3 cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver
5 (c) 2001 Michael Eskin, Tom Zakrajsek [Windows version]
6 (c) 2002 Yurij Sysoev <yurij@naturesoft.net>
7 (c) 2003 Gerd Knorr <kraxel@bytesex.org>
9 -----------------------------------------------------------------------
11 Lot of voodoo here. Even the data sheet doesn't help to
12 understand what is going on here, the documentation for the audio
13 part of the cx2388x chip is *very* bad.
15 Some of this comes from party done linux driver sources I got from
18 Some comes from the dscaler sources, one of the dscaler driver guy works
21 -----------------------------------------------------------------------
23 This program is free software; you can redistribute it and/or modify
24 it under the terms of the GNU General Public License as published by
25 the Free Software Foundation; either version 2 of the License, or
26 (at your option) any later version.
28 This program is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU General Public License for more details.
33 You should have received a copy of the GNU General Public License
34 along with this program; if not, write to the Free Software
35 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
38 #include <linux/module.h>
39 #include <linux/moduleparam.h>
40 #include <linux/errno.h>
41 #include <linux/kernel.h>
42 #include <linux/slab.h>
44 #include <linux/poll.h>
45 #include <linux/pci.h>
46 #include <linux/signal.h>
47 #include <linux/ioport.h>
48 #include <linux/sched.h>
49 #include <linux/types.h>
50 #include <linux/interrupt.h>
51 #include <linux/vmalloc.h>
52 #include <linux/init.h>
53 #include <linux/smp_lock.h>
54 #include <linux/delay.h>
55 #include <linux/kthread.h>
59 static unsigned int audio_debug = 0;
60 module_param(audio_debug, int, 0644);
61 MODULE_PARM_DESC(audio_debug, "enable debug messages [audio]");
63 #define dprintk(fmt, arg...) if (audio_debug) \
64 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
66 /* ----------------------------------------------------------- */
68 static char *aud_ctl_names[64] = {
69 [EN_BTSC_FORCE_MONO] = "BTSC_FORCE_MONO",
70 [EN_BTSC_FORCE_STEREO] = "BTSC_FORCE_STEREO",
71 [EN_BTSC_FORCE_SAP] = "BTSC_FORCE_SAP",
72 [EN_BTSC_AUTO_STEREO] = "BTSC_AUTO_STEREO",
73 [EN_BTSC_AUTO_SAP] = "BTSC_AUTO_SAP",
74 [EN_A2_FORCE_MONO1] = "A2_FORCE_MONO1",
75 [EN_A2_FORCE_MONO2] = "A2_FORCE_MONO2",
76 [EN_A2_FORCE_STEREO] = "A2_FORCE_STEREO",
77 [EN_A2_AUTO_MONO2] = "A2_AUTO_MONO2",
78 [EN_A2_AUTO_STEREO] = "A2_AUTO_STEREO",
79 [EN_EIAJ_FORCE_MONO1] = "EIAJ_FORCE_MONO1",
80 [EN_EIAJ_FORCE_MONO2] = "EIAJ_FORCE_MONO2",
81 [EN_EIAJ_FORCE_STEREO] = "EIAJ_FORCE_STEREO",
82 [EN_EIAJ_AUTO_MONO2] = "EIAJ_AUTO_MONO2",
83 [EN_EIAJ_AUTO_STEREO] = "EIAJ_AUTO_STEREO",
84 [EN_NICAM_FORCE_MONO1] = "NICAM_FORCE_MONO1",
85 [EN_NICAM_FORCE_MONO2] = "NICAM_FORCE_MONO2",
86 [EN_NICAM_FORCE_STEREO] = "NICAM_FORCE_STEREO",
87 [EN_NICAM_AUTO_MONO2] = "NICAM_AUTO_MONO2",
88 [EN_NICAM_AUTO_STEREO] = "NICAM_AUTO_STEREO",
89 [EN_FMRADIO_FORCE_MONO] = "FMRADIO_FORCE_MONO",
90 [EN_FMRADIO_FORCE_STEREO] = "FMRADIO_FORCE_STEREO",
91 [EN_FMRADIO_AUTO_STEREO] = "FMRADIO_AUTO_STEREO",
99 static void set_audio_registers(struct cx88_core *core, const struct rlist *l)
103 for (i = 0; l[i].reg; i++) {
105 case AUD_PDF_DDS_CNST_BYTE2:
106 case AUD_PDF_DDS_CNST_BYTE1:
107 case AUD_PDF_DDS_CNST_BYTE0:
109 case AUD_PHACC_FREQ_8MSB:
