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/display/drm_dp_mst_helper.h>
35 #include <drm/drm_crtc.h>
36 #include <drm/drm_edid.h>
37 #include <drm/drm_encoder.h>
38 #include <drm/drm_fixed.h>
39 #include <drm/drm_crtc_helper.h>
40 #include <linux/i2c.h>
41 #include <linux/i2c-algo-bit.h>
42 
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_fbdev;
234 
235 struct radeon_afmt {
236 	bool enabled;
237 	int offset;
238 	bool last_buffer_filled_status;
239 	int id;
240 };
241 
242 struct radeon_mode_info {
243 	struct atom_context *atom_context;
244 	struct card_info *atom_card_info;
245 	enum radeon_connector_table connector_table;
246 	bool mode_config_initialized;
247 	struct radeon_crtc *crtcs[RADEON_MAX_CRTCS];
248 	struct radeon_afmt *afmt[RADEON_MAX_AFMT_BLOCKS];
249 	/* DVI-I properties */
250 	struct drm_property *coherent_mode_property;
251 	/* DAC enable load detect */
252 	struct drm_property *load_detect_property;
253 	/* TV standard */
254 	struct drm_property *tv_std_property;
255 	/* legacy TMDS PLL detect */
256 	struct drm_property *tmds_pll_property;
257 	/* underscan */
258 	struct drm_property *underscan_property;
259 	struct drm_property *underscan_hborder_property;
260 	struct drm_property *underscan_vborder_property;
261 	/* audio */
262 	struct drm_property *audio_property;
263 	/* FMT dithering */
264 	struct drm_property *dither_property;
265 	/* Output CSC */
266 	struct drm_property *output_csc_property;
267 	/* hardcoded DFP edid from BIOS */
268 	struct edid *bios_hardcoded_edid;
269 	int bios_hardcoded_edid_size;
270 
271 	/* pointer to fbdev info structure */
272 	struct radeon_fbdev *rfbdev;
273 	/* firmware flags */
274 	u16 firmware_flags;
275 	/* pointer to backlight encoder */
276 	struct radeon_encoder *bl_encoder;
277 
278 	/* bitmask for active encoder frontends */
279 	uint32_t active_encoders;
280 };
281 
282 #define RADEON_MAX_BL_LEVEL 0xFF
283 
284 struct radeon_backlight_privdata {
285 	struct radeon_encoder *encoder;
286 	uint8_t negative;
287 };
288 
289 #define MAX_H_CODE_TIMING_LEN 32
290 #define MAX_V_CODE_TIMING_LEN 32
291 
292 /* need to store these as reading
293    back code tables is excessive */
294 struct radeon_tv_regs {
295 	uint32_t tv_uv_adr;
296 	uint32_t timing_cntl;
297 	uint32_t hrestart;
298 	uint32_t vrestart;
299 	uint32_t frestart;
300 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
301 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
302 };
303 
304 struct radeon_atom_ss {
305 	uint16_t percentage;
306 	uint16_t percentage_divider;
307 	uint8_t type;
308 	uint16_t step;
309 	uint8_t delay;
310 	uint8_t range;
311 	uint8_t refdiv;
312 	/* asic_ss */
313 	uint16_t rate;
314 	uint16_t amount;
315 };
316 
317 enum radeon_flip_status {
318 	RADEON_FLIP_NONE,
319 	RADEON_FLIP_PENDING,
320 	RADEON_FLIP_SUBMITTED
321 };
322 
323 struct radeon_crtc {
324 	struct drm_crtc base;
325 	int crtc_id;
326 	bool enabled;
327 	bool can_tile;
328 	bool cursor_out_of_bounds;
329 	uint32_t crtc_offset;
330 	struct drm_gem_object *cursor_bo;
331 	uint64_t cursor_addr;
332 	int cursor_x;
333 	int cursor_y;
334 	int cursor_hot_x;
335 	int cursor_hot_y;
336 	int cursor_width;
337 	int cursor_height;
338 	int max_cursor_width;
339 	int max_cursor_height;
340 	uint32_t legacy_display_base_addr;
341 	enum radeon_rmx_type rmx_type;
342 	u8 h_border;
343 	u8 v_border;
344 	fixed20_12 vsc;
345 	fixed20_12 hsc;
346 	struct drm_display_mode native_mode;
347 	int pll_id;
348 	/* page flipping */
349 	struct workqueue_struct *flip_queue;
350 	struct radeon_flip_work *flip_work;
351 	enum radeon_flip_status flip_status;
352 	/* pll sharing */
353 	struct radeon_atom_ss ss;
354 	bool ss_enabled;
355 	u32 adjusted_clock;
356 	int bpc;
357 	u32 pll_reference_div;
358 	u32 pll_post_div;
359 	u32 pll_flags;
360 	struct drm_encoder *encoder;
361 	struct drm_connector *connector;
362 	/* for dpm */
363 	u32 line_time;
364 	u32 wm_low;
365 	u32 wm_high;
366 	u32 lb_vblank_lead_lines;
367 	struct drm_display_mode hw_mode;
368 	enum radeon_output_csc output_csc;
369 };
370 
371 struct radeon_encoder_primary_dac {
372 	/* legacy primary dac */
373 	uint32_t ps2_pdac_adj;
374 };
375 
376 struct radeon_encoder_lvds {
377 	/* legacy lvds */
378 	uint16_t panel_vcc_delay;
379 	uint8_t  panel_pwr_delay;
