/* * Driver for Gravis UltraSound MAX soundcard * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/init.h> #include <linux/err.h> #include <linux/isa.h> #include <linux/delay.h> #include <linux/time.h> #include <linux/moduleparam.h> #include <asm/dma.h> #include <sound/core.h> #include <sound/gus.h> #include <sound/wss.h> #define SNDRV_LEGACY_FIND_FREE_IRQ #define SNDRV_LEGACY_FIND_FREE_DMA #include <sound/initval.h> MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); MODULE_DESCRIPTION("Gravis UltraSound MAX"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}"); 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; /* 2,3,5,9,11,12,15 */ 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 MAX soundcard."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard."); module_param_array(port, long, NULL, 0444); MODULE_PARM_DESC(port, "Port # for GUS MAX driver."); module_param_array(irq, int, NULL, 0444); MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver."); module_param_array(dma1, int, NULL, 0444); MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver."); module_param_array(dma2, int, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX 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 MAX driver."); module_param_array(channels, int, NULL, 0444); MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver."); module_param_array(pcm_channels, int, NULL, 0444); MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver."); struct snd_gusmax { int irq; struct snd_card *card; struct snd_gus_card *gus; struct snd_wss *wss; unsigned short gus_status_reg; unsigned short pcm_status_reg; }; #define PFX "gusmax: " static int __devinit snd_gusmax_detect(struct snd_gus_card * gus) { unsigned char d; snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ udelay(160); if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } return 0; } static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id) { struct snd_gusmax *maxcard = dev_id; int loop, max = 5; int handled = 0; do { loop = 0; if (inb(maxcard->gus_status_reg)) { handled = 1; snd_gus_interrupt(irq, maxcard->gus); loop++; } if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ handled = 1; snd_wss_interrupt(irq, maxcard->wss); loop++; } } while (loop && --max > 0); return IRQ_RETVAL(handled); } static void __devinit snd_gusmax_init(int dev, struct snd_card *card, struct snd_gus_card * gus) { gus->equal_irq = 1; gus->codec_flag = 1; gus->joystick_dac = joystick_dac[dev]; /* init control register */ gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f; if (gus->gf1.dma1 > 3) gus->max_cntrl_val |= 0x10; if (gus->gf1.dma2 > 3) gus->max_cntrl_val |= 0x20; gus->max_cntrl_val |= 0x40; outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT)); } static int __devinit snd_gusmax_mixer(struct snd_wss *chip) { struct snd_card *card = chip->card; struct snd_ctl_elem_id id1, id2; int err; memset(&id1, 0, sizeof(id1)); memset(&id2, 0, sizeof(id2)); id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; /* reassign AUXA to SYNTHESIZER */ strcpy(id1.name, "Aux Playback Switch"); strcpy(id2.name, "Synth Playback Switch"); if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) return err; strcpy(id1.name, "Aux Playback Volume"); strcpy(id2.name, "Synth Playback Volume"); if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) return err; /* reassign AUXB to CD */ strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; strcpy(id2.name, "CD Playback Switch"); if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) return err; strcpy(id1.name, "Aux Playback Volume"); strcpy(id2.name, "CD Playback Volume"); if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) return err; #if 0 /* reassign Mono Input to MIC */ if (snd_mixer_group_rename(mixer, SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_IN_MIC, 0) < 0) goto __error; if (snd_mixer_elem_rename(mixer, SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT, SNDRV_MIXER_IN_MIC, 0) < 0) goto __error; if (snd_mixer_elem_rename(mixer, "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1, "Mic