Root/
1 | /* |
2 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
3 | * Universal routines for AK4531 codec |
4 | * |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | * |
20 | */ |
21 | |
22 | #include <linux/delay.h> |
23 | #include <linux/init.h> |
24 | #include <linux/slab.h> |
25 | #include <linux/mutex.h> |
26 | #include <linux/module.h> |
27 | |
28 | #include <sound/core.h> |
29 | #include <sound/ak4531_codec.h> |
30 | #include <sound/tlv.h> |
31 | |
32 | /* |
33 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
34 | MODULE_DESCRIPTION("Universal routines for AK4531 codec"); |
35 | MODULE_LICENSE("GPL"); |
36 | */ |
37 | |
38 | #ifdef CONFIG_PROC_FS |
39 | static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531); |
40 | #else |
41 | #define snd_ak4531_proc_init(card,ak) |
42 | #endif |
43 | |
44 | /* |
45 | * |
46 | */ |
47 | |
48 | #if 0 |
49 | |
50 | static void snd_ak4531_dump(struct snd_ak4531 *ak4531) |
51 | { |
52 | int idx; |
53 | |
54 | for (idx = 0; idx < 0x19; idx++) |
55 | printk(KERN_DEBUG "ak4531 0x%x: 0x%x\n", |
56 | idx, ak4531->regs[idx]); |
57 | } |
58 | |
59 | #endif |
60 | |
61 | /* |
62 | * |
63 | */ |
64 | |
65 | #define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \ |
66 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
67 | .info = snd_ak4531_info_single, \ |
68 | .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \ |
69 | .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) } |
70 | #define AK4531_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ |
71 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ |
72 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ |
73 | .name = xname, .index = xindex, \ |
74 | .info = snd_ak4531_info_single, \ |
75 | .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \ |
76 | .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22), \ |
77 | .tlv = { .p = (xtlv) } } |
78 | |
79 | static int snd_ak4531_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
80 | { |
81 | int mask = (kcontrol->private_value >> 24) & 0xff; |
82 | |
83 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
84 | uinfo->count = 1; |
85 | uinfo->value.integer.min = 0; |
86 | uinfo->value.integer.max = mask; |
87 | return 0; |
88 | } |
89 | |
90 | static int snd_ak4531_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
91 | { |
92 | struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
93 | int reg = kcontrol->private_value & 0xff; |
94 | int shift = (kcontrol->private_value >> 16) & 0x07; |
95 | int mask = (kcontrol->private_value >> 24) & 0xff; |
96 | int invert = (kcontrol->private_value >> 22) & 1; |
97 | int val; |
98 | |
99 | mutex_lock(&ak4531->reg_mutex); |
100 | val = (ak4531->regs[reg] >> shift) & mask; |
101 | mutex_unlock(&ak4531->reg_mutex); |
102 | if (invert) { |
103 | val = mask - val; |
104 | } |
105 | ucontrol->value.integer.value[0] = val; |
106 | return 0; |
107 | } |
108 | |
109 | static int snd_ak4531_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
110 | { |
111 | struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
112 | int reg = kcontrol->private_value & 0xff; |
113 | int shift = (kcontrol->private_value >> 16) & 0x07; |
114 | int mask = (kcontrol->private_value >> 24) & 0xff; |
115 | int invert = (kcontrol->private_value >> 22) & 1; |
116 | int change; |
117 | int val; |
118 | |
119 | val = ucontrol->value.integer.value[0] & mask; |
120 | if (invert) { |
121 | val = mask - val; |
122 | } |
123 | val <<= shift; |
124 | mutex_lock(&ak4531->reg_mutex); |
125 | val = (ak4531->regs[reg] & ~(mask << shift)) | val; |
126 | change = val != ak4531->regs[reg]; |
127 | ak4531->write(ak4531, reg, ak4531->regs[reg] = val); |
128 | mutex_unlock(&ak4531->reg_mutex); |
129 | return change; |
130 | } |
131 | |
132 | #define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \ |
133 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
134 | .info = snd_ak4531_info_double, \ |
135 | .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \ |
136 | .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) } |
137 | #define AK4531_DOUBLE_TLV(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert, xtlv) \ |
138 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ |
139 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ |
140 | .name = xname, .index = xindex, \ |
141 | .info = snd_ak4531_info_double, \ |
142 | .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \ |
143 | .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22), \ |
144 | .tlv = { .p = (xtlv) } } |
145 | |
146 | static int snd_ak4531_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
147 | { |
148 | int mask = (kcontrol->private_value >> 24) & 0xff; |
149 | |
150 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
151 | uinfo->count = 2; |
152 | uinfo->value.integer.min = 0; |
153 | uinfo->value.integer.max = mask; |
154 | return 0; |
155 | } |
156 | |
157 | static int snd_ak4531_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
158 | { |
159 | struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
160 | int left_reg = kcontrol->private_value & 0xff; |
161 | int right_reg = (kcontrol->private_value >> 8) & 0xff; |
162 | int left_shift = (kcontrol->private_value >> 16) & 0x07; |
163 | int right_shift = (kcontrol->private_value >> 19) & 0x07; |
164 | int mask = (kcontrol->private_value >> 24) & 0xff; |
165 | int invert = (kcontrol->private_value >> 22) & 1; |
166 | int left, right; |
167 | |
168 | mutex_lock(&ak4531->reg_mutex); |
169 | left = (ak4531->regs[left_reg] >> left_shift) & mask; |
170 | right = (ak4531->regs[right_reg] >> right_shift) & mask; |
171 | mutex_unlock(&ak4531->reg_mutex); |
172 | if (invert) { |
173 | left = mask - left; |
174 | right = mask - right; |
175 | } |
176 | ucontrol->value.integer.value[0] = left; |
177 | ucontrol->value.integer.value[1] = right; |
178 | return 0; |
179 | } |
180 | |
181 | static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
182 | { |
183 | struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
184 | int left_reg = kcontrol->private_value & 0xff; |
185 | int right_reg = (kcontrol->private_value >> 8) & 0xff; |
186 | int left_shift = (kcontrol->private_value >> 16) & 0x07; |
187 | int right_shift = (kcontrol->private_value >> 19) & 0x07; |
188 | int mask = (kcontrol->private_value >> 24) & 0xff; |
189 | int invert = (kcontrol->private_value >> 22) & 1; |
190 | int change; |
191 | int left, right; |
192 | |
193 | left = ucontrol->value.integer.value[0] & mask; |
194 | right = ucontrol->value.integer.value[1] & mask; |
195 | if (invert) { |
196 | left = mask - left; |
197 | right = mask - right; |
198 | } |
199 | left <<= left_shift; |
200 | right <<= right_shift; |
201 | mutex_lock(&ak4531->reg_mutex); |
202 | if (left_reg == right_reg) { |
203 | left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right; |
204 | change = left != ak4531->regs[left_reg]; |
205 | ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left); |
206 | } else { |
207 | left = (ak4531->regs[left_reg] & ~(mask << left_shift)) | left; |
208 | right = (ak4531->regs[right_reg] & ~(mask << right_shift)) | right; |
209 | change = left != ak4531->regs[left_reg] || right != ak4531->regs[right_reg]; |
210 | ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left); |
211 | ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right); |
212 | } |
213 | mutex_unlock(&ak4531->reg_mutex); |
214 | return change; |
215 | } |
216 | |
217 | #define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \ |
218 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
219 | .info = snd_ak4531_info_input_sw, \ |
220 | .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \ |
221 | .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) } |
222 | |
223 | static int snd_ak4531_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
224 | { |
225 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
226 | uinfo->count = 4; |
227 | uinfo->value.integer.min = 0; |
228 | uinfo->value.integer.max = 1; |
229 | return 0; |
230 | } |
231 | |
232 | static int snd_ak4531_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
233 | { |
234 | struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
235 | int reg1 = kcontrol->private_value & 0xff; |
236 | int reg2 = (kcontrol->private_value >> 8) & 0xff; |
237 | int left_shift = (kcontrol->private_value >> 16) & 0x0f; |
238 | int right_shift = (kcontrol->private_value >> 24) & 0x0f; |
239 | |
240 | mutex_lock(&ak4531->reg_mutex); |
241 | ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1; |
242 | ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1; |
243 | ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1; |
244 | ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1; |
245 | mutex_unlock(&ak4531->reg_mutex); |
246 | return 0; |
247 | } |
248 | |
249 | static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
250 | { |
251 | struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
252 | int reg1 = kcontrol->private_value & 0xff; |
253 | int reg2 = (kcontrol->private_value >> 8) & 0xff; |
254 | int left_shift = (kcontrol->private_value >> 16) & 0x0f; |
255 | int right_shift = (kcontrol->private_value >> 24) & 0x0f; |
256 | int change; |
257 | int val1, val2; |
258 | |
259 | mutex_lock(&ak4531->reg_mutex); |
