diff options
Diffstat (limited to 'sound/isa/gus/gus_main.c')
| -rw-r--r-- | sound/isa/gus/gus_main.c | 483 |
1 files changed, 483 insertions, 0 deletions
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c new file mode 100644 index 00000000..4490ee44 --- /dev/null +++ b/sound/isa/gus/gus_main.c @@ -0,0 +1,483 @@ +/* + * Routines for Gravis UltraSound soundcards + * 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/interrupt.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/ioport.h> +#include <linux/module.h> +#include <sound/core.h> +#include <sound/gus.h> +#include <sound/control.h> + +#include <asm/dma.h> + +MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); +MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards"); +MODULE_LICENSE("GPL"); + +static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches); + +int snd_gus_use_inc(struct snd_gus_card * gus) +{ + if (!try_module_get(gus->card->module)) + return 0; + return 1; +} + +void snd_gus_use_dec(struct snd_gus_card * gus) +{ + module_put(gus->card->module); +} + +static int snd_gus_joystick_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 31; + return 0; +} + +static int snd_gus_joystick_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = gus->joystick_dac & 31; + return 0; +} + +static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); + unsigned long flags; + int change; + unsigned char nval; + + nval = ucontrol->value.integer.value[0] & 31; + spin_lock_irqsave(&gus->reg_lock, flags); + change = gus->joystick_dac != nval; + gus->joystick_dac = nval; + snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac); + spin_unlock_irqrestore(&gus->reg_lock, flags); + return change; +} + +static struct snd_kcontrol_new snd_gus_joystick_control = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .name = "Joystick Speed", + .info = snd_gus_joystick_info, + .get = snd_gus_joystick_get, + .put = snd_gus_joystick_put +}; + +static void snd_gus_init_control(struct snd_gus_card *gus) +{ + if (!gus->ace_flag) + snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus)); +} + +/* + * + */ + +static int snd_gus_free(struct snd_gus_card *gus) +{ + if (gus->gf1.res_port2 == NULL) + goto __hw_end; + snd_gf1_stop(gus); + snd_gus_init_dma_irq(gus, 0); + __hw_end: + release_and_free_resource(gus->gf1.res_port1); + release_and_free_resource(gus->gf1.res_port2); + if (gus->gf1.irq >= 0) + free_irq(gus->gf1.irq, (void *) gus); + if (gus->gf1.dma1 >= 0) { + disable_dma(gus->gf1.dma1); + free_dma(gus->gf1.dma1); + } + if (!gus->equal_dma && gus->gf1.dma2 >= 0) { + disable_dma(gus->gf1.dma2); + free_dma(gus->gf1.dma2); + } + kfree(gus); + return 0; +} + +static int snd_gus_dev_free(struct snd_device *device) +{ + struct snd_gus_card *gus = device->device_data; + return snd_gus_free(gus); +} + +int snd_gus_create(struct snd_card *card, + unsigned long port, + int irq, int dma1, int dma2, + int timer_dev, + int voices, + int pcm_channels, + int effect, + struct snd_gus_card **rgus) +{ + struct snd_gus_card *gus; + int err; + static struct snd_device_ops ops = { + .dev_free = snd_gus_dev_free, + }; + + *rgus = NULL; + gus = kzalloc(sizeof(*gus), GFP_KERNEL); + if (gus == NULL) + return -ENOMEM; + spin_lock_init(&gus->reg_lock); + spin_lock_init(&gus->voice_alloc); + spin_lock_init(&gus->active_voice_lock); + spin_lock_init(&gus->event_lock); + spin_lock_init(&gus->dma_lock); + spin_lock_init(&gus->pcm_volume_level_lock); + spin_lock_init(&gus->uart_cmd_lock); + mutex_init(&gus->dma_mutex); + gus->gf1.irq = -1; + gus->gf1.dma1 = -1; + gus->gf1.dma2 = -1; + gus->card = card; + gus->gf1.port = port; + /* fill register variables for speedup */ + gus->gf1.reg_page = GUSP(gus, GF1PAGE); + gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL); + gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH); + gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW); + gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT); + gus->gf1.reg_dram = GUSP(gus, DRAM); + gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL); + gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA); + /* allocate resources */ + if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) { + snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port); + snd_gus_free(gus); + return -EBUSY; + } + if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) { + snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100); + snd_gus_free(gus); + return -EBUSY; + } + if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) { + snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq); + snd_gus_free(gus); + return -EBUSY; + } + gus->gf1.irq = irq; + if (request_dma(dma1, "GUS - 1")) { + snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1); + snd_gus_free(gus); + return -EBUSY; + } + gus->gf1.dma1 = dma1; + if (dma2 >= 0 && dma1 != dma2) { + if (request_dma(dma2, "GUS - 2")) { + snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2); + snd_gus_free(gus); + return -EBUSY; + } + gus->gf1.dma2 = dma2; + } else { + gus->gf1.dma2 = gus->gf1.dma1; + gus->equal_dma = 1; + } + gus->timer_dev = timer_dev; + if (voices < 14) + voices = 14; + if (voices > 32) + voices = 32; + if (pcm_channels < 0) + pcm_channels = 0; + if (pcm_channels > 8) + pcm_channels = 8; + pcm_channels++; + pcm_channels &= ~1; + gus->gf1.effect = effect ? 1 : 0; + gus->gf1.active_voices = voices; + gus->gf1.pcm_channels = pcm_channels; + gus->gf1.volume_ramp = 25; + gus->gf1.smooth_pan = 1; + if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) { + snd_gus_free(gus); + return err; + } + *rgus = gus; + return 0; +} + +/* + * Memory detection routine for plain GF1 soundcards + */ + +static int snd_gus_detect_memory(struct snd_gus_card * gus) +{ + int l, idx, local; + unsigned char d; + + snd_gf1_poke(gus, 0L, 0xaa); + snd_gf1_poke(gus, 1L, 0x55); + if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) { + snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port); + return -ENOMEM; + } + for (idx = 1, d = 0xab; idx < 4; idx++, d++) { + local = idx << 18; + snd_gf1_poke(gus, local, d); + snd_gf1_poke(gus, local + 1, d + 1); + if (snd_gf1_peek(gus, local) != d || + snd_gf1_peek(gus, local + 1) != d + 1 || + snd_gf1_peek(gus, 0L) != 0xaa) + break; + } +#if 1 + gus->gf1.memory = idx << 18; +#else + gus->gf1.memory = 256 * 1024; +#endif + for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) { + gus->gf1.mem_alloc.banks_8[l].address = + gus->gf1.mem_alloc.banks_8[l].size = 0; + gus->gf1.mem_alloc.banks_16[l].address = l << 18; + gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0; + } + gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory; + return 0; /* some memory were detected */ +} + +static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches) +{ + struct snd_card *card; + unsigned long flags; + int irq, dma1, dma2; + static unsigned char irqs[16] = + {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7}; + static unsigned char dmas[8] = + {6, 1, 0, 2, 0, 3, 4, 5}; + + if (snd_BUG_ON(!gus)) + return -EINVAL; + card = gus->card; + if (snd_BUG_ON(!card)) + return -EINVAL; + + gus->mix_cntrl_reg &= 0xf8; + gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */ + if (gus->codec_flag || gus->ess_flag) { + gus->mix_cntrl_reg &= ~1; /* enable LINE IN */ + gus->mix_cntrl_reg |= 4; /* enable MIC */ + } + dma1 = gus->gf1.dma1; + dma1 = abs(dma1); + dma1 = dmas[dma1 & 7]; + dma2 = gus->gf1.dma2; + dma2 = abs(dma2); + dma2 = dmas[dma2 & 7]; + dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3); + + if ((dma1 & 7) == 0 || (dma2 & 7) == 0) { + snd_printk(KERN_ERR "Error! DMA isn't defined.\n"); + return -EINVAL; + } + irq = gus->gf1.irq; + irq = abs(irq); + irq = irqs[irq & 0x0f]; + if (irq == 0) { + snd_printk(KERN_ERR "Error! IRQ isn't defined.