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
57 #define INTEL_DVO_CHIP_NONE 0
58 #define INTEL_DVO_CHIP_LVDS 1
59 #define INTEL_DVO_CHIP_TMDS 2
60 #define INTEL_DVO_CHIP_TVOUT 4
62 struct intel_i2c_chan
{
63 struct drm_device
*drm_dev
; /* for getting at dev. private (mmio etc.) */
64 u32 reg
; /* GPIO reg */
65 struct i2c_adapter adapter
;
66 struct i2c_algo_bit_data algo
;
70 struct intel_framebuffer
{
71 struct drm_framebuffer base
;
72 struct drm_gem_object
*obj
;
77 struct drm_connector base
;
79 struct drm_encoder enc
;
81 struct intel_i2c_chan
*i2c_bus
; /* for control functions */
82 struct intel_i2c_chan
*ddc_bus
; /* for DDC only stuff */
83 bool load_detect_temp
;
92 u8 lut_r
[256], lut_g
[256], lut_b
[256];
94 struct intel_framebuffer
*fbdev_fb
;
95 /* a mode_set for fbdev users on this crtc */
96 struct drm_mode_set mode_set
;
99 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
100 #define to_intel_output(x) container_of(x, struct intel_output, base)
101 #define enc_to_intel_output(x) container_of(x, struct intel_output, enc)
102 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
104 struct intel_i2c_chan
*intel_i2c_create(struct drm_device
*dev
, const u32 reg
,
106 void intel_i2c_destroy(struct intel_i2c_chan
*chan
);
107 int intel_ddc_get_modes(struct intel_output
*intel_output
);
108 extern bool intel_ddc_probe(struct intel_output
*intel_output
);
110 extern void intel_crt_init(struct drm_device
*dev
);
111 extern void intel_sdvo_init(struct drm_device
*dev
, int output_device
);
112 extern void intel_dvo_init(struct drm_device
*dev
);
113 extern void intel_tv_init(struct drm_device
*dev
);
114 extern void intel_lvds_init(struct drm_device
*dev
);
116 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
117 extern void intel_encoder_prepare (struct drm_encoder
*encoder
);
118 extern void intel_encoder_commit (struct drm_encoder
*encoder
);
120 extern struct drm_encoder
*intel_best_encoder(struct drm_connector
*connector
);
122 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
123 struct drm_crtc
*crtc
);
124 extern void intel_wait_for_vblank(struct drm_device
*dev
);
125 extern struct drm_crtc
*intel_get_crtc_from_pipe(struct drm_device
*dev
, int pipe
);
126 extern struct drm_crtc
*intel_get_load_detect_pipe(struct intel_output
*intel_output
,
127 struct drm_display_mode
*mode
,
129 extern void intel_release_load_detect_pipe(struct intel_output
*intel_output
,
132 extern struct drm_connector
* intel_sdvo_find(struct drm_device
*dev
, int sdvoB
);
133 extern int intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
134 extern void intel_sdvo_set_hotplug(struct drm_connector
*connector
, int enable
);
135 extern int intelfb_probe(struct drm_device
*dev
);
136 extern int intelfb_remove(struct drm_device
*dev
, struct drm_framebuffer
*fb
);
137 extern int intelfb_resize(struct drm_device
*dev
, struct drm_crtc
*crtc
);
138 extern void intelfb_restore(void);
139 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
140 u16 blue
, int regno
);
142 extern int intel_framebuffer_create(struct drm_device
*dev
,
143 struct drm_mode_fb_cmd
*mode_cmd
,
144 struct drm_framebuffer
**fb
,
145 struct drm_gem_object
*obj
);
146 #endif /* __INTEL_DRV_H__ */
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