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-rw-r--r--sound/pci/ac97/Makefile3
-rw-r--r--sound/pci/ac97/ak4531_codec.c508
2 files changed, 0 insertions, 511 deletions
diff --git a/sound/pci/ac97/Makefile b/sound/pci/ac97/Makefile
index ae36950f2568..41fa322f0971 100644
--- a/sound/pci/ac97/Makefile
+++ b/sound/pci/ac97/Makefile
@@ -6,8 +6,5 @@
6snd-ac97-codec-y := ac97_codec.o ac97_pcm.o 6snd-ac97-codec-y := ac97_codec.o ac97_pcm.o
7snd-ac97-codec-$(CONFIG_PROC_FS) += ac97_proc.o 7snd-ac97-codec-$(CONFIG_PROC_FS) += ac97_proc.o
8 8
9snd-ak4531-codec-objs := ak4531_codec.o
10
11# Toplevel Module Dependency 9# Toplevel Module Dependency
12obj-$(CONFIG_SND_AC97_CODEC) += snd-ac97-codec.o 10obj-$(CONFIG_SND_AC97_CODEC) += snd-ac97-codec.o
13obj-$(CONFIG_SND_ENS1370) += snd-ak4531-codec.o
diff --git a/sound/pci/ac97/ak4531_codec.c b/sound/pci/ac97/ak4531_codec.c
deleted file mode 100644
index c0c1633999ea..000000000000
--- a/sound/pci/ac97/ak4531_codec.c
+++ /dev/null
@@ -1,508 +0,0 @@
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
27#include <sound/core.h>
28#include <sound/ak4531_codec.h>
29#include <sound/tlv.h>
30
31MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
32MODULE_DESCRIPTION("Universal routines for AK4531 codec");
33MODULE_LICENSE("GPL");
34
35#ifdef CONFIG_PROC_FS
36static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531);
37#else
38#define snd_ak4531_proc_init(card,ak)
39#endif
40
41/*
42 *
43 */
44
45#if 0
46
47static void snd_ak4531_dump(struct snd_ak4531 *ak4531)
48{
49 int idx;
50
51 for (idx = 0; idx < 0x19; idx++)
52 printk("ak4531 0x%x: 0x%x\n", idx, ak4531->regs[idx]);
53}
54
55#endif
56
57/*
58 *
59 */
60
61#define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \
62{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
63 .info = snd_ak4531_info_single, \
64 .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
65 .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) }
66#define AK4531_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
67{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
68 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
69 .name = xname, .index = xindex, \
70 .info = snd_ak4531_info_single, \
71 .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
72 .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22), \
73 .tlv = { .p = (xtlv) } }
74
75static int snd_ak4531_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
76{
77 int mask = (kcontrol->private_value >> 24) & 0xff;
78
79 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
80 uinfo->count = 1;
81 uinfo->value.integer.min = 0;
82 uinfo->value.integer.max = mask;
83 return 0;
84}
85
86static int snd_ak4531_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
87{
88 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
89 int reg = kcontrol->private_value & 0xff;
90 int shift = (kcontrol->private_value >> 16) & 0x07;
91 int mask = (kcontrol->private_value >> 24) & 0xff;
92 int invert = (kcontrol->private_value >> 22) & 1;
93 int val;
94
95 mutex_lock(&ak4531->reg_mutex);
96 val = (ak4531->regs[reg] >> shift) & mask;
97 mutex_unlock(&ak4531->reg_mutex);
98 if (invert) {
99 val = mask - val;
100 }
101 ucontrol->value.integer.value[0] = val;
102 return 0;
103}
104
105static int snd_ak4531_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
106{
107 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
108 int reg = kcontrol->private_value & 0xff;
109 int shift = (kcontrol->private_value >> 16) & 0x07;
110 int mask = (kcontrol->private_value >> 24) & 0xff;
111 int invert = (kcontrol->private_value >> 22) & 1;
112 int change;
113 int val;
114
115 val = ucontrol->value.integer.value[0] & mask;
116 if (invert) {
117 val = mask - val;
118 }
119 val <<= shift;
120 mutex_lock(&ak4531->reg_mutex);
121 val = (ak4531->regs[reg] & ~(mask << shift)) | val;
122 change = val != ak4531->regs[reg];
123 ak4531->write(ak4531, reg, ak4531->regs[reg] = val);
124 mutex_unlock(&ak4531->reg_mutex);
125 return change;
126}
127
128#define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \
129{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
130 .info = snd_ak4531_info_double, \
131 .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
132 .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) }
133#define AK4531_DOUBLE_TLV(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert, xtlv) \
