diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 319 |
1 files changed, 217 insertions, 102 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index e685e1e3305..06cde450627 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -6,43 +6,49 @@ * Joonyoung Shim <jy0922.shim@samsung.com> * Seung-Woo Kim <sw0312.kim@samsung.com> * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. + * 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 _EXYNOS_DRM_DRV_H_ #define _EXYNOS_DRM_DRV_H_ #include <linux/module.h> -#include "drm.h" -#define MAX_CRTC 2 +#define MAX_CRTC 3 #define MAX_PLANE 5 -#define MAX_FB_BUFFER 3 +#define MAX_FB_BUFFER 4 #define DEFAULT_ZPOS -1 +#define _wait_for(COND, MS) ({ \ + unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \ + int ret__ = 0; \ + while (!(COND)) { \ + if (time_after(jiffies, timeout__)) { \ + ret__ = -ETIMEDOUT; \ + break; \ + } \ + } \ + ret__; \ +}) + +#define wait_for(COND, MS) _wait_for(COND, MS) + struct drm_device; struct exynos_drm_overlay; struct drm_connector; extern unsigned int drm_vblank_offdelay; +/* This enumerates device type. */ +enum exynos_drm_device_type { + EXYNOS_DEVICE_TYPE_NONE, + EXYNOS_DEVICE_TYPE_CRTC, + EXYNOS_DEVICE_TYPE_CONNECTOR, +}; + /* this enumerates display type. */ enum exynos_drm_output_type { EXYNOS_DISPLAY_TYPE_NONE, @@ -50,20 +56,8 @@ enum exynos_drm_output_type { EXYNOS_DISPLAY_TYPE_LCD, /* HDMI Interface. */ EXYNOS_DISPLAY_TYPE_HDMI, -}; - -/* - * Exynos drm overlay ops structure. - * - * @mode_set: copy drm overlay info to hw specific overlay info. - * @commit: apply hardware specific overlay data to registers. - * @disable: disable hardware specific overlay. - */ -struct exynos_drm_overlay_ops { - void (*mode_set)(struct device *subdrv_dev, - struct exynos_drm_overlay *overlay); - void (*commit)(struct device *subdrv_dev, int zpos); - void (*disable)(struct device *subdrv_dev, int zpos); + /* Virtual Display Interface. */ + EXYNOS_DISPLAY_TYPE_VIDI, }; /* @@ -75,6 +69,8 @@ struct exynos_drm_overlay_ops { * - the unit is screen coordinates. * @fb_width: width of a framebuffer. * @fb_height: height of a framebuffer. + * @src_width: width of a partial image to be displayed from framebuffer. + * @src_height: height of a partial image to be displayed from framebuffer. * @crtc_x: offset x on hardware screen. * @crtc_y: offset y on hardware screen. * @crtc_width: window width to be displayed (hardware screen). @@ -88,7 +84,6 @@ struct exynos_drm_overlay_ops { * @pixel_format: fourcc pixel format of this overlay * @dma_addr: array of bus(accessed by dma) address to the memory region * allocated for a overlay. - * @vaddr: array of virtual memory addresss to this overlay. * @zpos: order of overlay layer(z position). * @default_win: a window to be enabled. * @color_key: color key on or off. @@ -106,6 +101,8 @@ struct exynos_drm_overlay { unsigned int fb_y; unsigned int fb_width; unsigned int fb_height; + unsigned int src_width; + unsigned int src_height; unsigned int crtc_x; unsigned int crtc_y; unsigned int crtc_width; @@ -118,7 +115,6 @@ struct exynos_drm_overlay { unsigned int pitch; uint32_t pixel_format; dma_addr_t dma_addr[MAX_FB_BUFFER]; - void __iomem *vaddr[MAX_FB_BUFFER]; int zpos; bool default_win; @@ -133,70 +129,133 @@ struct exynos_drm_overlay { * Exynos DRM Display Structure. * - this structure is common to analog tv, digital tv and lcd panel. * - * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. - * @is_connected: check for that display is connected or not. - * @get_edid: get edid modes from display driver. - * @get_timing: get timing object from display driver. - * @check_timing: check if timing is valid or not. - * @power_on: display device on or off. + * @remove: cleans up the display for removal + * @mode_fixup: fix mode data comparing to hw specific display mode. + * @mode_set: convert drm_display_mode to hw specific display mode and + * would be called by encoder->mode_set(). + * @check_mode: check if mode is valid or not. + * @dpms: display device on or off. + * @commit: apply changes to hw */ +struct exynos_drm_display; struct exynos_drm_display_ops { + int (*create_connector)(struct exynos_drm_display *display, + struct drm_encoder *encoder); + void (*remove)(struct exynos_drm_display *display); + void (*mode_fixup)(struct exynos_drm_display *display, + struct drm_connector *connector, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + void (*mode_set)(struct exynos_drm_display *display, + struct drm_display_mode *mode); + int (*check_mode)(struct exynos_drm_display *display, + struct drm_display_mode *mode); + void (*dpms)(struct exynos_drm_display *display, int mode); + void (*commit)(struct exynos_drm_display *display); +}; + +/* + * Exynos drm display structure, maps 1:1 with an encoder/connector + * + * @list: the list entry for this manager + * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. + * @encoder: encoder object this display maps to + * @connector: connector object this display maps to + * @ops: pointer to callbacks for exynos drm specific functionality + * @ctx: A pointer to the display's implementation specific context + */ +struct exynos_drm_display { + struct list_head