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 <linux/i2c.h>
38 #include <linux/i2c-id.h>
39 #include <linux/i2c-algo-bit.h>
40 #include "radeon_fixed.h"
41 
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_connector_type {
50 	CONNECTOR_NONE,
51 	CONNECTOR_VGA,
52 	CONNECTOR_DVI_I,
53 	CONNECTOR_DVI_D,
54 	CONNECTOR_DVI_A,
55 	CONNECTOR_STV,
56 	CONNECTOR_CTV,
57 	CONNECTOR_LVDS,
58 	CONNECTOR_DIGITAL,
59 	CONNECTOR_SCART,
60 	CONNECTOR_HDMI_TYPE_A,
61 	CONNECTOR_HDMI_TYPE_B,
62 	CONNECTOR_0XC,
63 	CONNECTOR_0XD,
64 	CONNECTOR_DIN,
65 	CONNECTOR_DISPLAY_PORT,
66 	CONNECTOR_UNSUPPORTED
67 };
68 
69 enum radeon_dvi_type {
70 	DVI_AUTO,
71 	DVI_DIGITAL,
72 	DVI_ANALOG
73 };
74 
75 enum radeon_rmx_type {
76 	RMX_OFF,
77 	RMX_FULL,
78 	RMX_CENTER,
79 	RMX_ASPECT
80 };
81 
82 enum radeon_tv_std {
83 	TV_STD_NTSC,
84 	TV_STD_PAL,
85 	TV_STD_PAL_M,
86 	TV_STD_PAL_60,
87 	TV_STD_NTSC_J,
88 	TV_STD_SCART_PAL,
89 	TV_STD_SECAM,
90 	TV_STD_PAL_CN,
91 	TV_STD_PAL_N,
92 };
93 
94 /* radeon gpio-based i2c
95  * 1. "mask" reg and bits
96  *    grabs the gpio pins for software use
97  *    0=not held  1=held
98  * 2. "a" reg and bits
99  *    output pin value
100  *    0=low 1=high
101  * 3. "en" reg and bits
102  *    sets the pin direction
103  *    0=input 1=output
104  * 4. "y" reg and bits
105  *    input pin value
106  *    0=low 1=high
107  */
108 struct radeon_i2c_bus_rec {
109 	bool valid;
110 	/* id used by atom */
111 	uint8_t i2c_id;
112 	/* can be used with hw i2c engine */
113 	bool hw_capable;
114 	/* uses multi-media i2c engine */
115 	bool mm_i2c;
116 	/* regs and bits */
117 	uint32_t mask_clk_reg;
118 	uint32_t mask_data_reg;
119 	uint32_t a_clk_reg;
120 	uint32_t a_data_reg;
121 	uint32_t en_clk_reg;
122 	uint32_t en_data_reg;
123 	uint32_t y_clk_reg;
124 	uint32_t y_data_reg;
125 	uint32_t mask_clk_mask;
126 	uint32_t mask_data_mask;
127 	uint32_t a_clk_mask;
128 	uint32_t a_data_mask;
129 	uint32_t en_clk_mask;
130 	uint32_t en_data_mask;
131 	uint32_t y_clk_mask;
132 	uint32_t y_data_mask;
133 };
134 
135 struct radeon_tmds_pll {
136     uint32_t freq;
137     uint32_t value;
138 };
139 
140 #define RADEON_MAX_BIOS_CONNECTOR 16
141 
142 #define RADEON_PLL_USE_BIOS_DIVS        (1 << 0)
143 #define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)
144 #define RADEON_PLL_USE_REF_DIV          (1 << 2)
145 #define RADEON_PLL_LEGACY               (1 << 3)
146 #define RADEON_PLL_PREFER_LOW_REF_DIV   (1 << 4)
147 #define RADEON_PLL_PREFER_HIGH_REF_DIV  (1 << 5)
148 #define RADEON_PLL_PREFER_LOW_FB_DIV    (1 << 6)
149 #define RADEON_PLL_PREFER_HIGH_FB_DIV   (1 << 7)
150 #define RADEON_PLL_PREFER_LOW_POST_DIV  (1 << 8)
151 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
152 #define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)
153 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
154 
155 struct radeon_pll {
156 	uint16_t reference_freq;
157 	uint16_t reference_div;
158 	uint32_t pll_in_min;
159 	uint32_t pll_in_max;
160 	uint32_t pll_out_min;
161 	uint32_t pll_out_max;
162 	uint16_t xclk;
163 
164 	uint32_t min_ref_div;
165 	uint32_t max_ref_div;
166 	uint32_t min_post_div;
167 	uint32_t max_post_div;
168 	uint32_t min_feedback_div;
169 	uint32_t max_feedback_div;
170 	uint32_t min_frac_feedback_div;
171 	uint32_t max_frac_feedback_div;
172 	uint32_t best_vco;
173 };
174 
175 struct radeon_i2c_chan {
176 	struct i2c_adapter adapter;
177 	struct drm_device *dev;
178 	union {
179 		struct i2c_algo_dp_aux_data dp;
180 		struct i2c_algo_bit_data bit;
181 	} algo;
182 	struct radeon_i2c_bus_rec rec;
183 };
184 
185 /* mostly for macs, but really any system without connector tables */
186 enum radeon_connector_table {
187 	CT_NONE,
188 	CT_GENERIC,
189 	CT_IBOOK,
190 	CT_POWERBOOK_EXTERNAL,
191 	CT_POWERBOOK_INTERNAL,
192 	CT_POWERBOOK_VGA,
193 	CT_MINI_EXTERNAL,
194 	CT_MINI_INTERNAL,
195 	CT_IMAC_G5_ISIGHT,
196 	CT_EMAC,
197 };
198 
199 enum radeon_dvo_chip {
200 	DVO_SIL164,
201 	DVO_SIL1178,
202 };
203 
204 struct radeon_mode_info {
205 	struct atom_context *atom_context;
206 	struct card_info *atom_card_info;
207 	enum radeon_connector_table connector_table;
208 	bool mode_config_initialized;
209 	struct radeon_crtc *crtcs[2];
210 	/* DVI-I properties */
