1 |
1275 |
phoenix |
/* $Id: cs4231.c,v 1.1.1.1 2004-04-15 02:07:23 phoenix Exp $
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* drivers/sbus/audio/cs4231.c
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*
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* Copyright 1996, 1997, 1998, 1999 Derrick J Brashear (shadow@andrew.cmu.edu)
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* The 4231/ebus support was written by David Miller, who didn't bother
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* crediting himself here, so I will.
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*
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* Based on the AMD7930 driver:
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* Copyright 1996 Thomas K. Dyas (tdyas@noc.rutgers.edu)
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*
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* This is the lowlevel driver for the CS4231 audio chip found on some
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* sun4m and sun4u machines.
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*
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* This was culled from the Crystal docs on the 4231a, and the addendum they
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* faxed me on the 4231.
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* The APC DMA controller support unfortunately is not documented. Thanks, Sun.
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/errno.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/soundcard.h>
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#include <linux/version.h>
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#include <linux/ioport.h>
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#include <asm/openprom.h>
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#include <asm/oplib.h>
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#include <asm/system.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#include <asm/pgtable.h>
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#include <asm/sbus.h>
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#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
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#define EB4231_SUPPORT
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#include <asm/ebus.h>
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#include <asm/pbm.h>
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#endif
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#include <asm/audioio.h>
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#include "cs4231.h"
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#undef __CS4231_DEBUG
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#undef __CS4231_TRACE
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#define __CS4231_ERROR
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#ifdef __CS4231_ERROR
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#define eprintk(x) printk x
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#else
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#define eprintk(x)
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#endif
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#ifdef __CS4231_TRACE
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#define tprintk(x) printk x
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#else
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#define tprintk(x)
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#endif
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#ifdef __CS4231_DEBUG
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#define dprintk(x) printk x
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#else
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#define dprintk(x)
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#endif
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65 |
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#define MAX_DRIVERS 1
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static struct sparcaudio_driver drivers[MAX_DRIVERS];
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static int num_drivers;
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static int cs4231_record_gain(struct sparcaudio_driver *drv, int value,
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unsigned char balance);
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static int cs4231_play_gain(struct sparcaudio_driver *drv, int value,
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unsigned char balance);
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static void cs4231_ready(struct sparcaudio_driver *drv);
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static void cs4231_playintr(struct sparcaudio_driver *drv, int);
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static int cs4231_recintr(struct sparcaudio_driver *drv);
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static int cs4231_output_muted(struct sparcaudio_driver *drv, int value);
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static void cs4231_pollinput(struct sparcaudio_driver *drv);
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static int cs4231_length_to_samplecount(struct audio_prinfo *thisdir,
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unsigned int length);
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static void cs4231_getsamplecount(struct sparcaudio_driver *drv,
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unsigned int length, unsigned int value);
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#ifdef EB4231_SUPPORT
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static void eb4231_pollinput(struct sparcaudio_driver *drv);
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#endif
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/* Serveral shorthands save typing... */
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#define CHIP_READY() \
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do { udelay(100); cs4231_ready(drv); udelay(1000); } while(0)
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#define WRITE_IAR(__VAL) \
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CS4231_WRITE8(cs4231_chip, cs4231_chip->regs + IAR, __VAL)
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#define WRITE_IDR(__VAL) \
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CS4231_WRITE8(cs4231_chip, cs4231_chip->regs + IDR, __VAL)
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#define READ_IAR() \
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CS4231_READ8(cs4231_chip, cs4231_chip->regs + IAR)
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#define READ_IDR() \
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CS4231_READ8(cs4231_chip, cs4231_chip->regs + IDR)
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/* Enable cs4231 interrupts atomically. */
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static void cs4231_enable_interrupts(struct sparcaudio_driver *drv)
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{
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
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unsigned long flags;
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tprintk(("enabling interrupts\n"));
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save_flags(flags);
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cli();
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if ((cs4231_chip->status & CS_STATUS_INTS_ON) == 0) {
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WRITE_IAR(0xa);
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WRITE_IDR(INTR_ON);
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cs4231_chip->status |= CS_STATUS_INTS_ON;
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}
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restore_flags(flags);
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}
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/* Disable cs4231 interrupts atomically. */
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static void cs4231_disable_interrupts(struct sparcaudio_driver *drv)
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{
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
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unsigned long flags;
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tprintk(("disabling interrupts\n"));
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save_flags(flags);
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cli();
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if ((cs4231_chip->status & CS_STATUS_INTS_ON) != 0) {
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WRITE_IAR(0xa);
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WRITE_IDR(INTR_OFF);
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cs4231_chip->status &= ~CS_STATUS_INTS_ON;
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}
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restore_flags(flags);
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}
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static void cs4231_enable_play(struct sparcaudio_driver *drv)
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{
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
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unsigned long flags;
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tprintk(("enabling play\n"));
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save_flags(flags);
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cli();
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WRITE_IAR(0x9);
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WRITE_IDR(READ_IDR() | PEN_ENABLE);
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restore_flags(flags);
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}
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static void cs4231_disable_play(struct sparcaudio_driver *drv)
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{
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148 |
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
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unsigned long flags;
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tprintk(("disabling play\n"));
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save_flags(flags);
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cli();
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WRITE_IAR(0x9);
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WRITE_IDR(READ_IDR() & PEN_DISABLE);
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restore_flags(flags);
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}
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158 |
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159 |
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static void cs4231_enable_rec(struct sparcaudio_driver *drv)
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{
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
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unsigned long flags;
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tprintk(("enabling rec\n"));
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save_flags(flags);
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cli();
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WRITE_IAR(0x9);
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WRITE_IDR(READ_IDR() | CEN_ENABLE);
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restore_flags(flags);
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}
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static void cs4231_disable_rec(struct sparcaudio_driver *drv)
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{
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
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unsigned long flags;
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tprintk(("disabling rec\n"));
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save_flags(flags);
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cli();
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WRITE_IAR(0x9);
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WRITE_IDR(READ_IDR() & CEN_DISABLE);
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restore_flags(flags);
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}
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static struct cs4231_rates {
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int speed, bits;
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} cs4231_rate_table[] = {
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{ 5512, CS4231_DFR_5512 },
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{ 6615, CS4231_DFR_6615 },
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{ 8000, CS4231_DFR_8000 },
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{ 9600, CS4231_DFR_9600 },
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{ 11025, CS4231_DFR_11025 },
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{ 16000, CS4231_DFR_16000 },
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{ 18900, CS4231_DFR_18900 },
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{ 22050, CS4231_DFR_22050 },
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{ 27429, CS4231_DFR_27429 },
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{ 32000, CS4231_DFR_32000 },
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{ 33075, CS4231_DFR_33075 },
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{ 37800, CS4231_DFR_37800 },
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{ 44100, CS4231_DFR_44100 },
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{ 48000, CS4231_DFR_48000 }
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};
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203 |
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204 |
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#define NUM_RATES (sizeof(cs4231_rate_table) / sizeof(struct cs4231_rates))
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205 |
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206 |
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static int cs4231_rate_to_bits(struct sparcaudio_driver *drv, int *value)
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207 |
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{
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208 |
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struct cs4231_rates *p = &cs4231_rate_table[0];
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209 |
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int i, wanted = *value;
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210 |
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211 |
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/* We try to be nice and approximate what the user asks for. */
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212 |
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if (wanted < 5512)
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213 |
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wanted = 5512;
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214 |
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if (wanted > 48000)
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215 |
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wanted = 48000;
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216 |
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|
217 |
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for (i = 0; i < NUM_RATES; i++, p++) {
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218 |
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/* Exact match? */
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219 |
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if (wanted == p->speed)
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220 |
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break;
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221 |
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|
222 |
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/* If we're inbetween two entries, and neither is exact,
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223 |
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* pick the closest one.
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224 |
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*/
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225 |
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if (wanted == p[1].speed)
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226 |
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continue;
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227 |
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if (wanted > p->speed && wanted < p[1].speed) {
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228 |
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int diff1, diff2;
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229 |
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230 |
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diff1 = wanted - p->speed;
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231 |
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diff2 = p[1].speed - wanted;
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232 |
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if (diff2 < diff1)
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233 |
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p++;
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234 |
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break;
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235 |
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}
|
236 |
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}
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237 |
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*value = p->speed;
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238 |
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return p->bits;
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239 |
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}
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240 |
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|
241 |
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static int cs4231_encoding_to_bits(struct sparcaudio_driver *drv, int value)
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242 |
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{
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243 |
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int set_bits;
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244 |
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245 |
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switch (value) {
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246 |
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case AUDIO_ENCODING_ULAW:
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247 |
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set_bits = CS4231_DFR_ULAW;
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248 |
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break;
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249 |
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case AUDIO_ENCODING_ALAW:
|
250 |
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set_bits = CS4231_DFR_ALAW;
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251 |
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break;
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252 |
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case AUDIO_ENCODING_DVI:
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253 |
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set_bits = CS4231_DFR_ADPCM;
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254 |
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break;
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255 |
