2 * sound/arm/omap/omap-alsa-aic23-mixer.c
4 * Alsa Driver Mixer for generic codecs for omap boards
6 * Copyright (C) 2005 Instituto Nokia de Tecnologia - INdT - Manaus Brazil
7 * Written by David Cohen, Daniel Petrini
8 * {david.cohen, daniel.petrini}@indt.org.br
10 * Based on es1688_lib.c,
11 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version.
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
21 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * You should have received a copy of the GNU General Public License along
30 * with this program; if not, write to the Free Software Foundation, Inc.,
31 * 675 Mass Ave, Cambridge, MA 02139, USA.
35 * 2005-08-02 INdT Kernel Team - Alsa mixer driver for omap osk. Creation of new
36 * file omap-alsa-mixer.c. Initial version
37 * with aic23 codec for osk5912
40 #include <linux/config.h>
41 #include <sound/driver.h>
42 #include <asm/arch/aic23.h>
44 #include <asm/arch/omap-alsa.h>
45 #include "omap-alsa-aic23.h"
46 #include <sound/initval.h>
47 #include <sound/control.h>
49 MODULE_AUTHOR("David Cohen, Daniel Petrini - INdT");
50 MODULE_LICENSE("GPL");
51 MODULE_DESCRIPTION("OMAP Alsa mixer driver for ALSA");
54 * Codec dependent region
58 #if defined(CONFIG_SENSORS_TLV320AIC23) || defined (CONFIG_SENSORS_TLV320AIC23_MODULE)
60 extern void audio_aic23_write(u8, u16);
62 #define MIXER_NAME "Mixer AIC23"
63 #define SND_OMAP_WRITE(reg, val) audio_aic23_write(reg, val)
67 /* Callback Functions */
68 #define OMAP_BOOL(xname, xindex, reg, reg_index, mask, invert) \
70 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
73 .info = snd_omap_info_bool, \
74 .get = snd_omap_get_bool, \
75 .put = snd_omap_put_bool, \
76 .private_value = reg | (reg_index << 8) | (invert << 10) | (mask << 12) \
79 #define OMAP_MUX(xname, reg, reg_index, mask) \
81 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
83 .info = snd_omap_info_mux, \
84 .get = snd_omap_get_mux, \
85 .put = snd_omap_put_mux, \
86 .private_value = reg | (reg_index << 8) | (mask << 10) \
89 #define OMAP_SINGLE(xname, xindex, reg, reg_index, reg_val, mask) \
91 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
94 .info = snd_omap_info_single, \
95 .get = snd_omap_get_single, \
96 .put = snd_omap_put_single, \
97 .private_value = reg | (reg_val << 8) | (reg_index << 16) | (mask << 18) \
100 #define OMAP_DOUBLE(xname, xindex, left_reg, right_reg, reg_index, mask) \
102 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
105 .info = snd_omap_info_double, \
106 .get = snd_omap_get_double, \
107 .put = snd_omap_put_double, \
108 .private_value = left_reg | (right_reg << 8) | (reg_index << 16) | (mask << 18) \
111 /* Local Registers */
112 enum snd_device_index {
115 AAC_INDEX, /* Analog Audio Control: reg = l_reg */
132 u16 snd_sidetone[6] = {
141 /* Begin Bool Functions */
143 static int snd_omap_info_bool(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
145 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
147 uinfo->value.integer.min = 0;
148 uinfo->value.integer.max = 1;
153 static int snd_omap_get_bool(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