260 | val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift)); |
261 | val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift)); |
262 | val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift; |
263 | val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift; |
264 | val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift; |
265 | val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift; |
266 | change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2]; |
267 | ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1); |
268 | ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2); |
269 | mutex_unlock(&ak4531->reg_mutex); |
270 | return change; |
271 | } |
272 | |
273 | static const DECLARE_TLV_DB_SCALE(db_scale_master, -6200, 200, 0); |
274 | static const DECLARE_TLV_DB_SCALE(db_scale_mono, -2800, 400, 0); |
275 | static const DECLARE_TLV_DB_SCALE(db_scale_input, -5000, 200, 0); |
276 | |
277 | static struct snd_kcontrol_new snd_ak4531_controls[] = { |
278 | |
279 | AK4531_DOUBLE_TLV("Master Playback Switch", 0, |
280 | AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1, |
281 | db_scale_master), |
282 | AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1), |
283 | |
284 | AK4531_SINGLE_TLV("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1, |
285 | db_scale_mono), |
286 | AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1), |
287 | |
288 | AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1), |
289 | AK4531_DOUBLE_TLV("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1, |
290 | db_scale_input), |
291 | AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0), |
292 | AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0), |
293 | |
294 | AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1), |
295 | AK4531_DOUBLE_TLV("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1, |
296 | db_scale_input), |
297 | AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0), |
298 | AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5), |
299 | |
300 | AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1), |
301 | AK4531_DOUBLE_TLV("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1, |
302 | db_scale_input), |
303 | AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0), |
304 | AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1), |
305 | |
306 | AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1), |
307 | AK4531_DOUBLE_TLV("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1, |
308 | db_scale_input), |
309 | AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0), |
310 | AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3), |
311 | |
312 | AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1), |
313 | AK4531_DOUBLE_TLV("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1, |
314 | db_scale_input), |
315 | AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0), |
316 | AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3), |
317 | |
318 | AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1), |
319 | AK4531_SINGLE_TLV("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1, db_scale_input), |
320 | AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0), |
321 | AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0), |
322 | |
323 | AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1), |
324 | AK4531_SINGLE_TLV("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1, db_scale_input), |
325 | AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0), |
326 | AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0), |
327 | |
328 | AK4531_SINGLE_TLV("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1, db_scale_input), |
329 | AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1), |
330 | AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0), |
331 | AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0), |
332 | |
333 | AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0), |
334 | AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0), |
335 | AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0), |
336 | |
337 | AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0), |
338 | AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0) |
339 | }; |
340 | |
341 | static int snd_ak4531_free(struct snd_ak4531 *ak4531) |
342 | { |
343 | if (ak4531) { |
344 | if (ak4531->private_free) |
345 | ak4531->private_free(ak4531); |
346 | kfree(ak4531); |
347 | } |
348 | return 0; |
349 | } |
350 | |
351 | static int snd_ak4531_dev_free(struct snd_device *device) |
352 | { |
353 | struct snd_ak4531 *ak4531 = device->device_data; |
354 | return snd_ak4531_free(ak4531); |
355 | } |
