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	ALSA: ak4113 support
* complete support for ak4113 * based on code for ak4114 and ak4117 Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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							|  | @ -0,0 +1,321 @@ | |||
| #ifndef __SOUND_AK4113_H | ||||
| #define __SOUND_AK4113_H | ||||
| 
 | ||||
| /*
 | ||||
|  *  Routines for Asahi Kasei AK4113 | ||||
|  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>, | ||||
|  *  Copyright (c) by Pavel Hofman <pavel.hofman@ivitera.com>, | ||||
|  * | ||||
|  * | ||||
|  *   This program is free software; you can redistribute it and/or modify | ||||
|  *   it under the terms of the GNU General Public License as published by | ||||
|  *   the Free Software Foundation; either version 2 of the License, or | ||||
|  *   (at your option) any later version. | ||||
|  * | ||||
|  *   This program is distributed in the hope that it will be useful, | ||||
|  *   but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||||
|  *   GNU General Public License for more details. | ||||
|  * | ||||
|  *   You should have received a copy of the GNU General Public License | ||||
|  *   along with this program; if not, write to the Free Software | ||||
|  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | ||||
|  * | ||||
|  */ | ||||
| 
 | ||||
| /* AK4113 registers */ | ||||
| /* power down */ | ||||
| #define AK4113_REG_PWRDN	0x00 | ||||
| /* format control */ | ||||
| #define AK4113_REG_FORMAT	0x01 | ||||
| /* input/output control */ | ||||
| #define AK4113_REG_IO0		0x02 | ||||
| /* input/output control */ | ||||
| #define AK4113_REG_IO1		0x03 | ||||
| /* interrupt0 mask */ | ||||
| #define AK4113_REG_INT0_MASK	0x04 | ||||
| /* interrupt1 mask */ | ||||
| #define AK4113_REG_INT1_MASK	0x05 | ||||
| /* DAT mask & DTS select */ | ||||
| #define AK4113_REG_DATDTS	0x06 | ||||
| /* receiver status 0 */ | ||||
| #define AK4113_REG_RCS0		0x07 | ||||
| /* receiver status 1 */ | ||||
| #define AK4113_REG_RCS1		0x08 | ||||
| /* receiver status 2 */ | ||||
| #define AK4113_REG_RCS2		0x09 | ||||
| /* RX channel status byte 0 */ | ||||
| #define AK4113_REG_RXCSB0	0x0a | ||||
| /* RX channel status byte 1 */ | ||||
| #define AK4113_REG_RXCSB1	0x0b | ||||
| /* RX channel status byte 2 */ | ||||
| #define AK4113_REG_RXCSB2	0x0c | ||||
| /* RX channel status byte 3 */ | ||||
| #define AK4113_REG_RXCSB3	0x0d | ||||
| /* RX channel status byte 4 */ | ||||
| #define AK4113_REG_RXCSB4	0x0e | ||||
| /* burst preamble Pc byte 0 */ | ||||
| #define AK4113_REG_Pc0		0x0f | ||||
| /* burst preamble Pc byte 1 */ | ||||
| #define AK4113_REG_Pc1		0x10 | ||||
| /* burst preamble Pd byte 0 */ | ||||
| #define AK4113_REG_Pd0		0x11 | ||||
| /* burst preamble Pd byte 1 */ | ||||
| #define AK4113_REG_Pd1		0x12 | ||||
| /* Q-subcode address + control */ | ||||
| #define AK4113_REG_QSUB_ADDR	0x13 | ||||
| /* Q-subcode track */ | ||||
| #define AK4113_REG_QSUB_TRACK	0x14 | ||||
| /* Q-subcode index */ | ||||
| #define AK4113_REG_QSUB_INDEX	0x15 | ||||
| /* Q-subcode minute */ | ||||
| #define AK4113_REG_QSUB_MINUTE	0x16 | ||||
| /* Q-subcode second */ | ||||
| #define AK4113_REG_QSUB_SECOND	0x17 | ||||
| /* Q-subcode frame */ | ||||
| #define AK4113_REG_QSUB_FRAME	0x18 | ||||
| /* Q-subcode zero */ | ||||
| #define AK4113_REG_QSUB_ZERO	0x19 | ||||
| /* Q-subcode absolute minute */ | ||||
| #define AK4113_REG_QSUB_ABSMIN	0x1a | ||||
| /* Q-subcode absolute second */ | ||||
| #define AK4113_REG_QSUB_ABSSEC	0x1b | ||||
| /* Q-subcode absolute frame */ | ||||
| #define AK4113_REG_QSUB_ABSFRM	0x1c | ||||
| 
 | ||||
| /* sizes */ | ||||
| #define AK4113_REG_RXCSB_SIZE	((AK4113_REG_RXCSB4-AK4113_REG_RXCSB0)+1) | ||||
| #define AK4113_REG_QSUB_SIZE	((AK4113_REG_QSUB_ABSFRM-AK4113_REG_QSUB_ADDR)\ | ||||
| 		+1) | ||||
| 
 | ||||
| #define AK4113_WRITABLE_REGS	(AK4113_REG_DATDTS + 1) | ||||
| 
 | ||||
| /* AK4113_REG_PWRDN bits */ | ||||
| /* Channel Status Select */ | ||||
| #define AK4113_CS12		(1<<7) | ||||
| /* Block Start & C/U Output Mode */ | ||||
| #define AK4113_BCU		(1<<6) | ||||
| /* Master Clock Operation Select */ | ||||
| #define AK4113_CM1		(1<<5) | ||||
| /* Master Clock Operation Select */ | ||||
| #define AK4113_CM0		(1<<4) | ||||
| /* Master Clock Frequency Select */ | ||||
| #define AK4113_OCKS1		(1<<3) | ||||
| /* Master Clock Frequency Select */ | ||||
| #define AK4113_OCKS0		(1<<2) | ||||
| /* 0 = power down, 1 = normal operation */ | ||||
| #define AK4113_PWN		(1<<1) | ||||
