diff options
Diffstat (limited to 'sound/i2c')
| -rw-r--r-- | sound/i2c/l3/uda1341.c | 170 |
1 files changed, 135 insertions, 35 deletions
diff --git a/sound/i2c/l3/uda1341.c b/sound/i2c/l3/uda1341.c index 103a7dcd0dde..bc7eb23e615f 100644 --- a/sound/i2c/l3/uda1341.c +++ b/sound/i2c/l3/uda1341.c @@ -17,7 +17,7 @@ * 2002-05-12 Tomas Kasparek another code cleanup */ -/* $Id: uda1341.c,v 1.16 2005/09/09 13:22:34 tiwai Exp $ */ +/* $Id: uda1341.c,v 1.17 2005/11/17 10:25:22 tiwai Exp $ */ #include <sound/driver.h> #include <linux/module.h> @@ -56,6 +56,33 @@ /* }}} */ + +static const char *peak_names[] = { + "before", + "after", +}; + +static const char *filter_names[] = { + "flat", + "min", + "min", + "max", +}; + +static const char *mixer_names[] = { + "double differential", + "input channel 1 (line in)", + "input channel 2 (microphone)", + "digital mixer", +}; + +static const char *deemp_names[] = { + "none", + "32 kHz", + "44.1 kHz", + "48 kHz", +}; + enum uda1341_regs_names { stat0, stat1, @@ -73,7 +100,7 @@ enum uda1341_regs_names { uda1341_reg_last, }; -const char *uda1341_reg_names[] = { +static const char *uda1341_reg_names[] = { "stat 0 ", "stat 1 ", "data 00", @@ -89,7 +116,7 @@ const char *uda1341_reg_names[] = { "ext 6", }; -const int uda1341_enum_items[] = { +static 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 @@ -100,7 +127,7 @@ const int uda1341_enum_items[] = { 0, 0, 0, 0, 0, }; -const char ** uda1341_enum_names[] = { +static 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 @@ -129,11 +156,9 @@ struct uda1341 { #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){ +static void int2str_bin8(uint8_t val, char *buf) +{ const int size = sizeof(val) * 8; int i; @@ -146,7 +171,7 @@ void int2str_bin8(uint8_t val, char *buf){ /* {{{ HW manipulation routines */ -int snd_uda1341_codec_write(struct l3_client *clnt, unsigned short reg, unsigned short val) +static 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 @@ -171,7 +196,7 @@ int snd_uda1341_codec_write(struct l3_client *clnt, unsigned short reg, unsigned return err; } -int snd_uda1341_codec_read(struct l3_client *clnt, unsigned short reg) +static int snd_uda1341_codec_read(struct l3_client *clnt, unsigned short reg) { unsigned char val; int err; @@ -188,8 +213,9 @@ static inline int snd_uda1341_valid_reg(struct l3_client *clnt, unsigned short r 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) +static 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; @@ -214,8 +240,8 @@ int snd_uda1341_update_bits(struct l3_client *clnt, unsigned short reg, unsigned return change; } -int snd_uda1341_cfg_write(struct l3_client *clnt, unsigned short what, - unsigned short value, int flush) +static 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; @@ -327,6 +353,81 @@ int snd_uda1341_cfg_write(struct l3_client *clnt, unsigned short what, /* }}} */ /* {{{ Proc interface */ +#ifdef CONFIG_PROC_FS + +static const char *format_names[] = { + "I2S-bus", + "LSB 16bits", + "LSB 18bits", + "LSB 20bits", + "MSB", + "in LSB 16bits/out MSB", + "in LSB 18bits/out MSB", + "in LSB 20bits/out MSB", +}; + +static const char *fs_names[] = { + "512*fs", + "384*fs", + "256*fs", + "Unused - bad value!", +}; + +static const char* bass_values[][16] = { + {"0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", + "0 dB", "0 dB", "0 dB", "0 dB", "undefined", }, //flat + {"0 dB", "2 dB", "4 dB", "6 dB", "8 dB", "10 dB", "12 dB", "14 dB", "16 dB", "18 dB", "18 dB", + "18 dB", "18 dB", "18 dB", "18 dB", "undefined",}, // min + {"0 dB", "2 dB", "4 dB", "6 dB", "8 dB", "10 dB", "12 dB", "14 dB", "16 dB", "18 dB", "18 dB", + "18 dB", "18 dB", "18 dB", "18 dB", "undefined",}, // min + {"0 dB", "2 dB", "4 dB", "6 dB", "8 dB", "10 dB", "12 dB", "14 dB", "16 dB", "18 dB", "20 dB", + "22 dB", "24 dB", "24 dB", "24 dB", "undefined",}, // max +}; + +static const char *mic_sens_value[] = { + "-3 dB", "0 dB", "3 dB", "9 dB", "15 dB", "21 dB", "27 dB", "not used", +}; + +static const unsigned short AGC_atime[] = { + 11, 16, 11, 16, 21, 11, 16, 21, +}; + +static const unsigned short