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 <sound/core.h> 29 #include "hda_codec.h" 30 #include "hda_local.h" 31 32 /* si3054 verbs */ 33 #define SI3054_VERB_READ_NODE 0x900 34 #define SI3054_VERB_WRITE_NODE 0x100 35 36 /* si3054 nodes (registers) */ 37 #define SI3054_EXTENDED_MID 2 38 #define SI3054_LINE_RATE 3 39 #define SI3054_LINE_LEVEL 4 40 #define SI3054_GPIO_CFG 5 41 #define SI3054_GPIO_POLARITY 6 42 #define SI3054_GPIO_STICKY 7 43 #define SI3054_GPIO_WAKEUP 8 44 #define SI3054_GPIO_STATUS 9 45 #define SI3054_GPIO_CONTROL 10 46 #define SI3054_MISC_AFE 11 47 #define SI3054_CHIPID 12 48 #define SI3054_LINE_CFG1 13 49 #define SI3054_LINE_STATUS 14 50 #define SI3054_DC_TERMINATION 15 51 #define SI3054_LINE_CONFIG 16 52 #define SI3054_CALLPROG_ATT 17 53 #define SI3054_SQ_CONTROL 18 54 #define SI3054_MISC_CONTROL 19 55 #define SI3054_RING_CTRL1 20 56 #define SI3054_RING_CTRL2 21 57 58 /* extended MID */ 59 #define SI3054_MEI_READY 0xf 60 61 /* line level */ 62 #define SI3054_ATAG_MASK 0x00f0 63 #define SI3054_DTAG_MASK 0xf000 64 65 /* GPIO bits */ 66 #define SI3054_GPIO_OH 0x0001 67 #define SI3054_GPIO_CID 0x0002 68 69 /* chipid and revisions */ 70 #define SI3054_CHIPID_CODEC_REV_MASK 0x000f 71 #define SI3054_CHIPID_DAA_REV_MASK 0x00f0 72 #define SI3054_CHIPID_INTERNATIONAL 0x0100 73 #define SI3054_CHIPID_DAA_ID 0x0f00 74 #define SI3054_CHIPID_CODEC_ID (1<<12) 75 76 /* si3054 codec registers (nodes) access macros */ 77 #define GET_REG(codec,reg) (snd_hda_codec_read(codec,reg,0,SI3054_VERB_READ_NODE,0)) 78 #define SET_REG(codec,reg,val) (snd_hda_codec_write(codec,reg,0,SI3054_VERB_WRITE_NODE,val)) 79 #define SET_REG_CACHE(codec,reg,val) \ 80 snd_hda_codec_write_cache(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 #define si3054_switch_info snd_ctl_boolean_mono_info 98 99 static int si3054_switch_get(struct snd_kcontrol *kcontrol, 100 struct snd_ctl_elem_value *uvalue) 101 { 102 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 103 u16 reg = PRIVATE_REG(kcontrol->private_value); 104 u16 mask = PRIVATE_MASK(kcontrol->private_value); 105 uvalue->value.integer.value[0] = (GET_REG(codec, reg)) & mask ? 1 : 0 ; 106 return 0; 107 } 108 109 static int si3054_switch_put(struct snd_kcontrol *kcontrol, 110 struct snd_ctl_elem_value *uvalue) 111 { 112 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 113 u16 reg = PRIVATE_REG(kcontrol->private_value); 114 u16 mask = PRIVATE_MASK(kcontrol->private_value); 115 if (uvalue->value.integer.value[0]) 116 SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) | mask); 117 else 118 SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) & ~mask); 119 return 0; 120 } 121 122 #define SI3054_KCONTROL(kname,reg,mask) { \ 123 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 124 .name = kname, \ 125 .info = si3054_switch_info, \ 126 .get = si3054_switch_get, \ 127 .put = si3054_switch_put, \ 128 .private_value = PRIVATE_VALUE(reg,mask), \ 129 } 130 131 132 static struct snd_kcontrol_new si3054_modem_mixer[] = { 133 