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>
34 #include "drm_crtc_helper.h"
36 * Display related stuff
39 /* store information about an Ixxx DVO */
40 /* The i830->i865 use multiple DVOs with multiple i2cs */
41 /* the i915, i945 have a single sDVO i2c bus - which is different */
43 /* maximum connectors per crtcs in the mode set */
44 #define INTELFB_CONN_LIMIT 4
46 #define INTEL_I2C_BUS_DVO 1
47 #define INTEL_I2C_BUS_SDVO 2
49 /* these are outputs from the chip - integrated only
50 external chips are via DVO or SDVO output */
51 #define INTEL_OUTPUT_UNUSED 0
52 #define INTEL_OUTPUT_ANALOG 1
53 #define INTEL_OUTPUT_DVO 2
54 #define INTEL_OUTPUT_SDVO 3
55 #define INTEL_OUTPUT_LVDS 4
56 #define INTEL_OUTPUT_TVOUT 5
57 #define INTEL_OUTPUT_HDMI 6
58 #define INTEL_OUTPUT_DISPLAYPORT 7
59 #define INTEL_OUTPUT_EDP 8
61 /* Intel Pipe Clone Bit */
62 #define INTEL_HDMIB_CLONE_BIT 1
63 #define INTEL_HDMIC_CLONE_BIT 2
64 #define INTEL_HDMID_CLONE_BIT 3
65 #define INTEL_HDMIE_CLONE_BIT 4
66 #define INTEL_HDMIF_CLONE_BIT 5
67 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
68 #define INTEL_SDVO_TV_CLONE_BIT 7
69 #define INTEL_SDVO_LVDS_CLONE_BIT 8
70 #define INTEL_ANALOG_CLONE_BIT 9
71 #define INTEL_TV_CLONE_BIT 10
72 #define INTEL_DP_B_CLONE_BIT 11
73 #define INTEL_DP_C_CLONE_BIT 12
74 #define INTEL_DP_D_CLONE_BIT 13
75 #define INTEL_LVDS_CLONE_BIT 14
76 #define INTEL_DVO_TMDS_CLONE_BIT 15
77 #define INTEL_DVO_LVDS_CLONE_BIT 16
78 #define INTEL_EDP_CLONE_BIT 17
80 #define INTEL_DVO_CHIP_NONE 0
81 #define INTEL_DVO_CHIP_LVDS 1
82 #define INTEL_DVO_CHIP_TMDS 2
83 #define INTEL_DVO_CHIP_TVOUT 4
85 struct intel_i2c_chan
{
86 struct drm_device
*drm_dev
; /* for getting at dev. private (mmio etc.) */
87 u32 reg
; /* GPIO reg */
88 struct i2c_adapter adapter
;
89 struct i2c_algo_bit_data algo
;
92 struct intel_framebuffer
{
93 struct drm_framebuffer base
;
94 struct drm_gem_object
*obj
;
98 struct intel_encoder
{
99 struct drm_encoder enc
;
101 struct i2c_adapter
*i2c_bus
;
102 struct i2c_adapter
*ddc_bus
;
103 bool load_detect_temp
;
106 void (*hot_plug
)(struct intel_encoder
*);
111 struct intel_connector
{
112 struct drm_connector base
;
117 struct intel_overlay
{
118 struct drm_device
*dev
;
119 struct intel_crtc
*crtc
;
120 struct drm_i915_gem_object
*vid_bo
;
121 struct drm_i915_gem_object
*old_vid_bo
;
124 u32 pfit_vscale_ratio
; /* shifted-point number, (1<<12) == 1.0 */
126 u32 brightness
, contrast
, saturation
;
127 u32 old_xscale
, old_yscale
;
128 /* register access */
130 struct drm_i915_gem_object
*reg_bo
;
133 uint32_t last_flip_req
;
136 #define NEEDS_WAIT_FOR_FLIP 2
137 #define RELEASE_OLD_VID 3
138 #define SWITCH_OFF_STAGE_1 4
139 #define SWITCH_OFF_STAGE_2 5
143 struct drm_crtc base
;
146 u8 lut_r
[256], lut_g
[256], lut_b
[256];
148 bool busy
; /* is scanout buffer being updated frequently? */
149 struct timer_list idle_timer
;
151 struct intel_overlay
*overlay
;
152 struct intel_unpin_work
*unpin_work
;
155 struct drm_gem_object
*cursor_bo
;
156 uint32_t cursor_addr
;
157 int16_t cursor_x
, cursor_y
;
158 int16_t cursor_width
, cursor_height
;
162 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
163 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
164 #define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
165 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
167 struct i2c_adapter
*intel_i2c_create(struct drm_device
*dev
, const u32 reg
,
169 void intel_i2c_destroy(struct i2c_adapter
*adapter
);
170 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
171 extern bool intel_ddc_probe(struct intel_encoder
*intel_encoder
);
172 void intel_i2c_quirk_set(struct drm_device
*dev
, bool enable
);
173 void intel_i2c_reset_gmbus(struct drm_device
