[mirror_ubuntu-bionic-kernel.git] / sound / isa / gus / gus_main.c

/*
 *  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 <sound/driver.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/ioport.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;
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
	if (gus->seq_dev) {
		snd_device_free(gus->card, gus->seq_dev);
		gus->seq_dev = NULL;
	}
#endif
	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;
	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, IRQF_DISABLED, "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;
	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);
	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};

	snd_assert(gus != NULL, return -EINVAL);
	card = gus->card;
	snd_assert(card != NULL, 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;
}

#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
static void snd_gus_seq_dev_free(struct snd_seq_device *seq_dev)
{
	struct snd_gus_card *gus = seq_dev->private_data;
	gus->seq_dev = NULL;
}
#endif

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;
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
	if (snd_seq_device_new(gus->card, 1, SNDRV_SEQ_DEV_ID_GUS,
			       sizeof(struct snd_gus_card *), &gus->seq_dev) >= 0) {
		strcpy(gus->seq_dev->name, "GUS");
		*(struct snd_gus_card **)SNDRV_SEQ_DEVICE_ARGPTR(gus->seq_dev) = gus;
		gus->seq_dev->private_data = gus;
		gus->seq_dev->private_free = snd_gus_seq_dev_free;
	}
#endif
	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)
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Routines for Gravis UltraSound soundcards
c1017a4c	3	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	4	*
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
	21
	22	#include <sound/driver.h>
	23	#include <linux/init.h>
	24	#include <linux/interrupt.h>
	25	#include <linux/delay.h>
	26	#include <linux/slab.h>
	27	#include <linux/ioport.h>
	28	#include <sound/core.h>
	29	#include <sound/gus.h>
	30	#include <sound/control.h>
	31
	32	#include <asm/dma.h>
	33
c1017a4c	34	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	35	MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
	36	MODULE_LICENSE("GPL");
	37
5e2da206	38	static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches);
1da177e4	39
5e2da206	40	int snd_gus_use_inc(struct snd_gus_card * gus)
1da177e4 LT	41	{
	42	if (!try_module_get(gus->card->module))
	43	return 0;
	44	return 1;
	45	}
	46
5e2da206	47	void snd_gus_use_dec(struct snd_gus_card * gus)
1da177e4 LT	48	{
	49	module_put(gus->card->module);
	50	}
	51
5e2da206	52	static int snd_gus_joystick_info(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
1da177e4 LT	53	{
	54	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	55	uinfo->count = 1;
	56	uinfo->value.integer.min = 0;
	57	uinfo->value.integer.max = 31;
	58	return 0;
	59	}
	60
5e2da206	61	static int snd_gus_joystick_get(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	62	{
5e2da206	63	struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
1da177e4 LT	64
	65	ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
	66	return 0;
	67	}
	68
5e2da206	69	static int snd_gus_joystick_put(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	70	{
5e2da206	71	struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
1da177e4 LT	72	unsigned long flags;
	73	int change;
	74	unsigned char nval;
	75
	76	nval = ucontrol->value.integer.value[0] & 31;
	77	spin_lock_irqsave(&gus->reg_lock, flags);