155 int mic_index = (kcontrol->private_value >> 8) & 0x03;
156 u16 mask = (kcontrol->private_value >> 12) & 0xff;
157 int invert = (kcontrol->private_value >> 10) & 0x03;
160 ucontrol->value.integer.value[0] = (omap_regs[mic_index].l_reg & mask) ? 0 : 1;
162 ucontrol->value.integer.value[0] = (omap_regs[mic_index].l_reg & mask) ? 1 : 0;
167 static int snd_omap_put_bool(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
169 int mic_index = (kcontrol->private_value >> 8) & 0x03;
170 u16 mask = (kcontrol->private_value >> 12) & 0xff;
171 u16 reg = kcontrol->private_value & 0xff;
172 int invert = (kcontrol->private_value >> 10) & 0x03;
176 if (ucontrol->value.integer.value[0]) /* XOR */
178 omap_regs[mic_index].l_reg &= ~mask;
180 omap_regs[mic_index].l_reg |= mask;
183 omap_regs[mic_index].l_reg |= mask;
185 omap_regs[mic_index].l_reg &= ~mask;
187 SND_OMAP_WRITE(reg, omap_regs[mic_index].l_reg);
192 /* End Bool Functions */
194 /* Begin Mux Functions */
196 static int snd_omap_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
200 static char *texts[2] = { "Mic", "Line" };
202 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
204 uinfo->value.enumerated.items = 2;
206 if (uinfo->value.enumerated.item > 1)
207 uinfo->value.enumerated.item = 1;
209 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
214 static int snd_omap_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
216 u16 mask = (kcontrol->private_value >> 10) & 0xff;
217 int mux_index = (kcontrol->private_value >> 8) & 0x03;
219 ucontrol->value.enumerated.item[0] = (omap_regs[mux_index].l_reg & mask) ? 0 /* Mic */ : 1 /* Line */;
224 static int snd_omap_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
226 u16 reg = kcontrol->private_value & 0xff;
227 u16 mask = (kcontrol->private_value >> 10) & 0xff;
228 int mux_index = (kcontrol->private_value >> 8) & 0x03;
232 if (!ucontrol->value.integer.value[0])
233 omap_regs[mux_index].l_reg |= mask; /* AIC23: Mic */
235 omap_regs[mux_index].l_reg &= ~mask; /* AIC23: Line */
237 SND_OMAP_WRITE(reg, omap_regs[mux_index].l_reg);
242 /* End Mux Functions */
244 /* Begin Single Functions */
246 static int snd_omap_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
248 int mask = (kcontrol->private_value >> 18) & 0xff;
249 int reg_val = (kcontrol->private_value >> 8) & 0xff;
251 uinfo->type = mask ? SNDRV_CTL_ELEM_TYPE_INTEGER : SNDRV_CTL_ELEM_TYPE_BOOLEAN;
253 uinfo->value.integer.min = 0;
254 uinfo->value.integer.max = reg_val-1;
259 static int snd_omap_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
261 u16 reg_val = (kcontrol->private_value >> 8) & 0xff;
263 ucontrol->value.integer.value[0] = snd_sidetone[reg_val];
268 static int snd_omap_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
270 u16 reg_index = (kcontrol->private_value >> 16) & 0x03;
271 u16 mask = (kcontrol->private_value >> 18) & 0x1ff;
272 u16 reg = kcontrol->private_value & 0xff;
273 u16 reg_val = (kcontrol->private_value >> 8) & 0xff;
278 if ((omap_regs[reg_index].l_reg != (ucontrol->value.integer.value[0] & mask)))
