diff options
Diffstat (limited to 'sound/oss/gus_card.c')
-rw-r--r-- | sound/oss/gus_card.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/sound/oss/gus_card.c b/sound/oss/gus_card.c deleted file mode 100644 index a3d6ae33fe8..00000000000 --- a/sound/oss/gus_card.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * sound/oss/gus_card.c - * - * Detection routine for the Gravis Ultrasound. - * - * Copyright (C) by Hannu Savolainen 1993-1997 - * - * - * Frank van de Pol : Fixed GUS MAX interrupt handling, enabled simultanious - * usage of CS4231A codec, GUS wave and MIDI for GUS MAX. - * Christoph Hellwig: Adapted to module_init/module_exit, simple cleanups. - * - * Status: - * Tested... - */ - - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/module.h> - -#include "sound_config.h" - -#include "gus.h" -#include "gus_hw.h" - -irqreturn_t gusintr(int irq, void *dev_id, struct pt_regs *dummy); - -int gus_base = 0, gus_irq = 0, gus_dma = 0; -int gus_no_wave_dma = 0; -extern int gus_wave_volume; -extern int gus_pcm_volume; -extern int have_gus_max; -int gus_pnp_flag = 0; -#ifdef CONFIG_SOUND_GUS16 -static int db16; /* Has a Gus16 AD1848 on it */ -#endif - -static void __init attach_gus(struct address_info *hw_config) -{ - gus_wave_init(hw_config); - - if (sound_alloc_dma(hw_config->dma, "GUS")) - printk(KERN_ERR "gus_card.c: Can't allocate DMA channel %d\n", hw_config->dma); - if (hw_config->dma2 != -1 && hw_config->dma2 != hw_config->dma) - if (sound_alloc_dma(hw_config->dma2, "GUS(2)")) - printk(KERN_ERR "gus_card.c: Can't allocate DMA channel %d\n", hw_config->dma2); - gus_midi_init(hw_config); - if(request_irq(hw_config->irq, gusintr, 0, "Gravis Ultrasound", hw_config)<0) - printk(KERN_ERR "gus_card.c: Unable to allocate IRQ %d\n", hw_config->irq); - - return; -} - -static int __init probe_gus(struct address_info *hw_config) -{ - int irq; - int io_addr; - - if (hw_config->card_subtype == 1) - gus_pnp_flag = 1; - - irq = hw_config->irq; - - if (hw_config->card_subtype == 0) /* GUS/MAX/ACE */ - if (irq != 3 && irq != 5 && irq != 7 && irq != 9 && - irq != 11 && irq != 12 && irq != 15) - { - printk(KERN_ERR "GUS: Unsupported IRQ %d\n", irq); - return 0; - } - if (gus_wave_detect(hw_config->io_base)) - return 1; - -#ifndef EXCLUDE_GUS_IODETECT - - /* - * Look at the possible base addresses (0x2X0, X=1, 2, 3, 4, 5, 6) - */ - - for (io_addr = 0x210; io_addr <= 0x260; io_addr += 0x10) { - if (io_addr == hw_config->io_base) /* Already tested */ - continue; - if (gus_wave_detect(io_addr)) { - hw_config->io_base = io_addr; - return 1; - } - } -#endif - - printk("NO GUS card found !\n"); - return 0; -} - -static void __exit unload_gus(struct address_info *hw_config) -{ - DDB(printk("unload_gus(%x)\n", hw_config->io_base)); - - gus_wave_unload(hw_config); - - release_region(hw_config->io_base, 16); - release_region(hw_config->io_base + 0x100, 12); /* 0x10c-> is MAX */ - free_irq(hw_config->irq, hw_config); - - sound_free_dma(hw_config->dma); - - if (hw_config->dma2 != -1 && hw_config->dma2 != hw_config->dma) - sound_free_dma(hw_config->dma2); -} - -irqreturn_t gusintr(int irq, void *dev_id, struct pt_regs *dummy) -{ - unsigned char src; - extern int gus_timer_enabled; - int handled = 0; - -#ifdef CONFIG_SOUND_GUSMAX - if (have_gus_max) { - struct address_info *hw_config = dev_id; - adintr(irq, (void *)hw_config->slots[1], NULL); - } -#endif -#ifdef CONFIG_SOUND_GUS16 - if (db16) { - struct address_info *hw_config = dev_id; - adintr(irq, (void *)hw_config->slots[3], NULL); - } -#endif - - while (1) - { - if (!