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 };
196 
197 /* mostly for macs, but really any system without connector tables */
198 enum radeon_connector_table {
199 	CT_NONE = 0,
200 	CT_GENERIC,
201 	CT_IBOOK,
202 	CT_POWERBOOK_EXTERNAL,
203 	CT_POWERBOOK_INTERNAL,
204 	CT_POWERBOOK_VGA,
205 	CT_MINI_EXTERNAL,
206 	CT_MINI_INTERNAL,
207 	CT_IMAC_G5_ISIGHT,
208 	CT_EMAC,
209 	CT_RN50_POWER,
210 	CT_MAC_X800,
211 	CT_MAC_G5_9600,
212 	CT_SAM440EP,
213 	CT_MAC_G4_SILVER
214 };
215 
216 enum radeon_dvo_chip {
217 	DVO_SIL164,
218 	DVO_SIL1178,
219 };
220 
221 struct radeon_fbdev;
222 
223 struct radeon_afmt {
224 	bool enabled;
225 	int offset;
226 	bool last_buffer_filled_status;
227 	int id;
228 	struct r600_audio_pin *pin;
229 };
230 
231 struct radeon_mode_info {
232 	struct atom_context *atom_context;
233 	struct card_info *atom_card_info;
234 	enum radeon_connector_table connector_table;
235 	bool mode_config_initialized;
236 	struct radeon_crtc *crtcs[6];
237 	struct radeon_afmt *afmt[7];
238 	/* DVI-I properties */
239 	struct drm_property *coherent_mode_property;
240 	/* DAC enable load detect */
241 	struct drm_property *load_detect_property;
242 	/* TV standard */
243 	struct drm_property *tv_std_property;
244 	/* legacy TMDS PLL detect */
245 	struct drm_property *tmds_pll_property;
246 	/* underscan */
247 	struct drm_property *underscan_property;
248 	struct drm_property *underscan_hborder_property;
249 	struct drm_property *underscan_vborder_property;
250 	/* audio */
251 	struct drm_property *audio_property;
252 	/* hardcoded DFP edid from BIOS */
253 	struct edid *bios_hardcoded_edid;
254 	int bios_hardcoded_edid_size;
255 
256 	/* pointer to fbdev info structure */
257 	struct radeon_fbdev *rfbdev;
258 	/* firmware flags */
259 	u16 firmware_flags;
260 	/* pointer to backlight encoder */
261 	struct radeon_encoder *bl_encoder;
262 };
263 
264 #define RADEON_MAX_BL_LEVEL 0xFF
265 
266 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
267 
268 struct radeon_backlight_privdata {
269 	struct radeon_encoder *encoder;
270 	uint8_t negative;
271 };
272 
273 #endif
274 
275 #define MAX_H_CODE_TIMING_LEN 32
276 #define MAX_V_CODE_TIMING_LEN 32
277 
278 /* need to store these as reading
279    back code tables is excessive */
280 struct radeon_tv_regs {
281 	uint32_t tv_uv_adr;
282 	uint32_t timing_cntl;
283 	uint32_t hrestart;
284 	uint32_t vrestart;
285 	uint32_t frestart;
286 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
287 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
288 };
289 
290 struct radeon_atom_ss {
291 	uint16_t percentage;
292 	uint8_t type;
293 	uint16_t step;
294 	uint8_t delay;
295 	uint8_t range;
296 	uint8_t refdiv;
297 	/* asic_ss */
298 	uint16_t rate;
299 	uint16_t amount;
300 };
301 
302 struct radeon_crtc {
303 	struct drm_crtc base;
304 	int crtc_id;
305 	u16 lut_r[256], lut_g[256], lut_b[256];
306 	bool enabled;
307 	bool can_tile;
308 	uint32_t crtc_offset;
309 	struct drm_gem_object *cursor_bo;
310 	uint64_t cursor_addr;
311 	int cursor_width;
312 	int cursor_height;
313 	int max_cursor_width;
314 	int max_cursor_height;
315 	uint32_t legacy_display_base_addr;
316 	uint32_t legacy_cursor_offset;
317 	enum radeon_rmx_type rmx_type;
318 	u8 h_border;
319 	u8 v_border;
320 	fixed20_12 vsc;
321 	fixed20_12 hsc;
322 	struct drm_display_mode native_mode;
323 	int pll_id;
324 	/* page flipping */
325 	struct radeon_unpin_work *unpin_work;
326 	int deferred_flip_completion;
327 	/* pll sharing */
328 	struct radeon_atom_ss ss;
329 	bool ss_enabled;
330 	u32 adjusted_clock;
331 	int bpc;
332 	u32 pll_reference_div;
333 	u32 pll_post_div;
334 	u32 pll_flags;
335 	struct drm_encoder *encoder;
336 	struct drm_connector *connector;
337 	/* for dpm */
338 	u32 line_time;
339 	u32 wm_low;
340 	u32 wm_high;
341 	struct drm_display_mode hw_mode;
342 };
343 
344 struct radeon_encoder_primary_dac {
345 	/* legacy primary dac */
346 	uint32_t ps2_pdac_adj;
347 };
348 
349 struct radeon_encoder_lvds {
350 	/* legacy lvds */
351 	uint16_t panel_vcc_delay;
352 	uint8_t  panel_pwr_delay;
353 	uint8_t  panel_digon_delay;
354 	uint8_t  panel_blon_delay;
355 	uint16_t panel_ref_divider;
356 	uint8_t  panel_post_divider;
357 	uint16_t panel_fb_divider;
358 	bool     use_bios_dividers;
