diff options
Diffstat (limited to 'sound/isa/gus/gus_instr.c')
| -rw-r--r-- | sound/isa/gus/gus_instr.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/sound/isa/gus/gus_instr.c b/sound/isa/gus/gus_instr.c new file mode 100644 index 00000000..4dc9caf8 --- /dev/null +++ b/sound/isa/gus/gus_instr.c @@ -0,0 +1,172 @@ +/* + * Routines for Gravis UltraSound soundcards - Synthesizer + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/time.h> +#include <sound/core.h> +#include <sound/gus.h> + +/* + * + */ + +int snd_gus_iwffff_put_sample(void *private_data, struct iwffff_wave *wave, + char __user *data, long len, int atomic) +{ + struct snd_gus_card *gus = private_data; + struct snd_gf1_mem_block *block; + int err; + + if (wave->format & IWFFFF_WAVE_ROM) + return 0; /* it's probably ok - verify the address? */ + if (wave->format & IWFFFF_WAVE_STEREO) + return -EINVAL; /* not supported */ + block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, + SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF, + NULL, wave->size, + wave->format & IWFFFF_WAVE_16BIT, 1, + wave->share_id); + if (block == NULL) + return -ENOMEM; + err = snd_gus_dram_write(gus, data, + block->ptr, wave->size); + if (err < 0) { + snd_gf1_mem_lock(&gus->gf1.mem_alloc, 0); + snd_gf1_mem_xfree(&gus->gf1.mem_alloc, block); + snd_gf1_mem_lock(&gus->gf1.mem_alloc, 1); + return err; + } + wave->address.memory = block->ptr; + return 0; +} + +int snd_gus_iwffff_get_sample(void *private_data, struct iwffff_wave *wave, + char __user *data, long len, int atomic) +{ + struct snd_gus_card *gus = private_data; + + return snd_gus_dram_read(gus, data, wave->address.memory, wave->size, + wave->format & IWFFFF_WAVE_ROM ? 1 : 0); +} + +int snd_gus_iwffff_remove_sample(void *private_data, struct iwffff_wave *wave, + int atomic) +{ + struct snd_gus_card *gus = private_data; + + if (wave->format & IWFFFF_WAVE_ROM) + return 0; /* it's probably ok - verify the address? */ + return snd_gf1_mem_free(&gus->gf1.mem_alloc, wave->address.memory); +} + +/* + * + */ + +int snd_gus_gf1_put_sample(void *private_data, struct gf1_wave *wave, + char __user *data, long len, int atomic) +{ + struct snd_gus_card *gus = private_data; + struct snd_gf1_mem_block *block; + int err; + + if (wave->format & GF1_WAVE_STEREO) + return -EINVAL; /* not supported */ + block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, + SNDRV_GF1_MEM_OWNER_WAVE_GF1, + NULL, wave->size, + wave->format & GF1_WAVE_16BIT, 1, + wave->share_id); + if (block == NULL) + return -ENOMEM; + err = snd_gus_dram_write(gus, data, + block->ptr, wave->size); + if (err < 0) { + snd_gf1_mem_lock(&gus->gf1.mem_alloc, 0); + snd_gf1_mem_xfree(&gus->gf1.mem_alloc, block); + snd_gf1_mem_lock(&gus->gf1.mem_alloc, 1); + return err; + } + wave->address.memory = block->ptr; + return 0; +} + +int snd_gus_gf1_get_sample(void *private_data, struct gf1_wave *wave, + char __user *data, long len, int atomic) +{ + struct snd_gus_card *gus = private_data; + + return snd_gus_dram_read(gus, data, wave->address.memory, wave->size, 0); +} + +int snd_gus_gf1_remove_sample(void *private_data, struct gf1_wave *wave, + int atomic) +{ + struct snd_gus_card *gus = private_data; + + return snd_gf1_mem_free(&gus->gf1.mem_alloc, wave->address.memory); +} + +/* + * + */ + +int snd_gus_simple_put_sample(void *private_data, struct simple_instrument *instr, + char __user *data, long len, int atomic) +{ + struct snd_gus_card *gus = private_data; + struct snd_gf1_mem_block *block; + int err; + + if (instr->format & SIMPLE_WAVE_STEREO) + return -EINVAL; /* not supported */ + block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, + SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE, + NULL, instr->size, + instr->format & SIMPLE_WAVE_16BIT, 1, + instr->share_id); + if (block == NULL) + return -ENOMEM; + err = snd_gus_dram_write(gus, data, block->ptr, instr->size); + if (err < 0) { + snd_gf1_mem_lock(&gus->gf1.mem_alloc, 0); + snd_gf1_mem_xfree(&gus->gf1.mem_alloc, block); + snd_gf1_mem_lock(&gus->gf1.mem_alloc, 1); + return err; + } + instr->address.memory = block->ptr; + return 0; +} + +int snd_gus_simple_get_sample(void *private_data, struct simple_instrument *instr, + char __user *data, long len, int atomic) +{ + struct snd_gus_card *gus = private_data; + + return snd_gus_dram_read(gus, data, instr->address.memory, instr->size, 0); +} + +int snd_gus_simple_remove_sample(void *private_data, struct simple_instrument *instr, + int atomic) +{ + struct snd_gus_card *gus = private_data; + + return snd_gf1_mem_free(&gus->gf1.mem_alloc, instr->address.memory); +} |