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 };
214 
215 enum radeon_dvo_chip {
216 	DVO_SIL164,
217 	DVO_SIL1178,
218 };
219 
220 struct radeon_fbdev;
221 
222 struct radeon_mode_info {
223 	struct atom_context *atom_context;
224 	struct card_info *atom_card_info;
225 	enum radeon_connector_table connector_table;
226 	bool mode_config_initialized;
227 	struct radeon_crtc *crtcs[6];
228 	/* DVI-I properties */
229 	struct drm_property *coherent_mode_property;
230 	/* DAC enable load detect */
231 	struct drm_property *load_detect_property;
232 	/* TV standard */
233 	struct drm_property *tv_std_property;
234 	/* legacy TMDS PLL detect */
235 	struct drm_property *tmds_pll_property;
236 	/* underscan */
237 	struct drm_property *underscan_property;
238 	struct drm_property *underscan_hborder_property;
239 	struct drm_property *underscan_vborder_property;
240 	/* hardcoded DFP edid from BIOS */
241 	struct edid *bios_hardcoded_edid;
242 	int bios_hardcoded_edid_size;
243 
244 	/* pointer to fbdev info structure */
245 	struct radeon_fbdev *rfbdev;
246 };
247 
248 #define MAX_H_CODE_TIMING_LEN 32
249 #define MAX_V_CODE_TIMING_LEN 32
250 
251 /* need to store these as reading
252    back code tables is excessive */
253 struct radeon_tv_regs {
254 	uint32_t tv_uv_adr;
255 	uint32_t timing_cntl;
256 	uint32_t hrestart;
257 	uint32_t vrestart;
258 	uint32_t frestart;
259 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
260 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
261 };
262 
263 struct radeon_crtc {
264 	struct drm_crtc base;
265 	int crtc_id;
266 	u16 lut_r[256], lut_g[256], lut_b[256];
267 	bool enabled;
268 	bool can_tile;
269 	uint32_t crtc_offset;
270 	struct drm_gem_object *cursor_bo;
271 	uint64_t cursor_addr;
272 	int cursor_width;
273 	int cursor_height;
274 	uint32_t legacy_display_base_addr;
275 	uint32_t legacy_cursor_offset;
276 	enum radeon_rmx_type rmx_type;
277 	u8 h_border;
278 	u8 v_border;
279 	fixed20_12 vsc;
280 	fixed20_12 hsc;
281 	struct drm_display_mode native_mode;
282 	int pll_id;
283 	/* page flipping */
284 	struct radeon_unpin_work *unpin_work;
285 	int deferred_flip_completion;
286 };
287 
288 struct radeon_encoder_primary_dac {
289 	/* legacy primary dac */
290 	uint32_t ps2_pdac_adj;
291 };
292 
293 struct radeon_encoder_lvds {
294 	/* legacy lvds */
295 	uint16_t panel_vcc_delay;
296 	uint8_t  panel_pwr_delay;
297 	uint8_t  panel_digon_delay;
298 	uint8_t  panel_blon_delay;
299 	uint16_t panel_ref_divider;
300 	uint8_t  panel_post_divider;
301 	uint16_t panel_fb_divider;
302 	bool     use_bios_dividers;
303 	uint32_t lvds_gen_cntl;
304 	/* panel mode */
305 	struct drm_display_mode native_mode;
306 	struct backlight_device *bl_dev;
307 	int      dpms_mode;
308 	uint8_t  backlight_level;
309 };
310 
311 struct radeon_encoder_tv_dac {
312 	/* legacy tv dac */
313 	uint32_t ps2_tvdac_adj;
314 	uint32_t ntsc_tvdac_adj;
315 	uint32_t pal_tvdac_adj;
316 
317 	int               h_pos;
318 	int               v_pos;
319 	int               h_size;
320 	int               supported_tv_stds;
321 	bool              tv_on;
322 	enum radeon_tv_std tv_std;
323 	struct radeon_tv_regs tv;
324 };
325 
326 struct radeon_encoder_int_tmds {
327 	/* legacy int tmds */
328 	struct radeon_tmds_pll tmds_pll[4];
329 };
330 
331 struct radeon_encoder_ext_tmds {
332 	/* tmds over dvo */
333 	struct radeon_i2c_chan *i2c_bus;
334 	uint8_t slave_addr;
335 	enum radeon_dvo_chip dvo_chip;
336 };
337 
338 /* spread spectrum */
339 struct radeon_atom_ss {
340 	uint16_t percentage;
341 	uint8_t type;
342 	uint16_t step;
343 	uint8_t delay;
344 	uint8_t range;
345 	uint8_t refdiv;
346 	/* asic_ss */
347 	uint16_t rate;
348 	uint16_t amount;
349 };
350 
351 struct radeon_encoder_atom_dig {
352 	bool linkb;
353 	/* atom dig */
354 	bool coherent_mode;
355 	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
356 	/* atom lvds/edp */
357 	uint32_t lcd_misc;
358 	uint16_t panel_pwr_delay;
359 	uint32_t lcd_ss_id;
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_atom_dac {
368 	enum radeon_tv_std tv_std;
369 };
370 
371 struct radeon_encoder {
372 	struct drm_encoder base;
373 	uint32_t encoder_enum;
374 	uint32_t encoder_id;
375 	uint32_t devices;
376 	uint32_t active_device;
377 	uint32_t flags;
378 	uint32_t pixel_clock;
379 	enum radeon_rmx_type rmx_type;
380 	enum radeon_underscan_type underscan_type;
381 	uint32_t underscan_hborder;
382 	uint32_t underscan_vborder;
383 	struct drm_display_mode native_mode;
384 	void *enc_priv;
385 	int audio_polling_active;
386 	int hdmi_offset;
387 	int hdmi_config_offset;
388 	int hdmi_audio_workaround;
389 	int hdmi_buffer_status;
390 	bool is_ext_encoder;
391 	u16 caps;
392 };
393 
394 struct radeon_connector_atom_dig {
395 	uint32_t igp_lane_info;
396 	/* displayport */
397 	struct radeon_i2c_chan *dp_i2c_bus;
398 	u8 dpcd[8];
399 	u8 dp_sink_type;
400 	int dp_clock;
401 	int dp_lane_count;
402 	bool edp_on;
403 };
404 
405 struct radeon_gpio_rec {
406 	bool valid;
407 	u8 id;
408 	u32 reg;
409 	u32 mask;
410 };
411 
412 struct radeon_hpd {
413 	enum radeon_hpd_id hpd;
414 	u8 plugged_state;
415 	struct radeon_gpio_rec gpio;
416 };
417 
418 struct radeon_router {
419 	u32 router_id;
420 	struct radeon_i2c_bus_rec i2c_info;
421 	u8 i2c_addr;
422 	/* i2c mux */
423 	bool ddc_valid;
424 	u8 ddc_mux_type;
425 	u8 ddc_mux_control_pin;
426 	u8 ddc_mux_state;
427 	/* clock/data mux */
428 	bool cd_valid;
429 	u8 cd_mux_type;
430 	u8 cd_mux_control_pin;
431 	u8 cd_mux_state;
432 };
433 
434 struct radeon_connector {
