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 84 struct 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 99 100 static 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 } 109 110 static 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 } 132 133 134 static 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 }; 139 140 static 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 */ 149 150 static 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 } 168 169 static 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 } 183 184 185 static 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 }; 198 199 200 static 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 */ 219 220 static 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 codec_err(codec, "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 codec_dbg(codec, 251 "Link Frame Detect(FDT) is not ready (line status: %04x)\n", 252 GET_REG(codec,SI3054_LINE_STATUS)); 253 } 254 255 spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL; 256 257 return 0; 258 } 259 260 static void si3054_free(struct hda_codec *codec) 261 { 262 kfree(codec->spec); 263 } 264 265 266 /* 267 */ 268 269 static const struct hda_codec_ops si3054_patch_ops = { 270 .build_controls = si3054_build_controls, 271 .build_pcms = si3054_build_pcms, 272 .init = si3054_init, 273 .free = si3054_free, 274 }; 275 276 static int patch_si3054(struct hda_codec *codec) 277 { 278 struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL); 279 if (spec == NULL) 280 return -ENOMEM; 281 codec->spec = spec; 282 codec->patch_ops = si3054_patch_ops; 283 return 0; 284 } 285 286 /* 287 * patch entries 288 */ 289 static const struct hda_codec_preset snd_hda_preset_si3054[] = { 290 { .id = 0x163c3055, .name = "Si3054", .patch = patch_si3054 }, 291 { .id = 0x163c3155, .name = "Si3054", .patch = patch_si3054 }, 292 { .id = 0x11c13026, .name = "Si3054", .patch = patch_si3054 }, 293 { .id = 0x11c13055, .name = "Si3054", .patch = patch_si3054 }, 294 { .id = 0x11c13155, .name = "Si3054", .patch = patch_si3054 }, 295 { .id = 0x10573055, .name = "Si3054", .patch = patch_si3054 }, 296 { .id = 0x10573057, .name = "Si3054", .patch = patch_si3054 }, 297 { .id = 0x10573155, .name = "Si3054", .patch = patch_si3054 }, 298 /* VIA HDA on Clevo m540 */ 299 { .id = 0x11063288, .name = "Si3054", .patch = patch_si3054 }, 300 /* Asus A8J Modem (SM56) */ 301 { .id = 0x15433155, .name = "Si3054", .patch = patch_si3054 }, 302 /* LG LW20 modem */ 303 { .id = 0x18540018, .name = "Si3054", .patch = patch_si3054 }, 304 {} 305 }; 306 307 MODULE_ALIAS("snd-hda-codec-id:163c3055"); 308 MODULE_ALIAS("snd-hda-codec-id:163c3155"); 309 MODULE_ALIAS("snd-hda-codec-id:11c13026"); 310 MODULE_ALIAS("snd-hda-codec-id:11c13055"); 311 MODULE_ALIAS("snd-hda-codec-id:11c13155"); 312 MODULE_ALIAS("snd-hda-codec-id:10573055"); 313 MODULE_ALIAS("snd-hda-codec-id:10573057"); 314 MODULE_ALIAS("snd-hda-codec-id:10573155"); 315 MODULE_ALIAS("snd-hda-codec-id:11063288"); 316 MODULE_ALIAS("snd-hda-codec-id:15433155"); 317 MODULE_ALIAS("snd-hda-codec-id:18540018"); 318 319 MODULE_LICENSE("GPL"); 320 MODULE_DESCRIPTION("Si3054 HD-audio modem codec"); 321 322 static struct hda_codec_preset_list si3054_list = { 323 .preset = snd_hda_preset_si3054, 324 .owner = THIS_MODULE, 325 }; 326 327 static int __init patch_si3054_init(void) 328 { 329 return snd_hda_add_codec_preset(&si3054_list); 330 } 331 332 static void __exit patch_si3054_exit(void) 333 { 334 snd_hda_delete_codec_preset(&si3054_list); 335 } 336 337 module_init(patch_si3054_init) 338 module_exit(patch_si3054_exit) 339