xref: /linux/sound/pci/hda/patch_si3054.c (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
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 		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 
259 static void si3054_free(struct hda_codec *codec)
260 {
261 	kfree(codec->spec);
262 }
263 
264 
265 /*
266  */
267 
268 static 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 
275 static 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  */
288 static 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 
306 MODULE_ALIAS("snd-hda-codec-id:163c3055");
307 MODULE_ALIAS("snd-hda-codec-id:163c3155");
308 MODULE_ALIAS("snd-hda-codec-id:11c13026");
309 MODULE_ALIAS("snd-hda-codec-id:11c13055");
310 MODULE_ALIAS("snd-hda-codec-id:11c13155");
311 MODULE_ALIAS("snd-hda-codec-id:10573055");
312 MODULE_ALIAS("snd-hda-codec-id:10573057");
313 MODULE_ALIAS("snd-hda-codec-id:10573155");
314 MODULE_ALIAS("snd-hda-codec-id:11063288");
315 MODULE_ALIAS("snd-hda-codec-id:15433155");
316 MODULE_ALIAS("snd-hda-codec-id:18540018");
317 
318 MODULE_LICENSE("GPL");
319 MODULE_DESCRIPTION("Si3054 HD-audio modem codec");
320 
321 static struct hda_codec_preset_list si3054_list = {
322 	.preset = snd_hda_preset_si3054,
323 	.owner = THIS_MODULE,
324 };
325 
326 static int __init patch_si3054_init(void)
327 {
328 	return snd_hda_add_codec_preset(&si3054_list);
329 }
330 
331 static void __exit patch_si3054_exit(void)
332 {
333 	snd_hda_delete_codec_preset(&si3054_list);
334 }
335 
336 module_init(patch_si3054_init)
337 module_exit(patch_si3054_exit)
338