diff options
Diffstat (limited to 'sound/isa/gus/gusclassic.c')
| -rw-r--r-- | sound/isa/gus/gusclassic.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c new file mode 100644 index 000000000000..a99fa5040b46 --- /dev/null +++ b/sound/isa/gus/gusclassic.c @@ -0,0 +1,260 @@ +/* + * Driver for Gravis UltraSound Classic soundcard + * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <sound/driver.h> +#include <asm/dma.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/time.h> +#include <linux/moduleparam.h> +#include <sound/core.h> +#include <sound/gus.h> +#define SNDRV_LEGACY_AUTO_PROBE +#define SNDRV_LEGACY_FIND_FREE_IRQ +#define SNDRV_LEGACY_FIND_FREE_DMA +#include <sound/initval.h> + +MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); +MODULE_DESCRIPTION("Gravis UltraSound Classic"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ +static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */ +static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 3,5,9,11,12,15 */ +static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ +static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ +static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29}; + /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */ +static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24}; +static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2}; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for GUS Classic soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for GUS Classic soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable GUS Classic soundcard."); +module_param_array(port, long, NULL, 0444); +MODULE_PARM_DESC(port, "Port # for GUS Classic driver."); +module_param_array(irq, int, NULL, 0444); +MODULE_PARM_DESC(irq, "IRQ # for GUS Classic driver."); +module_param_array(dma1, int, NULL, 0444); +MODULE_PARM_DESC(dma1, "DMA1 # for GUS Classic driver."); +module_param_array(dma2, int, NULL, 0444); +MODULE_PARM_DESC(dma2, "DMA2 # for GUS Classic driver."); +module_param_array(joystick_dac, int, NULL, 0444); +MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver."); +module_param_array(channels, int, NULL, 0444); +MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver."); +module_param_array(pcm_channels, int, NULL, 0444); +MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver."); + +static snd_card_t *snd_gusclassic_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; + + +static int __init snd_gusclassic_detect(snd_gus_card_t * gus) +{ + snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ +#ifdef CONFIG_SND_DEBUG_DETECT + { + unsigned char d; + + if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { + snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); + return -ENODEV; + } + } +#else + if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0) + return -ENODEV; +#endif + udelay(160); + snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ + udelay(160); +#ifdef CONFIG_SND_DEBUG_DETECT + { + unsigned char d; + + if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { + snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); + return -ENODEV; + } + } +#else + if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1) + return -ENODEV; +#endif + + return 0; +} + +static void __init snd_gusclassic_init(int dev, snd_gus_card_t * gus) +{ + gus->equal_irq = 0; + gus->codec_flag = 0; + gus->max_flag = 0; + gus->joystick_dac = joystick_dac[dev]; +} + +static int __init snd_gusclassic_probe(int dev) +{ + static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1}; + static int possible_dmas[] = {5, 6, 7, 1, 3, -1}; + int xirq, xdma1, xdma2; + snd_card_t *card; + struct snd_gusclassic *guscard; + snd_gus_card_t *gus = NULL; + int err; + + card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + if (card == NULL) + return -ENOMEM; + guscard = (struct snd_gusclassic *)card->private_data; + if (pcm_channels[dev] < 2) + pcm_channels[dev] = 2; + + xirq = irq[dev]; + if (xirq == SNDRV_AUTO_IRQ) { + if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { + snd_card_free(card); + snd_printk("unable to find a free IRQ\n"); + return -EBUSY; + } + } + xdma1 = dma1[dev]; + if (xdma1 == SNDRV_AUTO_DMA) { + if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { + snd_card_free(card); + snd_printk("unable to find a free DMA1\n"); + return -EBUSY; + } + } + xdma2 = dma2[dev]; + if (xdma2 == SNDRV_AUTO_DMA) { + if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) { + snd_card_free(card); + snd_printk("unable to find a free DMA2\n"); + return -EBUSY; + } + } + + + if ((err = snd_gus_create(card, + port[dev], + xirq, xdma1, xdma2, + 0, channels[dev], pcm_channels[dev], + 0, &gus)) < 0) { + snd_card_free(card); + return err; + } + if ((err = snd_gusclassic_detect(gus)) < 0) { + snd_card_free(card); + return err; + } + snd_gusclassic_init(dev, gus); + if ((err = snd_gus_initialize(gus)) < 0) { + snd_card_free(card); + return err; + } + if (gus->max_flag || gus->ess_flag) { + snd_printdd("GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus->gf1.port); + snd_card_free(card); + return -ENODEV; + } + if ((err = snd_gf1_new_mixer(gus)) < 0) { + snd_card_free(card); + return err; + } + if ((err = snd_gf1_pcm_new(gus, 0, 0, NULL)) < 0) { + snd_card_free(card); + return err; + } + if (!gus->ace_flag) { + if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) { + snd_card_free(card); + return err; + } + } + sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %d, dma %d", gus->gf1.port, xirq, xdma1); + if (dma2 >= 0) + sprintf(card->longname + strlen(card->longname), "&%d", xdma2); + if ((err = snd_card_register(card)) < 0) { + snd_card_free(card); + return err; + } + snd_gusclassic_cards[dev] = card; + return 0; +} + +static int __init snd_gusclassic_legacy_auto_probe(unsigned long xport) +{ + static int dev; + int res; + + for ( ; dev < SNDRV_CARDS; dev++) { + if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) + continue; + port[dev] = xport; + res = snd_gusclassic_probe(dev); + if (res < 0) + port[dev] = SNDRV_AUTO_PORT; + return res; + } + return -ENODEV; +} + +static int __init alsa_card_gusclassic_init(void) +{ + static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1}; + int dev, cards, i; + + for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) { + if (port[dev] == SNDRV_AUTO_PORT) + continue; + if (snd_gusclassic_probe(dev) >= 0) + cards++; + } + i = snd_legacy_auto_probe(possible_ports, snd_gusclassic_legacy_auto_probe); + if (i > 0) + cards += i; + + if (!cards) { +#ifdef MODULE + printk(KERN_ERR "GUS Classic soundcard not found or device busy\n"); +#endif + return -ENODEV; + } + return 0; +} + +static void __exit alsa_card_gusclassic_exit(void) +{ + int idx; + + for (idx = 0; idx < SNDRV_CARDS; idx++) + snd_card_free(snd_gusclassic_cards[idx]); +} + +module_init(alsa_card_gusclassic_init) +module_exit(alsa_card_gusclassic_exit) |