Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Routines for control of the AK4114 via I2C and 4-wire serial interface | |
3 | * IEC958 (S/PDIF) receiver by Asahi Kasei | |
4 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> | |
5 | * | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #include <sound/driver.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/delay.h> | |
26 | #include <sound/core.h> | |
27 | #include <sound/control.h> | |
28 | #include <sound/pcm.h> | |
29 | #include <sound/ak4114.h> | |
30 | #include <sound/asoundef.h> | |
31 | ||
32 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); | |
33 | MODULE_DESCRIPTION("AK4114 IEC958 (S/PDIF) receiver by Asahi Kasei"); | |
34 | MODULE_LICENSE("GPL"); | |
35 | ||
36 | #define AK4114_ADDR 0x00 /* fixed address */ | |
37 | ||
c4028958 | 38 | static void ak4114_stats(struct work_struct *work); |
51354ae3 | 39 | static void ak4114_init_regs(struct ak4114 *chip); |
1da177e4 | 40 | |
97f02e05 | 41 | static void reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char val) |
1da177e4 LT |
42 | { |
43 | ak4114->write(ak4114->private_data, reg, val); | |
44 | if (reg <= AK4114_REG_INT1_MASK) | |
45 | ak4114->regmap[reg] = val; | |
1ab774e0 JD |
46 | else if (reg >= AK4114_REG_TXCSB0 && reg <= AK4114_REG_TXCSB4) |
47 | ak4114->txcsb[reg-AK4114_REG_TXCSB0] = val; | |
1da177e4 LT |
48 | } |
49 | ||
97f02e05 | 50 | static inline unsigned char reg_read(struct ak4114 *ak4114, unsigned char reg) |
1da177e4 LT |
51 | { |
52 | return ak4114->read(ak4114->private_data, reg); | |
53 | } | |
54 | ||
55 | #if 0 | |
97f02e05 | 56 | static void reg_dump(struct ak4114 *ak4114) |
1da177e4 LT |
57 | { |
58 | int i; | |
59 | ||
99b359ba | 60 | printk(KERN_DEBUG "AK4114 REG DUMP:\n"); |
1da177e4 | 61 | for (i = 0; i < 0x20; i++) |
99b359ba | 62 | printk(KERN_DEBUG "reg[%02x] = %02x (%02x)\n", i, reg_read(ak4114, i), i < sizeof(ak4114->regmap) ? ak4114->regmap[i] : 0); |
1da177e4 LT |
63 | } |
64 | #endif | |
65 | ||
97f02e05 | 66 | static void snd_ak4114_free(struct ak4114 *chip) |
1da177e4 LT |
67 | { |
68 | chip->init = 1; /* don't schedule new work */ | |
69 | mb(); | |
3b6baa5a | 70 | cancel_delayed_work(&chip->work); |
4014c38b | 71 | flush_scheduled_work(); |
1da177e4 LT |
72 | kfree(chip); |
73 | } | |
74 | ||
97f02e05 | 75 | static int snd_ak4114_dev_free(struct snd_device *device) |
1da177e4 | 76 | { |
97f02e05 | 77 | struct ak4114 *chip = device->device_data; |
1da177e4 LT |
78 | snd_ak4114_free(chip); |
79 | return 0; | |
80 | } | |
81 | ||
97f02e05 | 82 | int snd_ak4114_create(struct snd_card *card, |
1da177e4 | 83 | ak4114_read_t *read, ak4114_write_t *write, |
517400cb | 84 | const unsigned char pgm[7], const unsigned char txcsb[5], |
97f02e05 | 85 | void *private_data, struct ak4114 **r_ak4114) |
1da177e4 | 86 | { |
97f02e05 | 87 | struct ak4114 *chip; |
1da177e4 LT |
88 | int err = 0; |
89 | unsigned char reg; | |
97f02e05 | 90 | static struct snd_device_ops ops = { |
1da177e4 LT |
91 | .dev_free = snd_ak4114_dev_free, |
92 | }; | |
93 | ||
561b220a | 94 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4 LT |
95 | if (chip == NULL) |
96 | return -ENOMEM; | |
97 | spin_lock_init(&chip->lock); | |
98 | chip->card = card; | |
99 | chip->read = read; | |
100 | chip->write = write; | |
101 | chip->private_data = private_data; | |
