xref: /dragonfly/sys/dev/drm/radeon/radeon_mode.h (revision 689ddcfa)
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/drm_crtc.h>
34 #include <drm/drm_edid.h>
35 #include <drm/drm_dp_helper.h>
36 #include <drm/drm_fixed.h>
37 #include <drm/drm_crtc_helper.h>
38 
39 struct radeon_bo;
40 struct radeon_device;
41 
42 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
43 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
44 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
45 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
46 
47 #define RADEON_MAX_HPD_PINS 7
48 #define RADEON_MAX_CRTCS 6
49 #define RADEON_MAX_AFMT_BLOCKS 7
50 
51 enum radeon_rmx_type {
52 	RMX_OFF,
53 	RMX_FULL,
54 	RMX_CENTER,
55 	RMX_ASPECT
56 };
57 
58 enum radeon_tv_std {
59 	TV_STD_NTSC,
60 	TV_STD_PAL,
61 	TV_STD_PAL_M,
62 	TV_STD_PAL_60,
63 	TV_STD_NTSC_J,
64 	TV_STD_SCART_PAL,
65 	TV_STD_SECAM,
66 	TV_STD_PAL_CN,
67 	TV_STD_PAL_N,
68 };
69 
70 enum radeon_underscan_type {
71 	UNDERSCAN_OFF,
72 	UNDERSCAN_ON,
73 	UNDERSCAN_AUTO,
74 };
75 
76 enum radeon_hpd_id {
77 	RADEON_HPD_1 = 0,
78 	RADEON_HPD_2,
79 	RADEON_HPD_3,
80 	RADEON_HPD_4,
81 	RADEON_HPD_5,
82 	RADEON_HPD_6,
83 	RADEON_HPD_NONE = 0xff,
84 };
85 
86 #define RADEON_MAX_I2C_BUS 16
87 
88 /* radeon gpio-based i2c
89  * 1. "mask" reg and bits
90  *    grabs the gpio pins for software use
91  *    0=not held  1=held
92  * 2. "a" reg and bits
93  *    output pin value
94  *    0=low 1=high
95  * 3. "en" reg and bits
96  *    sets the pin direction
97  *    0=input 1=output
98  * 4. "y" reg and bits
99  *    input pin value
100  *    0=low 1=high
101  */
102 struct radeon_i2c_bus_rec {
103 	bool valid;
104 	/* id used by atom */
105 	uint8_t i2c_id;
106 	/* id used by atom */
107 	enum radeon_hpd_id hpd;
108 	/* can be used with hw i2c engine */
109 	bool hw_capable;
110 	/* uses multi-media i2c engine */
111 	bool mm_i2c;
112 	/* regs and bits */
113 	uint32_t mask_clk_reg;
114 	uint32_t mask_data_reg;
115 	uint32_t a_clk_reg;
116 	uint32_t a_data_reg;
117 	uint32_t en_clk_reg;
118 	uint32_t en_data_reg;
119 	uint32_t y_clk_reg;
120 	uint32_t y_data_reg;
121 	uint32_t mask_clk_mask;
122 	uint32_t mask_data_mask;
123 	uint32_t a_clk_mask;
124 	uint32_t a_data_mask;
125 	uint32_t en_clk_mask;
126 	uint32_t en_data_mask;
127 	uint32_t y_clk_mask;
128 	uint32_t y_data_mask;
129 };
130 
131 struct radeon_tmds_pll {
132     uint32_t freq;
133     uint32_t value;
134 };
135 
136 #define RADEON_MAX_BIOS_CONNECTOR 16
137 
138 /* pll flags */
139 #define RADEON_PLL_USE_BIOS_DIVS        (1 << 0)
140 #define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)
141 #define RADEON_PLL_USE_REF_DIV          (1 << 2)
142 #define RADEON_PLL_LEGACY               (1 << 3)
143 #define RADEON_PLL_PREFER_LOW_REF_DIV   (1 << 4)
144 #define RADEON_PLL_PREFER_HIGH_REF_DIV  (1 << 5)
145 #define RADEON_PLL_PREFER_LOW_FB_DIV    (1 << 6)
146 #define RADEON_PLL_PREFER_HIGH_FB_DIV   (1 << 7)
147 #define RADEON_PLL_PREFER_LOW_POST_DIV  (1 << 8)
148 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
149 #define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)
150 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
151 #define RADEON_PLL_USE_POST_DIV         (1 << 12)
152 #define RADEON_PLL_IS_LCD               (1 << 13)
153 #define RADEON_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
154 
155 struct radeon_pll {
156 	/* reference frequency */
157 	uint32_t reference_freq;
158 
159 	/* fixed dividers */
160 	uint32_t reference_div;
161 	uint32_t post_div;
162 
163 	/* pll in/out limits */
164 	uint32_t pll_in_min;
165 	uint32_t pll_in_max;
166 	uint32_t pll_out_min;
167 	uint32_t pll_out_max;
168 	uint32_t lcd_pll_out_min;
169 	uint32_t lcd_pll_out_max;
170 	uint32_t best_vco;
171 
172 	/* divider limits */
173 	uint32_t min_ref_div;
174 	uint32_t max_ref_div;
175 	uint32_t min_post_div;
176 	uint32_t max_post_div;
177 	uint32_t min_feedback_div;
178 	uint32_t max_feedback_div;
179 	uint32_t min_frac_feedback_div;
180 	uint32_t max_frac_feedback_div;