380 	uint8_t  panel_digon_delay;
381 	uint8_t  panel_blon_delay;
382 	uint16_t panel_ref_divider;
383 	uint8_t  panel_post_divider;
384 	uint16_t panel_fb_divider;
385 	bool     use_bios_dividers;
386 	uint32_t lvds_gen_cntl;
387 	/* panel mode */
388 	struct drm_display_mode native_mode;
389 	struct backlight_device *bl_dev;
390 	int      dpms_mode;
391 	uint8_t  backlight_level;
392 };
393 
394 struct radeon_encoder_tv_dac {
395 	/* legacy tv dac */
396 	uint32_t ps2_tvdac_adj;
397 	uint32_t ntsc_tvdac_adj;
398 	uint32_t pal_tvdac_adj;
399 
400 	int               h_pos;
401 	int               v_pos;
402 	int               h_size;
403 	int               supported_tv_stds;
404 	bool              tv_on;
405 	enum radeon_tv_std tv_std;
406 	struct radeon_tv_regs tv;
407 };
408 
409 struct radeon_encoder_int_tmds {
410 	/* legacy int tmds */
411 	struct radeon_tmds_pll tmds_pll[4];
412 };
413 
414 struct radeon_encoder_ext_tmds {
415 	/* tmds over dvo */
416 	struct radeon_i2c_chan *i2c_bus;
417 	uint8_t slave_addr;
418 	enum radeon_dvo_chip dvo_chip;
419 };
420 
421 /* spread spectrum */
422 struct radeon_encoder_atom_dig {
423 	bool linkb;
424 	/* atom dig */
425 	bool coherent_mode;
426 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
427 	/* atom lvds/edp */
428 	uint32_t lcd_misc;
429 	uint16_t panel_pwr_delay;
430 	uint32_t lcd_ss_id;
431 	/* panel mode */
432 	struct drm_display_mode native_mode;
433 	struct backlight_device *bl_dev;
434 	int dpms_mode;
435 	uint8_t backlight_level;
436 	int panel_mode;
437 	struct radeon_afmt *afmt;
438 	struct r600_audio_pin *pin;
439 	int active_mst_links;
440 };
441 
442 struct radeon_encoder_atom_dac {
443 	enum radeon_tv_std tv_std;
444 };
445 
446 struct radeon_encoder_mst {
447 	int crtc;
448 	struct radeon_encoder *primary;
449 	struct radeon_connector *connector;
450 	struct drm_dp_mst_port *port;
451 	int pbn;
452 	int fe;
453 	bool fe_from_be;
454 	bool enc_active;
455 };
456 
457 struct radeon_encoder {
458 	struct drm_encoder base;
459 	uint32_t encoder_enum;
460 	uint32_t encoder_id;
461 	uint32_t devices;
462 	uint32_t active_device;
463 	uint32_t flags;
464 	uint32_t pixel_clock;
465 	enum radeon_rmx_type rmx_type;
466 	enum radeon_underscan_type underscan_type;
467 	uint32_t underscan_hborder;
468 	uint32_t underscan_vborder;
469 	struct drm_display_mode native_mode;
470 	void *enc_priv;
471 	int audio_polling_active;
472 	bool is_ext_encoder;
473 	u16 caps;
474 	struct radeon_audio_funcs *audio;
475 	enum radeon_output_csc output_csc;
476 	bool can_mst;
477 	uint32_t offset;
478 	bool is_mst_encoder;
479 	/* front end for this mst encoder */
480 };
481 
482 struct radeon_connector_atom_dig {
483 	uint32_t igp_lane_info;
484 	/* displayport */
485 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
486 	u8 dp_sink_type;
487 	int dp_clock;
488 	int dp_lane_count;
489 	bool edp_on;
490 	bool is_mst;
491 };
492 
493 struct radeon_gpio_rec {
494 	bool valid;
495 	u8 id;
496 	u32 reg;
497 	u32 mask;
498 	u32 shift;
499 };
500 
501 struct radeon_hpd {
502 	enum radeon_hpd_id hpd;
503 	u8 plugged_state;
504 	struct radeon_gpio_rec gpio;
505 };
506 
507 struct radeon_router {
508 	u32 router_id;
509 	struct radeon_i2c_bus_rec i2c_info;
510 	u8 i2c_addr;
511 	/* i2c mux */
512 	bool ddc_valid;
513 	u8 ddc_mux_type;
514 	u8 ddc_mux_control_pin;
515 	u8 ddc_mux_state;
516 	/* clock/data mux */
517 	bool cd_valid;
518 	u8 cd_mux_type;
519 	u8 cd_mux_control_pin;
520 	u8 cd_mux_state;
521 };
522 
523 enum radeon_connector_audio {
524 	RADEON_AUDIO_DISABLE = 0,
525 	RADEON_AUDIO_ENABLE = 1,
526 	RADEON_AUDIO_AUTO = 2
527 };
528 
529 enum radeon_connector_dither {
530 	RADEON_FMT_DITHER_DISABLE = 0,
531 	RADEON_FMT_DITHER_ENABLE = 1,
532 };
533 
534 struct stream_attribs {
535 	uint16_t fe;
536 	uint16_t slots;
537 };
538 
539 struct radeon_connector {
540 	struct drm_connector base;
541 	uint32_t connector_id;
542 	uint32_t devices;
543 	struct radeon_i2c_chan *ddc_bus;
544 	/* some systems have an hdmi and vga port with a shared ddc line */
545 	bool shared_ddc;
546 	bool use_digital;
547 	/* we need to mind the EDID between detect
548 	   and get modes due to analog/digital/tvencoder */
549 	struct edid *edid;
550 	void *con_priv;
551 	bool dac_load_detect;
