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850 lines
21 KiB
850 lines
21 KiB
/*
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* Driver for the i2c/i2s based TA3004 sound chip used
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* on some Apple hardware. Also known as "snapper".
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*
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* Tobias Sargeant <tobias.sargeant@bigpond.com>
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* Based upon, tas3001c.c by Christopher C. Chimelis <chris@debian.org>:
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*
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* TODO:
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* -----
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* * Enable control over input line 2 (is this connected?)
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* * Implement sleep support (at least mute everything and
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* * set gains to minimum during sleep)
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* * Look into some of Darwin's tweaks regarding the mute
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* * lines (delays & different behaviour on some HW)
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*
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/proc_fs.h>
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#include <linux/ioport.h>
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#include <linux/sysctl.h>
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#include <linux/types.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/soundcard.h>
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#include <linux/workqueue.h>
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#include <asm/uaccess.h>
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#include <asm/errno.h>
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#include <asm/io.h>
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#include <asm/prom.h>
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#include "dmasound.h"
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#include "tas_common.h"
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#include "tas3001c.h"
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#include "tas_ioctl.h"
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#define TAS3001C_BIQUAD_FILTER_COUNT 6
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#define TAS3001C_BIQUAD_CHANNEL_COUNT 2
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#define VOL_DEFAULT (100 * 4 / 5)
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#define INPUT_DEFAULT (100 * 4 / 5)
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#define BASS_DEFAULT (100 / 2)
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#define TREBLE_DEFAULT (100 / 2)
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struct tas3001c_data_t {
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struct tas_data_t super;
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int device_id;
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int output_id;
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int speaker_id;
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struct tas_drce_t drce_state;
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};
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static const union tas_biquad_t
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tas3001c_eq_unity={
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.buf = { 0x100000, 0x000000, 0x000000, 0x000000, 0x000000 }
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};
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static inline unsigned char db_to_regval(short db) {
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int r=0;
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r=(db+0x59a0) / 0x60;
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if (r < 0x91) return 0x91;
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if (r > 0xef) return 0xef;
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return r;
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}
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static inline short quantize_db(short db) {
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return db_to_regval(db) * 0x60 - 0x59a0;
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}
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static inline int
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register_width(enum tas3001c_reg_t r)
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{
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switch(r) {
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case TAS3001C_REG_MCR:
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case TAS3001C_REG_TREBLE:
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case TAS3001C_REG_BASS:
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return 1;
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case TAS3001C_REG_DRC:
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return 2;
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case TAS3001C_REG_MIXER1:
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case TAS3001C_REG_MIXER2:
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return 3;
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case TAS3001C_REG_VOLUME:
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return 6;
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case TAS3001C_REG_LEFT_BIQUAD0:
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case TAS3001C_REG_LEFT_BIQUAD1:
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case TAS3001C_REG_LEFT_BIQUAD2:
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case TAS3001C_REG_LEFT_BIQUAD3:
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case TAS3001C_REG_LEFT_BIQUAD4:
