1#ifndef __SOUND_AD1848_H 2#define __SOUND_AD1848_H 3 4/* 5 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 6 * Definitions for AD1847/AD1848/CS4248 chips 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25#include "pcm.h" 26#include <linux/interrupt.h> 27 28/* IO ports */ 29 30#define AD1848P( codec, x ) ( (chip) -> port + c_d_c_AD1848##x ) 31 32#define c_d_c_AD1848REGSEL 0 33#define c_d_c_AD1848REG 1 34#define c_d_c_AD1848STATUS 2 35#define c_d_c_AD1848PIO 3 36 37/* codec registers */ 38 39#define AD1848_LEFT_INPUT 0x00 /* left input control */ 40#define AD1848_RIGHT_INPUT 0x01 /* right input control */ 41#define AD1848_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */ 42#define AD1848_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */ 43#define AD1848_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */ 44#define AD1848_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */ 45#define AD1848_LEFT_OUTPUT 0x06 /* left output control register */ 46#define AD1848_RIGHT_OUTPUT 0x07 /* right output control register */ 47#define AD1848_DATA_FORMAT 0x08 /* clock and data format - playback/capture - bits 7-0 MCE */ 48#define AD1848_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */ 49#define AD1848_PIN_CTRL 0x0a /* pin control */ 50#define AD1848_TEST_INIT 0x0b /* test and initialization */ 51#define AD1848_MISC_INFO 0x0c /* miscellaneaous information */ 52#define AD1848_LOOPBACK 0x0d /* loopback control */ 53#define AD1848_DATA_UPR_CNT 0x0e /* playback/capture upper base count */ 54#define AD1848_DATA_LWR_CNT 0x0f /* playback/capture lower base count */ 55 56/* definitions for codec register select port - CODECP( REGSEL ) */ 57 58#define AD1848_INIT 0x80 /* CODEC is initializing */ 59#define AD1848_MCE 0x40 /* mode change enable */ 60#define AD1848_TRD 0x20 /* transfer request disable */ 61 62/* definitions for codec status register - CODECP( STATUS ) */ 63 64#define AD1848_GLOBALIRQ 0x01 /* IRQ is active */ 65 66/* definitions for AD1848_LEFT_INPUT and AD1848_RIGHT_INPUT registers */ 67 68#define AD1848_ENABLE_MIC_GAIN 0x20 69 70#define AD1848_MIXS_LINE1 0x00 71#define AD1848_MIXS_AUX1 0x40 72#define AD1848_MIXS_LINE2 0x80 73#define AD1848_MIXS_ALL 0xc0 74 75/* definitions for clock and data format register - AD1848_PLAYBK_FORMAT */ 76 77#define AD1848_LINEAR_8 0x00 /* 8-bit unsigned data */ 78#define AD1848_ALAW_8 0x60 /* 8-bit A-law companded */ 79#define AD1848_ULAW_8 0x20 /* 8-bit U-law companded */ 80#define AD1848_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */ 81#define AD1848_STEREO 0x10 /* stereo mode */ 82/* bits 3-1 define frequency divisor */ 83#define AD1848_XTAL1 0x00 /* 24.576 crystal */ 84#define AD1848_XTAL2 0x01 /* 16.9344 crystal */ 85 86/* definitions for interface control register - AD1848_IFACE_CTRL */ 87 88#define AD1848_CAPTURE_PIO 0x80 /* capture PIO enable */ 89#define AD1848_PLAYBACK_PIO 0x40 /* playback PIO enable */ 90#define AD1848_CALIB_MODE 0x18 /* calibration mode bits */ 91#define AD1848_AUTOCALIB 0x08 /* auto calibrate */ 92#define AD1848_SINGLE_DMA 0x04 /* use single DMA channel */ 93#define AD1848_CAPTURE_ENABLE 0x02 /* capture enable */ 94#define AD1848_PLAYBACK_ENABLE 0x01 /* playback enable */ 95 96/* definitions for pin control register - AD1848_PIN_CTRL */ 97 98#define AD1848_IRQ_ENABLE 0x02 /* enable IRQ */ 99#define AD1848_XCTL1 0x40 /* external control #1 */ 100#define AD1848_XCTL0 0x80 /* external control #0 */ 101 102/* definitions for test and init register - AD1848_TEST_INIT */ 103 104#define AD1848_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */ 105#define AD1848_DMA_REQUEST 0x10 /* DMA request in progress */ 106 107/* defines for codec.mode */ 108 109#define AD1848_MODE_NONE 0x0000 110#define