xref: /linux/sound/pci/ice1712/ice1712.h (revision f3d9478b2ce468c3115b02ecae7e975990697f15)
1 #ifndef __SOUND_ICE1712_H
2 #define __SOUND_ICE1712_H
3 
4 /*
5  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
6  *
7  *	Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz>
8  *
9  *   This program is free software; you can redistribute it and/or modify
10  *   it under the terms of the GNU General Public License as published by
11  *   the Free Software Foundation; either version 2 of the License, or
12  *   (at your option) any later version.
13  *
14  *   This program is distributed in the hope that it will be useful,
15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *   GNU General Public License for more details.
18  *
19  *   You should have received a copy of the GNU General Public License
20  *   along with this program; if not, write to the Free Software
21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  *
23  */
24 
25 #include <sound/control.h>
26 #include <sound/ac97_codec.h>
27 #include <sound/rawmidi.h>
28 #include <sound/i2c.h>
29 #include <sound/ak4xxx-adda.h>
30 #include <sound/ak4114.h>
31 #include <sound/pcm.h>
32 #include <sound/mpu401.h>
33 
34 
35 /*
36  *  Direct registers
37  */
38 
39 #define ICEREG(ice, x) ((ice)->port + ICE1712_REG_##x)
40 
41 #define ICE1712_REG_CONTROL		0x00	/* byte */
42 #define   ICE1712_RESET			0x80	/* reset whole chip */
43 #define   ICE1712_SERR_LEVEL		0x04	/* SERR# level otherwise edge */
44 #define   ICE1712_NATIVE		0x01	/* native mode otherwise SB */
45 #define ICE1712_REG_IRQMASK		0x01	/* byte */
46 #define   ICE1712_IRQ_MPU1		0x80
47 #define   ICE1712_IRQ_TIMER		0x40
48 #define   ICE1712_IRQ_MPU2		0x20
49 #define   ICE1712_IRQ_PROPCM		0x10
50 #define   ICE1712_IRQ_FM		0x08	/* FM/MIDI - legacy */
51 #define   ICE1712_IRQ_PBKDS		0x04	/* playback DS channels */
52 #define   ICE1712_IRQ_CONCAP		0x02	/* consumer capture */
53 #define   ICE1712_IRQ_CONPBK		0x01	/* consumer playback */
54 #define ICE1712_REG_IRQSTAT		0x02	/* byte */
55 /* look to ICE1712_IRQ_* */
56 #define ICE1712_REG_INDEX		0x03	/* byte - indirect CCIxx regs */
57 #define ICE1712_REG_DATA		0x04	/* byte - indirect CCIxx regs */
58 #define ICE1712_REG_NMI_STAT1		0x05	/* byte */
59 #define ICE1712_REG_NMI_DATA		0x06	/* byte */
60 #define ICE1712_REG_NMI_INDEX		0x07	/* byte */
61 #define ICE1712_REG_AC97_INDEX		0x08	/* byte */
62 #define ICE1712_REG_AC97_CMD		0x09	/* byte */
63 #define   ICE1712_AC97_COLD		0x80	/* cold reset */
64 #define   ICE1712_AC97_WARM		0x40	/* warm reset */
65 #define   ICE1712_AC97_WRITE		0x20	/* W: write, R: write in progress */
66 #define   ICE1712_AC97_READ		0x10	/* W: read, R: read in progress */
67 #define   ICE1712_AC97_READY		0x08	/* codec ready status bit */
68 #define   ICE1712_AC97_PBK_VSR		0x02	/* playback VSR */
69 #define   ICE1712_AC97_CAP_VSR		0x01	/* capture VSR */
70 #define ICE1712_REG_AC97_DATA		0x0a	/* word (little endian) */
71 #define ICE1712_REG_MPU1_CTRL		0x0c	/* byte */
72 #define ICE1712_REG_MPU1_DATA		0x0d	/* byte */
73 #define ICE1712_REG_I2C_DEV_ADDR	0x10	/* byte */
74 #define   ICE1712_I2C_WRITE		0x01	/* write direction */
75 #define ICE1712_REG_I2C_BYTE_ADDR	0x11	/* byte */