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case AUDIO_ENCODING_LINEARLE:
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256 |
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set_bits = CS4231_DFR_LINEARLE;
|
257 |
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break;
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258 |
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case AUDIO_ENCODING_LINEAR:
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259 |
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set_bits = CS4231_DFR_LINEARBE;
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260 |
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break;
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261 |
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case AUDIO_ENCODING_LINEAR8:
|
262 |
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set_bits = CS4231_DFR_LINEAR8;
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263 |
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break;
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264 |
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default:
|
265 |
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set_bits = -EINVAL;
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266 |
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break;
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267 |
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};
|
268 |
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|
269 |
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return set_bits;
|
270 |
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}
|
271 |
|
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|
272 |
|
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static int cs4231_set_output_encoding(struct sparcaudio_driver *drv, int value)
|
273 |
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{
|
274 |
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
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275 |
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int tmp_bits, set_bits;
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276 |
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|
277 |
|
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tprintk(("output encoding %d\n", value));
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278 |
|
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if (value != 0) {
|
279 |
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set_bits = cs4231_encoding_to_bits(drv, value);
|
280 |
|
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if (set_bits >= 0) {
|
281 |
|
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READ_IDR();
|
282 |
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READ_IDR();
|
283 |
|
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WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x8);
|
284 |
|
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tmp_bits = READ_IDR();
|
285 |
|
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WRITE_IDR(CHANGE_ENCODING(tmp_bits, set_bits));
|
286 |
|
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READ_IDR();
|
287 |
|
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READ_IDR();
|
288 |
|
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CHIP_READY();
|
289 |
|
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cs4231_chip->perchip_info.play.encoding = value;
|
290 |
|
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return 0;
|
291 |
|
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}
|
292 |
|
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}
|
293 |
|
|
dprintk(("output enc failed\n"));
|
294 |
|
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return -EINVAL;
|
295 |
|
|
}
|
296 |
|
|
|
297 |
|
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static int cs4231_get_output_encoding(struct sparcaudio_driver *drv)
|
298 |
|
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{
|
299 |
|
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struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
300 |
|
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return cs4231_chip->perchip_info.play.encoding;
|
301 |
|
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}
|
302 |
|
|
|
303 |
|
|
static int cs4231_set_input_encoding(struct sparcaudio_driver *drv, int value)
|
304 |
|
|
{
|
305 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
306 |
|
|
int tmp_bits, set_bits;
|
307 |
|
|
|
308 |
|
|
tprintk(("input encoding %d\n", value));
|
309 |
|
|
if (value != 0) {
|
310 |
|
|
set_bits = cs4231_encoding_to_bits(drv, value);
|
311 |
|
|
if (set_bits >= 0) {
|
312 |
|
|
READ_IDR();
|
313 |
|
|
READ_IDR();
|
314 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x1c);
|
315 |
|
|
tmp_bits = READ_IDR();
|
316 |
|
|
WRITE_IDR(CHANGE_ENCODING(tmp_bits, set_bits));
|
317 |
|
|
READ_IDR();
|
318 |
|
|
READ_IDR();
|
319 |
|
|
CHIP_READY();
|
320 |
|
|
|
321 |
|
|
cs4231_chip->perchip_info.record.encoding = value;
|
322 |
|
|
return 0;
|
323 |
|
|
}
|
324 |
|
|
}
|
325 |
|
|
dprintk(("input enc failed\n"));
|
326 |
|
|
return -EINVAL;
|
327 |
|
|
}
|
328 |
|
|
|
329 |
|
|
static int cs4231_get_input_encoding(struct sparcaudio_driver *drv)
|
330 |
|
|
{
|
331 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
332 |
|
|
return cs4231_chip->perchip_info.record.encoding;
|
333 |
|
|
}
|
334 |
|
|
|
335 |
|
|
static int cs4231_set_output_rate(struct sparcaudio_driver *drv, int value)
|
336 |
|
|
{
|
337 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
338 |
|
|
int tmp_bits, set_bits;
|
339 |
|
|
|
340 |
|
|
tprintk(("output rate %d\n", value));
|
341 |
|
|
if (value != 0) {
|
342 |
|
|
set_bits = cs4231_rate_to_bits(drv, &value);
|
343 |
|
|
if (set_bits >= 0) {
|
344 |
|
|
READ_IDR();
|
345 |
|
|
READ_IDR();
|
346 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x8);
|
347 |
|
|
tmp_bits = READ_IDR();
|
348 |
|
|
WRITE_IDR(CHANGE_DFR(tmp_bits, set_bits));
|
349 |
|
|
READ_IDR();
|
350 |
|
|
READ_IDR();
|
351 |
|
|
CHIP_READY();
|
352 |
|
|
|
353 |
|
|
cs4231_chip->perchip_info.play.sample_rate = value;
|
354 |
|
|
tprintk(("tmp_bits[%02x] set_bits[%02x] CHANGE_DFR[%02x]\n",
|
355 |
|
|
tmp_bits, set_bits, CHANGE_DFR(tmp_bits, set_bits)));
|
356 |
|
|
return 0;
|
357 |
|
|
}
|
358 |
|
|
}
|
359 |
|
|
dprintk(("output rate failed\n"));
|
360 |
|
|
return -EINVAL;
|
361 |
|
|
}
|
362 |
|
|
|
363 |
|
|
static int cs4231_get_output_rate(struct sparcaudio_driver *drv)
|
364 |
|
|
{
|
365 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
366 |
|
|
return cs4231_chip->perchip_info.play.sample_rate;
|
367 |
|
|
}
|
368 |
|
|
|
369 |
|
|
static int cs4231_set_input_rate(struct sparcaudio_driver *drv, int value)
|
370 |
|
|
{
|
371 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
372 |
|
|
int tmp_bits, set_bits;
|
373 |
|
|
|
374 |
|
|
tprintk(("input rate %d\n", value));
|
375 |
|
|
if (value != 0) {
|
376 |
|
|
set_bits = cs4231_rate_to_bits(drv, &value);
|
377 |
|
|
if (set_bits >= 0) {
|
378 |
|
|
READ_IDR();
|
379 |
|
|
READ_IDR();
|
380 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x1c);
|
381 |
|
|
tmp_bits = READ_IDR();
|
382 |
|
|
WRITE_IDR(CHANGE_DFR(tmp_bits, set_bits));
|
383 |
|
|
READ_IDR();
|
384 |
|
|
READ_IDR();
|
385 |
|
|
CHIP_READY();
|
386 |
|
|
|
387 |
|
|
cs4231_chip->perchip_info.record.sample_rate = value;
|
388 |
|
|
return 0;
|
389 |
|
|
}
|
390 |
|
|
}
|
391 |
|
|
dprintk(("input rate failed\n"));
|
392 |
|
|
return -EINVAL;
|
393 |
|
|
}
|
394 |
|
|
|
395 |
|
|
static int cs4231_get_input_rate(struct sparcaudio_driver *drv)
|
396 |
|
|
{
|
397 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
398 |
|
|
return cs4231_chip->perchip_info.record.sample_rate;
|
399 |
|
|
}
|
400 |
|
|
|
401 |
|
|
/* Generically we support 4 channels. This hardware does 2 */
|
402 |
|
|
static int cs4231_set_input_channels(struct sparcaudio_driver *drv, int value)
|
403 |
|
|
{
|
404 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
405 |
|
|
int tmp_bits;
|
406 |
|
|
|
407 |
|
|
tprintk(("input channels %d\n", value));
|
408 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x1c);
|
409 |
|
|
tmp_bits = READ_IDR();
|
410 |
|
|
switch (value) {
|
411 |
|
|
case 1:
|
412 |
|
|
WRITE_IDR(CS4231_MONO_ON(tmp_bits));
|
413 |
|
|
break;
|
414 |
|
|
case 2:
|
415 |
|
|
WRITE_IDR(CS4231_STEREO_ON(tmp_bits));
|
416 |
|
|
break;
|
417 |
|
|
default:
|
418 |
|
|
dprintk(("input chan failed\n"));
|
419 |
|
|
return -EINVAL;
|
420 |
|
|
};
|
421 |
|
|
CHIP_READY();
|
422 |
|
|
|
423 |
|
|
cs4231_chip->perchip_info.record.channels = value;
|
424 |
|
|
return 0;
|
425 |
|
|
}
|
426 |
|
|
|
427 |
|
|
static int cs4231_get_input_channels(struct sparcaudio_driver *drv)
|
428 |
|
|
{
|
429 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
430 |
|
|
return cs4231_chip->perchip_info.record.channels;
|
431 |
|
|
}
|
432 |
|
|
|
433 |
|
|
/* Generically we support 4 channels. This hardware does 2 */
|
434 |
|
|
static int cs4231_set_output_channels(struct sparcaudio_driver *drv, int value)
|
435 |
|
|
{
|
436 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
437 |
|
|
int tmp_bits;
|
438 |
|
|
|
439 |
|
|
tprintk(("output channels %d\n", value));
|
440 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x8);
|
441 |
|
|
tmp_bits = READ_IDR();
|
442 |
|
|
switch (value) {
|
443 |
|
|
case 1:
|
444 |
|
|
WRITE_IDR(CS4231_MONO_ON(tmp_bits));
|
445 |
|
|
break;
|
446 |
|
|
case 2:
|
447 |
|
|
WRITE_IDR(CS4231_STEREO_ON(tmp_bits));
|
448 |
|
|
break;
|
449 |
|
|
default:
|
450 |
|
|
dprintk(("output chan failed\n"));
|
451 |
|
|
return -EINVAL;
|
452 |
|
|
};
|
453 |
|
|
CHIP_READY();
|
454 |
|
|
|
455 |
|
|
cs4231_chip->perchip_info.play.channels = value;
|
456 |
|
|
return 0;
|
457 |
|
|
}
|
458 |
|
|
|
459 |
|
|
static int cs4231_get_output_channels(struct sparcaudio_driver *drv)
|
460 |
|
|
{
|
461 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
462 |
|
|
return cs4231_chip->perchip_info.play.channels;
|
463 |
|
|
}
|
464 |
|
|
|
465 |
|
|
static int cs4231_get_input_precision(struct sparcaudio_driver *drv)
|
466 |
|
|
{
|
467 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
468 |
|
|
return cs4231_chip->perchip_info.record.precision;
|
469 |
|
|
}
|
470 |
|
|
|
471 |
|
|
static int cs4231_get_output_precision(struct sparcaudio_driver *drv)
|
472 |
|
|
{
|
473 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
474 |
|
|
return cs4231_chip->perchip_info.play.precision;
|
475 |
|
|
}
|
476 |
|
|
|
477 |
|
|
static int cs4231_set_input_precision(struct sparcaudio_driver *drv, int val)
|
478 |
|
|
{
|
479 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
480 |
|
|
|
481 |
|
|
cs4231_chip->perchip_info.record.precision = val;
|
482 |
|
|
|
483 |
|
|
return cs4231_chip->perchip_info.record.precision;
|
484 |
|
|
}
|
485 |
|
|
|
486 |
|
|
static int cs4231_set_output_precision(struct sparcaudio_driver *drv, int val)
|
487 |
|
|
{
|
488 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
489 |
|
|
|
490 |
|
|
cs4231_chip->perchip_info.play.precision = val;
|
491 |
|
|
|
492 |
|
|
return cs4231_chip->perchip_info.play.precision;
|
493 |
|
|
}
|
494 |
|
|
|
495 |
|
|
/* Wait until the auto calibration process has finished */
|
496 |
|
|
static void cs4231_ready(struct sparcaudio_driver *drv)
|
497 |
|
|
{
|
498 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
499 |
|
|
unsigned int x;
|
500 |
|
|
|
501 |
|
|
WRITE_IAR(IAR_AUTOCAL_END);
|
502 |
|
|
x = 0;
|
503 |
|
|
do {
|
504 |
|
|
if (READ_IDR() != IAR_NOT_READY)
|
505 |
|
|
break;
|
506 |
|
|
x++;
|
507 |
|
|
} while (x <= CS_TIMEOUT);
|
508 |
|
|
|
509 |
|
|
WRITE_IAR(0x0b);
|
510 |
|
|
x = 0;
|
511 |
|
|
do {
|
512 |
|
|
if (READ_IDR() != AUTOCAL_IN_PROGRESS)
|
513 |
|
|
break;
|
514 |
|
|
x++;
|
515 |
|
|
} while (x <= CS_TIMEOUT);
|
516 |
|
|
}
|
517 |
|
|
|
518 |
|
|
/* Set output mute */
|
519 |
|
|
static int cs4231_output_muted(struct sparcaudio_driver *drv, int value)
|
520 |
|
|
{
|
521 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
522 |
|
|
tprintk(("in cs4231_output_muted: %d\n", value));
|
523 |
|
|
if (!value) {
|
524 |
|
|
WRITE_IAR(0x7);
|
525 |
|
|
WRITE_IDR(READ_IDR() & OUTCR_UNMUTE);
|
526 |
|
|
WRITE_IAR(0x6);
|
527 |
|
|
WRITE_IDR(READ_IDR() & OUTCR_UNMUTE);
|
528 |
|
|
cs4231_chip->perchip_info.output_muted = 0;
|
529 |
|
|
} else {
|
530 |
|
|
WRITE_IAR(0x7);
|
531 |
|
|
WRITE_IDR(READ_IDR() | OUTCR_MUTE);
|
532 |
|
|
WRITE_IAR(0x6);
|
533 |
|
|
WRITE_IDR(READ_IDR() | OUTCR_MUTE);
|
534 |
|
|
cs4231_chip->perchip_info.output_muted = 1;
|
535 |
|
|
}
|
536 |
|
|
return 0;
|
537 |
|
|
}
|
538 |
|
|
|
539 |
|
|
static int cs4231_get_output_muted(struct sparcaudio_driver *drv)
|
540 |
|
|
{
|
541 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
542 |
|
|
return cs4231_chip->perchip_info.output_muted;
|
543 |
|
|
}
|
544 |
|
|
|
545 |
|
|
static int cs4231_get_formats(struct sparcaudio_driver *drv)
|
546 |
|
|
{
|
547 |
|
|
return (AFMT_MU_LAW | AFMT_A_LAW |
|
548 |
|
|
AFMT_U8 | AFMT_IMA_ADPCM |
|
549 |
|
|
AFMT_S16_LE | AFMT_S16_BE);
|
550 |
|
|
}
|
551 |
|
|
|
552 |
|
|
static int cs4231_get_output_ports(struct sparcaudio_driver *drv)
|
553 |
|
|
{
|
554 |
|
|
return (AUDIO_LINE_OUT | AUDIO_SPEAKER | AUDIO_HEADPHONE);
|
555 |
|
|
}
|
556 |
|
|
|
557 |
|
|
static int cs4231_get_input_ports(struct sparcaudio_driver *drv)
|
558 |
|
|
{
|
559 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
560 |
|
|
|
561 |
|
|
/* This apparently applies only to APC ultras, not ebus ultras */
|
562 |
|
|
if (cs4231_chip->status & CS_STATUS_IS_ULTRA)
|
563 |
|
|
return (AUDIO_LINE_IN | AUDIO_MICROPHONE | AUDIO_ANALOG_LOOPBACK);
|
564 |
|
|
else
|
565 |
|
|
return (AUDIO_INTERNAL_CD_IN | AUDIO_LINE_IN |
|
566 |
|
|
AUDIO_MICROPHONE | AUDIO_ANALOG_LOOPBACK);
|
567 |
|
|
}
|
568 |
|
|
|
569 |
|
|
/* Set chip "output" port */
|
570 |
|
|
static int cs4231_set_output_port(struct sparcaudio_driver *drv, int value)
|
571 |
|
|
{
|
572 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
573 |
|
|
int retval = 0;
|
574 |
|
|
|
575 |
|
|
tprintk(("output port: %d\n", value));
|
576 |
|
|
/* Aaaaaah! It's all coming so fast! Turn it all off, then selectively
|
577 |
|
|
* enable things.
|
578 |
|
|
*/
|
579 |
|
|
WRITE_IAR(0x1a);
|
580 |
|
|
WRITE_IDR(READ_IDR() | MONO_IOCR_MUTE);
|
581 |
|
|
WRITE_IAR(0x0a);
|
582 |
|
|
WRITE_IDR(READ_IDR() | PINCR_LINE_MUTE);
|
583 |
|
|
WRITE_IDR(READ_IDR() | PINCR_HDPH_MUTE);
|
584 |
|
|
|
585 |
|
|
if (value & AUDIO_SPEAKER) {
|
586 |
|
|
WRITE_IAR(0x1a);
|
587 |
|
|
WRITE_IDR(READ_IDR() & ~MONO_IOCR_MUTE);
|
588 |
|
|
retval |= AUDIO_SPEAKER;
|
589 |
|
|
}
|
590 |
|
|
|
591 |
|
|
if (value & AUDIO_HEADPHONE) {
|
592 |
|
|
WRITE_IAR(0x0a);
|
593 |
|
|
WRITE_IDR(READ_IDR() & ~PINCR_HDPH_MUTE);
|
594 |
|
|
retval |= AUDIO_HEADPHONE;
|
595 |
|
|
}
|
596 |
|
|
|
597 |
|
|
if (value & AUDIO_LINE_OUT) {
|
598 |
|
|
WRITE_IAR(0x0a);
|
599 |
|
|
WRITE_IDR(READ_IDR() & ~PINCR_LINE_MUTE);
|
600 |
|
|
retval |= AUDIO_LINE_OUT;
|
601 |
|
|
}
|
602 |
|
|
|
603 |
|
|
cs4231_chip->perchip_info.play.port = retval;
|
604 |
|
|
|
605 |
|
|
return (retval);
|
606 |
|
|
}
|
607 |
|
|
|
608 |
|
|
static int cs4231_get_output_port(struct sparcaudio_driver *drv)
|
609 |
|
|
{
|
610 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
611 |
|
|
return cs4231_chip->perchip_info.play.port;
|
612 |
|
|
}
|
613 |
|
|
|
614 |
|
|
/* Set chip "input" port */
|
615 |
|
|
static int cs4231_set_input_port(struct sparcaudio_driver *drv, int value)
|
616 |
|
|
{
|
617 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
618 |
|
|
int retval = 0;
|
619 |
|
|
|
620 |
|
|
tprintk(("input port: %d\n", value));
|
621 |
|
|
|
622 |
|
|
/* You can have one and only one. This is probably wrong, but
|
623 |
|
|
* appears to be how SunOS is doing it. Should be able to mix.
|
624 |
|
|
* More work to be done. CD input mixable, analog loopback may be.
|
625 |
|
|
*/
|
626 |
|
|
|
627 |
|
|
/* Ultra systems do not support AUDIO_INTERNAL_CD_IN */
|
628 |
|
|
/* This apparently applies only to APC ultras, not ebus ultras */
|
629 |
|
|
if (!(cs4231_chip->status & CS_STATUS_IS_ULTRA)) {
|
630 |
|
|
if (value & AUDIO_INTERNAL_CD_IN) {
|
631 |
|
|
WRITE_IAR(0x1);
|
632 |
|
|
WRITE_IDR(CDROM_ENABLE(READ_IDR()));
|
633 |
|
|
WRITE_IAR(0x0);
|
634 |
|
|
WRITE_IDR(CDROM_ENABLE(READ_IDR()));
|
635 |
|
|
retval = AUDIO_INTERNAL_CD_IN;
|
636 |
|
|
}
|
637 |
|
|
}
|
638 |
|
|
if ((value & AUDIO_LINE_IN)) {
|
639 |
|
|
WRITE_IAR(0x1);
|
640 |
|
|
WRITE_IDR(LINE_ENABLE(READ_IDR()));
|
641 |
|
|
WRITE_IAR(0x0);
|
642 |
|
|
WRITE_IDR(LINE_ENABLE(READ_IDR()));
|
643 |
|
|
retval = AUDIO_LINE_IN;
|
644 |
|
|
} else if (value & AUDIO_MICROPHONE) {
|
645 |
|
|
WRITE_IAR(0x1);
|
646 |
|
|
WRITE_IDR(MIC_ENABLE(READ_IDR()));
|
647 |
|
|
WRITE_IAR(0x0);
|
648 |
|
|
WRITE_IDR(MIC_ENABLE(READ_IDR()));
|
649 |
|
|
retval = AUDIO_MICROPHONE;
|
650 |
|
|
} else if (value & AUDIO_ANALOG_LOOPBACK) {
|
651 |
|
|
WRITE_IAR(0x1);
|
652 |
|
|
WRITE_IDR(OUTPUTLOOP_ENABLE(READ_IDR()));
|
653 |
|
|
WRITE_IAR(0x0);
|
654 |
|
|
WRITE_IDR(OUTPUTLOOP_ENABLE(READ_IDR()));
|
655 |
|
|
retval = AUDIO_ANALOG_LOOPBACK;
|
656 |
|
|
}
|
657 |
|
|
|
658 |
|
|
cs4231_chip->perchip_info.record.port = retval;
|
659 |
|
|
|
660 |
|
|
return retval;
|
661 |
|
|
}
|
662 |
|
|
|
663 |
|
|
static int cs4231_get_input_port(struct sparcaudio_driver *drv)
|
664 |
|
|
{
|
665 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
666 |
|
|
return cs4231_chip->perchip_info.record.port;
|
667 |
|
|
}
|
668 |
|
|
|
669 |
|
|
/* Set chip "monitor" gain */
|
670 |
|
|
static int cs4231_set_monitor_volume(struct sparcaudio_driver *drv, int value)
|
671 |
|
|
{
|
672 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
673 |
|
|
int a = 0;
|
674 |
|
|
|
675 |
|
|
tprintk(("monitor gain: %d\n", value));
|
676 |
|
|
|
677 |
|
|
/* This interpolation really sucks. The question is, be compatible
|
678 |
|
|
* with ScumOS/Sloaris or not?
|
679 |
|
|
*/
|
680 |
|
|
a = CS4231_MON_MAX_ATEN - (value * (CS4231_MON_MAX_ATEN + 1) /
|
681 |
|
|
(AUDIO_MAX_GAIN + 1));
|
682 |
|
|
|
683 |
|
|
WRITE_IAR(0x0d);
|
684 |
|
|
if (a >= CS4231_MON_MAX_ATEN)
|
685 |
|
|
WRITE_IDR(LOOPB_OFF);
|
686 |
|
|
else
|
687 |
|
|
WRITE_IDR((a << 2) | LOOPB_ON);
|
688 |
|
|
|
689 |
|
|
if (value == AUDIO_MAX_GAIN)
|
690 |
|
|
cs4231_chip->perchip_info.monitor_gain = AUDIO_MAX_GAIN;
|
691 |
|
|
else
|
692 |
|
|
cs4231_chip->perchip_info.monitor_gain =
|
693 |
|
|
((CS4231_MAX_DEV_ATEN - a) *
|
694 |
|
|
(AUDIO_MAX_GAIN + 1) /
|
695 |
|
|
(CS4231_MAX_DEV_ATEN + 1));
|
696 |
|
|
|
697 |
|
|
return 0;
|
698 |
|
|
}
|
699 |
|
|
|
700 |
|
|
static int cs4231_get_monitor_volume(struct sparcaudio_driver *drv)
|
701 |
|
|
{
|
702 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
703 |
|
|
|
704 |
|
|
return (int) cs4231_chip->perchip_info.monitor_gain;
|
705 |
|
|
}
|
706 |
|
|
|
707 |
|
|
static int cs4231_get_output_error(struct sparcaudio_driver *drv)
|
708 |
|
|
{
|
709 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
710 |
|
|
|
711 |
|
|
return (int) cs4231_chip->perchip_info.play.error;
|
712 |
|
|
}
|
713 |
|
|
|
714 |
|
|
static int cs4231_get_input_error(struct sparcaudio_driver *drv)
|
715 |
|
|
{
|
716 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
717 |
|
|
|
718 |
|
|
return (int) cs4231_chip->perchip_info.record.error;
|
719 |
|
|
}
|
720 |
|
|
|
721 |
|
|
#ifdef EB4231_SUPPORT
|
722 |
|
|
static int eb4231_get_output_samples(struct sparcaudio_driver *drv)
|
723 |
|
|
{
|
724 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
725 |
|
|
u32 dbcr = readl(cs4231_chip->eb2p + EBDMA_COUNT);
|
726 |
|
|
int count =
|
727 |
|
|
cs4231_length_to_samplecount(&cs4231_chip->perchip_info.play, dbcr);
|
728 |
|
|
|
729 |
|
|
return (cs4231_chip->perchip_info.play.samples -
|
730 |
|
|
((count > cs4231_chip->perchip_info.play.samples)
|
731 |
|
|
? 0 : count));
|
732 |
|
|
}
|
733 |
|
|
|
734 |
|
|
static int eb4231_get_input_samples(struct sparcaudio_driver *drv)
|
735 |
|
|
{
|
736 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
737 |
|
|
u32 dbcr = readl(cs4231_chip->eb2c + EBDMA_COUNT);
|
738 |
|
|
int count =
|
739 |
|
|
cs4231_length_to_samplecount(&cs4231_chip->perchip_info.record, dbcr);
|
740 |
|
|
|
741 |
|
|
return (cs4231_chip->perchip_info.record.samples -
|
742 |
|
|
((count > cs4231_chip->perchip_info.record.samples) ?
