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_crtc.h>
34 #include <drm_mode.h>
35 #include <drm_edid.h>
36 #include <drm_dp_helper.h>
37 #include <drm_fixed.h>
38 #include <drm_crtc_helper.h>
39 #include <linux/i2c.h>
40 #include <linux/i2c-algo-bit.h>
41 
42 struct radeon_bo;
43 struct radeon_device;
44 
45 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
46 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
47 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
48 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
49 
50 enum radeon_rmx_type {
51 	RMX_OFF,
52 	RMX_FULL,
53 	RMX_CENTER,
54 	RMX_ASPECT
55 };
56 
57 enum radeon_tv_std {
58 	TV_STD_NTSC,
59 	TV_STD_PAL,
60 	TV_STD_PAL_M,
61 	TV_STD_PAL_60,
62 	TV_STD_NTSC_J,
63 	TV_STD_SCART_PAL,
64 	TV_STD_SECAM,
65 	TV_STD_PAL_CN,
66 	TV_STD_PAL_N,
67 };
68 
69 enum radeon_underscan_type {
70 	UNDERSCAN_OFF,
71 	UNDERSCAN_ON,
72 	UNDERSCAN_AUTO,
73 };
74 
75 enum radeon_hpd_id {
76 	RADEON_HPD_1 = 0,
77 	RADEON_HPD_2,
78 	RADEON_HPD_3,
79 	RADEON_HPD_4,
80 	RADEON_HPD_5,
81 	RADEON_HPD_6,
82 	RADEON_HPD_NONE = 0xff,
83 };
84 
85 #define RADEON_MAX_I2C_BUS 16
86 
87 /* radeon gpio-based i2c
88  * 1. "mask" reg and bits
89  *    grabs the gpio pins for software use
90  *    0=not held  1=held
91  * 2. "a" reg and bits
92  *    output pin value
93  *    0=low 1=high
94  * 3. "en" reg and bits
95  *    sets the pin direction
96  *    0=input 1=output
97  * 4. "y" reg and bits
98  *    input pin value
99  *    0=low 1=high
100  */
101 struct radeon_i2c_bus_rec {
102 	bool valid;
103 	/* id used by atom */
104 	uint8_t i2c_id;
105 	/* id used by atom */
106 	enum radeon_hpd_id hpd;
107 	/* can be used with hw i2c engine */
108 	bool hw_capable;
109 	/* uses multi-media i2c engine */
110 	bool mm_i2c;
111 	/* regs and bits */
112 	uint32_t mask_clk_reg;
113 	uint32_t mask_data_reg;
114 	uint32_t a_clk_reg;
115 	uint32_t a_data_reg;
116 	uint32_t en_clk_reg;
117 	uint32_t en_data_reg;
118 	uint32_t y_clk_reg;
119 	uint32_t y_data_reg;
120 	uint32_t mask_clk_mask;
121 	uint32_t mask_data_mask;
122 	uint32_t a_clk_mask;
123 	uint32_t a_data_mask;
124 	uint32_t en_clk_mask;
125 	uint32_t en_data_mask;
126 	uint32_t y_clk_mask;
127 	uint32_t y_data_mask;
128 };
129 
130 struct radeon_tmds_pll {
131     uint32_t freq;
132     uint32_t value;
133 };
134 
135 #define RADEON_MAX_BIOS_CONNECTOR 16
136 
137 /* pll flags */
138 #define RADEON_PLL_USE_BIOS_DIVS        (1 << 0)
139 #define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)
140 #define RADEON_PLL_USE_REF_DIV          (1 << 2)
141 #define RADEON_PLL_LEGACY               (1 << 3)
142 #define RADEON_PLL_PREFER_LOW_REF_DIV   (1 << 4)
143 #define RADEON_PLL_PREFER_HIGH_REF_DIV  (1 << 5)
144 #define RADEON_PLL_PREFER_LOW_FB_DIV    (1 << 6)
145 #define RADEON_PLL_PREFER_HIGH_FB_DIV   (1 << 7)
146 #define RADEON_PLL_PREFER_LOW_POST_DIV  (1 << 8)
147 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
148 #define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)
149 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
150 #define RADEON_PLL_USE_POST_DIV         (1 << 12)
151 #define RADEON_PLL_IS_LCD               (1 << 13)
152 #define RADEON_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
153 
154 struct radeon_pll {
155 	/* reference frequency */
156 	uint32_t reference_freq;
157 
158 	/* fixed dividers */
159 	uint32_t reference_div;
160 	uint32_t post_div;
161 
162 	/* pll in/out limits */
163 	uint32_t pll_in_min;
164 	uint32_t pll_in_max;
165 	uint32_t pll_out_min;
166 	uint32_t pll_out_max;
167 	uint32_t lcd_pll_out_min;
168 	uint32_t lcd_pll_out_max;
169 	uint32_t best_vco;
170 
171 	/* divider limits */
172 	uint32_t min_ref_div;
173 	uint32_t max_ref_div;
174 	uint32_t min_post_div;
175 	uint32_t max_post_div;
176 	uint32_t min_feedback_div;
177 	uint32_t max_feedback_div;
178 	uint32_t min_frac_feedback_div;
179 	uint32_t max_frac_feedback_div;
180 
181 	/* flags for the current clock */
182 	uint32_t flags;
183 
184 	/* pll id */
185 	uint32_t id;
186 };
187 
188 struct radeon_i2c_chan {
189 	struct i2c_adapter adapter;
190 	struct drm_device *dev;
191 	union {
192 		struct i2c_algo_bit_data bit;
193 		struct i2c_algo_dp_aux_data dp;
