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1da177e4 | 1 | /* |
1da177e4 LT |
2 | |
3 | cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver | |
4 | ||
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> | |
8 | ||
9 | ----------------------------------------------------------------------- | |
10 | ||
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. | |
14 | ||
15 | Some of this comes from party done linux driver sources I got from | |
16 | [undocumented]. | |
17 | ||
18 | Some comes from the dscaler sources, one of the dscaler driver guy works | |
19 | for Conexant ... | |
20 | ||
21 | ----------------------------------------------------------------------- | |
22 | ||
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. | |
27 | ||
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. | |
32 | ||
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. | |
36 | */ | |
37 | ||
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> | |
43 | #include <linux/mm.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> | |
56 | ||
57 | #include "cx88.h" | |
58 | ||
59 | static unsigned int audio_debug = 0; | |
7b3c6d65 NS |
60 | module_param(audio_debug, int, 0644); |
61 | MODULE_PARM_DESC(audio_debug, "enable debug messages [audio]"); | |
1da177e4 | 62 | |
7d83e843 PC |
63 | static unsigned int always_analog = 0; |
64 | module_param(always_analog,int,0644); | |
65 | MODULE_PARM_DESC(always_analog,"force analog audio out"); | |
66 | ||
67 | ||
1da177e4 LT |
68 | #define dprintk(fmt, arg...) if (audio_debug) \ |
69 | printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) | |
70 | ||
71 | /* ----------------------------------------------------------- */ | |
72 | ||
7b3c6d65 NS |
73 | static char *aud_ctl_names[64] = { |
74 | [EN_BTSC_FORCE_MONO] = "BTSC_FORCE_MONO", | |
75 | [EN_BTSC_FORCE_STEREO] = "BTSC_FORCE_STEREO", | |
76 | [EN_BTSC_FORCE_SAP] = "BTSC_FORCE_SAP", | |
77 | [EN_BTSC_AUTO_STEREO] = "BTSC_AUTO_STEREO", | |
78 | [EN_BTSC_AUTO_SAP] = "BTSC_AUTO_SAP", | |
79 | [EN_A2_FORCE_MONO1] = "A2_FORCE_MONO1", | |
80 | [EN_A2_FORCE_MONO2] = "A2_FORCE_MONO2", | |
81 | [EN_A2_FORCE_STEREO] = "A2_FORCE_STEREO", | |
82 | [EN_A2_AUTO_MONO2] = "A2_AUTO_MONO2", | |
83 | [EN_A2_AUTO_STEREO] = "A2_AUTO_STEREO", | |
84 | [EN_EIAJ_FORCE_MONO1] = "EIAJ_FORCE_MONO1", | |
85 | [EN_EIAJ_FORCE_MONO2] = "EIAJ_FORCE_MONO2", | |
86 | [EN_EIAJ_FORCE_STEREO] = "EIAJ_FORCE_STEREO", | |
87 | [EN_EIAJ_AUTO_MONO2] = "EIAJ_AUTO_MONO2", | |
88 | [EN_EIAJ_AUTO_STEREO] = "EIAJ_AUTO_STEREO", | |
89 | [EN_NICAM_FORCE_MONO1] = "NICAM_FORCE_MONO1", | |
90 | [EN_NICAM_FORCE_MONO2] = "NICAM_FORCE_MONO2", | |
91 | [EN_NICAM_FORCE_STEREO] = "NICAM_FORCE_STEREO", | |
92 | [EN_NICAM_AUTO_MONO2] = "NICAM_AUTO_MONO2", | |
93 | [EN_NICAM_AUTO_STEREO] = "NICAM_AUTO_STEREO", | |
94 | [EN_FMRADIO_FORCE_MONO] = "FMRADIO_FORCE_MONO", | |
95 | [EN_FMRADIO_FORCE_STEREO] = "FMRADIO_FORCE_STEREO", | |
96 | [EN_FMRADIO_AUTO_STEREO] = "FMRADIO_AUTO_STEREO", | |
1da177e4 LT |
97 | }; |
98 | ||
99 | struct rlist { | |
100 | u32 reg; | |
101 | u32 val; | |
102 | }; | |
103 | ||
7b3c6d65 | 104 | static void set_audio_registers(struct cx88_core *core, const struct rlist *l) |
1da177e4 LT |
105 | { |
106 | int i; | |
107 | ||
108 | for (i = 0; l[i].reg; i++) { | |
109 | switch (l[i].reg) { | |
110 | case AUD_PDF_DDS_CNST_BYTE2: | |
111 | case AUD_PDF_DDS_CNST_BYTE1: | |
112 | case AUD_PDF_DDS_CNST_BYTE0: | |
113 | case AUD_QAM_MODE: | |
114 | case AUD_PHACC_FREQ_8MSB: | |
115 | case AUD_PHACC_FREQ_8LSB: | |
116 | cx_writeb(l[i].reg, l[i].val); | |
117 | break; | |
118 | default: | |
119 | cx_write(l[i].reg, l[i].val); | |
120 | break; | |
121 | } | |
122 | } | |
123 | } | |
124 | ||
7b3c6d65 | 125 | static void set_audio_start(struct cx88_core *core, u32 mode) |
1da177e4 | 126 | { |
53a7338a | 127 | /* mute */ |
7b3c6d65 | 128 | cx_write(AUD_VOL_CTL, (1 << 6)); |
1da177e4 | 129 | |
53a7338a | 130 | /* start programming */ |
7b3c6d65 NS |
131 | cx_write(AUD_INIT, mode); |
132 | cx_write(AUD_INIT_LD, 0x0001); | |
133 | cx_write(AUD_SOFT_RESET, 0x0001); | |
1da177e4 LT |
134 | } |
135 | ||
e52e98a7 | 136 | static void set_audio_finish(struct cx88_core *core, u32 ctl) |
1da177e4 LT |
137 | { |
138 | u32 volume; | |
139 | ||
b7f355d2 | 140 | #ifndef USING_CX88_ALSA |
6f502b8a MCC |
141 | /* restart dma; This avoids buzz in NICAM and is good in others */ |
142 | cx88_stop_audio_dma(core); | |
b7f355d2 | 143 | #endif |
53a7338a | 144 | cx_write(AUD_RATE_THRES_DMD, 0x000000C0); |
b7f355d2 | 145 | #ifndef USING_CX88_ALSA |
6f502b8a | 146 | cx88_start_audio_dma(core); |
b7f355d2 | 147 | #endif |
53a7338a | 148 | |
1da177e4 | 149 | if (cx88_boards[core->board].blackbird) { |
53a7338a | 150 | /* sets sound input from external adc */ |
0345c387 ST |
151 | if (core->board == CX88_BOARD_HAUPPAUGE_ROSLYN) |
