONF_BYPASS_SELECT_PIX_REPEATER; +	} else { /* data from packetizer block */ +		vp_conf = HDMI_VP_CONF_PR_EN_DISABLE | +			  HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER; +	} + +	hdmi_modb(hdmi, vp_conf, +		  HDMI_VP_CONF_PR_EN_MASK | +		  HDMI_VP_CONF_BYPASS_SELECT_MASK, HDMI_VP_CONF); + +	hdmi_modb(hdmi, 1 << HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET, +		  HDMI_VP_STUFF_IDEFAULT_PHASE_MASK, HDMI_VP_STUFF); + +	hdmi_writeb(hdmi, remap_size, HDMI_VP_REMAP); + +	if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_PP) { +		vp_conf = HDMI_VP_CONF_BYPASS_EN_DISABLE | +			  HDMI_VP_CONF_PP_EN_ENABLE | +			  HDMI_VP_CONF_YCC422_EN_DISABLE; +	} else if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422) { +		vp_conf = HDMI_VP_CONF_BYPASS_EN_DISABLE | +			  HDMI_VP_CONF_PP_EN_DISABLE | +			  HDMI_VP_CONF_YCC422_EN_ENABLE; +	} else if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS) { +		vp_conf = HDMI_VP_CONF_BYPASS_EN_ENABLE | +			  HDMI_VP_CONF_PP_EN_DISABLE | +			  HDMI_VP_CONF_YCC422_EN_DISABLE; +	} else { +		return; +	} + +	hdmi_modb(hdmi, vp_conf, +		  HDMI_VP_CONF_BYPASS_EN_MASK | HDMI_VP_CONF_PP_EN_ENMASK | +		  HDMI_VP_CONF_YCC422_EN_MASK, HDMI_VP_CONF); + +	hdmi_modb(hdmi, HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE | +			HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE, +		  HDMI_VP_STUFF_PP_STUFFING_MASK | +		  HDMI_VP_STUFF_YCC422_STUFFING_MASK, HDMI_VP_STUFF); + +	hdmi_modb(hdmi, output_select, HDMI_VP_CONF_OUTPUT_SELECTOR_MASK, +		  HDMI_VP_CONF); +} + +static inline void hdmi_phy_test_clear(struct imx_hdmi *hdmi, +						unsigned char bit) +{ +	hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTCLR_OFFSET, +		  HDMI_PHY_TST0_TSTCLR_MASK, HDMI_PHY_TST0); +} + +static inline void hdmi_phy_test_enable(struct imx_hdmi *hdmi, +						unsigned char bit) +{ +	hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTEN_OFFSET, +		  HDMI_PHY_TST0_TSTEN_MASK, HDMI_PHY_TST0); +} + +static inline void hdmi_phy_test_clock(struct imx_hdmi *hdmi, +						unsigned char bit) +{ +	hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTCLK_OFFSET, +		  HDMI_PHY_TST0_TSTCLK_MASK, HDMI_PHY_TST0); +} + +static inline void hdmi_phy_test_din(struct imx_hdmi *hdmi, +						unsigned char bit) +{ +	hdmi_writeb(hdmi, bit, HDMI_PHY_TST1); +} + +static inline void hdmi_phy_test_dout(struct imx_hdmi *hdmi, +						unsigned char bit) +{ +	hdmi_writeb(hdmi, bit, HDMI_PHY_TST2); +} + +static bool hdmi_phy_wait_i2c_done(struct imx_hdmi *hdmi, int msec) +{ +	while ((hdmi_readb(hdmi, HDMI_IH_I2CMPHY_STAT0) & 0x3) == 0) { +		if (msec-- == 0) +			return false; +		udelay(1000); +	} +	return true; +} + +static void __hdmi_phy_i2c_write(struct imx_hdmi *hdmi, unsigned short data, +			      unsigned char addr) +{ +	hdmi_writeb(hdmi, 0xFF, HDMI_IH_I2CMPHY_STAT0); +	hdmi_writeb(hdmi, addr, HDMI_PHY_I2CM_ADDRESS_ADDR); +	hdmi_writeb(hdmi, (unsigned char)(data >> 8), +		HDMI_PHY_I2CM_DATAO_1_ADDR); +	hdmi_writeb(hdmi, (unsigned char)(data >> 0), +		HDMI_PHY_I2CM_DATAO_0_ADDR); +	hdmi_writeb(hdmi, HDMI_PHY_I2CM_OPERATION_ADDR_WRITE, +		HDMI_PHY_I2CM_OPERATION_ADDR); +	hdmi_phy_wait_i2c_done(hdmi, 1000); +} + +static int hdmi_phy_i2c_write(struct imx_hdmi *hdmi, unsigned short data, +				     unsigned char addr) +{ +	__hdmi_phy_i2c_write(hdmi, data, addr); +	return 0; +} + +static void imx_hdmi_phy_enable_power(struct imx_hdmi *hdmi, u8 enable) +{ +	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, +			 HDMI_PHY_CONF0_PDZ_OFFSET, +			 HDMI_PHY_CONF0_PDZ_MASK); +} + +static void imx_hdmi_phy_enable_tmds(struct imx_hdmi *hdmi, u8 enable) +{ +	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, +			 HDMI_PHY_CONF0_ENTMDS_OFFSET, +			 HDMI_PHY_CONF0_ENTMDS_MASK); +} + +static void imx_hdmi_phy_gen2_pddq(struct imx_hdmi *hdmi, u8 enable) +{ +	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, +			 HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET, +			 HDMI_PHY_CONF0_GEN2_PDDQ_MASK); +} + +static void imx_hdmi_phy_gen2_txpwron(struct imx_hdmi *hdmi, u8 enable) +{ +	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, +			 HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET, +			 HDMI_PHY_CONF0_GEN2_TXPWRON_MASK); +} + +static void imx_hdmi_phy_sel_data_en_pol(struct imx_hdmi *hdmi, u8 enable) +{ +	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, +			 HDMI_PHY_CONF0_SELDATAENPOL_OFFSET, +			 HDMI_PHY_CONF0_SELDATAENPOL_MASK); +} + +static void imx_hdmi_phy_sel_interface_control(struct imx_hdmi *hdmi, u8 enable) +{ +	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, +			 HDMI_PHY_CONF0_SELDIPIF_OFFSET, +			 HDMI_PHY_CONF0_SELDIPIF_MASK); +} + +enum { +	RES_8, +	RES_10, +	RES_12, +	RES_MAX, +}; + +struct mpll_config { +	unsigned long mpixelclock; +	struct { +		u16 cpce; +		u16 gmp; +	} res[RES_MAX]; +}; + +static const struct mpll_config mpll_config[] = { +	{ +		45250000, { +			{ 0x01e0, 0x0000 }, +			{ 0x21e1, 0x0000 }, +			{ 0x41e2, 0x0000 } +		}, +	}, { +		92500000, { +			{ 0x0140, 0x0005 }, +			{ 0x2141, 0x0005 }, +			{ 0x4142, 0x0005 }, +		}, +	}, { +		148500000, { +			{ 0x00a0, 0x000a }, +			{ 0x20a1, 0x000a }, +			{ 0x40a2, 0x000a }, +		}, +	}, { +		~0UL, { +			{ 0x00a0, 0x000a }, +			{ 0x2001, 0x000f }, +			{ 0x4002, 0x000f }, +		}, +	} +}; + +struct curr_ctrl { +	unsigned long mpixelclock; +	u16 curr[RES_MAX]; +}; + +static const struct curr_ctrl curr_ctrl[] = { +	/*	pixelclk     bpp8    bpp10   bpp12 */ +	{ +		 54000000, { 0x091c, 0x091c, 0x06dc }, +	}, { +		 58400000, { 0x091c, 0x06dc, 0x06dc }, +	}, { +		 72000000, { 0x06dc, 0x06dc, 0x091c }, +	}, { +		 74250000, { 0x06dc, 0x0b5c, 0x091c }, +	}, { +		118800000, { 0x091c, 0x091c, 0x06dc }, +	}, { +		216000000, { 0x06dc, 0x0b5c, 0x091c }, +	} +}; + +static int hdmi_phy_configure(struct imx_hdmi *hdmi, unsigned char prep, +			      unsigned char res, int cscon) +{ +	unsigned res_idx, i; +	u8 val, msec; + +	if (prep) +		return -EINVAL; + +	switch (res) { +	case 0:	/* color resolution 0 is 8 bit colour depth */ +	case 8: +		res_idx = RES_8; +		break; +	case 10: +		res_idx = RES_10; +		break; +	case 12: +		res_idx = RES_12; +		break; +	default: +		return -EINVAL; +	} + +	/* Enable csc path */ +	if (cscon) +		val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH; +	else +		val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS; + +	hdmi_writeb(hdmi, val, HDMI_MC_FLOWCTRL); + +	/* gen2 tx power off */ +	imx_hdmi_phy_gen2_txpwron(hdmi, 0); + +	/* gen2 pddq */ +	imx_hdmi_phy_gen2_pddq(hdmi, 1); + +	/* PHY reset */ +	hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_DEASSERT, HDMI_MC_PHYRSTZ); +	hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_ASSERT, HDMI_MC_PHYRSTZ); + +	hdmi_writeb(hdmi, HDMI_MC_HEACPHY_RST_ASSERT, HDMI_MC_HEACPHY_RST); + +	hdmi_phy_test_clear(hdmi, 1); +	hdmi_writeb(hdmi, HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2, +			HDMI_PHY_I2CM_SLAVE_ADDR); +	hdmi_phy_test_clear(hdmi, 0); + +	/* PLL/MPLL Cfg - always match on final entry */ +	for (i = 0; i < ARRAY_SIZE(mpll_config) - 1; i++) +		if (hdmi->hdmi_data.video_mode.mpixelclock <= +		    mpll_config[i].mpixelclock) +			break; + +	hdmi_phy_i2c_write(hdmi, mpll_config[i].res[res_idx].cpce, 0x06); +	hdmi_phy_i2c_write(hdmi, mpll_config[i].res[res_idx].gmp, 0x15); + +	for (i = 0; i < ARRAY_SIZE(curr_ctrl); i++) +		if (hdmi->hdmi_data.video_mode.mpixelclock <= +		    curr_ctrl[i].mpixelclock) +			break; + +	if (i >= ARRAY_SIZE(curr_ctrl)) { +		dev_err(hdmi->dev, +				"Pixel clock %d - unsupported by HDMI\n", +				hdmi->hdmi_data.video_mode.mpixelclock); +		return -EINVAL; +	} + +	/* CURRCTRL */ +	hdmi_phy_i2c_write(hdmi, curr_ctrl[i].curr[res_idx], 0x10); + +	hdmi_phy_i2c_write(hdmi, 0x0000, 0x13);  /* PLLPHBYCTRL */ +	hdmi_phy_i2c_write(hdmi, 0x0006, 0x17); +	/* RESISTANCE TERM 133Ohm Cfg */ +	hdmi_phy_i2c_write(hdmi, 0x0005, 0x19);  /* TXTERM */ +	/* PREEMP Cgf 0.00 */ +	hdmi_phy_i2c_write(hdmi, 0x800d, 0x09);  /* CKSYMTXCTRL */ +	/* TX/CK LVL 10 */ +	hdmi_phy_i2c_write(hdmi, 0x01ad, 0x0E);  /* VLEVCTRL */ +	/* REMOVE CLK TERM */ +	hdmi_phy_i2c_write(hdmi, 0x8000, 0x05);  /* CKCALCTRL */ + +	imx_hdmi_phy_enable_power(hdmi, 1); + +	/* toggle TMDS enable */ +	imx_hdmi_phy_enable_tmds(hdmi, 0); +	imx_hdmi_phy_enable_tmds(hdmi, 1); + +	/* gen2 tx power on */ +	imx_hdmi_phy_gen2_txpwron(hdmi, 1); +	imx_hdmi_phy_gen2_pddq(hdmi, 0); + +	/*Wait for PHY PLL lock */ +	msec = 5; +	do { +		val = hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_TX_PHY_LOCK; +		if (!val) +			break; + +		if (msec == 0) { +			dev_err(hdmi->dev, "PHY PLL not locked\n"); +			return -ETIMEDOUT; +		} + +		udelay(1000); +		msec--; +	} while (1); + +	return 0; +} + +static int imx_hdmi_phy_init(struct imx_hdmi *hdmi) +{ +	int i, ret; +	bool cscon = false; + +	/*check csc whether needed activated in HDMI mode */ +	cscon = (is_color_space_conversion(hdmi) && +			!hdmi->hdmi_data.video_mode.mdvi); + +	/* HDMI Phy spec says to do the phy initialization sequence twice */ +	for (i = 0; i < 2; i++) { +		imx_hdmi_phy_sel_data_en_pol(hdmi, 1); +		imx_hdmi_phy_sel_interface_control(hdmi, 0); +		imx_hdmi_phy_enable_tmds(hdmi, 0); +		imx_hdmi_phy_enable_power(hdmi, 0); + +		/* Enable CSC */ +		ret = hdmi_phy_configure(hdmi, 0, 8, cscon); +		if (ret) +			return ret; +	} + +	hdmi->phy_enabled = true; +	return 0; +} + +static void hdmi_tx_hdcp_config(struct imx_hdmi *hdmi) +{ +	u8 de; + +	if (hdmi->hdmi_data.video_mode.mdataenablepolarity) +		de = HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_HIGH; +	else +		de = HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_LOW; + +	/* disable rx detect */ +	hdmi_modb(hdmi, HDMI_A_HDCPCFG0_RXDETECT_DISABLE, +		  HDMI_A_HDCPCFG0_RXDETECT_MASK, HDMI_A_HDCPCFG0); + +	hdmi_modb(hdmi, de, HDMI_A_VIDPOLCFG_DATAENPOL_MASK, HDMI_A_VIDPOLCFG); + +	hdmi_modb(hdmi, HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_DISABLE, +		  HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK, HDMI_A_HDCPCFG1); +} + +static void hdmi_config_AVI(struct imx_hdmi *hdmi) +{ +	u8 val, pix_fmt, under_scan; +	u8 act_ratio, coded_ratio, colorimetry, ext_colorimetry; +	bool aspect_16_9; + +	aspect_16_9 = false; /* FIXME */ + +	/* AVI Data Byte 1 */ +	if (hdmi->hdmi_data.enc_out_format == YCBCR444) +		pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR444; +	else if (hdmi->hdmi_data.enc_out_format == YCBCR422_8BITS) +		pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR422; +	else +		pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_RGB; + +		under_scan =  HDMI_FC_AVICONF0_SCAN_INFO_NODATA; + +	/* +	 * Active format identification data is present in the AVI InfoFrame. +	 * Under scan info, no bar data +	 */ +	val = pix_fmt | under_scan | +		HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT | +		HDMI_FC_AVICONF0_BAR_DATA_NO_DATA; + +	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF0); + +	/* AVI Data Byte 2 -Set the Aspect Ratio */ +	if (aspect_16_9) { +		act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_16_9; +		coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_16_9; +	} else { +		act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_4_3; +		coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_4_3; +	} + +	/* Set up colorimetry */ +	if (hdmi->hdmi_data.enc_out_format == XVYCC444) { +		colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO; +		if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601) +			ext_colorimetry = +				HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; +		else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/ +			ext_colorimetry = +				HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709; +	} else if (hdmi->hdmi_data.enc_out_format != RGB) { +		if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601) +			colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_SMPTE; +		else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/ +			colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_ITUR; +		ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; +	} else { /* Carries no data */ +		colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_NO_DATA; +		ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; +	} + +	val = colorimetry | coded_ratio | act_ratio; +	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF1); + +	/* AVI Data Byte 3 */ +	val = HDMI_FC_AVICONF2_IT_CONTENT_NO_DATA | ext_colorimetry | +		HDMI_FC_AVICONF2_RGB_QUANT_DEFAULT | +		HDMI_FC_AVICONF2_SCALING_NONE; +	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF2); + +	/* AVI Data Byte 4 */ +	hdmi_writeb(hdmi, hdmi->vic, HDMI_FC_AVIVID); + +	/* AVI Data Byte 5- set up input and output pixel repetition */ +	val = (((hdmi->hdmi_data.video_mode.mpixelrepetitioninput + 1) << +		HDMI_FC_PRCONF_INCOMING_PR_FACTOR_OFFSET) & +		HDMI_FC_PRCONF_INCOMING_PR_FACTOR_MASK) | +		((hdmi->hdmi_data.video_mode.mpixelrepetitionoutput << +		HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_OFFSET) & +		HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_MASK); +	hdmi_writeb(hdmi, val, HDMI_FC_PRCONF); + +	/* IT Content and quantization range = don't care */ +	val = HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GRAPHICS | +		HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED; +	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF3); + +	/* AVI Data Bytes 6-13 */ +	hdmi_writeb(hdmi, 0, HDMI_FC_AVIETB0); +	hdmi_writeb(hdmi, 0, HDMI_FC_AVIETB1); +	hdmi_writeb(hdmi, 0, HDMI_FC_AVISBB0); +	hdmi_writeb(hdmi, 0, HDMI_FC_AVISBB1); +	hdmi_writeb(hdmi, 0, HDMI_FC_AVIELB0); +	hdmi_writeb(hdmi, 0, HDMI_FC_AVIELB1); +	hdmi_writeb(hdmi, 0, HDMI_FC_AVISRB0); +	hdmi_writeb(hdmi, 0, HDMI_FC_AVISRB1); +} + +static void hdmi_av_composer(struct imx_hdmi *hdmi, +			     const struct drm_display_mode *mode) +{ +	u8 inv_val; +	struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode; +	int hblank, vblank, h_de_hs, v_de_vs, hsync_len, vsync_len; + +	vmode->mhsyncpolarity = !!(mode->flags & DRM_MODE_FLAG_PHSYNC); +	vmode->mvsyncpolarity = !!(mode->flags & DRM_MODE_FLAG_PVSYNC); +	vmode->minterlaced = !!(mode->flags & DRM_MODE_FLAG_INTERLACE); +	vmode->mpixelclock = mode->clock * 1000; + +	dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock); + +	/* Set up HDMI_FC_INVIDCONF */ +	inv_val = (hdmi->hdmi_data.hdcp_enable ? +		HDMI_FC_INVIDCONF_HDCP_KEEPOUT_ACTIVE : +		HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE); + +	inv_val |= (vmode->mvsyncpolarity ? +		HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH : +		HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW); + +	inv_val |= (vmode->mhsyncpolarity ? +		HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH : +		HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW); + +	inv_val |= (vmode->mdataenablepolarity ? +		HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH : +		HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW); + +	if (hdmi->vic == 39) +		inv_val |= HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH; +	else +		inv_val |= (vmode->minterlaced ? +			HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH : +			HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW); + +	inv_val |= (vmode->minterlaced ? +		HDMI_FC_INVIDCONF_IN_I_P_INTERLACED : +		HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE); + +	inv_val |= (vmode->mdvi ? +		HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE : +		HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE); + +	hdmi_writeb(hdmi, inv_val, HDMI_FC_INVIDCONF); + +	/* Set up horizontal active pixel width */ +	hdmi_writeb(hdmi, mode->hdisplay >> 8, HDMI_FC_INHACTV1); +	hdmi_writeb(hdmi, mode->hdisplay, HDMI_FC_INHACTV0); + +	/* Set up vertical active lines */ +	hdmi_writeb(hdmi, mode->vdisplay >> 8, HDMI_FC_INVACTV1); +	hdmi_writeb(hdmi, mode->vdisplay, HDMI_FC_INVACTV0); + +	/* Set up horizontal blanking pixel region width */ +	hblank = mode->htotal - mode->hdisplay; +	hdmi_writeb(hdmi, hblank >> 8, HDMI_FC_INHBLANK1); +	hdmi_writeb(hdmi, hblank, HDMI_FC_INHBLANK0); + +	/* Set up vertical blanking pixel region width */ +	vblank = mode->vtotal - mode->vdisplay; +	hdmi_writeb(hdmi, vblank, HDMI_FC_INVBLANK); + +	/* Set up HSYNC active edge delay width (in pixel clks) */ +	h_de_hs = mode->hsync_start - mode->hdisplay; +	hdmi_writeb(hdmi, h_de_hs >> 8, HDMI_FC_HSYNCINDELAY1); +	hdmi_writeb(hdmi, h_de_hs, HDMI_FC_HSYNCINDELAY0); + +	/* Set up VSYNC active edge delay (in lines) */ +	v_de_vs = mode->vsync_start - mode->vdisplay; +	hdmi_writeb(hdmi, v_de_vs, HDMI_FC_VSYNCINDELAY); + +	/* Set up HSYNC active pulse width (in pixel clks) */ +	hsync_len = mode->hsync_end - mode->hsync_start; +	hdmi_writeb(hdmi, hsync_len >> 8, HDMI_FC_HSYNCINWIDTH1); +	hdmi_writeb(hdmi, hsync_len, HDMI_FC_HSYNCINWIDTH0); + +	/* Set up VSYNC active edge delay (in lines) */ +	vsync_len = mode->vsync_end - mode->vsync_start; +	hdmi_writeb(hdmi, vsync_len, HDMI_FC_VSYNCINWIDTH); +} + +static void imx_hdmi_phy_disable(struct imx_hdmi *hdmi) +{ +	if (!hdmi->phy_enabled) +		return; + +	imx_hdmi_phy_enable_tmds(hdmi, 0); +	imx_hdmi_phy_enable_power(hdmi, 0); + +	hdmi->phy_enabled = false; +} + +/* HDMI Initialization Step B.4 */ +static void imx_hdmi_enable_video_path(struct imx_hdmi *hdmi) +{ +	u8 clkdis; + +	/* control period minimum duration */ +	hdmi_writeb(hdmi, 12, HDMI_FC_CTRLDUR); +	hdmi_writeb(hdmi, 32, HDMI_FC_EXCTRLDUR); +	hdmi_writeb(hdmi, 1, HDMI_FC_EXCTRLSPAC); + +	/* Set to fill TMDS data channels */ +	hdmi_writeb(hdmi, 0x0B, HDMI_FC_CH0PREAM); +	hdmi_writeb(hdmi, 0x16, HDMI_FC_CH1PREAM); +	hdmi_writeb(hdmi, 0x21, HDMI_FC_CH2PREAM); + +	/* Enable pixel clock and tmds data path */ +	clkdis = 0x7F; +	clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE; +	hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); + +	clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE; +	hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); + +	/* Enable csc path */ +	if (is_color_space_conversion(hdmi)) { +		clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; +		hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); +	} +} + +static void hdmi_enable_audio_clk(struct imx_hdmi *hdmi) +{ +	hdmi_modb(hdmi, 0, HDMI_MC_CLKDIS_AUDCLK_DISABLE, HDMI_MC_CLKDIS); +} + +/* Workaround to clear the overflow condition */ +static void imx_hdmi_clear_overflow(struct imx_hdmi *hdmi) +{ +	int count; +	u8 val; + +	/* TMDS software reset */ +	hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ); + +	val = hdmi_readb(hdmi, HDMI_FC_INVIDCONF); +	if (hdmi->dev_type == IMX6DL_HDMI) { +		hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF); +		return; +	} + +	for (count = 0; count < 