GNU Linux-libre 4.14.303-gnu1
[releases.git] / drivers / gpu / drm / radeon / radeon_legacy_encoders.c
1 /*
2  * Copyright 2007-8 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: Dave Airlie
24  *          Alex Deucher
25  */
26 #include <drm/drmP.h>
27 #include <drm/drm_crtc_helper.h>
28 #include <drm/radeon_drm.h>
29 #include "radeon.h"
30 #include "radeon_asic.h"
31 #include "atom.h"
32 #include <linux/backlight.h>
33 #ifdef CONFIG_PMAC_BACKLIGHT
34 #include <asm/backlight.h>
35 #endif
36
37 static void radeon_legacy_encoder_disable(struct drm_encoder *encoder)
38 {
39         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
40         const struct drm_encoder_helper_funcs *encoder_funcs;
41
42         encoder_funcs = encoder->helper_private;
43         encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
44         radeon_encoder->active_device = 0;
45 }
46
47 static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode)
48 {
49         struct drm_device *dev = encoder->dev;
50         struct radeon_device *rdev = dev->dev_private;
51         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
52         uint32_t lvds_gen_cntl, lvds_pll_cntl, pixclks_cntl, disp_pwr_man;
53         int panel_pwr_delay = 2000;
54         bool is_mac = false;
55         uint8_t backlight_level;
56         DRM_DEBUG_KMS("\n");
57
58         lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
59         backlight_level = (lvds_gen_cntl >> RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
60
61         if (radeon_encoder->enc_priv) {
62                 if (rdev->is_atom_bios) {
63                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
64                         panel_pwr_delay = lvds->panel_pwr_delay;
65                         if (lvds->bl_dev)
66                                 backlight_level = lvds->backlight_level;
67                 } else {
68                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
69                         panel_pwr_delay = lvds->panel_pwr_delay;
70                         if (lvds->bl_dev)
71                                 backlight_level = lvds->backlight_level;
72                 }
73         }
74
75         /* macs (and possibly some x86 oem systems?) wire up LVDS strangely
76          * Taken from radeonfb.
77          */
78         if ((rdev->mode_info.connector_table == CT_IBOOK) ||
79             (rdev->mode_info.connector_table == CT_POWERBOOK_EXTERNAL) ||
80             (rdev->mode_info.connector_table == CT_POWERBOOK_INTERNAL) ||
81             (rdev->mode_info.connector_table == CT_POWERBOOK_VGA))
82                 is_mac = true;
83
84         switch (mode) {
85         case DRM_MODE_DPMS_ON:
86                 disp_pwr_man = RREG32(RADEON_DISP_PWR_MAN);
87                 disp_pwr_man |= RADEON_AUTO_PWRUP_EN;
88                 WREG32(RADEON_DISP_PWR_MAN, disp_pwr_man);
89                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
90                 lvds_pll_cntl |= RADEON_LVDS_PLL_EN;
91                 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
92                 mdelay(1);
93
94                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
95                 lvds_pll_cntl &= ~RADEON_LVDS_PLL_RESET;
96                 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
97
98                 lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS |
99                                    RADEON_LVDS_BL_MOD_LEVEL_MASK);
100                 lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN |
101                                   RADEON_LVDS_DIGON | RADEON_LVDS_BLON |
102                                   (backlight_level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT));
103                 if (is_mac)
104                         lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
105                 mdelay(panel_pwr_delay);
106                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
107                 break;
108         case DRM_MODE_DPMS_STANDBY:
109         case DRM_MODE_DPMS_SUSPEND:
110         case DRM_MODE_DPMS_OFF:
111                 pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
112                 WREG32_PLL_P(RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb);
113                 lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
114                 if (is_mac) {
115                         lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN;
116                         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
117                         lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN);
118                 } else {
119                         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
120                         lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
121                 }
122                 mdelay(panel_pwr_delay);
123                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
124                 WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
125                 mdelay(panel_pwr_delay);
126                 break;
127         }
128
129         if (rdev->is_atom_bios)
130                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
131         else
132                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
133
134 }
135
136 static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
137 {
138         struct radeon_device *rdev = encoder->dev->dev_private;
139         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
140         DRM_DEBUG("\n");
141
142         if (radeon_encoder->enc_priv) {
143                 if (rdev->is_atom_bios) {
144                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
145                         lvds->dpms_mode = mode;
146                 } else {
147                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
148                         lvds->dpms_mode = mode;
149                 }
150         }
151
152         radeon_legacy_lvds_update(encoder, mode);
153 }
154
155 static void radeon_legacy_lvds_prepare(struct drm_encoder *encoder)
156 {
157         struct radeon_device *rdev = encoder->dev->dev_private;
158
159         if (rdev->is_atom_bios)
160                 radeon_atom_output_lock(encoder, true);
161         else
162                 radeon_combios_output_lock(encoder, true);
163         radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_OFF);
164 }
165
166 static void radeon_legacy_lvds_commit(struct drm_encoder *encoder)
167 {
168         struct radeon_device *rdev = encoder->dev->dev_private;
169
170         radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_ON);
171         if (rdev->is_atom_bios)
172                 radeon_atom_output_lock(encoder, false);
173         else
174                 radeon_combios_output_lock(encoder, false);
175 }
176
177 static void radeon_legacy_lvds_mode_set(struct drm_encoder *encoder,
178                                         struct drm_display_mode *mode,
179                                         struct drm_display_mode *adjusted_mode)
180 {
181         struct drm_device *dev = encoder->dev;
182         struct radeon_device *rdev = dev->dev_private;
183         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
184         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
185         uint32_t lvds_pll_cntl, lvds_gen_cntl, lvds_ss_gen_cntl;
186
187         DRM_DEBUG_KMS("\n");
188
189         lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
190         lvds_pll_cntl &= ~RADEON_LVDS_PLL_EN;
191
192         lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
193         if (rdev->is_atom_bios) {
194                 /* LVDS_GEN_CNTL parameters are computed in LVDSEncoderControl
195                  * need to call that on resume to set up the reg properly.
