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 #include <linux/i2c.h>
39 #include <linux/i2c-algo-bit.h>
40 
41 struct radeon_bo;
42 struct radeon_device;
43 
44 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
45 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
46 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
47 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
48 
49 enum radeon_rmx_type {
50 	RMX_OFF,
51 	RMX_FULL,
52 	RMX_CENTER,
53 	RMX_ASPECT
54 };
55 
56 enum radeon_tv_std {
57 	TV_STD_NTSC,
58 	TV_STD_PAL,
59 	TV_STD_PAL_M,
60 	TV_STD_PAL_60,
61 	TV_STD_NTSC_J,
62 	TV_STD_SCART_PAL,
63 	TV_STD_SECAM,
64 	TV_STD_PAL_CN,
65 	TV_STD_PAL_N,
66 };
67 
68 enum radeon_underscan_type {
69 	UNDERSCAN_OFF,
70 	UNDERSCAN_ON,
71 	UNDERSCAN_AUTO,
72 };
73 
74 enum radeon_hpd_id {
75 	RADEON_HPD_1 = 0,
76 	RADEON_HPD_2,
77 	RADEON_HPD_3,
78 	RADEON_HPD_4,
79 	RADEON_HPD_5,
80 	RADEON_HPD_6,
81 	RADEON_HPD_NONE = 0xff,
82 };
83 
84 #define RADEON_MAX_I2C_BUS 16
85 
86 /* radeon gpio-based i2c
87  * 1. "mask" reg and bits
88  *    grabs the gpio pins for software use
89  *    0=not held  1=held
90  * 2. "a" reg and bits
91  *    output pin value
92  *    0=low 1=high
93  * 3. "en" reg and bits
94  *    sets the pin direction
95  *    0=input 1=output
96  * 4. "y" reg and bits
97  *    input pin value
98  *    0=low 1=high
99  */
100 struct radeon_i2c_bus_rec {
101 	bool valid;
102 	/* id used by atom */
103 	uint8_t i2c_id;
104 	/* id used by atom */
105 	enum radeon_hpd_id hpd;
106 	/* can be used with hw i2c engine */
107 	bool hw_capable;
108 	/* uses multi-media i2c engine */
109 	bool mm_i2c;
110 	/* regs and bits */
111 	uint32_t mask_clk_reg;
112 	uint32_t mask_data_reg;
113 	uint32_t a_clk_reg;
114 	uint32_t a_data_reg;
115 	uint32_t en_clk_reg;
116 	uint32_t en_data_reg;
117 	uint32_t y_clk_reg;
118 	uint32_t y_data_reg;
119 	uint32_t mask_clk_mask;
120 	uint32_t mask_data_mask;
121 	uint32_t a_clk_mask;
122 	uint32_t a_data_mask;
123 	uint32_t en_clk_mask;
124 	uint32_t en_data_mask;
125 	uint32_t y_clk_mask;
126 	uint32_t y_data_mask;
127 };
128 
129 struct radeon_tmds_pll {
130     uint32_t freq;
131     uint32_t value;
132 };
133 
134 #define RADEON_MAX_BIOS_CONNECTOR 16
135 
136 /* pll flags */
137 #define RADEON_PLL_USE_BIOS_DIVS        (1 << 0)
138 #define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)
139 #define RADEON_PLL_USE_REF_DIV          (1 << 2)
140 #define RADEON_PLL_LEGACY               (1 << 3)
141 #define RADEON_PLL_PREFER_LOW_REF_DIV   (1 << 4)
142 #define RADEON_PLL_PREFER_HIGH_REF_DIV  (1 << 5)
143 #define RADEON_PLL_PREFER_LOW_FB_DIV    (1 << 6)
144 #define RADEON_PLL_PREFER_HIGH_FB_DIV   (1 << 7)
145 #define RADEON_PLL_PREFER_LOW_POST_DIV  (1 << 8)
146 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
147 #define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)
148 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
149 #define RADEON_PLL_USE_POST_DIV         (1 << 12)
150 #define RADEON_PLL_IS_LCD               (1 << 13)
151 #define RADEON_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
152 
153 struct radeon_pll {
154 	/* reference frequency */
155 	uint32_t reference_freq;
156 
157 	/* fixed dividers */
158 	uint32_t reference_div;
159 	uint32_t post_div;
160 
161 	/* pll in/out limits */
162 	uint32_t pll_in_min;
163 	uint32_t pll_in_max;
164 	uint32_t pll_out_min;
165 	uint32_t pll_out_max;
166 	uint32_t lcd_pll_out_min;
167 	uint32_t lcd_pll_out_max;
168 	uint32_t best_vco;
169 
170 	/* divider limits */
171 	uint32_t min_ref_div;
172 	uint32_t max_ref_div;
173 	uint32_t min_post_div;
174 	uint32_t max_post_div;
175 	uint32_t min_feedback_div;
176 	uint32_t max_feedback_div;
177 	uint32_t min_frac_feedback_div;
178 	uint32_t max_frac_feedback_div;
179 
180 	/* flags for the current clock */
181 	uint32_t flags;
182 
183 	/* pll id */
184 	uint32_t id;
185 };
186 
187 struct radeon_i2c_chan {