134{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
135 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
136 .name = xname, .index = xindex, \
137 .info = snd_ak4531_info_double, \
138 .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
139 .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22), \
140 .tlv = { .p = (xtlv) } }
141
142static int snd_ak4531_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
143{
144 int mask = (kcontrol->private_value >> 24) & 0xff;
145
146 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
147 uinfo->count = 2;
148 uinfo->value.integer.min = 0;
149 uinfo->value.integer.max = mask;
150 return 0;
151}
152
153static int snd_ak4531_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
154{
155 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
156 int left_reg = kcontrol->private_value & 0xff;
157 int right_reg = (kcontrol->private_value >> 8) & 0xff;
158 int left_shift = (kcontrol->private_value >> 16) & 0x07;
159 int right_shift = (kcontrol->private_value >> 19) & 0x07;
160 int mask = (kcontrol->private_value >> 24) & 0xff;
161 int invert = (kcontrol->private_value >> 22) & 1;
162 int left, right;
163
164 mutex_lock(&ak4531->reg_mutex);
165 left = (ak4531->regs[left_reg] >> left_shift) & mask;
166 right = (ak4531->regs[right_reg] >> right_shift) & mask;
167 mutex_unlock(&ak4531->reg_mutex);
168 if (invert) {
169 left = mask - left;
170 right = mask - right;
171 }
172 ucontrol->value.integer.value[0] = left;
173 ucontrol->value.integer.value[1] = right;
174 return 0;
175}
176
177static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
178{
179 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
180 int left_reg = kcontrol->private_value & 0xff;
181 int right_reg = (kcontrol->private_value >> 8) & 0xff;
182 int left_shift = (kcontrol->private_value >> 16) & 0x07;
183 int right_shift = (kcontrol->private_value >> 19) & 0x07;
184 int mask = (kcontrol->private_value >> 24) & 0xff;
185 int invert = (kcontrol->private_value >> 22) & 1;
186 int change;
187 int left, right;
188
189 left = ucontrol->value.integer.value[0] & mask;
190 right = ucontrol->value.integer.value[1] & mask;
191 if (invert) {
192 left = mask - left;
193 right = mask - right;
194 }
195 left <<= left_shift;
196 right <<= right_shift;
197 mutex_lock(&ak4531->reg_mutex);
198 if (left_reg == right_reg) {
199 left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right;
200 change = left != ak4531->regs[left_reg];
201 ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
202 } else {
203 left = (ak4531->regs[left_reg] & ~(mask << left_shift)) | left;
204 right = (ak4531->regs[right_reg] & ~(mask << right_shift)) | right;
205 change = left != ak4531->regs[left_reg] || right != ak4531->regs[right_reg];
206 ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
207 ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right);
208 }
209 mutex_unlock(&ak4531->reg_mutex);
210 return change;
211}
212
213#define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \
214{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
215 .info = snd_ak4531_info_input_sw, \
216 .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \
217 .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) }
218
219static int snd_ak4531_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
220{
221 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
222 uinfo->count = 4;
223 uinfo->value.integer.min = 0;
224 uinfo->value.integer.max = 1;
225 return 0;
226}
227
228static int snd_ak4531_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
229{
230 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
231 int reg1 = kcontrol->private_value & 0xff;
232 int reg2 = (kcontrol->private_value >> 8) & 0xff;
233 int left_shift = (kcontrol->private_value >> 16) & 0x0f;
234 int right_shift = (kcontrol->private_value >> 24) & 0x0f;
235
236 mutex_lock(&ak4531->reg_mutex);
237 ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1;
238 ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1;
239 ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1;
240 ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1;
241 mutex_unlock(&ak4531->reg_mutex);
242 return 0;
243}
244
245static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
246{
247 struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
248 int reg1 = kcontrol->private_value & 0xff;
249 int reg2 = (kcontrol->private_value >> 8) & 0xff;