152 | cx_clear(AUD_CTL, EN_I2SIN_ENABLE); | |
153 | else | |
154 | cx_set(AUD_CTL, EN_I2SIN_ENABLE); | |
155 | ||
b45009b0 MCC |
156 | cx_write(AUD_I2SINPUTCNTL, 4); |
157 | cx_write(AUD_BAUDRATE, 1); | |
53a7338a | 158 | /* 'pass-thru mode': this enables the i2s output to the mpeg encoder */ |
b45009b0 | 159 | cx_set(AUD_CTL, EN_I2SOUT_ENABLE); |
1da177e4 | 160 | cx_write(AUD_I2SOUTPUTCNTL, 1); |
b45009b0 | 161 | cx_write(AUD_I2SCNTL, 0); |
53a7338a | 162 | /* cx_write(AUD_APB_IN_RATE_ADJ, 0); */ |
7d83e843 PC |
163 | } |
164 | if ((always_analog) || (!cx88_boards[core->board].blackbird)) { | |
7b3c6d65 NS |
165 | ctl |= EN_DAC_ENABLE; |
166 | cx_write(AUD_CTL, ctl); | |
1da177e4 LT |
167 | } |
168 | ||
e52e98a7 | 169 | /* finish programming */ |
1da177e4 LT |
170 | cx_write(AUD_SOFT_RESET, 0x0000); |
171 | ||
e52e98a7 | 172 | /* unmute */ |
1da177e4 LT |
173 | volume = cx_sread(SHADOW_AUD_VOL_CTL); |
174 | cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, volume); | |
175 | } | |
176 | ||
177 | /* ----------------------------------------------------------- */ | |
178 | ||
7b3c6d65 NS |
179 | static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap, |
180 | u32 mode) | |
1da177e4 LT |
181 | { |
182 | static const struct rlist btsc[] = { | |
7b3c6d65 NS |
183 | {AUD_AFE_12DB_EN, 0x00000001}, |
184 | {AUD_OUT1_SEL, 0x00000013}, | |
185 | {AUD_OUT1_SHIFT, 0x00000000}, | |
186 | {AUD_POLY0_DDS_CONSTANT, 0x0012010c}, | |
187 | {AUD_DMD_RA_DDS, 0x00c3e7aa}, | |
188 | {AUD_DBX_IN_GAIN, 0x00004734}, | |
189 | {AUD_DBX_WBE_GAIN, 0x00004640}, | |
190 | {AUD_DBX_SE_GAIN, 0x00008d31}, | |
191 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
192 | {AUD_IIR1_4_SEL, 0x00000021}, | |
193 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
194 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
195 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
196 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
197 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
198 | {AUD_DN0_FREQ, 0x0000283b}, | |
199 | {AUD_DN2_SRC_SEL, 0x00000008}, | |
200 | {AUD_DN2_FREQ, 0x00003000}, | |
201 | {AUD_DN2_AFC, 0x00000002}, | |
202 | {AUD_DN2_SHFT, 0x00000000}, | |
203 | {AUD_IIR2_2_SEL, 0x00000020}, | |
204 | {AUD_IIR2_2_SHIFT, 0x00000000}, | |
205 | {AUD_IIR2_3_SEL, 0x0000001f}, | |
206 | {AUD_IIR2_3_SHIFT, 0x00000000}, | |
207 | {AUD_CRDC1_SRC_SEL, 0x000003ce}, | |
208 | {AUD_CRDC1_SHIFT, 0x00000000}, | |
209 | {AUD_CORDIC_SHIFT_1, 0x00000007}, | |
210 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
211 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
212 | {AUD_RDSI_SEL, 0x00000008}, | |
213 | {AUD_RDSQ_SEL, 0x00000008}, | |
214 | {AUD_RDSI_SHIFT, 0x00000000}, | |
215 | {AUD_RDSQ_SHIFT, 0x00000000}, | |
216 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
e52e98a7 | 217 | { /* end of list */ }, |
1da177e4 LT |
218 | }; |
219 | static const struct rlist btsc_sap[] = { | |
7b3c6d65 NS |
220 | {AUD_AFE_12DB_EN, 0x00000001}, |
221 | {AUD_DBX_IN_GAIN, 0x00007200}, | |
222 | {AUD_DBX_WBE_GAIN, 0x00006200}, | |
223 | {AUD_DBX_SE_GAIN, 0x00006200}, | |
224 | {AUD_IIR1_1_SEL, 0x00000000}, | |
225 | {AUD_IIR1_3_SEL, 0x00000001}, | |
226 | {AUD_DN1_SRC_SEL, 0x00000007}, | |
227 | {AUD_IIR1_4_SHIFT, 0x00000006}, | |
228 | {AUD_IIR2_1_SHIFT, 0x00000000}, | |
229 | {AUD_IIR2_2_SHIFT, 0x00000000}, | |
230 | {AUD_IIR3_0_SHIFT, 0x00000000}, | |
231 | {AUD_IIR3_1_SHIFT, 0x00000000}, | |
232 | {AUD_IIR3_0_SEL, 0x0000000d}, | |
233 | {AUD_IIR3_1_SEL, 0x0000000e}, | |
234 | {AUD_DEEMPH1_SRC_SEL, 0x00000014}, | |
235 | {AUD_DEEMPH1_SHIFT, 0x00000000}, | |
236 | {AUD_DEEMPH1_G0, 0x00004000}, | |
237 | {AUD_DEEMPH1_A0, 0x00000000}, | |
238 | {AUD_DEEMPH1_B0, 0x00000000}, | |
239 | {AUD_DEEMPH1_A1, 0x00000000}, | |
240 | {AUD_DEEMPH1_B1, 0x00000000}, | |
241 | {AUD_OUT0_SEL, 0x0000003f}, | |
242 | {AUD_OUT1_SEL, 0x0000003f}, | |
243 | {AUD_DN1_AFC, 0x00000002}, | |
244 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
245 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
246 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
247 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
248 | {AUD_IIR1_0_SEL, 0x0000001d}, | |
249 | {AUD_IIR1_2_SEL, 0x0000001e}, | |
250 | {AUD_IIR2_1_SEL, 0x00000002}, | |
251 | {AUD_IIR2_2_SEL, 0x00000004}, | |
252 | {AUD_IIR3_2_SEL, 0x0000000f}, | |
253 | {AUD_DCOC2_SHIFT, 0x00000001}, | |
254 | {AUD_IIR3_2_SHIFT, 0x00000001}, | |
255 | {AUD_DEEMPH0_SRC_SEL, 0x00000014}, | |
256 | {AUD_CORDIC_SHIFT_1, 0x00000006}, | |
257 | {AUD_POLY0_DDS_CONSTANT, 0x000e4db2}, | |
258 | {AUD_DMD_RA_DDS, 0x00f696e6}, | |
259 | {AUD_IIR2_3_SEL, 0x00000025}, | |
260 | {AUD_IIR1_4_SEL, 0x00000021}, | |
261 | {AUD_DN1_FREQ, 0x0000c965}, | |
262 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
263 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
