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