int probe_trix_wss (struct address_info *hw_config) { /* * Check if the IO port returns valid signature. The original MS Sound * system returns 0x04 while some cards (AudioTriX Pro for example) * return 0x00. */ if (!trix_set_wss_port (hw_config)) return 0; if ((INB (hw_config->io_base + 3) & 0x3f) != 0x00) { DDB (printk ("No MSS signature detected on port 0x%x\n", hw_config->io_base)); return 0; } if (hw_config->irq > 11) { printk ("AudioTriX: Bad WSS IRQ %d\n", hw_config->irq); return 0; } if (hw_config->dma != 0 && hw_config->dma != 1 && hw_config->dma != 3) { printk ("AudioTriX: Bad WSS DMA %d\n", hw_config->dma); return 0; } /* * Check that DMA0 is not in use with a 8 bit board. */ if (hw_config->dma == 0 && INB (hw_config->io_base + 3) & 0x80) { printk ("AudioTriX: Can't use DMA0 with a 8 bit card\n"); return 0; } if (hw_config->irq > 7 && hw_config->irq != 9 && INB (hw_config->io_base + 3) & 0x80) { printk ("AudioTriX: Can't use IRQ%d with a 8 bit card\n", hw_config->irq); return 0; } return ad1848_detect (hw_config->io_base + 4); }
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; }