264 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
265 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
266 | {AUD_RDSI_SEL, 0x00000009}, | |
267 | {AUD_RDSQ_SEL, 0x00000009}, | |
268 | {AUD_RDSI_SHIFT, 0x00000000}, | |
269 | {AUD_RDSQ_SHIFT, 0x00000000}, | |
270 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
e52e98a7 | 271 | { /* end of list */ }, |
1da177e4 LT |
272 | }; |
273 | ||
e52e98a7 MCC |
274 | mode |= EN_FMRADIO_EN_RDS; |
275 | ||
1da177e4 | 276 | if (sap) { |
7b3c6d65 NS |
277 | dprintk("%s SAP (status: unknown)\n", __FUNCTION__); |
278 | set_audio_start(core, SEL_SAP); | |
1da177e4 | 279 | set_audio_registers(core, btsc_sap); |
e52e98a7 | 280 | set_audio_finish(core, mode); |
1da177e4 | 281 | } else { |
7b3c6d65 NS |
282 | dprintk("%s (status: known-good)\n", __FUNCTION__); |
283 | set_audio_start(core, SEL_BTSC); | |
1da177e4 | 284 | set_audio_registers(core, btsc); |
e52e98a7 | 285 | set_audio_finish(core, mode); |
1da177e4 | 286 | } |
1da177e4 LT |
287 | } |
288 | ||
b1706b91 | 289 | static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode) |
1da177e4 | 290 | { |
e52e98a7 | 291 | static const struct rlist nicam_l[] = { |
7b3c6d65 NS |
292 | {AUD_AFE_12DB_EN, 0x00000001}, |
293 | {AUD_RATE_ADJ1, 0x00000060}, | |
294 | {AUD_RATE_ADJ2, 0x000000F9}, | |
295 | {AUD_RATE_ADJ3, 0x000001CC}, | |
296 | {AUD_RATE_ADJ4, 0x000002B3}, | |
297 | {AUD_RATE_ADJ5, 0x00000726}, | |
298 | {AUD_DEEMPHDENOM1_R, 0x0000F3D0}, | |
299 | {AUD_DEEMPHDENOM2_R, 0x00000000}, | |
300 | {AUD_ERRLOGPERIOD_R, 0x00000064}, | |
301 | {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF}, | |
302 | {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F}, | |
303 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F}, | |
304 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
305 | {AUD_DMD_RA_DDS, 0x00C00000}, | |
306 | {AUD_PLL_INT, 0x0000001E}, | |
307 | {AUD_PLL_DDS, 0x00000000}, | |
308 | {AUD_PLL_FRAC, 0x0000E542}, | |
309 | {AUD_START_TIMER, 0x00000000}, | |
310 | {AUD_DEEMPHNUMER1_R, 0x000353DE}, | |
311 | {AUD_DEEMPHNUMER2_R, 0x000001B1}, | |
312 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, | |
313 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, | |
314 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, | |
315 | {AUD_QAM_MODE, 0x05}, | |
316 | {AUD_PHACC_FREQ_8MSB, 0x34}, | |
317 | {AUD_PHACC_FREQ_8LSB, 0x4C}, | |
318 | {AUD_DEEMPHGAIN_R, 0x00006680}, | |
319 | {AUD_RATE_THRES_DMD, 0x000000C0}, | |
320 | { /* end of list */ }, | |
321 | }; | |
1da177e4 | 322 | |
b1706b91 | 323 | static const struct rlist nicam_bgdki_common[] = { |
7b3c6d65 NS |
324 | {AUD_AFE_12DB_EN, 0x00000001}, |
325 | {AUD_RATE_ADJ1, 0x00000010}, | |
326 | {AUD_RATE_ADJ2, 0x00000040}, | |
327 | {AUD_RATE_ADJ3, 0x00000100}, | |
328 | {AUD_RATE_ADJ4, 0x00000400}, | |
329 | {AUD_RATE_ADJ5, 0x00001000}, | |
7b3c6d65 NS |
330 | {AUD_ERRLOGPERIOD_R, 0x00000fff}, |
331 | {AUD_ERRINTRPTTHSHLD1_R, 0x000003ff}, | |
332 | {AUD_ERRINTRPTTHSHLD2_R, 0x000000ff}, | |
333 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000003f}, | |
334 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
335 | {AUD_DEEMPHGAIN_R, 0x000023c2}, | |
336 | {AUD_DEEMPHNUMER1_R, 0x0002a7bc}, | |
337 | {AUD_DEEMPHNUMER2_R, 0x0003023e}, | |
338 | {AUD_DEEMPHDENOM1_R, 0x0000f3d0}, | |
339 | {AUD_DEEMPHDENOM2_R, 0x00000000}, | |
d0fcdd78 | 340 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, |
7b3c6d65 | 341 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, |
7b3c6d65 NS |
342 | {AUD_QAM_MODE, 0x05}, |
343 | { /* end of list */ }, | |
b1706b91 TS |
344 | }; |
345 | ||
346 | static const struct rlist nicam_i[] = { | |
7b3c6d65 NS |
347 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, |
348 | {AUD_PHACC_FREQ_8MSB, 0x3a}, | |
349 | {AUD_PHACC_FREQ_8LSB, 0x93}, | |
350 | { /* end of list */ }, | |
e52e98a7 MCC |
351 | }; |
352 | ||
b1706b91 | 353 | static const struct rlist nicam_default[] = { |
7b3c6d65 NS |
354 | {AUD_PDF_DDS_CNST_BYTE0, 0x16}, |
355 | {AUD_PHACC_FREQ_8MSB, 0x34}, | |
356 | {AUD_PHACC_FREQ_8LSB, 0x4c}, | |
357 | { /* end of list */ }, | |
b1706b91 | 358 | }; |
e52e98a7 | 359 | |
7f7e846c | 360 | set_audio_start(core,SEL_NICAM); |
b1706b91 TS |
361 | switch (core->tvaudio) { |
362 | case WW_L: | |
7b3c6d65 | 363 | dprintk("%s SECAM-L NICAM (status: devel)\n", __FUNCTION__); |
b1706b91 TS |
364 | set_audio_registers(core, nicam_l); |
365 | break; | |
366 | case WW_I: | |
53a7338a | 367 | dprintk("%s PAL-I NICAM (status: known-good)\n", __FUNCTION__); |
b1706b91 TS |
368 | set_audio_registers(core, nicam_bgdki_common); |
369 | set_audio_registers(core, nicam_i); | |
370 | break; | |
371 | default: | |
53a7338a | 372 | dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __FUNCTION__); |
b1706b91 TS |
373 | set_audio_registers(core, nicam_bgdki_common); |