4; count++) +		hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF); +} + +static void hdmi_enable_overflow_interrupts(struct imx_hdmi *hdmi) +{ +	hdmi_writeb(hdmi, 0, HDMI_FC_MASK2); +	hdmi_writeb(hdmi, 0, HDMI_IH_MUTE_FC_STAT2); +} + +static void hdmi_disable_overflow_interrupts(struct imx_hdmi *hdmi) +{ +	hdmi_writeb(hdmi, HDMI_IH_MUTE_FC_STAT2_OVERFLOW_MASK, +		    HDMI_IH_MUTE_FC_STAT2); +} + +static int imx_hdmi_setup(struct imx_hdmi *hdmi, struct drm_display_mode *mode) +{ +	int ret; + +	hdmi_disable_overflow_interrupts(hdmi); + +	hdmi->vic = drm_match_cea_mode(mode); + +	if (!hdmi->vic) { +		dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n"); +		hdmi->hdmi_data.video_mode.mdvi = true; +	} else { +		dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic); +		hdmi->hdmi_data.video_mode.mdvi = false; +	} + +	if ((hdmi->vic == 6) || (hdmi->vic == 7) || +		(hdmi->vic == 21) || (hdmi->vic == 22) || +		(hdmi->vic == 2) || (hdmi->vic == 3) || +		(hdmi->vic == 17) || (hdmi->vic == 18)) +		hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601; +	else +		hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709; + +	if ((hdmi->vic == 10) || (hdmi->vic == 11) || +		(hdmi->vic == 12) || (hdmi->vic == 13) || +		(hdmi->vic == 14) || (hdmi->vic == 15) || +		(hdmi->vic == 25) || (hdmi->vic == 26) || +		(hdmi->vic == 27) || (hdmi->vic == 28) || +		(hdmi->vic == 29) || (hdmi->vic == 30) || +		(hdmi->vic == 35) || (hdmi->vic == 36) || +		(hdmi->vic == 37) || (hdmi->vic == 38)) +		hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 1; +	else +		hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0; + +	hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0; + +	/* TODO: Get input format from IPU (via FB driver interface) */ +	hdmi->hdmi_data.enc_in_format = RGB; + +	hdmi->hdmi_data.enc_out_format = RGB; + +	hdmi->hdmi_data.enc_color_depth = 8; +	hdmi->hdmi_data.pix_repet_factor = 0; +	hdmi->hdmi_data.hdcp_enable = 0; +	hdmi->hdmi_data.video_mode.mdataenablepolarity = true; + +	/* HDMI Initialization Step B.1 */ +	hdmi_av_composer(hdmi, mode); + +	/* HDMI Initializateion Step B.2 */ +	ret = imx_hdmi_phy_init(hdmi); +	if (ret) +		return ret; + +	/* HDMI Initialization Step B.3 */ +	imx_hdmi_enable_video_path(hdmi); + +	/* not for DVI mode */ +	if (hdmi->hdmi_data.video_mode.mdvi) +		dev_dbg(hdmi->dev, "%s DVI mode\n", __func__); +	else { +		dev_dbg(hdmi->dev, "%s CEA mode\n", __func__); + +		/* HDMI Initialization Step E - Configure audio */ +		hdmi_clk_regenerator_update_pixel_clock(hdmi); +		hdmi_enable_audio_clk(hdmi); + +		/* HDMI Initialization Step F - Configure AVI InfoFrame */ +		hdmi_config_AVI(hdmi); +	} + +	hdmi_video_packetize(hdmi); +	hdmi_video_csc(hdmi); +	hdmi_video_sample(hdmi); +	hdmi_tx_hdcp_config(hdmi); + +	imx_hdmi_clear_overflow(hdmi); +	if (hdmi->cable_plugin && !hdmi->hdmi_data.video_mode.mdvi) +		hdmi_enable_overflow_interrupts(hdmi); + +	return 0; +} + +/* Wait until we are registered to enable interrupts */ +static int imx_hdmi_fb_registered(struct imx_hdmi *hdmi) +{ +	hdmi_writeb(hdmi, HDMI_PHY_I2CM_INT_ADDR_DONE_POL, +		    HDMI_PHY_I2CM_INT_ADDR); + +	hdmi_writeb(hdmi, HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL | +		    HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL, +		    HDMI_PHY_I2CM_CTLINT_ADDR); + +	/* enable cable hot plug irq */ +	hdmi_writeb(hdmi, (u8)~HDMI_PHY_HPD, HDMI_PHY_MASK0); + +	/* Clear Hotplug interrupts */ +	hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0); + +	return 0; +} + +static void initialize_hdmi_ih_mutes(struct imx_hdmi *hdmi) +{ +	u8 ih_mute; + +	/* +	 * Boot up defaults are: +	 * HDMI_IH_MUTE   = 0x03 (disabled) +	 * HDMI_IH_MUTE_* = 0x00 (enabled) +	 * +	 * Disable top level interrupt bits in HDMI block +	 */ +	ih_mute = hdmi_readb(hdmi, HDMI_IH_MUTE) | +		  HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT | +		  HDMI_IH_MUTE_MUTE_ALL_INTERRUPT; + +	hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE); + +	/* by default mask all interrupts */ +	hdmi_writeb(hdmi, 0xff, HDMI_VP_MASK); +	hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK0); +	hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK1); +	hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK2); +	hdmi_writeb(hdmi, 0xff, HDMI_PHY_MASK0); +	hdmi_writeb(hdmi, 0xff, HDMI_PHY_I2CM_INT_ADDR); +	hdmi_writeb(hdmi, 0xff, HDMI_PHY_I2CM_CTLINT_ADDR); +	hdmi_writeb(hdmi, 0xff, HDMI_AUD_INT); +	hdmi_writeb(hdmi, 0xff, HDMI_AUD_SPDIFINT); +	hdmi_writeb(hdmi, 0xff, HDMI_AUD_HBR_MASK); +	hdmi_writeb(hdmi, 0xff, HDMI_GP_MASK); +	hdmi_writeb(hdmi, 0xff, HDMI_A_APIINTMSK); +	hdmi_writeb(hdmi, 0xff, HDMI_CEC_MASK); +	hdmi_writeb(hdmi, 0xff, HDMI_I2CM_INT); +	hdmi_writeb(hdmi, 0xff, HDMI_I2CM_CTLINT); + +	/* Disable interrupts in the IH_MUTE_* registers */ +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT0); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT1); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT2); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_AS_STAT0); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_PHY_STAT0); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_I2CM_STAT0); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_CEC_STAT0); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_VP_STAT0); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_I2CMPHY_STAT0); +	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_AHBDMAAUD_STAT0); + +	/* Enable top level interrupt bits in HDMI block */ +	ih_mute &= ~(HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT | +		    HDMI_IH_MUTE_MUTE_ALL_INTERRUPT); +	hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE); +} + +static void imx_hdmi_poweron(struct imx_hdmi *hdmi) +{ +	imx_hdmi_setup(hdmi, &hdmi->previous_mode); +} + +static void imx_hdmi_poweroff(struct imx_hdmi *hdmi) +{ +	imx_hdmi_phy_disable(hdmi); +} + +static enum drm_connector_status imx_hdmi_connector_detect(struct drm_connector +							*connector, bool force) +{ +	struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, +					     connector); + +	return hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD ? +		connector_status_connected : connector_status_disconnected; +} + +static int imx_hdmi_connector_get_modes(struct drm_connector *connector) +{ +	struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, +					     connector); +	struct edid *edid; +	int ret; + +	if (!hdmi->ddc) +		return 0; + +	edid = drm_get_edid(connector, hdmi->ddc); +	if (edid) { +		dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n", +			edid->width_cm, edid->height_cm); + +		drm_mode_connector_update_edid_property(connector, edid); +		ret = drm_add_edid_modes(connector, edid); +		kfree(edid); +	} else { +		dev_dbg(hdmi->dev, "failed to get edid\n"); +	} + +	return 0; +} + +static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector +							   *connector) +{ +	struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, +					     connector); + +	return &hdmi->encoder; +} + +static void imx_hdmi_encoder_mode_set(struct drm_encoder *encoder, +			struct drm_display_mode *mode, +			struct drm_display_mode *adjusted_mode) +{ +	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder); + +	imx_hdmi_setup(hdmi, mode); + +	/* Store the display mode for plugin/DKMS poweron events */ +	memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode)); +} + +static bool imx_hdmi_encoder_mode_fixup(struct drm_encoder *encoder, +			const struct drm_display_mode *mode, +			struct drm_display_mode *adjusted_mode) +{ +	return true; +} + +static void imx_hdmi_encoder_disable(struct drm_encoder *encoder) +{ +} + +static void imx_hdmi_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder); + +	if (mode) +		imx_hdmi_poweroff(hdmi); +	else +		imx_hdmi_poweron(hdmi); +} + +static void imx_hdmi_encoder_prepare(struct drm_encoder *encoder) +{ +	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder); + +	imx_hdmi_poweroff(hdmi); +	imx_drm_panel_format(encoder, V4L2_PIX_FMT_RGB24); +} + +static void imx_hdmi_encoder_commit(struct drm_encoder *encoder) +{ +	struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder); +	int mux = imx_drm_encoder_get_mux_id(hdmi->dev->of_node, encoder); + +	imx_hdmi_set_ipu_di_mux(hdmi, mux); + +	imx_hdmi_poweron(hdmi); +} + +static struct drm_encoder_funcs imx_hdmi_encoder_funcs = { +	.destroy = imx_drm_encoder_destroy, +}; + +static struct drm_encoder_helper_funcs imx_hdmi_encoder_helper_funcs = { +	.dpms = imx_hdmi_encoder_dpms, +	.prepare = imx_hdmi_encoder_prepare, +	.commit = imx_hdmi_encoder_commit, +	.mode_set = imx_hdmi_encoder_mode_set, +	.mode_fixup = imx_hdmi_encoder_mode_fixup, +	.disable = imx_hdmi_encoder_disable, +}; + +static struct drm_connector_funcs imx_hdmi_connector_funcs = { +	.dpms = drm_helper_connector_dpms, +	.fill_modes = drm_helper_probe_single_connector_modes, +	.detect = imx_hdmi_connector_detect, +	.destroy = imx_drm_connector_destroy, +}; + +static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = { +	.get_modes = imx_hdmi_connector_get_modes, +	.best_encoder = imx_hdmi_connector_best_encoder, +}; + +static irqreturn_t imx_hdmi_hardirq(int irq, void *dev_id) +{ +	struct imx_hdmi *hdmi = dev_id; +	u8 intr_stat; + +	intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0); +	if (intr_stat) +		hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0); + +	return intr_stat ? IRQ_WAKE_THREAD : IRQ_NONE; +} + +static irqreturn_t imx_hdmi_irq(int irq, void *dev_id) +{ +	struct imx_hdmi *hdmi = dev_id; +	u8 intr_stat; +	u8 phy_int_pol; + +	intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0); + +	phy_int_pol = hdmi_readb(hdmi, HDMI_PHY_POL0); + +	if (intr_stat & HDMI_IH_PHY_STAT0_HPD) { +		if (phy_int_pol & HDMI_PHY_HPD) { +			dev_dbg(hdmi->dev, "EVENT=plugin\n"); + +			hdmi_modb(hdmi, 0, HDMI_PHY_HPD, HDMI_PHY_POL0); + +			imx_hdmi_poweron(hdmi); +		} else { +			dev_dbg(hdmi->dev, "EVENT=plugout\n"); + +			hdmi_modb(hdmi, HDMI_PHY_HPD, HDMI_PHY_HPD, +				HDMI_PHY_POL0); + +			imx_hdmi_poweroff(hdmi); +		} +		drm_helper_hpd_irq_event(hdmi->connector.dev); +	} + +	hdmi_writeb(hdmi, intr_stat, HDMI_IH_PHY_STAT0); +	hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0); + +	return IRQ_HANDLED; +} + +static int imx_hdmi_register(struct drm_device *drm, struct imx_hdmi *hdmi) +{ +	int ret; + +	ret = imx_drm_encoder_parse_of(drm, &hdmi->encoder, +				       hdmi->dev->of_node); +	if (ret) +		return ret; + +	hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; + +	drm_encoder_helper_add(&hdmi->encoder, &imx_hdmi_encoder_helper_funcs); +	drm_encoder_init(drm, &hdmi->encoder, &imx_hdmi_encoder_funcs, +			 DRM_MODE_ENCODER_TMDS); + +	drm_connector_helper_add(&hdmi->connector, +			&imx_hdmi_connector_helper_funcs); +	drm_connector_init(drm, &hdmi->connector, &imx_hdmi_connector_funcs, +			   DRM_MODE_CONNECTOR_HDMIA); + +	hdmi->connector.encoder = &hdmi->encoder; + +	drm_mode_connector_attach_encoder(&hdmi->connector, &hdmi->encoder); + +	return 0; +} + +static struct platform_device_id imx_hdmi_devtype[] = { +	{ +		.name = "imx6q-hdmi", +		.driver_data = IMX6Q_HDMI, +	}, { +		.name = "imx6dl-hdmi", +		.driver_data = IMX6DL_HDMI, +	}, { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, imx_hdmi_devtype); + +static const struct of_device_id imx_hdmi_dt_ids[] = { +{ .compatible = "fsl,imx6q-hdmi", .data = &imx_hdmi_devtype[IMX6Q_HDMI], }, +{ .compatible = "fsl,imx6dl-hdmi", .data = &imx_hdmi_devtype[IMX6DL_HDMI], }, +{ /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_hdmi_dt_ids); + +static int imx_hdmi_bind(struct device *dev, struct device *master, void *data) +{ +	struct platform_device *pdev = to_platform_device(dev); +	const struct of_device_id *of_id = +				of_match_device(imx_hdmi_dt_ids, dev); +	struct drm_device *drm = data; +	struct device_node *np = dev->of_node; +	struct device_node *ddc_node; +	struct imx_hdmi *hdmi; +	struct resource *iores; +	int ret, irq; + +	hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); +	if (!hdmi) +		return -ENOMEM; + +	hdmi->dev = dev; +	hdmi->sample_rate = 48000; +	hdmi->ratio = 100; + +	if (of_id) { +		const struct platform_device_id *device_id = of_id->data; + +		hdmi->dev_type = device_id->driver_data; +	} + +	ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); +	if (ddc_node) { +		hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node); +		if (!hdmi->ddc) +			dev_dbg(hdmi->dev, "failed to read ddc node\n"); + +		of_node_put(ddc_node); +	} else { +		dev_dbg(hdmi->dev, "no ddc property found\n"); +	} + +	irq = platform_get_irq(pdev, 0); +	if (irq < 0) +		return irq; + +	ret = devm_request_threaded_irq(dev, irq, imx_hdmi_hardirq, +					imx_hdmi_irq, IRQF_SHARED, +					dev_name(dev), hdmi); +	if (ret) +		return ret; + +	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); +	hdmi->regs = devm_ioremap_resource(dev, iores); +	if (IS_ERR(hdmi->regs)) +		return PTR_ERR(hdmi->regs); + +	hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "gpr"); +	if (IS_ERR(hdmi->regmap)) +		return PTR_ERR(hdmi->regmap); + +	hdmi->isfr_clk = devm_clk_get(hdmi->dev, "isfr"); +	if (IS_ERR(hdmi->isfr_clk)) { +		ret = PTR_ERR(hdmi->isfr_clk); +		dev_err(hdmi->dev, +			"Unable to get HDMI isfr clk: %d\n", ret); +		return ret; +	} + +	ret = clk_prepare_enable(hdmi->isfr_clk); +	if (ret) { +		dev_err(hdmi->dev, +			"Cannot enable HDMI isfr clock: %d\n", ret); +		return ret; +	} + +	hdmi->iahb_clk = devm_clk_get(hdmi->dev, "iahb"); +	if (IS_ERR(hdmi->iahb_clk)) { +		ret = PTR_ERR(hdmi->iahb_clk); +		dev_err(hdmi->dev, +			"Unable to get HDMI iahb clk: %d\n", ret); +		goto err_isfr; +	} + +	ret = clk_prepare_enable(hdmi->iahb_clk); +	if (ret) { +		dev_err(hdmi->dev, +			"Cannot enable HDMI iahb clock: %d\n", ret); +		goto err_isfr; +	} + +	/* Product and revision IDs */ +	dev_info(dev, +		"Detected HDMI controller 0x%x:0x%x:0x%x:0x%x\n", +		hdmi_readb(hdmi, HDMI_DESIGN_ID), +		hdmi_readb(hdmi, HDMI_REVISION_ID), +		hdmi_readb(hdmi, HDMI_PRODUCT_ID0), +		hdmi_readb(hdmi, HDMI_PRODUCT_ID1)); + +	initialize_hdmi_ih_mutes(hdmi); + +	/* +	 * To prevent overflows in HDMI_IH_FC_STAT2, set the clk regenerator +	 * N and cts values before enabling phy +	 */ +	hdmi_init_clk_regenerator(hdmi); + +	/* +	 * Configure registers related to HDMI interrupt +	 * generation before registering IRQ. +	 */ +	hdmi_writeb(hdmi, HDMI_PHY_HPD, HDMI_PHY_POL0); + +	/* Clear Hotplug interrupts */ +	hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0); + +	ret = imx_hdmi_fb_registered(hdmi); +	if (ret) +		goto err_iahb; + +	ret = imx_hdmi_register(drm, hdmi); +	if (ret) +		goto err_iahb; + +	/* Unmute interrupts */ +	hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0); + +	dev_set_drvdata(dev, hdmi); + +	return 0; + +err_iahb: +	clk_disable_unprepare(hdmi->iahb_clk); +err_isfr: +	clk_disable_unprepare(hdmi->isfr_clk); + +	return ret; +} + +static void imx_hdmi_unbind(struct device *dev, struct device *master, +	void *data) +{ +	struct imx_hdmi *hdmi = dev_get_drvdata(dev); + +	/* Disable all interrupts */ +	hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0); + +	hdmi->connector.funcs->destroy(&hdmi->connector); +	hdmi->encoder.funcs->destroy(&hdmi->encoder); + +	clk_disable_unprepare(hdmi->iahb_clk); +	clk_disable_unprepare(hdmi->isfr_clk); +	i2c_put_adapter(hdmi->ddc); +} + +static const struct component_ops hdmi_ops = { +	.bind	= imx_hdmi_bind, +	.unbind	= imx_hdmi_unbind, +}; + +static int imx_hdmi_platform_probe(struct platform_device *pdev) +{ +	return component_add(&pdev->dev, &hdmi_ops); +} + +static int imx_hdmi_platform_remove(struct platform_device *pdev) +{ +	component_del(&pdev->dev, &hdmi_ops); +	return 0; +} + +static struct platform_driver imx_hdmi_driver = { +	.probe  = imx_hdmi_platform_probe, +	.remove = imx_hdmi_platform_remove, +	.driver = { +		.name = "imx-hdmi", +		.owner = THIS_MODULE, +		.of_match_table = imx_hdmi_dt_ids, +	}, +}; + +module_platform_driver(imx_hdmi_driver); + +MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); +MODULE_DESCRIPTION("i.MX6 HDMI transmitter driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx-hdmi"); diff --git a/drivers/staging/imx-drm/imx-hdmi.h b/drivers/staging/imx-drm/imx-hdmi.h new file mode 100644 index 00000000000..39b677689db --- /dev/null +++ b/drivers/staging/imx-drm/imx-hdmi.h @@ -0,0 +1,1032 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __IMX_HDMI_H__ +#define __IMX_HDMI_H__ + +/* Identification Registers */ +#define HDMI_DESIGN_ID                          0x0000 +#define HDMI_REVISION_ID                        0x0001 +#define HDMI_PRODUCT_ID0                        0x0002 +#define HDMI_PRODUCT_ID1                        0x0003 +#define HDMI_CONFIG0_ID                         0x0004 +#define HDMI_CONFIG1_ID                         0x0005 +#define HDMI_CONFIG2_ID                         0x0006 +#define HDMI_CONFIG3_ID                         0x0007 + +/* Interrupt Registers */ +#define HDMI_IH_FC_STAT0                        0x0100 +#define HDMI_IH_FC_STAT1                        0x0101 +#define HDMI_IH_FC_STAT2                        0x0102 +#define HDMI_IH_AS_STAT0                        0x0103 +#define HDMI_IH_PHY_STAT0                       0x0104 +#define HDMI_IH_I2CM_STAT0                      0x0105 +#define HDMI_IH_CEC_STAT0                       0x0106 +#define HDMI_IH_VP_STAT0                        0x0107 +#define HDMI_IH_I2CMPHY_STAT0                   0x0108 +#define HDMI_IH_AHBDMAAUD_STAT0                 0x0109 + +#define HDMI_IH_MUTE_FC_STAT0                   0x0180 +#define HDMI_IH_MUTE_FC_STAT1                   0x0181 +#define HDMI_IH_MUTE_FC_STAT2                   0x0182 +#define HDMI_IH_MUTE_AS_STAT0                   0x0183 +#define HDMI_IH_MUTE_PHY_STAT0                  0x0184 +#define HDMI_IH_MUTE_I2CM_STAT0                 0x0185 +#define HDMI_IH_MUTE_CEC_STAT0                  0x0186 +#define HDMI_IH_MUTE_VP_STAT0                   0x0187 +#define HDMI_IH_MUTE_I2CMPHY_STAT0              0x0188 +#define HDMI_IH_MUTE_AHBDMAAUD_STAT0            0x0189 +#define HDMI_IH_MUTE                            0x01FF + +/* Video Sample Registers */ +#define HDMI_TX_INVID0                          0x0200 +#define HDMI_TX_INSTUFFING                      0x0201 +#define HDMI_TX_GYDATA0                         0x0202 +#define HDMI_TX_GYDATA1                         0x0203 +#define HDMI_TX_RCRDATA0                        0x0204 +#define HDMI_TX_RCRDATA1                        0x0205 +#define HDMI_TX_BCBDATA0                        0x0206 +#define HDMI_TX_BCBDATA1                        0x0207 + +/* Video Packetizer Registers */ +#define HDMI_VP_STATUS                          0x0800 +#define HDMI_VP_PR_CD                           0x0801 +#define HDMI_VP_STUFF                           0x0802 +#define HDMI_VP_REMAP                           0x0803 +#define HDMI_VP_CONF                            0x0804 +#define HDMI_VP_STAT                            0x0805 +#define HDMI_VP_INT                             0x0806 +#define HDMI_VP_MASK                            0x0807 +#define HDMI_VP_POL                             0x0808 + +/* Frame Composer Registers */ +#define HDMI_FC_INVIDCONF                       0x1000 +#define HDMI_FC_INHACTV0                        0x1001 +#define HDMI_FC_INHACTV1                        0x1002 +#define HDMI_FC_INHBLANK0                       0x1003 +#define HDMI_FC_INHBLANK1                       0x1004 +#define HDMI_FC_INVACTV0                        0x1005 +#define HDMI_FC_INVACTV1                        0x1006 +#define HDMI_FC_INVBLANK                        0x1007 +#define HDMI_FC_HSYNCINDELAY0                   0x1008 +#define HDMI_FC_HSYNCINDELAY1                   0x1009 +#define HDMI_FC_HSYNCINWIDTH0                   0x100A +#define HDMI_FC_HSYNCINWIDTH1                   0x100B +#define HDMI_FC_VSYNCINDELAY                    0x100C +#define HDMI_FC_VSYNCINWIDTH                    0x100D +#define HDMI_FC_INFREQ0                         0x100E +#define HDMI_FC_INFREQ1                         0x100F +#define HDMI_FC_INFREQ2                         0x1010 +#define HDMI_FC_CTRLDUR                         0x1011 +#define HDMI_FC_EXCTRLDUR                       0x1012 +#define HDMI_FC_EXCTRLSPAC                      0x1013 +#define HDMI_FC_CH0PREAM                        0x1014 +#define HDMI_FC_CH1PREAM                        0x1015 +#define HDMI_FC_CH2PREAM                        0x1016 +#define HDMI_FC_AVICONF3                        0x1017 +#define HDMI_FC_GCP                             0x1018 +#define HDMI_FC_AVICONF0                        0x1019 +#define HDMI_FC_AVICONF1                        0x101A +#define HDMI_FC_AVICONF2                        0x101B +#define HDMI_FC_AVIVID                          0x101C +#define HDMI_FC_AVIETB0                         0x101D +#define HDMI_FC_AVIETB1                         0x101E +#define HDMI_FC_AVISBB0                         0x101F +#define HDMI_FC_AVISBB1                         0x1020 +#define HDMI_FC_AVIELB0                         0x1021 +#define HDMI_FC_AVIELB1                         0x1022 +#define HDMI_FC_AVISRB0                         0x1023 +#define HDMI_FC_AVISRB1                         0x1024 +#define HDMI_FC_AUDICONF0                       0x1025 +#define HDMI_FC_AUDICONF1                       0x1026 +#define HDMI_FC_AUDICONF2                       0x1027 +#define HDMI_FC_AUDICONF3                       0x1028 +#define HDMI_FC_VSDIEEEID0                      0x1029 +#define HDMI_FC_VSDSIZE                         0x102A +#define HDMI_FC_VSDIEEEID1                      0x1030 +#define HDMI_FC_VSDIEEEID2                      0x1031 +#define HDMI_FC_VSDPAYLOAD0                     0x1032 +#define HDMI_FC_VSDPAYLOAD1                     0x1033 +#define HDMI_FC_VSDPAYLOAD2                     0x1034 +#define HDMI_FC_VSDPAYLOAD3                     0x1035 +#define HDMI_FC_VSDPAYLOAD4                     0x1036 +#define HDMI_FC_VSDPAYLOAD5                     0x1037 +#define HDMI_FC_VSDPAYLOAD6                     0x1038 +#define HDMI_FC_VSDPAYLOAD7                     0x1039 +#define HDMI_FC_VSDPAYLOAD8                     0x103A +#define HDMI_FC_VSDPAYLOAD9                     0x103B +#define HDMI_FC_VSDPAYLOAD10                    0x103C +#define HDMI_FC_VSDPAYLOAD11                    0x103D +#define HDMI_FC_VSDPAYLOAD12                    0x103E +#define HDMI_FC_VSDPAYLOAD13                    0x103F +#define HDMI_FC_VSDPAYLOAD14                    0x1040 +#define HDMI_FC_VSDPAYLOAD15                    0x1041 +#define HDMI_FC_VSDPAYLOAD16                    0x1042 +#define HDMI_FC_VSDPAYLOAD17                    0x1043 +#define HDMI_FC_VSDPAYLOAD18                    0x1044 +#define HDMI_FC_VSDPAYLOAD19                    0x1045 +#define HDMI_FC_VSDPAYLOAD20                    0x1046 +#define HDMI_FC_VSDPAYLOAD21                    0x1047 +#define HDMI_FC_VSDPAYLOAD22                    0x1048 +#define HDMI_FC_VSDPAYLOAD23                    0x1049 +#define HDMI_FC_SPDVENDORNAME0                  0x104A +#define HDMI_FC_SPDVENDORNAME1                  0x104B +#define HDMI_FC_SPDVENDORNAME2                  0x104C +#define HDMI_FC_SPDVENDORNAME3                  0x104D +#define HDMI_FC_SPDVENDORNAME4                  0x104E +#define HDMI_FC_SPDVENDORNAME5                  0x104F +#define HDMI_FC_SPDVENDORNAME6                  0x1050 +#define HDMI_FC_SPDVENDORNAME7                  0x1051 +#define HDMI_FC_SDPPRODUCTNAME0                 0x1052 +#define HDMI_FC_SDPPRODUCTNAME1                 0x1053 +#define HDMI_FC_SDPPRODUCTNAME2                 0x1054 +#define HDMI_FC_SDPPRODUCTNAME3                 0x1055 +#define HDMI_FC_SDPPRODUCTNAME4                 0x1056 +#define HDMI_FC_SDPPRODUCTNAME5                 0x1057 +#define HDMI_FC_SDPPRODUCTNAME6                 0x1058 +#define HDMI_FC_SDPPRODUCTNAME7                 0x1059 +#define HDMI_FC_SDPPRODUCTNAME8                 0x105A +#define HDMI_FC_SDPPRODUCTNAME9                 0x105B +#define HDMI_FC_SDPPRODUCTNAME10                0x105C +#define HDMI_FC_SDPPRODUCTNAME11                0x105D +#define HDMI_FC_SDPPRODUCTNAME12                0x105E +#define HDMI_FC_SDPPRODUCTNAME13                0x105F +#define HDMI_FC_SDPPRODUCTNAME14                0x1060 +#define HDMI_FC_SPDPRODUCTNAME15                0x1061 +#define HDMI_FC_SPDDEVICEINF                    0x1062 +#define HDMI_FC_AUDSCONF                        0x1063 +#define HDMI_FC_AUDSSTAT                        0x1064 +#define HDMI_FC_DATACH0FILL                     0x1070 +#define HDMI_FC_DATACH1FILL                     0x1071 +#define HDMI_FC_DATACH2FILL                     0x1072 +#define HDMI_FC_CTRLQHIGH                       0x1073 +#define HDMI_FC_CTRLQLOW                        0x1074 +#define HDMI_FC_ACP0                            0x1075 +#define HDMI_FC_ACP28                           0x1076 +#define HDMI_FC_ACP27                           0x1077 +#define HDMI_FC_ACP26                           0x1078 +#define HDMI_FC_ACP25                           0x1079 +#define HDMI_FC_ACP24                           0x107A +#define HDMI_FC_ACP23                           0x107B +#define HDMI_FC_ACP22                           0x107C +#define HDMI_FC_ACP21                           0x107D +#define HDMI_FC_ACP20                           0x107E +#define HDMI_FC_ACP19                           0x107F +#define HDMI_FC_ACP18                           0x1080 +#define HDMI_FC_ACP17                           0x1081 +#define HDMI_FC_ACP16                           0x1082 +#define HDMI_FC_ACP15                           0x1083 +#define HDMI_FC_ACP14                           0x1084 +#define HDMI_FC_ACP13                           0x1085 +#define HDMI_FC_ACP12                           0x1086 +#define HDMI_FC_ACP11                           0x1087 +#define HDMI_FC_ACP10                           0x1088 +#define HDMI_FC_ACP9                            0x1089 +#define HDMI_FC_ACP8                            0x108A +#define HDMI_FC_ACP7                            0x108B +#define HDMI_FC_ACP6                            0x108C +#define HDMI_FC_ACP5                            0x108D +#define HDMI_FC_ACP4                            0x108E +#define HDMI_FC_ACP3                            0x108F +#define HDMI_FC_ACP2                            0x1090 +#define HDMI_FC_ACP1                            0x1091 +#define HDMI_FC_ISCR1_0                         0x1092 +#define HDMI_FC_ISCR1_16                        0x1093 +#define HDMI_FC_ISCR1_15                        0x1094 +#define HDMI_FC_ISCR1_14                        0x1095 +#define HDMI_FC_ISCR1_13                        0x1096 +#define HDMI_FC_ISCR1_12                        0x1097 +#define HDMI_FC_ISCR1_11                        0x1098 +#define HDMI_FC_ISCR1_10                        0x1099 +#define HDMI_FC_ISCR1_9                         0x109A +#define HDMI_FC_ISCR1_8                         0x109B +#define HDMI_FC_ISCR1_7                         0x109C +#define HDMI_FC_ISCR1_6                         0x109D +#define HDMI_FC_ISCR1_5                         0x109E +#define HDMI_FC_ISCR1_4                         0x109F +#define HDMI_FC_ISCR1_3                         0x10A0 +#define HDMI_FC_ISCR1_2                         0x10A1 +#define HDMI_FC_ISCR1_1                         0x10A2 +#define HDMI_FC_ISCR2_15                        0x10A3 +#define HDMI_FC_ISCR2_14                        0x10A4 +#define HDMI_FC_ISCR2_13                        0x10A5 +#define HDMI_FC_ISCR2_12                        0x10A6 +#define HDMI_FC_ISCR2_11                        0x10A7 +#define HDMI_FC_ISCR2_10                        0x10A8 +#define HDMI_FC_ISCR2_9                         0x10A9 +#define HDMI_FC_ISCR2_8                         0x10AA +#define HDMI_FC_ISCR2_7                         0x10AB +#define HDMI_FC_ISCR2_6                         0x10AC +#define HDMI_FC_ISCR2_5                         0x10AD +#define HDMI_FC_ISCR2_4                         0x10AE +#define HDMI_FC_ISCR2_3                         0x10AF +#define HDMI_FC_ISCR2_2                         0x10B0 +#define HDMI_FC_ISCR2_1                         0x10B1 +#define HDMI_FC_ISCR2_0                         0x10B2 +#define HDMI_FC_DATAUTO0                        0x10B3 +#define HDMI_FC_DATAUTO1                        0x10B4 +#define HDMI_FC_DATAUTO2                        0x10B5 +#define HDMI_FC_DATMAN                          0x10B6 +#define HDMI_FC_DATAUTO3                        0x10B7 +#define HDMI_FC_RDRB0                           0x10B8 +#define HDMI_FC_RDRB1                           0x10B9 +#define HDMI_FC_RDRB2                           0x10BA +#define HDMI_FC_RDRB3                           0x10BB +#define HDMI_FC_RDRB4                           0x10BC +#define HDMI_FC_RDRB5                           0x10BD +#define HDMI_FC_RDRB6                           0x10BE +#define HDMI_FC_RDRB7                           0x10BF +#define HDMI_FC_STAT0                           0x10D0 +#define HDMI_FC_INT0                            0x10D1 +#define HDMI_FC_MASK0                           0x10D2 +#define HDMI_FC_POL0                            0x10D3 +#define HDMI_FC_STAT1                           0x10D4 +#define HDMI_FC_INT1                            0x10D5 +#define HDMI_FC_MASK1                           0x10D6 +#define HDMI_FC_POL1                            0x10D7 +#define HDMI_FC_STAT2                           0x10D8 +#define HDMI_FC_INT2                            0x10D9 +#define HDMI_FC_MASK2                           0x10DA +#define HDMI_FC_POL2                            0x10DB +#define HDMI_FC_PRCONF                          0x10E0 + +#define HDMI_FC_GMD_STAT                        0x1100 +#define HDMI_FC_GMD_EN                          0x1101 +#define HDMI_FC_GMD_UP                          0x1102 +#define HDMI_FC_GMD_CONF                        0x1103 +#define HDMI_FC_GMD_HB                          0x1104 +#define HDMI_FC_GMD_PB0                         0x1105 +#define HDMI_FC_GMD_PB1                         0x1106 +#define HDMI_FC_GMD_PB2                         0x1107 +#define HDMI_FC_GMD_PB3                         0x1108 +#define HDMI_FC_GMD_PB4                         0x1109 +#define HDMI_FC_GMD_PB5                         0x110A +#define HDMI_FC_GMD_PB6                         0x110B +#define HDMI_FC_GMD_PB7                         0x110C +#define HDMI_FC_GMD_PB8                         0x110D +#define HDMI_FC_GMD_PB9                         0x110E +#define HDMI_FC_GMD_PB10                        0x110F +#define HDMI_FC_GMD_PB11                        0x1110 +#define HDMI_FC_GMD_PB12                        0x1111 +#define HDMI_FC_GMD_PB13                        0x1112 +#define HDMI_FC_GMD_PB14                        0x1113 +#define HDMI_FC_GMD_PB15                        0x1114 +#define HDMI_FC_GMD_PB16                        0x1115 +#define HDMI_FC_GMD_PB17                        0x1116 +#define HDMI_FC_GMD_PB18                        0x1117 +#define HDMI_FC_GMD_PB19                        0x1118 +#define HDMI_FC_GMD_PB20                        0x1119 +#define HDMI_FC_GMD_PB21                        0x111A +#define HDMI_FC_GMD_PB22                        0x111B +#define HDMI_FC_GMD_PB23                        0x111C +#define HDMI_FC_GMD_PB24                        0x111D +#define HDMI_FC_GMD_PB25                        0x111E +#define HDMI_FC_GMD_PB26                        0x111F +#define HDMI_FC_GMD_PB27                        0x1120 + +#define HDMI_FC_DBGFORCE                        0x1200 +#define HDMI_FC_DBGAUD0CH0                      0x1201 +#define HDMI_FC_DBGAUD1CH0                      0x1202 +#define HDMI_FC_DBGAUD2CH0                      0x1203 +#define HDMI_FC_DBGAUD0CH1                      0x1204 +#define HDMI_FC_DBGAUD1CH1                      0x1205 +#define HDMI_FC_DBGAUD2CH1                      0x1206 +#define HDMI_FC_DBGAUD0CH2                      0x1207 +#define HDMI_FC_DBGAUD1CH2                      0x1208 +#define HDMI_FC_DBGAUD2CH2                      0x1209 +#define HDMI_FC_DBGAUD0CH3                      0x120A +#define HDMI_FC_DBGAUD1CH3                      0x120B +#define HDMI_FC_DBGAUD2CH3                      0x120C +#define HDMI_FC_DBGAUD0CH4                      0x120D +#define HDMI_FC_DBGAUD1CH4                      0x120E +#define HDMI_FC_DBGAUD2CH4                      0x120F +#define HDMI_FC_DBGAUD0CH5                      0x1210 +#define HDMI_FC_DBGAUD1CH5                      0x1211 +#define HDMI_FC_DBGAUD2CH5                      0x1212 +#define HDMI_FC_DBGAUD0CH6                      0x1213 +#define HDMI_FC_DBGAUD1CH6                      0x1214 +#define HDMI_FC_DBGAUD2CH6                      0x1215 +#define HDMI_FC_DBGAUD0CH7                      0x1216 +#define HDMI_FC_DBGAUD1CH7                      0x1217 +#define HDMI_FC_DBGAUD2CH7                      0x1218 +#define HDMI_FC_DBGTMDS0                        0x1219 +#define HDMI_FC_DBGTMDS1                        0x121A +#define HDMI_FC_DBGTMDS2                        0x121B + +/* HDMI Source PHY Registers */ +#define HDMI_PHY_CONF0                          0x3000 +#define HDMI_PHY_TST0                           0x3001 +#define HDMI_PHY_TST1                           0x3002 +#define HDMI_PHY_TST2                           0x3003 +#define HDMI_PHY_STAT0                          0x3004 +#define HDMI_PHY_INT0                           0x3005 +#define HDMI_PHY_MASK0                          0x3006 +#define HDMI_PHY_POL0                           0x3007 + +/* HDMI Master PHY Registers */ +#define HDMI_PHY_I2CM_SLAVE_ADDR                0x3020 +#define HDMI_PHY_I2CM_ADDRESS_ADDR              0x3021 +#define HDMI_PHY_I2CM_DATAO_1_ADDR              0x3022 +#define HDMI_PHY_I2CM_DATAO_0_ADDR              0x3023 +#define HDMI_PHY_I2CM_DATAI_1_ADDR              0x3024 +#define HDMI_PHY_I2CM_DATAI_0_ADDR              0x3025 +#define HDMI_PHY_I2CM_OPERATION_ADDR            0x3026 +#define HDMI_PHY_I2CM_INT_ADDR                  0x3027 +#define HDMI_PHY_I2CM_CTLINT_ADDR               0x3028 +#define HDMI_PHY_I2CM_DIV_ADDR                  0x3029 +#define HDMI_PHY_I2CM_SOFTRSTZ_ADDR             0x302a +#define HDMI_PHY_I2CM_SS_SCL_HCNT_1_ADDR        0x302b +#define HDMI_PHY_I2CM_SS_SCL_HCNT_0_ADDR        0x302c +#define HDMI_PHY_I2CM_SS_SCL_LCNT_1_ADDR        0x302d +#define HDMI_PHY_I2CM_SS_SCL_LCNT_0_ADDR        0x302e +#define HDMI_PHY_I2CM_FS_SCL_HCNT_1_ADDR        0x302f +#define HDMI_PHY_I2CM_FS_SCL_HCNT_0_ADDR        0x3030 +#define HDMI_PHY_I2CM_FS_SCL_LCNT_1_ADDR        0x3031 +#define HDMI_PHY_I2CM_FS_SCL_LCNT_0_ADDR        0x3032 + +/* Audio Sampler Registers */ +#define HDMI_AUD_CONF0                          0x3100 +#define HDMI_AUD_CONF1                          0x3101 +#define HDMI_AUD_INT                            0x3102 +#define HDMI_AUD_CONF2                          0x3103 +#define HDMI_AUD_N1                             0x3200 +#define HDMI_AUD_N2                             0x3201 +#define HDMI_AUD_N3                             0x3202 +#define HDMI_AUD_CTS1                           0x3203 +#define HDMI_AUD_CTS2                           0x3204 +#define HDMI_AUD_CTS3                           0x3205 +#define HDMI_AUD_INPUTCLKFS                     0x3206 +#define HDMI_AUD_SPDIFINT			0x3302 +#define HDMI_AUD_CONF0_HBR                      0x3400 +#define HDMI_AUD_HBR_STATUS                     0x3401 +#define HDMI_AUD_HBR_INT                        0x3402 +#define HDMI_AUD_HBR_POL                        0x3403 +#define HDMI_AUD_HBR_MASK                       0x3404 + +/* + * Generic Parallel Audio Interface Registers + * Not used as GPAUD interface is not enabled in hw + */ +#define HDMI_GP_CONF0                           0x3500 +#define HDMI_GP_CONF1                           0x3501 +#define HDMI_GP_CONF2                           0x3502 +#define HDMI_GP_STAT                            0x3503 +#define HDMI_GP_INT                             0x3504 +#define HDMI_GP_MASK                            0x3505 +#define HDMI_GP_POL                             0x3506 + +/* Audio DMA Registers */ +#define HDMI_AHB_DMA_CONF0                      0x3600 +#define HDMI_AHB_DMA_START                      0x3601 +#define HDMI_AHB_DMA_STOP                       0x3602 +#define HDMI_AHB_DMA_THRSLD                     0x3603 +#define HDMI_AHB_DMA_STRADDR0                   0x3604 +#define HDMI_AHB_DMA_STRADDR1                   0x3605 +#define HDMI_AHB_DMA_STRADDR2                   0x3606 +#define HDMI_AHB_DMA_STRADDR3                   0x3607 +#define HDMI_AHB_DMA_STPADDR0                   0x3608 +#define HDMI_AHB_DMA_STPADDR1                   0x3609 +#define HDMI_AHB_DMA_STPADDR2                   0x360a +#define HDMI_AHB_DMA_STPADDR3                   0x360b +#define HDMI_AHB_DMA_BSTADDR0                   0x360c +#define HDMI_AHB_DMA_BSTADDR1                   0x360d +#define HDMI_AHB_DMA_BSTADDR2                   0x360e +#define HDMI_AHB_DMA_BSTADDR3                   0x360f +#define HDMI_AHB_DMA_MBLENGTH0                  0x3610 +#define HDMI_AHB_DMA_MBLENGTH1                  0x3611 +#define