radeon_legacy_tv.c revision 1.2
1#include <drm/drmP.h>
2#include <drm/drm_crtc_helper.h>
3#include "radeon.h"
4
5/*
6 * Integrated TV out support based on the GATOS code by
7 * Federico Ulivi <fulivi@lycos.com>
8 */
9
10
11/*
12 * Limits of h/v positions (hPos & vPos)
13 */
14#define MAX_H_POSITION 5 /* Range: [-5..5], negative is on the left, 0 is default, positive is on the right */
15#define MAX_V_POSITION 5 /* Range: [-5..5], negative is up, 0 is default, positive is down */
16
17/*
18 * Unit for hPos (in TV clock periods)
19 */
20#define H_POS_UNIT 10
21
22/*
23 * Indexes in h. code timing table for horizontal line position adjustment
24 */
25#define H_TABLE_POS1 6
26#define H_TABLE_POS2 8
27
28/*
29 * Limits of hor. size (hSize)
30 */
31#define MAX_H_SIZE 5 /* Range: [-5..5], negative is smaller, positive is larger */
32
33/* tv standard constants */
34#define NTSC_TV_CLOCK_T 233
35#define NTSC_TV_VFTOTAL 1
36#define NTSC_TV_LINES_PER_FRAME 525
37#define NTSC_TV_ZERO_H_SIZE 479166
38#define NTSC_TV_H_SIZE_UNIT 9478
39
40#define PAL_TV_CLOCK_T 188
41#define PAL_TV_VFTOTAL 3
42#define PAL_TV_LINES_PER_FRAME 625
43#define PAL_TV_ZERO_H_SIZE 473200
44#define PAL_TV_H_SIZE_UNIT 9360
45
46/* tv pll setting for 27 mhz ref clk */
47#define NTSC_TV_PLL_M_27 22
48#define NTSC_TV_PLL_N_27 175
49#define NTSC_TV_PLL_P_27 5
50
51#define PAL_TV_PLL_M_27 113
52#define PAL_TV_PLL_N_27 668
53#define PAL_TV_PLL_P_27 3
54
55/* tv pll setting for 14 mhz ref clk */
56#define NTSC_TV_PLL_M_14 33
57#define NTSC_TV_PLL_N_14 693
58#define NTSC_TV_PLL_P_14 7
59
60#define PAL_TV_PLL_M_14 19
61#define PAL_TV_PLL_N_14 353
62#define PAL_TV_PLL_P_14 5
63
64#define VERT_LEAD_IN_LINES 2
65#define FRAC_BITS 0xe
66#define FRAC_MASK 0x3fff
67
68struct radeon_tv_mode_constants {
69	uint16_t hor_resolution;
70	uint16_t ver_resolution;
71	enum radeon_tv_std standard;
72	uint16_t hor_total;
73	uint16_t ver_total;
74	uint16_t hor_start;
75	uint16_t hor_syncstart;
76	uint16_t ver_syncstart;
77	unsigned def_restart;
78	uint16_t crtcPLL_N;
79	uint8_t  crtcPLL_M;
80	uint8_t  crtcPLL_post_div;
81	unsigned pix_to_tv;
82};
83
84static const uint16_t hor_timing_NTSC[MAX_H_CODE_TIMING_LEN] = {
85	0x0007,
86	0x003f,
87	0x0263,
88	0x0a24,
89	0x2a6b,
90	0x0a36,
91	0x126d, /* H_TABLE_POS1 */
92	0x1bfe,
93	0x1a8f, /* H_TABLE_POS2 */
94	0x1ec7,
95	0x3863,
96	0x1bfe,
97	0x1bfe,
98	0x1a2a,
99	0x1e95,
100	0x0e31,
101	0x201b,
102	0
103};
104
105static const uint16_t vert_timing_NTSC[MAX_V_CODE_TIMING_LEN] = {
106	0x2001,
107	0x200d,
108	0x1006,
109	0x0c06,
110	0x1006,
111	0x1818,
112	0x21e3,
113	0x1006,
114	0x0c06,
115	0x1006,
116	0x1817,
117	0x21d4,
118	0x0002,
119	0
120};
121
122static const uint16_t hor_timing_PAL[MAX_H_CODE_TIMING_LEN] = {
123	0x0007,
124	0x0058,
125	0x027c,
126	0x0a31,
127	0x2a77,
128	0x0a95,
129	0x124f, /* H_TABLE_POS1 */
130	0x1bfe,
131	0x1b22, /* H_TABLE_POS2 */
132	0x1ef9,
133	0x387c,
134	0x1bfe,
135	0x1bfe,
136	0x1b31,
137	0x1eb5,
138	0x0e43,
139	0x201b,
140	0
141};
142
143static const uint16_t vert_timing_PAL[MAX_V_CODE_TIMING_LEN] = {
144	0x2001,
145	0x200c,
146	0x1005,
147	0x0c05,
148	0x1005,
149	0x1401,
150	0x1821,
151	0x2240,
152	0x1005,
153	0x0c05,
154	0x1005,
155	0x1401,
156	0x1822,
157	0x2230,
158	0x0002,
159	0
160};
161
162/**********************************************************************
163 *
164 * availableModes
165 *
166 * Table of all allowed modes for tv output
167 *
168 **********************************************************************/
169static const struct radeon_tv_mode_constants available_tv_modes[] = {
170	{   /* NTSC timing for 27 Mhz ref clk */
171		800,                /* horResolution */
172		600,                /* verResolution */
173		TV_STD_NTSC,        /* standard */
174		990,                /* horTotal */