110 case AUD_PHACC_FREQ_8LSB:
111 cx_writeb(l[i].reg, l[i].val);
114 cx_write(l[i].reg, l[i].val);
120 static void set_audio_start(struct cx88_core *core, u32 mode)
123 cx_write(AUD_VOL_CTL, (1 << 6));
125 /* start programming */
126 cx_write(AUD_INIT, mode);
127 cx_write(AUD_INIT_LD, 0x0001);
128 cx_write(AUD_SOFT_RESET, 0x0001);
131 static void set_audio_finish(struct cx88_core *core, u32 ctl)
135 #ifndef USING_CX88_ALSA
136 /* restart dma; This avoids buzz in NICAM and is good in others */
137 cx88_stop_audio_dma(core);
139 cx_write(AUD_RATE_THRES_DMD, 0x000000C0);
140 #ifndef USING_CX88_ALSA
141 cx88_start_audio_dma(core);
144 if (cx88_boards[core->board].blackbird) {
145 /* sets sound input from external adc */
146 if (core->board == CX88_BOARD_HAUPPAUGE_ROSLYN)
147 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
149 cx_set(AUD_CTL, EN_I2SIN_ENABLE);
151 cx_write(AUD_I2SINPUTCNTL, 4);
152 cx_write(AUD_BAUDRATE, 1);
153 /* 'pass-thru mode': this enables the i2s output to the mpeg encoder */
154 cx_set(AUD_CTL, EN_I2SOUT_ENABLE);
155 cx_write(AUD_I2SOUTPUTCNTL, 1);
156 cx_write(AUD_I2SCNTL, 0);
157 /* cx_write(AUD_APB_IN_RATE_ADJ, 0); */
159 ctl |= EN_DAC_ENABLE;
160 cx_write(AUD_CTL, ctl);
163 /* finish programming */
164 cx_write(AUD_SOFT_RESET, 0x0000);
167 volume = cx_sread(SHADOW_AUD_VOL_CTL);
168 cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, volume);
171 /* ----------------------------------------------------------- */
173 static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap,
176 static const struct rlist btsc[] = {
177 {AUD_AFE_12DB_EN, 0x00000001},
178 {AUD_OUT1_SEL, 0x00000013},
179 {AUD_OUT1_SHIFT, 0x00000000},
180 {AUD_POLY0_DDS_CONSTANT, 0x0012010c},
181 {AUD_DMD_RA_DDS, 0x00c3e7aa},
182 {AUD_DBX_IN_GAIN, 0x00004734},
183 {AUD_DBX_WBE_GAIN, 0x00004640},
184 {AUD_DBX_SE_GAIN, 0x00008d31},
185 {AUD_DCOC_0_SRC, 0x0000001a},
186 {AUD_IIR1_4_SEL, 0x00000021},
187 {AUD_DCOC_PASS_IN, 0x00000003},
188 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
189 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
190 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
191 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
192 {AUD_DN0_FREQ, 0x0000283b},
193 {AUD_DN2_SRC_SEL, 0x00000008},
194 {AUD_DN2_FREQ, 0x00003000},
195 {AUD_DN2_AFC, 0x00000002},
196 {AUD_DN2_SHFT, 0x00000000},
197 {AUD_IIR2_2_SEL, 0x00000020},
198 {AUD_IIR2_2_SHIFT, 0x00000000},
199 {AUD_IIR2_3_SEL, 0x0000001f},
200 {AUD_IIR2_3_SHIFT, 0x00000000},
201 {AUD_CRDC1_SRC_SEL, 0x000003ce},
202 {AUD_CRDC1_SHIFT, 0x00000000},
203 {AUD_CORDIC_SHIFT_1, 0x00000007},
204 {AUD_DCOC_1_SRC, 0x0000001b},
205 {AUD_DCOC1_SHIFT, 0x00000000},
206 {AUD_RDSI_SEL, 0x00000008},
207 {AUD_RDSQ_SEL, 0x00000008},
208 {AUD_RDSI_SHIFT, 0x00000000},
209 {AUD_RDSQ_SHIFT, 0x00000000},
210 {AUD_POLYPH80SCALEFAC, 0x00000003},
211 { /* end of list */ },
213 static const struct rlist btsc_sap[] = {
214 {AUD_AFE_12DB_EN, 0x00000001},
215 {AUD_DBX_IN_GAIN, 0x00007200},
216 {AUD_DBX_WBE_GAIN, 0x00006200},
217 {AUD_DBX_SE_GAIN, 0x00006200},
218 {AUD_IIR1_1_SEL, 0x00000000},
219 {AUD_IIR1_3_SEL, 0x00000001},
220 {AUD_DN1_SRC_SEL, 0x00000007},
221 {AUD_IIR1_4_SHIFT, 0x00000006},
222 {AUD_IIR2_1_SHIFT, 0x00000000},
223 {AUD_IIR2_2_SHIFT, 0x00000000},
224 {AUD_IIR3_0_SHIFT, 0x00000000},
225 {AUD_IIR3_1_SHIFT, 0x00000000},
226 {AUD_IIR3_0_SEL, 0x0000000d},