HDMI_AHB_DMA_STAT                       0x3612 +#define HDMI_AHB_DMA_INT                        0x3613 +#define HDMI_AHB_DMA_MASK                       0x3614 +#define HDMI_AHB_DMA_POL                        0x3615 +#define HDMI_AHB_DMA_CONF1                      0x3616 +#define HDMI_AHB_DMA_BUFFSTAT                   0x3617 +#define HDMI_AHB_DMA_BUFFINT                    0x3618 +#define HDMI_AHB_DMA_BUFFMASK                   0x3619 +#define HDMI_AHB_DMA_BUFFPOL                    0x361a + +/* Main Controller Registers */ +#define HDMI_MC_SFRDIV                          0x4000 +#define HDMI_MC_CLKDIS                          0x4001 +#define HDMI_MC_SWRSTZ                          0x4002 +#define HDMI_MC_OPCTRL                          0x4003 +#define HDMI_MC_FLOWCTRL                        0x4004 +#define HDMI_MC_PHYRSTZ                         0x4005 +#define HDMI_MC_LOCKONCLOCK                     0x4006 +#define HDMI_MC_HEACPHY_RST                     0x4007 + +/* Color Space  Converter Registers */ +#define HDMI_CSC_CFG                            0x4100 +#define HDMI_CSC_SCALE                          0x4101 +#define HDMI_CSC_COEF_A1_MSB                    0x4102 +#define HDMI_CSC_COEF_A1_LSB                    0x4103 +#define HDMI_CSC_COEF_A2_MSB                    0x4104 +#define HDMI_CSC_COEF_A2_LSB                    0x4105 +#define HDMI_CSC_COEF_A3_MSB                    0x4106 +#define HDMI_CSC_COEF_A3_LSB                    0x4107 +#define HDMI_CSC_COEF_A4_MSB                    0x4108 +#define HDMI_CSC_COEF_A4_LSB                    0x4109 +#define HDMI_CSC_COEF_B1_MSB                    0x410A +#define HDMI_CSC_COEF_B1_LSB                    0x410B +#define HDMI_CSC_COEF_B2_MSB                    0x410C +#define HDMI_CSC_COEF_B2_LSB                    0x410D +#define HDMI_CSC_COEF_B3_MSB                    0x410E +#define HDMI_CSC_COEF_B3_LSB                    0x410F +#define HDMI_CSC_COEF_B4_MSB                    0x4110 +#define HDMI_CSC_COEF_B4_LSB                    0x4111 +#define HDMI_CSC_COEF_C1_MSB                    0x4112 +#define HDMI_CSC_COEF_C1_LSB                    0x4113 +#define HDMI_CSC_COEF_C2_MSB                    0x4114 +#define HDMI_CSC_COEF_C2_LSB                    0x4115 +#define HDMI_CSC_COEF_C3_MSB                    0x4116 +#define HDMI_CSC_COEF_C3_LSB                    0x4117 +#define HDMI_CSC_COEF_C4_MSB                    0x4118 +#define HDMI_CSC_COEF_C4_LSB                    0x4119 + +/* HDCP Encryption Engine Registers */ +#define HDMI_A_HDCPCFG0                         0x5000 +#define HDMI_A_HDCPCFG1                         0x5001 +#define HDMI_A_HDCPOBS0                         0x5002 +#define HDMI_A_HDCPOBS1                         0x5003 +#define HDMI_A_HDCPOBS2                         0x5004 +#define HDMI_A_HDCPOBS3                         0x5005 +#define HDMI_A_APIINTCLR                        0x5006 +#define HDMI_A_APIINTSTAT                       0x5007 +#define HDMI_A_APIINTMSK                        0x5008 +#define HDMI_A_VIDPOLCFG                        0x5009 +#define HDMI_A_OESSWCFG                         0x500A +#define HDMI_A_TIMER1SETUP0                     0x500B +#define HDMI_A_TIMER1SETUP1                     0x500C +#define HDMI_A_TIMER2SETUP0                     0x500D +#define HDMI_A_TIMER2SETUP1                     0x500E +#define HDMI_A_100MSCFG                         0x500F +#define HDMI_A_2SCFG0                           0x5010 +#define HDMI_A_2SCFG1                           0x5011 +#define HDMI_A_5SCFG0                           0x5012 +#define HDMI_A_5SCFG1                           0x5013 +#define HDMI_A_SRMVERLSB                        0x5014 +#define HDMI_A_SRMVERMSB                        0x5015 +#define HDMI_A_SRMCTRL                          0x5016 +#define HDMI_A_SFRSETUP                         0x5017 +#define HDMI_A_I2CHSETUP                        0x5018 +#define HDMI_A_INTSETUP                         0x5019 +#define HDMI_A_PRESETUP                         0x501A +#define HDMI_A_SRM_BASE                         0x5020 + +/* CEC Engine Registers */ +#define HDMI_CEC_CTRL                           0x7D00 +#define HDMI_CEC_STAT                           0x7D01 +#define HDMI_CEC_MASK                           0x7D02 +#define HDMI_CEC_POLARITY                       0x7D03 +#define HDMI_CEC_INT                            0x7D04 +#define HDMI_CEC_ADDR_L                         0x7D05 +#define HDMI_CEC_ADDR_H                         0x7D06 +#define HDMI_CEC_TX_CNT                         0x7D07 +#define HDMI_CEC_RX_CNT                         0x7D08 +#define HDMI_CEC_TX_DATA0                       0x7D10 +#define HDMI_CEC_TX_DATA1                       0x7D11 +#define HDMI_CEC_TX_DATA2                       0x7D12 +#define HDMI_CEC_TX_DATA3                       0x7D13 +#define HDMI_CEC_TX_DATA4                       0x7D14 +#define HDMI_CEC_TX_DATA5                       0x7D15 +#define HDMI_CEC_TX_DATA6                       0x7D16 +#define HDMI_CEC_TX_DATA7                       0x7D17 +#define HDMI_CEC_TX_DATA8                       0x7D18 +#define HDMI_CEC_TX_DATA9                       0x7D19 +#define HDMI_CEC_TX_DATA10                      0x7D1a +#define HDMI_CEC_TX_DATA11                      0x7D1b +#define HDMI_CEC_TX_DATA12                      0x7D1c +#define HDMI_CEC_TX_DATA13                      0x7D1d +#define HDMI_CEC_TX_DATA14                      0x7D1e +#define HDMI_CEC_TX_DATA15                      0x7D1f +#define HDMI_CEC_RX_DATA0                       0x7D20 +#define HDMI_CEC_RX_DATA1                       0x7D21 +#define HDMI_CEC_RX_DATA2                       0x7D22 +#define HDMI_CEC_RX_DATA3                       0x7D23 +#define HDMI_CEC_RX_DATA4                       0x7D24 +#define HDMI_CEC_RX_DATA5                       0x7D25 +#define HDMI_CEC_RX_DATA6                       0x7D26 +#define HDMI_CEC_RX_DATA7                       0x7D27 +#define HDMI_CEC_RX_DATA8                       0x7D28 +#define HDMI_CEC_RX_DATA9                       0x7D29 +#define HDMI_CEC_RX_DATA10                      0x7D2a +#define HDMI_CEC_RX_DATA11                      0x7D2b +#define HDMI_CEC_RX_DATA12                      0x7D2c +#define HDMI_CEC_RX_DATA13                      0x7D2d +#define HDMI_CEC_RX_DATA14                      0x7D2e +#define HDMI_CEC_RX_DATA15                      0x7D2f +#define HDMI_CEC_LOCK                           0x7D30 +#define HDMI_CEC_WKUPCTRL                       0x7D31 + +/* I2C Master Registers (E-DDC) */ +#define HDMI_I2CM_SLAVE                         0x7E00 +#define HDMI_I2CMESS                            0x7E01 +#define HDMI_I2CM_DATAO                         0x7E02 +#define HDMI_I2CM_DATAI                         0x7E03 +#define HDMI_I2CM_OPERATION                     0x7E04 +#define HDMI_I2CM_INT                           0x7E05 +#define HDMI_I2CM_CTLINT                        0x7E06 +#define HDMI_I2CM_DIV                           0x7E07 +#define HDMI_I2CM_SEGADDR                       0x7E08 +#define HDMI_I2CM_SOFTRSTZ                      0x7E09 +#define HDMI_I2CM_SEGPTR                        0x7E0A +#define HDMI_I2CM_SS_SCL_HCNT_1_ADDR            0x7E0B +#define HDMI_I2CM_SS_SCL_HCNT_0_ADDR            0x7E0C +#define HDMI_I2CM_SS_SCL_LCNT_1_ADDR            0x7E0D +#define HDMI_I2CM_SS_SCL_LCNT_0_ADDR            0x7E0E +#define HDMI_I2CM_FS_SCL_HCNT_1_ADDR            0x7E0F +#define HDMI_I2CM_FS_SCL_HCNT_0_ADDR            0x7E10 +#define HDMI_I2CM_FS_SCL_LCNT_1_ADDR            0x7E11 +#define HDMI_I2CM_FS_SCL_LCNT_0_ADDR            0x7E12 + +enum { +/* IH_FC_INT2 field values */ +	HDMI_IH_FC_INT2_OVERFLOW_MASK = 0x03, +	HDMI_IH_FC_INT2_LOW_PRIORITY_OVERFLOW = 0x02, +	HDMI_IH_FC_INT2_HIGH_PRIORITY_OVERFLOW = 0x01, + +/* IH_FC_STAT2 field values */ +	HDMI_IH_FC_STAT2_OVERFLOW_MASK = 0x03, +	HDMI_IH_FC_STAT2_LOW_PRIORITY_OVERFLOW = 0x02, +	HDMI_IH_FC_STAT2_HIGH_PRIORITY_OVERFLOW = 0x01, + +/* IH_PHY_STAT0 field values */ +	HDMI_IH_PHY_STAT0_RX_SENSE3 = 0x20, +	HDMI_IH_PHY_STAT0_RX_SENSE2 = 0x10, +	HDMI_IH_PHY_STAT0_RX_SENSE1 = 0x8, +	HDMI_IH_PHY_STAT0_RX_SENSE0 = 0x4, +	HDMI_IH_PHY_STAT0_TX_PHY_LOCK = 0x2, +	HDMI_IH_PHY_STAT0_HPD = 0x1, + +/* IH_MUTE_I2CMPHY_STAT0 field values */ +	HDMI_IH_MUTE_I2CMPHY_STAT0_I2CMPHYDONE = 0x2, +	HDMI_IH_MUTE_I2CMPHY_STAT0_I2CMPHYERROR = 0x1, + +/* IH_AHBDMAAUD_STAT0 field values */ +	HDMI_IH_AHBDMAAUD_STAT0_ERROR = 0x20, +	HDMI_IH_AHBDMAAUD_STAT0_LOST = 0x10, +	HDMI_IH_AHBDMAAUD_STAT0_RETRY = 0x08, +	HDMI_IH_AHBDMAAUD_STAT0_DONE = 0x04, +	HDMI_IH_AHBDMAAUD_STAT0_BUFFFULL = 0x02, +	HDMI_IH_AHBDMAAUD_STAT0_BUFFEMPTY = 0x01, + +/* IH_MUTE_FC_STAT2 field values */ +	HDMI_IH_MUTE_FC_STAT2_OVERFLOW_MASK = 0x03, +	HDMI_IH_MUTE_FC_STAT2_LOW_PRIORITY_OVERFLOW = 0x02, +	HDMI_IH_MUTE_FC_STAT2_HIGH_PRIORITY_OVERFLOW = 0x01, + +/* IH_MUTE_AHBDMAAUD_STAT0 field values */ +	HDMI_IH_MUTE_AHBDMAAUD_STAT0_ERROR = 0x20, +	HDMI_IH_MUTE_AHBDMAAUD_STAT0_LOST = 0x10, +	HDMI_IH_MUTE_AHBDMAAUD_STAT0_RETRY = 0x08, +	HDMI_IH_MUTE_AHBDMAAUD_STAT0_DONE = 0x04, +	HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFFULL = 0x02, +	HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFEMPTY = 0x01, + +/* IH_MUTE field values */ +	HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT = 0x2, +	HDMI_IH_MUTE_MUTE_ALL_INTERRUPT = 0x1, + +/* TX_INVID0 field values */ +	HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_MASK = 0x80, +	HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_ENABLE = 0x80, +	HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE = 0x00, +	HDMI_TX_INVID0_VIDEO_MAPPING_MASK = 0x1F, +	HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET = 0, + +/* TX_INSTUFFING field values */ +	HDMI_TX_INSTUFFING_BDBDATA_STUFFING_MASK = 0x4, +	HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE = 0x4, +	HDMI_TX_INSTUFFING_BDBDATA_STUFFING_DISABLE = 0x0, +	HDMI_TX_INSTUFFING_RCRDATA_STUFFING_MASK = 0x2, +	HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE = 0x2, +	HDMI_TX_INSTUFFING_RCRDATA_STUFFING_DISABLE = 0x0, +	HDMI_TX_INSTUFFING_GYDATA_STUFFING_MASK = 0x1, +	HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE = 0x1, +	HDMI_TX_INSTUFFING_GYDATA_STUFFING_DISABLE = 0x0, + +/* VP_PR_CD field values */ +	HDMI_VP_PR_CD_COLOR_DEPTH_MASK = 0xF0, +	HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET = 4, +	HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK = 0x0F, +	HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET = 0, + +/* VP_STUFF field values */ +	HDMI_VP_STUFF_IDEFAULT_PHASE_MASK = 0x20, +	HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET = 5, +	HDMI_VP_STUFF_IFIX_PP_TO_LAST_MASK = 0x10, +	HDMI_VP_STUFF_IFIX_PP_TO_LAST_OFFSET = 4, +	HDMI_VP_STUFF_ICX_GOTO_P0_ST_MASK = 0x8, +	HDMI_VP_STUFF_ICX_GOTO_P0_ST_OFFSET = 3, +	HDMI_VP_STUFF_YCC422_STUFFING_MASK = 0x4, +	HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE = 0x4, +	HDMI_VP_STUFF_YCC422_STUFFING_DIRECT_MODE = 0x0, +	HDMI_VP_STUFF_PP_STUFFING_MASK = 0x2, +	HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE = 0x2, +	HDMI_VP_STUFF_PP_STUFFING_DIRECT_MODE = 0x0, +	HDMI_VP_STUFF_PR_STUFFING_MASK = 0x1, +	HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE = 0x1, +	HDMI_VP_STUFF_PR_STUFFING_DIRECT_MODE = 0x0, + +/* VP_CONF field values */ +	HDMI_VP_CONF_BYPASS_EN_MASK = 0x40, +	HDMI_VP_CONF_BYPASS_EN_ENABLE = 0x40, +	HDMI_VP_CONF_BYPASS_EN_DISABLE = 0x00, +	HDMI_VP_CONF_PP_EN_ENMASK = 0x20, +	HDMI_VP_CONF_PP_EN_ENABLE = 0x20, +	HDMI_VP_CONF_PP_EN_DISABLE = 0x00, +	HDMI_VP_CONF_PR_EN_MASK = 0x10, +	HDMI_VP_CONF_PR_EN_ENABLE = 0x10, +	HDMI_VP_CONF_PR_EN_DISABLE = 0x00, +	HDMI_VP_CONF_YCC422_EN_MASK = 0x8, +	HDMI_VP_CONF_YCC422_EN_ENABLE = 0x8, +	HDMI_VP_CONF_YCC422_EN_DISABLE = 0x0, +	HDMI_VP_CONF_BYPASS_SELECT_MASK = 0x4, +	HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER = 0x4, +	HDMI_VP_CONF_BYPASS_SELECT_PIX_REPEATER = 0x0, +	HDMI_VP_CONF_OUTPUT_SELECTOR_MASK = 0x3, +	HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS = 0x3, +	HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422 = 0x1, +	HDMI_VP_CONF_OUTPUT_SELECTOR_PP = 0x0, + +/* VP_REMAP field values */ +	HDMI_VP_REMAP_MASK = 0x3, +	HDMI_VP_REMAP_YCC422_24bit = 0x2, +	HDMI_VP_REMAP_YCC422_20bit = 0x1, +	HDMI_VP_REMAP_YCC422_16bit = 0x0, + +/* FC_INVIDCONF field values */ +	HDMI_FC_INVIDCONF_HDCP_KEEPOUT_MASK = 0x80, +	HDMI_FC_INVIDCONF_HDCP_KEEPOUT_ACTIVE = 0x80, +	HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE = 0x00, +	HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_MASK = 0x40, +	HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH = 0x40, +	HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW = 0x00, +	HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_MASK = 0x20, +	HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH = 0x20, +	HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW = 0x00, +	HDMI_FC_INVIDCONF_DE_IN_POLARITY_MASK = 0x10, +	HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH = 0x10, +	HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW = 0x00, +	HDMI_FC_INVIDCONF_DVI_MODEZ_MASK = 0x8, +	HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE = 0x8, +	HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE = 0x0, +	HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_MASK = 0x2, +	HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH = 0x2, +	HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW = 0x0, +	HDMI_FC_INVIDCONF_IN_I_P_MASK = 0x1, +	HDMI_FC_INVIDCONF_IN_I_P_INTERLACED = 0x1, +	HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE = 0x0, + +/* FC_AUDICONF0 field values */ +	HDMI_FC_AUDICONF0_CC_OFFSET = 4, +	HDMI_FC_AUDICONF0_CC_MASK = 0x70, +	HDMI_FC_AUDICONF0_CT_OFFSET = 0, +	HDMI_FC_AUDICONF0_CT_MASK = 0xF, + +/* FC_AUDICONF1 field values */ +	HDMI_FC_AUDICONF1_SS_OFFSET = 3, +	HDMI_FC_AUDICONF1_SS_MASK = 0x18, +	HDMI_FC_AUDICONF1_SF_OFFSET = 0, +	HDMI_FC_AUDICONF1_SF_MASK = 0x7, + +/* FC_AUDICONF3 field values */ +	HDMI_FC_AUDICONF3_LFEPBL_OFFSET = 5, +	HDMI_FC_AUDICONF3_LFEPBL_MASK = 0x60, +	HDMI_FC_AUDICONF3_DM_INH_OFFSET = 4, +	HDMI_FC_AUDICONF3_DM_INH_MASK = 0x10, +	HDMI_FC_AUDICONF3_LSV_OFFSET = 0, +	HDMI_FC_AUDICONF3_LSV_MASK = 0xF, + +/* FC_AUDSCHNLS0 field values */ +	HDMI_FC_AUDSCHNLS0_CGMSA_OFFSET = 4, +	HDMI_FC_AUDSCHNLS0_CGMSA_MASK = 0x30, +	HDMI_FC_AUDSCHNLS0_COPYRIGHT_OFFSET = 0, +	HDMI_FC_AUDSCHNLS0_COPYRIGHT_MASK = 0x01, + +/* FC_AUDSCHNLS3-6 field values */ +	HDMI_FC_AUDSCHNLS3_OIEC_CH0_OFFSET = 0, +	HDMI_FC_AUDSCHNLS3_OIEC_CH0_MASK = 0x0f, +	HDMI_FC_AUDSCHNLS3_OIEC_CH1_OFFSET = 4, +	HDMI_FC_AUDSCHNLS3_OIEC_CH1_MASK = 0xf0, +	HDMI_FC_AUDSCHNLS4_OIEC_CH2_OFFSET = 0, +	HDMI_FC_AUDSCHNLS4_OIEC_CH2_MASK = 0x0f, +	HDMI_FC_AUDSCHNLS4_OIEC_CH3_OFFSET = 4, +	HDMI_FC_AUDSCHNLS4_OIEC_CH3_MASK = 0xf0, + +	HDMI_FC_AUDSCHNLS5_OIEC_CH0_OFFSET = 0, +	HDMI_FC_AUDSCHNLS5_OIEC_CH0_MASK = 0x0f, +	HDMI_FC_AUDSCHNLS5_OIEC_CH1_OFFSET = 4, +	HDMI_FC_AUDSCHNLS5_OIEC_CH1_MASK = 0xf0, +	HDMI_FC_AUDSCHNLS6_OIEC_CH2_OFFSET = 0, +	HDMI_FC_AUDSCHNLS6_OIEC_CH2_MASK = 0x0f, +	HDMI_FC_AUDSCHNLS6_OIEC_CH3_OFFSET = 4, +	HDMI_FC_AUDSCHNLS6_OIEC_CH3_MASK = 0xf0, + +/* HDMI_FC_AUDSCHNLS7 field values */ +	HDMI_FC_AUDSCHNLS7_ACCURACY_OFFSET = 4, +	HDMI_FC_AUDSCHNLS7_ACCURACY_MASK = 0x30, + +/* HDMI_FC_AUDSCHNLS8 field values */ +	HDMI_FC_AUDSCHNLS8_ORIGSAMPFREQ_MASK = 0xf0, +	HDMI_FC_AUDSCHNLS8_ORIGSAMPFREQ_OFFSET = 4, +	HDMI_FC_AUDSCHNLS8_WORDLEGNTH_MASK = 0x0f, +	HDMI_FC_AUDSCHNLS8_WORDLEGNTH_OFFSET = 0, + +/* FC_AUDSCONF field values */ +	HDMI_FC_AUDSCONF_AUD_PACKET_SAMPFIT_MASK = 0xF0, +	HDMI_FC_AUDSCONF_AUD_PACKET_SAMPFIT_OFFSET = 4, +	HDMI_FC_AUDSCONF_AUD_PACKET_LAYOUT_MASK = 0x1, +	HDMI_FC_AUDSCONF_AUD_PACKET_LAYOUT_OFFSET = 0, +	HDMI_FC_AUDSCONF_AUD_PACKET_LAYOUT_LAYOUT1 = 0x1, +	HDMI_FC_AUDSCONF_AUD_PACKET_LAYOUT_LAYOUT0 = 0x0, + +/* FC_STAT2 field values */ +	HDMI_FC_STAT2_OVERFLOW_MASK = 0x03, +	HDMI_FC_STAT2_LOW_PRIORITY_OVERFLOW = 0x02, +	HDMI_FC_STAT2_HIGH_PRIORITY_OVERFLOW = 0x01, + +/* FC_INT2 field values */ +	HDMI_FC_INT2_OVERFLOW_MASK = 0x03, +	HDMI_FC_INT2_LOW_PRIORITY_OVERFLOW = 0x02, +	HDMI_FC_INT2_HIGH_PRIORITY_OVERFLOW = 0x01, + +/* FC_MASK2 field values */ +	HDMI_FC_MASK2_OVERFLOW_MASK = 0x03, +	HDMI_FC_MASK2_LOW_PRIORITY_OVERFLOW = 0x02, +	HDMI_FC_MASK2_HIGH_PRIORITY_OVERFLOW = 0x01, + +/* FC_PRCONF field values */ +	HDMI_FC_PRCONF_INCOMING_PR_FACTOR_MASK = 0xF0, +	HDMI_FC_PRCONF_INCOMING_PR_FACTOR_OFFSET = 4, +	HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_MASK = 0x0F, +	HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_OFFSET = 0, + +/* FC_AVICONF0-FC_AVICONF3 field values */ +	HDMI_FC_AVICONF0_PIX_FMT_MASK = 0x03, +	HDMI_FC_AVICONF0_PIX_FMT_RGB = 0x00, +	HDMI_FC_AVICONF0_PIX_FMT_YCBCR422 = 0x01, +	HDMI_FC_AVICONF0_PIX_FMT_YCBCR444 = 0x02, +	HDMI_FC_AVICONF0_ACTIVE_FMT_MASK = 0x40, +	HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT = 0x40, +	HDMI_FC_AVICONF0_ACTIVE_FMT_NO_INFO = 0x00, +	HDMI_FC_AVICONF0_BAR_DATA_MASK = 0x0C, +	HDMI_FC_AVICONF0_BAR_DATA_NO_DATA = 0x00, +	HDMI_FC_AVICONF0_BAR_DATA_VERT_BAR = 0x04, +	HDMI_FC_AVICONF0_BAR_DATA_HORIZ_BAR = 0x08, +	HDMI_FC_AVICONF0_BAR_DATA_VERT_HORIZ_BAR = 0x0C, +	HDMI_FC_AVICONF0_SCAN_INFO_MASK = 0x30, +	HDMI_FC_AVICONF0_SCAN_INFO_OVERSCAN = 0x10, +	HDMI_FC_AVICONF0_SCAN_INFO_UNDERSCAN = 0x20, +	HDMI_FC_AVICONF0_SCAN_INFO_NODATA = 0x00, + +	HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_MASK = 0x0F, +	HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_USE_CODED = 0x08, +	HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_4_3 = 0x09, +	HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_16_9 = 0x0A, +	HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_14_9 = 0x0B, +	HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_MASK = 0x30, +	HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_NO_DATA = 0x00, +	HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_4_3 = 0x10, +	HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_16_9 = 0x20, +	HDMI_FC_AVICONF1_COLORIMETRY_MASK = 0xC0, +	HDMI_FC_AVICONF1_COLORIMETRY_NO_DATA = 0x00, +	HDMI_FC_AVICONF1_COLORIMETRY_SMPTE = 0x40, +	HDMI_FC_AVICONF1_COLORIMETRY_ITUR = 0x80, +	HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO = 0xC0, + +	HDMI_FC_AVICONF2_SCALING_MASK = 0x03, +	HDMI_FC_AVICONF2_SCALING_NONE = 0x00, +	HDMI_FC_AVICONF2_SCALING_HORIZ = 0x01, +	HDMI_FC_AVICONF2_SCALING_VERT = 0x02, +	HDMI_FC_AVICONF2_SCALING_HORIZ_VERT = 0x03, +	HDMI_FC_AVICONF2_RGB_QUANT_MASK = 0x0C, +	HDMI_FC_AVICONF2_RGB_QUANT_DEFAULT = 0x00, +	HDMI_FC_AVICONF2_RGB_QUANT_LIMITED_RANGE = 0x04, +	HDMI_FC_AVICONF2_RGB_QUANT_FULL_RANGE = 0x08, +	HDMI_FC_AVICONF2_EXT_COLORIMETRY_MASK = 0x70, +	HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601 = 0x00, +	HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709 = 0x10, +	HDMI_FC_AVICONF2_EXT_COLORIMETRY_SYCC601 = 0x20, +	HDMI_FC_AVICONF2_EXT_COLORIMETRY_ADOBE_YCC601 = 0x30, +	HDMI_FC_AVICONF2_EXT_COLORIMETRY_ADOBE_RGB = 0x40, +	HDMI_FC_AVICONF2_IT_CONTENT_MASK = 0x80, +	HDMI_FC_AVICONF2_IT_CONTENT_NO_DATA = 0x00, +	HDMI_FC_AVICONF2_IT_CONTENT_VALID = 0x80, + +	HDMI_FC_AVICONF3_IT_CONTENT_TYPE_MASK = 0x03, +	HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GRAPHICS = 0x00, +	HDMI_FC_AVICONF3_IT_CONTENT_TYPE_PHOTO = 0x01, +	HDMI_FC_AVICONF3_IT_CONTENT_TYPE_CINEMA = 0x02, +	HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GAME = 0x03, +	HDMI_FC_AVICONF3_QUANT_RANGE_MASK = 0x0C, +	HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED = 0x00, +	HDMI_FC_AVICONF3_QUANT_RANGE_FULL = 0x04, + +/* FC_DBGFORCE field values */ +	HDMI_FC_DBGFORCE_FORCEAUDIO = 0x10, +	HDMI_FC_DBGFORCE_FORCEVIDEO = 0x1, + +/* PHY_CONF0 field values */ +	HDMI_PHY_CONF0_PDZ_MASK = 0x80, +	HDMI_PHY_CONF0_PDZ_OFFSET = 7, +	HDMI_PHY_CONF0_ENTMDS_MASK = 0x40, +	HDMI_PHY_CONF0_ENTMDS_OFFSET = 6, +	HDMI_PHY_CONF0_SPARECTRL = 0x20, +	HDMI_PHY_CONF0_GEN2_PDDQ_MASK = 0x10, +	HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET = 4, +	HDMI_PHY_CONF0_GEN2_TXPWRON_MASK = 0x8, +	HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET = 3, +	HDMI_PHY_CONF0_GEN2_ENHPDRXSENSE_MASK = 0x4, +	HDMI_PHY_CONF0_GEN2_ENHPDRXSENSE_OFFSET = 2, +	HDMI_PHY_CONF0_SELDATAENPOL_MASK = 0x2, +	HDMI_PHY_CONF0_SELDATAENPOL_OFFSET = 1, +	HDMI_PHY_CONF0_SELDIPIF_MASK = 0x1, +	HDMI_PHY_CONF0_SELDIPIF_OFFSET = 0, + +/* PHY_TST0 field values */ +	HDMI_PHY_TST0_TSTCLR_MASK = 0x20, +	HDMI_PHY_TST0_TSTCLR_OFFSET = 5, +	HDMI_PHY_TST0_TSTEN_MASK = 0x10, +	HDMI_PHY_TST0_TSTEN_OFFSET = 4, +	HDMI_PHY_TST0_TSTCLK_MASK = 0x1, +	HDMI_PHY_TST0_TSTCLK_OFFSET = 0, + +/* PHY_STAT0 field values */ +	HDMI_PHY_RX_SENSE3 = 0x80, +	HDMI_PHY_RX_SENSE2 = 0x40, +	HDMI_PHY_RX_SENSE1 = 0x20, +	HDMI_PHY_RX_SENSE0 = 0x10, +	HDMI_PHY_HPD = 0x02, +	HDMI_PHY_TX_PHY_LOCK = 0x01, + +/* PHY_I2CM_SLAVE_ADDR field values */ +	HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2 = 0x69, +	HDMI_PHY_I2CM_SLAVE_ADDR_HEAC_PHY = 0x49, + +/* PHY_I2CM_OPERATION_ADDR field values */ +	HDMI_PHY_I2CM_OPERATION_ADDR_WRITE = 0x10, +	HDMI_PHY_I2CM_OPERATION_ADDR_READ = 0x1, + +/* HDMI_PHY_I2CM_INT_ADDR */ +	HDMI_PHY_I2CM_INT_ADDR_DONE_POL = 0x08, +	HDMI_PHY_I2CM_INT_ADDR_DONE_MASK = 0x04, + +/* HDMI_PHY_I2CM_CTLINT_ADDR */ +	HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL = 0x80, +	HDMI_PHY_I2CM_CTLINT_ADDR_NAC_MASK = 0x40, +	HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL = 0x08, +	HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_MASK = 0x04, + +/* AUD_CTS3 field values */ +	HDMI_AUD_CTS3_N_SHIFT_OFFSET = 5, +	HDMI_AUD_CTS3_N_SHIFT_MASK = 0xe0, +	HDMI_AUD_CTS3_N_SHIFT_1 = 0, +	HDMI_AUD_CTS3_N_SHIFT_16 = 0x20, +	HDMI_AUD_CTS3_N_SHIFT_32 = 0x40, +	HDMI_AUD_CTS3_N_SHIFT_64 = 0x60, +	HDMI_AUD_CTS3_N_SHIFT_128 = 0x80, +	HDMI_AUD_CTS3_N_SHIFT_256 = 0xa0, +	/* note that the CTS3 MANUAL bit has been removed +	   from our part. Can't set it, will read as 0. */ +	HDMI_AUD_CTS3_CTS_MANUAL = 0x10, +	HDMI_AUD_CTS3_AUDCTS19_16_MASK = 0x0f, + +/* AHB_DMA_CONF0 field values */ +	HDMI_AHB_DMA_CONF0_SW_FIFO_RST_OFFSET = 7, +	HDMI_AHB_DMA_CONF0_SW_FIFO_RST_MASK = 0x80, +	HDMI_AHB_DMA_CONF0_HBR = 0x10, +	HDMI_AHB_DMA_CONF0_EN_HLOCK_OFFSET = 3, +	HDMI_AHB_DMA_CONF0_EN_HLOCK_MASK = 0x08, +	HDMI_AHB_DMA_CONF0_INCR_TYPE_OFFSET = 1, +	HDMI_AHB_DMA_CONF0_INCR_TYPE_MASK = 0x06, +	HDMI_AHB_DMA_CONF0_INCR4 = 0x0, +	HDMI_AHB_DMA_CONF0_INCR8 = 0x2, +	HDMI_AHB_DMA_CONF0_INCR16 = 0x4, +	HDMI_AHB_DMA_CONF0_BURST_MODE = 0x1, + +/* HDMI_AHB_DMA_START field values */ +	HDMI_AHB_DMA_START_START_OFFSET = 0, +	HDMI_AHB_DMA_START_START_MASK = 0x01, + +/* HDMI_AHB_DMA_STOP field values */ +	HDMI_AHB_DMA_STOP_STOP_OFFSET = 0, +	HDMI_AHB_DMA_STOP_STOP_MASK = 0x01, + +/* AHB_DMA_STAT, AHB_DMA_INT, AHB_DMA_MASK, AHB_DMA_POL field values */ +	HDMI_AHB_DMA_DONE = 0x80, +	HDMI_AHB_DMA_RETRY_SPLIT = 0x40, +	HDMI_AHB_DMA_LOSTOWNERSHIP = 0x20, +	HDMI_AHB_DMA_ERROR = 0x10, +	HDMI_AHB_DMA_FIFO_THREMPTY = 0x04, +	HDMI_AHB_DMA_FIFO_FULL = 0x02, +	HDMI_AHB_DMA_FIFO_EMPTY = 0x01, + +/* AHB_DMA_BUFFSTAT, AHB_DMA_BUFFINT,AHB_DMA_BUFFMASK,AHB_DMA_BUFFPOL values */ +	HDMI_AHB_DMA_BUFFSTAT_FULL = 0x02, +	HDMI_AHB_DMA_BUFFSTAT_EMPTY = 0x01, + +/* MC_CLKDIS field values */ +	HDMI_MC_CLKDIS_HDCPCLK_DISABLE = 0x40, +	HDMI_MC_CLKDIS_CECCLK_DISABLE = 0x20, +	HDMI_MC_CLKDIS_CSCCLK_DISABLE = 0x10, +	HDMI_MC_CLKDIS_AUDCLK_DISABLE = 0x8, +	HDMI_MC_CLKDIS_PREPCLK_DISABLE = 0x4, +	HDMI_MC_CLKDIS_TMDSCLK_DISABLE = 0x2, +	HDMI_MC_CLKDIS_PIXELCLK_DISABLE = 0x1, + +/* MC_SWRSTZ field values */ +	HDMI_MC_SWRSTZ_TMDSSWRST_REQ = 0x02, + +/* MC_FLOWCTRL field values */ +	HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_MASK = 0x1, +	HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH = 0x1, +	HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS = 0x0, + +/* MC_PHYRSTZ field values */ +	HDMI_MC_PHYRSTZ_ASSERT = 0x0, +	HDMI_MC_PHYRSTZ_DEASSERT = 0x1, + +/* MC_HEACPHY_RST field values */ +	HDMI_MC_HEACPHY_RST_ASSERT = 0x1, +	HDMI_MC_HEACPHY_RST_DEASSERT = 0x0, + +/* CSC_CFG field values */ +	HDMI_CSC_CFG_INTMODE_MASK = 0x30, +	HDMI_CSC_CFG_INTMODE_OFFSET = 4, +	HDMI_CSC_CFG_INTMODE_DISABLE = 0x00, +	HDMI_CSC_CFG_INTMODE_CHROMA_INT_FORMULA1 = 0x10, +	HDMI_CSC_CFG_INTMODE_CHROMA_INT_FORMULA2 = 0x20, +	HDMI_CSC_CFG_DECMODE_MASK = 0x3, +	HDMI_CSC_CFG_DECMODE_OFFSET = 0, +	HDMI_CSC_CFG_DECMODE_DISABLE = 0x0, +	HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA1 = 0x1, +	HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA2 = 0x2, +	HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA3 = 0x3, + +/* CSC_SCALE field values */ +	HDMI_CSC_SCALE_CSC_COLORDE_PTH_MASK = 0xF0, +	HDMI_CSC_SCALE_CSC_COLORDE_PTH_24BPP = 0x00, +	HDMI_CSC_SCALE_CSC_COLORDE_PTH_30BPP = 0x50, +	HDMI_CSC_SCALE_CSC_COLORDE_PTH_36BPP = 0x60, +	HDMI_CSC_SCALE_CSC_COLORDE_PTH_48BPP = 0x70, +	HDMI_CSC_SCALE_CSCSCALE_MASK = 0x03, + +/* A_HDCPCFG0 field values */ +	HDMI_A_HDCPCFG0_ELVENA_MASK = 0x80, +	HDMI_A_HDCPCFG0_ELVENA_ENABLE = 0x80, +	HDMI_A_HDCPCFG0_ELVENA_DISABLE = 0x00, +	HDMI_A_HDCPCFG0_I2CFASTMODE_MASK = 0x40, +	HDMI_A_HDCPCFG0_I2CFASTMODE_ENABLE = 0x40, +	HDMI_A_HDCPCFG0_I2CFASTMODE_DISABLE = 0x00, +	HDMI_A_HDCPCFG0_BYPENCRYPTION_MASK = 0x20, +	HDMI_A_HDCPCFG0_BYPENCRYPTION_ENABLE = 0x20, +	HDMI_A_HDCPCFG0_BYPENCRYPTION_DISABLE = 0x00, +	HDMI_A_HDCPCFG0_SYNCRICHECK_MASK = 0x10, +	HDMI_A_HDCPCFG0_SYNCRICHECK_ENABLE = 0x10, +	HDMI_A_HDCPCFG0_SYNCRICHECK_DISABLE = 0x00, +	HDMI_A_HDCPCFG0_AVMUTE_MASK = 0x8, +	HDMI_A_HDCPCFG0_AVMUTE_ENABLE = 0x8, +	HDMI_A_HDCPCFG0_AVMUTE_DISABLE = 0x0, +	HDMI_A_HDCPCFG0_RXDETECT_MASK = 0x4, +	HDMI_A_HDCPCFG0_RXDETECT_ENABLE = 0x4, +	HDMI_A_HDCPCFG0_RXDETECT_DISABLE = 0x0, +	HDMI_A_HDCPCFG0_EN11FEATURE_MASK = 0x2, +	HDMI_A_HDCPCFG0_EN11FEATURE_ENABLE = 0x2, +	HDMI_A_HDCPCFG0_EN11FEATURE_DISABLE = 0x0, +	HDMI_A_HDCPCFG0_HDMIDVI_MASK = 0x1, +	HDMI_A_HDCPCFG0_HDMIDVI_HDMI = 0x1, +	HDMI_A_HDCPCFG0_HDMIDVI_DVI = 0x0, + +/* A_HDCPCFG1 field values */ +	HDMI_A_HDCPCFG1_DISSHA1CHECK_MASK = 0x8, +	HDMI_A_HDCPCFG1_DISSHA1CHECK_DISABLE = 0x8, +	HDMI_A_HDCPCFG1_DISSHA1CHECK_ENABLE = 0x0, +	HDMI_A_HDCPCFG1_PH2UPSHFTENC_MASK = 0x4, +	HDMI_A_HDCPCFG1_PH2UPSHFTENC_ENABLE = 0x4, +	HDMI_A_HDCPCFG1_PH2UPSHFTENC_DISABLE = 0x0, +	HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK = 0x2, +	HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_DISABLE = 0x2, +	HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_ENABLE = 0x0, +	HDMI_A_HDCPCFG1_SWRESET_MASK = 0x1, +	HDMI_A_HDCPCFG1_SWRESET_ASSERT = 0x0, + +/* A_VIDPOLCFG field values */ +	HDMI_A_VIDPOLCFG_UNENCRYPTCONF_MASK = 0x60, +	HDMI_A_VIDPOLCFG_UNENCRYPTCONF_OFFSET = 5, +	HDMI_A_VIDPOLCFG_DATAENPOL_MASK = 0x10, +	HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_HIGH = 0x10, +	HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_LOW = 0x0, +	HDMI_A_VIDPOLCFG_VSYNCPOL_MASK = 0x8, +	HDMI_A_VIDPOLCFG_VSYNCPOL_ACTIVE_HIGH = 0x8, +	HDMI_A_VIDPOLCFG_VSYNCPOL_ACTIVE_LOW = 0x0, +	HDMI_A_VIDPOLCFG_HSYNCPOL_MASK = 0x2, +	HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_HIGH = 0x2, +	HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_LOW = 0x0, +}; +#endif /* __IMX_HDMI_H__ */ diff --git a/drivers/staging/imx-drm/imx-ldb.c b/drivers/staging/imx-drm/imx-ldb.c new file mode 100644 index 00000000000..7e3f019d7e7 --- /dev/null +++ b/drivers/staging/imx-drm/imx-ldb.c @@ -0,0 +1,613 @@ +/* + * i.MX drm driver - LVDS display bridge + * + * Copyright (C) 2012 Sascha Hauer, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <linux/module.h> +#include <linux/clk.h> +#include <linux/component.h> +#include <drm/drmP.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> +#include <linux/mfd/syscon.h> +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <video/of_videomode.h> +#include <linux/regmap.h> +#include <linux/videodev2.h> + +#include "imx-drm.h" + +#define DRIVER_NAME "imx-ldb" + +#define LDB_CH0_MODE_EN_TO_DI0		(1 << 0) +#define LDB_CH0_MODE_EN_TO_DI1		(3 << 0) +#define LDB_CH0_MODE_EN_MASK		(3 << 0) +#define LDB_CH1_MODE_EN_TO_DI0		(1 << 2) +#define LDB_CH1_MODE_EN_TO_DI1		(3 << 2) +#define LDB_CH1_MODE_EN_MASK		(3 << 2) +#define LDB_SPLIT_MODE_EN		(1 << 4) +#define LDB_DATA_WIDTH_CH0_24		(1 << 5) +#define LDB_BIT_MAP_CH0_JEIDA		(1 << 6) +#define LDB_DATA_WIDTH_CH1_24		(1 << 7) +#define LDB_BIT_MAP_CH1_JEIDA		(1 << 8) +#define LDB_DI0_VS_POL_ACT_LOW		(1 << 9) +#define LDB_DI1_VS_POL_ACT_LOW		(1 << 10) +#define LDB_BGREF_RMODE_INT		(1 << 15) + +#define con_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, connector) +#define enc_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, encoder) + +struct imx_ldb; + +struct imx_ldb_channel { +	struct imx_ldb *ldb; +	struct drm_connector connector; +	struct drm_encoder encoder; +	struct device_node *child; +	int chno; +	void *edid; +	int edid_len; +	struct drm_display_mode mode; +	int mode_valid; +}; + +struct bus_mux { +	int reg; +	int shift; +	int mask; +}; + +struct imx_ldb { +	struct regmap *regmap; +	struct device *dev; +	struct imx_ldb_channel channel[2]; +	struct clk *clk[2]; /* our own clock */ +	struct clk *clk_sel[4]; /* parent of display clock */ +	struct clk *clk_pll[2]; /* upstream clock we can adjust */ +	u32 ldb_ctrl; +	const struct bus_mux *lvds_mux; +}; + +static enum drm_connector_status imx_ldb_connector_detect( +		struct drm_connector *connector, bool force) +{ +	return connector_status_connected; +} + +static int imx_ldb_connector_get_modes(struct drm_connector *connector) +{ +	struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector); +	int num_modes = 0; + +	if (imx_ldb_ch->edid) { +		drm_mode_connector_update_edid_property(connector, +							imx_ldb_ch->edid); +		num_modes = drm_add_edid_modes(connector, imx_ldb_ch->edid); +	} + +	if (imx_ldb_ch->mode_valid) { +		struct drm_display_mode *mode; + +		mode = drm_mode_create(connector->dev); +		if (!mode) +			return -EINVAL; +		drm_mode_copy(mode, &imx_ldb_ch->mode); +		mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; +		drm_mode_probed_add(connector, mode); +		num_modes++; +	} + +	return num_modes; +} + +static struct drm_encoder *imx_ldb_connector_best_encoder( +		struct drm_connector *connector) +{ +	struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector); + +	return &imx_ldb_ch->encoder; +} + +static void imx_ldb_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +} + +static bool imx_ldb_encoder_mode_fixup(struct drm_encoder *encoder, +			   const struct drm_display_mode *mode, +			   struct drm_display_mode *adjusted_mode) +{ +	return true; +} + +static void imx_ldb_set_clock(struct imx_ldb *ldb, int mux, int chno, +		unsigned long serial_clk, unsigned long di_clk) +{ +	int ret; + +	dev_dbg(ldb->dev, "%s: now: %ld want: %ld\n", __func__, +			clk_get_rate(ldb->clk_pll[chno]), serial_clk); +	clk_set_rate(ldb->clk_pll[chno], serial_clk); + +	dev_dbg(ldb->dev, "%s after: %ld\n", __func__, +			clk_get_rate(ldb->clk_pll[chno])); + +	dev_dbg(ldb->dev, "%s: now: %ld want: %ld\n", __func__, +			clk_get_rate(ldb->clk[chno]), +			(long int)di_clk); +	clk_set_rate(ldb->clk[chno], di_clk); + +	dev_dbg(ldb->dev, "%s after: %ld\n", __func__, +			clk_get_rate(ldb->clk[chno])); + +	/* set display clock mux to LDB input clock */ +	ret = clk_set_parent(ldb->clk_sel[mux], ldb->clk[chno]); +	if (ret) +		dev_err(ldb->dev, +			"unable to set di%d parent clock to ldb_di%d\n", mux, +			chno); +} + +static void imx_ldb_encoder_prepare(struct drm_encoder *encoder) +{ +	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); +	struct imx_ldb *ldb = imx_ldb_ch->ldb; +	struct drm_display_mode *mode = &encoder->crtc->mode; +	u32 pixel_fmt; +	unsigned long serial_clk; +	unsigned long di_clk = mode->clock * 1000; +	int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder); + +	if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) { +		/* dual channel LVDS mode */ +		serial_clk = 3500UL * mode->clock; +		imx_ldb_set_clock(ldb, mux, 0, serial_clk, di_clk); +		imx_ldb_set_clock(ldb, mux, 1, serial_clk, di_clk); +	} else { +		serial_clk = 7000UL * mode->clock; +		imx_ldb_set_clock(ldb, mux, imx_ldb_ch->chno, serial_clk, +				di_clk); +	} + +	switch (imx_ldb_ch->chno) { +	case 0: +		pixel_fmt = (ldb->ldb_ctrl & LDB_DATA_WIDTH_CH0_24) ? +			V4L2_PIX_FMT_RGB24 : V4L2_PIX_FMT_BGR666; +		break; +	case 1: +		pixel_fmt = (ldb->ldb_ctrl & LDB_DATA_WIDTH_CH1_24) ? +			V4L2_PIX_FMT_RGB24 : V4L2_PIX_FMT_BGR666; +		break; +	default: +		dev_err(ldb->dev, "unable to config di%d panel format\n", +			imx_ldb_ch->chno); +		pixel_fmt = V4L2_PIX_FMT_RGB24; +	} + +	imx_drm_panel_format(encoder, pixel_fmt); +} + +static void imx_ldb_encoder_commit(struct drm_encoder *encoder) +{ +	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); +	struct imx_ldb *ldb = imx_ldb_ch->ldb; +	int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; +	int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder); + +	if (dual) { +		clk_prepare_enable(ldb->clk[0]); +		clk_prepare_enable(ldb->clk[1]); +	} + +	if (imx_ldb_ch == &ldb->channel[0] || dual) { +		ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK; +		if (mux == 0 || ldb->lvds_mux) +			ldb->ldb_ctrl |= LDB_CH0_MODE_EN_TO_DI0; +		else if (mux == 1) +			ldb->ldb_ctrl |= LDB_CH0_MODE_EN_TO_DI1; +	} +	if (imx_ldb_ch == &ldb->channel[1] || dual) { +		ldb->ldb_ctrl &= ~LDB_CH1_MODE_EN_MASK; +		if (mux == 1 || ldb->lvds_mux) +			ldb->ldb_ctrl |= LDB_CH1_MODE_EN_TO_DI1; +		else if (mux == 0) +			ldb->ldb_ctrl |= LDB_CH1_MODE_EN_TO_DI0; +	} + +	if (ldb->lvds_mux) { +		const struct bus_mux *lvds_mux = NULL; + +		if (imx_ldb_ch == &ldb->channel[0]) +			lvds_mux = &ldb->lvds_mux[0]; +		else if (imx_ldb_ch == &ldb->channel[1]) +			lvds_mux = &ldb->lvds_mux[1]; + +		regmap_update_bits(ldb->regmap, lvds_mux->reg, lvds_mux->mask, +				   mux << lvds_mux->shift); +	} + +	regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl); +} + +static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, +			 struct drm_display_mode *mode, +			 struct drm_display_mode *adjusted_mode) +{ +	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); +	struct imx_ldb *ldb = imx_ldb_ch->ldb; +	int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; + +	if (mode->clock > 170000) { +		dev_warn(ldb->dev, +			 "%s: mode exceeds 170 MHz pixel clock\n", __func__); +	} +	if (mode->clock > 85000 && !dual) { +		dev_warn(ldb->dev, +			 "%s: mode exceeds 85 MHz pixel clock\n", __func__); +	} + +	/* FIXME - assumes straight connections DI0 --> CH0, DI1 --> CH1 */ +	if (imx_ldb_ch == &ldb->channel[0]) { +		if (mode->flags & DRM_MODE_FLAG_NVSYNC) +			ldb->ldb_ctrl |= LDB_DI0_VS_POL_ACT_LOW; +		else if (mode->flags & DRM_MODE_FLAG_PVSYNC) +			ldb->ldb_ctrl &= ~LDB_DI0_VS_POL_ACT_LOW; +	} +	if (imx_ldb_ch == &ldb->channel[1]) { +		if (mode->flags & DRM_MODE_FLAG_NVSYNC) +			ldb->ldb_ctrl |= LDB_DI1_VS_POL_ACT_LOW; +		else if (mode->flags & DRM_MODE_FLAG_PVSYNC) +			ldb->ldb_ctrl &= ~LDB_DI1_VS_POL_ACT_LOW; +	} +} + +static void imx_ldb_encoder_disable(struct drm_encoder *encoder) +{ +	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); +	struct imx_ldb *ldb = imx_ldb_ch->ldb; + +	/* +	 * imx_ldb_encoder_disable is called by +	 * drm_helper_disable_unused_functions without +	 * the encoder being enabled before. +	 */ +	if (imx_ldb_ch == &ldb->channel[0] && +	    (ldb->ldb_ctrl & LDB_CH0_MODE_EN_MASK) == 0) +		return; +	else if (imx_ldb_ch == &ldb->channel[1] && +		 (ldb->ldb_ctrl & LDB_CH1_MODE_EN_MASK) == 0) +		return; + +	if (imx_ldb_ch == &ldb->channel[0]) +		ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK; +	else if (imx_ldb_ch == &ldb->channel[1]) +		ldb->ldb_ctrl &= ~LDB_CH1_MODE_EN_MASK; + +	regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl); + +	if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) { +		clk_disable_unprepare(ldb->clk[0]); +		clk_disable_unprepare(ldb->clk[1]); +	} +} + +static struct drm_connector_funcs imx_ldb_connector_funcs = { +	.dpms = drm_helper_connector_dpms, +	.fill_modes = drm_helper_probe_single_connector_modes, +	.detect = imx_ldb_connector_detect, +	.destroy = imx_drm_connector_destroy, +}; + +static struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = { +	.get_modes = imx_ldb_connector_get_modes, +	.best_encoder = imx_ldb_connector_best_encoder, +}; + +static struct drm_encoder_funcs imx_ldb_encoder_funcs = { +	.destroy = imx_drm_encoder_destroy, +}; + +static struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = { +	.dpms = imx_ldb_encoder_dpms, +	.mode_fixup = imx_ldb_encoder_mode_fixup, +	.prepare = imx_ldb_encoder_prepare, +	.commit = imx_ldb_encoder_commit, +	.mode_set = imx_ldb_encoder_mode_set, +	.disable = imx_ldb_encoder_disable, +}; + +static int imx_ldb_get_clk(struct imx_ldb *ldb, int chno) +{ +	char clkname[16]; + +	snprintf(clkname, sizeof(clkname), "di%d", chno); +	ldb->clk[chno] = devm_clk_get(ldb->dev, clkname); +	if (IS_ERR(ldb->clk[chno])) +		return PTR_ERR(ldb->clk[chno]); + +	snprintf(clkname, sizeof(clkname), "di%d_pll", chno); +	ldb->clk_pll[chno] = devm_clk_get(ldb->dev, clkname); + +	return PTR_ERR_OR_ZERO(ldb->clk_pll[chno]); +} + +static int imx_ldb_register(struct drm_device *drm, +	struct imx_ldb_channel *imx_ldb_ch) +{ +	struct imx_ldb *ldb = imx_ldb_ch->ldb; +	int ret; + +	ret = imx_drm_encoder_parse_of(drm, &imx_ldb_ch->encoder, +				       imx_ldb_ch->child); +	if (ret) +		return ret; + +	ret = imx_ldb_get_clk(ldb, imx_ldb_ch->chno); +	