linux/sound/isa/cs423x/cs4231.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

180 lines
5.0 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Generic driver for CS4231 chips
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Originally the CS4232/CS4232A driver, modified for use on CS4231 by
* Tugrul Galatali <galatalt@stuy.edu>
*/
#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/mpu401.h>
#include <sound/initval.h>
#define CRD_NAME "Generic CS4231"
#define DEV_NAME "cs4231"
MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_hw_array(irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_hw_array(dma1, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_hw_array(dma2, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
static int snd_cs4231_match(struct device *dev, unsigned int n)
{
if (!enable[n])
return 0;
if (port[n] == SNDRV_AUTO_PORT) {
dev_err(dev, "please specify port\n");
return 0;
}
if (irq[n] == SNDRV_AUTO_IRQ) {
dev_err(dev, "please specify irq\n");
return 0;
}
if (dma1[n] == SNDRV_AUTO_DMA) {
dev_err(dev, "please specify dma1\n");
return 0;
}
return 1;
}
static int snd_cs4231_probe(struct device *dev, unsigned int n)
{
struct snd_card *card;
struct snd_wss *chip;
int error;
error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
if (error < 0)
return error;
error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
WSS_HW_DETECT, 0, &chip);
if (error < 0)
goto out;
card->private_data = chip;
error = snd_wss_pcm(chip, 0);
if (error < 0)
goto out;
strlcpy(card->driver, "CS4231", sizeof(card->driver));
strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
if (dma2[n] < 0)
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx, irq %d, dma %d",
chip->pcm->name, chip->port, irq[n], dma1[n]);
else
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx, irq %d, dma %d&%d",
chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);
error = snd_wss_mixer(chip);
if (error < 0)
goto out;
error = snd_wss_timer(chip, 0);
if (error < 0)
goto out;
if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
if (mpu_irq[n] == SNDRV_AUTO_IRQ)
mpu_irq[n] = -1;
if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
mpu_port[n], 0, mpu_irq[n],
NULL) < 0)
dev_warn(dev, "MPU401 not detected\n");
}
error = snd_card_register(card);
if (error < 0)
goto out;
dev_set_drvdata(dev, card);
return 0;
out: snd_card_free(card);
return error;
}
static int snd_cs4231_remove(struct device *dev, unsigned int n)
{
snd_card_free(dev_get_drvdata(dev));
return 0;
}
#ifdef CONFIG_PM
static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
{
struct snd_card *card = dev_get_drvdata(dev);
struct snd_wss *chip = card->private_data;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
chip->suspend(chip);
return 0;
}
static int snd_cs4231_resume(struct device *dev, unsigned int n)
{
struct snd_card *card = dev_get_drvdata(dev);
struct snd_wss *chip = card->private_data;
chip->resume(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif
static struct isa_driver snd_cs4231_driver = {
.match = snd_cs4231_match,
.probe = snd_cs4231_probe,
.remove = snd_cs4231_remove,
#ifdef CONFIG_PM
.suspend = snd_cs4231_suspend,
.resume = snd_cs4231_resume,
#endif
.driver = {
.name = DEV_NAME
}
};
module_isa_driver(snd_cs4231_driver, SNDRV_CARDS);