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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> | |
1da177e4 | 39 | #include <linux/errno.h> |
a96afb3e | 40 | #include <linux/freezer.h> |
1da177e4 | 41 | #include <linux/kernel.h> |
1da177e4 LT |
42 | #include <linux/mm.h> |
43 | #include <linux/poll.h> | |
1da177e4 LT |
44 | #include <linux/signal.h> |
45 | #include <linux/ioport.h> | |
1da177e4 LT |
46 | #include <linux/types.h> |
47 | #include <linux/interrupt.h> | |
48 | #include <linux/vmalloc.h> | |
49 | #include <linux/init.h> | |
1da177e4 LT |
50 | #include <linux/delay.h> |
51 | #include <linux/kthread.h> | |
52 | ||
53 | #include "cx88.h" | |
54 | ||
ff699e6b | 55 | static unsigned int audio_debug; |
7b3c6d65 NS |
56 | module_param(audio_debug, int, 0644); |
57 | MODULE_PARM_DESC(audio_debug, "enable debug messages [audio]"); | |
1da177e4 | 58 | |
ff699e6b | 59 | static unsigned int always_analog; |
7d83e843 PC |
60 | module_param(always_analog,int,0644); |
61 | MODULE_PARM_DESC(always_analog,"force analog audio out"); | |
62 | ||
ff699e6b | 63 | static unsigned int radio_deemphasis; |
fa40b223 TP |
64 | module_param(radio_deemphasis,int,0644); |
65 | MODULE_PARM_DESC(radio_deemphasis, "Radio deemphasis time constant, " | |
66 | "0=None, 1=50us (elsewhere), 2=75us (USA)"); | |
7d83e843 | 67 | |
1da177e4 LT |
68 | #define dprintk(fmt, arg...) if (audio_debug) \ |
69 | printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) | |
70 | ||
71 | /* ----------------------------------------------------------- */ | |
72 | ||
2e4e98e7 | 73 | static const char * const aud_ctl_names[64] = { |
7b3c6d65 NS |
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 | ||
6f502b8a MCC |
140 | /* restart dma; This avoids buzz in NICAM and is good in others */ |
141 | cx88_stop_audio_dma(core); | |
53a7338a | 142 | cx_write(AUD_RATE_THRES_DMD, 0x000000C0); |
6f502b8a | 143 | cx88_start_audio_dma(core); |
53a7338a | 144 | |
6a59d64c | 145 | if (core->board.mpeg & CX88_MPEG_BLACKBIRD) { |
b45009b0 MCC |
146 | cx_write(AUD_I2SINPUTCNTL, 4); |
147 | cx_write(AUD_BAUDRATE, 1); | |
53a7338a | 148 | /* 'pass-thru mode': this enables the i2s output to the mpeg encoder */ |
b45009b0 | 149 | cx_set(AUD_CTL, EN_I2SOUT_ENABLE); |
1da177e4 | 150 | cx_write(AUD_I2SOUTPUTCNTL, 1); |
b45009b0 | 151 | cx_write(AUD_I2SCNTL, 0); |
53a7338a | 152 | /* cx_write(AUD_APB_IN_RATE_ADJ, 0); */ |
7d83e843 | 153 | } |
6a59d64c | 154 | if ((always_analog) || (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))) { |
7b3c6d65 NS |
155 | ctl |= EN_DAC_ENABLE; |
156 | cx_write(AUD_CTL, ctl); | |
1da177e4 LT |
157 | } |
158 | ||
e52e98a7 | 159 | /* finish programming */ |
1da177e4 LT |
160 | cx_write(AUD_SOFT_RESET, 0x0000); |
161 | ||
e52e98a7 | 162 | /* unmute */ |
1da177e4 LT |
163 | volume = cx_sread(SHADOW_AUD_VOL_CTL); |
164 | cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, volume); | |
e878cf3a MB |
165 | |
166 | core->last_change = jiffies; | |
1da177e4 LT |
167 | } |
168 | ||
169 | /* ----------------------------------------------------------- */ | |
170 | ||
7b3c6d65 NS |
171 | static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap, |
172 | u32 mode) | |
1da177e4 LT |
173 | { |
174 | static const struct rlist btsc[] = { | |
7b3c6d65 NS |
175 | {AUD_AFE_12DB_EN, 0x00000001}, |
176 | {AUD_OUT1_SEL, 0x00000013}, | |
177 | {AUD_OUT1_SHIFT, 0x00000000}, | |
