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 cx_write(AUD_RATE_THRES_DMD
, 0x000000C0);
137 if (cx88_boards
[core
->board
].blackbird
) {
138 /* sets sound input from external adc */
139 cx_set(AUD_CTL
, EN_I2SIN_ENABLE
);
140 cx_write(AUD_I2SINPUTCNTL
, 4);
141 cx_write(AUD_BAUDRATE
, 1);
142 /* 'pass-thru mode': this enables the i2s output to the mpeg encoder */
143 cx_set(AUD_CTL
, EN_I2SOUT_ENABLE
);
144 cx_write(AUD_I2SOUTPUTCNTL
, 1);
145 cx_write(AUD_I2SCNTL
, 0);
146 /* cx_write(AUD_APB_IN_RATE_ADJ, 0); */
148 ctl
|= EN_DAC_ENABLE
;
149 cx_write(AUD_CTL
, ctl
);
152 /* finish programming */
153 cx_write(AUD_SOFT_RESET
, 0x0000);
156 volume
= cx_sread(SHADOW_AUD_VOL_CTL
);
157 cx_swrite(SHADOW_AUD_VOL_CTL
, AUD_VOL_CTL
, volume
);
160 /* ----------------------------------------------------------- */
162 static void set_audio_standard_BTSC(struct cx88_core
*core
, unsigned int sap
,
165 static const struct rlist btsc
[] = {
166 {AUD_AFE_12DB_EN
, 0x00000001},
167 {AUD_OUT1_SEL
, 0x00000013},
168 {AUD_OUT1_SHIFT
, 0x00000000},
169 {AUD_POLY0_DDS_CONSTANT
, 0x0012010c},
170 {AUD_DMD_RA_DDS
, 0x00c3e7aa},
171 {AUD_DBX_IN_GAIN
, 0x00004734},
172 {AUD_DBX_WBE_GAIN
, 0x00004640},
173 {AUD_DBX_SE_GAIN
, 0x00008d31},
174 {AUD_DCOC_0_SRC
, 0x0000001a},
175 {AUD_IIR1_4_SEL
, 0x00000021},
176 {AUD_DCOC_PASS_IN
, 0x00000003},
177 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
178 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
179 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
180 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
181 {AUD_DN0_FREQ
, 0x0000283b},
182 {AUD_DN2_SRC_SEL
, 0x00000008},
183 {AUD_DN2_FREQ
, 0x00003000},
184 {AUD_DN2_AFC
, 0x00000002},
185 {AUD_DN2_SHFT
, 0x00000000},
186 {AUD_IIR2_2_SEL
, 0x00000020},
187 {AUD_IIR2_2_SHIFT
, 0x00000000},
188 {AUD_IIR2_3_SEL
, 0x0000001f},
189 {AUD_IIR2_3_SHIFT
, 0x00000000},
190 {AUD_CRDC1_SRC_SEL
, 0x000003ce},
191 {AUD_CRDC1_SHIFT
, 0x00000000},
192 {AUD_CORDIC_SHIFT_1
, 0x00000007},
193 {AUD_DCOC_1_SRC
, 0x0000001b},
194 {AUD_DCOC1_SHIFT
, 0x00000000},
195 {AUD_RDSI_SEL
, 0x00000008},
196 {AUD_RDSQ_SEL
, 0x00000008},
197 {AUD_RDSI_SHIFT
, 0x00000000},
198 {AUD_RDSQ_SHIFT
, 0x00000000},
199 {AUD_POLYPH80SCALEFAC
, 0x00000003},
200 { /* end of list */ },
202 static const struct rlist btsc_sap
[] = {
203 {AUD_AFE_12DB_EN
, 0x00000001},
204 {AUD_DBX_IN_GAIN
, 0x00007200},
205 {AUD_DBX_WBE_GAIN
, 0x00006200},
206 {AUD_DBX_SE_GAIN
, 0x00006200},
207 {AUD_IIR1_1_SEL
, 0x00000000},
208 {AUD_IIR1_3_SEL
, 0x00000001},
209 {AUD_DN1_SRC_SEL
, 0x00000007},
210 {AUD_IIR1_4_SHIFT
, 0x00000006},
211 {AUD_IIR2_1_SHIFT
, 0x00000000},
212 {AUD_IIR2_2_SHIFT
, 0x00000000},
213 {AUD_IIR3_0_SHIFT
, 0x00000000},
214 {AUD_IIR3_1_SHIFT
, 0x00000000},
215 {AUD_IIR3_0_SEL
, 0x0000000d},
216 {AUD_IIR3_1_SEL
, 0x0000000e},
217 {AUD_DEEMPH1_SRC_SEL
, 0x00000014},
218 {AUD_DEEMPH1_SHIFT