181 
182 	/* flags for the current clock */
183 	uint32_t flags;
184 
185 	/* pll id */
186 	uint32_t id;
187 };
188 
189 struct radeon_i2c_chan {
190 	device_t adapter;
191 	device_t iic_bus;
192 	struct drm_device *dev;
193 	struct radeon_i2c_bus_rec rec;
194 	struct drm_dp_aux aux;
195 	struct lock mutex;
196 	char   name[48];
197 };
198 
199 /* mostly for macs, but really any system without connector tables */
200 enum radeon_connector_table {
201 	CT_NONE = 0,
202 	CT_GENERIC,
203 	CT_IBOOK,
204 	CT_POWERBOOK_EXTERNAL,
205 	CT_POWERBOOK_INTERNAL,
206 	CT_POWERBOOK_VGA,
207 	CT_MINI_EXTERNAL,
208 	CT_MINI_INTERNAL,
209 	CT_IMAC_G5_ISIGHT,
210 	CT_EMAC,
211 	CT_RN50_POWER,
212 	CT_MAC_X800,
213 	CT_MAC_G5_9600,
214 	CT_SAM440EP,
215 	CT_MAC_G4_SILVER
216 };
217 
218 enum radeon_dvo_chip {
219 	DVO_SIL164,
220 	DVO_SIL1178,
221 };
222 
223 struct radeon_fbdev;
224 
225 struct radeon_afmt {
226 	bool enabled;
227 	int offset;
228 	bool last_buffer_filled_status;
229 	int id;
230 	struct r600_audio_pin *pin;
231 };
232 
233 struct radeon_mode_info {
234 	struct atom_context *atom_context;
235 	struct card_info *atom_card_info;
236 	enum radeon_connector_table connector_table;
237 	bool mode_config_initialized;
238 	struct radeon_crtc *crtcs[RADEON_MAX_CRTCS];
239 	struct radeon_afmt *afmt[RADEON_MAX_AFMT_BLOCKS];
240 	/* DVI-I properties */
241 	struct drm_property *coherent_mode_property;
242 	/* DAC enable load detect */
243 	struct drm_property *load_detect_property;
244 	/* TV standard */
245 	struct drm_property *tv_std_property;
246 	/* legacy TMDS PLL detect */
247 	struct drm_property *tmds_pll_property;
248 	/* underscan */
249 	struct drm_property *underscan_property;
250 	struct drm_property *underscan_hborder_property;
251 	struct drm_property *underscan_vborder_property;
252 	/* audio */
253 	struct drm_property *audio_property;
254 	/* FMT dithering */
255 	struct drm_property *dither_property;
256 	/* hardcoded DFP edid from BIOS */
257 	struct edid *bios_hardcoded_edid;
258 	int bios_hardcoded_edid_size;
259 
260 	/* pointer to fbdev info structure */
261 	struct radeon_fbdev *rfbdev;
262 	/* firmware flags */
263 	u16 firmware_flags;
264 	/* pointer to backlight encoder */
265 	struct radeon_encoder *bl_encoder;
266 };
267 
268 #define RADEON_MAX_BL_LEVEL 0xFF
269 
270 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
271 
272 struct radeon_backlight_privdata {
273 	struct radeon_encoder *encoder;
274 	uint8_t negative;
275 };
276 
277 #endif
278 
279 #define MAX_H_CODE_TIMING_LEN 32
280 #define MAX_V_CODE_TIMING_LEN 32
281 
282 /* need to store these as reading
283    back code tables is excessive */
284 struct radeon_tv_regs {
285 	uint32_t tv_uv_adr;
286 	uint32_t timing_cntl;
287 	uint32_t hrestart;
288 	uint32_t vrestart;
289 	uint32_t frestart;
290 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
291 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
292 };
293 
294 struct radeon_atom_ss {
295 	uint16_t percentage;
296 	uint16_t percentage_divider;
297 	uint8_t type;
298 	uint16_t step;
299 	uint8_t delay;
300 	uint8_t range;
301 	uint8_t refdiv;
302 	/* asic_ss */
303 	uint16_t rate;
304 	uint16_t amount;
305 };
306 
307 enum radeon_flip_status {
308 	RADEON_FLIP_NONE,
309 	RADEON_FLIP_PENDING,
310 	RADEON_FLIP_SUBMITTED
311 };
312 
313 struct radeon_crtc {
314 	struct drm_crtc base;
315 	int crtc_id;
316 	u16 lut_r[256], lut_g[256], lut_b[256];
317 	bool enabled;
318 	bool can_tile;
319 	uint32_t crtc_offset;
320 	struct drm_gem_object *cursor_bo;
321 	uint64_t cursor_addr;
322 	int cursor_width;
323 	int cursor_height;
324 	int max_cursor_width;
325 	int max_cursor_height;
326 	uint32_t legacy_display_base_addr;
327 	uint32_t legacy_cursor_offset;
328 	enum radeon_rmx_type rmx_type;
329 	u8 h_border;
330 	u8 v_border;
331 	fixed20_12 vsc;
332 	fixed20_12 hsc;
333 	struct drm_display_mode native_mode;
334 	int pll_id;
335 	/* page flipping */
336 	struct workqueue_struct *flip_queue;
337 	struct radeon_flip_work *flip_work;
