2 * cx18 ADEC audio functions
4 * Derived from cx25840-core.c
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
7 * Copyright (C) 2008 Andy Walls <awalls@radix.net>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 #include <media/v4l2-chip-ident.h>
26 #include "cx18-driver.h"
28 #include "cx18-cards.h"
30 int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
32 u32 reg = 0xc40000 + (addr & ~3);
34 int shift = (addr & 3) * 8;
35 u32 x = cx18_read_reg(cx, reg);
37 x = (x & ~(mask << shift)) | ((u32)value << shift);
38 cx18_write_reg(cx, x, reg);
42 int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask)
44 u32 reg = 0xc40000 + (addr & ~3);
45 int shift = (addr & 3) * 8;
46 u32 x = cx18_read_reg(cx, reg);
48 x = (x & ~((u32)0xff << shift)) | ((u32)value << shift);
49 cx18_write_reg_expect(cx, x, reg,
50 ((u32)eval << shift), ((u32)mask << shift));
54 int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
56 cx18_write_reg(cx, value, 0xc40000 + addr);
61 cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask)
63 cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask);
67 int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value)
69 cx18_write_reg_noretry(cx, value, 0xc40000 + addr);
73 u8 cx18_av_read(struct cx18 *cx, u16 addr)
75 u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3));
76 int shift = (addr & 3) * 8;
78 return (x >> shift) & 0xff;
81 u32 cx18_av_read4(struct cx18 *cx, u16 addr)
83 return cx18_read_reg(cx, 0xc40000 + addr);
86 int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,
89 return cx18_av_write(cx, addr,
90 (cx18_av_read(cx, addr) & and_mask) |
94 int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask,
97 return cx18_av_write4(cx, addr,
98 (cx18_av_read4(cx, addr) & and_mask) |
102 static void cx18_av_initialize(struct cx18 *cx)
104 struct cx18_av_state *state = &cx->av_state;
108 /* Stop 8051 code execution */
109 cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000,
110 0x03000000, 0x13000000);
112 /* initallize the PLL by toggling sleep bit */
113 v = cx18_av_read4(cx, CXADEC_HOST_REG1);
114 /* enable sleep mode - register appears to be read only... */
115 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe);
116 /* disable sleep mode */
117 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe,
120 /* initialize DLLs */
121 v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF;
123 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v);
125 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100);
127 v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF;
129 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v);
131 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100);
133 /* set analog bias currents. Set Vreg to 1.20V. */
134 cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802);
136 v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1;
137 /* enable TUNE_FIL_RST */
138 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F);
139 /* disable TUNE_FIL_RST */
140 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3,
141 v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F);
143 /* enable 656 output */
144 cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00);
146 /* video output drive strength */
147 cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2);
150 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000);
151 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0);
153 /* set video to auto-detect */
154 /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */
155 /* set the comb notch = 1 */
156 cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800);
158 /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */
159 /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */
160 cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000);
162 /* Set VGA_TRACK_RANGE to 0x20 */
163 cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000);
167 * VIP-1.1, 10 bit mode, enable Raw, disable sliced,
168 * don't clamp raw samples when codes are in use, 1 byte user D-words,
169 * IDID0 has line #, RP code V bit transition on VBLANK, data during
172 cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4013252e);
174 /* Set the video input.
175 The setting in MODE_CTRL gets lost when we do the above setup */
176 /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */
177 /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */
179 v = cx18_av_read4(cx, CXADEC_AFE_CTRL);
180 v &= 0xFFFBFFFF; /* turn OFF bit 18 for droop_comp_ch1 */
181 v &= 0xFFFF7FFF; /* turn OFF bit 9 for clamp_sel_ch1 */
182 v &= 0xFFFFFFFE; /* turn OFF bit 0 for 12db_ch1 */
183 /* v |= 0x00000001;*/ /* turn ON bit 0 for 12db_ch1 */
184 cx18_av_write4(cx, CXADEC_AFE_CTRL, v);
186 /* if(dwEnable && dw3DCombAvailable) { */
187 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */
189 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */
191 cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F);
192 state->default_volume = 228 - cx18_av_read(cx, 0x8d4);
193 state->default_volume = ((state->default_volume / 2) + 23) << 9;
196 static int cx18_av_reset(struct v4l2_subdev *sd, u32 val)
198 struct cx18 *cx = v4l2_get_subdevdata(sd);
200 cx18_av_initialize(cx);
204 static int cx18_av_init(struct v4l2_subdev *sd, u32 val)
206 struct cx18_av_state *state = to_cx18_av_state(sd);
207 struct cx18 *cx = v4l2_get_subdevdata(sd);
210 case CX18_AV_INIT_PLLS:
212 * The crystal freq used in calculations in this driver will be
214 * Aim to run the PLLs' VCOs near 400 MHz to minimze errors.