175		740,                /* verTotal */
176		813,                /* horStart */
177		824,                /* horSyncStart */
178		632,                /* verSyncStart */
179		625592,             /* defRestart */
180		592,                /* crtcPLL_N */
181		91,                 /* crtcPLL_M */
182		4,                  /* crtcPLL_postDiv */
183		1022,               /* pixToTV */
184	},
185	{   /* PAL timing for 27 Mhz ref clk */
186		800,               /* horResolution */
187		600,               /* verResolution */
188		TV_STD_PAL,        /* standard */
189		1144,              /* horTotal */
190		706,               /* verTotal */
191		812,               /* horStart */
192		824,               /* horSyncStart */
193		669,               /* verSyncStart */
194		696700,            /* defRestart */
195		1382,              /* crtcPLL_N */
196		231,               /* crtcPLL_M */
197		4,                 /* crtcPLL_postDiv */
198		759,               /* pixToTV */
199	},
200	{   /* NTSC timing for 14 Mhz ref clk */
201		800,                /* horResolution */
202		600,                /* verResolution */
203		TV_STD_NTSC,        /* standard */
204		1018,               /* horTotal */
205		727,                /* verTotal */
206		813,                /* horStart */
207		840,                /* horSyncStart */
208		633,                /* verSyncStart */
209		630627,             /* defRestart */
210		347,                /* crtcPLL_N */
211		14,                 /* crtcPLL_M */
212		8,                  /* crtcPLL_postDiv */
213		1022,               /* pixToTV */
214	},
215	{ /* PAL timing for 14 Mhz ref clk */
216		800,                /* horResolution */
217		600,                /* verResolution */
218		TV_STD_PAL,         /* standard */
219		1131,               /* horTotal */
220		742,                /* verTotal */
221		813,                /* horStart */
222		840,                /* horSyncStart */
223		633,                /* verSyncStart */
224		708369,             /* defRestart */
225		211,                /* crtcPLL_N */
226		9,                  /* crtcPLL_M */
227		8,                  /* crtcPLL_postDiv */
228		759,                /* pixToTV */
229	},
230};
231
232#define N_AVAILABLE_MODES ARRAY_SIZE(available_tv_modes)
233
234static const struct radeon_tv_mode_constants *radeon_legacy_tv_get_std_mode(struct radeon_encoder *radeon_encoder,
235									    uint16_t *pll_ref_freq)
236{
237	struct drm_device *dev = radeon_encoder->base.dev;
238	struct radeon_device *rdev = dev->dev_private;
239	struct radeon_crtc *radeon_crtc;
240	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
241	const struct radeon_tv_mode_constants *const_ptr;
242	struct radeon_pll *pll;
243
244	radeon_crtc = to_radeon_crtc(radeon_encoder->base.crtc);
245	if (radeon_crtc->crtc_id == 1)
246		pll = &rdev->clock.p2pll;
247	else
248		pll = &rdev->clock.p1pll;
249
250	if (pll_ref_freq)
251		*pll_ref_freq = pll->reference_freq;
252
253	if (tv_dac->tv_std == TV_STD_NTSC ||
254	    tv_dac->tv_std == TV_STD_NTSC_J ||
255	    tv_dac->tv_std == TV_STD_PAL_M) {
256		if (pll->reference_freq == 2700)
257			const_ptr = &available_tv_modes[0];
258		else
259			const_ptr = &available_tv_modes[2];
260	} else {
261		if (pll->reference_freq == 2700)
262			const_ptr = &available_tv_modes[1];
263		else
264			const_ptr = &available_tv_modes[3];
265	}
266	return const_ptr;
267}
268
269static long YCOEF_value[5] = { 2, 2, 0, 4, 0 };
270static long YCOEF_EN_value[5] = { 1, 1, 0, 1, 0 };
271static long SLOPE_value[5] = { 1, 2, 2, 4, 8 };
272static long SLOPE_limit[5] = { 6, 5, 4, 3, 2 };
273
274static void radeon_wait_pll_lock(struct drm_encoder *encoder, unsigned n_tests,
275				 unsigned n_wait_loops, unsigned cnt_threshold)
276{
277	struct drm_device *dev = encoder->dev;
278	struct radeon_device *rdev = dev->dev_private;