338 	enum radeon_flip_status flip_status;
339 	/* pll sharing */
340 	struct radeon_atom_ss ss;
341 	bool ss_enabled;
342 	u32 adjusted_clock;
343 	int bpc;
344 	u32 pll_reference_div;
345 	u32 pll_post_div;
346 	u32 pll_flags;
347 	struct drm_encoder *encoder;
348 	struct drm_connector *connector;
349 	/* for dpm */
350 	u32 line_time;
351 	u32 wm_low;
352 	u32 wm_high;
353 	struct drm_display_mode hw_mode;
354 };
355 
356 struct radeon_encoder_primary_dac {
357 	/* legacy primary dac */
358 	uint32_t ps2_pdac_adj;
359 };
360 
361 struct radeon_encoder_lvds {
362 	/* legacy lvds */
363 	uint16_t panel_vcc_delay;
364 	uint8_t  panel_pwr_delay;
365 	uint8_t  panel_digon_delay;
366 	uint8_t  panel_blon_delay;
367 	uint16_t panel_ref_divider;
368 	uint8_t  panel_post_divider;
369 	uint16_t panel_fb_divider;
370 	bool     use_bios_dividers;
371 	uint32_t lvds_gen_cntl;
372 	/* panel mode */
373 	struct drm_display_mode native_mode;
374 	struct backlight_device *bl_dev;
375 	int      dpms_mode;
376 	uint8_t  backlight_level;
377 };
378 
379 struct radeon_encoder_tv_dac {
380 	/* legacy tv dac */
381 	uint32_t ps2_tvdac_adj;
382 	uint32_t ntsc_tvdac_adj;
383 	uint32_t pal_tvdac_adj;
384 
385 	int               h_pos;
386 	int               v_pos;
387 	int               h_size;
388 	int               supported_tv_stds;
389 	bool              tv_on;
390 	enum radeon_tv_std tv_std;
391 	struct radeon_tv_regs tv;
392 };
393 
394 struct radeon_encoder_int_tmds {
395 	/* legacy int tmds */
396 	struct radeon_tmds_pll tmds_pll[4];
397 };
398 
399 struct radeon_encoder_ext_tmds {
400 	/* tmds over dvo */
401 	struct radeon_i2c_chan *i2c_bus;
402 	uint8_t slave_addr;
403 	enum radeon_dvo_chip dvo_chip;
404 };
405 
406 /* spread spectrum */
407 struct radeon_encoder_atom_dig {
408 	bool linkb;
409 	/* atom dig */
410 	bool coherent_mode;
411 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
412 	/* atom lvds/edp */
413 	uint32_t lcd_misc;
414 	uint16_t panel_pwr_delay;
415 	uint32_t lcd_ss_id;
416 	/* panel mode */
417 	struct drm_display_mode native_mode;
418 	struct backlight_device *bl_dev;
419 	int dpms_mode;
420 	uint8_t backlight_level;
421 	int panel_mode;
422 	struct radeon_afmt *afmt;
423 };
424 
425 struct radeon_encoder_atom_dac {
426 	enum radeon_tv_std tv_std;
427 };
428 
429 struct radeon_encoder {
430 	struct drm_encoder base;
431 	uint32_t encoder_enum;
432 	uint32_t encoder_id;
433 	uint32_t devices;
434 	uint32_t active_device;
435 	uint32_t flags;
436 	uint32_t pixel_clock;
437 	enum radeon_rmx_type rmx_type;
438 	enum radeon_underscan_type underscan_type;
439 	uint32_t underscan_hborder;
440 	uint32_t underscan_vborder;
441 	struct drm_display_mode native_mode;
442 	void *enc_priv;
443 	int audio_polling_active;
444 	bool is_ext_encoder;
445 	u16 caps;
446 };
447 
448 struct radeon_connector_atom_dig {
449 	uint32_t igp_lane_info;
450 	/* displayport */
451 	struct radeon_i2c_chan *dp_i2c_bus;
452 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
453 	u8 dp_sink_type;
454 	int dp_clock;
455 	int dp_lane_count;
456 	bool edp_on;
457 };
458 
459 struct radeon_gpio_rec {
460 	bool valid;
461 	u8 id;
462 	u32 reg;
463 	u32 mask;
464 };
465 
466 struct radeon_hpd {
467 	enum radeon_hpd_id hpd;
468 	u8 plugged_state;
469 	struct radeon_gpio_rec gpio;
470 };
471 
472 struct radeon_router {
473 	u32 router_id;
474 	struct radeon_i2c_bus_rec i2c_info;
475 	u8 i2c_addr;
476 	/* i2c mux */
477 	bool ddc_valid;
478 	u8 ddc_mux_type;
479 	u8 ddc_mux_control_pin;
480 	u8 ddc_mux_state;
481 	/* clock/data mux */
482 	bool cd_valid;
483 	u8 cd_mux_type;
484 	u8 cd_mux_control_pin;
485 	u8 cd_mux_state;
486 };
487 
488 enum radeon_connector_audio {
489 	RADEON_AUDIO_DISABLE = 0,
490 	RADEON_AUDIO_ENABLE = 1,
491 	RADEON_AUDIO_AUTO = 2
492 };
493 
494 enum radeon_connector_dither {
495 	RADEON_FMT_DITHER_DISABLE = 0,
496 	RADEON_FMT_DITHER_ENABLE = 1,
497 };
498 
499 struct radeon_connector {
500 	struct drm_connector base;
501 	uint32_t connector_id;
502 	uint32_t devices;
