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
211struct snd_ice1712;
212
213struct 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
223enum {
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
251struct 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
266struct 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
282struct snd_ice1712_card_info;
283
284struct 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 */
395static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned int bits)
396{
397	ice->gpio.set_dir(ice, bits);
398}
399
400static inline unsigned int snd_ice1712_gpio_get_dir(struct snd_ice1712 *ice)
401{
402	return ice->gpio.get_dir(ice);
403}
404
405static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
406{
407	ice->gpio.set_mask(ice, bits);
408}
409
410static inline void snd_ice1712_gpio_write(struct snd_ice1712 *ice, unsigned int val)
411{
412	ice->gpio.set_data(ice, val);
413}
414
415static 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 */
425static 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
432static 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
447int snd_ice1712_gpio_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
448int 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 */
453static 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
466static 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 */
475int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift);
476int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
477								int shift);
478
479int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
480
481int 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);
485void snd_ice1712_akm4xxx_free(struct snd_ice1712 *ice);
486int snd_ice1712_akm4xxx_build_controls(struct snd_ice1712 *ice);
487
488int snd_ice1712_init_cs8427(struct snd_ice1712 *ice, int addr);
489
490static 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
496static 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
507struct 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