| /* 0 = reset & initialize (except thisregister), 1 = normal operation */ | ||||
| #define AK4113_RST		(1<<0) | ||||
| 
 | ||||
| /* AK4113_REQ_FORMAT bits */ | ||||
| /* V/TX Output select: 0 = Validity Flag Output, 1 = TX */ | ||||
| #define AK4113_VTX		(1<<7) | ||||
| /* Audio Data Control */ | ||||
| #define AK4113_DIF2		(1<<6) | ||||
| /* Audio Data Control */ | ||||
| #define AK4113_DIF1		(1<<5) | ||||
| /* Audio Data Control */ | ||||
| #define AK4113_DIF0		(1<<4) | ||||
| /* Deemphasis Autodetect Enable (1 = enable) */ | ||||
| #define AK4113_DEAU		(1<<3) | ||||
| /* 32kHz-48kHz Deemphasis Control */ | ||||
| #define AK4113_DEM1		(1<<2) | ||||
| /* 32kHz-48kHz Deemphasis Control */ | ||||
| #define AK4113_DEM0		(1<<1) | ||||
| #define AK4113_DEM_OFF		(AK4113_DEM0) | ||||
| #define AK4113_DEM_44KHZ	(0) | ||||
| #define AK4113_DEM_48KHZ	(AK4113_DEM1) | ||||
| #define AK4113_DEM_32KHZ	(AK4113_DEM0|AK4113_DEM1) | ||||
| /* STDO: 16-bit, right justified */ | ||||
| #define AK4113_DIF_16R		(0) | ||||
| /* STDO: 18-bit, right justified */ | ||||
| #define AK4113_DIF_18R		(AK4113_DIF0) | ||||
| /* STDO: 20-bit, right justified */ | ||||
| #define AK4113_DIF_20R		(AK4113_DIF1) | ||||
| /* STDO: 24-bit, right justified */ | ||||
| #define AK4113_DIF_24R		(AK4113_DIF1|AK4113_DIF0) | ||||
| /* STDO: 24-bit, left justified */ | ||||
| #define AK4113_DIF_24L		(AK4113_DIF2) | ||||
| /* STDO: I2S */ | ||||
| #define AK4113_DIF_24I2S	(AK4113_DIF2|AK4113_DIF0) | ||||
| /* STDO: 24-bit, left justified; LRCLK, BICK = Input */ | ||||
| #define AK4113_DIF_I24L		(AK4113_DIF2|AK4113_DIF1) | ||||
| /* STDO: I2S;  LRCLK, BICK = Input */ | ||||
| #define AK4113_DIF_I24I2S	(AK4113_DIF2|AK4113_DIF1|AK4113_DIF0) | ||||
| 
 | ||||
| /* AK4113_REG_IO0 */ | ||||
| /* XTL1=0,XTL0=0 -> 11.2896Mhz; XTL1=0,XTL0=1 -> 12.288Mhz */ | ||||
| #define AK4113_XTL1		(1<<6) | ||||
| /* XTL1=1,XTL0=0 -> 24.576Mhz; XTL1=1,XTL0=1 -> use channel status */ | ||||
| #define AK4113_XTL0		(1<<5) | ||||
| /* Block Start Signal Output: 0 = U-bit, 1 = C-bit (req. BCU = 1) */ | ||||
| #define AK4113_UCE		(1<<4) | ||||
| /* TX Output Enable (1 = enable) */ | ||||
| #define AK4113_TXE		(1<<3) | ||||
| /* Output Through Data Selector for TX pin */ | ||||
| #define AK4113_OPS2		(1<<2) | ||||
| /* Output Through Data Selector for TX pin */ | ||||
| #define AK4113_OPS1		(1<<1) | ||||
| /* Output Through Data Selector for TX pin */ | ||||
| #define AK4113_OPS0		(1<<0) | ||||
| /* 11.2896 MHz ref. Xtal freq. */ | ||||
| #define AK4113_XTL_11_2896M	(0) | ||||
| /* 12.288 MHz ref. Xtal freq. */ | ||||
| #define AK4113_XTL_12_288M	(AK4113_XTL0) | ||||
| /* 24.576 MHz ref. Xtal freq. */ | ||||
| #define AK4113_XTL_24_576M	(AK4113_XTL1) | ||||
| 
 | ||||
| /* AK4113_REG_IO1 */ | ||||
| /* Interrupt 0 pin Hold */ | ||||
| #define AK4113_EFH1		(1<<7) | ||||
| /* Interrupt 0 pin Hold */ | ||||
| #define AK4113_EFH0		(1<<6) | ||||
| #define AK4113_EFH_512LRCLK	(0) | ||||
| #define AK4113_EFH_1024LRCLK	(AK4113_EFH0) | ||||
| #define AK4113_EFH_2048LRCLK	(AK4113_EFH1) | ||||
| #define AK4113_EFH_4096LRCLK	(AK4113_EFH1|AK4113_EFH0) | ||||
| /* PLL Lock Time: 0 = 384/fs, 1 = 1/fs */ | ||||
| #define AK4113_FAST		(1<<5) | ||||
| /* MCKO2 Output Select: 0 = CMx/OCKSx, 1 = Xtal */ | ||||
| #define AK4113_XMCK		(1<<4) | ||||
| /* MCKO2 Output Freq. Select: 0 = x1, 1 = x0.5  (req. XMCK = 1) */ | ||||
| #define AK4113_DIV		(1<<3) | ||||
| /* Input Recovery Data Select */ | ||||
| #define AK4113_IPS2		(1<<2) | ||||
| /* Input Recovery Data Select */ | ||||
| #define AK4113_IPS1		(1<<1) | ||||
| /* Input Recovery Data Select */ | ||||
| #define AK4113_IPS0		(1<<0) | ||||
| #define AK4113_IPS(x)		((x)&7) | ||||
| 
 | ||||
| /* AK4113_REG_INT0_MASK && AK4113_REG_INT1_MASK*/ | ||||
| /* mask enable for QINT bit */ | ||||
| #define AK4113_MQI		(1<<7) | ||||
| /* mask enable for AUTO bit */ | ||||
| #define AK4113_MAUT		(1<<6) | ||||
| /* mask enable for CINT bit */ | ||||
| #define AK4113_MCIT		(1<<5) | ||||
| /* mask enable for UNLOCK bit */ | ||||
| #define AK4113_MULK		(1<<4) | ||||
| /* mask enable for V bit */ | ||||
| #define AK4113_V		(1<<3) | ||||
| /* mask enable for STC bit */ | ||||
| #define AK4113_STC		(1<<2) | ||||
| /* mask enable for AUDN bit */ | ||||
| #define AK4113_MAN		(1<<1) | ||||
| /* mask enable for PAR bit */ | ||||
| #define AK4113_MPR		(1<<0) | ||||
| 
 | ||||
| /* AK4113_REG_DATDTS */ | ||||
| /* DAT Start ID Counter */ | ||||
| #define AK4113_DCNT		(1<<4) | ||||
| /* DTS-CD 16-bit Sync Word Detect */ | ||||
