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>
31 #include "drm_crtc_helper.h"
32 #include "drm_fb_helper.h"
34 #define _wait_for(COND, MS, W) ({ \
35 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
38 if (time_after(jiffies, timeout__)) { \
42 if (W && !(in_atomic() || in_dbg_master())) msleep(W); \
47 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
48 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
50 #define MSLEEP(x) do { \
51 if (in_dbg_master()) \
57 #define KHz(x) (1000*x)
58 #define MHz(x) KHz(1000*x)
61 * Display related stuff
64 /* store information about an Ixxx DVO */
65 /* The i830->i865 use multiple DVOs with multiple i2cs */
66 /* the i915, i945 have a single sDVO i2c bus - which is different */
68 /* maximum connectors per crtcs in the mode set */
69 #define INTELFB_CONN_LIMIT 4
71 #define INTEL_I2C_BUS_DVO 1
72 #define INTEL_I2C_BUS_SDVO 2
74 /* these are outputs from the chip - integrated only
75 external chips are via DVO or SDVO output */
76 #define INTEL_OUTPUT_UNUSED 0
77 #define INTEL_OUTPUT_ANALOG 1
78 #define INTEL_OUTPUT_DVO 2
79 #define INTEL_OUTPUT_SDVO 3
80 #define INTEL_OUTPUT_LVDS 4
81 #define INTEL_OUTPUT_TVOUT 5
82 #define INTEL_OUTPUT_HDMI 6
83 #define INTEL_OUTPUT_DISPLAYPORT 7
84 #define INTEL_OUTPUT_EDP 8
86 /* Intel Pipe Clone Bit */
87 #define INTEL_HDMIB_CLONE_BIT 1
88 #define INTEL_HDMIC_CLONE_BIT 2
89 #define INTEL_HDMID_CLONE_BIT 3
90 #define INTEL_HDMIE_CLONE_BIT 4
91 #define INTEL_HDMIF_CLONE_BIT 5
92 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
93 #define INTEL_SDVO_TV_CLONE_BIT 7
94 #define INTEL_SDVO_LVDS_CLONE_BIT 8
95 #define INTEL_ANALOG_CLONE_BIT 9
96 #define INTEL_TV_CLONE_BIT 10
97 #define INTEL_DP_B_CLONE_BIT 11
98 #define INTEL_DP_C_CLONE_BIT 12
99 #define INTEL_DP_D_CLONE_BIT 13
100 #define INTEL_LVDS_CLONE_BIT 14
101 #define INTEL_DVO_TMDS_CLONE_BIT 15
102 #define INTEL_DVO_LVDS_CLONE_BIT 16
103 #define INTEL_EDP_CLONE_BIT 17
105 #define INTEL_DVO_CHIP_NONE 0
106 #define INTEL_DVO_CHIP_LVDS 1
107 #define INTEL_DVO_CHIP_TMDS 2
108 #define INTEL_DVO_CHIP_TVOUT 4
110 /* drm_display_mode->private_flags */
111 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
112 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
113 #define INTEL_MODE_DP_FORCE_6BPC (0x10)
116 intel_mode_set_pixel_multiplier(struct drm_display_mode
*mode
,
119 mode
->clock
*= multiplier
;
120 mode
->private_flags
|= multiplier
;
124 intel_mode_get_pixel_multiplier(const struct drm_display_mode
*mode
)
126 return (mode
->private_flags
& INTEL_MODE_PIXEL_MULTIPLIER_MASK
) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT
;
129 struct intel_framebuffer
{
130 struct drm_framebuffer base
;
131 struct drm_i915_gem_object
*obj
;
135 struct drm_fb_helper helper
;
136 struct intel_framebuffer ifb
;
137 struct list_head fbdev_list
;
138 struct drm_display_mode
*our_mode
;
141 struct intel_encoder
{
142 struct drm_encoder base
;
145 void (*hot_plug
)(struct intel_encoder
*);
150 struct intel_connector
{
151 struct drm_connector base
;
152 struct intel_encoder
*encoder
;
156 struct drm_crtc base
;
159 u8 lut_r
[256], lut_g
[256], lut_b
[256];
161 bool active
; /* is the crtc on? independent of the dpms mode */
162 bool busy
; /* is scanout buffer being updated frequently? */
163 struct timer_list idle_timer
;
165 struct intel_overlay
*overlay
;
166 struct intel_unpin_work
*unpin_work
;
169 struct drm_i915_gem_object
*cursor_bo
;
170 uint32_t cursor_addr
;
171 int16_t cursor_x
, cursor_y
;
172 int16_t cursor_width
, cursor_height
;
176 bool no_pll
; /* tertiary pipe for IVB */
180 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
181 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
182 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
183 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
