release/src-rt-6.x/linux/linux-2.6/sound/pci/hda/patch_si3054.c

   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 <sound/driver.h>
  26 #include <linux/init.h>
  27 #include <linux/delay.h>
  28 #include <linux/slab.h>
  29 #include <sound/core.h>
  30 #include "hda_codec.h"
  31 #include "hda_local.h"
  32
  33
  34 /* si3054 verbs */
  35 #define SI3054_VERB_READ_NODE  0x900
  36 #define SI3054_VERB_WRITE_NODE 0x100
  37
  38 /* si3054 nodes (registers) */
  39 #define SI3054_EXTENDED_MID    2
  40 #define SI3054_LINE_RATE       3
  41 #define SI3054_LINE_LEVEL      4
  42 #define SI3054_GPIO_CFG        5
  43 #define SI3054_GPIO_POLARITY   6
  44 #define SI3054_GPIO_STICKY     7
  45 #define SI3054_GPIO_WAKEUP     8
  46 #define SI3054_GPIO_STATUS     9
  47 #define SI3054_GPIO_CONTROL   10
  48 #define SI3054_MISC_AFE       11
  49 #define SI3054_CHIPID         12
  50 #define SI3054_LINE_CFG1      13
  51 #define SI3054_LINE_STATUS    14
  52 #define SI3054_DC_TERMINATION 15
  53 #define SI3054_LINE_CONFIG    16
  54 #define SI3054_CALLPROG_ATT   17
  55 #define SI3054_SQ_CONTROL     18
  56 #define SI3054_MISC_CONTROL   19
  57 #define SI3054_RING_CTRL1     20
  58 #define SI3054_RING_CTRL2     21
  59
  60 /* extended MID */
  61 #define SI3054_MEI_READY 0xf
  62
  63 /* line level */
  64 #define SI3054_ATAG_MASK 0x00f0
  65 #define SI3054_DTAG_MASK 0xf000
  66
  67 /* GPIO bits */
  68 #define SI3054_GPIO_OH    0x0001
  69 #define SI3054_GPIO_CID   0x0002
  70
  71 /* chipid and revisions */
  72 #define SI3054_CHIPID_CODEC_REV_MASK 0x000f
  73 #define SI3054_CHIPID_DAA_REV_MASK   0x00f0
  74 #define SI3054_CHIPID_INTERNATIONAL  0x0100
  75 #define SI3054_CHIPID_DAA_ID         0x0f00
  76 #define SI3054_CHIPID_CODEC_ID      (1<<12)
  77
  78 /* si3054 codec registers (nodes) access macros */
  79 #define GET_REG(codec,reg) (snd_hda_codec_read(codec,reg,0,SI3054_VERB_READ_NODE,0))
  80 #define SET_REG(codec,reg,val) (snd_hda_codec_write(codec,reg,0,SI3054_VERB_WRITE_NODE,val))
  81
  82
  83 struct si3054_spec {
  84         unsigned international;
  85         struct hda_pcm pcm;
  86 };
  87
  88
  89 /*
  90  * Modem mixer
  91  */
  92
  93 #define PRIVATE_VALUE(reg,mask) ((reg<<16)|(mask&0xffff))
  94 #define PRIVATE_REG(val) ((val>>16)&0xffff)
  95 #define PRIVATE_MASK(val) (val&0xffff)
  96
  97 static int si3054_switch_info(struct snd_kcontrol *kcontrol,
  98                                struct snd_ctl_elem_info *uinfo)
  99 {
 100         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 101         uinfo->count = 1;
 102         uinfo->value.integer.min = 0;
 103         uinfo->value.integer.max = 1;
 104         return 0;
 105 }
 106
 107 static int si3054_switch_get(struct snd_kcontrol *kcontrol,
 108                                struct snd_ctl_elem_value *uvalue)
 109 {
 110         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 111         u16 reg  = PRIVATE_REG(kcontrol->private_value);
 112         u16 mask = PRIVATE_MASK(kcontrol->private_value);
 113         uvalue->value.integer.value[0] = (GET_REG(codec, reg)) & mask ? 1 : 0 ;
 114         return 0;
 115 }
 116
 117 static int si3054_switch_put(struct snd_kcontrol *kcontrol,
 118                                struct snd_ctl_elem_value *uvalue)
 119 {
 120         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 121         u16 reg  = PRIVATE_REG(kcontrol->private_value);
 122         u16 mask = PRIVATE_MASK(kcontrol->private_value);
 123         if (uvalue->value.integer.value[0])
 124                 SET_REG(codec, reg, (GET_REG(codec, reg)) | mask);
 125         else
 126                 SET_REG(codec, reg, (GET_REG(codec, reg)) & ~mask);
 127         return 0;
 128 }
 129
 130 #define SI3054_KCONTROL(kname,reg,mask) { \
 131         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 132         .name = kname, \
 133         .info = si3054_switch_info, \
 134         .get  = si3054_switch_get, \
 135         .put  = si3054_switch_put, \
 136         .private_value = PRIVATE_VALUE(reg,mask), \
 137 }
 138
 139
 140 static struct snd_kcontrol_new si3054_modem_mixer[] = {
 141         SI3054_KCONTROL("Off-hook Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_OH),
 142         SI3054_KCONTROL("Caller ID Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_CID),
 143         {}
 144 };
 145
 146 static int si3054_build_controls(struct hda_codec *codec)
 147 {
 148         return snd_hda_add_new_ctls(codec, si3054_modem_mixer);
 149 }
 150
 151
 152 /*
 153  * PCM callbacks
 154  */
 155
 156 static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo,
 157                               struct hda_codec *codec,
 158                               unsigned int stream_tag,
 159                               unsigned int format,
 160                               struct snd_pcm_substream *substream)
 161 {
 162         u16 val;
 163
 164         SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate);
 165         val = GET_REG(codec, SI3054_LINE_LEVEL);
 166         val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK));
 167         val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK));
 168         SET_REG(codec, SI3054_LINE_LEVEL, val);
 169
