linux/sound/pci/hda/patch_si3054.c
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   1/*
   2 * Universal Interface for Intel High Definition Audio Codec
   3 *
   4 * HD audio interface patch for Silicon Labs 3054/5 modem codec
   5 *
   6 * Copyright (c) 2005 Sasha Khapyorsky <sashak@alsa-project.org>
   7 *                    Takashi Iwai <tiwai@suse.de>
   8 *
   9 *
  10 *  This driver is free software; you can redistribute it and/or modify
  11 *  it under the terms of the GNU General Public License as published by
  12 *  the Free Software Foundation; either version 2 of the License, or
  13 *  (at your option) any later version.
  14 *
  15 *  This driver is distributed in the hope that it will be useful,
  16 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 *  GNU General Public License for more details.
  19 *
  20 *  You should have received a copy of the GNU General Public License
  21 *  along with this program; if not, write to the Free Software
  22 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23 */
  24
  25#include <linux/init.h>
  26#include <linux/delay.h>
  27#include <linux/slab.h>
  28#include <linux/module.h>
  29#include <sound/core.h>
  30#include "hda_codec.h"
  31#include "hda_local.h"
  32
  33/* si3054 verbs */
  34#define SI3054_VERB_READ_NODE  0x900
  35#define SI3054_VERB_WRITE_NODE 0x100
  36
  37/* si3054 nodes (registers) */
  38#define SI3054_EXTENDED_MID    2
  39#define SI3054_LINE_RATE       3
  40#define SI3054_LINE_LEVEL      4
  41#define SI3054_GPIO_CFG        5
  42#define SI3054_GPIO_POLARITY   6
  43#define SI3054_GPIO_STICKY     7
  44#define SI3054_GPIO_WAKEUP     8
  45#define SI3054_GPIO_STATUS     9
  46#define SI3054_GPIO_CONTROL   10
  47#define SI3054_MISC_AFE       11
  48#define SI3054_CHIPID         12
  49#define SI3054_LINE_CFG1      13
  50#define SI3054_LINE_STATUS    14
  51#define SI3054_DC_TERMINATION 15
  52#define SI3054_LINE_CONFIG    16
  53#define SI3054_CALLPROG_ATT   17
  54#define SI3054_SQ_CONTROL     18
  55#define SI3054_MISC_CONTROL   19
  56#define SI3054_RING_CTRL1     20
  57#define SI3054_RING_CTRL2     21
  58
  59/* extended MID */
  60#define SI3054_MEI_READY 0xf
  61
  62/* line level */
  63#define SI3054_ATAG_MASK 0x00f0
  64#define SI3054_DTAG_MASK 0xf000
  65
  66/* GPIO bits */
  67#define SI3054_GPIO_OH    0x0001
  68#define SI3054_GPIO_CID   0x0002
  69
  70/* chipid and revisions */
  71#define SI3054_CHIPID_CODEC_REV_MASK 0x000f
  72#define SI3054_CHIPID_DAA_REV_MASK   0x00f0
  73#define SI3054_CHIPID_INTERNATIONAL  0x0100
  74#define SI3054_CHIPID_DAA_ID         0x0f00
  75#define SI3054_CHIPID_CODEC_ID      (1<<12)
  76
  77/* si3054 codec registers (nodes) access macros */
  78#define GET_REG(codec,reg) (snd_hda_codec_read(codec,reg,0,SI3054_VERB_READ_NODE,0))
  79#define SET_REG(codec,reg,val) (snd_hda_codec_write(codec,reg,0,SI3054_VERB_WRITE_NODE,val))
  80#define SET_REG_CACHE(codec,reg,val) \
  81        snd_hda_codec_write_cache(codec,reg,0,SI3054_VERB_WRITE_NODE,val)
  82
  83
  84struct si3054_spec {
  85        unsigned international;
  86        struct hda_pcm pcm;
  87};
  88
  89
  90/*
  91 * Modem mixer
  92 */
  93
  94#define PRIVATE_VALUE(reg,mask) ((reg<<16)|(mask&0xffff))
  95#define PRIVATE_REG(val) ((val>>16)&0xffff)
  96#define PRIVATE_MASK(val) (val&0xffff)
  97
  98#define si3054_switch_info      snd_ctl_boolean_mono_info
  99
 100static int si3054_switch_get(struct snd_kcontrol *kcontrol,
 101                               struct snd_ctl_elem_value *uvalue)
 102{
 103        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 104        u16 reg  = PRIVATE_REG(kcontrol->private_value);
 105        u16 mask = PRIVATE_MASK(kcontrol->private_value);
 106        uvalue->value.integer.value[0] = (GET_REG(codec, reg)) & mask ? 1 : 0 ;
 107        return 0;
 108}
 109
 110static int si3054_switch_put(struct snd_kcontrol *kcontrol,
 111                               struct snd_ctl_elem_value *uvalue)
 112{
 113        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 114        u16 reg  = PRIVATE_REG(kcontrol->private_value);
