| /* |
| * Driver for Gravis UltraSound MAX 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 <sound/core.h> |
| #include <sound/gus.h> |
| #include <sound/cs4231.h> |
| #define SNDRV_LEGACY_AUTO_PROBE |
| #define SNDRV_LEGACY_FIND_FREE_IRQ |
| #define SNDRV_LEGACY_FIND_FREE_DMA |
| #define SNDRV_GET_ID |
| #include <sound/initval.h> |
| |
| EXPORT_NO_SYMBOLS; |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
| MODULE_DESCRIPTION("Gravis UltraSound MAX"); |
| MODULE_LICENSE("GPL"); |
| MODULE_CLASSES("{sound}"); |
| MODULE_DEVICES("{{Gravis,UltraSound MAX}}"); |
| |
| static int snd_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| static char *snd_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| static int snd_enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
| static long snd_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */ |
| static int snd_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */ |
| static int snd_dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ |
| static int snd_dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ |
| static int snd_joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29}; |
| /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */ |
| static int snd_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24}; |
| static int snd_pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2}; |
| |
| MODULE_PARM(snd_index, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_index, "Index value for GUS MAX soundcard."); |
| MODULE_PARM_SYNTAX(snd_index, SNDRV_INDEX_DESC); |
| MODULE_PARM(snd_id, "1-" __MODULE_STRING(SNDRV_CARDS) "s"); |
| MODULE_PARM_DESC(snd_id, "ID string for GUS MAX soundcard."); |
| MODULE_PARM_SYNTAX(snd_id, SNDRV_ID_DESC); |
| MODULE_PARM(snd_enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_enable, "Enable GUS MAX soundcard."); |
| MODULE_PARM_SYNTAX(snd_enable, SNDRV_ENABLE_DESC); |
| MODULE_PARM(snd_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l"); |
| MODULE_PARM_DESC(snd_port, "Port # for GUS MAX driver."); |
| MODULE_PARM_SYNTAX(snd_port, SNDRV_ENABLED ",allows:{{0x220},{0x230},{0x240},{0x250},{0x260}},dialog:list"); |
| MODULE_PARM(snd_irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_irq, "IRQ # for GUS MAX driver."); |
| MODULE_PARM_SYNTAX(snd_irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list"); |
| MODULE_PARM(snd_dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_dma1, "DMA1 # for GUS MAX driver."); |
| MODULE_PARM_SYNTAX(snd_dma1, SNDRV_DMA_DESC); |
| MODULE_PARM(snd_dma2, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_dma2, "DMA2 # for GUS MAX driver."); |
| MODULE_PARM_SYNTAX(snd_dma2, SNDRV_DMA_DESC); |
| MODULE_PARM(snd_joystick_dac, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver."); |
| MODULE_PARM_SYNTAX(snd_joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}"); |
| MODULE_PARM(snd_channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_channels, "Used GF1 channels for GUS MAX driver."); |
| MODULE_PARM_SYNTAX(snd_channels, SNDRV_ENABLED ",allows:{{14,32}}"); |
| MODULE_PARM(snd_pcm_channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_pcm_channels, "Reserved PCM channels for GUS MAX driver."); |
| MODULE_PARM_SYNTAX(snd_pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}"); |
| |
| struct snd_gusmax { |
| int irq; |
| snd_card_t *card; |
| snd_gus_card_t *gus; |
| cs4231_t *cs4231; |
| unsigned short gus_status_reg; |
| unsigned short pcm_status_reg; |
| }; |
| |
| static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; |
| |
| |
| static int __init snd_gusmax_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 snd_gusmax_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
| { |
| struct snd_gusmax *maxcard = (struct snd_gusmax *) dev_id; |
| int loop, max = 5; |
| |
| do { |
| loop = 0; |
| if (inb(maxcard->gus_status_reg)) { |
| snd_gus_interrupt(irq, maxcard->gus, regs); |
| loop++; |
| } |
| if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ |
| snd_cs4231_interrupt(irq, maxcard->cs4231, regs); |
| loop++; |
| } |
| } while (loop && --max > 0); |
| } |
| |
| static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus) |
| { |
| gus->equal_irq = 1; |
| gus->codec_flag = 1; |
| gus->joystick_dac = snd_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)); |
| } |
| |
| #define CS4231_PRIVATE( left, right, shift, mute ) \ |
| ((left << 24)|(right << 16)|(shift<<8)|mute) |
| |
| static int __init snd_gusmax_mixer(cs4231_t *chip) |
| { |
| snd_card_t *card = chip->card; |
| snd_ctl_elem_id_t 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(snd_card_t *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 __init snd_gusmax_probe(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 irq, dma1, dma2, err; |
| snd_card_t *card; |