196                  */
197                 radeon_encoder->pixel_clock = adjusted_mode->clock;
198                 atombios_digital_setup(encoder, PANEL_ENCODER_ACTION_ENABLE);
199                 lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
200         } else {
201                 struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv;
202                 if (lvds) {
203                         DRM_DEBUG_KMS("bios LVDS_GEN_CNTL: 0x%x\n", lvds->lvds_gen_cntl);
204                         lvds_gen_cntl = lvds->lvds_gen_cntl;
205                         lvds_ss_gen_cntl &= ~((0xf << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
206                                               (0xf << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
207                         lvds_ss_gen_cntl |= ((lvds->panel_digon_delay << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
208                                              (lvds->panel_blon_delay << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
209                 } else
210                         lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
211         }
212         lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
213         lvds_gen_cntl &= ~(RADEON_LVDS_ON |
214                            RADEON_LVDS_BLON |
215                            RADEON_LVDS_EN |
216                            RADEON_LVDS_RST_FM);
217
218         if (ASIC_IS_R300(rdev))
219                 lvds_pll_cntl &= ~(R300_LVDS_SRC_SEL_MASK);
220
221         if (radeon_crtc->crtc_id == 0) {
222                 if (ASIC_IS_R300(rdev)) {
223                         if (radeon_encoder->rmx_type != RMX_OFF)
224                                 lvds_pll_cntl |= R300_LVDS_SRC_SEL_RMX;
225                 } else
226                         lvds_gen_cntl &= ~RADEON_LVDS_SEL_CRTC2;
227         } else {
228                 if (ASIC_IS_R300(rdev))
229                         lvds_pll_cntl |= R300_LVDS_SRC_SEL_CRTC2;
230                 else
231                         lvds_gen_cntl |= RADEON_LVDS_SEL_CRTC2;
232         }
233
234         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
235         WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
236         WREG32(RADEON_LVDS_SS_GEN_CNTL, lvds_ss_gen_cntl);
237
238         if (rdev->family == CHIP_RV410)
239                 WREG32(RADEON_CLOCK_CNTL_INDEX, 0);
240
241         if (rdev->is_atom_bios)
242                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
243         else
244                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
245 }
246
247 static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder,
248                                      const struct drm_display_mode *mode,
249                                      struct drm_display_mode *adjusted_mode)
250 {
251         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
252
253         /* set the active encoder to connector routing */
254         radeon_encoder_set_active_device(encoder);
255         drm_mode_set_crtcinfo(adjusted_mode, 0);
256
257         /* get the native mode for LVDS */
258         if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
259                 radeon_panel_mode_fixup(encoder, adjusted_mode);
260
261         return true;
262 }
263
264 static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
265         .dpms = radeon_legacy_lvds_dpms,
266         .mode_fixup = radeon_legacy_mode_fixup,
267         .prepare = radeon_legacy_lvds_prepare,
268         .mode_set = radeon_legacy_lvds_mode_set,
269         .commit = radeon_legacy_lvds_commit,
270         .disable = radeon_legacy_encoder_disable,
271 };
272
273 u8
274 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
275 {
276         struct drm_device *dev = radeon_encoder->base.dev;
277         struct radeon_device *rdev = dev->dev_private;
278         u8 backlight_level;
279
280         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
281                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
282
283         return backlight_level;
284 }
285
286 void
287 radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level)
288 {
289         struct drm_device *dev = radeon_encoder->base.dev;
290         struct radeon_device *rdev = dev->dev_private;
291         int dpms_mode = DRM_MODE_DPMS_ON;
292
293         if (radeon_encoder->enc_priv) {
294                 if (rdev->is_atom_bios) {
295                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
296                         if (lvds->backlight_level > 0)
297                                 dpms_mode = lvds->dpms_mode;
298                         else
299                                 dpms_mode = DRM_MODE_DPMS_OFF;
300                         lvds->backlight_level = level;
301                 } else {
302                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
303                         if (lvds->backlight_level > 0)
304                                 dpms_mode = lvds->dpms_mode;
305                         else
306                                 dpms_mode = DRM_MODE_DPMS_OFF;
307                         lvds->backlight_level = level;
308                 }
309         }
310
311         radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
312 }
313
314 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
315
316 static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
317 {
318         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
319         uint8_t level;
320
321         /* Convert brightness to hardware level */
322         if (bd->props.brightness < 0)
323                 level = 0;
324         else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
325                 level = RADEON_MAX_BL_LEVEL;
326         else
327                 level = bd->props.brightness;
328
329         if (pdata->negative)
330                 level = RADEON_MAX_BL_LEVEL - level;
331
332         return level;
333 }
334
335 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
336 {
337         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
338         struct radeon_encoder *radeon_encoder = pdata->encoder;
339
340         radeon_legacy_set_backlight_level(radeon_encoder,
341                                           radeon_legacy_lvds_level(bd));
342
343         return 0;
344 }
345
346 static int radeon_legacy_backlight_get_brightness(struct backlight_device *bd)
347 {
348         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
349         struct radeon_encoder *radeon_encoder = pdata->encoder;
350         struct drm_device *dev = radeon_encoder->base.dev;
351         struct radeon_device *rdev = dev->dev_private;
352         uint8_t backlight_level;
353
354         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
355                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
356
357         return pdata->negative ? RADEON_MAX_BL_LEVEL - backlight_level : backlight_level;
358 }
359
360 static const struct backlight_ops radeon_backlight_ops = {
361         .get_brightness = radeon_legacy_backlight_get_brightness,
362         .update_status  = radeon_legacy_backlight_update_status,
363 };
364
365 void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
366                                   struct drm_connector *drm_connector)
367 {
368         struct drm_device *dev = radeon_encoder->base.dev;
369         struct radeon_device *rdev = dev->dev_private;
370         struct backlight_device *bd;
371         struct backlight_properties props;
372         struct radeon_backlight_privdata *pdata;
373         uint8_t backlight_level;
374         char bl_name[16];
375
376         if (!radeon_encoder->enc_priv)
377                 return;
378
379 #ifdef CONFIG_PMAC_BACKLIGHT
380         if (!pmac_has_backlight_type("ati") &&
381             !pmac_has_backlight_type("mnca"))
382                 return;
383 #endif
384
385         pdata = kmalloc(sizeof(struct radeon_backlight_privdata), GFP_KERNEL);
386         if (!pdata) {
387                 DRM_ERROR("Memory allocation failed\n");
388                 goto error;
389         }
390
391         memset(&props, 0, sizeof(props));
392         props.max_brightness = RADEON_MAX_BL_LEVEL;
393         props.type = BACKLIGHT_RAW;
394         snprintf(bl_name, sizeof(bl_name),
395                  "radeon_bl%d", dev->primary->index);
396         bd = backlight_device_register(bl_name, drm_connector->kdev,
397                                        pdata, &radeon_backlight_ops, &props);
398         if (IS_ERR(bd)) {
399                 DRM_ERROR("Backlight registration failed\n");
400                 goto error;
401         }
402
403         pdata->encoder = radeon_encoder;
404
405         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
406                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
407
408         /* First, try to detect backlight level sense based on the assumption
409          * that firmware set it up at full brightness
410          */
411         if (backlight_level == 0)
412                 pdata->negative = true;
413         else if (backlight_level == 0xff)
414                 pdata->negative = false;
415         else {
416                 /* XXX hack... maybe some day we can figure out in what direction
417                  * backlight should work on a given panel?
