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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 | // SPDX-License-Identifier: GPL-2.0-or-later /* * 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 */ #include "emu8000_local.h" #include <linux/init.h> #include <linux/module.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_probe(struct device *_dev) { struct snd_seq_device *dev = to_seq_dev(_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_remove(struct device *_dev) { struct snd_seq_device *dev = to_seq_dev(_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); snd_emux_free(hw->emu); snd_util_memhdr_free(hw->memhdr); hw->emu = NULL; hw->memhdr = NULL; return 0; } /* * INIT part */ static struct snd_seq_driver emu8000_driver = { .driver = { .name = KBUILD_MODNAME, .probe = snd_emu8000_probe, .remove = snd_emu8000_remove, }, .id = SNDRV_SEQ_DEV_ID_EMU8000, .argsize = sizeof(struct snd_emu8000 *), }; module_snd_seq_driver(emu8000_driver); |