aboutsummaryrefslogtreecommitdiffstats
path: root/sound/isa/cs423x/cs4231.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/isa/cs423x/cs4231.c')
-rw-r--r--sound/isa/cs423x/cs4231.c169
1 files changed, 169 insertions, 0 deletions
diff --git a/sound/isa/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c
new file mode 100644
index 000000000000..7640837659ea
--- /dev/null
+++ b/sound/isa/cs423x/cs4231.c
@@ -0,0 +1,169 @@
1/*
2 * Generic driver for CS4231 chips
3 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
4 * Originally the CS4232/CS4232A driver, modified for use on CS4231 by
5 * Tugrul Galatali <galatalt@stuy.edu>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include <sound/driver.h>
24#include <linux/init.h>
25#include <linux/time.h>
26#include <linux/wait.h>
27#include <linux/moduleparam.h>
28#include <sound/core.h>
29#include <sound/cs4231.h>
30#include <sound/mpu401.h>
31#include <sound/initval.h>
32
33MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
34MODULE_DESCRIPTION("Generic CS4231");
35MODULE_LICENSE("GPL");
36MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
37
38static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
39static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
40static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
41static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
42static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
43static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
44static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
45static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
46static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
47
48module_param_array(index, int, NULL, 0444);
49MODULE_PARM_DESC(index, "Index value for CS4231 soundcard.");
50module_param_array(id, charp, NULL, 0444);
51MODULE_PARM_DESC(id, "ID string for CS4231 soundcard.");
52module_param_array(enable, bool, NULL, 0444);
53MODULE_PARM_DESC(enable, "Enable CS4231 soundcard.");
54module_param_array(port, long, NULL, 0444);
55MODULE_PARM_DESC(port, "Port # for CS4231 driver.");
56module_param_array(mpu_port, long, NULL, 0444);
57MODULE_PARM_DESC(mpu_port, "MPU-401 port # for CS4231 driver.");
58module_param_array(irq, int, NULL, 0444);
59MODULE_PARM_DESC(irq, "IRQ # for CS4231 driver.");
60module_param_array(mpu_irq, int, NULL, 0444);
61MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for CS4231 driver.");
62module_param_array(dma1, int, NULL, 0444);
63MODULE_PARM_DESC(dma1, "DMA1 # for CS4231 driver.");
64module_param_array(dma2, int, NULL, 0444);
65MODULE_PARM_DESC(dma2, "DMA2 # for CS4231 driver.");
66
67static snd_card_t *snd_cs4231_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
68
69
70static int __init snd_card_cs4231_probe(int dev)
71{
72 snd_card_t *card;
73 struct snd_card_cs4231 *acard;
74 snd_pcm_t *pcm = NULL;
75 cs4231_t *chip;
76 int err;
77
78 if (port[dev] == SNDRV_AUTO_PORT) {
79 snd_printk("specify port\n");
80 return -EINVAL;
81 }
82 if (irq[dev] == SNDRV_AUTO_IRQ) {
83 snd_printk("specify irq\n");
84 return -EINVAL;
85 }
86 if (dma1[dev] == SNDRV_AUTO_DMA) {
87 snd_printk("specify dma1\n");
88 return -EINVAL;
89 }
90 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
91 if (card == NULL)
92 return -ENOMEM;
93 acard = (struct snd_card_cs4231 *)card->private_data;
94 if ((err = snd_cs4231_create(card, port[dev], -1,
95 irq[dev],
96 dma1[dev],
97 dma2[dev],
98 CS4231_HW_DETECT,
99 0, &chip)) < 0) {
100 snd_card_free(card);
101 return err;
102 }
103
104 if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0) {
105 snd_card_free(card);
106 return err;
107 }
108
109 strcpy(card->driver, "CS4231");
110 strcpy(card->shortname, pcm->name);
111 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
112 pcm->name, chip->port, irq[dev], dma1[dev]);
113 if (dma2[dev] >= 0)
114 sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
115
116 if ((err = snd_cs4231_mixer(chip)) < 0) {
117 snd_card_free(card);
118 return err;
119 }
120 if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0) {
121 snd_card_free(card);
122 return err;
123 }
124
125 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
126 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
127 mpu_irq[dev] = -1;
128 if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
129 mpu_port[dev], 0,
130 mpu_irq[dev],
131 mpu_irq[dev] >= 0 ? SA_INTERRUPT : 0,
132 NULL) < 0)
133 printk(KERN_ERR "cs4231: MPU401 not detected\n");
134 }
135 if ((err = snd_card_register(card)) < 0) {
136 snd_card_free(card);
137 return err;
138 }
139 snd_cs4231_cards[dev] = card;
140 return 0;
141}
142
143static int __init alsa_card_cs4231_init(void)
144{
145 int dev, cards;
146
147 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
148 if (snd_card_cs4231_probe(dev) >= 0)
149 cards++;
150 }
151 if (!cards) {
152#ifdef MODULE
153 printk(KERN_ERR "CS4231 soundcard not found or device busy\n");
154#endif
155 return -ENODEV;
156 }
157 return 0;
158}
159
160static void __exit alsa_card_cs4231_exit(void)
161{
162 int idx;
163
164 for (idx = 0; idx < SNDRV_CARDS; idx++)
165 snd_card_free(snd_cs4231_cards[idx]);
166}
167
168module_init(alsa_card_cs4231_init)
169module_exit(alsa_card_cs4231_exit)
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-24 04:59:02 -0500