cs4231-regs.h

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#ifndef __SOUND_CS4231_REGS_H
#define __SOUND_CS4231_REGS_H

/*
 *  Copyright (c) by Jaroslav Kysela <[email protected]>
 *  Definitions for CS4231 & InterWave chips & compatible chips registers
 *
 *
 *   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
 *
 */

/* IO ports */

#define CS4231P(x)      (c_d_c_CS4231##x)

#define c_d_c_CS4231REGSEL  0
#define c_d_c_CS4231REG     1
#define c_d_c_CS4231STATUS  2
#define c_d_c_CS4231PIO     3

/* codec registers */

#define CS4231_LEFT_INPUT   0x00    /* left input control */
#define CS4231_RIGHT_INPUT  0x01    /* right input control */
#define CS4231_AUX1_LEFT_INPUT  0x02    /* left AUX1 input control */
#define CS4231_AUX1_RIGHT_INPUT 0x03    /* right AUX1 input control */
#define CS4231_AUX2_LEFT_INPUT  0x04    /* left AUX2 input control */
#define CS4231_AUX2_RIGHT_INPUT 0x05    /* right AUX2 input control */
#define CS4231_LEFT_OUTPUT  0x06    /* left output control register */
#define CS4231_RIGHT_OUTPUT 0x07    /* right output control register */
#define CS4231_PLAYBK_FORMAT    0x08    /* clock and data format - playback - bits 7-0 MCE */
#define CS4231_IFACE_CTRL   0x09    /* interface control - bits 7-2 MCE */
#define CS4231_PIN_CTRL     0x0a    /* pin control */
#define CS4231_TEST_INIT    0x0b    /* test and initialization */
#define CS4231_MISC_INFO    0x0c    /* miscellaneous information */
#define CS4231_LOOPBACK     0x0d    /* loopback control */
#define CS4231_PLY_UPR_CNT  0x0e    /* playback upper base count */
#define CS4231_PLY_LWR_CNT  0x0f    /* playback lower base count */
#define CS4231_ALT_FEATURE_1    0x10    /* alternate #1 feature enable */
#define AD1845_AF1_MIC_LEFT 0x10    /* alternate #1 feature + MIC left */
#define CS4231_ALT_FEATURE_2    0x11    /* alternate #2 feature enable */
#define AD1845_AF2_MIC_RIGHT    0x11    /* alternate #2 feature + MIC right */
#define CS4231_LEFT_LINE_IN 0x12    /* left line input control */
#define CS4231_RIGHT_LINE_IN    0x13    /* right line input control */
#define CS4231_TIMER_LOW    0x14    /* timer low byte */
#define CS4231_TIMER_HIGH   0x15    /* timer high byte */
#define CS4231_LEFT_MIC_INPUT   0x16    /* left MIC input control register (InterWave only) */
#define AD1845_UPR_FREQ_SEL 0x16    /* upper byte of frequency select */
#define CS4231_RIGHT_MIC_INPUT  0x17    /* right MIC input control register (InterWave only) */
#define AD1845_LWR_FREQ_SEL 0x17    /* lower byte of frequency select */
#define CS4236_EXT_REG      0x17    /* extended register access */
#define CS4231_IRQ_STATUS   0x18    /* irq status register */
#define CS4231_LINE_LEFT_OUTPUT 0x19    /* left line output control register (InterWave only) */
#define CS4231_VERSION      0x19    /* CS4231(A) - version values */
#define CS4231_MONO_CTRL    0x1a    /* mono input/output control */
#define CS4231_LINE_RIGHT_OUTPUT 0x1b   /* right line output control register (InterWave only) */
#define AD1845_PWR_DOWN     0x1b    /* power down control */
#define CS4235_LEFT_MASTER  0x1b    /* left master output control */
#define CS4231_REC_FORMAT   0x1c    /* clock and data format - record - bits 7-0 MCE */
#define AD1845_CLOCK        0x1d    /* crystal clock select and total power down */
#define CS4235_RIGHT_MASTER 0x1d    /* right master output control */
#define CS4231_REC_UPR_CNT  0x1e    /* record upper count */
#define CS4231_REC_LWR_CNT  0x1f    /* record lower count */

/* definitions for codec register select port - CODECP( REGSEL ) */

#define CS4231_INIT     0x80    /* CODEC is initializing */
#define CS4231_MCE      0x40    /* mode change enable */
#define CS4231_TRD      0x20    /* transfer request disable */

/* definitions for codec status register - CODECP( STATUS ) */

#define CS4231_GLOBALIRQ    0x01    /* IRQ is active */

/* definitions for codec irq status */

#define CS4231_PLAYBACK_IRQ 0x10
#define CS4231_RECORD_IRQ   0x20
#define CS4231_TIMER_IRQ    0x40
#define CS4231_ALL_IRQS     0x70
#define CS4231_REC_UNDERRUN 0x08
#define CS4231_REC_OVERRUN  0x04
#define CS4231_PLY_OVERRUN  0x02
#define CS4231_PLY_UNDERRUN 0x01

/* definitions for CS4231_LEFT_INPUT and CS4231_RIGHT_INPUT registers */

#define CS4231_ENABLE_MIC_GAIN  0x20

#define CS4231_MIXS_LINE    0x00
#define CS4231_MIXS_AUX1    0x40
#define CS4231_MIXS_MIC     0x80
#define CS4231_MIXS_ALL     0xc0