76 #define ICE1712_REG_I2C_DATA		0x12	/* byte */
77 #define ICE1712_REG_I2C_CTRL		0x13	/* byte */
78 #define   ICE1712_I2C_EEPROM		0x80	/* EEPROM exists */
79 #define   ICE1712_I2C_BUSY		0x01	/* busy bit */
80 #define ICE1712_REG_CONCAP_ADDR		0x14	/* dword - consumer capture */
81 #define ICE1712_REG_CONCAP_COUNT	0x18	/* word - current/base count */
82 #define ICE1712_REG_SERR_SHADOW		0x1b	/* byte */
83 #define ICE1712_REG_MPU2_CTRL		0x1c	/* byte */
84 #define ICE1712_REG_MPU2_DATA		0x1d	/* byte */
85 #define ICE1712_REG_TIMER		0x1e	/* word */
86 
87 /*
88  *  Indirect registers
89  */
90 
91 #define ICE1712_IREG_PBK_COUNT_LO	0x00
92 #define ICE1712_IREG_PBK_COUNT_HI	0x01
93 #define ICE1712_IREG_PBK_CTRL		0x02
94 #define ICE1712_IREG_PBK_LEFT		0x03	/* left volume */
95 #define ICE1712_IREG_PBK_RIGHT		0x04	/* right volume */
96 #define ICE1712_IREG_PBK_SOFT		0x05	/* soft volume */
97 #define ICE1712_IREG_PBK_RATE_LO	0x06
98 #define ICE1712_IREG_PBK_RATE_MID	0x07
99 #define ICE1712_IREG_PBK_RATE_HI	0x08
100 #define ICE1712_IREG_CAP_COUNT_LO	0x10
101 #define ICE1712_IREG_CAP_COUNT_HI	0x11
102 #define ICE1712_IREG_CAP_CTRL		0x12
103 #define ICE1712_IREG_GPIO_DATA		0x20
104 #define ICE1712_IREG_GPIO_WRITE_MASK	0x21
105 #define ICE1712_IREG_GPIO_DIRECTION	0x22
106 #define ICE1712_IREG_CONSUMER_POWERDOWN	0x30
107 #define ICE1712_IREG_PRO_POWERDOWN	0x31
108 
109 /*
110  *  Consumer section direct DMA registers
111  */
112 
113 #define ICEDS(ice, x) ((ice)->dmapath_port + ICE1712_DS_##x)
114 
115 #define ICE1712_DS_INTMASK		0x00	/* word - interrupt mask */
116 #define ICE1712_DS_INTSTAT		0x02	/* word - interrupt status */
117 #define ICE1712_DS_DATA			0x04	/* dword - channel data */
118 #define ICE1712_DS_INDEX		0x08	/* dword - channel index */
119 
120 /*
121  *  Consumer section channel registers
122  */
123 
124 #define ICE1712_DSC_ADDR0		0x00	/* dword - base address 0 */
125 #define ICE1712_DSC_COUNT0		0x01	/* word - count 0 */
126 #define ICE1712_DSC_ADDR1		0x02	/* dword - base address 1 */
127 #define ICE1712_DSC_COUNT1		0x03	/* word - count 1 */
128 #define ICE1712_DSC_CONTROL		0x04	/* byte - control & status */
129 #define   ICE1712_BUFFER1		0x80	/* buffer1 is active */
130 #define   ICE1712_BUFFER1_AUTO		0x40	/* buffer1 auto init */
131 #define   ICE1712_BUFFER0_AUTO		0x20	/* buffer0 auto init */
132 #define   ICE1712_FLUSH			0x10	/* flush FIFO */
133 #define   ICE1712_STEREO		0x08	/* stereo */
134 #define   ICE1712_16BIT			0x04	/* 16-bit data */
135 #define   ICE1712_PAUSE			0x02	/* pause */
136 #define   ICE1712_START			0x01	/* start */
137 #define ICE1712_DSC_RATE		0x05	/* dword - rate */
138 #define ICE1712_DSC_VOLUME		0x06	/* word - volume control */
139 
140 /*
141  *  Professional multi-track direct control registers
142  */
143 
144 #define ICEMT(ice, x) ((ice)->profi_port + ICE1712_MT_##x)
145 
146 #define ICE1712_MT_IRQ			0x00	/* byte - interrupt mask */
147 #define   ICE1712_MULTI_CAPTURE		0x80	/* capture IRQ */
148 #define   ICE1712_MULTI_PLAYBACK	0x40	/* playback IRQ */
149 #define   ICE1712_MULTI_CAPSTATUS	0x02	/* capture IRQ status */
150 #define   ICE1712_MULTI_PBKSTATUS	0x01	/* playback IRQ status */
151 #define ICE1712_MT_RATE			0x01	/* byte - sampling rate select */