| #define AK4113_DTS16		(1<<3) | ||||
| /* DTS-CD 14-bit Sync Word Detect */ | ||||
| #define AK4113_DTS14		(1<<2) | ||||
| /* mask enable for DAT bit (if 1, no INT1 effect */ | ||||
| #define AK4113_MDAT1		(1<<1) | ||||
| /* mask enable for DAT bit (if 1, no INT0 effect */ | ||||
| #define AK4113_MDAT0		(1<<0) | ||||
| 
 | ||||
| /* AK4113_REG_RCS0 */ | ||||
| /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */ | ||||
| #define AK4113_QINT		(1<<7) | ||||
| /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */ | ||||
| #define AK4113_AUTO		(1<<6) | ||||
| /* channel status buffer interrupt, 0 = no change, 1 = change */ | ||||
| #define AK4113_CINT		(1<<5) | ||||
| /* PLL lock status, 0 = lock, 1 = unlock */ | ||||
| #define AK4113_UNLCK		(1<<4) | ||||
| /* Validity bit, 0 = valid, 1 = invalid */ | ||||
| #define AK4113_V		(1<<3) | ||||
| /* sampling frequency or Pre-emphasis change, 0 = no detect, 1 = detect */ | ||||
| #define AK4113_STC		(1<<2) | ||||
| /* audio bit output, 0 = audio, 1 = non-audio */ | ||||
| #define AK4113_AUDION		(1<<1) | ||||
| /* parity error or biphase error status, 0 = no error, 1 = error */ | ||||
| #define AK4113_PAR		(1<<0) | ||||
| 
 | ||||
| /* AK4113_REG_RCS1 */ | ||||
| /* sampling frequency detection */ | ||||
| #define AK4113_FS3		(1<<7) | ||||
| #define AK4113_FS2		(1<<6) | ||||
| #define AK4113_FS1		(1<<5) | ||||
| #define AK4113_FS0		(1<<4) | ||||
| /* Pre-emphasis detect, 0 = OFF, 1 = ON */ | ||||
| #define AK4113_PEM		(1<<3) | ||||
| /* DAT Start ID Detect, 0 = no detect, 1 = detect */ | ||||
| #define AK4113_DAT		(1<<2) | ||||
| /* DTS-CD bit audio stream detect, 0 = no detect, 1 = detect */ | ||||
| #define AK4113_DTSCD		(1<<1) | ||||
| /* Non-PCM bit stream detection, 0 = no detect, 1 = detect */ | ||||
| #define AK4113_NPCM		(1<<0) | ||||
| #define AK4113_FS_8000HZ	(AK4113_FS3|AK4113_FS0) | ||||
| #define AK4113_FS_11025HZ	(AK4113_FS2|AK4113_FS0) | ||||
| #define AK4113_FS_16000HZ	(AK4113_FS2|AK4113_FS1|AK4113_FS0) | ||||
| #define AK4113_FS_22050HZ	(AK4113_FS2) | ||||
| #define AK4113_FS_24000HZ	(AK4113_FS2|AK4113_FS1) | ||||
| #define AK4113_FS_32000HZ	(AK4113_FS1|AK4113_FS0) | ||||
| #define AK4113_FS_44100HZ	(0) | ||||
| #define AK4113_FS_48000HZ	(AK4113_FS1) | ||||
| #define AK4113_FS_64000HZ	(AK4113_FS3|AK4113_FS1|AK4113_FS0) | ||||
| #define AK4113_FS_88200HZ	(AK4113_FS3) | ||||
| #define AK4113_FS_96000HZ	(AK4113_FS3|AK4113_FS1) | ||||
| #define AK4113_FS_176400HZ	(AK4113_FS3|AK4113_FS2) | ||||
| #define AK4113_FS_192000HZ	(AK4113_FS3|AK4113_FS2|AK4113_FS1) | ||||
| 
 | ||||
| /* AK4113_REG_RCS2 */ | ||||
| /* CRC for Q-subcode, 0 = no error, 1 = error */ | ||||
| #define AK4113_QCRC		(1<<1) | ||||
| /* CRC for channel status, 0 = no error, 1 = error */ | ||||
| #define AK4113_CCRC		(1<<0) | ||||
| 
 | ||||
| /* flags for snd_ak4113_check_rate_and_errors() */ | ||||
| #define AK4113_CHECK_NO_STAT	(1<<0)	/* no statistics */ | ||||
| #define AK4113_CHECK_NO_RATE	(1<<1)	/* no rate check */ | ||||
| 
 | ||||
| #define AK4113_CONTROLS		13 | ||||
| 
 | ||||
| typedef void (ak4113_write_t)(void *private_data, unsigned char addr, | ||||
| 		unsigned char data); | ||||
| typedef unsigned char (ak4113_read_t)(void *private_data, unsigned char addr); | ||||
| 
 | ||||
| struct ak4113 { | ||||
| 	struct snd_card *card; | ||||
| 	ak4113_write_t *write; | ||||
| 	ak4113_read_t *read; | ||||
| 	void *private_data; | ||||
| 	unsigned int init:1; | ||||
| 	spinlock_t lock; | ||||
| 	unsigned char regmap[AK4113_WRITABLE_REGS]; | ||||
| 	struct snd_kcontrol *kctls[AK4113_CONTROLS]; | ||||
| 	struct snd_pcm_substream *substream; | ||||
| 	unsigned long parity_errors; | ||||
| 	unsigned long v_bit_errors; | ||||
| 	unsigned long qcrc_errors; | ||||
| 	unsigned long ccrc_errors; | ||||
| 	unsigned char rcs0; | ||||
| 	unsigned char rcs1; | ||||
| 	unsigned char rcs2; | ||||
| 	struct delayed_work work; | ||||
| 	unsigned int check_flags; | ||||
| 	void *change_callback_private; | ||||
| 	void (*change_callback)(struct ak4113 *ak4113, unsigned char c0, | ||||
| 			unsigned char c1); | ||||
| }; | ||||
| 
 | ||||
| int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read, | ||||
| 		ak4113_write_t *write, | ||||
| 		const unsigned char pgm[AK4113_WRITABLE_REGS], | ||||
| 		void *private_data, struct ak4113 **r_ak4113); | ||||
| void snd_ak4113_reg_write(struct ak4113 *ak4113, unsigned char reg, | ||||
| 		unsigned char mask, unsigned char val); | ||||
| void snd_ak4113_reinit(struct ak4113 *ak4113); | ||||
