![Linus Torvalds](/assets/img/avatar_default.png)
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
1176 lines
30 KiB
C
1176 lines
30 KiB
C
/*
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* PMac Tumbler/Snapper lowlevel functions
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*
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* Copyright (c) by Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Rene Rebe <rene.rebe@gmx.net>:
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* * update from shadow registers on wakeup and headphone plug
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* * automatically toggle DRC on headphone plug
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*
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*/
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#include <sound/driver.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/i2c-dev.h>
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#include <linux/kmod.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <sound/core.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
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#include <asm/pmac_feature.h>
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#endif
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#include "pmac.h"
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#include "tumbler_volume.h"
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/* i2c address for tumbler */
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#define TAS_I2C_ADDR 0x34
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/* registers */
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#define TAS_REG_MCS 0x01 /* main control */
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#define TAS_REG_DRC 0x02
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#define TAS_REG_VOL 0x04
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#define TAS_REG_TREBLE 0x05
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#define TAS_REG_BASS 0x06
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#define TAS_REG_INPUT1 0x07
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#define TAS_REG_INPUT2 0x08
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/* tas3001c */
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#define TAS_REG_PCM TAS_REG_INPUT1
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/* tas3004 */
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#define TAS_REG_LMIX TAS_REG_INPUT1
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#define TAS_REG_RMIX TAS_REG_INPUT2
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#define TAS_REG_MCS2 0x43 /* main control 2 */
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#define TAS_REG_ACS 0x40 /* analog control */
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/* mono volumes for tas3001c/tas3004 */
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enum {
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VOL_IDX_PCM_MONO, /* tas3001c only */
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VOL_IDX_BASS, VOL_IDX_TREBLE,
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VOL_IDX_LAST_MONO
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};
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/* stereo volumes for tas3004 */
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enum {
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VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
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VOL_IDX_LAST_MIX
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};
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typedef struct pmac_gpio {
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#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
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unsigned int addr;
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#else
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void __iomem *addr;
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#endif
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int active_state;
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} pmac_gpio_t;
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typedef struct pmac_tumbler_t {
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pmac_keywest_t i2c;
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pmac_gpio_t audio_reset;
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pmac_gpio_t amp_mute;
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pmac_gpio_t hp_mute;
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pmac_gpio_t hp_detect;
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int headphone_irq;
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unsigned int master_vol[2];
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unsigned int master_switch[2];
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unsigned int mono_vol[VOL_IDX_LAST_MONO];
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unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
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int drc_range;
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int drc_enable;
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int capture_source;
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} pmac_tumbler_t;
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/*
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*/
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static int send_init_client(pmac_keywest_t *i2c, unsigned int *regs)
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{
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while (*regs > 0) {
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int err, count = 10;
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do {
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err = i2c_smbus_write_byte_data(i2c->client,
