xref: /openbmc/linux/sound/pci/oxygen/virtuoso.c (revision 1b8ff22f)
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 (side)
23  * SPI 2 -> 3rd PCM1796 (center/LFE)
24  * SPI 4 -> 4th PCM1796 (rear)
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 <sound/driver.h>
34 #include <linux/pci.h>
35 #include <linux/delay.h>
36 #include <sound/control.h>
37 #include <sound/core.h>
38 #include <sound/initval.h>
39 #include <sound/pcm.h>
40 #include <sound/tlv.h>
41 #include "oxygen.h"
42 
43 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
44 MODULE_DESCRIPTION("Asus AV200 driver");
45 MODULE_LICENSE("GPL");
46 MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}");
47 
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
51 
52 module_param_array(index, int, NULL, 0444);
53 MODULE_PARM_DESC(index, "card index");
54 module_param_array(id, charp, NULL, 0444);
55 MODULE_PARM_DESC(id, "ID string");
56 module_param_array(enable, bool, NULL, 0444);
57 MODULE_PARM_DESC(enable, "enable card");
58 
59 static struct pci_device_id xonar_ids[] __devinitdata = {
60 	{ OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */
61 	{ OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */
62 	{ }
63 };
64 MODULE_DEVICE_TABLE(pci, xonar_ids);
65 
66 /* register 0x12 */
67 #define PCM1796_MUTE		0x01
68 #define PCM1796_FMT_24_MSB	0x30
69 #define PCM1796_ATLD		0x80
70 /* register 0x14 */
71 #define PCM1796_OS_64		0x00
72 #define PCM1796_OS_32		0x01
73 #define PCM1796_OS_128		0x02
74 
75 static void pcm1796_write(struct oxygen *chip, unsigned int codec,
76 			  u8 reg, u8 value)
77 {
78 	/* maps ALSA channel pair number to SPI output */
79 	static const u8 codec_map[4] = {
80 		0, 4, 2, 1
81 	};
82 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
83 			 OXYGEN_SPI_DATA_LENGTH_2 |
84 			 (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
85 			 OXYGEN_SPI_MAGIC,
86 			 (reg << 8) | value);
87 }
88 
89 static void xonar_init(struct oxygen *chip)
90 {
91 	unsigned int i;
92 
93 	for (i = 0; i < 4; ++i) {
94 		pcm1796_write(chip, i, 0x12, PCM1796_FMT_24_MSB | PCM1796_ATLD);
95 		pcm1796_write(chip, i, 0x13, 0);
96 		pcm1796_write(chip, i, 0x14, PCM1796_OS_64);
97 		pcm1796_write(chip, i, 0x15, 0);
98 		pcm1796_write(chip, i, 0x10, 0xff);
99 		pcm1796_write(chip, i, 0x11, 0xff);
100 	}
101 
102 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x8c);
103 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 0x00, 0x8c);
104 #if 0
105 	oxygen_clear_bits16(chip, OXYGEN_I2S_MULTICH_FORMAT,
106 			    OXYGEN_I2S_MAGIC1_MASK);
107 #endif
108 	oxygen_ac97_set_bits(chip, 0, 0x62, 0x0080);
109 	msleep(300);
110 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x100);
111 	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
112 
113 	snd_component_add(chip->card, "PCM1796");
114 	snd_component_add(chip->card, "CS5381");
115 }
116 
117 static void xonar_cleanup(struct oxygen *chip)
118 {
119 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
120 }
121 
122 static void set_pcm1796_params(struct oxygen *chip,
123 			       struct snd_pcm_hw_params *params)
124 {
125 #if 0
126 	unsigned int i;
127 	u8 value;
128 
129 	value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
130 	for (i = 0; i < 4; ++i)
131 		pcm1796_write(chip, i, 0x14, value);
132 #endif
133 }
134 
135 static void update_pcm1796_volume(struct oxygen *chip)
136 {
137 	unsigned int i;
138 
139 	for (i = 0; i < 4; ++i) {
140 		pcm1796_write(chip, i, 0x10, chip->dac_volume[i * 2]);
