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>
32 #include "drm_crtc_helper.h"
33 #include "drm_fb_helper.h"
35 #define _wait_for(COND, MS, W) ({ \
36 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
39 if (time_after(jiffies, timeout__)) { \
43 if (W && drm_can_sleep()) msleep(W); \
48 #define wait_for_atomic_us(COND, US) ({ \
49 int i, ret__ = -ETIMEDOUT; \
50 for (i = 0; i < (US); i++) { \
60 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
61 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
63 #define KHz(x) (1000*x)
64 #define MHz(x) KHz(1000*x)
67 * Display related stuff
70 /* store information about an Ixxx DVO */
71 /* The i830->i865 use multiple DVOs with multiple i2cs */
72 /* the i915, i945 have a single sDVO i2c bus - which is different */
74 /* maximum connectors per crtcs in the mode set */
75 #define INTELFB_CONN_LIMIT 4
77 #define INTEL_I2C_BUS_DVO 1
78 #define INTEL_I2C_BUS_SDVO 2
80 /* these are outputs from the chip - integrated only
81 external chips are via DVO or SDVO output */
82 #define INTEL_OUTPUT_UNUSED 0
83 #define INTEL_OUTPUT_ANALOG 1
84 #define INTEL_OUTPUT_DVO 2
85 #define INTEL_OUTPUT_SDVO 3
86 #define INTEL_OUTPUT_LVDS 4
87 #define INTEL_OUTPUT_TVOUT 5
88 #define INTEL_OUTPUT_HDMI 6
89 #define INTEL_OUTPUT_DISPLAYPORT 7
90 #define INTEL_OUTPUT_EDP 8
92 /* Intel Pipe Clone Bit */
93 #define INTEL_HDMIB_CLONE_BIT 1
94 #define INTEL_HDMIC_CLONE_BIT 2
95 #define INTEL_HDMID_CLONE_BIT 3
96 #define INTEL_HDMIE_CLONE_BIT 4
97 #define INTEL_HDMIF_CLONE_BIT 5
98 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
99 #define INTEL_SDVO_TV_CLONE_BIT 7
100 #define INTEL_SDVO_LVDS_CLONE_BIT 8
101 #define INTEL_ANALOG_CLONE_BIT 9
102 #define INTEL_TV_CLONE_BIT 10
103 #define INTEL_DP_B_CLONE_BIT 11
104 #define INTEL_DP_C_CLONE_BIT 12
105 #define INTEL_DP_D_CLONE_BIT 13
106 #define INTEL_LVDS_CLONE_BIT 14
107 #define INTEL_DVO_TMDS_CLONE_BIT 15
108 #define INTEL_DVO_LVDS_CLONE_BIT 16
109 #define INTEL_EDP_CLONE_BIT 17
111 #define INTEL_DVO_CHIP_NONE 0
112 #define INTEL_DVO_CHIP_LVDS 1
113 #define INTEL_DVO_CHIP_TMDS 2
114 #define INTEL_DVO_CHIP_TVOUT 4
116 /* drm_display_mode->private_flags */
117 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
118 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
119 #define INTEL_MODE_DP_FORCE_6BPC (0x10)
122 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
125 mode->clock *= multiplier;
126 mode->private_flags |= multiplier;
130 intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
132 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
135 struct intel_framebuffer {
136 struct drm_framebuffer base;
137 struct drm_i915_gem_object *obj;
141 struct drm_fb_helper helper;
142 struct intel_framebuffer ifb;
143 struct list_head fbdev_list;
144 struct drm_display_mode *our_mode;
147 struct intel_encoder {
148 struct drm_encoder base;
151 void (*hot_plug)(struct intel_encoder *);
156 struct intel_connector {
157 struct drm_connector base;
158 struct intel_encoder *encoder;
162 struct drm_crtc base;
165 u8 lut_r[256], lut_g[256], lut_b[256];
167 bool active; /* is the crtc on? independent of the dpms mode */
168 bool busy; /* is scanout buffer being updated frequently? */
169 struct timer_list idle_timer;
171 struct intel_overlay *overlay;
172 struct intel_unpin_work *unpin_work;
175 struct drm_i915_gem_object *cursor_bo;
176 uint32_t cursor_addr;
177 int16_t cursor_x, cursor_y;
178 int16_t cursor_width, cursor_height;
182 bool no_pll; /* tertiary pipe for IVB */
187 struct drm_plane base;
189 struct drm_i915_gem_object *obj;
190 bool primary_disabled;
192 u32 lut_r[1024], lut_g[1024], lut_b[1024];
193 void (*update_plane)(struct drm_plane *plane,
194 struct drm_framebuffer *fb,
195 struct drm_i915_gem_object *obj,
196 int crtc_x, int crtc_y,
197 unsigned int crtc_w, unsigned int crtc_h,
198 uint32_t x, uint32_t y,
199 uint32_t src_w, uint32_t src_h);
200 void (*disable_plane)(struct drm_plane *plane);
201 int (*update_colorkey)(struct drm_plane *plane,
202 struct drm_intel_sprite_colorkey *key);
203 void (*get_colorkey)(struct drm_plane *plane,
204 struct drm_intel_sprite_colorkey *key);