503 	struct radeon_i2c_chan *ddc_bus;
504 	/* some systems have an hdmi and vga port with a shared ddc line */
505 	bool shared_ddc;
506 	bool use_digital;
507 	/* we need to mind the EDID between detect
508 	   and get modes due to analog/digital/tvencoder */
509 	struct edid *edid;
510 	void *con_priv;
511 	bool dac_load_detect;
512 	bool detected_by_load; /* if the connection status was determined by load */
513 	uint16_t connector_object_id;
514 	struct radeon_hpd hpd;
515 	struct radeon_router router;
516 	struct radeon_i2c_chan *router_bus;
517 	enum radeon_connector_audio audio;
518 	enum radeon_connector_dither dither;
519 	int pixelclock_for_modeset;
520 };
521 
522 struct radeon_framebuffer {
523 	struct drm_framebuffer base;
524 	struct drm_gem_object *obj;
525 };
526 
527 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
528 				((em) == ATOM_ENCODER_MODE_DP_MST))
529 
530 struct atom_clock_dividers {
531 	u32 post_div;
532 	union {
533 		struct {
534 #ifdef __BIG_ENDIAN
535 			u32 reserved : 6;
536 			u32 whole_fb_div : 12;
537 			u32 frac_fb_div : 14;
538 #else
539 			u32 frac_fb_div : 14;
540 			u32 whole_fb_div : 12;
541 			u32 reserved : 6;
542 #endif
543 		};
544 		u32 fb_div;
545 	};
546 	u32 ref_div;
547 	bool enable_post_div;
548 	bool enable_dithen;
549 	u32 vco_mode;
550 	u32 real_clock;
551 	/* added for CI */
552 	u32 post_divider;
553 	u32 flags;
554 };
555 
556 struct atom_mpll_param {
557 	union {
558 		struct {
559 #ifdef __BIG_ENDIAN
560 			u32 reserved : 8;
561 			u32 clkfrac : 12;
562 			u32 clkf : 12;
563 #else
564 			u32 clkf : 12;
565 			u32 clkfrac : 12;
566 			u32 reserved : 8;
567 #endif
568 		};
569 		u32 fb_div;
570 	};
571 	u32 post_div;
572 	u32 bwcntl;
573 	u32 dll_speed;
574 	u32 vco_mode;
575 	u32 yclk_sel;
576 	u32 qdr;
577 	u32 half_rate;
578 };
579 
580 #define MEM_TYPE_GDDR5  0x50
581 #define MEM_TYPE_GDDR4  0x40
582 #define MEM_TYPE_GDDR3  0x30
583 #define MEM_TYPE_DDR2   0x20
584 #define MEM_TYPE_GDDR1  0x10
585 #define MEM_TYPE_DDR3   0xb0
586 #define MEM_TYPE_MASK   0xf0
587 
588 struct atom_memory_info {
589 	u8 mem_vendor;
590 	u8 mem_type;
591 };
592 
593 #define MAX_AC_TIMING_ENTRIES 16
594 
595 struct atom_memory_clock_range_table
596 {
597 	u8 num_entries;
598 	u8 rsv[3];
599 	u32 mclk[MAX_AC_TIMING_ENTRIES];
600 };
601 
602 #define VBIOS_MC_REGISTER_ARRAY_SIZE 32
603 #define VBIOS_MAX_AC_TIMING_ENTRIES 20
604 
605 struct atom_mc_reg_entry {
606 	u32 mclk_max;
607 	u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
608 };
609 
610 struct atom_mc_register_address {
611 	u16 s1;
612 	u8 pre_reg_data;
613 };
614 
615 struct atom_mc_reg_table {
616 	u8 last;
617 	u8 num_entries;
618 	struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
619 	struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
620 };
621 
622 #define MAX_VOLTAGE_ENTRIES 32
623 
624 struct atom_voltage_table_entry
625 {
626 	u16 value;
627 	u32 smio_low;
628 };
629 
630 struct atom_voltage_table
631 {
632 	u32 count;
633 	u32 mask_low;
634 	u32 phase_delay;
635 	struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
636 };
637 
638 /* Driver internal use only flags of radeon_get_crtc_scanoutpos() */
639 #define USE_REAL_VBLANKSTART 		(1 << 30)
640 #define GET_DISTANCE_TO_VBLANKSTART	(1 << 31)
641 
642 extern void
643 radeon_add_atom_connector(struct drm_device *dev,
644 			  uint32_t connector_id,
645 			  uint32_t supported_device,
646 			  int connector_type,
647 			  struct radeon_i2c_bus_rec *i2c_bus,
648 			  uint32_t igp_lane_info,
649 			  uint16_t connector_object_id,
650 			  struct radeon_hpd *hpd,
651 			  struct radeon_router *router);
652 extern void
653 radeon_add_legacy_connector(struct drm_device *dev,
654 			    uint32_t connector_id,
655 			    uint32_t supported_device,
656 			    int connector_type,
657 			    struct radeon_i2c_bus_rec *i2c_bus,
658 			    uint16_t connector_object_id,
659 			    struct radeon_hpd *hpd);
660 extern uint32_t
661 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