218 * VDCLK Integer = 0x0f, Post Divider = 0x04
219 * AIMCLK Integer = 0x0e, Post Divider = 0x16
221 cx18_av_write4(cx, CXADEC_PLL_CTRL1, 0x160e040f);
223 /* VDCLK Fraction = 0x2be2fe */
224 /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */
225 cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, 0x002be2fe);
227 /* AIMCLK Fraction = 0x05227ad */
228 /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/
229 cx18_av_write4(cx, CXADEC_AUX_PLL_FRAC, 0x005227ad);
231 /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */
232 cx18_av_write(cx, CXADEC_I2S_MCLK, 0x56);
235 case CX18_AV_INIT_NORMAL:
237 if (!state->is_initialized) {
238 /* initialize on first use */
239 state->is_initialized = 1;
240 cx18_av_initialize(cx);
247 void cx18_av_std_setup(struct cx18 *cx)
249 struct cx18_av_state *state = &cx->av_state;
250 struct v4l2_subdev *sd = &state->sd;
251 v4l2_std_id std = state->std;
252 int hblank, hactive, burst, vblank, vactive, sc;
253 int vblank656, src_decimation;
254 int luma_lpf, uv_lpf, comb;
255 u32 pll_int, pll_frac, pll_post;
257 /* datasheet startup, step 8d */
258 if (std & ~V4L2_STD_NTSC)
259 cx18_av_write(cx, 0x49f, 0x11);
261 cx18_av_write(cx, 0x49f, 0x14);
263 if (std & V4L2_STD_625_50) {
264 /* FIXME - revisit these for Sliced VBI */
271 src_decimation = 0x21f;
274 if (std & V4L2_STD_PAL) {
278 } else if (std == V4L2_STD_PAL_Nc) {
289 * The following relationships of half line counts should hold:
290 * 525 = vsync + vactive + vblank656
291 * 12 = vblank656 - vblank
293 * vsync: always 6 half-lines of vsync pulses
294 * vactive: half lines of active video
295 * vblank656: half lines, after line 3/mid-266, of blanked video
296 * vblank: half lines, after line 9/272, of blanked video
298 * As far as I can tell:
299 * vblank656 starts counting from the falling edge of the first
300 * vsync pulse (start of line 4 or mid-266)
301 * vblank starts counting from the after the 6 vsync pulses and
302 * 6 or 5 equalization pulses (start of line 10 or 272)
304 * For 525 line systems the driver will extract VBI information
305 * from lines 10-21 and lines 273-284.
307 vblank656 = 38; /* lines 4 - 22 & 266 - 284 */
308 vblank = 26; /* lines 10 - 22 & 272 - 284 */
309 vactive = 481; /* lines 23 - 263 & 285 - 525 */
312 * For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is
313 * is 858 pixels = 720 active + 138 blanking. The Hsync leading
314 * edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the
315 * end of active video, leaving 122 pixels of hblank to ignore
316 * before active video starts.
323 src_decimation = 0x21f;
324 if (std == V4L2_STD_PAL_60) {
329 } else if (std == V4L2_STD_PAL_M) {
340 /* DEBUG: Displays configured PLL frequency */
341 pll_int = cx18_av_read(cx, 0x108);
342 pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff;
343 pll_post = cx18_av_read(cx, 0x109);
344 CX18_DEBUG_INFO_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n",
345 pll_int, pll_frac, pll_post);
350 pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25;
352 CX18_DEBUG_INFO_DEV(sd, "PLL = %d.%06d MHz\n",
353 pll / 1000000, pll % 1000000);
354 CX18_DEBUG_INFO_DEV(sd, "PLL/8 = %d.%06d MHz\n",
355 pll / 8000000, (pll / 8) % 1000000);
357 fin = ((u64)src_decimation * pll) >> 12;
358 CX18_DEBUG_INFO_DEV(sd, "ADC Sampling freq = %d.%06d MHz\n",
359 fin / 1000000, fin % 1000000);
361 fsc = (((u64)sc) * pll) >> 24L;
362 CX18_DEBUG_INFO_DEV(sd,
363 "Chroma sub-carrier freq = %d.%06d MHz\n",
364 fsc / 1000000, fsc % 1000000);
366 CX18_DEBUG_INFO_DEV(sd, "hblank %i, hactive %i, vblank %i, "
367 "vactive %i, vblank656 %i, src_dec %i, "
368 "burst 0x%02x, luma_lpf %i, uv_lpf %i, "
369 "comb 0x%02x, sc 0x%06x\n",
370 hblank, hactive, vblank, vactive, vblank656,
371 src_decimation, burst, luma_lpf, uv_lpf,
375 /* Sets horizontal blanking delay and active lines */
376 cx18_av_write(cx, 0x470, hblank);
377 cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) |
379 cx18_av_write(cx, 0x472, hactive >> 4);
