Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha) |
| 3 | * Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>, |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 4 | * Jaroslav Kysela <perex@perex.cz> |
| 5 | * Based on card-4232.c by Jaroslav Kysela <perex@perex.cz> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <sound/driver.h> |
| 25 | #include <linux/init.h> |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 26 | #include <linux/err.h> |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 27 | #include <linux/isa.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/time.h> |
| 29 | #include <linux/wait.h> |
| 30 | #include <linux/moduleparam.h> |
| 31 | #include <sound/core.h> |
| 32 | #include <sound/ad1848.h> |
| 33 | #include <sound/initval.h> |
| 34 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 35 | #define CRD_NAME "Generic AD1848/AD1847/CS4248" |
| 36 | #define DEV_NAME "ad1848" |
| 37 | |
| 38 | MODULE_DESCRIPTION(CRD_NAME); |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 39 | MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | MODULE_LICENSE("GPL"); |
| 41 | MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848}," |
| 42 | "{Analog Devices,AD1847}," |
| 43 | "{Crystal Semiconductors,CS4248}}"); |
| 44 | |
| 45 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 46 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| 47 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
| 48 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
| 49 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ |
| 50 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ |
| 51 | static int thinkpad[SNDRV_CARDS]; /* Thinkpad special case */ |
| 52 | |
| 53 | module_param_array(index, int, NULL, 0444); |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 54 | MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | module_param_array(id, charp, NULL, 0444); |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 56 | MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | module_param_array(enable, bool, NULL, 0444); |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 58 | MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | module_param_array(port, long, NULL, 0444); |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 60 | MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | module_param_array(irq, int, NULL, 0444); |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 62 | MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | module_param_array(dma1, int, NULL, 0444); |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 64 | MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | module_param_array(thinkpad, bool, NULL, 0444); |
| 66 | MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series."); |
| 67 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 68 | static int __devinit snd_ad1848_match(struct device *dev, unsigned int n) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | { |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 70 | if (!enable[n]) |
| 71 | return 0; |
| 72 | |
| 73 | if (port[n] == SNDRV_AUTO_PORT) { |
| 74 | snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id); |
| 75 | return 0; |
| 76 | } |
| 77 | if (irq[n] == SNDRV_AUTO_IRQ) { |
| 78 | snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id); |
| 79 | return 0; |
| 80 | } |
| 81 | if (dma1[n] == SNDRV_AUTO_DMA) { |
| 82 | snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id); |
| 83 | return 0; |
| 84 | } |
| 85 | return 1; |
| 86 | } |
| 87 | |
| 88 | static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n) |
| 89 | { |
Takashi Iwai | c8ff664 | 2005-11-17 14:29:37 +0100 | [diff] [blame] | 90 | struct snd_card *card; |
| 91 | struct snd_ad1848 *chip; |
| 92 | struct snd_pcm *pcm; |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 93 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 95 | card = snd_card_new(index[n], id[n], THIS_MODULE, 0); |
| 96 | if (!card) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 98 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 99 | error = snd_ad1848_create(card, port[n], irq[n], dma1[n], |
| 100 | thinkpad[n] ? AD1848_HW_THINKPAD : AD1848_HW_DETECT, &chip); |
| 101 | if (error < 0) |
| 102 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 104 | card->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 106 | error = snd_ad1848_pcm(chip, 0, &pcm); |
| 107 | if (error < 0) |
| 108 | goto out; |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 109 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 110 | error = snd_ad1848_mixer(chip); |
| 111 | if (error < 0) |
| 112 | goto out; |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 113 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | strcpy(card->driver, "AD1848"); |
| 115 | strcpy(card->shortname, pcm->name); |
| 116 | |
| 117 | sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 118 | pcm->name, chip->port, irq[n], dma1[n]); |
| 119 | if (thinkpad[n]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | strcat(card->longname, " [Thinkpad]"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 122 | snd_card_set_dev(card, dev); |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 123 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 124 | error = snd_card_register(card); |
| 125 | if (error < 0) |
| 126 | goto out; |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 127 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 128 | dev_set_drvdata(dev, card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | return 0; |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 130 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 131 | out: snd_card_free(card); |
| 132 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | } |
| 134 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 135 | static int __devexit snd_ad1848_remove(struct device *dev, unsigned int n) |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 136 | { |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 137 | snd_card_free(dev_get_drvdata(dev)); |
| 138 | dev_set_drvdata(dev, NULL); |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 139 | return 0; |
| 140 | } |
| 141 | |
| 142 | #ifdef CONFIG_PM |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 143 | static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state) |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 144 | { |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 145 | struct snd_card *card = dev_get_drvdata(dev); |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 146 | struct snd_ad1848 *chip = card->private_data; |
| 147 | |
| 148 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
| 149 | chip->suspend(chip); |
| 150 | return 0; |
| 151 | } |
| 152 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 153 | static int snd_ad1848_resume(struct device *dev, unsigned int n) |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 154 | { |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 155 | struct snd_card *card = dev_get_drvdata(dev); |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 156 | struct snd_ad1848 *chip = card->private_data; |
| 157 | |
| 158 | chip->resume(chip); |
| 159 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
| 160 | return 0; |
| 161 | } |
| 162 | #endif |
| 163 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 164 | static struct isa_driver snd_ad1848_driver = { |
| 165 | .match = snd_ad1848_match, |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 166 | .probe = snd_ad1848_probe, |
| 167 | .remove = __devexit_p(snd_ad1848_remove), |
| 168 | #ifdef CONFIG_PM |
| 169 | .suspend = snd_ad1848_suspend, |
| 170 | .resume = snd_ad1848_resume, |
| 171 | #endif |
| 172 | .driver = { |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 173 | .name = DEV_NAME |
| 174 | } |
Takashi Iwai | 6866884 | 2005-11-17 16:58:26 +0100 | [diff] [blame] | 175 | }; |
| 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | static int __init alsa_card_ad1848_init(void) |
| 178 | { |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 179 | return isa_register_driver(&snd_ad1848_driver, SNDRV_CARDS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | static void __exit alsa_card_ad1848_exit(void) |
| 183 | { |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 184 | isa_unregister_driver(&snd_ad1848_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | } |
| 186 | |
Rene Herman | e2759e3 | 2007-02-14 13:22:41 +0100 | [diff] [blame] | 187 | module_init(alsa_card_ad1848_init); |
| 188 | module_exit(alsa_card_ad1848_exit); |