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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
28MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
29MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
30MODULE_LICENSE("GPL");
31
32/*----------------------------------------------------------------*/
33
34/*
35 * create a new hardware dependent device for Emu8000
36 */
37static 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 */
97static 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
119static 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
129module_snd_seq_driver(emu8000_driver);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk>
5 * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
6 *
7 * Emu8000 synth plug-in routine
8 */
9
10#include "emu8000_local.h"
11#include <linux/init.h>
12#include <linux/module.h>
13#include <sound/initval.h>
14
15MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
16MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
17MODULE_LICENSE("GPL");
18
19/*----------------------------------------------------------------*/
20
21/*
22 * create a new hardware dependent device for Emu8000
23 */
24static int snd_emu8000_probe(struct device *_dev)
25{
26 struct snd_seq_device *dev = to_seq_dev(_dev);
27 struct snd_emu8000 *hw;
28 struct snd_emux *emu;
29
30 hw = *(struct snd_emu8000**)SNDRV_SEQ_DEVICE_ARGPTR(dev);
31 if (hw == NULL)
32 return -EINVAL;
33
34 if (hw->emu)
35 return -EBUSY; /* already exists..? */
36
37 if (snd_emux_new(&emu) < 0)
38 return -ENOMEM;
39
40 hw->emu = emu;
41 snd_emu8000_ops_setup(hw);
42
43 emu->hw = hw;
44 emu->max_voices = EMU8000_DRAM_VOICES;
45 emu->num_ports = hw->seq_ports;
46
47 if (hw->memhdr) {
48 snd_printk(KERN_ERR "memhdr is already initialized!?\n");
49 snd_util_memhdr_free(hw->memhdr);
50 }
51 hw->memhdr = snd_util_memhdr_new(hw->mem_size);
52 if (hw->memhdr == NULL) {
53 snd_emux_free(emu);
54 hw->emu = NULL;
55 return -ENOMEM;
56 }
57
58 emu->memhdr = hw->memhdr;
59 emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */
60 emu->midi_devidx = 1;
61 emu->linear_panning = 1;
62 emu->hwdep_idx = 2; /* FIXED */
63
64 if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) {
65 snd_emux_free(emu);
66 snd_util_memhdr_free(hw->memhdr);
67 hw->emu = NULL;
68 hw->memhdr = NULL;
69 return -ENOMEM;
70 }
71
72 if (hw->mem_size > 0)
73 snd_emu8000_pcm_new(dev->card, hw, 1);
74
75 dev->driver_data = hw;
76
77 return 0;
78}
79
80
81/*
82 * free all resources
83 */
84static int snd_emu8000_remove(struct device *_dev)
85{
86 struct snd_seq_device *dev = to_seq_dev(_dev);
87 struct snd_emu8000 *hw;
88
89 if (dev->driver_data == NULL)
90 return 0; /* no synth was allocated actually */
91
92 hw = dev->driver_data;
93 if (hw->pcm)
94 snd_device_free(dev->card, hw->pcm);
95 snd_emux_free(hw->emu);
96 snd_util_memhdr_free(hw->memhdr);
97 hw->emu = NULL;
98 hw->memhdr = NULL;
99 return 0;
100}
101
102/*
103 * INIT part
104 */
105
106static struct snd_seq_driver emu8000_driver = {
107 .driver = {
108 .name = KBUILD_MODNAME,
109 .probe = snd_emu8000_probe,
110 .remove = snd_emu8000_remove,
111 },
112 .id = SNDRV_SEQ_DEV_ID_EMU8000,
113 .argsize = sizeof(struct snd_emu8000 *),
114};
115
116module_snd_seq_driver(emu8000_driver);