xref: /openbmc/linux/sound/pci/ice1712/ice1712.h (revision b627b4ed)
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@perex.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/pt2258.h>
32 #include <sound/pcm.h>
33 #include <sound/mpu401.h>
34 
35 
36 /*
37  *  Direct registers
38  */
39 
40 #define ICEREG(ice, x) ((ice)->port + ICE1712_REG_##x)
41 
42 #define ICE1712_REG_CONTROL		0x00	/* byte */
43 #define   ICE1712_RESET			0x80	/* reset whole chip */
44 #define   ICE1712_SERR_LEVEL		0x04	/* SERR# level otherwise edge */
45 #define   ICE1712_NATIVE		0x01	/* native mode otherwise SB */
46 #define ICE1712_REG_IRQMASK		0x01	/* byte */
47 #define   ICE1712_IRQ_MPU1		0x80
48 #define   ICE1712_IRQ_TIMER		0x40
49 #define   ICE1712_IRQ_MPU2		0x20
50 #define   ICE1712_IRQ_PROPCM		0x10
51 #define   ICE1712_IRQ_FM		0x08	/* FM/MIDI - legacy */
52 #define   ICE1712_IRQ_PBKDS		0x04	/* playback DS channels */
53 #define   ICE1712_IRQ_CONCAP		0x02	/* consumer capture */
54 #define   ICE1712_IRQ_CONPBK		0x01	/* consumer playback */
55 #define ICE1712_REG_IRQSTAT		0x02	/* byte */
56 /* look to ICE1712_IRQ_* */
57 #define ICE1712_REG_INDEX		0x03	/* byte - indirect CCIxx regs */
58 #define ICE1712_REG_DATA		0x04	/* byte - indirect CCIxx regs */
59 #define ICE1712_REG_NMI_STAT1		0x05	/* byte */
60 #define ICE1712_REG_NMI_DATA		0x06	/* byte */
61 #define ICE1712_REG_NMI_INDEX		0x07	/* byte */
62 #define ICE1712_REG_AC97_INDEX		0x08	/* byte */
63 #define ICE1712_REG_AC97_CMD		0x09	/* byte */
64 #define   ICE1712_AC97_COLD		0x80	/* cold reset */
65 #define   ICE1712_AC97_WARM		0x40	/* warm reset */
66 #define   ICE1712_AC97_WRITE		0x20	/* W: write, R: write in progress */
67 #define   ICE1712_AC97_READ		0x10	/* W: read, R: read in progress */
68 #define   ICE1712_AC97_READY		0x08	/* codec ready status bit */
69 #define   ICE1712_AC97_PBK_VSR		0x02	/* playback VSR */
70 #define   ICE1712_AC97_CAP_VSR		0x01	/* capture VSR */
71 #define ICE1712_REG_AC97_DATA		0x0a	/* word (little endian) */
72 #define ICE1712_REG_MPU1_CTRL		0x0c	/* byte */
73 #define ICE1712_REG_MPU1_DATA		0x0d	/* byte */
74 #define ICE1712_REG_I2C_DEV_ADDR	0x10	/* byte */
75 #define   ICE1712_I2C_WRITE		0x01	/* write direction */
76 #define ICE1712_REG_I2C_BYTE_ADDR	0x11	/* byte */
77 #define ICE1712_REG_I2C_DATA		0x12	/* byte */
78 #define ICE1712_REG_I2C_CTRL		0x13	/* byte */
79 #define   ICE1712_I2C_EEPROM		0x80	/* EEPROM exists */
80 #define   ICE1712_I2C_BUSY		0x01	/* busy bit */
81 #define ICE1712_REG_CONCAP_ADDR		0x14	/* dword - consumer capture */
82 #define ICE1712_REG_CONCAP_COUNT	0x18	/* word - current/base count */
83 #define ICE1712_REG_SERR_SHADOW		0x1b	/* byte */
84 #define ICE1712_REG_MPU2_CTRL		0x1c	/* byte */
85 #define ICE1712_REG_MPU2_DATA		0x1d	/* byte */
86 #define ICE1712_REG_TIMER		0x1e	/* word */
87 
88 /*
89  *  Indirect registers
90  */
91 
92 #define ICE1712_IREG_PBK_COUNT_LO	0x00
