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1140 lines
28 KiB
1140 lines
28 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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* Input support by Renzo Davoli <renzo@cs.unibo.it>
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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/interrupt.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 "tas3004.h"
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#include "tas_ioctl.h"
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/* #define DEBUG_DRCE */
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#define TAS3004_BIQUAD_FILTER_COUNT 7
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#define TAS3004_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 tas3004_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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#define MAKE_TIME(sec,usec) (((sec)<<12) + (50000+(usec/10)*(1<<12))/100000)
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#define MAKE_RATIO(i,f) (((i)<<8) + ((500+(f)*(1<<8))/1000))
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static const union tas_biquad_t tas3004_eq_unity = {
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.buf = { 0x100000, 0x000000, 0x000000, 0x000000, 0x000000 },
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};
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static const struct tas_drce_t tas3004_drce_min = {
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.enable = 1,
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.above = { .val = MAKE_RATIO(16,0), .expand = 0 },
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.below = { .val = MAKE_RATIO(2,0), .expand = 0 },
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.threshold = -0x59a0,
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.energy = MAKE_TIME(0, 1700),
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.attack = MAKE_TIME(0, 1700),
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.decay = MAKE_TIME(0, 1700),
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};
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static const struct tas_drce_t tas3004_drce_max = {
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.enable = 1,
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.above = { .val = MAKE_RATIO(1,500), .expand = 1 },
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.below = { .val = MAKE_RATIO(2,0), .expand = 1 },
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.threshold = -0x0,
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.energy = MAKE_TIME(2,400000),
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.attack = MAKE_TIME(2,400000),
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.decay = MAKE_TIME(2,400000),
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};
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static const unsigned short time_constants[]={
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MAKE_TIME(0, 1700),
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MAKE_TIME(0, 3500),
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MAKE_TIME(0, 6700),
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MAKE_TIME(0, 13000),
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MAKE_TIME(0, 26000),
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MAKE_TIME(0, 53000),
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MAKE_TIME(0,106000),
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MAKE_TIME(0,212000),
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MAKE_TIME(0,425000),
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MAKE_TIME(0,850000),
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MAKE_TIME(1,700000),
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MAKE_TIME(2,400000),
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};
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static const unsigned short above_threshold_compression_ratio[]={
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MAKE_RATIO( 1, 70),
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MAKE_RATIO( 1,140),
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MAKE_RATIO( 1,230),
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MAKE_RATIO( 1,330),
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MAKE_RATIO( 1,450),
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MAKE_RATIO( 1,600),
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MAKE_RATIO( 1,780),
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MAKE_RATIO( 2, 0),
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MAKE_RATIO( 2,290),
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MAKE_RATIO( 2,670),
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MAKE_RATIO( 3,200),
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MAKE_RATIO( 4, 0),
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MAKE_RATIO( 5,330),
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MAKE_RATIO( 8, 0),
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MAKE_RATIO(16, 0),
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};
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static const unsigned short above_threshold_expansion_ratio[]={
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MAKE_RATIO(1, 60),
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MAKE_RATIO(1,130),
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MAKE_RATIO(1,190),
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MAKE_RATIO(1,250),
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MAKE_RATIO(1,310),
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MAKE_RATIO(1,380),
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MAKE_RATIO(1,440),
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MAKE_RATIO(1,500)
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};
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static const unsigned short below_threshold_compression_ratio[]={
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MAKE_RATIO(1, 70),
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MAKE_RATIO(1,140),
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MAKE_RATIO(1,230),
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MAKE_RATIO(1,330),
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MAKE_RATIO(1,450),
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MAKE_RATIO(1,600),
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MAKE_RATIO(1,780),
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MAKE_RATIO(2, 0)
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};
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static const unsigned short below_threshold_expansion_ratio[]={
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MAKE_RATIO(1, 60),
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MAKE_RATIO(1,130),
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MAKE_RATIO(1,190),
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MAKE_RATIO(1,250),
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MAKE_RATIO(1,310),
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MAKE_RATIO(1,380),
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MAKE_RATIO(1,440),
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MAKE_RATIO(1,500),
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MAKE_RATIO(1,560),
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MAKE_RATIO(1,630),
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MAKE_RATIO(1,690),
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MAKE_RATIO(1,750),
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MAKE_RATIO(1,810),
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MAKE_RATIO(1,880),
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MAKE_RATIO(1,940),
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MAKE_RATIO(2, 0)
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};
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static inline int
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search( unsigned short val,
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const unsigned short *arr,
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const int arrsize) {
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/*
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* This could be a binary search, but for small tables,
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* a linear search is likely to be faster
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*/
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int i;
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for (i=0; i < arrsize; i++)
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if (arr[i] >= val)
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goto _1;
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return arrsize-1;
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_1:
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if (i == 0)
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return 0;
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return (arr[i]-val < val-arr[i-1]) ? i : i-1;
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}
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#define SEARCH(a, b) search(a, b, ARRAY_SIZE(b))
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static inline int
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time_index(unsigned short time)
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{
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return SEARCH(time, time_constants);
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}
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static inline int
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above_threshold_compression_index(unsigned short ratio)
