xref: /openbmc/linux/sound/pci/oxygen/virtuoso.c (revision 7c014159)
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  * CMI8788:
22  *
23  * SPI 0 -> 1st PCM1796 (front)
24  * SPI 1 -> 2nd PCM1796 (surround)
25  * SPI 2 -> 3rd PCM1796 (center/LFE)
26  * SPI 4 -> 4th PCM1796 (back)
27  *
28  * GPIO 2 -> M0 of CS5381
29  * GPIO 3 -> M1 of CS5381
30  * GPIO 5 <- external power present (D2X only)
31  * GPIO 7 -> ALT
32  * GPIO 8 -> enable output to speakers
33  *
34  * CM9780:
35  *
36  * GPIO 0 -> enable AC'97 bypass (line in -> ADC)
37  */
38 
39 #include <linux/pci.h>
40 #include <linux/delay.h>
41 #include <linux/mutex.h>
42 #include <sound/ac97_codec.h>
43 #include <sound/control.h>
44 #include <sound/core.h>
45 #include <sound/initval.h>
46 #include <sound/pcm.h>
47 #include <sound/tlv.h>
48 #include "oxygen.h"
49 #include "cm9780.h"
50 
51 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
52 MODULE_DESCRIPTION("Asus AV200 driver");
53 MODULE_LICENSE("GPL");
54 MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}");
55 
56 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
57 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
58 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
59 
60 module_param_array(index, int, NULL, 0444);
61 MODULE_PARM_DESC(index, "card index");
62 module_param_array(id, charp, NULL, 0444);
63 MODULE_PARM_DESC(id, "ID string");
64 module_param_array(enable, bool, NULL, 0444);
65 MODULE_PARM_DESC(enable, "enable card");
66 
67 static struct pci_device_id xonar_ids[] __devinitdata = {
68 	{ OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */
69 	{ OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */
70 	{ }
71 };
72 MODULE_DEVICE_TABLE(pci, xonar_ids);
73 
74 
75 #define GPIO_CS5381_M_MASK	0x000c
76 #define GPIO_CS5381_M_SINGLE	0x0000
77 #define GPIO_CS5381_M_DOUBLE	0x0004
78 #define GPIO_CS5381_M_QUAD	0x0008
79 #define GPIO_EXT_POWER		0x0020
80 #define GPIO_ALT		0x0080
81 #define GPIO_OUTPUT_ENABLE	0x0100
82 
83 #define GPIO_LINE_MUTE		CM9780_GPO0
84 
85 /* register 16 */
86 #define PCM1796_ATL_MASK	0xff
87 /* register 17 */
88 #define PCM1796_ATR_MASK	0xff
89 /* register 18 */
90 #define PCM1796_MUTE		0x01
91 #define PCM1796_DME		0x02
92 #define PCM1796_DMF_MASK	0x0c
93 #define PCM1796_DMF_DISABLED	0x00
94 #define PCM1796_DMF_48		0x04
95 #define PCM1796_DMF_441		0x08
96 #define PCM1796_DMF_32		0x0c
97 #define PCM1796_FMT_MASK	0x70
98 #define PCM1796_FMT_16_RJUST	0x00
99 #define PCM1796_FMT_20_RJUST	0x10
100 #define PCM1796_FMT_24_RJUST	0x20
101 #define PCM1796_FMT_24_LJUST	0x30
102 #define PCM1796_FMT_16_I2S	0x40
103 #define PCM1796_FMT_24_I2S	0x50
104 #define PCM1796_ATLD		0x80
105 /* register 19 */
106 #define PCM1796_INZD		0x01
107 #define PCM1796_FLT_MASK	0x02
108 #define PCM1796_FLT_SHARP	0x00
109 #define PCM1796_FLT_SLOW	0x02
110 #define PCM1796_DFMS		0x04
111 #define PCM1796_OPE		0x10
112 #define PCM1796_ATS_MASK	0x60
113 #define PCM1796_ATS_1		0x00
114 #define PCM1796_ATS_2		0x20
115 #define PCM1796_ATS_4		0x40
116 #define PCM1796_ATS_8		0x60
117 #define PCM1796_REV		0x80
118 /* register 20 */
119 #define PCM1796_OS_MASK		0x03
120 #define PCM1796_OS_64		0x00
121 #define PCM1796_OS_32		0x01
122 #define PCM1796_OS_128		0x02
123 #define PCM1796_CHSL_MASK	0x04
124 #define PCM1796_CHSL_LEFT	0x00
