[alsa-devel] [PATCH 05/19] ASoC: SOF: Intel: hda: add the SSP Host Device memory space

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Wed May 1 01:09:20 CEST 2019


From: Zhu Yingjiang <yingjiang.zhu at linux.intel.com>

The DSP SSP device memory can be conditionally accessed by
the host(depending on access policy).

Add the SSP base memory offset of APL and CNL.

Signed-off-by: Zhu Yingjiang <yingjiang.zhu at linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 sound/soc/sof/intel/hda.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 4efcf85af6b5..c4550f2e493d 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -338,6 +338,13 @@
 #define HDA_ADSP_FW_STATUS_SKL		HDA_ADSP_SRAM0_BASE_SKL
 #define HDA_ADSP_ERROR_CODE_SKL		(HDA_ADSP_FW_STATUS_SKL + 0x4)
 
+/* Host Device Memory Space */
+#define APL_SSP_BASE_OFFSET	0x2000
+#define CNL_SSP_BASE_OFFSET	0x10000
+
+/* Host Device Memory Size of a Single SSP */
+#define SSP_DEV_MEM_SIZE	0x1000
+
 #define HDA_IDISP_CODEC(x) ((x) & BIT(2))
 
 struct sof_intel_dsp_bdl {
-- 
2.17.1



More information about the Alsa-devel mailing list