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qcacmn: Add WMI interface support for Direct Buffer Rx module

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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
This commit is contained in:
Sathish Kumar
2017-11-17 17:30:41 +05:30
committed by snandini
parent 0d0976b46e
commit 3d3cf4f7a9
3 changed files with 172 additions and 0 deletions
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99
wmi_unified_param.h
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@@ -5614,6 +5614,7 @@ typedef enum {
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 @@ typedef enum {
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 @@ struct wdsentry {
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_ */