3b6baa5a | 102 | INIT_DELAYED_WORK(&chip->work, ak4114_stats); |
1da177e4 LT |
103 | |
104 | for (reg = 0; reg < 7; reg++) | |
105 | chip->regmap[reg] = pgm[reg]; | |
106 | for (reg = 0; reg < 5; reg++) | |
107 | chip->txcsb[reg] = txcsb[reg]; | |
108 | ||
51354ae3 | 109 | ak4114_init_regs(chip); |
1da177e4 LT |
110 | |
111 | chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT); | |
112 | chip->rcs1 = reg_read(chip, AK4114_REG_RCS1); | |
113 | ||
114 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) | |
115 | goto __fail; | |
116 | ||
117 | if (r_ak4114) | |
118 | *r_ak4114 = chip; | |
119 | return 0; | |
120 | ||
121 | __fail: | |
122 | snd_ak4114_free(chip); | |
123 | return err < 0 ? err : -EIO; | |
124 | } | |
125 | ||
97f02e05 | 126 | void snd_ak4114_reg_write(struct ak4114 *chip, unsigned char reg, unsigned char mask, unsigned char val) |
1da177e4 LT |
127 | { |
128 | if (reg <= AK4114_REG_INT1_MASK) | |
129 | reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val); | |
130 | else if (reg >= AK4114_REG_TXCSB0 && reg <= AK4114_REG_TXCSB4) | |
1ab774e0 JD |
131 | reg_write(chip, reg, |
132 | (chip->txcsb[reg-AK4114_REG_TXCSB0] & ~mask) | val); | |
1da177e4 LT |
133 | } |
134 | ||
51354ae3 | 135 | static void ak4114_init_regs(struct ak4114 *chip) |
1da177e4 LT |
136 | { |
137 | unsigned char old = chip->regmap[AK4114_REG_PWRDN], reg; | |
138 | ||
1da177e4 LT |
139 | /* bring the chip to reset state and powerdown state */ |
140 | reg_write(chip, AK4114_REG_PWRDN, old & ~(AK4114_RST|AK4114_PWN)); | |
141 | udelay(200); | |
142 | /* release reset, but leave powerdown */ | |
143 | reg_write(chip, AK4114_REG_PWRDN, (old | AK4114_RST) & ~AK4114_PWN); | |
144 | udelay(200); | |
145 | for (reg = 1; reg < 7; reg++) | |
146 | reg_write(chip, reg, chip->regmap[reg]); | |
147 | for (reg = 0; reg < 5; reg++) | |
148 | reg_write(chip, reg + AK4114_REG_TXCSB0, chip->txcsb[reg]); | |
149 | /* release powerdown, everything is initialized now */ | |
150 | reg_write(chip, AK4114_REG_PWRDN, old | AK4114_RST | AK4114_PWN); | |
51354ae3 TI |
151 | } |
152 | ||
153 | void snd_ak4114_reinit(struct ak4114 *chip) | |
154 | { | |
155 | chip->init = 1; | |
156 | mb(); | |
157 | flush_scheduled_work(); | |
158 | ak4114_init_regs(chip); | |
1da177e4 LT |
159 | /* bring up statistics / event queing */ |
160 | chip->init = 0; | |
51354ae3 TI |
161 | if (chip->kctls[0]) |
162 | schedule_delayed_work(&chip->work, HZ / 10); | |
1da177e4 LT |
163 | } |
164 | ||
165 | static unsigned int external_rate(unsigned char rcs1) | |
166 | { | |
167 | switch (rcs1 & (AK4114_FS0|AK4114_FS1|AK4114_FS2|AK4114_FS3)) { | |
168 | case AK4114_FS_32000HZ: return 32000; | |
169 | case AK4114_FS_44100HZ: return 44100; | |
170 | case AK4114_FS_48000HZ: return 48000; | |
171 | case AK4114_FS_88200HZ: return 88200; | |
172 | case AK4114_FS_96000HZ: return 96000; | |
173 | case AK4114_FS_176400HZ: return 176400; | |
174 | case AK4114_FS_192000HZ: return 192000; | |
175 | default: return 0; | |
176 | } | |
177 | } | |
178 | ||
97f02e05 TI |
179 | static int snd_ak4114_in_error_info(struct snd_kcontrol *kcontrol, |
180 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
181 | { |
182 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
183 | uinfo->count = 1; | |
184 | uinfo->value.integer.min = 0; | |
185 | uinfo->value.integer.max = LONG_MAX; | |
186 | return 0; | |
