xref: /linux/drivers/gpu/drm/radeon/radeon_mode.h (revision d53b8e36925256097a08d7cb749198d85cbf9b2b)
1 /*
2  * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
3  *                VA Linux Systems Inc., Fremont, California.
4  * Copyright 2008 Red Hat Inc.
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 shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Original Authors:
25  *   Kevin E. Martin, Rickard E. Faith, Alan Hourihane
26  *
27  * Kernel port Author: Dave Airlie
28  */
29 
30 #ifndef RADEON_MODE_H
31 #define RADEON_MODE_H
32 
33 #include <drm/display/drm_dp_helper.h>
34 #include <drm/drm_crtc.h>
35 #include <drm/drm_encoder.h>
36 #include <drm/drm_fixed.h>
37 #include <drm/drm_modeset_helper_vtables.h>
38 #include <linux/i2c.h>
39 #include <linux/i2c-algo-bit.h>
40 
41 struct edid;
42 struct drm_edid;
43 struct radeon_bo;
44 struct radeon_device;
45 
46 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
47 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
48 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
49 
50 #define RADEON_MAX_HPD_PINS 7
51 #define RADEON_MAX_CRTCS 6
52 #define RADEON_MAX_AFMT_BLOCKS 7
53 
54 enum radeon_rmx_type {
55 	RMX_OFF,
56 	RMX_FULL,
57 	RMX_CENTER,
58 	RMX_ASPECT
59 };
60 
61 enum radeon_tv_std {
62 	TV_STD_NTSC,
63 	TV_STD_PAL,
64 	TV_STD_PAL_M,
65 	TV_STD_PAL_60,
66 	TV_STD_NTSC_J,
67 	TV_STD_SCART_PAL,
68 	TV_STD_SECAM,
69 	TV_STD_PAL_CN,
70 	TV_STD_PAL_N,
71 };
72 
73 enum radeon_underscan_type {
74 	UNDERSCAN_OFF,
75 	UNDERSCAN_ON,
76 	UNDERSCAN_AUTO,
77 };
78 
79 enum radeon_hpd_id {
80 	RADEON_HPD_1 = 0,
81 	RADEON_HPD_2,
82 	RADEON_HPD_3,
83 	RADEON_HPD_4,
84 	RADEON_HPD_5,
85 	RADEON_HPD_6,
86 	RADEON_HPD_NONE = 0xff,
87 };
88 
89 enum radeon_output_csc {
90 	RADEON_OUTPUT_CSC_BYPASS = 0,
91 	RADEON_OUTPUT_CSC_TVRGB = 1,
92 	RADEON_OUTPUT_CSC_YCBCR601 = 2,
93 	RADEON_OUTPUT_CSC_YCBCR709 = 3,
94 };
95 
96 #define RADEON_MAX_I2C_BUS 16
97 
98 /* radeon gpio-based i2c
99  * 1. "mask" reg and bits
100  *    grabs the gpio pins for software use
101  *    0=not held  1=held
102  * 2. "a" reg and bits
103  *    output pin value
104  *    0=low 1=high
105  * 3. "en" reg and bits
106  *    sets the pin direction
107  *    0=input 1=output
108  * 4. "y" reg and bits
109  *    input pin value
110  *    0=low 1=high
111  */
112 struct radeon_i2c_bus_rec {
113 	bool valid;
114 	/* id used by atom */
115 	uint8_t i2c_id;
116 	/* id used by atom */
117 	enum radeon_hpd_id hpd;
118 	/* can be used with hw i2c engine */
119 	bool hw_capable;
120 	/* uses multi-media i2c engine */
121 	bool mm_i2c;
122 	/* regs and bits */
123 	uint32_t mask_clk_reg;
124 	uint32_t mask_data_reg;
125 	uint32_t a_clk_reg;
126 	uint32_t a_data_reg;
127 	uint32_t en_clk_reg;
128 	uint32_t en_data_reg;
129 	uint32_t y_clk_reg;
130 	uint32_t y_data_reg;
131 	uint32_t mask_clk_mask;
132 	uint32_t mask_data_mask;
133 	uint32_t a_clk_mask;
134 	uint32_t a_data_mask;
135 	uint32_t en_clk_mask;
136 	uint32_t en_data_mask;
137 	uint32_t y_clk_mask;
138 	uint32_t y_data_mask;
139 };
140 
141 struct radeon_tmds_pll {
142     uint32_t freq;
143     uint32_t value;
144 };
145 
146 #define RADEON_MAX_BIOS_CONNECTOR 16
147 
148 /* pll flags */
149 #define RADEON_PLL_USE_BIOS_DIVS        (1 << 0)
150 #define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)
151 #define RADEON_PLL_USE_REF_DIV          (1 << 2)
152 #define RADEON_PLL_LEGACY               (1 << 3)
153 #define RADEON_PLL_PREFER_LOW_REF_DIV   (1 << 4)
154 #define RADEON_PLL_PREFER_HIGH_REF_DIV  (1 << 5)
155 #define RADEON_PLL_PREFER_LOW_FB_DIV    (1 << 6)
156 #define RADEON_PLL_PREFER_HIGH_FB_DIV   (1 << 7)
157 #define RADEON_PLL_PREFER_LOW_POST_DIV  (1 << 8)
