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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f30c226954
Many files include the filename at the beginning, serveral used a wrong one. Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
526 lines
11 KiB
C
526 lines
11 KiB
C
/*
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* sound/oss/trix.c
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*
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* Low level driver for the MediaTrix AudioTrix Pro
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* (MT-0002-PC Control Chip)
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*
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*
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* Copyright (C) by Hannu Savolainen 1993-1997
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*
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* OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
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* Version 2 (June 1991). See the "COPYING" file distributed with this software
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* for more info.
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*
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* Changes
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* Alan Cox Modularisation, cleanup.
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* Christoph Hellwig Adapted to module_init/module_exit
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* Arnaldo C. de Melo Got rid of attach_uart401
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include "sound_config.h"
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#include "sb.h"
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#include "sound_firmware.h"
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#include "ad1848.h"
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#include "mpu401.h"
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#include "trix_boot.h"
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static int mpu;
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static int joystick;
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static unsigned char trix_read(int addr)
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{
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outb(((unsigned char) addr), 0x390); /* MT-0002-PC ASIC address */
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return inb(0x391); /* MT-0002-PC ASIC data */
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}
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static void trix_write(int addr, int data)
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{
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outb(((unsigned char) addr), 0x390); /* MT-0002-PC ASIC address */
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outb(((unsigned char) data), 0x391); /* MT-0002-PC ASIC data */
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}
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static void download_boot(int base)
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{
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int i = 0, n = trix_boot_len;
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if (trix_boot_len == 0)
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return;
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trix_write(0xf8, 0x00); /* ??????? */
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outb((0x01), base + 6); /* Clear the internal data pointer */
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outb((0x00), base + 6); /* Restart */
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/*
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* Write the boot code to the RAM upload/download register.
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* Each write increments the internal data pointer.
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*/
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outb((0x01), base + 6); /* Clear the internal data pointer */
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outb((0x1A), 0x390); /* Select RAM download/upload port */
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for (i = 0; i < n; i++)
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outb((trix_boot[i]), 0x391);
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for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */
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outb((0x00), 0x391);
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outb((0x00), base + 6); /* Reset */
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outb((0x50), 0x390); /* ?????? */
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}
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static int trix_set_wss_port(struct address_info *hw_config)
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{
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unsigned char addr_bits;
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if (trix_read(0x15) != 0x71) /* No ASIC signature */
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{
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MDB(printk(KERN_ERR "No AudioTrix ASIC signature found\n"));
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return 0;
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}
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/*
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* Reset some registers.
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*/
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trix_write(0x13, 0);
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trix_write(0x14, 0);
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/*
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* Configure the ASIC to place the codec to the proper I/O location
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*/
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switch (hw_config->io_base)
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{
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case 0x530:
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addr_bits = 0;
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break;
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case 0x604:
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addr_bits = 1;
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break;
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case 0xE80:
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addr_bits = 2;
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break;
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case 0xF40:
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addr_bits = 3;
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break;
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default:
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return 0;
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}
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trix_write(0x19, (trix_read(0x19) & 0x03) | addr_bits);
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return 1;
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}
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/*
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* Probe and attach routines for the Windows Sound System mode of
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* AudioTrix Pro
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*/
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static int __init init_trix_wss(struct address_info *hw_config)
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{
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static unsigned char dma_bits[4] = {
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1, 2, 0, 3
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};
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struct resource *ports;
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int config_port = hw_config->io_base + 0;
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int dma1 = hw_config->dma, dma2 = hw_config->dma2;
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int old_num_mixers = num_mixers;
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u8 config, bits;
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int ret;
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switch(hw_config->irq) {
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case 7:
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bits = 8;
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break;
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case 9:
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bits = 0x10;
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break;
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case 10:
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bits = 0x18;
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break;
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case 11:
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bits = 0x20;
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break;
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default:
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printk(KERN_ERR "AudioTrix: Bad WSS IRQ %d\n", hw_config->irq);
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return 0;
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}
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switch (dma1) {
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case 0:
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case 1:
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case 3:
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break;
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default:
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printk(KERN_ERR "AudioTrix: Bad WSS DMA %d\n", dma1);
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return 0;
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}
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switch (dma2) {
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case -1:
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case 0:
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case 1:
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case 3:
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break;
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default:
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printk(KERN_ERR "AudioTrix: Bad capture DMA %d\n", dma2);
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return 0;
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}
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/*
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* Check if the IO port returns valid signature. The original MS Sound
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* system returns 0x04 while some cards (AudioTrix Pro for example)
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* return 0x00.
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*/
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ports = request_region(hw_config->io_base + 4, 4, "ad1848");
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if (!ports) {
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printk(KERN_ERR "AudioTrix: MSS I/O port conflict (%x)\n", hw_config->io_base);
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return 0;
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}
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if (!request_region(hw_config->io_base, 4, "MSS config")) {
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printk(KERN_ERR "AudioTrix: MSS I/O port conflict (%x)\n", hw_config->io_base);
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release_region(hw_config->io_base + 4, 4);
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return 0;
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}
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if (!trix_set_wss_port(hw_config))
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goto fail;
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config = inb(hw_config->io_base + 3);
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if ((config & 0x3f) != 0x00)
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{
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MDB(printk(KERN_ERR "No MSS signature detected on port 0x%x\n", hw_config->io_base));
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goto fail;
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}
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/*
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* Check that DMA0 is not in use with a 8 bit board.
