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Diffstat (limited to 'sound/i2c/l3/uda1341.c')
| -rw-r--r-- | sound/i2c/l3/uda1341.c | 830 |
1 files changed, 830 insertions, 0 deletions
diff --git a/sound/i2c/l3/uda1341.c b/sound/i2c/l3/uda1341.c new file mode 100644 index 0000000..e13122f --- /dev/null +++ b/sound/i2c/l3/uda1341.c @@ -0,0 +1,830 @@ +/* + * Philips UDA1341 mixer device driver + * Copyright (c) 2002 Tomas Kasparek <tomas.kasparek@seznam.cz> + * + * Portions are Copyright (C) 2000 Lernout & Hauspie Speech Products, N.V. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License. + * + * History: + * + * 2002-03-13 Tomas Kasparek initial release - based on uda1341.c from OSS + * 2002-03-28 Tomas Kasparek basic mixer is working (volume, bass, treble) + * 2002-03-30 Tomas Kasparek proc filesystem support, complete mixer and DSP + * features support + * 2002-04-12 Tomas Kasparek proc interface update, code cleanup + * 2002-05-12 Tomas Kasparek another code cleanup + */ + +/* $Id: uda1341.c,v 1.15 2005/01/03 12:05:20 tiwai Exp $ */ + +#include <sound/driver.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/errno.h> +#include <linux/ioctl.h> + +#include <asm/uaccess.h> + +#include <sound/core.h> +#include <sound/control.h> +#include <sound/initval.h> +#include <sound/info.h> + +#include <linux/l3/l3.h> + +#include <sound/uda1341.h> + +/* {{{ HW regs definition */ + +#define STAT0 0x00 +#define STAT1 0x80 +#define STAT_MASK 0x80 + +#define DATA0_0 0x00 +#define DATA0_1 0x40 +#define DATA0_2 0x80 +#define DATA_MASK 0xc0 + +#define IS_DATA0(x) ((x) >= data0_0 && (x) <= data0_2) +#define IS_DATA1(x) ((x) == data1) +#define IS_STATUS(x) ((x) == stat0 || (x) == stat1) +#define IS_EXTEND(x) ((x) >= ext0 && (x) <= ext6) + +/* }}} */ + +enum uda1341_regs_names { + stat0, + stat1, + data0_0, + data0_1, + data0_2, + data1, + ext0, + ext1, + ext2, + empty, + ext4, + ext5, + ext6, + uda1341_reg_last, +}; + +const char *uda1341_reg_names[] = { + "stat 0 ", + "stat 1 ", + "data 00", + "data 01", + "data 02", + "data 1 ", + "ext 0", + "ext 1", + "ext 2", + "empty", + "ext 4", + "ext 5", + "ext 6", +}; + +const int uda1341_enum_items[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 2, //peak - before/after + 4, //deemp - none/32/44.1/48 + 0, + 4, //filter - flat/min/min/max + 0, 0, 0, + 4, //mixer - differ/line/mic/mixer + 0, 0, 0, 0, 0, +}; + +const char ** uda1341_enum_names[] = { + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + peak_names, //peak - before/after + deemp_names, //deemp - none/32/44.1/48 + NULL, + filter_names, //filter - flat/min/min/max + NULL, NULL, NULL, + mixer_names, //mixer - differ/line/mic/mixer + NULL, NULL, NULL, NULL, NULL, +}; + +typedef int uda1341_cfg[CMD_LAST]; + +typedef struct uda1341 uda1341_t; + +struct uda1341 { + int (*write) (struct l3_client *uda1341, unsigned short reg, unsigned short val); + int (*read) (struct l3_client *uda1341, unsigned short reg); + unsigned char regs[uda1341_reg_last]; + int active; + spinlock_t reg_lock; + snd_card_t *card; + uda1341_cfg cfg; +#ifdef CONFIG_PM + unsigned char suspend_regs[uda1341_reg_last]; + uda1341_cfg