158 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
159 #define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)
160 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
161 #define RADEON_PLL_USE_POST_DIV         (1 << 12)
162 #define RADEON_PLL_IS_LCD               (1 << 13)
163 #define RADEON_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
164 
165 struct radeon_pll {
166 	/* reference frequency */
167 	uint32_t reference_freq;
168 
169 	/* fixed dividers */
170 	uint32_t reference_div;
171 	uint32_t post_div;
172 
173 	/* pll in/out limits */
174 	uint32_t pll_in_min;
175 	uint32_t pll_in_max;
176 	uint32_t pll_out_min;
177 	uint32_t pll_out_max;
178 	uint32_t lcd_pll_out_min;
179 	uint32_t lcd_pll_out_max;
180 	uint32_t best_vco;
181 
182 	/* divider limits */
183 	uint32_t min_ref_div;
184 	uint32_t max_ref_div;
185 	uint32_t min_post_div;
186 	uint32_t max_post_div;
187 	uint32_t min_feedback_div;
188 	uint32_t max_feedback_div;
189 	uint32_t min_frac_feedback_div;
190 	uint32_t max_frac_feedback_div;
191 
192 	/* flags for the current clock */
193 	uint32_t flags;
194 
195 	/* pll id */
196 	uint32_t id;
197 };
198 
199 struct radeon_i2c_chan {
200 	struct i2c_adapter adapter;
201 	struct drm_device *dev;
202 	struct i2c_algo_bit_data bit;
203 	struct radeon_i2c_bus_rec rec;
204 	struct drm_dp_aux aux;
205 	bool has_aux;
206 	struct mutex mutex;
207 };
208 
209 /* mostly for macs, but really any system without connector tables */
210 enum radeon_connector_table {
211 	CT_NONE = 0,
212 	CT_GENERIC,
213 	CT_IBOOK,
214 	CT_POWERBOOK_EXTERNAL,
215 	CT_POWERBOOK_INTERNAL,
216 	CT_POWERBOOK_VGA,
217 	CT_MINI_EXTERNAL,
218 	CT_MINI_INTERNAL,
219 	CT_IMAC_G5_ISIGHT,
220 	CT_EMAC,
221 	CT_RN50_POWER,
222 	CT_MAC_X800,
223 	CT_MAC_G5_9600,
224 	CT_SAM440EP,
225 	CT_MAC_G4_SILVER
226 };
227 
228 enum radeon_dvo_chip {
229 	DVO_SIL164,
230 	DVO_SIL1178,
231 };
232 
233 struct radeon_afmt {
234 	bool enabled;
235 	int offset;
236 	bool last_buffer_filled_status;
237 	int id;
238 };
239 
240 struct radeon_mode_info {
241 	struct atom_context *atom_context;
242 	struct card_info *atom_card_info;
243 	enum radeon_connector_table connector_table;
244 	bool mode_config_initialized;
245 	struct radeon_crtc *crtcs[RADEON_MAX_CRTCS];
246 	struct radeon_afmt *afmt[RADEON_MAX_AFMT_BLOCKS];
247 	/* DVI-I properties */
248 	struct drm_property *coherent_mode_property;
249 	/* DAC enable load detect */
250 	struct drm_property *load_detect_property;
251 	/* TV standard */
252 	struct drm_property *tv_std_property;
253 	/* legacy TMDS PLL detect */
254 	struct drm_property *tmds_pll_property;
255 	/* underscan */
256 	struct drm_property *underscan_property;
257 	struct drm_property *underscan_hborder_property;
258 	struct drm_property *underscan_vborder_property;
259 	/* audio */
260 	struct drm_property *audio_property;
261 	/* FMT dithering */
262 	struct drm_property *dither_property;
263 	/* Output CSC */
264 	struct drm_property *output_csc_property;
265 	/* hardcoded DFP edid from BIOS */
266 	const struct drm_edid *bios_hardcoded_edid;
267 
268 	/* firmware flags */
269 	u16 firmware_flags;
270 	/* pointer to backlight encoder */
271 	struct radeon_encoder *bl_encoder;
272 
273 	/* bitmask for active encoder frontends */
274 	uint32_t active_encoders;
275 };
276 
277 #define RADEON_MAX_BL_LEVEL 0xFF
278 
279 struct radeon_backlight_privdata {
280 	struct radeon_encoder *encoder;
281 	uint8_t negative;
282 };
283 
284 #define MAX_H_CODE_TIMING_LEN 32
285 #define MAX_V_CODE_TIMING_LEN 32
286 
287 /* need to store these as reading
288    back code tables is excessive */
289 struct radeon_tv_regs {
290 	uint32_t tv_uv_adr;
291 	uint32_t timing_cntl;
292 	uint32_t hrestart;
293 	uint32_t vrestart;
