/* Read and Write operations to the chip */
#define TITAN_I2C_BASE 0xbb000000 /* XXX Needs to change */
-
+
#define TITAN_I2C_WRITE(offset, data) \
*(volatile unsigned long *)(TITAN_I2C_BASE + offset) = data
#define TITAN_I2C_MAX_POLL 100
/* Registers used for I2C work */
-#define TITAN_I2C_SCMB_CONTROL 0x0180 /* SCMB Control */
-#define TITAN_I2C_SCMB_CLOCK_A 0x0184 /* SCMB Clock A */
-#define TITAN_I2C_SCMB_CLOCK_B 0x0188 /* SCMB Clock B */
-#define TITAN_I2C_CONFIG 0x01A0 /* I2C Config */
-#define TITAN_I2C_COMMAND 0x01A4 /* I2C Command */
+#define TITAN_I2C_SCMB_CONTROL 0x0180 /* SCMB Control */
+#define TITAN_I2C_SCMB_CLOCK_A 0x0184 /* SCMB Clock A */
+#define TITAN_I2C_SCMB_CLOCK_B 0x0188 /* SCMB Clock B */
+#define TITAN_I2C_CONFIG 0x01A0 /* I2C Config */
+#define TITAN_I2C_COMMAND 0x01A4 /* I2C Command */
#define TITAN_I2C_SLAVE_ADDRESS 0x01A8 /* I2C Slave Address */
-#define TITAN_I2C_DATA 0x01AC /* I2C Data [15:0] */
-#define TITAN_I2C_INTERRUPTS 0x01BC /* I2C Interrupts */
+#define TITAN_I2C_DATA 0x01AC /* I2C Data [15:0] */
+#define TITAN_I2C_INTERRUPTS 0x01BC /* I2C Interrupts */
/* Error */
#define TITAN_I2C_ERR_ARB_LOST (-9220)
/* I2C Command Type */
typedef enum {
- TITAN_I2C_CMD_WRITE = 0,
- TITAN_I2C_CMD_READ = 1,
- TITAN_I2C_CMD_READ_WRITE = 2
+ TITAN_I2C_CMD_WRITE = 0,
+ TITAN_I2C_CMD_READ = 1,
+ TITAN_I2C_CMD_READ_WRITE = 2
} titan_i2c_cmd_type;
/* I2C structures */
typedef struct {
- int filtera; /* Register 0x0184, bits 15 - 12*/
- int clka; /* Register 0x0184, bits 9 - 0 */
- int filterb; /* Register 0x0188, bits 15 - 12 */
- int clkb; /* Register 0x0188, bits 9 - 0 */
+ int filtera; /* Register 0x0184, bits 15 - 12 */
+ int clka; /* Register 0x0184, bits 9 - 0 */
+ int filterb; /* Register 0x0188, bits 15 - 12 */
+ int clkb; /* Register 0x0188, bits 9 - 0 */
} titan_i2c_config;
/* I2C command type */
typedef struct {
- titan_i2c_cmd_type type; /* Type of command */
- int num_arb; /* Register 0x01a0, bits 15 - 12 */
- int num_nak; /* Register 0x01a0, bits 11 - 8 */
- int addr_size; /* Register 0x01a0, bit 7 */
- int mst_code; /* Register 0x01a0, bits 6 - 4 */
- int arb_en; /* Register 0x01a0, bit 1 */
- int speed; /* Register 0x01a0, bit 0 */
- int slave_addr; /* Register 0x01a8 */
- int write_size; /* Register 0x01a4, bits 10 - 8 */
- unsigned int *data; /* Register 0x01ac */
+ titan_i2c_cmd_type type; /* Type of command */
+ int num_arb; /* Register 0x01a0, bits 15 - 12 */
+ int num_nak; /* Register 0x01a0, bits 11 - 8 */
+ int addr_size; /* Register 0x01a0, bit 7 */
+ int mst_code; /* Register 0x01a0, bits 6 - 4 */
+ int arb_en; /* Register 0x01a0, bit 1 */
+ int speed; /* Register 0x01a0, bit 0 */
+ int slave_addr; /* Register 0x01a8 */
+ int write_size; /* Register 0x01a4, bits 10 - 8 */
+ unsigned int *data; /* Register 0x01ac */
} titan_i2c_command;
-#endif /* __I2C_YOSEMITE_H */
+#endif /* __I2C_YOSEMITE_H */