381 /* Sets burst gate delay */
382 cx18_av_write(cx, 0x473, burst);
384 /* Sets vertical blanking delay and active duration */
385 cx18_av_write(cx, 0x474, vblank);
386 cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) |
388 cx18_av_write(cx, 0x476, vactive >> 4);
389 cx18_av_write(cx, 0x477, vblank656);
391 /* Sets src decimation rate */
392 cx18_av_write(cx, 0x478, 0xff & src_decimation);
393 cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8));
395 /* Sets Luma and UV Low pass filters */
396 cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));
398 /* Enables comb filters */
399 cx18_av_write(cx, 0x47b, comb);
402 cx18_av_write(cx, 0x47c, sc);
403 cx18_av_write(cx, 0x47d, 0xff & sc >> 8);
404 cx18_av_write(cx, 0x47e, 0xff & sc >> 16);
406 if (std & V4L2_STD_625_50) {
407 state->slicer_line_delay = 1;
408 state->slicer_line_offset = (6 + state->slicer_line_delay - 2);
410 state->slicer_line_delay = 0;
411 state->slicer_line_offset = (10 + state->slicer_line_delay - 2);
413 cx18_av_write(cx, 0x47f, state->slicer_line_delay);
416 static int cx18_av_decode_vbi_line(struct v4l2_subdev *sd,
417 struct v4l2_decode_vbi_line *vbi_line)
419 struct cx18 *cx = v4l2_get_subdevdata(sd);
420 return cx18_av_vbi(cx, VIDIOC_INT_DECODE_VBI_LINE, vbi_line);
423 static int cx18_av_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
425 struct cx18 *cx = v4l2_get_subdevdata(sd);
426 return cx18_av_audio(cx, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freq);
429 static void input_change(struct cx18 *cx)
431 struct cx18_av_state *state = &cx->av_state;
432 v4l2_std_id std = state->std;
435 /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
436 cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
437 cx18_av_and_or(cx, 0x401, ~0x60, 0);
438 cx18_av_and_or(cx, 0x401, ~0x60, 0x60);
440 if (std & V4L2_STD_525_60) {
441 if (std == V4L2_STD_NTSC_M_JP) {
442 /* Japan uses EIAJ audio standard */
443 cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff);
444 cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f);
445 } else if (std == V4L2_STD_NTSC_M_KR) {
446 /* South Korea uses A2 audio standard */
447 cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff);
448 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
450 /* Others use the BTSC audio standard */
451 cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff);
452 cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f);
454 } else if (std & V4L2_STD_PAL) {
455 /* Follow tuner change procedure for PAL */
456 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
457 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
458 } else if (std & V4L2_STD_SECAM) {
459 /* Select autodetect for SECAM */
460 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
461 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
464 v = cx18_av_read(cx, 0x803);
466 /* restart audio decoder microcontroller */
468 cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
470 cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
474 static int cx18_av_s_frequency(struct v4l2_subdev *sd,
475 struct v4l2_frequency *freq)
477 struct cx18 *cx = v4l2_get_subdevdata(sd);
482 static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
483 enum cx18_av_audio_input aud_input)
485 struct cx18_av_state *state = &cx->av_state;
486 struct v4l2_subdev *sd = &state->sd;
487 u8 is_composite = (vid_input >= CX18_AV_COMPOSITE1 &&
488 vid_input <= CX18_AV_COMPOSITE8);
492 CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n",
493 vid_input, aud_input);
496 reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1);
498 int luma = vid_input & 0xf0;
499 int chroma = vid_input & 0xf00;
501 if ((vid_input & ~0xff0) ||
502 luma < CX18_AV_SVIDEO_LUMA1 ||
503 luma > CX18_AV_SVIDEO_LUMA8 ||
504 chroma < CX18_AV_SVIDEO_CHROMA4 ||
505 chroma > CX18_AV_SVIDEO_CHROMA8) {
506 CX18_ERR_DEV(sd, "0x%04x is not a valid video input!\n",
510 reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4);
