Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Generic driver for CS4231 chips |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/init.h> |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 24 | #include <linux/err.h> |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 25 | #include <linux/isa.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <linux/time.h> |
| 27 | #include <linux/wait.h> |
| 28 | #include <linux/moduleparam.h> |
| 29 | #include <sound/core.h> |
| 30 | #include <sound/cs4231.h> |
| 31 | #include <sound/mpu401.h> |
| 32 | #include <sound/initval.h> |
| 33 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 34 | #define CRD_NAME "Generic CS4231" |
| 35 | #define DEV_NAME "cs4231" |
| 36 | |
| 37 | MODULE_DESCRIPTION(CRD_NAME); |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 38 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | MODULE_LICENSE("GPL"); |
| 40 | MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}"); |
| 41 | |
| 42 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 43 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| 44 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
| 45 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
| 46 | static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
| 47 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ |
| 48 | static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */ |
| 49 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ |
| 50 | static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ |
| 51 | |
| 52 | module_param_array(index, int, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 53 | MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | module_param_array(id, charp, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 55 | MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | module_param_array(enable, bool, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 57 | MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | module_param_array(port, long, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 59 | MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | module_param_array(mpu_port, long, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 61 | MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | module_param_array(irq, int, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 63 | MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | module_param_array(mpu_irq, int, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 65 | MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | module_param_array(dma1, int, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 67 | MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | module_param_array(dma2, int, NULL, 0444); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 69 | MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 71 | static int __devinit snd_cs4231_match(struct device *dev, unsigned int n) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | { |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 73 | if (!enable[n]) |
| 74 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 76 | if (port[n] == SNDRV_AUTO_PORT) { |
| 77 | snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id); |
| 78 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | } |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 80 | if (irq[n] == SNDRV_AUTO_IRQ) { |
| 81 | snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id); |
| 82 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | } |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 84 | if (dma1[n] == SNDRV_AUTO_DMA) { |
| 85 | snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id); |
| 86 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | } |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 88 | return 1; |
| 89 | } |
| 90 | |
| 91 | static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n) |
| 92 | { |
| 93 | struct snd_card *card; |
| 94 | struct snd_cs4231 *chip; |
| 95 | struct snd_pcm *pcm; |
| 96 | int error; |
| 97 | |
| 98 | card = snd_card_new(index[n], id[n], THIS_MODULE, 0); |
| 99 | if (!card) |
| 100 | return -EINVAL; |
| 101 | |
| 102 | error = snd_cs4231_create(card, port[n], -1, irq[n], dma1[n], dma2[n], |
| 103 | CS4231_HW_DETECT, 0, &chip); |
| 104 | if (error < 0) |
| 105 | goto out; |
| 106 | |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 107 | card->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 109 | error = snd_cs4231_pcm(chip, 0, &pcm); |
| 110 | if (error < 0) |
| 111 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | |
| 113 | strcpy(card->driver, "CS4231"); |
| 114 | strcpy(card->shortname, pcm->name); |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 117 | pcm->name, chip->port, irq[n], dma1[n]); |
| 118 | if (dma2[n] >= 0) |
| 119 | sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 121 | error = snd_cs4231_mixer(chip); |
| 122 | if (error < 0) |
| 123 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 125 | error = snd_cs4231_timer(chip, 0, NULL); |
| 126 | if (error < 0) |
| 127 | goto out; |
| 128 | |
| 129 | if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) { |
| 130 | if (mpu_irq[n] == SNDRV_AUTO_IRQ) |
| 131 | mpu_irq[n] = -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232, |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 133 | mpu_port[n], 0, mpu_irq[n], |
| 134 | mpu_irq[n] >= 0 ? IRQF_DISABLED : 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | NULL) < 0) |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 136 | printk(KERN_WARNING "%s: MPU401 not detected\n", dev->bus_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | } |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 138 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 139 | snd_card_set_dev(card, dev); |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 140 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 141 | error = snd_card_register(card); |
| 142 | if (error < 0) |
| 143 | goto out; |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 144 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 145 | dev_set_drvdata(dev, card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | return 0; |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 147 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 148 | out: snd_card_free(card); |
| 149 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | } |
| 151 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 152 | static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n) |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 153 | { |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 154 | snd_card_free(dev_get_drvdata(dev)); |
| 155 | dev_set_drvdata(dev, NULL); |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | #ifdef CONFIG_PM |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 160 | static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state) |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 161 | { |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 162 | struct snd_card *card = dev_get_drvdata(dev); |
| 163 | struct snd_cs4231 *chip = card->private_data; |
| 164 | |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 165 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 166 | chip->suspend(chip); |
| 167 | return 0; |
| 168 | } |
| 169 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 170 | static int snd_cs4231_resume(struct device *dev, unsigned int n) |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 171 | { |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 172 | struct snd_card *card = dev_get_drvdata(dev); |
| 173 | struct snd_cs4231 *chip = card->private_data; |
| 174 | |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 175 | chip->resume(chip); |
| 176 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
| 177 | return 0; |
| 178 | } |
| 179 | #endif |
| 180 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 181 | static struct isa_driver snd_cs4231_driver = { |
| 182 | .match = snd_cs4231_match, |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 183 | .probe = snd_cs4231_probe, |
| 184 | .remove = __devexit_p(snd_cs4231_remove), |
| 185 | #ifdef CONFIG_PM |
| 186 | .suspend = snd_cs4231_suspend, |
| 187 | .resume = snd_cs4231_resume, |
| 188 | #endif |
| 189 | .driver = { |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 190 | .name = DEV_NAME |
| 191 | } |
Takashi Iwai | 8b91375 | 2005-11-17 17:00:41 +0100 | [diff] [blame] | 192 | }; |
| 193 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | static int __init alsa_card_cs4231_init(void) |
| 195 | { |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 196 | return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | static void __exit alsa_card_cs4231_exit(void) |
| 200 | { |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 201 | isa_unregister_driver(&snd_cs4231_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | } |
| 203 | |
Rene Herman | d63898c | 2007-02-14 13:23:38 +0100 | [diff] [blame] | 204 | module_init(alsa_card_cs4231_init); |
| 205 | module_exit(alsa_card_cs4231_exit); |