359 	uint32_t lvds_gen_cntl;
360 	/* panel mode */
361 	struct drm_display_mode native_mode;
362 	struct backlight_device *bl_dev;
363 	int      dpms_mode;
364 	uint8_t  backlight_level;
365 };
366 
367 struct radeon_encoder_tv_dac {
368 	/* legacy tv dac */
369 	uint32_t ps2_tvdac_adj;
370 	uint32_t ntsc_tvdac_adj;
371 	uint32_t pal_tvdac_adj;
372 
373 	int               h_pos;
374 	int               v_pos;
375 	int               h_size;
376 	int               supported_tv_stds;
377 	bool              tv_on;
378 	enum radeon_tv_std tv_std;
379 	struct radeon_tv_regs tv;
380 };
381 
382 struct radeon_encoder_int_tmds {
383 	/* legacy int tmds */
384 	struct radeon_tmds_pll tmds_pll[4];
385 };
386 
387 struct radeon_encoder_ext_tmds {
388 	/* tmds over dvo */
389 	struct radeon_i2c_chan *i2c_bus;
390 	uint8_t slave_addr;
391 	enum radeon_dvo_chip dvo_chip;
392 };
393 
394 /* spread spectrum */
395 struct radeon_encoder_atom_dig {
396 	bool linkb;
397 	/* atom dig */
398 	bool coherent_mode;
399 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
400 	/* atom lvds/edp */
401 	uint32_t lcd_misc;
402 	uint16_t panel_pwr_delay;
403 	uint32_t lcd_ss_id;
404 	/* panel mode */
405 	struct drm_display_mode native_mode;
406 	struct backlight_device *bl_dev;
407 	int dpms_mode;
408 	uint8_t backlight_level;
409 	int panel_mode;
410 	struct radeon_afmt *afmt;
411 };
412 
413 struct radeon_encoder_atom_dac {
414 	enum radeon_tv_std tv_std;
415 };
416 
417 struct radeon_encoder {
418 	struct drm_encoder base;
419 	uint32_t encoder_enum;
420 	uint32_t encoder_id;
421 	uint32_t devices;
422 	uint32_t active_device;
423 	uint32_t flags;
424 	uint32_t pixel_clock;
425 	enum radeon_rmx_type rmx_type;
426 	enum radeon_underscan_type underscan_type;
427 	uint32_t underscan_hborder;
428 	uint32_t underscan_vborder;
429 	struct drm_display_mode native_mode;
430 	void *enc_priv;
431 	int audio_polling_active;
432 	bool is_ext_encoder;
433 	u16 caps;
434 };
435 
436 struct radeon_connector_atom_dig {
437 	uint32_t igp_lane_info;
438 	/* displayport */
439 	struct radeon_i2c_chan *dp_i2c_bus;
440 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
441 	u8 dp_sink_type;
442 	int dp_clock;
443 	int dp_lane_count;
444 	bool edp_on;
445 };
446 
447 struct radeon_gpio_rec {
448 	bool valid;
449 	u8 id;
450 	u32 reg;
451 	u32 mask;
452 };
453 
454 struct radeon_hpd {
455 	enum radeon_hpd_id hpd;
456 	u8 plugged_state;
457 	struct radeon_gpio_rec gpio;
458 };
459 
460 struct radeon_router {
461 	u32 router_id;
462 	struct radeon_i2c_bus_rec i2c_info;
463 	u8 i2c_addr;
464 	/* i2c mux */
465 	bool ddc_valid;
466 	u8 ddc_mux_type;
467 	u8 ddc_mux_control_pin;
468 	u8 ddc_mux_state;
469 	/* clock/data mux */
470 	bool cd_valid;
471 	u8 cd_mux_type;
472 	u8 cd_mux_control_pin;
473 	u8 cd_mux_state;
474 };
475 
476 enum radeon_connector_audio {
477 	RADEON_AUDIO_DISABLE = 0,
478 	RADEON_AUDIO_ENABLE = 1,
479 	RADEON_AUDIO_AUTO = 2
480 };
481 
482 struct radeon_connector {
483 	struct drm_connector base;
484 	uint32_t connector_id;
485 	uint32_t devices;
486 	struct radeon_i2c_chan *ddc_bus;
487 	/* some systems have an hdmi and vga port with a shared ddc line */
488 	bool shared_ddc;
489 	bool use_digital;
490 	/* we need to mind the EDID between detect
491 	   and get modes due to analog/digital/tvencoder */
492 	struct edid *edid;
493 	void *con_priv;
494 	bool dac_load_detect;
495 	bool detected_by_load; /* if the connection status was determined by load */
496 	uint16_t connector_object_id;
497 	struct radeon_hpd hpd;
498 	struct radeon_router router;
499 	struct radeon_i2c_chan *router_bus;
500 	enum radeon_connector_audio audio;
501 };
502 
503 struct radeon_framebuffer {
504 	struct drm_framebuffer base;
505 	struct drm_gem_object *obj;
506 };
507 
508 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
509 				((em) == ATOM_ENCODER_MODE_DP_MST))
510 
511 struct atom_clock_dividers {
512 	u32 post_div;
513 	union {
514 		struct {
515 #ifdef __BIG_ENDIAN
516 			u32 reserved : 6;
517 			u32 whole_fb_div : 12;
518 			u32 frac_fb_div : 14;
519 #else
520 			u32 frac_fb_div : 14;
521 			u32 whole_fb_div : 12;
522 			u32 reserved : 6;
523 #endif
524 		};
525 		u32 fb_div;
526 	};
527 	u32 ref_div;
528 	bool enable_post_div;
529 	bool enable_dithen;
530 	u32 vco_mode;
531 	u32 real_clock;
