diff options
Diffstat (limited to 'sound/pci/hda/patch_si3054.c')
| -rw-r--r-- | sound/pci/hda/patch_si3054.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_si3054.c b/sound/pci/hda/patch_si3054.c new file mode 100644 index 000000000..f63acb1b9 --- /dev/null +++ b/sound/pci/hda/patch_si3054.c @@ -0,0 +1,318 @@ +/* + * 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 <linux/init.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/module.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)) +#define SET_REG_CACHE(codec,reg,val) \ + snd_hda_codec_write_cache(codec,reg,0,SI3054_VERB_WRITE_NODE,val) + + +struct si3054_spec { + unsigned international; +}; + + +/* + * Modem mixer + */ + +#define PRIVATE_VALUE(reg,mask) ((reg<<16)|(mask&0xffff)) +#define PRIVATE_REG(val) ((val>>16)&0xffff) +#define PRIVATE_MASK(val) (val&0xffff) + +#define si3054_switch_info snd_ctl_boolean_mono_info + +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_CACHE(codec, reg, (GET_REG(codec, reg)) | mask); + else + SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) & ~mask); + return 0; +} + +#define SI3054_KCONTROL(kname,reg,mask) { \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = kname, \ + .subdevice = HDA_SUBDEV_NID_FLAG | reg, \ + .info = si3054_switch_info, \ + .get = si3054_switch_get, \ + .put = si3054_switch_put, \ + .private_value = PRIVATE_VALUE(reg,mask), \ +} + + +static const 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 const unsigned int rates[] = { 8000, 9600, 16000 }; + static const 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 const 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 hda_pcm *info; + + info = snd_hda_codec_pcm_new(codec, "Si3054 Modem"); + if (!info) + return -ENOMEM; + info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm; + info->stream[SNDRV_PCM_STREAM_CAPTURE] = si3054_pcm; + info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = codec->core.mfg; + info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = codec->core.mfg; + info->pcm_type = HDA_PCM_TYPE_MODEM; + return 0; +} + + +/* + * Init part + */ + +static int si3054_init(struct hda_codec *codec) +{ + struct si3054_spec *spec = codec->spec; + unsigned wait_count; + u16 val; + + if (snd_hdac_regmap_add_vendor_verb(&codec->core, + SI3054_VERB_WRITE_NODE)) + return -ENOMEM; + + snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0); + snd_hda_codec_write(codec, codec->core.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) { + codec_err(codec, "si3054: cannot initialize. EXT MID = %04x\n", val); + /* let's pray that this is no fatal error */ + /* 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) { + codec_dbg(codec, + "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 const struct hda_codec_ops si3054_patch_ops = { + .build_controls = si3054_build_controls, + .build_pcms = si3054_build_pcms, + .init = si3054_init, + .free = si3054_free, +}; + +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 + */ +static const struct hda_device_id snd_hda_id_si3054[] = { + HDA_CODEC_ENTRY(0x163c3055, "Si3054", patch_si3054), + HDA_CODEC_ENTRY(0x163c3155, "Si3054", patch_si3054), + HDA_CODEC_ENTRY(0x11c13026, "Si3054", patch_si3054), + HDA_CODEC_ENTRY(0x11c13055, "Si3054", patch_si3054), + HDA_CODEC_ENTRY(0x11c13155, "Si3054", patch_si3054), + HDA_CODEC_ENTRY(0x10573055, "Si3054", patch_si3054), + HDA_CODEC_ENTRY(0x10573057, "Si3054", patch_si3054), + HDA_CODEC_ENTRY(0x10573155, "Si3054", patch_si3054), + /* VIA HDA on Clevo m540 */ + HDA_CODEC_ENTRY(0x11063288, "Si3054", patch_si3054), + /* Asus A8J Modem (SM56) */ + HDA_CODEC_ENTRY(0x15433155, "Si3054", patch_si3054), + /* LG LW20 modem */ + HDA_CODEC_ENTRY(0x18540018, "Si3054", patch_si3054), + {} +}; +MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_si3054); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Si3054 HD-audio modem codec"); + +static struct hda_codec_driver si3054_driver = { + .id = snd_hda_id_si3054, +}; + +module_hda_codec_driver(si3054_driver); |