93 #define ICE1712_IREG_PBK_COUNT_HI	0x01
94 #define ICE1712_IREG_PBK_CTRL		0x02
95 #define ICE1712_IREG_PBK_LEFT		0x03	/* left volume */
96 #define ICE1712_IREG_PBK_RIGHT		0x04	/* right volume */
97 #define ICE1712_IREG_PBK_SOFT		0x05	/* soft volume */
98 #define ICE1712_IREG_PBK_RATE_LO	0x06
99 #define ICE1712_IREG_PBK_RATE_MID	0x07
100 #define ICE1712_IREG_PBK_RATE_HI	0x08
101 #define ICE1712_IREG_CAP_COUNT_LO	0x10
102 #define ICE1712_IREG_CAP_COUNT_HI	0x11
103 #define ICE1712_IREG_CAP_CTRL		0x12
104 #define ICE1712_IREG_GPIO_DATA		0x20
105 #define ICE1712_IREG_GPIO_WRITE_MASK	0x21
106 #define ICE1712_IREG_GPIO_DIRECTION	0x22
107 #define ICE1712_IREG_CONSUMER_POWERDOWN	0x30
108 #define ICE1712_IREG_PRO_POWERDOWN	0x31
109 
110 /*
111  *  Consumer section direct DMA registers
112  */
113 
114 #define ICEDS(ice, x) ((ice)->dmapath_port + ICE1712_DS_##x)
115 
116 #define ICE1712_DS_INTMASK		0x00	/* word - interrupt mask */
117 #define ICE1712_DS_INTSTAT		0x02	/* word - interrupt status */
118 #define ICE1712_DS_DATA			0x04	/* dword - channel data */
119 #define ICE1712_DS_INDEX		0x08	/* dword - channel index */
120 
121 /*
122  *  Consumer section channel registers
123  */
124 
125 #define ICE1712_DSC_ADDR0		0x00	/* dword - base address 0 */
126 #define ICE1712_DSC_COUNT0		0x01	/* word - count 0 */
127 #define ICE1712_DSC_ADDR1		0x02	/* dword - base address 1 */
128 #define ICE1712_DSC_COUNT1		0x03	/* word - count 1 */
129 #define ICE1712_DSC_CONTROL		0x04	/* byte - control & status */
130 #define   ICE1712_BUFFER1		0x80	/* buffer1 is active */
131 #define   ICE1712_BUFFER1_AUTO		0x40	/* buffer1 auto init */
132 #define   ICE1712_BUFFER0_AUTO		0x20	/* buffer0 auto init */
133 #define   ICE1712_FLUSH			0x10	/* flush FIFO */
134 #define   ICE1712_STEREO		0x08	/* stereo */
135 #define   ICE1712_16BIT			0x04	/* 16-bit data */
136 #define   ICE1712_PAUSE			0x02	/* pause */
137 #define   ICE1712_START			0x01	/* start */
138 #define ICE1712_DSC_RATE		0x05	/* dword - rate */
139 #define ICE1712_DSC_VOLUME		0x06	/* word - volume control */
140 
141 /*
142  *  Professional multi-track direct control registers
143  */
144 
145 #define ICEMT(ice, x) ((ice)->profi_port + ICE1712_MT_##x)
146 
147 #define ICE1712_MT_IRQ			0x00	/* byte - interrupt mask */
148 #define   ICE1712_MULTI_CAPTURE		0x80	/* capture IRQ */
149 #define   ICE1712_MULTI_PLAYBACK	0x40	/* playback IRQ */
150 #define   ICE1712_MULTI_CAPSTATUS	0x02	/* capture IRQ status */
151 #define   ICE1712_MULTI_PBKSTATUS	0x01	/* playback IRQ status */
152 #define ICE1712_MT_RATE			0x01	/* byte - sampling rate select */
153 #define   ICE1712_SPDIF_MASTER		0x10	/* S/PDIF input is master clock */
154 #define ICE1712_MT_I2S_FORMAT		0x02	/* byte - I2S data format */
155 #define ICE1712_MT_AC97_INDEX		0x04	/* byte - AC'97 index */
156 #define ICE1712_MT_AC97_CMD		0x05	/* byte - AC'97 command & status */
157 /* look to ICE1712_AC97_* */