152 #define   ICE1712_SPDIF_MASTER		0x10	/* S/PDIF input is master clock */
153 #define ICE1712_MT_I2S_FORMAT		0x02	/* byte - I2S data format */
154 #define ICE1712_MT_AC97_INDEX		0x04	/* byte - AC'97 index */
155 #define ICE1712_MT_AC97_CMD		0x05	/* byte - AC'97 command & status */
156 /* look to ICE1712_AC97_* */
157 #define ICE1712_MT_AC97_DATA		0x06	/* word - AC'97 data */
158 #define ICE1712_MT_PLAYBACK_ADDR	0x10	/* dword - playback address */
159 #define ICE1712_MT_PLAYBACK_SIZE	0x14	/* word - playback size */
160 #define ICE1712_MT_PLAYBACK_COUNT	0x16	/* word - playback count */
161 #define ICE1712_MT_PLAYBACK_CONTROL	0x18	/* byte - control */
162 #define   ICE1712_CAPTURE_START_SHADOW	0x04	/* capture start */
163 #define   ICE1712_PLAYBACK_PAUSE	0x02	/* playback pause */
164 #define   ICE1712_PLAYBACK_START	0x01	/* playback start */
165 #define ICE1712_MT_CAPTURE_ADDR		0x20	/* dword - capture address */
166 #define ICE1712_MT_CAPTURE_SIZE		0x24	/* word - capture size */
167 #define ICE1712_MT_CAPTURE_COUNT	0x26	/* word - capture count */
168 #define ICE1712_MT_CAPTURE_CONTROL	0x28	/* byte - control */
169 #define   ICE1712_CAPTURE_START		0x01	/* capture start */
170 #define ICE1712_MT_ROUTE_PSDOUT03	0x30	/* word */
171 #define ICE1712_MT_ROUTE_SPDOUT		0x32	/* word */
172 #define ICE1712_MT_ROUTE_CAPTURE	0x34	/* dword */
173 #define ICE1712_MT_MONITOR_VOLUME	0x38	/* word */
174 #define ICE1712_MT_MONITOR_INDEX	0x3a	/* byte */
175 #define ICE1712_MT_MONITOR_RATE		0x3b	/* byte */
176 #define ICE1712_MT_MONITOR_ROUTECTRL	0x3c	/* byte */
177 #define   ICE1712_ROUTE_AC97		0x01	/* route digital mixer output to AC'97 */
178 #define ICE1712_MT_MONITOR_PEAKINDEX	0x3e	/* byte */
179 #define ICE1712_MT_MONITOR_PEAKDATA	0x3f	/* byte */
180 
181 /*
182  *  Codec configuration bits
183  */
184 
185 /* PCI[60] System Configuration */
186 #define ICE1712_CFG_CLOCK	0xc0
187 #define   ICE1712_CFG_CLOCK512	0x00	/* 22.5692Mhz, 44.1kHz*512 */
188 #define   ICE1712_CFG_CLOCK384  0x40	/* 16.9344Mhz, 44.1kHz*384 */
189 #define   ICE1712_CFG_EXT	0x80	/* external clock */
190 #define ICE1712_CFG_2xMPU401	0x20	/* two MPU401 UARTs */
191 #define ICE1712_CFG_NO_CON_AC97 0x10	/* consumer AC'97 codec is not present */
192 #define ICE1712_CFG_ADC_MASK	0x0c	/* one, two, three, four stereo ADCs */
193 #define ICE1712_CFG_DAC_MASK	0x03	/* one, two, three, four stereo DACs */
194 /* PCI[61] AC-Link Configuration */
195 #define ICE1712_CFG_PRO_I2S	0x80	/* multitrack converter: I2S or AC'97 */
196 #define ICE1712_CFG_AC97_PACKED	0x01	/* split or packed mode - AC'97 */
197 /* PCI[62] I2S Features */
198 #define ICE1712_CFG_I2S_VOLUME	0x80	/* volume/mute capability */
199 #define ICE1712_CFG_I2S_96KHZ	0x40	/* supports 96kHz sampling */
200 #define ICE1712_CFG_I2S_RESMASK	0x30	/* resolution mask, 16,18,20,24-bit */
201 #define ICE1712_CFG_I2S_OTHER	0x0f	/* other I2S IDs */
202 /* PCI[63] S/PDIF Configuration */
203 #define ICE1712_CFG_I2S_CHIPID	0xfc	/* I2S chip ID */
204 #define ICE1712_CFG_SPDIF_IN	0x02	/* S/PDIF input is present */
205 #define ICE1712_CFG_SPDIF_OUT	0x01	/* S/PDIF output is present */
206 
207 /*
208  * DMA mode values
209  * identical with DMA_XXX on i386 architecture.