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*/
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if (dma1 == 0 && config & 0x80)
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{
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printk(KERN_ERR "AudioTrix: Can't use DMA0 with a 8 bit card slot\n");
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goto fail;
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}
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if (hw_config->irq > 9 && config & 0x80)
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{
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printk(KERN_ERR "AudioTrix: Can't use IRQ%d with a 8 bit card slot\n", hw_config->irq);
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goto fail;
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}
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ret = ad1848_detect(ports, NULL, hw_config->osp);
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if (!ret)
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goto fail;
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if (joystick==1)
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trix_write(0x15, 0x80);
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/*
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* Set the IRQ and DMA addresses.
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*/
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outb((bits | 0x40), config_port);
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if (dma2 == -1 || dma2 == dma1)
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{
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bits |= dma_bits[dma1];
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dma2 = dma1;
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}
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else
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{
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unsigned char tmp;
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tmp = trix_read(0x13) & ~30;
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trix_write(0x13, tmp | 0x80 | (dma1 << 4));
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tmp = trix_read(0x14) & ~30;
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trix_write(0x14, tmp | 0x80 | (dma2 << 4));
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}
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outb((bits), config_port); /* Write IRQ+DMA setup */
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hw_config->slots[0] = ad1848_init("AudioTrix Pro", ports,
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hw_config->irq,
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dma1,
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dma2,
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0,
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hw_config->osp,
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THIS_MODULE);
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if (num_mixers > old_num_mixers) /* Mixer got installed */
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{
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AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE); /* Line in */
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AD1848_REROUTE(SOUND_MIXER_LINE2, SOUND_MIXER_CD);
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AD1848_REROUTE(SOUND_MIXER_LINE3, SOUND_MIXER_SYNTH); /* OPL4 */
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AD1848_REROUTE(SOUND_MIXER_SPEAKER, SOUND_MIXER_ALTPCM); /* SB */
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}
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return 1;
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fail:
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release_region(hw_config->io_base, 4);
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release_region(hw_config->io_base + 4, 4);
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return 0;
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}
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static int __init probe_trix_sb(struct address_info *hw_config)
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{
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int tmp;
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unsigned char conf;
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extern int sb_be_quiet;
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int old_quiet;
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static signed char irq_translate[] = {
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-1, -1, -1, 0, 1, 2, -1, 3
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};
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if (trix_boot_len == 0)
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return 0; /* No boot code -> no fun */
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if ((hw_config->io_base & 0xffffff8f) != 0x200)
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return 0;
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tmp = hw_config->irq;
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if (tmp > 7)
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return 0;
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if (irq_translate[tmp] == -1)
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return 0;
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tmp = hw_config->dma;
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if (tmp != 1 && tmp != 3)
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return 0;
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if (!request_region(hw_config->io_base, 16, "soundblaster")) {
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printk(KERN_ERR "AudioTrix: SB I/O port conflict (%x)\n", hw_config->io_base);
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return 0;
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}
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conf = 0x84; /* DMA and IRQ enable */
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conf |= hw_config->io_base & 0x70; /* I/O address bits */
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conf |= irq_translate[hw_config->irq];
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if (hw_config->dma == 3)
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conf |= 0x08;
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trix_write(0x1b, conf);
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download_boot(hw_config->io_base);
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hw_config->name = "AudioTrix SB";
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if (!sb_dsp_detect(hw_config, 0, 0, NULL)) {
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release_region(hw_config->io_base, 16);
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return 0;
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}
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hw_config->driver_use_1 = SB_NO_MIDI | SB_NO_MIXER | SB_NO_RECORDING;
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/* Prevent false alarms */
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old_quiet = sb_be_quiet;
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sb_be_quiet = 1;
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sb_dsp_init(hw_config, THIS_MODULE);
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sb_be_quiet = old_quiet;
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return 1;
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}
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static int __init probe_trix_mpu(struct address_info *hw_config)
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{
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unsigned char conf;
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static int irq_bits[] = {
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-1, -1, -1, 1, 2, 3, -1, 4, -1, 5
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};
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if (hw_config->irq > 9)
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{
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printk(KERN_ERR "AudioTrix: Bad MPU IRQ %d\n", hw_config->irq);
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return 0;
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}
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if (irq_bits[hw_config->irq] == -1)
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{
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printk(KERN_ERR "AudioTrix: Bad MPU IRQ %d\n", hw_config->irq);
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return 0;
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}
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switch (hw_config->io_base)
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{
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case 0x330:
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conf = 0x00;
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break;
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case 0x370:
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conf = 0x04;
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break;
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case 0x3b0:
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conf = 0x08;
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break;
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case 0x3f0:
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conf = 0x0c;
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break;
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default:
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return 0; /* Invalid port */
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}
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conf |= irq_bits[hw_config->irq] << 4;
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trix_write(0x19, (trix_read(0x19) & 0x83) | conf);
