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 <asm/dma.h> 24 #include <linux/init.h> 25 #include <linux/time.h> 26 #include <linux/wait.h> 27 #include <linux/moduleparam.h> 28 #include <sound/core.h> 29 #include <sound/es1688.h> 30 #include <sound/mpu401.h> 31 #include <sound/opl3.h> 32 #define SNDRV_LEGACY_AUTO_PROBE 33 #define SNDRV_LEGACY_FIND_FREE_IRQ 34 #define SNDRV_LEGACY_FIND_FREE_DMA 35 #include <sound/initval.h> 36 37 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 38 MODULE_DESCRIPTION("ESS ESx688 AudioDrive"); 39 MODULE_LICENSE("GPL"); 40 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100}," 41 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102}," 42 "{ESS,ES688 AudioDrive,pnp:ESS6881}," 43 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}"); 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; /* 0x220,0x240,0x260 */ 49 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 50 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 51 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 52 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ 53 54 module_param_array(index, int, NULL, 0444); 55 MODULE_PARM_DESC(index, "Index value for ESx688 soundcard."); 56 module_param_array(id, charp, NULL, 0444); 57 MODULE_PARM_DESC(id, "ID string for ESx688 soundcard."); 58 module_param_array(enable, bool, NULL, 0444); 59 MODULE_PARM_DESC(enable, "Enable ESx688 soundcard."); 60 module_param_array(port, long, NULL, 0444); 61 MODULE_PARM_DESC(port, "Port # for ESx688 driver."); 62 module_param_array(mpu_port, long, NULL, 0444); 63 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ESx688 driver."); 64 module_param_array(irq, int, NULL, 0444); 65 MODULE_PARM_DESC(irq, "IRQ # for ESx688 driver."); 66 module_param_array(mpu_irq, int, NULL, 0444); 67 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for ESx688 driver."); 68 module_param_array(dma8, int, NULL, 0444); 69 MODULE_PARM_DESC(dma8, "8-bit DMA # for ESx688 driver."); 70 71 static snd_card_t *snd_audiodrive_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; 72 73 #define PFX "es1688: " 74 75 static int __init snd_audiodrive_probe(int dev) 76 { 77 static int possible_irqs[] = {5, 9, 10, 7, -1}; 78 static int possible_dmas[] = {1, 3, 0, -1}; 79 int xirq, xdma, xmpu_irq; 80 snd_card_t *card; 81 es1688_t *chip; 82 opl3_t *opl3; 83 snd_pcm_t *pcm; 84 int err; 85 86 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); 87 if (card == NULL) 88 return -ENOMEM; 89 90 xirq = irq[dev]; 91 if (xirq == SNDRV_AUTO_IRQ) { 92 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { 93 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); 94 err = -EBUSY; 95 goto _err; 96 } 97 } 98 xmpu_irq = mpu_irq[dev]; 99 xdma = dma8[dev]; 100 if (xdma == SNDRV_AUTO_DMA) { 101 if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) { 102 snd_printk(KERN_ERR PFX "unable to find a free DMA\n"); 103 err = -EBUSY; 104 goto _err; 105 } 106 } 107 108 if ((err = snd_es1688_create(card, port[dev], mpu_port[dev], 109 xirq, xmpu_irq, xdma, 110 ES1688_HW_AUTO, &chip)) < 0) 111 goto _err; 112 113 if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0) 114 goto _err; 115 116 if ((err = snd_es1688_mixer(chip)) < 0) 117 goto _err; 118 119 strcpy(card->driver, "ES1688"); 120 strcpy(card->shortname, pcm->name); 121 sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name, chip->port, xirq, xdma); 122 123 if ((snd_opl3_create(card, chip->port, chip->port + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) { 124 printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->port); 125 } else { 126 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) 127 goto _err; 128 } 129 130 if (xmpu_irq >= 0 && xmpu_irq != SNDRV_AUTO_IRQ && chip->mpu_port > 0) { 131 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688, 132 chip->mpu_port, 0, 133 xmpu_irq, 134 SA_INTERRUPT, 135 NULL)) < 0) 136 goto _err; 137 } 138 139 if ((err = snd_card_set_generic_dev(card)) < 0) 140 goto _err; 141 142 if ((err = snd_card_register(card)) < 0) 143 goto _err; 144 145 snd_audiodrive_cards[dev] = card; 146 return 0; 147 148 _err: 149 snd_card_free(card); 150 return err; 151 } 152 153 static int __init snd_audiodrive_legacy_auto_probe(unsigned long xport) 154 { 155 static int dev; 156 int res; 157 158 for ( ; dev < SNDRV_CARDS; dev++) { 159 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) 160 continue; 161 port[dev] = xport; 162 res = snd_audiodrive_probe(dev); 163 if (res < 0) 164 port[dev] = SNDRV_AUTO_PORT; 165 return res; 166 } 167 return -ENODEV; 168 } 169 170 static int __init alsa_card_es1688_init(void) 171 { 172 static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1}; 173 int dev, cards = 0, i; 174 175 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) { 176 if (port[dev] == SNDRV_AUTO_PORT) 177 continue; 178 if (snd_audiodrive_probe(dev) >= 0) 179 cards++; 180 } 181 i = snd_legacy_auto_probe(possible_ports, snd_audiodrive_legacy_auto_probe); 182 if (i > 0) 183 cards += i; 184 185 if (!cards) { 186 #ifdef MODULE 187 printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n"); 188 #endif 189 return -ENODEV; 190 } 191 return 0; 192 } 193 194 static void __exit alsa_card_es1688_exit(void) 195 { 196 int idx; 197 198 for (idx = 0; idx < SNDRV_CARDS; idx++) 199 snd_card_free(snd_audiodrive_cards[idx]); 200 } 201 202 module_init(alsa_card_es1688_init) 203 module_exit(alsa_card_es1688_exit) 204