Changeset a35b458 in mainline for uspace/drv/audio/sb16/dsp.c
- Timestamp:
- 2018-03-02T20:10:49Z (7 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- f1380b7
- Parents:
- 3061bc1
- git-author:
- Jiří Zárevúcky <zarevucky.jiri@…> (2018-02-28 17:38:31)
- git-committer:
- Jiří Zárevúcky <zarevucky.jiri@…> (2018-03-02 20:10:49)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/drv/audio/sb16/dsp.c
r3061bc1 ra35b458 171 171 { 172 172 assert(dsp); 173 173 174 174 if ((size > MAX_BUFFER_SIZE) || (size == 0) || ((size % 2) == 1)) 175 175 size = MAX_BUFFER_SIZE; 176 176 177 177 uintptr_t pa = 0; 178 178 void *buffer = AS_AREA_ANY; 179 179 180 180 errno_t ret = dmamem_map_anonymous(size, DMAMEM_16MiB | 0x0000ffff, 181 181 AS_AREA_WRITE | AS_AREA_READ, 0, &pa, &buffer); … … 184 184 return ENOMEM; 185 185 } 186 186 187 187 ddf_log_verbose("Setup DMA buffer at %p (%zu) %zu.", buffer, pa, size); 188 188 assert(pa < (1 << 24)); 189 189 190 190 /* Setup 16 bit channel */ 191 191 ret = setup_dma(dsp, pa, size); … … 198 198 dmamem_unmap_anonymous(buffer); 199 199 } 200 200 201 201 return ret; 202 202 }
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