if (ret) +		return ret; + +	if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) { +		ret = imx_ldb_get_clk(ldb, 1); +		if (ret) +			return ret; +	} + +	drm_encoder_helper_add(&imx_ldb_ch->encoder, +			&imx_ldb_encoder_helper_funcs); +	drm_encoder_init(drm, &imx_ldb_ch->encoder, &imx_ldb_encoder_funcs, +			 DRM_MODE_ENCODER_LVDS); + +	drm_connector_helper_add(&imx_ldb_ch->connector, +			&imx_ldb_connector_helper_funcs); +	drm_connector_init(drm, &imx_ldb_ch->connector, +			   &imx_ldb_connector_funcs, DRM_MODE_CONNECTOR_LVDS); + +	drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, +			&imx_ldb_ch->encoder); + +	return 0; +} + +enum { +	LVDS_BIT_MAP_SPWG, +	LVDS_BIT_MAP_JEIDA +}; + +static const char * const imx_ldb_bit_mappings[] = { +	[LVDS_BIT_MAP_SPWG]  = "spwg", +	[LVDS_BIT_MAP_JEIDA] = "jeida", +}; + +static const int of_get_data_mapping(struct device_node *np) +{ +	const char *bm; +	int ret, i; + +	ret = of_property_read_string(np, "fsl,data-mapping", &bm); +	if (ret < 0) +		return ret; + +	for (i = 0; i < ARRAY_SIZE(imx_ldb_bit_mappings); i++) +		if (!strcasecmp(bm, imx_ldb_bit_mappings[i])) +			return i; + +	return -EINVAL; +} + +static struct bus_mux imx6q_lvds_mux[2] = { +	{ +		.reg = IOMUXC_GPR3, +		.shift = 6, +		.mask = IMX6Q_GPR3_LVDS0_MUX_CTL_MASK, +	}, { +		.reg = IOMUXC_GPR3, +		.shift = 8, +		.mask = IMX6Q_GPR3_LVDS1_MUX_CTL_MASK, +	} +}; + +/* + * For a device declaring compatible = "fsl,imx6q-ldb", "fsl,imx53-ldb", + * of_match_device will walk through this list and take the first entry + * matching any of its compatible values. Therefore, the more generic + * entries (in this case fsl,imx53-ldb) need to be ordered last. + */ +static const struct of_device_id imx_ldb_dt_ids[] = { +	{ .compatible = "fsl,imx6q-ldb", .data = imx6q_lvds_mux, }, +	{ .compatible = "fsl,imx53-ldb", .data = NULL, }, +	{ } +}; +MODULE_DEVICE_TABLE(of, imx_ldb_dt_ids); + +static int imx_ldb_bind(struct device *dev, struct device *master, void *data) +{ +	struct drm_device *drm = data; +	struct device_node *np = dev->of_node; +	const struct of_device_id *of_id = +			of_match_device(imx_ldb_dt_ids, dev); +	struct device_node *child; +	const u8 *edidp; +	struct imx_ldb *imx_ldb; +	int datawidth; +	int mapping; +	int dual; +	int ret; +	int i; + +	imx_ldb = devm_kzalloc(dev, sizeof(*imx_ldb), GFP_KERNEL); +	if (!imx_ldb) +		return -ENOMEM; + +	imx_ldb->regmap = syscon_regmap_lookup_by_phandle(np, "gpr"); +	if (IS_ERR(imx_ldb->regmap)) { +		dev_err(dev, "failed to get parent regmap\n"); +		return PTR_ERR(imx_ldb->regmap); +	} + +	imx_ldb->dev = dev; + +	if (of_id) +		imx_ldb->lvds_mux = of_id->data; + +	dual = of_property_read_bool(np, "fsl,dual-channel"); +	if (dual) +		imx_ldb->ldb_ctrl |= LDB_SPLIT_MODE_EN; + +	/* +	 * There are three different possible clock mux configurations: +	 * i.MX53:  ipu1_di0_sel, ipu1_di1_sel +	 * i.MX6q:  ipu1_di0_sel, ipu1_di1_sel, ipu2_di0_sel, ipu2_di1_sel +	 * i.MX6dl: ipu1_di0_sel, ipu1_di1_sel, lcdif_sel +	 * Map them all to di0_sel...di3_sel. +	 */ +	for (i = 0; i < 4; i++) { +		char clkname[16]; + +		sprintf(clkname, "di%d_sel", i); +		imx_ldb->clk_sel[i] = devm_clk_get(imx_ldb->dev, clkname); +		if (IS_ERR(imx_ldb->clk_sel[i])) { +			ret = PTR_ERR(imx_ldb->clk_sel[i]); +			imx_ldb->clk_sel[i] = NULL; +			break; +		} +	} +	if (i == 0) +		return ret; + +	for_each_child_of_node(np, child) { +		struct imx_ldb_channel *channel; + +		ret = of_property_read_u32(child, "reg", &i); +		if (ret || i < 0 || i > 1) +			return -EINVAL; + +		if (dual && i > 0) { +			dev_warn(dev, "dual-channel mode, ignoring second output\n"); +			continue; +		} + +		if (!of_device_is_available(child)) +			continue; + +		channel = &imx_ldb->channel[i]; +		channel->ldb = imx_ldb; +		channel->chno = i; +		channel->child = child; + +		edidp = of_get_property(child, "edid", &channel->edid_len); +		if (edidp) { +			channel->edid = kmemdup(edidp, channel->edid_len, +						GFP_KERNEL); +		} else { +			ret = of_get_drm_display_mode(child, &channel->mode, 0); +			if (!ret) +				channel->mode_valid = 1; +		} + +		ret = of_property_read_u32(child, "fsl,data-width", &datawidth); +		if (ret) +			datawidth = 0; +		else if (datawidth != 18 && datawidth != 24) +			return -EINVAL; + +		mapping = of_get_data_mapping(child); +		switch (mapping) { +		case LVDS_BIT_MAP_SPWG: +			if (datawidth == 24) { +				if (i == 0 || dual) +					imx_ldb->ldb_ctrl |= +						LDB_DATA_WIDTH_CH0_24; +				if (i == 1 || dual) +					imx_ldb->ldb_ctrl |= +						LDB_DATA_WIDTH_CH1_24; +			} +			break; +		case LVDS_BIT_MAP_JEIDA: +			if (datawidth == 18) { +				dev_err(dev, "JEIDA standard only supported in 24 bit\n"); +				return -EINVAL; +			} +			if (i == 0 || dual) +				imx_ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24 | +					LDB_BIT_MAP_CH0_JEIDA; +			if (i == 1 || dual) +				imx_ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24 | +					LDB_BIT_MAP_CH1_JEIDA; +			break; +		default: +			dev_err(dev, "data mapping not specified or invalid\n"); +			return -EINVAL; +		} + +		ret = imx_ldb_register(drm, channel); +		if (ret) +			return ret; +	} + +	dev_set_drvdata(dev, imx_ldb); + +	return 0; +} + +static void imx_ldb_unbind(struct device *dev, struct device *master, +	void *data) +{ +	struct imx_ldb *imx_ldb = dev_get_drvdata(dev); +	int i; + +	for (i = 0; i < 2; i++) { +		struct imx_ldb_channel *channel = &imx_ldb->channel[i]; + +		channel->connector.funcs->destroy(&channel->connector); +		channel->encoder.funcs->destroy(&channel->encoder); +	} +} + +static const struct component_ops imx_ldb_ops = { +	.bind	= imx_ldb_bind, +	.unbind	= imx_ldb_unbind, +}; + +static int imx_ldb_probe(struct platform_device *pdev) +{ +	return component_add(&pdev->dev, &imx_ldb_ops); +} + +static int imx_ldb_remove(struct platform_device *pdev) +{ +	component_del(&pdev->dev, &imx_ldb_ops); +	return 0; +} + +static struct platform_driver imx_ldb_driver = { +	.probe		= imx_ldb_probe, +	.remove		= imx_ldb_remove, +	.driver		= { +		.of_match_table = imx_ldb_dt_ids, +		.name	= DRIVER_NAME, +		.owner	= THIS_MODULE, +	}, +}; + +module_platform_driver(imx_ldb_driver); + +MODULE_DESCRIPTION("i.MX LVDS driver"); +MODULE_AUTHOR("Sascha Hauer, Pengutronix"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c new file mode 100644 index 00000000000..c628fcdc22a --- /dev/null +++ b/drivers/staging/imx-drm/imx-tve.c @@ -0,0 +1,735 @@ +/* + * i.MX drm driver - Television Encoder (TVEv2) + * + * Copyright (C) 2013 Philipp Zabel, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/component.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/spinlock.h> +#include <linux/videodev2.h> +#include <drm/drmP.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> +#include <video/imx-ipu-v3.h> + +#include "imx-drm.h" + +#define TVE_COM_CONF_REG	0x00 +#define TVE_TVDAC0_CONT_REG	0x28 +#define TVE_TVDAC1_CONT_REG	0x2c +#define TVE_TVDAC2_CONT_REG	0x30 +#define TVE_CD_CONT_REG		0x34 +#define TVE_INT_CONT_REG	0x64 +#define TVE_STAT_REG		0x68 +#define TVE_TST_MODE_REG	0x6c +#define TVE_MV_CONT_REG		0xdc + +/* TVE_COM_CONF_REG */ +#define TVE_SYNC_CH_2_EN	BIT(22) +#define TVE_SYNC_CH_1_EN	BIT(21) +#define TVE_SYNC_CH_0_EN	BIT(20) +#define TVE_TV_OUT_MODE_MASK	(0x7 << 12) +#define TVE_TV_OUT_DISABLE	(0x0 << 12) +#define TVE_TV_OUT_CVBS_0	(0x1 << 12) +#define TVE_TV_OUT_CVBS_2	(0x2 << 12) +#define TVE_TV_OUT_CVBS_0_2	(0x3 << 12) +#define TVE_TV_OUT_SVIDEO_0_1	(0x4 << 12) +#define TVE_TV_OUT_SVIDEO_0_1_CVBS2_2	(0x5 << 12) +#define TVE_TV_OUT_YPBPR	(0x6 << 12) +#define TVE_TV_OUT_RGB		(0x7 << 12) +#define TVE_TV_STAND_MASK	(0xf << 8) +#define TVE_TV_STAND_HD_1080P30	(0xc << 8) +#define TVE_P2I_CONV_EN		BIT(7) +#define TVE_INP_VIDEO_FORM	BIT(6) +#define TVE_INP_YCBCR_422	(0x0 << 6) +#define TVE_INP_YCBCR_444	(0x1 << 6) +#define TVE_DATA_SOURCE_MASK	(0x3 << 4) +#define TVE_DATA_SOURCE_BUS1	(0x0 << 4) +#define TVE_DATA_SOURCE_BUS2	(0x1 << 4) +#define TVE_DATA_SOURCE_EXT	(0x2 << 4) +#define TVE_DATA_SOURCE_TESTGEN	(0x3 << 4) +#define TVE_IPU_CLK_EN_OFS	3 +#define TVE_IPU_CLK_EN		BIT(3) +#define TVE_DAC_SAMP_RATE_OFS	1 +#define TVE_DAC_SAMP_RATE_WIDTH	2 +#define TVE_DAC_SAMP_RATE_MASK	(0x3 << 1) +#define TVE_DAC_FULL_RATE	(0x0 << 1) +#define TVE_DAC_DIV2_RATE	(0x1 << 1) +#define TVE_DAC_DIV4_RATE	(0x2 << 1) +#define TVE_EN			BIT(0) + +/* TVE_TVDACx_CONT_REG */ +#define TVE_TVDAC_GAIN_MASK	(0x3f << 0) + +/* TVE_CD_CONT_REG */ +#define TVE_CD_CH_2_SM_EN	BIT(22) +#define TVE_CD_CH_1_SM_EN	BIT(21) +#define TVE_CD_CH_0_SM_EN	BIT(20) +#define TVE_CD_CH_2_LM_EN	BIT(18) +#define TVE_CD_CH_1_LM_EN	BIT(17) +#define TVE_CD_CH_0_LM_EN	BIT(16) +#define TVE_CD_CH_2_REF_LVL	BIT(10) +#define TVE_CD_CH_1_REF_LVL	BIT(9) +#define TVE_CD_CH_0_REF_LVL	BIT(8) +#define TVE_CD_EN		BIT(0) + +/* TVE_INT_CONT_REG */ +#define TVE_FRAME_END_IEN	BIT(13) +#define TVE_CD_MON_END_IEN	BIT(2) +#define TVE_CD_SM_IEN		BIT(1) +#define TVE_CD_LM_IEN		BIT(0) + +/* TVE_TST_MODE_REG */ +#define TVE_TVDAC_TEST_MODE_MASK	(0x7 << 0) + +#define con_to_tve(x) container_of(x, struct imx_tve, connector) +#define enc_to_tve(x) container_of(x, struct imx_tve, encoder) + +enum { +	TVE_MODE_TVOUT, +	TVE_MODE_VGA, +}; + +struct imx_tve { +	struct drm_connector connector; +	struct drm_encoder encoder; +	struct device *dev; +	spinlock_t lock;	/* register lock */ +	bool enabled; +	int mode; + +	struct regmap *regmap; +	struct regulator *dac_reg; +	struct i2c_adapter *ddc; +	struct clk *clk; +	struct clk *di_sel_clk; +	struct clk_hw clk_hw_di; +	struct clk *di_clk; +	int vsync_pin; +	int hsync_pin; +}; + +static void tve_lock(void *__tve) +__acquires(&tve->lock) +{ +	struct imx_tve *tve = __tve; +	spin_lock(&tve->lock); +} + +static void tve_unlock(void *__tve) +__releases(&tve->lock) +{ +	struct imx_tve *tve = __tve; +	spin_unlock(&tve->lock); +} + +static void tve_enable(struct imx_tve *tve) +{ +	int ret; + +	if (!tve->enabled) { +		tve->enabled = true; +		clk_prepare_enable(tve->clk); +		ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, +					 TVE_IPU_CLK_EN | TVE_EN, +					 TVE_IPU_CLK_EN | TVE_EN); +	} + +	/* clear interrupt status register */ +	regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff); + +	/* cable detection irq disabled in VGA mode, enabled in TVOUT mode */ +	if (tve->mode == TVE_MODE_VGA) +		regmap_write(tve->regmap, TVE_INT_CONT_REG, 0); +	else +		regmap_write(tve->regmap, TVE_INT_CONT_REG, +			     TVE_CD_SM_IEN | +			     TVE_CD_LM_IEN | +			     TVE_CD_MON_END_IEN); +} + +static void tve_disable(struct imx_tve *tve) +{ +	int ret; + +	if (tve->enabled) { +		tve->enabled = false; +		ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, +					 TVE_IPU_CLK_EN | TVE_EN, 0); +		clk_disable_unprepare(tve->clk); +	} +} + +static int tve_setup_tvout(struct imx_tve *tve) +{ +	return -ENOTSUPP; +} + +static int tve_setup_vga(struct imx_tve *tve) +{ +	unsigned int mask; +	unsigned int val; +	int ret; + +	/* set gain to (1 + 10/128) to provide 0.7V peak-to-peak amplitude */ +	ret = regmap_update_bits(tve->regmap, TVE_TVDAC0_CONT_REG, +				 TVE_TVDAC_GAIN_MASK, 0x0a); +	ret = regmap_update_bits(tve->regmap, TVE_TVDAC1_CONT_REG, +				 TVE_TVDAC_GAIN_MASK, 0x0a); +	ret = regmap_update_bits(tve->regmap, TVE_TVDAC2_CONT_REG, +				 TVE_TVDAC_GAIN_MASK, 0x0a); + +	/* set configuration register */ +	mask = TVE_DATA_SOURCE_MASK | TVE_INP_VIDEO_FORM; +	val  = TVE_DATA_SOURCE_BUS2 | TVE_INP_YCBCR_444; +	mask |= TVE_TV_STAND_MASK       | TVE_P2I_CONV_EN; +	val  |= TVE_TV_STAND_HD_1080P30 | 0; +	mask |= TVE_TV_OUT_MODE_MASK | TVE_SYNC_CH_0_EN; +	val  |= TVE_TV_OUT_RGB       | TVE_SYNC_CH_0_EN; +	ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, mask, val); +	if (ret < 0) { +		dev_err(tve->dev, "failed to set configuration: %d\n", ret); +		return ret; +	} + +	/* set test mode (as documented) */ +	ret = regmap_update_bits(tve->regmap, TVE_TST_MODE_REG, +				 TVE_TVDAC_TEST_MODE_MASK, 1); + +	return 0; +} + +static enum drm_connector_status imx_tve_connector_detect( +				struct drm_connector *connector, bool force) +{ +	return connector_status_connected; +} + +static int imx_tve_connector_get_modes(struct drm_connector *connector) +{ +	struct imx_tve *tve = con_to_tve(connector); +	struct edid *edid; +	int ret = 0; + +	if (!tve->ddc) +		return 0; + +	edid = drm_get_edid(connector, tve->ddc); +	if (edid) { +		drm_mode_connector_update_edid_property(connector, edid); +		ret = drm_add_edid_modes(connector, edid); +		kfree(edid); +	} + +	return ret; +} + +static int imx_tve_connector_mode_valid(struct drm_connector *connector, +					struct drm_display_mode *mode) +{ +	struct imx_tve *tve = con_to_tve(connector); +	unsigned long rate; + +	/* pixel clock with 2x oversampling */ +	rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000; +	if (rate == mode->clock) +		return MODE_OK; + +	/* pixel clock without oversampling */ +	rate = clk_round_rate(tve->clk, 1000UL * mode->clock) / 1000; +	if (rate == mode->clock) +		return MODE_OK; + +	dev_warn(tve->dev, "ignoring mode %dx%d\n", +		 mode->hdisplay, mode->vdisplay); + +	return MODE_BAD; +} + +static struct drm_encoder *imx_tve_connector_best_encoder( +		struct drm_connector *connector) +{ +	struct imx_tve *tve = con_to_tve(connector); + +	return &tve->encoder; +} + +static void imx_tve_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +	struct imx_tve *tve = enc_to_tve(encoder); +	int ret; + +	ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, +				 TVE_TV_OUT_MODE_MASK, TVE_TV_OUT_DISABLE); +	if (ret < 0) +		dev_err(tve->dev, "failed to disable TVOUT: %d\n", ret); +} + +static bool imx_tve_encoder_mode_fixup(struct drm_encoder *encoder, +				       const struct drm_display_mode *mode, +				       struct drm_display_mode *adjusted_mode) +{ +	return true; +} + +static void imx_tve_encoder_prepare(struct drm_encoder *encoder) +{ +	struct imx_tve *tve = enc_to_tve(encoder); + +	tve_disable(tve); + +	switch (tve->mode) { +	case TVE_MODE_VGA: +		imx_drm_panel_format_pins(encoder, IPU_PIX_FMT_GBR24, +				tve->hsync_pin, tve->vsync_pin); +		break; +	case TVE_MODE_TVOUT: +		imx_drm_panel_format(encoder, V4L2_PIX_FMT_YUV444); +		break; +	} +} + +static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, +				     struct drm_display_mode *mode, +				     struct drm_display_mode *adjusted_mode) +{ +	struct imx_tve *tve = enc_to_tve(encoder); +	unsigned long rounded_rate; +	unsigned long rate; +	int div = 1; +	int ret; + +	/* +	 * FIXME +	 * we should try 4k * mode->clock first, +	 * and enable 4x oversampling for lower resolutions +	 */ +	rate = 2000UL * mode->clock; +	clk_set_rate(tve->clk, rate); +	rounded_rate = clk_get_rate(tve->clk); +	if (rounded_rate >= rate) +		div = 2; +	clk_set_rate(tve->di_clk, rounded_rate / div); + +	ret = clk_set_parent(tve->di_sel_clk, tve->di_clk); +	if (ret < 0) { +		dev_err(tve->dev, "failed to set di_sel parent to tve_di: %d\n", +			ret); +	} + +	if (tve->mode == TVE_MODE_VGA) +		tve_setup_vga(tve); +	else +		tve_setup_tvout(tve); +} + +static void imx_tve_encoder_commit(struct drm_encoder *encoder) +{ +	struct imx_tve *tve = enc_to_tve(encoder); + +	tve_enable(tve); +} + +static void imx_tve_encoder_disable(struct drm_encoder *encoder) +{ +	struct imx_tve *tve = enc_to_tve(encoder); + +	tve_disable(tve); +} + +static struct drm_connector_funcs imx_tve_connector_funcs = { +	.dpms = drm_helper_connector_dpms, +	.fill_modes = drm_helper_probe_single_connector_modes, +	.detect = imx_tve_connector_detect, +	.destroy = imx_drm_connector_destroy, +}; + +static struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = { +	.get_modes = imx_tve_connector_get_modes, +	.best_encoder = imx_tve_connector_best_encoder, +	.mode_valid = imx_tve_connector_mode_valid, +}; + +static struct drm_encoder_funcs imx_tve_encoder_funcs = { +	.destroy = imx_drm_encoder_destroy, +}; + +static struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = { +	.dpms = imx_tve_encoder_dpms, +	.mode_fixup = imx_tve_encoder_mode_fixup, +	.prepare = imx_tve_encoder_prepare, +	.mode_set = imx_tve_encoder_mode_set, +	.commit = imx_tve_encoder_commit, +	.disable = imx_tve_encoder_disable, +}; + +static irqreturn_t imx_tve_irq_handler(int irq, void *data) +{ +	struct imx_tve *tve = data; +	unsigned int val; + +	regmap_read(tve->regmap, TVE_STAT_REG, &val); + +	/* clear interrupt status register */ +	regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff); + +	return IRQ_HANDLED; +} + +static unsigned long clk_tve_di_recalc_rate(struct clk_hw *hw, +					    unsigned long parent_rate) +{ +	struct imx_tve *tve = container_of(hw, struct imx_tve, clk_hw_di); +	unsigned int val; +	int ret; + +	ret = regmap_read(tve->regmap, TVE_COM_CONF_REG, &val); +	if (ret < 0) +		return 0; + +	switch (val & TVE_DAC_SAMP_RATE_MASK) { +	case TVE_DAC_DIV4_RATE: +		return parent_rate / 4; +	case TVE_DAC_DIV2_RATE: +		return parent_rate / 2; +	case TVE_DAC_FULL_RATE: +	default: +		return parent_rate; +	} + +	return 0; +} + +static long clk_tve_di_round_rate(struct clk_hw *hw, unsigned long rate, +				  unsigned long *prate) +{ +	unsigned long div; + +	div = *prate / rate; +	if (div >= 4) +		return *prate / 4; +	else if (div >= 2) +		return *prate / 2; +	else +		return *prate; +} + +static int clk_tve_di_set_rate(struct clk_hw *hw, unsigned long rate, +			       unsigned long parent_rate) +{ +	struct imx_tve *tve = container_of(hw, struct imx_tve, clk_hw_di); +	unsigned long div; +	u32 val; +	int ret; + +	div = parent_rate / rate; +	if (div >= 4) +		val = TVE_DAC_DIV4_RATE; +	else if (div >= 2) +		val = TVE_DAC_DIV2_RATE; +	else +		val = TVE_DAC_FULL_RATE; + +	ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, +				 TVE_DAC_SAMP_RATE_MASK, val); + +	if (ret < 0) { +		dev_err(tve->dev, "failed to set divider: %d\n", ret); +		return ret; +	} + +	return 0; +} + +static struct clk_ops clk_tve_di_ops = { +	.round_rate = clk_tve_di_round_rate, +	.set_rate = clk_tve_di_set_rate, +	.recalc_rate = clk_tve_di_recalc_rate, +}; + +static int tve_clk_init(struct imx_tve *tve, void __iomem *base) +{ +	const char *tve_di_parent[1]; +	struct clk_init_data init = { +		.name = "tve_di", +		.ops = &clk_tve_di_ops, +		.num_parents = 1, +		.flags = 0, +	}; + +	tve_di_parent[0] = __clk_get_name(tve->clk); +	init.parent_names = (const char **)&tve_di_parent; + +	tve->clk_hw_di.init = &init; +	tve->di_clk = clk_register(tve->dev, &tve->clk_hw_di); +	if (IS_ERR(tve->di_clk)) { +		dev_err(tve->dev, "failed to register TVE output clock: %ld\n", +			PTR_ERR(tve->di_clk)); +		return PTR_ERR(tve->di_clk); +	} + +	return 0; +} + +static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve) +{ +	int