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