187 | } | |
188 | ||
97f02e05 TI |
189 | static int snd_ak4114_in_error_get(struct snd_kcontrol *kcontrol, |
190 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 191 | { |
97f02e05 | 192 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
193 | long *ptr; |
194 | ||
195 | spin_lock_irq(&chip->lock); | |
196 | ptr = (long *)(((char *)chip) + kcontrol->private_value); | |
197 | ucontrol->value.integer.value[0] = *ptr; | |
198 | *ptr = 0; | |
199 | spin_unlock_irq(&chip->lock); | |
200 | return 0; | |
201 | } | |
202 | ||
a5ce8890 | 203 | #define snd_ak4114_in_bit_info snd_ctl_boolean_mono_info |
1da177e4 | 204 | |
97f02e05 TI |
205 | static int snd_ak4114_in_bit_get(struct snd_kcontrol *kcontrol, |
206 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 207 | { |
97f02e05 | 208 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
209 | unsigned char reg = kcontrol->private_value & 0xff; |
210 | unsigned char bit = (kcontrol->private_value >> 8) & 0xff; | |
211 | unsigned char inv = (kcontrol->private_value >> 31) & 1; | |
212 | ||
213 | ucontrol->value.integer.value[0] = ((reg_read(chip, reg) & (1 << bit)) ? 1 : 0) ^ inv; | |
214 | return 0; | |
215 | } | |
216 | ||
97f02e05 TI |
217 | static int snd_ak4114_rate_info(struct snd_kcontrol *kcontrol, |
218 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
219 | { |
220 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
221 | uinfo->count = 1; | |
222 | uinfo->value.integer.min = 0; | |
223 | uinfo->value.integer.max = 192000; | |
224 | return 0; | |
225 | } | |
226 | ||
97f02e05 TI |
227 | static int snd_ak4114_rate_get(struct snd_kcontrol *kcontrol, |
228 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 229 | { |
97f02e05 | 230 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
231 | |
232 | ucontrol->value.integer.value[0] = external_rate(reg_read(chip, AK4114_REG_RCS1)); | |
233 | return 0; | |
234 | } | |
235 | ||
97f02e05 | 236 | static int snd_ak4114_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
237 | { |
238 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | |
239 | uinfo->count = 1; | |
240 | return 0; | |
241 | } | |
242 | ||
97f02e05 TI |
243 | static int snd_ak4114_spdif_get(struct snd_kcontrol *kcontrol, |
244 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 245 | { |
97f02e05 | 246 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
247 | unsigned i; |
248 | ||
249 | for (i = 0; i < AK4114_REG_RXCSB_SIZE; i++) | |
250 | ucontrol->value.iec958.status[i] = reg_read(chip, AK4114_REG_RXCSB0 + i); | |
251 | return 0; | |
252 | } | |
253 | ||
97f02e05 TI |
254 | static int snd_ak4114_spdif_playback_get(struct snd_kcontrol *kcontrol, |
255 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 256 | { |
97f02e05 | 257 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
258 | unsigned i; |
259 | ||
260 | for (i = 0; i < AK4114_REG_TXCSB_SIZE; i++) | |
261 | ucontrol->value.iec958.status[i] = chip->txcsb[i]; | |
262 | return 0; | |
263 | } | |
264 | ||
97f02e05 TI |
265 | static int snd_ak4114_spdif_playback_put(struct snd_kcontrol *kcontrol, |
266 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 267 | { |
97f02e05 | 268 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
269 | unsigned i; |
270 | ||
271 | for (i = 0; i < AK4114_REG_TXCSB_SIZE; i++) | |
272 | reg_write(chip, AK4114_REG_TXCSB0 + i, ucontrol->value.iec958.status[i]); | |