encoder_type; +	int ret; + +	encoder_type = tve->mode == TVE_MODE_VGA ? +				DRM_MODE_ENCODER_DAC : DRM_MODE_ENCODER_TVDAC; + +	ret = imx_drm_encoder_parse_of(drm, &tve->encoder, +				       tve->dev->of_node); +	if (ret) +		return ret; + +	drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs); +	drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs, +			 encoder_type); + +	drm_connector_helper_add(&tve->connector, +			&imx_tve_connector_helper_funcs); +	drm_connector_init(drm, &tve->connector, &imx_tve_connector_funcs, +			   DRM_MODE_CONNECTOR_VGA); + +	drm_mode_connector_attach_encoder(&tve->connector, &tve->encoder); + +	return 0; +} + +static bool imx_tve_readable_reg(struct device *dev, unsigned int reg) +{ +	return (reg % 4 == 0) && (reg <= 0xdc); +} + +static struct regmap_config tve_regmap_config = { +	.reg_bits = 32, +	.val_bits = 32, +	.reg_stride = 4, + +	.readable_reg = imx_tve_readable_reg, + +	.lock = tve_lock, +	.unlock = tve_unlock, + +	.max_register = 0xdc, +}; + +static const char *imx_tve_modes[] = { +	[TVE_MODE_TVOUT]  = "tvout", +	[TVE_MODE_VGA] = "vga", +}; + +static const int of_get_tve_mode(struct device_node *np) +{ +	const char *bm; +	int ret, i; + +	ret = of_property_read_string(np, "fsl,tve-mode", &bm); +	if (ret < 0) +		return ret; + +	for (i = 0; i < ARRAY_SIZE(imx_tve_modes); i++) +		if (!strcasecmp(bm, imx_tve_modes[i])) +			return i; + +	return -EINVAL; +} + +static int imx_tve_bind(struct device *dev, struct device *master, void *data) +{ +	struct platform_device *pdev = to_platform_device(dev); +	struct drm_device *drm = data; +	struct device_node *np = dev->of_node; +	struct device_node *ddc_node; +	struct imx_tve *tve; +	struct resource *res; +	void __iomem *base; +	unsigned int val; +	int irq; +	int ret; + +	tve = devm_kzalloc(dev, sizeof(*tve), GFP_KERNEL); +	if (!tve) +		return -ENOMEM; + +	tve->dev = dev; +	spin_lock_init(&tve->lock); + +	ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); +	if (ddc_node) { +		tve->ddc = of_find_i2c_adapter_by_node(ddc_node); +		of_node_put(ddc_node); +	} + +	tve->mode = of_get_tve_mode(np); +	if (tve->mode != TVE_MODE_VGA) { +		dev_err(dev, "only VGA mode supported, currently\n"); +		return -EINVAL; +	} + +	if (tve->mode == TVE_MODE_VGA) { +		ret = of_property_read_u32(np, "fsl,hsync-pin", +					   &tve->hsync_pin); + +		if (ret < 0) { +			dev_err(dev, "failed to get vsync pin\n"); +			return ret; +		} + +		ret |= of_property_read_u32(np, "fsl,vsync-pin", +					    &tve->vsync_pin); + +		if (ret < 0) { +			dev_err(dev, "failed to get vsync pin\n"); +			return ret; +		} +	} + +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0); +	base = devm_ioremap_resource(dev, res); +	if (IS_ERR(base)) +		return PTR_ERR(base); + +	tve_regmap_config.lock_arg = tve; +	tve->regmap = devm_regmap_init_mmio_clk(dev, "tve", base, +						&tve_regmap_config); +	if (IS_ERR(tve->regmap)) { +		dev_err(dev, "failed to init regmap: %ld\n", +			PTR_ERR(tve->regmap)); +		return PTR_ERR(tve->regmap); +	} + +	irq = platform_get_irq(pdev, 0); +	if (irq < 0) { +		dev_err(dev, "failed to get irq\n"); +		return irq; +	} + +	ret = devm_request_threaded_irq(dev, irq, NULL, +					imx_tve_irq_handler, IRQF_ONESHOT, +					"imx-tve", tve); +	if (ret < 0) { +		dev_err(dev, "failed to request irq: %d\n", ret); +		return ret; +	} + +	tve->dac_reg = devm_regulator_get(dev, "dac"); +	if (!IS_ERR(tve->dac_reg)) { +		regulator_set_voltage(tve->dac_reg, 2750000, 2750000); +		ret = regulator_enable(tve->dac_reg); +		if (ret) +			return ret; +	} + +	tve->clk = devm_clk_get(dev, "tve"); +	if (IS_ERR(tve->clk)) { +		dev_err(dev, "failed to get high speed tve clock: %ld\n", +			PTR_ERR(tve->clk)); +		return PTR_ERR(tve->clk); +	} + +	/* this is the IPU DI clock input selector, can be parented to tve_di */ +	tve->di_sel_clk = devm_clk_get(dev, "di_sel"); +	if (IS_ERR(tve->di_sel_clk)) { +		dev_err(dev, "failed to get ipu di mux clock: %ld\n", +			PTR_ERR(tve->di_sel_clk)); +		return PTR_ERR(tve->di_sel_clk); +	} + +	ret = tve_clk_init(tve, base); +	if (ret < 0) +		return ret; + +	ret = regmap_read(tve->regmap, TVE_COM_CONF_REG, &val); +	if (ret < 0) { +		dev_err(dev, "failed to read configuration register: %d\n", ret); +		return ret; +	} +	if (val != 0x00100000) { +		dev_err(dev, "configuration register default value indicates this is not a TVEv2\n"); +		return -ENODEV; +	} + +	/* disable cable detection for VGA mode */ +	ret = regmap_write(tve->regmap, TVE_CD_CONT_REG, 0); + +	ret = imx_tve_register(drm, tve); +	if (ret) +		return ret; + +	dev_set_drvdata(dev, tve); + +	return 0; +} + +static void imx_tve_unbind(struct device *dev, struct device *master, +	void *data) +{ +	struct imx_tve *tve = dev_get_drvdata(dev); + +	tve->connector.funcs->destroy(&tve->connector); +	tve->encoder.funcs->destroy(&tve->encoder); + +	if (!IS_ERR(tve->dac_reg)) +		regulator_disable(tve->dac_reg); +} + +static const struct component_ops imx_tve_ops = { +	.bind	= imx_tve_bind, +	.unbind	= imx_tve_unbind, +}; + +static int imx_tve_probe(struct platform_device *pdev) +{ +	return component_add(&pdev->dev, &imx_tve_ops); +} + +static int imx_tve_remove(struct platform_device *pdev) +{ +	component_del(&pdev->dev, &imx_tve_ops); +	return 0; +} + +static const struct of_device_id imx_tve_dt_ids[] = { +	{ .compatible = "fsl,imx53-tve", }, +	{ /* sentinel */ } +}; + +static struct platform_driver imx_tve_driver = { +	.probe		= imx_tve_probe, +	.remove		= imx_tve_remove, +	.driver		= { +		.of_match_table = imx_tve_dt_ids, +		.name	= "imx-tve", +		.owner	= THIS_MODULE, +	}, +}; + +module_platform_driver(imx_tve_driver); + +MODULE_DESCRIPTION("i.MX Television Encoder driver"); +MODULE_AUTHOR("Philipp Zabel, Pengutronix"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx-tve"); diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c new file mode 100644 index 00000000000..720868bff35 --- /dev/null +++ b/drivers/staging/imx-drm/ipuv3-crtc.c @@ -0,0 +1,515 @@ +/* + * i.MX IPUv3 Graphics driver + * + * Copyright (C) 2011 Sascha Hauer, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ +#include <linux/component.h> +#include <linux/module.h> +#include <linux/export.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <linux/fb.h> +#include <linux/clk.h> +#include <linux/errno.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_fb_cma_helper.h> + +#include <video/imx-ipu-v3.h> +#include "imx-drm.h" +#include "ipuv3-plane.h" + +#define DRIVER_DESC		"i.MX IPUv3 Graphics" + +struct ipu_crtc { +	struct device		*dev; +	struct drm_crtc		base; +	struct imx_drm_crtc	*imx_crtc; + +	/* plane[0] is the full plane, plane[1] is the partial plane */ +	struct ipu_plane	*plane[2]; + +	struct ipu_dc		*dc; +	struct ipu_di		*di; +	int			enabled; +	struct drm_pending_vblank_event *page_flip_event; +	struct drm_framebuffer	*newfb; +	int			irq; +	u32			interface_pix_fmt; +	unsigned long		di_clkflags; +	int			di_hsync_pin; +	int			di_vsync_pin; +}; + +#define to_ipu_crtc(x) container_of(x, struct ipu_crtc, base) + +static void ipu_fb_enable(struct ipu_crtc *ipu_crtc) +{ +	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); + +	if (ipu_crtc->enabled) +		return; + +	ipu_dc_enable(ipu); +	ipu_plane_enable(ipu_crtc->plane[0]); +	/* Start DC channel and DI after IDMAC */ +	ipu_dc_enable_channel(ipu_crtc->dc); +	ipu_di_enable(ipu_crtc->di); + +	ipu_crtc->enabled = 1; +} + +static void ipu_fb_disable(struct ipu_crtc *ipu_crtc) +{ +	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); + +	if (!ipu_crtc->enabled) +		return; + +	/* Stop DC channel and DI before IDMAC */ +	ipu_dc_disable_channel(ipu_crtc->dc); +	ipu_di_disable(ipu_crtc->di); +	ipu_plane_disable(ipu_crtc->plane[0]); +	ipu_dc_disable(ipu); + +	ipu_crtc->enabled = 0; +} + +static void ipu_crtc_dpms(struct drm_crtc *crtc, int mode) +{ +	struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); + +	dev_dbg(ipu_crtc->dev, "%s mode: %d\n", __func__, mode); + +	switch (mode) { +	case DRM_MODE_DPMS_ON: +		ipu_fb_enable(ipu_crtc); +		break; +	case DRM_MODE_DPMS_STANDBY: +	case DRM_MODE_DPMS_SUSPEND: +	case DRM_MODE_DPMS_OFF: +		ipu_fb_disable(ipu_crtc); +		break; +	} +} + +static int ipu_page_flip(struct drm_crtc *crtc, +		struct drm_framebuffer *fb, +		struct drm_pending_vblank_event *event, +		uint32_t page_flip_flags) +{ +	struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); +	int ret; + +	if (ipu_crtc->newfb) +		return -EBUSY; + +	ret = imx_drm_crtc_vblank_get(ipu_crtc->imx_crtc); +	if (ret) { +		dev_dbg(ipu_crtc->dev, "failed to acquire vblank counter\n"); +		list_del(&event->base.link); + +		return ret; +	} + +	ipu_crtc->newfb = fb; +	ipu_crtc->page_flip_event = event; +	crtc->primary->fb = fb; + +	return 0; +} + +static const struct drm_crtc_funcs ipu_crtc_funcs = { +	.set_config = drm_crtc_helper_set_config, +	.destroy = drm_crtc_cleanup, +	.page_flip = ipu_page_flip, +}; + +static int ipu_crtc_mode_set(struct drm_crtc *crtc, +			       struct drm_display_mode *orig_mode, +			       struct drm_display_mode *mode, +			       int x, int y, +			       struct drm_framebuffer *old_fb) +{ +	struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); +	int ret; +	struct ipu_di_signal_cfg sig_cfg = {}; +	u32 out_pixel_fmt; + +	dev_dbg(ipu_crtc->dev, "%s: mode->hdisplay: %d\n", __func__, +			mode->hdisplay); +	dev_dbg(ipu_crtc->dev, "%s: mode->vdisplay: %d\n", __func__, +			mode->vdisplay); + +	out_pixel_fmt = ipu_crtc->interface_pix_fmt; + +	if (mode->flags & DRM_MODE_FLAG_INTERLACE) +		sig_cfg.interlaced = 1; +	if (mode->flags & DRM_MODE_FLAG_PHSYNC) +		sig_cfg.Hsync_pol = 1; +	if (mode->flags & DRM_MODE_FLAG_PVSYNC) +		sig_cfg.Vsync_pol = 1; + +	sig_cfg.enable_pol = 1; +	sig_cfg.clk_pol = 0; +	sig_cfg.width = mode->hdisplay; +	sig_cfg.height = mode->vdisplay; +	sig_cfg.pixel_fmt = out_pixel_fmt; +	sig_cfg.h_start_width = mode->htotal - mode->hsync_end; +	sig_cfg.h_sync_width = mode->hsync_end - mode->hsync_start; +	sig_cfg.h_end_width = mode->hsync_start - mode->hdisplay; + +	sig_cfg.v_start_width = mode->vtotal - mode->vsync_end; +	sig_cfg.v_sync_width = mode->vsync_end - mode->vsync_start; +	sig_cfg.v_end_width = mode->vsync_start - mode->vdisplay; +	sig_cfg.pixelclock = mode->clock * 1000; +	sig_cfg.clkflags = ipu_crtc->di_clkflags; + +	sig_cfg.v_to_h_sync = 0; + +	sig_cfg.hsync_pin = ipu_crtc->di_hsync_pin; +	sig_cfg.vsync_pin = ipu_crtc->di_vsync_pin; + +	ret = ipu_dc_init_sync(ipu_crtc->dc, ipu_crtc->di, sig_cfg.interlaced, +			out_pixel_fmt, mode->hdisplay); +	if (ret) { +		dev_err(ipu_crtc->dev, +				"initializing display controller failed with %d\n", +				ret); +		return ret; +	} + +	ret = ipu_di_init_sync_panel(ipu_crtc->di, &sig_cfg); +	if (ret) { +		dev_err(ipu_crtc->dev, +				"initializing panel failed with %d\n", ret); +		return ret; +	} + +	return ipu_plane_mode_set(ipu_crtc->plane[0], crtc, mode, crtc->primary->fb, +				  0, 0, mode->hdisplay, mode->vdisplay, +				  x, y, mode->hdisplay, mode->vdisplay); +} + +static void ipu_crtc_handle_pageflip(struct ipu_crtc *ipu_crtc) +{ +	unsigned long flags; +	struct drm_device *drm = ipu_crtc->base.dev; + +	spin_lock_irqsave(&drm->event_lock, flags); +	if (ipu_crtc->page_flip_event) +		drm_send_vblank_event(drm, -1, ipu_crtc->page_flip_event); +	ipu_crtc->page_flip_event = NULL; +	imx_drm_crtc_vblank_put(ipu_crtc->imx_crtc); +	spin_unlock_irqrestore(&drm->event_lock, flags); +} + +static irqreturn_t ipu_irq_handler(int irq, void *dev_id) +{ +	struct ipu_crtc *ipu_crtc = dev_id; + +	imx_drm_handle_vblank(ipu_crtc->imx_crtc); + +	if (ipu_crtc->newfb) { +		ipu_crtc->newfb = NULL; +		ipu_plane_set_base(ipu_crtc->plane[0], ipu_crtc->base.primary->fb, +				ipu_crtc->plane[0]->x, ipu_crtc->plane[0]->y); +		ipu_crtc_handle_pageflip(ipu_crtc); +	} + +	return IRQ_HANDLED; +} + +static bool ipu_crtc_mode_fixup(struct drm_crtc *crtc, +				  const struct drm_display_mode *mode, +				  struct drm_display_mode *adjusted_mode) +{ +	return true; +} + +static void ipu_crtc_prepare(struct drm_crtc *crtc) +{ +	struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); + +	ipu_fb_disable(ipu_crtc); +} + +static void ipu_crtc_commit(struct drm_crtc *crtc) +{ +	struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); + +	ipu_fb_enable(ipu_crtc); +} + +static struct drm_crtc_helper_funcs ipu_helper_funcs = { +	.dpms = ipu_crtc_dpms, +	.mode_fixup = ipu_crtc_mode_fixup, +	.mode_set = ipu_crtc_mode_set, +	.prepare = ipu_crtc_prepare, +	.commit = ipu_crtc_commit, +}; + +static int ipu_enable_vblank(struct drm_crtc *crtc) +{ +	return 0; +} + +static void ipu_disable_vblank(struct drm_crtc *crtc) +{ +	struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); + +	ipu_crtc->page_flip_event = NULL; +	ipu_crtc->newfb = NULL; +} + +static int ipu_set_interface_pix_fmt(struct drm_crtc *crtc, u32 encoder_type, +		u32 pixfmt, int hsync_pin, int vsync_pin) +{ +	struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); + +	ipu_crtc->interface_pix_fmt = pixfmt; +	ipu_crtc->di_hsync_pin = hsync_pin; +	ipu_crtc->di_vsync_pin = vsync_pin; + +	switch (encoder_type) { +	case DRM_MODE_ENCODER_DAC: +	case DRM_MODE_ENCODER_TVDAC: +	case DRM_MODE_ENCODER_LVDS: +		ipu_crtc->di_clkflags = IPU_DI_CLKMODE_SYNC | +			IPU_DI_CLKMODE_EXT; +		break; +	case DRM_MODE_ENCODER_TMDS: +	case DRM_MODE_ENCODER_NONE: +		ipu_crtc->di_clkflags = 0; +		break; +	} + +	return 0; +} + +static const struct imx_drm_crtc_helper_funcs ipu_crtc_helper_funcs = { +	.enable_vblank = ipu_enable_vblank, +	.disable_vblank = ipu_disable_vblank, +	.set_interface_pix_fmt = ipu_set_interface_pix_fmt, +	.crtc_funcs = &ipu_crtc_funcs, +	.crtc_helper_funcs = &ipu_helper_funcs, +}; + +static void ipu_put_resources(struct ipu_crtc *ipu_crtc) +{ +	if (!IS_ERR_OR_NULL(ipu_crtc->dc)) +		ipu_dc_put(ipu_crtc->dc); +	if (!IS_ERR_OR_NULL(ipu_crtc->di)) +		ipu_di_put(ipu_crtc->di); +} + +static int ipu_get_resources(struct ipu_crtc *ipu_crtc, +		struct ipu_client_platformdata *pdata) +{ +	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); +	int ret; + +	ipu_crtc->dc = ipu_dc_get(ipu, pdata->dc); +	if (IS_ERR(ipu_crtc->dc)) { +		ret = PTR_ERR(ipu_crtc->dc); +		goto err_out; +	} + +	ipu_crtc->di = ipu_di_get(ipu, pdata->di); +	if (IS_ERR(ipu_crtc->di)) { +		ret = PTR_ERR(ipu_crtc->di); +		goto err_out; +	} + +	return 0; +err_out: +	ipu_put_resources(ipu_crtc); + +	return ret; +} + +static int ipu_crtc_init(struct ipu_crtc *ipu_crtc, +	struct ipu_client_platformdata *pdata, struct drm_device *drm) +{ +	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); +	int dp = -EINVAL; +	int ret; +	int id; + +	ret = ipu_get_resources(ipu_crtc, pdata); +	if (ret) { +		dev_err(ipu_crtc->dev, "getting resources failed with %d.\n", +				ret); +		return ret; +	} + +	ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc, +			&ipu_crtc_helper_funcs, ipu_crtc->dev->of_node); +	if (ret) { +		dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret); +		goto err_put_resources; +	} + +	if (pdata->dp >= 0) +		dp = IPU_DP_FLOW_SYNC_BG; +	id = imx_drm_crtc_id(ipu_crtc->imx_crtc); +	ipu_crtc->plane[0] = ipu_plane_init(ipu_crtc->base.dev, ipu, +					    pdata->dma[0], dp, BIT(id), true); +	ret = ipu_plane_get_resources(ipu_crtc->plane[0]); +	if (ret) { +		dev_err(ipu_crtc->dev, "getting plane 0 resources failed with %d.\n", +			ret); +		goto err_remove_crtc; +	} + +	/* If this crtc is using the DP, add an overlay plane */ +	if (pdata->dp >= 0 && pdata->dma[1] > 0) { +		ipu_crtc->plane[1] = ipu_plane_init(ipu_crtc->base.dev, ipu, +						    pdata->dma[1], +						    IPU_DP_FLOW_SYNC_FG, +						    BIT(id), false); +		if (IS_ERR(ipu_crtc->plane[1])) +			ipu_crtc->plane[1] = NULL; +	} + +	ipu_crtc->irq = ipu_plane_irq(ipu_crtc->plane[0]); +	ret = devm_request_irq(ipu_crtc->dev, ipu_crtc->irq, ipu_irq_handler, 0, +			"imx_drm", ipu_crtc); +	if (ret < 0) { +		dev_err(ipu_crtc->dev, "irq request failed with %d.\n", ret); +		goto err_put_plane_res; +	} + +	return 0; + +err_put_plane_res: +	ipu_plane_put_resources(ipu_crtc->plane[0]); +err_remove_crtc: +	imx_drm_remove_crtc(ipu_crtc->imx_crtc); +err_put_resources: +	ipu_put_resources(ipu_crtc); + +	return ret; +} + +static struct device_node *ipu_drm_get_port_by_id(struct device_node *parent, +						  int port_id) +{ +	struct device_node *port; +	int id, ret; + +	port = of_get_child_by_name(parent, "port"); +	while (port) { +		ret = of_property_read_u32(port, "reg", &id); +		if (!ret && id == port_id) +			return port; + +		do { +			port = of_get_next_child(parent, port); +			if (!port) +				return NULL; +		} while (of_node_cmp(port->name, "port")); +	} + +	return NULL; +} + +static int ipu_drm_bind(struct device *dev, struct device *master, void *data) +{ +	struct ipu_client_platformdata *pdata = dev->platform_data; +	struct drm_device *drm = data; +	struct ipu_crtc *ipu_crtc; +	int ret; + +	ipu_crtc = devm_kzalloc(dev, sizeof(*ipu_crtc), GFP_KERNEL); +	if (!ipu_crtc) +		return -ENOMEM; + +	ipu_crtc->dev = dev; + +	ret = ipu_crtc_init(ipu_crtc, pdata, drm); +	if (ret) +		return ret; + +	dev_set_drvdata(dev, ipu_crtc); + +	return 0; +} + +static void ipu_drm_unbind(struct device *dev, struct device *master, +	void *data) +{ +	struct ipu_crtc *ipu_crtc = dev_get_drvdata(dev); + +	imx_drm_remove_crtc(ipu_crtc->imx_crtc); + +	ipu_plane_put_resources(ipu_crtc->plane[0]); +	ipu_put_resources(ipu_crtc); +} + +static const struct component_ops ipu_crtc_ops = { +	.bind = ipu_drm_bind, +	.unbind = ipu_drm_unbind, +}; + +static int ipu_drm_probe(struct platform_device *pdev) +{ +	struct device *dev = &pdev->dev; +	struct ipu_client_platformdata *pdata = dev->platform_data; +	int ret; + +	if (!dev->platform_data) +		return -EINVAL; + +	if (!dev->of_node) { +		/* Associate crtc device with the corresponding DI port node */ +		dev->of_node = ipu_drm_get_port_by_id(dev->parent->of_node, +						      pdata->di + 2); +		if (!dev->of_node) { +			dev_err(dev, "missing port@%d node in %s\n", +				pdata->di + 2, dev->parent->of_node->full_name); +			return -ENODEV; +		} +	} + +	ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); +	if (ret) +		return ret; + +	return component_add(dev, &ipu_crtc_ops); +} + +static int ipu_drm_remove(struct platform_device *pdev) +{ +	component_del(&pdev->dev, &ipu_crtc_ops); +	return 0; +} + +static struct platform_driver ipu_drm_driver = { +	.driver = { +		.name = "imx-ipuv3-crtc", +	}, +	.probe = ipu_drm_probe, +	.remove = ipu_drm_remove, +}; +module_platform_driver(ipu_drm_driver); + +MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx-ipuv3-crtc"); diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c new file mode 100644 index 00000000000..6f393a11f44 --- /dev/null +++ b/drivers/staging/imx-drm/ipuv3-plane.c @@ -0,0 +1,387 @@ +/* + * i.MX IPUv3 DP Overlay Planes + * + * Copyright (C) 2013 Philipp Zabel, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + */ + +#include <drm/drmP.