294 	uint32_t frestart;
295 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
296 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
297 };
298 
299 struct radeon_atom_ss {
300 	uint16_t percentage;
301 	uint16_t percentage_divider;
302 	uint8_t type;
303 	uint16_t step;
304 	uint8_t delay;
305 	uint8_t range;
306 	uint8_t refdiv;
307 	/* asic_ss */
308 	uint16_t rate;
309 	uint16_t amount;
310 };
311 
312 enum radeon_flip_status {
313 	RADEON_FLIP_NONE,
314 	RADEON_FLIP_PENDING,
315 	RADEON_FLIP_SUBMITTED
316 };
317 
318 struct radeon_crtc {
319 	struct drm_crtc base;
320 	int crtc_id;
321 	bool enabled;
322 	bool can_tile;
323 	bool cursor_out_of_bounds;
324 	uint32_t crtc_offset;
325 	struct drm_gem_object *cursor_bo;
326 	uint64_t cursor_addr;
327 	int cursor_x;
328 	int cursor_y;
329 	int cursor_hot_x;
330 	int cursor_hot_y;
331 	int cursor_width;
332 	int cursor_height;
333 	int max_cursor_width;
334 	int max_cursor_height;
335 	uint32_t legacy_display_base_addr;
336 	enum radeon_rmx_type rmx_type;
337 	u8 h_border;
338 	u8 v_border;
339 	fixed20_12 vsc;
340 	fixed20_12 hsc;
341 	struct drm_display_mode native_mode;
342 	int pll_id;
343 	/* page flipping */
344 	struct workqueue_struct *flip_queue;
345 	struct radeon_flip_work *flip_work;
346 	enum radeon_flip_status flip_status;
347 	/* pll sharing */
348 	struct radeon_atom_ss ss;
349 	bool ss_enabled;
350 	u32 adjusted_clock;
351 	int bpc;
352 	u32 pll_reference_div;
353 	u32 pll_post_div;
354 	u32 pll_flags;
355 	struct drm_encoder *encoder;
356 	struct drm_connector *connector;
357 	/* for dpm */
358 	u32 line_time;
359 	u32 wm_low;
360 	u32 wm_high;
361 	u32 lb_vblank_lead_lines;
362 	struct drm_display_mode hw_mode;
363 	enum radeon_output_csc output_csc;
364 };
365 
366 struct radeon_encoder_primary_dac {
367 	/* legacy primary dac */
368 	uint32_t ps2_pdac_adj;
369 };
370 
371 struct radeon_encoder_lvds {
372 	/* legacy lvds */
373 	uint16_t panel_vcc_delay;
374 	uint8_t  panel_pwr_delay;
375 	uint8_t  panel_digon_delay;
376 	uint8_t  panel_blon_delay;
377 	uint16_t panel_ref_divider;
378 	uint8_t  panel_post_divider;
379 	uint16_t panel_fb_divider;
380 	bool     use_bios_dividers;
381 	uint32_t lvds_gen_cntl;
382 	/* panel mode */
383 	struct drm_display_mode native_mode;
384 	struct backlight_device *bl_dev;
385 	int      dpms_mode;
386 	uint8_t  backlight_level;
387 };
388 
389 struct radeon_encoder_tv_dac {
390 	/* legacy tv dac */
391 	uint32_t ps2_tvdac_adj;
392 	uint32_t ntsc_tvdac_adj;
393 	uint32_t pal_tvdac_adj;
394 
395 	int               h_pos;
396 	int               v_pos;
397 	int               h_size;
398 	int               supported_tv_stds;
399 	bool              tv_on;
400 	enum radeon_tv_std tv_std;
401 	struct radeon_tv_regs tv;
402 };
403 
404 struct radeon_encoder_int_tmds {
405 	/* legacy int tmds */
406 	struct radeon_tmds_pll tmds_pll[4];
407 };
408 
409 struct radeon_encoder_ext_tmds {
410 	/* tmds over dvo */
411 	struct radeon_i2c_chan *i2c_bus;
412 	uint8_t slave_addr;
413 	enum radeon_dvo_chip dvo_chip;
414 };
415 
416 /* spread spectrum */
417 struct radeon_encoder_atom_dig {
418 	bool linkb;
419 	/* atom dig */
420 	bool coherent_mode;
421 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
422 	/* atom lvds/edp */
423 	uint32_t lcd_misc;
424 	uint16_t panel_pwr_delay;
425 	uint32_t lcd_ss_id;
426 	/* panel mode */
427 	struct drm_display_mode native_mode;
428 	struct backlight_device *bl_dev;
429 	int dpms_mode;
430 	uint8_t backlight_level;
431 	int panel_mode;
432 	struct radeon_afmt *afmt;
433 	struct r600_audio_pin *pin;
434 };
435 
436 struct radeon_encoder_atom_dac {
437 	enum radeon_tv_std tv_std;
438 };
439 
440 struct radeon_encoder {