178 | {AUD_POLY0_DDS_CONSTANT, 0x0012010c}, | |
179 | {AUD_DMD_RA_DDS, 0x00c3e7aa}, | |
180 | {AUD_DBX_IN_GAIN, 0x00004734}, | |
181 | {AUD_DBX_WBE_GAIN, 0x00004640}, | |
182 | {AUD_DBX_SE_GAIN, 0x00008d31}, | |
183 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
184 | {AUD_IIR1_4_SEL, 0x00000021}, | |
185 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
186 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
187 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
188 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
189 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
190 | {AUD_DN0_FREQ, 0x0000283b}, | |
191 | {AUD_DN2_SRC_SEL, 0x00000008}, | |
192 | {AUD_DN2_FREQ, 0x00003000}, | |
193 | {AUD_DN2_AFC, 0x00000002}, | |
194 | {AUD_DN2_SHFT, 0x00000000}, | |
195 | {AUD_IIR2_2_SEL, 0x00000020}, | |
196 | {AUD_IIR2_2_SHIFT, 0x00000000}, | |
197 | {AUD_IIR2_3_SEL, 0x0000001f}, | |
198 | {AUD_IIR2_3_SHIFT, 0x00000000}, | |
199 | {AUD_CRDC1_SRC_SEL, 0x000003ce}, | |
200 | {AUD_CRDC1_SHIFT, 0x00000000}, | |
201 | {AUD_CORDIC_SHIFT_1, 0x00000007}, | |
202 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
203 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
204 | {AUD_RDSI_SEL, 0x00000008}, | |
205 | {AUD_RDSQ_SEL, 0x00000008}, | |
206 | {AUD_RDSI_SHIFT, 0x00000000}, | |
207 | {AUD_RDSQ_SHIFT, 0x00000000}, | |
208 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
e52e98a7 | 209 | { /* end of list */ }, |
1da177e4 LT |
210 | }; |
211 | static const struct rlist btsc_sap[] = { | |
7b3c6d65 NS |
212 | {AUD_AFE_12DB_EN, 0x00000001}, |
213 | {AUD_DBX_IN_GAIN, 0x00007200}, | |
214 | {AUD_DBX_WBE_GAIN, 0x00006200}, | |
215 | {AUD_DBX_SE_GAIN, 0x00006200}, | |
216 | {AUD_IIR1_1_SEL, 0x00000000}, | |
217 | {AUD_IIR1_3_SEL, 0x00000001}, | |
218 | {AUD_DN1_SRC_SEL, 0x00000007}, | |
219 | {AUD_IIR1_4_SHIFT, 0x00000006}, | |
220 | {AUD_IIR2_1_SHIFT, 0x00000000}, | |
221 | {AUD_IIR2_2_SHIFT, 0x00000000}, | |
222 | {AUD_IIR3_0_SHIFT, 0x00000000}, | |
223 | {AUD_IIR3_1_SHIFT, 0x00000000}, | |
224 | {AUD_IIR3_0_SEL, 0x0000000d}, | |
225 | {AUD_IIR3_1_SEL, 0x0000000e}, | |
226 | {AUD_DEEMPH1_SRC_SEL, 0x00000014}, | |
227 | {AUD_DEEMPH1_SHIFT, 0x00000000}, | |
228 | {AUD_DEEMPH1_G0, 0x00004000}, | |
229 | {AUD_DEEMPH1_A0, 0x00000000}, | |
230 | {AUD_DEEMPH1_B0, 0x00000000}, | |
231 | {AUD_DEEMPH1_A1, 0x00000000}, | |
232 | {AUD_DEEMPH1_B1, 0x00000000}, | |
233 | {AUD_OUT0_SEL, 0x0000003f}, | |
234 | {AUD_OUT1_SEL, 0x0000003f}, | |
235 | {AUD_DN1_AFC, 0x00000002}, | |
236 | {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, | |
237 | {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, | |
238 | {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, | |
239 | {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, | |
240 | {AUD_IIR1_0_SEL, 0x0000001d}, | |
241 | {AUD_IIR1_2_SEL, 0x0000001e}, | |
242 | {AUD_IIR2_1_SEL, 0x00000002}, | |
243 | {AUD_IIR2_2_SEL, 0x00000004}, | |
244 | {AUD_IIR3_2_SEL, 0x0000000f}, | |
245 | {AUD_DCOC2_SHIFT, 0x00000001}, | |
246 | {AUD_IIR3_2_SHIFT, 0x00000001}, | |
247 | {AUD_DEEMPH0_SRC_SEL, 0x00000014}, | |
248 | {AUD_CORDIC_SHIFT_1, 0x00000006}, | |
249 | {AUD_POLY0_DDS_CONSTANT, 0x000e4db2}, | |
250 | {AUD_DMD_RA_DDS, 0x00f696e6}, | |
251 | {AUD_IIR2_3_SEL, 0x00000025}, | |
252 | {AUD_IIR1_4_SEL, 0x00000021}, | |
253 | {AUD_DN1_FREQ, 0x0000c965}, | |
254 | {AUD_DCOC_PASS_IN, 0x00000003}, | |