188 	struct i2c_adapter adapter;
189 	struct drm_device *dev;
190 	union {
191 		struct i2c_algo_bit_data bit;
192 		struct i2c_algo_dp_aux_data dp;
193 	} algo;
194 	struct radeon_i2c_bus_rec rec;
195 	struct drm_dp_aux aux;
196 };
197 
198 /* mostly for macs, but really any system without connector tables */
199 enum radeon_connector_table {
200 	CT_NONE = 0,
201 	CT_GENERIC,
202 	CT_IBOOK,
203 	CT_POWERBOOK_EXTERNAL,
204 	CT_POWERBOOK_INTERNAL,
205 	CT_POWERBOOK_VGA,
206 	CT_MINI_EXTERNAL,
207 	CT_MINI_INTERNAL,
208 	CT_IMAC_G5_ISIGHT,
209 	CT_EMAC,
210 	CT_RN50_POWER,
211 	CT_MAC_X800,
212 	CT_MAC_G5_9600,
213 	CT_SAM440EP,
214 	CT_MAC_G4_SILVER
215 };
216 
217 enum radeon_dvo_chip {
218 	DVO_SIL164,
219 	DVO_SIL1178,
220 };
221 
222 struct radeon_fbdev;
223 
224 struct radeon_afmt {
225 	bool enabled;
226 	int offset;
227 	bool last_buffer_filled_status;
228 	int id;
229 	struct r600_audio_pin *pin;
230 };
231 
232 struct radeon_mode_info {
233 	struct atom_context *atom_context;
234 	struct card_info *atom_card_info;
235 	enum radeon_connector_table connector_table;
236 	bool mode_config_initialized;
237 	struct radeon_crtc *crtcs[6];
238 	struct radeon_afmt *afmt[7];
239 	/* DVI-I properties */
240 	struct drm_property *coherent_mode_property;
241 	/* DAC enable load detect */
242 	struct drm_property *load_detect_property;
243 	/* TV standard */
244 	struct drm_property *tv_std_property;
245 	/* legacy TMDS PLL detect */
246 	struct drm_property *tmds_pll_property;
247 	/* underscan */
248 	struct drm_property *underscan_property;
249 	struct drm_property *underscan_hborder_property;
250 	struct drm_property *underscan_vborder_property;
251 	/* audio */
252 	struct drm_property *audio_property;
253 	/* FMT dithering */
254 	struct drm_property *dither_property;
255 	/* hardcoded DFP edid from BIOS */
256 	struct edid *bios_hardcoded_edid;
257 	int bios_hardcoded_edid_size;
258 
259 	/* pointer to fbdev info structure */
260 	struct radeon_fbdev *rfbdev;
261 	/* firmware flags */
262 	u16 firmware_flags;
263 	/* pointer to backlight encoder */
264 	struct radeon_encoder *bl_encoder;
265 };
266 
267 #define RADEON_MAX_BL_LEVEL 0xFF
268 
269 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
270 
271 struct radeon_backlight_privdata {
272 	struct radeon_encoder *encoder;
273 	uint8_t negative;
274 };
275 
276 #endif
277 
278 #define MAX_H_CODE_TIMING_LEN 32
279 #define MAX_V_CODE_TIMING_LEN 32
280 
281 /* need to store these as reading
282    back code tables is excessive */
283 struct radeon_tv_regs {
284 	uint32_t tv_uv_adr;
285 	uint32_t timing_cntl;
286 	uint32_t hrestart;
287 	uint32_t vrestart;
288 	uint32_t frestart;
289 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
290 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
291 };
292 
293 struct radeon_atom_ss {
294 	uint16_t percentage;
295 	uint16_t percentage_divider;
296 	uint8_t type;
297 	uint16_t step;
298 	uint8_t delay;
299 	uint8_t range;
300 	uint8_t refdiv;
301 	/* asic_ss */
302 	uint16_t rate;
303 	uint16_t amount;
304 };
305 
306 struct radeon_crtc {
307 	struct drm_crtc base;
308 	int crtc_id;
309 	u16 lut_r[256], lut_g[256], lut_b[256];
310 	bool enabled;
311 	bool can_tile;
312 	uint32_t crtc_offset;
313 	struct drm_gem_object *cursor_bo;
314 	uint64_t cursor_addr;
315 	int cursor_width;
316 	int cursor_height;
317 	int max_cursor_width;
318 	int max_cursor_height;
319 	uint32_t legacy_display_base_addr;
320 	uint32_t legacy_cursor_offset;
321 	enum radeon_rmx_type rmx_type;
322 	u8 h_border;
323 	u8 v_border;
324 	fixed20_12 vsc;
325 	fixed20_12 hsc;
326 	struct drm_display_mode native_mode;
327 	int pll_id;
328 	/* page flipping */
329 	struct radeon_unpin_work *unpin_work;
330 	int deferred_flip_completion;
331 	/* pll sharing */
332 	struct radeon_atom_ss ss;
333 	bool ss_enabled;
334 	u32 adjusted_clock;
335 	int bpc;
336 	u32 pll_reference_div;
337 	u32 pll_post_div;
338 	u32 pll_flags;