552 	bool detected_by_load; /* if the connection status was determined by load */
553 	bool detected_hpd_without_ddc; /* if an HPD signal was detected on DVI, but ddc probing failed */
554 	uint16_t connector_object_id;
555 	struct radeon_hpd hpd;
556 	struct radeon_router router;
557 	struct radeon_i2c_chan *router_bus;
558 	enum radeon_connector_audio audio;
559 	enum radeon_connector_dither dither;
560 	int pixelclock_for_modeset;
561 	bool is_mst_connector;
562 	struct radeon_connector *mst_port;
563 	struct drm_dp_mst_port *port;
564 	struct drm_dp_mst_topology_mgr mst_mgr;
565 
566 	struct radeon_encoder *mst_encoder;
567 	struct stream_attribs cur_stream_attribs[6];
568 	int enabled_attribs;
569 };
570 
571 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
572 				((em) == ATOM_ENCODER_MODE_DP_MST))
573 
574 struct atom_clock_dividers {
575 	u32 post_div;
576 	union {
577 		struct {
578 #ifdef __BIG_ENDIAN
579 			u32 reserved : 6;
580 			u32 whole_fb_div : 12;
581 			u32 frac_fb_div : 14;
582 #else
583 			u32 frac_fb_div : 14;
584 			u32 whole_fb_div : 12;
585 			u32 reserved : 6;
586 #endif
587 		};
588 		u32 fb_div;
589 	};
590 	u32 ref_div;
591 	bool enable_post_div;
592 	bool enable_dithen;
593 	u32 vco_mode;
594 	u32 real_clock;
595 	/* added for CI */
596 	u32 post_divider;
597 	u32 flags;
598 };
599 
600 struct atom_mpll_param {
601 	union {
602 		struct {
603 #ifdef __BIG_ENDIAN
604 			u32 reserved : 8;
605 			u32 clkfrac : 12;
606 			u32 clkf : 12;
607 #else
608 			u32 clkf : 12;
609 			u32 clkfrac : 12;
610 			u32 reserved : 8;
611 #endif
612 		};
613 		u32 fb_div;
614 	};
615 	u32 post_div;
616 	u32 bwcntl;
617 	u32 dll_speed;
618 	u32 vco_mode;
619 	u32 yclk_sel;
620 	u32 qdr;
621 	u32 half_rate;
622 };
623 
624 #define MEM_TYPE_GDDR5  0x50
625 #define MEM_TYPE_GDDR4  0x40
626 #define MEM_TYPE_GDDR3  0x30
627 #define MEM_TYPE_DDR2   0x20
628 #define MEM_TYPE_GDDR1  0x10
629 #define MEM_TYPE_DDR3   0xb0
630 #define MEM_TYPE_MASK   0xf0
631 
632 struct atom_memory_info {
633 	u8 mem_vendor;
634 	u8 mem_type;
635 };
636 
637 #define MAX_AC_TIMING_ENTRIES 16
638 
639 struct atom_memory_clock_range_table
640 {
641 	u8 num_entries;
642 	u8 rsv[3];
643 	u32 mclk[MAX_AC_TIMING_ENTRIES];
644 };
645 
646 #define VBIOS_MC_REGISTER_ARRAY_SIZE 32
647 #define VBIOS_MAX_AC_TIMING_ENTRIES 20
648 
649 struct atom_mc_reg_entry {
650 	u32 mclk_max;
651 	u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
652 };
653 
654 struct atom_mc_register_address {
655 	u16 s1;
656 	u8 pre_reg_data;
657 };
658 
659 struct atom_mc_reg_table {
660 	u8 last;
661 	u8 num_entries;
662 	struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
663 	struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
664 };
665 
666 #define MAX_VOLTAGE_ENTRIES 32
667 
668 struct atom_voltage_table_entry
669 {
670 	u16 value;
671 	u32 smio_low;
672 };
673 
674 struct atom_voltage_table
675 {
676 	u32 count;
677 	u32 mask_low;
678 	u32 phase_delay;
679 	struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
680 };
681 
682 /* Driver internal use only flags of radeon_get_crtc_scanoutpos() */
683 #define DRM_SCANOUTPOS_VALID        (1 << 0)
684 #define DRM_SCANOUTPOS_IN_VBLANK    (1 << 1)
685 #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
686 #define USE_REAL_VBLANKSTART 		(1 << 30)
687 #define GET_DISTANCE_TO_VBLANKSTART	(1 << 31)
688 
689 extern void
690 radeon_add_atom_connector(struct drm_device *dev,
691 			  uint32_t connector_id,
692 			  uint32_t supported_device,
693 			  int connector_type,
694 			  struct radeon_i2c_bus_rec *i2c_bus,
695 			  uint32_t igp_lane_info,
696 			  uint16_t connector_object_id,
697 			  struct radeon_hpd *hpd,
698 			  struct radeon_router *router);
699 extern void
700 radeon_add_legacy_connector(struct drm_device *dev,
701 			    uint32_t connector_id,
702 			    uint32_t supported_device,
703 			    int connector_type,
704 			    struct radeon_i2c_bus_rec *i2c_bus,
705 			    uint16_t connector_object_id,
706 			    struct radeon_hpd *hpd);
707 extern uint32_t
708 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
709 			uint8_t dac);
710 extern void radeon_link_encoder_connector(struct drm_device *dev);
711 
712 extern enum radeon_tv_std
713 radeon_combios_get_tv_info(struct radeon_device *rdev);
714 extern enum radeon_tv_std