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case TAS3001C_REG_LEFT_BIQUAD5:
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case TAS3001C_REG_LEFT_BIQUAD6:
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case TAS3001C_REG_RIGHT_BIQUAD0:
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case TAS3001C_REG_RIGHT_BIQUAD1:
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case TAS3001C_REG_RIGHT_BIQUAD2:
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case TAS3001C_REG_RIGHT_BIQUAD3:
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case TAS3001C_REG_RIGHT_BIQUAD4:
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case TAS3001C_REG_RIGHT_BIQUAD5:
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case TAS3001C_REG_RIGHT_BIQUAD6:
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return 15;
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default:
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return 0;
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}
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}
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static int
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tas3001c_write_register( struct tas3001c_data_t *self,
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enum tas3001c_reg_t reg_num,
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char *data,
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uint write_mode)
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{
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if (reg_num==TAS3001C_REG_MCR ||
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reg_num==TAS3001C_REG_BASS ||
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reg_num==TAS3001C_REG_TREBLE) {
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return tas_write_byte_register(&self->super,
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(uint)reg_num,
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*data,
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write_mode);
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} else {
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return tas_write_register(&self->super,
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(uint)reg_num,
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register_width(reg_num),
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data,
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write_mode);
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}
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}
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static int
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tas3001c_sync_register( struct tas3001c_data_t *self,
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enum tas3001c_reg_t reg_num)
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{
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if (reg_num==TAS3001C_REG_MCR ||
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reg_num==TAS3001C_REG_BASS ||
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reg_num==TAS3001C_REG_TREBLE) {
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return tas_sync_byte_register(&self->super,
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(uint)reg_num,
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register_width(reg_num));
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} else {
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return tas_sync_register(&self->super,
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(uint)reg_num,
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register_width(reg_num));
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}
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}
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static int
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tas3001c_read_register( struct tas3001c_data_t *self,
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enum tas3001c_reg_t reg_num,
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char *data,
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uint write_mode)
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{
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return tas_read_register(&self->super,
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(uint)reg_num,
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register_width(reg_num),
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data);
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}
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static inline int
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tas3001c_fast_load(struct tas3001c_data_t *self, int fast)
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{
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if (fast)
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self->super.shadow[TAS3001C_REG_MCR][0] |= 0x80;
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else
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self->super.shadow[TAS3001C_REG_MCR][0] &= 0x7f;
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return tas3001c_sync_register(self,TAS3001C_REG_MCR);
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}
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static uint
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tas3001c_supported_mixers(struct tas3001c_data_t *self)
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{
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return SOUND_MASK_VOLUME |
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SOUND_MASK_PCM |
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SOUND_MASK_ALTPCM |
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SOUND_MASK_TREBLE |
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SOUND_MASK_BASS;
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}