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regs[0], regs[1]);
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if (err >= 0)
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break;
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mdelay(10);
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} while (count--);
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if (err < 0)
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return -ENXIO;
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regs += 2;
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}
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return 0;
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}
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static int tumbler_init_client(pmac_keywest_t *i2c)
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{
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static unsigned int regs[] = {
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/* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
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TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
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0, /* terminator */
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};
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return send_init_client(i2c, regs);
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}
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static int snapper_init_client(pmac_keywest_t *i2c)
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{
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static unsigned int regs[] = {
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/* normal operation, SCLK=64fps, i2s output, 16bit width */
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TAS_REG_MCS, (1<<6)|(2<<4)|0,
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/* normal operation, all-pass mode */
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TAS_REG_MCS2, (1<<1),
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/* normal output, no deemphasis, A input, power-up, line-in */
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TAS_REG_ACS, 0,
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0, /* terminator */
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};
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return send_init_client(i2c, regs);
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}
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/*
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* gpio access
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*/
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#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
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#define do_gpio_write(gp, val) \
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pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
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#define do_gpio_read(gp) \
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pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
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#define tumbler_gpio_free(gp) /* NOP */
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#else
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#define do_gpio_write(gp, val) writeb(val, (gp)->addr)
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#define do_gpio_read(gp) readb((gp)->addr)
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static inline void tumbler_gpio_free(pmac_gpio_t *gp)
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{
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if (gp->addr) {
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iounmap(gp->addr);
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gp->addr = NULL;
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}
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}
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#endif /* CONFIG_PPC_HAS_FEATURE_CALLS */
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static void write_audio_gpio(pmac_gpio_t *gp, int active)
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{
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if (! gp->addr)
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return;
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active = active ? gp->active_state : !gp->active_state;
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do_gpio_write(gp, active ? 0x05 : 0x04);
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}
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static int read_audio_gpio(pmac_gpio_t *gp)
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{
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int ret;
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if (! gp->addr)
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return 0;
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ret = ((do_gpio_read(gp) & 0x02) !=0);
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return ret == gp->active_state;
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}
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/*
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* update master volume
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*/
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static int tumbler_set_master_volume(pmac_tumbler_t *mix)
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{
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unsigned char block[6];
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unsigned int left_vol, right_vol;
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if (! mix->i2c.client)
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return -ENODEV;
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if (! mix->master_switch[0])
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left_vol = 0;
