git.oblomov.eu Git - linux-2.6/blob - sound/isa/gus/gus_instr.c

   1 /*
   2  *  Routines for Gravis UltraSound soundcards - Synthesizer
   3  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   4  *
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  *
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <linux/time.h>
  24 #include <sound/core.h>
  25 #include <sound/gus.h>
  26
  27 /*
  28  *
  29  */
  30
  31 int snd_gus_iwffff_put_sample(void *private_data, struct iwffff_wave *wave,
  32                               char __user *data, long len, int atomic)
  33 {
  34         struct snd_gus_card *gus = private_data;
  35         struct snd_gf1_mem_block *block;
  36         int err;
  37
  38         if (wave->format & IWFFFF_WAVE_ROM)
  39                 return 0;       /* it's probably ok - verify the address? */
  40         if (wave->format & IWFFFF_WAVE_STEREO)
  41                 return -EINVAL; /* not supported */
  42         block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc,
  43                                   SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF,
  44                                   NULL, wave->size,
  45                                   wave->format & IWFFFF_WAVE_16BIT, 1,
  46                                   wave->share_id);
  47         if (block == NULL)
  48                 return -ENOMEM;
  49         err = snd_gus_dram_write(gus, data,
  50                                  block->ptr, wave->size);
  51         if (err < 0) {
  52                 snd_gf1_mem_lock(&gus->gf1.mem_alloc, 0);
  53                 snd_gf1_mem_xfree(&gus->gf1.mem_alloc, block);
  54                 snd_gf1_mem_lock(&gus->gf1.mem_alloc, 1);
  55                 return err;
  56         }
  57         wave->address.memory = block->ptr;
  58         return 0;
  59 }
  60
  61 int snd_gus_iwffff_get_sample(void *private_data, struct iwffff_wave *wave,
  62                               char __user *data, long len, int atomic)
  63 {
  64         struct snd_gus_card *gus = private_data;
  65
  66         return snd_gus_dram_read(gus, data, wave->address.memory, wave->size,
  67                                  wave->format & IWFFFF_WAVE_ROM ? 1 : 0);
  68 }
  69
  70 int snd_gus_iwffff_remove_sample(void *private_data, struct iwffff_wave *wave,
  71                                  int atomic)
  72 {
  73         struct snd_gus_card *gus = private_data;
  74
  75         if (wave->format & IWFFFF_WAVE_ROM)
  76                 return 0;       /* it's probably ok - verify the address? */
  77         return snd_gf1_mem_free(&gus->gf1.mem_alloc, wave->address.memory);
  78 }
  79
  80 /*
  81  *
  82  */
  83
  84 int snd_gus_gf1_put_sample(void *private_data, struct gf1_wave *wave,
  85                            char __user *data, long len, int atomic)
  86 {
  87         struct snd_gus_card *gus = private_data;
  88         struct snd_gf1_mem_block *block;
  89         int err;
  90
  91         if (wave->format & GF1_WAVE_STEREO)
  92                 return -EINVAL; /* not supported */
  93         block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc,
  94                                   SNDRV_GF1_MEM_OWNER_WAVE_GF1,
  95                                   NULL, wave->size,
  96                                   wave->format & GF1_WAVE_16BIT, 1,
  97                                   wave->share_id);
  98         if (block == NULL)
  99                 return -ENOMEM;
 100         err = snd_gus_dram_write(gus, data,
 101                                  block->ptr, wave->size);
 102         if (err < 0) {
 103                 snd_gf1_mem_lock(&gus->gf1.mem_alloc, 0);
 104                 snd_gf1_mem_xfree(&gus->gf1.mem_alloc, block);
 105                 snd_gf1_mem_lock(&gus->gf1.mem_alloc, 1);
 106                 return err;
 107         }
 108         wave->address.memory = block->ptr;
 109         return 0;
 110 }
 111
 112 int snd_gus_gf1_get_sample(void *private_data, struct gf1_wave *wave,
 113                            char __user *data, long len, int atomic)
 114 {
 115         struct snd_gus_card *gus = private_data;
 116
 117         return snd_gus_dram_read(gus, data, wave->address.memory, wave->size, 0);
 118 }
 119
 120 int snd_gus_gf1_remove_sample(void *private_data, struct gf1_wave *wave,
 121                               int atomic)
 122 {
 123         struct snd_gus_card *gus = private_data;
 124
 125         return snd_gf1_mem_free(&gus->gf1.mem_alloc, wave->address.memory);
 126 }
 127
 128 /*
 129  *
 130  */
 131
 132 int snd_gus_simple_put_sample(void *private_data, struct simple_instrument *instr,
 133                               char __user *data, long len, int atomic)
 134 {
 135         struct snd_gus_card *gus = private_data;
 136         struct snd_gf1_mem_block *block;
 137         int err;
 138
 139         if (instr->format & SIMPLE_WAVE_STEREO)
 140                 return -EINVAL; /* not supported */
 141         block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc,
 142                                   SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE,
 143                                   NULL, instr->size,
 144                                   instr->format & SIMPLE_WAVE_16BIT, 1,
 145                                   instr->share_id);
 146         if (block == NULL)
 147                 return -ENOMEM;
 148         err = snd_gus_dram_write(gus, data, block->ptr, instr->size);
 149         if (err < 0) {
 150                 snd_gf1_mem_lock(&gus->gf1.mem_alloc, 0);
 151                 snd_gf1_mem_xfree(&gus->gf1.mem_alloc, block);
 152                 snd_gf1_mem_lock(&gus->gf1.mem_alloc, 1);
 153                 return err;
 154         }
 155         instr->address.memory = block->ptr;
 156         return 0;
 157 }
 158
 159 int snd_gus_simple_get_sample(void *private_data, struct simple_instrument *instr,
 160                               char __user *data, long len, int atomic)
 161 {
 162         struct snd_gus_card *gus = private_data;
 163
 164         return snd_gus_dram_read(gus, data, instr->address.memory, instr->size, 0);
 165 }
 166
 167 int snd_gus_simple_remove_sample(void *private_data, struct simple_instrument *instr,
 168                                  int atomic)
 169 {
 170         struct snd_gus_card *gus = private_data;
 171
 172         return snd_gf1_mem_free(&gus->gf1.mem_alloc, instr->address.memory);
 173 }