158 #define ICE1712_MT_AC97_DATA		0x06	/* word - AC'97 data */
159 #define ICE1712_MT_PLAYBACK_ADDR	0x10	/* dword - playback address */
160 #define ICE1712_MT_PLAYBACK_SIZE	0x14	/* word - playback size */
161 #define ICE1712_MT_PLAYBACK_COUNT	0x16	/* word - playback count */
162 #define ICE1712_MT_PLAYBACK_CONTROL	0x18	/* byte - control */
163 #define   ICE1712_CAPTURE_START_SHADOW	0x04	/* capture start */
164 #define   ICE1712_PLAYBACK_PAUSE	0x02	/* playback pause */
165 #define   ICE1712_PLAYBACK_START	0x01	/* playback start */
166 #define ICE1712_MT_CAPTURE_ADDR		0x20	/* dword - capture address */
167 #define ICE1712_MT_CAPTURE_SIZE		0x24	/* word - capture size */
168 #define ICE1712_MT_CAPTURE_COUNT	0x26	/* word - capture count */
169 #define ICE1712_MT_CAPTURE_CONTROL	0x28	/* byte - control */
170 #define   ICE1712_CAPTURE_START		0x01	/* capture start */
171 #define ICE1712_MT_ROUTE_PSDOUT03	0x30	/* word */
172 #define ICE1712_MT_ROUTE_SPDOUT		0x32	/* word */
173 #define ICE1712_MT_ROUTE_CAPTURE	0x34	/* dword */
174 #define ICE1712_MT_MONITOR_VOLUME	0x38	/* word */
175 #define ICE1712_MT_MONITOR_INDEX	0x3a	/* byte */
176 #define ICE1712_MT_MONITOR_RATE		0x3b	/* byte */
177 #define ICE1712_MT_MONITOR_ROUTECTRL	0x3c	/* byte */
178 #define   ICE1712_ROUTE_AC97		0x01	/* route digital mixer output to AC'97 */
179 #define ICE1712_MT_MONITOR_PEAKINDEX	0x3e	/* byte */
180 #define ICE1712_MT_MONITOR_PEAKDATA	0x3f	/* byte */
181 
182 /*
183  *  Codec configuration bits
184  */
185 
186 /* PCI[60] System Configuration */
187 #define ICE1712_CFG_CLOCK	0xc0
188 #define   ICE1712_CFG_CLOCK512	0x00	/* 22.5692Mhz, 44.1kHz*512 */
189 #define   ICE1712_CFG_CLOCK384  0x40	/* 16.9344Mhz, 44.1kHz*384 */
190 #define   ICE1712_CFG_EXT	0x80	/* external clock */
191 #define ICE1712_CFG_2xMPU401	0x20	/* two MPU401 UARTs */
192 #define ICE1712_CFG_NO_CON_AC97 0x10	/* consumer AC'97 codec is not present */
193 #define ICE1712_CFG_ADC_MASK	0x0c	/* one, two, three, four stereo ADCs */
194 #define ICE1712_CFG_DAC_MASK	0x03	/* one, two, three, four stereo DACs */
195 /* PCI[61] AC-Link Configuration */
196 #define ICE1712_CFG_PRO_I2S	0x80	/* multitrack converter: I2S or AC'97 */
197 #define ICE1712_CFG_AC97_PACKED	0x01	/* split or packed mode - AC'97 */
198 /* PCI[62] I2S Features */
199 #define ICE1712_CFG_I2S_VOLUME	0x80	/* volume/mute capability */
200 #define ICE1712_CFG_I2S_96KHZ	0x40	/* supports 96kHz sampling */
201 #define ICE1712_CFG_I2S_RESMASK	0x30	/* resolution mask, 16,18,20,24-bit */
202 #define ICE1712_CFG_I2S_OTHER	0x0f	/* other I2S IDs */
203 /* PCI[63] S/PDIF Configuration */
204 #define ICE1712_CFG_I2S_CHIPID	0xfc	/* I2S chip ID */
205 #define ICE1712_CFG_SPDIF_IN	0x02	/* S/PDIF input is present */
206 #define ICE1712_CFG_SPDIF_OUT	0x01	/* S/PDIF output is present */
207 
208 /*
209  * DMA mode values
210  * identical with DMA_XXX on i386 architecture.
