| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
| 3 | * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk> |
| 4 | * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de> |
| 5 | * |
| 6 | * Emu8000 synth plug-in routine |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #include "emu8000_local.h" |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <sound/initval.h> |
| 27 | |
| 28 | MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe"); |
| 29 | MODULE_DESCRIPTION("Emu8000 synth plug-in routine"); |
| 30 | MODULE_LICENSE("GPL"); |
| 31 | |
| 32 | /*----------------------------------------------------------------*/ |
| 33 | |
| 34 | /* |
| 35 | * create a new hardware dependent device for Emu8000 |
| 36 | */ |
| 37 | static int snd_emu8000_probe(struct device *_dev) |
| 38 | { |
| 39 | struct snd_seq_device *dev = to_seq_dev(_dev); |
| 40 | struct snd_emu8000 *hw; |
| 41 | struct snd_emux *emu; |
| 42 | |
| 43 | hw = *(struct snd_emu8000**)SNDRV_SEQ_DEVICE_ARGPTR(dev); |
| 44 | if (hw == NULL) |
| 45 | return -EINVAL; |
| 46 | |
| 47 | if (hw->emu) |
| 48 | return -EBUSY; /* already exists..? */ |
| 49 | |
| 50 | if (snd_emux_new(&emu) < 0) |
| 51 | return -ENOMEM; |
| 52 | |
| 53 | hw->emu = emu; |
| 54 | snd_emu8000_ops_setup(hw); |
| 55 | |
| 56 | emu->hw = hw; |
| 57 | emu->max_voices = EMU8000_DRAM_VOICES; |
| 58 | emu->num_ports = hw->seq_ports; |
| 59 | |
| 60 | if (hw->memhdr) { |
| 61 | snd_printk(KERN_ERR "memhdr is already initialized!?\n"); |
| 62 | snd_util_memhdr_free(hw->memhdr); |
| 63 | } |
| 64 | hw->memhdr = snd_util_memhdr_new(hw->mem_size); |
| 65 | if (hw->memhdr == NULL) { |
| 66 | snd_emux_free(emu); |
| 67 | hw->emu = NULL; |
| 68 | return -ENOMEM; |
| 69 | } |
| 70 | |
| 71 | emu->memhdr = hw->memhdr; |
| 72 | emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */ |
| 73 | emu->midi_devidx = 1; |
| 74 | emu->linear_panning = 1; |
| 75 | emu->hwdep_idx = 2; /* FIXED */ |
| 76 | |
| 77 | if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) { |
| 78 | snd_emux_free(emu); |
| 79 | snd_util_memhdr_free(hw->memhdr); |
| 80 | hw->emu = NULL; |
| 81 | hw->memhdr = NULL; |
| 82 | return -ENOMEM; |
| 83 | } |
| 84 | |
| 85 | if (hw->mem_size > 0) |
| 86 | snd_emu8000_pcm_new(dev->card, hw, 1); |
| 87 | |
| 88 | dev->driver_data = hw; |
| 89 | |
| 90 | return 0; |
| 91 | } |
| 92 | |
| 93 | |
| 94 | /* |
| 95 | * free all resources |
| 96 | */ |
| 97 | static int snd_emu8000_remove(struct device *_dev) |
| 98 | { |
| 99 | struct snd_seq_device *dev = to_seq_dev(_dev); |
| 100 | struct snd_emu8000 *hw; |
| 101 | |
| 102 | if (dev->driver_data == NULL) |
| 103 | return 0; /* no synth was allocated actually */ |
| 104 | |
| 105 | hw = dev->driver_data; |
| 106 | if (hw->pcm) |
| 107 | snd_device_free(dev->card, hw->pcm); |
| 108 | snd_emux_free(hw->emu); |
| 109 | snd_util_memhdr_free(hw->memhdr); |
| 110 | hw->emu = NULL; |
| 111 | hw->memhdr = NULL; |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | /* |
| 116 | * INIT part |
| 117 | */ |
| 118 | |
| 119 | static struct snd_seq_driver emu8000_driver = { |
| 120 | .driver = { |
| 121 | .name = KBUILD_MODNAME, |
| 122 | .probe = snd_emu8000_probe, |
| 123 | .remove = snd_emu8000_remove, |
| 124 | }, |
| 125 | .id = SNDRV_SEQ_DEV_ID_EMU8000, |
| 126 | .argsize = sizeof(struct snd_emu8000 *), |
| 127 | }; |
| 128 | |
| 129 | module_snd_seq_driver(emu8000_driver); |