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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
34#define SI3054_VERB_READ_NODE 0x900
35#define SI3054_VERB_WRITE_NODE 0x100
36
37
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
60#define SI3054_MEI_READY 0xf
61
62
63#define SI3054_ATAG_MASK 0x00f0
64#define SI3054_DTAG_MASK 0xf000
65
66
67#define SI3054_GPIO_OH 0x0001
68#define SI3054_GPIO_CID 0x0002
69
70
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
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
84struct si3054_spec {
85 unsigned international;
86};
87
88
89
90
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
99static 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
109static 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 .subdevice = HDA_SUBDEV_NID_FLAG | reg, \
126 .info = si3054_switch_info, \
127 .get = si3054_switch_get, \
128 .put = si3054_switch_put, \
129 .private_value = PRIVATE_VALUE(reg,mask), \
130}
131
132
133static const struct snd_kcontrol_new si3054_modem_mixer[] = {
134 SI3054_KCONTROL("Off-hook Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_OH),
135 SI3054_KCONTROL("Caller ID Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_CID),
136 {}
137};
138
139static int si3054_build_controls(struct hda_codec *codec)
140{
141 return snd_hda_add_new_ctls(codec, si3054_modem_mixer);
142}
143
144
145
146
147
148
149static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo,
150 struct hda_codec *codec,
151 unsigned int stream_tag,
152 unsigned int format,
153 struct snd_pcm_substream *substream)
154{
155 u16 val;
156
157 SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate);
158 val = GET_REG(codec, SI3054_LINE_LEVEL);
159 val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK));
160 val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK));
161 SET_REG(codec, SI3054_LINE_LEVEL, val);
162
163 snd_hda_codec_setup_stream(codec, hinfo->nid,
164 stream_tag, 0, format);
165 return 0;
166}
167
168static int si3054_pcm_open(struct hda_pcm_stream *hinfo,
169 struct hda_codec *codec,
170 struct snd_pcm_substream *substream)
171{
172 static unsigned int rates[] = { 8000, 9600, 16000 };
173 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
174 .count = ARRAY_SIZE(rates),
175 .list = rates,
176 .mask = 0,
177 };
178 substream->runtime->hw.period_bytes_min = 80;
179 return snd_pcm_hw_constraint_list(substream->runtime, 0,
180 SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
181}
182
183
184static const struct hda_pcm_stream si3054_pcm = {
185 .substreams = 1,
186 .channels_min = 1,
187 .channels_max = 1,
188 .nid = 0x1,
189 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_KNOT,
190 .formats = SNDRV_PCM_FMTBIT_S16_LE,
191 .maxbps = 16,
192 .ops = {
193 .open = si3054_pcm_open,
194 .prepare = si3054_pcm_prepare,
195 },
196};
197
198
199static int si3054_build_pcms(struct hda_codec *codec)
200{
201 struct hda_pcm *info;
202
203 info = snd_hda_codec_pcm_new(codec, "Si3054 Modem");
204 if (!info)
205 return -ENOMEM;
206 info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm;
207 info->stream[SNDRV_PCM_STREAM_CAPTURE] = si3054_pcm;
208 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = codec->core.mfg;
209 info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = codec->core.mfg;
210 info->pcm_type = HDA_PCM_TYPE_MODEM;
211 return 0;
212}
213
214
215
216
217
218
219static int si3054_init(struct hda_codec *codec)
220{
221 struct si3054_spec *spec = codec->spec;
222 unsigned wait_count;
223 u16 val;
224
225 if (snd_hdac_regmap_add_vendor_verb(&codec->core,
226 SI3054_VERB_WRITE_NODE))
227 return -ENOMEM;
228
229 snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0);
230 snd_hda_codec_write(codec, codec->core.mfg, 0, AC_VERB_SET_STREAM_FORMAT, 0);
231 SET_REG(codec, SI3054_LINE_RATE, 9600);
232 SET_REG(codec, SI3054_LINE_LEVEL, SI3054_DTAG_MASK|SI3054_ATAG_MASK);
233 SET_REG(codec, SI3054_EXTENDED_MID, 0);
234
235 wait_count = 10;
236 do {
237 msleep(2);
238 val = GET_REG(codec, SI3054_EXTENDED_MID);
239 } while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--);
240
241 if((val&SI3054_MEI_READY) != SI3054_MEI_READY) {
242 codec_err(codec, "si3054: cannot initialize. EXT MID = %04x\n", val);
243
244
245 }
246
247 SET_REG(codec, SI3054_GPIO_POLARITY, 0xffff);
248 SET_REG(codec, SI3054_GPIO_CFG, 0x0);
249 SET_REG(codec, SI3054_MISC_AFE, 0);
250 SET_REG(codec, SI3054_LINE_CFG1,0x200);
251
252 if((GET_REG(codec,SI3054_LINE_STATUS) & (1<<6)) == 0) {
253 codec_dbg(codec,
254 "Link Frame Detect(FDT) is not ready (line status: %04x)\n",
255 GET_REG(codec,SI3054_LINE_STATUS));
256 }
257
258 spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL;
259
260 return 0;
261}
262
263static void si3054_free(struct hda_codec *codec)
264{
265 kfree(codec->spec);
266}
267
268
269
270
271
272static const struct hda_codec_ops si3054_patch_ops = {
273 .build_controls = si3054_build_controls,
274 .build_pcms = si3054_build_pcms,
275 .init = si3054_init,
276 .free = si3054_free,
277};
278
279static int patch_si3054(struct hda_codec *codec)
280{
281 struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL);
282 if (spec == NULL)
283 return -ENOMEM;
284 codec->spec = spec;
285 codec->patch_ops = si3054_patch_ops;
286 return 0;
287}
288
289
290
291
292static const struct hda_device_id snd_hda_id_si3054[] = {
293 HDA_CODEC_ENTRY(0x163c3055, "Si3054", patch_si3054),
294 HDA_CODEC_ENTRY(0x163c3155, "Si3054", patch_si3054),
295 HDA_CODEC_ENTRY(0x11c13026, "Si3054", patch_si3054),
296 HDA_CODEC_ENTRY(0x11c13055, "Si3054", patch_si3054),
297 HDA_CODEC_ENTRY(0x11c13155, "Si3054", patch_si3054),
298 HDA_CODEC_ENTRY(0x10573055, "Si3054", patch_si3054),
299 HDA_CODEC_ENTRY(0x10573057, "Si3054", patch_si3054),
300 HDA_CODEC_ENTRY(0x10573155, "Si3054", patch_si3054),
301
302 HDA_CODEC_ENTRY(0x11063288, "Si3054", patch_si3054),
303
304 HDA_CODEC_ENTRY(0x15433155, "Si3054", patch_si3054),
305
306 HDA_CODEC_ENTRY(0x18540018, "Si3054", patch_si3054),
307 {}
308};
309MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_si3054);
310
311MODULE_LICENSE("GPL");
312MODULE_DESCRIPTION("Si3054 HD-audio modem codec");
313
314static struct hda_codec_driver si3054_driver = {
315 .id = snd_hda_id_si3054,
316};
317
318module_hda_codec_driver(si3054_driver);
319
