2 * cx18 ADEC audio functions
4 * Derived from cx25840-core.c
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 #include "cx18-driver.h"
26 int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
28 u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3));
30 int shift = (addr & 3) * 8;
32 x = (x & ~(mask << shift)) | ((u32)value << shift);
33 writel(x, cx->reg_mem + 0xc40000 + (addr & ~3));
37 int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
39 writel(value, cx->reg_mem + 0xc40000 + addr);
43 u8 cx18_av_read(struct cx18 *cx, u16 addr)
45 u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3));
46 int shift = (addr & 3) * 8;
48 return (x >> shift) & 0xff;
51 u32 cx18_av_read4(struct cx18 *cx, u16 addr)
53 return readl(cx->reg_mem + 0xc40000 + addr);
56 int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,
59 return cx18_av_write(cx, addr,
60 (cx18_av_read(cx, addr) & and_mask) |
64 int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask,
67 return cx18_av_write4(cx, addr,
68 (cx18_av_read4(cx, addr) & and_mask) |
72 /* ----------------------------------------------------------------------- */
74 static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
75 enum cx18_av_audio_input aud_input);
76 static void log_audio_status(struct cx18 *cx);
77 static void log_video_status(struct cx18 *cx);
79 /* ----------------------------------------------------------------------- */
81 static void cx18_av_initialize(struct cx18 *cx)
86 /* Stop 8051 code execution */
87 cx18_av_write4(cx, CXADEC_DL_CTL, 0x03000000);
89 /* initallize the PLL by toggling sleep bit */
90 v = cx18_av_read4(cx, CXADEC_HOST_REG1);
91 /* enable sleep mode */
92 cx18_av_write4(cx, CXADEC_HOST_REG1, v | 1);
93 /* disable sleep mode */
94 cx18_av_write4(cx, CXADEC_HOST_REG1, v & 0xfffe);
97 v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF;
99 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v);
101 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100);
103 v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF;
105 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v);
107 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100);
109 /* set analog bias currents. Set Vreg to 1.20V. */
110 cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802);
112 v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1;
113 /* enable TUNE_FIL_RST */
114 cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL3, v);
115 /* disable TUNE_FIL_RST */
116 cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL3, v & 0xFFFFFFFE);
118 /* enable 656 output */
119 cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00);
121 /* video output drive strength */
122 cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2);
125 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000);
126 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0);
128 /* set video to auto-detect */
129 /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */
130 /* set the comb notch = 1 */
131 cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800);
133 /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */
134 /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */
135 cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000);
137 /* Set VGA_TRACK_RANGE to 0x20 */
138 cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000);
140 /* Enable VBI capture */
141 cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253F);
142 /* cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253E); */
144 /* Set the video input.
145 The setting in MODE_CTRL gets lost when we do the above setup */
146 /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */
147 /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */
149 v = cx18_av_read4(cx, CXADEC_AFE_CTRL);
150 v &= 0xFFFBFFFF; /* turn OFF bit 18 for droop_comp_ch1 */
151 v &= 0xFFFF7FFF; /* turn OFF bit 9 for clamp_sel_ch1 */
152 v &= 0xFFFFFFFE; /* turn OFF bit 0 for 12db_ch1 */
153 /* v |= 0x00000001;*/ /* turn ON bit 0 for 12db_ch1 */
154 cx18_av_write4(cx, CXADEC_AFE_CTRL, v);
156 /* if(dwEnable && dw3DCombAvailable) { */
157 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */
159 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */
161 cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F);
