cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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ice1712.h (18763B)


      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 */