255 | {AUD_DCOC_0_SRC, 0x0000001a}, | |
256 | {AUD_DCOC_1_SRC, 0x0000001b}, | |
257 | {AUD_DCOC1_SHIFT, 0x00000000}, | |
258 | {AUD_RDSI_SEL, 0x00000009}, | |
259 | {AUD_RDSQ_SEL, 0x00000009}, | |
260 | {AUD_RDSI_SHIFT, 0x00000000}, | |
261 | {AUD_RDSQ_SHIFT, 0x00000000}, | |
262 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
e52e98a7 | 263 | { /* end of list */ }, |
1da177e4 LT |
264 | }; |
265 | ||
e52e98a7 MCC |
266 | mode |= EN_FMRADIO_EN_RDS; |
267 | ||
1da177e4 | 268 | if (sap) { |
32d83efc | 269 | dprintk("%s SAP (status: unknown)\n", __func__); |
7b3c6d65 | 270 | set_audio_start(core, SEL_SAP); |
1da177e4 | 271 | set_audio_registers(core, btsc_sap); |
e52e98a7 | 272 | set_audio_finish(core, mode); |
1da177e4 | 273 | } else { |
32d83efc | 274 | dprintk("%s (status: known-good)\n", __func__); |
7b3c6d65 | 275 | set_audio_start(core, SEL_BTSC); |
1da177e4 | 276 | set_audio_registers(core, btsc); |
e52e98a7 | 277 | set_audio_finish(core, mode); |
1da177e4 | 278 | } |
1da177e4 LT |
279 | } |
280 | ||
b1706b91 | 281 | static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode) |
1da177e4 | 282 | { |
e52e98a7 | 283 | static const struct rlist nicam_l[] = { |
7b3c6d65 NS |
284 | {AUD_AFE_12DB_EN, 0x00000001}, |
285 | {AUD_RATE_ADJ1, 0x00000060}, | |
286 | {AUD_RATE_ADJ2, 0x000000F9}, | |
287 | {AUD_RATE_ADJ3, 0x000001CC}, | |
288 | {AUD_RATE_ADJ4, 0x000002B3}, | |
289 | {AUD_RATE_ADJ5, 0x00000726}, | |
290 | {AUD_DEEMPHDENOM1_R, 0x0000F3D0}, | |
291 | {AUD_DEEMPHDENOM2_R, 0x00000000}, | |
292 | {AUD_ERRLOGPERIOD_R, 0x00000064}, | |
293 | {AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF}, | |
294 | {AUD_ERRINTRPTTHSHLD2_R, 0x0000001F}, | |
295 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000000F}, | |
296 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
297 | {AUD_DMD_RA_DDS, 0x00C00000}, | |
298 | {AUD_PLL_INT, 0x0000001E}, | |
299 | {AUD_PLL_DDS, 0x00000000}, | |
300 | {AUD_PLL_FRAC, 0x0000E542}, | |
301 | {AUD_START_TIMER, 0x00000000}, | |
302 | {AUD_DEEMPHNUMER1_R, 0x000353DE}, | |
303 | {AUD_DEEMPHNUMER2_R, 0x000001B1}, | |
304 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, | |
305 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, | |
306 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, | |
307 | {AUD_QAM_MODE, 0x05}, | |
308 | {AUD_PHACC_FREQ_8MSB, 0x34}, | |
309 | {AUD_PHACC_FREQ_8LSB, 0x4C}, | |
310 | {AUD_DEEMPHGAIN_R, 0x00006680}, | |
311 | {AUD_RATE_THRES_DMD, 0x000000C0}, | |
312 | { /* end of list */ }, | |
313 | }; | |
1da177e4 | 314 | |
b1706b91 | 315 | static const struct rlist nicam_bgdki_common[] = { |
7b3c6d65 NS |
316 | {AUD_AFE_12DB_EN, 0x00000001}, |
317 | {AUD_RATE_ADJ1, 0x00000010}, | |
318 | {AUD_RATE_ADJ2, 0x00000040}, | |
319 | {AUD_RATE_ADJ3, 0x00000100}, | |
320 | {AUD_RATE_ADJ4, 0x00000400}, | |
321 | {AUD_RATE_ADJ5, 0x00001000}, | |
7b3c6d65 NS |
322 | {AUD_ERRLOGPERIOD_R, 0x00000fff}, |
323 | {AUD_ERRINTRPTTHSHLD1_R, 0x000003ff}, | |
324 | {AUD_ERRINTRPTTHSHLD2_R, 0x000000ff}, | |
325 | {AUD_ERRINTRPTTHSHLD3_R, 0x0000003f}, | |
326 | {AUD_POLYPH80SCALEFAC, 0x00000003}, | |
327 | {AUD_DEEMPHGAIN_R, 0x000023c2}, | |
328 | {AUD_DEEMPHNUMER1_R, 0x0002a7bc}, | |
329 | {AUD_DEEMPHNUMER2_R, 0x0003023e}, | |
330 | {AUD_DEEMPHDENOM1_R, 0x0000f3d0}, | |
331 | {AUD_DEEMPHDENOM2_R, 0x00000000}, | |
d0fcdd78 | 332 | {AUD_PDF_DDS_CNST_BYTE2, 0x06}, |
7b3c6d65 | 333 | {AUD_PDF_DDS_CNST_BYTE1, 0x82}, |