273 | return 0; | |
274 | } | |
275 | ||
97f02e05 | 276 | static int snd_ak4114_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
277 | { |
278 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | |
279 | uinfo->count = 1; | |
280 | return 0; | |
281 | } | |
282 | ||
97f02e05 TI |
283 | static int snd_ak4114_spdif_mask_get(struct snd_kcontrol *kcontrol, |
284 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 LT |
285 | { |
286 | memset(ucontrol->value.iec958.status, 0xff, AK4114_REG_RXCSB_SIZE); | |
287 | return 0; | |
288 | } | |
289 | ||
97f02e05 | 290 | static int snd_ak4114_spdif_pinfo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
291 | { |
292 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
293 | uinfo->value.integer.min = 0; | |
294 | uinfo->value.integer.max = 0xffff; | |
295 | uinfo->count = 4; | |
296 | return 0; | |
297 | } | |
298 | ||
97f02e05 TI |
299 | static int snd_ak4114_spdif_pget(struct snd_kcontrol *kcontrol, |
300 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 301 | { |
97f02e05 | 302 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
303 | unsigned short tmp; |
304 | ||
305 | ucontrol->value.integer.value[0] = 0xf8f2; | |
306 | ucontrol->value.integer.value[1] = 0x4e1f; | |
307 | tmp = reg_read(chip, AK4114_REG_Pc0) | (reg_read(chip, AK4114_REG_Pc1) << 8); | |
308 | ucontrol->value.integer.value[2] = tmp; | |
309 | tmp = reg_read(chip, AK4114_REG_Pd0) | (reg_read(chip, AK4114_REG_Pd1) << 8); | |
310 | ucontrol->value.integer.value[3] = tmp; | |
311 | return 0; | |
312 | } | |
313 | ||
97f02e05 | 314 | static int snd_ak4114_spdif_qinfo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
315 | { |
316 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
317 | uinfo->count = AK4114_REG_QSUB_SIZE; | |
318 | return 0; | |
319 | } | |
320 | ||
97f02e05 TI |
321 | static int snd_ak4114_spdif_qget(struct snd_kcontrol *kcontrol, |
322 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 323 | { |
97f02e05 | 324 | struct ak4114 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
325 | unsigned i; |
326 | ||
327 | for (i = 0; i < AK4114_REG_QSUB_SIZE; i++) | |
328 | ucontrol->value.bytes.data[i] = reg_read(chip, AK4114_REG_QSUB_ADDR + i); | |
329 | return 0; | |
330 | } | |
331 | ||
332 | /* Don't forget to change AK4114_CONTROLS define!!! */ | |
97f02e05 | 333 | static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { |
1da177e4 LT |
334 | { |
335 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
336 | .name = "IEC958 Parity Errors", | |
337 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
338 | .info = snd_ak4114_in_error_info, | |
339 | .get = snd_ak4114_in_error_get, | |
97f02e05 | 340 | .private_value = offsetof(struct ak4114, parity_errors), |
1da177e4 LT |
341 | }, |
342 | { | |
343 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
344 | .name = "IEC958 V-Bit Errors", | |
345 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
346 | .info = snd_ak4114_in_error_info, | |
347 | .get = snd_ak4114_in_error_get, | |
97f02e05 | 348 | .private_value = offsetof(struct ak4114, v_bit_errors), |
1da177e4 LT |
349 | }, |
350 | { | |
351 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
352 | .name = "IEC958 C-CRC Errors", | |
353 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
354 | .info = snd_ak4114_in_error_info, | |
