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-rw-r--r--sound/oss/opl3sa.c329
1 files changed, 0 insertions, 329 deletions
diff --git a/sound/oss/opl3sa.c b/sound/oss/opl3sa.c
deleted file mode 100644
index 2535ed0b5fbf..000000000000
--- a/sound/oss/opl3sa.c
+++ /dev/null
@@ -1,329 +0,0 @@
-/*
- * sound/oss/opl3sa.c
- *
- * Low level driver for Yamaha YMF701B aka OPL3-SA chip
- *
- *
- *
- * Copyright (C) by Hannu Savolainen 1993-1997
- *
- * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
- * Version 2 (June 1991). See the "COPYING" file distributed with this software
- * for more info.
- *
- * Changes:
- * Alan Cox Modularisation
- * Christoph Hellwig Adapted to module_init/module_exit
- * Arnaldo C. de Melo got rid of attach_uart401
- *
- * FIXME:
- * Check for install of mpu etc is wrong, should check result of the mss stuff
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-
-#undef SB_OK
-
-#include "sound_config.h"
-
-#include "ad1848.h"
-#include "mpu401.h"
-
-#ifdef SB_OK
-#include "sb.h"
-static int sb_initialized;
-#endif
-
-static DEFINE_SPINLOCK(lock);
-
-static unsigned char opl3sa_read(int addr)
-{
- unsigned long flags;
- unsigned char tmp;
-
- spin_lock_irqsave(&lock,flags);
- outb((0x1d), 0xf86); /* password */
- outb(((unsigned char) addr), 0xf86); /* address */
- tmp = inb(0xf87); /* data */
- spin_unlock_irqrestore(&lock,flags);
-
- return tmp;
-}
-
-static void opl3sa_write(int addr, int data)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&lock,flags);
- outb((0x1d), 0xf86); /* password */
- outb(((unsigned char) addr), 0xf86); /* address */
- outb(((unsigned char) data), 0xf87); /* data */
- spin_unlock_irqrestore(&lock,flags);
-}
-
-static int __init opl3sa_detect(void)
-{
- int tmp;
-
- if (((tmp = opl3sa_read(0x01)) & 0xc4) != 0x04)
- {
- DDB(printk("OPL3-SA detect error 1 (%x)\n", opl3sa_read(0x01)));
- /* return 0; */
- }
-
- /*
- * Check that the password feature has any effect
- */
-
- if (inb(0xf87) == tmp)
- {
- DDB(printk("OPL3-SA detect failed 2 (%x/%x)\n", tmp, inb(0xf87)));
- return 0;
- }
- tmp = (opl3sa_read(0x04) & 0xe0) >> 5;
-
- if (tmp != 0 && tmp != 1)
- {
- DDB(printk("OPL3-SA detect failed 3 (%d)\n", tmp));
- return 0;
- }
- DDB(printk("OPL3-SA mode %x detected\n", tmp));
-
- opl3sa_write(0x01, 0x00); /* Disable MSS */
- opl3sa_write(0x02, 0x00); /* Disable SB */
- opl3sa_write(0x03, 0x00); /* Disable MPU */
-
- return 1;
-}
-
-/*
- * Probe and attach routines for the Windows Sound System mode of
- * OPL3-SA
- */
-
-static int __init probe_opl3sa_wss(struct address_info *hw_config, struct resource *ports)
-{
- unsigned char tmp = 0x24; /* WSS enable */
-
- /*
- * Check if the IO port returns valid signature. The original MS Sound
- * system returns 0x04 while some cards (OPL3-SA for example)
- * return 0x00.