339 	struct drm_encoder *encoder;
340 	struct drm_connector *connector;
341 	/* for dpm */
342 	u32 line_time;
343 	u32 wm_low;
344 	u32 wm_high;
345 	struct drm_display_mode hw_mode;
346 };
347 
348 struct radeon_encoder_primary_dac {
349 	/* legacy primary dac */
350 	uint32_t ps2_pdac_adj;
351 };
352 
353 struct radeon_encoder_lvds {
354 	/* legacy lvds */
355 	uint16_t panel_vcc_delay;
356 	uint8_t  panel_pwr_delay;
357 	uint8_t  panel_digon_delay;
358 	uint8_t  panel_blon_delay;
359 	uint16_t panel_ref_divider;
360 	uint8_t  panel_post_divider;
361 	uint16_t panel_fb_divider;
362 	bool     use_bios_dividers;
363 	uint32_t lvds_gen_cntl;
364 	/* panel mode */
365 	struct drm_display_mode native_mode;
366 	struct backlight_device *bl_dev;
367 	int      dpms_mode;
368 	uint8_t  backlight_level;
369 };
370 
371 struct radeon_encoder_tv_dac {
372 	/* legacy tv dac */
373 	uint32_t ps2_tvdac_adj;
374 	uint32_t ntsc_tvdac_adj;
375 	uint32_t pal_tvdac_adj;
376 
377 	int               h_pos;
378 	int               v_pos;
379 	int               h_size;
380 	int               supported_tv_stds;
381 	bool              tv_on;
382 	enum radeon_tv_std tv_std;
383 	struct radeon_tv_regs tv;
384 };
385 
386 struct radeon_encoder_int_tmds {
387 	/* legacy int tmds */
388 	struct radeon_tmds_pll tmds_pll[4];
389 };
390 
391 struct radeon_encoder_ext_tmds {
392 	/* tmds over dvo */
393 	struct radeon_i2c_chan *i2c_bus;
394 	uint8_t slave_addr;
395 	enum radeon_dvo_chip dvo_chip;
396 };
397 
398 /* spread spectrum */
399 struct radeon_encoder_atom_dig {
400 	bool linkb;
401 	/* atom dig */
402 	bool coherent_mode;
403 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
404 	/* atom lvds/edp */
405 	uint32_t lcd_misc;
406 	uint16_t panel_pwr_delay;
407 	uint32_t lcd_ss_id;
408 	/* panel mode */
409 	struct drm_display_mode native_mode;
410 	struct backlight_device *bl_dev;
411 	int dpms_mode;
412 	uint8_t backlight_level;
413 	int panel_mode;
414 	struct radeon_afmt *afmt;
415 };
416 
417 struct radeon_encoder_atom_dac {
418 	enum radeon_tv_std tv_std;
419 };
420 
421 struct radeon_encoder {
422 	struct drm_encoder base;
423 	uint32_t encoder_enum;
424 	uint32_t encoder_id;
425 	uint32_t devices;
426 	uint32_t active_device;
427 	uint32_t flags;
428 	uint32_t pixel_clock;
429 	enum radeon_rmx_type rmx_type;
430 	enum radeon_underscan_type underscan_type;
431 	uint32_t underscan_hborder;
432 	uint32_t underscan_vborder;
433 	struct drm_display_mode native_mode;
434 	void *enc_priv;
435 	int audio_polling_active;
436 	bool is_ext_encoder;
437 	u16 caps;
438 };
439 
440 struct radeon_connector_atom_dig {
441 	uint32_t igp_lane_info;
442 	/* displayport */
443 	struct radeon_i2c_chan *dp_i2c_bus;
444 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
445 	u8 dp_sink_type;
446 	int dp_clock;
447 	int dp_lane_count;
448 	bool edp_on;
449 };
450 
451 struct radeon_gpio_rec {
452 	bool valid;
453 	u8 id;
454 	u32 reg;
455 	u32 mask;
456 };
457 
458 struct radeon_hpd {
459 	enum radeon_hpd_id hpd;
460 	u8 plugged_state;
461 	struct radeon_gpio_rec gpio;
462 };
463 
464 struct radeon_router {
465 	u32 router_id;
466 	struct radeon_i2c_bus_rec i2c_info;
467 	u8 i2c_addr;
468 	/* i2c mux */
469 	bool ddc_valid;
470 	u8 ddc_mux_type;
471 	u8 ddc_mux_control_pin;
472 	u8 ddc_mux_state;
473 	/* clock/data mux */
474 	bool cd_valid;
475 	u8 cd_mux_type;
476 	u8 cd_mux_control_pin;
477 	u8 cd_mux_state;
478 };
479 
480 enum radeon_connector_audio {
481 	RADEON_AUDIO_DISABLE = 0,
482 	RADEON_AUDIO_ENABLE = 1,
483 	RADEON_AUDIO_AUTO = 2
484 };
485 
486 enum radeon_connector_dither {
487 	RADEON_FMT_DITHER_DISABLE = 0,
488 	RADEON_FMT_DITHER_ENABLE = 1,
489 };
490 
491 struct radeon_connector {
492 	struct drm_connector base;
493 	uint32_t connector_id;
494 	uint32_t devices;
495 	struct radeon_i2c_chan *ddc_bus;
496 	/* some systems have an hdmi and vga port with a shared ddc line */
497 	bool shared_ddc;
