xref: /openbmc/linux/sound/pci/ice1712/ice1712.h (revision fb574682)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef __SOUND_ICE1712_H
3 #define __SOUND_ICE1712_H
4 
5 /*
6  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
7  *
8  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
9  */
10 
11 #include <linux/io.h>
12 #include <sound/control.h>
13 #include <sound/ac97_codec.h>
14 #include <sound/rawmidi.h>
15 #include <sound/i2c.h>
16 #include <sound/ak4xxx-adda.h>
17 #include <sound/ak4114.h>
18 #include <sound/pt2258.h>
19 #include <sound/pcm.h>
20 #include <sound/mpu401.h>
21 
22 
23 /*
24  *  Direct registers
25  */
26 
27 #define ICEREG(ice, x) ((ice)->port + ICE1712_REG_##x)
28 
29 #define ICE1712_REG_CONTROL		0x00	/* byte */
30 #define   ICE1712_RESET			0x80	/* soft reset whole chip */
31 #define   ICE1712_SERR_ASSERT_DS_DMA	0x40    /* disabled SERR# assertion for the DS DMA Ch-C irq otherwise enabled */
32 #define   ICE1712_DOS_VOL		0x10    /* DOS WT/FM volume control */
33 #define   ICE1712_SERR_LEVEL		0x08	/* SERR# level otherwise edge */
34 #define   ICE1712_SERR_ASSERT_SB	0x02	/* disabled SERR# assertion for SB irq otherwise enabled */
35 #define   ICE1712_NATIVE		0x01	/* native mode otherwise SB */
36 #define ICE1712_REG_IRQMASK		0x01	/* byte */
37 #define   ICE1712_IRQ_MPU1		0x80	/* MIDI irq mask */
38 #define   ICE1712_IRQ_TIMER		0x40	/* Timer mask */
39 #define   ICE1712_IRQ_MPU2		0x20	/* Secondary MIDI irq mask */
40 #define   ICE1712_IRQ_PROPCM		0x10	/* professional multi-track */
41 #define   ICE1712_IRQ_FM		0x08	/* FM/MIDI - legacy */
42 #define   ICE1712_IRQ_PBKDS		0x04	/* playback DS channels */
43 #define   ICE1712_IRQ_CONCAP		0x02	/* consumer capture */
44 #define   ICE1712_IRQ_CONPBK		0x01	/* consumer playback */
45 #define ICE1712_REG_IRQSTAT		0x02	/* byte */
46 /* look to ICE1712_IRQ_* */
47 #define ICE1712_REG_INDEX		0x03	/* byte - indirect CCIxx regs */
48 #define ICE1712_REG_DATA		0x04	/* byte - indirect CCIxx regs */
49 #define ICE1712_REG_NMI_STAT1		0x05	/* byte */
50 #define ICE1712_REG_NMI_DATA		0x06	/* byte */
51 #define ICE1712_REG_NMI_INDEX		0x07	/* byte */
52 #define ICE1712_REG_AC97_INDEX		0x08	/* byte */
53 #define ICE1712_REG_AC97_CMD		0x09	/* byte */
54 #define   ICE1712_AC97_COLD		0x80	/* cold reset */
55 #define   ICE1712_AC97_WARM		0x40	/* warm reset */
56 #define   ICE1712_AC97_WRITE		0x20	/* W: write, R: write in progress */
57 #define   ICE1712_AC97_READ		0x10	/* W: read, R: read in progress */
58 #define   ICE1712_AC97_READY		0x08	/* codec ready status bit */
59 #define   ICE1712_AC97_PBK_VSR		0x02	/* playback VSR */
60 #define   ICE1712_AC97_CAP_VSR		0x01	/* capture VSR */
61 #define ICE1712_REG_AC97_DATA		0x0a	/* word (little endian) */
62 #define ICE1712_REG_MPU1_CTRL		0x0c	/* byte */
63 #define ICE1712_REG_MPU1_DATA		0x0d	/* byte */
64 #define ICE1712_REG_I2C_DEV_ADDR	0x10	/* byte */