282 omap_regs[reg_index].l_reg &= ~mask;
283 omap_regs[reg_index].l_reg |= snd_sidetone[ucontrol->value.integer.value[0]];
285 snd_sidetone[reg_val] = ucontrol->value.integer.value[0];
286 SND_OMAP_WRITE(reg, omap_regs[reg_index].l_reg);
294 /* End Single Functions */
296 /* Begin Double Functions */
298 static int snd_omap_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
300 /* mask == 0 : Switch
301 * mask != 0 : Volume */
302 int mask = (kcontrol->private_value >> 18) & 0xff;
304 uinfo->type = mask ? SNDRV_CTL_ELEM_TYPE_INTEGER : SNDRV_CTL_ELEM_TYPE_BOOLEAN;
305 uinfo->count = mask ? 2 : 1;
306 uinfo->value.integer.min = 0;
307 uinfo->value.integer.max = mask ? mask : 1;
312 static int snd_omap_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
314 /* mask == 0 : Switch
315 * mask != 0 : Volume */
316 int mask = (kcontrol->private_value >> 18) & 0xff;
317 int vol_index = (kcontrol->private_value >> 16) & 0x03;
321 ucontrol->value.integer.value[0] = omap_regs[vol_index].sw;
325 ucontrol->value.integer.value[0] = omap_regs[vol_index].l_reg;
326 ucontrol->value.integer.value[1] = omap_regs[vol_index].r_reg;
332 static int snd_omap_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
334 /* mask == 0 : Switch
335 * mask != 0 : Volume */
336 int vol_index = (kcontrol->private_value >> 16) & 0x03;
337 int mask = (kcontrol->private_value >> 18) & 0xff;
338 int left_reg = kcontrol->private_value & 0xff;
339 int right_reg = (kcontrol->private_value >> 8) & 0xff;
346 if (!ucontrol->value.integer.value[0])
348 SND_OMAP_WRITE(left_reg, 0x00);
349 SND_OMAP_WRITE(right_reg, 0x00);
353 SND_OMAP_WRITE(left_reg, omap_regs[vol_index].l_reg);
354 SND_OMAP_WRITE(right_reg, omap_regs[vol_index].r_reg);
357 omap_regs[vol_index].sw = ucontrol->value.integer.value[0];
362 if ((omap_regs[vol_index].l_reg != (ucontrol->value.integer.value[0] & mask)) ||
363 (omap_regs[vol_index].r_reg != (ucontrol->value.integer.value[1] & mask)))
367 omap_regs[vol_index].l_reg &= ~mask;
368 omap_regs[vol_index].r_reg &= ~mask;
369 omap_regs[vol_index].l_reg |= (ucontrol->value.integer.value[0] & mask);
370 omap_regs[vol_index].r_reg |= (ucontrol->value.integer.value[1] & mask);
371 if (omap_regs[vol_index].sw)
373 /* write to registers only if sw is actived */
374 SND_OMAP_WRITE(left_reg, omap_regs[vol_index].l_reg);
375 SND_OMAP_WRITE(right_reg, omap_regs[vol_index].r_reg);
385 /* End Double Functions */
387 static snd_kcontrol_new_t snd_omap_controls[] = {
388 OMAP_DOUBLE("PCM Playback Switch", 0, LEFT_CHANNEL_VOLUME_ADDR, RIGHT_CHANNEL_VOLUME_ADDR,
390 OMAP_DOUBLE("PCM Playback Volume", 0, LEFT_CHANNEL_VOLUME_ADDR, RIGHT_CHANNEL_VOLUME_ADDR,
391 PCM_INDEX, OUTPUT_VOLUME_MASK),
392 OMAP_BOOL("Line Playback Switch", 0, ANALOG_AUDIO_CONTROL_ADDR, AAC_INDEX, BYPASS_ON, 0),
393 OMAP_DOUBLE("Line Capture Switch", 0, LEFT_LINE_VOLUME_ADDR, RIGHT_LINE_VOLUME_ADDR,
395 OMAP_DOUBLE("Line Capture Volume", 0, LEFT_LINE_VOLUME_ADDR, RIGHT_LINE_VOLUME_ADDR,
396 LINE_INDEX, INPUT_VOLUME_MASK),
397 OMAP_BOOL("Mic Playback Switch", 0, ANALOG_AUDIO_CONTROL_ADDR, AAC_INDEX, STE_ENABLED, 0),
