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/
usr
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src
/
linux-headers-6.8.0-83
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include
/
linux
/
soc
/
qcom
/ [
drwxr-xr-x
]
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apr.h
/* 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 struct bus_type aprbus; #define APR_HDR_LEN(hdr_len) ((hdr_len)/4) /* * 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)\ (((msg_type & 0x3) << 8) | ((hdr_len & 0xF) << 4) | (ver & 0xF)) #define APR_HDR_SIZE sizeof(struct apr_hdr) #define APR_SEQ_CMD_HDR_FIELD APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, \ APR_HDR_LEN(APR_HDR_SIZE), \ APR_PKT_VER) /* Version */ #define APR_PKT_VER 0x0 /* Command and Response Types */ #define APR_MSG_TYPE_EVENT 0x0 #define APR_MSG_TYPE_CMD_RSP 0x1 #define APR_MSG_TYPE_SEQ_CMD 0x2 #define APR_MSG_TYPE_NSEQ_CMD 0x3 #define APR_MSG_TYPE_MAX 0x04 /* APR Basic Response Message */ #define APR_BASIC_RSP_RESULT 0x000110E8 #define APR_RSP_ACCEPTED 0x000100BE struct aprv2_ibasic_rsp_result_t { uint32_t opcode; uint32_t status; }; /* hdr field Ver [0:3], Size [4:7], Message type [8:10] */ #define APR_HDR_FIELD_VER(h) (h & 0x000F) #define APR_HDR_FIELD_SIZE(h) ((h & 0x00F0) >> 4) #define APR_HDR_FIELD_SIZE_BYTES(h) (((h & 0x00F0) >> 4) * 4) #define APR_HDR_FIELD_MT(h) ((h & 0x0300) >> 8) struct apr_hdr { uint16_t hdr_field; uint16_t pkt_size; uint8_t src_svc; uint8_t src_domain; uint16_t src_port; uint8_t dest_svc; uint8_t dest_domain; uint16_t dest_port; uint32_t token; uint32_t opcode; } __packed; struct apr_pkt { struct apr_hdr hdr; uint8_t payload[]; }; struct apr_resp_pkt { struct apr_hdr hdr; void *payload; 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; uint16_t domain_id; uint32_t version; char name[APR_NAME_SIZE]; const char *service_path; 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); void (*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) /* * use a macro to avoid include chaining to get THIS_MODULE */ #define apr_driver_register(drv) __apr_driver_register(drv, THIS_MODULE) 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) \ 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_ */
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