65 #define   ICE1712_I2C_WRITE		0x01	/* write direction */
66 #define ICE1712_REG_I2C_BYTE_ADDR	0x11	/* byte */
67 #define ICE1712_REG_I2C_DATA		0x12	/* byte */
68 #define ICE1712_REG_I2C_CTRL		0x13	/* byte */
69 #define   ICE1712_I2C_EEPROM		0x80	/* EEPROM exists */
70 #define   ICE1712_I2C_BUSY		0x01	/* busy bit */
71 #define ICE1712_REG_CONCAP_ADDR		0x14	/* dword - consumer capture */
72 #define ICE1712_REG_CONCAP_COUNT	0x18	/* word - current/base count */
73 #define ICE1712_REG_SERR_SHADOW		0x1b	/* byte */
74 #define ICE1712_REG_MPU2_CTRL		0x1c	/* byte */
75 #define ICE1712_REG_MPU2_DATA		0x1d	/* byte */
76 #define ICE1712_REG_TIMER		0x1e	/* word */
77 
78 /*
79  *  Indirect registers
80  */
81 
82 #define ICE1712_IREG_PBK_COUNT_LO	0x00
83 #define ICE1712_IREG_PBK_COUNT_HI	0x01
84 #define ICE1712_IREG_PBK_CTRL		0x02
85 #define ICE1712_IREG_PBK_LEFT		0x03	/* left volume */
86 #define ICE1712_IREG_PBK_RIGHT		0x04	/* right volume */
87 #define ICE1712_IREG_PBK_SOFT		0x05	/* soft volume */
88 #define ICE1712_IREG_PBK_RATE_LO	0x06
89 #define ICE1712_IREG_PBK_RATE_MID	0x07
90 #define ICE1712_IREG_PBK_RATE_HI	0x08
91 #define ICE1712_IREG_CAP_COUNT_LO	0x10
92 #define ICE1712_IREG_CAP_COUNT_HI	0x11
93 #define ICE1712_IREG_CAP_CTRL		0x12
94 #define ICE1712_IREG_GPIO_DATA		0x20
95 #define ICE1712_IREG_GPIO_WRITE_MASK	0x21
96 #define ICE1712_IREG_GPIO_DIRECTION	0x22
97 #define ICE1712_IREG_CONSUMER_POWERDOWN	0x30
98 #define ICE1712_IREG_PRO_POWERDOWN	0x31
99 
100 /*
101  *  Consumer section direct DMA registers
102  */
103 
104 #define ICEDS(ice, x) ((ice)->dmapath_port + ICE1712_DS_##x)
105 
106 #define ICE1712_DS_INTMASK		0x00	/* word - interrupt mask */
107 #define ICE1712_DS_INTSTAT		0x02	/* word - interrupt status */
108 #define ICE1712_DS_DATA			0x04	/* dword - channel data */
109 #define ICE1712_DS_INDEX		0x08	/* dword - channel index */
110 
111 /*
112  *  Consumer section channel registers
113  */
114 
115 #define ICE1712_DSC_ADDR0		0x00	/* dword - base address 0 */
116 #define ICE1712_DSC_COUNT0		0x01	/* word - count 0 */
117 #define ICE1712_DSC_ADDR1		0x02	/* dword - base address 1 */
118 #define ICE1712_DSC_COUNT1		0x03	/* word - count 1 */
119 #define ICE1712_DSC_CONTROL		0x04	/* byte - control & status */
120 #define   ICE1712_BUFFER1		0x80	/* buffer1 is active */
121 #define   ICE1712_BUFFER1_AUTO		0x40	/* buffer1 auto init */
122 #define   ICE1712_BUFFER0_AUTO		0x20	/* buffer0 auto init */
123 #define   ICE1712_FLUSH			0x10	/* flush FIFO */
124 #define   ICE1712_STEREO		0x08	/* stereo */
125 #define   ICE1712_16BIT			0x04	/* 16-bit data */
126 #define   ICE1712_PAUSE			0x02	/* pause */
127 #define   ICE1712_START			0x01	/* start */
128 #define ICE1712_DSC_RATE		0x05	/* dword - rate */
129 #define ICE1712_DSC_VOLUME		0x06	/* word - volume control */
130 
131 /*
132  *  Professional multi-track direct control registers