374 | set_audio_registers(core, nicam_default); | |
375 | break; | |
376 | }; | |
377 | ||
378 | mode |= EN_DMTRX_LR | EN_DMTRX_BYPASS; | |
379 | set_audio_finish(core, mode); | |
1da177e4 LT |
380 | } |
381 | ||
e52e98a7 | 382 | static void set_audio_standard_A2(struct cx88_core *core, u32 mode) |
1da177e4 | 383 | { |
b1706b91 | 384 | static const struct rlist a2_bgdk_common[] = { |
7b3c6d65 NS |
385 | {AUD_ERRLOGPERIOD_R, 0x00000064}, |
386 | {AUD_ERRINTRPTTHSHLD1_R, 0x00000fff}, | |
387 | {AUD_ERRINTRPTTHSHLD2_R, 0x0000001f}, | |
388 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000000f}, | |
389 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, | |
390 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, | |
391 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, | |
392 | {AUD_QAM_MODE, 0x05}, | |
393 | {AUD_PHACC_FREQ_8MSB, 0x34}, | |
394 | {AUD_PHACC_FREQ_8LSB, 0x4c}, | |
395 | {AUD_RATE_ADJ1, 0x00000100}, | |
396 | {AUD_RATE_ADJ2, 0x00000200}, | |
397 | {AUD_RATE_ADJ3, 0x00000300}, | |
398 | {AUD_RATE_ADJ4, 0x00000400}, | |
399 | {AUD_RATE_ADJ5, 0x00000500}, | |
400 | {AUD_THR_FR, 0x00000000}, | |
401 | {AAGC_HYST, 0x0000001a}, | |
402 | {AUD_PILOT_BQD_1_K0, 0x0000755b}, | |
403 | {AUD_PILOT_BQD_1_K1, 0x00551340}, | |
404 | {AUD_PILOT_BQD_1_K2, 0x006d30be}, | |
405 | {AUD_PILOT_BQD_1_K3, 0xffd394af}, | |
406 | {AUD_PILOT_BQD_1_K4, 0x00400000}, | |
407 | {AUD_PILOT_BQD_2_K0, 0x00040000}, | |
408 | {AUD_PILOT_BQD_2_K1, 0x002a4841}, | |
409 | {AUD_PILOT_BQD_2_K2, 0x00400000}, | |
410 | {AUD_PILOT_BQD_2_K3, 0x00000000}, | |
411 | {AUD_PILOT_BQD_2_K4, 0x00000000}, | |
412 | {AUD_MODE_CHG_TIMER, 0x00000040}, | |
413 | {AUD_AFE_12DB_EN, 0x00000001}, | |
414 | {AUD_CORDIC_SHIFT_0, 0x00000007}, | |
415 | {AUD_CORDIC_SHIFT_1, 0x00000007}, | |
416 | {AUD_DEEMPH0_G0, 0x00000380}, | |
417 | {AUD_DEEMPH1_G0, 0x00000380}, | |
418 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
419 | {AUD_DCOC0_SHIFT, 0x00000000}, | |
420 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
421 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
422 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
423 | {AUD_IIR3_0_SEL, 0x00000021}, | |
424 | {AUD_DN2_AFC, 0x00000002}, | |
425 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
426 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
427 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
428 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
429 | {AUD_IIR3_1_SEL, 0x00000023}, | |
430 | {AUD_RDSI_SEL, 0x00000017}, | |
431 | {AUD_RDSI_SHIFT, 0x00000000}, | |
432 | {AUD_RDSQ_SEL, 0x00000017}, | |
433 | {AUD_RDSQ_SHIFT, 0x00000000}, | |
434 | {AUD_PLL_INT, 0x0000001e}, | |
435 | {AUD_PLL_DDS, 0x00000000}, | |
436 | {AUD_PLL_FRAC, 0x0000e542}, | |
437 | {AUD_POLYPH80SCALEFAC, 0x00000001}, | |
438 | {AUD_START_TIMER, 0x00000000}, | |
439 | { /* end of list */ }, | |
e52e98a7 | 440 | }; |
1da177e4 | 441 | |
e52e98a7 | 442 | static const struct rlist a2_bg[] = { |
7b3c6d65 NS |
443 | {AUD_DMD_RA_DDS, 0x002a4f2f}, |
444 | {AUD_C1_UP_THR, 0x00007000}, | |
445 | {AUD_C1_LO_THR, 0x00005400}, | |
446 | {AUD_C2_UP_THR, 0x00005400}, | |
447 | {AUD_C2_LO_THR, 0x00003000}, | |
448 | { /* end of list */ }, | |
1da177e4 LT |
449 | }; |
450 | ||
e52e98a7 | 451 | static const struct rlist a2_dk[] = { |
7b3c6d65 NS |
452 | {AUD_DMD_RA_DDS, 0x002a4f2f}, |
453 | {AUD_C1_UP_THR, 0x00007000}, | |
454 | {AUD_C1_LO_THR, 0x00005400}, | |
455 | {AUD_C2_UP_THR, 0x00005400}, | |
456 | {AUD_C2_LO_THR, 0x00003000}, | |
457 | {AUD_DN0_FREQ, 0x00003a1c}, | |
458 | {AUD_DN2_FREQ, 0x0000d2e0}, | |
459 | { /* end of list */ }, | |
1da177e4 | 460 | }; |
b1706b91 TS |
461 | |
462 | static const struct rlist a1_i[] = { | |
7b3c6d65 NS |
463 | {AUD_ERRLOGPERIOD_R, 0x00000064}, |
464 | {AUD_ERRINTRPTTHSHLD1_R, 0x00000fff}, | |
465 | {AUD_ERRINTRPTTHSHLD2_R, 0x0000001f}, | |
466 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000000f}, | |
467 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, | |
468 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, | |
469 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, | |
470 | {AUD_QAM_MODE, 0x05}, | |
471 | {AUD_PHACC_FREQ_8MSB, 0x3a}, | |
472 | {AUD_PHACC_FREQ_8LSB, 0x93}, | |
473 | {AUD_DMD_RA_DDS, 0x002a4f2f}, | |
474 | {AUD_PLL_INT, 0x0000001e}, | |
475 | {AUD_PLL_DDS, 0x00000004}, | |
476 | {AUD_PLL_FRAC, 0x0000e542}, | |
477 | {AUD_RATE_ADJ1, 0x00000100}, | |
478 | {AUD_RATE_ADJ2, 0x00000200}, | |
479 | {AUD_RATE_ADJ3, 0x00000300}, | |
480 | {AUD_RATE_ADJ4, 0x00000400}, | |
481 | {AUD_RATE_ADJ5, 0x00000500}, | |
482 | {AUD_THR_FR, 0x00000000}, | |
483 | {AUD_PILOT_BQD_1_K0, 0x0000755b}, | |
484 | {AUD_PILOT_BQD_1_K1, 0x00551340}, | |
485 | {AUD_PILOT_BQD_1_K2, 0x006d30be}, | |
486 | {AUD_PILOT_BQD_1_K3, 0xffd394af}, | |
487 | {AUD_PILOT_BQD_1_K4, 0x00400000}, | |