211  */
212 #define ICE1712_DMA_MODE_WRITE		0x48
213 #define ICE1712_DMA_AUTOINIT		0x10
214 
215 
216 /*
217  *
218  */
219 
220 struct snd_ice1712;
221 
222 struct snd_ice1712_eeprom {
223 	unsigned int subvendor;	/* PCI[2c-2f] */
224 	unsigned char size;	/* size of EEPROM image in bytes */
225 	unsigned char version;	/* must be 1 (or 2 for vt1724) */
226 	unsigned char data[32];
227 	unsigned int gpiomask;
228 	unsigned int gpiostate;
229 	unsigned int gpiodir;
230 };
231 
232 enum {
233 	ICE_EEP1_CODEC = 0,	/* 06 */
234 	ICE_EEP1_ACLINK,	/* 07 */
235 	ICE_EEP1_I2SID,		/* 08 */
236 	ICE_EEP1_SPDIF,		/* 09 */
237 	ICE_EEP1_GPIO_MASK,	/* 0a */
238 	ICE_EEP1_GPIO_STATE,	/* 0b */
239 	ICE_EEP1_GPIO_DIR,	/* 0c */
240 	ICE_EEP1_AC97_MAIN_LO,	/* 0d */
241 	ICE_EEP1_AC97_MAIN_HI,	/* 0e */
242 	ICE_EEP1_AC97_PCM_LO,	/* 0f */
243 	ICE_EEP1_AC97_PCM_HI,	/* 10 */
244 	ICE_EEP1_AC97_REC_LO,	/* 11 */
245 	ICE_EEP1_AC97_REC_HI,	/* 12 */
246 	ICE_EEP1_AC97_RECSRC,	/* 13 */
247 	ICE_EEP1_DAC_ID,	/* 14 */
248 	ICE_EEP1_DAC_ID1,
249 	ICE_EEP1_DAC_ID2,
250 	ICE_EEP1_DAC_ID3,
251 	ICE_EEP1_ADC_ID,	/* 18 */
252 	ICE_EEP1_ADC_ID1,
253 	ICE_EEP1_ADC_ID2,
254 	ICE_EEP1_ADC_ID3
255 };
256 
257 #define ice_has_con_ac97(ice)	(!((ice)->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97))
258 
259 
260 struct snd_ak4xxx_private {
261 	unsigned int cif:1;		/* CIF mode */
262 	unsigned char caddr;		/* C0 and C1 bits */
263 	unsigned int data_mask;		/* DATA gpio bit */
264 	unsigned int clk_mask;		/* CLK gpio bit */
265 	unsigned int cs_mask;		/* bit mask for select/deselect address */
266 	unsigned int cs_addr;		/* bits to select address */
267 	unsigned int cs_none;		/* bits to deselect address */
268 	unsigned int add_flags;		/* additional bits at init */
269 	unsigned int mask_flags;	/* total mask bits */
270 	struct snd_akm4xxx_ops {
271 		void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
272 	} ops;
273 };
274 
275 struct snd_ice1712_spdif {
276 	unsigned char cs8403_bits;
277 	unsigned char cs8403_stream_bits;
278 	struct snd_kcontrol *stream_ctl;
279 
280 	struct snd_ice1712_spdif_ops {
281 		void (*open)(struct snd_ice1712 *, struct snd_pcm_substream *);
282 		void (*setup_rate)(struct snd_ice1712 *, int rate);
283 		void (*close)(struct snd_ice1712 *, struct snd_pcm_substream *);
284 		void (*default_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
285 		int (*default_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
286 		void (*stream_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
287 		int (*stream_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
288 	} ops;
289 };
290 
291 
292 struct snd_ice1712 {
293 	unsigned long conp_dma_size;
294 	unsigned long conc_dma_size;
295 	unsigned long prop_dma_size;
296 	unsigned long proc_dma_size;
297 	int irq;
298 
299 	unsigned long port;
300 	unsigned long ddma_port;
301 	unsigned long dmapath_port;
302 	unsigned long profi_port;
303 
304 	struct pci_dev *pci;
305 	struct snd_card *card;
306 	struct snd_pcm *pcm;
307 	struct snd_pcm *pcm_ds;
308 	struct snd_pcm *pcm_pro;
309 	struct snd_pcm_substream *playback_con_substream;
310 	struct snd_pcm_substream *playback_con_substream_ds[6];
311 	struct snd_pcm_substream *capture_con_substream;
312 	struct snd_pcm_substream *playback_pro_substream;
313 	struct snd_pcm_substream *capture_pro_substream;
314 	unsigned int playback_pro_size;
315 	unsigned int capture_pro_size;
