2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 #ifndef __INTEL_DRV_H__
26 #define __INTEL_DRV_H__
28 #include <linux/i2c.h>
29 #include <linux/i2c-id.h>
30 #include <linux/i2c-algo-bit.h>
33 #include "drm_crtc_helper.h"
35 * Display related stuff
38 /* store information about an Ixxx DVO */
39 /* The i830->i865 use multiple DVOs with multiple i2cs */
40 /* the i915, i945 have a single sDVO i2c bus - which is different */
42 /* maximum connectors per crtcs in the mode set */
43 #define INTELFB_CONN_LIMIT 4
45 #define INTEL_I2C_BUS_DVO 1
46 #define INTEL_I2C_BUS_SDVO 2
48 /* these are outputs from the chip - integrated only
49 external chips are via DVO or SDVO output */
50 #define INTEL_OUTPUT_UNUSED 0
51 #define INTEL_OUTPUT_ANALOG 1
52 #define INTEL_OUTPUT_DVO 2
53 #define INTEL_OUTPUT_SDVO 3
54 #define INTEL_OUTPUT_LVDS 4
55 #define INTEL_OUTPUT_TVOUT 5
56 #define INTEL_OUTPUT_HDMI 6
58 #define INTEL_DVO_CHIP_NONE 0
59 #define INTEL_DVO_CHIP_LVDS 1
60 #define INTEL_DVO_CHIP_TMDS 2
61 #define INTEL_DVO_CHIP_TVOUT 4
63 struct intel_i2c_chan {
64 struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
65 u32 reg; /* GPIO reg */
66 struct i2c_adapter adapter;
67 struct i2c_algo_bit_data algo;
71 struct intel_framebuffer {
72 struct drm_framebuffer base;
73 struct drm_gem_object *obj;
78 struct drm_connector base;
80 struct drm_encoder enc;
82 struct intel_i2c_chan *i2c_bus; /* for control functions */
83 struct intel_i2c_chan *ddc_bus; /* for DDC only stuff */
84 bool load_detect_temp;
92 struct drm_gem_object *cursor_bo;
94 u8 lut_r[256], lut_g[256], lut_b[256];
96 struct intel_framebuffer *fbdev_fb;
97 /* a mode_set for fbdev users on this crtc */
98 struct drm_mode_set mode_set;
101 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
102 #define to_intel_output(x) container_of(x, struct intel_output, base)
103 #define enc_to_intel_output(x) container_of(x, struct intel_output, enc)
104 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
106 struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg,
108 void intel_i2c_destroy(struct intel_i2c_chan *chan);
109 int intel_ddc_get_modes(struct intel_output *intel_output);
110 extern bool intel_ddc_probe(struct intel_output *intel_output);
112 extern void intel_crt_init(struct drm_device *dev);
113 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
114 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
115 extern void intel_dvo_init(struct drm_device *dev);
116 extern void intel_tv_init(struct drm_device *dev);
117 extern void intel_lvds_init(struct drm_device *dev);
119 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
120 extern void intel_encoder_prepare (struct drm_encoder *encoder);
121 extern void intel_encoder_commit (struct drm_encoder *encoder);
123 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
125 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
126 struct drm_crtc *crtc);
127 extern void intel_wait_for_vblank(struct drm_device *dev);
128 extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
129 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
130 struct drm_display_mode *mode,
132 extern void intel_release_load_detect_pipe(struct intel_output *intel_output,
135 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
136 extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
137 extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
138 extern int intelfb_probe(struct drm_device *dev);
139 extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
140 extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
141 extern void intelfb_restore(void);
142 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
143 u16 blue, int regno);
145 extern int intel_framebuffer_create(struct drm_device *dev,
146 struct drm_mode_fb_cmd *mode_cmd,
147 struct drm_framebuffer **fb,
148 struct drm_gem_object *obj);
149 #endif /* __INTEL_DRV_H__ */