141 		pcm1796_write(chip, i, 0x11, chip->dac_volume[i * 2 + 1]);
142 	}
143 }
144 
145 static void update_pcm1796_mute(struct oxygen *chip)
146 {
147 	unsigned int i;
148 	u8 value;
149 
150 	value = PCM1796_FMT_24_MSB | PCM1796_ATLD;
151 	if (chip->dac_mute)
152 		value |= PCM1796_MUTE;
153 	for (i = 0; i < 4; ++i)
154 		pcm1796_write(chip, i, 0x12, value);
155 }
156 
157 static void set_cs5381_params(struct oxygen *chip,
158 			      struct snd_pcm_hw_params *params)
159 {
160 	unsigned int value;
161 
162 	if (params_rate(params) <= 54000)
163 		value = 0;
164 	else if (params_rate(params) <= 108000)
165 		value = 4;
166 	else
167 		value = 8;
168 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c);
169 }
170 
171 static int alt_switch_get(struct snd_kcontrol *ctl,
172 			  struct snd_ctl_elem_value *value)
173 {
174 	struct oxygen *chip = ctl->private_data;
175 
176 	value->value.integer.value[0] =
177 		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & 0x80);
178 	return 0;
179 }
180 
181 static int alt_switch_put(struct snd_kcontrol *ctl,
182 			  struct snd_ctl_elem_value *value)
183 {
184 	struct oxygen *chip = ctl->private_data;
185 	u16 old_bits, new_bits;
186 	int changed;
187 
188 	spin_lock_irq(&chip->reg_lock);
189 	old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
190 	if (value->value.integer.value[0])
191 		new_bits = old_bits | 0x80;
192 	else
193 		new_bits = old_bits & ~0x80;
194 	changed = new_bits != old_bits;
195 	if (changed)
196 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
197 	spin_unlock_irq(&chip->reg_lock);
198 	return changed;
199 }
200 
201 static const struct snd_kcontrol_new alt_switch = {
202 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
203 	.name = "Analog Loopback Switch",
204 	.info = snd_ctl_boolean_mono_info,
205 	.get = alt_switch_get,
206 	.put = alt_switch_put,
207 };
208 
209 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
210 
211 static int xonar_mixer_init(struct oxygen *chip)
212 {
213 	return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
214 }
215 
216 static const struct oxygen_model model_xonar = {
217 	.shortname = "Asus AV200",
218 	.longname = "Asus Virtuoso 200",
219 	.chip = "AV200",
220 	.init = xonar_init,
221 	.mixer_init = xonar_mixer_init,
222 	.cleanup = xonar_cleanup,
223 	.set_dac_params = set_pcm1796_params,
224 	.set_adc_params = set_cs5381_params,
225 	.update_dac_volume = update_pcm1796_volume,
226 	.update_dac_mute = update_pcm1796_mute,
227 	.dac_tlv = pcm1796_db_scale,
228 	.record_from_dma_b = 1,
229 	.cd_in_from_video_in = 1,
230 	.dac_minimum_volume = 15,
231 };
232 
233 static int __devinit xonar_probe(struct pci_dev *pci,
234 				 const struct pci_device_id *pci_id)
235 {
236 	static int dev;
237 	int err;
238 
239 	if (dev >= SNDRV_CARDS)
240 		return -ENODEV;
241 	if (!enable[dev]) {
242 		++dev;
243 		return -ENOENT;
244 	}
245 	err = oxygen_pci_probe(pci, index[dev], id[dev], &model_xonar);
246 	if (err >= 0)
247 		++dev;
248 	return err;
249 }
250 
251 static struct pci_driver xonar_driver = {
252 	.name = "AV200",
253 	.id_table = xonar_ids,
254 	.probe = xonar_probe,
255 	.remove = __devexit_p(oxygen_pci_remove),
256 };
257 
258 static int __init alsa_card_xonar_init(void)
259 {
260 	return pci_register_driver(&xonar_driver);
261 }
262 
263 static void __exit alsa_card_xonar_exit(void)
264 {
265 	pci_unregister_driver(&xonar_driver);
266 }
267 
268 module_init(alsa_card_xonar_init)
269 module_exit(alsa_card_xonar_exit)
270