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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>
746c1aa4 36#include <drm_dp_helper.h>
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37#include <linux/i2c.h>
38#include <linux/i2c-id.h>
39#include <linux/i2c-algo-bit.h>
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40#include "radeon_fixed.h"
41
42struct radeon_device;
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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
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49enum radeon_rmx_type {
50 RMX_OFF,
51 RMX_FULL,
52 RMX_CENTER,
53 RMX_ASPECT
54};
55
56enum 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,
d79766fa 65 TV_STD_PAL_N,
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66};
67
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68/* radeon gpio-based i2c
69 * 1. "mask" reg and bits
70 * grabs the gpio pins for software use
71 * 0=not held 1=held
72 * 2. "a" reg and bits
73 * output pin value
74 * 0=low 1=high
75 * 3. "en" reg and bits
76 * sets the pin direction
77 * 0=input 1=output
78 * 4. "y" reg and bits
79 * input pin value
80 * 0=low 1=high
81 */
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82struct radeon_i2c_bus_rec {
83 bool valid;
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84 /* id used by atom */
85 uint8_t i2c_id;
86 /* can be used with hw i2c engine */
87 bool hw_capable;
88 /* uses multi-media i2c engine */
89 bool mm_i2c;
90 /* regs and bits */
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91 uint32_t mask_clk_reg;
92 uint32_t mask_data_reg;
93 uint32_t a_clk_reg;
94 uint32_t a_data_reg;
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95 uint32_t en_clk_reg;
96 uint32_t en_data_reg;
97 uint32_t y_clk_reg;
98 uint32_t y_data_reg;
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99 uint32_t mask_clk_mask;
100 uint32_t mask_data_mask;
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101 uint32_t a_clk_mask;
102 uint32_t a_data_mask;
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103 uint32_t en_clk_mask;
104 uint32_t en_data_mask;
105 uint32_t y_clk_mask;
106 uint32_t y_data_mask;
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107};
108
109struct radeon_tmds_pll {
110 uint32_t freq;
111 uint32_t value;
112};
113
114#define RADEON_MAX_BIOS_CONNECTOR 16
115
116#define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
117#define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
118#define RADEON_PLL_USE_REF_DIV (1 << 2)
119#define RADEON_PLL_LEGACY (1 << 3)
120#define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
121#define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
122#define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
123#define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
124#define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
125#define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
126#define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
d0e275a9 127#define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
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128
129struct radeon_pll {
130 uint16_t reference_freq;
131 uint16_t reference_div;
132 uint32_t pll_in_min;
133 uint32_t pll_in_max;
134 uint32_t pll_out_min;
135 uint32_t pll_out_max;
136 uint16_t xclk;
137
138 uint32_t min_ref_div;
139 uint32_t max_ref_div;
140 uint32_t min_post_div;
141 uint32_t max_post_div;
142 uint32_t min_feedback_div;
143 uint32_t max_feedback_div;
144 uint32_t min_frac_feedback_div;
145 uint32_t max_frac_feedback_div;
146 uint32_t best_vco;
147};
148
149struct radeon_i2c_chan {
771fe6b9 150 struct i2c_adapter adapter;
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151 struct drm_device *dev;
152 union {
153 struct i2c_algo_dp_aux_data dp;
154 struct i2c_algo_bit_data bit;
155 } algo;
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156 struct radeon_i2c_bus_rec rec;
157};
158
159/* mostly for macs, but really any system without connector tables */
160enum radeon_connector_table {
161 CT_NONE,
162 CT_GENERIC,
163 CT_IBOOK,
164 CT_POWERBOOK_EXTERNAL,
165 CT_POWERBOOK_INTERNAL,
166 CT_POWERBOOK_VGA,
167 CT_MINI_EXTERNAL,
168 CT_MINI_INTERNAL,
169 CT_IMAC_G5_ISIGHT,
170 CT_EMAC,
171};
172
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173enum radeon_dvo_chip {
174 DVO_SIL164,
175 DVO_SIL1178,
176};
177
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178struct radeon_mode_info {
179 struct atom_context *atom_context;
61c4b24b 180 struct card_info *atom_card_info;
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181 enum radeon_connector_table connector_table;
182 bool mode_config_initialized;
c93bb85b 183 struct radeon_crtc *crtcs[2];
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184 /* DVI-I properties */
185 struct drm_property *coherent_mode_property;
186 /* DAC enable load detect */
187 struct drm_property *load_detect_property;
188 /* TV standard load detect */
189 struct drm_property *tv_std_property;
190 /* legacy TMDS PLL detect */
191 struct drm_property *tmds_pll_property;
192
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193};
194
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195#define MAX_H_CODE_TIMING_LEN 32
196#define MAX_V_CODE_TIMING_LEN 32
197
198/* need to store these as reading
199 back code tables is excessive */
200struct radeon_tv_regs {
201 uint32_t tv_uv_adr;
202 uint32_t timing_cntl;
203 uint32_t hrestart;
204 uint32_t vrestart;
205 uint32_t frestart;
206 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
207 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
208};
209
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210struct radeon_crtc {
211 struct drm_crtc base;
212 int crtc_id;
213 u16 lut_r[256], lut_g[256], lut_b[256];
214 bool enabled;
215 bool can_tile;
216 uint32_t crtc_offset;
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217 struct drm_gem_object *cursor_bo;
218 uint64_t cursor_addr;
219 int cursor_width;
220 int cursor_height;
4162338a 221 uint32_t legacy_display_base_addr;
c836e862 222 uint32_t legacy_cursor_offset;
c93bb85b 223 enum radeon_rmx_type rmx_type;
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224 fixed20_12 vsc;
225 fixed20_12 hsc;
de2103e4 226 struct drm_display_mode native_mode;
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227};
228
229struct radeon_encoder_primary_dac {
230 /* legacy primary dac */
231 uint32_t ps2_pdac_adj;
232};
233
234struct radeon_encoder_lvds {
235 /* legacy lvds */
236 uint16_t panel_vcc_delay;
237 uint8_t panel_pwr_delay;
238 uint8_t panel_digon_delay;
239 uint8_t panel_blon_delay;