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hw_config->name = "AudioTrix Pro";
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return probe_uart401(hw_config, THIS_MODULE);
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}
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static void __exit unload_trix_wss(struct address_info *hw_config)
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{
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int dma2 = hw_config->dma2;
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if (dma2 == -1)
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dma2 = hw_config->dma;
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release_region(0x390, 2);
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release_region(hw_config->io_base, 4);
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ad1848_unload(hw_config->io_base + 4,
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hw_config->irq,
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hw_config->dma,
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dma2,
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0);
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sound_unload_audiodev(hw_config->slots[0]);
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}
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static inline void __exit unload_trix_mpu(struct address_info *hw_config)
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{
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unload_uart401(hw_config);
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}
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static inline void __exit unload_trix_sb(struct address_info *hw_config)
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{
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sb_dsp_unload(hw_config, mpu);
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}
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static struct address_info cfg;
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static struct address_info cfg2;
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static struct address_info cfg_mpu;
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static int sb;
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static int fw_load;
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static int __initdata io = -1;
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static int __initdata irq = -1;
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static int __initdata dma = -1;
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static int __initdata dma2 = -1; /* Set this for modules that need it */
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static int __initdata sb_io = -1;
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static int __initdata sb_dma = -1;
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static int __initdata sb_irq = -1;
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static int __initdata mpu_io = -1;
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static int __initdata mpu_irq = -1;
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module_param(io, int, 0);
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module_param(irq, int, 0);
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module_param(dma, int, 0);
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module_param(dma2, int, 0);
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module_param(sb_io, int, 0);
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module_param(sb_dma, int, 0);
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module_param(sb_irq, int, 0);
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module_param(mpu_io, int, 0);
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module_param(mpu_irq, int, 0);
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module_param(joystick, bool, 0);
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static int __init init_trix(void)
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{
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printk(KERN_INFO "MediaTrix audio driver Copyright (C) by Hannu Savolainen 1993-1996\n");
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cfg.io_base = io;
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cfg.irq = irq;
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cfg.dma = dma;
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cfg.dma2 = dma2;
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cfg2.io_base = sb_io;
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cfg2.irq = sb_irq;
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cfg2.dma = sb_dma;
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cfg_mpu.io_base = mpu_io;
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cfg_mpu.irq = mpu_irq;
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if (cfg.io_base == -1 || cfg.dma == -1 || cfg.irq == -1) {
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printk(KERN_INFO "I/O, IRQ, DMA and type are mandatory\n");
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return -EINVAL;
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}
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if (cfg2.io_base != -1 && (cfg2.irq == -1 || cfg2.dma == -1)) {
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printk(KERN_INFO "CONFIG_SB_IRQ and CONFIG_SB_DMA must be specified if SB_IO is set.\n");
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return -EINVAL;
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}
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if (cfg_mpu.io_base != -1 && cfg_mpu.irq == -1) {
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printk(KERN_INFO "CONFIG_MPU_IRQ must be specified if MPU_IO is set.\n");
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return -EINVAL;
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}
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if (!trix_boot)
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{
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fw_load = 1;
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trix_boot_len = mod_firmware_load("/etc/sound/trxpro.bin",
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(char **) &trix_boot);
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}
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if (!request_region(0x390, 2, "AudioTrix")) {
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printk(KERN_ERR "AudioTrix: Config port I/O conflict\n");
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return -ENODEV;
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}
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if (!init_trix_wss(&cfg)) {
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release_region(0x390, 2);
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return -ENODEV;
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}
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/*
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* We must attach in the right order to get the firmware
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* loaded up in time.
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*/
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if (cfg2.io_base != -1) {
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sb = probe_trix_sb(&cfg2);
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}
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if (cfg_mpu.io_base != -1)
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mpu = probe_trix_mpu(&cfg_mpu);
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return 0;
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}
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static void __exit cleanup_trix(void)
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{
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if (fw_load && trix_boot)
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vfree(trix_boot);
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if (sb)
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unload_trix_sb(&cfg2);
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if (mpu)
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unload_trix_mpu(&cfg_mpu);
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unload_trix_wss(&cfg);
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}
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module_init(init_trix);
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module_exit(cleanup_trix);
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#ifndef MODULE
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static int __init setup_trix (char *str)
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{
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/* io, irq, dma, dma2, sb_io, sb_irq, sb_dma, mpu_io, mpu_irq */
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int ints[9];
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str = get_options(str, ARRAY_SIZE(ints), ints);
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io = ints[1];
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irq = ints[2];
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dma = ints[3];
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dma2 = ints[4];
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sb_io = ints[5];
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sb_irq = ints[6];
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sb_dma = ints[6];
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mpu_io = ints[7];
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mpu_irq = ints[8];
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return 1;
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}
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__setup("trix=", setup_trix);
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#endif
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MODULE_LICENSE("GPL");
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