164 /* ----------------------------------------------------------------------- */
166 static void input_change(struct cx18 *cx)
168 struct cx18_av_state *state = &cx->av_state;
169 v4l2_std_id std = state->std;
171 /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
172 cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
173 cx18_av_and_or(cx, 0x401, ~0x60, 0);
174 cx18_av_and_or(cx, 0x401, ~0x60, 0x60);
176 if (std & V4L2_STD_525_60) {
177 if (std == V4L2_STD_NTSC_M_JP) {
178 /* Japan uses EIAJ audio standard */
179 cx18_av_write(cx, 0x808, 0xf7);
180 cx18_av_write(cx, 0x80b, 0x02);
181 } else if (std == V4L2_STD_NTSC_M_KR) {
182 /* South Korea uses A2 audio standard */
183 cx18_av_write(cx, 0x808, 0xf8);
184 cx18_av_write(cx, 0x80b, 0x03);
186 /* Others use the BTSC audio standard */
187 cx18_av_write(cx, 0x808, 0xf6);
188 cx18_av_write(cx, 0x80b, 0x01);
190 } else if (std & V4L2_STD_PAL) {
191 /* Follow tuner change procedure for PAL */
192 cx18_av_write(cx, 0x808, 0xff);
193 cx18_av_write(cx, 0x80b, 0x03);
194 } else if (std & V4L2_STD_SECAM) {
195 /* Select autodetect for SECAM */
196 cx18_av_write(cx, 0x808, 0xff);
197 cx18_av_write(cx, 0x80b, 0x03);
200 if (cx18_av_read(cx, 0x803) & 0x10) {
201 /* restart audio decoder microcontroller */
202 cx18_av_and_or(cx, 0x803, ~0x10, 0x00);
203 cx18_av_and_or(cx, 0x803, ~0x10, 0x10);
207 static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
208 enum cx18_av_audio_input aud_input)
210 struct cx18_av_state *state = &cx->av_state;
211 u8 is_composite = (vid_input >= CX18_AV_COMPOSITE1 &&
212 vid_input <= CX18_AV_COMPOSITE8);
215 CX18_DEBUG_INFO("decoder set video input %d, audio input %d\n",
216 vid_input, aud_input);
219 reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1);
221 int luma = vid_input & 0xf0;
222 int chroma = vid_input & 0xf00;
224 if ((vid_input & ~0xff0) ||
225 luma < CX18_AV_SVIDEO_LUMA1 ||
226 luma > CX18_AV_SVIDEO_LUMA8 ||
227 chroma < CX18_AV_SVIDEO_CHROMA4 ||
228 chroma > CX18_AV_SVIDEO_CHROMA8) {
229 CX18_ERR("0x%04x is not a valid video input!\n",
233 reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4);
234 if (chroma >= CX18_AV_SVIDEO_CHROMA7) {
236 reg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2;
239 reg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4;
244 case CX18_AV_AUDIO_SERIAL1:
245 case CX18_AV_AUDIO_SERIAL2:
246 /* do nothing, use serial audio input */
248 case CX18_AV_AUDIO4: reg &= ~0x30; break;
249 case CX18_AV_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
250 case CX18_AV_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
251 case CX18_AV_AUDIO7: reg &= ~0xc0; break;
252 case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
255 CX18_ERR("0x%04x is not a valid audio input!\n", aud_input);
259 cx18_av_write(cx, 0x103, reg);
260 /* Set INPUT_MODE to Composite (0) or S-Video (1) */
261 cx18_av_and_or(cx, 0x401, ~0x6, is_composite ? 0 : 0x02);
262 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
263 cx18_av_and_or(cx, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0);
264 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
265 if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
266 cx18_av_and_or(cx, 0x102, ~0x4, 4);
268 cx18_av_and_or(cx, 0x102, ~0x4, 0);
269 /*cx18_av_and_or4(cx, 0x104, ~0x001b4180, 0x00004180);*/
271 state->vid_input = vid_input;
272 state->aud_input = aud_input;
273 cx18_av_audio_set_path(cx);
278 /* ----------------------------------------------------------------------- */
280 static int set_v4lstd(struct cx18 *cx)
282 struct cx18_av_state *state = &cx->av_state;
283 u8 fmt = 0; /* zero is autodetect */
286 /* First tests should be against specific std */
287 if (state->std == V4L2_STD_NTSC_M_JP) {
289 } else if (state->std == V4L2_STD_NTSC_443) {
291 } else if (state->std == V4L2_STD_PAL_M) {
294 } else if (state->std == V4L2_STD_PAL_N) {
296 } else if (state->std == V4L2_STD_PAL_Nc) {
298 } else if (state->std == V4L2_STD_PAL_60) {
301 /* Then, test against generic ones */
302 if (state->std & V4L2_STD_NTSC)
304 else if (state->std & V4L2_STD_PAL)
306 else if (state->std & V4L2_STD_SECAM)
310 CX18_DEBUG_INFO("changing video std to fmt %i\n", fmt);
312 /* Follow step 9 of section 3.16 in the cx18_av datasheet.