, 0x00000000},
219 {AUD_DEEMPH1_G0
, 0x00004000},
220 {AUD_DEEMPH1_A0
, 0x00000000},
221 {AUD_DEEMPH1_B0
, 0x00000000},
222 {AUD_DEEMPH1_A1
, 0x00000000},
223 {AUD_DEEMPH1_B1
, 0x00000000},
224 {AUD_OUT0_SEL
, 0x0000003f},
225 {AUD_OUT1_SEL
, 0x0000003f},
226 {AUD_DN1_AFC
, 0x00000002},
227 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
228 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
229 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
230 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
231 {AUD_IIR1_0_SEL
, 0x0000001d},
232 {AUD_IIR1_2_SEL
, 0x0000001e},
233 {AUD_IIR2_1_SEL
, 0x00000002},
234 {AUD_IIR2_2_SEL
, 0x00000004},
235 {AUD_IIR3_2_SEL
, 0x0000000f},
236 {AUD_DCOC2_SHIFT
, 0x00000001},
237 {AUD_IIR3_2_SHIFT
, 0x00000001},
238 {AUD_DEEMPH0_SRC_SEL
, 0x00000014},
239 {AUD_CORDIC_SHIFT_1
, 0x00000006},
240 {AUD_POLY0_DDS_CONSTANT
, 0x000e4db2},
241 {AUD_DMD_RA_DDS
, 0x00f696e6},
242 {AUD_IIR2_3_SEL
, 0x00000025},
243 {AUD_IIR1_4_SEL
, 0x00000021},
244 {AUD_DN1_FREQ
, 0x0000c965},
245 {AUD_DCOC_PASS_IN
, 0x00000003},
246 {AUD_DCOC_0_SRC
, 0x0000001a},
247 {AUD_DCOC_1_SRC
, 0x0000001b},
248 {AUD_DCOC1_SHIFT
, 0x00000000},
249 {AUD_RDSI_SEL
, 0x00000009},
250 {AUD_RDSQ_SEL
, 0x00000009},
251 {AUD_RDSI_SHIFT
, 0x00000000},
252 {AUD_RDSQ_SHIFT
, 0x00000000},
253 {AUD_POLYPH80SCALEFAC
, 0x00000003},
254 { /* end of list */ },
257 mode
|= EN_FMRADIO_EN_RDS
;
260 dprintk("%s SAP (status: unknown)\n", __FUNCTION__
);
261 set_audio_start(core
, SEL_SAP
);
262 set_audio_registers(core
, btsc_sap
);
263 set_audio_finish(core
, mode
);
265 dprintk("%s (status: known-good)\n", __FUNCTION__
);
266 set_audio_start(core
, SEL_BTSC
);
267 set_audio_registers(core
, btsc
);
268 set_audio_finish(core
, mode
);
272 static void set_audio_standard_NICAM(struct cx88_core
*core
, u32 mode
)
274 static const struct rlist nicam_l
[] = {
275 {AUD_AFE_12DB_EN
, 0x00000001},
276 {AUD_RATE_ADJ1
, 0x00000060},
277 {AUD_RATE_ADJ2
, 0x000000F9},
278 {AUD_RATE_ADJ3
, 0x000001CC},
279 {AUD_RATE_ADJ4
, 0x000002B3},
280 {AUD_RATE_ADJ5
, 0x00000726},
281 {AUD_DEEMPHDENOM1_R
, 0x0000F3D0},
282 {AUD_DEEMPHDENOM2_R
, 0x00000000},
283 {AUD_ERRLOGPERIOD_R
, 0x00000064},
284 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000FFF},
285 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001F},
286 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000F},
287 {AUD_POLYPH80SCALEFAC
, 0x00000003},
288 {AUD_DMD_RA_DDS
, 0x00C00000},
289 {AUD_PLL_INT
, 0x0000001E},
290 {AUD_PLL_DDS
, 0x00000000},
291 {AUD_PLL_FRAC
, 0x0000E542},
292 {AUD_START_TIMER
, 0x00000000},
293 {AUD_DEEMPHNUMER1_R
, 0x000353DE},
294 {AUD_DEEMPHNUMER2_R
, 0x000001B1},
295 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
296 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
297 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
298 {AUD_QAM_MODE
, 0x05},