- */
-
- if (!opl3sa_detect())
- {
- printk(KERN_ERR "OSS: OPL3-SA chip not found\n");
- return 0;
- }
-
- switch (hw_config->io_base)
- {
- case 0x530:
- tmp |= 0x00;
- break;
- case 0xe80:
- tmp |= 0x08;
- break;
- case 0xf40:
- tmp |= 0x10;
- break;
- case 0x604:
- tmp |= 0x18;
- break;
- default:
- printk(KERN_ERR "OSS: Unsupported OPL3-SA/WSS base %x\n", hw_config->io_base);
- return 0;
- }
-
- opl3sa_write(0x01, tmp); /* WSS setup register */
-
- return probe_ms_sound(hw_config, ports);
-}
-
-static void __init attach_opl3sa_wss(struct address_info *hw_config, struct resource *ports)
-{
- int nm = num_mixers;
-
- /* FIXME */
- attach_ms_sound(hw_config, ports, THIS_MODULE);
- if (num_mixers > nm) /* A mixer was installed */
- {
- AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_CD);
- AD1848_REROUTE(SOUND_MIXER_LINE2, SOUND_MIXER_SYNTH);
- AD1848_REROUTE(SOUND_MIXER_LINE3, SOUND_MIXER_LINE);
- }
-}
-
-
-static int __init probe_opl3sa_mpu(struct address_info *hw_config)
-{
- unsigned char conf;
- static signed char irq_bits[] = {
- -1, -1, -1, -1, -1, 1, -1, 2, -1, 3, 4
- };
-
- if (hw_config->irq > 10)
- {
- printk(KERN_ERR "OPL3-SA: Bad MPU IRQ %d\n", hw_config->irq);
- return 0;
- }
- if (irq_bits[hw_config->irq] == -1)
- {
- printk(KERN_ERR "OPL3-SA: Bad MPU IRQ %d\n", hw_config->irq);
- return 0;
- }
- switch (hw_config->io_base)
- {
- case 0x330:
- conf = 0x00;
- break;
- case 0x332:
- conf = 0x20;
- break;
- case 0x334:
- conf = 0x40;
- break;
- case 0x300:
- conf = 0x60;
- break;
- default:
- return 0; /* Invalid port */
- }
-
- conf |= 0x83; /* MPU & OPL3 (synth) & game port enable */
- conf |= irq_bits[hw_config->irq] << 2;
-
- opl3sa_write(0x03, conf);
-
- hw_config->name = "OPL3-SA (MPU401)";
-
- return probe_uart401(hw_config, THIS_MODULE);
-}
-
-static void __exit unload_opl3sa_wss(struct address_info *hw_config)
-{
- int dma2 = hw_config->dma2;
-
- if (dma2 == -1)
- dma2 = hw_config->dma;
-
- release_region(0xf86, 2);
- release_region(hw_config->io_base, 4);
-
- ad1848_unload(hw_config->io_base + 4,
- hw_config->irq,
- hw_config->dma,
- dma2,
- 0);
- sound_unload_audiodev(hw_config->slots[0]);
-}
-
-static inline void __exit unload_opl3sa_mpu(struct address_info *hw_config)
-{
- unload_uart401(hw_config);
-}
-
-#ifdef SB_OK
-static inline void __exit unload_opl3sa_sb(struct address_info *hw_config)
-{
- sb_dsp_unload(hw_config);
-}
-#endif
-
-static int found_mpu;
-
-static struct address_info cfg;
-static struct address_info cfg_mpu;
-
-static int __initdata io = -1;
-static int __initdata irq = -1;
-static int __initdata dma = -1;
-static int __initdata dma2 = -1;
-static int __initdata mpu_io = -1;
-static int __initdata mpu_irq = -1;
-
-module_param(io, int, 0);
-module_param(irq, int, 0);
-module_param(dma, int, 0);
-module_param(dma2, int, 0);
-module_param(mpu_io, int, 0);
-module_param(mpu_irq, int, 0);
-
-static int __init init_opl3sa(void)
-{
- struct resource *ports;
- if (io == -1 || irq == -1 || dma == -1) {
- printk(KERN_ERR "opl3sa: dma, irq and io must be set.\n");
- return -EINVAL;
- }
-
- cfg.io_base = io;
- cfg.irq = irq;
- cfg.dma = dma;
- cfg.dma2 = dma2;
-
- cfg_mpu.io_base = mpu_io;
- cfg_mpu.irq = mpu_irq;
-
- ports = request_region(io + 4, 4, "ad1848");
- if (!ports)
- return -EBUSY;
-
- if (!request_region(0xf86, 2, "OPL3-SA"))/* Control port is busy */ {
- release_region(io + 4, 4);
- return 0;
- }
-
- if (!request_region(io, 4, "WSS config")) {
- release_region(0x86, 2);
- release_region(io + 4, 4);
- return 0;
- }
-
- if (probe_opl3sa_wss(&cfg, ports) == 0) {
- release_region(0xf86, 2);
- release_region(io, 4);
- release_region(io + 4, 4);
- return -ENODEV;
- }
-
- found_mpu=probe_opl3sa_mpu(&cfg_mpu);
-
- attach_opl3sa_wss(&cfg, ports);
- return 0;
-}
-
-static void __exit cleanup_opl3sa(void)
-{
- if(found_mpu)
- unload_opl3sa_mpu(&cfg_mpu);
- unload_opl3sa_wss(&cfg);
-}
-
-module_init(init_opl3sa);
-module_exit(cleanup_opl3sa);
-
-#ifndef MODULE
-static int __init setup_opl3sa(char *str)
-{
- /* io, irq, dma, dma2, mpu_io, mpu_irq */
- int ints[7];
-
- str = get_options(str, ARRAY_SIZE(ints), ints);
-
- io = ints[1];
- irq = ints[2];
- dma = ints[3];
- dma2 = ints[4];
- mpu_io = ints[5];
- mpu_irq = ints[6];
-
- return 1;
-}
-
-__setup("opl3sa=", setup_opl3sa);
-#endif
-MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.