279	uint32_t save_pll_test;
280	unsigned int i, j;
281
282	WREG32(RADEON_TEST_DEBUG_MUX, (RREG32(RADEON_TEST_DEBUG_MUX) & 0xffff60ff) | 0x100);
283	save_pll_test = RREG32_PLL(RADEON_PLL_TEST_CNTL);
284	WREG32_PLL(RADEON_PLL_TEST_CNTL, save_pll_test & ~RADEON_PLL_MASK_READ_B);
285
286	WREG8(RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_TEST_CNTL);
287	for (i = 0; i < n_tests; i++) {
288		WREG8(RADEON_CLOCK_CNTL_DATA + 3, 0);
289		for (j = 0; j < n_wait_loops; j++)
290			if (RREG8(RADEON_CLOCK_CNTL_DATA + 3) >= cnt_threshold)
291				break;
292	}
293	WREG32_PLL(RADEON_PLL_TEST_CNTL, save_pll_test);
294	WREG32(RADEON_TEST_DEBUG_MUX, RREG32(RADEON_TEST_DEBUG_MUX) & 0xffffe0ff);
295}
296
297
298static void radeon_legacy_tv_write_fifo(struct radeon_encoder *radeon_encoder,
299					uint16_t addr, uint32_t value)
300{
301	struct drm_device *dev = radeon_encoder->base.dev;
302	struct radeon_device *rdev = dev->dev_private;
303	uint32_t tmp;
304	int i = 0;
305
306	WREG32(RADEON_TV_HOST_WRITE_DATA, value);
307
308	WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr);
309	WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr | RADEON_HOST_FIFO_WT);
310
311	do {
312		tmp = RREG32(RADEON_TV_HOST_RD_WT_CNTL);
313		if ((tmp & RADEON_HOST_FIFO_WT_ACK) == 0)
314			break;
315		i++;
316	} while (i < 10000);
317	WREG32(RADEON_TV_HOST_RD_WT_CNTL, 0);
318}
319
320#if 0 /* included for completeness */
321static uint32_t radeon_legacy_tv_read_fifo(struct radeon_encoder *radeon_encoder, uint16_t addr)
322{
323	struct drm_device *dev = radeon_encoder->base.dev;
324	struct radeon_device *rdev = dev->dev_private;
325	uint32_t tmp;
326	int i = 0;
327
328	WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr);
329	WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr | RADEON_HOST_FIFO_RD);
330
331	do {
332		tmp = RREG32(RADEON_TV_HOST_RD_WT_CNTL);
333		if ((tmp & RADEON_HOST_FIFO_RD_ACK) == 0)
334			break;
335		i++;
336	} while (i < 10000);
337	WREG32(RADEON_TV_HOST_RD_WT_CNTL, 0);
338	return RREG32(RADEON_TV_HOST_READ_DATA);
339}
340#endif
341
342static uint16_t radeon_get_htiming_tables_addr(uint32_t tv_uv_adr)
343{
344	uint16_t h_table;
345
346	switch ((tv_uv_adr & RADEON_HCODE_TABLE_SEL_MASK) >> RADEON_HCODE_TABLE_SEL_SHIFT) {
347	case 0:
348		h_table = RADEON_TV_MAX_FIFO_ADDR_INTERNAL;
349		break;
350	case 1:
351		h_table = ((tv_uv_adr & RADEON_TABLE1_BOT_ADR_MASK) >> RADEON_TABLE1_BOT_ADR_SHIFT) * 2;
352		break;
353	case 2:
354		h_table = ((tv_uv_adr & RADEON_TABLE3_TOP_ADR_MASK) >> RADEON_TABLE3_TOP_ADR_SHIFT) * 2;
355		break;
356	default:
357		h_table = 0;
358		break;
359	}
360	return h_table;
361}
362
363static uint16_t radeon_get_vtiming_tables_addr(uint32_t tv_uv_adr)
364{
365	uint16_t v_table;
366
367	switch ((tv_uv_adr & RADEON_VCODE_TABLE_SEL_MASK) >> RADEON_VCODE_TABLE_SEL_SHIFT) {
368	case 0:
369		v_table = ((tv_uv_adr & RADEON_MAX_UV_ADR_MASK) >> RADEON_MAX_UV_ADR_SHIFT) * 2 + 1;
370		break;
371	case 1:
372		v_table = ((tv_uv_adr & RADEON_TABLE1_BOT_ADR_MASK) >> RADEON_TABLE1_BOT_ADR_SHIFT) * 2 + 1;
373		break;
374	case 2:
375		v_table = ((tv_uv_adr & RADEON_TABLE3_TOP_ADR_MASK) >> RADEON_TABLE3_TOP_ADR_SHIFT) * 2 + 1;
376		break;
377	default:
378		v_table = 0;
379		break;
380	}
381	return v_table;
382}
383
384static void radeon_restore_tv_timing_tables(struct radeon_encoder *radeon_encoder)
385{
386	struct drm_device *dev = radeon_encoder->base.dev;
387	struct radeon_device *rdev = dev->dev_private;
388	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
389	uint16_t h_table, v_table;
390	uint32_t tmp;
391	int i;
392
393	WREG32(RADEON_TV_UV_ADR, tv_dac->tv.tv_uv_adr);
394	h_table = radeon_get_htiming_tables_addr(tv_dac->tv.tv_uv_adr);
395	v_table = radeon_get_vtiming_tables_addr(tv_dac->tv.tv_uv_adr);