418                  */
419                 pdata->negative = (rdev->family != CHIP_RV200 &&
420                                    rdev->family != CHIP_RV250 &&
421                                    rdev->family != CHIP_RV280 &&
422                                    rdev->family != CHIP_RV350);
423
424 #ifdef CONFIG_PMAC_BACKLIGHT
425                 pdata->negative = (pdata->negative ||
426                                    of_machine_is_compatible("PowerBook4,3") ||
427                                    of_machine_is_compatible("PowerBook6,3") ||
428                                    of_machine_is_compatible("PowerBook6,5"));
429 #endif
430         }
431
432         if (rdev->is_atom_bios) {
433                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
434                 lvds->bl_dev = bd;
435         } else {
436                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
437                 lvds->bl_dev = bd;
438         }
439
440         bd->props.brightness = radeon_legacy_backlight_get_brightness(bd);
441         bd->props.power = FB_BLANK_UNBLANK;
442         backlight_update_status(bd);
443
444         DRM_INFO("radeon legacy LVDS backlight initialized\n");
445         rdev->mode_info.bl_encoder = radeon_encoder;
446
447         return;
448
449 error:
450         kfree(pdata);
451         return;
452 }
453
454 static void radeon_legacy_backlight_exit(struct radeon_encoder *radeon_encoder)
455 {
456         struct drm_device *dev = radeon_encoder->base.dev;
457         struct radeon_device *rdev = dev->dev_private;
458         struct backlight_device *bd = NULL;
459
460         if (!radeon_encoder->enc_priv)
461                 return;
462
463         if (rdev->is_atom_bios) {
464                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
465                 bd = lvds->bl_dev;
466                 lvds->bl_dev = NULL;
467         } else {
468                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
469                 bd = lvds->bl_dev;
470                 lvds->bl_dev = NULL;
471         }
472
473         if (bd) {
474                 struct radeon_backlight_privdata *pdata;
475
476                 pdata = bl_get_data(bd);
477                 backlight_device_unregister(bd);
478                 kfree(pdata);
479
480                 DRM_INFO("radeon legacy LVDS backlight unloaded\n");
481         }
482 }
483
484 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
485
486 void radeon_legacy_backlight_init(struct radeon_encoder *encoder)
487 {
488 }
489
490 static void radeon_legacy_backlight_exit(struct radeon_encoder *encoder)
491 {
492 }
493
494 #endif
495
496
497 static void radeon_lvds_enc_destroy(struct drm_encoder *encoder)
498 {
499         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
500
501         if (radeon_encoder->enc_priv) {
502                 radeon_legacy_backlight_exit(radeon_encoder);
503                 kfree(radeon_encoder->enc_priv);
504         }
505         drm_encoder_cleanup(encoder);
506         kfree(radeon_encoder);
507 }
508
509 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = {
510         .destroy = radeon_lvds_enc_destroy,
511 };
512
513 static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode)
514 {
515         struct drm_device *dev = encoder->dev;
516         struct radeon_device *rdev = dev->dev_private;
517         uint32_t crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
518         uint32_t dac_cntl = RREG32(RADEON_DAC_CNTL);
519         uint32_t dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
520
521         DRM_DEBUG_KMS("\n");
522
523         switch (mode) {
524         case DRM_MODE_DPMS_ON:
525                 crtc_ext_cntl |= RADEON_CRTC_CRT_ON;
526                 dac_cntl &= ~RADEON_DAC_PDWN;
527                 dac_macro_cntl &= ~(RADEON_DAC_PDWN_R |
528                                     RADEON_DAC_PDWN_G |
529                                     RADEON_DAC_PDWN_B);
530                 break;
531         case DRM_MODE_DPMS_STANDBY:
532         case DRM_MODE_DPMS_SUSPEND:
533         case DRM_MODE_DPMS_OFF:
534                 crtc_ext_cntl &= ~RADEON_CRTC_CRT_ON;
535                 dac_cntl |= RADEON_DAC_PDWN;
536                 dac_macro_cntl |= (RADEON_DAC_PDWN_R |
537                                    RADEON_DAC_PDWN_G |
538                                    RADEON_DAC_PDWN_B);
539                 break;
540         }
541
542         /* handled in radeon_crtc_dpms() */
543         if (!(rdev->flags & RADEON_SINGLE_CRTC))
544                 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
545         WREG32(RADEON_DAC_CNTL, dac_cntl);
546         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
547
548         if (rdev->is_atom_bios)
549                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
550         else
551                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
552
553 }
554
555 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
556 {
557         struct radeon_device *rdev = encoder->dev->dev_private;
558
559         if (rdev->is_atom_bios)
560                 radeon_atom_output_lock(encoder, true);
561         else
562                 radeon_combios_output_lock(encoder, true);
563         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
564 }
565
566 static void radeon_legacy_primary_dac_commit(struct drm_encoder *encoder)
567 {
568         struct radeon_device *rdev = encoder->dev->dev_private;
569
570         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_ON);
571
572         if (rdev->is_atom_bios)
573                 radeon_atom_output_lock(encoder, false);
574         else
575                 radeon_combios_output_lock(encoder, false);
576 }
577
578 static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder,
579                                                struct drm_display_mode *mode,
580                                                struct drm_display_mode *adjusted_mode)
581 {
582         struct drm_device *dev = encoder->dev;
583         struct radeon_device *rdev = dev->dev_private;
584         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
585         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
586         uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl;
587
588         DRM_DEBUG_KMS("\n");
589
590         if (radeon_crtc->crtc_id == 0) {
591                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
592                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
593                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
594                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
595                 } else {
596                         dac2_cntl = RREG32(RADEON_DAC_CNTL2)  & ~(RADEON_DAC2_DAC_CLK_SEL);
597                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
598                 }
599         } else {
600                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
601                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
602                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
603                         disp_output_cntl |= RADEON_DISP_DAC_SOURCE_CRTC2;
604                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
605                 } else {
606                         dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL;
607                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
608                 }
609         }
610
611         dac_cntl = (RADEON_DAC_MASK_ALL |
612                     RADEON_DAC_VGA_ADR_EN |
613                     /* TODO 6-bits */
614                     RADEON_DAC_8BIT_EN);
615
616         WREG32_P(RADEON_DAC_CNTL,
617                        dac_cntl,
618                        RADEON_DAC_RANGE_CNTL |
619                        RADEON_DAC_BLANKING);
620
621         if (radeon_encoder->enc_priv) {
622                 struct radeon_encoder_primary_dac *p_dac = (struct radeon_encoder_primary_dac *)radeon_encoder->enc_priv;
623                 dac_macro_cntl = p_dac->ps2_pdac_adj;
624         } else
625                 dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
626         dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B;
627         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
628
629         if (rdev->is_atom_bios)
630                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
631         else
632                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
633 }
634
635 static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder,
636                                                                   struct drm_connector *connector)
637 {
638         struct drm_device *dev = encoder->dev;
639         struct radeon_device *rdev = dev->dev_private;
640         uint32_t vclk_ecp_cntl, crtc_ext_cntl;
641         uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp;
642         enum drm_connector_status found = connector_status_disconnected;
643         bool color = true;
644
645         /* just don't bother on RN50 those chip are often connected to remoting
646          * console hw and often we get failure to load detect those. So to make
647          * everyone happy report the encoder as always connected.
