#ifndef __SOUND_AD1848_H #define __SOUND_AD1848_H /* * Copyright (c) by Jaroslav Kysela <perex@suse.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( codec, 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; struct mutex open_mutex; }; /* 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)) int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int type, unsigned long value); /* for ease of use */ struct ad1848_mix_elem { const char *name; int index; int type; unsigned long private_value; }; #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_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) } static inline int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c) { return snd_ad1848_add_ctl(chip, c->name, c->index, c->type, c->private_value); } #endif /* __SOUND_AD1848_H */