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> + +#include "video/imx-ipu-v3.h" +#include "ipuv3-plane.h" + +#define to_ipu_plane(x)	container_of(x, struct ipu_plane, base) + +static const uint32_t ipu_plane_formats[] = { +	DRM_FORMAT_XRGB1555, +	DRM_FORMAT_XBGR1555, +	DRM_FORMAT_ARGB8888, +	DRM_FORMAT_XRGB8888, +	DRM_FORMAT_ABGR8888, +	DRM_FORMAT_XBGR8888, +	DRM_FORMAT_YUYV, +	DRM_FORMAT_YVYU, +	DRM_FORMAT_YUV420, +	DRM_FORMAT_YVU420, +}; + +int ipu_plane_irq(struct ipu_plane *ipu_plane) +{ +	return ipu_idmac_channel_irq(ipu_plane->ipu, ipu_plane->ipu_ch, +				     IPU_IRQ_EOF); +} + +static int calc_vref(struct drm_display_mode *mode) +{ +	unsigned long htotal, vtotal; + +	htotal = mode->htotal; +	vtotal = mode->vtotal; + +	if (!htotal || !vtotal) +		return 60; + +	return DIV_ROUND_UP(mode->clock * 1000, vtotal * htotal); +} + +static inline int calc_bandwidth(int width, int height, unsigned int vref) +{ +	return width * height * vref; +} + +int ipu_plane_set_base(struct ipu_plane *ipu_plane, struct drm_framebuffer *fb, +		       int x, int y) +{ +	struct ipu_ch_param __iomem *cpmem; +	struct drm_gem_cma_object *cma_obj; +	unsigned long eba; + +	cma_obj = drm_fb_cma_get_gem_obj(fb, 0); +	if (!cma_obj) { +		DRM_DEBUG_KMS("entry is null.\n"); +		return -EFAULT; +	} + +	dev_dbg(ipu_plane->base.dev->dev, "phys = %pad, x = %d, y = %d", +		&cma_obj->paddr, x, y); + +	cpmem = ipu_get_cpmem(ipu_plane->ipu_ch); +	ipu_cpmem_set_stride(cpmem, fb->pitches[0]); + +	eba = cma_obj->paddr + fb->offsets[0] + +	      fb->pitches[0] * y + (fb->bits_per_pixel >> 3) * x; +	ipu_cpmem_set_buffer(cpmem, 0, eba); +	ipu_cpmem_set_buffer(cpmem, 1, eba); + +	/* cache offsets for subsequent pageflips */ +	ipu_plane->x = x; +	ipu_plane->y = y; + +	return 0; +} + +int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, +		       struct drm_display_mode *mode, +		       struct drm_framebuffer *fb, int crtc_x, int crtc_y, +		       unsigned int crtc_w, unsigned int crtc_h, +		       uint32_t src_x, uint32_t src_y, +		       uint32_t src_w, uint32_t src_h) +{ +	struct ipu_ch_param __iomem *cpmem; +	struct device *dev = ipu_plane->base.dev->dev; +	int ret; + +	/* no scaling */ +	if (src_w != crtc_w || src_h != crtc_h) +		return -EINVAL; + +	/* clip to crtc bounds */ +	if (crtc_x < 0) { +		if (-crtc_x > crtc_w) +			return -EINVAL; +		src_x += -crtc_x; +		src_w -= -crtc_x; +		crtc_w -= -crtc_x; +		crtc_x = 0; +	} +	if (crtc_y < 0) { +		if (-crtc_y > crtc_h) +			return -EINVAL; +		src_y += -crtc_y; +		src_h -= -crtc_y; +		crtc_h -= -crtc_y; +		crtc_y = 0; +	} +	if (crtc_x + crtc_w > mode->hdisplay) { +		if (crtc_x > mode->hdisplay) +			return -EINVAL; +		crtc_w = mode->hdisplay - crtc_x; +		src_w = crtc_w; +	} +	if (crtc_y + crtc_h > mode->vdisplay) { +		if (crtc_y > mode->vdisplay) +			return -EINVAL; +		crtc_h = mode->vdisplay - crtc_y; +		src_h = crtc_h; +	} +	/* full plane minimum width is 13 pixels */ +	if (crtc_w < 13 && (ipu_plane->dp_flow != IPU_DP_FLOW_SYNC_FG)) +		return -EINVAL; +	if (crtc_h < 2) +		return -EINVAL; + +	switch (ipu_plane->dp_flow) { +	case IPU_DP_FLOW_SYNC_BG: +		ret = ipu_dp_setup_channel(ipu_plane->dp, +				IPUV3_COLORSPACE_RGB, +				IPUV3_COLORSPACE_RGB); +		if (ret) { +			dev_err(dev, +				"initializing display processor failed with %d\n", +				ret); +			return ret; +		} +		ipu_dp_set_global_alpha(ipu_plane->dp, 1, 0, 1); +		break; +	case IPU_DP_FLOW_SYNC_FG: +		ipu_dp_setup_channel(ipu_plane->dp, +				ipu_drm_fourcc_to_colorspace(fb->pixel_format), +				IPUV3_COLORSPACE_UNKNOWN); +		ipu_dp_set_window_pos(ipu_plane->dp, crtc_x, crtc_y); +		break; +	} + +	ret = ipu_dmfc_init_channel(ipu_plane->dmfc, crtc_w); +	if (ret) { +		dev_err(dev, "initializing dmfc channel failed with %d\n", ret); +		return ret; +	} + +	ret = ipu_dmfc_alloc_bandwidth(ipu_plane->dmfc, +			calc_bandwidth(crtc_w, crtc_h, +				       calc_vref(mode)), 64); +	if (ret) { +		dev_err(dev, "allocating dmfc bandwidth failed with %d\n", ret); +		return ret; +	} + +	cpmem = ipu_get_cpmem(ipu_plane->ipu_ch); +	ipu_ch_param_zero(cpmem); +	ipu_cpmem_set_resolution(cpmem, src_w, src_h); +	ret = ipu_cpmem_set_fmt(cpmem, fb->pixel_format); +	if (ret < 0) { +		dev_err(dev, "unsupported pixel format 0x%08x\n", +			fb->pixel_format); +		return ret; +	} +	ipu_cpmem_set_high_priority(ipu_plane->ipu_ch); + +	ret = ipu_plane_set_base(ipu_plane, fb, src_x, src_y); +	if (ret < 0) +		return ret; + +	return 0; +} + +void ipu_plane_put_resources(struct ipu_plane *ipu_plane) +{ +	if (!IS_ERR_OR_NULL(ipu_plane->dp)) +		ipu_dp_put(ipu_plane->dp); +	if (!IS_ERR_OR_NULL(ipu_plane->dmfc)) +		ipu_dmfc_put(ipu_plane->dmfc); +	if (!IS_ERR_OR_NULL(ipu_plane->ipu_ch)) +		ipu_idmac_put(ipu_plane->ipu_ch); +} + +int ipu_plane_get_resources(struct ipu_plane *ipu_plane) +{ +	int ret; + +	ipu_plane->ipu_ch = ipu_idmac_get(ipu_plane->ipu, ipu_plane->dma); +	if (IS_ERR(ipu_plane->ipu_ch)) { +		ret = PTR_ERR(ipu_plane->ipu_ch); +		DRM_ERROR("failed to get idmac channel: %d\n", ret); +		return ret; +	} + +	ipu_plane->dmfc = ipu_dmfc_get(ipu_plane->ipu, ipu_plane->dma); +	if (IS_ERR(ipu_plane->dmfc)) { +		ret = PTR_ERR(ipu_plane->dmfc); +		DRM_ERROR("failed to get dmfc: ret %d\n", ret); +		goto err_out; +	} + +	if (ipu_plane->dp_flow >= 0) { +		ipu_plane->dp = ipu_dp_get(ipu_plane->ipu, ipu_plane->dp_flow); +		if (IS_ERR(ipu_plane->dp)) { +			ret = PTR_ERR(ipu_plane->dp); +			DRM_ERROR("failed to get dp flow: %d\n", ret); +			goto err_out; +		} +	} + +	return 0; +err_out: +	ipu_plane_put_resources(ipu_plane); + +	return ret; +} + +void ipu_plane_enable(struct ipu_plane *ipu_plane) +{ +	if (ipu_plane->dp) +		ipu_dp_enable(ipu_plane->ipu); +	ipu_dmfc_enable_channel(ipu_plane->dmfc); +	ipu_idmac_enable_channel(ipu_plane->ipu_ch); +	if (ipu_plane->dp) +		ipu_dp_enable_channel(ipu_plane->dp); + +	ipu_plane->enabled = true; +} + +void ipu_plane_disable(struct ipu_plane *ipu_plane) +{ +	ipu_plane->enabled = false; + +	ipu_idmac_wait_busy(ipu_plane->ipu_ch, 50); + +	if (ipu_plane->dp) +		ipu_dp_disable_channel(ipu_plane->dp); +	ipu_idmac_disable_channel(ipu_plane->ipu_ch); +	ipu_dmfc_disable_channel(ipu_plane->dmfc); +	if (ipu_plane->dp) +		ipu_dp_disable(ipu_plane->ipu); +} + +static void ipu_plane_dpms(struct ipu_plane *ipu_plane, int mode) +{ +	bool enable; + +	DRM_DEBUG_KMS("mode = %d", mode); + +	enable = (mode == DRM_MODE_DPMS_ON); + +	if (enable == ipu_plane->enabled) +		return; + +	if (enable) { +		ipu_plane_enable(ipu_plane); +	} else { +		ipu_plane_disable(ipu_plane); + +		ipu_idmac_put(ipu_plane->ipu_ch); +		ipu_dmfc_put(ipu_plane->dmfc); +		ipu_dp_put(ipu_plane->dp); +	} +} + +/* + * drm_plane API + */ + +static int ipu_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, +			    struct drm_framebuffer *fb, int crtc_x, int crtc_y, +			    unsigned int crtc_w, unsigned int crtc_h, +			    uint32_t src_x, uint32_t src_y, +			    uint32_t src_w, uint32_t src_h) +{ +	struct ipu_plane *ipu_plane = to_ipu_plane(plane); +	int ret = 0; + +	DRM_DEBUG_KMS("plane - %p\n", plane); + +	if (!ipu_plane->enabled) +		ret = ipu_plane_get_resources(ipu_plane); +	if (ret < 0) +		return ret; + +	ret = ipu_plane_mode_set(ipu_plane, crtc, &crtc->hwmode, fb, +			crtc_x, crtc_y, crtc_w, crtc_h, +			src_x >> 16, src_y >> 16, src_w >> 16, src_h >> 16); +	if (ret < 0) { +		ipu_plane_put_resources(ipu_plane); +		return ret; +	} + +	if (crtc != plane->crtc) +		dev_info(plane->dev->dev, "crtc change: %p -> %p\n", +				plane->crtc, crtc); +	plane->crtc = crtc; + +	ipu_plane_dpms(ipu_plane, DRM_MODE_DPMS_ON); + +	return 0; +} + +static int ipu_disable_plane(struct drm_plane *plane) +{ +	struct ipu_plane *ipu_plane = to_ipu_plane(plane); + +	DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + +	ipu_plane_dpms(ipu_plane, DRM_MODE_DPMS_OFF); + +	ipu_plane_put_resources(ipu_plane); + +	return 0; +} + +static void ipu_plane_destroy(struct drm_plane *plane) +{ +	struct ipu_plane *ipu_plane = to_ipu_plane(plane); + +	DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + +	ipu_disable_plane(plane); +	drm_plane_cleanup(plane); +	kfree(ipu_plane); +} + +static struct drm_plane_funcs ipu_plane_funcs = { +	.update_plane	= ipu_update_plane, +	.disable_plane	= ipu_disable_plane, +	.destroy	= ipu_plane_destroy, +}; + +struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, +				 int dma, int dp, unsigned int possible_crtcs, +				 bool priv) +{ +	struct ipu_plane *ipu_plane; +	int ret; + +	DRM_DEBUG_KMS("channel %d, dp flow %d, possible_crtcs=0x%x\n", +		      dma, dp, possible_crtcs); + +	ipu_plane = kzalloc(sizeof(*ipu_plane), GFP_KERNEL); +	if (!ipu_plane) { +		DRM_ERROR("failed to allocate plane\n"); +		return ERR_PTR(-ENOMEM); +	} + +	ipu_plane->ipu = ipu; +	ipu_plane->dma = dma; +	ipu_plane->dp_flow = dp; + +	ret = drm_plane_init(dev, &ipu_plane->base, possible_crtcs, +			     &ipu_plane_funcs, ipu_plane_formats, +			     ARRAY_SIZE(ipu_plane_formats), +			     priv); +	if (ret) { +		DRM_ERROR("failed to initialize plane\n"); +		kfree(ipu_plane); +		return ERR_PTR(ret); +	} + +	return ipu_plane; +} diff --git a/drivers/staging/imx-drm/ipuv3-plane.h b/drivers/staging/imx-drm/ipuv3-plane.h new file mode 100644 index 00000000000..c0aae5bcb5d --- /dev/null +++ b/drivers/staging/imx-drm/ipuv3-plane.h @@ -0,0 +1,55 @@ +#ifndef __IPUV3_PLANE_H__ +#define __IPUV3_PLANE_H__ + +#include <drm/drm_crtc.h> /* drm_plane */ + +struct drm_plane; +struct drm_device; +struct ipu_soc; +struct drm_crtc; +struct drm_framebuffer; + +struct ipuv3_channel; +struct dmfc_channel; +struct ipu_dp; + +struct ipu_plane { +	struct drm_plane	base; + +	struct ipu_soc		*ipu; +	struct ipuv3_channel	*ipu_ch; +	struct dmfc_channel	*dmfc; +	struct ipu_dp		*dp; + +	int			dma; +	int			dp_flow; + +	int			x; +	int			y; + +	bool			enabled; +}; + +struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, +				 int dma, int dp, unsigned int possible_crtcs, +				 bool priv); + +/* Init IDMAC, DMFC, DP */ +int ipu_plane_mode_set(struct ipu_plane *plane, struct drm_crtc *crtc, +		       struct drm_display_mode *mode, +		       struct drm_framebuffer *fb, int crtc_x, int crtc_y, +		       unsigned int crtc_w, unsigned int crtc_h, +		       uint32_t src_x, uint32_t src_y, uint32_t src_w, +		       uint32_t src_h); + +void ipu_plane_enable(struct ipu_plane *plane); +void ipu_plane_disable(struct ipu_plane *plane); +int ipu_plane_set_base(struct ipu_plane *plane, struct drm_framebuffer *fb, +		       int x, int y); + +int ipu_plane_get_resources(struct ipu_plane *plane); +void ipu_plane_put_resources(struct ipu_plane *plane); + +int ipu_plane_irq(struct ipu_plane *plane); + +#endif diff --git a/drivers/staging/imx-drm/parallel-display.c b/drivers/staging/imx-drm/parallel-display.c new file mode 100644 index 00000000000..4ca61afdf62 --- /dev/null +++ b/drivers/staging/imx-drm/parallel-display.c @@ -0,0 +1,293 @@ +/* + * i.MX drm driver - parallel display implementation + * + * Copyright (C) 2012 Sascha Hauer, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <linux/component.h> +#include <linux/module.h> +#include <drm/drmP.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_panel.h> +#include <linux/videodev2.h> +#include <video/of_display_timing.h> + +#include "imx-drm.h" + +#define con_to_imxpd(x) container_of(x, struct imx_parallel_display, connector) +#define enc_to_imxpd(x) container_of(x, struct imx_parallel_display, encoder) + +struct imx_parallel_display { +	struct drm_connector connector; +	struct drm_encoder encoder; +	struct device *dev; +	void *edid; +	int edid_len; +	u32 interface_pix_fmt; +	int mode_valid; +	struct drm_display_mode mode; +	struct drm_panel *panel; +}; + +static enum drm_connector_status imx_pd_connector_detect( +		struct drm_connector *connector, bool force) +{ +	return connector_status_connected; +} + +static int imx_pd_connector_get_modes(struct drm_connector *connector) +{ +	struct imx_parallel_display *imxpd = con_to_imxpd(connector); +	struct device_node *np = imxpd->dev->of_node; +	int num_modes = 0; + +	if (imxpd->panel && imxpd->panel->funcs && +	    imxpd->panel->funcs->get_modes) { +		num_modes = imxpd->panel->funcs->get_modes(imxpd->panel); +		if (num_modes > 0) +			return num_modes; +	} + +	if (imxpd->edid) { +		drm_mode_connector_update_edid_property(connector, imxpd->edid); +		num_modes = drm_add_edid_modes(connector, imxpd->edid); +	} + +	if (imxpd->mode_valid) { +		struct drm_display_mode *mode = drm_mode_create(connector->dev); +		if (!mode) +			return -EINVAL; +		drm_mode_copy(mode, &imxpd->mode); +		mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +		drm_mode_probed_add(connector, mode); +		num_modes++; +	} + +	if (np) { +		struct drm_display_mode *mode = drm_mode_create(connector->dev); +		if (!mode) +			return -EINVAL; +		of_get_drm_display_mode(np, &imxpd->mode, OF_USE_NATIVE_MODE); +		drm_mode_copy(mode, &imxpd->mode); +		mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +		drm_mode_probed_add(connector, mode); +		num_modes++; +	} + +	return num_modes; +} + +static struct drm_encoder *imx_pd_connector_best_encoder( +		struct drm_connector *connector) +{ +	struct imx_parallel_display *imxpd = con_to_imxpd(connector); + +	return &imxpd->encoder; +} + +static void imx_pd_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +	struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); + +	if (mode != DRM_MODE_DPMS_ON) +		drm_panel_disable(imxpd->panel); +	else +		drm_panel_enable(imxpd->panel); +} + +static bool imx_pd_encoder_mode_fixup(struct drm_encoder *encoder, +			   const struct drm_display_mode *mode, +			   struct drm_display_mode *adjusted_mode) +{ +	return true; +} + +static void imx_pd_encoder_prepare(struct drm_encoder *encoder) +{ +	struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); + +	imx_drm_panel_format(encoder, imxpd->interface_pix_fmt); +} + +static void imx_pd_encoder_commit(struct drm_encoder *encoder) +{ +} + +static void imx_pd_encoder_mode_set(struct drm_encoder *encoder, +			 struct drm_display_mode *mode, +			 struct drm_display_mode *adjusted_mode) +{ +} + +static void imx_pd_encoder_disable(struct drm_encoder *encoder) +{ +} + +static struct drm_connector_funcs imx_pd_connector_funcs = { +	.dpms = drm_helper_connector_dpms, +	.fill_modes = drm_helper_probe_single_connector_modes, +	.detect = imx_pd_connector_detect, +	.destroy = imx_drm_connector_destroy, +}; + +static struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = { +	.get_modes = imx_pd_connector_get_modes, +	.best_encoder = imx_pd_connector_best_encoder, +}; + +static struct drm_encoder_funcs imx_pd_encoder_funcs = { +	.destroy = imx_drm_encoder_destroy, +}; + +static struct drm_encoder_helper_funcs imx_pd_encoder_helper_funcs = { +	.dpms = imx_pd_encoder_dpms, +	.mode_fixup = imx_pd_encoder_mode_fixup, +	.prepare = imx_pd_encoder_prepare, +	.commit = imx_pd_encoder_commit, +	.mode_set = imx_pd_encoder_mode_set, +	.disable = imx_pd_encoder_disable, +}; + +static int imx_pd_register(struct drm_device *drm, +	struct imx_parallel_display *imxpd) +{ +	int ret; + +	ret = imx_drm_encoder_parse_of(drm, &imxpd->encoder, +				       imxpd->dev->of_node); +	if (ret) +		return ret; + +	/* set the connector's dpms to OFF so that +	 * drm_helper_connector_dpms() won't return +	 * immediately since the current state is ON +	 * at this point. +	 */ +	imxpd->connector.dpms = DRM_MODE_DPMS_OFF; + +	drm_encoder_helper_add(&imxpd->encoder, &imx_pd_encoder_helper_funcs); +	drm_encoder_init(drm, &imxpd->encoder, &imx_pd_encoder_funcs, +			 DRM_MODE_ENCODER_NONE); + +	drm_connector_helper_add(&imxpd->connector, +			&imx_pd_connector_helper_funcs); +	drm_connector_init(drm, &imxpd->connector, &imx_pd_connector_funcs, +			   DRM_MODE_CONNECTOR_VGA); + +	if (imxpd->panel) +		drm_panel_attach(imxpd->panel, &imxpd->connector); + +	drm_mode_connector_attach_encoder(&imxpd->connector, &imxpd->encoder); + +	imxpd->connector.encoder = &imxpd->encoder; + +	return 0; +} + +static int imx_pd_bind(struct device *dev, struct device *master, void *data) +{ +	struct drm_device *drm = data; +	struct device_node *np = dev->of_node; +	struct device_node *panel_node; +	const u8 *edidp; +	struct imx_parallel_display *imxpd; +	int ret; +	const char *fmt; + +	imxpd = devm_kzalloc(dev, sizeof(*imxpd), GFP_KERNEL); +	if (!imxpd) +		return -ENOMEM; + +	edidp = of_get_property(np, "edid", &imxpd->edid_len); +	if (edidp) +		imxpd->edid = kmemdup(edidp, imxpd->edid_len, GFP_KERNEL); + +	ret = of_property_read_string(np, "interface-pix-fmt", &fmt); +	if (!ret) { +		if (!strcmp(fmt, "rgb24")) +			imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB24; +		else if (!strcmp(fmt, "rgb565")) +			imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB565; +		else if (!strcmp(fmt, "bgr666")) +			imxpd->interface_pix_fmt = V4L2_PIX_FMT_BGR666; +		else if (!strcmp(fmt, "lvds666")) +			imxpd->interface_pix_fmt = v4l2_fourcc('L', 'V', 'D', '6'); +	} + +	panel_node = of_parse_phandle(np, "fsl,panel", 0); +	if (panel_node) +		imxpd->panel = of_drm_find_panel(panel_node); + +	imxpd->dev = dev; + +	ret = imx_pd_register(drm, imxpd); +	if (ret) +		return ret; + +	dev_set_drvdata(dev, imxpd); + +	return 0; +} + +static void imx_pd_unbind(struct device *dev, struct device *master, +	void *data) +{ +	struct imx_parallel_display *imxpd = dev_get_drvdata(dev); + +	imxpd->encoder.funcs->destroy(&imxpd->encoder); +	imxpd->connector.funcs->destroy(&imxpd->connector); +} + +static const struct component_ops imx_pd_ops = { +	.bind	= imx_pd_bind, +	.unbind	= imx_pd_unbind, +}; + +static int imx_pd_probe(struct platform_device *pdev) +{ +	return component_add(&pdev->dev, &imx_pd_ops); +} + +static int imx_pd_remove(struct platform_device *pdev) +{ +	component_del(&pdev->dev, &imx_pd_ops); +	return 0; +} + +static const struct of_device_id imx_pd_dt_ids[] = { +	{ .compatible = "fsl,imx-parallel-display", }, +	{ /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_pd_dt_ids); + +static struct platform_driver imx_pd_driver = { +	.probe		= imx_pd_probe, +	.remove		= imx_pd_remove, +	.driver		= { +		.of_match_table = imx_pd_dt_ids, +		.name	= "imx-parallel-display", +		.owner	= THIS_MODULE, +	}, +}; + +module_platform_driver(imx_pd_driver); + +MODULE_DESCRIPTION("i.MX parallel display driver"); +MODULE_AUTHOR("Sascha Hauer, Pengutronix"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx-parallel-display");  | 