7b3c6d65 NS |
334 | {AUD_QAM_MODE, 0x05}, |
335 | { /* end of list */ }, | |
b1706b91 TS |
336 | }; |
337 | ||
338 | static const struct rlist nicam_i[] = { | |
7b3c6d65 NS |
339 | {AUD_PDF_DDS_CNST_BYTE0, 0x12}, |
340 | {AUD_PHACC_FREQ_8MSB, 0x3a}, | |
341 | {AUD_PHACC_FREQ_8LSB, 0x93}, | |
342 | { /* end of list */ }, | |
e52e98a7 MCC |
343 | }; |
344 | ||
b1706b91 | 345 | static const struct rlist nicam_default[] = { |
7b3c6d65 NS |
346 | {AUD_PDF_DDS_CNST_BYTE0, 0x16}, |
347 | {AUD_PHACC_FREQ_8MSB, 0x34}, | |
348 | {AUD_PHACC_FREQ_8LSB, 0x4c}, | |
349 | { /* end of list */ }, | |
b1706b91 | 350 | }; |
e52e98a7 | 351 | |
7f7e846c | 352 | set_audio_start(core,SEL_NICAM); |
b1706b91 TS |
353 | switch (core->tvaudio) { |
354 | case WW_L: | |
32d83efc | 355 | dprintk("%s SECAM-L NICAM (status: devel)\n", __func__); |
b1706b91 TS |
356 | set_audio_registers(core, nicam_l); |
357 | break; | |
358 | case WW_I: | |
32d83efc | 359 | dprintk("%s PAL-I NICAM (status: known-good)\n", __func__); |
b1706b91 TS |
360 | set_audio_registers(core, nicam_bgdki_common); |
361 | set_audio_registers(core, nicam_i); | |
362 | break; | |
d06b49ed | 363 | case WW_NONE: |
364 | case WW_BTSC: | |
365 | case WW_BG: | |
366 | case WW_DK: | |
367 | case WW_EIAJ: | |
368 | case WW_I2SPT: | |
369 | case WW_FM: | |
370 | case WW_I2SADC: | |
371 | case WW_M: | |
32d83efc | 372 | dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __func__); |
b1706b91 TS |
373 | set_audio_registers(core, nicam_bgdki_common); |
374 | set_audio_registers(core, nicam_default); | |
375 | break; | |
c2c1b415 | 376 | } |
b1706b91 TS |
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: |
32d83efc | 612 | dprintk("%s PAL-BG A1/2 (status: known-good)\n", __func__); |
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: |
32d83efc | 618 | dprintk("%s PAL-DK A1/2 (status: known-good)\n", __func__); |
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: |
32d83efc | 624 | dprintk("%s PAL-I A1 (status: known-good)\n", __func__); |
b1706b91 TS |
625 | set_audio_registers(core, a1_i); |
626 | set_audio_registers(core, a2_deemph50); | |
627 | break; | |
628 | case WW_L: | |
32d83efc | 629 | dprintk("%s AM-L (status: devel)\n", __func__); |
b1706b91 TS |
630 | set_audio_registers(core, am_l); |
631 | break; | |
d06b49ed | 632 | case WW_NONE: |
633 | case WW_BTSC: | |
634 | case WW_EIAJ: | |
635 | case WW_I2SPT: | |
636 | case WW_FM: | |
637 | case WW_I2SADC: | |
638 | case WW_M: | |
32d83efc | 639 | dprintk("%s Warning: wrong value\n", __func__); |
b1706b91 | 640 | return; |
1da177e4 | 641 | break; |
c2c1b415 | 642 | } |
e52e98a7 MCC |
643 | |
644 | mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF; | |
645 | set_audio_finish(core, mode); | |
1da177e4 LT |
646 | } |
647 | ||
648 | static void set_audio_standard_EIAJ(struct cx88_core *core) | |
649 | { | |
650 | static const struct rlist eiaj[] = { | |
651 | /* TODO: eiaj register settings are not there yet ... */ | |
652 | ||
653 | { /* end of list */ }, | |
654 | }; | |
32d83efc | 655 | dprintk("%s (status: unknown)\n", __func__); |
1da177e4 | 656 | |
e52e98a7 | 657 | set_audio_start(core, SEL_EIAJ); |
1da177e4 | 658 | set_audio_registers(core, eiaj); |
e52e98a7 | 659 | set_audio_finish(core, EN_EIAJ_AUTO_STEREO); |
1da177e4 LT |
660 | } |
661 | ||
7b3c6d65 NS |
662 | static void set_audio_standard_FM(struct cx88_core *core, |
663 | enum cx88_deemph_type deemph) | |