suspend_cfg; +#endif +}; + +//hack for ALSA magic casting +typedef struct l3_client l3_client_t; + +/* transfer 8bit integer into string with binary representation */ +void int2str_bin8(uint8_t val, char *buf){ + const int size = sizeof(val) * 8; + int i; + + for (i= 0; i < size; i++){ + *(buf++) = (val >> (size - 1)) ? '1' : '0'; + val <<= 1; + } + *buf = '\0'; //end the string with zero +} + +/* {{{ HW manipulation routines */ + +int snd_uda1341_codec_write(struct l3_client *clnt, unsigned short reg, unsigned short val) +{ + struct uda1341 *uda = clnt->driver_data; + unsigned char buf[2] = { 0xc0, 0xe0 }; // for EXT addressing + int err = 0; + + uda->regs[reg] = val; + + if (uda->active) { + if (IS_DATA0(reg)) { + err = l3_write(clnt, UDA1341_DATA0, (const unsigned char *)&val, 1); + } else if (IS_DATA1(reg)) { + err = l3_write(clnt, UDA1341_DATA1, (const unsigned char *)&val, 1); + } else if (IS_STATUS(reg)) { + err = l3_write(clnt, UDA1341_STATUS, (const unsigned char *)&val, 1); + } else if (IS_EXTEND(reg)) { + buf[0] |= (reg - ext0) & 0x7; //EXT address + buf[1] |= val; //EXT data + err = l3_write(clnt, UDA1341_DATA0, (const unsigned char *)buf, 2); + } + } else + printk(KERN_ERR "UDA1341 codec not active!\n"); + return err; +} + +int snd_uda1341_codec_read(struct l3_client *clnt, unsigned short reg) +{ + unsigned char val; + int err; + + err = l3_read(clnt, reg, &val, 1); + if (err == 1) + // use just 6bits - the rest is address of the reg + return val & 63; + return err < 0 ? err : -EIO; +} + +static inline int snd_uda1341_valid_reg(struct l3_client *clnt, unsigned short reg) +{ + return reg < uda1341_reg_last; +} + +int snd_uda1341_update_bits(struct l3_client *clnt, unsigned short reg, unsigned short mask, + unsigned short shift, unsigned short value, int flush) +{ + int change; + unsigned short old, new; + struct uda1341 *uda = clnt->driver_data; + +#if 0 + printk(KERN_DEBUG "update_bits: reg: %s mask: %d shift: %d val: %d\n", + uda1341_reg_names[reg], mask, shift, value); +#endif + + if (!snd_uda1341_valid_reg(clnt, reg)) + return -EINVAL; + spin_lock(&uda->reg_lock); + old = uda->regs[reg]; + new = (old & ~(mask << shift)) | (value << shift); + change = old != new; + if (change) { + if (flush) uda->write(clnt, reg, new); + uda->regs[reg] = new; + } + spin_unlock(&uda->reg_lock); + return change; +} + +int snd_uda1341_cfg_write(struct l3_client *clnt, unsigned short what, + unsigned short value, int flush) +{ + struct uda1341 *uda = clnt->driver_data; + int ret = 0; +#ifdef CONFIG_PM + int reg; +#endif + +#if 0 + printk(KERN_DEBUG "cfg_write what: %d value: %d\n", what, value); +#endif + + uda->cfg[what] = value; + + switch(what) { + case CMD_RESET: + ret = snd_uda1341_update_bits(clnt, data0_2, 1, 2, 1, flush); // MUTE + ret = snd_uda1341_update_bits(clnt, stat0, 1, 6, 1, flush); // RESET + ret = snd_uda1341_update_bits(clnt, stat0, 1, 6, 0, flush); // RESTORE + uda->cfg[CMD_RESET]=0; + break; + case CMD_FS: + ret = snd_uda1341_update_bits(clnt, stat0, 3, 4, value, flush); + break; + case CMD_FORMAT: + ret = snd_uda1341_update_bits(clnt, stat0, 7, 