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{
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return SEARCH(ratio, above_threshold_compression_ratio);
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}
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static inline int
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above_threshold_expansion_index(unsigned short ratio)
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{
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return SEARCH(ratio, above_threshold_expansion_ratio);
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}
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static inline int
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below_threshold_compression_index(unsigned short ratio)
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{
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return SEARCH(ratio, below_threshold_compression_ratio);
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}
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static inline int
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below_threshold_expansion_index(unsigned short ratio)
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{
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return SEARCH(ratio, below_threshold_expansion_ratio);
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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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{
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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 tas3004_reg_t r)
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{
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switch(r) {
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case TAS3004_REG_MCR:
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case TAS3004_REG_TREBLE:
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case TAS3004_REG_BASS:
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case TAS3004_REG_ANALOG_CTRL:
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case TAS3004_REG_TEST1:
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case TAS3004_REG_TEST2:
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case TAS3004_REG_MCR2:
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return 1;
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case TAS3004_REG_LEFT_LOUD_BIQUAD_GAIN:
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case TAS3004_REG_RIGHT_LOUD_BIQUAD_GAIN:
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return 3;
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case TAS3004_REG_DRC:
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case TAS3004_REG_VOLUME:
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return 6;
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case TAS3004_REG_LEFT_MIXER:
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case TAS3004_REG_RIGHT_MIXER:
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return 9;
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case TAS3004_REG_TEST:
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return 10;
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case TAS3004_REG_LEFT_BIQUAD0:
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case TAS3004_REG_LEFT_BIQUAD1:
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case TAS3004_REG_LEFT_BIQUAD2:
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case TAS3004_REG_LEFT_BIQUAD3:
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case TAS3004_REG_LEFT_BIQUAD4:
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case TAS3004_REG_LEFT_BIQUAD5:
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case TAS3004_REG_LEFT_BIQUAD6:
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case TAS3004_REG_RIGHT_BIQUAD0:
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case TAS3004_REG_RIGHT_BIQUAD1:
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case TAS3004_REG_RIGHT_BIQUAD2:
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case TAS3004_REG_RIGHT_BIQUAD3:
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case TAS3004_REG_RIGHT_BIQUAD4:
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case TAS3004_REG_RIGHT_BIQUAD5:
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case TAS3004_REG_RIGHT_BIQUAD6:
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case TAS3004_REG_LEFT_LOUD_BIQUAD:
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case TAS3004_REG_RIGHT_LOUD_BIQUAD:
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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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tas3004_write_register( struct tas3004_data_t *self,
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enum tas3004_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==TAS3004_REG_MCR ||
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reg_num==TAS3004_REG_BASS ||
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reg_num==TAS3004_REG_TREBLE ||
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reg_num==TAS3004_REG_ANALOG_CTRL) {
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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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tas3004_sync_register( struct tas3004_data_t *self,
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enum tas3004_reg_t reg_num)
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{
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if (reg_num==TAS3004_REG_MCR ||
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reg_num==TAS3004_REG_BASS ||
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reg_num==TAS3004_REG_TREBLE ||
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reg_num==TAS3004_REG_ANALOG_CTRL) {
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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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tas3004_read_register( struct tas3004_data_t *self,
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enum tas3004_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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tas3004_fast_load(struct tas3004_data_t *self, int fast)
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{
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if (fast)
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self->super.shadow[TAS3004_REG_MCR][0] |= 0x80;
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else
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self->super.shadow[TAS3004_REG_MCR][0] &= 0x7f;
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return tas3004_sync_register(self,TAS3004_REG_MCR);
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}
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static uint
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tas3004_supported_mixers(struct tas3004_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_IMIX |
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SOUND_MASK_TREBLE |
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SOUND_MASK_BASS |
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SOUND_MASK_MIC |
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SOUND_MASK_LINE;
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}
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static int
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tas3004_mixer_is_stereo(struct tas3004_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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case SOUND_MIXER_PCM:
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case SOUND_MIXER_ALTPCM:
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case SOUND_MIXER_IMIX:
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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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tas3004_stereo_mixers(struct tas3004_data_t *self)
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{
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uint r = tas3004_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) && !tas3004_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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tas3004_get_mixer_level(struct tas3004_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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tas3004_set_mixer_level(struct tas3004_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 (!tas3004_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 = tas3004_gain.master[level&0xff];
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SET_4_20(shadow[TAS3004_REG_VOLUME], 0, temp);
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temp = tas3004_gain.master[(level>>8)&0xff];
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SET_4_20(shadow[TAS3004_REG_VOLUME], 3, temp);
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rc = tas3004_sync_register(self,TAS3004_REG_VOLUME);
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break;
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case SOUND_MIXER_IMIX:
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offset += 3;
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case SOUND_MIXER_ALTPCM:
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offset += 3;
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case SOUND_MIXER_PCM:
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/*
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* Don't load these in fast mode. The documentation
|
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* says it can be done in either mode, but testing it
|
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* shows that fast mode produces ugly clicking.