|
743 |
|
|
|
744 |
|
|
}
|
745 |
|
|
#endif
|
746 |
|
|
|
747 |
|
|
static int cs4231_get_output_samples(struct sparcaudio_driver *drv)
|
748 |
|
|
{
|
749 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
750 |
|
|
u32 dmapc = sbus_readl(cs4231_chip->regs + APCPC);
|
751 |
|
|
int count =
|
752 |
|
|
cs4231_length_to_samplecount(&cs4231_chip->perchip_info.play, dmapc);
|
753 |
|
|
|
754 |
|
|
return (cs4231_chip->perchip_info.play.samples -
|
755 |
|
|
((count > cs4231_chip->perchip_info.play.samples)
|
756 |
|
|
? 0 : count));
|
757 |
|
|
}
|
758 |
|
|
|
759 |
|
|
static int cs4231_get_input_samples(struct sparcaudio_driver *drv)
|
760 |
|
|
{
|
761 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
762 |
|
|
u32 dmacc = sbus_readl(cs4231_chip->regs + APCCC);
|
763 |
|
|
int count =
|
764 |
|
|
cs4231_length_to_samplecount(&cs4231_chip->perchip_info.record, dmacc);
|
765 |
|
|
|
766 |
|
|
return (cs4231_chip->perchip_info.record.samples -
|
767 |
|
|
((count > cs4231_chip->perchip_info.record.samples) ?
|
768 |
|
|
|
769 |
|
|
}
|
770 |
|
|
|
771 |
|
|
static int cs4231_get_output_pause(struct sparcaudio_driver *drv)
|
772 |
|
|
{
|
773 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
774 |
|
|
|
775 |
|
|
return (int) cs4231_chip->perchip_info.play.pause;
|
776 |
|
|
}
|
777 |
|
|
|
778 |
|
|
static int cs4231_get_input_pause(struct sparcaudio_driver *drv)
|
779 |
|
|
{
|
780 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
781 |
|
|
|
782 |
|
|
return (int) cs4231_chip->perchip_info.record.pause;
|
783 |
|
|
}
|
784 |
|
|
|
785 |
|
|
/* But for play/record we have these cheesy jacket routines because of
|
786 |
|
|
* how this crap gets set.
|
787 |
|
|
*/
|
788 |
|
|
static int cs4231_set_input_volume(struct sparcaudio_driver *drv, int value)
|
789 |
|
|
{
|
790 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
791 |
|
|
|
792 |
|
|
cs4231_record_gain(drv, value,
|
793 |
|
|
cs4231_chip->perchip_info.record.balance);
|
794 |
|
|
|
795 |
|
|
return 0;
|
796 |
|
|
}
|
797 |
|
|
|
798 |
|
|
static int cs4231_get_input_volume(struct sparcaudio_driver *drv)
|
799 |
|
|
{
|
800 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
801 |
|
|
|
802 |
|
|
return (int) cs4231_chip->perchip_info.record.gain;
|
803 |
|
|
}
|
804 |
|
|
|
805 |
|
|
static int cs4231_set_output_volume(struct sparcaudio_driver *drv, int value)
|
806 |
|
|
{
|
807 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
808 |
|
|
|
809 |
|
|
cs4231_play_gain(drv, value, cs4231_chip->perchip_info.play.balance);
|
810 |
|
|
|
811 |
|
|
return 0;
|
812 |
|
|
}
|
813 |
|
|
|
814 |
|
|
static int cs4231_get_output_volume(struct sparcaudio_driver *drv)
|
815 |
|
|
{
|
816 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
817 |
|
|
|
818 |
|
|
return cs4231_chip->perchip_info.play.gain;
|
819 |
|
|
}
|
820 |
|
|
|
821 |
|
|
/* Likewise for balance */
|
822 |
|
|
static int cs4231_set_input_balance(struct sparcaudio_driver *drv, int value)
|
823 |
|
|
{
|
824 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
825 |
|
|
|
826 |
|
|
cs4231_chip->perchip_info.record.balance = value;
|
827 |
|
|
cs4231_record_gain(drv, cs4231_chip->perchip_info.record.gain,
|
828 |
|
|
cs4231_chip->perchip_info.record.balance);
|
829 |
|
|
|
830 |
|
|
return 0;
|
831 |
|
|
}
|
832 |
|
|
|
833 |
|
|
static int cs4231_get_input_balance(struct sparcaudio_driver *drv)
|
834 |
|
|
{
|
835 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
836 |
|
|
|
837 |
|
|
return (int) cs4231_chip->perchip_info.record.balance;
|
838 |
|
|
}
|
839 |
|
|
|
840 |
|
|
static int cs4231_set_output_balance(struct sparcaudio_driver *drv, int value)
|
841 |
|
|
{
|
842 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
843 |
|
|
|
844 |
|
|
cs4231_chip->perchip_info.play.balance = value;
|
845 |
|
|
cs4231_play_gain(drv, cs4231_chip->perchip_info.play.gain,
|
846 |
|
|
cs4231_chip->perchip_info.play.balance);
|
847 |
|
|
|
848 |
|
|
return 0;
|
849 |
|
|
}
|
850 |
|
|
|
851 |
|
|
static int cs4231_get_output_balance(struct sparcaudio_driver *drv)
|
852 |
|
|
{
|
853 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
854 |
|
|
|
855 |
|
|
return (int) cs4231_chip->perchip_info.play.balance;
|
856 |
|
|
}
|
857 |
|
|
|
858 |
|
|
/* Set chip record gain */
|
859 |
|
|
static int cs4231_record_gain(struct sparcaudio_driver *drv, int value,
|
860 |
|
|
unsigned char balance)
|
861 |
|
|
{
|
862 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
863 |
|
|
int tmp = 0, r, l, r_adj, l_adj;
|
864 |
|
|
unsigned char old_gain;
|
865 |
|
|
|
866 |
|
|
r = l = value;
|
867 |
|
|
|
868 |
|
|
if (balance < AUDIO_MID_BALANCE) {
|
869 |
|
|
r = (int) (value -
|
870 |
|
|
((AUDIO_MID_BALANCE - balance) << AUDIO_BALANCE_SHIFT));
|
871 |
|
|
|
872 |
|
|
if (r < 0)
|
873 |
|
|
r = 0;
|
874 |
|
|
} else if (balance > AUDIO_MID_BALANCE) {
|
875 |
|
|
l = (int) (value -
|
876 |
|
|
((balance - AUDIO_MID_BALANCE) << AUDIO_BALANCE_SHIFT));
|
877 |
|
|
|
878 |
|
|
if (l < 0)
|
879 |
|
|
l = 0;
|
880 |
|
|
}
|
881 |
|
|
|
882 |
|
|
l_adj = l * (CS4231_MAX_GAIN + 1) / (AUDIO_MAX_GAIN + 1);
|
883 |
|
|
r_adj = r * (CS4231_MAX_GAIN + 1) / (AUDIO_MAX_GAIN + 1);
|
884 |
|
|
|
885 |
|
|
WRITE_IAR(0x0);
|
886 |
|
|
old_gain = READ_IDR();
|
887 |
|
|
WRITE_IDR(RECGAIN_SET(old_gain, l_adj));
|
888 |
|
|
WRITE_IAR(0x1);
|
889 |
|
|
old_gain = READ_IDR();
|
890 |
|
|
WRITE_IDR(RECGAIN_SET(old_gain, r_adj));
|
891 |
|
|
|
892 |
|
|
if (l == value) {
|
893 |
|
|
(l == 0) ? (tmp = 0) : (tmp = ((l_adj + 1) * AUDIO_MAX_GAIN) /
|
894 |
|
|
(CS4231_MAX_GAIN + 1));
|
895 |
|
|
} else if (r == value) {
|
896 |
|
|
(r == 0) ? (tmp = 0) : (tmp = ((r_adj + 1) * AUDIO_MAX_GAIN) /
|
897 |
|
|
(CS4231_MAX_GAIN + 1));
|
898 |
|
|
}
|
899 |
|
|
cs4231_chip->perchip_info.record.gain = tmp;
|
900 |
|
|
return 0;
|
901 |
|
|
}
|
902 |
|
|
|
903 |
|
|
/* Set chip play gain */
|
904 |
|
|
static int cs4231_play_gain(struct sparcaudio_driver *drv, int value,
|
905 |
|
|
unsigned char balance)
|
906 |
|
|
{
|
907 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
908 |
|
|
int tmp = 0, r, l, r_adj, l_adj;
|
909 |
|
|
unsigned char old_gain;
|
910 |
|
|
|
911 |
|
|
tprintk(("in play_gain: %d %c\n", value, balance));
|
912 |
|
|
r = l = value;
|
913 |
|
|
if (balance < AUDIO_MID_BALANCE) {
|
914 |
|
|
r = (int) (value -
|
915 |
|
|
((AUDIO_MID_BALANCE - balance) << AUDIO_BALANCE_SHIFT));
|
916 |
|
|
|
917 |
|
|
if (r < 0)
|
918 |
|
|
r = 0;
|
919 |
|
|
} else if (balance > AUDIO_MID_BALANCE) {
|
920 |
|
|
l = (int) (value -
|
921 |
|
|
((balance - AUDIO_MID_BALANCE) << AUDIO_BALANCE_SHIFT));
|
922 |
|
|
|
923 |
|
|
if (l < 0)
|
924 |
|
|
l = 0;
|
925 |
|
|
}
|
926 |
|
|
|
927 |
|
|
(l == 0) ? (l_adj = CS4231_MAX_DEV_ATEN) : (l_adj = CS4231_MAX_ATEN -
|
928 |
|
|
(l * (CS4231_MAX_ATEN + 1) /
|
929 |
|
|
(AUDIO_MAX_GAIN + 1)));
|
930 |
|
|
(r == 0) ? (r_adj = CS4231_MAX_DEV_ATEN) : (r_adj = CS4231_MAX_ATEN -
|
931 |
|
|
(r * (CS4231_MAX_ATEN + 1) /
|
932 |
|
|
(AUDIO_MAX_GAIN + 1)));
|
933 |
|
|
|
934 |
|
|
WRITE_IAR(0x6);
|
935 |
|
|
old_gain = READ_IDR();
|
936 |
|
|
WRITE_IDR(GAIN_SET(old_gain, l_adj));
|
937 |
|
|
WRITE_IAR(0x7);
|
938 |
|
|
old_gain = READ_IDR();
|
939 |
|
|
WRITE_IDR(GAIN_SET(old_gain, r_adj));
|
940 |
|
|
|
941 |
|
|
if ((value == 0) || (value == AUDIO_MAX_GAIN)) {
|
942 |
|
|
tmp = value;
|
943 |
|
|
} else {
|
944 |
|
|
if (value == l) {
|
945 |
|
|
tmp = ((CS4231_MAX_ATEN - l_adj) * (AUDIO_MAX_GAIN + 1) /
|
946 |
|
|
(CS4231_MAX_ATEN + 1));
|
947 |
|
|
} else if (value == r) {
|
948 |
|
|
tmp = ((CS4231_MAX_ATEN - r_adj) * (AUDIO_MAX_GAIN + 1) /
|
949 |
|
|
(CS4231_MAX_ATEN + 1));
|
950 |
|
|
}
|
951 |
|
|
}
|
952 |
|
|
cs4231_chip->perchip_info.play.gain = tmp;
|
953 |
|
|
|
954 |
|
|
return 0;
|
955 |
|
|
}
|
956 |
|
|
|
957 |
|
|
/* Reset the audio chip to a sane state. */
|
958 |
|
|
static void cs4231_chip_reset(struct sparcaudio_driver *drv)
|
959 |
|
|
{
|
960 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
961 |
|
|
unsigned char vers;
|
962 |
|
|
|
963 |
|
|
tprintk(("in cs4231_chip_reset\n"));
|
964 |
|
|
|
965 |
|
|
if (cs4231_chip->status & CS_STATUS_IS_EBUS) {
|
966 |
|
|
#ifdef EB4231_SUPPORT
|
967 |
|
|
writel(EBUS_DCSR_RESET, cs4231_chip->eb2p + EBDMA_CSR);
|
968 |
|
|
writel(EBUS_DCSR_RESET, cs4231_chip->eb2c + EBDMA_CSR);
|
969 |
|
|
writel(EBUS_DCSR_BURST_SZ_16, cs4231_chip->eb2p + EBDMA_CSR);
|
970 |
|
|
writel(EBUS_DCSR_BURST_SZ_16, cs4231_chip->eb2c + EBDMA_CSR);
|
971 |
|
|
#endif
|
972 |
|
|
} else {
|
973 |
|
|
u32 tmp;
|
974 |
|
|
|
975 |
|
|
sbus_writel(APC_CHIP_RESET, cs4231_chip->regs + APCCSR);
|
976 |
|
|
sbus_writel(0x00, cs4231_chip->regs + APCCSR);
|
977 |
|
|
tmp = sbus_readl(cs4231_chip->regs + APCCSR);
|
978 |
|
|
tmp |= APC_CDC_RESET;
|
979 |
|
|
sbus_writel(tmp, cs4231_chip->regs + APCCSR);
|
980 |
|
|
|
981 |
|
|
udelay(20);
|
982 |
|
|
|
983 |
|
|
tmp = sbus_readl(cs4231_chip->regs + APCCSR);
|
984 |
|
|
tmp &= ~(APC_CDC_RESET);
|
985 |
|
|
sbus_writel(tmp, cs4231_chip->regs + APCCSR);
|
986 |
|
|
}
|
987 |
|
|
|
988 |
|
|
WRITE_IAR(READ_IAR() | IAR_AUTOCAL_BEGIN);
|
989 |
|
|
CHIP_READY();
|
990 |
|
|
|
991 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x0c);
|
992 |
|
|
WRITE_IDR(MISC_IR_MODE2);
|
993 |
|
|
|
994 |
|
|
/* This is the equivalent of DEFAULT_DATA_FMAT */
|
995 |
|
|
cs4231_set_input_encoding(drv, AUDIO_ENCODING_ULAW);
|
996 |
|
|
cs4231_set_input_rate(drv, CS4231_RATE);
|
997 |
|
|
cs4231_set_input_channels(drv, CS4231_CHANNELS);
|
998 |
|
|
cs4231_set_input_precision(drv, CS4231_PRECISION);
|
999 |
|
|
|
1000 |
|
|
cs4231_set_output_encoding(drv, AUDIO_ENCODING_ULAW);
|
1001 |
|
|
cs4231_set_output_rate(drv, CS4231_RATE);
|
1002 |
|
|
cs4231_set_output_channels(drv, CS4231_CHANNELS);
|
1003 |
|
|
cs4231_set_output_precision(drv, CS4231_PRECISION);
|
1004 |
|
|
|
1005 |
|
|
WRITE_IAR(0x19);
|
1006 |
|
|
|
1007 |
|
|
/* see what we can turn on */
|
1008 |
|
|
vers = READ_IDR();
|
1009 |
|
|
if (vers & CS4231A) {
|
1010 |
|
|
tprintk(("This is a CS4231A\n"));
|
1011 |
|
|
cs4231_chip->status |= CS_STATUS_REV_A;
|
1012 |
|
|
} else {
|
1013 |
|
|
cs4231_chip->status &= ~CS_STATUS_REV_A;
|
1014 |
|
|
}
|
1015 |
|
|
|
1016 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x10);
|
1017 |
|
|
WRITE_IDR(OLB_ENABLE);
|
1018 |
|
|
|
1019 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x11);
|
1020 |
|
|
if (cs4231_chip->status & CS_STATUS_REV_A)
|
1021 |
|
|
WRITE_IDR(HPF_ON | XTALE_ON);
|
1022 |
|
|
else
|
1023 |
|
|
WRITE_IDR(HPF_ON);
|
1024 |
|
|
|
1025 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x1a);
|
1026 |
|
|
WRITE_IDR(0x00);
|
1027 |
|
|
|
1028 |
|
|
/* Now set things up for defaults */
|
1029 |
|
|
cs4231_set_input_balance(drv, AUDIO_MID_BALANCE);
|
1030 |
|
|
cs4231_set_output_balance(drv, AUDIO_MID_BALANCE);
|
1031 |
|
|
|
1032 |
|
|
cs4231_set_input_volume(drv, CS4231_DEFAULT_RECGAIN);
|
1033 |
|
|
cs4231_set_output_volume(drv, CS4231_DEFAULT_PLAYGAIN);
|
1034 |
|
|
|
1035 |
|
|
cs4231_set_input_port(drv, AUDIO_MICROPHONE);
|
1036 |
|
|
cs4231_set_output_port(drv, AUDIO_SPEAKER);
|
1037 |
|
|
|
1038 |
|
|
cs4231_set_monitor_volume(drv, LOOPB_OFF);
|
1039 |
|
|
|
1040 |
|
|
WRITE_IAR(IAR_AUTOCAL_END);
|
1041 |
|
|
|
1042 |
|
|
cs4231_ready(drv);
|
1043 |
|
|
|
1044 |
|
|
WRITE_IAR(IAR_AUTOCAL_BEGIN | 0x09);
|
1045 |
|
|
WRITE_IDR(READ_IDR() & ACAL_DISABLE);
|
1046 |
|
|
WRITE_IAR(IAR_AUTOCAL_END);
|
1047 |
|
|
|
1048 |
|
|
cs4231_ready(drv);
|
1049 |
|
|
|
1050 |
|
|
cs4231_output_muted(drv, 0);
|
1051 |
|
|
|
1052 |
|
|
cs4231_chip->recording_count = 0;
|
1053 |
|
|
cs4231_chip->input_next_dma_handle = 0;
|
1054 |
|
|
cs4231_chip->input_dma_handle = 0;
|
1055 |
|
|