488 | {AUD_PILOT_BQD_2_K0, 0x00040000}, | |
489 | {AUD_PILOT_BQD_2_K1, 0x002a4841}, | |
490 | {AUD_PILOT_BQD_2_K2, 0x00400000}, | |
491 | {AUD_PILOT_BQD_2_K3, 0x00000000}, | |
492 | {AUD_PILOT_BQD_2_K4, 0x00000000}, | |
493 | {AUD_MODE_CHG_TIMER, 0x00000060}, | |
494 | {AUD_AFE_12DB_EN, 0x00000001}, | |
495 | {AAGC_HYST, 0x0000000a}, | |
496 | {AUD_CORDIC_SHIFT_0, 0x00000007}, | |
497 | {AUD_CORDIC_SHIFT_1, 0x00000007}, | |
498 | {AUD_C1_UP_THR, 0x00007000}, | |
499 | {AUD_C1_LO_THR, 0x00005400}, | |
500 | {AUD_C2_UP_THR, 0x00005400}, | |
501 | {AUD_C2_LO_THR, 0x00003000}, | |
502 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
503 | {AUD_DCOC0_SHIFT, 0x00000000}, | |
504 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
505 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
506 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
507 | {AUD_IIR3_0_SEL, 0x00000021}, | |
508 | {AUD_DN2_AFC, 0x00000002}, | |
509 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
510 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
511 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
512 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
513 | {AUD_IIR3_1_SEL, 0x00000023}, | |
514 | {AUD_DN0_FREQ, 0x000035a3}, | |
515 | {AUD_DN2_FREQ, 0x000029c7}, | |
516 | {AUD_CRDC0_SRC_SEL, 0x00000511}, | |
517 | {AUD_IIR1_0_SEL, 0x00000001}, | |
518 | {AUD_IIR1_1_SEL, 0x00000000}, | |
519 | {AUD_IIR3_2_SEL, 0x00000003}, | |
520 | {AUD_IIR3_2_SHIFT, 0x00000000}, | |
521 | {AUD_IIR3_0_SEL, 0x00000002}, | |
522 | {AUD_IIR2_0_SEL, 0x00000021}, | |
523 | {AUD_IIR2_0_SHIFT, 0x00000002}, | |
524 | {AUD_DEEMPH0_SRC_SEL, 0x0000000b}, | |
525 | {AUD_DEEMPH1_SRC_SEL, 0x0000000b}, | |
526 | {AUD_POLYPH80SCALEFAC, 0x00000001}, | |
527 | {AUD_START_TIMER, 0x00000000}, | |
528 | { /* end of list */ }, | |
b1706b91 TS |
529 | }; |
530 | ||
531 | static const struct rlist am_l[] = { | |
7b3c6d65 NS |
532 | {AUD_ERRLOGPERIOD_R, 0x00000064}, |
533 | {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF}, | |
534 | {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F}, | |
535 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F}, | |
536 | {AUD_PDF_DDS_CNST_BYTE2, 0x48}, | |
537 | {AUD_PDF_DDS_CNST_BYTE1, 0x3D}, | |
538 | {AUD_QAM_MODE, 0x00}, | |
539 | {AUD_PDF_DDS_CNST_BYTE0, 0xf5}, | |
540 | {AUD_PHACC_FREQ_8MSB, 0x3a}, | |
541 | {AUD_PHACC_FREQ_8LSB, 0x4a}, | |
542 | {AUD_DEEMPHGAIN_R, 0x00006680}, | |
543 | {AUD_DEEMPHNUMER1_R, 0x000353DE}, | |
544 | {AUD_DEEMPHNUMER2_R, 0x000001B1}, | |
545 | {AUD_DEEMPHDENOM1_R, 0x0000F3D0}, | |
546 | {AUD_DEEMPHDENOM2_R, 0x00000000}, | |
547 | {AUD_FM_MODE_ENABLE, 0x00000007}, | |
548 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
549 | {AUD_AFE_12DB_EN, 0x00000001}, | |
550 | {AAGC_GAIN, 0x00000000}, | |
551 | {AAGC_HYST, 0x00000018}, | |
552 | {AAGC_DEF, 0x00000020}, | |
553 | {AUD_DN0_FREQ, 0x00000000}, | |
554 | {AUD_POLY0_DDS_CONSTANT, 0x000E4DB2}, | |
555 | {AUD_DCOC_0_SRC, 0x00000021}, | |
556 | {AUD_IIR1_0_SEL, 0x00000000}, | |
557 | {AUD_IIR1_0_SHIFT, 0x00000007}, | |
558 | {AUD_IIR1_1_SEL, 0x00000002}, | |
559 | {AUD_IIR1_1_SHIFT, 0x00000000}, | |
560 | {AUD_DCOC_1_SRC, 0x00000003}, | |
561 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
562 | {AUD_DCOC_PASS_IN, 0x00000000}, | |
563 | {AUD_IIR1_2_SEL, 0x00000023}, | |
564 | {AUD_IIR1_2_SHIFT, 0x00000000}, | |
565 | {AUD_IIR1_3_SEL, 0x00000004}, | |
566 | {AUD_IIR1_3_SHIFT, 0x00000007}, | |
567 | {AUD_IIR1_4_SEL, 0x00000005}, | |
568 | {AUD_IIR1_4_SHIFT, 0x00000007}, | |
569 | {AUD_IIR3_0_SEL, 0x00000007}, | |
570 | {AUD_IIR3_0_SHIFT, 0x00000000}, | |
571 | {AUD_DEEMPH0_SRC_SEL, 0x00000011}, | |
572 | {AUD_DEEMPH0_SHIFT, 0x00000000}, | |
573 | {AUD_DEEMPH0_G0, 0x00007000}, | |
574 | {AUD_DEEMPH0_A0, 0x00000000}, | |
575 | {AUD_DEEMPH0_B0, 0x00000000}, | |
576 | {AUD_DEEMPH0_A1, 0x00000000}, | |
577 | {AUD_DEEMPH0_B1, 0x00000000}, | |
578 | {AUD_DEEMPH1_SRC_SEL, 0x00000011}, | |
579 | {AUD_DEEMPH1_SHIFT, 0x00000000}, | |
580 | {AUD_DEEMPH1_G0, 0x00007000}, | |
581 | {AUD_DEEMPH1_A0, 0x00000000}, | |
582 | {AUD_DEEMPH1_B0, 0x00000000}, | |
583 | {AUD_DEEMPH1_A1, 0x00000000}, | |
584 | {AUD_DEEMPH1_B1, 0x00000000}, | |
585 | {AUD_OUT0_SEL, 0x0000003F}, | |
586 | {AUD_OUT1_SEL, 0x0000003F}, | |
587 | {AUD_DMD_RA_DDS, 0x00F5C285}, | |
588 | {AUD_PLL_INT, 0x0000001E}, | |
589 | {AUD_PLL_DDS, 0x00000000}, | |
590 | {AUD_PLL_FRAC, 0x0000E542}, | |
591 | {AUD_RATE_ADJ1, 0x00000100}, | |
592 | {AUD_RATE_ADJ2, 0x00000200}, | |
593 | {AUD_RATE_ADJ3, 0x00000300}, | |
594 | {AUD_RATE_ADJ4, 0x00000400}, | |
595 | {AUD_RATE_ADJ5, 0x00000500}, | |
596 | {AUD_RATE_THRES_DMD, 0x000000C0}, | |
597 | { /* end of list */ }, | |
1da177e4 | 598 | }; |
e52e98a7 MCC |
599 | |
600 | static const struct rlist a2_deemph50[] = { | |
7b3c6d65 NS |
601 | {AUD_DEEMPH0_G0, 0x00000380}, |