list; enum exynos_drm_output_type type; - bool (*is_connected)(struct device *dev); - int (*get_edid)(struct device *dev, struct drm_connector *connector, - u8 *edid, int len); - void *(*get_timing)(struct device *dev); - int (*check_timing)(struct device *dev, void *timing); - int (*power_on)(struct device *dev, int mode); + struct drm_encoder *encoder; + struct drm_connector *connector; + struct exynos_drm_display_ops *ops; + void *ctx; }; /* * Exynos drm manager ops * * @dpms: control device power. - * @apply: set timing, vblank and overlay data to registers. - * @mode_set: convert drm_display_mode to hw specific display mode and - * would be called by encoder->mode_set(). + * @mode_fixup: fix mode data before applying it + * @mode_set: set the given mode to the manager * @commit: set current hw specific display mode to hw. * @enable_vblank: specific driver callback for enabling vblank interrupt. * @disable_vblank: specific driver callback for disabling vblank interrupt. + * @wait_for_vblank: wait for vblank interrupt to make sure that + * hardware overlay is updated. + * @win_mode_set: copy drm overlay info to hw specific overlay info. + * @win_commit: apply hardware specific overlay data to registers. + * @win_enable: enable hardware specific overlay. + * @win_disable: disable hardware specific overlay. */ +struct exynos_drm_manager; struct exynos_drm_manager_ops { - void (*dpms)(struct device *subdrv_dev, int mode); - void (*apply)(struct device *subdrv_dev); - void (*mode_set)(struct device *subdrv_dev, void *mode); - void (*commit)(struct device *subdrv_dev); - int (*enable_vblank)(struct device *subdrv_dev); - void (*disable_vblank)(struct device *subdrv_dev); + void (*dpms)(struct exynos_drm_manager *mgr, int mode); + bool (*mode_fixup)(struct exynos_drm_manager *mgr, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + void (*mode_set)(struct exynos_drm_manager *mgr, + const struct drm_display_mode *mode); + void (*commit)(struct exynos_drm_manager *mgr); + int (*enable_vblank)(struct exynos_drm_manager *mgr); + void (*disable_vblank)(struct exynos_drm_manager *mgr); + void (*wait_for_vblank)(struct exynos_drm_manager *mgr); + void (*win_mode_set)(struct exynos_drm_manager *mgr, + struct exynos_drm_overlay *overlay); + void (*win_commit)(struct exynos_drm_manager *mgr, int zpos); + void (*win_enable)(struct exynos_drm_manager *mgr, int zpos); + void (*win_disable)(struct exynos_drm_manager *mgr, int zpos); }; /* - * Exynos drm common manager structure. + * Exynos drm common manager structure, maps 1:1 with a crtc * - * @dev: pointer to device object for subdrv device driver. - * sub drivers such as display controller or hdmi driver, - * have their own device object. - * @ops: pointer to callbacks for exynos drm specific framebuffer. - * these callbacks should be set by specific drivers such fimd - * or hdmi driver and are used to control hardware global registers. - * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer. - * these callbacks should be set by specific drivers such fimd - * or hdmi driver and are used to control hardware overlay reigsters. - * @display: pointer to callbacks for exynos drm specific framebuffer. - * these callbacks should be set by specific drivers such fimd - * or hdmi driver and are used to control display devices such as - * analog tv, digital tv and lcd panel and also get timing data for them. + * @list: the list entry for this manager + * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. + * @drm_dev: pointer to the drm device + * @crtc: crtc object. + * @pipe: the pipe number for this crtc/manager + * @ops: pointer to callbacks for exynos drm specific functionality + * @ctx: A pointer to the manager's implementation specific context */ struct exynos_drm_manager { - struct device *dev; + struct list_head list; + enum exynos_drm_output_type type; + struct drm_device *drm_dev; + struct drm_crtc *crtc; int pipe; struct exynos_drm_manager_ops *ops; - struct exynos_drm_overlay_ops *overlay_ops; - struct exynos_drm_display_ops *display_ops; + void *ctx; +}; + +struct exynos_drm_g2d_private { + struct device *dev; + struct list_head inuse_cmdlist; + struct list_head event_list; + struct list_head userptr_list; +}; + +struct exynos_drm_ipp_private { + struct device *dev; + struct list_head event_list; +}; + +struct drm_exynos_file_private { + struct exynos_drm_g2d_private *g2d_priv; + struct exynos_drm_ipp_private *ipp_priv; + struct file *anon_filp; }; /* * Exynos drm private structure. + * + * @da_start: start address to device address space. + * with iommu, device address space starts from this address + * otherwise default one. + * @da_space_size: size of device address space. + * if 0 then default value is used for it. + * @pipe: the pipe number for this crtc/manager. */ struct exynos_drm_private { struct drm_fb_helper *fb_helper; @@ -209,60 +268,116 @@ struct exynos_drm_private { * this array is used to be aware of which crtc did it request vblank. */ struct drm_crtc *crtc[MAX_CRTC]; + struct drm_property *plane_zpos_property; + struct drm_property *crtc_mode_property; + + unsigned long da_start; + unsigned long da_space_size; + + unsigned int