	78	change = gus->joystick_dac != nval;
	79	gus->joystick_dac = nval;
	80	snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
	81	spin_unlock_irqrestore(&gus->reg_lock, flags);
	82	return change;
	83	}
	84
5e2da206	85	static struct snd_kcontrol_new snd_gus_joystick_control = {
1da177e4 LT	86	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
	87	.name = "Joystick Speed",
	88	.info = snd_gus_joystick_info,
	89	.get = snd_gus_joystick_get,
	90	.put = snd_gus_joystick_put
	91	};
	92
5e2da206	93	static void snd_gus_init_control(struct snd_gus_card *gus)
1da177e4 LT	94	{
	95	if (!gus->ace_flag)
	96	snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
	97	}
	98
	99	/*
	100	*
	101	*/
	102
5e2da206	103	static int snd_gus_free(struct snd_gus_card *gus)
1da177e4 LT	104	{
	105	if (gus->gf1.res_port2 == NULL)
	106	goto __hw_end;
	107	#if defined(CONFIG_SND_SEQUENCER) \|\| (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
	108	if (gus->seq_dev) {
	109	snd_device_free(gus->card, gus->seq_dev);
	110	gus->seq_dev = NULL;
	111	}
	112	#endif
	113	snd_gf1_stop(gus);
	114	snd_gus_init_dma_irq(gus, 0);
	115	__hw_end:
b1d5776d TI	116	release_and_free_resource(gus->gf1.res_port1);
b1d5776d TI	117	release_and_free_resource(gus->gf1.res_port2);
1da177e4 LT	118	if (gus->gf1.irq >= 0)
	119	free_irq(gus->gf1.irq, (void *) gus);
	120	if (gus->gf1.dma1 >= 0) {
	121	disable_dma(gus->gf1.dma1);
	122	free_dma(gus->gf1.dma1);
	123	}
	124	if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
	125	disable_dma(gus->gf1.dma2);
	126	free_dma(gus->gf1.dma2);
	127	}
	128	kfree(gus);
	129	return 0;
	130	}
	131
5e2da206	132	static int snd_gus_dev_free(struct snd_device *device)
1da177e4	133	{
5e2da206	134	struct snd_gus_card *gus = device->device_data;
1da177e4 LT	135	return snd_gus_free(gus);
	136	}
	137
5e2da206	138	int snd_gus_create(struct snd_card *card,
1da177e4 LT	139	unsigned long port,
	140	int irq, int dma1, int dma2,
	141	int timer_dev,
	142	int voices,
	143	int pcm_channels,
	144	int effect,
5e2da206	145	struct snd_gus_card **rgus)
1da177e4	146	{
5e2da206	147	struct snd_gus_card *gus;
1da177e4	148	int err;
5e2da206	149	static struct snd_device_ops ops = {
1da177e4 LT	150	.dev_free = snd_gus_dev_free,
	151	};
	152
	153	*rgus = NULL;
9e76a76e	154	gus = kzalloc(sizeof(*gus), GFP_KERNEL);
1da177e4 LT	155	if (gus == NULL)
	156	return -ENOMEM;
	157	gus->gf1.irq = -1;
	158	gus->gf1.dma1 = -1;
	159	gus->gf1.dma2 = -1;
	160	gus->card = card;
	161	gus->gf1.port = port;
	162	/* fill register variables for speedup */
	163	gus->gf1.reg_page = GUSP(gus, GF1PAGE);
	164	gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
	165	gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
	166	gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
	167	gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
	168	gus->gf1.reg_dram = GUSP(gus, DRAM);
	169	gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
	170	gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
	171	/* allocate resources */
	172	if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) {
	173	snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
	174	snd_gus_free(gus);
	175	return -EBUSY;
	176	}
	177	if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) {
	178	snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
	179	snd_gus_free(gus);
	180	return -EBUSY;
	181	}
65ca68b3	182	if (irq >= 0 && request_irq(irq, snd_gus_interrupt, IRQF_DISABLED, "GUS GF1", (void *) gus)) {