313 Without this PAL may display a vertical ghosting effect.
314 This happens for example with the Yuan MPC622. */
315 if (fmt >= 4 && fmt < 8) {
316 /* Set format to NTSC-M */
317 cx18_av_and_or(cx, 0x400, ~0xf, 1);
319 cx18_av_and_or(cx, 0x47b, ~6, 0);
321 cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
322 cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
323 cx18_av_vbi_setup(cx);
328 /* ----------------------------------------------------------------------- */
330 static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
333 case V4L2_CID_BRIGHTNESS:
334 if (ctrl->value < 0 || ctrl->value > 255) {
335 CX18_ERR("invalid brightness setting %d\n",
340 cx18_av_write(cx, 0x414, ctrl->value - 128);
343 case V4L2_CID_CONTRAST:
344 if (ctrl->value < 0 || ctrl->value > 127) {
345 CX18_ERR("invalid contrast setting %d\n",
350 cx18_av_write(cx, 0x415, ctrl->value << 1);
353 case V4L2_CID_SATURATION:
354 if (ctrl->value < 0 || ctrl->value > 127) {
355 CX18_ERR("invalid saturation setting %d\n",
360 cx18_av_write(cx, 0x420, ctrl->value << 1);
361 cx18_av_write(cx, 0x421, ctrl->value << 1);
365 if (ctrl->value < -127 || ctrl->value > 127) {
366 CX18_ERR("invalid hue setting %d\n", ctrl->value);
370 cx18_av_write(cx, 0x422, ctrl->value);
373 case V4L2_CID_AUDIO_VOLUME:
374 case V4L2_CID_AUDIO_BASS:
375 case V4L2_CID_AUDIO_TREBLE:
376 case V4L2_CID_AUDIO_BALANCE:
377 case V4L2_CID_AUDIO_MUTE:
378 return cx18_av_audio(cx, VIDIOC_S_CTRL, ctrl);
387 static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
390 case V4L2_CID_BRIGHTNESS:
391 ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128;
393 case V4L2_CID_CONTRAST:
394 ctrl->value = cx18_av_read(cx, 0x415) >> 1;
396 case V4L2_CID_SATURATION:
397 ctrl->value = cx18_av_read(cx, 0x420) >> 1;
400 ctrl->value = (s8)cx18_av_read(cx, 0x422);
402 case V4L2_CID_AUDIO_VOLUME:
403 case V4L2_CID_AUDIO_BASS:
404 case V4L2_CID_AUDIO_TREBLE:
405 case V4L2_CID_AUDIO_BALANCE:
406 case V4L2_CID_AUDIO_MUTE:
407 return cx18_av_audio(cx, VIDIOC_G_CTRL, ctrl);
415 /* ----------------------------------------------------------------------- */
417 static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
420 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
421 return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt);
429 static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
431 struct cx18_av_state *state = &cx->av_state;
432 struct v4l2_pix_format *pix;
433 int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
434 int is_50Hz = !(state->std & V4L2_STD_525_60);
437 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
438 pix = &(fmt->fmt.pix);
440 Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
441 Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
443 Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
444 Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
446 Vlines = pix->height + (is_50Hz ? 4 : 7);
448 if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
449 (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
450 CX18_ERR("%dx%d is not a valid size!\n",
451 pix->width, pix->height);
455 HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
456 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
459 if (pix->width >= 385)
461 else if (pix->width > 192)
463 else if (pix->width > 96)
468 CX18_DEBUG_INFO("decoder set size %dx%d -> scale %ux%u\n",
