From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jie Yang Subject: [PATCH v2 2/4] ASoC: Intel: Use a table for ADSP SRAM shift Date: Mon, 14 Jul 2014 17:11:10 +0800 Message-ID: <1405329072-28679-3-git-send-email-yang.jie@intel.com> References: <1405329072-28679-1-git-send-email-yang.jie@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id 846C32618F2 for ; Mon, 14 Jul 2014 11:12:18 +0200 (CEST) In-Reply-To: <1405329072-28679-1-git-send-email-yang.jie@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org Cc: mengdong.lin@intel.com, broonie@kernel.org, liam.r.girdwood@intel.com List-Id: alsa-devel@alsa-project.org Use a table for ADSP IRAM/DRAM bit shift. Signed-off-by: Jie Yang --- sound/soc/intel/sst-haswell-dsp.c | 39 +++++++++++++++++++++++++++++---------- 1 file changed, 29 insertions(+), 10 deletions(-) diff --git a/sound/soc/intel/sst-haswell-dsp.c b/sound/soc/intel/sst-haswell-dsp.c index 4720382..40bb020 100644 --- a/sound/soc/intel/sst-haswell-dsp.c +++ b/sound/soc/intel/sst-haswell-dsp.c @@ -337,21 +337,40 @@ static int hsw_acpi_resource_map(struct sst_dsp *sst, struct sst_pdata *pdata) 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) { - u32 bit = 0, shift = 0; + u32 bit = 0, shift = 0, index; + struct sst_dsp *sst = block->dsp; - switch (block->type) { - case SST_MEM_DRAM: - shift = 16; - break; - case SST_MEM_IRAM: - shift = 6; - break; - default: - return 0; + 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) { + case SST_MEM_DRAM: + shift = sram_shift[index].dram_shift; + break; + case SST_MEM_IRAM: + shift = sram_shift[index].iram_shift; + break; + default: + shift = 0; + } + } else + shift = 0; + bit = 1 << (block->index + shift); return bit; -- 1.8.3.2