227 {AUD_IIR3_1_SEL, 0x0000000e},
228 {AUD_DEEMPH1_SRC_SEL, 0x00000014},
229 {AUD_DEEMPH1_SHIFT, 0x00000000},
230 {AUD_DEEMPH1_G0, 0x00004000},
231 {AUD_DEEMPH1_A0, 0x00000000},
232 {AUD_DEEMPH1_B0, 0x00000000},
233 {AUD_DEEMPH1_A1, 0x00000000},
234 {AUD_DEEMPH1_B1, 0x00000000},
235 {AUD_OUT0_SEL, 0x0000003f},
236 {AUD_OUT1_SEL, 0x0000003f},
237 {AUD_DN1_AFC, 0x00000002},
238 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
239 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
240 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
241 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
242 {AUD_IIR1_0_SEL, 0x0000001d},
243 {AUD_IIR1_2_SEL, 0x0000001e},
244 {AUD_IIR2_1_SEL, 0x00000002},
245 {AUD_IIR2_2_SEL, 0x00000004},
246 {AUD_IIR3_2_SEL, 0x0000000f},
247 {AUD_DCOC2_SHIFT, 0x00000001},
248 {AUD_IIR3_2_SHIFT, 0x00000001},
249 {AUD_DEEMPH0_SRC_SEL, 0x00000014},
250 {AUD_CORDIC_SHIFT_1, 0x00000006},
251 {AUD_POLY0_DDS_CONSTANT, 0x000e4db2},
252 {AUD_DMD_RA_DDS, 0x00f696e6},
253 {AUD_IIR2_3_SEL, 0x00000025},
254 {AUD_IIR1_4_SEL, 0x00000021},
255 {AUD_DN1_FREQ, 0x0000c965},
256 {AUD_DCOC_PASS_IN, 0x00000003},
257 {AUD_DCOC_0_SRC, 0x0000001a},
258 {AUD_DCOC_1_SRC, 0x0000001b},
259 {AUD_DCOC1_SHIFT, 0x00000000},
260 {AUD_RDSI_SEL, 0x00000009},
261 {AUD_RDSQ_SEL, 0x00000009},
262 {AUD_RDSI_SHIFT, 0x00000000},
263 {AUD_RDSQ_SHIFT, 0x00000000},
264 {AUD_POLYPH80SCALEFAC, 0x00000003},
265 { /* end of list */ },
268 mode |= EN_FMRADIO_EN_RDS;
271 dprintk("%s SAP (status: unknown)\n", __FUNCTION__);
272 set_audio_start(core, SEL_SAP);
273 set_audio_registers(core, btsc_sap);
274 set_audio_finish(core, mode);
276 dprintk("%s (status: known-good)\n", __FUNCTION__);
277 set_audio_start(core, SEL_BTSC);
278 set_audio_registers(core, btsc);
279 set_audio_finish(core, mode);
283 static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode)
285 static const struct rlist nicam_l[] = {
286 {AUD_AFE_12DB_EN, 0x00000001},
287 {AUD_RATE_ADJ1, 0x00000060},
288 {AUD_RATE_ADJ2, 0x000000F9},
289 {AUD_RATE_ADJ3, 0x000001CC},
290 {AUD_RATE_ADJ4, 0x000002B3},
291 {AUD_RATE_ADJ5, 0x00000726},
292 {AUD_DEEMPHDENOM1_R, 0x0000F3D0},
293 {AUD_DEEMPHDENOM2_R, 0x00000000},
294 {AUD_ERRLOGPERIOD_R, 0x00000064},
295 {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF},
296 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F},
297 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F},
298 {AUD_POLYPH80SCALEFAC, 0x00000003},
299 {AUD_DMD_RA_DDS, 0x00C00000},
300 {AUD_PLL_INT, 0x0000001E},
301 {AUD_PLL_DDS, 0x00000000},
302 {AUD_PLL_FRAC, 0x0000E542},
303 {AUD_START_TIMER, 0x00000000},
304 {AUD_DEEMPHNUMER1_R, 0x000353DE},
305 {AUD_DEEMPHNUMER2_R, 0x000001B1},
306 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
307 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
308 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
309 {AUD_QAM_MODE, 0x05},
310 {AUD_PHACC_FREQ_8MSB, 0x34},
311 {AUD_PHACC_FREQ_8LSB, 0x4C},
312 {AUD_DEEMPHGAIN_R, 0x00006680},
313 {AUD_RATE_THRES_DMD, 0x000000C0},
314 { /* end of list */ },
317 static const struct rlist nicam_bgdki_common[] = {
318 {AUD_AFE_12DB_EN, 0x00000001},
319 {AUD_RATE_ADJ1, 0x00000010},
320 {AUD_RATE_ADJ2, 0x00000040},
321 {AUD_RATE_ADJ3, 0x00000100},
322 {AUD_RATE_ADJ4, 0x00000400},
323 {AUD_RATE_ADJ5, 0x00001000},
324 {AUD_ERRLOGPERIOD_R, 0x00000fff},
325 {AUD_ERRINTRPTTHSHLD1_R, 0x000003ff},
