diff options
Diffstat (limited to 'drivers/misc/mei/hw-me.h')
| -rw-r--r-- | drivers/misc/mei/hw-me.h | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h index 73bef545e4d..12b0f4bbe1f 100644 --- a/drivers/misc/mei/hw-me.h +++ b/drivers/misc/mei/hw-me.h @@ -20,33 +20,37 @@ #define _MEI_INTERFACE_H_ #include <linux/mei.h> +#include <linux/irqreturn.h> #include "mei_dev.h" +#include "client.h" +#define MEI_ME_RPM_TIMEOUT 500 /* ms */ +struct mei_me_hw { + void __iomem *mem_addr; + /* + * hw states of host and fw(ME) + */ + u32 host_hw_state; + u32 me_hw_state; + enum mei_pg_state pg_state; +}; -void mei_read_slots(struct mei_device *dev, - unsigned char *buffer, - unsigned long buffer_length); +#define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw) -int mei_write_message(struct mei_device *dev, - struct mei_msg_hdr *header, - unsigned char *buf); +extern const struct mei_cfg mei_me_legacy_cfg; +extern const struct mei_cfg mei_me_ich_cfg; +extern const struct mei_cfg mei_me_pch_cfg; +extern const struct mei_cfg mei_me_pch_cpt_pbg_cfg; +extern const struct mei_cfg mei_me_lpt_cfg; -bool mei_hbuf_is_empty(struct mei_device *dev); +struct mei_device *mei_me_dev_init(struct pci_dev *pdev, + const struct mei_cfg *cfg); -int mei_hbuf_empty_slots(struct mei_device *dev); +int mei_me_pg_set_sync(struct mei_device *dev); +int mei_me_pg_unset_sync(struct mei_device *dev); -static inline size_t mei_hbuf_max_data(const struct mei_device *dev) -{ - return dev->hbuf_depth * sizeof(u32) - sizeof(struct mei_msg_hdr); -} - -/* get slots (dwords) from a message length + header (bytes) */ -static inline unsigned char mei_data2slots(size_t length) -{ - return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, 4); -} - -int mei_count_full_read_slots(struct mei_device *dev); +irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id); +irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id); #endif /* _MEI_INTERFACE_H_ */ |