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Commit 54879323 authored by Jie Yang's avatar Jie Yang Committed by Mark Brown
Browse files

ASoC: Intel: Use a table for ADSP SRAM shift 



Use a table for ADSP IRAM/DRAM bit shift.

Signed-off-by: default avatarJie Yang <yang.jie@intel.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 15446c0b

sound/soc/intel/sst-haswell-dsp.c

+29 −10
Original line number Original line Diff line number Diff line
@@ -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);