299 {AUD_PHACC_FREQ_8MSB
, 0x34},
300 {AUD_PHACC_FREQ_8LSB
, 0x4C},
301 {AUD_DEEMPHGAIN_R
, 0x00006680},
302 {AUD_RATE_THRES_DMD
, 0x000000C0},
303 { /* end of list */ },
306 static const struct rlist nicam_bgdki_common
[] = {
307 {AUD_AFE_12DB_EN
, 0x00000001},
308 {AUD_RATE_ADJ1
, 0x00000010},
309 {AUD_RATE_ADJ2
, 0x00000040},
310 {AUD_RATE_ADJ3
, 0x00000100},
311 {AUD_RATE_ADJ4
, 0x00000400},
312 {AUD_RATE_ADJ5
, 0x00001000},
313 {AUD_ERRLOGPERIOD_R
, 0x00000fff},
314 {AUD_ERRINTRPTTHSHLD1_R
, 0x000003ff},
315 {AUD_ERRINTRPTTHSHLD2_R
, 0x000000ff},
316 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000003f},
317 {AUD_POLYPH80SCALEFAC
, 0x00000003},
318 {AUD_DEEMPHGAIN_R
, 0x000023c2},
319 {AUD_DEEMPHNUMER1_R
, 0x0002a7bc},
320 {AUD_DEEMPHNUMER2_R
, 0x0003023e},
321 {AUD_DEEMPHDENOM1_R
, 0x0000f3d0},
322 {AUD_DEEMPHDENOM2_R
, 0x00000000},
323 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
324 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
325 {AUD_QAM_MODE
, 0x05},
326 { /* end of list */ },
329 static const struct rlist nicam_i
[] = {
330 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
331 {AUD_PHACC_FREQ_8MSB
, 0x3a},
332 {AUD_PHACC_FREQ_8LSB
, 0x93},
333 { /* end of list */ },
336 static const struct rlist nicam_default
[] = {
337 {AUD_PDF_DDS_CNST_BYTE0
, 0x16},
338 {AUD_PHACC_FREQ_8MSB
, 0x34},
339 {AUD_PHACC_FREQ_8LSB
, 0x4c},
340 { /* end of list */ },
343 set_audio_start(core
,SEL_NICAM
);
344 switch (core
->tvaudio
) {
346 dprintk("%s SECAM-L NICAM (status: devel)\n", __FUNCTION__
);
347 set_audio_registers(core
, nicam_l
);
350 dprintk("%s PAL-I NICAM (status: known-good)\n", __FUNCTION__
);
351 set_audio_registers(core
, nicam_bgdki_common
);
352 set_audio_registers(core
, nicam_i
);
355 dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __FUNCTION__
);
356 set_audio_registers(core
, nicam_bgdki_common
);
357 set_audio_registers(core
, nicam_default
);
361 mode
|= EN_DMTRX_LR
| EN_DMTRX_BYPASS
;
362 set_audio_finish(core
, mode
);
365 static void set_audio_standard_A2(struct cx88_core
*core
, u32 mode
)
367 static const struct rlist a2_bgdk_common
[] = {
368 {AUD_ERRLOGPERIOD_R
, 0x00000064},
369 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000fff},
370 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001f},
371 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000f},
372 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
373 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
374 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
375 {AUD_QAM_MODE
, 0x05},
376 {AUD_PHACC_FREQ_8MSB
, 0x34},
377 {AUD_PHACC_FREQ_8LSB
, 0x4c},
378 {AUD_RATE_ADJ1
, 0x00000100},
379 {AUD_RATE_ADJ2
, 0x00000200},
380 {AUD_RATE_ADJ3
, 0x00000300},
381 {AUD_RATE_ADJ4
, 0x00000400},
382 {AUD_RATE_ADJ5
, 0x00000500},
383 {AUD_THR_FR
, 0x00000000},
384 {AAGC_HYST
, 0x0000001a},
385 {AUD_PILOT_BQD_1_K0