1da177e4 LT	183	snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
	184	snd_gus_free(gus);
	185	return -EBUSY;
	186	}
	187	gus->gf1.irq = irq;
	188	if (request_dma(dma1, "GUS - 1")) {
	189	snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
	190	snd_gus_free(gus);
	191	return -EBUSY;
	192	}
	193	gus->gf1.dma1 = dma1;
	194	if (dma2 >= 0 && dma1 != dma2) {
	195	if (request_dma(dma2, "GUS - 2")) {
	196	snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
	197	snd_gus_free(gus);
	198	return -EBUSY;
	199	}
	200	gus->gf1.dma2 = dma2;
	201	} else {
	202	gus->gf1.dma2 = gus->gf1.dma1;
	203	gus->equal_dma = 1;
	204	}
	205	gus->timer_dev = timer_dev;
	206	if (voices < 14)
	207	voices = 14;
	208	if (voices > 32)
	209	voices = 32;
	210	if (pcm_channels < 0)
	211	pcm_channels = 0;
	212	if (pcm_channels > 8)
	213	pcm_channels = 8;
	214	pcm_channels++;
	215	pcm_channels &= ~1;
	216	gus->gf1.effect = effect ? 1 : 0;
	217	gus->gf1.active_voices = voices;
	218	gus->gf1.pcm_channels = pcm_channels;
	219	gus->gf1.volume_ramp = 25;
	220	gus->gf1.smooth_pan = 1;
	221	spin_lock_init(&gus->reg_lock);
	222	spin_lock_init(&gus->voice_alloc);
	223	spin_lock_init(&gus->active_voice_lock);
	224	spin_lock_init(&gus->event_lock);
	225	spin_lock_init(&gus->dma_lock);
	226	spin_lock_init(&gus->pcm_volume_level_lock);
	227	spin_lock_init(&gus->uart_cmd_lock);
8b7547f9	228	mutex_init(&gus->dma_mutex);
1da177e4 LT	229	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) {
	230	snd_gus_free(gus);
	231	return err;
	232	}
	233	*rgus = gus;
	234	return 0;
	235	}
	236
	237	/*
	238	* Memory detection routine for plain GF1 soundcards
	239	*/
	240
5e2da206	241	static int snd_gus_detect_memory(struct snd_gus_card * gus)
1da177e4 LT	242	{
	243	int l, idx, local;
	244	unsigned char d;
	245
	246	snd_gf1_poke(gus, 0L, 0xaa);
	247	snd_gf1_poke(gus, 1L, 0x55);
	248	if (snd_gf1_peek(gus, 0L) != 0xaa \|\| snd_gf1_peek(gus, 1L) != 0x55) {
99b359ba	249	snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
1da177e4 LT	250	return -ENOMEM;
	251	}
	252	for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
	253	local = idx << 18;
	254	snd_gf1_poke(gus, local, d);
	255	snd_gf1_poke(gus, local + 1, d + 1);
	256	if (snd_gf1_peek(gus, local) != d \|\|
	257	snd_gf1_peek(gus, local + 1) != d + 1 \|\|
	258	snd_gf1_peek(gus, 0L) != 0xaa)
	259	break;
	260	}
	261	#if 1
	262	gus->gf1.memory = idx << 18;
	263	#else
	264	gus->gf1.memory = 256 * 1024;
	265	#endif
	266	for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
	267	gus->gf1.mem_alloc.banks_8[l].address =
	268	gus->gf1.mem_alloc.banks_8[l].size = 0;
	269	gus->gf1.mem_alloc.banks_16[l].address = l << 18;
	270	gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
	271	}
	272	gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
	273	return 0; /* some memory were detected */
	274	}
	275
5e2da206	276	static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
1da177e4	277	{
5e2da206	278	struct snd_card *card;
1da177e4 LT	279	unsigned long flags;
	280	int irq, dma1, dma2;
	281	static unsigned char irqs[16] =
	282	{0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
	283	static unsigned char dmas[8] =
	284	{6, 1, 0, 2, 0, 3, 4, 5};
	285
	286	snd_assert(gus != NULL, return -EINVAL);
	287	card = gus->card;
	288	snd_assert(card != NULL, return -EINVAL);
	289
	290	gus->mix_cntrl_reg &= 0xf8;
	291	gus->mix_cntrl_reg \|= 0x01; /* disable MIC, LINE IN, enable LINE OUT */
	292	if (gus->codec_flag \|\| gus->ess_flag) {
	293	gus->mix_cntrl_reg &= ~1; /* enable LINE IN */
