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ASoC: Intel: Use a table for ADSP SRAM shift

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Use a table for ADSP IRAM/DRAM bit shift.

Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Jie Yang 2014-07-14 17:11:10 +08:00 • committed by Mark Brown
parent 15446c0b8d
commit 548793232f
1 changed files with 29 additions and 10 deletions
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27
sound/soc/intel/sst-haswell-dsp.c
View file

@ -337,20 +337,39 @@ static int hsw_acpi_resource_map(struct sst_dsp *sst, struct sst_pdata *pdata)
return 0; return 0;
} }
struct sst_sram_shift {
u32 dev_id; /* SST Device IDs */
u32 iram_shift;
u32 dram_shift;
};
static const struct sst_sram_shift sram_shift[] = {
{SST_DEV_ID_LYNX_POINT, 6, 16}, /* lp */
{SST_DEV_ID_WILDCAT_POINT, 2, 12}, /* wpt */
};
static u32 hsw_block_get_bit(struct sst_mem_block *block) static u32 hsw_block_get_bit(struct sst_mem_block *block)
{ {
u32 bit = 0, shift = 0; u32 bit = 0, shift = 0, index;
struct sst_dsp *sst = block->dsp;
for (index = 0; index < ARRAY_SIZE(sram_shift); index++) {
if (sram_shift[index].dev_id == sst->id)
break;
}
if (index < ARRAY_SIZE(sram_shift)) {
switch (block->type) { switch (block->type) {
case SST_MEM_DRAM: case SST_MEM_DRAM:
shift = 16; shift = sram_shift[index].dram_shift;
break; break;
case SST_MEM_IRAM: case SST_MEM_IRAM:
shift = 6; shift = sram_shift[index].iram_shift;
break; break;
default: default:
return 0; shift = 0;
} }
} else
shift = 0;
bit = 1 << (block->index + shift); bit = 1 << (block->index + shift);