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