	294	gus->mix_cntrl_reg \|= 4; /* enable MIC */
	295	}
	296	dma1 = gus->gf1.dma1;
377a4f7e	297	dma1 = abs(dma1);
1da177e4 LT	298	dma1 = dmas[dma1 & 7];
1da177e4 LT	299	dma2 = gus->gf1.dma2;
377a4f7e	300	dma2 = abs(dma2);
1da177e4	301	dma2 = dmas[dma2 & 7];
1da177e4 LT	302	dma1 \|= gus->equal_dma ? 0x40 : (dma2 << 3);
	303
	304	if ((dma1 & 7) == 0 \|\| (dma2 & 7) == 0) {
99b359ba	305	snd_printk(KERN_ERR "Error! DMA isn't defined.\n");
1da177e4 LT	306	return -EINVAL;
	307	}
	308	irq = gus->gf1.irq;
377a4f7e	309	irq = abs(irq);
1da177e4 LT	310	irq = irqs[irq & 0x0f];
1da177e4 LT	311	if (irq == 0) {
99b359ba	312	snd_printk(KERN_ERR "Error! IRQ isn't defined.\n");
1da177e4 LT	313	return -EINVAL;
	314	}
	315	irq \|= 0x40;
	316	#if 0
	317	card->mixer.mix_ctrl_reg \|= 0x10;
	318	#endif
	319
	320	spin_lock_irqsave(&gus->reg_lock, flags);
	321	outb(5, GUSP(gus, REGCNTRLS));
	322	outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
	323	outb(0x00, GUSP(gus, IRQDMACNTRLREG));
	324	outb(0, GUSP(gus, REGCNTRLS));
	325	spin_unlock_irqrestore(&gus->reg_lock, flags);
	326
	327	udelay(100);
	328
	329	spin_lock_irqsave(&gus->reg_lock, flags);
	330	outb(0x00 \| gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
	331	outb(dma1, GUSP(gus, IRQDMACNTRLREG));
	332	if (latches) {
	333	outb(0x40 \| gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
	334	outb(irq, GUSP(gus, IRQDMACNTRLREG));
	335	}
	336	spin_unlock_irqrestore(&gus->reg_lock, flags);
	337
	338	udelay(100);
	339
	340	spin_lock_irqsave(&gus->reg_lock, flags);
	341	outb(0x00 \| gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
	342	outb(dma1, GUSP(gus, IRQDMACNTRLREG));
	343	if (latches) {
	344	outb(0x40 \| gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
	345	outb(irq, GUSP(gus, IRQDMACNTRLREG));
	346	}
	347	spin_unlock_irqrestore(&gus->reg_lock, flags);
	348
	349	snd_gf1_delay(gus);
	350
	351	if (latches)
	352	gus->mix_cntrl_reg \|= 0x08; /* enable latches */
	353	else
	354	gus->mix_cntrl_reg &= ~0x08; /* disable latches */
	355	spin_lock_irqsave(&gus->reg_lock, flags);
	356	outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
	357	outb(0, GUSP(gus, GF1PAGE));
	358	spin_unlock_irqrestore(&gus->reg_lock, flags);
	359
	360	return 0;
	361	}
	362
5e2da206	363	static int snd_gus_check_version(struct snd_gus_card * gus)
1da177e4 LT	364	{
	365	unsigned long flags;
	366	unsigned char val, rev;
5e2da206	367	struct snd_card *card;
1da177e4 LT	368
	369	card = gus->card;
	370	spin_lock_irqsave(&gus->reg_lock, flags);
	371	outb(0x20, GUSP(gus, REGCNTRLS));
	372	val = inb(GUSP(gus, REGCNTRLS));
	373	rev = inb(GUSP(gus, BOARDVERSION));
	374	spin_unlock_irqrestore(&gus->reg_lock, flags);
	375	snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
	376	strcpy(card->driver, "GUS");
	377	strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
	378	if ((val != 255 && (val & 0x06)) \|\| (rev >= 5 && rev != 255)) {
	379	if (rev >= 5 && rev <= 9) {
	380	gus->ics_flag = 1;
	381	if (rev == 5)
	382	gus->ics_flipped = 1;
	383	card->longname[27] = '3';
	384	card->longname[29] = rev == 5 ? '5' : '7';
	385	}
	386	if (rev >= 10 && rev != 255) {
	387	if (rev >= 10 && rev <= 11) {
	388	strcpy(card->driver, "GUS MAX");
	389	strcpy(card->longname, "Gravis UltraSound MAX");
	390	gus->max_flag = 1;
	391	} else if (rev == 0x30) {
	392	strcpy(card->driver, "GUS ACE");
	393	strcpy(card->longname, "Gravis UltraSound Ace");
	394	gus->ace_flag = 1;
	395	} else if (rev == 0x50) {
	396	strcpy(card->driver, "GUS Extreme");
