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 	struct drm_display_mode hw_mode;
339 };
340 
341 struct radeon_encoder_primary_dac {
342 	/* legacy primary dac */
343 	uint32_t ps2_pdac_adj;
344 };
345 
346 struct radeon_encoder_lvds {
347 	/* legacy lvds */
348 	uint16_t panel_vcc_delay;
349 	uint8_t  panel_pwr_delay;
350 	uint8_t  panel_digon_delay;
351 	uint8_t  panel_blon_delay;
352 	uint16_t panel_ref_divider;
353 	uint8_t  panel_post_divider;
354 	uint16_t panel_fb_divider;
355 	bool     use_bios_dividers;
356 	uint32_t lvds_gen_cntl;
357 	/* panel mode */
358 	struct drm_display_mode native_mode;
359 	struct backlight_device *bl_dev;
360 	int      dpms_mode;
361 	uint8_t  backlight_level;
362 };
363 
364 struct radeon_encoder_tv_dac {
365 	/* legacy tv dac */
366 	uint32_t ps2_tvdac_adj;
367 	uint32_t ntsc_tvdac_adj;
368 	uint32_t pal_tvdac_adj;
369 
370 	int               h_pos;
371 	int               v_pos;
372 	int               h_size;
373 	int               supported_tv_stds;
374 	bool              tv_on;
375 	enum radeon_tv_std tv_std;
376 	struct radeon_tv_regs tv;
377 };
378 
379 struct radeon_encoder_int_tmds {
380 	/* legacy int tmds */
381 	struct radeon_tmds_pll tmds_pll[4];
382 };
383 
384 struct radeon_encoder_ext_tmds {
385 	/* tmds over dvo */
386 	struct radeon_i2c_chan *i2c_bus;
387 	uint8_t slave_addr;
388 	enum radeon_dvo_chip dvo_chip;
389 };
390 
391 /* spread spectrum */
392 struct radeon_encoder_atom_dig {
393 	bool linkb;
394 	/* atom dig */
395 	bool coherent_mode;
396 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
397 	/* atom lvds/edp */
398 	uint32_t lcd_misc;
399 	uint16_t panel_pwr_delay;
400 	uint32_t lcd_ss_id;
401 	/* panel mode */
402 	struct drm_display_mode native_mode;
403 	struct backlight_device *bl_dev;
404 	int dpms_mode;
405 	uint8_t backlight_level;
406 	int panel_mode;
407 	struct radeon_afmt *afmt;
408 };
409 
410 struct radeon_encoder_atom_dac {
411 	enum radeon_tv_std tv_std;
412 };
413 
414 struct radeon_encoder {
415 	struct drm_encoder base;
416 	uint32_t encoder_enum;
417 	uint32_t encoder_id;
418 	uint32_t devices;
419 	uint32_t active_device;
420 	uint32_t flags;
421 	uint32_t pixel_clock;
422 	enum radeon_rmx_type rmx_type;
423 	enum radeon_underscan_type underscan_type;
424 	uint32_t underscan_hborder;
425 	uint32_t underscan_vborder;
426 	struct drm_display_mode native_mode;
427 	void *enc_priv;
428 	int audio_polling_active;
429 	bool is_ext_encoder;
430 	u16 caps;
431 };
432 
433 struct radeon_connector_atom_dig {
434 	uint32_t igp_lane_info;
435 	/* displayport */
436 	struct radeon_i2c_chan *dp_i2c_bus;
437 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
438 	u8 dp_sink_type;
439 	int dp_clock;
440 	int dp_lane_count;
441 	bool edp_on;
442 };
443 
444 struct radeon_gpio_rec {
445 	bool valid;
446 	u8 id;
447 	u32 reg;
448 	u32 mask;
449 };
450 
451 struct radeon_hpd {
452 	enum radeon_hpd_id hpd;
453 	u8 plugged_state;
454 	struct radeon_gpio_rec gpio;
455 };
456 
457 struct radeon_router {
458 	u32 router_id;
459 	struct radeon_i2c_bus_rec i2c_info;
460 	u8 i2c_addr;
461 	/* i2c mux */
462 	bool ddc_valid;
463 	u8 ddc_mux_type;
464 	u8 ddc_mux_control_pin;
465 	u8 ddc_mux_state;
466 	/* clock/data mux */
467 	bool cd_valid;
468 	u8 cd_mux_type;
469 	u8 cd_mux_control_pin;
470 	u8 cd_mux_state;
471 };
472 
473 struct radeon_connector {
474 	struct drm_connector base;
475 	uint32_t connector_id;
476 	uint32_t devices;
477 	struct radeon_i2c_chan *ddc_bus;
478 	/* some systems have an hdmi and vga port with a shared ddc line */
479 	bool shared_ddc;
480 	bool use_digital;
481 	/* we need to mind the EDID between detect
482 	   and get modes due to analog/digital/tvencoder */
483 	struct edid *edid;
484 	void *con_priv;
485 	bool dac_load_detect;
486 	bool detected_by_load; /* if the connection status was determined by load */
487 	uint16_t connector_object_id;
488 	struct radeon_hpd hpd;
489 	struct radeon_router router;
490 	struct radeon_i2c_chan *router_bus;
491 };
492 
493 struct radeon_framebuffer {
494 	struct drm_framebuffer base;
495 	struct drm_gem_object *obj;
496 };
497 
498 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
499 				((em) == ATOM_ENCODER_MODE_DP_MST))
500 
501 struct atom_clock_dividers {
502 	u32 post_div;
503 	union {
504 		struct {
505 #ifdef __BIG_ENDIAN
506 			u32 reserved : 6;
507 			u32 whole_fb_div : 12;
508 			u32 frac_fb_div : 14;
509 #else
510 			u32 frac_fb_div : 14;
511 			u32 whole_fb_div : 12;
512 			u32 reserved : 6;
513 #endif
514 		};
515 		u32 fb_div;
516 	};
517 	u32 ref_div;
518 	bool enable_post_div;
519 	bool enable_dithen;
520 	u32 vco_mode;
521 	u32 real_clock;
522 	/* added for CI */
523 	u32 post_divider;
524 	u32 flags;
525 };
526 
527 struct atom_mpll_param {
528 	union {
529 		struct {
530 #ifdef __BIG_ENDIAN
531 			u32 reserved : 8;
532 			u32 clkfrac : 12;
533 			u32 clkf : 12;
534 #else
535 			u32 clkf : 12;
536 			u32 clkfrac : 12;
537 			u32 reserved : 8;
538 #endif
539 		};
540 		u32 fb_div;
541 	};
542 	u32 post_div;
543 	u32 bwcntl;
544 	u32 dll_speed;
545 	u32 vco_mode;
546 	u32 yclk_sel;
547 	u32 qdr;
548 	u32 half_rate;
549 };
550 
551 #define MEM_TYPE_GDDR5  0x50
552 #define MEM_TYPE_GDDR4  0x40
553 #define MEM_TYPE_GDDR3  0x30
554 #define MEM_TYPE_DDR2   0x20
555 #define MEM_TYPE_GDDR1  0x10
556 #define MEM_TYPE_DDR3   0xb0
557 #define MEM_TYPE_MASK   0xf0
558 
559 struct atom_memory_info {
560 	u8 mem_vendor;
561 	u8 mem_type;
562 };
563 
564 #define MAX_AC_TIMING_ENTRIES 16
565 
566 struct atom_memory_clock_range_table
567 {
568 	u8 num_entries;
569 	u8 rsv[3];
570 	u32 mclk[MAX_AC_TIMING_ENTRIES];
571 };
572 
573 #define VBIOS_MC_REGISTER_ARRAY_SIZE 32
574 #define VBIOS_MAX_AC_TIMING_ENTRIES 20
575 
576 struct atom_mc_reg_entry {
577 	u32 mclk_max;
578 	u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
