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soundwire: intel: cleanup definition of LCOUNT

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Add definition in header file rather than hidden in code.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220823053846.2684635-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-08-23 13:38:36 +08:00 committed by Vinod Koul
parent 1f2dcf3a15
commit 7f8170686d
3 changed files with 5 additions and 2 deletions
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2
drivers/soundwire/intel.c
View File

@ -138,7 +138,7 @@ static int intel_reg_show(struct seq_file *s_file, void *data)
if (!buf)
return -ENOMEM;
links = intel_readl(s, SDW_SHIM_LCAP) & GENMASK(2, 0);
links = intel_readl(s, SDW_SHIM_LCAP) & SDW_SHIM_LCAP_LCOUNT_MASK;
ret = scnprintf(buf, RD_BUF, "Register Value\n");
ret += scnprintf(buf + ret, RD_BUF - ret, "\nShim\n");

2
drivers/soundwire/intel_init.c
View File

@ -306,7 +306,7 @@ sdw_intel_startup_controller(struct sdw_intel_ctx *ctx)
/* Check SNDWLCAP.LCOUNT */
caps = ioread32(ctx->mmio_base + ctx->shim_base + SDW_SHIM_LCAP);
caps &= GENMASK(2, 0);
caps &= SDW_SHIM_LCAP_LCOUNT_MASK;
/* Check HW supported vs property value */
if (caps < ctx->count) {

3
include/linux/soundwire/sdw_intel.h
View File

@ -15,7 +15,10 @@
#define SDW_LINK_SIZE 0x10000
/* Intel SHIM Registers Definition */
/* LCAP */
#define SDW_SHIM_LCAP 0x0
#define SDW_SHIM_LCAP_LCOUNT_MASK GENMASK(2, 0)
#define SDW_SHIM_LCTL 0x4
#define SDW_SHIM_IPPTR 0x8
#define SDW_SHIM_SYNC 0xC