/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __QCOM_APR_H_ #define __QCOM_APR_H_ #include <linux/spinlock.h> #include <linux/device.h> #include <linux/mod_devicetable.h> #include <dt-bindings/soc/qcom,apr.h> #include <dt-bindings/soc/qcom,gpr.h> extern const struct bus_type aprbus; #define APR_HDR_LEN(hdr_len) … /* * HEADER field * version:0:3 * header_size : 4:7 * message_type : 8:9 * reserved: 10:15 */ #define APR_HDR_FIELD(msg_type, hdr_len, ver) … #define APR_HDR_SIZE … #define APR_SEQ_CMD_HDR_FIELD … /* Version */ #define APR_PKT_VER … /* Command and Response Types */ #define APR_MSG_TYPE_EVENT … #define APR_MSG_TYPE_CMD_RSP … #define APR_MSG_TYPE_SEQ_CMD … #define APR_MSG_TYPE_NSEQ_CMD … #define APR_MSG_TYPE_MAX … /* APR Basic Response Message */ #define APR_BASIC_RSP_RESULT … #define APR_RSP_ACCEPTED … struct aprv2_ibasic_rsp_result_t { … }; /* hdr field Ver [0:3], Size [4:7], Message type [8:10] */ #define APR_HDR_FIELD_VER(h) … #define APR_HDR_FIELD_SIZE(h) … #define APR_HDR_FIELD_SIZE_BYTES(h) … #define APR_HDR_FIELD_MT(h) … struct apr_hdr { … } __packed; struct apr_pkt { … }; struct apr_resp_pkt { … }; struct gpr_hdr { … } __packed; struct gpr_pkt { … }; struct gpr_resp_pkt { … }; #define GPR_HDR_SIZE … #define GPR_PKT_VER … #define GPR_PKT_HEADER_WORD_SIZE … #define GPR_PKT_HEADER_BYTE_SIZE … #define GPR_BASIC_RSP_RESULT … struct gpr_ibasic_rsp_result_t { … }; #define GPR_BASIC_EVT_ACCEPTED … struct gpr_ibasic_rsp_accepted_t { … }; /* Bits 0 to 15 -- Minor version, Bits 16 to 31 -- Major version */ #define APR_SVC_MAJOR_VERSION(v) … #define APR_SVC_MINOR_VERSION(v) … gpr_port_cb; struct packet_router; struct pkt_router_svc { … }; gpr_port_t; struct apr_device { … }; gpr_device_t; #define to_apr_device(d) … #define svc_to_apr_device(d) … struct apr_driver { … }; gpr_driver_t; #define to_apr_driver(d) … /* * use a macro to avoid include chaining to get THIS_MODULE */ #define apr_driver_register(drv) … int __apr_driver_register(struct apr_driver *drv, struct module *owner); void apr_driver_unregister(struct apr_driver *drv); /** * module_apr_driver() - Helper macro for registering a aprbus driver * @__apr_driver: apr_driver struct * * Helper macro for aprbus drivers which do not do anything special in * module init/exit. This eliminates a lot of boilerplate. Each module * may only use this macro once, and calling it replaces module_init() * and module_exit() */ #define module_apr_driver(__apr_driver) … #define module_gpr_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_ */
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