Loading...
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 | /* * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk> * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de> * * Emu8000 synth plug-in routine * * 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 "emu8000_local.h" #include <linux/init.h> #include <sound/initval.h> MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe"); MODULE_DESCRIPTION("Emu8000 synth plug-in routine"); MODULE_LICENSE("GPL"); /*----------------------------------------------------------------*/ /* * create a new hardware dependent device for Emu8000 */ static int snd_emu8000_new_device(struct snd_seq_device *dev) { struct snd_emu8000 *hw; struct snd_emux *emu; hw = *(struct snd_emu8000**)SNDRV_SEQ_DEVICE_ARGPTR(dev); if (hw == NULL) return -EINVAL; if (hw->emu) return -EBUSY; /* already exists..? */ if (snd_emux_new(&emu) < 0) return -ENOMEM; hw->emu = emu; snd_emu8000_ops_setup(hw); emu->hw = hw; emu->max_voices = EMU8000_DRAM_VOICES; emu->num_ports = hw->seq_ports; if (hw->memhdr) { snd_printk(KERN_ERR "memhdr is already initialized!?\n"); snd_util_memhdr_free(hw->memhdr); } hw->memhdr = snd_util_memhdr_new(hw->mem_size); if (hw->memhdr == NULL) { snd_emux_free(emu); hw->emu = NULL; return -ENOMEM; } emu->memhdr = hw->memhdr; emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */ emu->midi_devidx = 1; emu->linear_panning = 1; emu->hwdep_idx = 2; /* FIXED */ if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) { snd_emux_free(emu); snd_util_memhdr_free(hw->memhdr); hw->emu = NULL; hw->memhdr = NULL; return -ENOMEM; } if (hw->mem_size > 0) snd_emu8000_pcm_new(dev->card, hw, 1); dev->driver_data = hw; return 0; } /* * free all resources */ static int snd_emu8000_delete_device(struct snd_seq_device *dev) { struct snd_emu8000 *hw; if (dev->driver_data == NULL) return 0; /* no synth was allocated actually */ hw = dev->driver_data; if (hw->pcm) snd_device_free(dev->card, hw->pcm); if (hw->emu) snd_emux_free(hw->emu); if (hw->memhdr) snd_util_memhdr_free(hw->memhdr); hw->emu = NULL; hw->memhdr = NULL; return 0; } /* * INIT part */ static int __init alsa_emu8000_init(void) { static struct snd_seq_dev_ops ops = { snd_emu8000_new_device, snd_emu8000_delete_device, }; return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_EMU8000, &ops, sizeof(struct snd_emu8000*)); } static void __exit alsa_emu8000_exit(void) { snd_seq_device_unregister_driver(SNDRV_SEQ_DEV_ID_EMU8000); } module_init(alsa_emu8000_init) module_exit(alsa_emu8000_exit) |