194 	} algo;
195 	struct radeon_i2c_bus_rec rec;
196 };
197 
198 /* mostly for macs, but really any system without connector tables */
199 enum radeon_connector_table {
200 	CT_NONE = 0,
201 	CT_GENERIC,
202 	CT_IBOOK,
203 	CT_POWERBOOK_EXTERNAL,
204 	CT_POWERBOOK_INTERNAL,
205 	CT_POWERBOOK_VGA,
206 	CT_MINI_EXTERNAL,
207 	CT_MINI_INTERNAL,
208 	CT_IMAC_G5_ISIGHT,
209 	CT_EMAC,
210 	CT_RN50_POWER,
211 	CT_MAC_X800,
212 	CT_MAC_G5_9600,
213 	CT_SAM440EP
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 };
256 
257 #define MAX_H_CODE_TIMING_LEN 32
258 #define MAX_V_CODE_TIMING_LEN 32
259 
260 /* need to store these as reading
261    back code tables is excessive */
262 struct radeon_tv_regs {
263 	uint32_t tv_uv_adr;
264 	uint32_t timing_cntl;
265 	uint32_t hrestart;
266 	uint32_t vrestart;
267 	uint32_t frestart;
268 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
269 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
270 };
271 
272 struct radeon_crtc {
273 	struct drm_crtc base;
274 	int crtc_id;
275 	u16 lut_r[256], lut_g[256], lut_b[256];
276 	bool enabled;
277 	bool can_tile;
278 	bool in_mode_set;
279 	uint32_t crtc_offset;
280 	struct drm_gem_object *cursor_bo;
281 	uint64_t cursor_addr;
282 	int cursor_width;
283 	int cursor_height;
284 	uint32_t legacy_display_base_addr;
285 	uint32_t legacy_cursor_offset;
286 	enum radeon_rmx_type rmx_type;
287 	u8 h_border;
288 	u8 v_border;
289 	fixed20_12 vsc;
290 	fixed20_12 hsc;
291 	struct drm_display_mode native_mode;
292 	int pll_id;
293 	/* page flipping */
294 	struct radeon_unpin_work *unpin_work;
295 	int deferred_flip_completion;
296 };
297 
298 struct radeon_encoder_primary_dac {
299 	/* legacy primary dac */
300 	uint32_t ps2_pdac_adj;
301 };
302 
303 struct radeon_encoder_lvds {
304 	/* legacy lvds */
305 	uint16_t panel_vcc_delay;
306 	uint8_t  panel_pwr_delay;
307 	uint8_t  panel_digon_delay;
308 	uint8_t  panel_blon_delay;
309 	uint16_t panel_ref_divider;
310 	uint8_t  panel_post_divider;
311 	uint16_t panel_fb_divider;
312 	bool     use_bios_dividers;
313 	uint32_t lvds_gen_cntl;
314 	/* panel mode */
315 	struct drm_display_mode native_mode;
316 	struct backlight_device *bl_dev;
317 	int      dpms_mode;
318 	uint8_t  backlight_level;
319 };
320 
321 struct radeon_encoder_tv_dac {
322 	/* legacy tv dac */
323 	uint32_t ps2_tvdac_adj;
324 	uint32_t ntsc_tvdac_adj;
325 	uint32_t pal_tvdac_adj;
326 
327 	int               h_pos;
328 	int               v_pos;
329 	int               h_size;
330 	int               supported_tv_stds;
331 	bool              tv_on;
332 	enum radeon_tv_std tv_std;
333 	struct radeon_tv_regs tv;
334 };
335 
336 struct radeon_encoder_int_tmds {
337 	/* legacy int tmds */
338 	struct radeon_tmds_pll tmds_pll[4];
339 };
340 
341 struct radeon_encoder_ext_tmds {
342 	/* tmds over dvo */
343 	struct radeon_i2c_chan *i2c_bus;
344 	uint8_t slave_addr;
345 	enum radeon_dvo_chip dvo_chip;
346 };
347 
348 /* spread spectrum */
349 struct radeon_atom_ss {
350 	uint16_t percentage;
351 	uint8_t type;
352 	uint16_t step;
353 	uint8_t delay;
354 	uint8_t range;
355 	uint8_t refdiv;
356 	/* asic_ss */
357 	uint16_t rate;
358 	uint16_t amount;
359 };
360 
361 struct radeon_encoder_atom_dig {
362 	bool linkb;
363 	/* atom dig */
364 	bool coherent_mode;
365 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
366 	/* atom lvds/edp */
367 	uint32_t lcd_misc;
368 	uint16_t panel_pwr_delay;
369 	uint32_t lcd_ss_id;
370 	/* panel mode */
371 	struct drm_display_mode native_mode;
372 	struct backlight_device *bl_dev;
373 	int dpms_mode;
374 	uint8_t backlight_level;
375 	int panel_mode;
376 	struct radeon_afmt *afmt;
377 };
378 
379 struct radeon_encoder_atom_dac {
380 	enum radeon_tv_std tv_std;
381 };
382 
383 struct radeon_encoder {
384 	struct drm_encoder base;
385 	uint32_t encoder_enum;
386 	uint32_t encoder_id;
387 	uint32_t devices;
388 	uint32_t active_device;
389 	uint32_t flags;
390 	uint32_t pixel_clock;
391 	enum radeon_rmx_type rmx_type;
392 	enum radeon_underscan_type underscan_type;
393 	uint32_t underscan_hborder;
394 	uint32_t underscan_vborder;
395 	struct drm_display_mode native_mode;
396 	void *enc_priv;
397 	int audio_polling_active;
398 	bool is_ext_encoder;
399 	u16 caps;