1da177e4 | 664 | { |
b45009b0 | 665 | static const struct rlist fm_deemph_50[] = { |
7b3c6d65 NS |
666 | {AUD_DEEMPH0_G0, 0x0C45}, |
667 | {AUD_DEEMPH0_A0, 0x6262}, | |
668 | {AUD_DEEMPH0_B0, 0x1C29}, | |
669 | {AUD_DEEMPH0_A1, 0x3FC66}, | |
670 | {AUD_DEEMPH0_B1, 0x399A}, | |
671 | ||
672 | {AUD_DEEMPH1_G0, 0x0D80}, | |
673 | {AUD_DEEMPH1_A0, 0x6262}, | |
674 | {AUD_DEEMPH1_B0, 0x1C29}, | |
675 | {AUD_DEEMPH1_A1, 0x3FC66}, | |
676 | {AUD_DEEMPH1_B1, 0x399A}, | |
677 | ||
678 | {AUD_POLYPH80SCALEFAC, 0x0003}, | |
b45009b0 MCC |
679 | { /* end of list */ }, |
680 | }; | |
681 | static const struct rlist fm_deemph_75[] = { | |
7b3c6d65 NS |
682 | {AUD_DEEMPH0_G0, 0x091B}, |
683 | {AUD_DEEMPH0_A0, 0x6B68}, | |
684 | {AUD_DEEMPH0_B0, 0x11EC}, | |
685 | {AUD_DEEMPH0_A1, 0x3FC66}, | |
686 | {AUD_DEEMPH0_B1, 0x399A}, | |
687 | ||
688 | {AUD_DEEMPH1_G0, 0x0AA0}, | |
689 | {AUD_DEEMPH1_A0, 0x6B68}, | |
690 | {AUD_DEEMPH1_B0, 0x11EC}, | |
691 | {AUD_DEEMPH1_A1, 0x3FC66}, | |
692 | {AUD_DEEMPH1_B1, 0x399A}, | |
693 | ||
694 | {AUD_POLYPH80SCALEFAC, 0x0003}, | |
b45009b0 MCC |
695 | { /* end of list */ }, |
696 | }; | |
1da177e4 | 697 | |
b45009b0 | 698 | /* It is enough to leave default values? */ |
fa40b223 TP |
699 | /* No, it's not! The deemphasis registers are reset to the 75us |
700 | * values by default. Analyzing the spectrum of the decoded audio | |
701 | * reveals that "no deemphasis" is the same as 75 us, while the 50 us | |
702 | * setting results in less deemphasis. */ | |
b45009b0 | 703 | static const struct rlist fm_no_deemph[] = { |
1da177e4 | 704 | |
7b3c6d65 | 705 | {AUD_POLYPH80SCALEFAC, 0x0003}, |
b45009b0 MCC |
706 | { /* end of list */ }, |
707 | }; | |
1da177e4 | 708 | |
32d83efc | 709 | dprintk("%s (status: unknown)\n", __func__); |
e52e98a7 | 710 | set_audio_start(core, SEL_FMRADIO); |
1da177e4 | 711 | |
7b3c6d65 | 712 | switch (deemph) { |
fa40b223 | 713 | default: |
7b3c6d65 NS |
714 | case FM_NO_DEEMPH: |
715 | set_audio_registers(core, fm_no_deemph); | |
716 | break; | |
1da177e4 | 717 | |
7b3c6d65 NS |
718 | case FM_DEEMPH_50: |
719 | set_audio_registers(core, fm_deemph_50); | |
720 | break; | |
1da177e4 | 721 | |
7b3c6d65 NS |
722 | case FM_DEEMPH_75: |
723 | set_audio_registers(core, fm_deemph_75); | |
724 | break; | |
b45009b0 | 725 | } |
1da177e4 | 726 | |
e52e98a7 | 727 | set_audio_finish(core, EN_FMRADIO_AUTO_STEREO); |
1da177e4 LT |
728 | } |
729 | ||
730 | /* ----------------------------------------------------------- */ | |
731 | ||
dff47bf2 | 732 | static int cx88_detect_nicam(struct cx88_core *core) |
b1706b91 | 733 | { |
7b3c6d65 | 734 | int i, j = 0; |
b1706b91 TS |
735 | |
736 | dprintk("start nicam autodetect.\n"); | |
737 | ||
7b3c6d65 NS |
738 | for (i = 0; i < 6; i++) { |
739 | /* if bit1=1 then nicam is detected */ | |
740 | j += ((cx_read(AUD_NICAM_STATUS2) & 0x02) >> 1); | |
b1706b91 | 741 | |
53a7338a | 742 | if (j == 1) { |
b1706b91 TS |
743 | dprintk("nicam is detected.\n"); |
744 | return 1; | |
745 | } | |
746 | ||
747 | /* wait a little bit for next reading status */ | |
7b3c6d65 | 748 | msleep(10); |
b1706b91 TS |
749 | } |
750 | ||
751 | dprintk("nicam is not detected.\n"); | |
752 | return 0; | |
753 | } | |
754 | ||
1da177e4 LT |
755 | void cx88_set_tvaudio(struct cx88_core *core) |
756 | { | |
757 | switch (core->tvaudio) { | |
758 | case WW_BTSC: | |