441 	struct drm_encoder base;
442 	uint32_t encoder_enum;
443 	uint32_t encoder_id;
444 	uint32_t devices;
445 	uint32_t active_device;
446 	uint32_t flags;
447 	uint32_t pixel_clock;
448 	enum radeon_rmx_type rmx_type;
449 	enum radeon_underscan_type underscan_type;
450 	uint32_t underscan_hborder;
451 	uint32_t underscan_vborder;
452 	struct drm_display_mode native_mode;
453 	void *enc_priv;
454 	int audio_polling_active;
455 	bool is_ext_encoder;
456 	u16 caps;
457 	struct radeon_audio_funcs *audio;
458 	enum radeon_output_csc output_csc;
459 	bool can_mst;
460 	uint32_t offset;
461 };
462 
463 struct radeon_connector_atom_dig {
464 	uint32_t igp_lane_info;
465 	/* displayport */
466 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
467 	u8 dp_sink_type;
468 	int dp_clock;
469 	int dp_lane_count;
470 	bool edp_on;
471 };
472 
473 struct radeon_gpio_rec {
474 	bool valid;
475 	u8 id;
476 	u32 reg;
477 	u32 mask;
478 	u32 shift;
479 };
480 
481 struct radeon_hpd {
482 	enum radeon_hpd_id hpd;
483 	u8 plugged_state;
484 	struct radeon_gpio_rec gpio;
485 };
486 
487 struct radeon_router {
488 	u32 router_id;
489 	struct radeon_i2c_bus_rec i2c_info;
490 	u8 i2c_addr;
491 	/* i2c mux */
492 	bool ddc_valid;
493 	u8 ddc_mux_type;
494 	u8 ddc_mux_control_pin;
495 	u8 ddc_mux_state;
496 	/* clock/data mux */
497 	bool cd_valid;
498 	u8 cd_mux_type;
499 	u8 cd_mux_control_pin;
500 	u8 cd_mux_state;
501 };
502 
503 enum radeon_connector_audio {
504 	RADEON_AUDIO_DISABLE = 0,
505 	RADEON_AUDIO_ENABLE = 1,
506 	RADEON_AUDIO_AUTO = 2
507 };
508 
509 enum radeon_connector_dither {
510 	RADEON_FMT_DITHER_DISABLE = 0,
511 	RADEON_FMT_DITHER_ENABLE = 1,
512 };
513 
514 struct radeon_connector {
515 	struct drm_connector base;
516 	uint32_t connector_id;
517 	uint32_t devices;
518 	struct radeon_i2c_chan *ddc_bus;
519 	/* some systems have an hdmi and vga port with a shared ddc line */
520 	bool shared_ddc;
521 	bool use_digital;
522 	/* we need to mind the EDID between detect
523 	   and get modes due to analog/digital/tvencoder */
524 	struct edid *edid;
525 	void *con_priv;
526 	bool dac_load_detect;
527 	bool detected_by_load; /* if the connection status was determined by load */
528 	bool detected_hpd_without_ddc; /* if an HPD signal was detected on DVI, but ddc probing failed */
529 	uint16_t connector_object_id;
530 	struct radeon_hpd hpd;
531 	struct radeon_router router;
532 	struct radeon_i2c_chan *router_bus;
533 	enum radeon_connector_audio audio;
534 	enum radeon_connector_dither dither;
535 	int pixelclock_for_modeset;
536 };
537 
538 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
539 				((em) == ATOM_ENCODER_MODE_DP_MST))
540 
541 struct atom_clock_dividers {
542 	u32 post_div;
543 	union {
544 		struct {
545 #ifdef __BIG_ENDIAN
546 			u32 reserved : 6;
547 			u32 whole_fb_div : 12;
548 			u32 frac_fb_div : 14;
549 #else
550 			u32 frac_fb_div : 14;
551 			u32 whole_fb_div : 12;
552 			u32 reserved : 6;
553 #endif
554 		};
555 		u32 fb_div;
556 	};
557 	u32 ref_div;
558 	bool enable_post_div;
559 	bool enable_dithen;
560 	u32 vco_mode;
561 	u32 real_clock;
562 	/* added for CI */
563 	u32 post_divider;
564 	u32 flags;
565 };
566 
567 struct atom_mpll_param {
568 	union {
569 		struct {
570 #ifdef __BIG_ENDIAN
571 			u32 reserved : 8;
572 			u32 clkfrac : 12;
573 			u32 clkf : 12;
574 #else
575 			u32 clkf : 12;
576 			u32 clkfrac : 12;
577 			u32 reserved : 8;
578 #endif
579 		};
580 		u32 fb_div;
581 	};
582 	u32 post_div;
583 	u32 bwcntl;
584 	u32 dll_speed;
585 	u32 vco_mode;
586 	u32 yclk_sel;
587 	u32 qdr;
588 	u32 half_rate;
589 };
590 
591 #define MEM_TYPE_GDDR5  0x50
592 #define MEM_TYPE_GDDR4  0x40
593 #define MEM_TYPE_GDDR3  0x30
594 #define MEM_TYPE_DDR2   0x20