	397	strcpy(card->longname, "Gravis UltraSound Extreme");
	398	gus->ess_flag = 1;
	399	} else {
99b359ba	400	snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
c1017a4c	401	snd_printk(KERN_ERR " please - report to <perex@perex.cz>\n");
1da177e4 LT	402	}
	403	}
	404	}
	405	strcpy(card->shortname, card->longname);
	406	gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */
	407	snd_gus_init_control(gus);
	408	return 0;
	409	}
	410
5b738bab	411	#if defined(CONFIG_SND_SEQUENCER) \|\| (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
5e2da206	412	static void snd_gus_seq_dev_free(struct snd_seq_device *seq_dev)
1da177e4	413	{
5e2da206	414	struct snd_gus_card *gus = seq_dev->private_data;
1da177e4 LT	415	gus->seq_dev = NULL;
1da177e4 LT	416	}
5b738bab	417	#endif
1da177e4	418
5e2da206	419	int snd_gus_initialize(struct snd_gus_card *gus)
1da177e4 LT	420	{
	421	int err;
	422
	423	if (!gus->interwave) {
	424	if ((err = snd_gus_check_version(gus)) < 0) {
99b359ba	425	snd_printk(KERN_ERR "version check failed\n");
1da177e4 LT	426	return err;
	427	}
	428	if ((err = snd_gus_detect_memory(gus)) < 0)
	429	return err;
	430	}
	431	if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)
	432	return err;
	433	#if defined(CONFIG_SND_SEQUENCER) \|\| (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
	434	if (snd_seq_device_new(gus->card, 1, SNDRV_SEQ_DEV_ID_GUS,
5e2da206	435	sizeof(struct snd_gus_card *), &gus->seq_dev) >= 0) {
1da177e4	436	strcpy(gus->seq_dev->name, "GUS");
5e2da206	437	(struct snd_gus_card *)SNDRV_SEQ_DEVICE_ARGPTR(gus->seq_dev) = gus;
1da177e4 LT	438	gus->seq_dev->private_data = gus;
	439	gus->seq_dev->private_free = snd_gus_seq_dev_free;
	440	}
	441	#endif
	442	snd_gf1_start(gus);
	443	gus->initialized = 1;
	444	return 0;
	445	}
	446
	447	/* gus_io.c */
	448	EXPORT_SYMBOL(snd_gf1_delay);
	449	EXPORT_SYMBOL(snd_gf1_write8);
	450	EXPORT_SYMBOL(snd_gf1_look8);
	451	EXPORT_SYMBOL(snd_gf1_write16);
	452	EXPORT_SYMBOL(snd_gf1_look16);
	453	EXPORT_SYMBOL(snd_gf1_i_write8);
	454	EXPORT_SYMBOL(snd_gf1_i_look8);
1da177e4 LT	455	EXPORT_SYMBOL(snd_gf1_i_look16);
	456	EXPORT_SYMBOL(snd_gf1_dram_addr);
	457	EXPORT_SYMBOL(snd_gf1_write_addr);
	458	EXPORT_SYMBOL(snd_gf1_poke);
	459	EXPORT_SYMBOL(snd_gf1_peek);
	460	/* gus_reset.c */
	461	EXPORT_SYMBOL(snd_gf1_alloc_voice);
	462	EXPORT_SYMBOL(snd_gf1_free_voice);
	463	EXPORT_SYMBOL(snd_gf1_ctrl_stop);
	464	EXPORT_SYMBOL(snd_gf1_stop_voice);
1da177e4 LT	465	/* gus_mixer.c */
	466	EXPORT_SYMBOL(snd_gf1_new_mixer);
	467	/* gus_pcm.c */
	468	EXPORT_SYMBOL(snd_gf1_pcm_new);
	469	/* gus.c */
	470	EXPORT_SYMBOL(snd_gus_use_inc);
	471	EXPORT_SYMBOL(snd_gus_use_dec);
	472	EXPORT_SYMBOL(snd_gus_create);
	473	EXPORT_SYMBOL(snd_gus_initialize);
	474	/* gus_irq.c */
	475	EXPORT_SYMBOL(snd_gus_interrupt);
	476	/* gus_uart.c */
	477	EXPORT_SYMBOL(snd_gf1_rawmidi_new);
	478	/* gus_dram.c */
	479	EXPORT_SYMBOL(snd_gus_dram_write);
	480	EXPORT_SYMBOL(snd_gus_dram_read);
	481	/* gus_volume.c */
	482	EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
	483	EXPORT_SYMBOL(snd_gf1_translate_freq);
	484	/* gus_mem.c */
	485	EXPORT_SYMBOL(snd_gf1_mem_alloc);
	486	EXPORT_SYMBOL(snd_gf1_mem_xfree);
	487	EXPORT_SYMBOL(snd_gf1_mem_free);
	488	EXPORT_SYMBOL(snd_gf1_mem_lock);
	489
	490	/*
	491	* INIT part
	492	*/
	493
	494	static int __init alsa_gus_init(void)
	495	{
	496	return 0;
	497	}
	498
	499	static void __exit alsa_gus_exit(void)
	500	{
	501	}
	502
	503	module_init(alsa_gus_init)
	504	module_exit(alsa_gus_exit)