326 {AUD_ERRINTRPTTHSHLD2_R, 0x000000ff},
327 {AUD_ERRINTRPTTHSHLD3_R, 0x0000003f},
328 {AUD_POLYPH80SCALEFAC, 0x00000003},
329 {AUD_DEEMPHGAIN_R, 0x000023c2},
330 {AUD_DEEMPHNUMER1_R, 0x0002a7bc},
331 {AUD_DEEMPHNUMER2_R, 0x0003023e},
332 {AUD_DEEMPHDENOM1_R, 0x0000f3d0},
333 {AUD_DEEMPHDENOM2_R, 0x00000000},
334 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
335 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
336 {AUD_QAM_MODE, 0x05},
337 { /* end of list */ },
340 static const struct rlist nicam_i[] = {
341 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
342 {AUD_PHACC_FREQ_8MSB, 0x3a},
343 {AUD_PHACC_FREQ_8LSB, 0x93},
344 { /* end of list */ },
347 static const struct rlist nicam_default[] = {
348 {AUD_PDF_DDS_CNST_BYTE0, 0x16},
349 {AUD_PHACC_FREQ_8MSB, 0x34},
350 {AUD_PHACC_FREQ_8LSB, 0x4c},
351 { /* end of list */ },
354 set_audio_start(core,SEL_NICAM);
355 switch (core->tvaudio) {
357 dprintk("%s SECAM-L NICAM (status: devel)\n", __FUNCTION__);
358 set_audio_registers(core, nicam_l);
361 dprintk("%s PAL-I NICAM (status: known-good)\n", __FUNCTION__);
362 set_audio_registers(core, nicam_bgdki_common);
363 set_audio_registers(core, nicam_i);
366 dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __FUNCTION__);
367 set_audio_registers(core, nicam_bgdki_common);
368 set_audio_registers(core, nicam_default);
372 mode |= EN_DMTRX_LR | EN_DMTRX_BYPASS;
373 set_audio_finish(core, mode);
376 static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
378 static const struct rlist a2_bgdk_common[] = {
379 {AUD_ERRLOGPERIOD_R, 0x00000064},
380 {AUD_ERRINTRPTTHSHLD1_R, 0x00000fff},
381 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001f},
382 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000f},
383 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
384 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
385 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
386 {AUD_QAM_MODE, 0x05},
387 {AUD_PHACC_FREQ_8MSB, 0x34},
388 {AUD_PHACC_FREQ_8LSB, 0x4c},
389 {AUD_RATE_ADJ1, 0x00000100},
390 {AUD_RATE_ADJ2, 0x00000200},
391 {AUD_RATE_ADJ3, 0x00000300},
392 {AUD_RATE_ADJ4, 0x00000400},
393 {AUD_RATE_ADJ5, 0x00000500},
394 {AUD_THR_FR, 0x00000000},
395 {AAGC_HYST, 0x0000001a},
396 {AUD_PILOT_BQD_1_K0, 0x0000755b},
397 {AUD_PILOT_BQD_1_K1, 0x00551340},
398 {AUD_PILOT_BQD_1_K2, 0x006d30be},
399 {AUD_PILOT_BQD_1_K3, 0xffd394af},
400 {AUD_PILOT_BQD_1_K4, 0x00400000},
401 {AUD_PILOT_BQD_2_K0, 0x00040000},
402 {AUD_PILOT_BQD_2_K1, 0x002a4841},
403 {AUD_PILOT_BQD_2_K2, 0x00400000},
404 {AUD_PILOT_BQD_2_K3, 0x00000000},
405 {AUD_PILOT_BQD_2_K4, 0x00000000},
406 {AUD_MODE_CHG_TIMER, 0x00000040},
407 {AUD_AFE_12DB_EN, 0x00000001},
408 {AUD_CORDIC_SHIFT_0, 0x00000007},
409 {AUD_CORDIC_SHIFT_1, 0x00000007},
410 {AUD_DEEMPH0_G0, 0x00000380},
411 {AUD_DEEMPH1_G0, 0x00000380},
412 {AUD_DCOC_0_SRC, 0x0000001a},
413 {AUD_DCOC0_SHIFT, 0x00000000},
414 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
415 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
416 {AUD_DCOC_PASS_IN, 0x00000003},
417 {AUD_IIR3_0_SEL, 0x00000021},
418 {AUD_DN2_AFC, 0x00000002},
419 {AUD_DCOC_1_SRC, 0x0000001b},
420 {AUD_DCOC1_SHIFT, 0x00000000},
421 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
422 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
423 {AUD_IIR3_1_SEL, 0x00000023},
424 {AUD_RDSI_SEL, 0x00000017},
