--- /dev/null
+/*
+ * 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)
Code Review / kvmfornfv.git / blobdiff