SI3054_KCONTROL("Off-hook Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_OH), 134 SI3054_KCONTROL("Caller ID Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_CID), 135 {} 136 }; 137 138 static int si3054_build_controls(struct hda_codec *codec) 139 { 140 return snd_hda_add_new_ctls(codec, si3054_modem_mixer); 141 } 142 143 144 /* 145 * PCM callbacks 146 */ 147 148 static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo, 149 struct hda_codec *codec, 150 unsigned int stream_tag, 151 unsigned int format, 152 struct snd_pcm_substream *substream) 153 { 154 u16 val; 155 156 SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate); 157 val = GET_REG(codec, SI3054_LINE_LEVEL); 158 val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)); 159 val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)); 160 SET_REG(codec, SI3054_LINE_LEVEL, val); 161 162 snd_hda_codec_setup_stream(codec, hinfo->nid, 163 stream_tag, 0, format); 164 return 0; 165 } 166 167 static int si3054_pcm_open(struct hda_pcm_stream *hinfo, 168 struct hda_codec *codec, 169 struct snd_pcm_substream *substream) 170 { 171 static unsigned int rates[] = { 8000, 9600, 16000 }; 172 static struct snd_pcm_hw_constraint_list hw_constraints_rates = { 173 .count = ARRAY_SIZE(rates), 174 .list = rates, 175 .mask = 0, 176 }; 177 substream->runtime->hw.period_bytes_min = 80; 178 return snd_pcm_hw_constraint_list(substream->runtime, 0, 179 SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); 180 } 181 182 183 static struct hda_pcm_stream si3054_pcm = { 184 .substreams = 1, 185 .channels_min = 1, 186 .channels_max = 1, 187 .nid = 0x1, 188 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_KNOT, 189 .formats = SNDRV_PCM_FMTBIT_S16_LE, 190 .maxbps = 16, 191 .ops = { 192 .open = si3054_pcm_open, 193 .prepare = si3054_pcm_prepare, 194 }, 195 }; 196 197 198 static int si3054_build_pcms(struct hda_codec *codec) 199 { 200 struct si3054_spec *spec = codec->spec; 201 struct hda_pcm *info = &spec->pcm; 202 si3054_pcm.nid = codec->mfg; 203 codec->num_pcms = 1; 204 codec->pcm_info = info; 205 info->name = "Si3054 Modem"; 206 info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm; 207 info->stream[SNDRV_PCM_STREAM_CAPTURE] = si3054_pcm; 208 info->pcm_type = HDA_PCM_TYPE_MODEM; 209 return 0; 210 } 211 212 213 /* 214 * Init part 215 */ 216 217 static int si3054_init(struct hda_codec *codec) 218 { 219 struct si3054_spec *spec = codec->spec; 220 unsigned wait_count; 221 u16 val; 222 223 snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0); 224 snd_hda_codec_write(codec, codec->mfg, 0, AC_VERB_SET_STREAM_FORMAT, 0); 225 SET_REG(codec, SI3054_LINE_RATE, 9600); 226 SET_REG(codec, SI3054_LINE_LEVEL, SI3054_DTAG_MASK|SI3054_ATAG_MASK); 227 SET_REG(codec, SI3054_EXTENDED_MID, 0); 228 229 wait_count = 10; 230 do { 231 msleep(2); 232 val = GET_REG(codec, SI3054_EXTENDED_MID); 233 } while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--); 234 235 if((val&SI3054_MEI_READY) != SI3054_MEI_READY) { 236 snd_printk(KERN_ERR "si3054: cannot initialize. EXT MID = %04x\n", val); 237 /* let's pray