316 	unsigned int playback_con_virt_addr[6];
317 	unsigned int playback_con_active_buf[6];
318 	unsigned int capture_con_virt_addr;
319 	unsigned int ac97_ext_id;
320 	struct snd_ac97 *ac97;
321 	struct snd_rawmidi *rmidi[2];
322 
323 	spinlock_t reg_lock;
324 	struct snd_info_entry *proc_entry;
325 
326 	struct snd_ice1712_eeprom eeprom;
327 
328 	unsigned int pro_volumes[20];
329 	unsigned int omni:1;		/* Delta Omni I/O */
330 	unsigned int dxr_enable:1;	/* Terratec DXR enable for DMX6FIRE */
331 	unsigned int vt1724:1;
332 	unsigned int vt1720:1;
333 	unsigned int has_spdif:1;	/* VT1720/4 - has SPDIF I/O */
334 	unsigned int force_pdma4:1;	/* VT1720/4 - PDMA4 as non-spdif */
335 	unsigned int force_rdma1:1;	/* VT1720/4 - RDMA1 as non-spdif */
336 	unsigned int midi_output:1;	/* VT1720/4: MIDI output triggered */
337 	unsigned int midi_input:1;	/* VT1720/4: MIDI input triggered */
338 	unsigned int num_total_dacs;	/* total DACs */
339 	unsigned int num_total_adcs;	/* total ADCs */
340 	unsigned int cur_rate;		/* current rate */
341 
342 	struct mutex open_mutex;
343 	struct snd_pcm_substream *pcm_reserved[4];
344 	struct snd_pcm_hw_constraint_list *hw_rates; /* card-specific rate constraints */
345 
346 	unsigned int akm_codecs;
347 	struct snd_akm4xxx *akm;
348 	struct snd_ice1712_spdif spdif;
349 
350 	struct mutex i2c_mutex;	/* I2C mutex for ICE1724 registers */
351 	struct snd_i2c_bus *i2c;		/* I2C bus */
352 	struct snd_i2c_device *cs8427;	/* CS8427 I2C device */
353 	unsigned int cs8427_timeout;	/* CS8427 reset timeout in HZ/100 */
354 
355 	struct ice1712_gpio {
356 		unsigned int direction;		/* current direction bits */
357 		unsigned int write_mask;	/* current mask bits */
358 		unsigned int saved[2];		/* for ewx_i2c */
359 		/* operators */
360 		void (*set_mask)(struct snd_ice1712 *ice, unsigned int data);
361 		void (*set_dir)(struct snd_ice1712 *ice, unsigned int data);
362 		void (*set_data)(struct snd_ice1712 *ice, unsigned int data);
363 		unsigned int (*get_data)(struct snd_ice1712 *ice);
364 		/* misc operators - move to another place? */
365 		void (*set_pro_rate)(struct snd_ice1712 *ice, unsigned int rate);
366 		void (*i2s_mclk_changed)(struct snd_ice1712 *ice);
367 	} gpio;
368 	struct mutex gpio_mutex;
369 
370 	/* other board-specific data */
371 	void *spec;
372 
373 	/* VT172x specific */
374 	int pro_rate_default;
375 	int (*is_spdif_master)(struct snd_ice1712 *ice);
376 	unsigned int (*get_rate)(struct snd_ice1712 *ice);
377 	void (*set_rate)(struct snd_ice1712 *ice, unsigned int rate);
378 	unsigned char (*set_mclk)(struct snd_ice1712 *ice, unsigned int rate);
379 	void (*set_spdif_clock)(struct snd_ice1712 *ice);
380 
381 };
382 
383 
384 /*
385  * gpio access functions
386  */
387 static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned int bits)
388 {
389 	ice->gpio.set_dir(ice, bits);
390 }
391 
392 static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
393 {
394 	ice->gpio.set_mask(ice, bits);
395 }
396 
397 static inline void snd_ice1712_gpio_write(struct snd_ice1712 *ice, unsigned int val)
398 {
399 	ice->gpio.set_data(ice, val);
400 }
401 
402 static inline unsigned int snd_ice1712_gpio_read(struct snd_ice1712 *ice)
403 {
404 	return ice->gpio.get_data(ice);
405 }
406 
407 /*
408  * save and restore gpio status
409  * The access to gpio will be protected by mutex, so don't forget to
410  * restore!