511 if (chroma >= CX18_AV_SVIDEO_CHROMA7) {
513 reg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2;
516 reg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4;
521 case CX18_AV_AUDIO_SERIAL1:
522 case CX18_AV_AUDIO_SERIAL2:
523 /* do nothing, use serial audio input */
525 case CX18_AV_AUDIO4: reg &= ~0x30; break;
526 case CX18_AV_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
527 case CX18_AV_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
528 case CX18_AV_AUDIO7: reg &= ~0xc0; break;
529 case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
532 CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n",
537 cx18_av_write_expect(cx, 0x103, reg, reg, 0xf7);
538 /* Set INPUT_MODE to Composite (0) or S-Video (1) */
539 cx18_av_and_or(cx, 0x401, ~0x6, is_composite ? 0 : 0x02);
541 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
542 v = cx18_av_read(cx, 0x102);
547 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
548 if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
552 cx18_av_write_expect(cx, 0x102, v, v, 0x17);
554 /*cx18_av_and_or4(cx, 0x104, ~0x001b4180, 0x00004180);*/
556 state->vid_input = vid_input;
557 state->aud_input = aud_input;
558 cx18_av_audio_set_path(cx);
563 static int cx18_av_s_video_routing(struct v4l2_subdev *sd,
564 const struct v4l2_routing *route)
566 struct cx18_av_state *state = to_cx18_av_state(sd);
567 struct cx18 *cx = v4l2_get_subdevdata(sd);
568 return set_input(cx, route->input, state->aud_input);
571 static int cx18_av_s_audio_routing(struct v4l2_subdev *sd,
572 const struct v4l2_routing *route)
574 struct cx18_av_state *state = to_cx18_av_state(sd);
575 struct cx18 *cx = v4l2_get_subdevdata(sd);
576 return set_input(cx, state->vid_input, route->input);
579 static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
581 struct cx18_av_state *state = to_cx18_av_state(sd);
582 struct cx18 *cx = v4l2_get_subdevdata(sd);
590 vpres = cx18_av_read(cx, 0x40e) & 0x20;
591 vt->signal = vpres ? 0xffff : 0x0;
594 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
595 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
597 mode = cx18_av_read(cx, 0x804);
599 /* get rxsubchans and audmode */
600 if ((mode & 0xf) == 1)
601 val |= V4L2_TUNER_SUB_STEREO;
603 val |= V4L2_TUNER_SUB_MONO;
605 if (mode == 2 || mode == 4)
606 val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
609 val |= V4L2_TUNER_SUB_SAP;
611 vt->rxsubchans = val;
612 vt->audmode = state->audmode;
616 static int cx18_av_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
618 struct cx18_av_state *state = to_cx18_av_state(sd);
619 struct cx18 *cx = v4l2_get_subdevdata(sd);
625 v = cx18_av_read(cx, 0x809);
628 switch (vt->audmode) {
629 case V4L2_TUNER_MODE_MONO:
632 bilingual -> lang1 */
634 case V4L2_TUNER_MODE_STEREO:
635 case V4L2_TUNER_MODE_LANG1:
638 bilingual -> lang1 */
641 case V4L2_TUNER_MODE_LANG1_LANG2:
644 bilingual -> lang1/lang2 */
647 case V4L2_TUNER_MODE_LANG2:
650 bilingual -> lang2 */
656 cx18_av_write_expect(cx, 0x809, v, v, 0xff);
657 state->audmode = vt->audmode;
661 static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
663 struct cx18_av_state *state = to_cx18_av_state(sd);
664 struct cx18 *cx = v4l2_get_subdevdata(sd);
666 u8 fmt = 0; /* zero is autodetect */
669 if (state->radio == 0 && state->std == norm)
675 /* First tests should be against specific std */
676 if (state->std == V4L2_STD_NTSC_M_JP) {
678 } else if (state->std == V4L2_STD_NTSC_443) {
680 } else if (state->std == V4L2_STD_PAL_M) {
683 } else if (state->std == V4L2_STD_PAL_N) {
685 } else if (state->std == V4L2_STD_PAL_Nc) {
687 } else if (state->std == V4L2_STD_PAL_60) {
690 /* Then, test against generic ones */
691 if (state->std & V4L2_STD_NTSC)
693 else if (state->std & V4L2_STD_PAL)
695 else if (state->std & V4L2_STD_SECAM)
699 CX18_DEBUG_INFO_DEV(sd, "changing video std to fmt %i\n", fmt);
701 /* Follow step 9 of section 3.16 in the cx18_av datasheet.