|
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*/
|
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/* tas3004_fast_load(self,1); */
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temp = tas3004_gain.mixer[level&0xff];
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SET_4_20(shadow[TAS3004_REG_LEFT_MIXER], offset, temp);
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temp = tas3004_gain.mixer[(level>>8)&0xff];
|
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SET_4_20(shadow[TAS3004_REG_RIGHT_MIXER], offset, temp);
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rc = tas3004_sync_register(self,TAS3004_REG_LEFT_MIXER);
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if (rc == 0)
|
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rc=tas3004_sync_register(self,TAS3004_REG_RIGHT_MIXER);
|
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/* tas3004_fast_load(self,0); */
|
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break;
|
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case SOUND_MIXER_TREBLE:
|
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temp = tas3004_gain.treble[level&0xff];
|
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shadow[TAS3004_REG_TREBLE][0]=temp&0xff;
|
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rc = tas3004_sync_register(self,TAS3004_REG_TREBLE);
|
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break;
|
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case SOUND_MIXER_BASS:
|
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temp = tas3004_gain.bass[level&0xff];
|
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shadow[TAS3004_REG_BASS][0]=temp&0xff;
|
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rc = tas3004_sync_register(self,TAS3004_REG_BASS);
|
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break;
|
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case SOUND_MIXER_MIC:
|
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if ((level&0xff)>0) {
|
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software_input_volume = SW_INPUT_VOLUME_SCALE * (level&0xff);
|
|
if (self->super.mixer[mixer] == 0) {
|
|
self->super.mixer[SOUND_MIXER_LINE] = 0;
|
|
shadow[TAS3004_REG_ANALOG_CTRL][0]=0xc2;
|
|
rc = tas3004_sync_register(self,TAS3004_REG_ANALOG_CTRL);
|
|
} else rc=0;
|
|
} else {
|
|
self->super.mixer[SOUND_MIXER_LINE] = SW_INPUT_VOLUME_DEFAULT;
|
|
software_input_volume = SW_INPUT_VOLUME_SCALE *
|
|
(self->super.mixer[SOUND_MIXER_LINE]&0xff);
|
|
shadow[TAS3004_REG_ANALOG_CTRL][0]=0x00;
|
|
rc = tas3004_sync_register(self,TAS3004_REG_ANALOG_CTRL);
|
|
}
|
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break;
|
|
case SOUND_MIXER_LINE:
|
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if (self->super.mixer[SOUND_MIXER_MIC] == 0) {
|
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software_input_volume = SW_INPUT_VOLUME_SCALE * (level&0xff);
|
|
rc=0;
|
|
}
|
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break;
|
|
default:
|
|
rc = -1;
|
|
break;
|
|
}
|
|
if (rc < 0)
|
|
return rc;
|
|
self->super.mixer[mixer] = level;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3004_leave_sleep(struct tas3004_data_t *self)
|
|
{
|
|
unsigned char mcr = (1<<6)+(2<<4)+(2<<2);
|
|
|
|
if (!self)
|
|
return -1;
|
|
|
|
/* Make sure something answers on the i2c bus */
|
|
if (tas3004_write_register(self, TAS3004_REG_MCR, &mcr,
|
|