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else {
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left_vol = mix->master_vol[0];
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if (left_vol >= ARRAY_SIZE(master_volume_table))
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left_vol = ARRAY_SIZE(master_volume_table) - 1;
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left_vol = master_volume_table[left_vol];
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}
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if (! mix->master_switch[1])
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right_vol = 0;
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else {
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right_vol = mix->master_vol[1];
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if (right_vol >= ARRAY_SIZE(master_volume_table))
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right_vol = ARRAY_SIZE(master_volume_table) - 1;
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right_vol = master_volume_table[right_vol];
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}
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block[0] = (left_vol >> 16) & 0xff;
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block[1] = (left_vol >> 8) & 0xff;
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block[2] = (left_vol >> 0) & 0xff;
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block[3] = (right_vol >> 16) & 0xff;
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block[4] = (right_vol >> 8) & 0xff;
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block[5] = (right_vol >> 0) & 0xff;
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if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_VOL,
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6, block) < 0) {
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snd_printk("failed to set volume \n");
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return -EINVAL;
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}
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return 0;
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}
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/* output volume */
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static int tumbler_info_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
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return 0;
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}
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static int tumbler_get_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix = chip->mixer_data;
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snd_assert(mix, return -ENODEV);
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ucontrol->value.integer.value[0] = mix->master_vol[0];
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ucontrol->value.integer.value[1] = mix->master_vol[1];
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return 0;
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}
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static int tumbler_put_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix = chip->mixer_data;
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int change;
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snd_assert(mix, return -ENODEV);
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change = mix->master_vol[0] != ucontrol->value.integer.value[0] ||
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mix->master_vol[1] != ucontrol->value.integer.value[1];
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if (change) {
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mix->master_vol[0] = ucontrol->value.integer.value[0];
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mix->master_vol[1] = ucontrol->value.integer.value[1];
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tumbler_set_master_volume(mix);
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}
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return change;
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}
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/* output switch */
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static int tumbler_get_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix = chip->mixer_data;
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snd_assert(mix, return -ENODEV);
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ucontrol->value.integer.value[0] = mix->master_switch[0];
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ucontrol->value.integer.value[1] = mix->master_switch[1];
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return 0;
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}
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static int tumbler_put_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix = chip->mixer_data;
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int change;
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snd_assert(mix, return -ENODEV);
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change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
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mix->master_switch[1] != ucontrol->value.integer.value[1];
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if (change) {
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mix->master_switch[0] = !!ucontrol->value.integer.value[0];
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mix->master_switch[1] = !!ucontrol->value.integer.value[1];
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tumbler_set_master_volume(mix);
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}
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return change;
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}
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/*
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* TAS3001c dynamic range compression