595 #define MEM_TYPE_GDDR1  0x10
596 #define MEM_TYPE_DDR3   0xb0
597 #define MEM_TYPE_MASK   0xf0
598 
599 struct atom_memory_info {
600 	u8 mem_vendor;
601 	u8 mem_type;
602 };
603 
604 #define MAX_AC_TIMING_ENTRIES 16
605 
606 struct atom_memory_clock_range_table {
607 	u8 num_entries;
608 	u8 rsv[3];
609 	u32 mclk[MAX_AC_TIMING_ENTRIES];
610 };
611 
612 #define VBIOS_MC_REGISTER_ARRAY_SIZE 32
613 #define VBIOS_MAX_AC_TIMING_ENTRIES 20
614 
615 struct atom_mc_reg_entry {
616 	u32 mclk_max;
617 	u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
618 };
619 
620 struct atom_mc_register_address {
621 	u16 s1;
622 	u8 pre_reg_data;
623 };
624 
625 struct atom_mc_reg_table {
626 	u8 last;
627 	u8 num_entries;
628 	struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
629 	struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
630 };
631 
632 #define MAX_VOLTAGE_ENTRIES 32
633 
634 struct atom_voltage_table_entry {
635 	u16 value;
636 	u32 smio_low;
637 };
638 
639 struct atom_voltage_table {
640 	u32 count;
641 	u32 mask_low;
642 	u32 phase_delay;
643 	struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
644 };
645 
646 /* Driver internal use only flags of radeon_get_crtc_scanoutpos() */
647 #define DRM_SCANOUTPOS_VALID        (1 << 0)
648 #define DRM_SCANOUTPOS_IN_VBLANK    (1 << 1)
649 #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
650 #define USE_REAL_VBLANKSTART 		(1 << 30)
651 #define GET_DISTANCE_TO_VBLANKSTART	(1 << 31)
652 
653 extern void
654 radeon_add_atom_connector(struct drm_device *dev,
655 			  uint32_t connector_id,
656 			  uint32_t supported_device,
657 			  int connector_type,
658 			  struct radeon_i2c_bus_rec *i2c_bus,
659 			  uint32_t igp_lane_info,
660 			  uint16_t connector_object_id,
661 			  struct radeon_hpd *hpd,
662 			  struct radeon_router *router);
663 extern void
664 radeon_add_legacy_connector(struct drm_device *dev,
665 			    uint32_t connector_id,
666 			    uint32_t supported_device,
667 			    int connector_type,
668 			    struct radeon_i2c_bus_rec *i2c_bus,
669 			    uint16_t connector_object_id,
670 			    struct radeon_hpd *hpd);
671 extern uint32_t
672 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
673 			uint8_t dac);
674 extern void radeon_link_encoder_connector(struct drm_device *dev);
675 
676 extern enum radeon_tv_std
677 radeon_combios_get_tv_info(struct radeon_device *rdev);
678 extern enum radeon_tv_std
679 radeon_atombios_get_tv_info(struct radeon_device *rdev);
680 extern void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
681 						 u16 *vddc, u16 *vddci, u16 *mvdd);
682 
683 extern void
684 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
685 				      struct drm_encoder *encoder,
686 				      bool connected);
687 extern void
688 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
689 				       struct drm_encoder *encoder,
690 				       bool connected);
691 
692 extern struct drm_connector *
693 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
694 extern struct drm_connector *
695 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
696 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
697 				    u32 pixel_clock);
698 
699 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
700 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
701 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
702 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
703 
704 extern void radeon_connector_hotplug(struct drm_connector *connector);
705 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
706 				       struct drm_display_mode *mode);
707 extern void radeon_dp_set_link_config(struct drm_connector *connector,
708 				      const struct drm_display_mode *mode);
