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