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static int
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tas3001c_mixer_is_stereo(struct tas3001c_data_t *self,int mixer)
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{
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switch(mixer) {
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case SOUND_MIXER_VOLUME:
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return 1;
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default:
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return 0;
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}
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}
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static uint
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tas3001c_stereo_mixers(struct tas3001c_data_t *self)
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{
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uint r=tas3001c_supported_mixers(self);
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uint i;
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for (i=1; i<SOUND_MIXER_NRDEVICES; i++)
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if (r&(1<<i) && !tas3001c_mixer_is_stereo(self,i))
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r &= ~(1<<i);
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return r;
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}
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static int
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tas3001c_get_mixer_level(struct tas3001c_data_t *self,int mixer,uint *level)
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{
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if (!self)
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return -1;
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*level=self->super.mixer[mixer];
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return 0;
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}
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static int
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tas3001c_set_mixer_level(struct tas3001c_data_t *self,int mixer,uint level)
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{
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int rc;
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tas_shadow_t *shadow;
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uint temp;
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uint offset=0;
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if (!self)
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return -1;
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shadow=self->super.shadow;
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if (!tas3001c_mixer_is_stereo(self,mixer))
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level = tas_mono_to_stereo(level);
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switch(mixer) {
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case SOUND_MIXER_VOLUME:
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temp = tas3001c_gain.master[level&0xff];
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shadow[TAS3001C_REG_VOLUME][0] = (temp >> 16) & 0xff;
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shadow[TAS3001C_REG_VOLUME][1] = (temp >> 8) & 0xff;
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shadow[TAS3001C_REG_VOLUME][2] = (temp >> 0) & 0xff;
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temp = tas3001c_gain.master[(level>>8)&0xff];
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shadow[TAS3001C_REG_VOLUME][3] = (temp >> 16) & 0xff;
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shadow[TAS3001C_REG_VOLUME][4] = (temp >> 8) & 0xff;
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shadow[TAS3001C_REG_VOLUME][5] = (temp >> 0) & 0xff;
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rc = tas3001c_sync_register(self,TAS3001C_REG_VOLUME);
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break;
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case SOUND_MIXER_ALTPCM:
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/* tas3001c_fast_load(self, 1); */
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level = tas_mono_to_stereo(level);
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temp = tas3001c_gain.mixer[level&0xff];
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shadow[TAS3001C_REG_MIXER2][offset+0] = (temp >> 16) & 0xff;
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shadow[TAS3001C_REG_MIXER2][offset+1] = (temp >> 8) & 0xff;
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shadow[TAS3001C_REG_MIXER2][offset+2] = (temp >> 0) & 0xff;
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rc = tas3001c_sync_register(self,TAS3001C_REG_MIXER2);
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/* tas3001c_fast_load(self, 0); */
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break;
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case SOUND_MIXER_PCM:
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/* tas3001c_fast_load(self, 1); */
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level = tas_mono_to_stereo(level);
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temp = tas3001c_gain.mixer[level&0xff];
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shadow[TAS3001C_REG_MIXER1][offset+0] = (temp >> 16) & 0xff;
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shadow[TAS3001C_REG_MIXER1][offset+1] = (temp >> 8) & 0xff;
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shadow[TAS3001C_REG_MIXER1][offset+2] = (temp >> 0) & 0xff;
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rc = tas3001c_sync_register(self,TAS3001C_REG_MIXER1);
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/* tas3001c_fast_load(self, 0); */
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break;
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case SOUND_MIXER_TREBLE:
