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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Driver for Gravis UltraSound Classic soundcard
Jaroslav Kyselac1017a42007-10-15 09:50:19 +02003 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
5 *
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.
10 *
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.
15 *
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
19 *
20 */
21
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <linux/init.h>
Takashi Iwai654aa662005-11-17 17:13:43 +010023#include <linux/err.h>
Rene Herman93f02c62007-02-19 13:05:02 +010024#include <linux/isa.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#include <linux/delay.h>
26#include <linux/time.h>
27#include <linux/moduleparam.h>
Takashi Iwai654aa662005-11-17 17:13:43 +010028#include <asm/dma.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#include <sound/core.h>
30#include <sound/gus.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#define SNDRV_LEGACY_FIND_FREE_IRQ
32#define SNDRV_LEGACY_FIND_FREE_DMA
33#include <sound/initval.h>
34
Rene Herman93f02c62007-02-19 13:05:02 +010035#define CRD_NAME "Gravis UltraSound Classic"
36#define DEV_NAME "gusclassic"
37
38MODULE_DESCRIPTION(CRD_NAME);
Jaroslav Kyselac1017a42007-10-15 09:50:19 +020039MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
Linus Torvalds1da177e2005-04-16 15:20:36 -070040MODULE_LICENSE("GPL");
41MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");
42
43static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
44static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
45static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
46static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
47static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 3,5,9,11,12,15 */
48static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
49static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
50static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
51 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
52static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
53static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
54
55module_param_array(index, int, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010056MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070057module_param_array(id, charp, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010058MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070059module_param_array(enable, bool, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010060MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070061module_param_array(port, long, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010062MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070063module_param_array(irq, int, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010064MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070065module_param_array(dma1, int, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010066MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070067module_param_array(dma2, int, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010068MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070069module_param_array(joystick_dac, int, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010070MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070071module_param_array(channels, int, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010072MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070073module_param_array(pcm_channels, int, NULL, 0444);
Rene Herman93f02c62007-02-19 13:05:02 +010074MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070075
Rene Herman93f02c62007-02-19 13:05:02 +010076static int __devinit snd_gusclassic_match(struct device *dev, unsigned int n)
77{
78 return enable[n];
79}
Clemens Ladischf7a92752005-12-07 09:13:42 +010080
Rene Herman93f02c62007-02-19 13:05:02 +010081static int __devinit snd_gusclassic_create(struct snd_card *card,
82 struct device *dev, unsigned int n, struct snd_gus_card **rgus)
83{
84 static long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260};
85 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
86 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
Linus Torvalds1da177e2005-04-16 15:20:36 -070087
Rene Herman93f02c62007-02-19 13:05:02 +010088 int i, error;
Linus Torvalds1da177e2005-04-16 15:20:36 -070089
Rene Herman93f02c62007-02-19 13:05:02 +010090 if (irq[n] == SNDRV_AUTO_IRQ) {
91 irq[n] = snd_legacy_find_free_irq(possible_irqs);
92 if (irq[n] < 0) {
Takashi Iwai0418ff02008-11-03 08:51:33 +010093 dev_err(dev, "unable to find a free IRQ\n");
Rene Herman93f02c62007-02-19 13:05:02 +010094 return -EBUSY;
95 }
96 }
97 if (dma1[n] == SNDRV_AUTO_DMA) {
98 dma1[n] = snd_legacy_find_free_dma(possible_dmas);
99 if (dma1[n] < 0) {
Takashi Iwai0418ff02008-11-03 08:51:33 +0100100 dev_err(dev, "unable to find a free DMA1\n");
Rene Herman93f02c62007-02-19 13:05:02 +0100101 return -EBUSY;
102 }
103 }
104 if (dma2[n] == SNDRV_AUTO_DMA) {
105 dma2[n] = snd_legacy_find_free_dma(possible_dmas);
106 if (dma2[n] < 0) {
Takashi Iwai0418ff02008-11-03 08:51:33 +0100107 dev_err(dev, "unable to find a free DMA2\n");
Rene Herman93f02c62007-02-19 13:05:02 +0100108 return -EBUSY;
109 }
110 }
111
112 if (port[n] != SNDRV_AUTO_PORT)
113 return snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
114 0, channels[n], pcm_channels[n], 0, rgus);
115
116 i = 0;
117 do {
118 port[n] = possible_ports[i];
119 error = snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
120 0, channels[n], pcm_channels[n], 0, rgus);
121 } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
122
123 return error;
124}
125
126static int __devinit snd_gusclassic_detect(struct snd_gus_card *gus)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127{
