/* SPDX-License-Identifier: GPL-2.0 */
|
#ifndef _LINUX_OLPC_EC_H
|
#define _LINUX_OLPC_EC_H
|
|
#include <linux/bits.h>
|
|
/* XO-1 EC commands */
|
#define EC_FIRMWARE_REV 0x08
|
#define EC_WRITE_SCI_MASK 0x1b
|
#define EC_WAKE_UP_WLAN 0x24
|
#define EC_WLAN_LEAVE_RESET 0x25
|
#define EC_DCON_POWER_MODE 0x26
|
#define EC_READ_EB_MODE 0x2a
|
#define EC_SET_SCI_INHIBIT 0x32
|
#define EC_SET_SCI_INHIBIT_RELEASE 0x34
|
#define EC_WLAN_ENTER_RESET 0x35
|
#define EC_WRITE_EXT_SCI_MASK 0x38
|
#define EC_SCI_QUERY 0x84
|
#define EC_EXT_SCI_QUERY 0x85
|
|
/* SCI source values */
|
#define EC_SCI_SRC_GAME BIT(0)
|
#define EC_SCI_SRC_BATTERY BIT(1)
|
#define EC_SCI_SRC_BATSOC BIT(2)
|
#define EC_SCI_SRC_BATERR BIT(3)
|
#define EC_SCI_SRC_EBOOK BIT(4) /* XO-1 only */
|
#define EC_SCI_SRC_WLAN BIT(5) /* XO-1 only */
|
#define EC_SCI_SRC_ACPWR BIT(6)
|
#define EC_SCI_SRC_BATCRIT BIT(7)
|
#define EC_SCI_SRC_GPWAKE BIT(8) /* XO-1.5 only */
|
#define EC_SCI_SRC_ALL GENMASK(8, 0)
|
|
struct platform_device;
|
|
struct olpc_ec_driver {
|
int (*suspend)(struct platform_device *);
|
int (*resume)(struct platform_device *);
|
|
int (*ec_cmd)(u8, u8 *, size_t, u8 *, size_t, void *);
|
|
bool wakeup_available;
|
};
|
|
#ifdef CONFIG_OLPC_EC
|
|
extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);
|
|
extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
|
size_t outlen);
|
|
extern void olpc_ec_wakeup_set(u16 value);
|
extern void olpc_ec_wakeup_clear(u16 value);
|
|
extern int olpc_ec_mask_write(u16 bits);
|
extern int olpc_ec_sci_query(u16 *sci_value);
|
|
extern bool olpc_ec_wakeup_available(void);
|
|
#else
|
|
static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
|
size_t outlen) { return -ENODEV; }
|
|
static inline void olpc_ec_wakeup_set(u16 value) { }
|
static inline void olpc_ec_wakeup_clear(u16 value) { }
|
|
static inline bool olpc_ec_wakeup_available(void)
|
{
|
return false;
|
}
|
|
#endif /* CONFIG_OLPC_EC */
|
|
#endif /* _LINUX_OLPC_EC_H */
|