AGC_dtime[] = { + 100, 100, 200, 200, 200, 400, 400, 400, +}; + +static const char *AGC_level[] = { + "-9.0", "-11.5", "-15.0", "-17.5", +}; + +static const char *ig_small_value[] = { + "-3.0", "-2.5", "-2.0", "-1.5", "-1.0", "-0.5", +}; + +/* + * this was computed as peak_value[i] = pow((63-i)*1.42,1.013) + * + * UDA1341 datasheet on page 21: Peak value (dB) = (Peak level - 63.5)*5*log2 + * There is an table with these values [level]=value: [3]=-90.31, [7]=-84.29 + * [61]=-2.78, [62] = -1.48, [63] = 0.0 + * I tried to compute it, but using but even using logarithm with base either 10 or 2 + * i was'n able to get values in the table from the formula. So I constructed another + * formula (see above) to interpolate the values as good as possible. If there is some + * mistake, please contact me on tomas.kasparek@seznam.cz. Thanks. + * UDA1341TS datasheet is available at: + * http://www-us9.semiconductors.com/acrobat/datasheets/UDA1341TS_3.pdf + */ +static const char *peak_value[] = { + "-INF dB", "N.A.", "N.A", "90.31 dB", "N.A.", "N.A.", "N.A.", "-84.29 dB", + "-82.65 dB", "-81.13 dB", "-79.61 dB", "-78.09 dB", "-76.57 dB", "-75.05 dB", "-73.53 dB", + "-72.01 dB", "-70.49 dB", "-68.97 dB", "-67.45 dB", "-65.93 dB", "-64.41 dB", "-62.90 dB", + "-61.38 dB", "-59.86 dB", "-58.35 dB", "-56.83 dB", "-55.32 dB", "-53.80 dB", "-52.29 dB", + "-50.78 dB", "-49.26 dB", "-47.75 dB", "-46.24 dB", "-44.73 dB", "-43.22 dB", "-41.71 dB", + "-40.20 dB", "-38.69 dB", "-37.19 dB", "-35.68 dB", "-34.17 dB", "-32.67 dB", "-31.17 dB", + "-29.66 dB", "-28.16 dB", "-26.66 dB", "-25.16 dB", "-23.66 dB", "-22.16 dB", "-20.67 dB", + "-19.17 dB", "-17.68 dB", "-16.19 dB", "-14.70 dB", "-13.21 dB", "-11.72 dB", "-10.24 dB", + "-8.76 dB", "-7.28 dB", "-5.81 dB", "-4.34 dB", "-2.88 dB", "-1.43 dB", "0.00 dB", +}; static void snd_uda1341_proc_read(snd_info_entry_t *entry, snd_info_buffer_t * buffer) @@ -401,7 +502,6 @@ static void snd_uda1341_proc_regs_read(snd_info_entry_t *entry, int reg; char buf[12]; - spin_lock(&uda->reg_lock); for (reg = 0; reg < uda1341_reg_last; reg ++) { if (reg == empty) continue; @@ -411,9 +511,8 @@ static void snd_uda1341_proc_regs_read(snd_info_entry_t *entry, int2str_bin8(snd_uda1341_codec_read(clnt, UDA1341_DATA1), buf); snd_iprintf(buffer, "DATA1 = %s\n", buf); - - spin_unlock(&uda->reg_lock); } +#endif /* CONFIG_PROC_FS */ static void __devinit snd_uda1341_proc_init(snd_card_t *card, struct l3_client *clnt) { @@ -647,10 +746,10 @@ static snd_kcontrol_new_t snd_uda1341_controls[] = { 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) +static void uda1341_free(struct l3_client *clnt) { - l3_detach_client(uda1341); // calls kfree for driver_data (uda1341_t) - kfree(uda1341); + l3_detach_client(clnt); // calls kfree for driver_data (uda1341_t) + kfree(clnt); } static int uda1341_dev_free(snd_device_t *device) @@ -660,41 +759,42 @@ static int uda1341_dev_free(snd_device_t *device) return 0; } -int __init snd_chip_uda1341_mixer_new(snd_card_t *card, struct l3_client **clnt) +int __init snd_chip_uda1341_mixer_new(snd_card_t *card, struct l3_client **clntp) { static snd_device_ops_t ops = { .dev_free = uda1341_dev_free, }; - struct l3_client *uda1341; + struct l3_client *clnt; int idx, err; snd_assert(card != NULL, return -EINVAL); - uda1341 = kzalloc(sizeof(*uda1341), GFP_KERNEL); - if (uda1341 == NULL) + clnt = kzalloc(sizeof(*clnt), GFP_KERNEL); + if (clnt == 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); + if ((err = l3_attach_client(clnt, "l3-bit-sa1100-gpio", UDA1341_ALSA_NAME))) { + kfree(clnt); 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) + if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_uda1341_controls[idx], clnt))) < 0) { + uda1341_free(clnt); return err; + } + } + + if ((err = snd_device_new(card, SNDRV_DEV_CODEC, clnt, &ops)) < 0) { + uda1341_free(clnt); + return err; } - *clnt = uda1341; + *clntp = clnt; strcpy(card->mixername, "UDA1341TS Mixer"); ((uda1341_t *)uda1341->driver_data)->card = card; - snd_uda1341_proc_init(card, uda1341); + snd_uda1341_proc_init(card, clnt); return 0; } |