648          */
649         if (ASIC_IS_RN50(rdev)) {
650                 return connector_status_connected;
651         }
652
653         /* save the regs we need */
654         vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
655         crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
656         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
657         dac_cntl = RREG32(RADEON_DAC_CNTL);
658         dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
659
660         tmp = vclk_ecp_cntl &
661                 ~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb);
662         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
663
664         tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
665         WREG32(RADEON_CRTC_EXT_CNTL, tmp);
666
667         tmp = RADEON_DAC_FORCE_BLANK_OFF_EN |
668                 RADEON_DAC_FORCE_DATA_EN;
669
670         if (color)
671                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
672         else
673                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
674
675         if (ASIC_IS_R300(rdev))
676                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
677         else if (ASIC_IS_RV100(rdev))
678                 tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
679         else
680                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
681
682         WREG32(RADEON_DAC_EXT_CNTL, tmp);
683
684         tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN);
685         tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
686         WREG32(RADEON_DAC_CNTL, tmp);
687
688         tmp = dac_macro_cntl;
689         tmp &= ~(RADEON_DAC_PDWN_R |
690                  RADEON_DAC_PDWN_G |
691                  RADEON_DAC_PDWN_B);
692
693         WREG32(RADEON_DAC_MACRO_CNTL, tmp);
694
695         mdelay(2);
696
697         if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT)
698                 found = connector_status_connected;
699
700         /* restore the regs we used */
701         WREG32(RADEON_DAC_CNTL, dac_cntl);
702         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
703         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
704         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
705         WREG32_PLL(RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl);
706
707         return found;
708 }
709
710 static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = {
711         .dpms = radeon_legacy_primary_dac_dpms,
712         .mode_fixup = radeon_legacy_mode_fixup,
713         .prepare = radeon_legacy_primary_dac_prepare,
714         .mode_set = radeon_legacy_primary_dac_mode_set,
715         .commit = radeon_legacy_primary_dac_commit,
716         .detect = radeon_legacy_primary_dac_detect,
717         .disable = radeon_legacy_encoder_disable,
718 };
719
720
721 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = {
722         .destroy = radeon_enc_destroy,
723 };
724
725 static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
726 {
727         struct drm_device *dev = encoder->dev;
728         struct radeon_device *rdev = dev->dev_private;
729         uint32_t fp_gen_cntl = RREG32(RADEON_FP_GEN_CNTL);
730         DRM_DEBUG_KMS("\n");
731
732         switch (mode) {
733         case DRM_MODE_DPMS_ON:
734                 fp_gen_cntl |= (RADEON_FP_FPON | RADEON_FP_TMDS_EN);
735                 break;
736         case DRM_MODE_DPMS_STANDBY:
737         case DRM_MODE_DPMS_SUSPEND:
738         case DRM_MODE_DPMS_OFF:
739                 fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
740                 break;
741         }
742
743         WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
744
745         if (rdev->is_atom_bios)
746                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
747         else
748                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
749
750 }
751
752 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
753 {
754         struct radeon_device *rdev = encoder->dev->dev_private;
755
756         if (rdev->is_atom_bios)
757                 radeon_atom_output_lock(encoder, true);
758         else
759                 radeon_combios_output_lock(encoder, true);
760         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_OFF);
761 }
762
763 static void radeon_legacy_tmds_int_commit(struct drm_encoder *encoder)
764 {
765         struct radeon_device *rdev = encoder->dev->dev_private;
766
767         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_ON);
768
769         if (rdev->is_atom_bios)
770                 radeon_atom_output_lock(encoder, true);
771         else
772                 radeon_combios_output_lock(encoder, true);
773 }
774
775 static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
776                                             struct drm_display_mode *mode,
777                                             struct drm_display_mode *adjusted_mode)
778 {
779         struct drm_device *dev = encoder->dev;
780         struct radeon_device *rdev = dev->dev_private;
781         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
782         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
783         uint32_t tmp, tmds_pll_cntl, tmds_transmitter_cntl, fp_gen_cntl;
784         int i;
785
786         DRM_DEBUG_KMS("\n");
787
788         tmp = tmds_pll_cntl = RREG32(RADEON_TMDS_PLL_CNTL);
789         tmp &= 0xfffff;
790         if (rdev->family == CHIP_RV280) {
791                 /* bit 22 of TMDS_PLL_CNTL is read-back inverted */
792                 tmp ^= (1 << 22);
793                 tmds_pll_cntl ^= (1 << 22);
794         }
795
796         if (radeon_encoder->enc_priv) {
797                 struct radeon_encoder_int_tmds *tmds = (struct radeon_encoder_int_tmds *)radeon_encoder->enc_priv;
798
799                 for (i = 0; i < 4; i++) {
800                         if (tmds->tmds_pll[i].freq == 0)
801                                 break;
802                         if ((uint32_t)(mode->clock / 10) < tmds->tmds_pll[i].freq) {
803                                 tmp = tmds->tmds_pll[i].value ;
804                                 break;
805                         }
806                 }
807         }
808
809         if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV280)) {
810                 if (tmp & 0xfff00000)
811                         tmds_pll_cntl = tmp;
812                 else {
813                         tmds_pll_cntl &= 0xfff00000;
814                         tmds_pll_cntl |= tmp;
815                 }
816         } else
817                 tmds_pll_cntl = tmp;
818
819         tmds_transmitter_cntl = RREG32(RADEON_TMDS_TRANSMITTER_CNTL) &
820                 ~(RADEON_TMDS_TRANSMITTER_PLLRST);
821
822         if (rdev->family == CHIP_R200 ||
823             rdev->family == CHIP_R100 ||
824             ASIC_IS_R300(rdev))
825                 tmds_transmitter_cntl &= ~(RADEON_TMDS_TRANSMITTER_PLLEN);
826         else /* RV chips got this bit reversed */
827                 tmds_transmitter_cntl |= RADEON_TMDS_TRANSMITTER_PLLEN;
828
829         fp_gen_cntl = (RREG32(RADEON_FP_GEN_CNTL) |
830                       (RADEON_FP_CRTC_DONT_SHADOW_VPAR |
831                        RADEON_FP_CRTC_DONT_SHADOW_HEND));
832
833         fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
834
835         fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN |
836                          RADEON_FP_DFP_SYNC_SEL |
837                          RADEON_FP_CRT_SYNC_SEL |
838                          RADEON_FP_CRTC_LOCK_8DOT |
839                          RADEON_FP_USE_SHADOW_EN |
840                          RADEON_FP_CRTC_USE_SHADOW_VEND |
841                          RADEON_FP_CRT_SYNC_ALT);
842
843         if (1) /*  FIXME rgbBits == 8 */
844                 fp_gen_cntl |= RADEON_FP_PANEL_FORMAT;  /* 24 bit format */
845         else
846                 fp_gen_cntl &= ~RADEON_FP_PANEL_FORMAT;/* 18 bit format */
847
848         if (radeon_crtc->crtc_id == 0) {
849                 if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
850                         fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
851                         if (radeon_encoder->rmx_type != RMX_OFF)
852                                 fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
853                         else
854                                 fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
855                 } else
856                         fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2;
857         } else {
858                 if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
859                         fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
860                         fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC2;
861                 } else
862                         fp_gen_cntl |= RADEON_FP_SEL_CRTC2;
863         }
864
865         WREG32(RADEON_TMDS_PLL_CNTL, tmds_pll_cntl);
866         WREG32(RADEON_TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl);
867         WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
868
869         if (rdev->is_atom_bios)
870                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
871         else
872                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
873 }
874
875 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_int_helper_funcs = {
876         .dpms = radeon_legacy_tmds_int_dpms,
877         .mode_fixup = radeon_legacy_mode_fixup,
878         .prepare = radeon_legacy_tmds_int_prepare,
879         .mode_set = radeon_legacy_tmds_int_mode_set,
880         .commit = radeon_legacy_tmds_int_commit,
881         .disable = radeon_legacy_encoder_disable,
882 };
883
884
885 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = {
886         .destroy = radeon_enc_destroy,
887 };
888
889 static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
890 {
891         struct drm_device *dev = encoder->dev;
892         struct radeon_device *rdev = dev->dev_private;
893         uint32_t fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
894         DRM_DEBUG_KMS("\n");
895
896         switch (mode) {
897         case DRM_MODE_DPMS_ON:
898                 fp2_gen_cntl &= ~RADEON_FP2_BLANK_EN;
899                 fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
900                 break;
901         case DRM_MODE_DPMS_STANDBY:
902         case DRM_MODE_DPMS_SUSPEND:
903         case DRM_MODE_DPMS_OFF:
904                 fp2_gen_cntl |= RADEON_FP2_BLANK_EN;
905                 fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
