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[ALSA] oxygen: add control filter to model struct
[linux-2.6-omap-h63xx.git] / sound / pci / oxygen / virtuoso.c
1 /*
2  * C-Media CMI8788 driver for Asus Xonar cards
3  *
4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5  *
6  *
7  *  This driver is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License, version 2.
9  *
10  *  This driver is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this driver; if not, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
18  */
19
20 /*
21  * SPI 0 -> 1st PCM1796 (front)
22  * SPI 1 -> 2nd PCM1796 (surround)
23  * SPI 2 -> 3rd PCM1796 (center/LFE)
24  * SPI 4 -> 4th PCM1796 (back)
25  *
26  * GPIO 2 -> M0 of CS5381
27  * GPIO 3 -> M1 of CS5381
28  * GPIO 5 <- ? (D2X only)
29  * GPIO 7 -> ALT
30  * GPIO 8 -> ? (amps enable?)
31  */
32
33 #include <linux/pci.h>
34 #include <linux/delay.h>
35 #include <linux/mutex.h>
36 #include <sound/ac97_codec.h>
37 #include <sound/control.h>
38 #include <sound/core.h>
39 #include <sound/initval.h>
40 #include <sound/pcm.h>
41 #include <sound/tlv.h>
42 #include "oxygen.h"
43
44 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
45 MODULE_DESCRIPTION("Asus AV200 driver");
46 MODULE_LICENSE("GPL");
47 MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}");
48
49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
51 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
52
53 module_param_array(index, int, NULL, 0444);
54 MODULE_PARM_DESC(index, "card index");
55 module_param_array(id, charp, NULL, 0444);
56 MODULE_PARM_DESC(id, "ID string");
57 module_param_array(enable, bool, NULL, 0444);
58 MODULE_PARM_DESC(enable, "enable card");
59
60 static struct pci_device_id xonar_ids[] __devinitdata = {
61         { OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */
62         { OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */
63         { }
64 };
65 MODULE_DEVICE_TABLE(pci, xonar_ids);
66
67 /* register 0x12 */
68 #define PCM1796_MUTE            0x01
69 #define PCM1796_FMT_24_MSB      0x30
70 #define PCM1796_ATLD            0x80
71 /* register 0x14 */
72 #define PCM1796_OS_64           0x00
73 #define PCM1796_OS_32           0x01
74 #define PCM1796_OS_128          0x02
75
76 static void pcm1796_write(struct oxygen *chip, unsigned int codec,
77                           u8 reg, u8 value)
78 {
79         /* maps ALSA channel pair number to SPI output */
80         static const u8 codec_map[4] = {
81                 0, 1, 2, 4
82         };
83         oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
84                          OXYGEN_SPI_DATA_LENGTH_2 |
85                          (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
86                          OXYGEN_SPI_MAGIC,
87                          (reg << 8) | value);
88 }
89
90 static void xonar_init(struct oxygen *chip)
91 {
92         unsigned int i;
93
94         for (i = 0; i < 4; ++i) {
95                 pcm1796_write(chip, i, 0x12, PCM1796_FMT_24_MSB | PCM1796_ATLD);
96                 pcm1796_write(chip, i, 0x13, 0);
97                 pcm1796_write(chip, i, 0x14, PCM1796_OS_64);
98                 pcm1796_write(chip, i, 0x15, 0);
99                 pcm1796_write(chip, i, 0x10, 0xff);
100                 pcm1796_write(chip, i, 0x11, 0xff);
101         }
102
103         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x8c);
104         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 0x00, 0x8c);
105 #if 0
106         oxygen_clear_bits16(chip, OXYGEN_I2S_MULTICH_FORMAT,
107                             OXYGEN_I2S_MAGIC1_MASK);
108 #endif
109         oxygen_ac97_set_bits(chip, 0, 0x62, 0x0080);
110         msleep(300);
111         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x100);
112         oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
113
114         snd_component_add(chip->card, "PCM1796");
115         snd_component_add(chip->card, "CS5381");
116 }
117
118 static void xonar_cleanup(struct oxygen *chip)
119 {
120         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
121 }
122
123 static void set_pcm1796_params(struct oxygen *chip,
124                                struct snd_pcm_hw_params *params)
125 {
126 #if 0
127         unsigned int i;
128         u8 value;
129
130         value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
131         for (i = 0; i < 4; ++i)
132                 pcm1796_write(chip, i, 0x14, value);
133 #endif
134 }
135
136 static void update_pcm1796_volume(struct oxygen *chip)
137 {
138         unsigned int i;
139
140         for (i = 0; i < 4; ++i) {
141                 pcm1796_write(chip, i, 0x10, chip->dac_volume[i * 2]);
142                 pcm1796_write(chip, i, 0x11, chip->dac_volume[i * 2 + 1]);
143         }
144 }
145
146 static void update_pcm1796_mute(struct oxygen *chip)
147 {
148         unsigned int i;
149         u8 value;
150
151         value = PCM1796_FMT_24_MSB | PCM1796_ATLD;