185 #define DIP_HEADER_SIZE 5
187 #define DIP_TYPE_AVI 0x82
188 #define DIP_VERSION_AVI 0x2
189 #define DIP_LEN_AVI 13
191 #define DIP_TYPE_SPD 0x83
192 #define DIP_VERSION_SPD 0x1
193 #define DIP_LEN_SPD 25
194 #define DIP_SPD_UNKNOWN 0
195 #define DIP_SPD_DSTB 0x1
196 #define DIP_SPD_DVDP 0x2
197 #define DIP_SPD_DVHS 0x3
198 #define DIP_SPD_HDDVR 0x4
199 #define DIP_SPD_DVC 0x5
200 #define DIP_SPD_DSC 0x6
201 #define DIP_SPD_VCD 0x7
202 #define DIP_SPD_GAME 0x8
203 #define DIP_SPD_PC 0x9
204 #define DIP_SPD_BD 0xa
205 #define DIP_SPD_SCD 0xb
207 struct dip_infoframe
{
208 uint8_t type
; /* HB0 */
209 uint8_t ver
; /* HB1 */
210 uint8_t len
; /* HB2 - body len, not including checksum */
211 uint8_t ecc
; /* Header ECC */
212 uint8_t checksum
; /* PB0 */
215 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
217 /* PB2 - C 7:6, M 5:4, R 3:0 */
219 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
226 uint16_t top_bar_end
;
227 uint16_t bottom_bar_start
;
228 uint16_t left_bar_end
;
229 uint16_t right_bar_start
;
237 } __attribute__ ((packed
)) body
;
238 } __attribute__((packed
));
240 static inline struct drm_crtc
*
241 intel_get_crtc_for_pipe(struct drm_device
*dev
, int pipe
)
243 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
244 return dev_priv
->pipe_to_crtc_mapping
[pipe
];
247 static inline struct drm_crtc
*
248 intel_get_crtc_for_plane(struct drm_device
*dev
, int plane
)
250 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
251 return dev_priv
->plane_to_crtc_mapping
[plane
];
254 struct intel_unpin_work
{
255 struct work_struct work
;
256 struct drm_device
*dev
;
257 struct drm_i915_gem_object
*old_fb_obj
;
258 struct drm_i915_gem_object
*pending_flip_obj
;
259 struct drm_pending_vblank_event
*event
;
261 bool enable_stall_check
;
264 struct intel_fbc_work
{
265 struct delayed_work work
;
266 struct drm_crtc
*crtc
;
267 struct drm_framebuffer
*fb
;
271 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
272 extern bool intel_ddc_probe(struct intel_encoder
*intel_encoder
, int ddc_bus
);
274 extern void intel_attach_force_audio_property(struct drm_connector
*connector
);
275 extern void intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
277 extern void intel_crt_init(struct drm_device
*dev
);
278 extern void intel_hdmi_init(struct drm_device
*dev
, int sdvox_reg
);
279 void intel_dip_infoframe_csum(struct dip_infoframe
*avi_if
);
280 extern bool intel_sdvo_init(struct drm_device
*dev
, int output_device
);
281 extern void intel_dvo_init(struct drm_device
*dev
);
282 extern void intel_tv_init(struct drm_device
*dev
);
283 extern void intel_mark_busy(struct drm_device
*dev
,
284 struct drm_i915_gem_object
*obj
);
285 extern bool intel_lvds_init(struct drm_device
*dev
);
286 extern void intel_dp_init(struct drm_device
*dev
, int dp_reg
);
288 intel_dp_set_m_n(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
289 struct drm_display_mode
*adjusted_mode
);
290 extern bool intel_dpd_is_edp(struct drm_device
*dev
);
291 extern void intel_edp_link_config(struct intel_encoder
*, int *, int *);
292 extern bool intel_encoder_is_pch_edp(struct drm_encoder
*encoder
);
295 extern void intel_fixed_panel_mode(struct drm_display_mode
*fixed_mode
,
296 struct drm_display_mode
*adjusted_mode
);
297 extern void intel_pch_panel_fitting(struct drm_device
*dev
,
299 struct drm_display_mode
*mode
,
300 struct drm_display_mode
*adjusted_mode
);
301 extern u32
intel_panel_get_max_backlight(struct drm_device
*dev
);
302 extern u32
intel_panel_get_backlight(struct drm_device
*dev
);
303 extern void intel_panel_set_backlight(struct drm_device
*dev
, u32 level
);
304 extern int intel_panel_setup_backlight(struct drm_device
*dev
);
305 extern void intel_panel_enable_backlight(struct drm_device