396
397	for (i = 0; i < MAX_H_CODE_TIMING_LEN; i += 2, h_table--) {
398		tmp = ((uint32_t)tv_dac->tv.h_code_timing[i] << 14) | ((uint32_t)tv_dac->tv.h_code_timing[i+1]);
399		radeon_legacy_tv_write_fifo(radeon_encoder, h_table, tmp);
400		if (tv_dac->tv.h_code_timing[i] == 0 || tv_dac->tv.h_code_timing[i + 1] == 0)
401			break;
402	}
403	for (i = 0; i < MAX_V_CODE_TIMING_LEN; i += 2, v_table++) {
404		tmp = ((uint32_t)tv_dac->tv.v_code_timing[i+1] << 14) | ((uint32_t)tv_dac->tv.v_code_timing[i]);
405		radeon_legacy_tv_write_fifo(radeon_encoder, v_table, tmp);
406		if (tv_dac->tv.v_code_timing[i] == 0 || tv_dac->tv.v_code_timing[i + 1] == 0)
407			break;
408	}
409}
410
411static void radeon_legacy_write_tv_restarts(struct radeon_encoder *radeon_encoder)
412{
413	struct drm_device *dev = radeon_encoder->base.dev;
414	struct radeon_device *rdev = dev->dev_private;
415	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
416	WREG32(RADEON_TV_FRESTART, tv_dac->tv.frestart);
417	WREG32(RADEON_TV_HRESTART, tv_dac->tv.hrestart);
418	WREG32(RADEON_TV_VRESTART, tv_dac->tv.vrestart);
419}
420
421static bool radeon_legacy_tv_init_restarts(struct drm_encoder *encoder)
422{
423	struct drm_device *dev = encoder->dev;
424	struct radeon_device *rdev = dev->dev_private;
425	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
426	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
427	struct radeon_crtc *radeon_crtc;
428	int restart;
429	unsigned int h_total, v_total, f_total;
430	int v_offset, h_offset;
431	u16 p1, p2, h_inc;
432	bool h_changed;
433	const struct radeon_tv_mode_constants *const_ptr;
434	struct radeon_pll *pll __unused;
435
436	radeon_crtc = to_radeon_crtc(radeon_encoder->base.crtc);
437	if (radeon_crtc->crtc_id == 1)
438		pll = &rdev->clock.p2pll;
439	else
440		pll = &rdev->clock.p1pll;
441
442	const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL);
443	if (!const_ptr)
444		return false;
445
446	h_total = const_ptr->hor_total;
447	v_total = const_ptr->ver_total;
448
449	if (tv_dac->tv_std == TV_STD_NTSC ||
450	    tv_dac->tv_std == TV_STD_NTSC_J ||
451	    tv_dac->tv_std == TV_STD_PAL_M ||
452	    tv_dac->tv_std == TV_STD_PAL_60)
453		f_total = NTSC_TV_VFTOTAL + 1;
454	else
455		f_total = PAL_TV_VFTOTAL + 1;
456
457	/* adjust positions 1&2 in hor. cod timing table */
458	h_offset = tv_dac->h_pos * H_POS_UNIT;
459
460	if (tv_dac->tv_std == TV_STD_NTSC ||
461	    tv_dac->tv_std == TV_STD_NTSC_J ||
462	    tv_dac->tv_std == TV_STD_PAL_M) {
463		h_offset -= 50;
464		p1 = hor_timing_NTSC[H_TABLE_POS1];
465		p2 = hor_timing_NTSC[H_TABLE_POS2];
466	} else {
467		p1 = hor_timing_PAL[H_TABLE_POS1];
468		p2 = hor_timing_PAL[H_TABLE_POS2];
469	}
470
471	p1 = (u16)((int)p1 + h_offset);
472	p2 = (u16)((int)p2 - h_offset);
473
474	h_changed = (p1 != tv_dac->tv.h_code_timing[H_TABLE_POS1] ||
475		     p2 != tv_dac->tv.h_code_timing[H_TABLE_POS2]);
476
477	tv_dac->tv.h_code_timing[H_TABLE_POS1] = p1;
478	tv_dac->tv.h_code_timing[H_TABLE_POS2] = p2;
479
480	/* Convert hOffset from n. of TV clock periods to n. of CRTC clock periods (CRTC pixels) */
481	h_offset = (h_offset * (int)(const_ptr->pix_to_tv)) / 1000;
482
483	/* adjust restart */
484	restart = const_ptr->def_restart;
485
486	/*
487	 * convert v_pos TV lines to n. of CRTC pixels
488	 */
489	if (tv_dac->tv_std == TV_STD_NTSC ||
490	    tv_dac->tv_std == TV_STD_NTSC_J ||
491	    tv_dac->tv_std == TV_STD_PAL_M ||
492	    tv_dac->tv_std == TV_STD_PAL_60)
493		v_offset = ((int)(v_total * h_total) * 2 * tv_dac->v_pos) / (int)(NTSC_TV_LINES_PER_FRAME);
494	else
495		v_offset = ((int)(v_total * h_total) * 2 * tv_dac->v_pos) / (int)(PAL_TV_LINES_PER_FRAME);
496
497	restart -= v_offset + h_offset;
498
499	DRM_DEBUG_KMS("compute_restarts: def = %u h = %d v = %d, p1 = %04x, p2 = %04x, restart = %d\n",