906                 break;
907         }
908
909         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
910
911         if (rdev->is_atom_bios)
912                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
913         else
914                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
915
916 }
917
918 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
919 {
920         struct radeon_device *rdev = encoder->dev->dev_private;
921
922         if (rdev->is_atom_bios)
923                 radeon_atom_output_lock(encoder, true);
924         else
925                 radeon_combios_output_lock(encoder, true);
926         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_OFF);
927 }
928
929 static void radeon_legacy_tmds_ext_commit(struct drm_encoder *encoder)
930 {
931         struct radeon_device *rdev = encoder->dev->dev_private;
932         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_ON);
933
934         if (rdev->is_atom_bios)
935                 radeon_atom_output_lock(encoder, false);
936         else
937                 radeon_combios_output_lock(encoder, false);
938 }
939
940 static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
941                                             struct drm_display_mode *mode,
942                                             struct drm_display_mode *adjusted_mode)
943 {
944         struct drm_device *dev = encoder->dev;
945         struct radeon_device *rdev = dev->dev_private;
946         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
947         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
948         uint32_t fp2_gen_cntl;
949
950         DRM_DEBUG_KMS("\n");
951
952         if (rdev->is_atom_bios) {
953                 radeon_encoder->pixel_clock = adjusted_mode->clock;
954                 atombios_dvo_setup(encoder, ATOM_ENABLE);
955                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
956         } else {
957                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
958
959                 if (1) /*  FIXME rgbBits == 8 */
960                         fp2_gen_cntl |= RADEON_FP2_PANEL_FORMAT; /* 24 bit format, */
961                 else
962                         fp2_gen_cntl &= ~RADEON_FP2_PANEL_FORMAT;/* 18 bit format, */
963
964                 fp2_gen_cntl &= ~(RADEON_FP2_ON |
965                                   RADEON_FP2_DVO_EN |
966                                   RADEON_FP2_DVO_RATE_SEL_SDR);
967
968                 /* XXX: these are oem specific */
969                 if (ASIC_IS_R300(rdev)) {
970                         if ((dev->pdev->device == 0x4850) &&
971                             (dev->pdev->subsystem_vendor == 0x1028) &&
972                             (dev->pdev->subsystem_device == 0x2001)) /* Dell Inspiron 8600 */
973                                 fp2_gen_cntl |= R300_FP2_DVO_CLOCK_MODE_SINGLE;
974                         else
975                                 fp2_gen_cntl |= RADEON_FP2_PAD_FLOP_EN | R300_FP2_DVO_CLOCK_MODE_SINGLE;
976
977                         /*if (mode->clock > 165000)
978                           fp2_gen_cntl |= R300_FP2_DVO_DUAL_CHANNEL_EN;*/
979                 }
980                 if (!radeon_combios_external_tmds_setup(encoder))
981                         radeon_external_tmds_setup(encoder);
982         }
983
984         if (radeon_crtc->crtc_id == 0) {
985                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
986                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
987                         if (radeon_encoder->rmx_type != RMX_OFF)
988                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_RMX;
989                         else
990                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1;
991                 } else
992                         fp2_gen_cntl &= ~RADEON_FP2_SRC_SEL_CRTC2;
993         } else {
994                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
995                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
996                         fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
997                 } else
998                         fp2_gen_cntl |= RADEON_FP2_SRC_SEL_CRTC2;
999         }
1000
1001         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1002
1003         if (rdev->is_atom_bios)
1004                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1005         else
1006                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1007 }
1008
1009 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
1010 {
1011         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1012         /* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
1013         kfree(radeon_encoder->enc_priv);
1014         drm_encoder_cleanup(encoder);
1015         kfree(radeon_encoder);
1016 }
1017
1018 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_ext_helper_funcs = {
1019         .dpms = radeon_legacy_tmds_ext_dpms,
1020         .mode_fixup = radeon_legacy_mode_fixup,
1021         .prepare = radeon_legacy_tmds_ext_prepare,
1022         .mode_set = radeon_legacy_tmds_ext_mode_set,
1023         .commit = radeon_legacy_tmds_ext_commit,
1024         .disable = radeon_legacy_encoder_disable,
1025 };
1026
1027
1028 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = {
1029         .destroy = radeon_ext_tmds_enc_destroy,
1030 };
1031
1032 static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
1033 {
1034         struct drm_device *dev = encoder->dev;
1035         struct radeon_device *rdev = dev->dev_private;
1036         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1037         uint32_t fp2_gen_cntl = 0, crtc2_gen_cntl = 0, tv_dac_cntl = 0;
1038         uint32_t tv_master_cntl = 0;
1039         bool is_tv;
1040         DRM_DEBUG_KMS("\n");
1041
1042         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1043
1044         if (rdev->family == CHIP_R200)
1045                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1046         else {
1047                 if (is_tv)
1048                         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1049                 else
1050                         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1051                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1052         }
1053
1054         switch (mode) {
1055         case DRM_MODE_DPMS_ON:
1056                 if (rdev->family == CHIP_R200) {
1057                         fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1058                 } else {
1059                         if (is_tv)
1060                                 tv_master_cntl |= RADEON_TV_ON;
1061                         else
1062                                 crtc2_gen_cntl |= RADEON_CRTC2_CRT2_ON;
1063
1064                         if (rdev->family == CHIP_R420 ||
1065                             rdev->family == CHIP_R423 ||
1066                             rdev->family == CHIP_RV410)
1067                                 tv_dac_cntl &= ~(R420_TV_DAC_RDACPD |
1068                                                  R420_TV_DAC_GDACPD |
1069                                                  R420_TV_DAC_BDACPD |
1070                                                  RADEON_TV_DAC_BGSLEEP);
1071                         else
1072                                 tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD |
1073                                                  RADEON_TV_DAC_GDACPD |
1074                                                  RADEON_TV_DAC_BDACPD |
1075                                                  RADEON_TV_DAC_BGSLEEP);
1076                 }
1077                 break;
1078         case DRM_MODE_DPMS_STANDBY:
1079         case DRM_MODE_DPMS_SUSPEND:
1080         case DRM_MODE_DPMS_OFF:
1081                 if (rdev->family == CHIP_R200)
1082                         fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1083                 else {
1084                         if (is_tv)
1085                                 tv_master_cntl &= ~RADEON_TV_ON;
1086                         else
1087                                 crtc2_gen_cntl &= ~RADEON_CRTC2_CRT2_ON;
1088
1089                         if (rdev->family == CHIP_R420 ||
1090                             rdev->family == CHIP_R423 ||
1091                             rdev->family == CHIP_RV410)
1092                                 tv_dac_cntl |= (R420_TV_DAC_RDACPD |
1093                                                 R420_TV_DAC_GDACPD |
1094                                                 R420_TV_DAC_BDACPD |
1095                                                 RADEON_TV_DAC_BGSLEEP);
1096                         else
1097                                 tv_dac_cntl |= (RADEON_TV_DAC_RDACPD |
1098                                                 RADEON_TV_DAC_GDACPD |
1099                                                 RADEON_TV_DAC_BDACPD |
1100                                                 RADEON_TV_DAC_BGSLEEP);
1101                 }
1102                 break;
1103         }
1104
1105         if (rdev->family == CHIP_R200) {
1106                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1107         } else {
1108                 if (is_tv)
1109                         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1110                 /* handled in radeon_crtc_dpms() */
1111                 else if (!(rdev->flags & RADEON_SINGLE_CRTC))
1112                         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1113                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1114         }
1115
1116         if (rdev->is_atom_bios)
1117                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1118         else
1119                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1120
1121 }
1122
1123 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)
1124 {
1125         struct radeon_device *rdev = encoder->dev->dev_private;
1126
1127         if (rdev->is_atom_bios)
1128                 radeon_atom_output_lock(encoder, true);
1129         else
1130                 radeon_combios_output_lock(encoder, true);
1131         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
1132 }
1133
1134 static void radeon_legacy_tv_dac_commit(struct drm_encoder *encoder)
1135 {
1136         struct radeon_device *rdev = encoder->dev->dev_private;
1137
1138         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1139
1140         if (rdev->is_atom_bios)
1141                 radeon_atom_output_lock(encoder, true);
1142         else
1143                 radeon_combios_output_lock(encoder, true);