cs4231_chip->input_next_dma_size = 0;
|
1056 |
|
|
cs4231_chip->input_dma_size = 0;
|
1057 |
|
|
|
1058 |
|
|
cs4231_chip->playing_count = 0;
|
1059 |
|
|
cs4231_chip->output_next_dma_handle = 0;
|
1060 |
|
|
cs4231_chip->output_dma_handle = 0;
|
1061 |
|
|
cs4231_chip->output_next_dma_size = 0;
|
1062 |
|
|
cs4231_chip->output_dma_size = 0;
|
1063 |
|
|
}
|
1064 |
|
|
|
1065 |
|
|
static int
|
1066 |
|
|
cs4231_length_to_samplecount(struct audio_prinfo *thisdir, unsigned int length)
|
1067 |
|
|
{
|
1068 |
|
|
unsigned int count;
|
1069 |
|
|
|
1070 |
|
|
if (thisdir->channels == 2)
|
1071 |
|
|
count = (length / 2);
|
1072 |
|
|
else
|
1073 |
|
|
count = length;
|
1074 |
|
|
|
1075 |
|
|
if (thisdir->encoding == AUDIO_ENCODING_LINEAR)
|
1076 |
|
|
count = (count / 2);
|
1077 |
|
|
else if (thisdir->encoding == AUDIO_ENCODING_DVI)
|
1078 |
|
|
count = (count / 4);
|
1079 |
|
|
|
1080 |
|
|
return count;
|
1081 |
|
|
}
|
1082 |
|
|
|
1083 |
|
|
#ifdef EB4231_SUPPORT
|
1084 |
|
|
static void eb4231_getsamplecount(struct sparcaudio_driver *drv,
|
1085 |
|
|
unsigned int length,
|
1086 |
|
|
unsigned int direction)
|
1087 |
|
|
{
|
1088 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1089 |
|
|
struct audio_prinfo *thisdir;
|
1090 |
|
|
unsigned int count, curcount, nextcount, dbcr;
|
1091 |
|
|
|
1092 |
|
|
if(direction == 1) {
|
1093 |
|
|
thisdir = &cs4231_chip->perchip_info.record;
|
1094 |
|
|
dbcr = readl(cs4231_chip->eb2c + EBDMA_COUNT);
|
1095 |
|
|
nextcount = cs4231_chip->input_next_dma_size;
|
1096 |
|
|
} else {
|
1097 |
|
|
thisdir = &cs4231_chip->perchip_info.play;
|
1098 |
|
|
dbcr = readl(cs4231_chip->eb2p + EBDMA_COUNT);
|
1099 |
|
|
nextcount = cs4231_chip->output_next_dma_size;
|
1100 |
|
|
}
|
1101 |
|
|
curcount = cs4231_length_to_samplecount(thisdir, dbcr);
|
1102 |
|
|
count = thisdir->samples;
|
1103 |
|
|
length = cs4231_length_to_samplecount(thisdir, length);
|
1104 |
|
|
/* normalize for where we are. */
|
1105 |
|
|
thisdir->samples = ((count - nextcount) + (length - curcount));
|
1106 |
|
|
}
|
1107 |
|
|
#endif
|
1108 |
|
|
|
1109 |
|
|
static void cs4231_getsamplecount(struct sparcaudio_driver *drv,
|
1110 |
|
|
unsigned int length,
|
1111 |
|
|
unsigned int direction)
|
1112 |
|
|
{
|
1113 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1114 |
|
|
struct audio_prinfo *thisdir;
|
1115 |
|
|
unsigned int count, nextcount, curcount;
|
1116 |
|
|
u32 tmp;
|
1117 |
|
|
|
1118 |
|
|
if (direction == 1) {
|
1119 |
|
|
/* record */
|
1120 |
|
|
thisdir = &cs4231_chip->perchip_info.record;
|
1121 |
|
|
tmp = sbus_readl(cs4231_chip->regs + APCCC);
|
1122 |
|
|
curcount = cs4231_length_to_samplecount(thisdir, tmp);
|
1123 |
|
|
tmp = sbus_readl(cs4231_chip->regs + APCCNC);
|
1124 |
|
|
nextcount = cs4231_length_to_samplecount(thisdir, tmp);
|
1125 |
|
|
} else {
|
1126 |
|
|
/* play */
|
1127 |
|
|
thisdir = &cs4231_chip->perchip_info.play;
|
1128 |
|
|
tmp = sbus_readl(cs4231_chip->regs + APCPC);
|
1129 |
|
|
curcount = cs4231_length_to_samplecount(thisdir, tmp);
|
1130 |
|
|
tmp = sbus_readl(cs4231_chip->regs + APCPNC);
|
1131 |
|
|
nextcount = cs4231_length_to_samplecount(thisdir, tmp);
|
1132 |
|
|
}
|
1133 |
|
|
count = thisdir->samples;
|
1134 |
|
|
length = cs4231_length_to_samplecount(thisdir, length);
|
1135 |
|
|
|
1136 |
|
|
/* normalize for where we are. */
|
1137 |
|
|
thisdir->samples = ((count - nextcount) + (length - curcount));
|
1138 |
|
|
}
|
1139 |
|
|
|
1140 |
|
|
static int cs4231_open(struct inode * inode, struct file * file, struct sparcaudio_driver *drv)
|
1141 |
|
|
{
|
1142 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1143 |
|
|
|
1144 |
|
|
/* Set the default audio parameters if not already in use. */
|
1145 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
1146 |
|
|
if (!(drv->flags & SDF_OPEN_WRITE) &&
|
1147 |
|
|
(cs4231_chip->perchip_info.play.active == 0)) {
|
1148 |
|
|
cs4231_chip->perchip_info.play.open = 1;
|
1149 |
|
|
cs4231_chip->perchip_info.play.samples =
|
1150 |
|
|
cs4231_chip->perchip_info.play.error = 0;
|
1151 |
|
|
}
|
1152 |
|
|
}
|
1153 |
|
|
|
1154 |
|
|
if (file->f_mode & FMODE_READ) {
|
1155 |
|
|
if (!(drv->flags & SDF_OPEN_READ) &&
|
1156 |
|
|
(cs4231_chip->perchip_info.record.active == 0)) {
|
1157 |
|
|
cs4231_chip->perchip_info.record.open = 1;
|
1158 |
|
|
cs4231_chip->perchip_info.record.samples =
|
1159 |
|
|
cs4231_chip->perchip_info.record.error = 0;
|
1160 |
|
|
}
|
1161 |
|
|
}
|
1162 |
|
|
|
1163 |
|
|
cs4231_ready(drv);
|
1164 |
|
|
CHIP_READY();
|
1165 |
|
|
|
1166 |
|
|
MOD_INC_USE_COUNT;
|
1167 |
|
|
|
1168 |
|
|
return 0;
|
1169 |
|
|
}
|
1170 |
|
|
|
1171 |
|
|
static void cs4231_release(struct inode * inode, struct file * file, struct sparcaudio_driver *drv)
|
1172 |
|
|
{
|
1173 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *)drv->private;
|
1174 |
|
|
void (*dma_unmap_single)(struct sbus_dev *, dma_addr_t, size_t, int) = sbus_unmap_single;
|
1175 |
|
|
|
1176 |
|
|
#ifdef EB4231_SUPPORT
|
1177 |
|
|
if (cs4231_chip->status & CS_STATUS_IS_EBUS)
|
1178 |
|
|
dma_unmap_single = (void (*)(struct sbus_dev *, dma_addr_t, size_t, int)) pci_unmap_single;
|
1179 |
|
|
#endif
|
1180 |
|
|
/* zero out any info about what data we have as well */
|
1181 |
|
|
if (file->f_mode & FMODE_READ) {
|
1182 |
|
|
/* stop capture here or midlevel? */
|
1183 |
|
|
cs4231_chip->perchip_info.record.open = 0;
|
1184 |
|
|
if (cs4231_chip->input_dma_handle) {
|
1185 |
|
|
dma_unmap_single(drv->dev,
|
1186 |
|
|
cs4231_chip->input_dma_handle,
|
1187 |
|
|
cs4231_chip->input_dma_size,
|
1188 |
|
|
SBUS_DMA_FROMDEVICE);
|
1189 |
|
|
cs4231_chip->input_dma_handle = 0;
|
1190 |
|
|
cs4231_chip->input_dma_size = 0;
|
1191 |
|
|
}
|
1192 |
|
|
if (cs4231_chip->input_next_dma_handle) {
|
1193 |
|
|
dma_unmap_single(drv->dev,
|
1194 |
|
|
cs4231_chip->input_next_dma_handle,
|
1195 |
|
|
cs4231_chip->input_next_dma_size,
|
1196 |
|
|
SBUS_DMA_FROMDEVICE);
|
1197 |
|
|
cs4231_chip->input_next_dma_handle = 0;
|
1198 |
|
|
cs4231_chip->input_next_dma_size = 0;
|
1199 |
|
|
}
|
1200 |
|
|
}
|
1201 |
|
|
|
1202 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
1203 |
|
|
cs4231_chip->perchip_info.play.active =
|
1204 |
|
|
cs4231_chip->perchip_info.play.open = 0;
|
1205 |
|
|
if (cs4231_chip->output_dma_handle) {
|
1206 |
|
|
dma_unmap_single(drv->dev,
|
1207 |
|
|
cs4231_chip->output_dma_handle,
|
1208 |
|
|
cs4231_chip->output_dma_size,
|
1209 |
|
|
SBUS_DMA_TODEVICE);
|
1210 |
|
|
cs4231_chip->output_dma_handle = 0;
|
1211 |
|
|
cs4231_chip->output_dma_size = 0;
|
1212 |
|
|
}
|
1213 |
|
|
if (cs4231_chip->output_next_dma_handle) {
|
1214 |
|
|
dma_unmap_single(drv->dev,
|
1215 |
|
|
cs4231_chip->output_next_dma_handle,
|
1216 |
|
|
cs4231_chip->output_next_dma_size,
|
1217 |
|
|
SBUS_DMA_TODEVICE);
|
1218 |
|
|
cs4231_chip->output_next_dma_handle = 0;
|
1219 |
|
|
cs4231_chip->output_next_dma_size = 0;
|
1220 |
|
|
}
|
1221 |
|
|
}
|
1222 |
|
|
|
1223 |
|
|
if (!cs4231_chip->perchip_info.play.open &&
|
1224 |
|
|
!cs4231_chip->perchip_info.record.open &&
|
1225 |
|
|
(cs4231_chip->status & CS_STATUS_INIT_ON_CLOSE)) {
|
1226 |
|
|
cs4231_chip_reset(drv);
|
1227 |
|
|
cs4231_chip->status &= ~CS_STATUS_INIT_ON_CLOSE;
|
1228 |
|
|
}
|
1229 |
|
|
|
1230 |
|
|
MOD_DEC_USE_COUNT;
|
1231 |
|
|
}
|
1232 |
|
|
|
1233 |
|
|
static void cs4231_playintr(struct sparcaudio_driver *drv, int push)
|
1234 |
|
|
{
|
1235 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1236 |
|
|
int status = 0;
|
1237 |
|
|
|
1238 |
|
|
if (!push) {
|
1239 |
|
|
if (!cs4231_chip->perchip_info.play.active) {
|
1240 |
|
|
sbus_writel(cs4231_chip->output_next_dma_handle,
|
1241 |
|
|
cs4231_chip->regs + APCPNVA);
|
1242 |
|
|
sbus_writel(cs4231_chip->output_next_dma_size,
|
1243 |
|
|
cs4231_chip->regs + APCPNC);
|
1244 |
|
|
}
|
1245 |
|
|
sparcaudio_output_done(drv, 0);
|
1246 |
|
|
return;
|
1247 |
|
|
}
|
1248 |
|
|
|
1249 |
|
|
if (cs4231_chip->playlen == 0 && cs4231_chip->output_size > 0)
|
1250 |
|
|
cs4231_chip->playlen = cs4231_chip->output_size;
|
1251 |
|
|
|
1252 |
|
|
if (cs4231_chip->output_dma_handle) {
|
1253 |
|
|
sbus_unmap_single(drv->dev,
|
1254 |
|
|
cs4231_chip->output_dma_handle,
|
1255 |
|
|
cs4231_chip->output_dma_size,
|
1256 |
|
|
SBUS_DMA_TODEVICE);
|
1257 |
|
|
cs4231_chip->output_dma_handle = 0;
|
1258 |
|
|
cs4231_chip->output_dma_size = 0;
|
1259 |
|
|
cs4231_chip->playing_count--;
|
1260 |
|
|
status++;
|
1261 |
|
|
}
|
1262 |
|
|
|
1263 |
|
|
if (cs4231_chip->output_next_dma_handle) {
|
1264 |
|
|
cs4231_chip->output_dma_handle = cs4231_chip->output_next_dma_handle;
|
1265 |
|
|
cs4231_chip->output_dma_size = cs4231_chip->output_next_dma_size;
|
1266 |
|
|
cs4231_chip->output_next_dma_size = 0;
|
1267 |
|
|
cs4231_chip->output_next_dma_handle = 0;
|
1268 |
|
|
}
|
1269 |
|
|
|
1270 |
|
|
if ((cs4231_chip->output_ptr && cs4231_chip->output_size > 0) &&
|
1271 |
|
|
!(cs4231_chip->perchip_info.play.pause)) {
|
1272 |
|
|
cs4231_chip->output_next_dma_handle =
|
1273 |
|
|
sbus_map_single(drv->dev,
|
1274 |
|
|
(char *)cs4231_chip->output_ptr,
|
1275 |
|
|
cs4231_chip->output_size,
|
1276 |
|
|
SBUS_DMA_TODEVICE);
|
1277 |
|
|
cs4231_chip->output_next_dma_size = cs4231_chip->output_size;
|
1278 |
|
|
sbus_writel(cs4231_chip->output_next_dma_handle,
|
1279 |
|
|
cs4231_chip->regs + APCPNVA);
|
1280 |
|
|
sbus_writel(cs4231_chip->output_next_dma_size,
|
1281 |
|
|
cs4231_chip->regs + APCPNC);
|
1282 |
|
|
cs4231_chip->output_size = 0;
|
1283 |
|
|
cs4231_chip->output_ptr = NULL;
|
1284 |
|
|
cs4231_chip->playing_count++;
|
1285 |
|
|
status += 2;
|
1286 |
|
|
} else {
|
1287 |
|
|
sbus_writel(0, cs4231_chip->regs + APCPNVA);
|
1288 |
|
|
sbus_writel(0, cs4231_chip->regs + APCPNC);
|
1289 |
|
|
}
|
1290 |
|
|
|
1291 |
|
|
sparcaudio_output_done(drv, status);
|
1292 |
|
|
}
|
1293 |
|
|
|
1294 |
|
|
#ifdef EB4231_SUPPORT
|
1295 |
|
|
static void eb4231_playintr(struct sparcaudio_driver *drv)
|
1296 |
|
|
{
|
1297 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1298 |
|
|
int status = 0;
|
1299 |
|
|
|
1300 |
|
|
if (cs4231_chip->playlen == 0 && cs4231_chip->output_size > 0)
|
1301 |
|
|
cs4231_chip->playlen = cs4231_chip->output_size;
|
1302 |
|
|
|
1303 |
|
|
if (cs4231_chip->output_dma_handle) {
|
1304 |
|
|
pci_unmap_single((struct pci_dev *)drv->dev,
|
1305 |
|
|
cs4231_chip->output_dma_handle,
|
1306 |
|
|
cs4231_chip->output_dma_size,
|
1307 |
|
|
PCI_DMA_TODEVICE);
|
1308 |
|
|
cs4231_chip->output_dma_handle = 0;
|
1309 |
|
|
cs4231_chip->output_dma_size = 0;
|
1310 |
|
|
cs4231_chip->playing_count--;
|
1311 |
|
|
status++;
|
1312 |
|
|
}
|
1313 |
|
|
|
1314 |
|
|
if(cs4231_chip->output_next_dma_handle) {
|
1315 |
|
|
cs4231_chip->output_dma_handle = cs4231_chip->output_next_dma_handle;
|
1316 |
|
|
cs4231_chip->output_dma_size = cs4231_chip->output_next_dma_size;
|
1317 |
|
|
cs4231_chip->output_next_dma_handle = 0;
|
1318 |
|
|
cs4231_chip->output_next_dma_size = 0;
|
1319 |
|
|
}
|
1320 |
|
|
|
1321 |
|
|
if ((cs4231_chip->output_ptr && cs4231_chip->output_size > 0) &&
|
1322 |
|
|
!(cs4231_chip->perchip_info.play.pause)) {
|
1323 |
|
|
cs4231_chip->output_next_dma_handle =
|
1324 |
|
|
pci_map_single((struct pci_dev *)drv->dev,
|
1325 |
|
|
(char *)cs4231_chip->output_ptr,
|
1326 |
|
|
cs4231_chip->output_size,
|
1327 |
|
|
PCI_DMA_TODEVICE);
|
1328 |
|
|
cs4231_chip->output_next_dma_size = cs4231_chip->output_size;
|
1329 |
|
|
|
1330 |
|
|
writel(cs4231_chip->output_next_dma_size,
|
1331 |
|
|
cs4231_chip->eb2p + EBDMA_COUNT);
|
1332 |
|
|
writel(cs4231_chip->output_next_dma_handle,
|
1333 |
|
|
cs4231_chip->eb2p + EBDMA_ADDR);
|
1334 |
|
|
cs4231_chip->output_size = 0;
|
1335 |
|
|
cs4231_chip->output_ptr = NULL;
|
1336 |
|
|
cs4231_chip->playing_count++;
|
1337 |
|
|
status += 2;
|
1338 |
|
|
}
|
1339 |
|
|
|
1340 |
|
|
sparcaudio_output_done(drv, status);
|
1341 |
|
|
}
|
1342 |
|
|
#endif
|
1343 |
|
|
|
1344 |
|
|
static void cs4231_recclear(int fmt, char *dmabuf, int length)
|
1345 |
|
|
{
|
1346 |
|
|
switch (fmt) {
|
1347 |
|
|
case AUDIO_ENCODING_LINEAR:
|
1348 |
|
|
memset(dmabuf, 0x00, length);
|
1349 |
|
|
break;
|
1350 |
|
|
case AUDIO_ENCODING_ALAW:
|
1351 |
|
|
memset(dmabuf, 0xd5, length);
|
1352 |
|
|
break;
|
1353 |
|
|
case AUDIO_ENCODING_ULAW:
|
1354 |
|
|
memset(dmabuf, 0xff, length);
|
1355 |
|
|
break;
|
1356 |
|
|
}
|
1357 |
|
|
}
|
1358 |
|
|
|
1359 |
|
|
static int cs4231_recintr(struct sparcaudio_driver *drv)
|
1360 |
|
|
{
|
1361 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1362 |
|
|
int status = 0;
|
1363 |
|
|
|
1364 |
|
|
if (cs4231_chip->perchip_info.record.active == 0) {
|
1365 |
|
|
dprintk(("going inactive\n"));
|
1366 |
|
|
cs4231_pollinput(drv);
|
1367 |
|
|
cs4231_disable_rec(drv);
|
1368 |
|
|
}
|
1369 |
|
|
|
1370 |
|
|
if (cs4231_chip->input_dma_handle) {
|
1371 |
|
|
sbus_unmap_single(drv->dev,
|
1372 |
|
|
cs4231_chip->input_dma_handle,
|
1373 |
|
|
cs4231_chip->input_dma_size,
|
1374 |
|
|
SBUS_DMA_FROMDEVICE);
|
1375 |
|
|
cs4231_chip->input_dma_handle = 0;
|
1376 |
|
|
cs4231_chip->input_dma_size = 0;
|
1377 |
|
|
cs4231_chip->recording_count--;
|
1378 |
|
|
status++;
|
1379 |
|
|
}
|
1380 |
|
|
|
1381 |
|
|
if (cs4231_chip->input_next_dma_handle) {
|
1382 |
|
|
cs4231_chip->input_dma_handle = cs4231_chip->input_next_dma_handle;
|
1383 |
|
|
cs4231_chip->input_dma_size = cs4231_chip->input_next_dma_size;
|
1384 |
|
|
cs4231_chip->input_next_dma_size = 0;
|
1385 |
|
|
cs4231_chip->input_next_dma_handle = 0;
|
1386 |
|
|
}
|
1387 |
|
|
|
1388 |
|
|
if ((cs4231_chip->input_ptr && cs4231_chip->input_size > 0) &&
|
1389 |
|
|
!(cs4231_chip->perchip_info.record.pause)) {
|
1390 |
|
|
cs4231_recclear(cs4231_chip->perchip_info.record.encoding,
|
1391 |
|
|
(char *)cs4231_chip->input_ptr,
|
1392 |
|
|
cs4231_chip->input_size);
|
1393 |
|
|
cs4231_chip->input_next_dma_handle =
|
1394 |
|
|
sbus_map_single(drv->dev,
|
1395 |
|
|
(char *)cs4231_chip->input_ptr,
|
1396 |
|
|
cs4231_chip->input_size,
|
1397 |
|
|
SBUS_DMA_FROMDEVICE);
|
1398 |
|
|
cs4231_chip->input_next_dma_size = cs4231_chip->input_size;
|
1399 |
|
|
sbus_writel(cs4231_chip->input_next_dma_handle,
|
1400 |
|
|
cs4231_chip->regs + APCCNVA);
|
1401 |
|
|
sbus_writel(cs4231_chip->input_next_dma_size,
|
1402 |
|
|
cs4231_chip->regs + APCCNC);
|
1403 |
|
|
cs4231_chip->input_size = 0;
|
1404 |
|
|
cs4231_chip->input_ptr = NULL;
|
1405 |
|
|
cs4231_chip->recording_count++;
|
1406 |
|
|
status += 2;
|
1407 |
|
|
} else {
|
1408 |
|
|
sbus_writel(0, cs4231_chip->regs + APCCNVA);
|
1409 |
|
|
sbus_writel(0, cs4231_chip->regs + APCCNC);
|
1410 |
|
|
}
|
1411 |
|
|
|
1412 |
|
|
sparcaudio_input_done(drv, status);
|
1413 |
|
|
return 1;
|
1414 |
|
|
}
|
1415 |
|
|
|
1416 |
|
|
#ifdef EB4231_SUPPORT
|
1417 |
|
|
static int eb4231_recintr(struct sparcaudio_driver *drv)
|
1418 |
|
|
{
|
1419 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1420 |
|
|
int status = 0;
|
1421 |
|
|
|
1422 |
|
|
if (cs4231_chip->perchip_info.record.active == 0) {
|
1423 |
|
|
dprintk(("going inactive\n"));
|
1424 |
|
|
eb4231_pollinput(drv);
|
1425 |
|
|
cs4231_disable_rec(drv);
|
1426 |
|
|
}
|
1427 |
|
|
|
1428 |
|
|
if (cs4231_chip->input_dma_handle) {
|
1429 |
|
|
pci_unmap_single((struct pci_dev *)drv->dev,
|
1430 |
|
|
cs4231_chip->input_dma_handle,
|
1431 |
|
|
cs4231_chip->input_dma_size,
|
1432 |
|
|
PCI_DMA_FROMDEVICE);
|
1433 |
|
|
cs4231_chip->input_dma_handle = 0;
|
1434 |
|
|
cs4231_chip->input_dma_size = 0;
|
1435 |
|
|
cs4231_chip->recording_count--;
|
1436 |
|
|
status++;
|
1437 |
|
|
}
|
1438 |
|
|
|
1439 |
|
|
if (cs4231_chip->input_next_dma_handle) {
|
1440 |
|
|
cs4231_chip->input_dma_handle = cs4231_chip->input_next_dma_handle;
|
1441 |
|
|
cs4231_chip->input_dma_size = cs4231_chip->input_next_dma_size;
|
1442 |
|
|
cs4231_chip->input_next_dma_size = 0;
|
1443 |
|
|
cs4231_chip->input_next_dma_handle = 0;
|
1444 |
|
|
}
|
1445 |
|
|
|
1446 |
|
|
if ((cs4231_chip->input_ptr && cs4231_chip->input_size > 0) &&
|
1447 |
|
|
!(cs4231_chip->perchip_info.record.pause)) {
|
1448 |
|
|
cs4231_recclear(cs4231_chip->perchip_info.record.encoding,
|
1449 |
|
|
(char *)cs4231_chip->input_ptr,
|
1450 |
|
|
cs4231_chip->input_size);
|
1451 |
|
|
|
1452 |
|
|
cs4231_chip->input_next_dma_handle =
|
1453 |
|
|
pci_map_single((struct pci_dev *)drv->dev,
|
1454 |
|
|
(char *)cs4231_chip->input_ptr,
|
1455 |
|
|
cs4231_chip->input_size,
|
1456 |
|
|
PCI_DMA_FROMDEVICE);
|
1457 |
|
|
cs4231_chip->input_next_dma_size = cs4231_chip->input_size;
|
1458 |
|
|
|
1459 |
|
|
writel(cs4231_chip->input_next_dma_size,
|
1460 |
|
|
cs4231_chip->eb2c + EBDMA_COUNT);
|
1461 |
|
|
writel(cs4231_chip->input_next_dma_handle,
|
1462 |
|
|
cs4231_chip->eb2c + EBDMA_ADDR);
|
1463 |
|
|
|
1464 |
|
|
cs4231_chip->input_size = 0;
|
1465 |
|
|
cs4231_chip->input_ptr = NULL;
|
1466 |
|
|
cs4231_chip->recording_count++;
|
1467 |
|
|
status += 2;
|
1468 |
|
|
}
|
1469 |
|
|
|
1470 |
|
|
sparcaudio_input_done(drv, status);
|
1471 |
|
|
return 1;
|
1472 |
|
|
}
|
1473 |
|
|
#endif
|
1474 |
|
|
|
1475 |
|
|
#ifdef EB4231_SUPPORT
|
1476 |
|
|
static void eb4231_start_output(struct sparcaudio_driver *drv, __u8 * buffer,
|
1477 |
|
|
unsigned long count)
|
1478 |
|
|
{
|
1479 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1480 |
|
|
u32 dcsr;
|
1481 |
|
|
|
1482 |
|
|
cs4231_chip->output_ptr = buffer;
|
1483 |
|
|
cs4231_chip->output_size = count;
|
1484 |
|
|
|
1485 |
|
|
if (cs4231_chip->perchip_info.play.active ||
|
1486 |
|
|
(cs4231_chip->perchip_info.play.pause))
|
1487 |
|
|
return;
|
1488 |
|
|
|
1489 |
|
|
cs4231_ready(drv);
|
1490 |
|
|
|
1491 |
|
|
cs4231_chip->perchip_info.play.active = 1;
|
1492 |
|
|
cs4231_chip->playing_count = 0;
|
1493 |
|
|
|
1494 |
|
|
dcsr = readl(cs4231_chip->eb2p + EBDMA_CSR);
|
1495 |
|
|
if (!(dcsr & EBUS_DCSR_EN_DMA)) {
|
1496 |
|
|
writel(EBUS_DCSR_RESET, cs4231_chip->eb2p + EBDMA_CSR);
|
1497 |
|
|
writel(EBUS_DCSR_BURST_SZ_16, cs4231_chip->eb2p + EBDMA_CSR);
|
1498 |
|
|
|
1499 |
|
|
eb4231_playintr(drv);
|
1500 |
|
|
|
1501 |
|
|
writel(EBUS_DCSR_BURST_SZ_16 |
|
1502 |
|
|
(EBUS_DCSR_EN_DMA | EBUS_DCSR_INT_EN |
|
1503 |
|
|
EBUS_DCSR_EN_CNT | EBUS_DCSR_EN_NEXT),
|
1504 |
|
|
cs4231_chip->eb2p + EBDMA_CSR);
|
1505 |
|
|
|
1506 |
|
|
cs4231_enable_play(drv);
|
1507 |
|
|
|
1508 |
|
|
cs4231_ready(drv);
|
1509 |
|
|
} else {
|
1510 |
|
|
eb4231_playintr(drv);
|
1511 |
|
|
}
|
1512 |
|
|
}
|
1513 |
|
|
#endif
|
1514 |
|
|
|
1515 |
|
|
static void cs4231_start_output(struct sparcaudio_driver *drv, __u8 * buffer,
|
1516 |
|
|
unsigned long count)
|
1517 |
|
|
{
|
1518 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1519 |
|
|
u32 csr;
|
1520 |
|
|
|
1521 |
|
|
tprintk(("in 4231 start output\n"));
|
1522 |
|
|
cs4231_chip->output_ptr = buffer;
|
1523 |
|
|
cs4231_chip->output_size = count;
|
1524 |
|
|
|
1525 |
|
|
if (cs4231_chip->perchip_info.play.active ||
|
1526 |
|
|
(cs4231_chip->perchip_info.play.pause))
|
1527 |
|
|
return;
|
1528 |
|
|
|
1529 |
|
|
cs4231_ready(drv);
|
1530 |
|
|
|
1531 |
|
|
cs4231_chip->perchip_info.play.active = 1;
|
1532 |
|
|
cs4231_chip->playing_count = 0;
|
1533 |
|
|
|
1534 |
|
|
csr = sbus_readl(cs4231_chip->regs + APCCSR);
|
1535 |
|
|
if ((csr & APC_PPAUSE) || !(csr & APC_PDMA_READY)) {
|
1536 |
|
|
u32 pnva;
|
1537 |
|
|
|
1538 |
|
|
csr &= ~APC_XINT_PLAY;
|
1539 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
1540 |
|
|
csr &= ~APC_PPAUSE;
|
1541 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
1542 |
|
|
|
1543 |
|
|
pnva = sbus_readl(cs4231_chip->regs + APCPNVA);
|
1544 |
|
|
cs4231_playintr(drv, (pnva == 0) ? 1 : 0);
|
1545 |
|
|
|
1546 |
|
|
csr |= APC_PLAY_SETUP;
|
1547 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
1548 |
|
|
cs4231_enable_play(drv);
|
1549 |
|
|
|
1550 |
|
|
cs4231_ready(drv);
|
1551 |
|
|
}
|
1552 |
|
|
}
|
1553 |
|
|
|
1554 |
|
|
#ifdef EB4231_SUPPORT
|
1555 |
|
|
static void eb4231_stop_output(struct sparcaudio_driver *drv)
|
1556 |
|
|
{
|
1557 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1558 |
|
|
u32 dcsr;
|
1559 |
|
|
|
1560 |
|
|
dprintk(("eb4231_stop_output: dcsr 0x%x dacr 0x%x dbcr %d\n",
|
1561 |
|
|
readl(cs4231_chip->eb2p + EBDMA_CSR),
|
1562 |
|
|
readl(cs4231_chip->eb2p + EBDMA_ADDR),
|
1563 |
|
|
readl(cs4231_chip->eb2p + EBDMA_COUNT)));
|
1564 |
|
|
|
1565 |
|
|
cs4231_chip->output_ptr = NULL;
|
1566 |
|
|
cs4231_chip->output_size = 0;
|
1567 |
|
|
|
1568 |
|
|
if (cs4231_chip->output_dma_handle) {
|
1569 |
|
|
pci_unmap_single((struct pci_dev *)drv->dev,
|
1570 |
|
|
cs4231_chip->output_dma_handle,
|
1571 |
|
|
cs4231_chip->output_dma_size,
|
1572 |
|
|
PCI_DMA_TODEVICE);
|
1573 |
|
|
cs4231_chip->output_dma_handle = 0;
|
1574 |
|
|
cs4231_chip->output_dma_size = 0;
|
1575 |
|
|
}
|
1576 |
|
|
|
1577 |
|
|
if (cs4231_chip->output_next_dma_handle) {
|
1578 |
|
|
pci_unmap_single((struct pci_dev *)drv->dev,
|
1579 |
|
|
cs4231_chip->output_next_dma_handle,
|
1580 |
|
|
cs4231_chip->output_next_dma_size,
|
1581 |
|
|
PCI_DMA_TODEVICE);
|
1582 |
|
|
cs4231_chip->output_next_dma_handle = 0;
|
1583 |
|
|
cs4231_chip->output_next_dma_size = 0;
|
1584 |
|
|
}
|
1585 |
|
|
dcsr = readl(cs4231_chip->eb2p + EBDMA_CSR);
|
1586 |
|
|
if(dcsr & EBUS_DCSR_EN_DMA)
|
1587 |
|
|
writel(dcsr & ~EBUS_DCSR_EN_DMA,
|
1588 |
|
|
cs4231_chip->eb2p + EBDMA_CSR);
|
1589 |
|
|
|
1590 |
|
|
/* Else subsequent speed setting changes are ignored by the chip. */
|
1591 |
|
|
cs4231_disable_play(drv);
|
1592 |
|
|
}
|
1593 |
|
|
#endif
|
1594 |
|
|
|
1595 |
|
|
static void cs4231_stop_output(struct sparcaudio_driver *drv)
|
1596 |
|
|
{
|
1597 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1598 |
|
|
|
1599 |
|
|
tprintk(("in cs4231_stop_output\n"));
|
1600 |
|
|
cs4231_chip->output_ptr = NULL;
|
1601 |
|
|
cs4231_chip->output_size = 0;
|
1602 |
|
|
|
1603 |
|
|
if (cs4231_chip->output_dma_handle) {
|
1604 |
|
|
sbus_unmap_single(drv->dev,
|
1605 |
|
|
cs4231_chip->output_dma_handle,
|
1606 |
|
|
cs4231_chip->output_dma_size,
|
1607 |
|
|
SBUS_DMA_TODEVICE);
|
1608 |
|
|
cs4231_chip->output_dma_handle = 0;
|
1609 |
|
|
cs4231_chip->output_dma_size = 0;
|
1610 |
|
|
}
|
1611 |
|
|
|
1612 |
|
|
if (cs4231_chip->output_next_dma_handle) {
|
1613 |
|
|
sbus_unmap_single(drv->dev,
|
1614 |
|
|
cs4231_chip->output_next_dma_handle,
|
1615 |
|
|
cs4231_chip->output_next_dma_size,
|
1616 |
|
|
SBUS_DMA_TODEVICE);
|
1617 |
|
|
cs4231_chip->output_next_dma_handle = 0;
|
1618 |
|
|
cs4231_chip->output_next_dma_size = 0;
|
1619 |
|
|
}
|
1620 |
|
|
#if 0 /* Not safe without shutting off the DMA controller as well. -DaveM */
|
1621 |
|
|
/* Else subsequent speed setting changes are ignored by the chip. */
|
1622 |
|
|
cs4231_disable_play(drv);
|
1623 |
|
|
#endif
|
1624 |
|
|
}
|
1625 |
|
|
|
1626 |
|
|
#ifdef EB4231_SUPPORT
|
1627 |
|
|
static void eb4231_pollinput(struct sparcaudio_driver *drv)
|
1628 |
|
|
{
|
1629 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1630 |
|
|
int x;
|
1631 |
|
|
u32 dcsr;
|
1632 |
|
|
|
1633 |
|
|
x = 0;
|
1634 |
|
|
do {
|
1635 |
|
|
dcsr = readl(cs4231_chip->eb2c + EBDMA_CSR);
|
1636 |
|
|
if (dcsr & EBUS_DCSR_TC)
|
1637 |
|
|
break;
|
1638 |
|
|
x++;
|
1639 |
|
|
} while (x <= CS_TIMEOUT);
|
1640 |
|
|
|
1641 |
|
|
writel(dcsr | EBUS_DCSR_TC,
|
1642 |
|
|
cs4231_chip->eb2c + EBDMA_CSR);
|
1643 |
|
|
}
|
1644 |
|
|
#endif
|
1645 |
|
|
|
1646 |
|
|
static void cs4231_pollinput(struct sparcaudio_driver *drv)
|
1647 |
|
|
{
|
1648 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1649 |
|
|
int x;
|
1650 |
|
|
u32 csr;
|
1651 |
|
|
|
1652 |
|
|
x = 0;
|
1653 |
|
|
do {
|
1654 |
|
|
csr = sbus_readl(cs4231_chip->regs + APCCSR);
|
1655 |
|
|
if (csr & APC_XINT_COVF)
|
1656 |
|
|
break;
|
1657 |
|
|
x++;
|
1658 |
|
|
} while (x <= CS_TIMEOUT);
|
1659 |
|
|
|
1660 |
|
|
sbus_writel(csr | APC_XINT_CEMP,
|
1661 |
|
|
cs4231_chip->regs + APCCSR);
|
1662 |
|
|
}
|
1663 |
|
|
|
1664 |
|
|
static void cs4231_start_input(struct sparcaudio_driver *drv, __u8 * buffer,
|
1665 |
|
|
unsigned long count)
|
1666 |
|
|
{
|
1667 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1668 |
|
|
u32 csr;
|
1669 |
|
|
|
1670 |
|
|
cs4231_chip->input_ptr = buffer;
|
1671 |
|
|
cs4231_chip->input_size = count;
|
1672 |
|
|
|
1673 |
|
|
if (cs4231_chip->perchip_info.record.active ||
|
1674 |
|
|
(cs4231_chip->perchip_info.record.pause))
|
1675 |
|
|
return;
|
1676 |
|
|
|
1677 |
|
|
cs4231_ready(drv);
|
1678 |
|
|
|
1679 |
|
|
cs4231_chip->perchip_info.record.active = 1;
|
1680 |
|
|
cs4231_chip->recording_count = 0;
|
1681 |
|
|
|
1682 |
|
|
csr = sbus_readl(cs4231_chip->regs + APCCSR);
|
1683 |
|
|
if ((csr & APC_CPAUSE) || !(csr & APC_CDMA_READY)) {
|
1684 |
|
|
csr &= ~APC_XINT_CAPT;
|
1685 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
1686 |
|
|
csr &= ~APC_CPAUSE;
|
1687 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
1688 |
|
|
|
1689 |
|
|
cs4231_recintr(drv);
|
1690 |
|
|
|
1691 |
|
|
csr |= APC_CAPT_SETUP;
|
1692 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
1693 |
|
|
|
1694 |
|
|
cs4231_enable_rec(drv);
|
1695 |
|
|
cs4231_ready(drv);
|
1696 |
|
|
} else {
|
1697 |
|
|
cs4231_recintr(drv);
|
1698 |
|
|
}
|
1699 |
|
|
}
|
1700 |
|
|
|
1701 |
|
|
static void cs4231_stop_input(struct sparcaudio_driver *drv)
|
1702 |
|
|
{
|
1703 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1704 |
|
|
u32 csr;
|
1705 |
|
|
|
1706 |
|
|
cs4231_chip->perchip_info.record.active = 0;
|
1707 |
|
|
|
1708 |
|
|
csr = sbus_readl(cs4231_chip->regs + APCCSR);
|
1709 |
|
|
csr |= APC_CPAUSE;
|
1710 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
1711 |
|
|
|
1712 |
|
|
cs4231_chip->input_ptr = NULL;
|
1713 |
|
|
cs4231_chip->input_size = 0;
|
1714 |
|
|
|
1715 |
|
|
if (cs4231_chip->input_dma_handle) {
|
1716 |
|
|
sbus_unmap_single(drv->dev,
|
1717 |
|
|
cs4231_chip->input_dma_handle,
|
1718 |
|
|
cs4231_chip->input_dma_size,
|
1719 |
|
|
SBUS_DMA_FROMDEVICE);
|
1720 |
|
|
cs4231_chip->input_dma_handle = 0;
|
1721 |
|
|
cs4231_chip->input_dma_size = 0;
|
1722 |
|
|
}
|
1723 |
|
|
|
1724 |
|
|
if (cs4231_chip->input_next_dma_handle) {
|
1725 |
|
|
sbus_unmap_single(drv->dev,
|
1726 |
|
|
cs4231_chip->input_next_dma_handle,
|
1727 |
|
|
cs4231_chip->input_next_dma_size,
|
1728 |
|
|
SBUS_DMA_FROMDEVICE);
|
1729 |
|
|
cs4231_chip->input_next_dma_handle = 0;
|
1730 |
|
|
cs4231_chip->input_next_dma_size = 0;
|
1731 |
|
|
}
|
1732 |
|
|
|
1733 |
|
|
cs4231_pollinput(drv);
|
1734 |
|
|
}
|
1735 |
|
|
|
1736 |
|
|
#ifdef EB4231_SUPPORT
|
1737 |
|
|
static void eb4231_start_input(struct sparcaudio_driver *drv, __u8 * buffer,
|
1738 |
|
|
unsigned long count)
|
1739 |
|
|
{
|
1740 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1741 |
|
|
u32 dcsr;
|
1742 |
|
|
|
1743 |
|
|
cs4231_chip->input_ptr = buffer;
|
1744 |
|
|
cs4231_chip->input_size = count;
|
1745 |
|
|
|
1746 |
|
|
if (cs4231_chip->perchip_info.record.active ||
|
1747 |
|
|
(cs4231_chip->perchip_info.record.pause))
|
1748 |
|
|
return;
|
1749 |
|
|
|
1750 |
|
|
cs4231_ready(drv);
|
1751 |
|
|
cs4231_chip->perchip_info.record.active = 1;
|
1752 |
|
|
cs4231_chip->recording_count = 0;
|
1753 |
|
|
|
1754 |
|
|
dcsr = readl(cs4231_chip->eb2c + EBDMA_CSR);
|
1755 |
|
|
if (!(dcsr & EBUS_DCSR_EN_DMA)) {
|
1756 |
|
|
writel(EBUS_DCSR_RESET, cs4231_chip->eb2c + EBDMA_CSR);
|
1757 |
|
|
writel(EBUS_DCSR_BURST_SZ_16, cs4231_chip->eb2c + EBDMA_CSR);
|
1758 |
|
|
|
1759 |
|
|
eb4231_recintr(drv);
|
1760 |
|
|
|
1761 |
|
|
writel(EBUS_DCSR_BURST_SZ_16 |
|
1762 |
|
|
(EBUS_DCSR_EN_DMA | EBUS_DCSR_INT_EN |
|
1763 |
|
|
EBUS_DCSR_EN_CNT | EBUS_DCSR_EN_NEXT),
|
1764 |
|
|
cs4231_chip->eb2c + EBDMA_CSR);
|
1765 |
|
|
|
1766 |
|
|
cs4231_enable_rec(drv);
|
1767 |
|
|
cs4231_ready(drv);
|
1768 |
|
|
} else {
|
1769 |
|
|
eb4231_recintr(drv);
|
1770 |
|
|
}
|
1771 |
|
|
}
|
1772 |
|
|
|
1773 |
|
|
static void eb4231_stop_input(struct sparcaudio_driver *drv)
|
1774 |
|
|
{
|
1775 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1776 |
|
|
u32 dcsr;
|
1777 |
|
|
|
1778 |
|
|
cs4231_chip->perchip_info.record.active = 0;
|
1779 |
|
|
|
1780 |
|
|
cs4231_chip->input_ptr = NULL;
|
1781 |
|
|
cs4231_chip->input_size = 0;
|
1782 |
|
|
|
1783 |
|
|
if (cs4231_chip->input_dma_handle) {
|
1784 |
|
|
pci_unmap_single((struct pci_dev *)drv->dev,
|
1785 |
|
|
cs4231_chip->input_dma_handle,
|
1786 |
|
|
cs4231_chip->input_dma_size,
|
1787 |
|
|
PCI_DMA_FROMDEVICE);
|
1788 |
|
|
cs4231_chip->input_dma_handle = 0;
|
1789 |
|
|
cs4231_chip->input_dma_size = 0;
|
1790 |
|
|
}
|
1791 |
|
|
|
1792 |
|
|
if (cs4231_chip->input_next_dma_handle) {
|
1793 |
|
|
pci_unmap_single((struct pci_dev *)drv->dev,
|
1794 |
|
|
cs4231_chip->input_next_dma_handle,
|
1795 |
|
|
cs4231_chip->input_next_dma_size,
|
1796 |
|
|
PCI_DMA_FROMDEVICE);
|
1797 |
|
|
cs4231_chip->input_next_dma_handle = 0;
|
1798 |
|
|
cs4231_chip->input_next_dma_size = 0;
|
1799 |
|
|
}
|
1800 |
|
|
|
1801 |
|
|
dcsr = readl(cs4231_chip->eb2c + EBDMA_CSR);
|
1802 |
|
|
if (dcsr & EBUS_DCSR_EN_DMA)
|
1803 |
|
|
writel(dcsr & ~EBUS_DCSR_EN_DMA, cs4231_chip->eb2c + EBDMA_CSR);
|
1804 |
|
|
|
1805 |
|
|
cs4231_disable_rec(drv);
|
1806 |
|
|
}
|
1807 |
|
|
#endif
|
1808 |
|
|
|
1809 |
|
|
static int cs4231_set_output_pause(struct sparcaudio_driver *drv, int value)
|
1810 |
|
|
{
|
1811 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1812 |
|
|
|
1813 |
|
|
cs4231_chip->perchip_info.play.pause = value;
|
1814 |
|
|
|
1815 |
|
|
if (!value)
|
1816 |
|
|
sparcaudio_output_done(drv, 0);
|
1817 |
|
|
|
1818 |
|
|
return value;
|
1819 |
|
|
}
|
1820 |
|
|
|
1821 |
|
|
static int cs4231_set_output_error(struct sparcaudio_driver *drv, int value)
|
1822 |
|
|
{
|
1823 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1824 |
|
|
int i;
|
1825 |
|
|
|
1826 |
|
|
i = cs4231_chip->perchip_info.play.error;
|
1827 |
|
|
cs4231_chip->perchip_info.play.error = value;
|
1828 |
|
|
|
1829 |
|
|
return i;
|
1830 |
|
|
}
|
1831 |
|
|
|
1832 |
|
|
static int cs4231_set_input_error(struct sparcaudio_driver *drv, int value)
|
1833 |
|
|
{
|
1834 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1835 |
|
|
int i;
|
1836 |
|
|
|
1837 |
|
|
i = cs4231_chip->perchip_info.record.error;
|
1838 |
|
|
cs4231_chip->perchip_info.record.error = value;
|
1839 |
|
|
|
1840 |
|
|
return i;
|
1841 |
|
|
}
|
1842 |
|
|
|
1843 |
|
|
static int cs4231_set_output_samples(struct sparcaudio_driver *drv, int value)
|
1844 |
|
|
{
|
1845 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *)drv->private;
|
1846 |
|
|
int i;
|
1847 |
|
|
|
1848 |
|
|
i = cs4231_chip->perchip_info.play.samples;
|
1849 |
|
|
cs4231_chip->perchip_info.play.samples = value;
|
1850 |
|
|
|
1851 |
|
|
return i;
|
1852 |
|
|
}
|
1853 |
|
|
|
1854 |
|
|
static int cs4231_set_input_samples(struct sparcaudio_driver *drv, int value)
|
1855 |
|
|
{
|
1856 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1857 |
|
|
int i;
|
1858 |
|
|
|
1859 |
|
|
i = cs4231_chip->perchip_info.record.samples;
|
1860 |
|
|
cs4231_chip->perchip_info.record.samples = value;
|
1861 |
|
|
|
1862 |
|
|
return i;
|
1863 |
|
|
}
|
1864 |
|
|
|
1865 |
|
|
static int cs4231_set_input_pause(struct sparcaudio_driver *drv, int value)
|
1866 |
|
|
{
|
1867 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1868 |
|
|
|
1869 |
|
|
cs4231_chip->perchip_info.record.pause = value;
|
1870 |
|
|
|
1871 |
|
|
if (value)
|
1872 |
|
|
cs4231_stop_input(drv);
|
1873 |
|
|
|
1874 |
|
|
return value;
|
1875 |
|
|
}
|
1876 |
|
|
|
1877 |
|
|
static void cs4231_audio_getdev(struct sparcaudio_driver *drv,
|
1878 |
|
|
audio_device_t * audinfo)
|
1879 |
|
|
{
|
1880 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1881 |
|
|
|
1882 |
|
|
strncpy(audinfo->name, "SUNW,CS4231", sizeof(audinfo->name) - 1);
|
1883 |
|
|
/* versions */
|
1884 |
|
|
/* a: SPARCstation 4/5 b: Ultra 1/2 (electron) */
|
1885 |
|
|
/* c: Ultra 1/2 PCI? (positron) d: ppc */
|
1886 |
|
|
/* e: x86 f: Ultra Enterprise? (tazmo) */
|
1887 |
|
|
/* g: Ultra 30? (quark) h: Ultra 5/10? (darwin) */
|
1888 |
|
|
/* apparently Ultra 1, Ultra 2 don't have internal CD input */
|
1889 |
|
|
if (cs4231_chip->status & CS_STATUS_IS_ULTRA)
|
1890 |
|
|
strncpy(audinfo->version, "b", sizeof(audinfo->version) - 1);
|
1891 |
|
|
else
|
1892 |
|
|
strncpy(audinfo->version, "a", sizeof(audinfo->version) - 1);
|
1893 |
|
|
strncpy(audinfo->config, "onboard1", sizeof(audinfo->config) - 1);
|
1894 |
|
|
}
|
1895 |
|
|
|
1896 |
|
|
|
1897 |
|
|
static int cs4231_audio_getdev_sunos(struct sparcaudio_driver *drv)
|
1898 |
|
|
{
|
1899 |
|
|
return AUDIO_DEV_CS4231;
|
1900 |
|
|
}
|
1901 |
|
|
|
1902 |
|
|
static void cs4231_loopback(struct sparcaudio_driver *drv, unsigned int value)
|
1903 |
|
|
{
|
1904 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1905 |
|
|
|
1906 |
|
|
WRITE_IAR(0x0d);
|
1907 |
|
|
WRITE_IDR(value ? LOOPB_ON : 0);
|
1908 |
|
|
}
|
1909 |
|
|
|
1910 |
|
|
static int cs4231_ioctl(struct inode * inode, struct file * file,
|
1911 |
|
|
unsigned int cmd, unsigned long arg,
|
1912 |
|
|
struct sparcaudio_driver *drv)
|
1913 |
|
|
{
|
1914 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1915 |
|
|
int retval = 0;
|
1916 |
|
|
|
1917 |
|
|
switch (cmd) {
|
1918 |
|
|
case AUDIO_DIAG_LOOPBACK:
|
1919 |
|
|
cs4231_chip->status |= CS_STATUS_INIT_ON_CLOSE;
|
1920 |
|
|
cs4231_loopback(drv, (unsigned int)arg);
|
1921 |
|
|
break;
|
1922 |
|
|
default:
|
1923 |
|
|
retval = -EINVAL;
|
1924 |
|
|
};
|
1925 |
|
|
|
1926 |
|
|
return retval;
|
1927 |
|
|
}
|
1928 |
|
|
|
1929 |
|
|
#ifdef EB4231_SUPPORT
|
1930 |
|
|
/* ebus audio capture interrupt handler. */
|
1931 |
|
|
void eb4231_cinterrupt(int irq, void *dev_id, struct pt_regs *regs)
|
1932 |
|
|
{
|
1933 |
|
|
struct sparcaudio_driver *drv = (struct sparcaudio_driver *) dev_id;
|
1934 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1935 |
|
|
u32 dummy;
|
1936 |
|
|
|
1937 |
|
|
/* Clear the interrupt. */
|
1938 |
|
|
dummy = readl(cs4231_chip->eb2c + EBDMA_CSR);
|
1939 |
|
|
writel(dummy, cs4231_chip->eb2c + EBDMA_CSR);
|
1940 |
|
|
|
1941 |
|
|
if ((dummy & EBUS_DCSR_TC) != 0
|
1942 |
|
|
/*&& (dummy & EBUS_DCSR_A_LOADED) != 0*/) {
|
1943 |
|
|
cs4231_chip->perchip_info.record.samples +=
|
1944 |
|
|
cs4231_length_to_samplecount(&(cs4231_chip->perchip_info.record),
|
1945 |
|
|
cs4231_chip->reclen);
|
1946 |
|
|
eb4231_recintr(drv);
|
1947 |
|
|
}
|
1948 |
|
|
|
1949 |
|
|
if ((dummy & EBUS_DCSR_A_LOADED) == 0) {
|
1950 |
|
|
cs4231_chip->perchip_info.record.active = 0;
|
1951 |
|
|
eb4231_recintr(drv);
|
1952 |
|
|
eb4231_getsamplecount(drv, cs4231_chip->reclen, 1);
|
1953 |
|
|
}
|
1954 |
|
|
}
|
1955 |
|
|
|
1956 |
|
|
/* ebus audio play interrupt handler. */
|
1957 |
|
|
void eb4231_pinterrupt(int irq, void *dev_id, struct pt_regs *regs)
|
1958 |
|
|
{
|
1959 |
|
|
struct sparcaudio_driver *drv = (struct sparcaudio_driver *) dev_id;
|
1960 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1961 |
|
|
u32 dummy;
|
1962 |
|
|
|
1963 |
|
|
/* Clear the interrupt. Bleh, when not using the next-address
|
1964 |
|
|
* feature, TC can only be cleared by a reset.
