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Diffstat (limited to 'include/linux/soundwire')
-rw-r--r--include/linux/soundwire/sdw.h9
-rw-r--r--include/linux/soundwire/sdw_intel.h63
2 files changed, 47 insertions, 25 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 39058c841469..9e4537f409c2 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -839,6 +839,8 @@ struct sdw_defer {
* @set_bus_conf: Set the bus configuration
* @pre_bank_switch: Callback for pre bank switch
* @post_bank_switch: Callback for post bank switch
+ * @read_ping_status: Read status from PING frames, reported with two bits per Device.
+ * Bits 31:24 are reserved.
*/
struct sdw_master_ops {
int (*read_prop)(struct sdw_bus *bus);
@@ -855,6 +857,7 @@ struct sdw_master_ops {
struct sdw_bus_params *params);
int (*pre_bank_switch)(struct sdw_bus *bus);
int (*post_bank_switch)(struct sdw_bus *bus);
+ u32 (*read_ping_status)(struct sdw_bus *bus);
};
@@ -889,6 +892,9 @@ struct sdw_master_ops {
* meaningful if multi_link is set. If set to 1, hardware-based
* synchronization will be used even if a stream only uses a single
* SoundWire segment.
+ * @dev_num_ida_min: if set, defines the minimum values for the IDA
+ * used to allocate system-unique device numbers. This value needs to be
+ * identical across all SoundWire bus in the system.
*/
struct sdw_bus {
struct device *dev;
@@ -913,12 +919,15 @@ struct sdw_bus {
u32 bank_switch_timeout;
bool multi_link;
int hw_sync_min_links;
+ int dev_num_ida_min;
};
int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent,
struct fwnode_handle *fwnode);
void sdw_bus_master_delete(struct sdw_bus *bus);
+void sdw_show_ping_status(struct sdw_bus *bus, bool sync_delay);
+
/**
* sdw_port_config: Master or Slave Port configuration
*
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index ec16ae49e6a4..2e9fd91572d4 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -15,32 +15,21 @@
#define SDW_LINK_SIZE 0x10000
/* Intel SHIM Registers Definition */
+/* LCAP */
#define SDW_SHIM_LCAP 0x0
-#define SDW_SHIM_LCTL 0x4
-#define SDW_SHIM_IPPTR 0x8
-#define SDW_SHIM_SYNC 0xC
-
-#define SDW_SHIM_CTLSCAP(x) (0x010 + 0x60 * (x))
-#define SDW_SHIM_CTLS0CM(x) (0x012 + 0x60 * (x))
-#define SDW_SHIM_CTLS1CM(x) (0x014 + 0x60 * (x))
-#define SDW_SHIM_CTLS2CM(x) (0x016 + 0x60 * (x))
-#define SDW_SHIM_CTLS3CM(x) (0x018 + 0x60 * (x))
-#define SDW_SHIM_PCMSCAP(x) (0x020 + 0x60 * (x))
+#define SDW_SHIM_LCAP_LCOUNT_MASK GENMASK(2, 0)
-#define SDW_SHIM_PCMSYCHM(x, y) (0x022 + (0x60 * (x)) + (0x2 * (y)))
-#define SDW_SHIM_PCMSYCHC(x, y) (0x042 + (0x60 * (x)) + (0x2 * (y)))