/* definitions for clock and data format register - CS4231_PLAYBK_FORMAT */

#define CS4231_LINEAR_8     0x00    /* 8-bit unsigned data */
#define CS4231_ALAW_8       0x60    /* 8-bit A-law companded */
#define CS4231_ULAW_8       0x20    /* 8-bit U-law companded */
#define CS4231_LINEAR_16    0x40    /* 16-bit twos complement data - little endian */
#define CS4231_LINEAR_16_BIG    0xc0    /* 16-bit twos complement data - big endian */
#define CS4231_ADPCM_16     0xa0    /* 16-bit ADPCM */
#define CS4231_STEREO       0x10    /* stereo mode */
/* bits 3-1 define frequency divisor */
#define CS4231_XTAL1        0x00    /* 24.576 crystal */
#define CS4231_XTAL2        0x01    /* 16.9344 crystal */

/* definitions for interface control register - CS4231_IFACE_CTRL */

#define CS4231_RECORD_PIO   0x80    /* record PIO enable */
#define CS4231_PLAYBACK_PIO 0x40    /* playback PIO enable */
#define CS4231_CALIB_MODE   0x18    /* calibration mode bits */
#define CS4231_AUTOCALIB    0x08    /* auto calibrate */
#define CS4231_SINGLE_DMA   0x04    /* use single DMA channel */
#define CS4231_RECORD_ENABLE    0x02    /* record enable */
#define CS4231_PLAYBACK_ENABLE  0x01    /* playback enable */

/* definitions for pin control register - CS4231_PIN_CTRL */

#define CS4231_IRQ_ENABLE   0x02    /* enable IRQ */
#define CS4231_XCTL1        0x40    /* external control #1 */
#define CS4231_XCTL0        0x80    /* external control #0 */

/* definitions for test and init register - CS4231_TEST_INIT */

#define CS4231_CALIB_IN_PROGRESS 0x20   /* auto calibrate in progress */
#define CS4231_DMA_REQUEST  0x10    /* DMA request in progress */

/* definitions for misc control register - CS4231_MISC_INFO */

#define CS4231_MODE2        0x40    /* MODE 2 */
#define CS4231_IW_MODE3     0x6c    /* MODE 3 - InterWave enhanced mode */
#define CS4231_4236_MODE3   0xe0    /* MODE 3 - CS4236+ enhanced mode */

/* definitions for alternate feature 1 register - CS4231_ALT_FEATURE_1 */

#define CS4231_DACZ     0x01    /* zero DAC when underrun */
#define CS4231_TIMER_ENABLE 0x40    /* codec timer enable */
#define CS4231_OLB      0x80    /* output level bit */

/* definitions for Extended Registers - CS4236+ */

#define CS4236_REG(i23val)  (((i23val << 2) & 0x10) | ((i23val >> 4) & 0x0f))
#define CS4236_I23VAL(reg)  ((((reg)&0xf) << 4) | (((reg)&0x10) >> 2) | 0x8)

#define CS4236_LEFT_LINE    0x08    /* left LINE alternate volume */
#define CS4236_RIGHT_LINE   0x18    /* right LINE alternate volume */
#define CS4236_LEFT_MIC     0x28    /* left MIC volume */
#define CS4236_RIGHT_MIC    0x38    /* right MIC volume */
#define CS4236_LEFT_MIX_CTRL    0x48    /* synthesis and left input mixer control */
#define CS4236_RIGHT_MIX_CTRL   0x58    /* right input mixer control */
#define CS4236_LEFT_FM      0x68    /* left FM volume */
#define CS4236_RIGHT_FM     0x78    /* right FM volume */
#define CS4236_LEFT_DSP     0x88    /* left DSP serial port volume */
#define CS4236_RIGHT_DSP    0x98    /* right DSP serial port volume */
#define CS4236_RIGHT_LOOPBACK   0xa8    /* right loopback monitor volume */
#define CS4236_DAC_MUTE     0xb8    /* DAC mute and IFSE enable */
#define CS4236_ADC_RATE     0xc8    /* indenpendent ADC sample frequency */
#define CS4236_DAC_RATE     0xd8    /* indenpendent DAC sample frequency */
#define CS4236_LEFT_MASTER  0xe8    /* left master digital audio volume */
#define CS4236_RIGHT_MASTER 0xf8    /* right master digital audio volume */
#define CS4236_LEFT_WAVE    0x0c    /* left wavetable serial port volume */
#define CS4236_RIGHT_WAVE   0x1c    /* right wavetable serial port volume */
#define CS4236_VERSION      0x9c    /* chip version and ID */

/* definitions for extended registers - OPTI93X */
#define OPTi931_AUX_LEFT_INPUT  0x10
#define OPTi931_AUX_RIGHT_INPUT 0x11
#define OPTi93X_MIC_LEFT_INPUT  0x14
#define OPTi93X_MIC_RIGHT_INPUT 0x15
#define OPTi93X_OUT_LEFT    0x16
#define OPTi93X_OUT_RIGHT   0x17

#endif /* __SOUND_CS4231_REGS_H */