133  */
134 
135 #define ICEMT(ice, x) ((ice)->profi_port + ICE1712_MT_##x)
136 
137 #define ICE1712_MT_IRQ			0x00	/* byte - interrupt mask */
138 #define   ICE1712_MULTI_CAPTURE		0x80	/* capture IRQ */
139 #define   ICE1712_MULTI_PLAYBACK	0x40	/* playback IRQ */
140 #define   ICE1712_MULTI_CAPSTATUS	0x02	/* capture IRQ status */
141 #define   ICE1712_MULTI_PBKSTATUS	0x01	/* playback IRQ status */
142 #define ICE1712_MT_RATE			0x01	/* byte - sampling rate select */
143 #define   ICE1712_SPDIF_MASTER		0x10	/* S/PDIF input is master clock */
144 #define ICE1712_MT_I2S_FORMAT		0x02	/* byte - I2S data format */
145 #define ICE1712_MT_AC97_INDEX		0x04	/* byte - AC'97 index */
146 #define ICE1712_MT_AC97_CMD		0x05	/* byte - AC'97 command & status */
147 /* look to ICE1712_AC97_* */
148 #define ICE1712_MT_AC97_DATA		0x06	/* word - AC'97 data */
149 #define ICE1712_MT_PLAYBACK_ADDR	0x10	/* dword - playback address */
150 #define ICE1712_MT_PLAYBACK_SIZE	0x14	/* word - playback size */
151 #define ICE1712_MT_PLAYBACK_COUNT	0x16	/* word - playback count */
152 #define ICE1712_MT_PLAYBACK_CONTROL	0x18	/* byte - control */
153 #define   ICE1712_CAPTURE_START_SHADOW	0x04	/* capture start */
154 #define   ICE1712_PLAYBACK_PAUSE	0x02	/* playback pause */
155 #define   ICE1712_PLAYBACK_START	0x01	/* playback start */
156 #define ICE1712_MT_CAPTURE_ADDR		0x20	/* dword - capture address */
157 #define ICE1712_MT_CAPTURE_SIZE		0x24	/* word - capture size */
158 #define ICE1712_MT_CAPTURE_COUNT	0x26	/* word - capture count */
159 #define ICE1712_MT_CAPTURE_CONTROL	0x28	/* byte - control */
160 #define   ICE1712_CAPTURE_START		0x01	/* capture start */
161 #define ICE1712_MT_ROUTE_PSDOUT03	0x30	/* word */
162 #define ICE1712_MT_ROUTE_SPDOUT		0x32	/* word */
163 #define ICE1712_MT_ROUTE_CAPTURE	0x34	/* dword */
164 #define ICE1712_MT_MONITOR_VOLUME	0x38	/* word */
165 #define ICE1712_MT_MONITOR_INDEX	0x3a	/* byte */
166 #define ICE1712_MT_MONITOR_RATE		0x3b	/* byte */
167 #define ICE1712_MT_MONITOR_ROUTECTRL	0x3c	/* byte */
168 #define   ICE1712_ROUTE_AC97		0x01	/* route digital mixer output to AC'97 */
169 #define ICE1712_MT_MONITOR_PEAKINDEX	0x3e	/* byte */
170 #define ICE1712_MT_MONITOR_PEAKDATA	0x3f	/* byte */
171 
172 /*
173  *  Codec configuration bits
174  */
175 
176 /* PCI[60] System Configuration */
177 #define ICE1712_CFG_CLOCK	0xc0
178 #define   ICE1712_CFG_CLOCK512	0x00	/* 22.5692Mhz, 44.1kHz*512 */
179 #define   ICE1712_CFG_CLOCK384  0x40	/* 16.9344Mhz, 44.1kHz*384 */
180 #define   ICE1712_CFG_EXT	0x80	/* external clock */
181 #define ICE1712_CFG_2xMPU401	0x20	/* two MPU401 UARTs */
182 #define ICE1712_CFG_NO_CON_AC97 0x10	/* consumer AC'97 codec is not present */
183 #define ICE1712_CFG_ADC_MASK	0x0c	/* one, two, three, four stereo ADCs */
184 #define ICE1712_CFG_DAC_MASK	0x03	/* one, two, three, four stereo DACs */