207 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
208 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
209 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
210 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
211 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
213 #define DIP_HEADER_SIZE 5
215 #define DIP_TYPE_AVI 0x82
216 #define DIP_VERSION_AVI 0x2
217 #define DIP_LEN_AVI 13
219 #define DIP_TYPE_SPD 0x83
220 #define DIP_VERSION_SPD 0x1
221 #define DIP_LEN_SPD 25
222 #define DIP_SPD_UNKNOWN 0
223 #define DIP_SPD_DSTB 0x1
224 #define DIP_SPD_DVDP 0x2
225 #define DIP_SPD_DVHS 0x3
226 #define DIP_SPD_HDDVR 0x4
227 #define DIP_SPD_DVC 0x5
228 #define DIP_SPD_DSC 0x6
229 #define DIP_SPD_VCD 0x7
230 #define DIP_SPD_GAME 0x8
231 #define DIP_SPD_PC 0x9
232 #define DIP_SPD_BD 0xa
233 #define DIP_SPD_SCD 0xb
235 struct dip_infoframe {
236 uint8_t type; /* HB0 */
237 uint8_t ver; /* HB1 */
238 uint8_t len; /* HB2 - body len, not including checksum */
239 uint8_t ecc; /* Header ECC */
240 uint8_t checksum; /* PB0 */
243 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
245 /* PB2 - C 7:6, M 5:4, R 3:0 */
247 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
254 uint16_t top_bar_end;
255 uint16_t bottom_bar_start;
256 uint16_t left_bar_end;
257 uint16_t right_bar_start;
265 } __attribute__ ((packed)) body;
266 } __attribute__((packed));
268 static inline struct drm_crtc *
269 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
271 struct drm_i915_private *dev_priv = dev->dev_private;
272 return dev_priv->pipe_to_crtc_mapping[pipe];
275 static inline struct drm_crtc *
276 intel_get_crtc_for_plane(struct drm_device *dev, int plane)
278 struct drm_i915_private *dev_priv = dev->dev_private;
279 return dev_priv->plane_to_crtc_mapping[plane];
282 struct intel_unpin_work {
283 struct work_struct work;
284 struct drm_device *dev;
285 struct drm_i915_gem_object *old_fb_obj;
286 struct drm_i915_gem_object *pending_flip_obj;
287 struct drm_pending_vblank_event *event;
289 bool enable_stall_check;
292 struct intel_fbc_work {
293 struct delayed_work work;
294 struct drm_crtc *crtc;
295 struct drm_framebuffer *fb;
299 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
300 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
302 extern void intel_attach_force_audio_property(struct drm_connector *connector);
303 extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
305 extern void intel_crt_init(struct drm_device *dev);
306 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
307 void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
308 extern bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg,
310 extern void intel_dvo_init(struct drm_device *dev);
311 extern void intel_tv_init(struct drm_device *dev);
312 extern void intel_mark_busy(struct drm_device *dev,
313 struct drm_i915_gem_object *obj);
314 extern bool intel_lvds_init(struct drm_device *dev);
315 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
317 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
318 struct drm_display_mode *adjusted_mode);
319 extern bool intel_dpd_is_edp(struct drm_device *dev);
320 extern void intel_edp_link_config(struct intel_encoder *, int *, int *);
321 extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
322 extern int intel_plane_init(struct drm_device *dev, enum pipe pipe);
325 extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
326 struct drm_display_mode *adjusted_mode);
327 extern void intel_pch_panel_fitting(struct drm_device *dev,
329 struct drm_display_mode *mode,
330 struct drm_display_mode *adjusted_mode);
331 extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
332 extern u32 intel_panel_get_backlight(struct drm_device *dev);
333 extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
334 extern int intel_panel_setup_backlight(struct drm_device *dev);
335 extern void intel_panel_enable_backlight(struct drm_device *dev);
336 extern void intel_panel_disable_backlight(struct drm_device *dev);
337 extern void intel_panel_destroy_backlight(struct drm_device *dev);
338 extern enum drm_connector_status intel_panel_detect(struct drm_device *dev);