355 | .get = snd_ak4114_in_error_get, | |
97f02e05 | 356 | .private_value = offsetof(struct ak4114, ccrc_errors), |
1da177e4 LT |
357 | }, |
358 | { | |
359 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
360 | .name = "IEC958 Q-CRC Errors", | |
361 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
362 | .info = snd_ak4114_in_error_info, | |
363 | .get = snd_ak4114_in_error_get, | |
97f02e05 | 364 | .private_value = offsetof(struct ak4114, qcrc_errors), |
1da177e4 LT |
365 | }, |
366 | { | |
367 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
368 | .name = "IEC958 External Rate", | |
369 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
370 | .info = snd_ak4114_rate_info, | |
371 | .get = snd_ak4114_rate_get, | |
372 | }, | |
373 | { | |
374 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
375 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), | |
376 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
377 | .info = snd_ak4114_spdif_mask_info, | |
378 | .get = snd_ak4114_spdif_mask_get, | |
379 | }, | |
380 | { | |
381 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
382 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), | |
383 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
384 | .info = snd_ak4114_spdif_info, | |
385 | .get = snd_ak4114_spdif_playback_get, | |
386 | .put = snd_ak4114_spdif_playback_put, | |
387 | }, | |
388 | { | |
389 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
390 | .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK), | |
391 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
392 | .info = snd_ak4114_spdif_mask_info, | |
393 | .get = snd_ak4114_spdif_mask_get, | |
394 | }, | |
395 | { | |
396 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
397 | .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT), | |
398 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
399 | .info = snd_ak4114_spdif_info, | |
400 | .get = snd_ak4114_spdif_get, | |
401 | }, | |
402 | { | |
403 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
404 | .name = "IEC958 Preample Capture Default", | |
405 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
406 | .info = snd_ak4114_spdif_pinfo, | |
407 | .get = snd_ak4114_spdif_pget, | |
408 | }, | |
409 | { | |
410 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
411 | .name = "IEC958 Q-subcode Capture Default", | |
412 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
413 | .info = snd_ak4114_spdif_qinfo, | |
414 | .get = snd_ak4114_spdif_qget, | |
415 | }, | |
416 | { | |
417 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
418 | .name = "IEC958 Audio", | |
419 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
420 | .info = snd_ak4114_in_bit_info, | |
421 | .get = snd_ak4114_in_bit_get, | |
422 | .private_value = (1<<31) | (1<<8) | AK4114_REG_RCS0, | |
423 | }, | |
424 | { | |
425 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
426 | .name = "IEC958 Non-PCM Bitstream", | |
427 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
428 | .info = snd_ak4114_in_bit_info, | |
429 | .get = snd_ak4114_in_bit_get, | |
c4116ae7 | 430 | .private_value = (6<<8) | AK4114_REG_RCS0, |
1da177e4 LT |
431 | }, |
432 | { | |
433 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
434 | .name = "IEC958 DTS Bitstream", | |
435 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