500		  const_ptr->def_restart, tv_dac->h_pos, tv_dac->v_pos, p1, p2, restart);
501
502	tv_dac->tv.hrestart = restart % h_total;
503	restart /= h_total;
504	tv_dac->tv.vrestart = restart % v_total;
505	restart /= v_total;
506	tv_dac->tv.frestart = restart % f_total;
507
508	DRM_DEBUG_KMS("compute_restart: F/H/V=%u,%u,%u\n",
509		  (unsigned)tv_dac->tv.frestart,
510		  (unsigned)tv_dac->tv.vrestart,
511		  (unsigned)tv_dac->tv.hrestart);
512
513	/* compute h_inc from hsize */
514	if (tv_dac->tv_std == TV_STD_NTSC ||
515	    tv_dac->tv_std == TV_STD_NTSC_J ||
516	    tv_dac->tv_std == TV_STD_PAL_M)
517		h_inc = (u16)((int)(const_ptr->hor_resolution * 4096 * NTSC_TV_CLOCK_T) /
518			      (tv_dac->h_size * (int)(NTSC_TV_H_SIZE_UNIT) + (int)(NTSC_TV_ZERO_H_SIZE)));
519	else
520		h_inc = (u16)((int)(const_ptr->hor_resolution * 4096 * PAL_TV_CLOCK_T) /
521			      (tv_dac->h_size * (int)(PAL_TV_H_SIZE_UNIT) + (int)(PAL_TV_ZERO_H_SIZE)));
522
523	tv_dac->tv.timing_cntl = (tv_dac->tv.timing_cntl & ~RADEON_H_INC_MASK) |
524		((u32)h_inc << RADEON_H_INC_SHIFT);
525
526	DRM_DEBUG_KMS("compute_restart: h_size = %d h_inc = %d\n", tv_dac->h_size, h_inc);
527
528	return h_changed;
529}
530
531void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
532			       struct drm_display_mode *mode,
533			       struct drm_display_mode *adjusted_mode)
534{
535	struct drm_device *dev = encoder->dev;
536	struct radeon_device *rdev = dev->dev_private;
537	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
538	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
539	const struct radeon_tv_mode_constants *const_ptr;
540	struct radeon_crtc *radeon_crtc;
541	int i;
542	uint16_t pll_ref_freq;
543	uint32_t vert_space, flicker_removal, tmp;
544	uint32_t tv_master_cntl, tv_rgb_cntl, tv_dac_cntl;
545	uint32_t tv_modulator_cntl1, tv_modulator_cntl2;
546	uint32_t tv_vscaler_cntl1, tv_vscaler_cntl2;
547	uint32_t tv_pll_cntl, tv_pll_cntl1 __unused, tv_ftotal;
548	uint32_t tv_y_fall_cntl, tv_y_rise_cntl, tv_y_saw_tooth_cntl;
549	uint32_t m, n, p;
550	const uint16_t *hor_timing;
551	const uint16_t *vert_timing;
552
553	const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, &pll_ref_freq);
554	if (!const_ptr)
555		return;
556
557	radeon_crtc = to_radeon_crtc(encoder->crtc);
558
559	tv_master_cntl = (RADEON_VIN_ASYNC_RST |
560			  RADEON_CRT_FIFO_CE_EN |
561			  RADEON_TV_FIFO_CE_EN |
562			  RADEON_TV_ON);
563
564	if (!ASIC_IS_R300(rdev))
565		tv_master_cntl |= RADEON_TVCLK_ALWAYS_ONb;
566
567	if (tv_dac->tv_std == TV_STD_NTSC ||
568	    tv_dac->tv_std == TV_STD_NTSC_J)
569		tv_master_cntl |= RADEON_RESTART_PHASE_FIX;
570
571	tv_modulator_cntl1 = (RADEON_SLEW_RATE_LIMIT |
572			      RADEON_SYNC_TIP_LEVEL |
573			      RADEON_YFLT_EN |
574			      RADEON_UVFLT_EN |
575			      (6 << RADEON_CY_FILT_BLEND_SHIFT));
576
577	if (tv_dac->tv_std == TV_STD_NTSC ||
578	    tv_dac->tv_std == TV_STD_NTSC_J) {
579		tv_modulator_cntl1 |= (0x46 << RADEON_SET_UP_LEVEL_SHIFT) |
580			(0x3b << RADEON_BLANK_LEVEL_SHIFT);
581		tv_modulator_cntl2 = (-111 & RADEON_TV_U_BURST_LEVEL_MASK) |
582			((0 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT);
583	} else if (tv_dac->tv_std == TV_STD_SCART_PAL) {
584		tv_modulator_cntl1 |= RADEON_ALT_PHASE_EN;
585		tv_modulator_cntl2 = (0 & RADEON_TV_U_BURST_LEVEL_MASK) |
586			((0 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT);
587	} else {
588		tv_modulator_cntl1 |= RADEON_ALT_PHASE_EN |
589			(0x3b << RADEON_SET_UP_LEVEL_SHIFT) |
590			(0x3b << RADEON_BLANK_LEVEL_SHIFT);
591		tv_modulator_cntl2 = (-78 & RADEON_TV_U_BURST_LEVEL_MASK) |
592			((62 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT);
593	}
594
595
596	tv_rgb_cntl = (RADEON_RGB_DITHER_EN
597		       | RADEON_TVOUT_SCALE_EN
