1 /* 2 * The driver for the Cirrus Logic's Sound Fusion CS46XX based 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 /* 23 NOTES: 24 - sometimes the sound is metallic and sibilant, unloading and 25 reloading the module may solve this. 26 */ 27 28 #include <linux/pci.h> 29 #include <linux/time.h> 30 #include <linux/init.h> 31 #include <linux/module.h> 32 #include <sound/core.h> 33 #include <sound/cs46xx.h> 34 #include <sound/initval.h> 35 36 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 37 MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX"); 38 MODULE_LICENSE("GPL"); 39 MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)}," 40 "{Cirrus Logic,Sound Fusion (CS4610)}," 41 "{Cirrus Logic,Sound Fusion (CS4612)}," 42 "{Cirrus Logic,Sound Fusion (CS4615)}," 43 "{Cirrus Logic,Sound Fusion (CS4622)}," 44 "{Cirrus Logic,Sound Fusion (CS4624)}," 45 "{Cirrus Logic,Sound Fusion (CS4630)}}"); 46 47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 49 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 50 static int external_amp[SNDRV_CARDS]; 51 static int thinkpad[SNDRV_CARDS]; 52 static int mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; 53 54 module_param_array(index, int, NULL, 0444); 55 MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard."); 56 module_param_array(id, charp, NULL, 0444); 57 MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard."); 58 module_param_array(enable, bool, NULL, 0444); 59 MODULE_PARM_DESC(enable, "Enable CS46xx soundcard."); 60 module_param_array(external_amp, bool, NULL, 0444); 61 MODULE_PARM_DESC(external_amp, "Force to enable external amplifer."); 62 module_param_array(thinkpad, bool, NULL, 0444); 63 MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control."); 64 module_param_array(mmap_valid, bool, NULL, 0444); 65 MODULE_PARM_DESC(mmap_valid, "Support OSS mmap."); 66 67 static DEFINE_PCI_DEVICE_TABLE(snd_cs46xx_ids) = { 68 { PCI_VDEVICE(CIRRUS, 0x6001), 0, }, /* CS4280 */ 69 { PCI_VDEVICE(CIRRUS, 0x6003), 0, }, /* CS4612 */ 70 { PCI_VDEVICE(CIRRUS, 0x6004), 0, }, /* CS4615 */ 71 { 0, } 72 }; 73 74 MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids); 75 76 static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci, 77 const struct pci_device_id *pci_id) 78 { 79 static int dev; 80 struct snd_card *card; 81 struct snd_cs46xx *chip; 82 int err; 83 84 if (dev >= SNDRV_CARDS) 85 return -ENODEV; 86 if (!enable[dev]) { 87 dev++; 88 return -ENOENT; 89 } 90 91 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); 92 if (err < 0) 93 return err; 94 if ((err = snd_cs46xx_create(card, pci, 95 external_amp[dev], thinkpad[dev], 96 &chip)) < 0) { 97 snd_card_free(card); 98 return err; 99 } 100 card->private_data = chip; 101 chip->accept_valid = mmap_valid[dev]; 102 if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) { 103 snd_card_free(card); 104 return err; 105 } 106 #ifdef CONFIG_SND_CS46XX_NEW_DSP 107 if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) { 108 snd_card_free(card); 109 return err; 110 } 111 if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) { 112 snd_card_free(card); 113 return err; 114 } 115 #endif 116 if ((err = snd_cs46xx_mixer(chip, 2)) < 0) { 117 snd_card_free(card); 118 return err; 119 } 120 #ifdef CONFIG_SND_CS46XX_NEW_DSP 121 if (chip->nr_ac97_codecs ==2) { 122 if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) { 123 snd_card_free(card); 124 return err; 125 } 126 } 127 #endif 128 if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) { 129 snd_card_free(card); 130 return err; 131 } 132 if ((err = snd_cs46xx_start_dsp(chip)) < 0) { 133 snd_card_free(card); 134 return err; 135 } 136 137 138 snd_cs46xx_gameport(chip); 139 140 strcpy(card->driver, "CS46xx"); 141 strcpy(card->shortname, "Sound Fusion CS46xx"); 142 sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i", 143 card->shortname, 144 chip->ba0_addr, 145 chip->ba1_addr, 146 chip->irq); 147 148 if ((err = snd_card_register(card)) < 0) { 149 snd_card_free(card); 150 return err; 151 } 152 153 pci_set_drvdata(pci, card); 154 dev++; 155 return 0; 156 } 157 158 static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci) 159 { 160 snd_card_free(pci_get_drvdata(pci)); 161 pci_set_drvdata(pci, NULL); 162 } 163 164 static struct pci_driver driver = { 165 .name = KBUILD_MODNAME, 166 .id_table = snd_cs46xx_ids, 167 .probe = snd_card_cs46xx_probe, 168 .remove = __devexit_p(snd_card_cs46xx_remove), 169 #ifdef CONFIG_PM 170 .suspend = snd_cs46xx_suspend, 171 .resume = snd_cs46xx_resume, 172 #endif 173 }; 174 175 static int __init alsa_card_cs46xx_init(void) 176 { 177 return pci_register_driver(&driver); 178 } 179 180 static void __exit alsa_card_cs46xx_exit(void) 181 { 182 pci_unregister_driver(&driver); 183 } 184 185 module_init(alsa_card_cs46xx_init) 186 module_exit(alsa_card_cs46xx_exit) 187