|
1965 |
|
|
*/
|
1966 |
|
|
dummy = readl(cs4231_chip->eb2p + EBDMA_CSR);
|
1967 |
|
|
writel(dummy, cs4231_chip->eb2p + EBDMA_CSR);
|
1968 |
|
|
|
1969 |
|
|
/* If we get a terminal count and address loaded condition,
|
1970 |
|
|
* this means the DNAR was copied into DACR.
|
1971 |
|
|
*/
|
1972 |
|
|
if((dummy & EBUS_DCSR_TC) != 0
|
1973 |
|
|
/*&& (dummy & EBUS_DCSR_A_LOADED) != 0*/) {
|
1974 |
|
|
cs4231_chip->perchip_info.play.samples +=
|
1975 |
|
|
cs4231_length_to_samplecount(&(cs4231_chip->perchip_info.play),
|
1976 |
|
|
cs4231_chip->playlen);
|
1977 |
|
|
eb4231_playintr(drv);
|
1978 |
|
|
}
|
1979 |
|
|
|
1980 |
|
|
if((dummy & EBUS_DCSR_A_LOADED) == 0) {
|
1981 |
|
|
cs4231_chip->perchip_info.play.active = 0;
|
1982 |
|
|
eb4231_playintr(drv);
|
1983 |
|
|
eb4231_getsamplecount(drv, cs4231_chip->playlen, 0);
|
1984 |
|
|
}
|
1985 |
|
|
}
|
1986 |
|
|
#endif
|
1987 |
|
|
|
1988 |
|
|
/* Audio interrupt handler. */
|
1989 |
|
|
void cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
1990 |
|
|
{
|
1991 |
|
|
struct sparcaudio_driver *drv = (struct sparcaudio_driver *) dev_id;
|
1992 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
1993 |
|
|
__u32 dummy;
|
1994 |
|
|
|
1995 |
|
|
dprintk(("in cs4231_interrupt\n"));
|
1996 |
|
|
|
1997 |
|
|
/* Clear the interrupt. */
|
1998 |
|
|
dummy = sbus_readl(cs4231_chip->regs + APCCSR);
|
1999 |
|
|
sbus_writel(dummy, cs4231_chip->regs + APCCSR);
|
2000 |
|
|
|
2001 |
|
|
/* now go through and figure out what gets to claim the interrupt
|
2002 |
|
|
* if anything since we may be doing shared interrupts
|
2003 |
|
|
*/
|
2004 |
|
|
if (dummy & APC_PLAY_INT) {
|
2005 |
|
|
if (dummy & APC_XINT_PNVA) {
|
2006 |
|
|
cs4231_chip->perchip_info.play.samples +=
|
2007 |
|
|
cs4231_length_to_samplecount(&(cs4231_chip->perchip_info.play),
|
2008 |
|
|
cs4231_chip->playlen);
|
2009 |
|
|
if (!(dummy & APC_XINT_EMPT))
|
2010 |
|
|
cs4231_playintr(drv, 1);
|
2011 |
|
|
}
|
2012 |
|
|
/* Any other conditions we need worry about? */
|
2013 |
|
|
}
|
2014 |
|
|
|
2015 |
|
|
if (dummy & APC_CAPT_INT) {
|
2016 |
|
|
if (dummy & APC_XINT_CNVA) {
|
2017 |
|
|
cs4231_chip->perchip_info.record.samples +=
|
2018 |
|
|
cs4231_length_to_samplecount(&(cs4231_chip->perchip_info.record),
|
2019 |
|
|
cs4231_chip->reclen);
|
2020 |
|
|
cs4231_recintr(drv);
|
2021 |
|
|
}
|
2022 |
|
|
/* Any other conditions we need worry about? */
|
2023 |
|
|
}
|
2024 |
|
|
|
2025 |
|
|
|
2026 |
|
|
if (dummy & APC_XINT_CEMP) {
|
2027 |
|
|
if (cs4231_chip->perchip_info.record.active == 0) {
|
2028 |
|
|
/* Fix me */
|
2029 |
|
|
cs4231_chip->perchip_info.record.active = 0;
|
2030 |
|
|
cs4231_chip->perchip_info.record.error = 1;
|
2031 |
|
|
cs4231_recintr(drv);
|
2032 |
|
|
}
|
2033 |
|
|
}
|
2034 |
|
|
|
2035 |
|
|
if (dummy & APC_XINT_EMPT) {
|
2036 |
|
|
if (!cs4231_chip->output_next_dma_handle) {
|
2037 |
|
|
u32 csr = sbus_readl(cs4231_chip->regs + APCCSR);
|
2038 |
|
|
|
2039 |
|
|
csr |= APC_PPAUSE;
|
2040 |
|
|
sbus_writel(csr, cs4231_chip->regs + APCCSR);
|
2041 |
|
|
cs4231_disable_play(drv);
|
2042 |
|
|
cs4231_chip->perchip_info.play.error = 1;
|
2043 |
|
|
}
|
2044 |
|
|
cs4231_chip->perchip_info.play.active = 0;
|
2045 |
|
|
cs4231_playintr(drv, 0);
|
2046 |
|
|
|
2047 |
|
|
cs4231_getsamplecount(drv, cs4231_chip->playlen, 0);
|
2048 |
|
|
}
|
2049 |
|
|
|
2050 |
|
|
if (dummy & APC_GENL_INT) {
|
2051 |
|
|
/* If we get here we must be sharing an interrupt, but I haven't code
|
2052 |
|
|
* to handle this right now.
|
2053 |
|
|
*/
|
2054 |
|
|
}
|
2055 |
|
|
}
|
2056 |
|
|
|
2057 |
|
|
static struct sparcaudio_operations cs4231_ops = {
|
2058 |
|
|
cs4231_open,
|
2059 |
|
|
cs4231_release,
|
2060 |
|
|
cs4231_ioctl,
|
2061 |
|
|
cs4231_start_output,
|
2062 |
|
|
cs4231_stop_output,
|
2063 |
|
|
cs4231_start_input,
|
2064 |
|
|
cs4231_stop_input,
|
2065 |
|
|
cs4231_audio_getdev,
|
2066 |
|
|
cs4231_set_output_volume,
|
2067 |
|
|
cs4231_get_output_volume,
|
2068 |
|
|
cs4231_set_input_volume,
|
2069 |
|
|
cs4231_get_input_volume,
|
2070 |
|
|
cs4231_set_monitor_volume,
|
2071 |
|
|
cs4231_get_monitor_volume,
|
2072 |
|
|
cs4231_set_output_balance,
|
2073 |
|
|
cs4231_get_output_balance,
|
2074 |
|
|
cs4231_set_input_balance,
|
2075 |
|
|
cs4231_get_input_balance,
|
2076 |
|
|
cs4231_set_output_channels,
|
2077 |
|
|
cs4231_get_output_channels,
|
2078 |
|
|
cs4231_set_input_channels,
|
2079 |
|
|
cs4231_get_input_channels,
|
2080 |
|
|
cs4231_set_output_precision,
|
2081 |
|
|
cs4231_get_output_precision,
|
2082 |
|
|
cs4231_set_input_precision,
|
2083 |
|
|
cs4231_get_input_precision,
|
2084 |
|
|
cs4231_set_output_port,
|
2085 |
|
|
cs4231_get_output_port,
|
2086 |
|
|
cs4231_set_input_port,
|
2087 |
|
|
cs4231_get_input_port,
|
2088 |
|
|
cs4231_set_output_encoding,
|
2089 |
|
|
cs4231_get_output_encoding,
|
2090 |
|
|
cs4231_set_input_encoding,
|
2091 |
|
|
cs4231_get_input_encoding,
|
2092 |
|
|
cs4231_set_output_rate,
|
2093 |
|
|
cs4231_get_output_rate,
|
2094 |
|
|
cs4231_set_input_rate,
|
2095 |
|
|
cs4231_get_input_rate,
|
2096 |
|
|
cs4231_audio_getdev_sunos,
|
2097 |
|
|
cs4231_get_output_ports,
|
2098 |
|
|
cs4231_get_input_ports,
|
2099 |
|
|
cs4231_output_muted,
|
2100 |
|
|
cs4231_get_output_muted,
|
2101 |
|
|
cs4231_set_output_pause,
|
2102 |
|
|
cs4231_get_output_pause,
|
2103 |
|
|
cs4231_set_input_pause,
|
2104 |
|
|
cs4231_get_input_pause,
|
2105 |
|
|
cs4231_set_output_samples,
|
2106 |
|
|
cs4231_get_output_samples,
|
2107 |
|
|
cs4231_set_input_samples,
|
2108 |
|
|
cs4231_get_input_samples,
|
2109 |
|
|
cs4231_set_output_error,
|
2110 |
|
|
cs4231_get_output_error,
|
2111 |
|
|
cs4231_set_input_error,
|
2112 |
|
|
cs4231_get_input_error,
|
2113 |
|
|
cs4231_get_formats,
|
2114 |
|
|
};
|
2115 |
|
|
|
2116 |
|
|
#ifdef EB4231_SUPPORT
|
2117 |
|
|
static struct sparcaudio_operations eb4231_ops = {
|
2118 |
|
|
cs4231_open,
|
2119 |
|
|
cs4231_release,
|
2120 |
|
|
cs4231_ioctl,
|
2121 |
|
|
eb4231_start_output,
|
2122 |
|
|
eb4231_stop_output,
|
2123 |
|
|
eb4231_start_input,
|
2124 |
|
|
eb4231_stop_input,
|
2125 |
|
|
cs4231_audio_getdev,
|
2126 |
|
|
cs4231_set_output_volume,
|
2127 |
|
|
cs4231_get_output_volume,
|
2128 |
|
|
cs4231_set_input_volume,
|
2129 |
|
|
cs4231_get_input_volume,
|
2130 |
|
|
cs4231_set_monitor_volume,
|
2131 |
|
|
cs4231_get_monitor_volume,
|
2132 |
|
|
cs4231_set_output_balance,
|
2133 |
|
|
cs4231_get_output_balance,
|
2134 |
|
|
cs4231_set_input_balance,
|
2135 |
|
|
cs4231_get_input_balance,
|
2136 |
|
|
cs4231_set_output_channels,
|
2137 |
|
|
cs4231_get_output_channels,
|
2138 |
|
|
cs4231_set_input_channels,
|
2139 |
|
|
cs4231_get_input_channels,
|
2140 |
|
|
cs4231_set_output_precision,
|
2141 |
|
|
cs4231_get_output_precision,
|
2142 |
|
|
cs4231_set_input_precision,
|
2143 |
|
|
cs4231_get_input_precision,
|
2144 |
|
|
cs4231_set_output_port,
|
2145 |
|
|
cs4231_get_output_port,
|
2146 |
|
|
cs4231_set_input_port,
|
2147 |
|
|
cs4231_get_input_port,
|
2148 |
|
|
cs4231_set_output_encoding,
|
2149 |
|
|
cs4231_get_output_encoding,
|
2150 |
|
|
cs4231_set_input_encoding,
|
2151 |
|
|
cs4231_get_input_encoding,
|
2152 |
|
|
cs4231_set_output_rate,
|
2153 |
|
|
cs4231_get_output_rate,
|
2154 |
|
|
cs4231_set_input_rate,
|
2155 |
|
|
cs4231_get_input_rate,
|
2156 |
|
|
cs4231_audio_getdev_sunos,
|
2157 |
|
|
cs4231_get_output_ports,
|
2158 |
|
|
cs4231_get_input_ports,
|
2159 |
|
|
cs4231_output_muted,
|
2160 |
|
|
cs4231_get_output_muted,
|
2161 |
|
|
cs4231_set_output_pause,
|
2162 |
|
|
cs4231_get_output_pause,
|
2163 |
|
|
cs4231_set_input_pause,
|
2164 |
|
|
cs4231_get_input_pause,
|
2165 |
|
|
cs4231_set_output_samples,
|
2166 |
|
|
eb4231_get_output_samples,
|
2167 |
|
|
cs4231_set_input_samples,
|
2168 |
|
|
eb4231_get_input_samples,
|
2169 |
|
|
cs4231_set_output_error,
|
2170 |
|
|
cs4231_get_output_error,
|
2171 |
|
|
cs4231_set_input_error,
|
2172 |
|
|
cs4231_get_input_error,
|
2173 |
|
|
cs4231_get_formats,
|
2174 |
|
|
};
|
2175 |
|
|
#endif
|
2176 |
|
|
|
2177 |
|
|
/* Attach to an cs4231 chip given its PROM node. */
|
2178 |
|
|
static int cs4231_attach(struct sparcaudio_driver *drv,
|
2179 |
|
|
struct sbus_dev *sdev)
|
2180 |
|
|
{
|
2181 |
|
|
struct cs4231_chip *cs4231_chip;
|
2182 |
|
|
int err;
|
2183 |
|
|
|
2184 |
|
|
/* Allocate our private information structure. */
|
2185 |
|
|
drv->private = kmalloc(sizeof(struct cs4231_chip), GFP_KERNEL);
|
2186 |
|
|
if (drv->private == NULL)
|
2187 |
|
|
return -ENOMEM;
|
2188 |
|
|
|
2189 |
|
|
/* Point at the information structure and initialize it. */
|
2190 |
|
|
drv->ops = &cs4231_ops;
|
2191 |
|
|
cs4231_chip = (struct cs4231_chip *) drv->private;
|
2192 |
|
|
cs4231_chip->input_ptr = cs4231_chip->output_ptr = NULL;
|
2193 |
|
|
cs4231_chip->input_size = cs4231_chip->output_size = 0;
|
2194 |
|
|
cs4231_chip->status = 0;
|
2195 |
|
|
|
2196 |
|
|
drv->dev = sdev;
|
2197 |
|
|
|
2198 |
|
|
/* Map the registers into memory. */
|
2199 |
|
|
cs4231_chip->regs_size = sdev->reg_addrs[0].reg_size;
|
2200 |
|
|
cs4231_chip->regs = sbus_ioremap(&sdev->resource[0], 0,
|
2201 |
|
|
sdev->reg_addrs[0].reg_size,
|
2202 |
|
|
"cs4231");
|
2203 |
|
|
|
2204 |
|
|
if (!cs4231_chip->regs) {
|
2205 |
|
|
printk(KERN_ERR "cs4231: could not remap registers\n");
|
2206 |
|
|
kfree(drv->private);
|
2207 |
|
|
return -EIO;
|
2208 |
|
|
}
|
2209 |
|
|
|
2210 |
|
|
/* Attach the interrupt handler to the audio interrupt. */
|
2211 |
|
|
cs4231_chip->irq = sdev->irqs[0];
