]> err.no Git - linux-2.6/blob - sound/pci/oxygen/virtuoso.c
[ALSA] oxygen: remove MIDI autodetection
[linux-2.6] / 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  |
84                          OXYGEN_SPI_DATA_LENGTH_2 |
85                          OXYGEN_SPI_CLOCK_160 |
86                          (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
87                          OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
88                          (reg << 8) | value);
89 }
90
91 static void xonar_init(struct oxygen *chip)
92 {
93         unsigned int i;
94
95         for (i = 0; i < 4; ++i) {
96                 pcm1796_write(chip, i, 0x12, PCM1796_FMT_24_MSB | PCM1796_ATLD);
97                 pcm1796_write(chip, i, 0x13, 0);
98                 pcm1796_write(chip, i, 0x14, PCM1796_OS_64);
99                 pcm1796_write(chip, i, 0x15, 0);
100                 pcm1796_write(chip, i, 0x10, 0xff);
101                 pcm1796_write(chip, i, 0x11, 0xff);
102         }
103
104         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x8c);
105         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 0x00, 0x8c);
106         oxygen_ac97_set_bits(chip, 0, 0x62, 0x0080);
107         msleep(300);
108         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x100);
109         oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
110
111         snd_component_add(chip->card, "PCM1796");
112         snd_component_add(chip->card, "CS5381");
113 }
114
115 static void xonar_cleanup(struct oxygen *chip)
116 {
117         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
118 }
119
120 static void set_pcm1796_params(struct oxygen *chip,
121                                struct snd_pcm_hw_params *params)
122 {
123 #if 0
124         unsigned int i;
125         u8 value;
126
127         value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
128         for (i = 0; i < 4; ++i)
129                 pcm1796_write(chip, i, 0x14, value);
130 #endif
131 }
132
133 static void update_pcm1796_volume(struct oxygen *chip)
134 {
135         unsigned int i;
136
137         for (i = 0; i < 4; ++i) {
138                 pcm1796_write(chip, i, 0x10, chip->dac_volume[i * 2]);
139                 pcm1796_write(chip, i, 0x11, chip->dac_volume[i * 2 + 1]);
140         }
141 }
142
143 static void update_pcm1796_mute(struct oxygen *chip)
144 {
145         unsigned int i;
146         u8 value;
147
148         value = PCM1796_FMT_24_MSB | PCM1796_ATLD;
149         if (chip->dac_mute)
150                 value |= PCM1796_MUTE;
151         for (i = 0; i < 4; ++i)
152                 pcm1796_write(chip, i, 0x12, value);
153 }
154
155 static void set_cs5381_params(struct oxygen *chip,
156                               struct snd_pcm_hw_params *params)
157 {
158         unsigned int value;
159
160         if (params_rate(params) <= 54000)
161                 value = 0;
162         else if (params_rate(params) <= 108000)
163                 value = 4;
164         else
165                 value = 8;
166         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c);
167 }
168
169 static int pcm1796_volume_info(struct snd_kcontrol *ctl,
170                                struct snd_ctl_elem_info *info)
171 {
172         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
173         info->count = 8;
174         info->value.integer.min = 0x0f;
175         info->value.integer.max = 0xff;
176         return 0;
177 }
178
179 static int alt_switch_get(struct snd_kcontrol *ctl,
180                           struct snd_ctl_elem_value *value)
181 {
182         struct oxygen *chip = ctl->private_data;
183
184         value->value.integer.value[0] =
185                 !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & 0x80);
186         return 0;
187 }
188
189 static int alt_switch_put(struct snd_kcontrol *ctl,
190                           struct snd_ctl_elem_value *value)
191 {
192         struct oxygen *chip = ctl->private_data;
193         u16 old_bits, new_bits;
194         int changed;
195
196         spin_lock_irq(&chip->reg_lock);
197         old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
198         if (value->value.integer.value[0])
199                 new_bits = old_bits | 0x80;
200         else
201                 new_bits = old_bits & ~0x80;
202         changed = new_bits != old_bits;
203         if (changed)
204                 oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
205         spin_unlock_irq(&chip->reg_lock);
206         return changed;
207 }
208
209 static const struct snd_kcontrol_new alt_switch = {
210         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
211         .name = "Analog Loopback Switch",
212         .info = snd_ctl_boolean_mono_info,
213         .get = alt_switch_get,
214         .put = alt_switch_put,
215 };
216
217 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
218
219 static int xonar_control_filter(struct snd_kcontrol_new *template)
220 {
221         if (!strcmp(template->name, "Master Playback Volume")) {
222                 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
223                 template->info = pcm1796_volume_info,
224                 template->tlv.p = pcm1796_db_scale;
225         } else if (!strncmp(template->name, "CD Capture ", 11)) {
226                 template->private_value ^= AC97_CD ^ AC97_VIDEO;
227         }
228         return 0;
229 }
230
231 static int xonar_mixer_init(struct oxygen *chip)
232 {
233         return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
234 }
235
236 static const struct oxygen_model model_xonar = {
237         .shortname = "Asus AV200",
238         .longname = "Asus Virtuoso 200",
239         .chip = "AV200",
240         .init = xonar_init,
241         .control_filter = xonar_control_filter,
242         .mixer_init = xonar_mixer_init,
243         .cleanup = xonar_cleanup,
244         .set_dac_params = set_pcm1796_params,
245         .set_adc_params = set_cs5381_params,
246         .update_dac_volume = update_pcm1796_volume,
247         .update_dac_mute = update_pcm1796_mute,
248         .used_channels = OXYGEN_CHANNEL_B |
249                          OXYGEN_CHANNEL_C |
250                          OXYGEN_CHANNEL_SPDIF |
251                          OXYGEN_CHANNEL_MULTICH,
252         .function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
253         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
254         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
255 };
256
257 static int __devinit xonar_probe(struct pci_dev *pci,
258                                  const struct pci_device_id *pci_id)
259 {
260         static int dev;
261         int err;
262
263         if (dev >= SNDRV_CARDS)
264                 return -ENODEV;
265         if (!enable[dev]) {
266                 ++dev;
267                 return -ENOENT;
268         }
269         err = oxygen_pci_probe(pci, index[dev], id[dev], 1, &model_xonar);
270         if (err >= 0)
271                 ++dev;
272         return err;
273 }
274
275 static struct pci_driver xonar_driver = {
276         .name = "AV200",
277         .id_table = xonar_ids,
278         .probe = xonar_probe,
279         .remove = __devexit_p(oxygen_pci_remove),
280 };
281
282 static int __init alsa_card_xonar_init(void)
283 {
284         return pci_register_driver(&xonar_driver);
285 }
286
287 static void __exit alsa_card_xonar_exit(void)
288 {
289         pci_unregister_driver(&xonar_driver);
290 }
291
292 module_init(alsa_card_xonar_init)
293 module_exit(alsa_card_xonar_exit)