602 | {AUD_DEEMPH1_G0, 0x00000380}, | |
603 | {AUD_DEEMPHGAIN_R, 0x000011e1}, | |
604 | {AUD_DEEMPHNUMER1_R, 0x0002a7bc}, | |
605 | {AUD_DEEMPHNUMER2_R, 0x0003023c}, | |
606 | { /* end of list */ }, | |
e52e98a7 MCC |
607 | }; |
608 | ||
e52e98a7 | 609 | set_audio_start(core, SEL_A2); |
1da177e4 | 610 | switch (core->tvaudio) { |
b1706b91 | 611 | case WW_BG: |
7b3c6d65 | 612 | dprintk("%s PAL-BG A1/2 (status: known-good)\n", __FUNCTION__); |
b1706b91 TS |
613 | set_audio_registers(core, a2_bgdk_common); |
614 | set_audio_registers(core, a2_bg); | |
615 | set_audio_registers(core, a2_deemph50); | |
1da177e4 | 616 | break; |
b1706b91 | 617 | case WW_DK: |
7b3c6d65 | 618 | dprintk("%s PAL-DK A1/2 (status: known-good)\n", __FUNCTION__); |
b1706b91 TS |
619 | set_audio_registers(core, a2_bgdk_common); |
620 | set_audio_registers(core, a2_dk); | |
621 | set_audio_registers(core, a2_deemph50); | |
1da177e4 | 622 | break; |
b1706b91 | 623 | case WW_I: |
7b3c6d65 | 624 | dprintk("%s PAL-I A1 (status: known-good)\n", __FUNCTION__); |
b1706b91 TS |
625 | set_audio_registers(core, a1_i); |
626 | set_audio_registers(core, a2_deemph50); | |
627 | break; | |
628 | case WW_L: | |
7b3c6d65 | 629 | dprintk("%s AM-L (status: devel)\n", __FUNCTION__); |
b1706b91 TS |
630 | set_audio_registers(core, am_l); |
631 | break; | |
632 | default: | |
7b3c6d65 | 633 | dprintk("%s Warning: wrong value\n", __FUNCTION__); |
b1706b91 | 634 | return; |
1da177e4 LT |
635 | break; |
636 | }; | |
e52e98a7 MCC |
637 | |
638 | mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF; | |
639 | set_audio_finish(core, mode); | |
1da177e4 LT |
640 | } |
641 | ||
642 | static void set_audio_standard_EIAJ(struct cx88_core *core) | |
643 | { | |
644 | static const struct rlist eiaj[] = { | |
645 | /* TODO: eiaj register settings are not there yet ... */ | |
646 | ||
647 | { /* end of list */ }, | |
648 | }; | |
7b3c6d65 | 649 | dprintk("%s (status: unknown)\n", __FUNCTION__); |
1da177e4 | 650 | |
e52e98a7 | 651 | set_audio_start(core, SEL_EIAJ); |
1da177e4 | 652 | set_audio_registers(core, eiaj); |
e52e98a7 | 653 | set_audio_finish(core, EN_EIAJ_AUTO_STEREO); |
1da177e4 LT |
654 | } |
655 | ||
7b3c6d65 NS |
656 | static void set_audio_standard_FM(struct cx88_core *core, |
657 | enum cx88_deemph_type deemph) | |
1da177e4 | 658 | { |
b45009b0 | 659 | static const struct rlist fm_deemph_50[] = { |
7b3c6d65 NS |
660 | {AUD_DEEMPH0_G0, 0x0C45}, |
661 | {AUD_DEEMPH0_A0, 0x6262}, | |
662 | {AUD_DEEMPH0_B0, 0x1C29}, | |
663 | {AUD_DEEMPH0_A1, 0x3FC66}, | |
664 | {AUD_DEEMPH0_B1, 0x399A}, | |
665 | ||
666 | {AUD_DEEMPH1_G0, 0x0D80}, | |
667 | {AUD_DEEMPH1_A0, 0x6262}, | |
668 | {AUD_DEEMPH1_B0, 0x1C29}, | |
669 | {AUD_DEEMPH1_A1, 0x3FC66}, | |
670 | {AUD_DEEMPH1_B1, 0x399A}, | |
671 | ||
672 | {AUD_POLYPH80SCALEFAC, 0x0003}, | |
b45009b0 MCC |
673 | { /* end of list */ }, |
674 | }; | |
675 | static const struct rlist fm_deemph_75[] = { | |
7b3c6d65 NS |
676 | {AUD_DEEMPH0_G0, 0x091B}, |
677 | {AUD_DEEMPH0_A0, 0x6B68}, | |
678 | {AUD_DEEMPH0_B0, 0x11EC}, | |
679 | {AUD_DEEMPH0_A1, 0x3FC66}, | |
680 | {AUD_DEEMPH0_B1, 0x399A}, | |
681 | ||
682 | {AUD_DEEMPH1_G0, 0x0AA0}, | |
683 | {AUD_DEEMPH1_A0, 0x6B68}, | |
684 | {AUD_DEEMPH1_B0, 0x11EC}, | |
685 | {AUD_DEEMPH1_A1, 0x3FC66}, | |
686 | {AUD_DEEMPH1_B1, 0x399A}, | |
687 | ||
688 | {AUD_POLYPH80SCALEFAC, 0x0003}, | |
b45009b0 MCC |
689 | { /* end of list */ }, |
690 | }; | |
1da177e4 | 691 | |
b45009b0 MCC |
692 | /* It is enough to leave default values? */ |
693 | static const struct rlist fm_no_deemph[] = { | |
1da177e4 | 694 | |
7b3c6d65 | 695 | {AUD_POLYPH80SCALEFAC, 0x0003}, |
b45009b0 MCC |
696 | { /* end of list */ }, |
697 | }; | |
1da177e4 | 698 | |
7b3c6d65 | 699 | dprintk("%s (status: unknown)\n", __FUNCTION__); |
e52e98a7 | 700 | set_audio_start(core, SEL_FMRADIO); |
1da177e4 | 701 | |
7b3c6d65 NS |
702 | switch (deemph) { |
703 | case FM_NO_DEEMPH: | |
704 | set_audio_registers(core, fm_no_deemph); | |
705 | break; | |
1da177e4 | 706 | |
7b3c6d65 NS |
707 | case FM_DEEMPH_50: |
708 | set_audio_registers(core, fm_deemph_50); | |
709 | break; | |
1da177e4 | 710 | |
7b3c6d65 NS |
711 | case FM_DEEMPH_75: |
712 | set_audio_registers(core, fm_deemph_75); | |
713 | break; | |
b45009b0 | 714 | } |
1da177e4 | 715 | |
e52e98a7 | 716 | set_audio_finish(core, EN_FMRADIO_AUTO_STEREO); |
1da177e4 LT |
717 | } |
718 | ||
719 | /* ----------------------------------------------------------- */ | |
720 | ||
b1706b91 TS |
721 | int cx88_detect_nicam(struct cx88_core *core) |
722 | { | |
7b3c6d65 | 723 | int i, j = 0; |
b1706b91 TS |
724 | |
725 | dprintk("start nicam autodetect.\n"); | |
726 | ||
7b3c6d65 NS |
727 | for (i = 0; i < 6; i++) { |
728 | /* if bit1=1 then nicam is detected */ | |
729 | j += ((cx_read(AUD_NICAM_STATUS2) & 0x02) >> 1); | |
b1706b91 | 730 | |