 115        u16 mask = PRIVATE_MASK(kcontrol->private_value);
 116        if (uvalue->value.integer.value[0])
 117                SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) | mask);
 118        else
 119                SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) & ~mask);
 120        return 0;
 121}
 122
 123#define SI3054_KCONTROL(kname,reg,mask) { \
 124        .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 125        .name = kname, \
 126        .subdevice = HDA_SUBDEV_NID_FLAG | reg, \
 127        .info = si3054_switch_info, \
 128        .get  = si3054_switch_get, \
 129        .put  = si3054_switch_put, \
 130        .private_value = PRIVATE_VALUE(reg,mask), \
 131}
 132                
 133
 134static const struct snd_kcontrol_new si3054_modem_mixer[] = {
 135        SI3054_KCONTROL("Off-hook Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_OH),
 136        SI3054_KCONTROL("Caller ID Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_CID),
 137        {}
 138};
 139
 140static int si3054_build_controls(struct hda_codec *codec)
 141{
 142        return snd_hda_add_new_ctls(codec, si3054_modem_mixer);
 143}
 144
 145
 146/*
 147 * PCM callbacks
 148 */
 149
 150static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo,
 151                              struct hda_codec *codec,
 152                              unsigned int stream_tag,
 153                              unsigned int format,
 154                              struct snd_pcm_substream *substream)
 155{
 156        u16 val;
 157
 158        SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate);
 159        val = GET_REG(codec, SI3054_LINE_LEVEL);
 160        val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK));
 161        val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK));
 162        SET_REG(codec, SI3054_LINE_LEVEL, val);
 163
 164        snd_hda_codec_setup_stream(codec, hinfo->nid,
 165                                   stream_tag, 0, format);
 166        return 0;
 167}
 168
 169static int si3054_pcm_open(struct hda_pcm_stream *hinfo,
 170                           struct hda_codec *codec,
 171                            struct snd_pcm_substream *substream)
 172{
 173        static unsigned int rates[] = { 8000, 9600, 16000 };
 174        static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 175                .count = ARRAY_SIZE(rates),
 176                .list = rates,
 177                .mask = 0,
 178        };
 179        substream->runtime->hw.period_bytes_min = 80;
 180        return snd_pcm_hw_constraint_list(substream->runtime, 0,
 181                        SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
 182}
 183
 184
 185static const struct hda_pcm_stream si3054_pcm = {
 186        .substreams = 1,
 187        .channels_min = 1,
 188        .channels_max = 1,
 189        .nid = 0x1,
 190        .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_KNOT,
 191        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 192        .maxbps = 16,
 193        .ops = {
 194                .open = si3054_pcm_open,
 195                .prepare = si3054_pcm_prepare,
 196        },
 197};
 198
 199
 200static int si3054_build_pcms(struct hda_codec *codec)
 201{
 202        struct si3054_spec *spec = codec->spec;
 203        struct hda_pcm *info = &spec->pcm;
 204        codec->num_pcms = 1;
 205        codec->pcm_info = info;
 206        info->name = "Si3054 Modem";
 207        info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm;
 208        info->stream[SNDRV_PCM_STREAM_CAPTURE]  = si3054_pcm;
 209        info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = codec->mfg;
 210        info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = codec->mfg;
 211        info->pcm_type = HDA_PCM_TYPE_MODEM;
 212        return 0;
 213}
 214
 215
 216/*
 217 * Init part
 218 */
 219
 220static int si3054_init(struct hda_codec *codec)
 221{
 222        struct si3054_spec *spec = codec->spec;
 223        unsigned wait_count;
 224        u16 val;
 225
 226        snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0);