*dev
);
175 extern void intel_crt_init(struct drm_device
*dev
);
176 extern void intel_hdmi_init(struct drm_device
*dev
, int sdvox_reg
);
177 extern bool intel_sdvo_init(struct drm_device
*dev
, int output_device
);
178 extern void intel_dvo_init(struct drm_device
*dev
);
179 extern void intel_tv_init(struct drm_device
*dev
);
180 extern void intel_mark_busy(struct drm_device
*dev
, struct drm_gem_object
*obj
);
181 extern void intel_lvds_init(struct drm_device
*dev
);
182 extern void intel_dp_init(struct drm_device
*dev
, int dp_reg
);
184 intel_dp_set_m_n(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
185 struct drm_display_mode
*adjusted_mode
);
186 extern bool intel_pch_has_edp(struct drm_crtc
*crtc
);
187 extern bool intel_dpd_is_edp(struct drm_device
*dev
);
188 extern void intel_edp_link_config (struct intel_encoder
*, int *, int *);
191 extern int intel_panel_fitter_pipe (struct drm_device
*dev
);
192 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
193 extern void intel_encoder_prepare (struct drm_encoder
*encoder
);
194 extern void intel_encoder_commit (struct drm_encoder
*encoder
);
196 extern struct drm_encoder
*intel_attached_encoder(struct drm_connector
*connector
);
198 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
199 struct drm_crtc
*crtc
);
200 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
201 struct drm_file
*file_priv
);
202 extern void intel_wait_for_vblank(struct drm_device
*dev
);
203 extern struct drm_crtc
*intel_get_crtc_from_pipe(struct drm_device
*dev
, int pipe
);
204 extern struct drm_crtc
*intel_get_load_detect_pipe(struct intel_encoder
*intel_encoder
,
205 struct drm_connector
*connector
,
206 struct drm_display_mode
*mode
,
208 extern void intel_release_load_detect_pipe(struct intel_encoder
*intel_encoder
,
209 struct drm_connector
*connector
,
212 extern struct drm_connector
* intel_sdvo_find(struct drm_device
*dev
, int sdvoB
);
213 extern int intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
214 extern void intel_sdvo_set_hotplug(struct drm_connector
*connector
, int enable
);
215 extern void intelfb_restore(void);
216 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
217 u16 blue
, int regno
);
218 extern void intel_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
219 u16
*blue
, int regno
);
220 extern void intel_init_clock_gating(struct drm_device
*dev
);
221 extern void ironlake_enable_drps(struct drm_device
*dev
);
222 extern void ironlake_disable_drps(struct drm_device
*dev
);
224 extern int intel_pin_and_fence_fb_obj(struct drm_device
*dev
,
225 struct drm_gem_object
*obj
);
227 extern int intel_framebuffer_init(struct drm_device
*dev
,
228 struct intel_framebuffer
*ifb
,
229 struct drm_mode_fb_cmd
*mode_cmd
,
230 struct drm_gem_object
*obj
);
231 extern int intel_fbdev_init(struct drm_device
*dev
);
232 extern void intel_fbdev_fini(struct drm_device
*dev
);
234 extern void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
235 extern void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
236 extern void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
238 extern void intel_setup_overlay(struct drm_device
*dev
);
239 extern void intel_cleanup_overlay(struct drm_device
*dev
);
240 extern int intel_overlay_switch_off(struct intel_overlay
*overlay
);
241 extern int intel_overlay_recover_from_interrupt(struct intel_overlay
*overlay
,
243 extern int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
244 struct drm_file
*file_priv
);
245 extern int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
246 struct drm_file
*file_priv
);
248 extern void intel_fb_output_poll_changed(struct drm_device
*dev
);
249 #endif /* __INTEL_DRV_H__ */
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