1 #ifndef __SOUND_AK4XXX_ADDA_H 2 #define __SOUND_AK4XXX_ADDA_H 3 4 /* 5 * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381 6 * AD and DA converters 7 * 8 * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26 #ifndef AK4XXX_MAX_CHIPS 27 #define AK4XXX_MAX_CHIPS 4 28 #endif 29 30 typedef struct snd_akm4xxx akm4xxx_t; 31 32 struct snd_ak4xxx_ops { 33 void (*lock)(akm4xxx_t *ak, int chip); 34 void (*unlock)(akm4xxx_t *ak, int chip); 35 void (*write)(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val); 36 // unsigned char (*read)(akm4xxx_t *ak, int chip, unsigned char reg); 37 void (*set_rate_val)(akm4xxx_t *ak, unsigned int rate); 38 }; 39 40 #define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */ 41 42 struct snd_akm4xxx { 43 snd_card_t *card; 44 unsigned int num_adcs; /* AK4524 or AK4528 ADCs */ 45 unsigned int num_dacs; /* AK4524 or AK4528 DACs */ 46 unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */ 47 unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image for IPGA (AK4528) */ 48 unsigned long private_value[AK4XXX_MAX_CHIPS]; /* helper for driver */ 49 void *private_data[AK4XXX_MAX_CHIPS]; /* helper for driver */ 50 /* template should fill the following fields */ 51 unsigned int idx_offset; /* control index offset */ 52 enum { 53 SND_AK4524, SND_AK4528, SND_AK4529, 54 SND_AK4355, SND_AK4358, SND_AK4381 55 } type; 56 struct snd_ak4xxx_ops ops; 57 }; 58 59 void snd_akm4xxx_write(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val); 60 void snd_akm4xxx_reset(akm4xxx_t *ak, int state); 61 void snd_akm4xxx_init(akm4xxx_t *ak); 62 int snd_akm4xxx_build_controls(akm4xxx_t *ak); 63 64 #define snd_akm4xxx_get(ak,chip,reg) (ak)->images[(chip) * 16 + (reg)] 65 #define snd_akm4xxx_set(ak,chip,reg,val) ((ak)->images[(chip) * 16 + (reg)] = (val)) 66 #define snd_akm4xxx_get_ipga(ak,chip,reg) (ak)->ipga_gain[chip][(reg)-4] 67 #define snd_akm4xxx_set_ipga(ak,chip,reg,val) ((ak)->ipga_gain[chip][(reg)-4] = (val)) 68 69 #endif /* __SOUND_AK4XXX_ADDA_H */ 70