250 int left_shift = (kcontrol->private_value >> 16) & 0x0f;
251 int right_shift = (kcontrol->private_value >> 24) & 0x0f;
252 int change;
253 int val1, val2;
254
255 mutex_lock(&ak4531->reg_mutex);
256 val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift));
257 val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift));
258 val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
259 val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
260 val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
261 val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
262 change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2];
263 ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1);
264 ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2);
265 mutex_unlock(&ak4531->reg_mutex);
266 return change;
267}
268
269static const DECLARE_TLV_DB_SCALE(db_scale_master, -6200, 200, 0);
270static const DECLARE_TLV_DB_SCALE(db_scale_mono, -2800, 400, 0);
271static const DECLARE_TLV_DB_SCALE(db_scale_input, -5000, 200, 0);
272
273static struct snd_kcontrol_new snd_ak4531_controls[] = {
274
275AK4531_DOUBLE_TLV("Master Playback Switch", 0,
276 AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1,
277 db_scale_master),
278AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1),
279
280AK4531_SINGLE_TLV("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1,
281 db_scale_mono),
282AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1),
283
284AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1),
285AK4531_DOUBLE_TLV("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1,
286 db_scale_input),
287AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0),
288AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0),
289
290AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1),
291AK4531_DOUBLE_TLV("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1,
292 db_scale_input),
293AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0),
294AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5),
295
296AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1),
297AK4531_DOUBLE_TLV("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1,
298 db_scale_input),
299AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0),
300AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1),
301
302AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1),
303AK4531_DOUBLE_TLV("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1,
304 db_scale_input),
305AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0),
306AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3),
307
308AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1),
309AK4531_DOUBLE_TLV("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1,
310 db_scale_input),
311AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0),
312AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3),
313
314AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1),
315AK4531_SINGLE_TLV("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1, db_scale_input),
316AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0),
317AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0),
318
319AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1),
320AK4531_SINGLE_TLV("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1, db_scale_input),
321AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0),
322AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0),
323
324AK4531_SINGLE_TLV("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1, db_scale_input),
325AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1),
326AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0),
327AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0),
328
329AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0),
330AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0),
331AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0),
332
333AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0),
334AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
335};
336
337static int snd_ak4531_free(struct snd_ak4531 *ak4531)
338{
339 if (ak4531) {
340 if (ak4531->private_free)
341 ak4531->private_free(ak4531);
342 kfree(ak4531);
343 }
344 return 0;
345}
346
347static int snd_ak4531_dev_free(struct snd_device *device)
348{
349 struct snd_ak4531 *ak4531 = device->device_data;
350 return snd_ak4531_free(ak4531);
