qcacmn: Add WMI interface support for Direct Buffer Rx module
Direct Buffer Receive provides the driver with a mechanism by which target
can transfer information directly into host memory via DMA.
Add support for the following service/events/commands -
1. WMI_SERVICE_SUPPORT_DMA
2. WMI_DMA_CAPABILITIES as part of WMI_SERVICE_READY_EXT_EVENTID
3. WMI_PDEV_DMA_RING_CFG_REQ_CMDID
4. WMI_PDEV_DMA_RING_BUF_RELEASE_EVENTID
5. WMI_DMA_BUF_RELEASE_ENTRY
Change-Id: I3949026b4542565c49bb538b9545ea607690c793
CRs-Fixed: 2158304
diff --git a/wmi_unified_param.h b/wmi_unified_param.h
index afef748..dbfd03d 100644
--- a/wmi_unified_param.h
+++ b/wmi_unified_param.h
@@ -5614,6 +5614,7 @@
wmi_mgmt_tx_bundle_completion_event_id,
wmi_radio_tx_power_level_stats_event_id,
wmi_report_stats_event_id,
+ wmi_dma_buf_release_event_id,
wmi_events_max,
} wmi_conv_event_id;
@@ -6025,6 +6026,7 @@
wmi_service_widebw_scan,
wmi_service_bcn_offload_start_stop_support,
wmi_service_offchan_data_tid_support,
+ wmi_service_support_dma,
wmi_services_max,
} wmi_conv_service_ids;
@@ -8168,4 +8170,101 @@
A_UINT32 flags;
};
+#define WMI_HOST_DBR_RING_ADDR_LO_S 0
+#define WMI_HOST_DBR_RING_ADDR_LO 0xffffffff
+
+#define WMI_HOST_DBR_RING_ADDR_LO_GET(dword) \
+ WMI_HOST_F_MS(dword, WMI_HOST_DBR_RING_ADDR_LO)
+#define WMI_HOST_DBR_RING_ADDR_LO_SET(dword, val) \
+ WMI_HOST_F_RMW(dword, val, WMI_HOST_DBR_RING_ADDR_LO)
+
+#define WMI_HOST_DBR_RING_ADDR_HI_S 0
+#define WMI_HOST_DBR_RING_ADDR_HI 0xf
+
+#define WMI_HOST_DBR_RING_ADDR_HI_GET(dword) \
+ WMI_HOST_F_MS(dword, WMI_HOST_DBR_RING_ADDR_HI)
+#define WMI_HOST_DBR_RING_ADDR_HI_SET(dword, val) \
+ WMI_HOST_F_RMW(dword, val, WMI_HOST_DBR_RING_ADDR_HI)
+
+#define WMI_HOST_DBR_DATA_ADDR_LO_S 0
+#define WMI_HOST_DBR_DATA_ADDR_LO 0xffffffff
+
+#define WMI_HOST_DBR_DATA_ADDR_LO_GET(dword) \
+ WMI_HOST_F_MS(dword, WMI_HOST_DBR_DATA_ADDR_LO)
+#define WMI_HOST_DBR_DATA_ADDR_LO_SET(dword, val) \
+ WMI_HOST_F_RMW(dword, val, WMI_HOST_DBR_DATA_ADDR_LO)
+
+#define WMI_HOST_DBR_DATA_ADDR_HI_S 0
+#define WMI_HOST_DBR_DATA_ADDR_HI 0xf
+
+#define WMI_HOST_DBR_DATA_ADDR_HI_GET(dword) \
+ WMI_HOST_F_MS(dword, WMI_HOST_DBR_DATA_ADDR_HI)
+#define WMI_HOST_DBR_DATA_ADDR_HI_SET(dword, val) \
+ WMI_HOST_F_RMW(dword, val, WMI_HOST_DBR_DATA_ADDR_HI)
+
+#define WMI_HOST_DBR_DATA_ADDR_HI_HOST_DATA_S 12
+#define WMI_HOST_DBR_DATA_ADDR_HI_HOST_DATA 0xfffff
+
+#define WMI_HOST_DBR_DATA_ADDR_HI_HOST_DATA_GET(dword) \
+ WMI_HOST_F_MS(dword, WMI_HOST_DBR_DATA_ADDR_HI_HOST_DATA)
+#define WMI_HOST_DBR_DATA_ADDR_HI_HOST_DATA_SET(dword, val) \
+ WMI_HOST_F_RMW(dword, val, WMI_HOST_DBR_DATA_ADDR_HI_HOST_DATA)
+
+/**
+ * struct direct_buf_rx_entry: direct buffer rx release entry structure
+ *
+ * @addr_lo: LSB 32-bits of the buffer
+ * @addr_hi: MSB 32-bits of the buffer
+ * @len: Length of the buffer
+ */
+struct direct_buf_rx_entry {
+ uint32_t paddr_lo;
+ uint32_t paddr_hi;
+ uint32_t len;
+};
+
+/**
+ * struct direct_buf_rx_rsp: direct buffer rx response structure
+ *
+ * @pdev_id: Index of the pdev for which response is received
+ * @mod_mod: Index of the module for which respone is received
+ * @num_buf_release_entry: Number of buffers released through event
+ * @dbr_entries: Pointer to direct buffer rx entry struct
+ */
+struct direct_buf_rx_rsp {
+ uint32_t pdev_id;
+ uint32_t mod_id;
+ uint32_t num_buf_release_entry;
+ struct direct_buf_rx_entry *dbr_entries;
+};
+
+/**
+ * struct direct_buf_rx_cfg_req: direct buffer rx config request structure
+ *
+ * @pdev_id: Index of the pdev for which response is received
+ * @mod_id: Index of the module for which respone is received
+ * @base_paddr_lo: Lower 32bits of ring base address
+ * @base_paddr_hi: Higher 32bits of ring base address
+ * @head_idx_paddr_lo: Lower 32bits of head idx register address
+ * @head_idx_paddr_hi: Higher 32bits of head idx register address
+ * @tail_idx_paddr_lo: Lower 32bits of tail idx register address
+ * @tail_idx_paddr_hi: Higher 32bits of tail idx register address
+ * @buf_size: Size of the buffer for each pointer in the ring
+ * @num_elems: Number of pointers allocated and part of the source ring
+ */
+struct direct_buf_rx_cfg_req {
+ uint32_t pdev_id;
+ uint32_t mod_id;
+ uint32_t base_paddr_lo;
+ uint32_t base_paddr_hi;
+ uint32_t head_idx_paddr_lo;
+ uint32_t head_idx_paddr_hi;
+ uint32_t tail_idx_paddr_hi;
+ uint32_t tail_idx_paddr_lo;
+ uint32_t buf_size;
+ uint32_t num_elems;
+ uint32_t event_timeout_ms;
+ uint32_t num_resp_per_event;
+};
+
#endif /* _WMI_UNIFIED_PARAM_H_ */