1, value, flush); + break; + case CMD_OGAIN: + ret = snd_uda1341_update_bits(clnt, stat1, 1, 6, value, flush); + break; + case CMD_IGAIN: + ret = snd_uda1341_update_bits(clnt, stat1, 1, 5, value, flush); + break; + case CMD_DAC: + ret = snd_uda1341_update_bits(clnt, stat1, 1, 0, value, flush); + break; + case CMD_ADC: + ret = snd_uda1341_update_bits(clnt, stat1, 1, 1, value, flush); + break; + case CMD_VOLUME: + ret = snd_uda1341_update_bits(clnt, data0_0, 63, 0, value, flush); + break; + case CMD_BASS: + ret = snd_uda1341_update_bits(clnt, data0_1, 15, 2, value, flush); + break; + case CMD_TREBBLE: + ret = snd_uda1341_update_bits(clnt, data0_1, 3, 0, value, flush); + break; + case CMD_PEAK: + ret = snd_uda1341_update_bits(clnt, data0_2, 1, 5, value, flush); + break; + case CMD_DEEMP: + ret = snd_uda1341_update_bits(clnt, data0_2, 3, 3, value, flush); + break; + case CMD_MUTE: + ret = snd_uda1341_update_bits(clnt, data0_2, 1, 2, value, flush); + break; + case CMD_FILTER: + ret = snd_uda1341_update_bits(clnt, data0_2, 3, 0, value, flush); + break; + case CMD_CH1: + ret = snd_uda1341_update_bits(clnt, ext0, 31, 0, value, flush); + break; + case CMD_CH2: + ret = snd_uda1341_update_bits(clnt, ext1, 31, 0, value, flush); + break; + case CMD_MIC: + ret = snd_uda1341_update_bits(clnt, ext2, 7, 2, value, flush); + break; + case CMD_MIXER: + ret = snd_uda1341_update_bits(clnt, ext2, 3, 0, value, flush); + break; + case CMD_AGC: + ret = snd_uda1341_update_bits(clnt, ext4, 1, 4, value, flush); + break; + case CMD_IG: + ret = snd_uda1341_update_bits(clnt, ext4, 3, 0, value & 0x3, flush); + ret = snd_uda1341_update_bits(clnt, ext5, 31, 0, value >> 2, flush); + break; + case CMD_AGC_TIME: + ret = snd_uda1341_update_bits(clnt, ext6, 7, 2, value, flush); + break; + case CMD_AGC_LEVEL: + ret = snd_uda1341_update_bits(clnt, ext6, 3, 0, value, flush); + break; +#ifdef CONFIG_PM + case CMD_SUSPEND: + for (reg = stat0; reg < uda1341_reg_last; reg++) + uda->suspend_regs[reg] = uda->regs[reg]; + for (reg = 0; reg < CMD_LAST; reg++) + uda->suspend_cfg[reg] = uda->cfg[reg]; + break; + case CMD_RESUME: + for (reg = stat0; reg < uda1341_reg_last; reg++) + snd_uda1341_codec_write(clnt, reg, uda->suspend_regs[reg]); + for (reg = 0; reg < CMD_LAST; reg++) + uda->cfg[reg] = uda->suspend_cfg[reg]; + break; +#endif + default: + ret = -EINVAL; + break; + } + + if (!uda->active) + printk(KERN_ERR "UDA1341 codec not active!\n"); + return ret; +} + +/* }}} */ + +/* {{{ Proc interface */ + +static void snd_uda1341_proc_read(snd_info_entry_t *entry, + snd_info_buffer_t * buffer) +{ + struct l3_client *clnt = entry->private_data; + struct uda1341 *uda = clnt->driver_data; + int peak; + + peak = snd_uda1341_codec_read(clnt, UDA1341_DATA1); + if (peak < 0) + peak = 0; + + snd_iprintf(buffer, "%s\n\n", uda->card->longname); + + // for information about computed values see UDA1341TS datasheet pages 15 - 21 + snd_iprintf(buffer, "DAC power : %s\n", uda->cfg[CMD_DAC] ? "on" : "off"); + snd_iprintf(buffer, "ADC power : %s\n", uda->cfg[CMD_ADC] ? "on" : "off"); + snd_iprintf(buffer, "Clock frequency : %s\n", fs_names[uda->cfg[CMD_FS]]); + snd_iprintf(buffer, "Data