702 Without this PAL may display a vertical ghosting effect.
703 This happens for example with the Yuan MPC622. */
704 if (fmt >= 4 && fmt < 8) {
705 /* Set format to NTSC-M */
706 cx18_av_and_or(cx, 0x400, ~0xf, 1);
708 cx18_av_and_or(cx, 0x47b, ~6, 0);
710 cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
711 cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
712 cx18_av_std_setup(cx);
717 static int cx18_av_s_radio(struct v4l2_subdev *sd)
719 struct cx18_av_state *state = to_cx18_av_state(sd);
724 static int cx18_av_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
726 struct cx18 *cx = v4l2_get_subdevdata(sd);
729 case V4L2_CID_BRIGHTNESS:
730 if (ctrl->value < 0 || ctrl->value > 255) {
731 CX18_ERR_DEV(sd, "invalid brightness setting %d\n",
736 cx18_av_write(cx, 0x414, ctrl->value - 128);
739 case V4L2_CID_CONTRAST:
740 if (ctrl->value < 0 || ctrl->value > 127) {
741 CX18_ERR_DEV(sd, "invalid contrast setting %d\n",
746 cx18_av_write(cx, 0x415, ctrl->value << 1);
749 case V4L2_CID_SATURATION:
750 if (ctrl->value < 0 || ctrl->value > 127) {
751 CX18_ERR_DEV(sd, "invalid saturation setting %d\n",
756 cx18_av_write(cx, 0x420, ctrl->value << 1);
757 cx18_av_write(cx, 0x421, ctrl->value << 1);
761 if (ctrl->value < -128 || ctrl->value > 127) {
762 CX18_ERR_DEV(sd, "invalid hue setting %d\n",
767 cx18_av_write(cx, 0x422, ctrl->value);
770 case V4L2_CID_AUDIO_VOLUME:
771 case V4L2_CID_AUDIO_BASS:
772 case V4L2_CID_AUDIO_TREBLE:
773 case V4L2_CID_AUDIO_BALANCE:
774 case V4L2_CID_AUDIO_MUTE:
775 return cx18_av_audio(cx, VIDIOC_S_CTRL, ctrl);
783 static int cx18_av_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
785 struct cx18 *cx = v4l2_get_subdevdata(sd);
788 case V4L2_CID_BRIGHTNESS:
789 ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128;
791 case V4L2_CID_CONTRAST:
792 ctrl->value = cx18_av_read(cx, 0x415) >> 1;
794 case V4L2_CID_SATURATION:
795 ctrl->value = cx18_av_read(cx, 0x420) >> 1;
798 ctrl->value = (s8)cx18_av_read(cx, 0x422);
800 case V4L2_CID_AUDIO_VOLUME:
801 case V4L2_CID_AUDIO_BASS:
802 case V4L2_CID_AUDIO_TREBLE:
803 case V4L2_CID_AUDIO_BALANCE:
804 case V4L2_CID_AUDIO_MUTE:
805 return cx18_av_audio(cx, VIDIOC_G_CTRL, ctrl);
812 static int cx18_av_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
814 struct cx18_av_state *state = to_cx18_av_state(sd);
817 case V4L2_CID_BRIGHTNESS:
818 return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
819 case V4L2_CID_CONTRAST:
820 case V4L2_CID_SATURATION:
821 return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
823 return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
829 case V4L2_CID_AUDIO_VOLUME:
830 return v4l2_ctrl_query_fill(qc, 0, 65535,
831 65535 / 100, state->default_volume);
832 case V4L2_CID_AUDIO_MUTE:
833 return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
834 case V4L2_CID_AUDIO_BALANCE:
835 case V4L2_CID_AUDIO_BASS:
836 case V4L2_CID_AUDIO_TREBLE:
837 return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
844 static int cx18_av_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
846 struct cx18 *cx = v4l2_get_subdevdata(sd);
849 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
850 return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt);
857 static int cx18_av_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
859 struct cx18_av_state *state = to_cx18_av_state(sd);
860 struct cx18 *cx = v4l2_get_subdevdata(sd);
862 struct v4l2_pix_format *pix;
863 int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
864 int is_50Hz = !(state->std & V4L2_STD_525_60);
867 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
868 pix = &(fmt->fmt.pix);
870 Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
871 Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
873 Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
874 Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
