~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/sound/pci/ak4531_codec.c

Version: ~ [ linux-5.2-rc1 ] ~ [ linux-5.1.2 ] ~ [ linux-5.0.16 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.43 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.119 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.176 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.179 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.139 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.67 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.39.4 ] ~ [ linux-2.6.38.8 ] ~ [ linux-2.6.37.6 ] ~ [ linux-2.6.36.4 ] ~ [ linux-2.6.35.14 ] ~ [ linux-2.6.34.15 ] ~ [ linux-2.6.33.20 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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 static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531);
 39 
 40 /*
 41  *
 42  */
 43  
 44 #if 0
 45 
 46 static void snd_ak4531_dump(struct snd_ak4531 *ak4531)
 47 {
 48         int idx;
 49         
 50         for (idx = 0; idx < 0x19; idx++)
 51                 printk(KERN_DEBUG "ak4531 0x%x: 0x%x\n",
 52                        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 
 75 static 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  
 86 static 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 
105 static 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 
142 static 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  
153 static 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 
177 static 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 
219 static 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  
228 static 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 
245 static 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 
269 static const DECLARE_TLV_DB_SCALE(db_scale_master, -6200, 200, 0);
270 static const DECLARE_TLV_DB_SCALE(db_scale_mono, -2800, 400, 0);
271 static const DECLARE_TLV_DB_SCALE(db_scale_input, -5000, 200, 0);
272 
273 static struct snd_kcontrol_new snd_ak4531_controls[] = {
274 
275 AK4531_DOUBLE_TLV("Master Playback Switch", 0,
276                   AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1,
277                   db_scale_master),
278 AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1),
279 
280 AK4531_SINGLE_TLV("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1,
281                   db_scale_mono),
282 AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1),
283 
284 AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1),
285 AK4531_DOUBLE_TLV("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1,
286                   db_scale_input),
287 AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0),
288 AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0),
289 
290 AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1),
291 AK4531_DOUBLE_TLV("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1,
292                   db_scale_input),
293 AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0),
294 AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5),
295 
296 AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1),
297 AK4531_DOUBLE_TLV("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1,
298                   db_scale_input),
299 AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0),
300 AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1),
301 
302 AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1),
303 AK4531_DOUBLE_TLV("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1,
304                   db_scale_input),
305 AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0),
306 AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3),
307 
308 AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1),
309 AK4531_DOUBLE_TLV("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1,
310                   db_scale_input),
311 AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0),
312 AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3),
313 
314 AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1),
315 AK4531_SINGLE_TLV("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1, db_scale_input),
316 AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0),
317 AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0),
318 
319 AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1),
320 AK4531_SINGLE_TLV("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1, db_scale_input),
321 AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0),
322 AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0),
323 
324 AK4531_SINGLE_TLV("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1, db_scale_input),
325 AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1),
326 AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0),
327 AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0),
328 
329 AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0),
330 AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0),
331 AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0),
332 
333 AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0),
334 AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
335 };
336 
337 static 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 
347 static 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 
353 static 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 
382 int snd_ak4531_mixer(struct snd_card *card,
383                      struct snd_ak4531 *_ak4531,
384                      struct snd_ak4531 **rak4531)
385 {
386         unsigned int idx;
387         int err;
388         struct snd_ak4531 *ak4531;
389         static struct snd_device_ops ops = {
390                 .dev_free =     snd_ak4531_dev_free,
391         };
392 
393         if (snd_BUG_ON(!card || !_ak4531))
394                 return -EINVAL;
395         if (rak4531)
396                 *rak4531 = NULL;
397         ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL);
398         if (ak4531 == NULL)
399                 return -ENOMEM;
400         *ak4531 = *_ak4531;
401         mutex_init(&ak4531->reg_mutex);
402         if ((err = snd_component_add(card, "AK4531")) < 0) {
403                 snd_ak4531_free(ak4531);
404                 return err;
405         }
406         strcpy(card->mixername, "Asahi Kasei AK4531");
407         ak4531->write(ak4531, AK4531_RESET, 0x03);      /* no RST, PD */
408         udelay(100);
409         ak4531->write(ak4531, AK4531_CLOCK, 0x00);      /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
410         for (idx = 0; idx <= 0x19; idx++) {
411                 if (idx == AK4531_RESET || idx == AK4531_CLOCK)
412                         continue;
413                 ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]);    /* recording source is mixer */
414         }
415         for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) {
416                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) {
417                         snd_ak4531_free(ak4531);
418                         return err;
419                 }
420         }
421         snd_ak4531_proc_init(card, ak4531);
422         if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) {
423                 snd_ak4531_free(ak4531);
424                 return err;
425         }
426 
427 #if 0
428         snd_ak4531_dump(ak4531);
429 #endif
430         if (rak4531)
431                 *rak4531 = ak4531;
432         return 0;
433 }
434 
435 /*
436  * power management
437  */
438 #ifdef CONFIG_PM
439 void snd_ak4531_suspend(struct snd_ak4531 *ak4531)
440 {
441         /* mute */
442         ak4531->write(ak4531, AK4531_LMASTER, 0x9f);
443         ak4531->write(ak4531, AK4531_RMASTER, 0x9f);
444         /* powerdown */
445         ak4531->write(ak4531, AK4531_RESET, 0x01);
446 }
447 
448 void snd_ak4531_resume(struct snd_ak4531 *ak4531)
449 {
450         int idx;
451 
452         /* initialize */
453         ak4531->write(ak4531, AK4531_RESET, 0x03);
454         udelay(100);
455         ak4531->write(ak4531, AK4531_CLOCK, 0x00);
456         /* restore mixer registers */
457         for (idx = 0; idx <= 0x19; idx++) {
458                 if (idx == AK4531_RESET || idx == AK4531_CLOCK)
459                         continue;
460                 ak4531->write(ak4531, idx, ak4531->regs[idx]);
461         }
462 }
463 #endif
464 
465 /*
466  * /proc interface
467  */
468 
469 static void snd_ak4531_proc_read(struct snd_info_entry *entry, 
470                                  struct snd_info_buffer *buffer)
471 {
472         struct snd_ak4531 *ak4531 = entry->private_data;
473 
474         snd_iprintf(buffer, "Asahi Kasei AK4531\n\n");
475         snd_iprintf(buffer, "Recording source   : %s\n"
476                     "MIC gain           : %s\n",
477                     ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer",
478                     ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");
479 }
480 
481 static void
482 snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531)
483 {
484         snd_card_ro_proc_new(card, "ak4531", ak4531, snd_ak4531_proc_read);
485 }
486 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp