tpm: tpm_tis_i2c: Move definitions into the header file
[karo-tx-uboot.git] / drivers / tpm / tpm_tis_i2c.h
index 161e63b..db99200 100644 (file)
@@ -113,4 +113,339 @@ struct tpm_cmd_t {
        union tpm_cmd_params params;
 } __packed;
 
+/* Max number of iterations after i2c NAK */
+#define MAX_COUNT              3
+
+/*
+ * Max number of iterations after i2c NAK for 'long' commands
+ *
+ * We need this especially for sending TPM_READY, since the cleanup after the
+ * transtion to the ready state may take some time, but it is unpredictable
+ * how long it will take.
+ */
+#define MAX_COUNT_LONG         50
+
+#define SLEEP_DURATION         60      /* in usec */
+#define SLEEP_DURATION_LONG    210     /* in usec */
+
+#define TPM_HEADER_SIZE                10
+
+enum tis_access {
+       TPM_ACCESS_VALID                = 0x80,
+       TPM_ACCESS_ACTIVE_LOCALITY      = 0x20,
+       TPM_ACCESS_REQUEST_PENDING      = 0x04,
+       TPM_ACCESS_REQUEST_USE          = 0x02,
+};
+
+enum tis_status {
+       TPM_STS_VALID                   = 0x80,
+       TPM_STS_COMMAND_READY           = 0x40,
+       TPM_STS_GO                      = 0x20,
+       TPM_STS_DATA_AVAIL              = 0x10,
+       TPM_STS_DATA_EXPECT             = 0x08,
+};
+
+enum tis_defaults {
+       TIS_SHORT_TIMEOUT               = 750,  /* ms */
+       TIS_LONG_TIMEOUT                = 2000, /* ms */
+};
+
+/* expected value for DIDVID register */
+#define TPM_TIS_I2C_DID_VID_9635 0x000b15d1L
+#define TPM_TIS_I2C_DID_VID_9645 0x001a15d1L
+
+#define        TPM_ACCESS(l)                   (0x0000 | ((l) << 4))
+#define        TPM_STS(l)                      (0x0001 | ((l) << 4))
+#define        TPM_DATA_FIFO(l)                (0x0005 | ((l) << 4))
+#define        TPM_DID_VID(l)                  (0x0006 | ((l) << 4))
+
+enum tpm_duration {
+       TPM_SHORT = 0,
+       TPM_MEDIUM = 1,
+       TPM_LONG = 2,
+       TPM_UNDEFINED,
+};
+
+/* Extended error numbers from linux (see errno.h) */
+#define ECANCELED      125     /* Operation Canceled */
+
+/* Timer frequency. Corresponds to msec timer resolution*/
+#define HZ             1000
+
+#define TPM_MAX_ORDINAL                        243
+#define TPM_MAX_PROTECTED_ORDINAL      12
+#define TPM_PROTECTED_ORDINAL_MASK     0xFF
+
+#define TPM_CMD_COUNT_BYTE     2
+#define TPM_CMD_ORDINAL_BYTE   6
+
+/*
+ * Array with one entry per ordinal defining the maximum amount
+ * of time the chip could take to return the result.  The ordinal
+ * designation of short, medium or long is defined in a table in
+ * TCG Specification TPM Main Part 2 TPM Structures Section 17. The
+ * values of the SHORT, MEDIUM, and LONG durations are retrieved
+ * from the chip during initialization with a call to tpm_get_timeouts.
+ */
+static const u8 tpm_protected_ordinal_duration[TPM_MAX_PROTECTED_ORDINAL] = {
+       TPM_UNDEFINED,          /* 0 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 5 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 10 */
+       TPM_SHORT,
+};
+
+static const u8 tpm_ordinal_duration[TPM_MAX_ORDINAL] = {
+       TPM_UNDEFINED,          /* 0 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 5 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 10 */
+       TPM_SHORT,
+       TPM_MEDIUM,
+       TPM_LONG,
+       TPM_LONG,
+       TPM_MEDIUM,             /* 15 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_MEDIUM,
+       TPM_LONG,
+       TPM_SHORT,              /* 20 */
+       TPM_SHORT,
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_SHORT,              /* 25 */
+       TPM_SHORT,
+       TPM_MEDIUM,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_MEDIUM,             /* 30 */
+       TPM_LONG,
+       TPM_MEDIUM,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,              /* 35 */
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_MEDIUM,             /* 40 */
+       TPM_LONG,
+       TPM_MEDIUM,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,              /* 45 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_LONG,
+       TPM_MEDIUM,             /* 50 */
+       TPM_MEDIUM,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 55 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_MEDIUM,             /* 60 */
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_MEDIUM,             /* 65 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 70 */
+       TPM_SHORT,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 75 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_LONG,               /* 80 */
+       TPM_UNDEFINED,
+       TPM_MEDIUM,
+       TPM_LONG,
+       TPM_SHORT,
+       TPM_UNDEFINED,          /* 85 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 90 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_UNDEFINED,          /* 95 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_MEDIUM,             /* 100 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 105 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 110 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,              /* 115 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_LONG,               /* 120 */
+       TPM_LONG,
+       TPM_MEDIUM,
+       TPM_UNDEFINED,
+       TPM_SHORT,
+       TPM_SHORT,              /* 125 */
+       TPM_SHORT,
+       TPM_LONG,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,              /* 130 */
+       TPM_MEDIUM,
+       TPM_UNDEFINED,
+       TPM_SHORT,
+       TPM_MEDIUM,
+       TPM_UNDEFINED,          /* 135 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 140 */
+       TPM_SHORT,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 145 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 150 */
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_UNDEFINED,          /* 155 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 160 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 165 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_LONG,               /* 170 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 175 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_MEDIUM,             /* 180 */
+       TPM_SHORT,
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_MEDIUM,             /* 185 */
+       TPM_SHORT,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 190 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 195 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 200 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,
+       TPM_SHORT,              /* 205 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_MEDIUM,             /* 210 */
+       TPM_UNDEFINED,
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_MEDIUM,
+       TPM_UNDEFINED,          /* 215 */
+       TPM_MEDIUM,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,
+       TPM_SHORT,              /* 220 */
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_SHORT,
+       TPM_UNDEFINED,          /* 225 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 230 */
+       TPM_LONG,
+       TPM_MEDIUM,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,          /* 235 */
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_UNDEFINED,
+       TPM_SHORT,              /* 240 */
+       TPM_UNDEFINED,
+       TPM_MEDIUM,
+};
+
 #endif