400 };
401 
402 struct radeon_connector_atom_dig {
403 	uint32_t igp_lane_info;
404 	/* displayport */
405 	struct radeon_i2c_chan *dp_i2c_bus;
406 	u8 dpcd[8];
407 	u8 dp_sink_type;
408 	int dp_clock;
409 	int dp_lane_count;
410 	bool edp_on;
411 };
412 
413 struct radeon_gpio_rec {
414 	bool valid;
415 	u8 id;
416 	u32 reg;
417 	u32 mask;
418 };
419 
420 struct radeon_hpd {
421 	enum radeon_hpd_id hpd;
422 	u8 plugged_state;
423 	struct radeon_gpio_rec gpio;
424 };
425 
426 struct radeon_router {
427 	u32 router_id;
428 	struct radeon_i2c_bus_rec i2c_info;
429 	u8 i2c_addr;
430 	/* i2c mux */
431 	bool ddc_valid;
432 	u8 ddc_mux_type;
433 	u8 ddc_mux_control_pin;
434 	u8 ddc_mux_state;
435 	/* clock/data mux */
436 	bool cd_valid;
437 	u8 cd_mux_type;
438 	u8 cd_mux_control_pin;
439 	u8 cd_mux_state;
440 };
441 
442 struct radeon_connector {
443 	struct drm_connector base;
444 	uint32_t connector_id;
445 	uint32_t devices;
446 	struct radeon_i2c_chan *ddc_bus;
447 	/* some systems have an hdmi and vga port with a shared ddc line */
448 	bool shared_ddc;
449 	bool use_digital;
450 	/* we need to mind the EDID between detect
451 	   and get modes due to analog/digital/tvencoder */
452 	struct edid *edid;
453 	void *con_priv;
454 	bool dac_load_detect;
455 	bool detected_by_load; /* if the connection status was determined by load */
456 	uint16_t connector_object_id;
457 	struct radeon_hpd hpd;
458 	struct radeon_router router;
459 	struct radeon_i2c_chan *router_bus;
460 };
461 
462 struct radeon_framebuffer {
463 	struct drm_framebuffer base;
464 	struct drm_gem_object *obj;
465 };
466 
467 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
468 				((em) == ATOM_ENCODER_MODE_DP_MST))
469 
470 extern enum radeon_tv_std
471 radeon_combios_get_tv_info(struct radeon_device *rdev);
472 extern enum radeon_tv_std
473 radeon_atombios_get_tv_info(struct radeon_device *rdev);
474 
475 extern struct drm_connector *
476 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
477 extern struct drm_connector *
478 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
479 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
480 				    u32 pixel_clock);
481 
482 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
483 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
484 extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
485 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
486 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
487 
488 extern void radeon_connector_hotplug(struct drm_connector *connector);
489 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
490 				       struct drm_display_mode *mode);
491 extern void radeon_dp_set_link_config(struct drm_connector *connector,
492 				      const struct drm_display_mode *mode);
493 extern void radeon_dp_link_train(struct drm_encoder *encoder,
494 				 struct drm_connector *connector);
495 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
496 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
497 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
498 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
499 				    struct drm_connector *connector);
500 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
501 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
502 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
503 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
504 					   int action, uint8_t lane_num,
505 					   uint8_t lane_set);
506 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
507 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
508 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
509 				u8 write_byte, u8 *read_byte);
510 
511 extern void radeon_i2c_init(struct radeon_device *rdev);
512 extern void radeon_i2c_fini(struct radeon_device *rdev);
513 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
514 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
515 extern void radeon_i2c_add(struct radeon_device *rdev,
516 			   struct radeon_i2c_bus_rec *rec,
517 			   const char *name);
518 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
519 						 struct radeon_i2c_bus_rec *i2c_bus);
520 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
