| /* |
| * 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@alsa-project.org> |
| * 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 |
| */ |
| |
| #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" |
| |
| |
| /* si3054 verbs */ |
| #define SI3054_VERB_READ_NODE 0x900 |
| #define SI3054_VERB_WRITE_NODE 0x100 |
| |
| /* 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 |
| |
| /* extended MID */ |
| #define SI3054_MEI_READY 0xf |
| |
| /* line level */ |
| #define SI3054_ATAG_MASK 0x00f0 |
| #define SI3054_DTAG_MASK 0xf000 |
| |
| /* GPIO bits */ |
| #define SI3054_GPIO_OH 0x0001 |
| #define SI3054_GPIO_CID 0x0002 |
| |
| /* 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) |
| |
| /* 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)) |
| |
| |
| struct si3054_spec { |
| unsigned international; |
| struct hda_pcm pcm; |
| }; |
| |
| |
| /* |
| * Modem mixer |
| */ |
| |
| #define PRIVATE_VALUE(reg,mask) ((reg<<16)|(mask&0xffff)) |
| #define PRIVATE_REG(val) ((val>>16)&0xffff) |
| #define PRIVATE_MASK(val) (val&0xffff) |
| |
| static int si3054_switch_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| uinfo->count = 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 1; |
| return 0; |
| } |
| |
| static int si3054_switch_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *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; |
| } |
| |
| static int si3054_switch_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *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; |
| } |
| |
| #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), \ |
| } |
| |
| |
| static struct snd_kcontrol_new 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), |
| {} |
| }; |
| |
| static int si3054_build_controls(struct hda_codec *codec) |
| { |
| return snd_hda_add_new_ctls(codec, si3054_modem_mixer); |
| } |
| |
| |
| /* |
| * PCM callbacks |
| */ |
| |
| static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo, |
| struct hda_codec *codec, |
| unsigned int stream_tag, |
| unsigned int format, |
| struct snd_pcm_substream *substream) |
| { |
| u16 val; |
| |
| 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); |
| |
| snd_hda_codec_setup_stream(codec, hinfo->nid, |
| stream_tag, 0, format); |
| return 0; |
| } |
| |
| static int si3054_pcm_open(struct hda_pcm_stream *hinfo, |
| struct hda_codec *codec, |
| struct snd_pcm_substream *substream) |
| { |
| static unsigned int rates[] = { 8000, 9600, 16000 }; |
| static struct snd_pcm_hw_constraint_list 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); |
| } |
| |
| |
| 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, |
| }, |
| }; |
| |
| |
| 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; |
| info->is_modem = 1; |
| return 0; |
| } |
| |
| |
| /* |
| * Init part |
| */ |
| |
| static int si3054_init(struct hda_codec *codec) |
| { |
| struct si3054_spec *spec = codec->spec; |
| unsigned wait_count; |
| u16 val; |
| |
| 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); |
| |
| wait_count = 10; |
| do { |
| msleep(2); |
| val = GET_REG(codec, SI3054_EXTENDED_MID); |
| } while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--); |
| |
| if((val&SI3054_MEI_READY) != SI3054_MEI_READY) { |
| snd_printk(KERN_ERR "si3054: cannot initialize. EXT MID = %04x\n", val); |
| return -EACCES; |
| } |
| |
| 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); |
| |
| 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)); |
| } |
| |
| spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL; |
| |
| return 0; |
| } |
| |
| static void si3054_free(struct hda_codec *codec) |
| { |
| kfree(codec->spec); |
| } |
| |
| |
| /* |
| */ |
| |
| 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 |
| }; |
| |
| static int patch_si3054(struct hda_codec *codec) |
| { |
| struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
| if (spec == NULL) |
| return -ENOMEM; |
| codec->spec = spec; |
| codec->patch_ops = si3054_patch_ops; |
| return 0; |
| } |
| |
| /* |
| * patch entries |
| */ |
| struct hda_codec_preset snd_hda_preset_si3054[] = { |
| { .id = 0x163c3055, .name = "Si3054", .patch = patch_si3054 }, |
| { .id = 0x163c3155, .name = "Si3054", .patch = patch_si3054 }, |
| { .id = 0x11c13026, .name = "Si3054", .patch = patch_si3054 }, |
| {} |
| }; |
| |