WRITE_NORMAL | FORCE_WRITE) < 0)
|
|
return -1;
|
|
|
|
tas3004_fast_load(self, 1);
|
|
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD0);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD1);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD2);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD3);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD4);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD5);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD6);
|
|
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD0);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD1);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD2);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD3);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD4);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD5);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD6);
|
|
|
|
tas3004_fast_load(self, 0);
|
|
|
|
(void)tas3004_sync_register(self,TAS3004_REG_VOLUME);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_MIXER);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_MIXER);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_TREBLE);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_BASS);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_ANALOG_CTRL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3004_enter_sleep(struct tas3004_data_t *self)
|
|
{
|
|
if (!self)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3004_sync_biquad( struct tas3004_data_t *self,
|
|
u_int channel,
|
|
u_int filter)
|
|
{
|
|
enum tas3004_reg_t reg;
|
|
|
|
if (channel >= TAS3004_BIQUAD_CHANNEL_COUNT ||
|
|
filter >= TAS3004_BIQUAD_FILTER_COUNT) return -EINVAL;
|
|
|
|
reg=( channel ? TAS3004_REG_RIGHT_BIQUAD0 : TAS3004_REG_LEFT_BIQUAD0 ) + filter;
|
|
|
|
return tas3004_sync_register(self,reg);
|
|
}
|
|
|
|
static int
|
|
tas3004_write_biquad_shadow( struct tas3004_data_t *self,
|
|
u_int channel,
|
|
u_int filter,
|
|
const union tas_biquad_t *biquad)
|
|
{
|
|
tas_shadow_t *shadow=self->super.shadow;
|
|
enum tas3004_reg_t reg;
|
|
|
|
if (channel >= TAS3004_BIQUAD_CHANNEL_COUNT ||
|
|
filter >= TAS3004_BIQUAD_FILTER_COUNT) return -EINVAL;
|
|
|
|
reg=( channel ? TAS3004_REG_RIGHT_BIQUAD0 : TAS3004_REG_LEFT_BIQUAD0 ) + filter;
|
|
|
|
SET_4_20(shadow[reg], 0,biquad->coeff.b0);
|
|
SET_4_20(shadow[reg], 3,biquad->coeff.b1);
|
|
SET_4_20(shadow[reg], 6,biquad->coeff.b2);
|
|
SET_4_20(shadow[reg], 9,biquad->coeff.a1);
|
|
SET_4_20(shadow[reg],12,biquad->coeff.a2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3004_write_biquad( struct tas3004_data_t *self,
|
|
u_int channel,
|
|
u_int filter,
|
|
const union tas_biquad_t *biquad)
|
|
{
|
|
int rc;
|
|
|
|
rc=tas3004_write_biquad_shadow(self, channel, filter, biquad);
|
|
if (rc < 0) return rc;
|
|
|
|
return tas3004_sync_biquad(self, channel, filter);
|
|
}
|
|
|
|
static int
|
|
tas3004_write_biquad_list( struct tas3004_data_t *self,
|
|
u_int filter_count,
|
|
u_int flags,
|
|
struct tas_biquad_ctrl_t *biquads)
|
|
{
|
|
int i;
|
|
int rc;
|
|
|
|
if (flags & TAS_BIQUAD_FAST_LOAD) tas3004_fast_load(self,1);
|
|
|
|
for (i=0; i<filter_count; i++) {
|
|
rc=tas3004_write_biquad(self,
|
|
biquads[i].channel,
|
|
biquads[i].filter,
|
|
&biquads[i].data);
|
|
if (rc < 0) break;
|
|
}
|
|
|
|
if (flags & TAS_BIQUAD_FAST_LOAD) tas3004_fast_load(self,0);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
tas3004_read_biquad( struct tas3004_data_t *self,