| int snd_ak4113_build(struct ak4113 *ak4113, | ||||
| 		struct snd_pcm_substream *capture_substream); | ||||
| int snd_ak4113_external_rate(struct ak4113 *ak4113); | ||||
| int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags); | ||||
| 
 | ||||
| #endif /* __SOUND_AK4113_H */ | ||||
| 
 | ||||
|  | @ -5,6 +5,7 @@ | |||
| 
 | ||||
| snd-ak4114-objs := ak4114.o | ||||
| snd-ak4117-objs := ak4117.o | ||||
| snd-ak4113-objs := ak4113.o | ||||
| snd-ak4xxx-adda-objs := ak4xxx-adda.o | ||||
| snd-pt2258-objs := pt2258.o | ||||
| snd-tea575x-tuner-objs := tea575x-tuner.o | ||||
|  | @ -12,5 +13,5 @@ snd-tea575x-tuner-objs := tea575x-tuner.o | |||
| # Module Dependency
 | ||||
| obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o | ||||
| obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o | ||||
| obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4xxx-adda.o snd-pt2258.o | ||||
| obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4113.o snd-ak4xxx-adda.o snd-pt2258.o | ||||
| obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o | ||||
|  |  | |||
							
								
								
									
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							|  | @ -0,0 +1,639 @@ | |||
| /*
 | ||||
|  *  Routines for control of the AK4113 via I2C/4-wire serial interface | ||||
|  *  IEC958 (S/PDIF) receiver by Asahi Kasei | ||||
|  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz> | ||||
|  *  Copyright (c) by Pavel Hofman <pavel.hofman@ivitera.com> | ||||
|  * | ||||
|  * | ||||
|  *   This program is free software; you can redistribute it and/or modify | ||||
|  *   it under the terms of the GNU General Public License as published by | ||||
|  *   the Free Software Foundation; either version 2 of the License, or | ||||
|  *   (at your option) any later version. | ||||
|  * | ||||
|  *   This program is distributed in the hope that it will be useful, | ||||
|  *   but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||||
|  *   GNU General Public License for more details. | ||||
|  * | ||||
|  *   You should have received a copy of the GNU General Public License | ||||
|  *   along with this program; if not, write to the Free Software | ||||
|  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | ||||
|  * | ||||
|  */ | ||||
| 
 | ||||
| #include <linux/slab.h> | ||||
| #include <linux/delay.h> | ||||
| #include <sound/core.h> | ||||
| #include <sound/control.h> | ||||
| #include <sound/pcm.h> | ||||
| #include <sound/ak4113.h> | ||||
| #include <sound/asoundef.h> | ||||
| #include <sound/info.h> | ||||
| 
 | ||||
| MODULE_AUTHOR("Pavel Hofman <pavel.hofman@ivitera.com>"); | ||||
| MODULE_DESCRIPTION("AK4113 IEC958 (S/PDIF) receiver by Asahi Kasei"); | ||||
| MODULE_LICENSE("GPL"); | ||||
| 
 | ||||
| #define AK4113_ADDR			0x00 /* fixed address */ | ||||
| 
 | ||||
| static void ak4113_stats(struct work_struct *work); | ||||
| static void ak4113_init_regs(struct ak4113 *chip); | ||||
| 
 | ||||
| 
 | ||||
| static void reg_write(struct ak4113 *ak4113, unsigned char reg, | ||||
| 		unsigned char val) | ||||
| { | ||||
| 	ak4113->write(ak4113->private_data, reg, val); | ||||
| 	if (reg < sizeof(ak4113->regmap)) | ||||
| 		ak4113->regmap[reg] = val; | ||||
| } | ||||
| 
 | ||||
| static inline unsigned char reg_read(struct ak4113 *ak4113, unsigned char reg) | ||||
| { | ||||
| 	return ak4113->read(ak4113->private_data, reg); | ||||
| } | ||||
| 
 | ||||
| static void snd_ak4113_free(struct ak4113 *chip) | ||||
| { | ||||
| 	chip->init = 1;	/* don't schedule new work */ | ||||
| 	mb(); | ||||
| 	cancel_delayed_work(&chip->work); | ||||
| 	flush_scheduled_work(); | ||||
| 	kfree(chip); | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_dev_free(struct snd_device *device) | ||||
| { | ||||
| 	struct ak4113 *chip = device->device_data; | ||||
| 	snd_ak4113_free(chip); | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read, | ||||
| 		ak4113_write_t *write, const unsigned char pgm[5], | ||||
| 		void *private_data, struct ak4113 **r_ak4113) | ||||
| { | ||||
| 	struct ak4113 *chip; | ||||
| 	int err = 0; | ||||
| 	unsigned char reg; | ||||
| 	static struct snd_device_ops ops = { | ||||
| 		.dev_free =     snd_ak4113_dev_free, | ||||
| 	}; | ||||
| 
 | ||||
| 	chip = kzalloc(sizeof(*chip), GFP_KERNEL); | ||||
| 	if (chip == NULL) | ||||
| 		return -ENOMEM; | ||||
| 	spin_lock_init(&chip->lock); | ||||
| 	chip->card = card; | ||||
| 	chip->read = read; | ||||
| 	chip->write = write; | ||||
| 	chip->private_data = private_data; | ||||