1144 }
1145
1146 static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder,
1147                 struct drm_display_mode *mode,
1148                 struct drm_display_mode *adjusted_mode)
1149 {
1150         struct drm_device *dev = encoder->dev;
1151         struct radeon_device *rdev = dev->dev_private;
1152         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1153         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1154         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1155         uint32_t tv_dac_cntl, gpiopad_a = 0, dac2_cntl, disp_output_cntl = 0;
1156         uint32_t disp_hw_debug = 0, fp2_gen_cntl = 0, disp_tv_out_cntl = 0;
1157         bool is_tv = false;
1158
1159         DRM_DEBUG_KMS("\n");
1160
1161         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1162
1163         if (rdev->family != CHIP_R200) {
1164                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1165                 if (rdev->family == CHIP_R420 ||
1166                     rdev->family == CHIP_R423 ||
1167                     rdev->family == CHIP_RV410) {
1168                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1169                                          RADEON_TV_DAC_BGADJ_MASK |
1170                                          R420_TV_DAC_DACADJ_MASK |
1171                                          R420_TV_DAC_RDACPD |
1172                                          R420_TV_DAC_GDACPD |
1173                                          R420_TV_DAC_BDACPD |
1174                                          R420_TV_DAC_TVENABLE);
1175                 } else {
1176                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1177                                          RADEON_TV_DAC_BGADJ_MASK |
1178                                          RADEON_TV_DAC_DACADJ_MASK |
1179                                          RADEON_TV_DAC_RDACPD |
1180                                          RADEON_TV_DAC_GDACPD |
1181                                          RADEON_TV_DAC_BDACPD);
1182                 }
1183
1184                 tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD;
1185
1186                 if (is_tv) {
1187                         if (tv_dac->tv_std == TV_STD_NTSC ||
1188                             tv_dac->tv_std == TV_STD_NTSC_J ||
1189                             tv_dac->tv_std == TV_STD_PAL_M ||
1190                             tv_dac->tv_std == TV_STD_PAL_60)
1191                                 tv_dac_cntl |= tv_dac->ntsc_tvdac_adj;
1192                         else
1193                                 tv_dac_cntl |= tv_dac->pal_tvdac_adj;
1194
1195                         if (tv_dac->tv_std == TV_STD_NTSC ||
1196                             tv_dac->tv_std == TV_STD_NTSC_J)
1197                                 tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC;
1198                         else
1199                                 tv_dac_cntl |= RADEON_TV_DAC_STD_PAL;
1200                 } else
1201                         tv_dac_cntl |= (RADEON_TV_DAC_STD_PS2 |
1202                                         tv_dac->ps2_tvdac_adj);
1203
1204                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1205         }
1206
1207         if (ASIC_IS_R300(rdev)) {
1208                 gpiopad_a = RREG32(RADEON_GPIOPAD_A) | 1;
1209                 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1210         } else if (rdev->family != CHIP_R200)
1211                 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1212         else if (rdev->family == CHIP_R200)
1213                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1214
1215         if (rdev->family >= CHIP_R200)
1216                 disp_tv_out_cntl = RREG32(RADEON_DISP_TV_OUT_CNTL);
1217
1218         if (is_tv) {
1219                 uint32_t dac_cntl;
1220
1221                 dac_cntl = RREG32(RADEON_DAC_CNTL);
1222                 dac_cntl &= ~RADEON_DAC_TVO_EN;
1223                 WREG32(RADEON_DAC_CNTL, dac_cntl);
1224
1225                 if (ASIC_IS_R300(rdev))
1226                         gpiopad_a = RREG32(RADEON_GPIOPAD_A) & ~1;
1227
1228                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL;
1229                 if (radeon_crtc->crtc_id == 0) {
1230                         if (ASIC_IS_R300(rdev)) {
1231                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1232                                 disp_output_cntl |= (RADEON_DISP_TVDAC_SOURCE_CRTC |
1233                                                      RADEON_DISP_TV_SOURCE_CRTC);
1234                         }
1235                         if (rdev->family >= CHIP_R200) {
1236                                 disp_tv_out_cntl &= ~RADEON_DISP_TV_PATH_SRC_CRTC2;
1237                         } else {
1238                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1239                         }
1240                 } else {
1241                         if (ASIC_IS_R300(rdev)) {
1242                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1243                                 disp_output_cntl |= RADEON_DISP_TV_SOURCE_CRTC;
1244                         }
1245                         if (rdev->family >= CHIP_R200) {
1246                                 disp_tv_out_cntl |= RADEON_DISP_TV_PATH_SRC_CRTC2;
1247                         } else {
1248                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1249                         }
1250                 }
1251                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1252         } else {
1253
1254                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL;
1255
1256                 if (radeon_crtc->crtc_id == 0) {
1257                         if (ASIC_IS_R300(rdev)) {
1258                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1259                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC;
1260                         } else if (rdev->family == CHIP_R200) {
1261                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1262                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1263                         } else
1264                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1265                 } else {
1266                         if (ASIC_IS_R300(rdev)) {
1267                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1268                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1269                         } else if (rdev->family == CHIP_R200) {
1270                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1271                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1272                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
1273                         } else
1274                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1275                 }
1276                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1277         }
1278
1279         if (ASIC_IS_R300(rdev)) {
1280                 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1281                 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1282         } else if (rdev->family != CHIP_R200)
1283                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1284         else if (rdev->family == CHIP_R200)
1285                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1286
1287         if (rdev->family >= CHIP_R200)
1288                 WREG32(RADEON_DISP_TV_OUT_CNTL, disp_tv_out_cntl);
1289
1290         if (is_tv)
1291                 radeon_legacy_tv_mode_set(encoder, mode, adjusted_mode);
1292
1293         if (rdev->is_atom_bios)
1294                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1295         else
1296                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1297
1298 }
1299
1300 static bool r300_legacy_tv_detect(struct drm_encoder *encoder,
1301                                   struct drm_connector *connector)
1302 {
1303         struct drm_device *dev = encoder->dev;
1304         struct radeon_device *rdev = dev->dev_private;
1305         uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1306         uint32_t disp_output_cntl, gpiopad_a, tmp;
1307         bool found = false;
1308
1309         /* save regs needed */
1310         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1311         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1312         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1313         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1314         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1315         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1316
1317         WREG32_P(RADEON_GPIOPAD_A, 0, ~1);
1318
1319         WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL);
1320
1321         WREG32(RADEON_CRTC2_GEN_CNTL,
1322                RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_VSYNC_TRISTAT);
1323
1324         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1325         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1326         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1327
1328         WREG32(RADEON_DAC_EXT_CNTL,
1329                RADEON_DAC2_FORCE_BLANK_OFF_EN |
1330                RADEON_DAC2_FORCE_DATA_EN |
1331                RADEON_DAC_FORCE_DATA_SEL_RGB |
1332                (0xec << RADEON_DAC_FORCE_DATA_SHIFT));
1333
1334         WREG32(RADEON_TV_DAC_CNTL,
1335                RADEON_TV_DAC_STD_NTSC |
1336                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1337                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1338
1339         RREG32(RADEON_TV_DAC_CNTL);
1340         mdelay(4);
1341
1342         WREG32(RADEON_TV_DAC_CNTL,
1343                RADEON_TV_DAC_NBLANK |
1344                RADEON_TV_DAC_NHOLD |
1345                RADEON_TV_MONITOR_DETECT_EN |
1346                RADEON_TV_DAC_STD_NTSC |
1347                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1348                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1349
1350         RREG32(RADEON_TV_DAC_CNTL);
1351         mdelay(6);
1352
1353         tmp = RREG32(RADEON_TV_DAC_CNTL);
1354         if ((tmp & RADEON_TV_DAC_GDACDET) != 0) {
1355                 found = true;
1356                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1357         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1358                 found = true;
1359                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1360         }
1361
1362         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1363         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1364         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1365         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1366         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1367         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1368         return found;
1369 }
1370
1371 static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
1372                                     struct drm_connector *connector)
1373 {
1374         struct drm_device *dev = encoder->dev;
1375         struct radeon_device *rdev = dev->dev_private;
1376         uint32_t tv_dac_cntl, dac_cntl2;
1377         uint32_t config_cntl, tv_pre_dac_mux_cntl, tv_master_cntl, tmp;
1378         bool found = false;
1379
1380         if (ASIC_IS_R300(rdev))
1381                 return r300_legacy_tv_detect(encoder, connector);
1382
1383         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1384         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1385         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1386         config_cntl = RREG32(RADEON_CONFIG_CNTL);
1387         tv_pre_dac_mux_cntl = RREG32(RADEON_TV_PRE_DAC_MUX_CNTL);
1388
1389         tmp = dac_cntl2 & ~RADEON_DAC2_DAC2_CLK_SEL;
1390         WREG32(RADEON_DAC_CNTL2, tmp);
1391
1392         tmp = tv_master_cntl | RADEON_TV_ON;
1393         tmp &= ~(RADEON_TV_ASYNC_RST |
1394                  RADEON_RESTART_PHASE_FIX |
1395                  RADEON_CRT_FIFO_CE_EN |
1396                  RADEON_TV_FIFO_CE_EN |
1397                  RADEON_RE_SYNC_NOW_SEL_MASK);
1398         tmp |= RADEON_TV_FIFO_ASYNC_RST | RADEON_CRT_ASYNC_RST;
1399         WREG32(RADEON_TV_MASTER_CNTL, tmp);
1400
1401         tmp = RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD |
1402                 RADEON_TV_MONITOR_DETECT_EN | RADEON_TV_DAC_STD_NTSC |
1403                 (8 << RADEON_TV_DAC_BGADJ_SHIFT);
1404
1405         if (config_cntl & RADEON_CFG_ATI_REV_ID_MASK)
1406                 tmp |= (4 << RADEON_TV_DAC_DACADJ_SHIFT);
1407         else
1408                 tmp |= (8 << RADEON_TV_DAC_DACADJ_SHIFT);
1409         WREG32(RADEON_TV_DAC_CNTL, tmp);
1410
1411         tmp = RADEON_C_GRN_EN | RADEON_CMP_BLU_EN |
1412                 RADEON_RED_MX_FORCE_DAC_DATA |
1413                 RADEON_GRN_MX_FORCE_DAC_DATA |
1414                 RADEON_BLU_MX_FORCE_DAC_DATA |
1415                 (0x109 << RADEON_TV_FORCE_DAC_DATA_SHIFT);
1416         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tmp);
1417
1418         mdelay(3);
1419         tmp = RREG32(RADEON_TV_DAC_CNTL);
1420         if (tmp & RADEON_TV_DAC_GDACDET) {
1421                 found = true;
1422                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1423         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1424                 found = true;
1425                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1426         }
1427
1428         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tv_pre_dac_mux_cntl);
1429         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1430         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1431         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1432         return found;
1433 }
1434
1435 static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder,
1436                                          struct drm_connector *connector)
1437 {
1438         struct drm_device *dev = encoder->dev;
1439         struct radeon_device *rdev = dev->dev_private;
1440         uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl;
1441         uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c;
1442         uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f;
1443         uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp;
1444         uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid;
1445         bool found = false;
1446         int i;
1447
1448         /* save the regs we need */
1449         gpio_monid = RREG32(RADEON_GPIO_MONID);
1450         fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1451         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1452         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1453         disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A);
1454         disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B);
1455         disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C);
1456         disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D);
1457         disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E);
1458         disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F);
1459         crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP);
1460         crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP);
1461         crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID);
1462         crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID);
1463
1464         tmp = RREG32(RADEON_GPIO_MONID);
1465         tmp &= ~RADEON_GPIO_A_0;
1466         WREG32(RADEON_GPIO_MONID, tmp);
1467
1468         WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON |
1469                                      RADEON_FP2_PANEL_FORMAT |
1470                                      R200_FP2_SOURCE_SEL_TRANS_UNIT |
1471                                      RADEON_FP2_DVO_EN |
1472                                      R200_FP2_DVO_RATE_SEL_SDR));
1473
1474         WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX |
1475                                          RADEON_DISP_TRANS_MATRIX_GRAPHICS));
1476
1477         WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
1478                                        RADEON_CRTC2_DISP_REQ_EN_B));
1479
1480         WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000);
1481         WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0);
1482         WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000);
1483         WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0);
1484         WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000);
1485         WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0);
1486
1487         WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008);
1488         WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800);
1489         WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001);
1490         WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080);
1491
1492         for (i = 0; i < 200; i++) {
1493                 tmp = RREG32(RADEON_GPIO_MONID);
1494                 if (tmp & RADEON_GPIO_Y_0)
1495                         found = true;
1496
1497                 if (found)
1498                         break;
1499
1500                 if (!drm_can_sleep())
1501                         mdelay(1);
1502                 else
1503                         msleep(1);
1504         }
1505
1506         /* restore the regs we used */
1507         WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a);
1508         WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b);
1509         WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c);
1510         WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d);
1511         WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e);
1512         WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f);
1513         WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp);
1514         WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp);
1515         WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid);
1516         WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid);
1517         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1518         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1519         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1520         WREG32(RADEON_GPIO_MONID, gpio_monid);
1521
1522         return found;
1523 }
1524
1525 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
1526                                                              struct drm_connector *connector)
1527 {
1528         struct drm_device *dev = encoder->dev;
1529         struct radeon_device *rdev = dev->dev_private;
1530         uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1531         uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
1532         uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0;
1533         enum drm_connector_status found = connector_status_disconnected;
1534         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1535         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1536         bool color = true;
1537         struct drm_crtc *crtc;
1538
1539         /* find out if crtc2 is in use or if this encoder is using it */
1540         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1541                 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1542                 if ((radeon_crtc->crtc_id == 1) && crtc->enabled) {
1543                         if (encoder->crtc != crtc) {
1544                                 return connector_status_disconnected;
1545                         }
1546                 }
1547         }
1548
1549         if (connector->connector_type == DRM_MODE_CONNECTOR_SVIDEO ||
1550             connector->connector_type == DRM_MODE_CONNECTOR_Composite ||
1551             connector->connector_type == DRM_MODE_CONNECTOR_9PinDIN) {
1552                 bool tv_detect;
1553
1554                 if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT))
1555                         return connector_status_disconnected;
1556
1557                 tv_detect = radeon_legacy_tv_detect(encoder, connector);
1558                 if (tv_detect && tv_dac)
1559                         found = connector_status_connected;
1560                 return found;
1561         }
1562
1563         /* don't probe if the encoder is being used for something else not CRT related */
1564         if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_CRT_SUPPORT)) {
1565                 DRM_INFO("not detecting due to %08x\n", radeon_encoder->active_device);
1566                 return connector_status_disconnected;
1567         }
1568
1569         /* R200 uses an external DAC for secondary DAC */
1570         if (rdev->family == CHIP_R200) {
1571                 if (radeon_legacy_ext_dac_detect(encoder, connector))
1572                         found = connector_status_connected;
1573                 return found;
1574         }
1575
1576         /* save the regs we need */
1577         pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
1578
