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(COND, MS) _wait_for(COND, MS, 1)
49 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
51 #define KHz(x) (1000*x)
52 #define MHz(x) KHz(1000*x)
55 * Display related stuff
58 /* store information about an Ixxx DVO */
59 /* The i830->i865 use multiple DVOs with multiple i2cs */
60 /* the i915, i945 have a single sDVO i2c bus - which is different */
62 /* maximum connectors per crtcs in the mode set */
63 #define INTELFB_CONN_LIMIT 4
65 #define INTEL_I2C_BUS_DVO 1
66 #define INTEL_I2C_BUS_SDVO 2
68 /* these are outputs from the chip - integrated only
69 external chips are via DVO or SDVO output */
70 #define INTEL_OUTPUT_UNUSED 0
71 #define INTEL_OUTPUT_ANALOG 1
72 #define INTEL_OUTPUT_DVO 2
73 #define INTEL_OUTPUT_SDVO 3
74 #define INTEL_OUTPUT_LVDS 4
75 #define INTEL_OUTPUT_TVOUT 5
76 #define INTEL_OUTPUT_HDMI 6
77 #define INTEL_OUTPUT_DISPLAYPORT 7
78 #define INTEL_OUTPUT_EDP 8
80 /* Intel Pipe Clone Bit */
81 #define INTEL_HDMIB_CLONE_BIT 1
82 #define INTEL_HDMIC_CLONE_BIT 2
83 #define INTEL_HDMID_CLONE_BIT 3
84 #define INTEL_HDMIE_CLONE_BIT 4
85 #define INTEL_HDMIF_CLONE_BIT 5
86 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
87 #define INTEL_SDVO_TV_CLONE_BIT 7
88 #define INTEL_SDVO_LVDS_CLONE_BIT 8
89 #define INTEL_ANALOG_CLONE_BIT 9
90 #define INTEL_TV_CLONE_BIT 10
91 #define INTEL_DP_B_CLONE_BIT 11
92 #define INTEL_DP_C_CLONE_BIT 12
93 #define INTEL_DP_D_CLONE_BIT 13
94 #define INTEL_LVDS_CLONE_BIT 14
95 #define INTEL_DVO_TMDS_CLONE_BIT 15
96 #define INTEL_DVO_LVDS_CLONE_BIT 16
97 #define INTEL_EDP_CLONE_BIT 17
99 #define INTEL_DVO_CHIP_NONE 0
100 #define INTEL_DVO_CHIP_LVDS 1
101 #define INTEL_DVO_CHIP_TMDS 2
102 #define INTEL_DVO_CHIP_TVOUT 4
104 /* drm_display_mode->private_flags */
105 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
106 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
107 #define INTEL_MODE_DP_FORCE_6BPC (0x10)
108 /* This flag must be set by the encoder's mode_fixup if it changes the crtc
109 * timings in the mode to prevent the crtc fixup from overwriting them.
