diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h new file mode 100644 index 00000000000..407edd5bf58 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -0,0 +1,146 @@ +/* + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + * Copyright (c) 2007-2008 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.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 + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + */ +#ifndef __INTEL_DRV_H__ +#define __INTEL_DRV_H__ + +#include <linux/i2c.h> +#include <linux/i2c-id.h> +#include <linux/i2c-algo-bit.h> +#include "drm_crtc.h" + +#include "drm_crtc_helper.h" +/* + * Display related stuff + */ + +/* store information about an Ixxx DVO */ +/* The i830->i865 use multiple DVOs with multiple i2cs */ +/* the i915, i945 have a single sDVO i2c bus - which is different */ +#define MAX_OUTPUTS 6 +/* maximum connectors per crtcs in the mode set */ +#define INTELFB_CONN_LIMIT 4 + +#define INTEL_I2C_BUS_DVO 1 +#define INTEL_I2C_BUS_SDVO 2 + +/* these are outputs from the chip - integrated only + external chips are via DVO or SDVO output */ +#define INTEL_OUTPUT_UNUSED 0 +#define INTEL_OUTPUT_ANALOG 1 +#define INTEL_OUTPUT_DVO 2 +#define INTEL_OUTPUT_SDVO 3 +#define INTEL_OUTPUT_LVDS 4 +#define INTEL_OUTPUT_TVOUT 5 + +#define INTEL_DVO_CHIP_NONE 0 +#define INTEL_DVO_CHIP_LVDS 1 +#define INTEL_DVO_CHIP_TMDS 2 +#define INTEL_DVO_CHIP_TVOUT 4 + +struct intel_i2c_chan { + struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */ + u32 reg; /* GPIO reg */ + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; + u8 slave_addr; +}; + +struct intel_framebuffer { + struct drm_framebuffer base; + struct drm_gem_object *obj; +}; + + +struct intel_output { + struct drm_connector base; + + struct drm_encoder enc; + int type; + struct intel_i2c_chan *i2c_bus; /* for control functions */ + struct intel_i2c_chan *ddc_bus; /* for DDC only stuff */ + bool load_detect_temp; + void *dev_priv; +}; + +struct intel_crtc { + struct drm_crtc base; + int pipe; + int plane; + uint32_t cursor_addr; + u8 lut_r[256], lut_g[256], lut_b[256]; + int dpms_mode; + struct intel_framebuffer *fbdev_fb; + /* a mode_set for fbdev users on this crtc */ + struct drm_mode_set mode_set; +}; + +#define to_intel_crtc(x) container_of(x, struct intel_crtc, base) +#define to_intel_output(x) container_of(x, struct intel_output, base) +#define enc_to_intel_output(x) container_of(x, struct intel_output, enc) +#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) + +struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg, + const char *name); +void intel_i2c_destroy(struct intel_i2c_chan *chan); +int intel_ddc_get_modes(struct intel_output *intel_output); +extern bool intel_ddc_probe(struct intel_output *intel_output); + +extern void intel_crt_init(struct drm_device *dev); +extern void intel_sdvo_init(struct drm_device *dev, int output_device); +extern void intel_dvo_init(struct drm_device *dev); +extern void intel_tv_init(struct drm_device *dev); +extern void intel_lvds_init(struct drm_device *dev); + +extern void intel_crtc_load_lut(struct drm_crtc *crtc); +extern void intel_encoder_prepare (struct drm_encoder *encoder); +extern void intel_encoder_commit (struct drm_encoder *encoder); + +extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector); + +extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, + struct drm_crtc *crtc); +extern void intel_wait_for_vblank(struct drm_device *dev); +extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe); +extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output, + struct drm_display_mode *mode, + int *dpms_mode); +extern void intel_release_load_detect_pipe(struct intel_output *intel_output, + int dpms_mode); + +extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB); +extern int intel_sdvo_supports_hotplug(struct drm_connector *connector); +extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable); +extern int intelfb_probe(struct drm_device *dev); +extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); +extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc); +extern void intelfb_restore(void); +extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno); + +extern int intel_framebuffer_create(struct drm_device *dev, + struct drm_mode_fb_cmd *mode_cmd, + struct drm_framebuffer **fb, + struct drm_gem_object *obj); +#endif /* __INTEL_DRV_H__ */ |