469 pix->width, pix->height, HSC, VSC);
472 cx18_av_write(cx, 0x418, HSC & 0xff);
473 cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
474 cx18_av_write(cx, 0x41a, HSC >> 16);
476 cx18_av_write(cx, 0x41c, VSC & 0xff);
477 cx18_av_write(cx, 0x41d, VSC >> 8);
478 /* VS_INTRLACE=1 VFILT=filter */
479 cx18_av_write(cx, 0x41e, 0x8 | filter);
482 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
483 return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
485 case V4L2_BUF_TYPE_VBI_CAPTURE:
486 return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
495 /* ----------------------------------------------------------------------- */
497 int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg)
499 struct cx18_av_state *state = &cx->av_state;
500 struct v4l2_tuner *vt = arg;
501 struct v4l2_routing *route = arg;
503 /* ignore these commands */
505 case TUNER_SET_TYPE_ADDR:
509 if (!state->is_initialized) {
510 CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd);
511 /* initialize on first use */
512 state->is_initialized = 1;
513 cx18_av_initialize(cx);
517 case VIDIOC_INT_DECODE_VBI_LINE:
518 return cx18_av_vbi(cx, cmd, arg);
520 case VIDIOC_INT_AUDIO_CLOCK_FREQ:
521 return cx18_av_audio(cx, cmd, arg);
523 case VIDIOC_STREAMON:
524 CX18_DEBUG_INFO("enable output\n");
525 cx18_av_write(cx, 0x115, 0x8c);
526 cx18_av_write(cx, 0x116, 0x07);
529 case VIDIOC_STREAMOFF:
530 CX18_DEBUG_INFO("disable output\n");
531 cx18_av_write(cx, 0x115, 0x00);
532 cx18_av_write(cx, 0x116, 0x00);
535 case VIDIOC_LOG_STATUS:
536 log_video_status(cx);
537 log_audio_status(cx);
541 return get_v4lctrl(cx, (struct v4l2_control *)arg);
544 return set_v4lctrl(cx, (struct v4l2_control *)arg);
546 case VIDIOC_QUERYCTRL:
548 struct v4l2_queryctrl *qc = arg;
551 case V4L2_CID_BRIGHTNESS:
552 case V4L2_CID_CONTRAST:
553 case V4L2_CID_SATURATION:
555 return v4l2_ctrl_query_fill_std(qc);
561 case V4L2_CID_AUDIO_VOLUME:
562 case V4L2_CID_AUDIO_MUTE:
563 case V4L2_CID_AUDIO_BALANCE:
564 case V4L2_CID_AUDIO_BASS:
565 case V4L2_CID_AUDIO_TREBLE:
566 return v4l2_ctrl_query_fill_std(qc);
574 *(v4l2_std_id *)arg = state->std;
578 if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
581 state->std = *(v4l2_std_id *)arg;
582 return set_v4lstd(cx);
588 case VIDIOC_INT_G_VIDEO_ROUTING:
589 route->input = state->vid_input;
593 case VIDIOC_INT_S_VIDEO_ROUTING:
594 return set_input(cx, route->input, state->aud_input);
596 case VIDIOC_INT_G_AUDIO_ROUTING:
597 route->input = state->aud_input;
601 case VIDIOC_INT_S_AUDIO_ROUTING:
602 return set_input(cx, state->vid_input, route->input);
604 case VIDIOC_S_FREQUENCY:
610 u8 vpres = cx18_av_read(cx, 0x40e) & 0x20;
617 vt->signal = vpres ? 0xffff : 0x0;
620 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
621 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
623 mode = cx18_av_read(cx, 0x804);
625 /* get rxsubchans and audmode */
626 if ((mode & 0xf) == 1)
627 val |= V4L2_TUNER_SUB_STEREO;
629 val |= V4L2_TUNER_SUB_MONO;
631 if (mode == 2 || mode == 4)
632 val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
635 val |= V4L2_TUNER_SUB_SAP;
637 vt->rxsubchans = val;
638 vt->audmode = state->audmode;
646 switch (vt->audmode) {
647 case V4L2_TUNER_MODE_MONO:
650 bilingual -> lang1 */
651 cx18_av_and_or(cx, 0x809, ~0xf, 0x00);
653 case V4L2_TUNER_MODE_STEREO:
