1 #ifndef __SOUND_AD1848_H 2 #define __SOUND_AD1848_H 3 4 /* 5 * Copyright (c) by Jaroslav Kysela <perex (at) perex.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( chip, 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 129 130 struct 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 }; 158 159 /* exported functions */ 160 161 void snd_ad1848_out(struct snd_ad1848 *chip, unsigned char reg, unsigned char value); 162 163 int snd_ad1848_create(struct snd_card *card, 164 unsigned long port, 165 int irq, int dma, 166 unsigned short hardware, 167 struct snd_ad1848 ** chip); 168 169 int snd_ad1848_pcm(struct snd_ad1848 * chip, int device, struct snd_pcm **rpcm); 170 const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction); 171 int snd_ad1848_mixer(struct snd_ad1848 * chip); 172 173 /* exported mixer stuffs */ 174 enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE }; 175 176 #define AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) \ 177 ((reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24)) 178 #define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \ 179 ((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22)) 180 181 /* for ease of use */ 182 struct ad1848_mix_elem { 183 const char *name; 184 int index; 185 int type; 186 unsigned long private_value; 187 const unsigned int *tlv; 188 }; 189 190 #define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \ 191 { .name = xname, \ 192 .index = xindex, \ 193 .type = AD1848_MIX_SINGLE, \ 194 .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) } 195 196 #define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ 197 { .name = xname, \ 198 .index = xindex, \ 199 .type = AD1848_MIX_SINGLE, \ 200 .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \ 201 .tlv = xtlv } 202 203 #define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 204 { .name = xname, \ 205 .index = xindex, \ 206 .type = AD1848_MIX_DOUBLE, \ 207 .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) } 208 209 #define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ 210 { .name = xname, \ 211 .index = xindex, \ 212 .type = AD1848_MIX_DOUBLE, \ 213 .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ 214 .tlv = xtlv } 215 216 int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c); 217 218 #endif /* __SOUND_AD1848_H */ 219