| 	INIT_DELAYED_WORK(&chip->work, ak4113_stats); | ||||
| 
 | ||||
| 	for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++) | ||||
| 		chip->regmap[reg] = pgm[reg]; | ||||
| 	ak4113_init_regs(chip); | ||||
| 
 | ||||
| 	chip->rcs0 = reg_read(chip, AK4113_REG_RCS0) & ~(AK4113_QINT | | ||||
| 			AK4113_CINT | AK4113_STC); | ||||
| 	chip->rcs1 = reg_read(chip, AK4113_REG_RCS1); | ||||
| 	chip->rcs2 = reg_read(chip, AK4113_REG_RCS2); | ||||
| 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); | ||||
| 	if (err < 0) | ||||
| 		goto __fail; | ||||
| 
 | ||||
| 	if (r_ak4113) | ||||
| 		*r_ak4113 = chip; | ||||
| 	return 0; | ||||
| 
 | ||||
| __fail: | ||||
| 	snd_ak4113_free(chip); | ||||
| 	return err < 0 ? err : -EIO; | ||||
| } | ||||
| EXPORT_SYMBOL_GPL(snd_ak4113_create); | ||||
| 
 | ||||
| void snd_ak4113_reg_write(struct ak4113 *chip, unsigned char reg, | ||||
| 		unsigned char mask, unsigned char val) | ||||
| { | ||||
| 	if (reg >= AK4113_WRITABLE_REGS) | ||||
| 		return; | ||||
| 	reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val); | ||||
| } | ||||
| EXPORT_SYMBOL_GPL(snd_ak4113_reg_write); | ||||
| 
 | ||||
| static void ak4113_init_regs(struct ak4113 *chip) | ||||
| { | ||||
| 	unsigned char old = chip->regmap[AK4113_REG_PWRDN], reg; | ||||
| 
 | ||||
| 	/* bring the chip to reset state and powerdown state */ | ||||
| 	reg_write(chip, AK4113_REG_PWRDN, old & ~(AK4113_RST|AK4113_PWN)); | ||||
| 	udelay(200); | ||||
| 	/* release reset, but leave powerdown */ | ||||
| 	reg_write(chip, AK4113_REG_PWRDN, (old | AK4113_RST) & ~AK4113_PWN); | ||||
| 	udelay(200); | ||||
| 	for (reg = 1; reg < AK4113_WRITABLE_REGS; reg++) | ||||
| 		reg_write(chip, reg, chip->regmap[reg]); | ||||
| 	/* release powerdown, everything is initialized now */ | ||||
| 	reg_write(chip, AK4113_REG_PWRDN, old | AK4113_RST | AK4113_PWN); | ||||
| } | ||||
| 
 | ||||
| void snd_ak4113_reinit(struct ak4113 *chip) | ||||
| { | ||||
| 	chip->init = 1; | ||||
| 	mb(); | ||||
| 	flush_scheduled_work(); | ||||
| 	ak4113_init_regs(chip); | ||||
| 	/* bring up statistics / event queing */ | ||||
| 	chip->init = 0; | ||||
| 	if (chip->kctls[0]) | ||||
| 		schedule_delayed_work(&chip->work, HZ / 10); | ||||
| } | ||||
| EXPORT_SYMBOL_GPL(snd_ak4113_reinit); | ||||
| 
 | ||||
| static unsigned int external_rate(unsigned char rcs1) | ||||
| { | ||||
| 	switch (rcs1 & (AK4113_FS0|AK4113_FS1|AK4113_FS2|AK4113_FS3)) { | ||||
| 	case AK4113_FS_8000HZ: | ||||
| 		return 8000; | ||||
| 	case AK4113_FS_11025HZ: | ||||
| 		return 11025; | ||||
| 	case AK4113_FS_16000HZ: | ||||
| 		return 16000; | ||||
| 	case AK4113_FS_22050HZ: | ||||
| 		return 22050; | ||||
| 	case AK4113_FS_24000HZ: | ||||
| 		return 24000; | ||||
| 	case AK4113_FS_32000HZ: | ||||
| 		return 32000; | ||||
| 	case AK4113_FS_44100HZ: | ||||
| 		return 44100; | ||||
| 	case AK4113_FS_48000HZ: | ||||
| 		return 48000; | ||||
| 	case AK4113_FS_64000HZ: | ||||
| 		return 64000; | ||||
| 	case AK4113_FS_88200HZ: | ||||
| 		return 88200; | ||||
| 	case AK4113_FS_96000HZ: | ||||
| 		return 96000; | ||||
| 	case AK4113_FS_176400HZ: | ||||
| 		return 176400; | ||||
| 	case AK4113_FS_192000HZ: | ||||
| 		return 192000; | ||||
| 	default: | ||||
| 		return 0; | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_in_error_info(struct snd_kcontrol *kcontrol, | ||||
| 				    struct snd_ctl_elem_info *uinfo) | ||||
| { | ||||
| 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | ||||
| 	uinfo->count = 1; | ||||
| 	uinfo->value.integer.min = 0; | ||||
| 	uinfo->value.integer.max = LONG_MAX; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_in_error_get(struct snd_kcontrol *kcontrol, | ||||
| 				   struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 	long *ptr; | ||||
| 
 | ||||
| 	spin_lock_irq(&chip->lock); | ||||
| 	ptr = (long *)(((char *)chip) + kcontrol->private_value); | ||||
| 	ucontrol->value.integer.value[0] = *ptr; | ||||
| 	*ptr = 0; | ||||
| 	spin_unlock_irq(&chip->lock); | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| #define snd_ak4113_in_bit_info		snd_ctl_boolean_mono_info | ||||
| 
 | ||||
| static int snd_ak4113_in_bit_get(struct snd_kcontrol *kcontrol, | ||||
| 				 struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 	unsigned char reg = kcontrol->private_value & 0xff; | ||||
| 	unsigned char bit = (kcontrol->private_value >> 8) & 0xff; | ||||
| 	unsigned char inv = (kcontrol->private_value >> 31) & 1; | ||||
| 
 | ||||
| 	ucontrol->value.integer.value[0] = | ||||