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temp = tas3001c_gain.treble[level&0xff];
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shadow[TAS3001C_REG_TREBLE][0]=temp&0xff;
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rc = tas3001c_sync_register(self,TAS3001C_REG_TREBLE);
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break;
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case SOUND_MIXER_BASS:
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temp = tas3001c_gain.bass[level&0xff];
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shadow[TAS3001C_REG_BASS][0]=temp&0xff;
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rc = tas3001c_sync_register(self,TAS3001C_REG_BASS);
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break;
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default:
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rc = -1;
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break;
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}
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if (rc < 0)
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return rc;
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self->super.mixer[mixer]=level;
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return 0;
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}
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static int
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tas3001c_leave_sleep(struct tas3001c_data_t *self)
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{
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unsigned char mcr = (1<<6)+(2<<4)+(2<<2);
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if (!self)
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return -1;
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/* Make sure something answers on the i2c bus */
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if (tas3001c_write_register(self, TAS3001C_REG_MCR, &mcr,
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WRITE_NORMAL|FORCE_WRITE) < 0)
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return -1;
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tas3001c_fast_load(self, 1);
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(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD0);
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(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD1);
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(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD2);
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(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD3);
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(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD4);
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(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD5);
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(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD0);
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(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD1);
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(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD2);
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(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD3);
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(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD4);
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(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD5);
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tas3001c_fast_load(self, 0);
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(void)tas3001c_sync_register(self,TAS3001C_REG_BASS);
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(void)tas3001c_sync_register(self,TAS3001C_REG_TREBLE);
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(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER1);
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(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER2);
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(void)tas3001c_sync_register(self,TAS3001C_REG_VOLUME);
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return 0;
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}
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static int
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tas3001c_enter_sleep(struct tas3001c_data_t *self)
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{
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/* Stub for now, but I have the details on low-power mode */
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if (!self)
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return -1;
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return 0;
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}
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static int
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tas3001c_sync_biquad( struct tas3001c_data_t *self,
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u_int channel,
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u_int filter)
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{
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enum tas3001c_reg_t reg;
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if (channel >= TAS3001C_BIQUAD_CHANNEL_COUNT ||
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filter >= TAS3001C_BIQUAD_FILTER_COUNT) return -EINVAL;
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reg=( channel ? TAS3001C_REG_RIGHT_BIQUAD0 : TAS3001C_REG_LEFT_BIQUAD0 ) + filter;
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return tas3001c_sync_register(self,reg);
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}
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static int
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tas3001c_write_biquad_shadow( struct tas3001c_data_t *self,