435 	struct drm_connector base;
436 	uint32_t connector_id;
437 	uint32_t devices;
438 	struct radeon_i2c_chan *ddc_bus;
439 	/* some systems have an hdmi and vga port with a shared ddc line */
440 	bool shared_ddc;
441 	bool use_digital;
442 	/* we need to mind the EDID between detect
443 	   and get modes due to analog/digital/tvencoder */
444 	struct edid *edid;
445 	void *con_priv;
446 	bool dac_load_detect;
447 	uint16_t connector_object_id;
448 	struct radeon_hpd hpd;
449 	struct radeon_router router;
450 	struct radeon_i2c_chan *router_bus;
451 };
452 
453 struct radeon_framebuffer {
454 	struct drm_framebuffer base;
455 	struct drm_gem_object *obj;
456 };
457 
458 
459 extern enum radeon_tv_std
460 radeon_combios_get_tv_info(struct radeon_device *rdev);
461 extern enum radeon_tv_std
462 radeon_atombios_get_tv_info(struct radeon_device *rdev);
463 
464 extern struct drm_connector *
465 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
466 
467 extern bool radeon_encoder_is_dp_bridge(struct drm_encoder *encoder);
468 extern bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
469 extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
470 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
471 
472 extern void radeon_connector_hotplug(struct drm_connector *connector);
473 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
474 				       struct drm_display_mode *mode);
475 extern void radeon_dp_set_link_config(struct drm_connector *connector,
476 				      struct drm_display_mode *mode);
477 extern void radeon_dp_link_train(struct drm_encoder *encoder,
478 				 struct drm_connector *connector);
479 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
480 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
481 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
482 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
483 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
484 					   int action, uint8_t lane_num,
485 					   uint8_t lane_set);
486 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
487 				u8 write_byte, u8 *read_byte);
488 
489 extern void radeon_i2c_init(struct radeon_device *rdev);
490 extern void radeon_i2c_fini(struct radeon_device *rdev);
491 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
492 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
493 extern void radeon_i2c_add(struct radeon_device *rdev,
494 			   struct radeon_i2c_bus_rec *rec,
495 			   const char *name);
496 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
497 						 struct radeon_i2c_bus_rec *i2c_bus);
498 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
499 						    struct radeon_i2c_bus_rec *rec,
500 						    const char *name);
501 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
502 						 struct radeon_i2c_bus_rec *rec,
503 						 const char *name);
504 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
505 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
506 				u8 slave_addr,
507 				u8 addr,
508 				u8 *val);
509 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
510 				u8 slave_addr,
511 				u8 addr,
512 				u8 val);
513 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
514 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
515 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
516 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
517 
518 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
519 
520 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
521 					     struct radeon_atom_ss *ss,
522 					     int id);
523 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
524 					     struct radeon_atom_ss *ss,
525 					     int id, u32 clock);
526 
527 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
528 				      uint64_t freq,
529 				      uint32_t *dot_clock_p,
530 				      uint32_t *fb_div_p,
531 				      uint32_t *frac_fb_div_p,
532 				      uint32_t *ref_div_p,
533 				      uint32_t *post_div_p);
534 
535 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
536 				     u32 freq,
537 				     u32 *dot_clock_p,
538 				     u32 *fb_div_p,
539 				     u32 *frac_fb_div_p,
540 				     u32 *ref_div_p,
541 				     u32 *post_div_p);
542 
543 extern void radeon_setup_encoder_clones(struct drm_device *dev);
544 
545 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
546 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
547 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
548 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
549 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
550 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
551 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
552 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
553 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
554 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
555 
556 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
557 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
558 				   struct drm_framebuffer *old_fb);
559 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
560 					 struct drm_framebuffer *fb,
561 					 int x, int y,
562 					 enum mode_set_atomic state);
563 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
564 				   struct drm_display_mode *mode,
565 				   struct drm_display_mode *adjusted_mode,
566 				   int x, int y,
567 				   struct drm_framebuffer *old_fb);
568 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
569 
570 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
571 				 struct drm_framebuffer *old_fb);