110 * Currently only lvds needs that. */
111 #define INTEL_MODE_CRTC_TIMINGS_SET (0x20)
114 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
117 mode->clock *= multiplier;
118 mode->private_flags |= multiplier;
122 intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
124 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
127 struct intel_framebuffer {
128 struct drm_framebuffer base;
129 struct drm_i915_gem_object *obj;
133 struct drm_fb_helper helper;
134 struct intel_framebuffer ifb;
135 struct list_head fbdev_list;
136 struct drm_display_mode *our_mode;
139 struct intel_encoder {
140 struct drm_encoder base;
143 void (*hot_plug)(struct intel_encoder *);
148 struct intel_connector {
149 struct drm_connector base;
150 struct intel_encoder *encoder;
154 struct drm_crtc base;
157 u8 lut_r[256], lut_g[256], lut_b[256];
159 bool active; /* is the crtc on? independent of the dpms mode */
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_i915_gem_object *cursor_bo;
168 uint32_t cursor_addr;
169 int16_t cursor_x, cursor_y;
170 int16_t cursor_width, cursor_height;
174 bool no_pll; /* tertiary pipe for IVB */
179 struct drm_plane base;
181 struct drm_i915_gem_object *obj;
182 bool primary_disabled;
184 u32 lut_r[1024], lut_g[1024], lut_b[1024];
185 void (*update_plane)(struct drm_plane *plane,
186 struct drm_framebuffer *fb,
187 struct drm_i915_gem_object *obj,
188 int crtc_x, int crtc_y,
189 unsigned int crtc_w, unsigned int crtc_h,
190 uint32_t x, uint32_t y,
191 uint32_t src_w, uint32_t src_h);
192 void (*disable_plane)(struct drm_plane *plane);
193 int (*update_colorkey)(struct drm_plane *plane,
194 struct drm_intel_sprite_colorkey *key);
195 void (*get_colorkey)(struct drm_plane *plane,
196 struct drm_intel_sprite_colorkey *key);
199 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
200 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
201 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
202 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
203 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
205 #define DIP_HEADER_SIZE 5
207 #define DIP_TYPE_AVI 0x82
208 #define DIP_VERSION_AVI 0x2
209 #define DIP_LEN_AVI 13
211 #define DIP_TYPE_SPD 0x83
212 #define DIP_VERSION_SPD 0x1
213 #define DIP_LEN_SPD 25
214 #define DIP_SPD_UNKNOWN 0
215 #define DIP_SPD_DSTB 0x1
216 #define DIP_SPD_DVDP 0x2
217 #define DIP_SPD_DVHS 0x3
218 #define DIP_SPD_HDDVR 0x4
219 #define DIP_SPD_DVC 0x5
220 #define DIP_SPD_DSC 0x6
221 #define DIP_SPD_VCD 0x7
222 #define DIP_SPD_GAME 0x8
223 #define DIP_SPD_PC 0x9
224 #define DIP_SPD_BD 0xa
225 #define DIP_SPD_SCD 0xb
227 struct dip_infoframe {
228 uint8_t type; /* HB0 */
229 uint8_t ver; /* HB1 */
230 uint8_t len; /* HB2 - body len, not including checksum */
231 uint8_t ecc; /* Header ECC */
232 uint8_t checksum; /* PB0 */
235 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
237 /* PB2 - C 7:6, M 5:4, R 3:0 */
239 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
246 uint16_t top_bar_end;
247 uint16_t bottom_bar_start;
248 uint16_t left_bar_end;
249 uint16_t right_bar_start;
257 } __attribute__ ((packed)) body;
258 } __attribute__((packed));
260 static inline struct drm_crtc *
261 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
263 struct drm_i915_private *dev_priv = dev->dev_private;
264 return dev_priv->pipe_to_crtc_mapping[pipe];
267 static inline struct drm_crtc *
268 intel_get_crtc_for_plane(struct drm_device *dev, int plane)
270 struct drm_i915_private *dev_priv = dev->dev_private;
271 return dev_priv->plane_to_crtc_mapping[plane];
274 struct intel_unpin_work {
275 struct work_struct work;
276 struct drm_device *dev;
277 struct drm_i915_gem_object *old_fb_obj;
278 struct drm_i915_gem_object *pending_flip_obj;
279 struct drm_pending_vblank_event *event;
281 bool enable_stall_check;
284 struct intel_fbc_work {
285 struct delayed_work work;
286 struct drm_crtc *crtc;
287 struct drm_framebuffer *fb;
291 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
292 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
294 extern void intel_attach_force_audio_property(struct drm_connector *connector);
295 extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
297 extern void intel_crt_init(struct drm_device *dev);
298 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
299 void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
300 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
301 extern void intel_dvo_init(struct drm_device *dev);
302 extern void intel_tv_init(struct drm_device *dev);
303 extern void intel_mark_busy(struct drm_device *dev,
304 struct drm_i915_gem_object *obj);
305 extern bool intel_lvds_init(struct drm_device *dev);
306 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
308 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
309 struct drm_display_mode *adjusted_mode);
310 extern bool intel_dpd_is_edp(struct drm_device *dev);
311 extern void intel_edp_link_config(struct intel_encoder *, int *, int *);
