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1da177e4 LT |
1 | /* |
2 | * Driver for generic ESS AudioDrive ESx688 soundcards | |
3 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> | |
4 | * | |
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 | ||
22 | #include <sound/driver.h> | |
1da177e4 | 23 | #include <linux/init.h> |
2a571ed1 TI |
24 | #include <linux/err.h> |
25 | #include <linux/platform_device.h> | |
1da177e4 LT |
26 | #include <linux/time.h> |
27 | #include <linux/wait.h> | |
28 | #include <linux/moduleparam.h> | |
2a571ed1 | 29 | #include <asm/dma.h> |
1da177e4 LT |
30 | #include <sound/core.h> |
31 | #include <sound/es1688.h> | |
32 | #include <sound/mpu401.h> | |
33 | #include <sound/opl3.h> | |
1da177e4 LT |
34 | #define SNDRV_LEGACY_FIND_FREE_IRQ |
35 | #define SNDRV_LEGACY_FIND_FREE_DMA | |
36 | #include <sound/initval.h> | |
37 | ||
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}}"); | |
45 | ||
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 */ | |
54 | ||
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."); | |
71 | ||
f7a9275d CL |
72 | static struct platform_device *devices[SNDRV_CARDS]; |
73 | ||
43bcd973 | 74 | #define PFX "es1688: " |
1da177e4 | 75 | |
788c6043 | 76 | static int __devinit snd_es1688_probe(struct platform_device *pdev) |
1da177e4 | 77 | { |
2a571ed1 | 78 | int dev = pdev->id; |
1da177e4 LT |
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; | |
d3a7e476 TI |
82 | struct snd_card *card; |
83 | struct snd_es1688 *chip; | |
84 | struct snd_opl3 *opl3; | |
85 | struct snd_pcm *pcm; | |
1da177e4 LT |
86 | int err; |
87 | ||
88 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | |
89 | if (card == NULL) | |
90 | return -ENOMEM; | |
91 | ||
92 | xirq = irq[dev]; | |
93 | if (xirq == SNDRV_AUTO_IRQ) { | |
94 | if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { | |
43bcd973 TI |
95 | snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); |
96 | err = -EBUSY; | |
97 | goto _err; | |
1da177e4 LT |
98 | } |
99 | } | |
100 | xmpu_irq = mpu_irq[dev]; | |
101 | xdma = dma8[dev]; | |
102 | if (xdma == SNDRV_AUTO_DMA) { | |
103 | if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) { | |
43bcd973 TI |
104 | snd_printk(KERN_ERR PFX "unable to find a free DMA\n"); |
105 | err = -EBUSY; | |
106 | goto _err; | |
1da177e4 LT |
107 | } |
108 | } | |
109 | ||
2a571ed1 TI |
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) | |
114 | goto _err; | |
115 | } else { | |
116 | /* auto-probe legacy ports */ | |
117 | static unsigned long possible_ports[] = { | |
118 | 0x220, 0x240, 0x260, | |
119 | }; | |
120 | int i; | |
121 | for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { | |
122 | err = snd_es1688_create(card, possible_ports[i], | |
123 | mpu_port[dev], | |
124 | xirq, xmpu_irq, xdma, | |
125 | ES1688_HW_AUTO, &chip); | |
126 | if (err >= 0) { | |
127 | port[dev] = possible_ports[i]; | |
128 | break; | |
129 | } | |
130 | } | |
131 | if (i >= ARRAY_SIZE(possible_ports)) | |
132 | goto _err; | |
133 | } | |
43bcd973 TI |
134 | |
135 | if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0) | |
136 | goto _err; | |
137 | ||
138 | if ((err = snd_es1688_mixer(chip)) < 0) | |
139 | goto _err; | |
1da177e4 LT |
140 | |
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); | |