521 						    struct radeon_i2c_bus_rec *rec,
522 						    const char *name);
523 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
524 						 struct radeon_i2c_bus_rec *rec,
525 						 const char *name);
526 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
527 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
528 				u8 slave_addr,
529 				u8 addr,
530 				u8 *val);
531 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
532 				u8 slave_addr,
533 				u8 addr,
534 				u8 val);
535 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
536 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
537 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
538 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
539 
540 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
541 
542 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
543 					     struct radeon_atom_ss *ss,
544 					     int id);
545 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
546 					     struct radeon_atom_ss *ss,
547 					     int id, u32 clock);
548 
549 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
550 				      uint64_t freq,
551 				      uint32_t *dot_clock_p,
552 				      uint32_t *fb_div_p,
553 				      uint32_t *frac_fb_div_p,
554 				      uint32_t *ref_div_p,
555 				      uint32_t *post_div_p);
556 
557 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
558 				     u32 freq,
559 				     u32 *dot_clock_p,
560 				     u32 *fb_div_p,
561 				     u32 *frac_fb_div_p,
562 				     u32 *ref_div_p,
563 				     u32 *post_div_p);
564 
565 extern void radeon_setup_encoder_clones(struct drm_device *dev);
566 
567 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
568 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
569 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
570 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
571 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
572 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
573 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
574 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
575 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
576 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
577 
578 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
579 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
580 				   struct drm_framebuffer *old_fb);
581 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
582 					 struct drm_framebuffer *fb,
583 					 int x, int y,
584 					 enum mode_set_atomic state);
585 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
586 				   struct drm_display_mode *mode,
587 				   struct drm_display_mode *adjusted_mode,
588 				   int x, int y,
589 				   struct drm_framebuffer *old_fb);
590 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
591 
592 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
593 				 struct drm_framebuffer *old_fb);
594 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
595 				       struct drm_framebuffer *fb,
596 				       int x, int y,
597 				       enum mode_set_atomic state);
598 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
599 				   struct drm_framebuffer *fb,
600 				   int x, int y, int atomic);
601 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
602 				  struct drm_file *file_priv,
603 				  uint32_t handle,
604 				  uint32_t width,
605 				  uint32_t height);
606 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
607 				   int x, int y);
608 
609 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
610 				      int *vpos, int *hpos);
611 
612 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
613 extern struct edid *
614 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
615 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
616 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
617 extern struct radeon_encoder_atom_dig *
618 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
619 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
620 					  struct radeon_encoder_int_tmds *tmds);
621 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
622 						     struct radeon_encoder_int_tmds *tmds);
623 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