|
|
u_int channel,
|
|
u_int filter,
|
|
union tas_biquad_t *biquad)
|
|
{
|
|
tas_shadow_t *shadow=self->super.shadow;
|
|
enum tas3004_reg_t reg;
|
|
|
|
if (channel >= TAS3004_BIQUAD_CHANNEL_COUNT ||
|
|
filter >= TAS3004_BIQUAD_FILTER_COUNT) return -EINVAL;
|
|
|
|
reg=( channel ? TAS3004_REG_RIGHT_BIQUAD0 : TAS3004_REG_LEFT_BIQUAD0 ) + filter;
|
|
|
|
biquad->coeff.b0=GET_4_20(shadow[reg], 0);
|
|
biquad->coeff.b1=GET_4_20(shadow[reg], 3);
|
|
biquad->coeff.b2=GET_4_20(shadow[reg], 6);
|
|
biquad->coeff.a1=GET_4_20(shadow[reg], 9);
|
|
biquad->coeff.a2=GET_4_20(shadow[reg],12);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3004_eq_rw( struct tas3004_data_t *self,
|
|
u_int cmd,
|
|
u_long arg)
|
|
{
|
|
void __user *argp = (void __user *)arg;
|
|
int rc;
|
|
struct tas_biquad_ctrl_t biquad;
|
|
|
|
if (copy_from_user((void *)&biquad, argp, sizeof(struct tas_biquad_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (cmd & SIOC_IN) {
|
|
rc=tas3004_write_biquad(self, biquad.channel, biquad.filter, &biquad.data);
|
|
if (rc != 0) return rc;
|
|
}
|
|
|
|
if (cmd & SIOC_OUT) {
|
|
rc=tas3004_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
|
|
tas3004_eq_list_rw( struct tas3004_data_t *self,
|
|
u_int cmd,
|
|
u_long arg)
|
|
{
|
|
int rc = 0;
|
|
int filter_count;
|
|
int flags;
|
|
int i,j;
|
|
char sync_required[TAS3004_BIQUAD_CHANNEL_COUNT][TAS3004_BIQUAD_FILTER_COUNT];
|
|
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=tas3004_write_biquad_shadow(self, biquad.channel, biquad.filter, &biquad.data);
|
|
if (rc != 0) return rc;
|
|
}
|
|
|
|
if (cmd & SIOC_OUT) {
|
|
rc=tas3004_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) {
|
|
/*
|
|
* This is OK for the tas3004. For the
|
|
* tas3001c, going into fast load mode causes
|
|
* the treble and bass to be reset to 0dB, and
|
|
* volume controls to be muted.
|
|
*/
|
|
if (flags & TAS_BIQUAD_FAST_LOAD) tas3004_fast_load(self,1);
|
|
for (i=0; i<TAS3004_BIQUAD_CHANNEL_COUNT; i++) {
|
|
for (j=0; j<TAS3004_BIQUAD_FILTER_COUNT; j++) {
|
|
if (sync_required[i][j]) {
|
|
rc=tas3004_sync_biquad(self, i, j);
|
|
if (rc < 0) goto out;
|
|
}
|
|
}
|
|
}
|
|
out:
|
|
if (flags & TAS_BIQUAD_FAST_LOAD)
|
|
tas3004_fast_load(self,0);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
tas3004_update_drce( struct tas3004_data_t *self,
|
|
int flags,
|
|
struct tas_drce_t *drce)
|
|
{
|
|
tas_shadow_t *shadow;
|
|
int i;
|
|
shadow=self->super.shadow;
|
|
|
|
if (flags & TAS_DRCE_ABOVE_RATIO) {
|
|
self->drce_state.above.expand = drce->above.expand;
|
|
if (drce->above.val == (1<<8)) {
|
|
self->drce_state.above.val = 1<<8;
|
|
shadow[TAS3004_REG_DRC][0] = 0x02;
|
|
|
|
} else if (drce->above.expand) {
|
|
i=above_threshold_expansion_index(drce->above.val);
|
|
self->drce_state.above.val=above_threshold_expansion_ratio[i];
|
|
shadow[TAS3004_REG_DRC][0] = 0x0a + (i<<3);
|
|
} else {
|
|
i=above_threshold_compression_index(drce->above.val);
|
|
self->drce_state.above.val=above_threshold_compression_ratio[i];
|
|
shadow[TAS3004_REG_DRC][0] = 0x08 + (i<<3);
|
|
}
|
|
}
|
|
|
|
if (flags & TAS_DRCE_BELOW_RATIO) {
|
|
self->drce_state.below.expand = drce->below.expand;
|
|
if (drce->below.val == (1<<8)) {
|
|
self->drce_state.below.val = 1<<8;
|
|
shadow[TAS3004_REG_DRC][1] = 0x02;
|
|
|
|
} else if (drce->below.expand) {
|
|
i=below_threshold_expansion_index(drce->below.val);
|
|
