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linux/sound/isa/gus/gus_main.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Routines for Gravis UltraSound soundcards
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*/
#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 const 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)
{
int ret;
if (!gus->ace_flag) {
ret =
snd_ctl_add(gus->card,
snd_ctl_new1(&snd_gus_joystick_control,
gus));
if (ret)
snd_printk(KERN_ERR "gus: snd_ctl_add failed: %d\n",
ret);
}
}
/*
*
*/
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);
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