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 00000000000..a99fa5040b4
--- /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)