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