, 0x0000755b},
386 {AUD_PILOT_BQD_1_K1
, 0x00551340},
387 {AUD_PILOT_BQD_1_K2
, 0x006d30be},
388 {AUD_PILOT_BQD_1_K3
, 0xffd394af},
389 {AUD_PILOT_BQD_1_K4
, 0x00400000},
390 {AUD_PILOT_BQD_2_K0
, 0x00040000},
391 {AUD_PILOT_BQD_2_K1
, 0x002a4841},
392 {AUD_PILOT_BQD_2_K2
, 0x00400000},
393 {AUD_PILOT_BQD_2_K3
, 0x00000000},
394 {AUD_PILOT_BQD_2_K4
, 0x00000000},
395 {AUD_MODE_CHG_TIMER
, 0x00000040},
396 {AUD_AFE_12DB_EN
, 0x00000001},
397 {AUD_CORDIC_SHIFT_0
, 0x00000007},
398 {AUD_CORDIC_SHIFT_1
, 0x00000007},
399 {AUD_DEEMPH0_G0
, 0x00000380},
400 {AUD_DEEMPH1_G0
, 0x00000380},
401 {AUD_DCOC_0_SRC
, 0x0000001a},
402 {AUD_DCOC0_SHIFT
, 0x00000000},
403 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
404 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
405 {AUD_DCOC_PASS_IN
, 0x00000003},
406 {AUD_IIR3_0_SEL
, 0x00000021},
407 {AUD_DN2_AFC
, 0x00000002},
408 {AUD_DCOC_1_SRC
, 0x0000001b},
409 {AUD_DCOC1_SHIFT
, 0x00000000},
410 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
411 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
412 {AUD_IIR3_1_SEL
, 0x00000023},
413 {AUD_RDSI_SEL
, 0x00000017},
414 {AUD_RDSI_SHIFT
, 0x00000000},
415 {AUD_RDSQ_SEL
, 0x00000017},
416 {AUD_RDSQ_SHIFT
, 0x00000000},
417 {AUD_PLL_INT
, 0x0000001e},
418 {AUD_PLL_DDS
, 0x00000000},
419 {AUD_PLL_FRAC
, 0x0000e542},
420 {AUD_POLYPH80SCALEFAC
, 0x00000001},
421 {AUD_START_TIMER
, 0x00000000},
422 { /* end of list */ },
425 static const struct rlist a2_bg
[] = {
426 {AUD_DMD_RA_DDS
, 0x002a4f2f},
427 {AUD_C1_UP_THR
, 0x00007000},
428 {AUD_C1_LO_THR
, 0x00005400},
429 {AUD_C2_UP_THR
, 0x00005400},
430 {AUD_C2_LO_THR
, 0x00003000},
431 { /* end of list */ },
434 static const struct rlist a2_dk
[] = {
435 {AUD_DMD_RA_DDS
, 0x002a4f2f},
436 {AUD_C1_UP_THR
, 0x00007000},
437 {AUD_C1_LO_THR
, 0x00005400},
438 {AUD_C2_UP_THR
, 0x00005400},
439 {AUD_C2_LO_THR
, 0x00003000},
440 {AUD_DN0_FREQ
, 0x00003a1c},
441 {AUD_DN2_FREQ
, 0x0000d2e0},
442 { /* end of list */ },
445 static const struct rlist a1_i
[] = {
446 {AUD_ERRLOGPERIOD_R
, 0x00000064},
447 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000fff},
448 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001f},
449 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000f},
450 {AUD_PDF_DDS_CNST_BYTE2
, 0x06},
451 {AUD_PDF_DDS_CNST_BYTE1
, 0x82},
452 {AUD_PDF_DDS_CNST_BYTE0
, 0x12},
453 {AUD_QAM_MODE
, 0x05},
454 {AUD_PHACC_FREQ_8MSB
, 0x3a},
455 {AUD_PHACC_FREQ_8LSB
, 0x93},
456 {AUD_DMD_RA_DDS
, 0x002a4f2f},
457 {AUD_PLL_INT
, 0x0000001e},
458 {AUD_PLL_DDS
, 0x00000004},
459 {AUD_PLL_FRAC
, 0x0000e542},
460 {AUD_RATE_ADJ1
, 0x00000100},
461 {AUD_RATE_ADJ2
, 0x00000200},
462 {AUD_RATE_ADJ3
, 0x00000300},
463 {AUD_RATE_ADJ4
, 0x00000400},
464 {AUD_RATE_ADJ5
, 0x00000500},
465 {AUD_THR_FR
, 0x00000000},
466 {AUD_PILOT_BQD_1_K0
, 0x0000755b},
467 {AUD_PILOT_BQD_1_K1
, 0x00551340},
