diff options
| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2021-09-27 22:13:45 -0500 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2021-09-27 22:13:45 -0500 |
| commit | f27591125a56c8c50491919b159569ab5730878d (patch) | |
| tree | bc91bfe0d062d26f9fcf8de3cbb413f07076ffd8 /include/linux/soc/qcom | |
| parent | e603577231d4d041eceeaf23c25935df5d008798 (diff) | |
| parent | ec1471a898cca38af6b8956a83ebc1297214546f (diff) | |
Merge tag '20210927135559.738-6-srinivas.kandagatla@linaro.org' into drivers-for-5.16
v5.15-rc1 + 20210927135559.738-[23456]-srinivas.kandagatla@linaro.org
This immutable branch is based on v5.15-rc1 and contains the following
patches extending the existig APR driver to also implement GPR:
20210927135559.738-2-srinivas.kandagatla@linaro.org
20210927135559.738-3-srinivas.kandagatla@linaro.org
20210927135559.738-4-srinivas.kandagatla@linaro.org
20210927135559.738-5-srinivas.kandagatla@linaro.org
20210927135559.738-6-srinivas.kandagatla@linaro.org
Diffstat (limited to 'include/linux/soc/qcom')
| -rw-r--r-- | include/linux/soc/qcom/apr.h | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/include/linux/soc/qcom/apr.h b/include/linux/soc/qcom/apr.h index 137f9f2ac4c3..23c5b30f3511 100644 --- a/include/linux/soc/qcom/apr.h +++ b/include/linux/soc/qcom/apr.h @@ -7,6 +7,7 @@ #include <linux/device.h> #include <linux/mod_devicetable.h> #include <dt-bindings/soc/qcom,apr.h> +#include <dt-bindings/soc/qcom,gpr.h> extern struct bus_type aprbus; @@ -75,10 +76,65 @@ struct apr_resp_pkt { int payload_size; }; +struct gpr_hdr { + uint32_t version:4; + uint32_t hdr_size:4; + uint32_t pkt_size:24; + uint32_t dest_domain:8; + uint32_t src_domain:8; + uint32_t reserved:16; + uint32_t src_port; + uint32_t dest_port; + uint32_t token; + uint32_t opcode; +} __packed; + +struct gpr_pkt { + struct gpr_hdr hdr; + uint32_t payload[]; +}; + +struct gpr_resp_pkt { + struct gpr_hdr hdr; + void *payload; + int payload_size; +}; + +#define GPR_HDR_SIZE sizeof(struct gpr_hdr) +#define GPR_PKT_VER 0x0 +#define GPR_PKT_HEADER_WORD_SIZE ((sizeof(struct gpr_pkt) + 3) >> 2) +#define GPR_PKT_HEADER_BYTE_SIZE (GPR_PKT_HEADER_WORD_SIZE << 2) + +#define GPR_BASIC_RSP_RESULT 0x02001005 + +struct gpr_ibasic_rsp_result_t { + uint32_t opcode; + uint32_t status; +}; + +#define GPR_BASIC_EVT_ACCEPTED 0x02001006 + +struct gpr_ibasic_rsp_accepted_t { + uint32_t opcode; +}; + /* Bits 0 to 15 -- Minor version, Bits 16 to 31 -- Major version */ #define APR_SVC_MAJOR_VERSION(v) ((v >> 16) & 0xFF) #define APR_SVC_MINOR_VERSION(v) (v & 0xFF) +typedef int (*gpr_port_cb) (struct gpr_resp_pkt *d, void *priv, int op); +struct packet_router; +struct pkt_router_svc { + struct device *dev; + gpr_port_cb callback; + struct packet_router *pr; + spinlock_t lock; + int id; + void *priv; +}; + +typedef struct pkt_router_svc gpr_port_t; + struct apr_device { struct device dev; uint16_t svc_id; @@ -86,21 +142,26 @@ struct apr_device { uint32_t version; char name[APR_NAME_SIZE]; const char *service_path; - spinlock_t lock; + struct pkt_router_svc svc; struct list_head node; }; +typedef struct apr_device gpr_device_t; + #define to_apr_device(d) container_of(d, struct apr_device, dev) +#define svc_to_apr_device(d) container_of(d, struct apr_device, svc) struct apr_driver { int (*probe)(struct apr_device *sl); int (*remove)(struct apr_device *sl); int (*callback)(struct apr_device *a, struct apr_resp_pkt *d); + int (*gpr_callback)(struct gpr_resp_pkt *d, void *data, int op); struct device_driver driver; const struct apr_device_id *id_table; }; +typedef struct apr_driver gpr_driver_t; #define to_apr_driver(d) container_of(d, struct apr_driver, driver) /* @@ -123,7 +184,14 @@ void apr_driver_unregister(struct apr_driver *drv); #define module_apr_driver(__apr_driver) \ module_driver(__apr_driver, apr_driver_register, \ apr_driver_unregister) +#define module_gpr_driver(__gpr_driver) module_apr_driver(__gpr_driver) int apr_send_pkt(struct apr_device *adev, struct apr_pkt *pkt); +gpr_port_t *gpr_alloc_port(gpr_device_t *gdev, struct device *dev, + gpr_port_cb cb, void *priv); +void gpr_free_port(gpr_port_t *port); +int gpr_send_port_pkt(gpr_port_t *port, struct gpr_pkt *pkt); +int gpr_send_pkt(gpr_device_t *gdev, struct gpr_pkt *pkt); + #endif /* __QCOM_APR_H_ */ |