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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 
 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 

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