self->drce_state.below.val=below_threshold_expansion_ratio[i];
|
|
shadow[TAS3004_REG_DRC][1] = 0x08 + (i<<3);
|
|
} else {
|
|
i=below_threshold_compression_index(drce->below.val);
|
|
self->drce_state.below.val=below_threshold_compression_ratio[i];
|
|
shadow[TAS3004_REG_DRC][1] = 0x0a + (i<<3);
|
|
}
|
|
}
|
|
|
|
if (flags & TAS_DRCE_THRESHOLD) {
|
|
self->drce_state.threshold=quantize_db(drce->threshold);
|
|
shadow[TAS3004_REG_DRC][2] = db_to_regval(self->drce_state.threshold);
|
|
}
|
|
|
|
if (flags & TAS_DRCE_ENERGY) {
|
|
i=time_index(drce->energy);
|
|
self->drce_state.energy=time_constants[i];
|
|
shadow[TAS3004_REG_DRC][3] = 0x40 + (i<<4);
|
|
}
|
|
|
|
if (flags & TAS_DRCE_ATTACK) {
|
|
i=time_index(drce->attack);
|
|
self->drce_state.attack=time_constants[i];
|
|
shadow[TAS3004_REG_DRC][4] = 0x40 + (i<<4);
|
|
}
|
|
|
|
if (flags & TAS_DRCE_DECAY) {
|
|
i=time_index(drce->decay);
|
|
self->drce_state.decay=time_constants[i];
|
|
shadow[TAS3004_REG_DRC][5] = 0x40 + (i<<4);
|
|
}
|
|
|
|
if (flags & TAS_DRCE_ENABLE) {
|
|
self->drce_state.enable = drce->enable;
|
|
}
|
|
|
|
if (!self->drce_state.enable) {
|
|
shadow[TAS3004_REG_DRC][0] |= 0x01;
|
|
}
|
|
|
|
#ifdef DEBUG_DRCE
|
|
printk("DRCE: set [ ENABLE:%x ABOVE:%x/%x BELOW:%x/%x THRESH:%x ENERGY:%x ATTACK:%x DECAY:%x\n",
|
|
self->drce_state.enable,
|
|
self->drce_state.above.expand,self->drce_state.above.val,
|
|
self->drce_state.below.expand,self->drce_state.below.val,
|
|
self->drce_state.threshold,
|
|
self->drce_state.energy,
|
|
self->drce_state.attack,
|
|
self->drce_state.decay);
|
|
|
|
printk("DRCE: reg [ %02x %02x %02x %02x %02x %02x ]\n",
|
|
(unsigned char)shadow[TAS3004_REG_DRC][0],
|
|
(unsigned char)shadow[TAS3004_REG_DRC][1],
|
|
(unsigned char)shadow[TAS3004_REG_DRC][2],
|
|
(unsigned char)shadow[TAS3004_REG_DRC][3],
|
|
(unsigned char)shadow[TAS3004_REG_DRC][4],
|
|
(unsigned char)shadow[TAS3004_REG_DRC][5]);
|
|
#endif
|
|
|
|
return tas3004_sync_register(self, TAS3004_REG_DRC);
|
|
}
|
|
|
|
static int
|
|
tas3004_drce_rw( struct tas3004_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: input [ FLAGS:%x ENABLE:%x ABOVE:%x/%x BELOW:%x/%x THRESH:%x ENERGY:%x ATTACK:%x DECAY:%x\n",
|
|
drce_ctrl.flags,
|
|
drce_ctrl.data.enable,
|
|
drce_ctrl.data.above.expand,drce_ctrl.data.above.val,
|
|
drce_ctrl.data.below.expand,drce_ctrl.data.below.val,
|
|
drce_ctrl.data.threshold,
|
|
drce_ctrl.data.energy,
|
|
drce_ctrl.data.attack,
|
|
drce_ctrl.data.decay);
|
|
#endif
|
|
|
|
if (cmd & SIOC_IN) {
|
|
rc = tas3004_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_ABOVE_RATIO)
|
|
drce_ctrl.data.above = self->drce_state.above;
|
|
if (drce_ctrl.flags & TAS_DRCE_BELOW_RATIO)
|
|
drce_ctrl.data.below = self->drce_state.below;
|
|
if (drce_ctrl.flags & TAS_DRCE_THRESHOLD)
|
|
drce_ctrl.data.threshold = self->drce_state.threshold;
|
|
if (drce_ctrl.flags & TAS_DRCE_ENERGY)
|
|
drce_ctrl.data.energy = self->drce_state.energy;
|
|
if (drce_ctrl.flags & TAS_DRCE_ATTACK)
|
|
drce_ctrl.data.attack = self->drce_state.attack;
|
|
if (drce_ctrl.flags & TAS_DRCE_DECAY)
|
|
drce_ctrl.data.decay = self->drce_state.decay;
|
|
|
|
if (copy_to_user(argp, &drce_ctrl,
|
|
sizeof(struct tas_drce_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
tas3004_update_device_parameters(struct tas3004_data_t *self)
|
|
{
|
|
char data;
|
|
int i;
|
|
|
|
if (!self) return;
|
|
|
|
if (self->output_id == TAS_OUTPUT_HEADPHONES) {
|
|
/* turn on allPass when headphones are plugged in */