240 uint16_t panel_ref_divider;
241 uint8_t panel_post_divider;
242 uint16_t panel_fb_divider;
243 bool use_bios_dividers;
244 uint32_t lvds_gen_cntl;
245 /* panel mode */
de2103e4 246 struct drm_display_mode native_mode;
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247};
248
249struct radeon_encoder_tv_dac {
250 /* legacy tv dac */
251 uint32_t ps2_tvdac_adj;
252 uint32_t ntsc_tvdac_adj;
253 uint32_t pal_tvdac_adj;
254
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255 int h_pos;
256 int v_pos;
257 int h_size;
258 int supported_tv_stds;
259 bool tv_on;
771fe6b9 260 enum radeon_tv_std tv_std;
4ce001ab 261 struct radeon_tv_regs tv;
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262};
263
264struct radeon_encoder_int_tmds {
265 /* legacy int tmds */
266 struct radeon_tmds_pll tmds_pll[4];
267};
268
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269struct radeon_encoder_ext_tmds {
270 /* tmds over dvo */
271 struct radeon_i2c_chan *i2c_bus;
272 uint8_t slave_addr;
273 enum radeon_dvo_chip dvo_chip;
274};
275
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276/* spread spectrum */
277struct radeon_atom_ss {
278 uint16_t percentage;
279 uint8_t type;
280 uint8_t step;
281 uint8_t delay;
282 uint8_t range;
283 uint8_t refdiv;
284};
285
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286struct radeon_encoder_atom_dig {
287 /* atom dig */
288 bool coherent_mode;
289 int dig_block;
290 /* atom lvds */
291 uint32_t lvds_misc;
292 uint16_t panel_pwr_delay;
ebbe1cb9 293 struct radeon_atom_ss *ss;
771fe6b9 294 /* panel mode */
de2103e4 295 struct drm_display_mode native_mode;
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296};
297
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298struct radeon_encoder_atom_dac {
299 enum radeon_tv_std tv_std;
300};
301
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302struct radeon_encoder {
303 struct drm_encoder base;
304 uint32_t encoder_id;
305 uint32_t devices;
4ce001ab 306 uint32_t active_device;
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307 uint32_t flags;
308 uint32_t pixel_clock;
309 enum radeon_rmx_type rmx_type;
de2103e4 310 struct drm_display_mode native_mode;
771fe6b9 311 void *enc_priv;
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312 int hdmi_offset;
313 int hdmi_audio_workaround;
314 int hdmi_buffer_status;
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315};
316
317struct radeon_connector_atom_dig {
318 uint32_t igp_lane_info;
319 bool linkb;
4143e919 320 /* displayport */
746c1aa4 321 struct radeon_i2c_chan *dp_i2c_bus;
1a66c95a 322 u8 dpcd[8];
4143e919 323 u8 dp_sink_type;
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324 int dp_clock;
325 int dp_lane_count;
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326};
327
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328struct radeon_gpio_rec {
329 bool valid;
330 u8 id;
331 u32 reg;
332 u32 mask;
333};
334
335enum radeon_hpd_id {
336 RADEON_HPD_NONE = 0,
337 RADEON_HPD_1,
338 RADEON_HPD_2,
339 RADEON_HPD_3,
340 RADEON_HPD_4,
341 RADEON_HPD_5,
342 RADEON_HPD_6,
343};
344
345struct radeon_hpd {
346 enum radeon_hpd_id hpd;
347 u8 plugged_state;
348 struct radeon_gpio_rec gpio;
349};
350
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351struct radeon_connector {
352 struct drm_connector base;
353 uint32_t connector_id;
354 uint32_t devices;
355 struct radeon_i2c_chan *ddc_bus;
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356 /* some systems have a an hdmi and vga port with a shared ddc line */
357 bool shared_ddc;
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358 bool use_digital;
359 /* we need to mind the EDID between detect
360 and get modes due to analog/digital/tvencoder */
361 struct edid *edid;
771fe6b9 362 void *con_priv;
445282db 363 bool dac_load_detect;
b75fad06 364 uint16_t connector_object_id;
eed45b30 365 struct radeon_hpd hpd;
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366};
367
368struct radeon_framebuffer {
369 struct drm_framebuffer base;
370 struct drm_gem_object *obj;
371};
372
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373extern enum radeon_tv_std
374radeon_combios_get_tv_info(struct radeon_device *rdev);
375extern enum radeon_tv_std
376radeon_atombios_get_tv_info(struct radeon_device *rdev);
377
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378extern void radeon_connector_hotplug(struct drm_connector *connector);
379extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
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380extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
381 struct drm_display_mode *mode);
382extern void radeon_dp_set_link_config(struct drm_connector *connector,
383 struct drm_display_mode *mode);
384extern void dp_link_train(struct drm_encoder *encoder,
385 struct drm_connector *connector);
4143e919 386extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
9fa05c98 387extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
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388extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
389 int action, uint8_t lane_num,
390 uint8_t lane_set);
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391extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
392 uint8_t write_byte, uint8_t *read_byte);
393
394extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
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395 struct radeon_i2c_bus_rec *rec,
396 const char *name);
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397extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
398 struct radeon_i2c_bus_rec *rec,
399 const char *name);
400extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
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401extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
402 u8 slave_addr,
403 u8 addr,
404 u8 *val);
405extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
406 u8 slave_addr,
407 u8 addr,
408 u8 val);
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409extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
410extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
411
412extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
413
414extern void radeon_compute_pll(struct radeon_pll *pll,
415 uint64_t freq,
416 uint32_t *dot_clock_p,
417 uint32_t *fb_div_p,
418 uint32_t *frac_fb_div_p,
419 uint32_t *ref_div_p,
420 uint32_t *post_div_p,
421 int flags);
422
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423extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
424 uint64_t freq,
425 uint32_t *dot_clock_p,
426 uint32_t *fb_div_p,