662 			uint8_t dac);
663 extern void radeon_link_encoder_connector(struct drm_device *dev);
664 
665 extern enum radeon_tv_std
666 radeon_combios_get_tv_info(struct radeon_device *rdev);
667 extern enum radeon_tv_std
668 radeon_atombios_get_tv_info(struct radeon_device *rdev);
669 extern void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
670 						 u16 *vddc, u16 *vddci, u16 *mvdd);
671 
672 extern void
673 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
674 				      struct drm_encoder *encoder,
675 				      bool connected);
676 extern void
677 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
678 				       struct drm_encoder *encoder,
679 				       bool connected);
680 
681 extern struct drm_connector *
682 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
683 extern struct drm_connector *
684 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
685 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
686 				    u32 pixel_clock);
687 
688 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
689 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
690 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
691 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
692 
693 extern struct edid *radeon_connector_edid(struct drm_connector *connector);
694 
695 extern void radeon_connector_hotplug(struct drm_connector *connector);
696 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
697 				       struct drm_display_mode *mode);
698 extern void radeon_dp_set_link_config(struct drm_connector *connector,
699 				      const struct drm_display_mode *mode);
700 extern void radeon_dp_link_train(struct drm_encoder *encoder,
701 				 struct drm_connector *connector);
702 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
703 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
704 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
705 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
706 				    struct drm_connector *connector);
707 extern void radeon_dp_set_rx_power_state(struct drm_connector *connector,
708 					 u8 power_state);
709 extern void radeon_dp_aux_init(struct radeon_connector *radeon_connector);
710 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
711 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
712 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
713 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
714 					   int action, uint8_t lane_num,
715 					   uint8_t lane_set);
716 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
717 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
718 extern int radeon_dp_i2c_aux_ch(device_t dev, int mode,
719 				u8 write_byte, u8 *read_byte);
720 void radeon_atom_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
721 
722 extern void radeon_i2c_init(struct radeon_device *rdev);
723 extern void radeon_i2c_fini(struct radeon_device *rdev);
724 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
725 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
726 extern void radeon_i2c_add(struct radeon_device *rdev,
727 			   struct radeon_i2c_bus_rec *rec,
728 			   const char *name);
729 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
730 						 struct radeon_i2c_bus_rec *i2c_bus);
731 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
732 						    struct radeon_i2c_bus_rec *rec,
733 						    const char *name);
734 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
735 						 struct radeon_i2c_bus_rec *rec,
736 						 const char *name);
737 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
738 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
739 				u8 slave_addr,
740 				u8 addr,
741 				u8 *val);
742 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
743 				u8 slave_addr,
744 				u8 addr,
745 				u8 val);
746 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
747 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
748 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
749 
750 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