*dev
);
306 extern void intel_panel_disable_backlight(struct drm_device
*dev
);
307 extern void intel_panel_destroy_backlight(struct drm_device
*dev
);
308 extern enum drm_connector_status
intel_panel_detect(struct drm_device
*dev
);
310 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
311 extern void intel_encoder_prepare(struct drm_encoder
*encoder
);
312 extern void intel_encoder_commit(struct drm_encoder
*encoder
);
313 extern void intel_encoder_destroy(struct drm_encoder
*encoder
);
315 static inline struct intel_encoder
*intel_attached_encoder(struct drm_connector
*connector
)
317 return to_intel_connector(connector
)->encoder
;
320 extern void intel_connector_attach_encoder(struct intel_connector
*connector
,
321 struct intel_encoder
*encoder
);
322 extern struct drm_encoder
*intel_best_encoder(struct drm_connector
*connector
);
324 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
325 struct drm_crtc
*crtc
);
326 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
327 struct drm_file
*file_priv
);
328 extern void intel_wait_for_vblank(struct drm_device
*dev
, int pipe
);
329 extern void intel_wait_for_pipe_off(struct drm_device
*dev
, int pipe
);
331 struct intel_load_detect_pipe
{
332 struct drm_framebuffer
*release_fb
;
333 bool load_detect_temp
;
336 extern bool intel_get_load_detect_pipe(struct intel_encoder
*intel_encoder
,
337 struct drm_connector
*connector
,
338 struct drm_display_mode
*mode
,
339 struct intel_load_detect_pipe
*old
);
340 extern void intel_release_load_detect_pipe(struct intel_encoder
*intel_encoder
,
341 struct drm_connector
*connector
,
342 struct intel_load_detect_pipe
*old
);
344 extern void intelfb_restore(void);
345 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
346 u16 blue
, int regno
);
347 extern void intel_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
348 u16
*blue
, int regno
);
349 extern void intel_enable_clock_gating(struct drm_device
*dev
);
350 extern void ironlake_enable_drps(struct drm_device
*dev
);
351 extern void ironlake_disable_drps(struct drm_device
*dev
);
352 extern void gen6_enable_rps(struct drm_i915_private
*dev_priv
);
353 extern void gen6_update_ring_freq(struct drm_i915_private
*dev_priv
);
354 extern void gen6_disable_rps(struct drm_device
*dev
);
355 extern void intel_init_emon(struct drm_device
*dev
);
357 extern int intel_pin_and_fence_fb_obj(struct drm_device
*dev
,
358 struct drm_i915_gem_object
*obj
,
359 struct intel_ring_buffer
*pipelined
);
361 extern int intel_framebuffer_init(struct drm_device
*dev
,
362 struct intel_framebuffer
*ifb
,
363 struct drm_mode_fb_cmd
*mode_cmd
,
364 struct drm_i915_gem_object
*obj
);
365 extern int intel_fbdev_init(struct drm_device
*dev
);
366 extern void intel_fbdev_fini(struct drm_device
*dev
);
368 extern void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
369 extern void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
370 extern void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
372 extern void intel_setup_overlay(struct drm_device
*dev
);
373 extern void intel_cleanup_overlay(struct drm_device
*dev
);
374 extern int intel_overlay_switch_off(struct intel_overlay
*overlay
);
375 extern int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
376 struct drm_file
*file_priv
);
377 extern int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
378 struct drm_file
*file_priv
);
380 extern void intel_fb_output_poll_changed(struct drm_device
*dev
);
381 extern void intel_fb_restore_mode(struct drm_device
*dev
);
383 extern void intel_init_clock_gating(struct drm_device
*dev
);
384 extern void intel_write_eld(struct drm_encoder
*encoder
,
385 struct drm_display_mode
*mode
);
386 extern void intel_cpt_verify_modeset(struct drm_device
*dev
, int pipe
);
388 #endif /* __INTEL_DRV_H__ */