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*/
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#define TAS3001_DRC_MAX 0x5f
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static int tumbler_set_drc(pmac_tumbler_t *mix)
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{
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unsigned char val[2];
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if (! mix->i2c.client)
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return -ENODEV;
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if (mix->drc_enable) {
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val[0] = 0xc1; /* enable, 3:1 compression */
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if (mix->drc_range > TAS3001_DRC_MAX)
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val[1] = 0xf0;
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else if (mix->drc_range < 0)
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val[1] = 0x91;
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else
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val[1] = mix->drc_range + 0x91;
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} else {
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val[0] = 0;
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val[1] = 0;
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}
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if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC,
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2, val) < 0) {
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snd_printk("failed to set DRC\n");
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return -EINVAL;
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}
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return 0;
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}
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/*
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* TAS3004
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*/
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#define TAS3004_DRC_MAX 0xef
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static int snapper_set_drc(pmac_tumbler_t *mix)
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{
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unsigned char val[6];
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if (! mix->i2c.client)
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return -ENODEV;
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if (mix->drc_enable)
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val[0] = 0x50; /* 3:1 above threshold */
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else
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val[0] = 0x51; /* disabled */
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val[1] = 0x02; /* 1:1 below threshold */
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if (mix->drc_range > 0xef)
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val[2] = 0xef;
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else if (mix->drc_range < 0)
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val[2] = 0x00;
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else
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val[2] = mix->drc_range;
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val[3] = 0xb0;
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val[4] = 0x60;
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val[5] = 0xa0;
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if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC,
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6, val) < 0) {
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snd_printk("failed to set DRC\n");
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return -EINVAL;
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}
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return 0;
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}
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static int tumbler_info_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max =
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chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
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return 0;
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}
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static int tumbler_get_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix;
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if (! (mix = chip->mixer_data))
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return -ENODEV;
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ucontrol->value.integer.value[0] = mix->drc_range;
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return 0;
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}
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static int tumbler_put_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix;
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int change;
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if (! (mix = chip->mixer_data))
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return -ENODEV;
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change = mix->drc_range != ucontrol->value.integer.value[0];
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if (change) {
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mix->drc_range = ucontrol->value.integer.value[0];
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if (chip->model == PMAC_TUMBLER)
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tumbler_set_drc(mix);
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else
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snapper_set_drc(mix);
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}
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return change;
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}