125 #define PCM1796_CHSL_RIGHT	0x04
126 #define PCM1796_MONO		0x08
127 #define PCM1796_DFTH		0x10
128 #define PCM1796_DSD		0x20
129 #define PCM1796_SRST		0x40
130 /* register 21 */
131 #define PCM1796_PCMZ		0x01
132 #define PCM1796_DZ_MASK		0x06
133 /* register 22 */
134 #define PCM1796_ZFGL		0x01
135 #define PCM1796_ZFGR		0x02
136 /* register 23 */
137 #define PCM1796_ID_MASK		0x1f
138 
139 struct xonar_data {
140 	u8 is_d2x;
141 	u8 has_power;
142 };
143 
144 static void pcm1796_write(struct oxygen *chip, unsigned int codec,
145 			  u8 reg, u8 value)
146 {
147 	/* maps ALSA channel pair number to SPI output */
148 	static const u8 codec_map[4] = {
149 		0, 1, 2, 4
150 	};
151 	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
152 			 OXYGEN_SPI_DATA_LENGTH_2 |
153 			 OXYGEN_SPI_CLOCK_160 |
154 			 (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
155 			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
156 			 (reg << 8) | value);
157 }
158 
159 static void xonar_init(struct oxygen *chip)
160 {
161 	struct xonar_data *data = chip->model_data;
162 	unsigned int i;
163 
164 	data->is_d2x = chip->pci->subsystem_device == 0x82b7;
165 
166 	for (i = 0; i < 4; ++i) {
167 		pcm1796_write(chip, i, 18, PCM1796_FMT_24_LJUST | PCM1796_ATLD);
168 		pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
169 		pcm1796_write(chip, i, 20, PCM1796_OS_64);
170 		pcm1796_write(chip, i, 21, 0);
171 		pcm1796_write(chip, i, 16, 0xff); /* set ATL/ATR after ATLD */
172 		pcm1796_write(chip, i, 17, 0xff);
173 	}
174 
175 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
176 			  GPIO_CS5381_M_MASK | GPIO_ALT);
177 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
178 			      GPIO_CS5381_M_SINGLE,
179 			      GPIO_CS5381_M_MASK | GPIO_ALT);
180 	if (data->is_d2x) {
181 		oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
182 				    GPIO_EXT_POWER);
183 		oxygen_set_bits16(chip, OXYGEN_GPIO_INTERRUPT_MASK,
184 				  GPIO_EXT_POWER);
185 		chip->interrupt_mask |= OXYGEN_INT_GPIO;
186 		data->has_power = !!(oxygen_read16(chip, OXYGEN_GPIO_DATA)
187 				     & GPIO_EXT_POWER);
188 	}
189 	oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
190 	oxygen_ac97_clear_bits(chip, 0, CM9780_GPIO_STATUS, GPIO_LINE_MUTE);
191 	msleep(300);
192 	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_OUTPUT_ENABLE);
193 	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
194 
195 	snd_component_add(chip->card, "PCM1796");
196 	snd_component_add(chip->card, "CS5381");
197 }
198 
199 static void xonar_cleanup(struct oxygen *chip)
200 {
201 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
202 }
203 
204 static void set_pcm1796_params(struct oxygen *chip,
205 			       struct snd_pcm_hw_params *params)
206 {
207 #if 0
208 	unsigned int i;
209 	u8 value;
210 
211 	value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
212 	for (i = 0; i < 4; ++i)
213 		pcm1796_write(chip, i, 20, value);
214 #endif
215 }
216 
217 static void update_pcm1796_volume(struct oxygen *chip)
218 {
219 	unsigned int i;
220 
221 	for (i = 0; i < 4; ++i) {
222 		pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]);
223 		pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]);
224 	}
225 }
226 
227 static void update_pcm1796_mute(struct oxygen *chip)
228 {
