mirror of
https://github.com/torvalds/linux.git
synced 2024-12-05 02:23:16 +00:00
1a59d1b8e0
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>
163 lines
4.5 KiB
C
163 lines
4.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
|
|
* Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
|
|
* Jaroslav Kysela <perex@perex.cz>
|
|
* Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
|
|
*/
|
|
|
|
#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/initval.h>
|
|
|
|
#define CRD_NAME "Generic AD1848/AD1847/CS4248"
|
|
#define DEV_NAME "ad1848"
|
|
|
|
MODULE_DESCRIPTION(CRD_NAME);
|
|
MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
|
|
"{Analog Devices,AD1847},"
|
|
"{Crystal Semiconductors,CS4248}}");
|
|
|
|
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 int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
|
|
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
|
|
static bool thinkpad[SNDRV_CARDS]; /* Thinkpad special case */
|
|
|
|
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(irq, int, irq, NULL, 0444);
|
|
MODULE_PARM_DESC(irq, "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_array(thinkpad, bool, NULL, 0444);
|
|
MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
|
|
|
|
static int snd_ad1848_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_ad1848_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], -1,
|
|
thinkpad[n] ? WSS_HW_THINKPAD : 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;
|
|
|
|
error = snd_wss_mixer(chip);
|
|
if (error < 0)
|
|
goto out;
|
|
|
|
strlcpy(card->driver, "AD1848", sizeof(card->driver));
|
|
strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
|
|
|
|
if (!thinkpad[n])
|
|
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 [Thinkpad]",
|
|
chip->pcm->name, chip->port, irq[n], dma1[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_ad1848_remove(struct device *dev, unsigned int n)
|
|
{
|
|
snd_card_free(dev_get_drvdata(dev));
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int snd_ad1848_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_ad1848_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_ad1848_driver = {
|
|
.match = snd_ad1848_match,
|
|
.probe = snd_ad1848_probe,
|
|
.remove = snd_ad1848_remove,
|
|
#ifdef CONFIG_PM
|
|
.suspend = snd_ad1848_suspend,
|
|
.resume = snd_ad1848_resume,
|
|
#endif
|
|
.driver = {
|
|
.name = DEV_NAME
|
|
}
|
|
};
|
|
|
|
module_isa_driver(snd_ad1848_driver, SNDRV_CARDS);
|