2 * Interface for hwdep device
4 * Copyright (C) 2004 Takashi Iwai <tiwai@suse.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <sound/core.h>
23 #include <sound/hwdep.h>
24 #include <asm/uaccess.h>
25 #include "emux_voice.h"
28 #define TMP_CLIENT_ID 0x1001
34 snd_emux_hwdep_load_patch(struct snd_emux *emu, void __user *arg)
37 struct soundfont_patch_info patch;
39 if (copy_from_user(&patch, arg, sizeof(patch)))
42 if (patch.type >= SNDRV_SFNT_LOAD_INFO &&
43 patch.type <= SNDRV_SFNT_PROBE_DATA) {
44 err = snd_soundfont_load(emu->sflist, arg, patch.len + sizeof(patch), TMP_CLIENT_ID);
49 return emu->ops.load_fx(emu, patch.type, patch.optarg, arg, patch.len + sizeof(patch));
60 snd_emux_hwdep_misc_mode(struct snd_emux *emu, void __user *arg)
62 struct snd_emux_misc_mode info;
65 if (copy_from_user(&info, arg, sizeof(info)))
67 if (info.mode < 0 || info.mode >= EMUX_MD_END)
71 for (i = 0; i < emu->num_ports; i++)
72 emu->portptrs[i]->ctrls[info.mode] = info.value;
74 if (info.port < emu->num_ports)
75 emu->portptrs[info.port]->ctrls[info.mode] = info.value;
85 snd_emux_hwdep_ioctl(struct snd_hwdep * hw, struct file *file,
86 unsigned int cmd, unsigned long arg)
88 struct snd_emux *emu = hw->private_data;
91 case SNDRV_EMUX_IOCTL_VERSION:
92 return put_user(SNDRV_EMUX_VERSION, (unsigned int __user *)arg);
93 case SNDRV_EMUX_IOCTL_LOAD_PATCH:
94 return snd_emux_hwdep_load_patch(emu, (void __user *)arg);
95 case SNDRV_EMUX_IOCTL_RESET_SAMPLES:
96 snd_soundfont_remove_samples(emu->sflist);
98 case SNDRV_EMUX_IOCTL_REMOVE_LAST_SAMPLES:
99 snd_soundfont_remove_unlocked(emu->sflist);
101 case SNDRV_EMUX_IOCTL_MEM_AVAIL:
103 int size = snd_util_mem_avail(emu->memhdr);
104 return put_user(size, (unsigned int __user *)arg);
107 case SNDRV_EMUX_IOCTL_MISC_MODE:
108 return snd_emux_hwdep_misc_mode(emu, (void __user *)arg);
116 * register hwdep device
120 snd_emux_init_hwdep(struct snd_emux *emu)
122 struct snd_hwdep *hw;
125 if ((err = snd_hwdep_new(emu->card, SNDRV_EMUX_HWDEP_NAME, emu->hwdep_idx, &hw)) < 0)
128 strcpy(hw->name, SNDRV_EMUX_HWDEP_NAME);
129 hw->iface = SNDRV_HWDEP_IFACE_EMUX_WAVETABLE;
130 hw->ops.ioctl = snd_emux_hwdep_ioctl;
132 hw->private_data = emu;
133 if ((err = snd_card_register(emu->card)) < 0)
144 snd_emux_delete_hwdep(struct snd_emux *emu)
147 snd_device_free(emu->card, emu->hwdep);