532 	/* added for CI */
533 	u32 post_divider;
534 	u32 flags;
535 };
536 
537 struct atom_mpll_param {
538 	union {
539 		struct {
540 #ifdef __BIG_ENDIAN
541 			u32 reserved : 8;
542 			u32 clkfrac : 12;
543 			u32 clkf : 12;
544 #else
545 			u32 clkf : 12;
546 			u32 clkfrac : 12;
547 			u32 reserved : 8;
548 #endif
549 		};
550 		u32 fb_div;
551 	};
552 	u32 post_div;
553 	u32 bwcntl;
554 	u32 dll_speed;
555 	u32 vco_mode;
556 	u32 yclk_sel;
557 	u32 qdr;
558 	u32 half_rate;
559 };
560 
561 #define MEM_TYPE_GDDR5  0x50
562 #define MEM_TYPE_GDDR4  0x40
563 #define MEM_TYPE_GDDR3  0x30
564 #define MEM_TYPE_DDR2   0x20
565 #define MEM_TYPE_GDDR1  0x10
566 #define MEM_TYPE_DDR3   0xb0
567 #define MEM_TYPE_MASK   0xf0
568 
569 struct atom_memory_info {
570 	u8 mem_vendor;
571 	u8 mem_type;
572 };
573 
574 #define MAX_AC_TIMING_ENTRIES 16
575 
576 struct atom_memory_clock_range_table
577 {
578 	u8 num_entries;
579 	u8 rsv[3];
580 	u32 mclk[MAX_AC_TIMING_ENTRIES];
581 };
582 
583 #define VBIOS_MC_REGISTER_ARRAY_SIZE 32
584 #define VBIOS_MAX_AC_TIMING_ENTRIES 20
585 
586 struct atom_mc_reg_entry {
587 	u32 mclk_max;
588 	u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
589 };
590 
591 struct atom_mc_register_address {
592 	u16 s1;
593 	u8 pre_reg_data;
594 };
595 
596 struct atom_mc_reg_table {
597 	u8 last;
598 	u8 num_entries;
599 	struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
600 	struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
601 };
602 
603 #define MAX_VOLTAGE_ENTRIES 32
604 
605 struct atom_voltage_table_entry
606 {
607 	u16 value;
608 	u32 smio_low;
609 };
610 
611 struct atom_voltage_table
612 {
613 	u32 count;
614 	u32 mask_low;
615 	u32 phase_delay;
616 	struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
617 };
618 
619 extern enum radeon_tv_std
620 radeon_combios_get_tv_info(struct radeon_device *rdev);
621 extern enum radeon_tv_std
622 radeon_atombios_get_tv_info(struct radeon_device *rdev);
623 extern void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
624 						 u16 *vddc, u16 *vddci, u16 *mvdd);
625 
626 extern struct drm_connector *
627 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
628 extern struct drm_connector *
629 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
630 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
631 				    u32 pixel_clock);
632 
633 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
634 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
635 extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
636 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
637 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
638 
639 extern void radeon_connector_hotplug(struct drm_connector *connector);
640 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
641 				       struct drm_display_mode *mode);
642 extern void radeon_dp_set_link_config(struct drm_connector *connector,
643 				      const struct drm_display_mode *mode);
644 extern void radeon_dp_link_train(struct drm_encoder *encoder,
645 				 struct drm_connector *connector);
646 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
647 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
648 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
649 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
650 				    struct drm_connector *connector);
651 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
652 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
653 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
654 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
655 					   int action, uint8_t lane_num,
656 					   uint8_t lane_set);
657 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
658 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
659 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
660 				u8 write_byte, u8 *read_byte);
661 
662 extern void radeon_i2c_init(struct radeon_device *rdev);
663 extern void radeon_i2c_fini(struct radeon_device *rdev);
664 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
665 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
666 extern void radeon_i2c_add(struct radeon_device *rdev,
667 			   struct radeon_i2c_bus_rec *rec,
668 			   const char *name);
669 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