877 * This adjustment reflects the excess of vactive, set in
878 * cx18_av_std_setup(), above standard values:
880 * 480 + 1 for 60 Hz systems
881 * 576 + 4 for 50 Hz systems
883 Vlines = pix->height + (is_50Hz ? 4 : 1);
886 * Invalid height and width scaling requests are:
887 * 1. width less than 1/16 of the source width
888 * 2. width greater than the source width
889 * 3. height less than 1/8 of the source height
890 * 4. height greater than the source height
892 if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
893 (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
894 CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n",
895 pix->width, pix->height);
899 HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
900 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
903 if (pix->width >= 385)
905 else if (pix->width > 192)
907 else if (pix->width > 96)
912 CX18_DEBUG_INFO_DEV(sd,
913 "decoder set size %dx%d -> scale %ux%u\n",
914 pix->width, pix->height, HSC, VSC);
917 cx18_av_write(cx, 0x418, HSC & 0xff);
918 cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
919 cx18_av_write(cx, 0x41a, HSC >> 16);
921 cx18_av_write(cx, 0x41c, VSC & 0xff);
922 cx18_av_write(cx, 0x41d, VSC >> 8);
923 /* VS_INTRLACE=1 VFILT=filter */
924 cx18_av_write(cx, 0x41e, 0x8 | filter);
927 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
928 return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
930 case V4L2_BUF_TYPE_VBI_CAPTURE:
931 return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
939 static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable)
941 struct cx18 *cx = v4l2_get_subdevdata(sd);
943 CX18_DEBUG_INFO_DEV(sd, "%s output\n", enable ? "enable" : "disable");
945 cx18_av_write(cx, 0x115, 0x8c);
946 cx18_av_write(cx, 0x116, 0x07);
948 cx18_av_write(cx, 0x115, 0x00);
949 cx18_av_write(cx, 0x116, 0x00);
954 static void log_video_status(struct cx18 *cx)
956 static const char *const fmt_strs[] = {
958 "NTSC-M", "NTSC-J", "NTSC-4.43",
959 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
965 struct cx18_av_state *state = &cx->av_state;
966 struct v4l2_subdev *sd = &state->sd;
967 u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf;
968 u8 gen_stat1 = cx18_av_read(cx, 0x40d);
969 u8 gen_stat2 = cx18_av_read(cx, 0x40e);
970 int vid_input = state->vid_input;
972 CX18_INFO_DEV(sd, "Video signal: %spresent\n",
973 (gen_stat2 & 0x20) ? "" : "not ");
974 CX18_INFO_DEV(sd, "Detected format: %s\n",
975 fmt_strs[gen_stat1 & 0xf]);
977 CX18_INFO_DEV(sd, "Specified standard: %s\n",
978 vidfmt_sel ? fmt_strs[vidfmt_sel]
979 : "automatic detection");
981 if (vid_input >= CX18_AV_COMPOSITE1 &&
982 vid_input <= CX18_AV_COMPOSITE8) {
983 CX18_INFO_DEV(sd, "Specified video input: Composite %d\n",
984 vid_input - CX18_AV_COMPOSITE1 + 1);
986 CX18_INFO_DEV(sd, "Specified video input: "
987 "S-Video (Luma In%d, Chroma In%d)\n",
988 (vid_input & 0xf0) >> 4,
989 (vid_input & 0xf00) >> 8);
992 CX18_INFO_DEV(sd, "Specified audioclock freq: %d Hz\n",
996 static void log_audio_status(struct cx18 *cx)
998 struct cx18_av_state *state = &cx->av_state;
999 struct v4l2_subdev *sd = &state->sd;
1000 u8 download_ctl = cx18_av_read(cx, 0x803);
1001 u8 mod_det_stat0 = cx18_av_read(cx, 0x804);
1002 u8 mod_det_stat1 = cx18_av_read(cx, 0x805);
1003 u8 audio_config = cx18_av_read(cx, 0x808);
1004 u8 pref_mode = cx18_av_read(cx, 0x809);
1005 u8 afc0 = cx18_av_read(cx, 0x80b);
1006 u8 mute_ctl = cx18_av_read(cx, 0x8d3);
1007 int aud_input = state->aud_input;
1010 switch (mod_det_stat0) {
1011 case 0x00: p = "mono"; break;
1012 case 0x01: p = "stereo"; break;
1013 case 0x02: p = "dual"; break;
1014 case 0x04: p = "tri"; break;
1015 case 0x10: p = "mono with SAP"; break;
1016 case 0x11: p = "stereo with SAP"; break;
1017 case 0x12: p = "dual with SAP"; break;