152         if (chip->dac_mute)
153                 value |= PCM1796_MUTE;
154         for (i = 0; i < 4; ++i)
155                 pcm1796_write(chip, i, 0x12, value);
156 }
157
158 static void set_cs5381_params(struct oxygen *chip,
159                               struct snd_pcm_hw_params *params)
160 {
161         unsigned int value;
162
163         if (params_rate(params) <= 54000)
164                 value = 0;
165         else if (params_rate(params) <= 108000)
166                 value = 4;
167         else
168                 value = 8;
169         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c);
170 }
171
172 static int pcm1796_volume_info(struct snd_kcontrol *ctl,
173                                struct snd_ctl_elem_info *info)
174 {
175         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
176         info->count = 8;
177         info->value.integer.min = 0x0f;
178         info->value.integer.max = 0xff;
179         return 0;
180 }
181
182 static int alt_switch_get(struct snd_kcontrol *ctl,
183                           struct snd_ctl_elem_value *value)
184 {
185         struct oxygen *chip = ctl->private_data;
186
187         value->value.integer.value[0] =
188                 !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & 0x80);
189         return 0;
190 }
191
192 static int alt_switch_put(struct snd_kcontrol *ctl,
193                           struct snd_ctl_elem_value *value)
194 {
195         struct oxygen *chip = ctl->private_data;
196         u16 old_bits, new_bits;
197         int changed;
198
199         spin_lock_irq(&chip->reg_lock);
200         old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
201         if (value->value.integer.value[0])
202                 new_bits = old_bits | 0x80;
203         else
204                 new_bits = old_bits & ~0x80;
205         changed = new_bits != old_bits;
206         if (changed)
207                 oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
208         spin_unlock_irq(&chip->reg_lock);
209         return changed;
210 }
211
212 static const struct snd_kcontrol_new alt_switch = {
213         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
214         .name = "Analog Loopback Switch",
215         .info = snd_ctl_boolean_mono_info,
216         .get = alt_switch_get,
217         .put = alt_switch_put,
218 };
219
220 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
221
222 static int xonar_control_filter(struct snd_kcontrol_new *template)
223 {
224         if (!strcmp(template->name, "Master Playback Volume")) {
225                 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
226                 template->info = pcm1796_volume_info,
227                 template->tlv.p = pcm1796_db_scale;
228         } else if (!strncmp(template->name, "CD Capture ", 11)) {
229                 template->private_value ^= AC97_CD ^ AC97_VIDEO;
230         }
231         return 0;
232 }
233
234 static int xonar_mixer_init(struct oxygen *chip)
235 {
236         return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
237 }
238
239 static const struct oxygen_model model_xonar = {
240         .shortname = "Asus AV200",
241         .longname = "Asus Virtuoso 200",
242         .chip = "AV200",
243         .init = xonar_init,
244         .control_filter = xonar_control_filter,
245         .mixer_init = xonar_mixer_init,
246         .cleanup = xonar_cleanup,
247         .set_dac_params = set_pcm1796_params,
248         .set_adc_params = set_cs5381_params,
249         .update_dac_volume = update_pcm1796_volume,
250         .update_dac_mute = update_pcm1796_mute,
251         .used_channels = OXYGEN_CHANNEL_B |
252                          OXYGEN_CHANNEL_C |
253                          OXYGEN_CHANNEL_SPDIF |
254                          OXYGEN_CHANNEL_MULTICH,
255         .function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
256 };
257
258 static int __devinit xonar_probe(struct pci_dev *pci,
259                                  const struct pci_device_id *pci_id)
260 {
261         static int dev;
262         int err;
263
264         if (dev >= SNDRV_CARDS)
265                 return -ENODEV;
266         if (!enable[dev]) {
267                 ++dev;
268                 return -ENOENT;
269         }
270         err = oxygen_pci_probe(pci, index[dev], id[dev], &model_xonar);
271         if (err >= 0)
272                 ++dev;
273         return err;
274 }
275
276 static struct pci_driver xonar_driver = {
277         .name = "AV200",
278         .id_table = xonar_ids,
279         .probe = xonar_probe,
280         .remove = __devexit_p(oxygen_pci_remove),
281 };
282
283 static int __init alsa_card_xonar_init(void)
284 {
285         return pci_register_driver(&xonar_driver);
286 }
287
288 static void __exit alsa_card_xonar_exit(void)
289 {
290         pci_unregister_driver(&xonar_driver);
291 }
292
293 module_init(alsa_card_xonar_init)
294 module_exit(alsa_card_xonar_exit)