572 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
573 				       struct drm_framebuffer *fb,
574 				       int x, int y,
575 				       enum mode_set_atomic state);
576 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
577 				   struct drm_framebuffer *fb,
578 				   int x, int y, int atomic);
579 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
580 				  struct drm_file *file_priv,
581 				  uint32_t handle,
582 				  uint32_t width,
583 				  uint32_t height);
584 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
585 				   int x, int y);
586 
587 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
588 				      int *vpos, int *hpos);
589 
590 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
591 extern struct edid *
592 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
593 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
594 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
595 extern struct radeon_encoder_atom_dig *
596 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
597 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
598 					  struct radeon_encoder_int_tmds *tmds);
599 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
600 						     struct radeon_encoder_int_tmds *tmds);
601 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
602 						   struct radeon_encoder_int_tmds *tmds);
603 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
604 							 struct radeon_encoder_ext_tmds *tmds);
605 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
606 						       struct radeon_encoder_ext_tmds *tmds);
607 extern struct radeon_encoder_primary_dac *
608 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
609 extern struct radeon_encoder_tv_dac *
610 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
611 extern struct radeon_encoder_lvds *
612 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
613 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
614 extern struct radeon_encoder_tv_dac *
615 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
616 extern struct radeon_encoder_primary_dac *
617 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
618 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
619 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
620 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
621 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
622 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
623 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
624 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
625 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
626 extern void
627 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
628 extern void
629 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
630 extern void
631 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
632 extern void
633 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
634 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
635 				     u16 blue, int regno);
636 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
637 				     u16 *blue, int regno);
638 void radeon_framebuffer_init(struct drm_device *dev,
639 			     struct radeon_framebuffer *rfb,
640 			     struct drm_mode_fb_cmd *mode_cmd,
641 			     struct drm_gem_object *obj);
642 
643 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
644 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
645 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
646 void radeon_atombios_init_crtc(struct drm_device *dev,
647 			       struct radeon_crtc *radeon_crtc);
648 void radeon_legacy_init_crtc(struct drm_device *dev,
649 			     struct radeon_crtc *radeon_crtc);
650 
651 void radeon_get_clock_info(struct drm_device *dev);
652 
653 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
654 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
655 
656 void radeon_enc_destroy(struct drm_encoder *encoder);
657 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
658 void radeon_combios_asic_init(struct drm_device *dev);
659 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
660 					struct drm_display_mode *mode,
661 					struct drm_display_mode *adjusted_mode);
662 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
663 			     struct drm_display_mode *adjusted_mode);
664 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
665 
666 /* legacy tv */
667 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
668 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
669 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
670 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
671 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
672 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
673 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
674 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
675 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
676 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
677 			       struct drm_display_mode *mode,
678 			       struct drm_display_mode *adjusted_mode);
679 
680 /* fbdev layer */
681 int radeon_fbdev_init(struct radeon_device *rdev);
682 void radeon_fbdev_fini(struct radeon_device *rdev);
683 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
684 int radeon_fbdev_total_size(struct radeon_device *rdev);
685 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
686 
687 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
688 
689 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
690 
691 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
692 #endif
693