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u_int channel,
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u_int filter,
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const union tas_biquad_t *biquad)
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{
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tas_shadow_t *shadow=self->super.shadow;
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enum tas3001c_reg_t reg;
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if (channel >= TAS3001C_BIQUAD_CHANNEL_COUNT ||
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filter >= TAS3001C_BIQUAD_FILTER_COUNT) return -EINVAL;
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reg=( channel ? TAS3001C_REG_RIGHT_BIQUAD0 : TAS3001C_REG_LEFT_BIQUAD0 ) + filter;
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SET_4_20(shadow[reg], 0,biquad->coeff.b0);
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SET_4_20(shadow[reg], 3,biquad->coeff.b1);
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SET_4_20(shadow[reg], 6,biquad->coeff.b2);
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SET_4_20(shadow[reg], 9,biquad->coeff.a1);
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SET_4_20(shadow[reg],12,biquad->coeff.a2);
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return 0;
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}
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static int
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tas3001c_write_biquad( struct tas3001c_data_t *self,
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u_int channel,
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u_int filter,
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const union tas_biquad_t *biquad)
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{
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int rc;
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rc=tas3001c_write_biquad_shadow(self, channel, filter, biquad);
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if (rc < 0) return rc;
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return tas3001c_sync_biquad(self, channel, filter);
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}
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static int
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tas3001c_write_biquad_list( struct tas3001c_data_t *self,
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u_int filter_count,
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u_int flags,
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struct tas_biquad_ctrl_t *biquads)
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{
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int i;
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int rc;
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if (flags & TAS_BIQUAD_FAST_LOAD) tas3001c_fast_load(self,1);
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for (i=0; i<filter_count; i++) {
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rc=tas3001c_write_biquad(self,
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biquads[i].channel,
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biquads[i].filter,
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&biquads[i].data);
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if (rc < 0) break;
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}
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if (flags & TAS_BIQUAD_FAST_LOAD) {
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tas3001c_fast_load(self,0);
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(void)tas3001c_sync_register(self,TAS3001C_REG_BASS);
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(void)tas3001c_sync_register(self,TAS3001C_REG_TREBLE);
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(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER1);
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(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER2);
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(void)tas3001c_sync_register(self,TAS3001C_REG_VOLUME);
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}
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return rc;
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}
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static int
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tas3001c_read_biquad( struct tas3001c_data_t *self,
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u_int channel,
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u_int filter,
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union tas_biquad_t *biquad)
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{
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tas_shadow_t *shadow=self->super.shadow;
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enum tas3001c_reg_t reg;
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if (channel >= TAS3001C_BIQUAD_CHANNEL_COUNT ||
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filter >= TAS3001C_BIQUAD_FILTER_COUNT) return -EINVAL;
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reg=( channel ? TAS3001C_REG_RIGHT_BIQUAD0 : TAS3001C_REG_LEFT_BIQUAD0 ) + filter;
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biquad->coeff.b0=GET_4_20(shadow[reg], 0);
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biquad->coeff.b1=GET_4_20(shadow[reg], 3);
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biquad->coeff.b2=GET_4_20(shadow[reg], 6);
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biquad->coeff.a1=GET_4_20(shadow[reg], 9);
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biquad->coeff.a2=GET_4_20(shadow[reg],12);
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return 0;
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}
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static int
