2 * Driver for generic ESS AudioDrive ESx688 soundcards
3 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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.
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.
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
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/err.h>
25 #include <linux/platform_device.h>
26 #include <linux/time.h>
27 #include <linux/wait.h>
28 #include <linux/moduleparam.h>
30 #include <sound/core.h>
31 #include <sound/es1688.h>
32 #include <sound/mpu401.h>
33 #include <sound/opl3.h>
34 #define SNDRV_LEGACY_FIND_FREE_IRQ
35 #define SNDRV_LEGACY_FIND_FREE_DMA
36 #include <sound/initval.h>
38 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
39 MODULE_DESCRIPTION("ESS ESx688 AudioDrive");
40 MODULE_LICENSE("GPL");
41 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
42 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
43 "{ESS,ES688 AudioDrive,pnp:ESS6881},"
44 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
46 static int index
[SNDRV_CARDS
] = SNDRV_DEFAULT_IDX
; /* Index 0-MAX */
47 static char *id
[SNDRV_CARDS
] = SNDRV_DEFAULT_STR
; /* ID for this card */
48 static int enable
[SNDRV_CARDS
] = SNDRV_DEFAULT_ENABLE
; /* Enable this card */
49 static long port
[SNDRV_CARDS
] = SNDRV_DEFAULT_PORT
; /* 0x220,0x240,0x260 */
50 static long mpu_port
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
- 1)] = -1};
51 static int irq
[SNDRV_CARDS
] = SNDRV_DEFAULT_IRQ
; /* 5,7,9,10 */
52 static int mpu_irq
[SNDRV_CARDS
] = SNDRV_DEFAULT_IRQ
; /* 5,7,9,10 */
53 static int dma8
[SNDRV_CARDS
] = SNDRV_DEFAULT_DMA
; /* 0,1,3 */
55 module_param_array(index
, int, NULL
, 0444);
56 MODULE_PARM_DESC(index
, "Index value for ESx688 soundcard.");
57 module_param_array(id
, charp
, NULL
, 0444);
58 MODULE_PARM_DESC(id
, "ID string for ESx688 soundcard.");
59 module_param_array(enable
, bool, NULL
, 0444);
60 MODULE_PARM_DESC(enable
, "Enable ESx688 soundcard.");
61 module_param_array(port
, long, NULL
, 0444);
62 MODULE_PARM_DESC(port
, "Port # for ESx688 driver.");
63 module_param_array(mpu_port
, long, NULL
, 0444);
64 MODULE_PARM_DESC(mpu_port
, "MPU-401 port # for ESx688 driver.");
65 module_param_array(irq
, int, NULL
, 0444);
66 MODULE_PARM_DESC(irq
, "IRQ # for ESx688 driver.");
67 module_param_array(mpu_irq
, int, NULL
, 0444);
68 MODULE_PARM_DESC(mpu_irq
, "MPU-401 IRQ # for ESx688 driver.");
69 module_param_array(dma8
, int, NULL
, 0444);
70 MODULE_PARM_DESC(dma8
, "8-bit DMA # for ESx688 driver.");
72 #define PFX "es1688: "
74 static int __init
snd_es1688_probe(struct platform_device
*pdev
)
77 static int possible_irqs
[] = {5, 9, 10, 7, -1};
78 static int possible_dmas
[] = {1, 3, 0, -1};
79 int xirq
, xdma
, xmpu_irq
;
80 struct snd_card
*card
;
81 struct snd_es1688
*chip
;
82 struct snd_opl3
*opl3
;
86 card
= snd_card_new(index
[dev
], id
[dev
], THIS_MODULE
, 0);
91 if (xirq
== SNDRV_AUTO_IRQ
) {
92 if ((xirq
= snd_legacy_find_free_irq(possible_irqs
)) < 0) {
93 snd_printk(KERN_ERR PFX
"unable to find a free IRQ\n");
98 xmpu_irq
= mpu_irq
[dev
];
100 if (xdma
== SNDRV_AUTO_DMA
) {
101 if ((xdma
= snd_legacy_find_free_dma(possible_dmas
)) < 0) {
102 snd_printk(KERN_ERR PFX
"unable to find a free DMA\n");
108 if (port
[dev
] != SNDRV_AUTO_PORT
) {
109 if ((err
= snd_es1688_create(card
, port
[dev
], mpu_port
[dev
],
110 xirq
, xmpu_irq
, xdma
,
111 ES1688_HW_AUTO
, &chip
)) < 0)
114 /* auto-probe legacy ports */
115 static unsigned long possible_ports
[] = {
119 for (i
= 0; i
< ARRAY_SIZE(possible_ports
); i
++) {
120 err
= snd_es1688_create(card
, possible_ports
[i
],
122 xirq
, xmpu_irq
, xdma
,
123 ES1688_HW_AUTO
, &chip
);
125 port
[dev
] = possible_ports
[i
];
129 if (i
>= ARRAY_SIZE(possible_ports
))
133 if ((err
= snd_es1688_pcm(chip
, 0, &pcm
)) < 0)
136 if ((err
= snd_es1688_mixer(chip
)) < 0)
139 strcpy(card
->driver
, "ES1688");
140 strcpy(card
->shortname
, pcm
->name
);
141 sprintf(card
->longname
, "%s at 0x%lx, irq %i, dma %i", pcm
->name
, chip
->port
, xirq
, xdma
);
143 if ((snd_opl3_create(card
, chip
->port
, chip
->port
+ 2, OPL3_HW_OPL3
, 0, &opl3
)) < 0) {
144 printk(KERN_WARNING PFX
"opl3 not detected at 0x%lx\n", chip
->port
);
146 if ((err
= snd_opl3_hwdep_new(opl3
, 0, 1, NULL
)) < 0)
150 if (xmpu_irq
>= 0 && xmpu_irq
!= SNDRV_AUTO_IRQ
&& chip
->mpu_port
> 0) {
151 if ((err
= snd_mpu401_uart_new(card
, 0, MPU401_HW_ES1688
,
159 snd_card_set_dev(card
, &pdev
->dev
);
161 if ((err
= snd_card_register(card
)) < 0)
164 platform_set_drvdata(pdev
, card
);
172 static int snd_es1688_remove(struct platform_device
*devptr
)
174 snd_card_free(platform_get_drvdata(devptr
));
175 platform_set_drvdata(devptr
, NULL
);
179 #define ES1688_DRIVER "snd_es1688"
181 static struct platform_driver snd_es1688_driver
= {
182 .probe
= snd_es1688_probe
,
183 .remove
= snd_es1688_remove
,
184 /* FIXME: suspend/resume */
186 .name
= ES1688_DRIVER
190 static int __init
alsa_card_es1688_init(void)
194 err
= platform_driver_register(&snd_es1688_driver
);
199 for (i
= 0; i
< SNDRV_CARDS
&& enable
[i
]; i
++) {
200 struct platform_device
*device
;
201 device
= platform_device_register_simple(ES1688_DRIVER
,
203 if (IS_ERR(device
)) {
204 err
= PTR_ERR(device
);
211 printk(KERN_ERR
"ESS AudioDrive ES1688 soundcard not found or device busy\n");
219 platform_driver_unregister(&snd_es1688_driver
);
223 static void __exit
alsa_card_es1688_exit(void)
225 platform_driver_unregister(&snd_es1688_driver
);
228 module_init(alsa_card_es1688_init
)
229 module_exit(alsa_card_es1688_exit
)