654 case V4L2_TUNER_MODE_LANG1:
657 bilingual -> lang1 */
658 cx18_av_and_or(cx, 0x809, ~0xf, 0x04);
660 case V4L2_TUNER_MODE_LANG1_LANG2:
663 bilingual -> lang1/lang2 */
664 cx18_av_and_or(cx, 0x809, ~0xf, 0x07);
666 case V4L2_TUNER_MODE_LANG2:
669 bilingual -> lang2 */
670 cx18_av_and_or(cx, 0x809, ~0xf, 0x01);
675 state->audmode = vt->audmode;
679 return get_v4lfmt(cx, (struct v4l2_format *)arg);
682 return set_v4lfmt(cx, (struct v4l2_format *)arg);
684 case VIDIOC_INT_RESET:
685 cx18_av_initialize(cx);
695 /* ----------------------------------------------------------------------- */
697 /* ----------------------------------------------------------------------- */
699 static void log_video_status(struct cx18 *cx)
701 static const char *const fmt_strs[] = {
703 "NTSC-M", "NTSC-J", "NTSC-4.43",
704 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
710 struct cx18_av_state *state = &cx->av_state;
711 u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf;
712 u8 gen_stat1 = cx18_av_read(cx, 0x40d);
713 u8 gen_stat2 = cx18_av_read(cx, 0x40e);
714 int vid_input = state->vid_input;
716 CX18_INFO("Video signal: %spresent\n",
717 (gen_stat2 & 0x20) ? "" : "not ");
718 CX18_INFO("Detected format: %s\n",
719 fmt_strs[gen_stat1 & 0xf]);
721 CX18_INFO("Specified standard: %s\n",
722 vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
724 if (vid_input >= CX18_AV_COMPOSITE1 &&
725 vid_input <= CX18_AV_COMPOSITE8) {
726 CX18_INFO("Specified video input: Composite %d\n",
727 vid_input - CX18_AV_COMPOSITE1 + 1);
729 CX18_INFO("Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
730 (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
733 CX18_INFO("Specified audioclock freq: %d Hz\n", state->audclk_freq);
736 /* ----------------------------------------------------------------------- */
738 static void log_audio_status(struct cx18 *cx)
740 struct cx18_av_state *state = &cx->av_state;
741 u8 download_ctl = cx18_av_read(cx, 0x803);
742 u8 mod_det_stat0 = cx18_av_read(cx, 0x804);
743 u8 mod_det_stat1 = cx18_av_read(cx, 0x805);
744 u8 audio_config = cx18_av_read(cx, 0x808);
745 u8 pref_mode = cx18_av_read(cx, 0x809);
746 u8 afc0 = cx18_av_read(cx, 0x80b);
747 u8 mute_ctl = cx18_av_read(cx, 0x8d3);
748 int aud_input = state->aud_input;
751 switch (mod_det_stat0) {
752 case 0x00: p = "mono"; break;
753 case 0x01: p = "stereo"; break;
754 case 0x02: p = "dual"; break;
755 case 0x04: p = "tri"; break;
756 case 0x10: p = "mono with SAP"; break;
757 case 0x11: p = "stereo with SAP"; break;
758 case 0x12: p = "dual with SAP"; break;
759 case 0x14: p = "tri with SAP"; break;
760 case 0xfe: p = "forced mode"; break;
761 default: p = "not defined"; break;
763 CX18_INFO("Detected audio mode: %s\n", p);
765 switch (mod_det_stat1) {
766 case 0x00: p = "not defined"; break;
767 case 0x01: p = "EIAJ"; break;
768 case 0x02: p = "A2-M"; break;
769 case 0x03: p = "A2-BG"; break;
770 case 0x04: p = "A2-DK1"; break;
771 case 0x05: p = "A2-DK2"; break;
772 case 0x06: p = "A2-DK3"; break;
773 case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
774 case 0x08: p = "AM-L"; break;
775 case 0x09: p = "NICAM-BG"; break;
776 case 0x0a: p = "NICAM-DK"; break;
777 case 0x0b: p = "NICAM-I"; break;
778 case 0x0c: p = "NICAM-L"; break;
779 case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
780 case 0x0e: p = "IF FM Radio"; break;
781 case 0x0f: p = "BTSC"; break;