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static int tumbler_get_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix;
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if (! (mix = chip->mixer_data))
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return -ENODEV;
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ucontrol->value.integer.value[0] = mix->drc_enable;
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return 0;
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}
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static int tumbler_put_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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pmac_t *chip = snd_kcontrol_chip(kcontrol);
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pmac_tumbler_t *mix;
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int change;
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if (! (mix = chip->mixer_data))
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return -ENODEV;
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change = mix->drc_enable != ucontrol->value.integer.value[0];
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if (change) {
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mix->drc_enable = !!ucontrol->value.integer.value[0];
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if (chip->model == PMAC_TUMBLER)
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tumbler_set_drc(mix);
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else
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snapper_set_drc(mix);
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}
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return change;
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}
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/*
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* mono volumes
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*/
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struct tumbler_mono_vol {
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int index;
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int reg;
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int bytes;
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unsigned int max;
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unsigned int *table;
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};
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static int tumbler_set_mono_volume(pmac_tumbler_t *mix, struct tumbler_mono_vol *info)
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{
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unsigned char block[4];
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unsigned int vol;
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int i;
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if (! mix->i2c.client)
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return -ENODEV;
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vol = mix->mono_vol[info->index];
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if (vol >= info->max)
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vol = info->max - 1;
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vol = info->table[vol];
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for (i = 0; i < info->bytes; i++)
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block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
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if (i2c_smbus_write_block_data(mix->i2c.client, info->reg,
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info->bytes, block) < 0) {
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snd_printk("failed to set mono volume %d\n", info->index);
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return -EINVAL;
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}
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return 0;
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}
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static int tumbler_info_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
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{
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struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = info->max - 1;
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return 0;
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}
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static int tumbler_get_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix;
|
|
if (! (mix = chip->mixer_data))
|
|
return -ENODEV;
|
|
ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
|
|
return 0;
|
|
}
|
|
|
|
static int tumbler_put_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
|
|
{
|
|
struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix;
|
|
int change;
|
|
|
|
if (! (mix = chip->mixer_data))
|
|
return -ENODEV;
|
|
change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0];
|
|
if (change) {
|
|
mix->mono_vol[info->index] = ucontrol->value.integer.value[0];
|
|
tumbler_set_mono_volume(mix, info);
|
|
}
|
|
return change;
|
|
}
|
|
|
|
/* TAS3001c mono volumes */
|
|
static struct tumbler_mono_vol tumbler_pcm_vol_info = {
|
|
.index = VOL_IDX_PCM_MONO,
|
|
.reg = TAS_REG_PCM,
|
|
.bytes = 3,
|
|
.max = ARRAY_SIZE(mixer_volume_table),
|
|
.table = mixer_volume_table,
|
|
};
|
|
|
|
static struct tumbler_mono_vol tumbler_bass_vol_info = {
|
|
.index = VOL_IDX_BASS,
|
|
.reg = TAS_REG_BASS,
|
|
.bytes = 1,
|
|
.max = ARRAY_SIZE(bass_volume_table),
|
|
.table = bass_volume_table,
|
|
};
|
|
|
|
static struct tumbler_mono_vol tumbler_treble_vol_info = {
|
|
.index = VOL_IDX_TREBLE,
|
|
.reg = TAS_REG_TREBLE,
|
|
.bytes = 1,
|
|
.max = ARRAY_SIZE(treble_volume_table),
|
|
.table = treble_volume_table,
|
|
};
|
|
|
|
/* TAS3004 mono volumes */
|
|
static struct tumbler_mono_vol snapper_bass_vol_info = {
|
|
.index = VOL_IDX_BASS,
|
|
.reg = TAS_REG_BASS,
|
|