pipe; }; /* * Exynos drm sub driver structure. * * @list: sub driver has its own list object to register to exynos drm driver. + * @dev: pointer to device object for subdrv device driver. * @drm_dev: pointer to drm_device and this pointer would be set * when sub driver calls exynos_drm_subdrv_register(). + * @manager: subdrv has its own manager to control a hardware appropriately + * and we can access a hardware drawing on this manager. * @probe: this callback would be called by exynos drm driver after - * subdrv is registered to it. + * subdrv is registered to it. * @remove: this callback is used to release resources created - * by probe callback. - * @manager: subdrv has its own manager to control a hardware appropriately - * and we can access a hardware drawing on this manager. - * @encoder: encoder object owned by this sub driver. - * @connector: connector object owned by this sub driver. + * by probe callback. + * @open: this would be called with drm device file open. + * @close: this would be called with drm device file close. */ struct exynos_drm_subdrv { struct list_head list; + struct device *dev; struct drm_device *drm_dev; int (*probe)(struct drm_device *drm_dev, struct device *dev); - void (*remove)(struct drm_device *dev); - - struct exynos_drm_manager manager; - struct drm_encoder *encoder; - struct drm_connector *connector; + void (*remove)(struct drm_device *drm_dev, struct device *dev); + int (*open)(struct drm_device *drm_dev, struct device *dev, + struct drm_file *file); + void (*close)(struct drm_device *drm_dev, struct device *dev, + struct drm_file *file); }; + /* This function would be called by non kms drivers such as g2d and ipp. */ +int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); + +/* this function removes subdrv list from exynos drm driver */ +int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv); + +int exynos_drm_device_subdrv_probe(struct drm_device *dev); +int exynos_drm_device_subdrv_remove(struct drm_device *dev); +int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file); +void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file); + /* - * this function calls a probe callback registered to sub driver list and - * create its own encoder and connector and then set drm_device object - * to global one. + * this function registers exynos drm hdmi platform device. It ensures only one + * instance of the device is created. */ -int exynos_drm_device_register(struct drm_device *dev); +int exynos_platform_device_hdmi_register(void); + /* - * this function calls a remove callback registered to sub driver list and - * destroy its own encoder and connetor. + * this function unregisters exynos drm hdmi platform device if it exists. */ -int exynos_drm_device_unregister(struct drm_device *dev); +void exynos_platform_device_hdmi_unregister(void); /* - * this function would be called by sub drivers such as display controller - * or hdmi driver to register this sub driver object to exynos drm driver - * and when a sub driver is registered to exynos drm driver a probe callback - * of the sub driver is called and creates its own encoder and connector - * and then fb helper and drm mode group would be re-initialized. + * this function registers exynos drm ipp platform device. */ -int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); +int exynos_platform_device_ipp_register(void); /* - * this function removes subdrv list from exynos drm driver and fb helper - * and drm mode group would be re-initialized. + * this function unregisters exynos drm ipp platform device if it exists. */ -int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv); +void exynos_platform_device_ipp_unregister(void); + +#ifdef CONFIG_DRM_EXYNOS_DPI +struct exynos_drm_display * exynos_dpi_probe(struct device *dev); +int exynos_dpi_remove(struct device *dev); +#else +static inline struct exynos_drm_display * +exynos_dpi_probe(struct device *dev) { return NULL; } +static inline int exynos_dpi_remove(struct device *dev) { return 0; } +#endif + +/* + * this function registers exynos drm vidi platform device/driver. + */ +int exynos_drm_probe_vidi(void); + +/* + * this function unregister exynos drm vidi platform device/driver. + */ +void exynos_drm_remove_vidi(void); + +/* This function creates a encoder and a connector, and initializes them. */ +int exynos_drm_create_enc_conn(struct drm_device *dev, + struct exynos_drm_display *display); + +int exynos_drm_component_add(struct device *dev, + enum exynos_drm_device_type dev_type, + enum exynos_drm_output_type out_type); + +void exynos_drm_component_del(struct device *dev, + enum exynos_drm_device_type dev_type); +extern struct platform_driver fimd_driver; +extern struct platform_driver dp_driver; +extern struct platform_driver dsi_driver; +extern struct platform_driver mixer_driver; +extern struct platform_driver hdmi_driver; +extern struct platform_driver exynos_drm_common_hdmi_driver; +extern struct platform_driver vidi_driver; +extern struct platform_driver g2d_driver; +extern struct platform_driver fimc_driver; +extern struct platform_driver rotator_driver; +extern struct platform_driver gsc_driver; +extern struct platform_driver ipp_driver; #endif |