| 		((reg_read(chip, reg) & (1 << bit)) ? 1 : 0) ^ inv; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_rx_info(struct snd_kcontrol *kcontrol, | ||||
| 			      struct snd_ctl_elem_info *uinfo) | ||||
| { | ||||
| 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | ||||
| 	uinfo->count = 1; | ||||
| 	uinfo->value.integer.min = 0; | ||||
| 	uinfo->value.integer.max = 5; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_rx_get(struct snd_kcontrol *kcontrol, | ||||
| 			     struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 
 | ||||
| 	ucontrol->value.integer.value[0] = | ||||
| 		(AK4113_IPS(chip->regmap[AK4113_REG_IO1])); | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_rx_put(struct snd_kcontrol *kcontrol, | ||||
| 			     struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 	int change; | ||||
| 	u8 old_val; | ||||
| 
 | ||||
| 	spin_lock_irq(&chip->lock); | ||||
| 	old_val = chip->regmap[AK4113_REG_IO1]; | ||||
| 	change = ucontrol->value.integer.value[0] != AK4113_IPS(old_val); | ||||
| 	if (change) | ||||
| 		reg_write(chip, AK4113_REG_IO1, | ||||
| 				(old_val & (~AK4113_IPS(0xff))) | | ||||
| 				(AK4113_IPS(ucontrol->value.integer.value[0]))); | ||||
| 	spin_unlock_irq(&chip->lock); | ||||
| 	return change; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_rate_info(struct snd_kcontrol *kcontrol, | ||||
| 				struct snd_ctl_elem_info *uinfo) | ||||
| { | ||||
| 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | ||||
| 	uinfo->count = 1; | ||||
| 	uinfo->value.integer.min = 0; | ||||
| 	uinfo->value.integer.max = 192000; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_rate_get(struct snd_kcontrol *kcontrol, | ||||
| 			       struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 
 | ||||
| 	ucontrol->value.integer.value[0] = external_rate(reg_read(chip, | ||||
| 				AK4113_REG_RCS1)); | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_info(struct snd_kcontrol *kcontrol, | ||||
| 		struct snd_ctl_elem_info *uinfo) | ||||
| { | ||||
| 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | ||||
| 	uinfo->count = 1; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_get(struct snd_kcontrol *kcontrol, | ||||
| 				struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 	unsigned i; | ||||
| 
 | ||||
| 	for (i = 0; i < AK4113_REG_RXCSB_SIZE; i++) | ||||
| 		ucontrol->value.iec958.status[i] = reg_read(chip, | ||||
| 				AK4113_REG_RXCSB0 + i); | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_mask_info(struct snd_kcontrol *kcontrol, | ||||
| 		struct snd_ctl_elem_info *uinfo) | ||||
| { | ||||
| 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | ||||
| 	uinfo->count = 1; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_mask_get(struct snd_kcontrol *kcontrol, | ||||
| 				      struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	memset(ucontrol->value.iec958.status, 0xff, AK4113_REG_RXCSB_SIZE); | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_pinfo(struct snd_kcontrol *kcontrol, | ||||
| 		struct snd_ctl_elem_info *uinfo) | ||||
| { | ||||
| 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | ||||
| 	uinfo->value.integer.min = 0; | ||||
| 	uinfo->value.integer.max = 0xffff; | ||||
| 	uinfo->count = 4; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_pget(struct snd_kcontrol *kcontrol, | ||||
| 				 struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 	unsigned short tmp; | ||||
| 
 | ||||
| 	ucontrol->value.integer.value[0] = 0xf8f2; | ||||
| 	ucontrol->value.integer.value[1] = 0x4e1f; | ||||
| 	tmp = reg_read(chip, AK4113_REG_Pc0) | | ||||
| 		(reg_read(chip, AK4113_REG_Pc1) << 8); | ||||
| 	ucontrol->value.integer.value[2] = tmp; | ||||
| 	tmp = reg_read(chip, AK4113_REG_Pd0) | | ||||
| 		(reg_read(chip, AK4113_REG_Pd1) << 8); | ||||
| 	ucontrol->value.integer.value[3] = tmp; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_qinfo(struct snd_kcontrol *kcontrol, | ||||
| 		struct snd_ctl_elem_info *uinfo) | ||||
| { | ||||
| 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | ||||
| 	uinfo->count = AK4113_REG_QSUB_SIZE; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int snd_ak4113_spdif_qget(struct snd_kcontrol *kcontrol, | ||||
| 				 struct snd_ctl_elem_value *ucontrol) | ||||
| { | ||||
| 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol); | ||||
| 	unsigned i; | ||||
| 
 | ||||
| 	for (i = 0; i < AK4113_REG_QSUB_SIZE; i++) | ||||
| 		ucontrol->value.bytes.data[i] = reg_read(chip, | ||||
| 				AK4113_REG_QSUB_ADDR + i); | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| /* Don't forget to change AK4113_CONTROLS define!!! */ | ||||