format : %s\n\n", format_names[uda->cfg[CMD_FORMAT]]); + + snd_iprintf(buffer, "Filter mode : %s\n", filter_names[uda->cfg[CMD_FILTER]]); + snd_iprintf(buffer, "Mixer mode : %s\n", mixer_names[uda->cfg[CMD_MIXER]]); + snd_iprintf(buffer, "De-emphasis : %s\n", deemp_names[uda->cfg[CMD_DEEMP]]); + snd_iprintf(buffer, "Peak detection pos. : %s\n", uda->cfg[CMD_PEAK] ? "after" : "before"); + snd_iprintf(buffer, "Peak value : %s\n\n", peak_value[peak]); + + snd_iprintf(buffer, "Automatic Gain Ctrl : %s\n", uda->cfg[CMD_AGC] ? "on" : "off"); + snd_iprintf(buffer, "AGC attack time : %d ms\n", AGC_atime[uda->cfg[CMD_AGC_TIME]]); + snd_iprintf(buffer, "AGC decay time : %d ms\n", AGC_dtime[uda->cfg[CMD_AGC_TIME]]); + snd_iprintf(buffer, "AGC output level : %s dB\n\n", AGC_level[uda->cfg[CMD_AGC_LEVEL]]); + + snd_iprintf(buffer, "Mute : %s\n", uda->cfg[CMD_MUTE] ? "on" : "off"); + + if (uda->cfg[CMD_VOLUME] == 0) + snd_iprintf(buffer, "Volume : 0 dB\n"); + else if (uda->cfg[CMD_VOLUME] < 62) + snd_iprintf(buffer, "Volume : %d dB\n", -1*uda->cfg[CMD_VOLUME] +1); + else + snd_iprintf(buffer, "Volume : -INF dB\n"); + snd_iprintf(buffer, "Bass : %s\n", bass_values[uda->cfg[CMD_FILTER]][uda->cfg[CMD_BASS]]); + snd_iprintf(buffer, "Trebble : %d dB\n", uda->cfg[CMD_FILTER] ? 2*uda->cfg[CMD_TREBBLE] : 0); + snd_iprintf(buffer, "Input Gain (6dB) : %s\n", uda->cfg[CMD_IGAIN] ? "on" : "off"); + snd_iprintf(buffer, "Output Gain (6dB) : %s\n", uda->cfg[CMD_OGAIN] ? "on" : "off"); + snd_iprintf(buffer, "Mic sensitivity : %s\n", mic_sens_value[uda->cfg[CMD_MIC]]); + + + if(uda->cfg[CMD_CH1] < 31) + snd_iprintf(buffer, "Mixer gain channel 1: -%d.%c dB\n", + ((uda->cfg[CMD_CH1] >> 1) * 3) + (uda->cfg[CMD_CH1] & 1), + uda->cfg[CMD_CH1] & 1 ? '5' : '0'); + else + snd_iprintf(buffer, "Mixer gain channel 1: -INF dB\n"); + if(uda->cfg[CMD_CH2] < 31) + snd_iprintf(buffer, "Mixer gain channel 2: -%d.%c dB\n", + ((uda->cfg[CMD_CH2] >> 1) * 3) + (uda->cfg[CMD_CH2] & 1), + uda->cfg[CMD_CH2] & 1 ? '5' : '0'); + else + snd_iprintf(buffer, "Mixer gain channel 2: -INF dB\n"); + + if(uda->cfg[CMD_IG] > 5) + snd_iprintf(buffer, "Input Amp. Gain ch 2: %d.%c dB\n", + (uda->cfg[CMD_IG] >> 1) -3, uda->cfg[CMD_IG] & 1 ? '5' : '0'); + else + snd_iprintf(buffer, "Input Amp. Gain ch 2: %s dB\n", ig_small_value[uda->cfg[CMD_IG]]); +} + +static void snd_uda1341_proc_regs_read(snd_info_entry_t *entry, + snd_info_buffer_t * buffer) +{ + struct l3_client *clnt = entry->private_data; + struct uda1341 *uda = clnt->driver_data; + int reg; + char buf[12]; + + spin_lock(&uda->reg_lock); + for (reg = 0; reg < uda1341_reg_last; reg ++) { + if (reg == empty) + continue; + int2str_bin8(uda->regs[reg], buf); + snd_iprintf(buffer, "%s = %s\n", uda1341_reg_names[reg], buf); + } + + int2str_bin8(snd_uda1341_codec_read(clnt, UDA1341_DATA1), buf); + snd_iprintf(buffer, "DATA1 = %s\n", buf); + + spin_unlock(&uda->reg_lock); +} + +static void __devinit snd_uda1341_proc_init(snd_card_t *card, struct l3_client *clnt) +{ + snd_info_entry_t *entry; + + if (! snd_card_proc_new(card, "uda1341", &entry)) + snd_info_set_text_ops(entry, clnt, 