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tas3001c_eq_rw( struct tas3001c_data_t *self,
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u_int cmd,
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u_long arg)
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{
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int rc;
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struct tas_biquad_ctrl_t biquad;
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void __user *argp = (void __user *)arg;
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if (copy_from_user(&biquad, argp, sizeof(struct tas_biquad_ctrl_t))) {
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return -EFAULT;
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}
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if (cmd & SIOC_IN) {
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|
rc=tas3001c_write_biquad(self, biquad.channel, biquad.filter, &biquad.data);
|
|
if (rc != 0) return rc;
|
|
}
|
|
|
|
if (cmd & SIOC_OUT) {
|
|
rc=tas3001c_read_biquad(self, biquad.channel, biquad.filter, &biquad.data);
|
|
if (rc != 0) return rc;
|
|
|
|
if (copy_to_user(argp, &biquad, sizeof(struct tas_biquad_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3001c_eq_list_rw( struct tas3001c_data_t *self,
|
|
u_int cmd,
|
|
u_long arg)
|
|
{
|
|
int rc;
|
|
int filter_count;
|
|
int flags;
|
|
int i,j;
|
|
char sync_required[2][6];
|
|
struct tas_biquad_ctrl_t biquad;
|
|
struct tas_biquad_ctrl_list_t __user *argp = (void __user *)arg;
|
|
|
|
memset(sync_required,0,sizeof(sync_required));
|
|
|
|
if (copy_from_user(&filter_count, &argp->filter_count, sizeof(int)))
|
|
return -EFAULT;
|
|
|
|
if (copy_from_user(&flags, &argp->flags, sizeof(int)))
|
|
return -EFAULT;
|
|
|
|
if (cmd & SIOC_IN) {
|
|
}
|
|
|
|
for (i=0; i < filter_count; i++) {
|
|
if (copy_from_user(&biquad, &argp->biquads[i],
|
|
sizeof(struct tas_biquad_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (cmd & SIOC_IN) {
|
|
sync_required[biquad.channel][biquad.filter]=1;
|
|
rc=tas3001c_write_biquad_shadow(self, biquad.channel, biquad.filter, &biquad.data);
|
|
if (rc != 0) return rc;
|
|
}
|
|
|
|
if (cmd & SIOC_OUT) {
|
|
rc=tas3001c_read_biquad(self, biquad.channel, biquad.filter, &biquad.data);
|
|
if (rc != 0) return rc;
|
|
|
|
if (copy_to_user(&argp->biquads[i], &biquad,
|
|
sizeof(struct tas_biquad_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (cmd & SIOC_IN) {
|
|
if (flags & TAS_BIQUAD_FAST_LOAD) tas3001c_fast_load(self,1);
|
|
for (i=0; i<2; i++) {
|
|
for (j=0; j<6; j++) {
|
|
if (sync_required[i][j]) {
|
|
rc=tas3001c_sync_biquad(self, i, j);
|
|
if (rc < 0) return rc;
|
|
}
|
|
}
|
|
}
|
|
if (flags & TAS_BIQUAD_FAST_LOAD) {
|
|
tas3001c_fast_load(self,0);
|
|
/* now we need to set up the mixers again,
|
|
because leaving fast mode resets them. */
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_BASS);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_TREBLE);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER1);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER2);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_VOLUME);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3001c_update_drce( struct tas3001c_data_t *self,
|
|
int flags,
|
|
struct tas_drce_t *drce)
|
|
{
|
|
tas_shadow_t *shadow;
|
|
shadow=self->super.shadow;
|
|
|
|
shadow[TAS3001C_REG_DRC][1] = 0xc1;
|
|
|
|
if (flags & TAS_DRCE_THRESHOLD) {
|
|
self->drce_state.threshold=quantize_db(drce->threshold);
|
|
shadow[TAS3001C_REG_DRC][2] = db_to_regval(self->drce_state.threshold);
|
|
}
|
|
|
|
if (flags & TAS_DRCE_ENABLE) {
|
|
self->drce_state.enable = drce->enable;
|
|
}
|
|
|
|
if (!self->drce_state.enable) {
|
|
shadow[TAS3001C_REG_DRC][0] = 0xf0;
|
|
}
|
|
|
|
#ifdef DEBUG_DRCE
|
|
printk("DRCE IOCTL: set [ ENABLE:%x THRESH:%x\n",
|
|
self->drce_state.enable,
|
|
self->drce_state.threshold);
|
|
|
|
printk("DRCE IOCTL: reg [ %02x %02x ]\n",
|
|
(unsigned char)shadow[TAS3001C_REG_DRC][0],
|
|
(unsigned char)shadow[TAS3001C_REG_DRC][1]);
|
|
#endif
|
|
|
|
return tas3001c_sync_register(self, TAS3001C_REG_DRC);
|
|
}
|
|
|
|
static int
|
|
tas3001c_drce_rw( struct tas3001c_data_t *self,
|
|
u_int cmd,
|
|
u_long arg)
|
|
{
|
|
int rc;
|
|
struct tas_drce_ctrl_t drce_ctrl;
|
|
void __user *argp = (void __user *)arg;
|
|
|
|
if (copy_from_user(&drce_ctrl, argp, sizeof(struct tas_drce_ctrl_t)))
|
|
return -EFAULT;
|
|
|
|
#ifdef DEBUG_DRCE
|
|
printk("DRCE IOCTL: input [ FLAGS:%x ENABLE:%x THRESH:%x\n",
|
|
drce_ctrl.flags,
|
|
drce_ctrl.data.enable,
|
|
drce_ctrl.data.threshold);
|
|
#endif
|
|
|
|
if (cmd & SIOC_IN) {
|
|
rc = tas3001c_update_drce(self, drce_ctrl.flags, &drce_ctrl.data);
|
|
if (rc < 0)
|
|
return rc;
|
|
}
|
|
|
|
if (cmd & SIOC_OUT) {
|
|
if (drce_ctrl.flags & TAS_DRCE_ENABLE)
|
|
drce_ctrl.data.enable = self->drce_state.enable;
|
|
|
|
if (drce_ctrl.flags & TAS_DRCE_THRESHOLD)
|
|
drce_ctrl.data.threshold = self->drce_state.threshold;
|
|
|
|
if (copy_to_user(argp, &drce_ctrl,
|
|
sizeof(struct tas_drce_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
tas3001c_update_device_parameters(struct tas3001c_data_t *self)
|
|
{
|
|
int i,j;
|
|
|
|
if (!self) return;
|
|
|
|
if (self->output_id == TAS_OUTPUT_HEADPHONES) {
|
|
tas3001c_fast_load(self, 1);
|
|
|
|
for (i=0; i<TAS3001C_BIQUAD_CHANNEL_COUNT; i++) {
|
|
for (j=0; j<TAS3001C_BIQUAD_FILTER_COUNT; j++) {
|
|
tas3001c_write_biquad(self, i, j, &tas3001c_eq_unity);
|
|
}
|
|
}
|
|
|
|
tas3001c_fast_load(self, 0);
|
|
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_BASS);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_TREBLE);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER1);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_MIXER2);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_VOLUME);
|
|
|
|
return;
|
|
}
|
|
|
|
for (i=0; tas3001c_eq_prefs[i]; i++) {
|
|
struct tas_eq_pref_t *eq = tas3001c_eq_prefs[i];
|
|
|
|
