|  | #ifndef __SOUND_AD1848_H | 
|  | #define __SOUND_AD1848_H | 
|  |  | 
|  | /* | 
|  | *  Copyright (c) by Jaroslav Kysela <perex@perex.cz> | 
|  | *  Definitions for AD1847/AD1848/CS4248 chips | 
|  | * | 
|  | * | 
|  | *   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 "pcm.h" | 
|  | #include <linux/interrupt.h> | 
|  |  | 
|  | /* IO ports */ | 
|  |  | 
|  | #define AD1848P( chip, x ) ( (chip) -> port + c_d_c_AD1848##x ) | 
|  |  | 
|  | #define c_d_c_AD1848REGSEL	0 | 
|  | #define c_d_c_AD1848REG		1 | 
|  | #define c_d_c_AD1848STATUS	2 | 
|  | #define c_d_c_AD1848PIO		3 | 
|  |  | 
|  | /* codec registers */ | 
|  |  | 
|  | #define AD1848_LEFT_INPUT	0x00	/* left input control */ | 
|  | #define AD1848_RIGHT_INPUT	0x01	/* right input control */ | 
|  | #define AD1848_AUX1_LEFT_INPUT	0x02	/* left AUX1 input control */ | 
|  | #define AD1848_AUX1_RIGHT_INPUT	0x03	/* right AUX1 input control */ | 
|  | #define AD1848_AUX2_LEFT_INPUT	0x04	/* left AUX2 input control */ | 
|  | #define AD1848_AUX2_RIGHT_INPUT	0x05	/* right AUX2 input control */ | 
|  | #define AD1848_LEFT_OUTPUT	0x06	/* left output control register */ | 
|  | #define AD1848_RIGHT_OUTPUT	0x07	/* right output control register */ | 
|  | #define AD1848_DATA_FORMAT	0x08	/* clock and data format - playback/capture - bits 7-0 MCE */ | 
|  | #define AD1848_IFACE_CTRL	0x09	/* interface control - bits 7-2 MCE */ | 
|  | #define AD1848_PIN_CTRL		0x0a	/* pin control */ | 
|  | #define AD1848_TEST_INIT	0x0b	/* test and initialization */ | 
|  | #define AD1848_MISC_INFO	0x0c	/* miscellaneaous information */ | 
|  | #define AD1848_LOOPBACK		0x0d	/* loopback control */ | 
|  | #define AD1848_DATA_UPR_CNT	0x0e	/* playback/capture upper base count */ | 
|  | #define AD1848_DATA_LWR_CNT	0x0f	/* playback/capture lower base count */ | 
|  |  | 
|  | /* definitions for codec register select port - CODECP( REGSEL ) */ | 
|  |  | 
|  | #define AD1848_INIT		0x80	/* CODEC is initializing */ | 
|  | #define AD1848_MCE		0x40	/* mode change enable */ | 
|  | #define AD1848_TRD		0x20	/* transfer request disable */ | 
|  |  | 
|  | /* definitions for codec status register - CODECP( STATUS ) */ | 
|  |  | 
|  | #define AD1848_GLOBALIRQ	0x01	/* IRQ is active */ | 
|  |  | 
|  | /* definitions for AD1848_LEFT_INPUT and AD1848_RIGHT_INPUT registers */ | 
|  |  | 
|  | #define AD1848_ENABLE_MIC_GAIN	0x20 | 
|  |  | 
|  | #define AD1848_MIXS_LINE1	0x00 | 
|  | #define AD1848_MIXS_AUX1	0x40 | 
|  | #define AD1848_MIXS_LINE2	0x80 | 
|  | #define AD1848_MIXS_ALL		0xc0 | 
|  |  | 
|  | /* definitions for clock and data format register - AD1848_PLAYBK_FORMAT */ | 
|  |  | 
|  | #define AD1848_LINEAR_8		0x00	/* 8-bit unsigned data */ | 
|  | #define AD1848_ALAW_8		0x60	/* 8-bit A-law companded */ | 
|  | #define AD1848_ULAW_8		0x20	/* 8-bit U-law companded */ | 
|  | #define AD1848_LINEAR_16	0x40	/* 16-bit twos complement data - little endian */ | 
|  | #define AD1848_STEREO		0x10	/* stereo mode */ | 
|  | /* bits 3-1 define frequency divisor */ | 
|  | #define AD1848_XTAL1		0x00	/* 24.576 crystal */ | 
|  | #define AD1848_XTAL2		0x01	/* 16.9344 crystal */ | 
|  |  | 
|  | /* definitions for interface control register - AD1848_IFACE_CTRL */ | 
|  |  | 
|  | #define AD1848_CAPTURE_PIO	0x80	/* capture PIO enable */ | 
|  | #define AD1848_PLAYBACK_PIO	0x40	/* playback PIO enable */ | 
|  | #define AD1848_CALIB_MODE	0x18	/* calibration mode bits */ | 
|  | #define AD1848_AUTOCALIB	0x08	/* auto calibrate */ | 
|  | #define AD1848_SINGLE_DMA	0x04	/* use single DMA channel */ | 
|  | #define AD1848_CAPTURE_ENABLE	0x02	/* capture enable */ | 
|  | #define AD1848_PLAYBACK_ENABLE	0x01	/* playback enable */ | 
|  |  | 
|  | /* definitions for pin control register - AD1848_PIN_CTRL */ | 
|  |  | 
|  | #define AD1848_IRQ_ENABLE	0x02	/* enable IRQ */ | 
|  | #define AD1848_XCTL1		0x40	/* external control #1 */ | 
|  | #define AD1848_XCTL0		0x80	/* external control #0 */ | 
|  |  | 
|  | /* definitions for test and init register - AD1848_TEST_INIT */ | 
|  |  | 
|  | #define AD1848_CALIB_IN_PROGRESS 0x20	/* auto calibrate in progress */ | 
|  | #define AD1848_DMA_REQUEST	0x10	/* DMA request in progress */ | 
|  |  | 
|  | /* defines for codec.mode */ | 
|  |  | 
|  | #define AD1848_MODE_NONE	0x0000 | 