624 						   struct radeon_encoder_int_tmds *tmds);
625 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
626 							 struct radeon_encoder_ext_tmds *tmds);
627 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
628 						       struct radeon_encoder_ext_tmds *tmds);
629 extern struct radeon_encoder_primary_dac *
630 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
631 extern struct radeon_encoder_tv_dac *
632 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
633 extern struct radeon_encoder_lvds *
634 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
635 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
636 extern struct radeon_encoder_tv_dac *
637 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
638 extern struct radeon_encoder_primary_dac *
639 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
640 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
641 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
642 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
643 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
644 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
645 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
646 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
647 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
648 extern void
649 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
650 extern void
651 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
652 extern void
653 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
654 extern void
655 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
656 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
657 				     u16 blue, int regno);
658 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
659 				     u16 *blue, int regno);
660 int radeon_framebuffer_init(struct drm_device *dev,
661 			     struct radeon_framebuffer *rfb,
662 			     struct drm_mode_fb_cmd2 *mode_cmd,
663 			     struct drm_gem_object *obj);
664 
665 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
666 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
667 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
668 void radeon_atombios_init_crtc(struct drm_device *dev,
669 			       struct radeon_crtc *radeon_crtc);
670 void radeon_legacy_init_crtc(struct drm_device *dev,
671 			     struct radeon_crtc *radeon_crtc);
672 
673 void radeon_get_clock_info(struct drm_device *dev);
674 
675 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
676 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
677 
678 void radeon_enc_destroy(struct drm_encoder *encoder);
679 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
680 void radeon_combios_asic_init(struct drm_device *dev);
681 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
682 					const struct drm_display_mode *mode,
683 					struct drm_display_mode *adjusted_mode);
684 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
685 			     struct drm_display_mode *adjusted_mode);
686 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
687 
688 /* legacy tv */
689 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
690 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
691 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
692 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
693 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
694 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
695 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
696 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
697 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
698 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
699 			       struct drm_display_mode *mode,
700 			       struct drm_display_mode *adjusted_mode);
701 
702 /* fbdev layer */
703 int radeon_fbdev_init(struct radeon_device *rdev);
704 void radeon_fbdev_fini(struct radeon_device *rdev);
705 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
706 int radeon_fbdev_total_size(struct radeon_device *rdev);
707 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
708 
709 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
710 
711 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
712 
713 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
714 #endif
715