diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2023-03-14 04:54:07 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-03-15 16:54:03 +0300 |
| commit | c5753714fa323240872a9c21381acbb88fa3325e (patch) | |
| tree | f900fc8306ff461e3954284517fdb7ad0edfb785 /drivers/soundwire | |
| parent | 9402e25df18f806127437b9b2b3f54eee5e85182 (diff) | |
| download | linux-c5753714fa323240872a9c21381acbb88fa3325e.tar.xz | |
soundwire: cadence: split access to IP_MCP_CONFIG fields
The latest Cadence IP splits the MCP_CONFIG fields in two registers:
MCP_CONFIG and IP_MCP_CONFIG. Rename the relevant fields and change
the access methods used for those fields.
For existing solutions, this is an iso-functionality change.
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/20230314015410.487311-14-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/cadence_master.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 4461a7fa4124..f7499e126404 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -27,15 +27,17 @@ module_param_named(cnds_mcp_int_mask, interrupt_mask, int, 0444); MODULE_PARM_DESC(cdns_mcp_int_mask, "Cadence MCP IntMask"); #define CDNS_MCP_CONFIG 0x0 - -#define CDNS_MCP_CONFIG_MCMD_RETRY GENMASK(27, 24) -#define CDNS_MCP_CONFIG_MPREQ_DELAY GENMASK(20, 16) -#define CDNS_MCP_CONFIG_MMASTER BIT(7) #define CDNS_MCP_CONFIG_BUS_REL BIT(6) -#define CDNS_MCP_CONFIG_SNIFFER BIT(5) -#define CDNS_MCP_CONFIG_CMD BIT(3) -#define CDNS_MCP_CONFIG_OP GENMASK(2, 0) -#define CDNS_MCP_CONFIG_OP_NORMAL 0 + +#define CDNS_IP_MCP_CONFIG 0x0 /* IP offset added at run-time */ + +#define CDNS_IP_MCP_CONFIG_MCMD_RETRY GENMASK(27, 24) +#define CDNS_IP_MCP_CONFIG_MPREQ_DELAY GENMASK(20, 16) +#define CDNS_IP_MCP_CONFIG_MMASTER BIT(7) +#define CDNS_IP_MCP_CONFIG_SNIFFER BIT(5) +#define CDNS_IP_MCP_CONFIG_CMD BIT(3) +#define CDNS_IP_MCP_CONFIG_OP GENMASK(2, 0) +#define CDNS_IP_MCP_CONFIG_OP_NORMAL 0 #define CDNS_MCP_CONTROL 0x4 @@ -1348,28 +1350,33 @@ int sdw_cdns_init(struct sdw_cdns *cdns) /* Configure mcp config */ val = cdns_readl(cdns, CDNS_MCP_CONFIG); + /* Disable auto bus release */ + val &= ~CDNS_MCP_CONFIG_BUS_REL; + + cdns_writel(cdns, CDNS_MCP_CONFIG, val); + + /* Configure IP mcp config */ + val = cdns_ip_readl(cdns, CDNS_IP_MCP_CONFIG); + /* enable bus operations with clock and data */ - val &= ~CDNS_MCP_CONFIG_OP; - val |= CDNS_MCP_CONFIG_OP_NORMAL; + val &= ~CDNS_IP_MCP_CONFIG_OP; + val |= CDNS_IP_MCP_CONFIG_OP_NORMAL; /* Set cmd mode for Tx and Rx cmds */ - val &= ~CDNS_MCP_CONFIG_CMD; + val &= ~CDNS_IP_MCP_CONFIG_CMD; /* Disable sniffer mode */ - val &= ~CDNS_MCP_CONFIG_SNIFFER; - - /* Disable auto bus release */ - val &= ~CDNS_MCP_CONFIG_BUS_REL; + val &= ~CDNS_IP_MCP_CONFIG_SNIFFER; if (cdns->bus.multi_link) /* Set Multi-master mode to take gsync into account */ - val |= CDNS_MCP_CONFIG_MMASTER; + val |= CDNS_IP_MCP_CONFIG_MMASTER; /* leave frame delay to hardware default of 0x1F */ /* leave command retry to hardware default of 0 */ - cdns_writel(cdns, CDNS_MCP_CONFIG, val); + cdns_ip_writel(cdns, CDNS_IP_MCP_CONFIG, val); /* changes will be committed later */ return 0; @@ -1683,9 +1690,9 @@ int sdw_cdns_clock_restart(struct sdw_cdns *cdns, bool bus_reset) if (!bus_reset) { /* enable bus operations with clock and data */ - cdns_updatel(cdns, CDNS_MCP_CONFIG, - CDNS_MCP_CONFIG_OP, - CDNS_MCP_CONFIG_OP_NORMAL); + cdns_ip_updatel(cdns, CDNS_IP_MCP_CONFIG, + CDNS_IP_MCP_CONFIG_OP, + CDNS_IP_MCP_CONFIG_OP_NORMAL); ret = cdns_config_update(cdns); if (ret < 0) { |