|
|
data = 0x02;
|
|
} else {
|
|
data = 0x00;
|
|
}
|
|
|
|
tas3004_write_register(self, TAS3004_REG_MCR2, &data, WRITE_NORMAL | FORCE_WRITE);
|
|
|
|
for (i=0; tas3004_eq_prefs[i]; i++) {
|
|
struct tas_eq_pref_t *eq = tas3004_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)) {
|
|
|
|
tas3004_update_drce(self, TAS_DRCE_ALL, eq->drce);
|
|
tas3004_write_biquad_list(self, eq->filter_count, TAS_BIQUAD_FAST_LOAD, eq->biquads);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
tas3004_device_change_handler(void *self)
|
|
{
|
|
if (!self) return;
|
|
|
|
tas3004_update_device_parameters((struct tas3004_data_t *)self);
|
|
}
|
|
|
|
static struct work_struct device_change;
|
|
|
|
static int
|
|
tas3004_output_device_change( struct tas3004_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
|
|
tas3004_device_ioctl( struct tas3004_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 tas3004_eq_rw(self, cmd, arg);
|
|
|
|
case TAS_READ_EQ_LIST:
|
|
case TAS_WRITE_EQ_LIST:
|
|
return tas3004_eq_list_rw(self, cmd, arg);
|
|
|
|
case TAS_READ_EQ_FILTER_COUNT:
|
|
put_user(TAS3004_BIQUAD_FILTER_COUNT, argp);
|
|
return 0;
|
|
|
|
case TAS_READ_EQ_CHANNEL_COUNT:
|
|
put_user(TAS3004_BIQUAD_CHANNEL_COUNT, argp);
|
|
return 0;
|
|
|
|
case TAS_READ_DRCE:
|
|
case TAS_WRITE_DRCE:
|
|
return tas3004_drce_rw(self, cmd, arg);
|
|
|
|
case TAS_READ_DRCE_CAPS:
|
|
put_user(TAS_DRCE_ENABLE |
|
|
TAS_DRCE_ABOVE_RATIO |
|
|
TAS_DRCE_BELOW_RATIO |
|
|
TAS_DRCE_THRESHOLD |
|
|
TAS_DRCE_ENERGY |
|
|
TAS_DRCE_ATTACK |
|
|
TAS_DRCE_DECAY,
|
|
argp);
|
|
return 0;
|
|
|
|
case TAS_READ_DRCE_MIN:
|
|
case TAS_READ_DRCE_MAX: {
|
|
struct tas_drce_ctrl_t drce_ctrl;
|
|
const struct tas_drce_t *drce_copy;
|
|
|
|
if (copy_from_user(&drce_ctrl, argp,
|
|
sizeof(struct tas_drce_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (cmd == TAS_READ_DRCE_MIN) {
|
|
drce_copy=&tas3004_drce_min;
|
|
} else {
|
|
drce_copy=&tas3004_drce_max;
|
|
}
|
|
|
|
if (drce_ctrl.flags & TAS_DRCE_ABOVE_RATIO) {
|
|
drce_ctrl.data.above=drce_copy->above;
|
|
}
|
|
if (drce_ctrl.flags & TAS_DRCE_BELOW_RATIO) {
|
|
drce_ctrl.data.below=drce_copy->below;
|
|
}
|
|
if (drce_ctrl.flags & TAS_DRCE_THRESHOLD) {
|
|
drce_ctrl.data.threshold=drce_copy->threshold;
|
|
}
|
|
if (drce_ctrl.flags & TAS_DRCE_ENERGY) {
|
|
drce_ctrl.data.energy=drce_copy->energy;
|
|
}
|
|
if (drce_ctrl.flags & TAS_DRCE_ATTACK) {
|
|
drce_ctrl.data.attack=drce_copy->attack;
|
|
}
|
|
if (drce_ctrl.flags & TAS_DRCE_DECAY) {
|
|
drce_ctrl.data.decay=drce_copy->decay;
|
|
}
|
|
|
|
if (copy_to_user(argp, &drce_ctrl,
|
|
sizeof(struct tas_drce_ctrl_t))) {
|
|
return -EFAULT;
|
|
}
|
|
}
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int
|
|
tas3004_init_mixer(struct tas3004_data_t *self)
|
|
{
|
|
unsigned char mcr = (1<<6)+(2<<4)+(2<<2);
|
|
|
|
/* Make sure something answers on the i2c bus */
|
|
if (tas3004_write_register(self, TAS3004_REG_MCR, &mcr,
|
|
WRITE_NORMAL | FORCE_WRITE) < 0)
|
|
return -1;
|
|
|
|
tas3004_fast_load(self, 1);
|
|
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD0);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD1);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD2);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD3);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD4);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD5);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_RIGHT_BIQUAD6);