-#define SDW_SHIM_PDMSCAP(x) (0x062 + 0x60 * (x))
-#define SDW_SHIM_IOCTL(x) (0x06C + 0x60 * (x))
-#define SDW_SHIM_CTMCTL(x) (0x06E + 0x60 * (x))
-
-#define SDW_SHIM_WAKEEN 0x190
-#define SDW_SHIM_WAKESTS 0x192
+/* LCTL */
+#define SDW_SHIM_LCTL 0x4
#define SDW_SHIM_LCTL_SPA BIT(0)
#define SDW_SHIM_LCTL_SPA_MASK GENMASK(3, 0)
#define SDW_SHIM_LCTL_CPA BIT(8)
#define SDW_SHIM_LCTL_CPA_MASK GENMASK(11, 8)
+/* SYNC */
+#define SDW_SHIM_SYNC 0xC
+
#define SDW_SHIM_SYNC_SYNCPRD_VAL_24 (24000 / SDW_CADENCE_GSYNC_KHZ - 1)
#define SDW_SHIM_SYNC_SYNCPRD_VAL_38_4 (38400 / SDW_CADENCE_GSYNC_KHZ - 1)
#define SDW_SHIM_SYNC_SYNCPRD GENMASK(14, 0)
@@ -49,19 +38,33 @@
#define SDW_SHIM_SYNC_CMDSYNC BIT(16)
#define SDW_SHIM_SYNC_SYNCGO BIT(24)
+/* Control stream capabililities and channel mask */
+#define SDW_SHIM_CTLSCAP(x) (0x010 + 0x60 * (x))
+#define SDW_SHIM_CTLS0CM(x) (0x012 + 0x60 * (x))
+#define SDW_SHIM_CTLS1CM(x) (0x014 + 0x60 * (x))
+#define SDW_SHIM_CTLS2CM(x) (0x016 + 0x60 * (x))
+#define SDW_SHIM_CTLS3CM(x) (0x018 + 0x60 * (x))
+
+/* PCM Stream capabilities */
+#define SDW_SHIM_PCMSCAP(x) (0x020 + 0x60 * (x))
+
#define SDW_SHIM_PCMSCAP_ISS GENMASK(3, 0)
#define SDW_SHIM_PCMSCAP_OSS GENMASK(7, 4)
#define SDW_SHIM_PCMSCAP_BSS GENMASK(12, 8)
+/* PCM Stream Channel Map */
+#define SDW_SHIM_PCMSYCHM(x, y) (0x022 + (0x60 * (x)) + (0x2 * (y)))
+
+/* PCM Stream Channel Count */
+#define SDW_SHIM_PCMSYCHC(x, y) (0x042 + (0x60 * (x)) + (0x2 * (y)))
+
#define SDW_SHIM_PCMSYCM_LCHN GENMASK(3, 0)
#define SDW_SHIM_PCMSYCM_HCHN GENMASK(7, 4)
#define SDW_SHIM_PCMSYCM_STREAM GENMASK(13, 8)
#define SDW_SHIM_PCMSYCM_DIR BIT(15)
-#define SDW_SHIM_PDMSCAP_ISS GENMASK(3, 0)
-#define SDW_SHIM_PDMSCAP_OSS GENMASK(7, 4)
-#define SDW_SHIM_PDMSCAP_BSS GENMASK(12, 8)
-#define SDW_SHIM_PDMSCAP_CPSS GENMASK(15, 13)
+/* IO control */
+#define SDW_SHIM_IOCTL(x) (0x06C + 0x60 * (x))
#define SDW_SHIM_IOCTL_MIF BIT(0)
#define SDW_SHIM_IOCTL_CO BIT(1)
@@ -73,13 +76,23 @@
#define SDW_SHIM_IOCTL_CIBD BIT(8)
#define SDW_SHIM_IOCTL_DIBD BIT(9)
-#define SDW_SHIM_CTMCTL_DACTQE BIT(0)
-#define SDW_SHIM_CTMCTL_DODS BIT(1)
-#define SDW_SHIM_CTMCTL_DOAIS GENMASK(4, 3)
+/* Wake Enable*/
+#define SDW_SHIM_WAKEEN 0x190
#define SDW_SHIM_WAKEEN_ENABLE BIT(0)
+
+/* Wake Status */
+#define SDW_SHIM_WAKESTS 0x192
+
#define SDW_SHIM_WAKESTS_STATUS BIT(0)
+/* AC Timing control */
+#define SDW_SHIM_CTMCTL(x) (0x06E + 0x60 * (x))
+
+#define SDW_SHIM_CTMCTL_DACTQE BIT(0)
+#define SDW_SHIM_CTMCTL_DODS BIT(1)
+#define SDW_SHIM_CTMCTL_DOAIS GENMASK(4, 3)
+
/* Intel ALH Register definitions */
#define SDW_ALH_STRMZCFG(x) (0x000 + (0x4 * (x)))
#define SDW_ALH_NUM_STREAMS 64