498 	bool use_digital;
499 	/* we need to mind the EDID between detect
500 	   and get modes due to analog/digital/tvencoder */
501 	struct edid *edid;
502 	void *con_priv;
503 	bool dac_load_detect;
504 	bool detected_by_load; /* if the connection status was determined by load */
505 	uint16_t connector_object_id;
506 	struct radeon_hpd hpd;
507 	struct radeon_router router;
508 	struct radeon_i2c_chan *router_bus;
509 	enum radeon_connector_audio audio;
510 	enum radeon_connector_dither dither;
511 };
512 
513 struct radeon_framebuffer {
514 	struct drm_framebuffer base;
515 	struct drm_gem_object *obj;
516 };
517 
518 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
519 				((em) == ATOM_ENCODER_MODE_DP_MST))
520 
521 struct atom_clock_dividers {
522 	u32 post_div;
523 	union {
524 		struct {
525 #ifdef __BIG_ENDIAN
526 			u32 reserved : 6;
527 			u32 whole_fb_div : 12;
528 			u32 frac_fb_div : 14;
529 #else
530 			u32 frac_fb_div : 14;
531 			u32 whole_fb_div : 12;
532 			u32 reserved : 6;
533 #endif
534 		};
535 		u32 fb_div;
536 	};
537 	u32 ref_div;
538 	bool enable_post_div;
539 	bool enable_dithen;
540 	u32 vco_mode;
541 	u32 real_clock;
542 	/* added for CI */
543 	u32 post_divider;
544 	u32 flags;
545 };
546 
547 struct atom_mpll_param {
548 	union {
549 		struct {
550 #ifdef __BIG_ENDIAN
551 			u32 reserved : 8;
552 			u32 clkfrac : 12;
553 			u32 clkf : 12;
554 #else
555 			u32 clkf : 12;
556 			u32 clkfrac : 12;
557 			u32 reserved : 8;
558 #endif
559 		};
560 		u32 fb_div;
561 	};
562 	u32 post_div;
563 	u32 bwcntl;
564 	u32 dll_speed;
565 	u32 vco_mode;
566 	u32 yclk_sel;
567 	u32 qdr;
568 	u32 half_rate;
569 };
570 
571 #define MEM_TYPE_GDDR5  0x50
572 #define MEM_TYPE_GDDR4  0x40
573 #define MEM_TYPE_GDDR3  0x30
574 #define MEM_TYPE_DDR2   0x20
575 #define MEM_TYPE_GDDR1  0x10
576 #define MEM_TYPE_DDR3   0xb0
577 #define MEM_TYPE_MASK   0xf0
578 
579 struct atom_memory_info {
580 	u8 mem_vendor;
581 	u8 mem_type;
582 };
583 
584 #define MAX_AC_TIMING_ENTRIES 16
585 
586 struct atom_memory_clock_range_table
587 {
588 	u8 num_entries;
589 	u8 rsv[3];
590 	u32 mclk[MAX_AC_TIMING_ENTRIES];
591 };
592 
593 #define VBIOS_MC_REGISTER_ARRAY_SIZE 32
594 #define VBIOS_MAX_AC_TIMING_ENTRIES 20
595 
596 struct atom_mc_reg_entry {
597 	u32 mclk_max;
598 	u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
599 };
600 
601 struct atom_mc_register_address {
602 	u16 s1;
603 	u8 pre_reg_data;
604 };
605 
606 struct atom_mc_reg_table {
607 	u8 last;
608 	u8 num_entries;
609 	struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
610 	struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
611 };
612 
613 #define MAX_VOLTAGE_ENTRIES 32
614 
615 struct atom_voltage_table_entry
616 {
617 	u16 value;
618 	u32 smio_low;
619 };
620 
621 struct atom_voltage_table
622 {
623 	u32 count;
624 	u32 mask_low;
625 	u32 phase_delay;
626 	struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
627 };
628 
629 
630 extern void
631 radeon_add_atom_connector(struct drm_device *dev,
632 			  uint32_t connector_id,
633 			  uint32_t supported_device,
634 			  int connector_type,
635 			  struct radeon_i2c_bus_rec *i2c_bus,
636 			  uint32_t igp_lane_info,
637 			  uint16_t connector_object_id,
638 			  struct radeon_hpd *hpd,
639 			  struct radeon_router *router);
640 extern void
641 radeon_add_legacy_connector(struct drm_device *dev,
642 			    uint32_t connector_id,
643 			    uint32_t supported_device,
644 			    int connector_type,
645 			    struct radeon_i2c_bus_rec *i2c_bus,
646 			    uint16_t connector_object_id,
647 			    struct radeon_hpd *hpd);
648 extern uint32_t
649 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
650 			uint8_t dac);
651 extern void radeon_link_encoder_connector(struct drm_device *dev);
652 
653 extern enum radeon_tv_std
654 radeon_combios_get_tv_info(struct radeon_device *rdev);
655 extern enum radeon_tv_std
656 radeon_atombios_get_tv_info(struct radeon_device *rdev);
