1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
4 * Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
5 * Jaroslav Kysela <perex@perex.cz>
6 * Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
9 #include <linux/init.h>
10 #include <linux/err.h>
11 #include <linux/isa.h>
12 #include <linux/time.h>
13 #include <linux/wait.h>
14 #include <linux/module.h>
15 #include <sound/core.h>
16 #include <sound/wss.h>
17 #include <sound/initval.h>
19 #define CRD_NAME "Generic AD1848/AD1847/CS4248"
20 #define DEV_NAME "ad1848"
22 MODULE_DESCRIPTION(CRD_NAME
);
23 MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
24 MODULE_LICENSE("GPL");
25 MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
26 "{Analog Devices,AD1847},"
27 "{Crystal Semiconductors,CS4248}}");
29 static int index
[SNDRV_CARDS
] = SNDRV_DEFAULT_IDX
; /* Index 0-MAX */
30 static char *id
[SNDRV_CARDS
] = SNDRV_DEFAULT_STR
; /* ID for this card */
31 static bool enable
[SNDRV_CARDS
] = SNDRV_DEFAULT_ENABLE
; /* Enable this card */
32 static long port
[SNDRV_CARDS
] = SNDRV_DEFAULT_PORT
; /* PnP setup */
33 static int irq
[SNDRV_CARDS
] = SNDRV_DEFAULT_IRQ
; /* 5,7,9,11,12,15 */
34 static int dma1
[SNDRV_CARDS
] = SNDRV_DEFAULT_DMA
; /* 0,1,3,5,6,7 */
35 static bool thinkpad
[SNDRV_CARDS
]; /* Thinkpad special case */
37 module_param_array(index
, int, NULL
, 0444);
38 MODULE_PARM_DESC(index
, "Index value for " CRD_NAME
" soundcard.");
39 module_param_array(id
, charp
, NULL
, 0444);
40 MODULE_PARM_DESC(id
, "ID string for " CRD_NAME
" soundcard.");
41 module_param_array(enable
, bool, NULL
, 0444);
42 MODULE_PARM_DESC(enable
, "Enable " CRD_NAME
" soundcard.");
43 module_param_hw_array(port
, long, ioport
, NULL
, 0444);
44 MODULE_PARM_DESC(port
, "Port # for " CRD_NAME
" driver.");
45 module_param_hw_array(irq
, int, irq
, NULL
, 0444);
46 MODULE_PARM_DESC(irq
, "IRQ # for " CRD_NAME
" driver.");
47 module_param_hw_array(dma1
, int, dma
, NULL
, 0444);
48 MODULE_PARM_DESC(dma1
, "DMA1 # for " CRD_NAME
" driver.");
49 module_param_array(thinkpad
, bool, NULL
, 0444);
50 MODULE_PARM_DESC(thinkpad
, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
52 static int snd_ad1848_match(struct device
*dev
, unsigned int n
)
57 if (port
[n
] == SNDRV_AUTO_PORT
) {
58 dev_err(dev
, "please specify port\n");
61 if (irq
[n
] == SNDRV_AUTO_IRQ
) {
62 dev_err(dev
, "please specify irq\n");
65 if (dma1
[n
] == SNDRV_AUTO_DMA
) {
66 dev_err(dev
, "please specify dma1\n");
72 static int snd_ad1848_probe(struct device
*dev
, unsigned int n
)
74 struct snd_card
*card
;
78 error
= snd_card_new(dev
, index
[n
], id
[n
], THIS_MODULE
, 0, &card
);
82 error
= snd_wss_create(card
, port
[n
], -1, irq
[n
], dma1
[n
], -1,
83 thinkpad
[n
] ? WSS_HW_THINKPAD
: WSS_HW_DETECT
,
88 card
->private_data
= chip
;
90 error
= snd_wss_pcm(chip
, 0);
94 error
= snd_wss_mixer(chip
);
98 strlcpy(card
->driver
, "AD1848", sizeof(card
->driver
));
99 strlcpy(card
->shortname
, chip
->pcm
->name
, sizeof(card
->shortname
));
102 snprintf(card
->longname
, sizeof(card
->longname
),
103 "%s at 0x%lx, irq %d, dma %d",
104 chip
->pcm
->name
, chip
->port
, irq
[n
], dma1
[n
]);
106 snprintf(card
->longname
, sizeof(card
->longname
),
107 "%s at 0x%lx, irq %d, dma %d [Thinkpad]",
108 chip
->pcm
->name
, chip
->port
, irq
[n
], dma1
[n
]);
110 error
= snd_card_register(card
);
114 dev_set_drvdata(dev
, card
);
117 out
: snd_card_free(card
);
121 static int snd_ad1848_remove(struct device
*dev
, unsigned int n
)
123 snd_card_free(dev_get_drvdata(dev
));
128 static int snd_ad1848_suspend(struct device
*dev
, unsigned int n
, pm_message_t state
)
130 struct snd_card
*card
= dev_get_drvdata(dev
);
131 struct snd_wss
*chip
= card
->private_data
;
133 snd_power_change_state(card
, SNDRV_CTL_POWER_D3hot
);
138 static int snd_ad1848_resume(struct device
*dev
, unsigned int n
)
140 struct snd_card
*card
= dev_get_drvdata(dev
);
141 struct snd_wss
*chip
= card
->private_data
;
144 snd_power_change_state(card
, SNDRV_CTL_POWER_D0
);
149 static struct isa_driver snd_ad1848_driver
= {
150 .match
= snd_ad1848_match
,
151 .probe
= snd_ad1848_probe
,
152 .remove
= snd_ad1848_remove
,
154 .suspend
= snd_ad1848_suspend
,
155 .resume
= snd_ad1848_resume
,
162 module_isa_driver(snd_ad1848_driver
, SNDRV_CARDS
);