xref: /dragonfly/sys/dev/drm/i915/intel_drv.h (revision 926deccb)
1 /*
2  * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3  * Copyright (c) 2007-2008 Intel Corporation
4  *   Jesse Barnes <jesse.barnes@intel.com>
5  *
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:
12  *
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
15  * Software.
16  *
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
23  * IN THE SOFTWARE.
24  *
25  * $FreeBSD: src/sys/dev/drm2/i915/intel_drv.h,v 1.1 2012/05/22 11:07:44 kib Exp $
26  */
27 
28 #ifndef DRM_INTEL_DRV_H
29 #define	DRM_INTEL_DRV_H
30 
31 #include "i915_drm.h"
32 #include "i915_drv.h"
33 #include <drm/drm_crtc.h>
34 #include <drm/drm_crtc_helper.h>
35 #include <drm/drm_fb_helper.h>
36 #include <drm/drm_dp_helper.h>
37 
38 #define _intel_wait_for(DEV, COND, MS, W, WMSG)				\
39 ({									\
40 	int end, ret;							\
41 									\
42 	end = ticks + (MS) * hz / 1000;					\
43 	ret = 0;							\
44 									\
45 	while (!(COND)) {						\
46 		if (time_after(ticks, end)) {				\
47 			ret = -ETIMEDOUT;				\
48 			break;						\
49 		}							\
50 		DELAY(1000);						\
51 	}								\
52 									\
53 	ret;								\
54 })
55 
56 #define KHz(x) (1000*x)
57 #define MHz(x) KHz(1000*x)
58 
59 /* store information about an Ixxx DVO */
60 /* The i830->i865 use multiple DVOs with multiple i2cs */
61 /* the i915, i945 have a single sDVO i2c bus - which is different */
62 #define MAX_OUTPUTS 6
63 /* maximum connectors per crtcs in the mode set */
64 #define INTELFB_CONN_LIMIT 4
65 
66 #define INTEL_I2C_BUS_DVO 1
67 #define INTEL_I2C_BUS_SDVO 2
68 
69 /* these are outputs from the chip - integrated only
70    external chips are via DVO or SDVO output */
71 #define INTEL_OUTPUT_UNUSED 0
72 #define INTEL_OUTPUT_ANALOG 1
73 #define INTEL_OUTPUT_DVO 2
74 #define INTEL_OUTPUT_SDVO 3
75 #define INTEL_OUTPUT_LVDS 4
76 #define INTEL_OUTPUT_TVOUT 5
77 #define INTEL_OUTPUT_HDMI 6
78 #define INTEL_OUTPUT_DISPLAYPORT 7
79 #define INTEL_OUTPUT_EDP 8
80 
81 /* Intel Pipe Clone Bit */
82 #define INTEL_HDMIB_CLONE_BIT 1
83 #define INTEL_HDMIC_CLONE_BIT 2
84 #define INTEL_HDMID_CLONE_BIT 3
85 #define INTEL_HDMIE_CLONE_BIT 4
86 #define INTEL_HDMIF_CLONE_BIT 5
87 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
88 #define INTEL_SDVO_TV_CLONE_BIT 7
89 #define INTEL_SDVO_LVDS_CLONE_BIT 8
90 #define INTEL_ANALOG_CLONE_BIT 9
91 #define INTEL_TV_CLONE_BIT 10
92 #define INTEL_DP_B_CLONE_BIT 11
93 #define INTEL_DP_C_CLONE_BIT 12
94 #define INTEL_DP_D_CLONE_BIT 13
95 #define INTEL_LVDS_CLONE_BIT 14
96 #define INTEL_DVO_TMDS_CLONE_BIT 15
97 #define INTEL_DVO_LVDS_CLONE_BIT 16
98 #define INTEL_EDP_CLONE_BIT 17
99 
100 #define INTEL_DVO_CHIP_NONE 0
101 #define INTEL_DVO_CHIP_LVDS 1
102 #define INTEL_DVO_CHIP_TMDS 2
103 #define INTEL_DVO_CHIP_TVOUT 4
104 
105 /* drm_display_mode->private_flags */
106 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
107 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
108 #define INTEL_MODE_DP_FORCE_6BPC (0x10)
109 /* This flag must be set by the encoder's mode_fixup if it changes the crtc
110  * timings in the mode to prevent the crtc fixup from overwriting them.