53a7338a | 731 | if (j == 1) { |
b1706b91 TS |
732 | dprintk("nicam is detected.\n"); |
733 | return 1; | |
734 | } | |
735 | ||
736 | /* wait a little bit for next reading status */ | |
7b3c6d65 | 737 | msleep(10); |
b1706b91 TS |
738 | } |
739 | ||
740 | dprintk("nicam is not detected.\n"); | |
741 | return 0; | |
742 | } | |
743 | ||
1da177e4 LT |
744 | void cx88_set_tvaudio(struct cx88_core *core) |
745 | { | |
746 | switch (core->tvaudio) { | |
747 | case WW_BTSC: | |
e52e98a7 | 748 | set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); |
1da177e4 | 749 | break; |
b1706b91 TS |
750 | case WW_BG: |
751 | case WW_DK: | |
752 | case WW_I: | |
753 | case WW_L: | |
754 | /* prepare all dsp registers */ | |
755 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
756 | ||
757 | /* set nicam mode - otherwise | |
758 | AUD_NICAM_STATUS2 contains wrong values */ | |
7f7e846c | 759 | set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO); |
7b3c6d65 | 760 | if (0 == cx88_detect_nicam(core)) { |
b1706b91 TS |
761 | /* fall back to fm / am mono */ |
762 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
763 | core->use_nicam = 0; | |
7b3c6d65 | 764 | } else { |
b1706b91 | 765 | core->use_nicam = 1; |
7b3c6d65 | 766 | } |
1da177e4 LT |
767 | break; |
768 | case WW_EIAJ: | |
769 | set_audio_standard_EIAJ(core); | |
770 | break; | |
771 | case WW_FM: | |
7b3c6d65 | 772 | set_audio_standard_FM(core, FM_NO_DEEMPH); |
1da177e4 | 773 | break; |
1da177e4 LT |
774 | case WW_NONE: |
775 | default: | |
776 | printk("%s/0: unknown tv audio mode [%d]\n", | |
7b3c6d65 | 777 | core->name, core->tvaudio); |
1da177e4 LT |
778 | break; |
779 | } | |
780 | return; | |
781 | } | |
782 | ||
783 | void cx88_newstation(struct cx88_core *core) | |
784 | { | |
785 | core->audiomode_manual = UNSET; | |
1da177e4 LT |
786 | } |
787 | ||
788 | void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t) | |
789 | { | |
7b3c6d65 NS |
790 | static char *m[] = { "stereo", "dual mono", "mono", "sap" }; |
791 | static char *p[] = { "no pilot", "pilot c1", "pilot c2", "?" }; | |
792 | u32 reg, mode, pilot; | |
1da177e4 | 793 | |
7b3c6d65 NS |
794 | reg = cx_read(AUD_STATUS); |
795 | mode = reg & 0x03; | |
1da177e4 LT |
796 | pilot = (reg >> 2) & 0x03; |
797 | ||
798 | if (core->astat != reg) | |
799 | dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n", | |
800 | reg, m[mode], p[pilot], | |
801 | aud_ctl_names[cx_read(AUD_CTL) & 63]); | |
802 | core->astat = reg; | |
803 | ||
e52e98a7 MCC |
804 | /* TODO |
805 | Reading from AUD_STATUS is not enough | |
806 | for auto-detecting sap/dual-fm/nicam. | |
807 | Add some code here later. | |
808 | */ | |
809 | ||
810 | # if 0 | |
1da177e4 | 811 | t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP | |
7b3c6d65 | 812 | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; |
1da177e4 | 813 | t->rxsubchans = V4L2_TUNER_SUB_MONO; |
7b3c6d65 | 814 | t->audmode = V4L2_TUNER_MODE_MONO; |
1da177e4 LT |
815 | |
816 | switch (core->tvaudio) { | |
817 | case WW_BTSC: | |
7b3c6d65 | 818 | t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP; |
1da177e4 | 819 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
e52e98a7 | 820 | if (1 == pilot) { |
1da177e4 LT |
821 | /* SAP */ |
822 | t->rxsubchans |= V4L2_TUNER_SUB_SAP; | |
823 | } | |
824 | break; | |
825 | case WW_A2_BG: | |
826 | case WW_A2_DK: | |
827 | case WW_A2_M: | |
e52e98a7 | 828 | if (1 == pilot) { |
1da177e4 | 829 | /* stereo */ |
7b3c6d65 NS |
830 | t->rxsubchans = |
831 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
1da177e4 LT |
832 | if (0 == mode) |
833 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
834 | } | |
e52e98a7 | 835 | if (2 == pilot) { |
1da177e4 | 836 | /* dual language -- FIXME */ |
7b3c6d65 NS |
837 | t->rxsubchans = |
838 | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
1da177e4 LT |
839 | t->audmode = V4L2_TUNER_MODE_LANG1; |
840 | } | |
841 | break; | |
842 | case WW_NICAM_BGDKL: | |
843 | if (0 == mode) { | |
844 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
845 | t->rxsubchans |= V4L2_TUNER_SUB_STEREO; | |
846 | } | |
847 | break; | |
e52e98a7 MCC |
848 | case WW_SYSTEM_L_AM: |
849 | if (0x0 == mode && !(cx_read(AUD_INIT) & 0x04)) { | |
850 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
1da177e4 LT |
851 | t->rxsubchans |= V4L2_TUNER_SUB_STEREO; |
852 | } | |
7b3c6d65 | 853 | break; |
1da177e4 LT |
854 | default: |
855 | /* nothing */ | |
856 | break; | |
857 | } | |
e52e98a7 | 858 | # endif |
1da177e4 LT |
859 | return; |
860 | } | |
861 | ||
862 | void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual) | |
863 | { | |
7b3c6d65 | 864 | u32 ctl = UNSET; |
1da177e4 LT |
865 | u32 mask = UNSET; |
866 | ||
867 | if (manual) { | |
868 | core->audiomode_manual = mode; | |
869 | } else { | |