579 };
580 
581 struct atom_mc_register_address {
582 	u16 s1;
583 	u8 pre_reg_data;
584 };
585 
586 struct atom_mc_reg_table {
587 	u8 last;
588 	u8 num_entries;
589 	struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
590 	struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
591 };
592 
593 #define MAX_VOLTAGE_ENTRIES 32
594 
595 struct atom_voltage_table_entry
596 {
597 	u16 value;
598 	u32 smio_low;
599 };
600 
601 struct atom_voltage_table
602 {
603 	u32 count;
604 	u32 mask_low;
605 	u32 phase_delay;
606 	struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
607 };
608 
609 extern enum radeon_tv_std
610 radeon_combios_get_tv_info(struct radeon_device *rdev);
611 extern enum radeon_tv_std
612 radeon_atombios_get_tv_info(struct radeon_device *rdev);
613 extern void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
614 						 u16 *vddc, u16 *vddci, u16 *mvdd);
615 
616 extern struct drm_connector *
617 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
618 extern struct drm_connector *
619 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
620 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
621 				    u32 pixel_clock);
622 
623 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
624 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
625 extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
626 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
627 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
628 
629 extern void radeon_connector_hotplug(struct drm_connector *connector);
630 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
631 				       struct drm_display_mode *mode);
632 extern void radeon_dp_set_link_config(struct drm_connector *connector,
633 				      const struct drm_display_mode *mode);
634 extern void radeon_dp_link_train(struct drm_encoder *encoder,
635 				 struct drm_connector *connector);
636 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
637 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
638 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
639 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
640 				    struct drm_connector *connector);
641 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
642 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
643 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
644 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
645 					   int action, uint8_t lane_num,
646 					   uint8_t lane_set);
647 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
648 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
649 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
650 				u8 write_byte, u8 *read_byte);
651 
652 extern void radeon_i2c_init(struct radeon_device *rdev);
653 extern void radeon_i2c_fini(struct radeon_device *rdev);
654 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
655 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
656 extern void radeon_i2c_add(struct radeon_device *rdev,
657 			   struct radeon_i2c_bus_rec *rec,
658 			   const char *name);
659 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
660 						 struct radeon_i2c_bus_rec *i2c_bus);
661 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
662 						    struct radeon_i2c_bus_rec *rec,
663 						    const char *name);
664 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
665 						 struct radeon_i2c_bus_rec *rec,
666 						 const char *name);
667 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
668 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
669 				u8 slave_addr,
670 				u8 addr,
671 				u8 *val);
672 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
673 				u8 slave_addr,
674 				u8 addr,
675 				u8 val);
676 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
677 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
678 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
679 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
680 
681 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
682 
683 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
684 					     struct radeon_atom_ss *ss,
685 					     int id);
686 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
687 					     struct radeon_atom_ss *ss,
688 					     int id, u32 clock);
689 
690 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
691 				      uint64_t freq,
692 				      uint32_t *dot_clock_p,
693 				      uint32_t *fb_div_p,
694 				      uint32_t *frac_fb_div_p,
695 				      uint32_t *ref_div_p,
696 				      uint32_t *post_div_p);
697 
698 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
699 				     u32 freq,
700 				     u32 *dot_clock_p,
701 				     u32 *fb_div_p,
702 				     u32 *frac_fb_div_p,
703 				     u32 *ref_div_p,
704 				     u32 *post_div_p);
705 
706 extern void radeon_setup_encoder_clones(struct drm_device *dev);
707 
708 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
709 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
710 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
711 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
712 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
713 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
714 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
715 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
716 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
717 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
718 
719 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
720 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
721 				   struct drm_framebuffer *old_fb);
722 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
723 					 struct drm_framebuffer *fb,
724 					 int x, int y,
725 					 enum mode_set_atomic state);
726 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
727 				   struct drm_display_mode *mode,
