^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Emu8000 synth plug-in routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "emu8000_local.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/initval.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /*----------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * create a new hardware dependent device for Emu8000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static int snd_emu8000_probe(struct device *_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct snd_seq_device *dev = to_seq_dev(_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct snd_emu8000 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct snd_emux *emu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) hw = *(struct snd_emu8000**)SNDRV_SEQ_DEVICE_ARGPTR(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) if (hw == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) if (hw->emu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) return -EBUSY; /* already exists..? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (snd_emux_new(&emu) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) hw->emu = emu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) snd_emu8000_ops_setup(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) emu->hw = hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) emu->max_voices = EMU8000_DRAM_VOICES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) emu->num_ports = hw->seq_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if (hw->memhdr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) snd_printk(KERN_ERR "memhdr is already initialized!?\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) snd_util_memhdr_free(hw->memhdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) hw->memhdr = snd_util_memhdr_new(hw->mem_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (hw->memhdr == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) snd_emux_free(emu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) hw->emu = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) emu->memhdr = hw->memhdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) emu->midi_devidx = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) emu->linear_panning = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) emu->hwdep_idx = 2; /* FIXED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) snd_emux_free(emu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) snd_util_memhdr_free(hw->memhdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) hw->emu = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) hw->memhdr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (hw->mem_size > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) snd_emu8000_pcm_new(dev->card, hw, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) dev->driver_data = hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * free all resources
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static int snd_emu8000_remove(struct device *_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct snd_seq_device *dev = to_seq_dev(_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct snd_emu8000 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (dev->driver_data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return 0; /* no synth was allocated actually */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) hw = dev->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (hw->pcm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) snd_device_free(dev->card, hw->pcm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) snd_emux_free(hw->emu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) snd_util_memhdr_free(hw->memhdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) hw->emu = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) hw->memhdr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * INIT part
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static struct snd_seq_driver emu8000_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .name = KBUILD_MODNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .probe = snd_emu8000_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .remove = snd_emu8000_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .id = SNDRV_SEQ_DEV_ID_EMU8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .argsize = sizeof(struct snd_emu8000 *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) module_snd_seq_driver(emu8000_driver);