that this is no fatal error */ 238 /* return -EACCES; */ 239 } 240 241 SET_REG(codec, SI3054_GPIO_POLARITY, 0xffff); 242 SET_REG(codec, SI3054_GPIO_CFG, 0x0); 243 SET_REG(codec, SI3054_MISC_AFE, 0); 244 SET_REG(codec, SI3054_LINE_CFG1,0x200); 245 246 if((GET_REG(codec,SI3054_LINE_STATUS) & (1<<6)) == 0) { 247 snd_printd("Link Frame Detect(FDT) is not ready (line status: %04x)\n", 248 GET_REG(codec,SI3054_LINE_STATUS)); 249 } 250 251 spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL; 252 253 return 0; 254 } 255 256 static void si3054_free(struct hda_codec *codec) 257 { 258 kfree(codec->spec); 259 } 260 261 262 /* 263 */ 264 265 static struct hda_codec_ops si3054_patch_ops = { 266 .build_controls = si3054_build_controls, 267 .build_pcms = si3054_build_pcms, 268 .init = si3054_init, 269 .free = si3054_free, 270 }; 271 272 static int patch_si3054(struct hda_codec *codec) 273 { 274 struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL); 275 if (spec == NULL) 276 return -ENOMEM; 277 codec->spec = spec; 278 codec->patch_ops = si3054_patch_ops; 279 return 0; 280 } 281 282 /* 283 * patch entries 284 */ 285 static struct hda_codec_preset snd_hda_preset_si3054[] = { 286 { .id = 0x163c3055, .name = "Si3054", .patch = patch_si3054 }, 287 { .id = 0x163c3155, .name = "Si3054", .patch = patch_si3054 }, 288 { .id = 0x11c13026, .name = "Si3054", .patch = patch_si3054 }, 289 { .id = 0x11c13055, .name = "Si3054", .patch = patch_si3054 }, 290 { .id = 0x11c13155, .name = "Si3054", .patch = patch_si3054 }, 291 { .id = 0x10573055, .name = "Si3054", .patch = patch_si3054 }, 292 { .id = 0x10573057, .name = "Si3054", .patch = patch_si3054 }, 293 { .id = 0x10573155, .name = "Si3054", .patch = patch_si3054 }, 294 /* VIA HDA on Clevo m540 */ 295 { .id = 0x11063288, .name = "Si3054", .patch = patch_si3054 }, 296 /* Asus A8J Modem (SM56) */ 297 { .id = 0x15433155, .name = "Si3054", .patch = patch_si3054 }, 298 /* LG LW20 modem */ 299 { .id = 0x18540018, .name = "Si3054", .patch = patch_si3054 }, 300 {} 301 }; 302 303 MODULE_ALIAS("snd-hda-codec-id:163c3055"); 304 MODULE_ALIAS("snd-hda-codec-id:163c3155"); 305 MODULE_ALIAS("snd-hda-codec-id:11c13026"); 306 MODULE_ALIAS("snd-hda-codec-id:11c13055"); 307 MODULE_ALIAS("snd-hda-codec-id:11c13155"); 308 MODULE_ALIAS("snd-hda-codec-id:10573055"); 309 MODULE_ALIAS("snd-hda-codec-id:10573057"); 310 MODULE_ALIAS("snd-hda-codec-id:10573155"); 311 MODULE_ALIAS("snd-hda-codec-id:11063288"); 312 MODULE_ALIAS("snd-hda-codec-id:15433155"); 313 MODULE_ALIAS("snd-hda-codec-id:18540018"); 314 315 MODULE_LICENSE("GPL"); 316 MODULE_DESCRIPTION("Si3054 HD-audio modem codec"); 317 318 static struct hda_codec_preset_list si3054_list = { 319 .preset = snd_hda_preset_si3054, 320 .owner = THIS_MODULE, 321 }; 322 323 static int __init patch_si3054_init(void) 324 { 325 return snd_hda_add_codec_preset(&si3054_list); 326 } 327 328 static void __exit patch_si3054_exit(void) 329 { 330 snd_hda_delete_codec_preset(&si3054_list); 331 } 332 333 module_init(patch_si3054_init) 334 module_exit(patch_si3054_exit) 335