211 	struct drm_property *coherent_mode_property;
212 	/* DAC enable load detect */
213 	struct drm_property *load_detect_property;
214 	/* TV standard load detect */
215 	struct drm_property *tv_std_property;
216 	/* legacy TMDS PLL detect */
217 	struct drm_property *tmds_pll_property;
218 
219 };
220 
221 #define MAX_H_CODE_TIMING_LEN 32
222 #define MAX_V_CODE_TIMING_LEN 32
223 
224 /* need to store these as reading
225    back code tables is excessive */
226 struct radeon_tv_regs {
227 	uint32_t tv_uv_adr;
228 	uint32_t timing_cntl;
229 	uint32_t hrestart;
230 	uint32_t vrestart;
231 	uint32_t frestart;
232 	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
233 	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
234 };
235 
236 struct radeon_crtc {
237 	struct drm_crtc base;
238 	int crtc_id;
239 	u16 lut_r[256], lut_g[256], lut_b[256];
240 	bool enabled;
241 	bool can_tile;
242 	uint32_t crtc_offset;
243 	struct drm_gem_object *cursor_bo;
244 	uint64_t cursor_addr;
245 	int cursor_width;
246 	int cursor_height;
247 	uint32_t legacy_display_base_addr;
248 	uint32_t legacy_cursor_offset;
249 	enum radeon_rmx_type rmx_type;
250 	fixed20_12 vsc;
251 	fixed20_12 hsc;
252 	struct drm_display_mode native_mode;
253 };
254 
255 struct radeon_encoder_primary_dac {
256 	/* legacy primary dac */
257 	uint32_t ps2_pdac_adj;
258 };
259 
260 struct radeon_encoder_lvds {
261 	/* legacy lvds */
262 	uint16_t panel_vcc_delay;
263 	uint8_t  panel_pwr_delay;
264 	uint8_t  panel_digon_delay;
265 	uint8_t  panel_blon_delay;
266 	uint16_t panel_ref_divider;
267 	uint8_t  panel_post_divider;
268 	uint16_t panel_fb_divider;
269 	bool     use_bios_dividers;
270 	uint32_t lvds_gen_cntl;
271 	/* panel mode */
272 	struct drm_display_mode native_mode;
273 };
274 
275 struct radeon_encoder_tv_dac {
276 	/* legacy tv dac */
277 	uint32_t ps2_tvdac_adj;
278 	uint32_t ntsc_tvdac_adj;
279 	uint32_t pal_tvdac_adj;
280 
281 	int               h_pos;
282 	int               v_pos;
283 	int               h_size;
284 	int               supported_tv_stds;
285 	bool              tv_on;
286 	enum radeon_tv_std tv_std;
287 	struct radeon_tv_regs tv;
288 };
289 
290 struct radeon_encoder_int_tmds {
291 	/* legacy int tmds */
292 	struct radeon_tmds_pll tmds_pll[4];
293 };
294 
295 struct radeon_encoder_ext_tmds {
296 	/* tmds over dvo */
297 	struct radeon_i2c_chan *i2c_bus;
298 	uint8_t slave_addr;
299 	enum radeon_dvo_chip dvo_chip;
300 };
301 
302 /* spread spectrum */
303 struct radeon_atom_ss {
304 	uint16_t percentage;
305 	uint8_t type;
306 	uint8_t step;
307 	uint8_t delay;
308 	uint8_t range;
309 	uint8_t refdiv;
310 };
311 
312 struct radeon_encoder_atom_dig {
313 	/* atom dig */
314 	bool coherent_mode;
315 	int dig_block;
316 	/* atom lvds */
317 	uint32_t lvds_misc;
318 	uint16_t panel_pwr_delay;
319 	struct radeon_atom_ss *ss;
320 	/* panel mode */
321 	struct drm_display_mode native_mode;
322 };
323 
324 struct radeon_encoder_atom_dac {
325 	enum radeon_tv_std tv_std;
326 };
327 
328 struct radeon_encoder {
329 	struct drm_encoder base;
330 	uint32_t encoder_id;
331 	uint32_t devices;
332 	uint32_t active_device;
333 	uint32_t flags;
334 	uint32_t pixel_clock;
335 	enum radeon_rmx_type rmx_type;
336 	struct drm_display_mode native_mode;
337 	void *enc_priv;
338 	int hdmi_offset;
339 	int hdmi_audio_workaround;
340 	int hdmi_buffer_status;
341 };
342 
343 struct radeon_connector_atom_dig {
344 	uint32_t igp_lane_info;
345 	bool linkb;
346 	/* displayport */
347 	struct radeon_i2c_chan *dp_i2c_bus;
348 	u8 dpcd[8];
349 	u8 dp_sink_type;
350 	int dp_clock;
351 	int dp_lane_count;
352 };
353 
354 struct radeon_gpio_rec {
355 	bool valid;
356 	u8 id;
357 	u32 reg;
358 	u32 mask;
359 };
360 
361 enum radeon_hpd_id {
362 	RADEON_HPD_NONE = 0,
363 	RADEON_HPD_1,
364 	RADEON_HPD_2,
365 	RADEON_HPD_3,
366 	RADEON_HPD_4,
367 	RADEON_HPD_5,
368 	RADEON_HPD_6,
369 };
370 
371 struct radeon_hpd {
372 	enum radeon_hpd_id hpd;
373 	u8 plugged_state;
374 	struct radeon_gpio_rec gpio;
375 };
376 
377 struct radeon_connector {
378 	struct drm_connector base;
379 	uint32_t connector_id;
380 	uint32_t devices;
381 	struct radeon_i2c_chan *ddc_bus;
382 	/* some systems have a an hdmi and vga port with a shared ddc line */
383 	bool shared_ddc;
