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 #define wait_for(COND, MS, W) ({ \
37 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
40 if (time_after(jiffies, timeout__)) { \
50 * Display related stuff
53 /* store information about an Ixxx DVO */
54 /* The i830->i865 use multiple DVOs with multiple i2cs */
55 /* the i915, i945 have a single sDVO i2c bus - which is different */
57 /* maximum connectors per crtcs in the mode set */
58 #define INTELFB_CONN_LIMIT 4
60 #define INTEL_I2C_BUS_DVO 1
61 #define INTEL_I2C_BUS_SDVO 2
63 /* these are outputs from the chip - integrated only
64 external chips are via DVO or SDVO output */
65 #define INTEL_OUTPUT_UNUSED 0
66 #define INTEL_OUTPUT_ANALOG 1
67 #define INTEL_OUTPUT_DVO 2
68 #define INTEL_OUTPUT_SDVO 3
69 #define INTEL_OUTPUT_LVDS 4
70 #define INTEL_OUTPUT_TVOUT 5
71 #define INTEL_OUTPUT_HDMI 6
72 #define INTEL_OUTPUT_DISPLAYPORT 7
73 #define INTEL_OUTPUT_EDP 8
75 /* Intel Pipe Clone Bit */
76 #define INTEL_HDMIB_CLONE_BIT 1
77 #define INTEL_HDMIC_CLONE_BIT 2
78 #define INTEL_HDMID_CLONE_BIT 3
79 #define INTEL_HDMIE_CLONE_BIT 4
80 #define INTEL_HDMIF_CLONE_BIT 5
81 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
82 #define INTEL_SDVO_TV_CLONE_BIT 7
83 #define INTEL_SDVO_LVDS_CLONE_BIT 8
84 #define INTEL_ANALOG_CLONE_BIT 9
85 #define INTEL_TV_CLONE_BIT 10
86 #define INTEL_DP_B_CLONE_BIT 11
87 #define INTEL_DP_C_CLONE_BIT 12
88 #define INTEL_DP_D_CLONE_BIT 13
89 #define INTEL_LVDS_CLONE_BIT 14
90 #define INTEL_DVO_TMDS_CLONE_BIT 15
91 #define INTEL_DVO_LVDS_CLONE_BIT 16
92 #define INTEL_EDP_CLONE_BIT 17
94 #define INTEL_DVO_CHIP_NONE 0
95 #define INTEL_DVO_CHIP_LVDS 1
96 #define INTEL_DVO_CHIP_TMDS 2
97 #define INTEL_DVO_CHIP_TVOUT 4
99 struct intel_i2c_chan
{
100 struct drm_device
*drm_dev
; /* for getting at dev. private (mmio etc.) */
101 u32 reg
; /* GPIO reg */
102 struct i2c_adapter adapter
;
103 struct i2c_algo_bit_data algo
;
106 struct intel_framebuffer
{
107 struct drm_framebuffer base
;
108 struct drm_gem_object
*obj
;
112 struct intel_encoder
{
113 struct drm_encoder enc
;
115 struct i2c_adapter
*i2c_bus
;
116 struct i2c_adapter
*ddc_bus
;
117 bool load_detect_temp
;
119 void (*hot_plug
)(struct intel_encoder
*);
124 struct intel_connector
{
125 struct drm_connector base
;
129 struct intel_overlay
{
130 struct drm_device
*dev
;
131 struct intel_crtc
*crtc
;
132 struct drm_i915_gem_object
*vid_bo
;
133 struct drm_i915_gem_object
*old_vid_bo
;
136 u32 pfit_vscale_ratio
; /* shifted-point number, (1<<12) == 1.0 */
138 u32 brightness
, contrast
, saturation
;
139 u32 old_xscale
, old_yscale
;
140 /* register access */
142 struct drm_i915_gem_object
*reg_bo
;
145 uint32_t last_flip_req
;
148 #define NEEDS_WAIT_FOR_FLIP 2
149 #define RELEASE_OLD_VID 3
150 #define SWITCH_OFF_STAGE_1 4
151 #define SWITCH_OFF_STAGE_2 5
155 struct drm_crtc base
;
158 u8 lut_r
[256], lut_g
[256], lut_b
[256];
160 bool busy
; /* is scanout buffer being updated frequently? */
161 struct timer_list idle_timer
;
163 struct intel_overlay
*overlay
;
164 struct intel_unpin_work
*unpin_work
;
167 struct drm_gem_object
*cursor_bo
;
168 uint32_t cursor_addr
;
169 int16_t cursor_x
, cursor_y
;
170 int16_t cursor_width
, cursor_height
;
171 bool cursor_visible
, cursor_on
;
174 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
175 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
176 #define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
177 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
179 struct i2c_adapter
*intel_i2c_create(struct drm_device
*dev
, const u32 reg
,
181 void intel_i2c_destroy(struct i2c_adapter
*adapter
);
182 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
183 extern bool intel_ddc_probe(struct intel_encoder
*intel_encoder
);
184 void intel_i2c_quirk_set(struct drm_device
*dev
, bool enable
);
185 void intel_i2c_reset_gmbus(struct drm_device
*dev
);
187 extern void intel_crt_init(struct drm_device
*dev
);
188 extern void intel_hdmi_init(struct drm_device
*dev
, int sdvox_reg
);