598		       | (0x0b << RADEON_UVRAM_READ_MARGIN_SHIFT)
599		       | (0x07 << RADEON_FIFORAM_FFMACRO_READ_MARGIN_SHIFT)
600		       | RADEON_RGB_ATTEN_SEL(0x3)
601		       | RADEON_RGB_ATTEN_VAL(0xc));
602
603	if (radeon_crtc->crtc_id == 1)
604		tv_rgb_cntl |= RADEON_RGB_SRC_SEL_CRTC2;
605	else {
606		if (radeon_crtc->rmx_type != RMX_OFF)
607			tv_rgb_cntl |= RADEON_RGB_SRC_SEL_RMX;
608		else
609			tv_rgb_cntl |= RADEON_RGB_SRC_SEL_CRTC1;
610	}
611
612	if (tv_dac->tv_std == TV_STD_NTSC ||
613	    tv_dac->tv_std == TV_STD_NTSC_J ||
614	    tv_dac->tv_std == TV_STD_PAL_M ||
615	    tv_dac->tv_std == TV_STD_PAL_60)
616		vert_space = const_ptr->ver_total * 2 * 10000 / NTSC_TV_LINES_PER_FRAME;
617	else
618		vert_space = const_ptr->ver_total * 2 * 10000 / PAL_TV_LINES_PER_FRAME;
619
620	tmp = RREG32(RADEON_TV_VSCALER_CNTL1);
621	tmp &= 0xe3ff0000;
622	tmp |= (vert_space * (1 << FRAC_BITS) / 10000);
623	tv_vscaler_cntl1 = tmp;
624
625	if (pll_ref_freq == 2700)
626		tv_vscaler_cntl1 |= RADEON_RESTART_FIELD;
627
628	if (const_ptr->hor_resolution == 1024)
629		tv_vscaler_cntl1 |= (4 << RADEON_Y_DEL_W_SIG_SHIFT);
630	else
631		tv_vscaler_cntl1 |= (2 << RADEON_Y_DEL_W_SIG_SHIFT);
632
633	/* scale up for int divide */
634	tmp = const_ptr->ver_total * 2 * 1000;
635	if (tv_dac->tv_std == TV_STD_NTSC ||
636	    tv_dac->tv_std == TV_STD_NTSC_J ||
637	    tv_dac->tv_std == TV_STD_PAL_M ||
638	    tv_dac->tv_std == TV_STD_PAL_60) {
639		tmp /= NTSC_TV_LINES_PER_FRAME;
640	} else {
641		tmp /= PAL_TV_LINES_PER_FRAME;
642	}
643	flicker_removal = (tmp + 500) / 1000;
644
645	if (flicker_removal < 3)
646		flicker_removal = 3;
647	for (i = 0; i < ARRAY_SIZE(SLOPE_limit); ++i) {
648		if (flicker_removal == SLOPE_limit[i])
649			break;
650	}
651
652	tv_y_saw_tooth_cntl = (vert_space * SLOPE_value[i] * (1 << (FRAC_BITS - 1)) +
653				5001) / 10000 / 8 | ((SLOPE_value[i] *
654				(1 << (FRAC_BITS - 1)) / 8) << 16);
655	tv_y_fall_cntl =
656		(YCOEF_EN_value[i] << 17) | ((YCOEF_value[i] * (1 << 8) / 8) << 24) |
657		RADEON_Y_FALL_PING_PONG | (272 * SLOPE_value[i] / 8) * (1 << (FRAC_BITS - 1)) /
658		1024;
659	tv_y_rise_cntl = RADEON_Y_RISE_PING_PONG|
660		(flicker_removal * 1024 - 272) * SLOPE_value[i] / 8 * (1 << (FRAC_BITS - 1)) / 1024;
661
662	tv_vscaler_cntl2 = RREG32(RADEON_TV_VSCALER_CNTL2) & 0x00fffff0;
663	tv_vscaler_cntl2 |= (0x10 << 24) |
664		RADEON_DITHER_MODE |
665		RADEON_Y_OUTPUT_DITHER_EN |
666		RADEON_UV_OUTPUT_DITHER_EN |
667		RADEON_UV_TO_BUF_DITHER_EN;
668
669	tmp = (tv_vscaler_cntl1 >> RADEON_UV_INC_SHIFT) & RADEON_UV_INC_MASK;
670	tmp = ((16384 * 256 * 10) / tmp + 5) / 10;
671	tmp = (tmp << RADEON_UV_OUTPUT_POST_SCALE_SHIFT) | 0x000b0000;
672	tv_dac->tv.timing_cntl = tmp;
673
674	if (tv_dac->tv_std == TV_STD_NTSC ||
675	    tv_dac->tv_std == TV_STD_NTSC_J ||
676	    tv_dac->tv_std == TV_STD_PAL_M ||
677	    tv_dac->tv_std == TV_STD_PAL_60)
678		tv_dac_cntl = tv_dac->ntsc_tvdac_adj;
679	else
680		tv_dac_cntl = tv_dac->pal_tvdac_adj;
681
682	tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD;
683
684	if (tv_dac->tv_std == TV_STD_NTSC ||
685	    tv_dac->tv_std == TV_STD_NTSC_J)
686		tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC;
687	else
688		tv_dac_cntl |= RADEON_TV_DAC_STD_PAL;
689
690	if (tv_dac->tv_std == TV_STD_NTSC ||
691	    tv_dac->tv_std == TV_STD_NTSC_J) {
692		if (pll_ref_freq == 2700) {
693			m = NTSC_TV_PLL_M_27;
694			n = NTSC_TV_PLL_N_27;
695			p = NTSC_TV_PLL_P_27;
696		} else {
697			m = NTSC_TV_PLL_M_14;
698			n = NTSC_TV_PLL_N_14;
699			p = NTSC_TV_PLL_P_14;
700		}
701	} else {
702		if (pll_ref_freq == 2700) {
703			m = PAL_TV_PLL_M_27;
704			n = PAL_TV_PLL_N_27;
705			p = PAL_TV_PLL_P_27;
706		} else {
707			m = PAL_TV_PLL_M_14;
708			n = PAL_TV_PLL_N_14;
709			p = PAL_TV_PLL_P_14;
710		}
711	}
712
713	tv_pll_cntl = (m & RADEON_TV_M0LO_MASK) |
