diff options
Diffstat (limited to 'kernel/sound/oss/trix.c')
| -rw-r--r-- | kernel/sound/oss/trix.c | 525 |
1 files changed, 525 insertions, 0 deletions
diff --git a/kernel/sound/oss/trix.c b/kernel/sound/oss/trix.c new file mode 100644 index 000000000..3c494dc93 --- /dev/null +++ b/kernel/sound/oss/trix.c @@ -0,0 +1,525 @@ +/* + * sound/oss/trix.c + * + * Low level driver for the MediaTrix AudioTrix Pro + * (MT-0002-PC Control 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, cleanup. + * Christoph Hellwig Adapted to module_init/module_exit + * Arnaldo C. de Melo Got rid of attach_uart401 + */ + +#include <linux/init.h> +#include <linux/module.h> + +#include "sound_config.h" +#include "sb.h" +#include "sound_firmware.h" + +#include "ad1848.h" +#include "mpu401.h" + +#include "trix_boot.h" + +static int mpu; + +static bool joystick; + +static unsigned char trix_read(int addr) +{ + outb(((unsigned char) addr), 0x390); /* MT-0002-PC ASIC address */ + return inb(0x391); /* MT-0002-PC ASIC data */ +} + +static void trix_write(int addr, int data) +{ + outb(((unsigned char) addr), 0x390); /* MT-0002-PC ASIC address */ + outb(((unsigned char) data), 0x391); /* MT-0002-PC ASIC data */ +} + +static void download_boot(int base) +{ + int i = 0, n = trix_boot_len; + + if (trix_boot_len == 0) + return; + + trix_write(0xf8, 0x00); /* ??????? */ + outb((0x01), base + 6); /* Clear the internal data pointer */ + outb((0x00), base + 6); /* Restart */ + + /* + * Write the boot code to the RAM upload/download register. + * Each write increments the internal data pointer. + */ + outb((0x01), base + 6); /* Clear the internal data pointer */ + outb((0x1A), 0x390); /* Select RAM download/upload port */ + + for (i = 0; i < n; i++) + outb((trix_boot[i]), 0x391); + for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */ + outb((0x00), 0x391); + outb((0x00), base + 6); /* Reset */ + outb((0x50), 0x390); /* ?????? */ + +} + +static int trix_set_wss_port(struct address_info *hw_config) +{ + unsigned char addr_bits; + + if (trix_read(0x15) != 0x71) /* No ASIC signature */ + { + MDB(printk(KERN_ERR "No AudioTrix ASIC signature found\n")); + return 0; + } + + /* + * Reset some registers. + */ + + trix_write(0x13, 0); + trix_write(0x14, 0); + + /* + * Configure the ASIC to place the codec to the proper I/O location + */ + + switch (hw_config->io_base) + { + case 0x530: + addr_bits = 0; + break; + case 0x604: + addr_bits = 1; + break; + case 0xE80: + addr_bits = 2; + break; + case 0xF40: + addr_bits = 3; + break; + default: + return 0; + } + + trix_write(0x19, (trix_read(0x19) & 0x03) | addr_bits); + return 1; +} + +/* + * Probe and attach routines for the Windows Sound System mode of + * AudioTrix Pro + */ + +static int __init init_trix_wss(struct address_info *hw_config) +{ + static unsigned char dma_bits[4] = { + 1, 2, 0, 3 + }; + struct resource *ports; + int config_port = hw_config->io_base + 0; + int dma1 = hw_config->dma, dma2 = hw_config->dma2; + int old_num_mixers = num_mixers; + u8 config, bits; + int ret; + + switch(hw_config->irq) { + case 7: + bits = 8; + break; + case 9: + bits = 0x10; + break; + case 10: + bits = 0x18; + break; + case 11: + bits = 0x20; + break; + default: + printk(KERN_ERR "AudioTrix: Bad WSS IRQ %d\n", hw_config->irq); + return 0; + } + + switch (dma1) { + case 0: + case 1: + case 3: + break; + default: + printk(KERN_ERR "AudioTrix: Bad WSS DMA %d\n", dma1); + return 0; + } + + switch (dma2) { + case -1: + case 0: + case 1: + case 3: + break; + default: + printk(KERN_ERR "AudioTrix: Bad capture DMA %d\n", dma2); + return 0; + } + + /* + * Check if the IO port returns valid signature. The original MS Sound + * system returns 0x04 while some