657 extern void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
658 						 u16 *vddc, u16 *vddci, u16 *mvdd);
659 
660 extern void
661 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
662 				      struct drm_encoder *encoder,
663 				      bool connected);
664 extern void
665 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
666 				       struct drm_encoder *encoder,
667 				       bool connected);
668 
669 extern struct drm_connector *
670 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
671 extern struct drm_connector *
672 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
673 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
674 				    u32 pixel_clock);
675 
676 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
677 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
678 extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
679 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
680 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
681 
682 extern void radeon_connector_hotplug(struct drm_connector *connector);
683 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
684 				       struct drm_display_mode *mode);
685 extern void radeon_dp_set_link_config(struct drm_connector *connector,
686 				      const struct drm_display_mode *mode);
687 extern void radeon_dp_link_train(struct drm_encoder *encoder,
688 				 struct drm_connector *connector);
689 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
690 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
691 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
692 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
693 				    struct drm_connector *connector);
694 extern void radeon_dp_set_rx_power_state(struct drm_connector *connector,
695 					 u8 power_state);
696 extern void radeon_dp_aux_init(struct radeon_connector *radeon_connector);
697 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
698 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
699 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
700 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
701 					   int action, uint8_t lane_num,
702 					   uint8_t lane_set);
703 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
704 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
705 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
706 				u8 write_byte, u8 *read_byte);
707 void radeon_atom_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
708 
709 extern void radeon_i2c_init(struct radeon_device *rdev);
710 extern void radeon_i2c_fini(struct radeon_device *rdev);
711 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
712 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
713 extern void radeon_i2c_add(struct radeon_device *rdev,
714 			   struct radeon_i2c_bus_rec *rec,
715 			   const char *name);
716 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
717 						 struct radeon_i2c_bus_rec *i2c_bus);
718 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
719 						    struct radeon_i2c_bus_rec *rec,
720 						    const char *name);
721 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
722 						 struct radeon_i2c_bus_rec *rec,
723 						 const char *name);
724 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
725 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
726 				u8 slave_addr,
727 				u8 addr,
728 				u8 *val);
729 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
730 				u8 slave_addr,
731 				u8 addr,
732 				u8 val);
733 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
734 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
735 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
736 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
737 
738 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
739 
740 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
741 					     struct radeon_atom_ss *ss,
742 					     int id);