427 uint32_t *frac_fb_div_p,
428 uint32_t *ref_div_p,
429 uint32_t *post_div_p,
430 int flags);
431
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432extern void radeon_setup_encoder_clones(struct drm_device *dev);
433
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434struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
435struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
436struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
437struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
438struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
439extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
32f48ffe 440extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
771fe6b9 441extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
4ce001ab 442extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
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443
444extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
445extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
446 struct drm_framebuffer *old_fb);
447extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
448 struct drm_display_mode *mode,
449 struct drm_display_mode *adjusted_mode,
450 int x, int y,
451 struct drm_framebuffer *old_fb);
452extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
453
454extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
455 struct drm_framebuffer *old_fb);
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456
457extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
458 struct drm_file *file_priv,
459 uint32_t handle,
460 uint32_t width,
461 uint32_t height);
462extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
463 int x, int y);
464
465extern bool radeon_atom_get_clock_info(struct drm_device *dev);
466extern bool radeon_combios_get_clock_info(struct drm_device *dev);
467extern struct radeon_encoder_atom_dig *
468radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
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469extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
470 struct radeon_encoder_int_tmds *tmds);
471extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
472 struct radeon_encoder_int_tmds *tmds);
473extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
474 struct radeon_encoder_int_tmds *tmds);
475extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
476 struct radeon_encoder_ext_tmds *tmds);
477extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
478 struct radeon_encoder_ext_tmds *tmds);
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479extern struct radeon_encoder_primary_dac *
480radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
481extern struct radeon_encoder_tv_dac *
482radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
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483extern struct radeon_encoder_lvds *
484radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
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485extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
486extern struct radeon_encoder_tv_dac *
487radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
488extern struct radeon_encoder_primary_dac *
489radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
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490extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
491extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
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492extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
493extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
494extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
495extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
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496extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
497extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
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498extern void
499radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
500extern void
501radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
502extern void
503radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
504extern void
505radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
506extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
507 u16 blue, int regno);
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508extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
509 u16 *blue, int regno);
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510struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
511 struct drm_mode_fb_cmd *mode_cmd,
512 struct drm_gem_object *obj);
513
514int radeonfb_probe(struct drm_device *dev);
515
516int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
517bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
518bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
519void radeon_atombios_init_crtc(struct drm_device *dev,
520 struct radeon_crtc *radeon_crtc);
521void radeon_legacy_init_crtc(struct drm_device *dev,
522 struct radeon_crtc *radeon_crtc);
ab1e9ea0 523extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
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524
525void radeon_get_clock_info(struct drm_device *dev);
526
527extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
528extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
529
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530void radeon_enc_destroy(struct drm_encoder *encoder);
531void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
532void radeon_combios_asic_init(struct drm_device *dev);
533extern int radeon_static_clocks_init(struct drm_device *dev);
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JG
534bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
535 struct drm_display_mode *mode,
536 struct drm_display_mode *adjusted_mode);
4ce001ab
DA
537void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
538
539/* legacy tv */
540void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
541 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
542 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
543void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
544 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
545 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
546void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
547 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
548 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
549void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
550 struct drm_display_mode *mode,
551 struct drm_display_mode *adjusted_mode);
771fe6b9 552#endif