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[ALSA] MC97 modem mixer in sound/pci/ac97

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AC97 Codec
Simple MC97 modem mixer with two common controls: Off-hook and CID,
and Si3056 MC specific control: Modem Speaker.

Signed-off-by: Sasha Khapyorsky <sashak@smlink.com>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Sasha Khapyorsky 2005-05-29 15:08:23 +02:00 committed by Jaroslav Kysela
parent 8fabab15dc
commit 87d61c290b
2 changed files with 38 additions and 4 deletions
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21
sound/pci/ac97/ac97_codec.c
View file

@ -150,7 +150,7 @@ static const ac97_codec_id_t snd_ac97_codec_ids[] = {
{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
{ 0x53494c20, 0xffffffe0, "Si3036,8", NULL, mpatch_si3036 },
{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
@ -666,6 +666,11 @@ AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
static const snd_kcontrol_new_t snd_ac97_control_eapd =
AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
};
/* change the existing EAPD control as inverted */
static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
{
@ -1526,13 +1531,25 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
{
/* TODO */
int err, idx;
//printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
/* build modem switches */
for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
return err;
/* build chip specific controls */
if (ac97->build_ops->build_specific)
if ((err = ac97->build_ops->build_specific(ac97)) < 0)
return err;
return 0;
}

21
sound/pci/ac97/ac97_patch.c
View file

@ -2459,12 +2459,29 @@ int patch_it2646(ac97_t * ac97)
return 0;
}
/* Si3036/8 specific registers */
/*
* Si3036 codec
*/
#define AC97_SI3036_CHIP_ID 0x5a
#define AC97_SI3036_LINE_CFG 0x5c
static const snd_kcontrol_new_t snd_ac97_controls_si3036[] = {
AC97_DOUBLE("Modem Speaker Volume", 0x5c, 14, 12, 3, 1)
};
static int patch_si3036_specific(ac97_t * ac97)
{
return patch_build_controls(ac97, snd_ac97_controls_si3036, ARRAY_SIZE(snd_ac97_controls_si3036));
}
static struct snd_ac97_build_ops patch_si3036_ops = {
.build_specific = patch_si3036_specific,
};
int mpatch_si3036(ac97_t * ac97)
{
//printk("mpatch_si3036: chip id = %x\n", snd_ac97_read(ac97, 0x5a));
ac97->build_ops = &patch_si3036_ops;
snd_ac97_write_cache(ac97, 0x5c, 0xf210 );
snd_ac97_write_cache(ac97, 0x68, 0);
return 0;