743 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
744 					     struct radeon_atom_ss *ss,
745 					     int id, u32 clock);
746 
747 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
748 				      uint64_t freq,
749 				      uint32_t *dot_clock_p,
750 				      uint32_t *fb_div_p,
751 				      uint32_t *frac_fb_div_p,
752 				      uint32_t *ref_div_p,
753 				      uint32_t *post_div_p);
754 
755 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
756 				     u32 freq,
757 				     u32 *dot_clock_p,
758 				     u32 *fb_div_p,
759 				     u32 *frac_fb_div_p,
760 				     u32 *ref_div_p,
761 				     u32 *post_div_p);
762 
763 extern void radeon_setup_encoder_clones(struct drm_device *dev);
764 
765 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
766 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
767 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
768 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
769 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
770 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
771 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
772 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
773 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
774 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
775 
776 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
777 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
778 				   struct drm_framebuffer *old_fb);
779 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
780 					 struct drm_framebuffer *fb,
781 					 int x, int y,
782 					 enum mode_set_atomic state);
783 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
784 				   struct drm_display_mode *mode,
785 				   struct drm_display_mode *adjusted_mode,
786 				   int x, int y,
787 				   struct drm_framebuffer *old_fb);
788 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
789 
790 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
791 				 struct drm_framebuffer *old_fb);
792 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
793 				       struct drm_framebuffer *fb,
794 				       int x, int y,
795 				       enum mode_set_atomic state);
796 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
797 				   struct drm_framebuffer *fb,
798 				   int x, int y, int atomic);
799 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
800 				  struct drm_file *file_priv,
801 				  uint32_t handle,
802 				  uint32_t width,
803 				  uint32_t height);
804 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
805 				   int x, int y);
806 
807 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
808 				      unsigned int flags,
809 				      int *vpos, int *hpos, ktime_t *stime,
810 				      ktime_t *etime);
811 
812 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
813 extern struct edid *
814 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
815 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
816 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
817 extern struct radeon_encoder_atom_dig *
818 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
819 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
820 					  struct radeon_encoder_int_tmds *tmds);
821 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
822 						     struct radeon_encoder_int_tmds *tmds);
823 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
824 						   struct radeon_encoder_int_tmds *tmds);
825 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
826 							 struct radeon_encoder_ext_tmds *tmds);
827 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
828 						       struct radeon_encoder_ext_tmds *tmds);
829 extern struct radeon_encoder_primary_dac *
830 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
831 extern struct radeon_encoder_tv_dac *
832 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
833 extern struct radeon_encoder_lvds *
834 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
