1 /* 2 * Driver for generic ESS AudioDrive ESx688 soundcards 3 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/init.h> 23 #include <linux/err.h> 24 #include <linux/isa.h> 25 #include <linux/time.h> 26 #include <linux/wait.h> 27 #include <linux/moduleparam.h> 28 #include <asm/dma.h> 29 #include <sound/core.h> 30 #include <sound/es1688.h> 31 #include <sound/mpu401.h> 32 #include <sound/opl3.h> 33 #define SNDRV_LEGACY_FIND_FREE_IRQ 34 #define SNDRV_LEGACY_FIND_FREE_DMA 35 #include <sound/initval.h> 36 37 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive" 38 #define DEV_NAME "es1688" 39 40 MODULE_DESCRIPTION(CRD_NAME); 41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 42 MODULE_LICENSE("GPL"); 43 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100}," 44 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102}," 45 "{ESS,ES688 AudioDrive,pnp:ESS6881}," 46 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}"); 47 48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ 51 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */ 52 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 53 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 54 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 55 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ 56 57 module_param_array(index, int, NULL, 0444); 58 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); 59 module_param_array(id, charp, NULL, 0444); 60 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); 61 module_param_array(enable, bool, NULL, 0444); 62 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); 63 module_param_array(port, long, NULL, 0444); 64 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); 65 module_param_array(mpu_port, long, NULL, 0444); 66 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); 67 module_param_array(irq, int, NULL, 0444); 68 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); 69 module_param_array(mpu_irq, int, NULL, 0444); 70 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); 71 module_param_array(dma8, int, NULL, 0444); 72 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver."); 73 74 static int __devinit snd_es1688_match(struct device *dev, unsigned int n) 75 { 76 return enable[n]; 77 } 78 79 static int __devinit snd_es1688_legacy_create(struct snd_card *card, 80 struct device *dev, unsigned int n, struct snd_es1688 **rchip) 81 { 82 static long possible_ports[] = {0x220, 0x240, 0x260}; 83 static int possible_irqs[] = {5, 9, 10, 7, -1}; 84 static int possible_dmas[] = {1, 3, 0, -1}; 85 86 int i, error; 87 88 if (irq[n] == SNDRV_AUTO_IRQ) { 89 irq[n] = snd_legacy_find_free_irq(possible_irqs); 90 if (irq[n] < 0) { 91 dev_err(dev, "unable to find a free IRQ\n"); 92 return -EBUSY; 93 } 94 } 95 if (dma8[n] == SNDRV_AUTO_DMA) { 96 dma8[n] = snd_legacy_find_free_dma(possible_dmas); 97 if (dma8[n] < 0) { 98 dev_err(dev, "unable to find a free DMA\n"); 99 return -EBUSY; 100 } 101 } 102 103 if (port[n] != SNDRV_AUTO_PORT) 104 return snd_es1688_create(card, port[n], mpu_port[n], irq[n], 105 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip); 106 107 i = 0; 108 do { 109 port[n] = possible_ports[i]; 110 error = snd_es1688_create(card, port[n], mpu_port[n], irq[n], 111 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip); 112 } while (error < 0 && ++i < ARRAY_SIZE(possible_ports)); 113 114 return error; 115 } 116 117 static int __devinit snd_es1688_probe(struct device *dev, unsigned int n) 118 { 119 struct snd_card *card; 120 struct snd_es1688 *chip; 121 struct snd_opl3 *opl3; 122 struct snd_pcm *pcm; 123 int error; 124 125 card = snd_card_new(index[n], id[n], THIS_MODULE, 0); 126 if (!card) 127 return -EINVAL; 128 129 error = snd_es1688_legacy_create(card, dev, n, &chip); 130 if (error < 0) 131 goto out; 132 133 error = snd_es1688_pcm(chip, 0, &pcm); 134 if (error < 0) 135 goto out; 136 137 error = snd_es1688_mixer(chip); 138 if (error < 0) 139 goto out; 140 141 strcpy(card->driver, "ES1688"); 142 strcpy(card->shortname, pcm->name); 143 sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name, 144 chip->port, chip->irq, chip->dma8); 145 146 if (snd_opl3_create(card, chip->port, chip->port + 2, 147 OPL3_HW_OPL3, 0, &opl3) < 0) 148 dev_warn(dev, "opl3 not detected at 0x%lx\n", chip->port); 149 else { 150 error = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 151 if (error < 0) 152 goto out; 153 } 154 155 if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ && 156 chip->mpu_port > 0) { 157 error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688, 158 chip->mpu_port, 0, 159 mpu_irq[n], IRQF_DISABLED, NULL); 160 if (error < 0) 161 goto out; 162 } 163 164 snd_card_set_dev(card, dev); 165 166 error = snd_card_register(card); 167 if (error < 0) 168 goto out; 169 170 dev_set_drvdata(dev, card); 171 return 0; 172 173 out: snd_card_free(card); 174 return error; 175 } 176 177 static int __devexit snd_es1688_remove(struct device *dev, unsigned int n) 178 { 179 snd_card_free(dev_get_drvdata(dev)); 180 dev_set_drvdata(dev, NULL); 181 return 0; 182 } 183 184 static struct isa_driver snd_es1688_driver = { 185 .match = snd_es1688_match, 186 .probe = snd_es1688_probe, 187 .remove = snd_es1688_remove, 188 #if 0 /* FIXME */ 189 .suspend = snd_es1688_suspend, 190 .resume = snd_es1688_resume, 191 #endif 192 .driver = { 193 .name = DEV_NAME 194 } 195 }; 196 197 static int __init alsa_card_es1688_init(void) 198 { 199 return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS); 200 } 201 202 static void __exit alsa_card_es1688_exit(void) 203 { 204 isa_unregister_driver(&snd_es1688_driver); 205 } 206 207 module_init(alsa_card_es1688_init); 208 module_exit(alsa_card_es1688_exit); 209