ece11c9b6d
Use wss constants for mode. Move ad1848 hardware constants to the wss.h. Move mixer tlv macros into the ad1848_lib.c from the ad1848.h. Drop the MODE_RUNNING spurious IRQ guard on AD1848 as it doesn not seem to be needed. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Reviewed-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
161 lines
5.9 KiB
C
161 lines
5.9 KiB
C
#ifndef __SOUND_AD1848_H
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#define __SOUND_AD1848_H
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/*
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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* Definitions for AD1847/AD1848/CS4248 chips
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "pcm.h"
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#include <linux/interrupt.h>
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#include "wss.h" /* temporary till the driver is removed */
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/* IO ports */
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#define AD1848P( chip, x ) ( (chip) -> port + c_d_c_AD1848##x )
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#define c_d_c_AD1848REGSEL 0
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#define c_d_c_AD1848REG 1
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#define c_d_c_AD1848STATUS 2
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#define c_d_c_AD1848PIO 3
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/* codec registers */
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#define AD1848_LEFT_INPUT 0x00 /* left input control */
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#define AD1848_RIGHT_INPUT 0x01 /* right input control */
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#define AD1848_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */
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#define AD1848_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */
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#define AD1848_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */
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#define AD1848_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */
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#define AD1848_LEFT_OUTPUT 0x06 /* left output control register */
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#define AD1848_RIGHT_OUTPUT 0x07 /* right output control register */
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#define AD1848_DATA_FORMAT 0x08 /* clock and data format - playback/capture - bits 7-0 MCE */
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#define AD1848_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */
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#define AD1848_PIN_CTRL 0x0a /* pin control */
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#define AD1848_TEST_INIT 0x0b /* test and initialization */
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#define AD1848_MISC_INFO 0x0c /* miscellaneous information */
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#define AD1848_LOOPBACK 0x0d /* loopback control */
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#define AD1848_DATA_UPR_CNT 0x0e /* playback/capture upper base count */
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#define AD1848_DATA_LWR_CNT 0x0f /* playback/capture lower base count */
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/* definitions for codec register select port - CODECP( REGSEL ) */
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#define AD1848_INIT 0x80 /* CODEC is initializing */
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#define AD1848_MCE 0x40 /* mode change enable */
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#define AD1848_TRD 0x20 /* transfer request disable */
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/* definitions for codec status register - CODECP( STATUS ) */
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#define AD1848_GLOBALIRQ 0x01 /* IRQ is active */
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/* definitions for AD1848_LEFT_INPUT and AD1848_RIGHT_INPUT registers */
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#define AD1848_ENABLE_MIC_GAIN 0x20
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#define AD1848_MIXS_LINE1 0x00
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#define AD1848_MIXS_AUX1 0x40
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#define AD1848_MIXS_LINE2 0x80
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#define AD1848_MIXS_ALL 0xc0
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/* definitions for clock and data format register - AD1848_PLAYBK_FORMAT */
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#define AD1848_LINEAR_8 0x00 /* 8-bit unsigned data */
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#define AD1848_ALAW_8 0x60 /* 8-bit A-law companded */
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#define AD1848_ULAW_8 0x20 /* 8-bit U-law companded */
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#define AD1848_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */
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#define AD1848_STEREO 0x10 /* stereo mode */
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/* bits 3-1 define frequency divisor */
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#define AD1848_XTAL1 0x00 /* 24.576 crystal */
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#define AD1848_XTAL2 0x01 /* 16.9344 crystal */
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/* definitions for interface control register - AD1848_IFACE_CTRL */
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#define AD1848_CAPTURE_PIO 0x80 /* capture PIO enable */
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#define AD1848_PLAYBACK_PIO 0x40 /* playback PIO enable */
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#define AD1848_CALIB_MODE 0x18 /* calibration mode bits */
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#define AD1848_AUTOCALIB 0x08 /* auto calibrate */
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#define AD1848_SINGLE_DMA 0x04 /* use single DMA channel */
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#define AD1848_CAPTURE_ENABLE 0x02 /* capture enable */
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#define AD1848_PLAYBACK_ENABLE 0x01 /* playback enable */
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/* definitions for pin control register - AD1848_PIN_CTRL */
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#define AD1848_IRQ_ENABLE 0x02 /* enable IRQ */
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#define AD1848_XCTL1 0x40 /* external control #1 */
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#define AD1848_XCTL0 0x80 /* external control #0 */
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/* definitions for test and init register - AD1848_TEST_INIT */
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#define AD1848_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */
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#define AD1848_DMA_REQUEST 0x10 /* DMA request in progress */
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/* IBM Thinkpad specific stuff */
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#define AD1848_THINKPAD_CTL_PORT1 0x15e8
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#define AD1848_THINKPAD_CTL_PORT2 0x15e9
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#define AD1848_THINKPAD_CS4248_ENABLE_BIT 0x02
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/* exported functions */
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void snd_ad1848_out(struct snd_wss *chip, unsigned char reg,
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unsigned char value);
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int snd_ad1848_create(struct snd_card *card,
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unsigned long port,
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int irq, int dma,
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unsigned short hardware,
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struct snd_wss **chip);
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int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm);
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const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction);
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int snd_ad1848_mixer(struct snd_wss *chip);
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/* exported mixer stuffs */
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enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE };
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#define AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) \
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((reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24))
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#define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \
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((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22))
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/* for ease of use */
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struct ad1848_mix_elem {
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const char *name;
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int index;
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int type;
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unsigned long private_value;
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const unsigned int *tlv;
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};
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#define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \
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{ .name = xname, \
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.index = xindex, \
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.type = AD1848_MIX_SINGLE, \
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.private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) }
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#define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
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{ .name = xname, \
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.index = xindex, \
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.type = AD1848_MIX_DOUBLE, \
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.private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) }
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int snd_ad1848_add_ctl_elem(struct snd_wss *chip,
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const struct ad1848_mix_elem *c);
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#endif /* __SOUND_AD1848_H */
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