#define NVM_MAX_SIZE SZ_512K
#define NVM_DATA_DWORDS 16
-/* Intel specific NVM offsets */
-#define NVM_DEVID 0x05
-#define NVM_VERSION 0x08
-#define NVM_FLASH_SIZE 0x45
-
/**
* struct tb_nvm - Structure holding NVM information
* @dev: Owner of the NVM
* @minor: Minor version number of the active NVM portion
* @id: Identifier used with both NVM portions
* @active: Active portion NVMem device
+ * @active_size: Size in bytes of the active NVM
* @non_active: Non-active portion NVMem device
* @buf: Buffer where the NVM image is stored before it is written to
* the actual NVM flash device
+ * @buf_data_start: Where the actual image starts after skipping
+ * possible headers
* @buf_data_size: Number of bytes actually consumed by the new NVM
* image
* @authenticating: The device is authenticating the new NVM
* @flushed: The image has been flushed to the storage area
+ * @vops: Router vendor specific NVM operations (optional)
*
* The user of this structure needs to handle serialization of possible
* concurrent access.
*/
struct tb_nvm {
struct device *dev;
- u8 major;
- u8 minor;
+ u32 major;
+ u32 minor;
int id;
struct nvmem_device *active;
+ size_t active_size;
struct nvmem_device *non_active;
void *buf;
+ void *buf_data_start;
size_t buf_data_size;
bool authenticating;
bool flushed;
+ const struct tb_nvm_vendor_ops *vops;
};
enum tb_nvm_write_ops {
enum tb_clx {
TB_CLX_DISABLE,
/* CL0s and CL1 are enabled and supported together */
- TB_CL1,
- TB_CL2,
+ TB_CL1 = BIT(0),
+ TB_CL2 = BIT(1),
};
/**
* @can_offline: Does the port have necessary platform support to moved
* it into offline mode and back
* @offline: The port is currently in offline mode
+ * @margining: Pointer to margining structure if enabled
*/
struct usb4_port {
struct device dev;
struct tb_port *port;
bool can_offline;
bool offline;
+#ifdef CONFIG_USB4_DEBUGFS_MARGINING
+ struct tb_margining *margining;
+#endif
};
/**
* @device: Device ID of the retimer
* @port: Pointer to the lane 0 adapter
* @nvm: Pointer to the NVM if the retimer has one (%NULL otherwise)
+ * @no_nvm_upgrade: Prevent NVM upgrade of this retimer
* @auth_status: Status of last NVM authentication
*/
struct tb_retimer {
u32 device;
struct tb_port *port;
struct tb_nvm *nvm;
+ bool no_nvm_upgrade;
u32 auth_status;
};
}
struct tb_nvm *tb_nvm_alloc(struct device *dev);
-int tb_nvm_add_active(struct tb_nvm *nvm, size_t size, nvmem_reg_read_t reg_read);
+int tb_nvm_read_version(struct tb_nvm *nvm);
+int tb_nvm_validate(struct tb_nvm *nvm);
+int tb_nvm_write_headers(struct tb_nvm *nvm);
+int tb_nvm_add_active(struct tb_nvm *nvm, nvmem_reg_read_t reg_read);
int tb_nvm_write_buf(struct tb_nvm *nvm, unsigned int offset, void *val,
size_t bytes);
-int tb_nvm_add_non_active(struct tb_nvm *nvm, size_t size,
- nvmem_reg_write_t reg_write);
+int tb_nvm_add_non_active(struct tb_nvm *nvm, nvmem_reg_write_t reg_write);
void tb_nvm_free(struct tb_nvm *nvm);
void tb_nvm_exit(void);
unsigned int retries, write_block_fn write_next_block,
void *write_block_data);
+int tb_switch_nvm_read(struct tb_switch *sw, unsigned int address, void *buf,
+ size_t size);
struct tb_switch *tb_switch_alloc(struct tb *tb, struct device *parent,
u64 route);
struct tb_switch *tb_switch_alloc_safe_mode(struct tb *tb,
int tb_port_wait_for_link_width(struct tb_port *port, int width,
int timeout_msec);
int tb_port_update_credits(struct tb_port *port);
+bool tb_port_is_clx_enabled(struct tb_port *port, enum tb_clx clx);
int tb_switch_find_vse_cap(struct tb_switch *sw, enum tb_switch_vse_cap vsec);
int tb_switch_find_cap(struct tb_switch *sw, enum tb_switch_cap cap);
struct tb_xdomain *tb_xdomain_find_by_link_depth(struct tb *tb, u8 link,
u8 depth);
+static inline struct tb_switch *tb_xdomain_parent(struct tb_xdomain *xd)
+{
+ return tb_to_switch(xd->dev.parent);
+}
+
+int tb_retimer_nvm_read(struct tb_retimer *rt, unsigned int address, void *buf,
+ size_t size);
int tb_retimer_scan(struct tb_port *port, bool add);
void tb_retimer_remove_all(struct tb_port *port);
void usb4_switch_remove_ports(struct tb_switch *sw);
int usb4_port_unlock(struct tb_port *port);
+int usb4_port_hotplug_enable(struct tb_port *port);
int usb4_port_configure(struct tb_port *port);
void usb4_port_unconfigure(struct tb_port *port);
int usb4_port_configure_xdomain(struct tb_port *port, struct tb_xdomain *xd);
int usb4_port_router_online(struct tb_port *port);
int usb4_port_enumerate_retimers(struct tb_port *port);
bool usb4_port_clx_supported(struct tb_port *port);
+int usb4_port_margining_caps(struct tb_port *port, u32 *caps);
+int usb4_port_hw_margin(struct tb_port *port, unsigned int lanes,
+ unsigned int ber_level, bool timing, bool right_high,
+ u32 *results);
+int usb4_port_sw_margin(struct tb_port *port, unsigned int lanes, bool timing,
+ bool right_high, u32 counter);
+int usb4_port_sw_margin_errors(struct tb_port *port, u32 *errors);
int usb4_port_retimer_set_inbound_sbtx(struct tb_port *port, u8 index);
int usb4_port_retimer_read(struct tb_port *port, u8 index, u8 reg, void *buf,
void tb_debugfs_exit(void);
void tb_switch_debugfs_init(struct tb_switch *sw);
void tb_switch_debugfs_remove(struct tb_switch *sw);
+void tb_xdomain_debugfs_init(struct tb_xdomain *xd);
+void tb_xdomain_debugfs_remove(struct tb_xdomain *xd);
void tb_service_debugfs_init(struct tb_service *svc);
void tb_service_debugfs_remove(struct tb_service *svc);
#else
static inline void tb_debugfs_exit(void) { }
static inline void tb_switch_debugfs_init(struct tb_switch *sw) { }
static inline void tb_switch_debugfs_remove(struct tb_switch *sw) { }
+static inline void tb_xdomain_debugfs_init(struct tb_xdomain *xd) { }
+static inline void tb_xdomain_debugfs_remove(struct tb_xdomain *xd) { }
static inline void tb_service_debugfs_init(struct tb_service *svc) { }
static inline void tb_service_debugfs_remove(struct tb_service *svc) { }
#endif
projects / platform / kernel / linux-starfive.git / blobdiff