670 						 struct radeon_i2c_bus_rec *i2c_bus);
671 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
672 						    struct radeon_i2c_bus_rec *rec,
673 						    const char *name);
674 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
675 						 struct radeon_i2c_bus_rec *rec,
676 						 const char *name);
677 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
678 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
679 				u8 slave_addr,
680 				u8 addr,
681 				u8 *val);
682 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
683 				u8 slave_addr,
684 				u8 addr,
685 				u8 val);
686 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
687 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
688 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
689 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
690 
691 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
692 
693 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
694 					     struct radeon_atom_ss *ss,
695 					     int id);
696 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
697 					     struct radeon_atom_ss *ss,
698 					     int id, u32 clock);
699 
700 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
701 				      uint64_t freq,
702 				      uint32_t *dot_clock_p,
703 				      uint32_t *fb_div_p,
704 				      uint32_t *frac_fb_div_p,
705 				      uint32_t *ref_div_p,
706 				      uint32_t *post_div_p);
707 
708 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
709 				     u32 freq,
710 				     u32 *dot_clock_p,
711 				     u32 *fb_div_p,
712 				     u32 *frac_fb_div_p,
713 				     u32 *ref_div_p,
714 				     u32 *post_div_p);
715 
716 extern void radeon_setup_encoder_clones(struct drm_device *dev);
717 
718 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
719 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
720 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
721 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
722 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
723 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
724 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
725 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
726 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
727 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
728 
729 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
730 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
731 				   struct drm_framebuffer *old_fb);
732 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
733 					 struct drm_framebuffer *fb,
734 					 int x, int y,
735 					 enum mode_set_atomic state);
736 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
737 				   struct drm_display_mode *mode,
738 				   struct drm_display_mode *adjusted_mode,
739 				   int x, int y,
740 				   struct drm_framebuffer *old_fb);
741 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
742 
743 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
744 				 struct drm_framebuffer *old_fb);
745 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
746 				       struct drm_framebuffer *fb,
747 				       int x, int y,
748 				       enum mode_set_atomic state);
749 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
750 				   struct drm_framebuffer *fb,
751 				   int x, int y, int atomic);
752 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
753 				  struct drm_file *file_priv,
754 				  uint32_t handle,
755 				  uint32_t width,
756 				  uint32_t height);
757 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
758 				   int x, int y);
759 
760 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
761 				      int *vpos, int *hpos);
762 
763 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
764 extern struct edid *
765 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
766 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
767 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
768 extern struct radeon_encoder_atom_dig *
769 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
770 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
771 					  struct radeon_encoder_int_tmds *tmds);
772 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
773 						     struct radeon_encoder_int_tmds *tmds);