.bytes = 1,
|
|
.max = ARRAY_SIZE(snapper_bass_volume_table),
|
|
.table = snapper_bass_volume_table,
|
|
};
|
|
|
|
static struct tumbler_mono_vol snapper_treble_vol_info = {
|
|
.index = VOL_IDX_TREBLE,
|
|
.reg = TAS_REG_TREBLE,
|
|
.bytes = 1,
|
|
.max = ARRAY_SIZE(snapper_treble_volume_table),
|
|
.table = snapper_treble_volume_table,
|
|
};
|
|
|
|
|
|
#define DEFINE_MONO(xname,type) { \
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
|
|
.name = xname, \
|
|
.info = tumbler_info_mono, \
|
|
.get = tumbler_get_mono, \
|
|
.put = tumbler_put_mono, \
|
|
.private_value = (unsigned long)(&tumbler_##type##_vol_info), \
|
|
}
|
|
|
|
#define DEFINE_SNAPPER_MONO(xname,type) { \
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
|
|
.name = xname, \
|
|
.info = tumbler_info_mono, \
|
|
.get = tumbler_get_mono, \
|
|
.put = tumbler_put_mono, \
|
|
.private_value = (unsigned long)(&snapper_##type##_vol_info), \
|
|
}
|
|
|
|
|
|
/*
|
|
* snapper mixer volumes
|
|
*/
|
|
|
|
static int snapper_set_mix_vol1(pmac_tumbler_t *mix, int idx, int ch, int reg)
|
|
{
|
|
int i, j, vol;
|
|
unsigned char block[9];
|
|
|
|
vol = mix->mix_vol[idx][ch];
|
|
if (vol >= ARRAY_SIZE(mixer_volume_table)) {
|
|
vol = ARRAY_SIZE(mixer_volume_table) - 1;
|
|
mix->mix_vol[idx][ch] = vol;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
vol = mix->mix_vol[i][ch];
|
|
vol = mixer_volume_table[vol];
|
|
for (j = 0; j < 3; j++)
|
|
block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
|
|
}
|
|
if (i2c_smbus_write_block_data(mix->i2c.client, reg, 9, block) < 0) {
|
|
snd_printk("failed to set mono volume %d\n", reg);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int snapper_set_mix_vol(pmac_tumbler_t *mix, int idx)
|
|
{
|
|
if (! mix->i2c.client)
|
|
return -ENODEV;
|
|
if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
|
|
snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
static int snapper_info_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = 2;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
|
|
return 0;
|
|
}
|
|
|
|
static int snapper_get_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
|
|
{
|
|
int idx = (int)kcontrol->private_value;
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix;
|
|
if (! (mix = chip->mixer_data))
|
|
return -ENODEV;
|
|
ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
|
|
ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
|
|
return 0;
|
|
}
|
|
|
|
static int snapper_put_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
|
|
{
|
|
int idx = (int)kcontrol->private_value;
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix;
|
|
int change;
|
|
|
|
if (! (mix = chip->mixer_data))
|
|
return -ENODEV;
|
|
change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] ||
|
|
mix->mix_vol[idx][1] != ucontrol->value.integer.value[1];
|
|
if (change) {
|
|
mix->mix_vol[idx][0] = ucontrol->value.integer.value[0];
|
|
mix->mix_vol[idx][1] = ucontrol->value.integer.value[1];
|
|
snapper_set_mix_vol(mix, idx);
|
|
}
|
|
return change;
|
|
}
|
|
|
|
|
|
/*
|
|
* mute switches
|
|
*/
|
|
|
|
enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP };
|
|
|
|
static int tumbler_get_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
|
|
{
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix;
|
|
pmac_gpio_t *gp;
|
|
if (! (mix = chip->mixer_data))
|
|
return -ENODEV;
|
|
gp = (kcontrol->private_value == TUMBLER_MUTE_HP) ? &mix->hp_mute : &mix->amp_mute;
|
|
ucontrol->value.integer.value[0] = ! read_audio_gpio(gp);
|
|
return 0;
|
|
}
|
|
|
|
static int tumbler_put_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
|
|
{
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix;
|
|
pmac_gpio_t *gp;
|
|
int val;
|
|
#ifdef PMAC_SUPPORT_AUTOMUTE
|
|
if (chip->update_automute && chip->auto_mute)
|
|
return 0; /* don't touch in the auto-mute mode */
|
|
#endif
|
|
if (! (mix = chip->mixer_data))
|
|
return -ENODEV;
|
|
gp = (kcontrol->private_value == TUMBLER_MUTE_HP) ? &mix->hp_mute : &mix->amp_mute;
|
|
val = ! read_audio_gpio(gp);
|
|
if (val != ucontrol->value.integer.value[0]) {
|
|
write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int snapper_set_capture_source(pmac_tumbler_t *mix)
|
|
{
|
|
if (! mix->i2c.client)
|
|
return -ENODEV;
|
|
return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS,
|
|
mix->capture_source ? 2 : 0);
|
|
}
|
|
|
|
static int snapper_info_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
|
|
{
|
|
static char *texts[2] = {
|
|
"Line", "Mic"
|
|
};
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = 2;
|
|
if (uinfo->value.enumerated.item > 1)
|
|
uinfo->value.enumerated.item = 1;
|
|
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
|
|
return 0;
|
|
}
|
|
|
|
static int snapper_get_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
|
|
{
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
|
|
snd_assert(mix, return -ENODEV);
|
|
ucontrol->value.integer.value[0] = mix->capture_source;
|
|
return 0;
|
|
}
|
|
|
|
static int snapper_put_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
|
|
{
|
|
pmac_t *chip = snd_kcontrol_chip(kcontrol);
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
int change;
|
|
|
|
snd_assert(mix, return -ENODEV);
|
|
change = ucontrol->value.integer.value[0] != mix->capture_source;
|
|
if (change) {
|
|
mix->capture_source = !!ucontrol->value.integer.value[0];
|
|
snapper_set_capture_source(mix);
|
|
}
|
|
return change;
|
|
}
|
|
|
|
#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
|
|
.name = xname, \
|
|
.info = snapper_info_mix, \
|
|
.get = snapper_get_mix, \
|
|
.put = snapper_put_mix, \
|
|
.index = idx,\
|
|
.private_value = ofs, \
|
|
}
|
|
|
|
|
|
/*
|
|
*/
|
|
static snd_kcontrol_new_t tumbler_mixers[] __initdata = {
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Master Playback Volume",
|
|
.info = tumbler_info_master_volume,
|
|
.get = tumbler_get_master_volume,
|
|
.put = tumbler_put_master_volume
|
|
},
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Master Playback Switch",