185 /* PCI[61] AC-Link Configuration */
186 #define ICE1712_CFG_PRO_I2S	0x80	/* multitrack converter: I2S or AC'97 */
187 #define ICE1712_CFG_AC97_PACKED	0x01	/* split or packed mode - AC'97 */
188 /* PCI[62] I2S Features */
189 #define ICE1712_CFG_I2S_VOLUME	0x80	/* volume/mute capability */
190 #define ICE1712_CFG_I2S_96KHZ	0x40	/* supports 96kHz sampling */
191 #define ICE1712_CFG_I2S_RESMASK	0x30	/* resolution mask, 16,18,20,24-bit */
192 #define ICE1712_CFG_I2S_OTHER	0x0f	/* other I2S IDs */
193 /* PCI[63] S/PDIF Configuration */
194 #define ICE1712_CFG_I2S_CHIPID	0xfc	/* I2S chip ID */
195 #define ICE1712_CFG_SPDIF_IN	0x02	/* S/PDIF input is present */
196 #define ICE1712_CFG_SPDIF_OUT	0x01	/* S/PDIF output is present */
197 
198 /*
199  * DMA mode values
200  * identical with DMA_XXX on i386 architecture.
201  */
202 #define ICE1712_DMA_MODE_WRITE		0x48
203 #define ICE1712_DMA_AUTOINIT		0x10
204 
205 
206 /*
207  * I2C EEPROM Address
208  */
209 #define ICE_I2C_EEPROM_ADDR		0xA0
210 
211 struct snd_ice1712;
212 
213 struct snd_ice1712_eeprom {
214 	unsigned int subvendor;	/* PCI[2c-2f] */
215 	unsigned char size;	/* size of EEPROM image in bytes */
216 	unsigned char version;	/* must be 1 (or 2 for vt1724) */
217 	unsigned char data[32];
218 	unsigned int gpiomask;
219 	unsigned int gpiostate;
220 	unsigned int gpiodir;
221 };
222 
223 enum {
224 	ICE_EEP1_CODEC = 0,	/* 06 */
225 	ICE_EEP1_ACLINK,	/* 07 */
226 	ICE_EEP1_I2SID,		/* 08 */
227 	ICE_EEP1_SPDIF,		/* 09 */
228 	ICE_EEP1_GPIO_MASK,	/* 0a */
229 	ICE_EEP1_GPIO_STATE,	/* 0b */
230 	ICE_EEP1_GPIO_DIR,	/* 0c */
231 	ICE_EEP1_AC97_MAIN_LO,	/* 0d */
232 	ICE_EEP1_AC97_MAIN_HI,	/* 0e */
233 	ICE_EEP1_AC97_PCM_LO,	/* 0f */
234 	ICE_EEP1_AC97_PCM_HI,	/* 10 */
235 	ICE_EEP1_AC97_REC_LO,	/* 11 */
236 	ICE_EEP1_AC97_REC_HI,	/* 12 */
237 	ICE_EEP1_AC97_RECSRC,	/* 13 */
238 	ICE_EEP1_DAC_ID,	/* 14 */
239 	ICE_EEP1_DAC_ID1,
240 	ICE_EEP1_DAC_ID2,
241 	ICE_EEP1_DAC_ID3,
242 	ICE_EEP1_ADC_ID,	/* 18 */
243 	ICE_EEP1_ADC_ID1,
244 	ICE_EEP1_ADC_ID2,
245 	ICE_EEP1_ADC_ID3
246 };
247 
248 #define ice_has_con_ac97(ice)	(!((ice)->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97))
249 
250 
251 struct snd_ak4xxx_private {
252 	unsigned int cif:1;		/* CIF mode */
253 	unsigned char caddr;		/* C0 and C1 bits */
254 	unsigned int data_mask;		/* DATA gpio bit */
255 	unsigned int clk_mask;		/* CLK gpio bit */
256 	unsigned int cs_mask;		/* bit mask for select/deselect address */
257 	unsigned int cs_addr;		/* bits to select address */
258 	unsigned int cs_none;		/* bits to deselect address */
259 	unsigned int add_flags;		/* additional bits at init */
260 	unsigned int mask_flags;	/* total mask bits */
261 	struct snd_akm4xxx_ops {
262 		void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
263 	} ops;
264 };
265 
266 struct snd_ice1712_spdif {
267 	unsigned char cs8403_bits;
268 	unsigned char cs8403_stream_bits;