210  */
211 #define ICE1712_DMA_MODE_WRITE		0x48
212 #define ICE1712_DMA_AUTOINIT		0x10
213 
214 
215 /*
216  *
217  */
218 
219 struct snd_ice1712;
220 
221 struct snd_ice1712_eeprom {
222 	unsigned int subvendor;	/* PCI[2c-2f] */
223 	unsigned char size;	/* size of EEPROM image in bytes */
224 	unsigned char version;	/* must be 1 (or 2 for vt1724) */
225 	unsigned char data[32];
226 	unsigned int gpiomask;
227 	unsigned int gpiostate;
228 	unsigned int gpiodir;
229 };
230 
231 enum {
232 	ICE_EEP1_CODEC = 0,	/* 06 */
233 	ICE_EEP1_ACLINK,	/* 07 */
234 	ICE_EEP1_I2SID,		/* 08 */
235 	ICE_EEP1_SPDIF,		/* 09 */
236 	ICE_EEP1_GPIO_MASK,	/* 0a */
237 	ICE_EEP1_GPIO_STATE,	/* 0b */
238 	ICE_EEP1_GPIO_DIR,	/* 0c */
239 	ICE_EEP1_AC97_MAIN_LO,	/* 0d */
240 	ICE_EEP1_AC97_MAIN_HI,	/* 0e */
241 	ICE_EEP1_AC97_PCM_LO,	/* 0f */
242 	ICE_EEP1_AC97_PCM_HI,	/* 10 */
243 	ICE_EEP1_AC97_REC_LO,	/* 11 */
244 	ICE_EEP1_AC97_REC_HI,	/* 12 */
245 	ICE_EEP1_AC97_RECSRC,	/* 13 */
246 	ICE_EEP1_DAC_ID,	/* 14 */
247 	ICE_EEP1_DAC_ID1,
248 	ICE_EEP1_DAC_ID2,
249 	ICE_EEP1_DAC_ID3,
250 	ICE_EEP1_ADC_ID,	/* 18 */
251 	ICE_EEP1_ADC_ID1,
252 	ICE_EEP1_ADC_ID2,
253 	ICE_EEP1_ADC_ID3
254 };
255 
256 #define ice_has_con_ac97(ice)	(!((ice)->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97))
257 
258 
259 struct snd_ak4xxx_private {
260 	unsigned int cif: 1;		/* CIF mode */
261 	unsigned char caddr;		/* C0 and C1 bits */
262 	unsigned int data_mask;		/* DATA gpio bit */
263 	unsigned int clk_mask;		/* CLK gpio bit */
264 	unsigned int cs_mask;		/* bit mask for select/deselect address */
265 	unsigned int cs_addr;		/* bits to select address */
266 	unsigned int cs_none;		/* bits to deselect address */
267 	unsigned int add_flags;		/* additional bits at init */
268 	unsigned int mask_flags;	/* total mask bits */
269 	struct snd_akm4xxx_ops {
270 		void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
271 	} ops;
272 };
273 
274 struct snd_ice1712_spdif {
275 	unsigned char cs8403_bits;
276 	unsigned char cs8403_stream_bits;
277 	struct snd_kcontrol *stream_ctl;
278 
279 	struct snd_ice1712_spdif_ops {
280 		void (*open)(struct snd_ice1712 *, struct snd_pcm_substream *);
281 		void (*setup_rate)(struct snd_ice1712 *, int rate);
282 		void (*close)(struct snd_ice1712 *, struct snd_pcm_substream *);
283 		void (*default_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
284 		int (*default_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
285 		void (*stream_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
286 		int (*stream_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
287 	} ops;
288 };
289 
290 
291 struct snd_ice1712 {
292 	unsigned long conp_dma_size;
293 	unsigned long conc_dma_size;
294 	unsigned long prop_dma_size;
295 	unsigned long proc_dma_size;
296 	int irq;
297 
298 	unsigned long port;
299 	unsigned long ddma_port;
300 	unsigned long dmapath_port;
301 	unsigned long profi_port;
302 
303 	struct pci_dev *pci;
304 	struct snd_card *card;
305 	struct snd_pcm *pcm;
306 	struct snd_pcm *pcm_ds;
307 	struct snd_pcm *pcm_pro;
308         struct snd_pcm_substream *playback_con_substream;
309         struct snd_pcm_substream *playback_con_substream_ds[6];
310         struct snd_pcm_substream *capture_con_substream;
311         struct snd_pcm_substream *playback_pro_substream;
312         struct snd_pcm_substream *capture_pro_substream;
313 	unsigned int playback_pro_size;
314 	unsigned int capture_pro_size;
315 	unsigned int playback_con_virt_addr[6];
316 	unsigned int playback_con_active_buf[6];