111  * Currently only lvds needs that. */
112 #define INTEL_MODE_CRTC_TIMINGS_SET (0x20)
113 
114 static inline void
115 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
116 				int multiplier)
117 {
118 	mode->clock *= multiplier;
119 	mode->private_flags |= multiplier;
120 }
121 
122 static inline int
123 intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
124 {
125 	return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
126 }
127 
128 struct intel_framebuffer {
129 	struct drm_framebuffer base;
130 	struct drm_i915_gem_object *obj;
131 };
132 
133 struct intel_fbdev {
134 	struct drm_fb_helper helper;
135 	struct intel_framebuffer ifb;
136 	struct list_head fbdev_list;
137 	struct drm_display_mode *our_mode;
138 };
139 
140 struct intel_encoder {
141 	struct drm_encoder base;
142 	int type;
143 	bool needs_tv_clock;
144 	void (*hot_plug)(struct intel_encoder *);
145 	int crtc_mask;
146 	int clone_mask;
147 };
148 
149 struct intel_connector {
150 	struct drm_connector base;
151 	struct intel_encoder *encoder;
152 };
153 
154 struct intel_crtc {
155 	struct drm_crtc base;
156 	enum i915_pipe pipe;
157 	enum plane plane;
158 	u8 lut_r[256], lut_g[256], lut_b[256];
159 	int dpms_mode;
160 	bool active; /* is the crtc on? independent of the dpms mode */
161 	bool busy; /* is scanout buffer being updated frequently? */
162 	struct callout idle_callout;
163 	bool lowfreq_avail;
164 	struct intel_overlay *overlay;
165 	struct intel_unpin_work *unpin_work;
166 	int fdi_lanes;
167 
168 	struct drm_i915_gem_object *cursor_bo;
169 	uint32_t cursor_addr;
170 	int16_t cursor_x, cursor_y;
171 	int16_t cursor_width, cursor_height;
172 	bool cursor_visible;
173 	unsigned int bpp;
174 
175 	bool no_pll; /* tertiary pipe for IVB */
176 	bool use_pll_a;
177 };
178 
179 struct intel_plane {
180 	struct drm_plane base;
181 	enum i915_pipe pipe;
182 	struct drm_i915_gem_object *obj;
183 	bool primary_disabled;
184 	int max_downscale;
185 	u32 lut_r[1024], lut_g[1024], lut_b[1024];
186 	void (*update_plane)(struct drm_plane *plane,
187 			     struct drm_framebuffer *fb,
188 			     struct drm_i915_gem_object *obj,
189 			     int crtc_x, int crtc_y,
190 			     unsigned int crtc_w, unsigned int crtc_h,
191 			     uint32_t x, uint32_t y,
192 			     uint32_t src_w, uint32_t src_h);
193 	void (*disable_plane)(struct drm_plane *plane);
194 	int (*update_colorkey)(struct drm_plane *plane,
195 			       struct drm_intel_sprite_colorkey *key);
196 	void (*get_colorkey)(struct drm_plane *plane,
197 			     struct drm_intel_sprite_colorkey *key);
198 };
199 
200 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
201 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
202 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
203 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
204 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
205 
206 #define DIP_HEADER_SIZE	5
207 
208 #define DIP_TYPE_AVI    0x82
209 #define DIP_VERSION_AVI 0x2
210 #define DIP_LEN_AVI     13
211 
212 #define DIP_TYPE_SPD	0x83
213 #define DIP_VERSION_SPD	0x1
214 #define DIP_LEN_SPD	25
215 #define DIP_SPD_UNKNOWN	0
216 #define DIP_SPD_DSTB	0x1
217 #define DIP_SPD_DVDP	0x2
218 #define DIP_SPD_DVHS	0x3
219 #define DIP_SPD_HDDVR	0x4
220 #define DIP_SPD_DVC	0x5
221 #define DIP_SPD_DSC	0x6
222 #define DIP_SPD_VCD	0x7
223 #define DIP_SPD_GAME	0x8
224 #define DIP_SPD_PC	0x9
225 #define DIP_SPD_BD	0xa
226 #define DIP_SPD_SCD	0xb
227 
228 struct dip_infoframe {
229 	uint8_t type;		/* HB0 */
230 	uint8_t ver;		/* HB1 */
231 	uint8_t len;		/* HB2 - body len, not including checksum */
232 	uint8_t ecc;		/* Header ECC */
233 	uint8_t checksum;	/* PB0 */
234 	union {
235 		struct {
236 			/* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
237 			uint8_t Y_A_B_S;
238 			/* PB2 - C 7:6, M 5:4, R 3:0 */
239 			uint8_t C_M_R;
240 			/* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
241 			uint8_t ITC_EC_Q_SC;
242 			/* PB4 - VIC 6:0 */
243 			uint8_t VIC;
244 			/* PB5 - PR 3:0 */
245 			uint8_t PR;
246 			/* PB6 to PB13 */
247 			uint16_t top_bar_end;
248 			uint16_t bottom_bar_start;
249 			uint16_t left_bar_end;
250 			uint16_t right_bar_start;
251 		} avi;
252 		struct {
253 			uint8_t vn[8];
254 			uint8_t pd[16];
255 			uint8_t sdi;
256 		} spd;
257 		uint8_t payload[27];
258 	} __attribute__ ((packed)) body;
259 } __attribute__((packed));
260 
261 static inline struct drm_crtc *
262 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
263 {
264 	struct drm_i915_private *dev_priv = dev->dev_private;
265 	return dev_priv->pipe_to_crtc_mapping[pipe];
266 }
267 
268 static inline struct drm_crtc *
269 intel_get_crtc_for_plane(struct drm_device *dev, int plane)
270 {
271 	struct drm_i915_private *dev_priv = dev->dev_private;
272 	return dev_priv->plane_to_crtc_mapping[plane];
273 }
274 
275 struct intel_unpin_work {
276 	struct task task;
277 	struct drm_device *dev;