425 {AUD_RDSI_SHIFT, 0x00000000},
426 {AUD_RDSQ_SEL, 0x00000017},
427 {AUD_RDSQ_SHIFT, 0x00000000},
428 {AUD_PLL_INT, 0x0000001e},
429 {AUD_PLL_DDS, 0x00000000},
430 {AUD_PLL_FRAC, 0x0000e542},
431 {AUD_POLYPH80SCALEFAC, 0x00000001},
432 {AUD_START_TIMER, 0x00000000},
433 { /* end of list */ },
436 static const struct rlist a2_bg[] = {
437 {AUD_DMD_RA_DDS, 0x002a4f2f},
438 {AUD_C1_UP_THR, 0x00007000},
439 {AUD_C1_LO_THR, 0x00005400},
440 {AUD_C2_UP_THR, 0x00005400},
441 {AUD_C2_LO_THR, 0x00003000},
442 { /* end of list */ },
445 static const struct rlist a2_dk[] = {
446 {AUD_DMD_RA_DDS, 0x002a4f2f},
447 {AUD_C1_UP_THR, 0x00007000},
448 {AUD_C1_LO_THR, 0x00005400},
449 {AUD_C2_UP_THR, 0x00005400},
450 {AUD_C2_LO_THR, 0x00003000},
451 {AUD_DN0_FREQ, 0x00003a1c},
452 {AUD_DN2_FREQ, 0x0000d2e0},
453 { /* end of list */ },
456 static const struct rlist a1_i[] = {
457 {AUD_ERRLOGPERIOD_R, 0x00000064},
458 {AUD_ERRINTRPTTHSHLD1_R, 0x00000fff},
459 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001f},
460 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000f},
461 {AUD_PDF_DDS_CNST_BYTE2, 0x06},
462 {AUD_PDF_DDS_CNST_BYTE1, 0x82},
463 {AUD_PDF_DDS_CNST_BYTE0, 0x12},
464 {AUD_QAM_MODE, 0x05},
465 {AUD_PHACC_FREQ_8MSB, 0x3a},
466 {AUD_PHACC_FREQ_8LSB, 0x93},
467 {AUD_DMD_RA_DDS, 0x002a4f2f},
468 {AUD_PLL_INT, 0x0000001e},
469 {AUD_PLL_DDS, 0x00000004},
470 {AUD_PLL_FRAC, 0x0000e542},
471 {AUD_RATE_ADJ1, 0x00000100},
472 {AUD_RATE_ADJ2, 0x00000200},
473 {AUD_RATE_ADJ3, 0x00000300},
474 {AUD_RATE_ADJ4, 0x00000400},
475 {AUD_RATE_ADJ5, 0x00000500},
476 {AUD_THR_FR, 0x00000000},
477 {AUD_PILOT_BQD_1_K0, 0x0000755b},
478 {AUD_PILOT_BQD_1_K1, 0x00551340},
479 {AUD_PILOT_BQD_1_K2, 0x006d30be},
480 {AUD_PILOT_BQD_1_K3, 0xffd394af},
481 {AUD_PILOT_BQD_1_K4, 0x00400000},
482 {AUD_PILOT_BQD_2_K0, 0x00040000},
483 {AUD_PILOT_BQD_2_K1, 0x002a4841},
484 {AUD_PILOT_BQD_2_K2, 0x00400000},
485 {AUD_PILOT_BQD_2_K3, 0x00000000},
486 {AUD_PILOT_BQD_2_K4, 0x00000000},
487 {AUD_MODE_CHG_TIMER, 0x00000060},
488 {AUD_AFE_12DB_EN, 0x00000001},
489 {AAGC_HYST, 0x0000000a},
490 {AUD_CORDIC_SHIFT_0, 0x00000007},
491 {AUD_CORDIC_SHIFT_1, 0x00000007},
492 {AUD_C1_UP_THR, 0x00007000},
493 {AUD_C1_LO_THR, 0x00005400},
494 {AUD_C2_UP_THR, 0x00005400},
495 {AUD_C2_LO_THR, 0x00003000},
496 {AUD_DCOC_0_SRC, 0x0000001a},
497 {AUD_DCOC0_SHIFT, 0x00000000},
498 {AUD_DCOC_0_SHIFT_IN0, 0x0000000a},
499 {AUD_DCOC_0_SHIFT_IN1, 0x00000008},
500 {AUD_DCOC_PASS_IN, 0x00000003},
501 {AUD_IIR3_0_SEL, 0x00000021},
502 {AUD_DN2_AFC, 0x00000002},
503 {AUD_DCOC_1_SRC, 0x0000001b},
504 {AUD_DCOC1_SHIFT, 0x00000000},
505 {AUD_DCOC_1_SHIFT_IN0, 0x0000000a},
506 {AUD_DCOC_1_SHIFT_IN1, 0x00000008},
507 {AUD_IIR3_1_SEL, 0x00000023},
508 {AUD_DN0_FREQ, 0x000035a3},
509 {AUD_DN2_FREQ, 0x000029c7},
510 {AUD_CRDC0_SRC_SEL, 0x00000511},
511 {AUD_IIR1_0_SEL, 0x00000001},
512 {AUD_IIR1_1_SEL, 0x00000000},
513 {AUD_IIR3_2_SEL, 0x00000003},
514 {AUD_IIR3_2_SHIFT, 0x00000000},
515 {AUD_IIR3_0_SEL, 0x00000002},
516 {AUD_IIR2_0_SEL, 0x00000021},
517 {AUD_IIR2_0_SHIFT, 0x00000002},
518 {AUD_DEEMPH0_SRC_SEL, 0x0000000b},
519 {AUD_DEEMPH1_SRC_SEL, 0x0000000b},
520 {AUD_POLYPH80SCALEFAC, 0x00000001},
521 {AUD_START_TIMER, 0x00000000},
522 { /* end of list */ },
525 static const struct rlist am_l[] = {
526 {AUD_ERRLOGPERIOD_R, 0x00000064},
527 {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF},