Takashi Iwai43bcd972005-09-05 17:19:20 +0200128 unsigned char d;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
Takashi Iwai43bcd972005-09-05 17:19:20 +0200130 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
131 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
132 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133 return -ENODEV;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200134 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135 udelay(160);
136 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
137 udelay(160);
Takashi Iwai43bcd972005-09-05 17:19:20 +0200138 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
139 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 return -ENODEV;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200141 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 return 0;
143}
144
Rene Herman93f02c62007-02-19 13:05:02 +0100145static int __devinit snd_gusclassic_probe(struct device *dev, unsigned int n)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146{
Takashi Iwai5e2da202005-11-17 14:36:44 +0100147 struct snd_card *card;
Rene Herman93f02c62007-02-19 13:05:02 +0100148 struct snd_gus_card *gus;
149 int error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150
Rene Herman93f02c62007-02-19 13:05:02 +0100151 card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
152 if (!card)
153 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154
Rene Herman93f02c62007-02-19 13:05:02 +0100155 if (pcm_channels[n] < 2)
156 pcm_channels[n] = 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157
Rene Herman93f02c62007-02-19 13:05:02 +0100158 error = snd_gusclassic_create(card, dev, n, &gus);
159 if (error < 0)
160 goto out;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200161
Rene Herman93f02c62007-02-19 13:05:02 +0100162 error = snd_gusclassic_detect(gus);
163 if (error < 0)
164 goto out;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200165
Rene Herman93f02c62007-02-19 13:05:02 +0100166 gus->joystick_dac = joystick_dac[n];
Takashi Iwai43bcd972005-09-05 17:19:20 +0200167
Rene Herman93f02c62007-02-19 13:05:02 +0100168 error = snd_gus_initialize(gus);
169 if (error < 0)
170 goto out;
171
172 error = -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173 if (gus->max_flag || gus->ess_flag) {
Takashi Iwai0418ff02008-11-03 08:51:33 +0100174 dev_err(dev, "GUS Classic or ACE soundcard was "
175 "not detected at 0x%lx\n", gus->gf1.port);
Rene Herman93f02c62007-02-19 13:05:02 +0100176 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 }
Takashi Iwai43bcd972005-09-05 17:19:20 +0200178
Rene Herman93f02c62007-02-19 13:05:02 +0100179 error = snd_gf1_new_mixer(gus);
180 if (error < 0)
181 goto out;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200182
Rene Herman93f02c62007-02-19 13:05:02 +0100183 error = snd_gf1_pcm_new(gus, 0, 0, NULL);
184 if (error < 0)
185 goto out;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200186
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187 if (!gus->ace_flag) {
Rene Herman93f02c62007-02-19 13:05:02 +0100188 error = snd_gf1_rawmidi_new(gus, 0, NULL);
189 if (error < 0)
190 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191 }
Takashi Iwai43bcd972005-09-05 17:19:20 +0200192
Rene Herman93f02c62007-02-19 13:05:02 +0100193 sprintf(card->longname + strlen(card->longname),
194 " at 0x%lx, irq %d, dma %d",
195 gus->gf1.port, gus->gf1.irq, gus->gf1.dma1);
Takashi Iwai43bcd972005-09-05 17:19:20 +0200196
Rene Herman93f02c62007-02-19 13:05:02 +0100197 if (gus->gf1.dma2 >= 0)
198 sprintf(card->longname + strlen(card->longname),
199 "&%d", gus->gf1.dma2);
Takashi Iwai43bcd972005-09-05 17:19:20 +0200200
Rene Herman93f02c62007-02-19 13:05:02 +0100201 snd_card_set_dev(card, dev);
202
203 error = snd_card_register(card);
204 if (error < 0)
205 goto out;
206
207 dev_set_drvdata(dev, card);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208 return 0;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200209
Rene Herman93f02c62007-02-19 13:05:02 +0100210out: snd_card_free(card);
211 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212}
213
Rene Herman93f02c62007-02-19 13:05:02 +0100214static int __devexit snd_gusclassic_remove(struct device *dev, unsigned int n)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215{
Rene Herman93f02c62007-02-19 13:05:02 +0100216 snd_card_free(dev_get_drvdata(dev));
217 dev_set_drvdata(dev, NULL);
Takashi Iwai654aa662005-11-17 17:13:43 +0100218 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219}
220
Rene Herman93f02c62007-02-19 13:05:02 +0100221static struct isa_driver snd_gusclassic_driver = {
222 .match = snd_gusclassic_match,
Takashi Iwai654aa662005-11-17 17:13:43 +0100223 .probe = snd_gusclassic_probe,
Prarit Bhargava788c6042007-02-13 13:11:11 +0100224 .remove = __devexit_p(snd_gusclassic_remove),
Rene Herman93f02c62007-02-19 13:05:02 +0100225#if 0 /* FIXME */
226 .suspend = snd_gusclassic_suspend,
227 .remove = snd_gusclassic_remove,
228#endif
Takashi Iwai654aa662005-11-17 17:13:43 +0100229 .driver = {
Rene Herman93f02c62007-02-19 13:05:02 +0100230 .name = DEV_NAME
231 }
Takashi Iwai654aa662005-11-17 17:13:43 +0100232};
233
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234static int __init alsa_card_gusclassic_init(void)
235{
Rene Herman93f02c62007-02-19 13:05:02 +0100236 return isa_register_driver(&snd_gusclassic_driver, SNDRV_CARDS);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237}
238
239static void __exit alsa_card_gusclassic_exit(void)
240{
Rene Herman93f02c62007-02-19 13:05:02 +0100241 isa_unregister_driver(&snd_gusclassic_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242}
243
Rene Herman93f02c62007-02-19 13:05:02 +0100244module_init(alsa_card_gusclassic_init);
245module_exit(alsa_card_gusclassic_exit);