| snd_gus_card_t *gus = NULL; |
| cs4231_t *cs4231; |
| struct snd_gusmax *maxcard; |
| |
| card = snd_card_new(snd_index[dev], snd_id[dev], THIS_MODULE, |
| sizeof(struct snd_gusmax)); |
| if (card == NULL) |
| return -ENOMEM; |
| card->private_free = snd_gusmax_free; |
| maxcard = (struct snd_gusmax *)card->private_data; |
| maxcard->card = card; |
| maxcard->irq = -1; |
| |
| irq = snd_irq[dev]; |
| if (irq == SNDRV_AUTO_IRQ) { |
| if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) { |
| snd_card_free(card); |
| snd_printk("unable to find a free IRQ\n"); |
| return -EBUSY; |
| } |
| } |
| dma1 = snd_dma1[dev]; |
| if (dma1 == SNDRV_AUTO_DMA) { |
| if ((dma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { |
| snd_card_free(card); |
| snd_printk("unable to find a free DMA1\n"); |
| return -EBUSY; |
| } |
| } |
| dma2 = snd_dma2[dev]; |
| if (dma2 == SNDRV_AUTO_DMA) { |
| if ((dma2 = 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, |
| snd_port[dev], |
| -irq, dma1, dma2, |
| 0, snd_channels[dev], |
| snd_pcm_channels[dev], |
| 0, &gus)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| if ((err = snd_gusmax_detect(gus)) < 0) { |
| snd_card_free(card); |
| return 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) { |
| snd_card_free(card); |
| return err; |
| } |
| if (!gus->max_flag) { |
| snd_card_free(card); |
| snd_printk("GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port); |
| return -ENODEV; |
| } |
| |
| if (request_irq(irq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) { |
| snd_card_free(card); |
| snd_printk("unable to grab IRQ %d\n", irq); |
| return -EBUSY; |
| } |
| maxcard->irq = irq; |
| |
| if ((err = snd_cs4231_create(card, |
| gus->gf1.port + 0x10c, -1, irq, |
| dma2 < 0 ? dma1 : dma2, dma1, |
| CS4231_HW_DETECT, |
| CS4231_HWSHARE_IRQ | |
| CS4231_HWSHARE_DMA1 | |
| CS4231_HWSHARE_DMA2, |
| &cs4231)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| if ((err = snd_cs4231_mixer(cs4231)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| if (snd_pcm_channels[dev] > 0) { |
| if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| } |
| if ((err = snd_gusmax_mixer(cs4231)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| |
| 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 %i, dma %i", gus->gf1.port, irq, dma1); |
| if (dma2 >= 0) |
| sprintf(card->longname + strlen(card->longname), "&%i", dma2); |
| if ((err = snd_card_register(card)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| |
| maxcard->gus = gus; |
| maxcard->cs4231 = cs4231; |
| snd_gusmax_cards[dev] = card; |
| return 0; |
| } |
| |
| static int __init snd_gusmax_legacy_auto_probe(unsigned long port) |
| { |
| static int dev = 0; |
| int res; |
| |
| for ( ; dev < SNDRV_CARDS; dev++) { |
| if (!snd_enable[dev] || snd_port[dev] != SNDRV_AUTO_PORT) |
| continue; |
| snd_port[dev] = port; |
| res = snd_gusmax_probe(dev); |
| if (res < 0) |
| snd_port[dev] = SNDRV_AUTO_PORT; |
| return res; |
| } |
| return -ENODEV; |
| } |
| |
| static int __init alsa_card_gusmax_init(void) |
| { |
| static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1}; |
| int dev, cards; |
| |
| for (dev = cards = 0; dev < SNDRV_CARDS && snd_enable[dev] > 0; dev++) { |
| if (snd_port[dev] == SNDRV_AUTO_PORT) |
| continue; |
| if (snd_gusmax_probe(dev) >= 0) |
| cards++; |
| } |
| cards += snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe); |
| if (!cards) { |
| #ifdef MODULE |
| snd_printk("GUS MAX soundcard not found or device busy\n"); |
| #endif |
| return -ENODEV; |
| } |
| return 0; |
| } |
| |
| static void __exit alsa_card_gusmax_exit(void) |
| { |
| int idx; |
| |
| for (idx = 0; idx < SNDRV_CARDS; idx++) |
| snd_card_free(snd_gusmax_cards[idx]); |
| } |
| |
| module_init(alsa_card_gusmax_init) |
| module_exit(alsa_card_gusmax_exit) |
| |
| #ifndef MODULE |
| |
| /* format is: snd-gusmax=snd_enable,snd_index,snd_id, |
| snd_port,snd_irq, |
| snd_dma1,snd_dma2, |
| snd_joystick_dac, |
| snd_channels,snd_pcm_channels */ |
| |
| static int __init alsa_card_gusmax_setup(char *str) |
| { |
| static unsigned __initdata nr_dev = 0; |
| |
| if (nr_dev >= SNDRV_CARDS) |
| return 0; |
| (void)(get_option(&str,&snd_enable[nr_dev]) == 2 && |
| get_option(&str,&snd_index[nr_dev]) == 2 && |
| get_id(&str,&snd_id[nr_dev]) == 2 && |
| get_option(&str,(int *)&snd_port[nr_dev]) == 2 && |
| get_option(&str,&snd_irq[nr_dev]) == 2 && |
| get_option(&str,&snd_dma1[nr_dev]) == 2 && |
| get_option(&str,&snd_dma2[nr_dev]) == 2 && |
| get_option(&str,&snd_joystick_dac[nr_dev]) == 2 && |
| get_option(&str,&snd_channels[nr_dev]) == 2 && |
| get_option(&str,&snd_pcm_channels[nr_dev]) == 2); |
| nr_dev++; |
| return 1; |
| } |
| |
| __setup("snd-gusmax=", alsa_card_gusmax_setup); |
| |
| #endif /* ifndef MODULE */ |