709 extern void radeon_dp_link_train(struct drm_encoder *encoder,
710 				 struct drm_connector *connector);
711 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
712 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
713 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
714 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
715 				    struct drm_connector *connector);
716 extern void radeon_dp_set_rx_power_state(struct drm_connector *connector,
717 					 u8 power_state);
718 extern void radeon_dp_aux_init(struct radeon_connector *radeon_connector);
719 extern ssize_t
720 radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg);
721 
722 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
723 extern void atombios_dig_encoder_setup2(struct drm_encoder *encoder, int action, int panel_mode, int enc_override);
724 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
725 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
726 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
727 					   int action, uint8_t lane_num,
728 					   uint8_t lane_set);
729 extern void atombios_dig_transmitter_setup2(struct drm_encoder *encoder,
730 					    int action, uint8_t lane_num,
731 					    uint8_t lane_set, int fe);
732 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
733 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
734 void radeon_atom_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
735 
736 extern void radeon_i2c_init(struct radeon_device *rdev);
737 extern void radeon_i2c_fini(struct radeon_device *rdev);
738 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
739 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
740 extern void radeon_i2c_add(struct radeon_device *rdev,
741 			   struct radeon_i2c_bus_rec *rec,
742 			   const char *name);
743 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
744 						 struct radeon_i2c_bus_rec *i2c_bus);
745 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
746 						 struct radeon_i2c_bus_rec *rec,
747 						 const char *name);
748 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
749 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
750 				u8 slave_addr,
751 				u8 addr,
752 				u8 *val);
753 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
754 				u8 slave_addr,
755 				u8 addr,
756 				u8 val);
757 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
758 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
759 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
760 
761 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
762 					     struct radeon_atom_ss *ss,
763 					     int id);
764 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
765 					     struct radeon_atom_ss *ss,
766 					     int id, u32 clock);
767 extern struct radeon_gpio_rec radeon_atombios_lookup_gpio(struct radeon_device *rdev,
768 							  u8 id);
769 
770 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
771 				      uint64_t freq,
772 				      uint32_t *dot_clock_p,
773 				      uint32_t *fb_div_p,
774 				      uint32_t *frac_fb_div_p,
775 				      uint32_t *ref_div_p,
776 				      uint32_t *post_div_p);
777 
778 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
779 				     u32 freq,
780 				     u32 *dot_clock_p,
781 				     u32 *fb_div_p,
782 				     u32 *frac_fb_div_p,
783 				     u32 *ref_div_p,
784 				     u32 *post_div_p);
785 
786 extern void radeon_setup_encoder_clones(struct drm_device *dev);
787 
788 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
789 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
790 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
791 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
792 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