436 | .info = snd_ak4114_in_bit_info, | |
437 | .get = snd_ak4114_in_bit_get, | |
c4116ae7 PH |
438 | .private_value = (3<<8) | AK4114_REG_RCS0, |
439 | }, | |
440 | { | |
441 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
442 | .name = "IEC958 PPL Lock Status", | |
443 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, | |
444 | .info = snd_ak4114_in_bit_info, | |
445 | .get = snd_ak4114_in_bit_get, | |
446 | .private_value = (1<<31) | (4<<8) | AK4114_REG_RCS0, | |
1da177e4 LT |
447 | } |
448 | }; | |
449 | ||
97f02e05 TI |
450 | int snd_ak4114_build(struct ak4114 *ak4114, |
451 | struct snd_pcm_substream *ply_substream, | |
452 | struct snd_pcm_substream *cap_substream) | |
1da177e4 | 453 | { |
97f02e05 | 454 | struct snd_kcontrol *kctl; |
1da177e4 LT |
455 | unsigned int idx; |
456 | int err; | |
457 | ||
458 | snd_assert(cap_substream, return -EINVAL); | |
459 | ak4114->playback_substream = ply_substream; | |
460 | ak4114->capture_substream = cap_substream; | |
461 | for (idx = 0; idx < AK4114_CONTROLS; idx++) { | |
462 | kctl = snd_ctl_new1(&snd_ak4114_iec958_controls[idx], ak4114); | |
463 | if (kctl == NULL) | |
464 | return -ENOMEM; | |
c4116ae7 | 465 | if (strstr(kctl->id.name, "Playback")) { |
1da177e4 LT |
466 | if (ply_substream == NULL) { |
467 | snd_ctl_free_one(kctl); | |
468 | ak4114->kctls[idx] = NULL; | |
469 | continue; | |
470 | } | |
471 | kctl->id.device = ply_substream->pcm->device; | |
472 | kctl->id.subdevice = ply_substream->number; | |
473 | } else { | |
474 | kctl->id.device = cap_substream->pcm->device; | |
475 | kctl->id.subdevice = cap_substream->number; | |
476 | } | |
477 | err = snd_ctl_add(ak4114->card, kctl); | |
478 | if (err < 0) | |
479 | return err; | |
480 | ak4114->kctls[idx] = kctl; | |
481 | } | |
51354ae3 TI |
482 | /* trigger workq */ |
483 | schedule_delayed_work(&ak4114->work, HZ / 10); | |
1da177e4 LT |
484 | return 0; |
485 | } | |
486 | ||
51354ae3 TI |
487 | /* notify kcontrols if any parameters are changed */ |
488 | static void ak4114_notify(struct ak4114 *ak4114, | |
489 | unsigned char rcs0, unsigned char rcs1, | |
490 | unsigned char c0, unsigned char c1) | |
491 | { | |
492 | if (!ak4114->kctls[0]) | |
493 | return; | |
494 | ||
495 | if (rcs0 & AK4114_PAR) | |
496 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
497 | &ak4114->kctls[0]->id); | |
498 | if (rcs0 & AK4114_V) | |
499 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
500 | &ak4114->kctls[1]->id); | |
501 | if (rcs1 & AK4114_CCRC) | |
502 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
503 | &ak4114->kctls[2]->id); | |
504 | if (rcs1 & AK4114_QCRC) | |
505 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
506 | &ak4114->kctls[3]->id); | |
507 | ||
508 | /* rate change */ | |
509 | if (c1 & 0xf0) | |
510 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
511 | &ak4114->kctls[4]->id); | |
512 | ||
513 | if ((c0 & AK4114_PEM) | (c0 & AK4114_CINT)) | |
514 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
515 | &ak4114->kctls[9]->id); | |
516 | if (c0 & AK4114_QINT) | |
517 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
518 | &ak4114->kctls[10]->id); | |
519 | ||
520 | if (c0 & AK4114_AUDION) | |
521 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
522 | &ak4114->kctls[11]->id); | |
523 | if (c0 & AK4114_AUTO) | |
