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v5.15-rc1 + 20210927135559.738-[23456]-srinivas.kandagatla@linaro.org

Browse source 
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
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Merge tag '20210927135559.738-6-srinivas.kandagatla@linaro.org' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into v11_20211026_srinivas_kandagatla_asoc_qcom_add_audioreach_support for audioreach support

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
This commit is contained in:
Mark Brown 2021-10-26 13:49:20 +01:00
commit 21b178b8e9
6 changed files with 501 additions and 188 deletions
Download patch file Download diff file Expand all files Collapse all files

70
include/linux/soc/qcom/apr.h
View file

@ -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_ */