269 	struct snd_kcontrol *stream_ctl;
270 
271 	struct snd_ice1712_spdif_ops {
272 		void (*open)(struct snd_ice1712 *, struct snd_pcm_substream *);
273 		void (*setup_rate)(struct snd_ice1712 *, int rate);
274 		void (*close)(struct snd_ice1712 *, struct snd_pcm_substream *);
275 		void (*default_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
276 		int (*default_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
277 		void (*stream_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
278 		int (*stream_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
279 	} ops;
280 };
281 
282 struct snd_ice1712_card_info;
283 
284 struct snd_ice1712 {
285 	unsigned long conp_dma_size;
286 	unsigned long conc_dma_size;
287 	unsigned long prop_dma_size;
288 	unsigned long proc_dma_size;
289 	int irq;
290 
291 	unsigned long port;
292 	unsigned long ddma_port;
293 	unsigned long dmapath_port;
294 	unsigned long profi_port;
295 
296 	struct pci_dev *pci;
297 	struct snd_card *card;
298 	struct snd_pcm *pcm;
299 	struct snd_pcm *pcm_ds;
300 	struct snd_pcm *pcm_pro;
301 	struct snd_pcm_substream *playback_con_substream;
302 	struct snd_pcm_substream *playback_con_substream_ds[6];
303 	struct snd_pcm_substream *capture_con_substream;
304 	struct snd_pcm_substream *playback_pro_substream;
305 	struct snd_pcm_substream *capture_pro_substream;
306 	unsigned int playback_pro_size;
307 	unsigned int capture_pro_size;
308 	unsigned int playback_con_virt_addr[6];
309 	unsigned int playback_con_active_buf[6];
310 	unsigned int capture_con_virt_addr;
311 	unsigned int ac97_ext_id;
312 	struct snd_ac97 *ac97;
313 	struct snd_rawmidi *rmidi[2];
314 
315 	spinlock_t reg_lock;
316 	struct snd_info_entry *proc_entry;
317 
318 	struct snd_ice1712_eeprom eeprom;
319 	const struct snd_ice1712_card_info *card_info;
320 
321 	unsigned int pro_volumes[20];
322 	unsigned int omni:1;		/* Delta Omni I/O */
323 	unsigned int dxr_enable:1;	/* Terratec DXR enable for DMX6FIRE */
324 	unsigned int vt1724:1;
325 	unsigned int vt1720:1;
326 	unsigned int has_spdif:1;	/* VT1720/4 - has SPDIF I/O */
327 	unsigned int force_pdma4:1;	/* VT1720/4 - PDMA4 as non-spdif */
328 	unsigned int force_rdma1:1;	/* VT1720/4 - RDMA1 as non-spdif */
329 	unsigned int midi_output:1;	/* VT1720/4: MIDI output triggered */
330 	unsigned int midi_input:1;	/* VT1720/4: MIDI input triggered */
331 	unsigned int own_routing:1;	/* VT1720/4: use own routing ctls */
332 	unsigned int num_total_dacs;	/* total DACs */
333 	unsigned int num_total_adcs;	/* total ADCs */
334 	unsigned int cur_rate;		/* current rate */
335 
336 	struct mutex open_mutex;
337 	struct snd_pcm_substream *pcm_reserved[4];
338 	const struct snd_pcm_hw_constraint_list *hw_rates; /* card-specific rate constraints */
339 
340 	unsigned int akm_codecs;
341 	struct snd_akm4xxx *akm;
342 	struct snd_ice1712_spdif spdif;