1018 case 0x14: p = "tri with SAP"; break;
1019 case 0xfe: p = "forced mode"; break;
1020 default: p = "not defined"; break;
1022 CX18_INFO_DEV(sd, "Detected audio mode: %s\n", p);
1024 switch (mod_det_stat1) {
1025 case 0x00: p = "not defined"; break;
1026 case 0x01: p = "EIAJ"; break;
1027 case 0x02: p = "A2-M"; break;
1028 case 0x03: p = "A2-BG"; break;
1029 case 0x04: p = "A2-DK1"; break;
1030 case 0x05: p = "A2-DK2"; break;
1031 case 0x06: p = "A2-DK3"; break;
1032 case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
1033 case 0x08: p = "AM-L"; break;
1034 case 0x09: p = "NICAM-BG"; break;
1035 case 0x0a: p = "NICAM-DK"; break;
1036 case 0x0b: p = "NICAM-I"; break;
1037 case 0x0c: p = "NICAM-L"; break;
1038 case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
1039 case 0x0e: p = "IF FM Radio"; break;
1040 case 0x0f: p = "BTSC"; break;
1041 case 0x10: p = "detected chrominance"; break;
1042 case 0xfd: p = "unknown audio standard"; break;
1043 case 0xfe: p = "forced audio standard"; break;
1044 case 0xff: p = "no detected audio standard"; break;
1045 default: p = "not defined"; break;
1047 CX18_INFO_DEV(sd, "Detected audio standard: %s\n", p);
1048 CX18_INFO_DEV(sd, "Audio muted: %s\n",
1049 (mute_ctl & 0x2) ? "yes" : "no");
1050 CX18_INFO_DEV(sd, "Audio microcontroller: %s\n",
1051 (download_ctl & 0x10) ? "running" : "stopped");
1053 switch (audio_config >> 4) {
1054 case 0x00: p = "undefined"; break;
1055 case 0x01: p = "BTSC"; break;
1056 case 0x02: p = "EIAJ"; break;
1057 case 0x03: p = "A2-M"; break;
1058 case 0x04: p = "A2-BG"; break;
1059 case 0x05: p = "A2-DK1"; break;
1060 case 0x06: p = "A2-DK2"; break;
1061 case 0x07: p = "A2-DK3"; break;
1062 case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
1063 case 0x09: p = "AM-L"; break;
1064 case 0x0a: p = "NICAM-BG"; break;
1065 case 0x0b: p = "NICAM-DK"; break;
1066 case 0x0c: p = "NICAM-I"; break;
1067 case 0x0d: p = "NICAM-L"; break;
1068 case 0x0e: p = "FM radio"; break;
1069 case 0x0f: p = "automatic detection"; break;
1070 default: p = "undefined"; break;
1072 CX18_INFO_DEV(sd, "Configured audio standard: %s\n", p);
1074 if ((audio_config >> 4) < 0xF) {
1075 switch (audio_config & 0xF) {
1076 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
1077 case 0x01: p = "MONO2 (LANGUAGE B)"; break;
1078 case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
1079 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
1080 case 0x04: p = "STEREO"; break;
1081 case 0x05: p = "DUAL1 (AC)"; break;
1082 case 0x06: p = "DUAL2 (BC)"; break;
1083 case 0x07: p = "DUAL3 (AB)"; break;
1084 default: p = "undefined";
1086 CX18_INFO_DEV(sd, "Configured audio mode: %s\n", p);
1088 switch (audio_config & 0xF) {
1089 case 0x00: p = "BG"; break;
1090 case 0x01: p = "DK1"; break;
1091 case 0x02: p = "DK2"; break;
1092 case 0x03: p = "DK3"; break;
1093 case 0x04: p = "I"; break;
1094 case 0x05: p = "L"; break;
1095 case 0x06: p = "BTSC"; break;
1096 case 0x07: p = "EIAJ"; break;
1097 case 0x08: p = "A2-M"; break;
1098 case 0x09: p = "FM Radio (4.5 MHz)"; break;
1099 case 0x0a: p = "FM Radio (5.5 MHz)"; break;
1100 case 0x0b: p = "S-Video"; break;
1101 case 0x0f: p = "automatic standard and mode detection"; break;
1102 default: p = "undefined"; break;
1104 CX18_INFO_DEV(sd, "Configured audio system: %s\n", p);
1108 CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n",
1111 CX18_INFO_DEV(sd, "Specified audio input: External\n");
1113 switch (pref_mode & 0xf) {
1114 case 0: p = "mono/language A"; break;
1115 case 1: p = "language B"; break;
1116 case 2: p = "language C"; break;
1117 case 3: p = "analog fallback"; break;
1118 case 4: p = "stereo"; break;
1119 case 5: p = "language AC"; break;
1120 case 6: p = "language BC"; break;
1121 case 7: p = "language AB"; break;
1122 default: p = "undefined"; break;