278 	struct drm_i915_gem_object *old_fb_obj;
279 	struct drm_i915_gem_object *pending_flip_obj;
280 	struct drm_pending_vblank_event *event;
281 	int pending;
282 	bool enable_stall_check;
283 };
284 
285 struct intel_fbc_work {
286 	struct timeout_task task;
287 	struct drm_crtc *crtc;
288 	struct drm_framebuffer *fb;
289 	int interval;
290 };
291 
292 int intel_ddc_get_modes(struct drm_connector *c, device_t adapter);
293 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
294 
295 extern void intel_attach_force_audio_property(struct drm_connector *connector);
296 extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
297 
298 extern void intel_crt_init(struct drm_device *dev);
299 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
300 void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
301 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
302 extern void intel_dvo_init(struct drm_device *dev);
303 extern void intel_tv_init(struct drm_device *dev);
304 extern void intel_mark_busy(struct drm_device *dev,
305 			    struct drm_i915_gem_object *obj);
306 extern bool intel_lvds_init(struct drm_device *dev);
307 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
308 void
309 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
310 		 struct drm_display_mode *adjusted_mode);
311 extern bool intel_dpd_is_edp(struct drm_device *dev);
312 extern void intel_edp_link_config(struct intel_encoder *, int *, int *);
313 extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
314 extern int intel_plane_init(struct drm_device *dev, enum i915_pipe pipe);
315 
316 /* intel_panel.c */
317 extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
318 				   struct drm_display_mode *adjusted_mode);
319 extern void intel_pch_panel_fitting(struct drm_device *dev,
320 				    int fitting_mode,
321 				    const struct drm_display_mode *mode,
322 				    struct drm_display_mode *adjusted_mode);
323 extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
324 extern u32 intel_panel_get_backlight(struct drm_device *dev);
325 extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
326 extern int intel_panel_setup_backlight(struct drm_device *dev);
327 extern void intel_panel_enable_backlight(struct drm_device *dev);
328 extern void intel_panel_disable_backlight(struct drm_device *dev);
329 extern void intel_panel_destroy_backlight(struct drm_device *dev);
330 extern enum drm_connector_status intel_panel_detect(struct drm_device *dev);
331 
332 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
333 extern void intel_encoder_prepare(struct drm_encoder *encoder);
334 extern void intel_encoder_commit(struct drm_encoder *encoder);
335 extern void intel_encoder_destroy(struct drm_encoder *encoder);
336 
337 static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
338 {
339 	return to_intel_connector(connector)->encoder;
340 }
341 
342 extern void intel_connector_attach_encoder(struct intel_connector *connector,
343 					   struct intel_encoder *encoder);
344 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
345 
346 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
347 						    struct drm_crtc *crtc);
348 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
349 				struct drm_file *file_priv);
350 extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
351 extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
352 
353 struct intel_load_detect_pipe {
354 	struct drm_framebuffer *release_fb;
355 	bool load_detect_temp;
356 	int dpms_mode;
357 };
358 extern bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
359 				       struct drm_connector *connector,
360 				       struct drm_display_mode *mode,
361 				       struct intel_load_detect_pipe *old);
362 extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
363 					   struct drm_connector *connector,
364 					   struct intel_load_detect_pipe *old);
365 
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);
377 
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);
382 
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 
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);
393 
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);
401 
402 extern void intel_fb_output_poll_changed(struct drm_device *dev);
403 extern void intel_fb_restore_mode(struct drm_device *dev);
404 
405 extern void assert_pipe(struct drm_i915_private *dev_priv, enum i915_pipe pipe,
406 			bool state);
407 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
408 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
409 
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);
414 
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,
419 					   int pixel_size);
420 extern int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
421 				     struct drm_file *file_priv);
422 extern int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
423 				     struct drm_file *file_priv);
424 
425 #endif
426