1024, snd_uda1341_proc_read); + if (! snd_card_proc_new(card, "uda1341-regs", &entry)) + snd_info_set_text_ops(entry, clnt, 1024, snd_uda1341_proc_regs_read); +} + +/* }}} */ + +/* {{{ Mixer controls setting */ + +/* {{{ UDA1341 single functions */ + +#define UDA1341_SINGLE(xname, where, reg, shift, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_uda1341_info_single, \ + .get = snd_uda1341_get_single, .put = snd_uda1341_put_single, \ + .private_value = where | (reg << 5) | (shift << 9) | (mask << 12) | (invert << 18) \ +} + +static int snd_uda1341_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + int mask = (kcontrol->private_value >> 12) & 63; + + uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = mask; + return 0; +} + +static int snd_uda1341_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + struct l3_client *clnt = snd_kcontrol_chip(kcontrol); + uda1341_t *uda = clnt->driver_data; + int where = kcontrol->private_value & 31; + int mask = (kcontrol->private_value >> 12) & 63; + int invert = (kcontrol->private_value >> 18) & 1; + + ucontrol->value.integer.value[0] = uda->cfg[where]; + if (invert) + ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; + + return 0; +} + +static int snd_uda1341_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + struct l3_client *clnt = snd_kcontrol_chip(kcontrol); + uda1341_t *uda = clnt->driver_data; + int where = kcontrol->private_value & 31; + int reg = (kcontrol->private_value >> 5) & 15; + int shift = (kcontrol->private_value >> 9) & 7; + int mask = (kcontrol->private_value >> 12) & 63; + int invert = (kcontrol->private_value >> 18) & 1; + unsigned short val; + + val = (ucontrol->value.integer.value[0] & mask); + if (invert) + val = mask - val; + + uda->cfg[where] = val; + return snd_uda1341_update_bits(clnt, reg, mask, shift, val, FLUSH); +} + +/* }}} */ + +/* {{{ UDA1341 enum functions */ + +#define UDA1341_ENUM(xname, where, reg, shift, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_uda1341_info_enum, \ + .get = snd_uda1341_get_enum, .put = snd_uda1341_put_enum, \ + .private_value = where | (reg << 5) | (shift << 9) | (mask << 12) | (invert << 18) \ +} + +static int snd_uda1341_info_enum(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + int where = kcontrol->private_value & 31; + const char **texts; + + // this register we don't handle this way + if (!uda1341_enum_items[where]) + return -EINVAL; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = uda1341_enum_items[where]; + + if (uinfo->value.enumerated.item >= uda1341_enum_items[where]) + uinfo->value.enumerated.item = uda1341_enum_items[where] - 1; + + texts = uda1341_enum_names[where]; + strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); + return 0; +} + +static int snd_uda1341_get_enum(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + struct l3_client *clnt = snd_kcontrol_chip(kcontrol); + uda1341_t *uda = clnt->driver_data; + int where = kcontrol->private_value & 31; + + ucontrol->value.enumerated.item[0] = uda->cfg[where]; + return 0; +} + +static int snd_uda1341_put_enum(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + struct l3_client *clnt = snd_kcontrol_chip(kcontrol); + uda1341_t *uda = clnt->driver_data; + int where = kcontrol->private_value & 31; + int reg = (kcontrol->private_value >> 5) & 15; + int shift = (kcontrol->private_value >> 9) & 7; + int mask = (kcontrol->private_value >> 12) & 63; + + uda->cfg[where] = (ucontrol->value.enumerated.item[0] & mask); + + return snd_uda1341_update_bits(clnt, reg, mask, shift, uda->cfg[where], FLUSH); +} + +/* }}} */ + +/* {{{ UDA1341 2regs functions */ + +#define UDA1341_2REGS(xname, where, reg_1, reg_2, shift_1, shift_2, mask_1, mask_2, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .info = snd_uda1341_info_2regs, \ + .get = snd_uda1341_get_2regs, .put = snd_uda1341_put_2regs, \ + .private_value = where | (reg_1 << 5) | (reg_2 << 9) | (shift_1 << 13) | (shift_2 << 16) | \ + (mask_1 << 19) | (mask_2 << 25) | (invert << 31) \ +} + + +static int snd_uda1341_info_2regs(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + int mask_1 = (kcontrol->private_value >> 19) & 63; + int mask_2 = (kcontrol->private_value >> 25) & 63; + int mask; + + mask = (mask_2 + 1) * (mask_1 + 1) - 1; + uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = mask; + return 0; +} + +static int snd_uda1341_get_2regs(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + struct l3_client *clnt = snd_kcontrol_chip(kcontrol); + uda1341_t *uda = clnt->driver_data; + int where = kcontrol->private_value & 31; + int mask_1 = (kcontrol->private_value >> 19) & 63; + int mask_2 = (kcontrol->private_value >> 25) & 63; + int invert = (kcontrol->private_value >> 31) & 1; + int mask; + + mask = (mask_2 + 1) * (mask_1 + 1) - 1; + + ucontrol->value.integer.value[0] = uda->cfg[where]; + if (invert) + ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; + return 0; +} + +static int snd_uda1341_put_2regs(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + struct l3_client *clnt = snd_kcontrol_chip(kcontrol); + uda1341_t *uda = clnt->driver_data; + int where = kcontrol->private_value & 31; + int reg_1 = (kcontrol->private_value >> 5) & 15; + int reg_2 = (kcontrol->private_value >> 9) & 15; + int shift_1 = (kcontrol->private_value >> 13) & 7; + int shift_2 = (kcontrol->private_value >> 16) & 7; + int mask_1 = (kcontrol->private_value >> 19) & 63; + int mask_2 = (kcontrol->private_value >> 25) & 63; + int invert = (kcontrol->private_value >> 31) & 1; + int mask; + unsigned short val1, val2, val; + + val = ucontrol->value.integer.value[0]; + + mask = (mask_2 + 1) * (mask_1 + 1) - 1; + + val1 = val & mask_1; + val2 = (val / (mask_1 + 1)) & mask_2; + + if (invert) { + val1 = mask_1 - val1; + val2 = mask_2 - val2; + } + + uda->cfg[where] = invert ? mask - val : val; + + //FIXME - return value + snd_uda1341_update_bits(clnt, reg_1, mask_1, shift_1, val1, FLUSH); + return snd_uda1341_update_bits(clnt, reg_2, mask_2, shift_2, val2, FLUSH); +} + +/* }}} */ + +static snd_kcontrol_new_t snd_uda1341_controls[] = { + UDA1341_SINGLE("Master Playback Switch", CMD_MUTE, data0_2, 2, 1, 1), + UDA1341_SINGLE("Master Playback Volume", CMD_VOLUME, data0_0, 0, 63, 1), + + UDA1341_SINGLE("Bass Playback Volume", CMD_BASS, data0_1, 2, 15, 