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linux/include/sound/cs4231.h
Takashi Iwai f739aecced [ALSA] Clean up ISA cs4231 code 
Modules: CS4231 driver

Clean up ISA cs4231 code, removing experimental EBUS/SBUS merge,
to improve readability.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2006-01-03 12:16:44 +01:00

328 lines
14 KiB
C
Raw Blame History

#ifndef __SOUND_CS4231_H
#define __SOUND_CS4231_H
/*
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
* Definitions for CS4231 & InterWave chips & compatible 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 "control.h"
#include "pcm.h"
#include "timer.h"
/* 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 /* miscellaneaous 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 CS4231_PLY_VAR_FREQ 0x1d /* playback variable frequency */
#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 */
/* defines for codec.mode */
#define CS4231_MODE_NONE 0x0000
#define CS4231_MODE_PLAY 0x0001
#define CS4231_MODE_RECORD 0x0002
#define CS4231_MODE_TIMER 0x0004
#define CS4231_MODE_OPEN (CS4231_MODE_PLAY|CS4231_MODE_RECORD|CS4231_MODE_TIMER)
/* defines for codec.hardware */
#define CS4231_HW_DETECT 0x0000 /* let CS4231 driver detect chip */
#define CS4231_HW_DETECT3 0x0001 /* allow mode 3 */
#define CS4231_HW_TYPE_MASK 0xff00 /* type mask */
#define CS4231_HW_CS4231_MASK 0x0100 /* CS4231 serie */
#define CS4231_HW_CS4231 0x0100 /* CS4231 chip */
#define CS4231_HW_CS4231A 0x0101 /* CS4231A chip */
#define CS4231_HW_AD1845 0x0102 /* AD1845 chip */
#define CS4231_HW_CS4232_MASK 0x0200 /* CS4232 serie (has control ports) */
#define CS4231_HW_CS4232 0x0200 /* CS4232 */
#define CS4231_HW_CS4232A 0x0201 /* CS4232A */
#define CS4231_HW_CS4236 0x0202 /* CS4236 */
#define CS4231_HW_CS4236B_MASK 0x0400 /* CS4236B serie (has extended control regs) */
#define CS4231_HW_CS4235 0x0400 /* CS4235 - Crystal Clear (tm) stereo enhancement */
#define CS4231_HW_CS4236B 0x0401 /* CS4236B */
#define CS4231_HW_CS4237B 0x0402 /* CS4237B - SRS 3D */
#define CS4231_HW_CS4238B 0x0403 /* CS4238B - QSOUND 3D */
#define CS4231_HW_CS4239 0x0404 /* CS4239 - Crystal Clear (tm) stereo enhancement */
/* compatible, but clones */
#define CS4231_HW_INTERWAVE 0x1000 /* InterWave chip */
#define CS4231_HW_OPL3SA2 0x1001 /* OPL3-SA2 chip */
/* defines for codec.hwshare */
#define CS4231_HWSHARE_IRQ (1<<0)
#define CS4231_HWSHARE_DMA1 (1<<1)
#define CS4231_HWSHARE_DMA2 (1<<2)
typedef struct _snd_cs4231 cs4231_t;
struct _snd_cs4231 {
unsigned long port; /* base i/o port */
struct resource *res_port;
unsigned long cport; /* control base i/o port (CS4236) */
struct resource *res_cport;
int irq; /* IRQ line */
int dma1; /* playback DMA */
int dma2; /* record DMA */
unsigned short version; /* version of CODEC chip */
unsigned short mode; /* see to CS4231_MODE_XXXX */
unsigned short hardware; /* see to CS4231_HW_XXXX */
unsigned short hwshare; /* shared resources */
unsigned short single_dma:1, /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */
ebus_flag:1; /* SPARC: EBUS present */
snd_card_t *card;
snd_pcm_t *pcm;
snd_pcm_substream_t *playback_substream;
snd_pcm_substream_t *capture_substream;
snd_timer_t *timer;
unsigned char image[32]; /* registers image */
unsigned char eimage[32]; /* extended registers image */
unsigned char cimage[16]; /* control registers image */
int mce_bit;
int calibrate_mute;
int sw_3d_bit;
unsigned int p_dma_size;
unsigned int c_dma_size;
spinlock_t reg_lock;
struct semaphore mce_mutex;
struct semaphore open_mutex;
int (*rate_constraint) (snd_pcm_runtime_t *runtime);
void (*set_playback_format) (cs4231_t *chip, snd_pcm_hw_params_t *hw_params, unsigned char pdfr);
void (*set_capture_format) (cs4231_t *chip, snd_pcm_hw_params_t *hw_params, unsigned char cdfr);
void (*trigger) (cs4231_t *chip, unsigned int what, int start);
#ifdef CONFIG_PM
void (*suspend) (cs4231_t *chip);
void (*resume) (cs4231_t *chip);
#endif
void *dma_private_data;
int (*claim_dma) (cs4231_t *chip, void *dma_private_data, int dma);
int (*release_dma) (cs4231_t *chip, void *dma_private_data, int dma);
};
/* exported functions */
void snd_cs4231_out(cs4231_t *chip, unsigned char reg, unsigned char val);
unsigned char snd_cs4231_in(cs4231_t *chip, unsigned char reg);
void snd_cs4236_ext_out(cs4231_t *chip, unsigned char reg, unsigned char val);
unsigned char snd_cs4236_ext_in(cs4231_t *chip, unsigned char reg);
void snd_cs4231_mce_up(cs4231_t *chip);
void snd_cs4231_mce_down(cs4231_t *chip);
irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs);
const char *snd_cs4231_chip_id(cs4231_t *chip);
int snd_cs4231_create(snd_card_t * card,
unsigned long port,
unsigned long cport,
int irq, int dma1, int dma2,
unsigned short hardware,
unsigned short hwshare,
cs4231_t ** rchip);
int snd_cs4231_pcm(cs4231_t * chip, int device, snd_pcm_t **rpcm);
int snd_cs4231_timer(cs4231_t * chip, int device, snd_timer_t **rtimer);
int snd_cs4231_mixer(cs4231_t * chip);
int snd_cs4236_create(snd_card_t * card,
unsigned long port,
unsigned long cport,
int irq, int dma1, int dma2,
unsigned short hardware,
unsigned short hwshare,
cs4231_t ** rchip);
int snd_cs4236_pcm(cs4231_t * chip, int device, snd_pcm_t **rpcm);
int snd_cs4236_mixer(cs4231_t * chip);
/*
* mixer library
*/
#define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_cs4231_info_single, \
.get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \
.private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
int snd_cs4231_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo);
int snd_cs4231_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol);
int snd_cs4231_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol);
#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_cs4231_info_double, \
.get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \
.private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
int snd_cs4231_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo);
int snd_cs4231_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol);
int snd_cs4231_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol);
#endif /* __SOUND_CS4231_H */
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