343 
344 	struct mutex i2c_mutex;	/* I2C mutex for ICE1724 registers */
345 	struct snd_i2c_bus *i2c;		/* I2C bus */
346 	struct snd_i2c_device *cs8427;	/* CS8427 I2C device */
347 	unsigned int cs8427_timeout;	/* CS8427 reset timeout in HZ/100 */
348 
349 	struct ice1712_gpio {
350 		unsigned int direction;		/* current direction bits */
351 		unsigned int write_mask;	/* current mask bits */
352 		unsigned int saved[2];		/* for ewx_i2c */
353 		/* operators */
354 		void (*set_mask)(struct snd_ice1712 *ice, unsigned int data);
355 		unsigned int (*get_mask)(struct snd_ice1712 *ice);
356 		void (*set_dir)(struct snd_ice1712 *ice, unsigned int data);
357 		unsigned int (*get_dir)(struct snd_ice1712 *ice);
358 		void (*set_data)(struct snd_ice1712 *ice, unsigned int data);
359 		unsigned int (*get_data)(struct snd_ice1712 *ice);
360 		/* misc operators - move to another place? */
361 		void (*set_pro_rate)(struct snd_ice1712 *ice, unsigned int rate);
362 		void (*i2s_mclk_changed)(struct snd_ice1712 *ice);
363 	} gpio;
364 	struct mutex gpio_mutex;
365 
366 	/* other board-specific data */
367 	void *spec;
368 
369 	/* VT172x specific */
370 	int pro_rate_default;
371 	int (*is_spdif_master)(struct snd_ice1712 *ice);
372 	unsigned int (*get_rate)(struct snd_ice1712 *ice);
373 	void (*set_rate)(struct snd_ice1712 *ice, unsigned int rate);
374 	unsigned char (*set_mclk)(struct snd_ice1712 *ice, unsigned int rate);
375 	int (*set_spdif_clock)(struct snd_ice1712 *ice, int type);
376 	int (*get_spdif_master_type)(struct snd_ice1712 *ice);
377 	const char * const *ext_clock_names;
378 	int ext_clock_count;
379 	void (*pro_open)(struct snd_ice1712 *, struct snd_pcm_substream *);
380 #ifdef CONFIG_PM_SLEEP
381 	int (*pm_suspend)(struct snd_ice1712 *);
382 	int (*pm_resume)(struct snd_ice1712 *);
383 	unsigned int pm_suspend_enabled:1;
384 	unsigned int pm_saved_is_spdif_master:1;
385 	unsigned int pm_saved_spdif_ctrl;
386 	unsigned char pm_saved_spdif_cfg;
387 	unsigned int pm_saved_route;
388 #endif
389 };
390 
391 
392 /*
393  * gpio access functions
394  */
395 static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned int bits)
396 {
397 	ice->gpio.set_dir(ice, bits);
398 }
399 
400 static inline unsigned int snd_ice1712_gpio_get_dir(struct snd_ice1712 *ice)
401 {
402 	return ice->gpio.get_dir(ice);
403 }
404 
405 static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
406 {
407 	ice->gpio.set_mask(ice, bits);
408 }
409 
410 static inline void snd_ice1712_gpio_write(struct snd_ice1712 *ice, unsigned int val)
411 {
412 	ice->gpio.set_data(ice, val);
413 }
414 
415 static inline unsigned int snd_ice1712_gpio_read(struct snd_ice1712 *ice)
416 {
417 	return ice->gpio.get_data(ice);
418 }
419 
420 /*
421  * save and restore gpio status
422  * The access to gpio will be protected by mutex, so don't forget to
423  * restore!