1124 CX18_INFO_DEV(sd, "Preferred audio mode: %s\n", p);
1126 if ((audio_config & 0xf) == 0xf) {
1127 switch ((afc0 >> 3) & 0x1) {
1128 case 0: p = "system DK"; break;
1129 case 1: p = "system L"; break;
1131 CX18_INFO_DEV(sd, "Selected 65 MHz format: %s\n", p);
1133 switch (afc0 & 0x7) {
1134 case 0: p = "Chroma"; break;
1135 case 1: p = "BTSC"; break;
1136 case 2: p = "EIAJ"; break;
1137 case 3: p = "A2-M"; break;
1138 case 4: p = "autodetect"; break;
1139 default: p = "undefined"; break;
1141 CX18_INFO_DEV(sd, "Selected 45 MHz format: %s\n", p);
1145 static int cx18_av_log_status(struct v4l2_subdev *sd)
1147 struct cx18 *cx = v4l2_get_subdevdata(sd);
1148 log_video_status(cx);
1149 log_audio_status(cx);
1153 static inline int cx18_av_dbg_match(const struct v4l2_dbg_match *match)
1155 return match->type == V4L2_CHIP_MATCH_HOST && match->addr == 1;
1158 static int cx18_av_g_chip_ident(struct v4l2_subdev *sd,
1159 struct v4l2_dbg_chip_ident *chip)
1161 struct cx18_av_state *state = to_cx18_av_state(sd);
1163 if (cx18_av_dbg_match(&chip->match)) {
1164 chip->ident = state->id;
1165 chip->revision = state->rev;
1170 #ifdef CONFIG_VIDEO_ADV_DEBUG
1171 static int cx18_av_g_register(struct v4l2_subdev *sd,
1172 struct v4l2_dbg_register *reg)
1174 struct cx18 *cx = v4l2_get_subdevdata(sd);
1176 if (!cx18_av_dbg_match(®->match))
1178 if ((reg->reg & 0x3) != 0)
1180 if (!capable(CAP_SYS_ADMIN))
1183 reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc);
1187 static int cx18_av_s_register(struct v4l2_subdev *sd,
1188 struct v4l2_dbg_register *reg)
1190 struct cx18 *cx = v4l2_get_subdevdata(sd);
1192 if (!cx18_av_dbg_match(®->match))
1194 if ((reg->reg & 0x3) != 0)
1196 if (!capable(CAP_SYS_ADMIN))
1198 cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val);
1203 static const struct v4l2_subdev_core_ops cx18_av_general_ops = {
1204 .g_chip_ident = cx18_av_g_chip_ident,
1205 .log_status = cx18_av_log_status,
1206 .init = cx18_av_init,
1207 .reset = cx18_av_reset,
1208 .queryctrl = cx18_av_queryctrl,
1209 .g_ctrl = cx18_av_g_ctrl,
1210 .s_ctrl = cx18_av_s_ctrl,
1211 #ifdef CONFIG_VIDEO_ADV_DEBUG
1212 .g_register = cx18_av_g_register,
1213 .s_register = cx18_av_s_register,
1217 static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = {
1218 .s_radio = cx18_av_s_radio,
1219 .s_frequency = cx18_av_s_frequency,
1220 .g_tuner = cx18_av_g_tuner,
1221 .s_tuner = cx18_av_s_tuner,
1222 .s_std = cx18_av_s_std,
1225 static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = {
1226 .s_clock_freq = cx18_av_s_clock_freq,
1227 .s_routing = cx18_av_s_audio_routing,
1230 static const struct v4l2_subdev_video_ops cx18_av_video_ops = {
1231 .s_routing = cx18_av_s_video_routing,
1232 .decode_vbi_line = cx18_av_decode_vbi_line,
1233 .s_stream = cx18_av_s_stream,
1234 .g_fmt = cx18_av_g_fmt,
1235 .s_fmt = cx18_av_s_fmt,
1238 static const struct v4l2_subdev_ops cx18_av_ops = {
1239 .core = &cx18_av_general_ops,
1240 .tuner = &cx18_av_tuner_ops,
1241 .audio = &cx18_av_audio_ops,
1242 .video = &cx18_av_video_ops,
1245 int cx18_av_probe(struct cx18 *cx)
1247 struct cx18_av_state *state = &cx->av_state;
1248 struct v4l2_subdev *sd;
1250 state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff;
1251 state->id = ((state->rev >> 4) == CXADEC_CHIP_TYPE_MAKO)
1252 ? V4L2_IDENT_CX23418_843 : V4L2_IDENT_UNKNOWN;
1254 state->vid_input = CX18_AV_COMPOSITE7;
1255 state->aud_input = CX18_AV_AUDIO8;
1256 state->audclk_freq = 48000;
1257 state->audmode = V4L2_TUNER_MODE_LANG1;
1258 state->slicer_line_delay = 0;
1259 state->slicer_line_offset = (10 + state->slicer_line_delay - 2);
1262 v4l2_subdev_init(sd, &cx18_av_ops);
1263 v4l2_set_subdevdata(sd, cx);
1264 snprintf(sd->name, sizeof(sd->name),
1265 "%s %03x", cx->v4l2_dev.name, (state->rev >> 4));
1266 sd->grp_id = CX18_HW_418_AV;
1267 return v4l2_device_register_subdev(&cx->v4l2_dev, sd);