384 	bool use_digital;
385 	/* we need to mind the EDID between detect
386 	   and get modes due to analog/digital/tvencoder */
387 	struct edid *edid;
388 	void *con_priv;
389 	bool dac_load_detect;
390 	uint16_t connector_object_id;
391 	struct radeon_hpd hpd;
392 };
393 
394 struct radeon_framebuffer {
395 	struct drm_framebuffer base;
396 	struct drm_gem_object *obj;
397 };
398 
399 extern enum radeon_tv_std
400 radeon_combios_get_tv_info(struct radeon_device *rdev);
401 extern enum radeon_tv_std
402 radeon_atombios_get_tv_info(struct radeon_device *rdev);
403 
404 extern void radeon_connector_hotplug(struct drm_connector *connector);
405 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
406 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
407 				       struct drm_display_mode *mode);
408 extern void radeon_dp_set_link_config(struct drm_connector *connector,
409 				      struct drm_display_mode *mode);
410 extern void dp_link_train(struct drm_encoder *encoder,
411 			  struct drm_connector *connector);
412 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
413 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
414 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
415 					   int action, uint8_t lane_num,
416 					   uint8_t lane_set);
417 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
418 				uint8_t write_byte, uint8_t *read_byte);
419 
420 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
421 						    struct radeon_i2c_bus_rec *rec,
422 						    const char *name);
423 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
424 						 struct radeon_i2c_bus_rec *rec,
425 						 const char *name);
426 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
427 extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
428 				   u8 slave_addr,
429 				   u8 addr,
430 				   u8 *val);
431 extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
432 				   u8 slave_addr,
433 				   u8 addr,
434 				   u8 val);
435 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
436 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
437 
438 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
439 
440 extern void radeon_compute_pll(struct radeon_pll *pll,
441 			       uint64_t freq,
442 			       uint32_t *dot_clock_p,
443 			       uint32_t *fb_div_p,
444 			       uint32_t *frac_fb_div_p,
445 			       uint32_t *ref_div_p,
446 			       uint32_t *post_div_p,
447 			       int flags);
448 
449 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
450 				     uint64_t freq,
451 				     uint32_t *dot_clock_p,
452 				     uint32_t *fb_div_p,
453 				     uint32_t *frac_fb_div_p,
454 				     uint32_t *ref_div_p,
455 				     uint32_t *post_div_p,
456 				     int flags);
457 
458 extern void radeon_setup_encoder_clones(struct drm_device *dev);
459 
460 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
461 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
462 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
463 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
464 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
465 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
466 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
467 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
468 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
469 
470 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
471 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
472 				   struct drm_framebuffer *old_fb);
473 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
474 				   struct drm_display_mode *mode,
475 				   struct drm_display_mode *adjusted_mode,
476 				   int x, int y,
477 				   struct drm_framebuffer *old_fb);
478 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
479 
480 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
481 				 struct drm_framebuffer *old_fb);
482 extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
483 
484 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
485 				  struct drm_file *file_priv,
486 				  uint32_t handle,
487 				  uint32_t width,
488 				  uint32_t height);
489 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
490 				   int x, int y);
491 
492 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
