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Sasha Khapyorsky
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Jaroslav Kysela
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Aug 30, 2005
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refs/heads/master: 673b683a07272bdc1f757aa32784b9fcc4b3a014 | ||
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/* | ||
* Universal Interface for Intel High Definition Audio Codec | ||
* | ||
* HD audio interface patch for Silicon Labs 3054/5 modem codec | ||
* | ||
* Copyright (c) 2005 Sasha Khapyorsky <sashak@smlink.com> | ||
* Takashi Iwai <tiwai@suse.de> | ||
* | ||
* | ||
* This driver is free software; you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 2 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* This driver is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
*/ | ||
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#include <sound/driver.h> | ||
#include <linux/init.h> | ||
#include <linux/delay.h> | ||
#include <linux/slab.h> | ||
#include <linux/pci.h> | ||
#include <sound/core.h> | ||
#include "hda_codec.h" | ||
#include "hda_local.h" | ||
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/* si3054 verbs */ | ||
#define SI3054_VERB_READ_NODE 0x900 | ||
#define SI3054_VERB_WRITE_NODE 0x100 | ||
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/* si3054 nodes (registers) */ | ||
#define SI3054_EXTENDED_MID 2 | ||
#define SI3054_LINE_RATE 3 | ||
#define SI3054_LINE_LEVEL 4 | ||
#define SI3054_GPIO_CFG 5 | ||
#define SI3054_GPIO_POLARITY 6 | ||
#define SI3054_GPIO_STICKY 7 | ||
#define SI3054_GPIO_WAKEUP 8 | ||
#define SI3054_GPIO_STATUS 9 | ||
#define SI3054_GPIO_CONTROL 10 | ||
#define SI3054_MISC_AFE 11 | ||
#define SI3054_CHIPID 12 | ||
#define SI3054_LINE_CFG1 13 | ||
#define SI3054_LINE_STATUS 14 | ||
#define SI3054_DC_TERMINATION 15 | ||
#define SI3054_LINE_CONFIG 16 | ||
#define SI3054_CALLPROG_ATT 17 | ||
#define SI3054_SQ_CONTROL 18 | ||
#define SI3054_MISC_CONTROL 19 | ||
#define SI3054_RING_CTRL1 20 | ||
#define SI3054_RING_CTRL2 21 | ||
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/* extended MID */ | ||
#define SI3054_MEI_READY 0xf | ||
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/* line level */ | ||
#define SI3054_ATAG_MASK 0x00f0 | ||
#define SI3054_DTAG_MASK 0xf000 | ||
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/* GPIO bits */ | ||
#define SI3054_GPIO_OH 0x0001 | ||
#define SI3054_GPIO_CID 0x0002 | ||
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/* chipid and revisions */ | ||
#define SI3054_CHIPID_CODEC_REV_MASK 0x000f | ||
#define SI3054_CHIPID_DAA_REV_MASK 0x00f0 | ||
#define SI3054_CHIPID_INTERNATIONAL 0x0100 | ||
#define SI3054_CHIPID_DAA_ID 0x0f00 | ||
#define SI3054_CHIPID_CODEC_ID (1<<12) | ||
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/* si3054 codec registers (nodes) access macros */ | ||
#define GET_REG(codec,reg) (snd_hda_codec_read(codec,reg,0,SI3054_VERB_READ_NODE,0)) | ||
#define SET_REG(codec,reg,val) (snd_hda_codec_write(codec,reg,0,SI3054_VERB_WRITE_NODE,val)) | ||
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struct si3054_spec { | ||
unsigned international; | ||
struct hda_pcm pcm; | ||
}; | ||
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/* | ||
* Modem mixer | ||
*/ | ||
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#define PRIVATE_VALUE(reg,mask) ((reg<<16)|(mask&0xffff)) | ||
#define PRIVATE_REG(val) ((val>>16)&0xffff) | ||
#define PRIVATE_MASK(val) (val&0xffff) | ||
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static int si3054_switch_info(snd_kcontrol_t *kcontrol, | ||
snd_ctl_elem_info_t *uinfo) | ||
{ | ||
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | ||
uinfo->count = 1; | ||
uinfo->value.integer.min = 0; | ||
uinfo->value.integer.max = 1; | ||
return 0; | ||
} | ||
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static int si3054_switch_get(snd_kcontrol_t *kcontrol, | ||
snd_ctl_elem_value_t *uvalue) | ||
{ | ||
struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | ||
u16 reg = PRIVATE_REG(kcontrol->private_value); | ||
u16 mask = PRIVATE_MASK(kcontrol->private_value); | ||
uvalue->value.integer.value[0] = (GET_REG(codec, reg)) & mask ? 1 : 0 ; | ||
return 0; | ||
} | ||
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static int si3054_switch_put(snd_kcontrol_t *kcontrol, | ||
snd_ctl_elem_value_t *uvalue) | ||
{ | ||
struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | ||
u16 reg = PRIVATE_REG(kcontrol->private_value); | ||
u16 mask = PRIVATE_MASK(kcontrol->private_value); | ||
if (uvalue->value.integer.value[0]) | ||
SET_REG(codec, reg, (GET_REG(codec, reg)) | mask); | ||
else | ||
SET_REG(codec, reg, (GET_REG(codec, reg)) & ~mask); | ||
return 0; | ||
} | ||
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#define SI3054_KCONTROL(kname,reg,mask) { \ | ||
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ | ||
.name = kname, \ | ||
.info = si3054_switch_info, \ | ||
.get = si3054_switch_get, \ | ||
.put = si3054_switch_put, \ | ||
.private_value = PRIVATE_VALUE(reg,mask), \ | ||
} | ||
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static snd_kcontrol_new_t si3054_modem_mixer[] = { | ||
SI3054_KCONTROL("Off-hook Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_OH), | ||
SI3054_KCONTROL("Caller ID Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_CID), | ||