870 | if (UNSET != core->audiomode_manual) | |
871 | return; | |
872 | } | |
873 | core->audiomode_current = mode; | |
874 | ||
875 | switch (core->tvaudio) { | |
876 | case WW_BTSC: | |
877 | switch (mode) { | |
878 | case V4L2_TUNER_MODE_MONO: | |
e52e98a7 | 879 | set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_MONO); |
1da177e4 | 880 | break; |
e52e98a7 MCC |
881 | case V4L2_TUNER_MODE_LANG1: |
882 | set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); | |
883 | break; | |
884 | case V4L2_TUNER_MODE_LANG2: | |
885 | set_audio_standard_BTSC(core, 1, EN_BTSC_FORCE_SAP); | |
1da177e4 LT |
886 | break; |
887 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 888 | case V4L2_TUNER_MODE_LANG1_LANG2: |
e52e98a7 | 889 | set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_STEREO); |
1da177e4 LT |
890 | break; |
891 | } | |
892 | break; | |
b1706b91 TS |
893 | case WW_BG: |
894 | case WW_DK: | |
895 | case WW_I: | |
896 | case WW_L: | |
7b3c6d65 | 897 | if (1 == core->use_nicam) { |
b1706b91 TS |
898 | switch (mode) { |
899 | case V4L2_TUNER_MODE_MONO: | |
900 | case V4L2_TUNER_MODE_LANG1: | |
7b3c6d65 NS |
901 | set_audio_standard_NICAM(core, |
902 | EN_NICAM_FORCE_MONO1); | |
b1706b91 TS |
903 | break; |
904 | case V4L2_TUNER_MODE_LANG2: | |
7b3c6d65 NS |
905 | set_audio_standard_NICAM(core, |
906 | EN_NICAM_FORCE_MONO2); | |
b1706b91 TS |
907 | break; |
908 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 909 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7b3c6d65 NS |
910 | set_audio_standard_NICAM(core, |
911 | EN_NICAM_FORCE_STEREO); | |
b1706b91 TS |
912 | break; |
913 | } | |
914 | } else { | |
7b3c6d65 | 915 | if ((core->tvaudio == WW_I) || (core->tvaudio == WW_L)) { |
b1706b91 TS |
916 | /* fall back to fm / am mono */ |
917 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
918 | } else { | |
919 | /* TODO: Add A2 autodection */ | |
920 | switch (mode) { | |
921 | case V4L2_TUNER_MODE_MONO: | |
922 | case V4L2_TUNER_MODE_LANG1: | |
7b3c6d65 NS |
923 | set_audio_standard_A2(core, |
924 | EN_A2_FORCE_MONO1); | |
b1706b91 TS |
925 | break; |
926 | case V4L2_TUNER_MODE_LANG2: | |
7b3c6d65 NS |
927 | set_audio_standard_A2(core, |
928 | EN_A2_FORCE_MONO2); | |
b1706b91 TS |
929 | break; |
930 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 931 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7b3c6d65 NS |
932 | set_audio_standard_A2(core, |
933 | EN_A2_FORCE_STEREO); | |
b1706b91 TS |
934 | break; |
935 | } | |
936 | } | |
1da177e4 LT |
937 | } |
938 | break; | |
939 | case WW_FM: | |
940 | switch (mode) { | |
941 | case V4L2_TUNER_MODE_MONO: | |
7b3c6d65 | 942 | ctl = EN_FMRADIO_FORCE_MONO; |
1da177e4 LT |
943 | mask = 0x3f; |
944 | break; | |
945 | case V4L2_TUNER_MODE_STEREO: | |
7b3c6d65 | 946 | ctl = EN_FMRADIO_AUTO_STEREO; |
1da177e4 LT |
947 | mask = 0x3f; |
948 | break; | |
949 | } | |
950 | break; | |
951 | } | |
952 | ||
953 | if (UNSET != ctl) { | |
954 | dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x " | |
955 | "[status=0x%x,ctl=0x%x,vol=0x%x]\n", | |
956 | mask, ctl, cx_read(AUD_STATUS), | |
957 | cx_read(AUD_CTL), cx_sread(SHADOW_AUD_VOL_CTL)); | |
958 | cx_andor(AUD_CTL, mask, ctl); | |
959 | } | |
960 | return; | |
961 | } | |
962 | ||
963 | int cx88_audio_thread(void *data) | |
964 | { | |
965 | struct cx88_core *core = data; | |
966 | struct v4l2_tuner t; | |
967 | u32 mode = 0; | |
968 | ||
969 | dprintk("cx88: tvaudio thread started\n"); | |
970 | for (;;) { | |
971 | msleep_interruptible(1000); | |
972 | if (kthread_should_stop()) | |
973 | break; | |
974 | ||
975 | /* just monitor the audio status for now ... */ | |
7b3c6d65 NS |
976 | memset(&t, 0, sizeof(t)); |
977 | cx88_get_stereo(core, &t); | |
1da177e4 LT |
978 | |
979 | if (UNSET != core->audiomode_manual) | |
980 | /* manually set, don't do anything. */ | |
981 | continue; | |
982 | ||
983 | /* monitor signal */ | |
984 | if (t.rxsubchans & V4L2_TUNER_SUB_STEREO) | |
985 | mode = V4L2_TUNER_MODE_STEREO; | |
986 | else | |
987 | mode = V4L2_TUNER_MODE_MONO; | |
988 | if (mode == core->audiomode_current) | |
989 | continue; | |
990 | ||
991 | /* automatically switch to best available mode */ | |
992 | cx88_set_stereo(core, mode, 0); | |
993 | } | |
994 | ||
995 | dprintk("cx88: tvaudio thread exiting\n"); | |
996 | return 0; | |
997 | } | |
998 | ||
999 | /* ----------------------------------------------------------- */ | |
1000 | ||
1001 | EXPORT_SYMBOL(cx88_set_tvaudio); | |
1002 | EXPORT_SYMBOL(cx88_newstation); | |
1003 | EXPORT_SYMBOL(cx88_set_stereo); | |
1004 | EXPORT_SYMBOL(cx88_get_stereo); | |
1005 | EXPORT_SYMBOL(cx88_audio_thread); | |
1006 | ||
1007 | /* | |
1008 | * Local variables: | |
1009 | * c-basic-offset: 8 | |
1010 | * End: | |
b45009b0 | 1011 | * 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 |
1da177e4 | 1012 | */ |