356 | |
357 | static u8 snd_ak4531_initial_map[0x19 + 1] = { |
358 | 0x9f, /* 00: Master Volume Lch */ |
359 | 0x9f, /* 01: Master Volume Rch */ |
360 | 0x9f, /* 02: Voice Volume Lch */ |
361 | 0x9f, /* 03: Voice Volume Rch */ |
362 | 0x9f, /* 04: FM Volume Lch */ |
363 | 0x9f, /* 05: FM Volume Rch */ |
364 | 0x9f, /* 06: CD Audio Volume Lch */ |
365 | 0x9f, /* 07: CD Audio Volume Rch */ |
366 | 0x9f, /* 08: Line Volume Lch */ |
367 | 0x9f, /* 09: Line Volume Rch */ |
368 | 0x9f, /* 0a: Aux Volume Lch */ |
369 | 0x9f, /* 0b: Aux Volume Rch */ |
370 | 0x9f, /* 0c: Mono1 Volume */ |
371 | 0x9f, /* 0d: Mono2 Volume */ |
372 | 0x9f, /* 0e: Mic Volume */ |
373 | 0x87, /* 0f: Mono-out Volume */ |
374 | 0x00, /* 10: Output Mixer SW1 */ |
375 | 0x00, /* 11: Output Mixer SW2 */ |
376 | 0x00, /* 12: Lch Input Mixer SW1 */ |
377 | 0x00, /* 13: Rch Input Mixer SW1 */ |
378 | 0x00, /* 14: Lch Input Mixer SW2 */ |
379 | 0x00, /* 15: Rch Input Mixer SW2 */ |
380 | 0x00, /* 16: Reset & Power Down */ |
381 | 0x00, /* 17: Clock Select */ |
382 | 0x00, /* 18: AD Input Select */ |
383 | 0x01 /* 19: Mic Amp Setup */ |
384 | }; |
385 | |
386 | int snd_ak4531_mixer(struct snd_card *card, |
387 | struct snd_ak4531 *_ak4531, |
388 | struct snd_ak4531 **rak4531) |
389 | { |
390 | unsigned int idx; |
391 | int err; |
392 | struct snd_ak4531 *ak4531; |
393 | static struct snd_device_ops ops = { |
394 | .dev_free = snd_ak4531_dev_free, |
395 | }; |
396 | |
397 | if (snd_BUG_ON(!card || !_ak4531)) |
398 | return -EINVAL; |
399 | if (rak4531) |
400 | *rak4531 = NULL; |
401 | ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL); |
402 | if (ak4531 == NULL) |
403 | return -ENOMEM; |
404 | *ak4531 = *_ak4531; |
405 | mutex_init(&ak4531->reg_mutex); |
406 | if ((err = snd_component_add(card, "AK4531")) < 0) { |
407 | snd_ak4531_free(ak4531); |
408 | return err; |
409 | } |
410 | strcpy(card->mixername, "Asahi Kasei AK4531"); |
411 | ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */ |
412 | udelay(100); |
413 | ak4531->write(ak4531, AK4531_CLOCK, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */ |
414 | for (idx = 0; idx <= 0x19; idx++) { |
415 | if (idx == AK4531_RESET || idx == AK4531_CLOCK) |
416 | continue; |
417 | ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */ |
418 | } |
419 | for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) { |
420 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) { |
421 | snd_ak4531_free(ak4531); |
422 | return err; |
423 | } |
424 | } |
425 | snd_ak4531_proc_init(card, ak4531); |
426 | if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) { |
427 | snd_ak4531_free(ak4531); |
428 | return err; |
429 | } |
430 | |
431 | #if 0 |
432 | snd_ak4531_dump(ak4531); |
433 | #endif |
434 | if (rak4531) |
435 | *rak4531 = ak4531; |
436 | return 0; |
437 | } |
438 | |
439 | /* |
440 | * power management |
441 | */ |
442 | #ifdef CONFIG_PM |
443 | void snd_ak4531_suspend(struct snd_ak4531 *ak4531) |
444 | { |
445 | /* mute */ |
446 | ak4531->write(ak4531, AK4531_LMASTER, 0x9f); |
447 | ak4531->write(ak4531, AK4531_RMASTER, 0x9f); |
448 | /* powerdown */ |
449 | ak4531->write(ak4531, AK4531_RESET, 0x01); |
450 | } |
451 | |
452 | void snd_ak4531_resume(struct snd_ak4531 *ak4531) |
453 | { |
454 | int idx; |
455 | |
456 | /* initialize */ |
457 | ak4531->write(ak4531, AK4531_RESET, 0x03); |
458 | udelay(100); |
459 | ak4531->write(ak4531, AK4531_CLOCK, 0x00); |
460 | /* restore mixer registers */ |
461 | for (idx = 0; idx <= 0x19; idx++) { |
462 | if (idx == AK4531_RESET || idx == AK4531_CLOCK) |
463 | continue; |
464 | ak4531->write(ak4531, idx, ak4531->regs[idx]); |
465 | } |
466 | } |
467 | #endif |
468 | |
469 | #ifdef CONFIG_PROC_FS |
470 | /* |
471 | * /proc interface |
472 | */ |
473 | |
474 | static void snd_ak4531_proc_read(struct snd_info_entry *entry, |
475 | struct snd_info_buffer *buffer) |
476 | { |
477 | struct snd_ak4531 *ak4531 = entry->private_data; |
478 | |
479 | snd_iprintf(buffer, "Asahi Kasei AK4531\n\n"); |
480 | snd_iprintf(buffer, "Recording source : %s\n" |
481 | "MIC gain : %s\n", |
482 | ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer", |
483 | ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB"); |
484 | } |
485 | |
486 | static void |
487 | snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531) |
488 | { |
489 | struct snd_info_entry *entry; |
490 | |
491 | if (! snd_card_proc_new(card, "ak4531", &entry)) |
492 | snd_info_set_text_ops(entry, ak4531, snd_ak4531_proc_read); |
493 | } |
494 | #endif |
495 |
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v2.6.34-rc5
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