774 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
775 						   struct radeon_encoder_int_tmds *tmds);
776 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
777 							 struct radeon_encoder_ext_tmds *tmds);
778 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
779 						       struct radeon_encoder_ext_tmds *tmds);
780 extern struct radeon_encoder_primary_dac *
781 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
782 extern struct radeon_encoder_tv_dac *
783 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
784 extern struct radeon_encoder_lvds *
785 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
786 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
787 extern struct radeon_encoder_tv_dac *
788 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
789 extern struct radeon_encoder_primary_dac *
790 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
791 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
792 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
793 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
794 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
795 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
796 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
797 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
798 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
799 extern void
800 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
801 extern void
802 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
803 extern void
804 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
805 extern void
806 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
807 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
808 				     u16 blue, int regno);
809 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
810 				     u16 *blue, int regno);
811 int radeon_framebuffer_init(struct drm_device *dev,
812 			     struct radeon_framebuffer *rfb,
813 			     struct drm_mode_fb_cmd2 *mode_cmd,
814 			     struct drm_gem_object *obj);
815 
816 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
817 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
818 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
819 void radeon_atombios_init_crtc(struct drm_device *dev,
820 			       struct radeon_crtc *radeon_crtc);
821 void radeon_legacy_init_crtc(struct drm_device *dev,
822 			     struct radeon_crtc *radeon_crtc);
823 
824 void radeon_get_clock_info(struct drm_device *dev);
825 
826 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
827 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
828 
829 void radeon_enc_destroy(struct drm_encoder *encoder);
830 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
831 void radeon_combios_asic_init(struct drm_device *dev);
832 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
833 					const struct drm_display_mode *mode,
834 					struct drm_display_mode *adjusted_mode);
835 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
836 			     struct drm_display_mode *adjusted_mode);
837 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
838 
839 /* legacy tv */
840 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
841 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
842 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
843 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
844 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
845 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
846 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
847 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
848 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
849 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
850 			       struct drm_display_mode *mode,
851 			       struct drm_display_mode *adjusted_mode);
852 
853 /* fbdev layer */
854 int radeon_fbdev_init(struct radeon_device *rdev);
855 void radeon_fbdev_fini(struct radeon_device *rdev);
856 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
857 int radeon_fbdev_total_size(struct radeon_device *rdev);
858 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
859 
860 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
861 
862 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
863 
864 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
865 #endif
866