468 {AUD_PILOT_BQD_1_K2
, 0x006d30be},
469 {AUD_PILOT_BQD_1_K3
, 0xffd394af},
470 {AUD_PILOT_BQD_1_K4
, 0x00400000},
471 {AUD_PILOT_BQD_2_K0
, 0x00040000},
472 {AUD_PILOT_BQD_2_K1
, 0x002a4841},
473 {AUD_PILOT_BQD_2_K2
, 0x00400000},
474 {AUD_PILOT_BQD_2_K3
, 0x00000000},
475 {AUD_PILOT_BQD_2_K4
, 0x00000000},
476 {AUD_MODE_CHG_TIMER
, 0x00000060},
477 {AUD_AFE_12DB_EN
, 0x00000001},
478 {AAGC_HYST
, 0x0000000a},
479 {AUD_CORDIC_SHIFT_0
, 0x00000007},
480 {AUD_CORDIC_SHIFT_1
, 0x00000007},
481 {AUD_C1_UP_THR
, 0x00007000},
482 {AUD_C1_LO_THR
, 0x00005400},
483 {AUD_C2_UP_THR
, 0x00005400},
484 {AUD_C2_LO_THR
, 0x00003000},
485 {AUD_DCOC_0_SRC
, 0x0000001a},
486 {AUD_DCOC0_SHIFT
, 0x00000000},
487 {AUD_DCOC_0_SHIFT_IN0
, 0x0000000a},
488 {AUD_DCOC_0_SHIFT_IN1
, 0x00000008},
489 {AUD_DCOC_PASS_IN
, 0x00000003},
490 {AUD_IIR3_0_SEL
, 0x00000021},
491 {AUD_DN2_AFC
, 0x00000002},
492 {AUD_DCOC_1_SRC
, 0x0000001b},
493 {AUD_DCOC1_SHIFT
, 0x00000000},
494 {AUD_DCOC_1_SHIFT_IN0
, 0x0000000a},
495 {AUD_DCOC_1_SHIFT_IN1
, 0x00000008},
496 {AUD_IIR3_1_SEL
, 0x00000023},
497 {AUD_DN0_FREQ
, 0x000035a3},
498 {AUD_DN2_FREQ
, 0x000029c7},
499 {AUD_CRDC0_SRC_SEL
, 0x00000511},
500 {AUD_IIR1_0_SEL
, 0x00000001},
501 {AUD_IIR1_1_SEL
, 0x00000000},
502 {AUD_IIR3_2_SEL
, 0x00000003},
503 {AUD_IIR3_2_SHIFT
, 0x00000000},
504 {AUD_IIR3_0_SEL
, 0x00000002},
505 {AUD_IIR2_0_SEL
, 0x00000021},
506 {AUD_IIR2_0_SHIFT
, 0x00000002},
507 {AUD_DEEMPH0_SRC_SEL
, 0x0000000b},
508 {AUD_DEEMPH1_SRC_SEL
, 0x0000000b},
509 {AUD_POLYPH80SCALEFAC
, 0x00000001},
510 {AUD_START_TIMER
, 0x00000000},
511 { /* end of list */ },
514 static const struct rlist am_l
[] = {
515 {AUD_ERRLOGPERIOD_R
, 0x00000064},
516 {AUD_ERRINTRPTTHSHLD1_R
, 0x00000FFF},
517 {AUD_ERRINTRPTTHSHLD2_R
, 0x0000001F},
518 {AUD_ERRINTRPTTHSHLD3_R
, 0x0000000F},
519 {AUD_PDF_DDS_CNST_BYTE2
, 0x48},
520 {AUD_PDF_DDS_CNST_BYTE1
, 0x3D},
521 {AUD_QAM_MODE
, 0x00},
522 {AUD_PDF_DDS_CNST_BYTE0
, 0xf5},
523 {AUD_PHACC_FREQ_8MSB
, 0x3a},
524 {AUD_PHACC_FREQ_8LSB
, 0x4a},
525 {AUD_DEEMPHGAIN_R
, 0x00006680},
526 {AUD_DEEMPHNUMER1_R
, 0x000353DE},
527 {AUD_DEEMPHNUMER2_R
, 0x000001B1},
528 {AUD_DEEMPHDENOM1_R
, 0x0000F3D0},
529 {AUD_DEEMPHDENOM2_R
, 0x00000000},
530 {AUD_FM_MODE_ENABLE
, 0x00000007},
531 {AUD_POLYPH80SCALEFAC
, 0x00000003},
532 {AUD_AFE_12DB_EN
, 0x00000001},
533 {AAGC_GAIN
, 0x00000000},
534 {AAGC_HYST
, 0x00000018},
535 {AAGC_DEF
, 0x00000020},
536 {AUD_DN0_FREQ
, 0x00000000},
537 {AUD_POLY0_DDS_CONSTANT
, 0x000E4DB2},
538 {AUD_DCOC_0_SRC
, 0x00000021},
539 {AUD_IIR1_0_SEL
, 0x00000000},
540 {AUD_IIR1_0_SHIFT
, 0x00000007},
541 {AUD_IIR1_1_SEL
, 0x00000002},
542 {AUD_IIR1_1_SHIFT
, 0x00000000},
543 {AUD_DCOC_1_SRC
, 0x00000003},
544 {AUD_DCOC1_SHIFT
, 0x00000000},
545 {AUD_DCOC_PASS_IN
, 0x00000000},
546 {AUD_IIR1_2_SEL
, 0x00000023},
547 {AUD_IIR1_2_SHIFT
, 0x00000000},
548 {AUD_IIR1_3_SEL
, 0x00000004},