528 {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F},
529 {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F},
530 {AUD_PDF_DDS_CNST_BYTE2, 0x48},
531 {AUD_PDF_DDS_CNST_BYTE1, 0x3D},
532 {AUD_QAM_MODE, 0x00},
533 {AUD_PDF_DDS_CNST_BYTE0, 0xf5},
534 {AUD_PHACC_FREQ_8MSB, 0x3a},
535 {AUD_PHACC_FREQ_8LSB, 0x4a},
536 {AUD_DEEMPHGAIN_R, 0x00006680},
537 {AUD_DEEMPHNUMER1_R, 0x000353DE},
538 {AUD_DEEMPHNUMER2_R, 0x000001B1},
539 {AUD_DEEMPHDENOM1_R, 0x0000F3D0},
540 {AUD_DEEMPHDENOM2_R, 0x00000000},
541 {AUD_FM_MODE_ENABLE, 0x00000007},
542 {AUD_POLYPH80SCALEFAC, 0x00000003},
543 {AUD_AFE_12DB_EN, 0x00000001},
544 {AAGC_GAIN, 0x00000000},
545 {AAGC_HYST, 0x00000018},
546 {AAGC_DEF, 0x00000020},
547 {AUD_DN0_FREQ, 0x00000000},
548 {AUD_POLY0_DDS_CONSTANT, 0x000E4DB2},
549 {AUD_DCOC_0_SRC, 0x00000021},
550 {AUD_IIR1_0_SEL, 0x00000000},
551 {AUD_IIR1_0_SHIFT, 0x00000007},
552 {AUD_IIR1_1_SEL, 0x00000002},
553 {AUD_IIR1_1_SHIFT, 0x00000000},
554 {AUD_DCOC_1_SRC, 0x00000003},
555 {AUD_DCOC1_SHIFT, 0x00000000},
556 {AUD_DCOC_PASS_IN, 0x00000000},
557 {AUD_IIR1_2_SEL, 0x00000023},
558 {AUD_IIR1_2_SHIFT, 0x00000000},
559 {AUD_IIR1_3_SEL, 0x00000004},
560 {AUD_IIR1_3_SHIFT, 0x00000007},
561 {AUD_IIR1_4_SEL, 0x00000005},
562 {AUD_IIR1_4_SHIFT, 0x00000007},
563 {AUD_IIR3_0_SEL, 0x00000007},
564 {AUD_IIR3_0_SHIFT, 0x00000000},
565 {AUD_DEEMPH0_SRC_SEL, 0x00000011},
566 {AUD_DEEMPH0_SHIFT, 0x00000000},
567 {AUD_DEEMPH0_G0, 0x00007000},
568 {AUD_DEEMPH0_A0, 0x00000000},
569 {AUD_DEEMPH0_B0, 0x00000000},
570 {AUD_DEEMPH0_A1, 0x00000000},
571 {AUD_DEEMPH0_B1, 0x00000000},
572 {AUD_DEEMPH1_SRC_SEL, 0x00000011},
573 {AUD_DEEMPH1_SHIFT, 0x00000000},
574 {AUD_DEEMPH1_G0, 0x00007000},
575 {AUD_DEEMPH1_A0, 0x00000000},
576 {AUD_DEEMPH1_B0, 0x00000000},
577 {AUD_DEEMPH1_A1, 0x00000000},
578 {AUD_DEEMPH1_B1, 0x00000000},
579 {AUD_OUT0_SEL, 0x0000003F},
580 {AUD_OUT1_SEL, 0x0000003F},
581 {AUD_DMD_RA_DDS, 0x00F5C285},
582 {AUD_PLL_INT, 0x0000001E},
583 {AUD_PLL_DDS, 0x00000000},
584 {AUD_PLL_FRAC, 0x0000E542},
585 {AUD_RATE_ADJ1, 0x00000100},
586 {AUD_RATE_ADJ2, 0x00000200},
587 {AUD_RATE_ADJ3, 0x00000300},
588 {AUD_RATE_ADJ4, 0x00000400},
589 {AUD_RATE_ADJ5, 0x00000500},
590 {AUD_RATE_THRES_DMD, 0x000000C0},
591 { /* end of list */ },
594 static const struct rlist a2_deemph50[] = {
595 {AUD_DEEMPH0_G0, 0x00000380},
596 {AUD_DEEMPH1_G0, 0x00000380},
597 {AUD_DEEMPHGAIN_R, 0x000011e1},
598 {AUD_DEEMPHNUMER1_R, 0x0002a7bc},
599 {AUD_DEEMPHNUMER2_R, 0x0003023c},
600 { /* end of list */ },
603 set_audio_start(core, SEL_A2);
604 switch (core->tvaudio) {
606 dprintk("%s PAL-BG A1/2 (status: known-good)\n", __FUNCTION__);
607 set_audio_registers(core, a2_bgdk_common);
608 set_audio_registers(core, a2_bg);
609 set_audio_registers(core, a2_deemph50);
612 dprintk("%s PAL-DK A1/2 (status: known-good)\n", __FUNCTION__);
613 set_audio_registers(core, a2_bgdk_common);
614 set_audio_registers(core, a2_dk);
615 set_audio_registers(core, a2_deemph50);
618 dprintk("%s PAL-I A1 (status: known-good)\n", __FUNCTION__);
619 set_audio_registers(core, a1_i);
620 set_audio_registers(core, a2_deemph50);
623 dprintk("%s AM-L (status: devel)\n", __FUNCTION__);
624 set_audio_registers(core, am_l);
627 dprintk("%s Warning: wrong value\n", __FUNCTION__);
632 mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF;
633 set_audio_finish(core, mode);
636 static void set_audio_standard_EIAJ(struct cx88_core *core)