cards (AudioTrix Pro for example) + * return 0x00. + */ + ports = request_region(hw_config->io_base + 4, 4, "ad1848"); + if (!ports) { + printk(KERN_ERR "AudioTrix: MSS I/O port conflict (%x)\n", hw_config->io_base); + return 0; + } + + if (!request_region(hw_config->io_base, 4, "MSS config")) { + printk(KERN_ERR "AudioTrix: MSS I/O port conflict (%x)\n", hw_config->io_base); + release_region(hw_config->io_base + 4, 4); + return 0; + } + + if (!trix_set_wss_port(hw_config)) + goto fail; + + config = inb(hw_config->io_base + 3); + + if ((config & 0x3f) != 0x00) + { + MDB(printk(KERN_ERR "No MSS signature detected on port 0x%x\n", hw_config->io_base)); + goto fail; + } + + /* + * Check that DMA0 is not in use with a 8 bit board. + */ + + if (dma1 == 0 && config & 0x80) + { + printk(KERN_ERR "AudioTrix: Can't use DMA0 with a 8 bit card slot\n"); + goto fail; + } + if (hw_config->irq > 9 && config & 0x80) + { + printk(KERN_ERR "AudioTrix: Can't use IRQ%d with a 8 bit card slot\n", hw_config->irq); + goto fail; + } + + ret = ad1848_detect(ports, NULL, hw_config->osp); + if (!ret) + goto fail; + + if (joystick==1) + trix_write(0x15, 0x80); + + /* + * Set the IRQ and DMA addresses. + */ + + outb((bits | 0x40), config_port); + + if (dma2 == -1 || dma2 == dma1) + { + bits |= dma_bits[dma1]; + dma2 = dma1; + } + else + { + unsigned char tmp; + + tmp = trix_read(0x13) & ~30; + trix_write(0x13, tmp | 0x80 | (dma1 << 4)); + + tmp = trix_read(0x14) & ~30; + trix_write(0x14, tmp | 0x80 | (dma2 << 4)); + } + + outb((bits), config_port); /* Write IRQ+DMA setup */ + + hw_config->slots[0] = ad1848_init("AudioTrix Pro", ports, + hw_config->irq, + dma1, + dma2, + 0, + hw_config->osp, + THIS_MODULE); + + if (num_mixers > old_num_mixers) /* Mixer got installed */ + { + AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE); /* Line in */ + AD1848_REROUTE(SOUND_MIXER_LINE2, SOUND_MIXER_CD); + AD1848_REROUTE(SOUND_MIXER_LINE3, SOUND_MIXER_SYNTH); /* OPL4 */ + AD1848_REROUTE(SOUND_MIXER_SPEAKER, SOUND_MIXER_ALTPCM); /* SB */ + } + return 1; + +fail: + release_region(hw_config->io_base, 4); + release_region(hw_config->io_base + 4, 4); + return 0; +} + +static int __init probe_trix_sb(struct address_info *hw_config) +{ + + int tmp; + unsigned char conf; + extern int sb_be_quiet; + int old_quiet; + static signed char irq_translate[] = { + -1, -1, -1, 0, 1, 2, -1, 3 + }; + + if (trix_boot_len == 0) + return 0; /* No boot code -> no fun */ + + if ((hw_config->io_base & 0xffffff8f) != 0x200) + return 0; + + tmp = hw_config->irq; + if (tmp > 7) + return 0; + if (irq_translate[tmp] == -1) + return 0; + + tmp = hw_config->dma; + if (tmp != 1 && tmp != 3) + return 0; + + if (!request_region(hw_config->io_base, 16, "soundblaster")) { + printk(KERN_ERR "AudioTrix: SB I/O port conflict (%x)\n", hw_config->io_base); + return 0; + } + + conf = 0x84; /* DMA and IRQ enable */ + conf |= hw_config->io_base & 0x70; /* I/O address bits */ + conf |= irq_translate[hw_config->irq]; + if (hw_config->dma == 3) + conf |= 0x08; + trix_write(0x1b, conf); + + download_boot(hw_config->io_base); + + hw_config->name = "AudioTrix SB"; + if (!sb_dsp_detect(hw_config, 0, 0, NULL)) { + release_region(hw_config->io_base, 16); + return 0; + } + + hw_config->driver_use_1 = SB_NO_MIDI | SB_NO_MIXER | SB_NO_RECORDING; + + /* Prevent false alarms */ + old_quiet = sb_be_quiet; + sb_be_quiet = 1; + + sb_dsp_init(hw_config, THIS_MODULE); + + sb_be_quiet = old_quiet; + return 1; +} + +static int __init probe_trix_mpu(struct address_info *hw_config) +{ + unsigned char conf; + static int irq_bits[] = { + -1, -1, -1, 1, 2, 3, -1, 4, -1, 5 + }; + + if (hw_config->irq > 9) + { + printk(KERN_ERR "AudioTrix: Bad MPU IRQ %d\n", hw_config->irq); + return 0; + } + if (irq_bits[hw_config->irq] == -1) + { + printk(KERN_ERR "AudioTrix: Bad MPU IRQ %d\n", hw_config->irq); + return 0; + } + switch (hw_config->io_base) + { + case 0x330: + conf = 0x00; + break; + case 0x370: + conf = 0x04; + break; + case 0x3b0: + conf = 0x08; + break; + case 0x3f0: + conf = 0x0c; + break; + default: + return 0; /* Invalid port */ + } + + conf |= irq_bits[hw_config->irq] << 4; + trix_write(0x19, (trix_read(0x19) & 0x83) | conf); + hw_config->name = "AudioTrix Pro"; + return probe_uart401(hw_config, THIS_MODULE); +} + +static void __exit unload_trix_wss(struct address_info *hw_config) +{ + int dma2 = hw_config->dma2; + + if (dma2 == -1) + dma2 = hw_config->dma; + + release_region(0x390, 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_trix_mpu(struct address_info *hw_config) +{ + unload_uart401(hw_config); +} + +static inline void __exit unload_trix_sb(struct address_info *hw_config) +{ + sb_dsp_unload(hw_config, mpu); +} + +static struct address_info cfg; +static struct address_info cfg2; +static struct address_info cfg_mpu; + +static int sb; +static int fw_load; + +static int __initdata io = -1; +static int __initdata irq = -1; +static int __initdata dma = -1; +static int __initdata dma2 = -1; /* Set this for modules that need it */ +static int __initdata sb_io = -1; +static int __initdata sb_dma = -1; +static int __initdata sb_irq = -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(sb_io, int, 0); +module_param(sb_dma, int, 0); +module_param(sb_irq, int, 0); +module_param(mpu_io, int, 0); +module_param(mpu_irq, int, 0); +module_param(joystick, bool, 0); + +static int __init init_trix(void) +{ + printk(KERN_INFO "MediaTrix audio driver Copyright (C) by Hannu Savolainen 1993-1996\n"); + + cfg.io_base = io; + cfg.irq = irq; + cfg.dma = dma; + cfg.dma2 = dma2; + + cfg2.io_base = sb_io; + cfg2.irq = sb_irq; + cfg2.dma = sb_dma; + + cfg_mpu.io_base = mpu_io; + cfg_mpu.irq = mpu_irq; + + if (cfg.io_base == -1 || cfg.dma == -1 || cfg.irq == -1) { + printk(KERN_INFO "I/O, IRQ, DMA and type are mandatory\n"); + return -EINVAL; + } + + if (cfg2.io_base != -1 && (cfg2.irq == -1 || cfg2.dma == -1)) { + printk(KERN_INFO "CONFIG_SB_IRQ and CONFIG_SB_DMA must be specified if SB_IO is set.\n"); + return -EINVAL; + } + if (cfg_mpu.io_base != -1 && cfg_mpu.irq == -1) { + printk(KERN_INFO "CONFIG_MPU_IRQ must be specified if MPU_IO is set.\n"); + return -EINVAL; + } + if (!trix_boot) + { + fw_load = 1; + trix_boot_len = mod_firmware_load("/etc/sound/trxpro.bin", + (char **) &trix_boot); + } + + if (!request_region(0x390, 2, "AudioTrix")) { + printk(KERN_ERR "AudioTrix: Config port I/O conflict\n"); + return -ENODEV; + } + + if (!init_trix_wss(&cfg)) { + release_region(0x390, 2); + return -ENODEV; + } + + /* + * We must attach in the right order to get the firmware + * loaded up in time. + */ + + if (cfg2.io_base != -1) { + sb = probe_trix_sb(&cfg2); + } + + if (cfg_mpu.io_base != -1) + mpu = probe_trix_mpu(&cfg_mpu); + + return 0; +} + +static void __exit cleanup_trix(void) +{ + if (fw_load) + vfree(trix_boot); + if (sb) + unload_trix_sb(&cfg2); + if (mpu) + unload_trix_mpu(&cfg_mpu); + unload_trix_wss(&cfg); +} + +module_init(init_trix); +module_exit(cleanup_trix); + +#ifndef MODULE +static int __init setup_trix (char *str) +{ + /* io, irq, dma, dma2, sb_io, sb_irq, sb_dma, mpu_io, mpu_irq */ + int ints[9]; + + str = get_options(str, ARRAY_SIZE(ints), ints); + + io = ints[1]; + irq = ints[2]; + dma = ints[3]; + dma2 = ints[4]; + sb_io = ints[5]; + sb_irq = ints[6]; + sb_dma = ints[6]; + mpu_io = ints[7]; + mpu_irq = ints[8]; + + return 1; +} + +__setup("trix=", setup_trix); +#endif +MODULE_LICENSE("GPL"); |