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1da177e4 | 1 | /* |
c1017a4c | 2 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
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> | |
da155d5b | 25 | #include <linux/module.h> |
1da177e4 LT |
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 | */ | |
05662205 | 37 | static int snd_emu8000_probe(struct device *_dev) |
1da177e4 | 38 | { |
05662205 | 39 | struct snd_seq_device *dev = to_seq_dev(_dev); |
029d64b0 TI |
40 | struct snd_emu8000 *hw; |
41 | struct snd_emux *emu; | |
1da177e4 | 42 | |
029d64b0 | 43 | hw = *(struct snd_emu8000**)SNDRV_SEQ_DEVICE_ARGPTR(dev); |
1da177e4 LT |
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) { | |
99b359ba | 61 | snd_printk(KERN_ERR "memhdr is already initialized!?\n"); |
1da177e4 LT |
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 | */ | |
05662205 | 97 | static int snd_emu8000_remove(struct device *_dev) |
1da177e4 | 98 | { |
05662205 | 99 | struct snd_seq_device *dev = to_seq_dev(_dev); |
029d64b0 | 100 | struct snd_emu8000 *hw; |
1da177e4 LT |
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); | |
b76c0e95 | 108 | snd_emux_free(hw->emu); |
966b7bc9 | 109 | snd_util_memhdr_free(hw->memhdr); |
1da177e4 LT |
110 | hw->emu = NULL; |
111 | hw->memhdr = NULL; | |
112 | return 0; | |
113 | } | |
114 | ||
115 | /* | |
116 | * INIT part | |
117 | */ | |
118 | ||
05662205 TI |
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); |