782 case 0x10: p = "detected chrominance"; break;
783 case 0xfd: p = "unknown audio standard"; break;
784 case 0xfe: p = "forced audio standard"; break;
785 case 0xff: p = "no detected audio standard"; break;
786 default: p = "not defined"; break;
788 CX18_INFO("Detected audio standard: %s\n", p);
789 CX18_INFO("Audio muted: %s\n",
790 (mute_ctl & 0x2) ? "yes" : "no");
791 CX18_INFO("Audio microcontroller: %s\n",
792 (download_ctl & 0x10) ? "running" : "stopped");
794 switch (audio_config >> 4) {
795 case 0x00: p = "undefined"; break;
796 case 0x01: p = "BTSC"; break;
797 case 0x02: p = "EIAJ"; break;
798 case 0x03: p = "A2-M"; break;
799 case 0x04: p = "A2-BG"; break;
800 case 0x05: p = "A2-DK1"; break;
801 case 0x06: p = "A2-DK2"; break;
802 case 0x07: p = "A2-DK3"; break;
803 case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
804 case 0x09: p = "AM-L"; break;
805 case 0x0a: p = "NICAM-BG"; break;
806 case 0x0b: p = "NICAM-DK"; break;
807 case 0x0c: p = "NICAM-I"; break;
808 case 0x0d: p = "NICAM-L"; break;
809 case 0x0e: p = "FM radio"; break;
810 case 0x0f: p = "automatic detection"; break;
811 default: p = "undefined"; break;
813 CX18_INFO("Configured audio standard: %s\n", p);
815 if ((audio_config >> 4) < 0xF) {
816 switch (audio_config & 0xF) {
817 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
818 case 0x01: p = "MONO2 (LANGUAGE B)"; break;
819 case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
820 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
821 case 0x04: p = "STEREO"; break;
822 case 0x05: p = "DUAL1 (AC)"; break;
823 case 0x06: p = "DUAL2 (BC)"; break;
824 case 0x07: p = "DUAL3 (AB)"; break;
825 default: p = "undefined";
827 CX18_INFO("Configured audio mode: %s\n", p);
829 switch (audio_config & 0xF) {
830 case 0x00: p = "BG"; break;
831 case 0x01: p = "DK1"; break;
832 case 0x02: p = "DK2"; break;
833 case 0x03: p = "DK3"; break;
834 case 0x04: p = "I"; break;
835 case 0x05: p = "L"; break;
836 case 0x06: p = "BTSC"; break;
837 case 0x07: p = "EIAJ"; break;
838 case 0x08: p = "A2-M"; break;
839 case 0x09: p = "FM Radio (4.5 MHz)"; break;
840 case 0x0a: p = "FM Radio (5.5 MHz)"; break;
841 case 0x0b: p = "S-Video"; break;
842 case 0x0f: p = "automatic standard and mode detection"; break;
843 default: p = "undefined"; break;
845 CX18_INFO("Configured audio system: %s\n", p);
849 CX18_INFO("Specified audio input: Tuner (In%d)\n",
852 CX18_INFO("Specified audio input: External\n");
854 switch (pref_mode & 0xf) {
855 case 0: p = "mono/language A"; break;
856 case 1: p = "language B"; break;
857 case 2: p = "language C"; break;
858 case 3: p = "analog fallback"; break;
859 case 4: p = "stereo"; break;
860 case 5: p = "language AC"; break;
861 case 6: p = "language BC"; break;
862 case 7: p = "language AB"; break;
863 default: p = "undefined"; break;
865 CX18_INFO("Preferred audio mode: %s\n", p);
867 if ((audio_config & 0xf) == 0xf) {
868 switch ((afc0 >> 3) & 0x1) {
869 case 0: p = "system DK"; break;
870 case 1: p = "system L"; break;
872 CX18_INFO("Selected 65 MHz format: %s\n", p);
874 switch (afc0 & 0x7) {
875 case 0: p = "Chroma"; break;
876 case 1: p = "BTSC"; break;
877 case 2: p = "EIAJ"; break;
878 case 3: p = "A2-M"; break;
879 case 4: p = "autodetect"; break;
880 default: p = "undefined"; break;
882 CX18_INFO("Selected 45 MHz format: %s\n", p);