715 radeon_atombios_get_tv_info(struct radeon_device *rdev);
716 extern void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
717 						 u16 *vddc, u16 *vddci, u16 *mvdd);
718 
719 extern void
720 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
721 				      struct drm_encoder *encoder,
722 				      bool connected);
723 extern void
724 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
725 				       struct drm_encoder *encoder,
726 				       bool connected);
727 
728 extern struct drm_connector *
729 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
730 extern struct drm_connector *
731 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
732 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
733 				    u32 pixel_clock);
734 
735 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
736 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
737 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
738 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
739 
740 extern struct edid *radeon_connector_edid(struct drm_connector *connector);
741 
742 extern void radeon_connector_hotplug(struct drm_connector *connector);
743 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
744 				       struct drm_display_mode *mode);
745 extern void radeon_dp_set_link_config(struct drm_connector *connector,
746 				      const struct drm_display_mode *mode);
747 extern void radeon_dp_link_train(struct drm_encoder *encoder,
748 				 struct drm_connector *connector);
749 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
750 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
751 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
752 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
753 				    struct drm_connector *connector);
754 extern void radeon_dp_set_rx_power_state(struct drm_connector *connector,
755 					 u8 power_state);
756 extern void radeon_dp_aux_init(struct radeon_connector *radeon_connector);
757 extern ssize_t
758 radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg);
759 
760 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
761 extern void atombios_dig_encoder_setup2(struct drm_encoder *encoder, int action, int panel_mode, int enc_override);
762 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
763 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
764 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
765 					   int action, uint8_t lane_num,
766 					   uint8_t lane_set);
767 extern void atombios_dig_transmitter_setup2(struct drm_encoder *encoder,
768 					    int action, uint8_t lane_num,
769 					    uint8_t lane_set, int fe);
770 extern void atombios_set_mst_encoder_crtc_source(struct drm_encoder *encoder,
771 						 int fe);
772 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
773 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
774 void radeon_atom_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
775 
776 extern void radeon_i2c_init(struct radeon_device *rdev);
777 extern void radeon_i2c_fini(struct radeon_device *rdev);
778 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
779 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
780 extern void radeon_i2c_add(struct radeon_device *rdev,
781 			   struct radeon_i2c_bus_rec *rec,
782 			   const char *name);
783 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
784 						 struct radeon_i2c_bus_rec *i2c_bus);
785 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
786 						 struct radeon_i2c_bus_rec *rec,
787 						 const char *name);
788 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
789 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
790 				u8 slave_addr,
791 				u8 addr,
792 				u8 *val);
793 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
794 				u8 slave_addr,
795 				u8 addr,
796 				u8 val);
797 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
798 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
799 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
800 
801 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
802 					     struct radeon_atom_ss *ss,
803 					     int id);
804 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
805 					     struct radeon_atom_ss *ss,
806 					     int id, u32 clock);
807 extern struct radeon_gpio_rec radeon_atombios_lookup_gpio(struct radeon_device *rdev,