549 {AUD_IIR1_3_SHIFT
, 0x00000007},
550 {AUD_IIR1_4_SEL
, 0x00000005},
551 {AUD_IIR1_4_SHIFT
, 0x00000007},
552 {AUD_IIR3_0_SEL
, 0x00000007},
553 {AUD_IIR3_0_SHIFT
, 0x00000000},
554 {AUD_DEEMPH0_SRC_SEL
, 0x00000011},
555 {AUD_DEEMPH0_SHIFT
, 0x00000000},
556 {AUD_DEEMPH0_G0
, 0x00007000},
557 {AUD_DEEMPH0_A0
, 0x00000000},
558 {AUD_DEEMPH0_B0
, 0x00000000},
559 {AUD_DEEMPH0_A1
, 0x00000000},
560 {AUD_DEEMPH0_B1
, 0x00000000},
561 {AUD_DEEMPH1_SRC_SEL
, 0x00000011},
562 {AUD_DEEMPH1_SHIFT
, 0x00000000},
563 {AUD_DEEMPH1_G0
, 0x00007000},
564 {AUD_DEEMPH1_A0
, 0x00000000},
565 {AUD_DEEMPH1_B0
, 0x00000000},
566 {AUD_DEEMPH1_A1
, 0x00000000},
567 {AUD_DEEMPH1_B1
, 0x00000000},
568 {AUD_OUT0_SEL
, 0x0000003F},
569 {AUD_OUT1_SEL
, 0x0000003F},
570 {AUD_DMD_RA_DDS
, 0x00F5C285},
571 {AUD_PLL_INT
, 0x0000001E},
572 {AUD_PLL_DDS
, 0x00000000},
573 {AUD_PLL_FRAC
, 0x0000E542},
574 {AUD_RATE_ADJ1
, 0x00000100},
575 {AUD_RATE_ADJ2
, 0x00000200},
576 {AUD_RATE_ADJ3
, 0x00000300},
577 {AUD_RATE_ADJ4
, 0x00000400},
578 {AUD_RATE_ADJ5
, 0x00000500},
579 {AUD_RATE_THRES_DMD
, 0x000000C0},
580 { /* end of list */ },
583 static const struct rlist a2_deemph50
[] = {
584 {AUD_DEEMPH0_G0
, 0x00000380},
585 {AUD_DEEMPH1_G0
, 0x00000380},
586 {AUD_DEEMPHGAIN_R
, 0x000011e1},
587 {AUD_DEEMPHNUMER1_R
, 0x0002a7bc},
588 {AUD_DEEMPHNUMER2_R
, 0x0003023c},
589 { /* end of list */ },
592 set_audio_start(core
, SEL_A2
);
593 switch (core
->tvaudio
) {
595 dprintk("%s PAL-BG A1/2 (status: known-good)\n", __FUNCTION__
);
596 set_audio_registers(core
, a2_bgdk_common
);
597 set_audio_registers(core
, a2_bg
);
598 set_audio_registers(core
, a2_deemph50
);
601 dprintk("%s PAL-DK A1/2 (status: known-good)\n", __FUNCTION__
);
602 set_audio_registers(core
, a2_bgdk_common
);
603 set_audio_registers(core
, a2_dk
);
604 set_audio_registers(core
, a2_deemph50
);
607 dprintk("%s PAL-I A1 (status: known-good)\n", __FUNCTION__
);
608 set_audio_registers(core
, a1_i
);
609 set_audio_registers(core
, a2_deemph50
);
612 dprintk("%s AM-L (status: devel)\n", __FUNCTION__
);
613 set_audio_registers(core
, am_l
);
616 dprintk("%s Warning: wrong value\n", __FUNCTION__
);
621 mode
|= EN_FMRADIO_EN_RDS
| EN_DMTRX_SUMDIFF
;
622 set_audio_finish(core
, mode
);
625 static void set_audio_standard_EIAJ(struct cx88_core
*core
)
627 static const struct rlist eiaj
[] = {
628 /* TODO: eiaj register settings are not there yet ... */
630 { /* end of list */ },
632 dprintk("%s (status: unknown)\n", __FUNCTION__
);
634 set_audio_start(core
, SEL_EIAJ
);
635 set_audio_registers(core
, eiaj
);
636 set_audio_finish(core
, EN_EIAJ_AUTO_STEREO
);
639 static void set_audio_standard_FM(struct cx88_core
*core
,
640 enum cx88_deemph_type deemph
)
642 static const struct rlist fm_deemph_50
[] = {
643 {AUD_DEEMPH0_G0
, 0x0C45},
644 {AUD_DEEMPH0_A0
, 0x6262},
645 {AUD_DEEMPH0_B0
, 0x1C29},
646 {AUD_DEEMPH0_A1