1579         if (rdev->flags & RADEON_SINGLE_CRTC) {
1580                 crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
1581         } else {
1582                 if (ASIC_IS_R300(rdev)) {
1583                         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1584                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1585                 } else {
1586                         disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1587                 }
1588                 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1589         }
1590         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1591         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1592         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1593
1594         tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb
1595                                | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
1596         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
1597
1598         if (rdev->flags & RADEON_SINGLE_CRTC) {
1599                 tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
1600                 WREG32(RADEON_CRTC_EXT_CNTL, tmp);
1601         } else {
1602                 tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
1603                 tmp |= RADEON_CRTC2_CRT2_ON |
1604                         (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
1605                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
1606
1607                 if (ASIC_IS_R300(rdev)) {
1608                         WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
1609                         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1610                         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1611                         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1612                 } else {
1613                         tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
1614                         WREG32(RADEON_DISP_HW_DEBUG, tmp);
1615                 }
1616         }
1617
1618         tmp = RADEON_TV_DAC_NBLANK |
1619                 RADEON_TV_DAC_NHOLD |
1620                 RADEON_TV_MONITOR_DETECT_EN |
1621                 RADEON_TV_DAC_STD_PS2;
1622
1623         WREG32(RADEON_TV_DAC_CNTL, tmp);
1624
1625         tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN |
1626                 RADEON_DAC2_FORCE_DATA_EN;
1627
1628         if (color)
1629                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
1630         else
1631                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
1632
1633         if (ASIC_IS_R300(rdev))
1634                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
1635         else
1636                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
1637
1638         WREG32(RADEON_DAC_EXT_CNTL, tmp);
1639
1640         tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN;
1641         WREG32(RADEON_DAC_CNTL2, tmp);
1642
1643         mdelay(10);
1644
1645         if (ASIC_IS_R300(rdev)) {
1646                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
1647                         found = connector_status_connected;
1648         } else {
1649                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT)
1650                         found = connector_status_connected;
1651         }
1652
1653         /* restore regs we used */
1654         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1655         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1656         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1657
1658         if (rdev->flags & RADEON_SINGLE_CRTC) {
1659                 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
1660         } else {
1661                 WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1662                 if (ASIC_IS_R300(rdev)) {
1663                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1664                         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1665                 } else {
1666                         WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1667                 }
1668         }
1669
1670         WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
1671
1672         return found;
1673
1674 }
1675
1676 static const struct drm_encoder_helper_funcs radeon_legacy_tv_dac_helper_funcs = {
1677         .dpms = radeon_legacy_tv_dac_dpms,
1678         .mode_fixup = radeon_legacy_mode_fixup,
1679         .prepare = radeon_legacy_tv_dac_prepare,
1680         .mode_set = radeon_legacy_tv_dac_mode_set,
1681         .commit = radeon_legacy_tv_dac_commit,
1682         .detect = radeon_legacy_tv_dac_detect,
1683         .disable = radeon_legacy_encoder_disable,
1684 };
1685
1686
1687 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = {
1688         .destroy = radeon_enc_destroy,
1689 };
1690
1691
1692 static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon_encoder *encoder)
1693 {
1694         struct drm_device *dev = encoder->base.dev;
1695         struct radeon_device *rdev = dev->dev_private;
1696         struct radeon_encoder_int_tmds *tmds = NULL;
1697         bool ret;
1698
1699         tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1700
1701         if (!tmds)
1702                 return NULL;
1703
1704         if (rdev->is_atom_bios)
1705                 ret = radeon_atombios_get_tmds_info(encoder, tmds);
1706         else
1707                 ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1708
1709         if (ret == false)
1710                 radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1711
1712         return tmds;
1713 }
1714
1715 static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct radeon_encoder *encoder)
1716 {
1717         struct drm_device *dev = encoder->base.dev;
1718         struct radeon_device *rdev = dev->dev_private;
1719         struct radeon_encoder_ext_tmds *tmds = NULL;
1720         bool ret;
1721
1722         if (rdev->is_atom_bios)
1723                 return NULL;
1724
1725         tmds = kzalloc(sizeof(struct radeon_encoder_ext_tmds), GFP_KERNEL);
1726
1727         if (!tmds)
1728                 return NULL;
1729
1730         ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds);
1731
1732         if (ret == false)
1733                 radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds);
1734
1735         return tmds;
1736 }
1737
1738 void
1739 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
1740 {
1741         struct radeon_device *rdev = dev->dev_private;
1742         struct drm_encoder *encoder;
1743         struct radeon_encoder *radeon_encoder;
1744
1745         /* see if we already added it */
1746         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1747                 radeon_encoder = to_radeon_encoder(encoder);
1748                 if (radeon_encoder->encoder_enum == encoder_enum) {
1749                         radeon_encoder->devices |= supported_device;
1750                         return;
1751                 }
1752
1753         }
1754
1755         /* add a new one */
1756         radeon_encoder = kzalloc(sizeof(struct radeon_encoder), GFP_KERNEL);
1757         if (!radeon_encoder)
1758                 return;
1759
1760         encoder = &radeon_encoder->base;
1761         if (rdev->flags & RADEON_SINGLE_CRTC)
1762                 encoder->possible_crtcs = 0x1;
1763         else
1764                 encoder->possible_crtcs = 0x3;
1765
1766         radeon_encoder->enc_priv = NULL;
1767
1768         radeon_encoder->encoder_enum = encoder_enum;
1769         radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
1770         radeon_encoder->devices = supported_device;
1771         radeon_encoder->rmx_type = RMX_OFF;
1772
1773         switch (radeon_encoder->encoder_id) {
1774         case ENCODER_OBJECT_ID_INTERNAL_LVDS:
1775                 encoder->possible_crtcs = 0x1;
1776                 drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs,
1777                                  DRM_MODE_ENCODER_LVDS, NULL);
1778                 drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs);
1779                 if (rdev->is_atom_bios)
1780                         radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder);
1781                 else
1782                         radeon_encoder->enc_priv = radeon_combios_get_lvds_info(radeon_encoder);
1783                 radeon_encoder->rmx_type = RMX_FULL;
1784                 break;
1785         case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
1786                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_int_enc_funcs,
1787                                  DRM_MODE_ENCODER_TMDS, NULL);
1788                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_int_helper_funcs);
1789                 radeon_encoder->enc_priv = radeon_legacy_get_tmds_info(radeon_encoder);
1790                 break;
1791         case ENCODER_OBJECT_ID_INTERNAL_DAC1:
1792                 drm_encoder_init(dev, encoder, &radeon_legacy_primary_dac_enc_funcs,
1793                                  DRM_MODE_ENCODER_DAC, NULL);
1794                 drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs);
1795                 if (rdev->is_atom_bios)
1796                         radeon_encoder->enc_priv = radeon_atombios_get_primary_dac_info(radeon_encoder);
1797                 else
1798                         radeon_encoder->enc_priv = radeon_combios_get_primary_dac_info(radeon_encoder);
1799                 break;
1800         case ENCODER_OBJECT_ID_INTERNAL_DAC2:
1801                 drm_encoder_init(dev, encoder, &radeon_legacy_tv_dac_enc_funcs,
1802                                  DRM_MODE_ENCODER_TVDAC, NULL);
1803                 drm_encoder_helper_add(encoder, &radeon_legacy_tv_dac_helper_funcs);
1804                 if (rdev->is_atom_bios)
1805                         radeon_encoder->enc_priv = radeon_atombios_get_tv_dac_info(radeon_encoder);
1806                 else
1807                         radeon_encoder->enc_priv = radeon_combios_get_tv_dac_info(radeon_encoder);
1808                 break;
1809         case ENCODER_OBJECT_ID_INTERNAL_DVO1:
1810                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_ext_enc_funcs,
1811                                  DRM_MODE_ENCODER_TMDS, NULL);
1812                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_ext_helper_funcs);
1813                 if (!rdev->is_atom_bios)
1814                         radeon_encoder->enc_priv = radeon_legacy_get_ext_tmds_info(radeon_encoder);
1815                 break;
1816         }
1817 }