808 							  u8 id);
809 
810 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
811 				      uint64_t freq,
812 				      uint32_t *dot_clock_p,
813 				      uint32_t *fb_div_p,
814 				      uint32_t *frac_fb_div_p,
815 				      uint32_t *ref_div_p,
816 				      uint32_t *post_div_p);
817 
818 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
819 				     u32 freq,
820 				     u32 *dot_clock_p,
821 				     u32 *fb_div_p,
822 				     u32 *frac_fb_div_p,
823 				     u32 *ref_div_p,
824 				     u32 *post_div_p);
825 
826 extern void radeon_setup_encoder_clones(struct drm_device *dev);
827 
828 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
829 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
830 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
831 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
832 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
833 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
834 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
835 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
836 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
837 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
838 extern bool radeon_encoder_is_digital(struct drm_encoder *encoder);
839 
840 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
841 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
842 				   struct drm_framebuffer *old_fb);
843 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
844 					 struct drm_framebuffer *fb,
845 					 int x, int y,
846 					 enum mode_set_atomic state);
847 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
848 				   struct drm_display_mode *mode,
849 				   struct drm_display_mode *adjusted_mode,
850 				   int x, int y,
851 				   struct drm_framebuffer *old_fb);
852 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
853 
854 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
855 				 struct drm_framebuffer *old_fb);
856 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
857 				       struct drm_framebuffer *fb,
858 				       int x, int y,
859 				       enum mode_set_atomic state);
860 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
861 				   struct drm_framebuffer *fb,
862 				   int x, int y, int atomic);
863 extern int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
864 				   struct drm_file *file_priv,
865 				   uint32_t handle,
866 				   uint32_t width,
867 				   uint32_t height,
868 				   int32_t hot_x,
869 				   int32_t hot_y);
870 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
871 				   int x, int y);
872 extern void radeon_cursor_reset(struct drm_crtc *crtc);
873 
874 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
875 				      unsigned int flags, int *vpos, int *hpos,
876 				      ktime_t *stime, ktime_t *etime,
877 				      const struct drm_display_mode *mode);
878 
879 extern bool
880 radeon_get_crtc_scanout_position(struct drm_crtc *crtc, bool in_vblank_irq,
881 				 int *vpos, int *hpos,
882 				 ktime_t *stime, ktime_t *etime,
883 				 const struct drm_display_mode *mode);
884 
885 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
886 extern struct edid *
887 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
888 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
889 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
890 extern struct radeon_encoder_atom_dig *
891 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
892 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
893 					  struct radeon_encoder_int_tmds *tmds);
894 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
895 						     struct radeon_encoder_int_tmds *tmds);
896 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
897 						   struct radeon_encoder_int_tmds *tmds);
898 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
899 							 struct radeon_encoder_ext_tmds *tmds);
900 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
901 						       struct radeon_encoder_ext_tmds *tmds);
902 extern struct radeon_encoder_primary_dac *
903 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
904 extern struct radeon_encoder_tv_dac *
905 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
906 extern struct radeon_encoder_lvds *
907 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