 170         snd_hda_codec_setup_stream(codec, hinfo->nid,
 171                                    stream_tag, 0, format);
 172         return 0;
 173 }
 174
 175 static int si3054_pcm_open(struct hda_pcm_stream *hinfo,
 176                            struct hda_codec *codec,
 177                             struct snd_pcm_substream *substream)
 178 {
 179         static unsigned int rates[] = { 8000, 9600, 16000 };
 180         static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 181                 .count = ARRAY_SIZE(rates),
 182                 .list = rates,
 183                 .mask = 0,
 184         };
 185         substream->runtime->hw.period_bytes_min = 80;
 186         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 187                         SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
 188 }
 189
 190
 191 static struct hda_pcm_stream si3054_pcm = {
 192         .substreams = 1,
 193         .channels_min = 1,
 194         .channels_max = 1,
 195         .nid = 0x1,
 196         .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_KNOT,
 197         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 198         .maxbps = 16,
 199         .ops = {
 200                 .open = si3054_pcm_open,
 201                 .prepare = si3054_pcm_prepare,
 202         },
 203 };
 204
 205
 206 static int si3054_build_pcms(struct hda_codec *codec)
 207 {
 208         struct si3054_spec *spec = codec->spec;
 209         struct hda_pcm *info = &spec->pcm;
 210         si3054_pcm.nid = codec->mfg;
 211         codec->num_pcms = 1;
 212         codec->pcm_info = info;
 213         info->name = "Si3054 Modem";
 214         info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm;
 215         info->stream[SNDRV_PCM_STREAM_CAPTURE]  = si3054_pcm;
 216         info->is_modem = 1;
 217         return 0;
 218 }
 219
 220
 221 /*
 222  * Init part
 223  */
 224
 225 static int si3054_init(struct hda_codec *codec)
 226 {
 227         struct si3054_spec *spec = codec->spec;
 228         unsigned wait_count;
 229         u16 val;
 230
 231         snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0);
 232         snd_hda_codec_write(codec, codec->mfg, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 233         SET_REG(codec, SI3054_LINE_RATE, 9600);
 234         SET_REG(codec, SI3054_LINE_LEVEL, SI3054_DTAG_MASK|SI3054_ATAG_MASK);
 235         SET_REG(codec, SI3054_EXTENDED_MID, 0);
 236
 237         wait_count = 10;
 238         do {
 239                 msleep(2);
 240                 val = GET_REG(codec, SI3054_EXTENDED_MID);
 241         } while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--);
 242
 243         if((val&SI3054_MEI_READY) != SI3054_MEI_READY) {
 244                 snd_printk(KERN_ERR "si3054: cannot initialize. EXT MID = %04x\n", val);
 245                 /* let's pray that this is no fatal error */
 246                 /* return -EACCES; */
 247         }
 248
 249         SET_REG(codec, SI3054_GPIO_POLARITY, 0xffff);
 250         SET_REG(codec, SI3054_GPIO_CFG, 0x0);
 251         SET_REG(codec, SI3054_MISC_AFE, 0);
 252         SET_REG(codec, SI3054_LINE_CFG1,0x200);
 253
 254         if((GET_REG(codec,SI3054_LINE_STATUS) & (1<<6)) == 0) {
 255                 snd_printd("Link Frame Detect(FDT) is not ready (line status: %04x)\n",
 256                                 GET_REG(codec,SI3054_LINE_STATUS));
 257         }
 258
 259         spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL;
 260
 261         return 0;
 262 }
 263
 264 static void si3054_free(struct hda_codec *codec)
 265 {
 266         kfree(codec->spec);
 267 }
 268
 269
 270 /*
 271  */
 272
 273 static struct hda_codec_ops si3054_patch_ops = {
 274         .build_controls = si3054_build_controls,
 275         .build_pcms = si3054_build_pcms,
 276         .init = si3054_init,
 277         .free = si3054_free,
 278 #ifdef CONFIG_PM
 279         //.suspend = si3054_suspend,
 280         .resume = si3054_init,
 281 #endif
 282 };
 283
 284 static int patch_si3054(struct hda_codec *codec)
 285 {
 286         struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 287         if (spec == NULL)
 288                 return -ENOMEM;
 289         codec->spec = spec;
 290         codec->patch_ops = si3054_patch_ops;
 291         return 0;
 292 }
 293
 294 /*
 295  * patch entries
 296  */
 297 struct hda_codec_preset snd_hda_preset_si3054[] = {
 298         { .id = 0x163c3055, .name = "Si3054", .patch = patch_si3054 },
 299         { .id = 0x163c3155, .name = "Si3054", .patch = patch_si3054 },
 300         { .id = 0x11c11040, .name = "Si3054", .patch = patch_si3054 },
 301         { .id = 0x11c13026, .name = "Si3054", .patch = patch_si3054 },
 302         { .id = 0x11c13055, .name = "Si3054", .patch = patch_si3054 },
 303         { .id = 0x11c13155, .name = "Si3054", .patch = patch_si3054 },
 304         { .id = 0x10573055, .name = "Si3054", .patch = patch_si3054 },
 305         { .id = 0x10573057, .name = "Si3054", .patch = patch_si3054 },
 306         { .id = 0x10573155, .name = "Si3054", .patch = patch_si3054 },
 307         /* Asus A8J Modem (SM56) */
 308         { .id = 0x15433155, .name = "Si3054", .patch = patch_si3054 },
 309         {}
 310 };
 311