(src = inb(u_IrqStatus))) - break; - handled = 1; - if (src & DMA_TC_IRQ) - { - guswave_dma_irq(); - } - if (src & (MIDI_TX_IRQ | MIDI_RX_IRQ)) - { - gus_midi_interrupt(0); - } - if (src & (GF1_TIMER1_IRQ | GF1_TIMER2_IRQ)) - { - if (gus_timer_enabled) - sound_timer_interrupt(); - gus_write8(0x45, 0); /* Ack IRQ */ - gus_timer_command(4, 0x80); /* Reset IRQ flags */ - } - if (src & (WAVETABLE_IRQ | ENVELOPE_IRQ)) - gus_voice_irq(); - } - return IRQ_RETVAL(handled); -} - -/* - * Some extra code for the 16 bit sampling option - */ - -#ifdef CONFIG_SOUND_GUS16 - -static int __init init_gus_db16(struct address_info *hw_config) -{ - struct resource *ports; - - ports = request_region(hw_config->io_base, 4, "ad1848"); - if (!ports) - return 0; - - if (!ad1848_detect(ports, NULL, hw_config->osp)) { - release_region(hw_config->io_base, 4); - return 0; - } - - gus_pcm_volume = 100; - gus_wave_volume = 90; - - hw_config->slots[3] = ad1848_init("GUS 16 bit sampling", ports, - hw_config->irq, - hw_config->dma, - hw_config->dma, 0, - hw_config->osp, - THIS_MODULE); - return 1; -} - -static void __exit unload_gus_db16(struct address_info *hw_config) -{ - - ad1848_unload(hw_config->io_base, - hw_config->irq, - hw_config->dma, - hw_config->dma, 0); - sound_unload_audiodev(hw_config->slots[3]); -} -#endif - -#ifdef CONFIG_SOUND_GUS16 -static int gus16; -#endif -#ifdef CONFIG_SOUND_GUSMAX -static int no_wave_dma; /* Set if no dma is to be used for the - wave table (GF1 chip) */ -#endif - - -/* - * Note DMA2 of -1 has the right meaning in the GUS driver as well - * as here. - */ - -static struct address_info cfg; - -static int __initdata io = -1; -static int __initdata irq = -1; -static int __initdata dma = -1; -static int __initdata dma16 = -1; /* Set this for modules that need it */ -static int __initdata type = 0; /* 1 for PnP */ - -module_param(io, int, 0); -module_param(irq, int, 0); -module_param(dma, int, 0); -module_param(dma16, int, 0); -module_param(type, int, 0); -#ifdef CONFIG_SOUND_GUSMAX -module_param(no_wave_dma, int, 0); -#endif -#ifdef CONFIG_SOUND_GUS16 -module_param(db16, int, 0); -module_param(gus16, int, 0); -#endif -MODULE_LICENSE("GPL"); - -static int __init init_gus(void) -{ - printk(KERN_INFO "Gravis Ultrasound audio driver Copyright (C) by Hannu Savolainen 1993-1996\n"); - - cfg.io_base = io; - cfg.irq = irq; - cfg.dma = dma; - cfg.dma2 = dma16; - cfg.card_subtype = type; -#ifdef CONFIG_SOUND_GUSMAX - gus_no_wave_dma = no_wave_dma; -#endif - - if (cfg.io_base == -1 || cfg.dma == -1 || cfg.irq == -1) { - printk(KERN_ERR "I/O, IRQ, and DMA are mandatory\n"); - return -EINVAL; - } - -#ifdef CONFIG_SOUND_GUS16 - if (gus16 && init_gus_db16(&cfg)) - db16 = 1; -#endif - if (!probe_gus(&cfg)) - return -ENODEV; - attach_gus(&cfg); - - return 0; -} - -static void __exit cleanup_gus(void) -{ -#ifdef CONFIG_SOUND_GUS16 - if (db16) - unload_gus_db16(&cfg); -#endif - unload_gus(&cfg); -} - -module_init(init_gus); -module_exit(cleanup_gus); - -#ifndef MODULE -static int __init setup_gus(char *str) -{ - /* io, irq, dma, dma2 */ - int ints[5]; - - str = get_options(str, ARRAY_SIZE(ints), ints); - - io = ints[1]; - irq = ints[2]; - dma = ints[3]; - dma16 = ints[4]; - - return 1; -} - -__setup("gus=", setup_gus); -#endif |