AD1848_MODE_PLAY 0x0001 111#define AD1848_MODE_CAPTURE 0x0002 112#define AD1848_MODE_TIMER 0x0004 113#define AD1848_MODE_OPEN (AD1848_MODE_PLAY|AD1848_MODE_CAPTURE|AD1848_MODE_TIMER) 114#define AD1848_MODE_RUNNING 0x0010 115 116/* defines for codec.hardware */ 117 118#define AD1848_HW_DETECT 0x0000 /* let AD1848 driver detect chip */ 119#define AD1848_HW_AD1847 0x0001 /* AD1847 chip */ 120#define AD1848_HW_AD1848 0x0002 /* AD1848 chip */ 121#define AD1848_HW_CS4248 0x0003 /* CS4248 chip */ 122#define AD1848_HW_CMI8330 0x0004 /* CMI8330 chip */ 123#define AD1848_HW_THINKPAD 0x0005 /* Thinkpad 360/750/755 */ 124 125/* IBM Thinkpad specific stuff */ 126#define AD1848_THINKPAD_CTL_PORT1 0x15e8 127#define AD1848_THINKPAD_CTL_PORT2 0x15e9 128#define AD1848_THINKPAD_CS4248_ENABLE_BIT 0x02 129 130struct snd_ad1848 { 131 unsigned long port; /* i/o port */ 132 struct resource *res_port; 133 int irq; /* IRQ line */ 134 int dma; /* data DMA */ 135 unsigned short version; /* version of CODEC chip */ 136 unsigned short mode; /* see to AD1848_MODE_XXXX */ 137 unsigned short hardware; /* see to AD1848_HW_XXXX */ 138 unsigned short single_dma:1; /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */ 139 140 struct snd_pcm *pcm; 141 struct snd_pcm_substream *playback_substream; 142 struct snd_pcm_substream *capture_substream; 143 struct snd_card *card; 144 145 unsigned char image[32]; /* SGalaxy needs an access to extended registers */ 146 int mce_bit; 147 int calibrate_mute; 148 int dma_size; 149 int thinkpad_flag; /* Thinkpad CS4248 needs some extra help */ 150 151#ifdef CONFIG_PM 152 void (*suspend)(struct snd_ad1848 *chip); 153 void (*resume)(struct snd_ad1848 *chip); 154#endif 155 156 spinlock_t reg_lock; 157 struct mutex open_mutex; 158}; 159 160/* exported functions */ 161 162void snd_ad1848_out(struct snd_ad1848 *chip, unsigned char reg, unsigned char value); 163 164int snd_ad1848_create(struct snd_card *card, 165 unsigned long port, 166 int irq, int dma, 167 unsigned short hardware, 168 struct snd_ad1848 ** chip); 169 170int snd_ad1848_pcm(struct snd_ad1848 * chip, int device, struct snd_pcm **rpcm); 171const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction); 172int snd_ad1848_mixer(struct snd_ad1848 * chip); 173 174/* exported mixer stuffs */ 175enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE }; 176 177#define AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) \ 178 ((reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24)) 179#define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \ 180 ((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22)) 181 182/* for ease of use */ 183struct ad1848_mix_elem { 184 const char *name; 185 int index; 186 int type; 187 unsigned long private_value; 188 const unsigned int *tlv; 189}; 190 191#define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \ 192{ .name = xname, \ 193 .index = xindex, \ 194 .type = AD1848_MIX_SINGLE, \ 195 .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) } 196 197#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ 198{ .name = xname, \ 199 .index = xindex, \ 200 .type = AD1848_MIX_SINGLE, \ 201 .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \ 202 .tlv = xtlv } 203 204#define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 205{ .name = xname, \ 206 .index = xindex, \ 207 .type = AD1848_MIX_DOUBLE, \ 208 .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) } 209 210#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ 211{ .name = xname, \ 212 .index = xindex, \ 213 .type = AD1848_MIX_DOUBLE, \ 214 .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ 215 .tlv = xtlv } 216 217int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c); 218 219#endif /* __SOUND_AD1848_H */ 220