diff options
Diffstat (limited to 'sound/i2c')
-rw-r--r-- | sound/i2c/other/ak4xxx-adda.c | 136 |
1 files changed, 104 insertions, 32 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c index ee47abab764e..1adb8a3c2b62 100644 --- a/sound/i2c/other/ak4xxx-adda.c +++ b/sound/i2c/other/ak4xxx-adda.c @@ -19,7 +19,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * - */ + */ #include <asm/io.h> #include <linux/delay.h> @@ -29,6 +29,7 @@ #include <sound/control.h> #include <sound/tlv.h> #include <sound/ak4xxx-adda.h> +#include <sound/info.h> MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>"); MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters"); @@ -52,26 +53,21 @@ EXPORT_SYMBOL(snd_akm4xxx_write); static void ak4524_reset(struct snd_akm4xxx *ak, int state) { unsigned int chip; - unsigned char reg, maxreg; + unsigned char reg; - if (ak->type == SND_AK4528) - maxreg = 0x06; - else - maxreg = 0x08; for (chip = 0; chip < ak->num_dacs/2; chip++) { snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03); if (state) continue; /* DAC volumes */ - for (reg = 0x04; reg < maxreg; reg++) + for (reg = 0x04; reg < ak->total_regs; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); } } /* reset procedure for AK4355 and AK4358 */ -static void ak435X_reset(struct snd_akm4xxx *ak, int state, - unsigned char total_regs) +static void ak435X_reset(struct snd_akm4xxx *ak, int state) { unsigned char reg; @@ -79,7 +75,7 @@ static void ak435X_reset(struct snd_akm4xxx *ak, int state, snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */ return; } - for (reg = 0x00; reg < total_regs; reg++) + for (reg = 0x00; reg < ak->total_regs; reg++) if (reg != 0x01) snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg)); @@ -91,12 +87,11 @@ static void ak4381_reset(struct snd_akm4xxx *ak, int state) { unsigned int chip; unsigned char reg; - for (chip = 0; chip < ak->num_dacs/2; chip++) { snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f); if (state) continue; - for (reg = 0x01; reg < 0x05; reg++) + for (reg = 0x01; reg < ak->total_regs; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); } @@ -113,16 +108,17 @@ void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state) switch (ak->type) { case SND_AK4524: case SND_AK4528: + case SND_AK4620: ak4524_reset(ak, state); break; case SND_AK4529: /* FIXME: needed for ak4529? */ break; case SND_AK4355: - ak435X_reset(ak, state, 0x0b); + ak435X_reset(ak, state); break; case SND_AK4358: - ak435X_reset(ak, state, 0x10); + ak435X_reset(ak, state); break; case SND_AK4381: ak4381_reset(ak, state); @@ -139,7 +135,7 @@ EXPORT_SYMBOL(snd_akm4xxx_reset); * Volume conversion table for non-linear volumes * from -63.5dB (mute) to 0dB step 0.5dB * - * Used for AK4524 input/ouput attenuation, AK4528, and + * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and * AK5365 input attenuation */ static const unsigned char vol_cvt_datt[128] = { @@ -259,8 +255,22 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak) 0x00, 0x0f, /* 0: power-up, un-reset */ 0xff, 0xff }; + static const unsigned char inits_ak4620[] = { + 0x00, 0x07, /* 0: normal */ + 0x01, 0x00, /* 0: reset */ + 0x01, 0x02, /* 1: RSTAD */ + 0x01, 0x03, /* 1: RSTDA */ + 0x01, 0x0f, /* 1: normal */ + 0x02, 0x60, /* 2: 24bit I2S */ + 0x03, 0x01, /* 3: deemphasis off */ + 0x04, 0x00, /* 4: LIN muted */ + 0x05, 0x00, /* 5: RIN muted */ + 0x06, 0x00, /* 6: LOUT muted */ + 0x07, 0x00, /* 7: ROUT muted */ + 0xff, 0xff + }; - int chip, num_chips; + int chip; const unsigned char *ptr, *inits; unsigned char reg, data; @@ -270,42 +280,64 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak) switch (ak->type) { case SND_AK4524: inits = inits_ak4524; - num_chips = ak->num_dacs / 2; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4524"; + ak->total_regs = 0x08; break; case SND_AK4528: inits = inits_ak4528; - num_chips = ak->num_dacs / 2; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4528"; + ak->total_regs = 0x06; break; case SND_AK4529: inits = inits_ak4529; - num_chips = 1; + ak->num_chips = 1; + ak->name = "ak4529"; + ak->total_regs = 0x0d; break; case SND_AK4355: inits = inits_ak4355; - num_chips = 1; + ak->num_chips = 1; + ak->name = "ak4355"; + ak->total_regs = 0x0b; break; case SND_AK4358: inits = inits_ak4358; - num_chips = 1; + ak->num_chips = 1; + ak->name = "ak4358"; + ak->total_regs = 0x10; break; case SND_AK4381: inits = inits_ak4381; - num_chips = ak->num_dacs / 2; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4381"; + ak->total_regs = 0x05; break; case SND_AK5365: /* FIXME: any init sequence? */ + ak->num_chips = 1; + ak->name = "ak5365"; + ak->total_regs = 0x08; return; + case SND_AK4620: + inits = inits_ak4620; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4620"; + ak->total_regs = 0x08; + break; default: snd_BUG(); return; } - for (chip = 0; chip < num_chips; chip++) { + for (chip = 0; chip < ak->num_chips; chip++) { ptr = inits; while (*ptr != 0xff) { reg = *ptr++; data = *ptr++; snd_akm4xxx_write(ak, chip, reg, data); + udelay(10); } } } @@ -688,6 +720,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak) AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); knew.tlv.p = db_scale_linear; break; + case SND_AK4620: + /* register 6 & 7 */ + knew.private_value = + AK_COMPOSE(idx/2, (idx%2) + 6, 0, 255); + knew.tlv.p = db_scale_linear; + break; default: return -EINVAL; } @@ -704,10 +742,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak) static int build_adc_controls(struct snd_akm4xxx *ak) { - int idx, err, mixer_ch, num_stereo; + int idx, err, mixer_ch, num_stereo, max_steps; struct snd_kcontrol_new knew; mixer_ch = 0; + if (ak->type == SND_AK4528) + return 0; /* no controls */ for (idx = 0; idx < ak->num_adcs;) { memset(&knew, 0, sizeof(knew)); if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) { @@ -733,13 +773,12 @@ static int build_adc_controls(struct snd_akm4xxx *ak) } /* register 4 & 5 */ if (ak->type == SND_AK5365) - knew.private_value = - AK_COMPOSE(idx/2, (idx%2) + 4, 0, 151) | - AK_VOL_CVT | AK_IPGA; + max_steps = 152; else - knew.private_value = - AK_COMPOSE(idx/2, (idx%2) + 4, 0, 163) | - AK_VOL_CVT | AK_IPGA; + max_steps = 164; + knew.private_value = + AK_COMPOSE(idx/2, (idx%2) + 4, 0, max_steps) | + AK_VOL_CVT | AK_IPGA; knew.tlv.p = db_scale_vol_datt; err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); if (err < 0) @@ -808,6 +847,7 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs) switch (ak->type) { case SND_AK4524: case SND_AK4528: + case SND_AK4620: /* register 3 */ knew.private_value = AK_COMPOSE(idx, 3, 0, 0); break; @@ -834,6 +874,35 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs) return 0; } +#ifdef CONFIG_PROC_FS +static void proc_regs_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_akm4xxx *ak = (struct snd_akm4xxx *)entry->private_data; + int reg, val, chip; + for (chip = 0; chip < ak->num_chips; chip++) { + for (reg = 0; reg < ak->total_regs; reg++) { + val = snd_akm4xxx_get(ak, chip, reg); + snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip, + reg, val); + } + } +} + +static int proc_init(struct snd_akm4xxx *ak) +{ + struct snd_info_entry *entry; + int err; + err = snd_card_proc_new(ak->card, ak->name, &entry); + if (err < 0) + return err; + snd_info_set_text_ops(entry, ak, proc_regs_read); + return 0; +} +#else /* !CONFIG_PROC_FS */ +static int proc_init(struct snd_akm4xxx *ak) {} +#endif + int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak) { int err, num_emphs; @@ -845,18 +914,21 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak) err = build_adc_controls(ak); if (err < 0) return err; - if (ak->type == SND_AK4355 || ak->type == SND_AK4358) num_emphs = 1; + else if (ak->type == SND_AK4620) + num_emphs = 0; else num_emphs = ak->num_dacs / 2; err = build_deemphasis(ak, num_emphs); if (err < 0) return err; + err = proc_init(ak); + if (err < 0) + return err; return 0; } - EXPORT_SYMBOL(snd_akm4xxx_build_controls); static int __init alsa_akm4xxx_module_init(void) |