398 OMAP_SINGLE("Mic Playback Volume", 0, ANALOG_AUDIO_CONTROL_ADDR, AAC_INDEX, 5, SIDETONE_MASK),
399 OMAP_BOOL("Mic Capture Switch", 0, ANALOG_AUDIO_CONTROL_ADDR, AAC_INDEX, MICM_MUTED, 1),
400 OMAP_BOOL("Mic Booster Playback Switch", 0, ANALOG_AUDIO_CONTROL_ADDR, AAC_INDEX, MICB_20DB, 0),
401 OMAP_MUX("Capture Source", ANALOG_AUDIO_CONTROL_ADDR, AAC_INDEX, INSEL_MIC),
406 void snd_omap_suspend_mixer(void)
408 /* Saves current values to wake-up correctly */
409 omap_pm_regs[LINE_INDEX].l_reg = omap_regs[LINE_INDEX].l_reg;
410 omap_pm_regs[LINE_INDEX].r_reg = omap_regs[LINE_INDEX].l_reg;
411 omap_pm_regs[LINE_INDEX].sw = omap_regs[LINE_INDEX].sw;
413 omap_pm_regs[AAC_INDEX].l_reg = omap_regs[AAC_INDEX].l_reg;
415 omap_pm_regs[PCM_INDEX].l_reg = omap_regs[PCM_INDEX].l_reg;
416 omap_pm_regs[PCM_INDEX].r_reg = omap_regs[PCM_INDEX].r_reg;
417 omap_pm_regs[PCM_INDEX].sw = omap_regs[PCM_INDEX].sw;
420 void snd_omap_resume_mixer(void)
422 /* Line's saved values */
423 omap_regs[LINE_INDEX].l_reg = omap_pm_regs[LINE_INDEX].l_reg;
424 omap_regs[LINE_INDEX].r_reg = omap_pm_regs[LINE_INDEX].l_reg;
425 omap_regs[LINE_INDEX].sw = omap_pm_regs[LINE_INDEX].sw;
426 SND_OMAP_WRITE(LEFT_LINE_VOLUME_ADDR, omap_pm_regs[LINE_INDEX].l_reg);
427 SND_OMAP_WRITE(RIGHT_LINE_VOLUME_ADDR, omap_pm_regs[LINE_INDEX].l_reg);
429 /* Analog Audio Control's saved values */
430 omap_regs[AAC_INDEX].l_reg = omap_pm_regs[AAC_INDEX].l_reg;
431 SND_OMAP_WRITE(ANALOG_AUDIO_CONTROL_ADDR, omap_regs[AAC_INDEX].l_reg);
433 /* Headphone's saved values */
434 omap_regs[PCM_INDEX].l_reg = omap_pm_regs[PCM_INDEX].l_reg;
435 omap_regs[PCM_INDEX].r_reg = omap_pm_regs[PCM_INDEX].r_reg;
436 omap_regs[PCM_INDEX].sw = omap_pm_regs[PCM_INDEX].sw;
437 SND_OMAP_WRITE(LEFT_CHANNEL_VOLUME_ADDR, omap_pm_regs[PCM_INDEX].l_reg);
438 SND_OMAP_WRITE(RIGHT_CHANNEL_VOLUME_ADDR, omap_pm_regs[PCM_INDEX].r_reg);
442 void snd_omap_init_mixer(void)
446 /* Line's default values */
447 omap_regs[LINE_INDEX].l_reg = DEFAULT_INPUT_VOLUME & INPUT_VOLUME_MASK;
448 omap_regs[LINE_INDEX].r_reg = DEFAULT_INPUT_VOLUME & INPUT_VOLUME_MASK;
449 omap_regs[LINE_INDEX].sw = 0;
450 SND_OMAP_WRITE(LEFT_LINE_VOLUME_ADDR, DEFAULT_INPUT_VOLUME & INPUT_VOLUME_MASK);
451 SND_OMAP_WRITE(RIGHT_LINE_VOLUME_ADDR, DEFAULT_INPUT_VOLUME & INPUT_VOLUME_MASK);
453 /* Analog Audio Control's default values */
454 omap_regs[AAC_INDEX].l_reg = DEFAULT_ANALOG_AUDIO_CONTROL;
456 /* Headphone's default values */
458 vol_reg &= ~OUTPUT_VOLUME_MASK;
459 vol_reg |= DEFAULT_OUTPUT_VOLUME;
460 omap_regs[PCM_INDEX].l_reg = DEFAULT_OUTPUT_VOLUME;
461 omap_regs[PCM_INDEX].r_reg = DEFAULT_OUTPUT_VOLUME;
462 omap_regs[PCM_INDEX].sw = 1;
463 SND_OMAP_WRITE(LEFT_CHANNEL_VOLUME_ADDR, vol_reg);
464 SND_OMAP_WRITE(RIGHT_CHANNEL_VOLUME_ADDR, vol_reg);
467 int snd_omap_mixer(struct snd_card_omap_codec *chip)
473 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
477 strcpy(card->mixername, MIXER_NAME);
479 /* Registering alsa mixer controls */
480 for (idx = 0; idx < ARRAY_SIZE(snd_omap_controls); idx++)
481 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_omap_controls[idx], chip))) < 0)