e52e98a7 | 759 | set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); |
1da177e4 | 760 | break; |
b1706b91 TS |
761 | case WW_BG: |
762 | case WW_DK: | |
e878cf3a | 763 | case WW_M: |
b1706b91 TS |
764 | case WW_I: |
765 | case WW_L: | |
766 | /* prepare all dsp registers */ | |
767 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
768 | ||
769 | /* set nicam mode - otherwise | |
770 | AUD_NICAM_STATUS2 contains wrong values */ | |
7f7e846c | 771 | set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO); |
7b3c6d65 | 772 | if (0 == cx88_detect_nicam(core)) { |
b1706b91 TS |
773 | /* fall back to fm / am mono */ |
774 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
e878cf3a | 775 | core->audiomode_current = V4L2_TUNER_MODE_MONO; |
b1706b91 | 776 | core->use_nicam = 0; |
7b3c6d65 | 777 | } else { |
b1706b91 | 778 | core->use_nicam = 1; |
7b3c6d65 | 779 | } |
1da177e4 LT |
780 | break; |
781 | case WW_EIAJ: | |
782 | set_audio_standard_EIAJ(core); | |
783 | break; | |
784 | case WW_FM: | |
fa40b223 | 785 | set_audio_standard_FM(core, radio_deemphasis); |
1da177e4 | 786 | break; |
430189da DB |
787 | case WW_I2SADC: |
788 | set_audio_start(core, 0x01); | |
6951803c LR |
789 | /* |
790 | * Slave/Philips/Autobaud | |
791 | * NB on Nova-S bit1 NPhilipsSony appears to be inverted: | |
792 | * 0= Sony, 1=Philips | |
793 | */ | |
794 | cx_write(AUD_I2SINPUTCNTL, core->board.i2sinputcntl); | |
430189da DB |
795 | /* Switch to "I2S ADC mode" */ |
796 | cx_write(AUD_I2SCNTL, 0x1); | |
797 | set_audio_finish(core, EN_I2SIN_ENABLE); | |
798 | break; | |
1da177e4 | 799 | case WW_NONE: |
d06b49ed | 800 | case WW_I2SPT: |
1da177e4 | 801 | printk("%s/0: unknown tv audio mode [%d]\n", |
7b3c6d65 | 802 | core->name, core->tvaudio); |
1da177e4 LT |
803 | break; |
804 | } | |
805 | return; | |
806 | } | |
807 | ||
808 | void cx88_newstation(struct cx88_core *core) | |
809 | { | |
810 | core->audiomode_manual = UNSET; | |
e878cf3a | 811 | core->last_change = jiffies; |
1da177e4 LT |
812 | } |
813 | ||
814 | void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t) | |
815 | { | |
2e4e98e7 | 816 | static const char * const m[] = { "stereo", "dual mono", "mono", "sap" }; |
817 | static const char * const p[] = { "no pilot", "pilot c1", "pilot c2", "?" }; | |
7b3c6d65 | 818 | u32 reg, mode, pilot; |
1da177e4 | 819 | |
7b3c6d65 NS |
820 | reg = cx_read(AUD_STATUS); |
821 | mode = reg & 0x03; | |
1da177e4 LT |
822 | pilot = (reg >> 2) & 0x03; |
823 | ||
824 | if (core->astat != reg) | |
825 | dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n", | |
826 | reg, m[mode], p[pilot], | |
827 | aud_ctl_names[cx_read(AUD_CTL) & 63]); | |
828 | core->astat = reg; | |
829 | ||
e878cf3a MB |
830 | t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP | |
831 | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; | |
832 | t->rxsubchans = UNSET; | |
833 | t->audmode = V4L2_TUNER_MODE_MONO; | |
e52e98a7 | 834 | |
e878cf3a MB |
835 | switch (mode) { |
836 | case 0: | |
837 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
838 | break; | |
839 | case 1: | |
840 | t->audmode = V4L2_TUNER_MODE_LANG2; | |
841 | break; | |
842 | case 2: | |
843 | t->audmode = V4L2_TUNER_MODE_MONO; | |
844 | break; | |
845 | case 3: | |
846 | t->audmode = V4L2_TUNER_MODE_SAP; | |
847 | break; | |
848 | } | |
849 | ||
850 | switch (core->tvaudio) { | |
851 | case WW_BTSC: | |
852 | case WW_BG: | |
853 | case WW_DK: | |
854 | case WW_M: | |
855 | case WW_EIAJ: | |
856 | if (!core->use_nicam) { | |
857 | t->rxsubchans = cx88_dsp_detect_stereo_sap(core); | |
858 | break; | |
859 | } | |
860 | break; | |
d06b49ed | 861 | case WW_NONE: |
862 | case WW_I: | |
863 | case WW_L: | |
864 | case WW_I2SPT: | |
865 | case WW_FM: | |
866 | case WW_I2SADC: | |
e878cf3a MB |
867 | /* nothing */ |
868 | break; | |
869 | } | |
870 | ||
871 | /* If software stereo detection is not supported... */ | |
872 | if (UNSET == t->rxsubchans) { | |
873 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
874 | /* If the hardware itself detected stereo, also return | |
875 | stereo as an available subchannel */ | |
876 | if (V4L2_TUNER_MODE_STEREO == t->audmode) | |
877 | t->rxsubchans |= V4L2_TUNER_SUB_STEREO; | |
878 | } | |
1da177e4 LT |
879 | return; |
880 | } | |
881 | ||
882 | void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual) | |
883 | { | |
7b3c6d65 | 884 | u32 ctl = UNSET; |
1da177e4 LT |
885 | u32 mask = UNSET; |
886 | ||
887 | if (manual) { | |
888 | core->audiomode_manual = mode; | |
889 | } else { | |
890 | if (UNSET != core->audiomode_manual) | |
891 | return; | |
892 | } | |
893 | core->audiomode_current = mode; | |
894 | ||
895 | switch (core->tvaudio) { | |
896 | case WW_BTSC: | |
897 | switch (mode) { | |
898 | case V4L2_TUNER_MODE_MONO: | |
e52e98a7 | 899 | set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_MONO); |
1da177e4 | 900 | break; |
e52e98a7 MCC |
901 | case V4L2_TUNER_MODE_LANG1: |
902 | set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); | |
903 | break; | |
904 | case V4L2_TUNER_MODE_LANG2: | |
905 | set_audio_standard_BTSC(core, 1, EN_BTSC_FORCE_SAP); | |
1da177e4 LT |
906 | break; |
907 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 908 | case V4L2_TUNER_MODE_LANG1_LANG2: |
e52e98a7 | 909 | set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_STEREO); |
1da177e4 LT |
910 | break; |
911 | } | |
912 | break; | |
b1706b91 TS |
913 | case WW_BG: |
914 | case WW_DK: | |
e878cf3a | 915 | case WW_M: |
b1706b91 TS |
916 | case WW_I: |
917 | case WW_L: | |
7b3c6d65 | 918 | if (1 == core->use_nicam) { |
b1706b91 TS |
919 | switch (mode) { |
920 | case V4L2_TUNER_MODE_MONO: | |
921 | case V4L2_TUNER_MODE_LANG1: | |
7b3c6d65 NS |
922 | set_audio_standard_NICAM(core, |
923 | EN_NICAM_FORCE_MONO1); | |
b1706b91 TS |
924 | break; |
925 | case V4L2_TUNER_MODE_LANG2: | |
7b3c6d65 NS |
926 | set_audio_standard_NICAM(core, |
927 | EN_NICAM_FORCE_MONO2); | |
b1706b91 TS |
928 | break; |
929 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 930 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7b3c6d65 NS |
931 | set_audio_standard_NICAM(core, |
932 | EN_NICAM_FORCE_STEREO); | |
b1706b91 TS |
933 | break; |
934 | } | |
935 | } else { | |
7b3c6d65 | 936 | if ((core->tvaudio == WW_I) || (core->tvaudio == WW_L)) { |
b1706b91 TS |
937 | /* fall back to fm / am mono */ |
938 | set_audio_standard_A2(core, EN_A2_FORCE_MONO1); | |
939 | } else { | |
940 | /* TODO: Add A2 autodection */ | |
2325a6b9 | 941 | mask = 0x3f; |
b1706b91 TS |
942 | switch (mode) { |
943 | case V4L2_TUNER_MODE_MONO: | |
944 | case V4L2_TUNER_MODE_LANG1: | |
2325a6b9 | 945 | ctl = EN_A2_FORCE_MONO1; |
b1706b91 TS |
946 | break; |
947 | case V4L2_TUNER_MODE_LANG2: | |
2325a6b9 | 948 | ctl = EN_A2_FORCE_MONO2; |
b1706b91 TS |
949 | break; |