{} | ||
}; | ||
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static int si3054_build_controls(struct hda_codec *codec) | ||
{ | ||
return snd_hda_add_new_ctls(codec, si3054_modem_mixer); | ||
} | ||
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/* | ||
* PCM callbacks | ||
*/ | ||
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static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo, | ||
struct hda_codec *codec, | ||
unsigned int stream_tag, | ||
unsigned int format, | ||
snd_pcm_substream_t *substream) | ||
{ | ||
u16 val; | ||
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SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate); | ||
val = GET_REG(codec, SI3054_LINE_LEVEL); | ||
val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)); | ||
val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)); | ||
SET_REG(codec, SI3054_LINE_LEVEL, val); | ||
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snd_hda_codec_setup_stream(codec, hinfo->nid, | ||
stream_tag, 0, format); | ||
return 0; | ||
} | ||
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static int si3054_pcm_open(struct hda_pcm_stream *hinfo, | ||
struct hda_codec *codec, | ||
snd_pcm_substream_t *substream) | ||
{ | ||
static unsigned int rates[] = { 8000, 9600, 16000 }; | ||
static snd_pcm_hw_constraint_list_t hw_constraints_rates = { | ||
.count = ARRAY_SIZE(rates), | ||
.list = rates, | ||
.mask = 0, | ||
}; | ||
substream->runtime->hw.period_bytes_min = 80; | ||
return snd_pcm_hw_constraint_list(substream->runtime, 0, | ||
SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); | ||
} | ||
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static struct hda_pcm_stream si3054_pcm = { | ||
.substreams = 1, | ||
.channels_min = 1, | ||
.channels_max = 1, | ||
.nid = 0x1, | ||
.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_KNOT, | ||
.formats = SNDRV_PCM_FMTBIT_S16_LE, | ||
.maxbps = 16, | ||
.ops = { | ||
.open = si3054_pcm_open, | ||
.prepare = si3054_pcm_prepare, | ||
}, | ||
}; | ||
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static int si3054_build_pcms(struct hda_codec *codec) | ||
{ | ||
struct si3054_spec *spec = codec->spec; | ||
struct hda_pcm *info = &spec->pcm; | ||
si3054_pcm.nid = codec->mfg; | ||
codec->num_pcms = 1; | ||
codec->pcm_info = info; | ||
info->name = "Si3054 Modem"; | ||
info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm; | ||
info->stream[SNDRV_PCM_STREAM_CAPTURE] = si3054_pcm; | ||
return 0; | ||
} | ||
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/* | ||
* Init part | ||
*/ | ||
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static int si3054_init(struct hda_codec *codec) | ||
{ | ||
struct si3054_spec *spec = codec->spec; | ||
unsigned wait_count; | ||
u16 val; | ||
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snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0); | ||
snd_hda_codec_write(codec, codec->mfg, 0, AC_VERB_SET_STREAM_FORMAT, 0); | ||
SET_REG(codec, SI3054_LINE_RATE, 9600); | ||
SET_REG(codec, SI3054_LINE_LEVEL, SI3054_DTAG_MASK|SI3054_ATAG_MASK); | ||
SET_REG(codec, SI3054_EXTENDED_MID, 0); | ||
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wait_count = 10; | ||
do { | ||
msleep(2); | ||
val = GET_REG(codec, SI3054_EXTENDED_MID); | ||
} while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--); | ||
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if((val&SI3054_MEI_READY) != SI3054_MEI_READY) { | ||
snd_printk(KERN_ERR "si3054: cannot initialize. EXT MID = %04x\n", val); | ||
return -EACCES; | ||
} | ||
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SET_REG(codec, SI3054_GPIO_POLARITY, 0xffff); | ||
SET_REG(codec, SI3054_GPIO_CFG, 0x0); | ||
SET_REG(codec, SI3054_MISC_AFE, 0); | ||
SET_REG(codec, SI3054_LINE_CFG1,0x200); | ||
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if((GET_REG(codec,SI3054_LINE_STATUS) & (1<<6)) == 0) { | ||
snd_printd("Link Frame Detect(FDT) is not ready (line status: %04x)\n", | ||
GET_REG(codec,SI3054_LINE_STATUS)); | ||
} | ||
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spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL; | ||
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return 0; | ||
} | ||
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static void si3054_free(struct hda_codec *codec) | ||
{ | ||
kfree(codec->spec); | ||
} | ||
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/* | ||
*/ | ||
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static struct hda_codec_ops si3054_patch_ops = { | ||
.build_controls = si3054_build_controls, | ||
.build_pcms = si3054_build_pcms, | ||
.init = si3054_init, | ||
.free = si3054_free, | ||
#ifdef CONFIG_PM | ||
//.suspend = si3054_suspend, | ||
.resume = si3054_init, | ||
#endif | ||
}; | ||
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static int patch_si3054(struct hda_codec *codec) | ||
{ | ||
struct si3054_spec *spec = kcalloc(1, sizeof(*spec), GFP_KERNEL); | ||
if (spec == NULL) | ||
return -ENOMEM; | ||
codec->spec = spec; | ||
codec->patch_ops = si3054_patch_ops; | ||
return 0; | ||
} | ||
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/* | ||
* patch entries | ||
*/ | ||
struct hda_codec_preset snd_hda_preset_si3054[] = { | ||
{ .id = 0x163c3155, .name = "Si3054", .patch = patch_si3054 }, | ||
{} | ||
}; | ||
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