189 extern bool intel_sdvo_init(struct drm_device
*dev
, int output_device
);
190 extern void intel_dvo_init(struct drm_device
*dev
);
191 extern void intel_tv_init(struct drm_device
*dev
);
192 extern void intel_mark_busy(struct drm_device
*dev
, struct drm_gem_object
*obj
);
193 extern void intel_lvds_init(struct drm_device
*dev
);
194 extern void intel_dp_init(struct drm_device
*dev
, int dp_reg
);
196 intel_dp_set_m_n(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
197 struct drm_display_mode
*adjusted_mode
);
198 extern bool intel_pch_has_edp(struct drm_crtc
*crtc
);
199 extern bool intel_dpd_is_edp(struct drm_device
*dev
);
200 extern void intel_edp_link_config (struct intel_encoder
*, int *, int *);
203 extern void intel_fixed_panel_mode(struct drm_display_mode
*fixed_mode
,
204 struct drm_display_mode
*adjusted_mode
);
205 extern void intel_pch_panel_fitting(struct drm_device
*dev
,
207 struct drm_display_mode
*mode
,
208 struct drm_display_mode
*adjusted_mode
);
210 extern int intel_panel_fitter_pipe (struct drm_device
*dev
);
211 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
212 extern void intel_encoder_prepare (struct drm_encoder
*encoder
);
213 extern void intel_encoder_commit (struct drm_encoder
*encoder
);
214 extern void intel_encoder_destroy(struct drm_encoder
*encoder
);
216 extern struct drm_encoder
*intel_attached_encoder(struct drm_connector
*connector
);
218 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
219 struct drm_crtc
*crtc
);
220 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
221 struct drm_file
*file_priv
);
222 extern void intel_wait_for_vblank_off(struct drm_device
*dev
, int pipe
);
223 extern void intel_wait_for_vblank(struct drm_device
*dev
, int pipe
);
224 extern struct drm_crtc
*intel_get_crtc_from_pipe(struct drm_device
*dev
, int pipe
);
225 extern struct drm_crtc
*intel_get_load_detect_pipe(struct intel_encoder
*intel_encoder
,
226 struct drm_connector
*connector
,
227 struct drm_display_mode
*mode
,
229 extern void intel_release_load_detect_pipe(struct intel_encoder
*intel_encoder
,
230 struct drm_connector
*connector
,
233 extern struct drm_connector
* intel_sdvo_find(struct drm_device
*dev
, int sdvoB
);
234 extern int intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
235 extern void intel_sdvo_set_hotplug(struct drm_connector
*connector
, int enable
);
236 extern void intelfb_restore(void);
237 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
238 u16 blue
, int regno
);
239 extern void intel_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
240 u16
*blue
, int regno
);
241 extern void intel_init_clock_gating(struct drm_device
*dev
);
242 extern void ironlake_enable_drps(struct drm_device
*dev
);
243 extern void ironlake_disable_drps(struct drm_device
*dev
);
245 extern int intel_pin_and_fence_fb_obj(struct drm_device
*dev
,
246 struct drm_gem_object
*obj
);
248 extern int intel_framebuffer_init(struct drm_device
*dev
,
249 struct intel_framebuffer
*ifb
,
250 struct drm_mode_fb_cmd
*mode_cmd
,
251 struct drm_gem_object
*obj
);
252 extern int intel_fbdev_init(struct drm_device
*dev
);
253 extern void intel_fbdev_fini(struct drm_device
*dev
);
255 extern void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
256 extern void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
257 extern void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
259 extern void intel_setup_overlay(struct drm_device
*dev
);
260 extern void intel_cleanup_overlay(struct drm_device
*dev
);
261 extern int intel_overlay_switch_off(struct intel_overlay
*overlay
);
262 extern int intel_overlay_recover_from_interrupt(struct intel_overlay
*overlay
,
264 extern int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
265 struct drm_file
*file_priv
);
266 extern int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
267 struct drm_file
*file_priv
);
269 extern void intel_fb_output_poll_changed(struct drm_device
*dev
);
270 #endif /* __INTEL_DRV_H__ */
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