950 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 951 | case V4L2_TUNER_MODE_LANG1_LANG2: |
2325a6b9 | 952 | ctl = EN_A2_FORCE_STEREO; |
b1706b91 TS |
953 | break; |
954 | } | |
955 | } | |
1da177e4 LT |
956 | } |
957 | break; | |
958 | case WW_FM: | |
959 | switch (mode) { | |
960 | case V4L2_TUNER_MODE_MONO: | |
7b3c6d65 | 961 | ctl = EN_FMRADIO_FORCE_MONO; |
1da177e4 LT |
962 | mask = 0x3f; |
963 | break; | |
964 | case V4L2_TUNER_MODE_STEREO: | |
7b3c6d65 | 965 | ctl = EN_FMRADIO_AUTO_STEREO; |
1da177e4 LT |
966 | mask = 0x3f; |
967 | break; | |
968 | } | |
969 | break; | |
430189da | 970 | case WW_I2SADC: |
d06b49ed | 971 | case WW_NONE: |
972 | case WW_EIAJ: | |
973 | case WW_I2SPT: | |
430189da DB |
974 | /* DO NOTHING */ |
975 | break; | |
1da177e4 LT |
976 | } |
977 | ||
978 | if (UNSET != ctl) { | |
979 | dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x " | |
980 | "[status=0x%x,ctl=0x%x,vol=0x%x]\n", | |
981 | mask, ctl, cx_read(AUD_STATUS), | |
982 | cx_read(AUD_CTL), cx_sread(SHADOW_AUD_VOL_CTL)); | |
983 | cx_andor(AUD_CTL, mask, ctl); | |
984 | } | |
985 | return; | |
986 | } | |
987 | ||
988 | int cx88_audio_thread(void *data) | |
989 | { | |
990 | struct cx88_core *core = data; | |
991 | struct v4l2_tuner t; | |
992 | u32 mode = 0; | |
993 | ||
994 | dprintk("cx88: tvaudio thread started\n"); | |
83144186 | 995 | set_freezable(); |
1da177e4 LT |
996 | for (;;) { |
997 | msleep_interruptible(1000); | |
998 | if (kthread_should_stop()) | |
999 | break; | |
a96afb3e | 1000 | try_to_freeze(); |
1da177e4 | 1001 | |
083d6f8c MB |
1002 | switch (core->tvaudio) { |
1003 | case WW_BG: | |
1004 | case WW_DK: | |
1005 | case WW_M: | |
1006 | case WW_I: | |
1007 | case WW_L: | |
1008 | if (core->use_nicam) | |
1009 | goto hw_autodetect; | |
1010 | ||
1011 | /* just monitor the audio status for now ... */ | |
1012 | memset(&t, 0, sizeof(t)); | |
1013 | cx88_get_stereo(core, &t); | |
1014 | ||
1015 | if (UNSET != core->audiomode_manual) | |
1016 | /* manually set, don't do anything. */ | |
1017 | continue; | |
1018 | ||
1019 | /* monitor signal and set stereo if available */ | |
1020 | if (t.rxsubchans & V4L2_TUNER_SUB_STEREO) | |
1021 | mode = V4L2_TUNER_MODE_STEREO; | |
1022 | else | |
1023 | mode = V4L2_TUNER_MODE_MONO; | |
1024 | if (mode == core->audiomode_current) | |
1025 | continue; | |
1026 | /* automatically switch to best available mode */ | |
1027 | cx88_set_stereo(core, mode, 0); | |
1028 | break; | |
d06b49ed | 1029 | case WW_NONE: |
1030 | case WW_BTSC: | |
1031 | case WW_EIAJ: | |
1032 | case WW_I2SPT: | |
1033 | case WW_FM: | |
1034 | case WW_I2SADC: | |
083d6f8c MB |
1035 | hw_autodetect: |
1036 | /* stereo autodetection is supported by hardware so | |
1037 | we don't need to do it manually. Do nothing. */ | |
1038 | break; | |
1039 | } | |
1da177e4 LT |
1040 | } |
1041 | ||
1042 | dprintk("cx88: tvaudio thread exiting\n"); | |
1043 | return 0; | |
1044 | } | |
1045 | ||
1046 | /* ----------------------------------------------------------- */ | |
1047 | ||
1048 | EXPORT_SYMBOL(cx88_set_tvaudio); | |
1049 | EXPORT_SYMBOL(cx88_newstation); | |
1050 | EXPORT_SYMBOL(cx88_set_stereo); | |
1051 | EXPORT_SYMBOL(cx88_get_stereo); | |
1052 | EXPORT_SYMBOL(cx88_audio_thread); | |
1053 | ||
1054 | /* | |
1055 | * Local variables: | |
1056 | * c-basic-offset: 8 | |
1057 | * End: | |
b45009b0 | 1058 | * 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 | 1059 | */ |