| static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 Parity Errors", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_in_error_info, | ||||
| 	.get =		snd_ak4113_in_error_get, | ||||
| 	.private_value = offsetof(struct ak4113, parity_errors), | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 V-Bit Errors", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_in_error_info, | ||||
| 	.get =		snd_ak4113_in_error_get, | ||||
| 	.private_value = offsetof(struct ak4113, v_bit_errors), | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 C-CRC Errors", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_in_error_info, | ||||
| 	.get =		snd_ak4113_in_error_get, | ||||
| 	.private_value = offsetof(struct ak4113, ccrc_errors), | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 Q-CRC Errors", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_in_error_info, | ||||
| 	.get =		snd_ak4113_in_error_get, | ||||
| 	.private_value = offsetof(struct ak4113, qcrc_errors), | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 External Rate", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_rate_info, | ||||
| 	.get =		snd_ak4113_rate_get, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK), | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ, | ||||
| 	.info =		snd_ak4113_spdif_mask_info, | ||||
| 	.get =		snd_ak4113_spdif_mask_get, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT), | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_spdif_info, | ||||
| 	.get =		snd_ak4113_spdif_get, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 Preample Capture Default", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_spdif_pinfo, | ||||
| 	.get =		snd_ak4113_spdif_pget, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 Q-subcode Capture Default", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_spdif_qinfo, | ||||
| 	.get =		snd_ak4113_spdif_qget, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 Audio", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_in_bit_info, | ||||
| 	.get =		snd_ak4113_in_bit_get, | ||||
| 	.private_value = (1<<31) | (1<<8) | AK4113_REG_RCS0, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 Non-PCM Bitstream", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_in_bit_info, | ||||
| 	.get =		snd_ak4113_in_bit_get, | ||||
| 	.private_value = (0<<8) | AK4113_REG_RCS1, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"IEC958 DTS Bitstream", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, | ||||
| 	.info =		snd_ak4113_in_bit_info, | ||||
| 	.get =		snd_ak4113_in_bit_get, | ||||
| 	.private_value = (1<<8) | AK4113_REG_RCS1, | ||||
| }, | ||||
| { | ||||
| 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM, | ||||
| 	.name =		"AK4113 Input Select", | ||||
| 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | | ||||
| 		SNDRV_CTL_ELEM_ACCESS_WRITE, | ||||
| 	.info =		snd_ak4113_rx_info, | ||||
| 	.get =		snd_ak4113_rx_get, | ||||
| 	.put =		snd_ak4113_rx_put, | ||||
| } | ||||
| }; | ||||
| 
 | ||||
| static void snd_ak4113_proc_regs_read(struct snd_info_entry *entry, | ||||
| 		struct snd_info_buffer *buffer) | ||||
| { | ||||
| 	struct ak4113 *ak4113 = entry->private_data; | ||||
| 	int reg, val; | ||||
| 	/* all ak4113 registers 0x00 - 0x1c */ | ||||
| 	for (reg = 0; reg < 0x1d; reg++) { | ||||
| 		val = reg_read(ak4113, reg); | ||||
| 		snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val); | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| static void snd_ak4113_proc_init(struct ak4113 *ak4113) | ||||
| { | ||||
| 	struct snd_info_entry *entry; | ||||
| 	if (!snd_card_proc_new(ak4113->card, "ak4113", &entry)) | ||||
| 		snd_info_set_text_ops(entry, ak4113, snd_ak4113_proc_regs_read); | ||||
| } | ||||
| 
 | ||||
| int snd_ak4113_build(struct ak4113 *ak4113, | ||||
| 		struct snd_pcm_substream *cap_substream) | ||||
| { | ||||
| 	struct snd_kcontrol *kctl; | ||||
| 	unsigned int idx; | ||||
| 	int err; | ||||
| 
 | ||||
| 	if (snd_BUG_ON(!cap_substream)) | ||||
| 		return -EINVAL; | ||||
| 	ak4113->substream = cap_substream; | ||||
| 	for (idx = 0; idx < AK4113_CONTROLS; idx++) { | ||||
| 		kctl = snd_ctl_new1(&snd_ak4113_iec958_controls[idx], ak4113); | ||||
| 		if (kctl == NULL) | ||||
| 			return -ENOMEM; | ||||
| 		kctl->id.device = cap_substream->pcm->device; | ||||
| 		kctl->id.subdevice = cap_substream->number; | ||||
| 		err = snd_ctl_add(ak4113->card, kctl); | ||||
| 		if (err < 0) | ||||