if (eq->device_id == self->device_id &&
|
|
(eq->output_id == 0 || eq->output_id == self->output_id) &&
|
|
(eq->speaker_id == 0 || eq->speaker_id == self->speaker_id)) {
|
|
|
|
tas3001c_update_drce(self, TAS_DRCE_ALL, eq->drce);
|
|
tas3001c_write_biquad_list(self, eq->filter_count, TAS_BIQUAD_FAST_LOAD, eq->biquads);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
tas3001c_device_change_handler(void *self)
|
|
{
|
|
if (self)
|
|
tas3001c_update_device_parameters(self);
|
|
}
|
|
|
|
static struct work_struct device_change;
|
|
|
|
static int
|
|
tas3001c_output_device_change( struct tas3001c_data_t *self,
|
|
int device_id,
|
|
int output_id,
|
|
int speaker_id)
|
|
{
|
|
self->device_id=device_id;
|
|
self->output_id=output_id;
|
|
self->speaker_id=speaker_id;
|
|
|
|
schedule_work(&device_change);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3001c_device_ioctl( struct tas3001c_data_t *self,
|
|
u_int cmd,
|
|
u_long arg)
|
|
{
|
|
uint __user *argp = (void __user *)arg;
|
|
switch (cmd) {
|
|
case TAS_READ_EQ:
|
|
case TAS_WRITE_EQ:
|
|
return tas3001c_eq_rw(self, cmd, arg);
|
|
|
|
case TAS_READ_EQ_LIST:
|
|
case TAS_WRITE_EQ_LIST:
|
|
return tas3001c_eq_list_rw(self, cmd, arg);
|
|
|
|
case TAS_READ_EQ_FILTER_COUNT:
|
|
put_user(TAS3001C_BIQUAD_FILTER_COUNT, argp);
|
|
return 0;
|
|
|
|
case TAS_READ_EQ_CHANNEL_COUNT:
|
|
put_user(TAS3001C_BIQUAD_CHANNEL_COUNT, argp);
|
|
return 0;
|
|
|
|
case TAS_READ_DRCE:
|
|
case TAS_WRITE_DRCE:
|
|
return tas3001c_drce_rw(self, cmd, arg);
|
|
|
|
case TAS_READ_DRCE_CAPS:
|
|
put_user(TAS_DRCE_ENABLE | TAS_DRCE_THRESHOLD, argp);
|
|
return 0;
|
|
|
|
case TAS_READ_DRCE_MIN:
|
|
case TAS_READ_DRCE_MAX: {
|
|
struct tas_drce_ctrl_t drce_ctrl;
|
|
|
|
if (copy_from_user(&drce_ctrl, argp,
|
|
sizeof(struct tas_drce_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (drce_ctrl.flags & TAS_DRCE_THRESHOLD) {
|
|
if (cmd == TAS_READ_DRCE_MIN) {
|
|
drce_ctrl.data.threshold=-36<<8;
|
|
} else {
|
|
drce_ctrl.data.threshold=-6<<8;
|
|
}
|
|
}
|
|
|
|
if (copy_to_user(argp, &drce_ctrl,
|
|
sizeof(struct tas_drce_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
}
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int
|
|
tas3001c_init_mixer(struct tas3001c_data_t *self)
|
|
{
|
|
unsigned char mcr = (1<<6)+(2<<4)+(2<<2);
|
|
|
|
/* Make sure something answers on the i2c bus */
|
|
if (tas3001c_write_register(self, TAS3001C_REG_MCR, &mcr,
|
|
WRITE_NORMAL|FORCE_WRITE) < 0)
|
|
return -1;
|
|
|
|
tas3001c_fast_load(self, 1);
|
|
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD0);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD1);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD2);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD3);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD4);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD5);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_RIGHT_BIQUAD6);
|
|
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD0);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD1);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD2);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD3);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD4);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD5);
|
|
(void)tas3001c_sync_register(self,TAS3001C_REG_LEFT_BIQUAD6);
|
|
|
|
tas3001c_fast_load(self, 0);
|
|
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_VOLUME, VOL_DEFAULT<<8 | VOL_DEFAULT);
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_PCM, INPUT_DEFAULT<<8 | INPUT_DEFAULT);
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_ALTPCM, 0);
|
|
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_BASS, BASS_DEFAULT);
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_TREBLE, TREBLE_DEFAULT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3001c_uninit_mixer(struct tas3001c_data_t *self)
|
|
{
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_VOLUME, 0);
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_PCM, 0);
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_ALTPCM, 0);
|
|
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_BASS, 0);
|
|
tas3001c_set_mixer_level(self, SOUND_MIXER_TREBLE, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3001c_init(struct i2c_client *client)
|
|
{
|
|
struct tas3001c_data_t *self;
|
|
size_t sz = sizeof(*self) + (TAS3001C_REG_MAX*sizeof(tas_shadow_t));
|
|
int i, j;
|
|
|
|
self = kmalloc(sz, GFP_KERNEL);
|
|
if (!self)
|
|
return -ENOMEM;
|
|
memset(self, 0, sz);
|
|
|
|
self->super.client = client;
|
|
self->super.shadow = (tas_shadow_t *)(self+1);
|
|
self->output_id = TAS_OUTPUT_HEADPHONES;
|
|
|
|
dev_set_drvdata(&client->dev, self);
|
|
|
|
for (i = 0; i < TAS3001C_BIQUAD_CHANNEL_COUNT; i++)
|
|
for (j = 0; j < TAS3001C_BIQUAD_FILTER_COUNT; j++)
|
|
tas3001c_write_biquad_shadow(self, i, j,
|
|
&tas3001c_eq_unity);
|
|
|
|
INIT_WORK(&device_change, tas3001c_device_change_handler, self);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
tas3001c_uninit(struct tas3001c_data_t *self)
|
|
{
|
|
tas3001c_uninit_mixer(self);
|
|
kfree(self);
|
|
}
|
|
|
|
struct tas_driver_hooks_t tas3001c_hooks = {
|
|
.init = (tas_hook_init_t)tas3001c_init,
|
|
.post_init = (tas_hook_post_init_t)tas3001c_init_mixer,
|
|
.uninit = (tas_hook_uninit_t)tas3001c_uninit,
|
|
.get_mixer_level = (tas_hook_get_mixer_level_t)tas3001c_get_mixer_level,
|
|
.set_mixer_level = (tas_hook_set_mixer_level_t)tas3001c_set_mixer_level,
|
|
.enter_sleep = (tas_hook_enter_sleep_t)tas3001c_enter_sleep,
|
|
.leave_sleep = (tas_hook_leave_sleep_t)tas3001c_leave_sleep,
|
|
.supported_mixers = (tas_hook_supported_mixers_t)tas3001c_supported_mixers,
|
|
.mixer_is_stereo = (tas_hook_mixer_is_stereo_t)tas3001c_mixer_is_stereo,
|
|
.stereo_mixers = (tas_hook_stereo_mixers_t)tas3001c_stereo_mixers,
|
|
.output_device_change = (tas_hook_output_device_change_t)tas3001c_output_device_change,
|
|
.device_ioctl = (tas_hook_device_ioctl_t)tas3001c_device_ioctl
|
|
};
|
|
|