CHROMIUM: mfd: chromeos_ec: update EC<->AP protocol

[cascardo/linux.git] / include / linux / mfd / chromeos_ec.h

diff --git a/include/linux/mfd/chromeos_ec.h b/include/linux/mfd/chromeos_ec.h
index 2604a1e..989713b 100644 (file)
--- a/include/linux/mfd/chromeos_ec.h
+++ b/include/linux/mfd/chromeos_ec.h
@@ -17,38 +17,34 @@
  *
  *
  * ChromeOS EC multi function device
- * and MKBP (matrix keyboard protocol) message-based protocol definitions.
  */
 
 #ifndef __LINUX_MFD_CHROMEOS_EC_H
 #define __LINUX_MFD_CHROMEOS_EC_H
 
-enum {
-       /* Mask to convert a command byte into a command */
-       MKBP_MSG_TRAILER_BYTES  = 1,
-       MKBP_MSG_PROTO_BYTES    = MKBP_MSG_TRAILER_BYTES,
-};
-
-/* The EC command codes */
+struct i2c_msg;
 
-enum message_cmd_t {
-       /* EC control/status messages */
-       MKBP_CMDC_PROTO_VER =   0x00,   /* Read protocol version */
-       MKBP_CMDC_NOP =         0x01,   /* No operation / ping */
-       MKBP_CMDC_ID =          0x02,   /* Read EC ID */
-
-       /* Functional messages */
-       MKBP_CMDC_KEY_STATE =   0x20,   /* Read key state */
+struct chromeos_ec_msg {
+       u8 cmd;
+       uint8_t *out_buf;
+       int out_len;
+       uint8_t *in_buf;
+       int in_len;
 };
 
-
 struct chromeos_ec_device {
        struct device *dev;
        struct i2c_client *client;
        int irq;
        struct blocking_notifier_head event_notifier;
-       int (*send_command)(struct chromeos_ec_device *ec,
-                       char cmd, uint8_t *buf, int buf_len);
+       int (*command_send)(struct chromeos_ec_device *ec,
+                       char cmd, void *out_buf, int out_len);
+       int (*command_recv)(struct chromeos_ec_device *ec,
+                       char cmd, void *in_buf, int in_len);
+       int (*command_xfer)(struct chromeos_ec_device *ec,
+                       struct chromeos_ec_msg *msg);
+       int (*command_raw)(struct chromeos_ec_device *ec,
+                       struct i2c_msg *msgs, int num);
 };
 
 #endif /* __LINUX_MFD_CHROMEOS_EC_H */