144 | ||
145 | if ((snd_opl3_create(card, chip->port, chip->port + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) { | |
43bcd973 | 146 | printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->port); |
1da177e4 | 147 | } else { |
43bcd973 TI |
148 | if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) |
149 | goto _err; | |
1da177e4 LT |
150 | } |
151 | ||
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, | |
154 | chip->mpu_port, 0, | |
155 | xmpu_irq, | |
65ca68b3 | 156 | IRQF_DISABLED, |
43bcd973 TI |
157 | NULL)) < 0) |
158 | goto _err; | |
1da177e4 | 159 | } |
43bcd973 | 160 | |
2a571ed1 | 161 | snd_card_set_dev(card, &pdev->dev); |
43bcd973 TI |
162 | |
163 | if ((err = snd_card_register(card)) < 0) | |
164 | goto _err; | |
165 | ||
2a571ed1 | 166 | platform_set_drvdata(pdev, card); |
1da177e4 LT |
167 | return 0; |
168 | ||
43bcd973 TI |
169 | _err: |
170 | snd_card_free(card); | |
171 | return err; | |
1da177e4 LT |
172 | } |
173 | ||
788c6043 | 174 | static int __devexit snd_es1688_remove(struct platform_device *devptr) |
1da177e4 | 175 | { |
2a571ed1 TI |
176 | snd_card_free(platform_get_drvdata(devptr)); |
177 | platform_set_drvdata(devptr, NULL); | |
178 | return 0; | |
1da177e4 LT |
179 | } |
180 | ||
2a571ed1 TI |
181 | #define ES1688_DRIVER "snd_es1688" |
182 | ||
183 | static struct platform_driver snd_es1688_driver = { | |
184 | .probe = snd_es1688_probe, | |
788c6043 | 185 | .remove = __devexit_p(snd_es1688_remove), |
2a571ed1 TI |
186 | /* FIXME: suspend/resume */ |
187 | .driver = { | |
188 | .name = ES1688_DRIVER | |
189 | }, | |
190 | }; | |
191 | ||
f7a9275d CL |
192 | static void __init_or_module snd_es1688_unregister_all(void) |
193 | { | |
194 | int i; | |
195 | ||
196 | for (i = 0; i < ARRAY_SIZE(devices); ++i) | |
197 | platform_device_unregister(devices[i]); | |
198 | platform_driver_unregister(&snd_es1688_driver); | |
199 | } | |
200 | ||
1da177e4 LT |
201 | static int __init alsa_card_es1688_init(void) |
202 | { | |
2a571ed1 TI |
203 | int i, cards, err; |
204 | ||
205 | err = platform_driver_register(&snd_es1688_driver); | |
206 | if (err < 0) | |
207 | return err; | |
208 | ||
209 | cards = 0; | |
8278ca8f | 210 | for (i = 0; i < SNDRV_CARDS; i++) { |
2a571ed1 | 211 | struct platform_device *device; |
8278ca8f TI |
212 | if (! enable[i]) |
213 | continue; | |
2a571ed1 TI |
214 | device = platform_device_register_simple(ES1688_DRIVER, |
215 | i, NULL, 0); | |
d0ac642d RH |
216 | if (IS_ERR(device)) |
217 | continue; | |
dcccdd93 RH |
218 | if (!platform_get_drvdata(device)) { |
219 | platform_device_unregister(device); | |
220 | continue; | |
221 | } | |
f7a9275d | 222 | devices[i] = device; |
2a571ed1 | 223 | cards++; |
1da177e4 | 224 | } |
1da177e4 LT |
225 | if (!cards) { |
226 | #ifdef MODULE | |
227 | printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n"); | |
228 | #endif | |
d0ac642d RH |
229 | snd_es1688_unregister_all(); |
230 | return -ENODEV; | |
1da177e4 LT |
231 | } |
232 | return 0; | |
233 | } | |
234 | ||
235 | static void __exit alsa_card_es1688_exit(void) | |
236 | { | |
f7a9275d | 237 | snd_es1688_unregister_all(); |
1da177e4 LT |
238 | } |
239 | ||
240 | module_init(alsa_card_es1688_init) | |
241 | module_exit(alsa_card_es1688_exit) |