524 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
525 | &ak4114->kctls[12]->id); | |
526 | if (c0 & AK4114_DTSCD) | |
527 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
528 | &ak4114->kctls[13]->id); | |
c4116ae7 PH |
529 | if (c0 & AK4114_UNLCK) |
530 | snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
531 | &ak4114->kctls[14]->id); | |
51354ae3 TI |
532 | } |
533 | ||
97f02e05 | 534 | int snd_ak4114_external_rate(struct ak4114 *ak4114) |
1da177e4 LT |
535 | { |
536 | unsigned char rcs1; | |
537 | ||
538 | rcs1 = reg_read(ak4114, AK4114_REG_RCS1); | |
539 | return external_rate(rcs1); | |
540 | } | |
541 | ||
97f02e05 | 542 | int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags) |
1da177e4 | 543 | { |
97f02e05 | 544 | struct snd_pcm_runtime *runtime = ak4114->capture_substream ? ak4114->capture_substream->runtime : NULL; |
1da177e4 LT |
545 | unsigned long _flags; |
546 | int res = 0; | |
547 | unsigned char rcs0, rcs1; | |
548 | unsigned char c0, c1; | |
549 | ||
550 | rcs1 = reg_read(ak4114, AK4114_REG_RCS1); | |
551 | if (flags & AK4114_CHECK_NO_STAT) | |
552 | goto __rate; | |
553 | rcs0 = reg_read(ak4114, AK4114_REG_RCS0); | |
554 | spin_lock_irqsave(&ak4114->lock, _flags); | |
555 | if (rcs0 & AK4114_PAR) | |
556 | ak4114->parity_errors++; | |
557 | if (rcs1 & AK4114_V) | |
558 | ak4114->v_bit_errors++; | |
559 | if (rcs1 & AK4114_CCRC) | |
560 | ak4114->ccrc_errors++; | |
561 | if (rcs1 & AK4114_QCRC) | |
562 | ak4114->qcrc_errors++; | |
563 | c0 = (ak4114->rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK)) ^ | |
564 | (rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK)); | |
565 | c1 = (ak4114->rcs1 & 0xf0) ^ (rcs1 & 0xf0); | |
566 | ak4114->rcs0 = rcs0 & ~(AK4114_QINT | AK4114_CINT); | |
567 | ak4114->rcs1 = rcs1; | |
568 | spin_unlock_irqrestore(&ak4114->lock, _flags); | |
569 | ||
51354ae3 | 570 | ak4114_notify(ak4114, rcs0, rcs1, c0, c1); |
1da177e4 LT |
571 | if (ak4114->change_callback && (c0 | c1) != 0) |
572 | ak4114->change_callback(ak4114, c0, c1); | |
573 | ||
574 | __rate: | |
575 | /* compare rate */ | |
576 | res = external_rate(rcs1); | |
577 | if (!(flags & AK4114_CHECK_NO_RATE) && runtime && runtime->rate != res) { | |
578 | snd_pcm_stream_lock_irqsave(ak4114->capture_substream, _flags); | |
579 | if (snd_pcm_running(ak4114->capture_substream)) { | |
99b359ba | 580 | // printk(KERN_DEBUG "rate changed (%i <- %i)\n", runtime->rate, res); |
1da177e4 | 581 | snd_pcm_stop(ak4114->capture_substream, SNDRV_PCM_STATE_DRAINING); |
1da177e4 LT |
582 | res = 1; |
583 | } | |
584 | snd_pcm_stream_unlock_irqrestore(ak4114->capture_substream, _flags); | |
585 | } | |
586 | return res; | |
587 | } | |
588 | ||
c4028958 | 589 | static void ak4114_stats(struct work_struct *work) |
1da177e4 | 590 | { |
c4028958 | 591 | struct ak4114 *chip = container_of(work, struct ak4114, work.work); |
1da177e4 | 592 | |
c4116ae7 | 593 | if (!chip->init) |
51354ae3 TI |
594 | snd_ak4114_check_rate_and_errors(chip, 0); |
595 | ||
4014c38b | 596 | schedule_delayed_work(&chip->work, HZ / 10); |
1da177e4 LT |
597 | } |
598 | ||
599 | EXPORT_SYMBOL(snd_ak4114_create); | |
600 | EXPORT_SYMBOL(snd_ak4114_reg_write); | |
601 | EXPORT_SYMBOL(snd_ak4114_reinit); | |
602 | EXPORT_SYMBOL(snd_ak4114_build); | |
603 | EXPORT_SYMBOL(snd_ak4114_external_rate); | |
604 | EXPORT_SYMBOL(snd_ak4114_check_rate_and_errors); |