908 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
909 extern struct radeon_encoder_tv_dac *
910 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
911 extern struct radeon_encoder_primary_dac *
912 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
913 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
914 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
915 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
916 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
917 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
918 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
919 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
920 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
921 extern void
922 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
923 extern void
924 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
925 extern void
926 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
927 extern void
928 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
929 int radeon_framebuffer_init(struct drm_device *dev,
930 			     struct drm_framebuffer *rfb,
931 			     const struct drm_mode_fb_cmd2 *mode_cmd,
932 			     struct drm_gem_object *obj);
933 
934 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
935 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
936 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
937 void radeon_atombios_init_crtc(struct drm_device *dev,
938 			       struct radeon_crtc *radeon_crtc);
939 void radeon_legacy_init_crtc(struct drm_device *dev,
940 			     struct radeon_crtc *radeon_crtc);
941 
942 void radeon_get_clock_info(struct drm_device *dev);
943 
944 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
945 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
946 
947 void radeon_enc_destroy(struct drm_encoder *encoder);
948 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
949 void radeon_combios_asic_init(struct drm_device *dev);
950 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
951 					const struct drm_display_mode *mode,
952 					struct drm_display_mode *adjusted_mode);
953 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
954 			     struct drm_display_mode *adjusted_mode);
955 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
956 
957 /* legacy tv */
958 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
959 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
960 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
961 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
962 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
963 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
964 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
965 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
966 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
967 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
968 			       struct drm_display_mode *mode,
969 			       struct drm_display_mode *adjusted_mode);
970 
971 /* fmt blocks */
972 void avivo_program_fmt(struct drm_encoder *encoder);
973 void dce3_program_fmt(struct drm_encoder *encoder);
974 void dce4_program_fmt(struct drm_encoder *encoder);
975 void dce8_program_fmt(struct drm_encoder *encoder);
976 
977 /* fbdev layer */
978 int radeon_fbdev_init(struct radeon_device *rdev);
979 void radeon_fbdev_fini(struct radeon_device *rdev);
980 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
981 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
982 
983 void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id);
984 
985 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
986 
987 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
988 
989 /* mst */
990 int radeon_dp_mst_init(struct radeon_connector *radeon_connector);
991 int radeon_dp_mst_probe(struct radeon_connector *radeon_connector);
992 int radeon_dp_mst_check_status(struct radeon_connector *radeon_connector);
993 void radeon_mst_debugfs_init(struct radeon_device *rdev);
994 void radeon_dp_mst_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode);
995 
996 void radeon_setup_mst_connector(struct drm_device *dev);
997 
998 int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder, int fe_idx);
999 void radeon_atom_release_dig_encoder(struct radeon_device *rdev, int enc_idx);
1000 #endif
1001