Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 25 | #include <linux/err.h> |
| 26 | #include <linux/platform_device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <linux/time.h> |
| 28 | #include <linux/wait.h> |
| 29 | #include <linux/moduleparam.h> |
| 30 | #include <sound/core.h> |
| 31 | #include <sound/cs4231.h> |
| 32 | #include <sound/mpu401.h> |
| 33 | #include <sound/initval.h> |
| 34 | |
| 35 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
| 36 | MODULE_DESCRIPTION("Generic CS4231"); |
| 37 | MODULE_LICENSE("GPL"); |
| 38 | MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}"); |
| 39 | |
| 40 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 41 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| 42 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
| 43 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
| 44 | static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
| 45 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ |
| 46 | static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */ |
| 47 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ |
| 48 | static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ |
| 49 | |
| 50 | module_param_array(index, int, NULL, 0444); |
| 51 | MODULE_PARM_DESC(index, "Index value for CS4231 soundcard."); |
| 52 | module_param_array(id, charp, NULL, 0444); |
| 53 | MODULE_PARM_DESC(id, "ID string for CS4231 soundcard."); |
| 54 | module_param_array(enable, bool, NULL, 0444); |
| 55 | MODULE_PARM_DESC(enable, "Enable CS4231 soundcard."); |
| 56 | module_param_array(port, long, NULL, 0444); |
| 57 | MODULE_PARM_DESC(port, "Port # for CS4231 driver."); |
| 58 | module_param_array(mpu_port, long, NULL, 0444); |
| 59 | MODULE_PARM_DESC(mpu_port, "MPU-401 port # for CS4231 driver."); |
| 60 | module_param_array(irq, int, NULL, 0444); |
| 61 | MODULE_PARM_DESC(irq, "IRQ # for CS4231 driver."); |
| 62 | module_param_array(mpu_irq, int, NULL, 0444); |
| 63 | MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for CS4231 driver."); |
| 64 | module_param_array(dma1, int, NULL, 0444); |
| 65 | MODULE_PARM_DESC(dma1, "DMA1 # for CS4231 driver."); |
| 66 | module_param_array(dma2, int, NULL, 0444); |
| 67 | MODULE_PARM_DESC(dma2, "DMA2 # for CS4231 driver."); |
| 68 | |
Clemens Ladisch | f7a9275 | 2005-12-07 09:13:42 +0100 | [diff] [blame] | 69 | static struct platform_device *devices[SNDRV_CARDS]; |
| 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 72 | static int __init snd_cs4231_probe(struct platform_device *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | { |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 74 | int dev = pdev->id; |
Takashi Iwai | ba2375a | 2005-11-17 14:30:42 +0100 | [diff] [blame] | 75 | struct snd_card *card; |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 76 | struct snd_pcm *pcm; |
Takashi Iwai | ba2375a | 2005-11-17 14:30:42 +0100 | [diff] [blame] | 77 | struct snd_cs4231 *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | int err; |
| 79 | |
| 80 | if (port[dev] == SNDRV_AUTO_PORT) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 81 | snd_printk(KERN_ERR "specify port\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | return -EINVAL; |
| 83 | } |
| 84 | if (irq[dev] == SNDRV_AUTO_IRQ) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 85 | snd_printk(KERN_ERR "specify irq\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | return -EINVAL; |
| 87 | } |
| 88 | if (dma1[dev] == SNDRV_AUTO_DMA) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 89 | snd_printk(KERN_ERR "specify dma1\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | return -EINVAL; |
| 91 | } |
| 92 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); |
| 93 | if (card == NULL) |
| 94 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | if ((err = snd_cs4231_create(card, port[dev], -1, |
| 96 | irq[dev], |
| 97 | dma1[dev], |
| 98 | dma2[dev], |
| 99 | CS4231_HW_DETECT, |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 100 | 0, &chip)) < 0) |
| 101 | goto _err; |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 102 | card->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 104 | if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0) |
| 105 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
| 107 | strcpy(card->driver, "CS4231"); |
| 108 | strcpy(card->shortname, pcm->name); |
| 109 | sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", |
| 110 | pcm->name, chip->port, irq[dev], dma1[dev]); |
| 111 | if (dma2[dev] >= 0) |
| 112 | sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]); |
| 113 | |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 114 | if ((err = snd_cs4231_mixer(chip)) < 0) |
| 115 | goto _err; |
| 116 | if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0) |
| 117 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | |
| 119 | if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { |
| 120 | if (mpu_irq[dev] == SNDRV_AUTO_IRQ) |
| 121 | mpu_irq[dev] = -1; |
| 122 | if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232, |
| 123 | mpu_port[dev], 0, |
| 124 | mpu_irq[dev], |
| 125 | mpu_irq[dev] >= 0 ? SA_INTERRUPT : 0, |
| 126 | NULL) < 0) |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 127 | printk(KERN_WARNING "cs4231: MPU401 not detected\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | } |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 129 | |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 130 | snd_card_set_dev(card, &pdev->dev); |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 131 | |
| 132 | if ((err = snd_card_register(card)) < 0) |
| 133 | goto _err; |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 134 | |
| 135 | platform_set_drvdata(pdev, card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | return 0; |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 137 | |
| 138 | _err: |
| 139 | snd_card_free(card); |
| 140 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | } |
| 142 | |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 143 | static int __devexit snd_cs4231_remove(struct platform_device *devptr) |
| 144 | { |
| 145 | snd_card_free(platform_get_drvdata(devptr)); |
| 146 | platform_set_drvdata(devptr, NULL); |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | #ifdef CONFIG_PM |
| 151 | static int snd_cs4231_suspend(struct platform_device *dev, pm_message_t state) |
| 152 | { |
| 153 | struct snd_card *card; |
| 154 | struct snd_cs4231 *chip; |
| 155 | card = platform_get_drvdata(dev); |
| 156 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
| 157 | chip = card->private_data; |
| 158 | chip->suspend(chip); |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | static int snd_cs4231_resume(struct platform_device *dev) |
| 163 | { |
| 164 | struct snd_card *card; |
| 165 | struct snd_cs4231 *chip; |
| 166 | card = platform_get_drvdata(dev); |
| 167 | chip = card->private_data; |
| 168 | chip->resume(chip); |
| 169 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
| 170 | return 0; |
| 171 | } |
| 172 | #endif |
| 173 | |
| 174 | #define SND_CS4231_DRIVER "snd_cs4231" |
| 175 | |
| 176 | static struct platform_driver snd_cs4231_driver = { |
| 177 | .probe = snd_cs4231_probe, |
| 178 | .remove = __devexit_p(snd_cs4231_remove), |
| 179 | #ifdef CONFIG_PM |
| 180 | .suspend = snd_cs4231_suspend, |
| 181 | .resume = snd_cs4231_resume, |
| 182 | #endif |
| 183 | .driver = { |
| 184 | .name = SND_CS4231_DRIVER |
| 185 | }, |
| 186 | }; |
| 187 | |
Clemens Ladisch | f7a9275 | 2005-12-07 09:13:42 +0100 | [diff] [blame] | 188 | static void __init_or_module snd_cs4231_unregister_all(void) |
| 189 | { |
| 190 | int i; |
| 191 | |
| 192 | for (i = 0; i < ARRAY_SIZE(devices); ++i) |
| 193 | platform_device_unregister(devices[i]); |
| 194 | platform_driver_unregister(&snd_cs4231_driver); |
| 195 | } |
| 196 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | static int __init alsa_card_cs4231_init(void) |
| 198 | { |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 199 | int i, cards, err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 201 | err = platform_driver_register(&snd_cs4231_driver); |
| 202 | if (err < 0) |
| 203 | return err; |
| 204 | |
| 205 | cards = 0; |
Takashi Iwai | 8278ca8 | 2006-02-20 11:57:34 +0100 | [diff] [blame] | 206 | for (i = 0; i < SNDRV_CARDS; i++) { |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 207 | struct platform_device *device; |
Takashi Iwai | 8278ca8 | 2006-02-20 11:57:34 +0100 | [diff] [blame] | 208 | if (! enable[i]) |
| 209 | continue; |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 210 | device = platform_device_register_simple(SND_CS4231_DRIVER, |
| 211 | i, NULL, 0); |
Rene Herman | d0ac642 | 2006-04-11 14:08:33 +0200 | [diff] [blame] | 212 | if (IS_ERR(device)) |
| 213 | continue; |
Rene Herman | dcccdd9 | 2006-04-11 14:09:37 +0200 | [diff] [blame] | 214 | if (!platform_get_drvdata(device)) { |
| 215 | platform_device_unregister(device); |
| 216 | continue; |
| 217 | } |
Clemens Ladisch | f7a9275 | 2005-12-07 09:13:42 +0100 | [diff] [blame] | 218 | devices[i] = device; |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 219 | cards++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | } |
| 221 | if (!cards) { |
| 222 | #ifdef MODULE |
| 223 | printk(KERN_ERR "CS4231 soundcard not found or device busy\n"); |
| 224 | #endif |
Rene Herman | d0ac642 | 2006-04-11 14:08:33 +0200 | [diff] [blame] | 225 | snd_cs4231_unregister_all(); |
| 226 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | } |
| 228 | return 0; |
| 229 | } |
| 230 | |
| 231 | static void __exit alsa_card_cs4231_exit(void) |
| 232 | { |
Clemens Ladisch | f7a9275 | 2005-12-07 09:13:42 +0100 | [diff] [blame] | 233 | snd_cs4231_unregister_all(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | module_init(alsa_card_cs4231_init) |
| 237 | module_exit(alsa_card_cs4231_exit) |