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>

1 files changed, 321 insertions, 0 deletions

diff --git a/include/sound/ak4113.h b/include/sound/ak4113.h
new file mode 100644
index 0000000..8988eda
--- /dev/null
+++ b/include/sound/ak4113.h
@@ -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 */
+