0), + UDA1341_SINGLE("Treble Playback Volume", CMD_TREBBLE, data0_1, 0, 3, 0), + + UDA1341_SINGLE("Input Gain Switch", CMD_IGAIN, stat1, 5, 1, 0), + UDA1341_SINGLE("Output Gain Switch", CMD_OGAIN, stat1, 6, 1, 0), + + UDA1341_SINGLE("Mixer Gain Channel 1 Volume", CMD_CH1, ext0, 0, 31, 1), + UDA1341_SINGLE("Mixer Gain Channel 2 Volume", CMD_CH2, ext1, 0, 31, 1), + + UDA1341_SINGLE("Mic Sensitivity Volume", CMD_MIC, ext2, 2, 7, 0), + + UDA1341_SINGLE("AGC Output Level", CMD_AGC_LEVEL, ext6, 0, 3, 0), + UDA1341_SINGLE("AGC Time Constant", CMD_AGC_TIME, ext6, 2, 7, 0), + UDA1341_SINGLE("AGC Time Constant Switch", CMD_AGC, ext4, 4, 1, 0), + + UDA1341_SINGLE("DAC Power", CMD_DAC, stat1, 0, 1, 0), + UDA1341_SINGLE("ADC Power", CMD_ADC, stat1, 1, 1, 0), + + UDA1341_ENUM("Peak detection", CMD_PEAK, data0_2, 5, 1, 0), + UDA1341_ENUM("De-emphasis", CMD_DEEMP, data0_2, 3, 3, 0), + UDA1341_ENUM("Mixer mode", CMD_MIXER, ext2, 0, 3, 0), + UDA1341_ENUM("Filter mode", CMD_FILTER, data0_2, 0, 3, 0), + + UDA1341_2REGS("Gain Input Amplifier Gain (channel 2)", CMD_IG, ext4, ext5, 0, 0, 3, 31, 0), +}; + +static void uda1341_free(struct l3_client *uda1341) +{ + l3_detach_client(uda1341); // calls kfree for driver_data (uda1341_t) + kfree(uda1341); +} + +static int uda1341_dev_free(snd_device_t *device) +{ + struct l3_client *clnt = device->device_data; + uda1341_free(clnt); + return 0; +} + +int __init snd_chip_uda1341_mixer_new(snd_card_t *card, struct l3_client **clnt) +{ + static snd_device_ops_t ops = { + .dev_free = uda1341_dev_free, + }; + struct l3_client *uda1341; + int idx, err; + + snd_assert(card != NULL, return -EINVAL); + + uda1341 = kcalloc(1, sizeof(*uda1341), GFP_KERNEL); + if (uda1341 == NULL) + return -ENOMEM; + + if ((err = l3_attach_client(uda1341, "l3-bit-sa1100-gpio", "snd-uda1341"))) { + kfree(uda1341); + return err; + } + + if ((err = snd_device_new(card, SNDRV_DEV_CODEC, uda1341, &ops)) < 0) { + l3_detach_client(uda1341); + kfree(uda1341); + return err; + } + + for (idx = 0; idx < ARRAY_SIZE(snd_uda1341_controls); idx++) { + if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_uda1341_controls[idx], uda1341))) < 0) + return err; + } + + *clnt = uda1341; + strcpy(card->mixername, "UDA1341TS Mixer"); + ((uda1341_t *)uda1341->driver_data)->card = card; + + snd_uda1341_proc_init(card, uda1341); + + return 0; +} + +/* }}} */ + +/* {{{ L3 operations */ + +static int uda1341_attach(struct l3_client *clnt) +{ + struct uda1341 *uda; + + uda = kcalloc(1, sizeof(*uda), 0, GFP_KERNEL); + if (!uda) + return -ENOMEM; + + /* init fixed parts of my copy of registers */ + uda->regs[stat0] = STAT0; + uda->regs[stat1] = STAT1; + + uda->regs[data0_0] = DATA0_0; + uda->regs[data0_1] = DATA0_1; + uda->regs[data0_2] = DATA0_2; + + uda->write = snd_uda1341_codec_write; + uda->read = snd_uda1341_codec_read; + + spin_lock_init(&uda->reg_lock); + + clnt->driver_data = uda; + return 0; +} + +static void uda1341_detach(struct l3_client *clnt) +{ + kfree(clnt->driver_data); +} + +static int +uda1341_command(struct l3_client *clnt, int cmd, void *arg) +{ + if (cmd != CMD_READ_REG) + return snd_uda1341_cfg_write(clnt, cmd, (int) arg, FLUSH); + + return