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 static struct platform_device *devices[SNDRV_CARDS];
74 #define PFX "es1688: "
76 static int __init snd_es1688_probe(struct platform_device *pdev)
79 static int possible_irqs[] = {5, 9, 10, 7, -1};
80 static int possible_dmas[] = {1, 3, 0, -1};
81 int xirq, xdma, xmpu_irq;
82 struct snd_card *card;
83 struct snd_es1688 *chip;
84 struct snd_opl3 *opl3;
88 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
93 if (xirq == SNDRV_AUTO_IRQ) {
94 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
95 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
100 xmpu_irq = mpu_irq[dev];
102 if (xdma == SNDRV_AUTO_DMA) {
103 if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) {
104 snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
110 if (port[dev] != SNDRV_AUTO_PORT) {
111 if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],
112 xirq, xmpu_irq, xdma,
113 ES1688_HW_AUTO, &chip)) < 0)
116 /* auto-probe legacy ports */
117 static unsigned long possible_ports[] = {
121 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
122 err = snd_es1688_create(card, possible_ports[i],
124 xirq, xmpu_irq, xdma,
125 ES1688_HW_AUTO, &chip);
127 port[dev] = possible_ports[i];
131 if (i >= ARRAY_SIZE(possible_ports))
135 if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0)
138 if ((err = snd_es1688_mixer(chip)) < 0)
141 strcpy(card->driver, "ES1688");
142 strcpy(card->shortname, pcm->name);
143 sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name, chip->port, xirq, xdma);
145 if ((snd_opl3_create(card, chip->port, chip->port + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) {
146 printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->port);
148 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
152 if (xmpu_irq >= 0 && xmpu_irq != SNDRV_AUTO_IRQ && chip->mpu_port > 0) {
153 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
161 snd_card_set_dev(card, &pdev->dev);
163 if ((err = snd_card_register(card)) < 0)
166 platform_set_drvdata(pdev, card);
174 static int snd_es1688_remove(struct platform_device *devptr)
176 snd_card_free(platform_get_drvdata(devptr));
177 platform_set_drvdata(devptr, NULL);
181 #define ES1688_DRIVER "snd_es1688"
183 static struct platform_driver snd_es1688_driver = {
184 .probe = snd_es1688_probe,
185 .remove = snd_es1688_remove,
186 /* FIXME: suspend/resume */
188 .name = ES1688_DRIVER
192 static void __init_or_module snd_es1688_unregister_all(void)
196 for (i = 0; i < ARRAY_SIZE(devices); ++i)
197 platform_device_unregister(devices[i]);
198 platform_driver_unregister(&snd_es1688_driver);
201 static int __init alsa_card_es1688_init(void)
205 err = platform_driver_register(&snd_es1688_driver);
210 for (i = 0; i < SNDRV_CARDS; i++) {
211 struct platform_device *device;
214 device = platform_device_register_simple(ES1688_DRIVER,
218 if (!platform_get_drvdata(device)) {
219 platform_device_unregister(device);
227 printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n");
229 snd_es1688_unregister_all();
235 static void __exit alsa_card_es1688_exit(void)
237 snd_es1688_unregister_all();
240 module_init(alsa_card_es1688_init)
241 module_exit(alsa_card_es1688_exit)