340 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
341 extern void intel_encoder_prepare(struct drm_encoder *encoder);
342 extern void intel_encoder_commit(struct drm_encoder *encoder);
343 extern void intel_encoder_destroy(struct drm_encoder *encoder);
345 static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
347 return to_intel_connector(connector)->encoder;
350 extern void intel_connector_attach_encoder(struct intel_connector *connector,
351 struct intel_encoder *encoder);
352 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
354 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
355 struct drm_crtc *crtc);
356 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
357 struct drm_file *file_priv);
358 extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
359 extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
361 struct intel_load_detect_pipe {
362 struct drm_framebuffer *release_fb;
363 bool load_detect_temp;
366 extern bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
367 struct drm_connector *connector,
368 struct drm_display_mode *mode,
369 struct intel_load_detect_pipe *old);
370 extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
371 struct drm_connector *connector,
372 struct intel_load_detect_pipe *old);
374 extern void intelfb_restore(void);
375 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
376 u16 blue, int regno);
377 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
378 u16 *blue, int regno);
379 extern void intel_enable_clock_gating(struct drm_device *dev);
380 extern void ironlake_enable_drps(struct drm_device *dev);
381 extern void ironlake_disable_drps(struct drm_device *dev);
382 extern void gen6_enable_rps(struct drm_i915_private *dev_priv);
383 extern void gen6_update_ring_freq(struct drm_i915_private *dev_priv);
384 extern void gen6_disable_rps(struct drm_device *dev);
385 extern void intel_init_emon(struct drm_device *dev);
387 extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
388 struct drm_i915_gem_object *obj,
389 struct intel_ring_buffer *pipelined);
390 extern void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);
392 extern int intel_framebuffer_init(struct drm_device *dev,
393 struct intel_framebuffer *ifb,
394 struct drm_mode_fb_cmd2 *mode_cmd,
395 struct drm_i915_gem_object *obj);
396 extern int intel_fbdev_init(struct drm_device *dev);
397 extern void intel_fbdev_fini(struct drm_device *dev);
398 extern void intel_fbdev_set_suspend(struct drm_device *dev, int state);
399 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
400 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
401 extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
403 extern void intel_setup_overlay(struct drm_device *dev);
404 extern void intel_cleanup_overlay(struct drm_device *dev);
405 extern int intel_overlay_switch_off(struct intel_overlay *overlay);
406 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
407 struct drm_file *file_priv);
408 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
409 struct drm_file *file_priv);
411 extern void intel_fb_output_poll_changed(struct drm_device *dev);
412 extern void intel_fb_restore_mode(struct drm_device *dev);
414 extern void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,
416 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
417 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
419 extern void intel_init_clock_gating(struct drm_device *dev);
420 extern void intel_write_eld(struct drm_encoder *encoder,
421 struct drm_display_mode *mode);
422 extern void intel_cpt_verify_modeset(struct drm_device *dev, int pipe);
424 /* For use by IVB LP watermark workaround in intel_sprite.c */
425 extern void intel_update_watermarks(struct drm_device *dev);
426 extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe,
427 uint32_t sprite_width,
430 extern int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
431 struct drm_file *file_priv);
432 extern int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
433 struct drm_file *file_priv);
435 extern u32 intel_dpio_read(struct drm_i915_private *dev_priv, int reg);
437 #endif /* __INTEL_DRV_H__ */