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> 23 #include <linux/init.h> 24 #include <linux/err.h> 25 #include <linux/isa.h> 26 #include <linux/time.h> 27 #include <linux/wait.h> 28 #include <linux/moduleparam.h> 29 #include <asm/dma.h> 30 #include <sound/core.h> 31 #include <sound/es1688.h> 32 #include <sound/mpu401.h> 33 #include <sound/opl3.h> 34 #define SNDRV_LEGACY_FIND_FREE_IRQ 35 #define SNDRV_LEGACY_FIND_FREE_DMA 36 #include <sound/initval.h> 37 38 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive" 39 #define DEV_NAME "es1688" 40 41 MODULE_DESCRIPTION(CRD_NAME); 42 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 43 MODULE_LICENSE("GPL"); 44 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100}," 45 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102}," 46 "{ESS,ES688 AudioDrive,pnp:ESS6881}," 47 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}"); 48 49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 51 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ 52 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */ 53 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 54 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 55 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 56 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ 57 58 module_param_array(index, int, NULL, 0444); 59 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); 60 module_param_array(id, charp, NULL, 0444); 61 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); 62 module_param_array(enable, bool, NULL, 0444); 63 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); 64 module_param_array(port, long, NULL, 0444); 65 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); 66 module_param_array(mpu_port, long, NULL, 0444); 67 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); 68 module_param_array(irq, int, NULL, 0444); 69 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); 70 module_param_array(mpu_irq, int, NULL, 0444); 71 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); 72 module_param_array(dma8, int, NULL, 0444); 73 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver."); 74 75 static int __devinit snd_es1688_match(struct device *dev, unsigned int n) 76 { 77 return enable[n]; 78 } 79 80 static int __devinit snd_es1688_legacy_create(struct snd_card *card, 81 struct device *dev, unsigned int n, struct snd_es1688 **rchip) 82 { 83 static long possible_ports[] = {0x220, 0x240, 0x260}; 84 static int possible_irqs[] = {5, 9, 10, 7, -1}; 85 static int possible_dmas[] = {1, 3, 0, -1}; 86 87 int i, error; 88 89 if (irq[n] == SNDRV_AUTO_IRQ) { 90 irq[n] = snd_legacy_find_free_irq(possible_irqs); 91 if (irq[n] < 0) { 92 snd_printk(KERN_ERR "%s: unable to find a free IRQ\n", 93 dev->bus_id); 94 return -EBUSY; 95 } 96 } 97 if (dma8[n] == SNDRV_AUTO_DMA) { 98 dma8[n] = snd_legacy_find_free_dma(possible_dmas); 99 if (dma8[n] < 0) { 100 snd_printk(KERN_ERR "%s: unable to find a free DMA\n", 101 dev->bus_id); 102 return -EBUSY; 103 } 104 } 105 106 if (port[n] != SNDRV_AUTO_PORT) 107 return snd_es1688_create(card, port[n], mpu_port[n], irq[n], 108 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip); 109 110 i = 0; 111 do { 112 port[n] = possible_ports[i]; 113 error = snd_es1688_create(card, port[n], mpu_port[n], irq[n], 114 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip); 115 } while (error < 0 && ++i < ARRAY_SIZE(possible_ports)); 116 117 return error; 118 } 119 120 static int __devinit snd_es1688_probe(struct device *dev, unsigned int n) 121 { 122 struct snd_card *card; 123 struct snd_es1688 *chip; 124 struct snd_opl3 *opl3; 125 struct snd_pcm *pcm; 126 int error; 127 128 card = snd_card_new(index[n], id[n], THIS_MODULE, 0); 129 if (!card) 130 return -EINVAL; 131 132 error = snd_es1688_legacy_create(card, dev, n, &chip); 133 if (error < 0) 134 goto out; 135 136 error = snd_es1688_pcm(chip, 0, &pcm); 137 if (error < 0) 138 goto out; 139 140 error = snd_es1688_mixer(chip); 141 if (error < 0) 142 goto out; 143 144 strcpy(card->driver, "ES1688"); 145 strcpy(card->shortname, pcm->name); 146 sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name, 147 chip->port, chip->irq, chip->dma8); 148 149 if (snd_opl3_create(card, chip->port, chip->port + 2, 150 OPL3_HW_OPL3, 0, &opl3) < 0) 151 printk(KERN_WARNING "%s: opl3 not detected at 0x%lx\n", 152 dev->bus_id, chip->port); 153 else { 154 error = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 155 if (error < 0) 156 goto out; 157 } 158 159 if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ && 160 chip->mpu_port > 0) { 161 error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688, 162 chip->mpu_port, 0, 163 mpu_irq[n], IRQF_DISABLED, NULL); 164 if (error < 0) 165 goto out; 166 } 167 168 snd_card_set_dev(card, dev); 169 170 error = snd_card_register(card); 171 if (error < 0) 172 goto out; 173 174 dev_set_drvdata(dev, card); 175 return 0; 176 177 out: snd_card_free(card); 178 return error; 179 } 180 181 static int __devexit snd_es1688_remove(struct device *dev, unsigned int n) 182 { 183 snd_card_free(dev_get_drvdata(dev)); 184 dev_set_drvdata(dev, NULL); 185 return 0; 186 } 187 188 static struct isa_driver snd_es1688_driver = { 189 .match = snd_es1688_match, 190 .probe = snd_es1688_probe, 191 .remove = snd_es1688_remove, 192 #if 0 /* FIXME */ 193 .suspend = snd_es1688_suspend, 194 .resume = snd_es1688_resume, 195 #endif 196 .driver = { 197 .name = DEV_NAME 198 } 199 }; 200 201 static int __init alsa_card_es1688_init(void) 202 { 203 return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS); 204 } 205 206 static void __exit alsa_card_es1688_exit(void) 207 { 208 isa_unregister_driver(&snd_es1688_driver); 209 } 210 211 module_init(alsa_card_es1688_init); 212 module_exit(alsa_card_es1688_exit); 213