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