714		(((m >> 8) & RADEON_TV_M0HI_MASK) << RADEON_TV_M0HI_SHIFT) |
715		((n & RADEON_TV_N0LO_MASK) << RADEON_TV_N0LO_SHIFT) |
716		(((n >> 9) & RADEON_TV_N0HI_MASK) << RADEON_TV_N0HI_SHIFT) |
717		((p & RADEON_TV_P_MASK) << RADEON_TV_P_SHIFT);
718
719	tv_pll_cntl1 = (((4 & RADEON_TVPCP_MASK) << RADEON_TVPCP_SHIFT) |
720			((4 & RADEON_TVPVG_MASK) << RADEON_TVPVG_SHIFT) |
721			((1 & RADEON_TVPDC_MASK) << RADEON_TVPDC_SHIFT) |
722			RADEON_TVCLK_SRC_SEL_TVPLL |
723			RADEON_TVPLL_TEST_DIS);
724
725	tv_dac->tv.tv_uv_adr = 0xc8;
726
727	if (tv_dac->tv_std == TV_STD_NTSC ||
728	    tv_dac->tv_std == TV_STD_NTSC_J ||
729	    tv_dac->tv_std == TV_STD_PAL_M ||
730	    tv_dac->tv_std == TV_STD_PAL_60) {
731		tv_ftotal = NTSC_TV_VFTOTAL;
732		hor_timing = hor_timing_NTSC;
733		vert_timing = vert_timing_NTSC;
734	} else {
735		hor_timing = hor_timing_PAL;
736		vert_timing = vert_timing_PAL;
737		tv_ftotal = PAL_TV_VFTOTAL;
738	}
739
740	for (i = 0; i < MAX_H_CODE_TIMING_LEN; i++) {
741		if ((tv_dac->tv.h_code_timing[i] = hor_timing[i]) == 0)
742			break;
743	}
744
745	for (i = 0; i < MAX_V_CODE_TIMING_LEN; i++) {
746		if ((tv_dac->tv.v_code_timing[i] = vert_timing[i]) == 0)
747			break;
748	}
749
750	radeon_legacy_tv_init_restarts(encoder);
751
752	/* play with DAC_CNTL */
753	/* play with GPIOPAD_A */
754	/* DISP_OUTPUT_CNTL */
755	/* use reference freq */
756
757	/* program the TV registers */
758	WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST |
759				       RADEON_CRT_ASYNC_RST | RADEON_TV_FIFO_ASYNC_RST));
760
761	tmp = RREG32(RADEON_TV_DAC_CNTL);
762	tmp &= ~RADEON_TV_DAC_NBLANK;
763	tmp |= RADEON_TV_DAC_BGSLEEP |
764		RADEON_TV_DAC_RDACPD |
765		RADEON_TV_DAC_GDACPD |
766		RADEON_TV_DAC_BDACPD;
767	WREG32(RADEON_TV_DAC_CNTL, tmp);
768
769	/* TV PLL */
770	WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVCLK_SRC_SEL_TVPLL);
771	WREG32_PLL(RADEON_TV_PLL_CNTL, tv_pll_cntl);
772	WREG32_PLL_P(RADEON_TV_PLL_CNTL1, RADEON_TVPLL_RESET, ~RADEON_TVPLL_RESET);
773
774	radeon_wait_pll_lock(encoder, 200, 800, 135);
775
776	WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVPLL_RESET);
777
778	radeon_wait_pll_lock(encoder, 300, 160, 27);
779	radeon_wait_pll_lock(encoder, 200, 800, 135);
780
781	WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~0xf);
782	WREG32_PLL_P(RADEON_TV_PLL_CNTL1, RADEON_TVCLK_SRC_SEL_TVPLL, ~RADEON_TVCLK_SRC_SEL_TVPLL);
783
784	WREG32_PLL_P(RADEON_TV_PLL_CNTL1, (1 << RADEON_TVPDC_SHIFT), ~RADEON_TVPDC_MASK);
785	WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVPLL_SLEEP);
786
787	/* TV HV */
788	WREG32(RADEON_TV_RGB_CNTL, tv_rgb_cntl);
789	WREG32(RADEON_TV_HTOTAL, const_ptr->hor_total - 1);
790	WREG32(RADEON_TV_HDISP, const_ptr->hor_resolution - 1);
791	WREG32(RADEON_TV_HSTART, const_ptr->hor_start);
792
793	WREG32(RADEON_TV_VTOTAL, const_ptr->ver_total - 1);
794	WREG32(RADEON_TV_VDISP, const_ptr->ver_resolution - 1);
795	WREG32(RADEON_TV_FTOTAL, tv_ftotal);
796	WREG32(RADEON_TV_VSCALER_CNTL1, tv_vscaler_cntl1);
797	WREG32(RADEON_TV_VSCALER_CNTL2, tv_vscaler_cntl2);
798
799	WREG32(RADEON_TV_Y_FALL_CNTL, tv_y_fall_cntl);
800	WREG32(RADEON_TV_Y_RISE_CNTL, tv_y_rise_cntl);
801	WREG32(RADEON_TV_Y_SAW_TOOTH_CNTL, tv_y_saw_tooth_cntl);
802
803	WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST |
804				       RADEON_CRT_ASYNC_RST));
805
806	/* TV restarts */
807	radeon_legacy_write_tv_restarts(radeon_encoder);
808
809	/* tv timings */
810	radeon_restore_tv_timing_tables(radeon_encoder);
811
812	WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST));
813
814	/* tv std */
815	WREG32(RADEON_TV_SYNC_CNTL, (RADEON_SYNC_PUB | RADEON_TV_SYNC_IO_DRIVE));
816	WREG32(RADEON_TV_TIMING_CNTL, tv_dac->tv.timing_cntl);
817	WREG32(RADEON_TV_MODULATOR_CNTL1, tv_modulator_cntl1);