\n"); + return -EINVAL; + } + irq |= 0x40; +#if 0 + card->mixer.mix_ctrl_reg |= 0x10; +#endif + + spin_lock_irqsave(&gus->reg_lock, flags); + outb(5, GUSP(gus, REGCNTRLS)); + outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); + outb(0x00, GUSP(gus, IRQDMACNTRLREG)); + outb(0, GUSP(gus, REGCNTRLS)); + spin_unlock_irqrestore(&gus->reg_lock, flags); + + udelay(100); + + spin_lock_irqsave(&gus->reg_lock, flags); + outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); + outb(dma1, GUSP(gus, IRQDMACNTRLREG)); + if (latches) { + outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); + outb(irq, GUSP(gus, IRQDMACNTRLREG)); + } + spin_unlock_irqrestore(&gus->reg_lock, flags); + + udelay(100); + + spin_lock_irqsave(&gus->reg_lock, flags); + outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); + outb(dma1, GUSP(gus, IRQDMACNTRLREG)); + if (latches) { + outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); + outb(irq, GUSP(gus, IRQDMACNTRLREG)); + } + spin_unlock_irqrestore(&gus->reg_lock, flags); + + snd_gf1_delay(gus); + + if (latches) + gus->mix_cntrl_reg |= 0x08; /* enable latches */ + else + gus->mix_cntrl_reg &= ~0x08; /* disable latches */ + spin_lock_irqsave(&gus->reg_lock, flags); + outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); + outb(0, GUSP(gus, GF1PAGE)); + spin_unlock_irqrestore(&gus->reg_lock, flags); + + return 0; +} + +static int snd_gus_check_version(struct snd_gus_card * gus) +{ + unsigned long flags; + unsigned char val, rev; + struct snd_card *card; + + card = gus->card; + spin_lock_irqsave(&gus->reg_lock, flags); + outb(0x20, GUSP(gus, REGCNTRLS)); + val = inb(GUSP(gus, REGCNTRLS)); + rev = inb(GUSP(gus, BOARDVERSION)); + spin_unlock_irqrestore(&gus->reg_lock, flags); + snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev); + strcpy(card->driver, "GUS"); + strcpy(card->longname, "Gravis UltraSound Classic (2.4)"); + if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) { + if (rev >= 5 && rev <= 9) { + gus->ics_flag = 1; + if (rev == 5) + gus->ics_flipped = 1; + card->longname[27] = '3'; + card->longname[29] = rev == 5 ? '5' : '7'; + } + if (rev >= 10 && rev != 255) { + if (rev >= 10 && rev <= 11) { + strcpy(card->driver, "GUS MAX"); + strcpy(card->longname, "Gravis UltraSound MAX"); + gus->max_flag = 1; + } else if (rev == 0x30) { + strcpy(card->driver, "GUS ACE"); + strcpy(card->longname, "Gravis UltraSound Ace"); + gus->ace_flag = 1; + } else if (rev == 0x50) { + strcpy(card->driver, "GUS Extreme"); + strcpy(card->longname, "Gravis UltraSound Extreme"); + gus->ess_flag = 1; + } else { + snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val); + snd_printk(KERN_ERR " please - report to <perex@perex.cz>\n"); + } + } + } + strcpy(card->shortname, card->longname); + gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */ + snd_gus_init_control(gus); + return 0; +} + +int snd_gus_initialize(struct snd_gus_card *gus) +{ + int err; + + if (!gus->interwave) { + if ((err = snd_gus_check_version(gus)) < 0) { + snd_printk(KERN_ERR "version check failed\n"); + return err; + } + if ((err = snd_gus_detect_memory(gus)) < 0) + return err; + } + if ((err = snd_gus_init_dma_irq(gus, 1)) < 0) + return err; + snd_gf1_start(gus); + gus->initialized = 1; + return 0; +} + + /* gus_io.c */ +EXPORT_SYMBOL(snd_gf1_delay); +EXPORT_SYMBOL(snd_gf1_write8); +EXPORT_SYMBOL(snd_gf1_look8); +EXPORT_SYMBOL(snd_gf1_write16); +EXPORT_SYMBOL(snd_gf1_look16); +EXPORT_SYMBOL(snd_gf1_i_write8); +EXPORT_SYMBOL(snd_gf1_i_look8); +EXPORT_SYMBOL(snd_gf1_i_look16); +EXPORT_SYMBOL(snd_gf1_dram_addr); +EXPORT_SYMBOL(snd_gf1_write_addr); +EXPORT_SYMBOL(snd_gf1_poke); +EXPORT_SYMBOL(snd_gf1_peek); + /* gus_reset.c */ +EXPORT_SYMBOL(snd_gf1_alloc_voice); +EXPORT_SYMBOL(snd_gf1_free_voice); +EXPORT_SYMBOL(snd_gf1_ctrl_stop); +EXPORT_SYMBOL(snd_gf1_stop_voice); + /* gus_mixer.c */ +EXPORT_SYMBOL(snd_gf1_new_mixer); + /* gus_pcm.c */ +EXPORT_SYMBOL(snd_gf1_pcm_new); + /* gus.c */ +EXPORT_SYMBOL(snd_gus_use_inc); +EXPORT_SYMBOL(snd_gus_use_dec); +EXPORT_SYMBOL(snd_gus_create); +EXPORT_SYMBOL(snd_gus_initialize); + /* gus_irq.c */ +EXPORT_SYMBOL(snd_gus_interrupt); + /* gus_uart.c */ +EXPORT_SYMBOL(snd_gf1_rawmidi_new); + /* gus_dram.c */ +EXPORT_SYMBOL(snd_gus_dram_write); +EXPORT_SYMBOL(snd_gus_dram_read); + /* gus_volume.c */ +EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw); +EXPORT_SYMBOL(snd_gf1_translate_freq); + /* gus_mem.c */ +EXPORT_SYMBOL(snd_gf1_mem_alloc); +EXPORT_SYMBOL(snd_gf1_mem_xfree); +EXPORT_SYMBOL(snd_gf1_mem_free); +EXPORT_SYMBOL(snd_gf1_mem_lock); + +/* + * INIT part + */ + +static int __init alsa_gus_init(void) +{ + return 0; +} + +static void __exit alsa_gus_exit(void) +{ +} + +module_init(alsa_gus_init) +module_exit(alsa_gus_exit) |