728 				   struct drm_display_mode *adjusted_mode,
729 				   int x, int y,
730 				   struct drm_framebuffer *old_fb);
731 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
732 
733 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
734 				 struct drm_framebuffer *old_fb);
735 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
736 				       struct drm_framebuffer *fb,
737 				       int x, int y,
738 				       enum mode_set_atomic state);
739 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
740 				   struct drm_framebuffer *fb,
741 				   int x, int y, int atomic);
742 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
743 				  struct drm_file *file_priv,
744 				  uint32_t handle,
745 				  uint32_t width,
746 				  uint32_t height);
747 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
748 				   int x, int y);
749 
750 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
751 				      int *vpos, int *hpos);
752 
753 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
754 extern struct edid *
755 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
756 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
757 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
758 extern struct radeon_encoder_atom_dig *
759 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
760 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
761 					  struct radeon_encoder_int_tmds *tmds);
762 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
763 						     struct radeon_encoder_int_tmds *tmds);
764 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
765 						   struct radeon_encoder_int_tmds *tmds);
766 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
767 							 struct radeon_encoder_ext_tmds *tmds);
768 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
769 						       struct radeon_encoder_ext_tmds *tmds);
770 extern struct radeon_encoder_primary_dac *
771 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
772 extern struct radeon_encoder_tv_dac *
773 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
774 extern struct radeon_encoder_lvds *
775 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
776 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
777 extern struct radeon_encoder_tv_dac *
778 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
779 extern struct radeon_encoder_primary_dac *
780 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
781 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
782 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
783 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
784 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
785 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
786 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
787 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
788 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
789 extern void
790 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
791 extern void
792 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
793 extern void
794 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
795 extern void
796 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
797 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
798 				     u16 blue, int regno);
799 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
800 				     u16 *blue, int regno);
801 int radeon_framebuffer_init(struct drm_device *dev,
802 			     struct radeon_framebuffer *rfb,
803 			     struct drm_mode_fb_cmd2 *mode_cmd,
804 			     struct drm_gem_object *obj);
805 
806 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
807 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
808 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
809 void radeon_atombios_init_crtc(struct drm_device *dev,
810 			       struct radeon_crtc *radeon_crtc);
811 void radeon_legacy_init_crtc(struct drm_device *dev,
812 			     struct radeon_crtc *radeon_crtc);
813 
814 void radeon_get_clock_info(struct drm_device *dev);
815 
816 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
817 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
818 
819 void radeon_enc_destroy(struct drm_encoder *encoder);
820 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
821 void radeon_combios_asic_init(struct drm_device *dev);
822 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
823 					const struct drm_display_mode *mode,
824 					struct drm_display_mode *adjusted_mode);
825 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
826 			     struct drm_display_mode *adjusted_mode);
827 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
828 
829 /* legacy tv */
830 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
831 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
832 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
833 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
834 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
835 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
836 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
837 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
838 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
839 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
840 			       struct drm_display_mode *mode,
841 			       struct drm_display_mode *adjusted_mode);
842 
843 /* fbdev layer */
844 int radeon_fbdev_init(struct radeon_device *rdev);
845 void radeon_fbdev_fini(struct radeon_device *rdev);
846 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
847 int radeon_fbdev_total_size(struct radeon_device *rdev);
848 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
849 
850 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
851 
852 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
853 
854 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
855 #endif
856