317 	unsigned int capture_con_virt_addr;
318 	unsigned int ac97_ext_id;
319 	struct snd_ac97 *ac97;
320 	struct snd_rawmidi *rmidi[2];
321 
322 	spinlock_t reg_lock;
323 	struct snd_info_entry *proc_entry;
324 
325 	struct snd_ice1712_eeprom eeprom;
326 
327 	unsigned int pro_volumes[20];
328 	unsigned int omni: 1;		/* Delta Omni I/O */
329 	unsigned int dxr_enable: 1;	/* Terratec DXR enable for DMX6FIRE */
330 	unsigned int vt1724: 1;
331 	unsigned int vt1720: 1;
332 	unsigned int has_spdif: 1;	/* VT1720/4 - has SPDIF I/O */
333 	unsigned int force_pdma4: 1;	/* VT1720/4 - PDMA4 as non-spdif */
334 	unsigned int force_rdma1: 1;	/* VT1720/4 - RDMA1 as non-spdif */
335 	unsigned int num_total_dacs;	/* total DACs */
336 	unsigned int num_total_adcs;	/* total ADCs */
337 	unsigned int cur_rate;		/* current rate */
338 
339 	struct mutex open_mutex;
340 	struct snd_pcm_substream *pcm_reserved[4];
341 	struct snd_pcm_hw_constraint_list *hw_rates; /* card-specific rate constraints */
342 
343 	unsigned int akm_codecs;
344 	struct snd_akm4xxx *akm;
345 	struct snd_ice1712_spdif spdif;
346 
347 	struct mutex i2c_mutex;	/* I2C mutex for ICE1724 registers */
348 	struct snd_i2c_bus *i2c;		/* I2C bus */
349 	struct snd_i2c_device *cs8427;	/* CS8427 I2C device */
350 	unsigned int cs8427_timeout;	/* CS8427 reset timeout in HZ/100 */
351 
352 	struct ice1712_gpio {
353 		unsigned int direction;		/* current direction bits */
354 		unsigned int write_mask;	/* current mask bits */
355 		unsigned int saved[2];		/* for ewx_i2c */
356 		/* operators */
357 		void (*set_mask)(struct snd_ice1712 *ice, unsigned int data);
358 		void (*set_dir)(struct snd_ice1712 *ice, unsigned int data);
359 		void (*set_data)(struct snd_ice1712 *ice, unsigned int data);
360 		unsigned int (*get_data)(struct snd_ice1712 *ice);
361 		/* misc operators - move to another place? */
362 		void (*set_pro_rate)(struct snd_ice1712 *ice, unsigned int rate);
363 		void (*i2s_mclk_changed)(struct snd_ice1712 *ice);
364 	} gpio;
365 	struct mutex gpio_mutex;
366 
367 	/* other board-specific data */
368 	union {
369 		/* additional i2c devices for EWS boards */
370 		struct snd_i2c_device *i2cdevs[3];
371 		/* AC97 register cache for Aureon */
372 		struct aureon_spec {
373 			unsigned short stac9744[64];
374 			unsigned int cs8415_mux;
375 			unsigned short master[2];
376 			unsigned short vol[8];
377 			unsigned char pca9554_out;
378 		} aureon;
379 		/* AC97 register cache for Phase28 */
380 		struct phase28_spec {
381 			unsigned short master[2];
382 			unsigned short vol[8];
383 		} phase28;
384 		/* Hoontech-specific setting */
385 		struct hoontech_spec {
386 			unsigned char boxbits[4];
387 			unsigned int config;
388 			unsigned short boxconfig[4];
389 		} hoontech;
390 		struct {
391 			struct ak4114 *ak4114;
392 			unsigned int analog: 1;
393 		} juli;
394 	} spec;
395 
396 };
397 
398 
399 /*
400  * gpio access functions
401  */
402 static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned int bits)
403 {
404 	ice->gpio.set_dir(ice, bits);
405 }
406 
407 static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
408 {
409 	ice->gpio.set_mask(ice, bits);
410 }
411 
412 static inline void snd_ice1712_gpio_write(struct snd_ice1712 *ice, unsigned int val)
413 {
414 	ice->gpio.set_data(ice, val);
415 }
416 
417 static inline unsigned int snd_ice1712_gpio_read(struct snd_ice1712 *ice)
418 {
419 	return ice->gpio.get_data(ice);
420 }
421 
422 /*
423  * save and restore gpio status
424  * The access to gpio will be protected by mutex, so don't forget to
425  * restore!
