/* * 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)