, 0x3FC66},
647 {AUD_DEEMPH0_B1
, 0x399A},
649 {AUD_DEEMPH1_G0
, 0x0D80},
650 {AUD_DEEMPH1_A0
, 0x6262},
651 {AUD_DEEMPH1_B0
, 0x1C29},
652 {AUD_DEEMPH1_A1
, 0x3FC66},
653 {AUD_DEEMPH1_B1
, 0x399A},
655 {AUD_POLYPH80SCALEFAC
, 0x0003},
656 { /* end of list */ },
658 static const struct rlist fm_deemph_75
[] = {
659 {AUD_DEEMPH0_G0
, 0x091B},
660 {AUD_DEEMPH0_A0
, 0x6B68},
661 {AUD_DEEMPH0_B0
, 0x11EC},
662 {AUD_DEEMPH0_A1
, 0x3FC66},
663 {AUD_DEEMPH0_B1
, 0x399A},
665 {AUD_DEEMPH1_G0
, 0x0AA0},
666 {AUD_DEEMPH1_A0
, 0x6B68},
667 {AUD_DEEMPH1_B0
, 0x11EC},
668 {AUD_DEEMPH1_A1
, 0x3FC66},
669 {AUD_DEEMPH1_B1
, 0x399A},
671 {AUD_POLYPH80SCALEFAC
, 0x0003},
672 { /* end of list */ },
675 /* It is enough to leave default values? */
676 static const struct rlist fm_no_deemph
[] = {
678 {AUD_POLYPH80SCALEFAC
, 0x0003},
679 { /* end of list */ },
682 dprintk("%s (status: unknown)\n", __FUNCTION__
);
683 set_audio_start(core
, SEL_FMRADIO
);
687 set_audio_registers(core
, fm_no_deemph
);
691 set_audio_registers(core
, fm_deemph_50
);
695 set_audio_registers(core
, fm_deemph_75
);
699 set_audio_finish(core
, EN_FMRADIO_AUTO_STEREO
);
702 /* ----------------------------------------------------------- */
704 int cx88_detect_nicam(struct cx88_core
*core
)
708 dprintk("start nicam autodetect.\n");
710 for (i
= 0; i
< 6; i
++) {
711 /* if bit1=1 then nicam is detected */
712 j
+= ((cx_read(AUD_NICAM_STATUS2
) & 0x02) >> 1);
715 dprintk("nicam is detected.\n");
719 /* wait a little bit for next reading status */
723 dprintk("nicam is not detected.\n");
727 void cx88_set_tvaudio(struct cx88_core
*core
)
729 switch (core
->tvaudio
) {
731 set_audio_standard_BTSC(core
, 0, EN_BTSC_AUTO_STEREO
);
737 /* prepare all dsp registers */
738 set_audio_standard_A2(core
, EN_A2_FORCE_MONO1
);
740 /* set nicam mode - otherwise
741 AUD_NICAM_STATUS2 contains wrong values */
742 set_audio_standard_NICAM(core
, EN_NICAM_AUTO_STEREO
);
743 if (0 == cx88_detect_nicam(core
)) {
744 /* fall back to fm / am mono */
745 set_audio_standard_A2(core
, EN_A2_FORCE_MONO1
);
752 set_audio_standard_EIAJ(core
);
755 set_audio_standard_FM(core
, FM_NO_DEEMPH
);
759 printk("%s/0: unknown tv audio mode [%d]\n",
760 core
->name
, core
->tvaudio
);
766 void cx88_newstation(struct cx88_core
*core
)
768 core
->audiomode_manual
= UNSET
;
771 void cx88_get_stereo(struct cx88_core
*core
, struct v4l2_tuner
*t
)
773 static char *m
[] = { "stereo", "dual mono", "mono", "sap" };
774 static char *p
[] = { "no pilot", "pilot c1", "pilot c2", "?" };
775 u32 reg
, mode
, pilot
;
777 reg
= cx_read(AUD_STATUS
);
779 pilot
= (reg
>> 2) & 0x03;
781 if (core
->astat
!= reg
)
782 dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n",
783 reg
, m
[mode
], p
[pilot
],
784 aud_ctl_names
[cx_read(AUD_CTL
) & 63]);
788 Reading from AUD_STATUS is not enough
789 for auto-detecting sap/dual-fm/nicam.