 227        snd_hda_codec_write(codec, codec->mfg, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 228        SET_REG(codec, SI3054_LINE_RATE, 9600);
 229        SET_REG(codec, SI3054_LINE_LEVEL, SI3054_DTAG_MASK|SI3054_ATAG_MASK);
 230        SET_REG(codec, SI3054_EXTENDED_MID, 0);
 231
 232        wait_count = 10;
 233        do {
 234                msleep(2);
 235                val = GET_REG(codec, SI3054_EXTENDED_MID);
 236        } while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--);
 237
 238        if((val&SI3054_MEI_READY) != SI3054_MEI_READY) {
 239                snd_printk(KERN_ERR "si3054: cannot initialize. EXT MID = %04x\n", val);
 240                /* let's pray that this is no fatal error */
 241                /* return -EACCES; */
 242        }
 243
 244        SET_REG(codec, SI3054_GPIO_POLARITY, 0xffff);
 245        SET_REG(codec, SI3054_GPIO_CFG, 0x0);
 246        SET_REG(codec, SI3054_MISC_AFE, 0);
 247        SET_REG(codec, SI3054_LINE_CFG1,0x200);
 248
 249        if((GET_REG(codec,SI3054_LINE_STATUS) & (1<<6)) == 0) {
 250                snd_printd("Link Frame Detect(FDT) is not ready (line status: %04x)\n",
 251                                GET_REG(codec,SI3054_LINE_STATUS));
 252        }
 253
 254        spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL;
 255
 256        return 0;
 257}
 258
 259static void si3054_free(struct hda_codec *codec)
 260{
 261        kfree(codec->spec);
 262}
 263
 264
 265/*
 266 */
 267
 268static const struct hda_codec_ops si3054_patch_ops = {
 269        .build_controls = si3054_build_controls,
 270        .build_pcms = si3054_build_pcms,
 271        .init = si3054_init,
 272        .free = si3054_free,
 273};
 274
 275static int patch_si3054(struct hda_codec *codec)
 276{
 277        struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 278        if (spec == NULL)
 279                return -ENOMEM;
 280        codec->spec = spec;
 281        codec->patch_ops = si3054_patch_ops;
 282        return 0;
 283}
 284
 285/*
 286 * patch entries
 287 */
 288static const struct hda_codec_preset snd_hda_preset_si3054[] = {
 289        { .id = 0x163c3055, .name = "Si3054", .patch = patch_si3054 },
 290        { .id = 0x163c3155, .name = "Si3054", .patch = patch_si3054 },
 291        { .id = 0x11c13026, .name = "Si3054", .patch = patch_si3054 },
 292        { .id = 0x11c13055, .name = "Si3054", .patch = patch_si3054 },
 293        { .id = 0x11c13155, .name = "Si3054", .patch = patch_si3054 },
 294        { .id = 0x10573055, .name = "Si3054", .patch = patch_si3054 },
 295        { .id = 0x10573057, .name = "Si3054", .patch = patch_si3054 },
 296        { .id = 0x10573155, .name = "Si3054", .patch = patch_si3054 },
 297        /* VIA HDA on Clevo m540 */
 298        { .id = 0x11063288, .name = "Si3054", .patch = patch_si3054 },
 299        /* Asus A8J Modem (SM56) */
 300        { .id = 0x15433155, .name = "Si3054", .patch = patch_si3054 },
 301        /* LG LW20 modem */
 302        { .id = 0x18540018, .name = "Si3054", .patch = patch_si3054 },
 303        {}
 304};
 305
 306MODULE_ALIAS("snd-hda-codec-id:163c3055");
 307MODULE_ALIAS("snd-hda-codec-id:163c3155");
 308MODULE_ALIAS("snd-hda-codec-id:11c13026");
 309MODULE_ALIAS("snd-hda-codec-id:11c13055");
 310MODULE_ALIAS("snd-hda-codec-id:11c13155");
 311MODULE_ALIAS("snd-hda-codec-id:10573055");
 312MODULE_ALIAS("snd-hda-codec-id:10573057");
 313MODULE_ALIAS("snd-hda-codec-id:10573155");
 314MODULE_ALIAS("snd-hda-codec-id:11063288");
 315MODULE_ALIAS("snd-hda-codec-id:15433155");
 316MODULE_ALIAS("snd-hda-codec-id:18540018");
 317
 318MODULE_LICENSE("GPL");
 319MODULE_DESCRIPTION("Si3054 HD-audio modem codec");
 320
 321static struct hda_codec_preset_list si3054_list = {
 322        .preset = snd_hda_preset_si3054,
 323        .owner = THIS_MODULE,
 324};
 325
 326static int __init patch_si3054_init(void)
 327{
 328        return snd_hda_add_codec_preset(&si3054_list);
 329}
 330
 331static void __exit patch_si3054_exit(void)
 332{
 333        snd_hda_delete_codec_preset(&si3054_list);
 334}
 335
 336module_init(patch_si3054_init)
 337module_exit(patch_si3054_exit)
 338