Capture Volume", 0) < 0) goto __error; if (snd_mixer_elem_rename(mixer, "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1, "Mic Capture Switch", 0) < 0) goto __error; #endif return 0; } static void snd_gusmax_free(struct snd_card *card) { struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data; if (maxcard == NULL) return; if (maxcard->irq >= 0) free_irq(maxcard->irq, (void *)maxcard); } static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev) { return enable[dev]; } static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev) { static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1}; static int possible_dmas[] = {5, 6, 7, 1, 3, -1}; int xirq, xdma1, xdma2, err; struct snd_card *card; struct snd_gus_card *gus = NULL; struct snd_wss *wss; struct snd_gusmax *maxcard; err = snd_card_create(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_gusmax), &card); if (err < 0) return err; card->private_free = snd_gusmax_free; maxcard = (struct snd_gusmax *)card->private_data; maxcard->card = card; maxcard->irq = -1; xirq = irq[dev]; if (xirq == SNDRV_AUTO_IRQ) { if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); err = -EBUSY; goto _err; } } xdma1 = dma1[dev]; if (xdma1 == SNDRV_AUTO_DMA) { if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); err = -EBUSY; goto _err; } } xdma2 = dma2[dev]; if (xdma2 == SNDRV_AUTO_DMA) { if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); err = -EBUSY; goto _err; } } if (port[dev] != SNDRV_AUTO_PORT) { err = snd_gus_create(card, port[dev], -xirq, xdma1, xdma2, 0, channels[dev], pcm_channels[dev], 0, &gus); } else { static unsigned long possible_ports[] = { 0x220, 0x230, 0x240, 0x250, 0x260 }; int i; for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { err = snd_gus_create(card, possible_ports[i], -xirq, xdma1, xdma2, 0, channels[dev], pcm_channels[dev], 0, &gus); if (err >= 0) { port[dev] = possible_ports[i]; break; } } } if (err < 0) goto _err; if ((err = snd_gusmax_detect(gus)) < 0) goto _err; maxcard->gus_status_reg = gus->gf1.reg_irqstat; maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2; snd_gusmax_init(dev, card, gus); if ((err = snd_gus_initialize(gus)) < 0) goto _err; if (!gus->max_flag) { snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port); err = -ENODEV; goto _err; } if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) { snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq); err = -EBUSY; goto _err; } maxcard->irq = xirq; err = snd_wss_create(card, gus->gf1.port + 0x10c, -1, xirq, xdma2 < 0 ? xdma1 : xdma2, xdma1, WSS_HW_DETECT, WSS_HWSHARE_IRQ | WSS_HWSHARE_DMA1 | WSS_HWSHARE_DMA2, &wss); if (err < 0) goto _err; err = snd_wss_pcm(wss, 0, NULL); if (err < 0) goto _err; err = snd_wss_mixer(wss); if (err < 0) goto _err; err = snd_wss_timer(wss, 2, NULL); if (err < 0) goto _err; if (pcm_channels[dev] > 0) { if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) goto _err; } err = snd_gusmax_mixer(wss); if (err < 0) goto _err; err = snd_gf1_rawmidi_new(gus, 0, NULL); if (err < 0) goto _err; sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1); if (xdma2 >= 0) sprintf(card->longname + strlen(card->longname), "&%i", xdma2); snd_card_set_dev(card, pdev); err = snd_card_register(card); if (err < 0) goto _err; maxcard->gus = gus; maxcard->wss = wss; dev_set_drvdata(pdev, card); return 0; _err: snd_card_free(card); return err; } static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev) { snd_card_free(dev_get_drvdata(devptr)); dev_set_drvdata(devptr, NULL); return 0; } #define DEV_NAME "gusmax" static struct isa_driver snd_gusmax_driver = { .match = snd_gusmax_match, .probe = snd_gusmax_probe, .remove = __devexit_p(snd_gusmax_remove), /* FIXME: suspend/resume */ .driver = { .name = DEV_NAME }, }; static int __init alsa_card_gusmax_init(void) { return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS); } static void __exit alsa_card_gusmax_exit(void) { isa_unregister_driver(&snd_gusmax_driver); } module_init(alsa_card_gusmax_init) module_exit(alsa_card_gusmax_exit)