493 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
494 extern struct radeon_encoder_atom_dig *
495 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
496 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
497 					  struct radeon_encoder_int_tmds *tmds);
498 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
499 						     struct radeon_encoder_int_tmds *tmds);
500 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
501 						   struct radeon_encoder_int_tmds *tmds);
502 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
503 							 struct radeon_encoder_ext_tmds *tmds);
504 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
505 						       struct radeon_encoder_ext_tmds *tmds);
506 extern struct radeon_encoder_primary_dac *
507 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
508 extern struct radeon_encoder_tv_dac *
509 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
510 extern struct radeon_encoder_lvds *
511 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
512 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
513 extern struct radeon_encoder_tv_dac *
514 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
515 extern struct radeon_encoder_primary_dac *
516 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
517 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
518 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
519 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
520 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
521 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
522 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
523 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
524 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
525 extern void
526 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
527 extern void
528 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
529 extern void
530 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
531 extern void
532 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
533 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
534 				     u16 blue, int regno);
535 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
536 				     u16 *blue, int regno);
537 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
538 						  struct drm_mode_fb_cmd *mode_cmd,
539 						  struct drm_gem_object *obj);
540 
541 int radeonfb_probe(struct drm_device *dev);
542 
543 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
544 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
545 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
546 void radeon_atombios_init_crtc(struct drm_device *dev,
547 			       struct radeon_crtc *radeon_crtc);
548 void radeon_legacy_init_crtc(struct drm_device *dev,
549 			     struct radeon_crtc *radeon_crtc);
550 extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
551 
552 void radeon_get_clock_info(struct drm_device *dev);
553 
554 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
555 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
556 
557 void radeon_enc_destroy(struct drm_encoder *encoder);
558 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
559 void radeon_combios_asic_init(struct drm_device *dev);
560 extern int radeon_static_clocks_init(struct drm_device *dev);
561 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
562 					struct drm_display_mode *mode,
563 					struct drm_display_mode *adjusted_mode);
564 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
565 
566 /* legacy tv */
567 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
568 				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
569 				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
570 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
571 				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
572 				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
573 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
574 				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
575 				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
576 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
577 			       struct drm_display_mode *mode,
578 			       struct drm_display_mode *adjusted_mode);
579 #endif
580