638 static const struct rlist eiaj[] = {
639 /* TODO: eiaj register settings are not there yet ... */
641 { /* end of list */ },
643 dprintk("%s (status: unknown)\n", __FUNCTION__);
645 set_audio_start(core, SEL_EIAJ);
646 set_audio_registers(core, eiaj);
647 set_audio_finish(core, EN_EIAJ_AUTO_STEREO);
650 static void set_audio_standard_FM(struct cx88_core *core,
651 enum cx88_deemph_type deemph)
653 static const struct rlist fm_deemph_50[] = {
654 {AUD_DEEMPH0_G0, 0x0C45},
655 {AUD_DEEMPH0_A0, 0x6262},
656 {AUD_DEEMPH0_B0, 0x1C29},
657 {AUD_DEEMPH0_A1, 0x3FC66},
658 {AUD_DEEMPH0_B1, 0x399A},
660 {AUD_DEEMPH1_G0, 0x0D80},
661 {AUD_DEEMPH1_A0, 0x6262},
662 {AUD_DEEMPH1_B0, 0x1C29},
663 {AUD_DEEMPH1_A1, 0x3FC66},
664 {AUD_DEEMPH1_B1, 0x399A},
666 {AUD_POLYPH80SCALEFAC, 0x0003},
667 { /* end of list */ },
669 static const struct rlist fm_deemph_75[] = {
670 {AUD_DEEMPH0_G0, 0x091B},
671 {AUD_DEEMPH0_A0, 0x6B68},
672 {AUD_DEEMPH0_B0, 0x11EC},
673 {AUD_DEEMPH0_A1, 0x3FC66},
674 {AUD_DEEMPH0_B1, 0x399A},
676 {AUD_DEEMPH1_G0, 0x0AA0},
677 {AUD_DEEMPH1_A0, 0x6B68},
678 {AUD_DEEMPH1_B0, 0x11EC},
679 {AUD_DEEMPH1_A1, 0x3FC66},
680 {AUD_DEEMPH1_B1, 0x399A},
682 {AUD_POLYPH80SCALEFAC, 0x0003},
683 { /* end of list */ },
686 /* It is enough to leave default values? */
687 static const struct rlist fm_no_deemph[] = {
689 {AUD_POLYPH80SCALEFAC, 0x0003},
690 { /* end of list */ },
693 dprintk("%s (status: unknown)\n", __FUNCTION__);
694 set_audio_start(core, SEL_FMRADIO);
698 set_audio_registers(core, fm_no_deemph);
702 set_audio_registers(core, fm_deemph_50);
706 set_audio_registers(core, fm_deemph_75);
710 set_audio_finish(core, EN_FMRADIO_AUTO_STEREO);
713 /* ----------------------------------------------------------- */
715 int cx88_detect_nicam(struct cx88_core *core)
719 dprintk("start nicam autodetect.\n");
721 for (i = 0; i < 6; i++) {
722 /* if bit1=1 then nicam is detected */
723 j += ((cx_read(AUD_NICAM_STATUS2) & 0x02) >> 1);
726 dprintk("nicam is detected.\n");
730 /* wait a little bit for next reading status */
734 dprintk("nicam is not detected.\n");
738 void cx88_set_tvaudio(struct cx88_core *core)
740 switch (core->tvaudio) {
742 set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO);
748 /* prepare all dsp registers */
749 set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
751 /* set nicam mode - otherwise
752 AUD_NICAM_STATUS2 contains wrong values */
753 set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO);
754 if (0 == cx88_detect_nicam(core)) {
755 /* fall back to fm / am mono */
756 set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
763 set_audio_standard_EIAJ(core);
766 set_audio_standard_FM(core, FM_NO_DEEMPH);
770 printk("%s/0: unknown tv audio mode [%d]\n",
771 core->name, core->tvaudio);
777 void cx88_newstation(struct cx88_core *core)
779 core->audiomode_manual = UNSET;
782 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
784 static char *m[] = { "stereo", "dual mono", "mono", "sap" };
785 static char *p[] = { "no pilot", "pilot c1", "pilot c2", "?" };
786 u32 reg, mode, pilot;
788 reg = cx_read(AUD_STATUS);
790 pilot = (reg >> 2) & 0x03;
792 if (core->astat != reg)
793 dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n",
794 reg, m[mode], p[pilot],
795 aud_ctl_names[cx_read(AUD_CTL) & 63]);
799 Reading from AUD_STATUS is not enough
800 for auto-detecting sap/dual-fm/nicam.