| 			return err; | ||||
| 		ak4113->kctls[idx] = kctl; | ||||
| 	} | ||||
| 	snd_ak4113_proc_init(ak4113); | ||||
| 	/* trigger workq */ | ||||
| 	schedule_delayed_work(&ak4113->work, HZ / 10); | ||||
| 	return 0; | ||||
| } | ||||
| EXPORT_SYMBOL_GPL(snd_ak4113_build); | ||||
| 
 | ||||
| int snd_ak4113_external_rate(struct ak4113 *ak4113) | ||||
| { | ||||
| 	unsigned char rcs1; | ||||
| 
 | ||||
| 	rcs1 = reg_read(ak4113, AK4113_REG_RCS1); | ||||
| 	return external_rate(rcs1); | ||||
| } | ||||
| EXPORT_SYMBOL_GPL(snd_ak4113_external_rate); | ||||
| 
 | ||||
| int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags) | ||||
| { | ||||
| 	struct snd_pcm_runtime *runtime = | ||||
| 		ak4113->substream ? ak4113->substream->runtime : NULL; | ||||
| 	unsigned long _flags; | ||||
| 	int res = 0; | ||||
| 	unsigned char rcs0, rcs1, rcs2; | ||||
| 	unsigned char c0, c1; | ||||
| 
 | ||||
| 	rcs1 = reg_read(ak4113, AK4113_REG_RCS1); | ||||
| 	if (flags & AK4113_CHECK_NO_STAT) | ||||
| 		goto __rate; | ||||
| 	rcs0 = reg_read(ak4113, AK4113_REG_RCS0); | ||||
| 	rcs2 = reg_read(ak4113, AK4113_REG_RCS2); | ||||
| 	spin_lock_irqsave(&ak4113->lock, _flags); | ||||
| 	if (rcs0 & AK4113_PAR) | ||||
| 		ak4113->parity_errors++; | ||||
| 	if (rcs0 & AK4113_V) | ||||
| 		ak4113->v_bit_errors++; | ||||
| 	if (rcs2 & AK4113_CCRC) | ||||
| 		ak4113->ccrc_errors++; | ||||
| 	if (rcs2 & AK4113_QCRC) | ||||
| 		ak4113->qcrc_errors++; | ||||
| 	c0 = (ak4113->rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC | | ||||
| 				AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK)) ^ | ||||
| 		(rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC | | ||||
| 			 AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK)); | ||||
| 	c1 = (ak4113->rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM | | ||||
| 				AK4113_DAT | 0xf0)) ^ | ||||
| 		(rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM | | ||||
| 			 AK4113_DAT | 0xf0)); | ||||
| 	ak4113->rcs0 = rcs0 & ~(AK4113_QINT | AK4113_CINT | AK4113_STC); | ||||
| 	ak4113->rcs1 = rcs1; | ||||
| 	ak4113->rcs2 = rcs2; | ||||
| 	spin_unlock_irqrestore(&ak4113->lock, _flags); | ||||
| 
 | ||||
| 	if (rcs0 & AK4113_PAR) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[0]->id); | ||||
| 	if (rcs0 & AK4113_V) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[1]->id); | ||||
| 	if (rcs2 & AK4113_CCRC) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[2]->id); | ||||
| 	if (rcs2 & AK4113_QCRC) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[3]->id); | ||||
| 
 | ||||
| 	/* rate change */ | ||||
| 	if (c1 & 0xf0) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[4]->id); | ||||
| 
 | ||||
| 	if ((c1 & AK4113_PEM) | (c0 & AK4113_CINT)) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[6]->id); | ||||
| 	if (c0 & AK4113_QINT) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[8]->id); | ||||
| 
 | ||||
| 	if (c0 & AK4113_AUDION) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[9]->id); | ||||
| 	if (c1 & AK4113_NPCM) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[10]->id); | ||||
| 	if (c1 & AK4113_DTSCD) | ||||
| 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE, | ||||
| 				&ak4113->kctls[11]->id); | ||||
| 
 | ||||
| 	if (ak4113->change_callback && (c0 | c1) != 0) | ||||
| 		ak4113->change_callback(ak4113, c0, c1); | ||||
| 
 | ||||
| __rate: | ||||
| 	/* compare rate */ | ||||
| 	res = external_rate(rcs1); | ||||
| 	if (!(flags & AK4113_CHECK_NO_RATE) && runtime && | ||||
| 			(runtime->rate != res)) { | ||||
| 		snd_pcm_stream_lock_irqsave(ak4113->substream, _flags); | ||||
| 		if (snd_pcm_running(ak4113->substream)) { | ||||
| 			/*printk(KERN_DEBUG "rate changed (%i <- %i)\n",
 | ||||
| 			 * runtime->rate, res); */ | ||||
| 			snd_pcm_stop(ak4113->substream, | ||||
| 					SNDRV_PCM_STATE_DRAINING); | ||||
| 			wake_up(&runtime->sleep); | ||||
| 			res = 1; | ||||
| 		} | ||||
| 		snd_pcm_stream_unlock_irqrestore(ak4113->substream, _flags); | ||||
| 	} | ||||
| 	return res; | ||||
| } | ||||
| EXPORT_SYMBOL_GPL(snd_ak4113_check_rate_and_errors); | ||||
| 
 | ||||
| static void ak4113_stats(struct work_struct *work) | ||||
| { | ||||
| 	struct ak4113 *chip = container_of(work, struct ak4113, work.work); | ||||
| 
 | ||||
| 	if (!chip->init) | ||||
| 		snd_ak4113_check_rate_and_errors(chip, chip->check_flags); | ||||
| 
 | ||||
| 	schedule_delayed_work(&chip->work, HZ / 10); | ||||
| } | ||||
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	 Pavel Hofman
						Pavel Hofman