426  */
427 static inline void snd_ice1712_save_gpio_status(struct snd_ice1712 *ice)
428 {
429 	mutex_lock(&ice->gpio_mutex);
430 	ice->gpio.saved[0] = ice->gpio.direction;
431 	ice->gpio.saved[1] = ice->gpio.write_mask;
432 }
433 
434 static inline void snd_ice1712_restore_gpio_status(struct snd_ice1712 *ice)
435 {
436 	ice->gpio.set_dir(ice, ice->gpio.saved[0]);
437 	ice->gpio.set_mask(ice, ice->gpio.saved[1]);
438 	ice->gpio.direction = ice->gpio.saved[0];
439 	ice->gpio.write_mask = ice->gpio.saved[1];
440 	mutex_unlock(&ice->gpio_mutex);
441 }
442 
443 /* for bit controls */
444 #define ICE1712_GPIO(xiface, xname, xindex, mask, invert, xaccess) \
445 { .iface = xiface, .name = xname, .access = xaccess, .info = snd_ice1712_gpio_info, \
446   .get = snd_ice1712_gpio_get, .put = snd_ice1712_gpio_put, \
447   .private_value = mask | (invert << 24) }
448 
449 int snd_ice1712_gpio_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
450 int snd_ice1712_gpio_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
451 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
452 
453 /*
454  * set gpio direction, write mask and data
455  */
456 static inline void snd_ice1712_gpio_write_bits(struct snd_ice1712 *ice,
457 					       unsigned int mask, unsigned int bits)
458 {
459 	ice->gpio.direction |= mask;
460 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
461 	snd_ice1712_gpio_set_mask(ice, ~mask);
462 	snd_ice1712_gpio_write(ice, mask & bits);
463 }
464 
465 int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
466 
467 int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak, const struct snd_akm4xxx *template,
468 			     const struct snd_ak4xxx_private *priv, struct snd_ice1712 *ice);
469 void snd_ice1712_akm4xxx_free(struct snd_ice1712 *ice);
470 int snd_ice1712_akm4xxx_build_controls(struct snd_ice1712 *ice);
471 
472 int snd_ice1712_init_cs8427(struct snd_ice1712 *ice, int addr);
473 
474 static inline void snd_ice1712_write(struct snd_ice1712 * ice, u8 addr, u8 data)
475 {
476 	outb(addr, ICEREG(ice, INDEX));
477 	outb(data, ICEREG(ice, DATA));
478 }
479 
480 static inline u8 snd_ice1712_read(struct snd_ice1712 * ice, u8 addr)
481 {
482 	outb(addr, ICEREG(ice, INDEX));
483 	return inb(ICEREG(ice, DATA));
484 }
485 
486 
487 /*
488  * entry pointer
489  */
490 
491 struct snd_ice1712_card_info {
492 	unsigned int subvendor;
493 	char *name;
494 	char *model;
495 	char *driver;
496 	int (*chip_init)(struct snd_ice1712 *);
497 	int (*build_controls)(struct snd_ice1712 *);
498 	unsigned int no_mpu401: 1;
499 	unsigned int mpu401_1_info_flags;
500 	unsigned int mpu401_2_info_flags;
501 	const char *mpu401_1_name;
502 	const char *mpu401_2_name;
503 	unsigned int eeprom_size;
504 	unsigned char *eeprom_data;
505 };
506 
507 
508 #endif /* __SOUND_ICE1712_H */
509