351}
352
353static u8 snd_ak4531_initial_map[0x19 + 1] = {
354 0x9f, /* 00: Master Volume Lch */
355 0x9f, /* 01: Master Volume Rch */
356 0x9f, /* 02: Voice Volume Lch */
357 0x9f, /* 03: Voice Volume Rch */
358 0x9f, /* 04: FM Volume Lch */
359 0x9f, /* 05: FM Volume Rch */
360 0x9f, /* 06: CD Audio Volume Lch */
361 0x9f, /* 07: CD Audio Volume Rch */
362 0x9f, /* 08: Line Volume Lch */
363 0x9f, /* 09: Line Volume Rch */
364 0x9f, /* 0a: Aux Volume Lch */
365 0x9f, /* 0b: Aux Volume Rch */
366 0x9f, /* 0c: Mono1 Volume */
367 0x9f, /* 0d: Mono2 Volume */
368 0x9f, /* 0e: Mic Volume */
369 0x87, /* 0f: Mono-out Volume */
370 0x00, /* 10: Output Mixer SW1 */
371 0x00, /* 11: Output Mixer SW2 */
372 0x00, /* 12: Lch Input Mixer SW1 */
373 0x00, /* 13: Rch Input Mixer SW1 */
374 0x00, /* 14: Lch Input Mixer SW2 */
375 0x00, /* 15: Rch Input Mixer SW2 */
376 0x00, /* 16: Reset & Power Down */
377 0x00, /* 17: Clock Select */
378 0x00, /* 18: AD Input Select */
379 0x01 /* 19: Mic Amp Setup */
380};
381
382int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
383 struct snd_ak4531 **rak4531)
384{
385 unsigned int idx;
386 int err;
387 struct snd_ak4531 *ak4531;
388 static struct snd_device_ops ops = {
389 .dev_free = snd_ak4531_dev_free,
390 };
391
392 snd_assert(rak4531 != NULL, return -EINVAL);
393 *rak4531 = NULL;
394 snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL);
395 ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL);
396 if (ak4531 == NULL)
397 return -ENOMEM;
398 *ak4531 = *_ak4531;
399 mutex_init(&ak4531->reg_mutex);
400 if ((err = snd_component_add(card, "AK4531")) < 0) {
401 snd_ak4531_free(ak4531);
402 return err;
403 }
404 strcpy(card->mixername, "Asahi Kasei AK4531");
405 ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */
406 udelay(100);
407 ak4531->write(ak4531, AK4531_CLOCK, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
408 for (idx = 0; idx <= 0x19; idx++) {
409 if (idx == AK4531_RESET || idx == AK4531_CLOCK)
410 continue;
411 ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */
412 }
413 for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) {
414 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) {
415 snd_ak4531_free(ak4531);
416 return err;
417 }
418 }
419 snd_ak4531_proc_init(card, ak4531);
420 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) {
421 snd_ak4531_free(ak4531);
422 return err;
423 }
424
425#if 0
426 snd_ak4531_dump(ak4531);
427#endif
428 *rak4531 = ak4531;
429 return 0;
430}
431
432/*
433 * power management
434 */
435#ifdef CONFIG_PM
436void snd_ak4531_suspend(struct snd_ak4531 *ak4531)
437{
438 /* mute */
439 ak4531->write(ak4531, AK4531_LMASTER, 0x9f);
440 ak4531->write(ak4531, AK4531_RMASTER, 0x9f);
441 /* powerdown */
442 ak4531->write(ak4531, AK4531_RESET, 0x01);
443}
444
445void snd_ak4531_resume(struct snd_ak4531 *ak4531)
446{
447 int idx;
448
449 /* initialize */
450 ak4531->write(ak4531, AK4531_RESET, 0x03);
451 udelay(100);
452 ak4531->write(ak4531, AK4531_CLOCK, 0x00);
453 /* restore mixer registers */
454 for (idx = 0; idx <= 0x19; idx++) {
455 if (idx == AK4531_RESET || idx == AK4531_CLOCK)
456 continue;
457 ak4531->write(ak4531, idx, ak4531->regs[idx]);
458 }
459}
460#endif
461
462#ifdef CONFIG_PROC_FS
463/*
464 * /proc interface
465 */
466
467static void snd_ak4531_proc_read(struct snd_info_entry *entry,
468 struct snd_info_buffer *buffer)
469{
470 struct snd_ak4531 *ak4531 = entry->private_data;
471
472 snd_iprintf(buffer, "Asahi Kasei AK4531\n\n");
473 snd_iprintf(buffer, "Recording source : %s\n"
474 "MIC gain : %s\n",
475 ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer",
476 ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");
477}
478
479static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531)
480{
481 struct snd_info_entry *entry;
482
483 if (! snd_card_proc_new(card, "ak4531", &entry))
484 snd_info_set_text_ops(entry, ak4531, snd_ak4531_proc_read);
485}
486#endif
487
488EXPORT_SYMBOL(snd_ak4531_mixer);
489#ifdef CONFIG_PM
490EXPORT_SYMBOL(snd_ak4531_suspend);
491EXPORT_SYMBOL(snd_ak4531_resume);
492#endif
493
494/*
495 * INIT part
496 */
497
498static int __init alsa_ak4531_init(void)
499{
500 return 0;
501}
502
503static void __exit alsa_ak4531_exit(void)
504{
505}
506
507module_init(alsa_ak4531_init)
508module_exit(alsa_ak4531_exit)
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-29 00:03:57 -0500