793 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
794 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
795 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
796 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
797 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
798 extern bool radeon_encoder_is_digital(struct drm_encoder *encoder);
799 
800 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
801 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
802 				   struct drm_framebuffer *old_fb);
803 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
804 					 struct drm_framebuffer *fb,
805 					 int x, int y,
806 					 enum mode_set_atomic state);
807 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
808 				   struct drm_display_mode *mode,
809 				   struct drm_display_mode *adjusted_mode,
810 				   int x, int y,
811 				   struct drm_framebuffer *old_fb);
812 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
813 
814 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
815 				 struct drm_framebuffer *old_fb);
816 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
817 				       struct drm_framebuffer *fb,
818 				       int x, int y,
819 				       enum mode_set_atomic state);
820 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
821 				   struct drm_framebuffer *fb,
822 				   int x, int y, int atomic);
823 extern int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
824 				   struct drm_file *file_priv,
825 				   uint32_t handle,
826 				   uint32_t width,
827 				   uint32_t height,
828 				   int32_t hot_x,
829 				   int32_t hot_y);
830 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
831 				   int x, int y);
832 extern void radeon_cursor_reset(struct drm_crtc *crtc);
833 
834 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
835 				      unsigned int flags, int *vpos, int *hpos,
836 				      ktime_t *stime, ktime_t *etime,
837 				      const struct drm_display_mode *mode);
838 
839 extern bool
840 radeon_get_crtc_scanout_position(struct drm_crtc *crtc, bool in_vblank_irq,
841 				 int *vpos, int *hpos,
842 				 ktime_t *stime, ktime_t *etime,
843 				 const struct drm_display_mode *mode);
844 
845 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
846 extern struct edid *
847 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
848 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
849 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
850 extern struct radeon_encoder_atom_dig *
851 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
852 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
853 					  struct radeon_encoder_int_tmds *tmds);
854 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
855 						     struct radeon_encoder_int_tmds *tmds);
856 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
857 						   struct radeon_encoder_int_tmds *tmds);
858 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
859 							 struct radeon_encoder_ext_tmds *tmds);
860 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
861 						       struct radeon_encoder_ext_tmds *tmds);
862 extern struct radeon_encoder_primary_dac *
863 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
864 extern struct radeon_encoder_tv_dac *
865 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
866 extern struct radeon_encoder_lvds *
867 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
868 extern struct radeon_encoder_tv_dac *
869 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
870 extern struct radeon_encoder_primary_dac *
871 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
872 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
873 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