229 	unsigned int i;
230 	u8 value;
231 
232 	value = PCM1796_FMT_24_LJUST | PCM1796_ATLD;
233 	if (chip->dac_mute)
234 		value |= PCM1796_MUTE;
235 	for (i = 0; i < 4; ++i)
236 		pcm1796_write(chip, i, 18, value);
237 }
238 
239 static void set_cs5381_params(struct oxygen *chip,
240 			      struct snd_pcm_hw_params *params)
241 {
242 	unsigned int value;
243 
244 	if (params_rate(params) <= 54000)
245 		value = GPIO_CS5381_M_SINGLE;
246 	else if (params_rate(params) <= 108000)
247 		value = GPIO_CS5381_M_DOUBLE;
248 	else
249 		value = GPIO_CS5381_M_QUAD;
250 	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
251 			      value, GPIO_CS5381_M_MASK);
252 }
253 
254 static void xonar_gpio_changed(struct oxygen *chip)
255 {
256 	struct xonar_data *data = chip->model_data;
257 	u8 has_power;
258 
259 	if (!data->is_d2x)
260 		return;
261 	has_power = !!(oxygen_read16(chip, OXYGEN_GPIO_DATA)
262 		       & GPIO_EXT_POWER);
263 	if (has_power != data->has_power) {
264 		data->has_power = has_power;
265 		if (has_power) {
266 			snd_printk(KERN_NOTICE "power restored\n");
267 		} else {
268 			snd_printk(KERN_CRIT
269 				   "Hey! Don't unplug the power cable!\n");
270 			/* TODO: stop PCMs */
271 		}
272 	}
273 }
274 
275 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
276 {
277 	unsigned int index = chip->controls[control]->private_value & 0xff;
278 	u16 value;
279 
280 	value = oxygen_read_ac97(chip, 0, index);
281 	if (!(value & 0x8000)) {
282 		oxygen_write_ac97(chip, 0, index, value | 0x8000);
283 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
284 			       &chip->controls[control]->id);
285 	}
286 }
287 
288 static void xonar_ac97_switch_hook(struct oxygen *chip, unsigned int codec,
289 				   unsigned int reg, int mute)
290 {
291 	if (codec != 0)
292 		return;
293 	/* line-in is exclusive */
294 	switch (reg) {
295 	case AC97_LINE:
296 		oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
297 					 mute ? GPIO_LINE_MUTE : 0,
298 					 GPIO_LINE_MUTE);
299 		if (!mute) {
300 			mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
301 			mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
302 			mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
303 		}
304 		break;
305 	case AC97_MIC:
306 	case AC97_CD:
307 	case AC97_VIDEO:
308 	case AC97_AUX:
309 		if (!mute) {
310 			oxygen_ac97_set_bits(chip, 0, CM9780_GPIO_STATUS,
311 					     GPIO_LINE_MUTE);
312 			mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
313 		}
314 		break;
315 	}
316 }
317 
318 static int pcm1796_volume_info(struct snd_kcontrol *ctl,
319 			       struct snd_ctl_elem_info *info)
320 {
321 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
322 	info->count = 8;
323 	info->value.integer.min = 0x0f;
324 	info->value.integer.max = 0xff;
325 	return 0;
326 }
327 
328 static int alt_switch_get(struct snd_kcontrol *ctl,
329 			  struct snd_ctl_elem_value *value)
330 {
331 	struct oxygen *chip = ctl->private_data;
332 
333 	value->value.integer.value[0] =
334 		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_ALT);
335 	return 0;
336 }
337 
338 static int alt_switch_put(struct snd_kcontrol *ctl,
339 			  struct snd_ctl_elem_value *value)
340 {
341 	struct oxygen *chip = ctl->private_data;
342 	u16 old_bits, new_bits;
343 	int changed;
344 