424  */
425 static inline void snd_ice1712_save_gpio_status(struct snd_ice1712 *ice)
426 {
427 	mutex_lock(&ice->gpio_mutex);
428 	ice->gpio.saved[0] = ice->gpio.direction;
429 	ice->gpio.saved[1] = ice->gpio.write_mask;
430 }
431 
432 static inline void snd_ice1712_restore_gpio_status(struct snd_ice1712 *ice)
433 {
434 	ice->gpio.set_dir(ice, ice->gpio.saved[0]);
435 	ice->gpio.set_mask(ice, ice->gpio.saved[1]);
436 	ice->gpio.direction = ice->gpio.saved[0];
437 	ice->gpio.write_mask = ice->gpio.saved[1];
438 	mutex_unlock(&ice->gpio_mutex);
439 }
440 
441 /* for bit controls */
442 #define ICE1712_GPIO(xiface, xname, xindex, mask, invert, xaccess) \
443 { .iface = xiface, .name = xname, .access = xaccess, .info = snd_ctl_boolean_mono_info, \
444   .get = snd_ice1712_gpio_get, .put = snd_ice1712_gpio_put, \
445   .private_value = mask | (invert << 24) }
446 
447 int snd_ice1712_gpio_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
448 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
449 
450 /*
451  * set gpio direction, write mask and data
452  */
453 static inline void snd_ice1712_gpio_write_bits(struct snd_ice1712 *ice,
454 					       unsigned int mask, unsigned int bits)
455 {
456 	unsigned val;
457 
458 	ice->gpio.direction |= mask;
459 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
460 	val = snd_ice1712_gpio_read(ice);
461 	val &= ~mask;
462 	val |= mask & bits;
463 	snd_ice1712_gpio_write(ice, val);
464 }
465 
466 static inline int snd_ice1712_gpio_read_bits(struct snd_ice1712 *ice,
467 					      unsigned int mask)
468 {
469 	ice->gpio.direction &= ~mask;
470 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
471 	return  snd_ice1712_gpio_read(ice) & mask;
472 }
473 
474 /* route access functions */
475 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift);
476 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
477 								int shift);
478 
479 int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
480 
481 int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak,
482 			     const struct snd_akm4xxx *template,
483 			     const struct snd_ak4xxx_private *priv,
484 			     struct snd_ice1712 *ice);
485 void snd_ice1712_akm4xxx_free(struct snd_ice1712 *ice);
486 int snd_ice1712_akm4xxx_build_controls(struct snd_ice1712 *ice);
487 
488 int snd_ice1712_init_cs8427(struct snd_ice1712 *ice, int addr);
489 
490 static inline void snd_ice1712_write(struct snd_ice1712 *ice, u8 addr, u8 data)
491 {
492 	outb(addr, ICEREG(ice, INDEX));
493 	outb(data, ICEREG(ice, DATA));
494 }
495 
496 static inline u8 snd_ice1712_read(struct snd_ice1712 *ice, u8 addr)
497 {
498 	outb(addr, ICEREG(ice, INDEX));
499 	return inb(ICEREG(ice, DATA));
500 }
501 
502 
503 /*
504  * entry pointer
505  */
506 
507 struct snd_ice1712_card_info {
508 	unsigned int subvendor;
509 	const char *name;
510 	const char *model;
511 	const char *driver;
512 	int (*chip_init)(struct snd_ice1712 *);
513 	void (*chip_exit)(struct snd_ice1712 *);
514 	int (*build_controls)(struct snd_ice1712 *);
515 	unsigned int no_mpu401:1;
516 	unsigned int mpu401_1_info_flags;
517 	unsigned int mpu401_2_info_flags;
518 	const char *mpu401_1_name;
519 	const char *mpu401_2_name;
520 	const unsigned int eeprom_size;
521 	const unsigned char *eeprom_data;
522 };
523 
524 
525 #endif /* __SOUND_ICE1712_H */
526