diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/i2c/tea6330t.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/i2c/tea6330t.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/ANDROID_3.4.5/sound/i2c/tea6330t.c b/ANDROID_3.4.5/sound/i2c/tea6330t.c deleted file mode 100644 index 2d22310d..00000000 --- a/ANDROID_3.4.5/sound/i2c/tea6330t.c +++ /dev/null @@ -1,386 +0,0 @@ -/* - * Routines for control of the TEA6330T circuit via i2c bus - * Sound fader control circuit for car radios by Philips Semiconductors - * Copyright (c) by Jaroslav Kysela <perex@perex.cz> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/tea6330t.h> - -MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); -MODULE_DESCRIPTION("Routines for control of the TEA6330T circuit via i2c bus"); -MODULE_LICENSE("GPL"); - -#define TEA6330T_ADDR (0x80>>1) /* fixed address */ - -#define TEA6330T_SADDR_VOLUME_LEFT 0x00 /* volume left */ -#define TEA6330T_SADDR_VOLUME_RIGHT 0x01 /* volume right */ -#define TEA6330T_SADDR_BASS 0x02 /* bass control */ -#define TEA6330T_SADDR_TREBLE 0x03 /* treble control */ -#define TEA6330T_SADDR_FADER 0x04 /* fader control */ -#define TEA6330T_MFN 0x20 /* mute control for selected channels */ -#define TEA6330T_FCH 0x10 /* select fader channels - front or rear */ -#define TEA6330T_SADDR_AUDIO_SWITCH 0x05 /* audio switch */ -#define TEA6330T_GMU 0x80 /* mute control, general mute */ -#define TEA6330T_EQN 0x40 /* equalizer switchover (0=equalizer-on) */ - - -struct tea6330t { - struct snd_i2c_device *device; - struct snd_i2c_bus *bus; - int equalizer; - int fader; - unsigned char regs[8]; - unsigned char mleft, mright; - unsigned char bass, treble; - unsigned char max_bass, max_treble; -}; - - -int snd_tea6330t_detect(struct snd_i2c_bus *bus, int equalizer) -{ - int res; - - snd_i2c_lock(bus); - res = snd_i2c_probeaddr(bus, TEA6330T_ADDR); - snd_i2c_unlock(bus); - return res; -} - -#if 0 -static void snd_tea6330t_set(struct tea6330t *tea, - unsigned char addr, unsigned char value) -{ -#if 0 - printk(KERN_DEBUG "set - 0x%x/0x%x\n", addr, value); -#endif - snd_i2c_write(tea->bus, TEA6330T_ADDR, addr, value, 1); -} -#endif - -#define TEA6330T_MASTER_VOLUME(xname, xindex) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_tea6330t_info_master_volume, \ - .get = snd_tea6330t_get_master_volume, .put = snd_tea6330t_put_master_volume } - -static int snd_tea6330t_info_master_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 43; - return 0; -} - -static int snd_tea6330t_get_master_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - - snd_i2c_lock(tea->bus); - ucontrol->value.integer.value[0] = tea->mleft - 0x14; - ucontrol->value.integer.value[1] = tea->mright - 0x14; - snd_i2c_unlock(tea->bus); - return 0; -} - -static int snd_tea6330t_put_master_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - int change, count, err; - unsigned char bytes[3]; - unsigned char val1, val2; - - val1 = (ucontrol->value.integer.value[0] % 44) + 0x14; - val2 = (ucontrol->value.integer.value[1] % 44) + 0x14; - snd_i2c_lock(tea->bus); - change = val1 != tea->mleft || val2 != tea->mright; - tea->mleft = val1; - tea->mright = val2; - count = 0; - if (tea->regs[TEA6330T_SADDR_VOLUME_LEFT] != 0) { - bytes[count++] = TEA6330T_SADDR_VOLUME_LEFT; - bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = tea->mleft; - } - if (tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] != 0) { - if (count == 0) - bytes[count++] = TEA6330T_SADDR_VOLUME_RIGHT; - bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = tea->mright; - } - if (count > 0) { - if ((err = snd_i2c_sendbytes(tea->device, bytes, count)) < 0) - change = err; - } - snd_i2c_unlock(tea->bus); - return change; -} - -#define TEA6330T_MASTER_SWITCH(xname, xindex) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_tea6330t_info_master_switch, \ - .get = snd_tea6330t_get_master_switch, .put = snd_tea6330t_put_master_switch } - -#define snd_tea6330t_info_master_switch snd_ctl_boolean_stereo_info - -static int snd_tea6330t_get_master_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - - snd_i2c_lock(tea->bus); - ucontrol->value.integer.value[0] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1; - ucontrol->value.integer.value[1] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1; - snd_i2c_unlock(tea->bus); - return 0; -} - -static int snd_tea6330t_put_master_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - int change, err; - unsigned char bytes[3]; - unsigned char oval1, oval2, val1, val2; - - val1 = ucontrol->value.integer.value[0] & 1; - val2 = ucontrol->value.integer.value[1] & 1; - snd_i2c_lock(tea->bus); - oval1 = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1; - oval2 = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1; - change = val1 != oval1 || val2 != oval2; - tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = val1 ? tea->mleft : 0; - tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = val2 ? tea->mright : 0; - bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; - bytes[1] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT]; - bytes[2] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT]; - if ((err = snd_i2c_sendbytes(tea->device, bytes, 3)) < 0) - change = err; - snd_i2c_unlock(tea->bus); - return change; -} - -#define TEA6330T_BASS(xname, xindex) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_tea6330t_info_bass, \ - .get = snd_tea6330t_get_bass, .put = snd_tea6330t_put_bass } - -static int snd_tea6330t_info_bass(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = tea->max_bass; - return 0; -} - -static int snd_tea6330t_get_bass(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - - ucontrol->value.integer.value[0] = tea->bass; - return 0; -} - -static int snd_tea6330t_put_bass(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - int change, err; - unsigned char bytes[2]; - unsigned char val1; - - val1 = ucontrol->value.integer.value[0] % (tea->max_bass + 1); - snd_i2c_lock(tea->bus); - tea->bass = val1; - val1 += tea->equalizer ? 7 : 3; - change = tea->regs[TEA6330T_SADDR_BASS] != val1; - bytes[0] = TEA6330T_SADDR_BASS; - bytes[1] = tea->regs[TEA6330T_SADDR_BASS] = val1; - if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0) - change = err; - snd_i2c_unlock(tea->bus); - return change; -} - -#define TEA6330T_TREBLE(xname, xindex) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_tea6330t_info_treble, \ - .get = snd_tea6330t_get_treble, .put = snd_tea6330t_put_treble } - -static int snd_tea6330t_info_treble(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = tea->max_treble; - return 0; -} - -static int snd_tea6330t_get_treble(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - - ucontrol->value.integer.value[0] = tea->treble; - return 0; -} - -static int snd_tea6330t_put_treble(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tea6330t *tea = snd_kcontrol_chip(kcontrol); - int change, err; - unsigned char bytes[2]; - unsigned char val1; - - val1 = ucontrol->value.integer.value[0] % (tea->max_treble + 1); - snd_i2c_lock(tea->bus); - tea->treble = val1; - val1 += 3; - change = tea->regs[TEA6330T_SADDR_TREBLE] != val1; - bytes[0] = TEA6330T_SADDR_TREBLE; - bytes[1] = tea->regs[TEA6330T_SADDR_TREBLE] = val1; - if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0) - change = err; - snd_i2c_unlock(tea->bus); - return change; -} - -static struct snd_kcontrol_new snd_tea6330t_controls[] = { -TEA6330T_MASTER_SWITCH("Master Playback Switch", 0), -TEA6330T_MASTER_VOLUME("Master Playback Volume", 0), -TEA6330T_BASS("Tone Control - Bass", 0), -TEA6330T_TREBLE("Tone Control - Treble", 0) -}; - -static void snd_tea6330_free(struct snd_i2c_device *device) -{ - kfree(device->private_data); -} - -int snd_tea6330t_update_mixer(struct snd_card *card, - struct snd_i2c_bus *bus, - int equalizer, int fader) -{ - struct snd_i2c_device *device; - struct tea6330t *tea; - struct snd_kcontrol_new *knew; - unsigned int idx; - int err = -ENOMEM; - u8 default_treble, default_bass; - unsigned char bytes[7]; - - tea = kzalloc(sizeof(*tea), GFP_KERNEL); - if (tea == NULL) - return -ENOMEM; - if ((err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device)) < 0) { - kfree(tea); - return err; - } - tea->device = device; - tea->bus = bus; - tea->equalizer = equalizer; - tea->fader = fader; - device->private_data = tea; - device->private_free = snd_tea6330_free; - - snd_i2c_lock(bus); - - /* turn fader off and handle equalizer */ - tea->regs[TEA6330T_SADDR_FADER] = 0x3f; - tea->regs[TEA6330T_SADDR_AUDIO_SWITCH] = equalizer ? 0 : TEA6330T_EQN; - /* initialize mixer */ - if (!tea->equalizer) { - tea->max_bass = 9; - tea->max_treble = 8; - default_bass = 3 + 4; - tea->bass = 4; - default_treble = 3 + 4; - tea->treble = 4; - } else { - tea->max_bass = 5; - tea->max_treble = 0; - default_bass = 7 + 4; - tea->bass = 4; - default_treble = 3; - tea->treble = 0; - } - tea->mleft = tea->mright = 0x14; - tea->regs[TEA6330T_SADDR_BASS] = default_bass; - tea->regs[TEA6330T_SADDR_TREBLE] = default_treble; - - /* compose I2C message and put the hardware to initial state */ - bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; - for (idx = 0; idx < 6; idx++) - bytes[idx+1] = tea->regs[idx]; - if ((err = snd_i2c_sendbytes(device, bytes, 7)) < 0) - goto __error; - - strcat(card->mixername, ",TEA6330T"); - if ((err = snd_component_add(card, "TEA6330T")) < 0) - goto __error; - - for (idx = 0; idx < ARRAY_SIZE(snd_tea6330t_controls); idx++) { - knew = &snd_tea6330t_controls[idx]; - if (tea->treble == 0 && !strcmp(knew->name, "Tone Control - Treble")) - continue; - if ((err = snd_ctl_add(card, snd_ctl_new1(knew, tea))) < 0) - goto __error; - } - - snd_i2c_unlock(bus); - return 0; - - __error: - snd_i2c_unlock(bus); - snd_i2c_device_free(device); - return err; -} - -EXPORT_SYMBOL(snd_tea6330t_detect); -EXPORT_SYMBOL(snd_tea6330t_update_mixer); - -/* - * INIT part - */ - -static int __init alsa_tea6330t_init(void) -{ - return 0; -} - -static void __exit alsa_tea6330t_exit(void) -{ -} - -module_init(alsa_tea6330t_init) -module_exit(alsa_tea6330t_exit) |