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
57 #define INTEL_OUTPUT_DISPLAYPORT 7
59 #define INTEL_DVO_CHIP_NONE 0
60 #define INTEL_DVO_CHIP_LVDS 1
61 #define INTEL_DVO_CHIP_TMDS 2
62 #define INTEL_DVO_CHIP_TVOUT 4
64 struct intel_i2c_chan
{
65 struct drm_device
*drm_dev
; /* for getting at dev. private (mmio etc.) */
66 u32 reg
; /* GPIO reg */
67 struct i2c_adapter adapter
;
68 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 i2c_adapter
*i2c_bus
;
83 struct i2c_adapter
*ddc_bus
;
84 bool load_detect_temp
;
87 void (*hot_plug
)(struct intel_output
*);
94 struct drm_gem_object
*cursor_bo
;
96 u8 lut_r
[256], lut_g
[256], lut_b
[256];
98 struct intel_framebuffer
*fbdev_fb
;
99 /* a mode_set for fbdev users on this crtc */
100 struct drm_mode_set mode_set
;
103 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
104 #define to_intel_output(x) container_of(x, struct intel_output, base)
105 #define enc_to_intel_output(x) container_of(x, struct intel_output, enc)
106 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
108 struct i2c_adapter
*intel_i2c_create(struct drm_device
*dev
, const u32 reg
,
110 void intel_i2c_destroy(struct i2c_adapter
*adapter
);
111 int intel_ddc_get_modes(struct intel_output
*intel_output
);
112 extern bool intel_ddc_probe(struct intel_output
*intel_output
);
113 void intel_i2c_quirk_set(struct drm_device
*dev
, bool enable
);
114 extern void intel_crt_init(struct drm_device
*dev
);
115 extern void intel_hdmi_init(struct drm_device
*dev
, int sdvox_reg
);
116 extern bool intel_sdvo_init(struct drm_device
*dev
, int output_device
);
117 extern void intel_dvo_init(struct drm_device
*dev
);
118 extern void intel_tv_init(struct drm_device
*dev
);
119 extern void intel_lvds_init(struct drm_device
*dev
);
120 extern void intel_dp_init(struct drm_device
*dev
, int dp_reg
);
122 intel_dp_set_m_n(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
123 struct drm_display_mode
*adjusted_mode
);
125 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
126 extern void intel_encoder_prepare (struct drm_encoder
*encoder
);
127 extern void intel_encoder_commit (struct drm_encoder
*encoder
);
129 extern struct drm_encoder
*intel_best_encoder(struct drm_connector
*connector
);
131 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
132 struct drm_crtc
*crtc
);
133 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
134 struct drm_file
*file_priv
);
135 extern void intel_wait_for_vblank(struct drm_device
*dev
);
136 extern struct drm_crtc
*intel_get_crtc_from_pipe(struct drm_device
*dev
, int pipe
);
137 extern struct drm_crtc
*intel_get_load_detect_pipe(struct intel_output
*intel_output
,
138 struct drm_display_mode
*mode
,
140 extern void intel_release_load_detect_pipe(struct intel_output
*intel_output
,
143 extern struct drm_connector
* intel_sdvo_find(struct drm_device
*dev
, int sdvoB
);
144 extern int intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
145 extern void intel_sdvo_set_hotplug(struct drm_connector
*connector
, int enable
);
146 extern int intelfb_probe(struct drm_device
*dev
);
147 extern int intelfb_remove(struct drm_device
*dev
, struct drm_framebuffer
*fb
);
148 extern int intelfb_resize(struct drm_device
*dev
, struct drm_crtc
*crtc
);
149 extern void intelfb_restore(void);
150 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
151 u16 blue
, int regno
);
153 extern int intel_framebuffer_create(struct drm_device
*dev
,
154 struct drm_mode_fb_cmd
*mode_cmd
,
155 struct drm_framebuffer
**fb
,
156 struct drm_gem_object
*obj
);
157 #endif /* __INTEL_DRV_H__ */
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