345 	spin_lock_irq(&chip->reg_lock);
346 	old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
347 	if (value->value.integer.value[0])
348 		new_bits = old_bits | GPIO_ALT;
349 	else
350 		new_bits = old_bits & ~GPIO_ALT;
351 	changed = new_bits != old_bits;
352 	if (changed)
353 		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
354 	spin_unlock_irq(&chip->reg_lock);
355 	return changed;
356 }
357 
358 static const struct snd_kcontrol_new alt_switch = {
359 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
360 	.name = "Analog Loopback Switch",
361 	.info = snd_ctl_boolean_mono_info,
362 	.get = alt_switch_get,
363 	.put = alt_switch_put,
364 };
365 
366 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
367 
368 static int xonar_control_filter(struct snd_kcontrol_new *template)
369 {
370 	if (!strcmp(template->name, "Master Playback Volume")) {
371 		template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
372 		template->info = pcm1796_volume_info,
373 		template->tlv.p = pcm1796_db_scale;
374 	} else if (!strncmp(template->name, "CD Capture ", 11)) {
375 		/* CD in is actually connected to the video in pin */
376 		template->private_value ^= AC97_CD ^ AC97_VIDEO;
377 	} else if (!strcmp(template->name, "Line Capture Volume")) {
378 		return 1; /* line-in bypasses the AC'97 mixer */
379 	}
380 	return 0;
381 }
382 
383 static int xonar_mixer_init(struct oxygen *chip)
384 {
385 	return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
386 }
387 
388 static const struct oxygen_model model_xonar = {
389 	.shortname = "Asus AV200",
390 	.longname = "Asus Virtuoso 200",
391 	.chip = "AV200",
392 	.init = xonar_init,
393 	.control_filter = xonar_control_filter,
394 	.mixer_init = xonar_mixer_init,
395 	.cleanup = xonar_cleanup,
396 	.set_dac_params = set_pcm1796_params,
397 	.set_adc_params = set_cs5381_params,
398 	.update_dac_volume = update_pcm1796_volume,
399 	.update_dac_mute = update_pcm1796_mute,
400 	.ac97_switch_hook = xonar_ac97_switch_hook,
401 	.gpio_changed = xonar_gpio_changed,
402 	.model_data_size = sizeof(struct xonar_data),
403 	.dac_channels = 8,
404 	.used_channels = OXYGEN_CHANNEL_B |
405 			 OXYGEN_CHANNEL_C |
406 			 OXYGEN_CHANNEL_SPDIF |
407 			 OXYGEN_CHANNEL_MULTICH,
408 	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
409 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
410 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
411 };
412 
413 static int __devinit xonar_probe(struct pci_dev *pci,
414 				 const struct pci_device_id *pci_id)
415 {
416 	static int dev;
417 	int err;
418 
419 	if (dev >= SNDRV_CARDS)
420 		return -ENODEV;
421 	if (!enable[dev]) {
422 		++dev;
423 		return -ENOENT;
424 	}
425 	err = oxygen_pci_probe(pci, index[dev], id[dev], 1, &model_xonar);
426 	if (err >= 0)
427 		++dev;
428 	return err;
429 }
430 
431 static struct pci_driver xonar_driver = {
432 	.name = "AV200",
433 	.id_table = xonar_ids,
434 	.probe = xonar_probe,
435 	.remove = __devexit_p(oxygen_pci_remove),
436 };
437 
438 static int __init alsa_card_xonar_init(void)
439 {
440 	return pci_register_driver(&xonar_driver);
441 }
442 
443 static void __exit alsa_card_xonar_exit(void)
444 {
445 	pci_unregister_driver(&xonar_driver);
446 }
447 
448 module_init(alsa_card_xonar_init)
449 module_exit(alsa_card_xonar_exit)
450