|
2212 |
|
|
request_irq(cs4231_chip->irq, cs4231_interrupt, SA_SHIRQ, "cs4231", drv);
|
2213 |
|
|
|
2214 |
|
|
cs4231_chip->nirqs = 1;
|
2215 |
|
|
cs4231_enable_interrupts(drv);
|
2216 |
|
|
|
2217 |
|
|
/* Reset the audio chip. */
|
2218 |
|
|
cs4231_chip_reset(drv);
|
2219 |
|
|
|
2220 |
|
|
/* Register ourselves with the midlevel audio driver. */
|
2221 |
|
|
err = register_sparcaudio_driver(drv, 1);
|
2222 |
|
|
|
2223 |
|
|
if (err < 0) {
|
2224 |
|
|
printk(KERN_ERR "cs4231: unable to register\n");
|
2225 |
|
|
cs4231_disable_interrupts(drv);
|
2226 |
|
|
free_irq(cs4231_chip->irq, drv);
|
2227 |
|
|
sbus_iounmap(cs4231_chip->regs, cs4231_chip->regs_size);
|
2228 |
|
|
kfree(drv->private);
|
2229 |
|
|
return -EIO;
|
2230 |
|
|
}
|
2231 |
|
|
|
2232 |
|
|
cs4231_chip->perchip_info.play.active =
|
2233 |
|
|
cs4231_chip->perchip_info.play.pause = 0;
|
2234 |
|
|
|
2235 |
|
|
cs4231_chip->perchip_info.record.active =
|
2236 |
|
|
cs4231_chip->perchip_info.record.pause = 0;
|
2237 |
|
|
|
2238 |
|
|
cs4231_chip->perchip_info.play.avail_ports = (AUDIO_HEADPHONE |
|
2239 |
|
|
AUDIO_SPEAKER |
|
2240 |
|
|
AUDIO_LINE_OUT);
|
2241 |
|
|
|
2242 |
|
|
cs4231_chip->perchip_info.record.avail_ports = (AUDIO_INTERNAL_CD_IN |
|
2243 |
|
|
AUDIO_LINE_IN |
|
2244 |
|
|
AUDIO_MICROPHONE |
|
2245 |
|
|
AUDIO_ANALOG_LOOPBACK);
|
2246 |
|
|
|
2247 |
|
|
/* Announce the hardware to the user. */
|
2248 |
|
|
printk(KERN_INFO "audio%d: cs4231%c at %lx irq %s\n",
|
2249 |
|
|
drv->index, (cs4231_chip->status & CS_STATUS_REV_A) ? 'a' : ' ',
|
2250 |
|
|
cs4231_chip->regs, __irq_itoa(cs4231_chip->irq));
|
2251 |
|
|
|
2252 |
|
|
/* Success! */
|
2253 |
|
|
return 0;
|
2254 |
|
|
}
|
2255 |
|
|
|
2256 |
|
|
#ifdef EB4231_SUPPORT
|
2257 |
|
|
/* Attach to an cs4231 chip given its PROM node. */
|
2258 |
|
|
static int eb4231_attach(struct sparcaudio_driver *drv,
|
2259 |
|
|
struct linux_ebus_device *edev)
|
2260 |
|
|
{
|
2261 |
|
|
struct cs4231_chip *cs4231_chip;
|
2262 |
|
|
int len, err, nregs;
|
2263 |
|
|
struct linux_prom_registers regs[4];
|
2264 |
|
|
|
2265 |
|
|
/* Allocate our private information structure. */
|
2266 |
|
|
drv->private = kmalloc(sizeof(struct cs4231_chip), GFP_KERNEL);
|
2267 |
|
|
if (drv->private == NULL)
|
2268 |
|
|
return -ENOMEM;
|
2269 |
|
|
|
2270 |
|
|
/* Point at the information structure and initialize it. */
|
2271 |
|
|
drv->ops = &eb4231_ops;
|
2272 |
|
|
cs4231_chip = (struct cs4231_chip *) drv->private;
|
2273 |
|
|
cs4231_chip->input_ptr = cs4231_chip->output_ptr = NULL;
|
2274 |
|
|
cs4231_chip->input_size = cs4231_chip->output_size = 0;
|
2275 |
|
|
cs4231_chip->status = 0;
|
2276 |
|
|
|
2277 |
|
|
drv->dev = (struct sbus_dev *)edev->bus->self;
|
2278 |
|
|
|
2279 |
|
|
len = prom_getproperty(edev->prom_node, "reg", (void *)regs, sizeof(regs));
|
2280 |
|
|
if ((len % sizeof(regs[0])) != 0) {
|
2281 |
|
|
printk("eb4231: Strange reg property size %d\n", len);
|
2282 |
|
|
return -ENODEV;
|
2283 |
|
|
}
|
2284 |
|
|
|
2285 |
|
|
nregs = len / sizeof(regs[0]);
|
2286 |
|
|
cs4231_chip->regs = (unsigned long)ioremap(edev->resource[0].start, 0x10);
|
2287 |
|
|
cs4231_chip->eb2p = (unsigned long)ioremap(edev->resource[1].start, 0x10);
|
2288 |
|
|
cs4231_chip->eb2c = (unsigned long)ioremap(edev->resource[2].start, 0x10);
|
2289 |
|
|
|
2290 |
|
|
cs4231_chip->status |= CS_STATUS_IS_EBUS;
|
2291 |
|
|
|
2292 |
|
|
/* Attach the interrupt handler to the audio interrupt. */
|
2293 |
|
|
cs4231_chip->irq = edev->irqs[0];
|
2294 |
|
|
cs4231_chip->irq2 = edev->irqs[1];
|
2295 |
|
|
|
2296 |
|
|
if(request_irq(cs4231_chip->irq, eb4231_cinterrupt, SA_SHIRQ, "cs4231", drv) ||
|
2297 |
|
|
request_irq(cs4231_chip->irq2, eb4231_pinterrupt, SA_SHIRQ, "cs4231", drv))
|
2298 |
|
|
goto bail;
|
2299 |
|
|
|
2300 |
|
|
cs4231_chip->nirqs = 2;
|
2301 |
|
|
cs4231_enable_interrupts(drv);
|
2302 |
|
|
|
2303 |
|
|
/* Reset the audio chip. */
|
2304 |
|
|
cs4231_chip_reset(drv);
|
2305 |
|
|
|
2306 |
|
|
/* Register ourselves with the midlevel audio driver. */
|
2307 |
|
|
err = register_sparcaudio_driver(drv, 1);
|
2308 |
|
|
|
2309 |
|
|
if (err < 0) {
|
2310 |
|
|
bail:
|
2311 |
|
|
printk(KERN_ERR "cs4231: unable to register\n");
|
2312 |
|
|
cs4231_disable_interrupts(drv);
|
2313 |
|
|
free_irq(cs4231_chip->irq, drv);
|
2314 |
|
|
free_irq(cs4231_chip->irq2, drv);
|
2315 |
|
|
kfree(drv->private);
|
2316 |
|
|
return -EIO;
|
2317 |
|
|
}
|
2318 |
|
|
|
2319 |
|
|
cs4231_chip->perchip_info.play.active =
|
2320 |
|
|
cs4231_chip->perchip_info.play.pause = 0;
|
2321 |
|
|
|
2322 |
|
|
cs4231_chip->perchip_info.record.active =
|
2323 |
|
|
cs4231_chip->perchip_info.record.pause = 0;
|
2324 |
|
|
|
2325 |
|
|
cs4231_chip->perchip_info.play.avail_ports = (AUDIO_HEADPHONE |
|
2326 |
|
|
AUDIO_SPEAKER |
|
2327 |
|
|
AUDIO_LINE_OUT);
|
2328 |
|
|
|
2329 |
|
|
cs4231_chip->perchip_info.record.avail_ports = (AUDIO_INTERNAL_CD_IN |
|
2330 |
|
|
AUDIO_LINE_IN |
|
2331 |
|
|
AUDIO_MICROPHONE |
|
2332 |
|
|
AUDIO_ANALOG_LOOPBACK);
|
2333 |
|
|
|
2334 |
|
|
/* Announce the hardware to the user. */
|
2335 |
|
|
printk(KERN_INFO "audio%d: cs4231%c(eb2) at %lx irq %s\n",
|
2336 |
|
|
drv->index, (cs4231_chip->status & CS_STATUS_REV_A) ? 'a' : ' ',
|
2337 |
|
|
cs4231_chip->regs, __irq_itoa(cs4231_chip->irq));
|
2338 |
|
|
|
2339 |
|
|
/* Success! */
|
2340 |
|
|
return 0;
|
2341 |
|
|
}
|
2342 |
|
|
#endif
|
2343 |
|
|
|
2344 |
|
|
#ifdef EB4231_SUPPORT
|
2345 |
|
|
static int __init ebus_cs4231_p(struct linux_ebus_device *edev)
|
2346 |
|
|
{
|
2347 |
|
|
if (!strcmp(edev->prom_name, "SUNW,CS4231"))
|
2348 |
|
|
return 1;
|
2349 |
|
|
if (!strcmp(edev->prom_name, "audio")) {
|
2350 |
|
|
char compat[16];
|
2351 |
|
|
|
2352 |
|
|
prom_getstring(edev->prom_node, "compatible",
|
2353 |
|
|
compat, sizeof(compat));
|
2354 |
|
|
compat[15] = '\0';
|
2355 |
|
|
if (!strcmp(compat, "SUNW,CS4231"))
|
2356 |
|
|
return 1;
|
2357 |
|
|
}
|
2358 |
|
|
|
2359 |
|
|
return 0;
|
2360 |
|
|
}
|
2361 |
|
|
#endif
|
2362 |
|
|
|
2363 |
|
|
/* Detach from an cs4231 chip given the device structure. */
|
2364 |
|
|
static void __exit cs4231_detach(struct sparcaudio_driver *drv)
|
2365 |
|
|
{
|
2366 |
|
|
struct cs4231_chip *cs4231_chip = (struct cs4231_chip *) drv->private;
|
2367 |
|
|
|
2368 |
|
|
cs4231_disable_interrupts(drv);
|
2369 |
|
|
unregister_sparcaudio_driver(drv, 1);
|
2370 |
|
|
free_irq(cs4231_chip->irq, drv);
|
2371 |
|
|
if (!(cs4231_chip->status & CS_STATUS_IS_EBUS)) {
|
2372 |
|
|
sbus_iounmap(cs4231_chip->regs, cs4231_chip->regs_size);
|
2373 |
|
|
} else {
|
2374 |
|
|
#ifdef EB4231_SUPPORT
|
2375 |
|
|
iounmap(cs4231_chip->regs);
|
2376 |
|
|
iounmap(cs4231_chip->eb2p);
|
2377 |
|
|
iounmap(cs4231_chip->eb2c);
|
2378 |
|
|
free_irq(cs4231_chip->irq2, drv);
|
2379 |
|
|
#endif
|
2380 |
|
|
}
|
2381 |
|
|
kfree(drv->private);
|
2382 |
|
|
}
|
2383 |
|
|
|
2384 |
|
|
|
2385 |
|
|
/* Probe for the cs4231 chip and then attach the driver. */
|
2386 |
|
|
static int __init cs4231_init(void)
|
2387 |
|
|
{
|
2388 |
|
|
struct sbus_bus *sbus;
|
2389 |
|
|
struct sbus_dev *sdev;
|
2390 |
|
|
#ifdef EB4231_SUPPORT
|
2391 |
|
|
struct linux_ebus *ebus;
|
2392 |
|
|
struct linux_ebus_device *edev;
|
2393 |
|
|
#endif
|
2394 |
|
|
|
2395 |
|
|
num_drivers = 0;
|
2396 |
|
|
|
2397 |
|
|
/* Probe each SBUS for cs4231 chips. */
|
2398 |
|
|
for_all_sbusdev(sdev, sbus) {
|
2399 |
|
|
if (!strcmp(sdev->prom_name, "SUNW,CS4231")) {
|
2400 |
|
|
/* Don't go over the max number of drivers. */
|
2401 |
|
|
if (num_drivers >= MAX_DRIVERS)
|
2402 |
|
|
continue;
|
2403 |
|
|
|
2404 |
|
|
if (cs4231_attach(&drivers[num_drivers], sdev) == 0)
|
2405 |
|
|
num_drivers++;
|
2406 |
|
|
}
|
2407 |
|
|
}
|
2408 |
|
|
|
2409 |
|
|
#ifdef EB4231_SUPPORT
|
2410 |
|
|
for_each_ebus(ebus) {
|
2411 |
|
|
for_each_ebusdev(edev, ebus) {
|
2412 |
|
|
if (ebus_cs4231_p(edev)) {
|
2413 |
|
|
/* Don't go over the max number of drivers. */
|
2414 |
|
|
if (num_drivers >= MAX_DRIVERS)
|
2415 |
|
|
continue;
|
2416 |
|
|
|
2417 |
|
|
if (eb4231_attach(&drivers[num_drivers], edev) == 0)
|
2418 |
|
|
num_drivers++;
|
2419 |
|
|
}
|
2420 |
|
|
}
|
2421 |
|
|
}
|
2422 |
|
|
#endif
|
2423 |
|
|
|
2424 |
|
|
/* Only return success if we found some cs4231 chips. */
|
2425 |
|
|
return (num_drivers > 0) ? 0 : -EIO;
|
2426 |
|
|
}
|
2427 |
|
|
|
2428 |
|
|
static void __exit cs4231_exit(void)
|
2429 |
|
|
{
|
2430 |
|
|
register int i;
|
2431 |
|
|
|
2432 |
|
|
for (i = 0; i < num_drivers; i++) {
|
2433 |
|
|
cs4231_detach(&drivers[i]);
|
2434 |
|
|
num_drivers--;
|
2435 |
|
|
}
|
2436 |
|
|
}
|
2437 |
|
|
|
2438 |
|
|
module_init(cs4231_init);
|
2439 |
|
|
module_exit(cs4231_exit);
|
2440 |
|
|
MODULE_LICENSE("GPL");
|
2441 |
|
|
/*
|
2442 |
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
2443 |
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
2444 |
|
|
* adjust the settings for this buffer only. This must remain at the end
|
2445 |
|
|
* of the file.
|
2446 |
|
|
* ---------------------------------------------------------------------------
|
2447 |
|
|
* Local variables:
|
2448 |
|
|
* c-indent-level: 4
|
2449 |
|
|
* c-brace-imaginary-offset: 0
|
2450 |
|
|
* c-brace-offset: -4
|
2451 |
|
|
* c-argdecl-indent: 4
|
2452 |
|
|
* c-label-offset: -4
|
2453 |
|
|
* c-continued-statement-offset: 4
|
2454 |
|
|
* c-continued-brace-offset: 0
|
2455 |
|
|
* indent-tabs-mode: nil
|
2456 |
|
|
* tab-width: 8
|
2457 |
|
|
* End:
|
2458 |
|
|
*/
|