312 extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
313 extern int intel_plane_init(struct drm_device *dev, enum pipe pipe);
316 extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
317 struct drm_display_mode *adjusted_mode);
318 extern void intel_pch_panel_fitting(struct drm_device *dev,
320 struct drm_display_mode *mode,
321 struct drm_display_mode *adjusted_mode);
322 extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
323 extern u32 intel_panel_get_backlight(struct drm_device *dev);
324 extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
325 extern int intel_panel_setup_backlight(struct drm_device *dev);
326 extern void intel_panel_enable_backlight(struct drm_device *dev);
327 extern void intel_panel_disable_backlight(struct drm_device *dev);
328 extern void intel_panel_destroy_backlight(struct drm_device *dev);
329 extern enum drm_connector_status intel_panel_detect(struct drm_device *dev);
331 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
332 extern void intel_encoder_prepare(struct drm_encoder *encoder);
333 extern void intel_encoder_commit(struct drm_encoder *encoder);
334 extern void intel_encoder_destroy(struct drm_encoder *encoder);
336 static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
338 return to_intel_connector(connector)->encoder;
341 extern void intel_connector_attach_encoder(struct intel_connector *connector,
342 struct intel_encoder *encoder);
343 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
345 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
346 struct drm_crtc *crtc);
347 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
348 struct drm_file *file_priv);
349 extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
350 extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
352 struct intel_load_detect_pipe {
353 struct drm_framebuffer *release_fb;
354 bool load_detect_temp;
357 extern bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
358 struct drm_connector *connector,
359 struct drm_display_mode *mode,
360 struct intel_load_detect_pipe *old);
361 extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
362 struct drm_connector *connector,
363 struct intel_load_detect_pipe *old);
365 extern void intelfb_restore(void);
366 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
367 u16 blue, int regno);
368 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
369 u16 *blue, int regno);
370 extern void intel_enable_clock_gating(struct drm_device *dev);
371 extern void ironlake_enable_drps(struct drm_device *dev);
372 extern void ironlake_disable_drps(struct drm_device *dev);
373 extern void gen6_enable_rps(struct drm_i915_private *dev_priv);
374 extern void gen6_update_ring_freq(struct drm_i915_private *dev_priv);
375 extern void gen6_disable_rps(struct drm_device *dev);
376 extern void intel_init_emon(struct drm_device *dev);
378 extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
379 struct drm_i915_gem_object *obj,
380 struct intel_ring_buffer *pipelined);
381 extern void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);
383 extern int intel_framebuffer_init(struct drm_device *dev,
384 struct intel_framebuffer *ifb,
385 struct drm_mode_fb_cmd2 *mode_cmd,
386 struct drm_i915_gem_object *obj);
387 extern int intel_fbdev_init(struct drm_device *dev);
388 extern void intel_fbdev_fini(struct drm_device *dev);
389 extern void intel_fbdev_set_suspend(struct drm_device *dev, int state);
390 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
391 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
392 extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
394 extern void intel_setup_overlay(struct drm_device *dev);
395 extern void intel_cleanup_overlay(struct drm_device *dev);
396 extern int intel_overlay_switch_off(struct intel_overlay *overlay);
397 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
398 struct drm_file *file_priv);
399 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
400 struct drm_file *file_priv);
402 extern void intel_fb_output_poll_changed(struct drm_device *dev);
403 extern void intel_fb_restore_mode(struct drm_device *dev);
405 extern void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,
407 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
408 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
410 extern void intel_init_clock_gating(struct drm_device *dev);
411 extern void intel_write_eld(struct drm_encoder *encoder,
412 struct drm_display_mode *mode);
413 extern void intel_cpt_verify_modeset(struct drm_device *dev, int pipe);
415 /* For use by IVB LP watermark workaround in intel_sprite.c */
416 extern void sandybridge_update_wm(struct drm_device *dev);
417 extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe,
418 uint32_t sprite_width,
421 extern int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
422 struct drm_file *file_priv);
423 extern int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
424 struct drm_file *file_priv);
426 #endif /* __INTEL_DRV_H__ */