|
|
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD0);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD1);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD2);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD3);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD4);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD5);
|
|
(void)tas3004_sync_register(self,TAS3004_REG_LEFT_BIQUAD6);
|
|
|
|
tas3004_sync_register(self, TAS3004_REG_DRC);
|
|
|
|
tas3004_sync_register(self, TAS3004_REG_MCR2);
|
|
|
|
tas3004_fast_load(self, 0);
|
|
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_VOLUME, VOL_DEFAULT<<8 | VOL_DEFAULT);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_PCM, INPUT_DEFAULT<<8 | INPUT_DEFAULT);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_ALTPCM, 0);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_IMIX, 0);
|
|
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_BASS, BASS_DEFAULT);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_TREBLE, TREBLE_DEFAULT);
|
|
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_LINE,SW_INPUT_VOLUME_DEFAULT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3004_uninit_mixer(struct tas3004_data_t *self)
|
|
{
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_VOLUME, 0);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_PCM, 0);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_ALTPCM, 0);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_IMIX, 0);
|
|
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_BASS, 0);
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_TREBLE, 0);
|
|
|
|
tas3004_set_mixer_level(self, SOUND_MIXER_LINE, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
tas3004_init(struct i2c_client *client)
|
|
{
|
|
struct tas3004_data_t *self;
|
|
size_t sz = sizeof(*self) + (TAS3004_REG_MAX*sizeof(tas_shadow_t));
|
|
char drce_init[] = { 0x69, 0x22, 0x9f, 0xb0, 0x60, 0xa0 };
|
|
char mcr2 = 0;
|
|
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 < TAS3004_BIQUAD_CHANNEL_COUNT; i++)
|
|
for (j = 0; j<TAS3004_BIQUAD_FILTER_COUNT; j++)
|
|
tas3004_write_biquad_shadow(self, i, j,
|
|
&tas3004_eq_unity);
|
|
|
|
tas3004_write_register(self, TAS3004_REG_MCR2, &mcr2, WRITE_SHADOW);
|
|
tas3004_write_register(self, TAS3004_REG_DRC, drce_init, WRITE_SHADOW);
|
|
|
|
INIT_WORK(&device_change, tas3004_device_change_handler, self);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
tas3004_uninit(struct tas3004_data_t *self)
|
|
{
|
|
tas3004_uninit_mixer(self);
|
|
kfree(self);
|
|
}
|
|
|
|
|
|
struct tas_driver_hooks_t tas3004_hooks = {
|
|
.init = (tas_hook_init_t)tas3004_init,
|
|
.post_init = (tas_hook_post_init_t)tas3004_init_mixer,
|
|
.uninit = (tas_hook_uninit_t)tas3004_uninit,
|
|
.get_mixer_level = (tas_hook_get_mixer_level_t)tas3004_get_mixer_level,
|
|
.set_mixer_level = (tas_hook_set_mixer_level_t)tas3004_set_mixer_level,
|
|
.enter_sleep = (tas_hook_enter_sleep_t)tas3004_enter_sleep,
|
|
.leave_sleep = (tas_hook_leave_sleep_t)tas3004_leave_sleep,
|
|
.supported_mixers = (tas_hook_supported_mixers_t)tas3004_supported_mixers,
|
|
.mixer_is_stereo = (tas_hook_mixer_is_stereo_t)tas3004_mixer_is_stereo,
|
|
.stereo_mixers = (tas_hook_stereo_mixers_t)tas3004_stereo_mixers,
|
|
.output_device_change = (tas_hook_output_device_change_t)tas3004_output_device_change,
|
|
.device_ioctl = (tas_hook_device_ioctl_t)tas3004_device_ioctl
|
|
};
|
|
|