835 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
836 extern struct radeon_encoder_tv_dac *
837 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
838 extern struct radeon_encoder_primary_dac *
839 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
840 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
841 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
842 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
843 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
844 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
845 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
846 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
847 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
848 extern void
849 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
850 extern void
851 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
852 extern void
853 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
854 extern void
855 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
856 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
857 				     u16 blue, int regno);
858 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
859 				     u16 *blue, int regno);
860 int radeon_framebuffer_init(struct drm_device *dev,
861 			     struct radeon_framebuffer *rfb,
862 			     struct drm_mode_fb_cmd2 *mode_cmd,
863 			     struct drm_gem_object *obj);
864 
865 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
866 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
867 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
868 void radeon_atombios_init_crtc(struct drm_device *dev,
869 			       struct radeon_crtc *radeon_crtc);
870 void radeon_legacy_init_crtc(struct drm_device *dev,
871 			     struct radeon_crtc *radeon_crtc);
872 
873 void radeon_get_clock_info(struct drm_device *dev);
874 
875 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
876 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
877 
878 void radeon_enc_destroy(struct drm_encoder *encoder);
879 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
880 void radeon_combios_asic_init(struct drm_device *dev);
881 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
882 					const struct drm_display_mode *mode,
883 					struct drm_display_mode *adjusted_mode);
884 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
885 			     struct drm_display_mode *adjusted_mode);
886 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
887 
888 /* legacy tv */
889 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
890 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
891 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
892 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
893 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
894 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
895 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
896 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
897 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
898 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
899 			       struct drm_display_mode *mode,
900 			       struct drm_display_mode *adjusted_mode);
901 
902 /* fmt blocks */
903 void avivo_program_fmt(struct drm_encoder *encoder);
904 void dce3_program_fmt(struct drm_encoder *encoder);
905 void dce4_program_fmt(struct drm_encoder *encoder);
906 void dce8_program_fmt(struct drm_encoder *encoder);
907 
908 /* fbdev layer */
909 int radeon_fbdev_init(struct radeon_device *rdev);
910 void radeon_fbdev_fini(struct radeon_device *rdev);
911 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
912 int radeon_fbdev_total_size(struct radeon_device *rdev);
913 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
914 
915 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
916 
917 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
918 
919 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
920 #endif
921