|  | #define AD1848_MODE_PLAY	0x0001 | 
|  | #define AD1848_MODE_CAPTURE	0x0002 | 
|  | #define AD1848_MODE_TIMER	0x0004 | 
|  | #define AD1848_MODE_OPEN	(AD1848_MODE_PLAY|AD1848_MODE_CAPTURE|AD1848_MODE_TIMER) | 
|  | #define AD1848_MODE_RUNNING	0x0010 | 
|  |  | 
|  | /* defines for codec.hardware */ | 
|  |  | 
|  | #define AD1848_HW_DETECT	0x0000	/* let AD1848 driver detect chip */ | 
|  | #define AD1848_HW_AD1847	0x0001	/* AD1847 chip */ | 
|  | #define AD1848_HW_AD1848	0x0002	/* AD1848 chip */ | 
|  | #define AD1848_HW_CS4248	0x0003	/* CS4248 chip */ | 
|  | #define AD1848_HW_CMI8330	0x0004	/* CMI8330 chip */ | 
|  | #define AD1848_HW_THINKPAD	0x0005	/* Thinkpad 360/750/755 */ | 
|  |  | 
|  | /* IBM Thinkpad specific stuff */ | 
|  | #define AD1848_THINKPAD_CTL_PORT1		0x15e8 | 
|  | #define AD1848_THINKPAD_CTL_PORT2		0x15e9 | 
|  | #define AD1848_THINKPAD_CS4248_ENABLE_BIT	0x02 | 
|  |  | 
|  | struct snd_ad1848 { | 
|  | unsigned long port;		/* i/o port */ | 
|  | struct resource *res_port; | 
|  | int irq;			/* IRQ line */ | 
|  | int dma;			/* data DMA */ | 
|  | unsigned short version;		/* version of CODEC chip */ | 
|  | unsigned short mode;		/* see to AD1848_MODE_XXXX */ | 
|  | unsigned short hardware;	/* see to AD1848_HW_XXXX */ | 
|  | unsigned short single_dma:1;	/* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */ | 
|  |  | 
|  | struct snd_pcm *pcm; | 
|  | struct snd_pcm_substream *playback_substream; | 
|  | struct snd_pcm_substream *capture_substream; | 
|  | struct snd_card *card; | 
|  |  | 
|  | unsigned char image[32];	/* SGalaxy needs an access to extended registers */ | 
|  | int mce_bit; | 
|  | int calibrate_mute; | 
|  | int dma_size; | 
|  | int thinkpad_flag;		/* Thinkpad CS4248 needs some extra help */ | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | void (*suspend)(struct snd_ad1848 *chip); | 
|  | void (*resume)(struct snd_ad1848 *chip); | 
|  | #endif | 
|  |  | 
|  | spinlock_t reg_lock; | 
|  | }; | 
|  |  | 
|  | /* exported functions */ | 
|  |  | 
|  | void snd_ad1848_out(struct snd_ad1848 *chip, unsigned char reg, unsigned char value); | 
|  |  | 
|  | int snd_ad1848_create(struct snd_card *card, | 
|  | unsigned long port, | 
|  | int irq, int dma, | 
|  | unsigned short hardware, | 
|  | struct snd_ad1848 ** chip); | 
|  |  | 
|  | int snd_ad1848_pcm(struct snd_ad1848 * chip, int device, struct snd_pcm **rpcm); | 
|  | const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction); | 
|  | int snd_ad1848_mixer(struct snd_ad1848 * chip); | 
|  |  | 
|  | /* exported mixer stuffs */ | 
|  | enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE }; | 
|  |  | 
|  | #define AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) \ | 
|  | ((reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24)) | 
|  | #define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \ | 
|  | ((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22)) | 
|  |  | 
|  | /* for ease of use */ | 
|  | struct ad1848_mix_elem { | 
|  | const char *name; | 
|  | int index; | 
|  | int type; | 
|  | unsigned long private_value; | 
|  | const unsigned int *tlv; | 
|  | }; | 
|  |  | 
|  | #define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \ | 
|  | { .name = xname, \ | 
|  | .index = xindex, \ | 
|  | .type = AD1848_MIX_SINGLE, \ | 
|  | .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) } | 
|  |  | 
|  | #define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ | 
|  | { .name = xname, \ | 
|  | .index = xindex, \ | 
|  | .type = AD1848_MIX_SINGLE, \ | 
|  | .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \ | 
|  | .tlv = xtlv } | 
|  |  | 
|  | #define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ | 
|  | { .name = xname, \ | 
|  | .index = xindex, \ | 
|  | .type = AD1848_MIX_DOUBLE, \ | 
|  | .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) } | 
|  |  | 
|  | #define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ | 
|  | { .name = xname, \ | 
|  | .index = xindex, \ | 
|  | .type = AD1848_MIX_DOUBLE, \ | 
|  | .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ | 
|  | .tlv = xtlv } | 
|  |  | 
|  | int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c); | 
|  |  | 
|  | #endif /* __SOUND_AD1848_H */ |