790 Add some code here later.
794 t
->capability
= V4L2_TUNER_CAP_STEREO
| V4L2_TUNER_CAP_SAP
|
795 V4L2_TUNER_CAP_LANG1
| V4L2_TUNER_CAP_LANG2
;
796 t
->rxsubchans
= V4L2_TUNER_SUB_MONO
;
797 t
->audmode
= V4L2_TUNER_MODE_MONO
;
799 switch (core
->tvaudio
) {
801 t
->capability
= V4L2_TUNER_CAP_STEREO
| V4L2_TUNER_CAP_SAP
;
802 t
->rxsubchans
= V4L2_TUNER_SUB_STEREO
;
805 t
->rxsubchans
|= V4L2_TUNER_SUB_SAP
;
814 V4L2_TUNER_SUB_MONO
| V4L2_TUNER_SUB_STEREO
;
816 t
->audmode
= V4L2_TUNER_MODE_STEREO
;
819 /* dual language -- FIXME */
821 V4L2_TUNER_SUB_LANG1
| V4L2_TUNER_SUB_LANG2
;
822 t
->audmode
= V4L2_TUNER_MODE_LANG1
;
827 t
->audmode
= V4L2_TUNER_MODE_STEREO
;
828 t
->rxsubchans
|= V4L2_TUNER_SUB_STEREO
;
832 if (0x0 == mode
&& !(cx_read(AUD_INIT
) & 0x04)) {
833 t
->audmode
= V4L2_TUNER_MODE_STEREO
;
834 t
->rxsubchans
|= V4L2_TUNER_SUB_STEREO
;
845 void cx88_set_stereo(struct cx88_core
*core
, u32 mode
, int manual
)
851 core
->audiomode_manual
= mode
;
853 if (UNSET
!= core
->audiomode_manual
)
856 core
->audiomode_current
= mode
;
858 switch (core
->tvaudio
) {
861 case V4L2_TUNER_MODE_MONO
:
862 set_audio_standard_BTSC(core
, 0, EN_BTSC_FORCE_MONO
);
864 case V4L2_TUNER_MODE_LANG1
:
865 set_audio_standard_BTSC(core
, 0, EN_BTSC_AUTO_STEREO
);
867 case V4L2_TUNER_MODE_LANG2
:
868 set_audio_standard_BTSC(core
, 1, EN_BTSC_FORCE_SAP
);
870 case V4L2_TUNER_MODE_STEREO
:
871 set_audio_standard_BTSC(core
, 0, EN_BTSC_FORCE_STEREO
);
879 if (1 == core
->use_nicam
) {
881 case V4L2_TUNER_MODE_MONO
:
882 case V4L2_TUNER_MODE_LANG1
:
883 set_audio_standard_NICAM(core
,
884 EN_NICAM_FORCE_MONO1
);
886 case V4L2_TUNER_MODE_LANG2
:
887 set_audio_standard_NICAM(core
,
888 EN_NICAM_FORCE_MONO2
);
890 case V4L2_TUNER_MODE_STEREO
:
891 set_audio_standard_NICAM(core
,
892 EN_NICAM_FORCE_STEREO
);
896 if ((core
->tvaudio
== WW_I
) || (core
->tvaudio
== WW_L
)) {
897 /* fall back to fm / am mono */
898 set_audio_standard_A2(core
, EN_A2_FORCE_MONO1
);
900 /* TODO: Add A2 autodection */
902 case V4L2_TUNER_MODE_MONO
:
903 case V4L2_TUNER_MODE_LANG1
:
904 set_audio_standard_A2(core
,
907 case V4L2_TUNER_MODE_LANG2
:
908 set_audio_standard_A2(core
,
911 case V4L2_TUNER_MODE_STEREO
:
912 set_audio_standard_A2(core
,
921 case V4L2_TUNER_MODE_MONO
:
922 ctl
= EN_FMRADIO_FORCE_MONO
;
925 case V4L2_TUNER_MODE_STEREO
:
926 ctl
= EN_FMRADIO_AUTO_STEREO
;
934 dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x "
935 "[status=0x%x,ctl=0x%x,vol=0x%x]\n",
936 mask
, ctl
, cx_read(AUD_STATUS
),
937 cx_read(AUD_CTL
), cx_sread(SHADOW_AUD_VOL_CTL
));
938 cx_andor(AUD_CTL
, mask
, ctl
);
943 int cx88_audio_thread(void *data
)
945 struct cx88_core
*core
= data
;
949 dprintk("cx88: tvaudio thread started\n");
951 msleep_interruptible(1000);
952 if (kthread_should_stop())
955 /* just monitor the audio status for now ... */
956 memset(&t
, 0, sizeof(t
));
957 cx88_get_stereo(core
, &t
);
959 if (UNSET
!= core
->audiomode_manual
)
960 /* manually set, don't do anything. */
964 if (t
.rxsubchans
& V4L2_TUNER_SUB_STEREO
)
965 mode
= V4L2_TUNER_MODE_STEREO
;
967 mode
= V4L2_TUNER_MODE_MONO
;
968 if (mode
== core
->audiomode_current
)
971 /* automatically switch to best available mode */
972 cx88_set_stereo(core
, mode
, 0);
975 dprintk("cx88: tvaudio thread exiting\n");
979 /* ----------------------------------------------------------- */
981 EXPORT_SYMBOL(cx88_set_tvaudio
);
982 EXPORT_SYMBOL(cx88_newstation
);
983 EXPORT_SYMBOL(cx88_set_stereo
);
984 EXPORT_SYMBOL(cx88_get_stereo
);
985 EXPORT_SYMBOL(cx88_audio_thread
);
991 * 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