411  */
412 static inline void snd_ice1712_save_gpio_status(struct snd_ice1712 *ice)
413 {
414 	mutex_lock(&ice->gpio_mutex);
415 	ice->gpio.saved[0] = ice->gpio.direction;
416 	ice->gpio.saved[1] = ice->gpio.write_mask;
417 }
418 
419 static inline void snd_ice1712_restore_gpio_status(struct snd_ice1712 *ice)
420 {
421 	ice->gpio.set_dir(ice, ice->gpio.saved[0]);
422 	ice->gpio.set_mask(ice, ice->gpio.saved[1]);
423 	ice->gpio.direction = ice->gpio.saved[0];
424 	ice->gpio.write_mask = ice->gpio.saved[1];
425 	mutex_unlock(&ice->gpio_mutex);
426 }
427 
428 /* for bit controls */
429 #define ICE1712_GPIO(xiface, xname, xindex, mask, invert, xaccess) \
430 { .iface = xiface, .name = xname, .access = xaccess, .info = snd_ctl_boolean_mono_info, \
431   .get = snd_ice1712_gpio_get, .put = snd_ice1712_gpio_put, \
432   .private_value = mask | (invert << 24) }
433 
434 int snd_ice1712_gpio_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
435 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
436 
437 /*
438  * set gpio direction, write mask and data
439  */
440 static inline void snd_ice1712_gpio_write_bits(struct snd_ice1712 *ice,
441 					       unsigned int mask, unsigned int bits)
442 {
443 	unsigned val;
444 
445 	ice->gpio.direction |= mask;
446 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
447 	val = snd_ice1712_gpio_read(ice);
448 	val &= ~mask;
449 	val |= mask & bits;
450 	snd_ice1712_gpio_write(ice, val);
451 }
452 
453 static inline int snd_ice1712_gpio_read_bits(struct snd_ice1712 *ice,
454 					      unsigned int mask)
455 {
456 	ice->gpio.direction &= ~mask;
457 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
458 	return  snd_ice1712_gpio_read(ice) & mask;
459 }
460 
461 int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
462 
463 int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak, const struct snd_akm4xxx *template,
464 			     const struct snd_ak4xxx_private *priv, struct snd_ice1712 *ice);
465 void snd_ice1712_akm4xxx_free(struct snd_ice1712 *ice);
466 int snd_ice1712_akm4xxx_build_controls(struct snd_ice1712 *ice);
467 
468 int snd_ice1712_init_cs8427(struct snd_ice1712 *ice, int addr);
469 
470 static inline void snd_ice1712_write(struct snd_ice1712 *ice, u8 addr, u8 data)
471 {
472 	outb(addr, ICEREG(ice, INDEX));
473 	outb(data, ICEREG(ice, DATA));
474 }
475 
476 static inline u8 snd_ice1712_read(struct snd_ice1712 *ice, u8 addr)
477 {
478 	outb(addr, ICEREG(ice, INDEX));
479 	return inb(ICEREG(ice, DATA));
480 }
481 
482 
483 /*
484  * entry pointer
485  */
486 
487 struct snd_ice1712_card_info {
488 	unsigned int subvendor;
489 	char *name;
490 	char *model;
491 	char *driver;
492 	int (*chip_init)(struct snd_ice1712 *);
493 	int (*build_controls)(struct snd_ice1712 *);
494 	unsigned int no_mpu401:1;
495 	unsigned int mpu401_1_info_flags;
496 	unsigned int mpu401_2_info_flags;
497 	const char *mpu401_1_name;
498 	const char *mpu401_2_name;
499 	const unsigned int eeprom_size;
500 	const unsigned char *eeprom_data;
501 };
502 
503 
504 #endif /* __SOUND_ICE1712_H */
505