801 Add some code here later.
805 t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP |
806 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
807 t->rxsubchans = V4L2_TUNER_SUB_MONO;
808 t->audmode = V4L2_TUNER_MODE_MONO;
810 switch (core->tvaudio) {
812 t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP;
813 t->rxsubchans = V4L2_TUNER_SUB_STEREO;
816 t->rxsubchans |= V4L2_TUNER_SUB_SAP;
825 V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
827 t->audmode = V4L2_TUNER_MODE_STEREO;
830 /* dual language -- FIXME */
832 V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
833 t->audmode = V4L2_TUNER_MODE_LANG1;
838 t->audmode = V4L2_TUNER_MODE_STEREO;
839 t->rxsubchans |= V4L2_TUNER_SUB_STEREO;
843 if (0x0 == mode && !(cx_read(AUD_INIT) & 0x04)) {
844 t->audmode = V4L2_TUNER_MODE_STEREO;
845 t->rxsubchans |= V4L2_TUNER_SUB_STEREO;
856 void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
862 core->audiomode_manual = mode;
864 if (UNSET != core->audiomode_manual)
867 core->audiomode_current = mode;
869 switch (core->tvaudio) {
872 case V4L2_TUNER_MODE_MONO:
873 set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_MONO);
875 case V4L2_TUNER_MODE_LANG1:
876 set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO);
878 case V4L2_TUNER_MODE_LANG2:
879 set_audio_standard_BTSC(core, 1, EN_BTSC_FORCE_SAP);
881 case V4L2_TUNER_MODE_STEREO:
882 set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_STEREO);
890 if (1 == core->use_nicam) {
892 case V4L2_TUNER_MODE_MONO:
893 case V4L2_TUNER_MODE_LANG1:
894 set_audio_standard_NICAM(core,
895 EN_NICAM_FORCE_MONO1);
897 case V4L2_TUNER_MODE_LANG2:
898 set_audio_standard_NICAM(core,
899 EN_NICAM_FORCE_MONO2);
901 case V4L2_TUNER_MODE_STEREO:
902 set_audio_standard_NICAM(core,
903 EN_NICAM_FORCE_STEREO);
907 if ((core->tvaudio == WW_I) || (core->tvaudio == WW_L)) {
908 /* fall back to fm / am mono */
909 set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
911 /* TODO: Add A2 autodection */
913 case V4L2_TUNER_MODE_MONO:
914 case V4L2_TUNER_MODE_LANG1:
915 set_audio_standard_A2(core,
918 case V4L2_TUNER_MODE_LANG2:
919 set_audio_standard_A2(core,
922 case V4L2_TUNER_MODE_STEREO:
923 set_audio_standard_A2(core,
932 case V4L2_TUNER_MODE_MONO:
933 ctl = EN_FMRADIO_FORCE_MONO;
936 case V4L2_TUNER_MODE_STEREO:
937 ctl = EN_FMRADIO_AUTO_STEREO;
945 dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x "
946 "[status=0x%x,ctl=0x%x,vol=0x%x]\n",
947 mask, ctl, cx_read(AUD_STATUS),
948 cx_read(AUD_CTL), cx_sread(SHADOW_AUD_VOL_CTL));
949 cx_andor(AUD_CTL, mask, ctl);
954 int cx88_audio_thread(void *data)
956 struct cx88_core *core = data;
960 dprintk("cx88: tvaudio thread started\n");
962 msleep_interruptible(1000);
963 if (kthread_should_stop())
966 /* just monitor the audio status for now ... */
967 memset(&t, 0, sizeof(t));
968 cx88_get_stereo(core, &t);
970 if (UNSET != core->audiomode_manual)
971 /* manually set, don't do anything. */
975 if (t.rxsubchans & V4L2_TUNER_SUB_STEREO)
976 mode = V4L2_TUNER_MODE_STEREO;
978 mode = V4L2_TUNER_MODE_MONO;
979 if (mode == core->audiomode_current)
982 /* automatically switch to best available mode */
983 cx88_set_stereo(core, mode, 0);
986 dprintk("cx88: tvaudio thread exiting\n");
990 /* ----------------------------------------------------------- */
992 EXPORT_SYMBOL(cx88_set_tvaudio);
993 EXPORT_SYMBOL(cx88_newstation);
994 EXPORT_SYMBOL(cx88_set_stereo);
995 EXPORT_SYMBOL(cx88_get_stereo);
996 EXPORT_SYMBOL(cx88_audio_thread);
1002 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off