|
|
.info = snd_pmac_boolean_stereo_info,
|
|
.get = tumbler_get_master_switch,
|
|
.put = tumbler_put_master_switch
|
|
},
|
|
DEFINE_MONO("Tone Control - Bass", bass),
|
|
DEFINE_MONO("Tone Control - Treble", treble),
|
|
DEFINE_MONO("PCM Playback Volume", pcm),
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "DRC Range",
|
|
.info = tumbler_info_drc_value,
|
|
.get = tumbler_get_drc_value,
|
|
.put = tumbler_put_drc_value
|
|
},
|
|
};
|
|
|
|
static snd_kcontrol_new_t snapper_mixers[] __initdata = {
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Master Playback Volume",
|
|
.info = tumbler_info_master_volume,
|
|
.get = tumbler_get_master_volume,
|
|
.put = tumbler_put_master_volume
|
|
},
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Master Playback Switch",
|
|
.info = snd_pmac_boolean_stereo_info,
|
|
.get = tumbler_get_master_switch,
|
|
.put = tumbler_put_master_switch
|
|
},
|
|
DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
|
|
DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
|
|
DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
|
|
DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
|
|
DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "DRC Range",
|
|
.info = tumbler_info_drc_value,
|
|
.get = tumbler_get_drc_value,
|
|
.put = tumbler_put_drc_value
|
|
},
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
|
|
.info = snapper_info_capture_source,
|
|
.get = snapper_get_capture_source,
|
|
.put = snapper_put_capture_source
|
|
},
|
|
};
|
|
|
|
static snd_kcontrol_new_t tumbler_hp_sw __initdata = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Headphone Playback Switch",
|
|
.info = snd_pmac_boolean_mono_info,
|
|
.get = tumbler_get_mute_switch,
|
|
.put = tumbler_put_mute_switch,
|
|
.private_value = TUMBLER_MUTE_HP,
|
|
};
|
|
static snd_kcontrol_new_t tumbler_speaker_sw __initdata = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "PC Speaker Playback Switch",
|
|
.info = snd_pmac_boolean_mono_info,
|
|
.get = tumbler_get_mute_switch,
|
|
.put = tumbler_put_mute_switch,
|
|
.private_value = TUMBLER_MUTE_AMP,
|
|
};
|
|
static snd_kcontrol_new_t tumbler_drc_sw __initdata = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "DRC Switch",
|
|
.info = snd_pmac_boolean_mono_info,
|
|
.get = tumbler_get_drc_switch,
|
|
.put = tumbler_put_drc_switch
|
|
};
|
|
|
|
|
|
#ifdef PMAC_SUPPORT_AUTOMUTE
|
|
/*
|
|
* auto-mute stuffs
|
|
*/
|
|
static int tumbler_detect_headphone(pmac_t *chip)
|
|
{
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
return read_audio_gpio(&mix->hp_detect);
|
|
}
|
|
|
|
static void check_mute(pmac_t *chip, pmac_gpio_t *gp, int val, int do_notify, snd_kcontrol_t *sw)
|
|
{
|
|
//pmac_tumbler_t *mix = chip->mixer_data;
|
|
if (val != read_audio_gpio(gp)) {
|
|
write_audio_gpio(gp, val);
|
|
if (do_notify)
|
|
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &sw->id);
|
|
}
|
|
}
|
|
|
|
static struct work_struct device_change;
|
|
|
|
static void
|
|
device_change_handler(void *self)
|
|
{
|
|
pmac_t *chip = (pmac_t*) self;
|
|
pmac_tumbler_t *mix;
|
|
|
|
if (!chip)
|
|
return;
|
|
|
|
mix = chip->mixer_data;
|
|
|
|
/* first set the DRC so the speaker do not explode -ReneR */
|
|
if (chip->model == PMAC_TUMBLER)
|
|
tumbler_set_drc(mix);
|
|
else
|
|
snapper_set_drc(mix);
|
|
|
|
/* reset the master volume so the correct amplification is applied */
|
|
tumbler_set_master_volume(mix);
|
|
}
|
|
|
|
static void tumbler_update_automute(pmac_t *chip, int do_notify)
|
|
{
|
|
if (chip->auto_mute) {
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
snd_assert(mix, return);
|
|
if (tumbler_detect_headphone(chip)) {
|
|
/* mute speaker */
|
|
check_mute(chip, &mix->amp_mute, 1, do_notify, chip->speaker_sw_ctl);
|
|
check_mute(chip, &mix->hp_mute, 0, do_notify, chip->master_sw_ctl);
|
|
mix->drc_enable = 0;
|
|
|
|
} else {
|
|
/* unmute speaker */
|
|
check_mute(chip, &mix->amp_mute, 0, do_notify, chip->speaker_sw_ctl);
|
|
check_mute(chip, &mix->hp_mute, 1, do_notify, chip->master_sw_ctl);
|
|
mix->drc_enable = 1;
|
|
}
|
|
if (do_notify) {
|
|
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
|
|
&chip->hp_detect_ctl->id);
|
|
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
|
|
&chip->drc_sw_ctl->id);
|
|
}
|
|
|
|
/* finally we need to schedule an update of the mixer values
|
|
(master and DRC are enough for now) -ReneR */
|
|
schedule_work(&device_change);
|
|
|
|
}
|
|
}
|
|
#endif /* PMAC_SUPPORT_AUTOMUTE */
|
|
|
|
|
|
/* interrupt - headphone plug changed */
|
|
static irqreturn_t headphone_intr(int irq, void *devid, struct pt_regs *regs)
|
|
{
|
|
pmac_t *chip = devid;
|
|
if (chip->update_automute && chip->initialized) {
|
|
chip->update_automute(chip, 1);
|
|
return IRQ_HANDLED;
|
|
}
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
/* look for audio-gpio device */
|
|
static struct device_node *find_audio_device(const char *name)
|
|
{
|
|
struct device_node *np;
|
|
|
|
if (! (np = find_devices("gpio")))
|
|
return NULL;
|
|
|
|
for (np = np->child; np; np = np->sibling) {
|
|
char *property = get_property(np, "audio-gpio", NULL);
|
|
if (property && strcmp(property, name) == 0)
|
|
return np;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* look for audio-gpio device */
|
|
static struct device_node *find_compatible_audio_device(const char *name)
|
|
{
|
|
struct device_node *np;
|
|
|
|
if (! (np = find_devices("gpio")))
|
|
return NULL;
|
|
|
|
for (np = np->child; np; np = np->sibling) {
|
|
if (device_is_compatible(np, name))
|
|
return np;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* find an audio device and get its address */
|
|
static unsigned long tumbler_find_device(const char *device, pmac_gpio_t *gp, int is_compatible)
|
|
{
|
|
struct device_node *node;
|
|
u32 *base;
|
|
|
|
if (is_compatible)
|
|
node = find_compatible_audio_device(device);
|
|
else
|
|
node = find_audio_device(device);
|
|
if (! node) {
|
|
snd_printdd("cannot find device %s\n", device);
|
|