874 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
875 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
876 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
877 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
878 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
879 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
880 extern void
881 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
882 extern void
883 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
884 extern void
885 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
886 extern void
887 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
888 int radeon_framebuffer_init(struct drm_device *dev,
889 			     struct drm_framebuffer *rfb,
890 			     const struct drm_mode_fb_cmd2 *mode_cmd,
891 			     struct drm_gem_object *obj);
892 
893 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
894 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
895 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
896 void radeon_atombios_init_crtc(struct drm_device *dev,
897 			       struct radeon_crtc *radeon_crtc);
898 void radeon_legacy_init_crtc(struct drm_device *dev,
899 			     struct radeon_crtc *radeon_crtc);
900 
901 void radeon_get_clock_info(struct drm_device *dev);
902 
903 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
904 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
905 
906 void radeon_enc_destroy(struct drm_encoder *encoder);
907 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
908 void radeon_combios_asic_init(struct drm_device *dev);
909 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
910 					const struct drm_display_mode *mode,
911 					struct drm_display_mode *adjusted_mode);
912 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
913 			     struct drm_display_mode *adjusted_mode);
914 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
915 
916 /* legacy tv */
917 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
918 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
919 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
920 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
921 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
922 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
923 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
924 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
925 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
926 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
927 			       struct drm_display_mode *mode,
928 			       struct drm_display_mode *adjusted_mode);
929 
930 /* fmt blocks */
931 void avivo_program_fmt(struct drm_encoder *encoder);
932 void dce3_program_fmt(struct drm_encoder *encoder);
933 void dce4_program_fmt(struct drm_encoder *encoder);
934 void dce8_program_fmt(struct drm_encoder *encoder);
935 
936 /* fbdev layer */
937 #if defined(CONFIG_DRM_FBDEV_EMULATION)
938 void radeon_fbdev_setup(struct radeon_device *rdev);
939 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
940 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
941 #else
942 static inline void radeon_fbdev_setup(struct radeon_device *rdev)
943 { }
944 static inline void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
945 { }
946 static inline bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
947 {
948 	return false;
949 }
950 #endif
951 
952 void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id);
953 
954 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
955 
956 int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder, int fe_idx);
957 void radeon_atom_release_dig_encoder(struct radeon_device *rdev, int enc_idx);
958 #endif
959