snd_uda1341_codec_read(clnt, (int) arg); +} + +static int uda1341_open(struct l3_client *clnt) +{ + struct uda1341 *uda = clnt->driver_data; + + uda->active = 1; + + /* init default configuration */ + snd_uda1341_cfg_write(clnt, CMD_RESET, 0, REGS_ONLY); + snd_uda1341_cfg_write(clnt, CMD_FS, F256, FLUSH); // unknown state after reset + snd_uda1341_cfg_write(clnt, CMD_FORMAT, LSB16, FLUSH); // unknown state after reset + snd_uda1341_cfg_write(clnt, CMD_OGAIN, ON, FLUSH); // default off after reset + snd_uda1341_cfg_write(clnt, CMD_IGAIN, ON, FLUSH); // default off after reset + snd_uda1341_cfg_write(clnt, CMD_DAC, ON, FLUSH); // ??? default value after reset + snd_uda1341_cfg_write(clnt, CMD_ADC, ON, FLUSH); // ??? default value after reset + snd_uda1341_cfg_write(clnt, CMD_VOLUME, 20, FLUSH); // default 0dB after reset + snd_uda1341_cfg_write(clnt, CMD_BASS, 0, REGS_ONLY); // default value after reset + snd_uda1341_cfg_write(clnt, CMD_TREBBLE, 0, REGS_ONLY); // default value after reset + snd_uda1341_cfg_write(clnt, CMD_PEAK, AFTER, REGS_ONLY);// default value after reset + snd_uda1341_cfg_write(clnt, CMD_DEEMP, NONE, REGS_ONLY);// default value after reset + //at this moment should be QMUTED by h3600_audio_init + snd_uda1341_cfg_write(clnt, CMD_MUTE, OFF, REGS_ONLY); // default value after reset + snd_uda1341_cfg_write(clnt, CMD_FILTER, MAX, FLUSH); // defaul flat after reset + snd_uda1341_cfg_write(clnt, CMD_CH1, 31, FLUSH); // default value after reset + snd_uda1341_cfg_write(clnt, CMD_CH2, 4, FLUSH); // default value after reset + snd_uda1341_cfg_write(clnt, CMD_MIC, 4, FLUSH); // default 0dB after reset + snd_uda1341_cfg_write(clnt, CMD_MIXER, MIXER, FLUSH); // default doub.dif.mode + snd_uda1341_cfg_write(clnt, CMD_AGC, OFF, FLUSH); // default value after reset + snd_uda1341_cfg_write(clnt, CMD_IG, 0, FLUSH); // unknown state after reset + snd_uda1341_cfg_write(clnt, CMD_AGC_TIME, 0, FLUSH); // default value after reset + snd_uda1341_cfg_write(clnt, CMD_AGC_LEVEL, 0, FLUSH); // default value after reset + + return 0; +} + +static void uda1341_close(struct l3_client *clnt) +{ + struct uda1341 *uda = clnt->driver_data; + + uda->active = 0; +} + +/* }}} */ + +/* {{{ Module and L3 initialization */ + +static struct l3_ops uda1341_ops = { + .open = uda1341_open, + .command = uda1341_command, + .close = uda1341_close, +}; + +static struct l3_driver uda1341_driver = { + .name = UDA1341_ALSA_NAME, + .attach_client = uda1341_attach, + .detach_client = uda1341_detach, + .ops = &uda1341_ops, + .owner = THIS_MODULE, +}; + +static int __init uda1341_init(void) +{ + return l3_add_driver(&uda1341_driver); +} + +static void __exit uda1341_exit(void) +{ + l3_del_driver(&uda1341_driver); +} + +module_init(uda1341_init); +module_exit(uda1341_exit); + +MODULE_AUTHOR("Tomas Kasparek <tomas.kasparek@seznam.cz>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Philips UDA1341 CODEC driver for ALSA"); +MODULE_SUPPORTED_DEVICE("{{UDA1341,UDA1341TS}}"); + +EXPORT_SYMBOL(snd_chip_uda1341_mixer_new); + +/* }}} */ + +/* + * Local variables: + * indent-tabs-mode: t + * End: + */ |