return -ENODEV;
|
|
}
|
|
|
|
base = (u32 *)get_property(node, "AAPL,address", NULL);
|
|
if (! base) {
|
|
snd_printd("cannot find address for device %s\n", device);
|
|
return -ENODEV;
|
|
}
|
|
|
|
#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
|
|
gp->addr = (*base) & 0x0000ffff;
|
|
#else
|
|
gp->addr = ioremap((unsigned long)(*base), 1);
|
|
#endif
|
|
base = (u32 *)get_property(node, "audio-gpio-active-state", NULL);
|
|
if (base)
|
|
gp->active_state = *base;
|
|
else
|
|
gp->active_state = 1;
|
|
|
|
|
|
return (node->n_intrs > 0) ? node->intrs[0].line : 0;
|
|
}
|
|
|
|
/* reset audio */
|
|
static void tumbler_reset_audio(pmac_t *chip)
|
|
{
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
|
|
write_audio_gpio(&mix->audio_reset, 0);
|
|
big_mdelay(200);
|
|
write_audio_gpio(&mix->audio_reset, 1);
|
|
big_mdelay(100);
|
|
write_audio_gpio(&mix->audio_reset, 0);
|
|
big_mdelay(100);
|
|
}
|
|
|
|
#ifdef CONFIG_PMAC_PBOOK
|
|
/* resume mixer */
|
|
static void tumbler_resume(pmac_t *chip)
|
|
{
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
|
|
snd_assert(mix, return);
|
|
|
|
tumbler_reset_audio(chip);
|
|
if (mix->i2c.client && mix->i2c.init_client) {
|
|
if (mix->i2c.init_client(&mix->i2c) < 0)
|
|
printk(KERN_ERR "tumbler_init_client error\n");
|
|
} else
|
|
printk(KERN_ERR "tumbler: i2c is not initialized\n");
|
|
if (chip->model == PMAC_TUMBLER) {
|
|
tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
|
|
tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
|
|
tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
|
|
tumbler_set_drc(mix);
|
|
} else {
|
|
snapper_set_mix_vol(mix, VOL_IDX_PCM);
|
|
snapper_set_mix_vol(mix, VOL_IDX_PCM2);
|
|
snapper_set_mix_vol(mix, VOL_IDX_ADC);
|
|
tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
|
|
tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
|
|
snapper_set_drc(mix);
|
|
snapper_set_capture_source(mix);
|
|
}
|
|
tumbler_set_master_volume(mix);
|
|
if (chip->update_automute)
|
|
chip->update_automute(chip, 0);
|
|
}
|
|
#endif
|
|
|
|
/* initialize tumbler */
|
|
static int __init tumbler_init(pmac_t *chip)
|
|
{
|
|
int irq, err;
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
snd_assert(mix, return -EINVAL);
|
|
|
|
tumbler_find_device("audio-hw-reset", &mix->audio_reset, 0);
|
|
tumbler_find_device("amp-mute", &mix->amp_mute, 0);
|
|
tumbler_find_device("headphone-mute", &mix->hp_mute, 0);
|
|
irq = tumbler_find_device("headphone-detect", &mix->hp_detect, 0);
|
|
if (irq < 0)
|
|
irq = tumbler_find_device("keywest-gpio15", &mix->hp_detect, 1);
|
|
|
|
tumbler_reset_audio(chip);
|
|
|
|
/* activate headphone status interrupts */
|
|
if (irq >= 0) {
|
|
unsigned char val;
|
|
if ((err = request_irq(irq, headphone_intr, 0,
|
|
"Tumbler Headphone Detection", chip)) < 0)
|
|
return err;
|
|
/* activate headphone status interrupts */
|
|
val = do_gpio_read(&mix->hp_detect);
|
|
do_gpio_write(&mix->hp_detect, val | 0x80);
|
|
}
|
|
mix->headphone_irq = irq;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tumbler_cleanup(pmac_t *chip)
|
|
{
|
|
pmac_tumbler_t *mix = chip->mixer_data;
|
|
if (! mix)
|
|
return;
|
|
|
|
if (mix->headphone_irq >= 0)
|
|
free_irq(mix->headphone_irq, chip);
|
|
tumbler_gpio_free(&mix->audio_reset);
|
|
tumbler_gpio_free(&mix->amp_mute);
|
|
tumbler_gpio_free(&mix->hp_mute);
|
|
tumbler_gpio_free(&mix->hp_detect);
|
|
snd_pmac_keywest_cleanup(&mix->i2c);
|
|
kfree(mix);
|
|
chip->mixer_data = NULL;
|
|
}
|
|
|
|
/* exported */
|
|
int __init snd_pmac_tumbler_init(pmac_t *chip)
|
|
{
|
|
int i, err;
|
|
pmac_tumbler_t *mix;
|
|
u32 *paddr;
|
|
struct device_node *tas_node;
|
|
char *chipname;
|
|
|
|
#ifdef CONFIG_KMOD
|
|
if (current->fs->root)
|
|
request_module("i2c-keywest");
|
|
#endif /* CONFIG_KMOD */
|
|
|
|
mix = kmalloc(sizeof(*mix), GFP_KERNEL);
|
|
if (! mix)
|
|
return -ENOMEM;
|
|
memset(mix, 0, sizeof(*mix));
|
|
mix->headphone_irq = -1;
|
|
|
|
chip->mixer_data = mix;
|
|
chip->mixer_free = tumbler_cleanup;
|
|
|
|
if ((err = tumbler_init(chip)) < 0)
|
|
return err;
|
|
|
|
/* set up TAS */
|
|
tas_node = find_devices("deq");
|
|
if (tas_node == NULL)
|
|
return -ENODEV;
|
|
|
|
paddr = (u32 *)get_property(tas_node, "i2c-address", NULL);
|
|
if (paddr)
|
|
mix->i2c.addr = (*paddr) >> 1;
|
|
else
|
|
mix->i2c.addr = TAS_I2C_ADDR;
|
|
|
|
if (chip->model == PMAC_TUMBLER) {
|
|
mix->i2c.init_client = tumbler_init_client;
|
|
mix->i2c.name = "TAS3001c";
|
|
chipname = "Tumbler";
|
|
} else {
|
|
mix->i2c.init_client = snapper_init_client;
|
|
mix->i2c.name = "TAS3004";
|
|
chipname = "Snapper";
|
|
}
|
|
|
|
if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
|
|
return err;
|
|
|
|
/*
|
|
* build mixers
|
|
*/
|
|
sprintf(chip->card->mixername, "PowerMac %s", chipname);
|
|
|
|
if (chip->model == PMAC_TUMBLER) {
|
|
for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
|
|
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
|
|
return err;
|
|
}
|
|
} else {
|
|
for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
|
|
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
|
|
return err;
|
|
}
|
|
}
|
|
chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
|
|
if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
|
|
return err;
|
|
chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
|
|
if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
|
|
return err;
|
|
chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
|
|
if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
|
|
return err;
|
|
|
|
|
|
#ifdef CONFIG_PMAC_PBOOK
|
|
chip->resume = tumbler_resume;
|
|
#endif
|
|
|
|
INIT_WORK(&device_change, device_change_handler, (void *)chip);
|
|
|
|
#ifdef PMAC_SUPPORT_AUTOMUTE
|
|
if (mix->headphone_irq >=0 && (err = snd_pmac_add_automute(chip)) < 0)
|
|
return err;
|
|
chip->detect_headphone = tumbler_detect_headphone;
|
|
chip->update_automute = tumbler_update_automute;
|
|
tumbler_update_automute(chip, 0); /* update the status only */
|
|
#endif
|
|
|
|
return 0;
|
|
}
|