diff options
Diffstat (limited to 'sound/oss/opl3sa.c')
-rw-r--r-- | sound/oss/opl3sa.c | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/sound/oss/opl3sa.c b/sound/oss/opl3sa.c deleted file mode 100644 index fe4907c6e8fc..000000000000 --- a/sound/oss/opl3sa.c +++ /dev/null @@ -1,329 +0,0 @@ -/* - * sound/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"); |