818	WREG32(RADEON_TV_MODULATOR_CNTL2, tv_modulator_cntl2);
819	WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, (RADEON_Y_RED_EN |
820					    RADEON_C_GRN_EN |
821					    RADEON_CMP_BLU_EN |
822					    RADEON_DAC_DITHER_EN));
823
824	WREG32(RADEON_TV_CRC_CNTL, 0);
825
826	WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
827
828	WREG32(RADEON_TV_GAIN_LIMIT_SETTINGS, ((0x17f << RADEON_UV_GAIN_LIMIT_SHIFT) |
829					       (0x5ff << RADEON_Y_GAIN_LIMIT_SHIFT)));
830	WREG32(RADEON_TV_LINEAR_GAIN_SETTINGS, ((0x100 << RADEON_UV_GAIN_SHIFT) |
831						(0x100 << RADEON_Y_GAIN_SHIFT)));
832
833	WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
834
835}
836
837void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
838				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
839				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid)
840{
841	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
842	const struct radeon_tv_mode_constants *const_ptr;
843	uint32_t tmp;
844
845	const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL);
846	if (!const_ptr)
847		return;
848
849	*h_total_disp = (((const_ptr->hor_resolution / 8) - 1) << RADEON_CRTC_H_DISP_SHIFT) |
850		(((const_ptr->hor_total / 8) - 1) << RADEON_CRTC_H_TOTAL_SHIFT);
851
852	tmp = *h_sync_strt_wid;
853	tmp &= ~(RADEON_CRTC_H_SYNC_STRT_PIX | RADEON_CRTC_H_SYNC_STRT_CHAR);
854	tmp |= (((const_ptr->hor_syncstart / 8) - 1) << RADEON_CRTC_H_SYNC_STRT_CHAR_SHIFT) |
855		(const_ptr->hor_syncstart & 7);
856	*h_sync_strt_wid = tmp;
857
858	*v_total_disp = ((const_ptr->ver_resolution - 1) << RADEON_CRTC_V_DISP_SHIFT) |
859		((const_ptr->ver_total - 1) << RADEON_CRTC_V_TOTAL_SHIFT);
860
861	tmp = *v_sync_strt_wid;
862	tmp &= ~RADEON_CRTC_V_SYNC_STRT;
863	tmp |= ((const_ptr->ver_syncstart - 1) << RADEON_CRTC_V_SYNC_STRT_SHIFT);
864	*v_sync_strt_wid = tmp;
865}
866
867static int get_post_div(int value)
868{
869	int post_div;
870	switch (value) {
871	case 1: post_div = 0; break;
872	case 2: post_div = 1; break;
873	case 3: post_div = 4; break;
874	case 4: post_div = 2; break;
875	case 6: post_div = 6; break;
876	case 8: post_div = 3; break;
877	case 12: post_div = 7; break;
878	case 16:
879	default: post_div = 5; break;
880	}
881	return post_div;
882}
883
884void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
885				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
886				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl)
887{
888	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
889	const struct radeon_tv_mode_constants *const_ptr;
890
891	const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL);
892	if (!const_ptr)
893		return;
894
895	*htotal_cntl = (const_ptr->hor_total & 0x7) | RADEON_HTOT_CNTL_VGA_EN;
896
897	*ppll_ref_div = const_ptr->crtcPLL_M;
898
899	*ppll_div_3 = (const_ptr->crtcPLL_N & 0x7ff) | (get_post_div(const_ptr->crtcPLL_post_div) << 16);
900	*pixclks_cntl &= ~(RADEON_PIX2CLK_SRC_SEL_MASK | RADEON_PIXCLK_TV_SRC_SEL);
901	*pixclks_cntl |= RADEON_PIX2CLK_SRC_SEL_P2PLLCLK;
902}
903
904void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
905				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
906				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl)
907{
908	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
909	const struct radeon_tv_mode_constants *const_ptr;
910
911	const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL);
912	if (!const_ptr)
913		return;
914
915	*htotal2_cntl = (const_ptr->hor_total & 0x7);
916
917	*p2pll_ref_div = const_ptr->crtcPLL_M;
918
919	*p2pll_div_0 = (const_ptr->crtcPLL_N & 0x7ff) | (get_post_div(const_ptr->crtcPLL_post_div) << 16);
920	*pixclks_cntl &= ~RADEON_PIX2CLK_SRC_SEL_MASK;
921	*pixclks_cntl |= RADEON_PIX2CLK_SRC_SEL_P2PLLCLK | RADEON_PIXCLK_TV_SRC_SEL;
922}
923
924