From 133547a1ef16cbdadb5c0023e5917924ae326dcc Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Thu, 14 Jul 2022 09:10:41 +0800 Subject: soundwire: intel/cadence: expose PING status in manager ops Simple indirection to existing register. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Signed-off-by: Bard Liao Acked-By: Vinod Koul Link: https://lore.kernel.org/r/20220714011043.46059-3-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown --- drivers/soundwire/cadence_master.c | 8 ++++++++ drivers/soundwire/cadence_master.h | 2 ++ drivers/soundwire/intel.c | 1 + 3 files changed, 11 insertions(+) (limited to 'drivers/soundwire') diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 4fbb19557f5e..615b0b63a3e1 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -756,6 +756,14 @@ cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num) } EXPORT_SYMBOL(cdns_reset_page_addr); +u32 cdns_read_ping_status(struct sdw_bus *bus) +{ + struct sdw_cdns *cdns = bus_to_cdns(bus); + + return cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); +} +EXPORT_SYMBOL(cdns_read_ping_status); + /* * IRQ handling */ diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h index 595d72c15d97..ca9e805bab88 100644 --- a/drivers/soundwire/cadence_master.h +++ b/drivers/soundwire/cadence_master.h @@ -177,6 +177,8 @@ enum sdw_command_response cdns_xfer_msg_defer(struct sdw_bus *bus, struct sdw_msg *msg, struct sdw_defer *defer); +u32 cdns_read_ping_status(struct sdw_bus *bus); + int cdns_bus_conf(struct sdw_bus *bus, struct sdw_bus_params *params); int cdns_set_sdw_stream(struct snd_soc_dai *dai, diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 89d1d0d021fc..a5965e8827b9 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1262,6 +1262,7 @@ static struct sdw_master_ops sdw_intel_ops = { .set_bus_conf = cdns_bus_conf, .pre_bank_switch = intel_pre_bank_switch, .post_bank_switch = intel_post_bank_switch, + .read_ping_status = cdns_read_ping_status, }; static int intel_init(struct sdw_intel *sdw) -- cgit v1.2.3