751 					     struct radeon_atom_ss *ss,
752 					     int id);
753 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
754 					     struct radeon_atom_ss *ss,
755 					     int id, u32 clock);
756 
757 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
758 				      uint64_t freq,
759 				      uint32_t *dot_clock_p,
760 				      uint32_t *fb_div_p,
761 				      uint32_t *frac_fb_div_p,
762 				      uint32_t *ref_div_p,
763 				      uint32_t *post_div_p);
764 
765 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
766 				     u32 freq,
767 				     u32 *dot_clock_p,
768 				     u32 *fb_div_p,
769 				     u32 *frac_fb_div_p,
770 				     u32 *ref_div_p,
771 				     u32 *post_div_p);
772 
773 extern void radeon_setup_encoder_clones(struct drm_device *dev);
774 
775 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
776 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
777 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
778 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
779 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
780 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
781 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
782 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
783 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
784 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
785 extern bool radeon_encoder_is_digital(struct drm_encoder *encoder);
786 
787 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
788 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
789 				   struct drm_framebuffer *old_fb);
790 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
791 					 struct drm_framebuffer *fb,
792 					 int x, int y,
793 					 enum mode_set_atomic state);
794 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
795 				   struct drm_display_mode *mode,
796 				   struct drm_display_mode *adjusted_mode,
797 				   int x, int y,
798 				   struct drm_framebuffer *old_fb);
799 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
800 
801 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
802 				 struct drm_framebuffer *old_fb);
803 extern int radeon_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 radeon_crtc_do_set_base(struct drm_crtc *crtc,
808 				   struct drm_framebuffer *fb,
809 				   int x, int y, int atomic);
810 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
811 				  struct drm_file *file_priv,
812 				  uint32_t handle,
813 				  uint32_t width,
814 				  uint32_t height);
815 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
816 				   int x, int y);
817 
818 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
819 				      unsigned int flags,
820 				      int *vpos, int *hpos,
821 				      ktime_t *stime, ktime_t *etime,
822 				      const struct drm_display_mode *mode);
823 
824 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
825 extern struct edid *
826 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
827 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
828 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
829 extern struct radeon_encoder_atom_dig *
830 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
831 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
832 					  struct radeon_encoder_int_tmds *tmds);
833 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
834 						     struct radeon_encoder_int_tmds *tmds);
835 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
836 						   struct radeon_encoder_int_tmds *tmds);
837 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
838 							 struct radeon_encoder_ext_tmds *tmds);
839 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
840 						       struct radeon_encoder_ext_tmds *tmds);
841 extern struct radeon_encoder_primary_dac *
842 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
843 extern struct radeon_encoder_tv_dac *
844 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
845 extern struct radeon_encoder_lvds *
846 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
847 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
848 extern struct radeon_encoder_tv_dac *
849 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
850 extern struct radeon_encoder_primary_dac *
851 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
852 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
853 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
854 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
855 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
856 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
857 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
858 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
859 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
860 extern void
861 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
862 extern void
863 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
864 extern void
865 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
866 extern void
867 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
868 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
869 				     u16 blue, int regno);
870 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
871 				     u16 *blue, int regno);
872 int radeon_framebuffer_init(struct drm_device *dev,
873 			     struct radeon_framebuffer *rfb,
874 			     const struct drm_mode_fb_cmd2 *mode_cmd,
875 			     struct drm_gem_object *obj);
876 
877 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
878 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
879 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
880 void radeon_atombios_init_crtc(struct drm_device *dev,
881 			       struct radeon_crtc *radeon_crtc);
882 void radeon_legacy_init_crtc(struct drm_device *dev,
883 			     struct radeon_crtc *radeon_crtc);
884 
885 void radeon_get_clock_info(struct drm_device *dev);
886 
887 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
888 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
889 
890 void radeon_enc_destroy(struct drm_encoder *encoder);
891 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
892 void radeon_combios_asic_init(struct drm_device *dev);
893 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
894 					const struct drm_display_mode *mode,
895 					struct drm_display_mode *adjusted_mode);
896 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
897 			     struct drm_display_mode *adjusted_mode);
898 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
899 
900 /* legacy tv */
901 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
902 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
903 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
904 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
905 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
906 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
907 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
908 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
909 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
910 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
911 			       struct drm_display_mode *mode,
912 			       struct drm_display_mode *adjusted_mode);
913 
914 /* fmt blocks */
915 void avivo_program_fmt(struct drm_encoder *encoder);
916 void dce3_program_fmt(struct drm_encoder *encoder);
917 void dce4_program_fmt(struct drm_encoder *encoder);
918 void dce8_program_fmt(struct drm_encoder *encoder);
919 
920 /* fbdev layer */
921 int radeon_fbdev_init(struct radeon_device *rdev);
922 void radeon_fbdev_fini(struct radeon_device *rdev);
923 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
924 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
925 void radeon_fbdev_restore_mode(struct radeon_device *rdev);
926 
927 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
928 
929 void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id);
930 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
931 
932 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
933 #endif
934