diff options
Diffstat (limited to 'openpcd/firmware/include/openpcd.h')
| -rw-r--r-- | openpcd/firmware/include/openpcd.h | 55 |
1 files changed, 38 insertions, 17 deletions
diff --git a/openpcd/firmware/include/openpcd.h b/openpcd/firmware/include/openpcd.h index dee30c6..61bc205 100644 --- a/openpcd/firmware/include/openpcd.h +++ b/openpcd/firmware/include/openpcd.h @@ -6,29 +6,50 @@ #include <sys/types.h> struct openpcd_hdr { - u_int8_t cmd; /* command */ + u_int8_t cmd; /* command. high nibble: class, low nibble: cmd */ u_int8_t flags; u_int8_t reg; /* register */ u_int8_t val; /* value (in case of write *) */ u_int8_t data[0]; } __attribute__ ((packed)); -#define OPENPCD_REG_MAX 0x3f - -#define OPENPCD_CMD_WRITE_REG 0x01 -#define OPENPCD_CMD_WRITE_FIFO 0x02 -#define OPENPCD_CMD_WRITE_VFIFO 0x03 -#define OPENPCD_CMD_REG_BITS_CLEAR 0x04 -#define OPENPCD_CMD_REG_BITS_SET 0x05 - -#define OPENPCD_CMD_READ_REG 0x11 -#define OPENPCD_CMD_READ_FIFO 0x12 -#define OPENPCD_CMD_READ_VFIFO 0x13 -#define OPENPCD_CMD_DUMP_REGS 0x14 - -#define OPENPCD_CMD_SET_LED 0x21 - -#define OPENPCD_CMD_IRQ 0x40 /* IRQ reported by RC632 */ +enum openpcd_cmd_class { + OPENPCD_CMD_CLS_RC632 = 0x1, + OPENPCD_CMD_CLS_LED = 0x2, + OPENPCD_CMD_CLS_SSC = 0x3, + OPENPCD_CMD_CLS_PWM = 0x4, +}; + +#define OPENPCD_CMD_CLS(x) (x >> 4) +#define OPENPCD_CMD(x) (x & 0xf) + +#define OPENPCD_CLS2CMD(x) (x << 4) + +/* CMD_CLS_RC632 */ +#define OPENPCD_CMD_WRITE_REG (0x1|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_WRITE_FIFO (0x2|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_WRITE_VFIFO (0x3|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_REG_BITS_CLEAR (0x4|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_REG_BITS_SET (0x5|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_READ_REG (0x6|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_READ_FIFO (0x7|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_READ_VFIFO (0x8|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_DUMP_REGS (0x9|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) +#define OPENPCD_CMD_IRQ (0xa|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_RC632)) + +/* CMD_CLS_LED */ +#define OPENPCD_CMD_SET_LED (0x1|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_LED)) + +/* CMD_CLS_SSC */ +#define OPENPCD_CMD_SSC_READ (0x1|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_SSC)) +#define OPENPCD_CMD_SSC_WRITE (0x2|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_SSC)) + +/* CMD_CLS_PWM */ +#define OPENPCD_CMD_PWM_ENABLE (0x1|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_PWM)) +#define OPENPCD_CMD_PWM_DUTY_SET (0x2|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_PWM)) +#define OPENPCD_CMD_PWM_DUTY_GET (0x3|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_PWM)) +#define OPENPCD_CMD_PWM_FREQ_SET (0x4|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_PWM)) +#define OPENPCD_CMD_PWM_FREQ_GET (0x5|OPENPCD_CLS2CMD(OPENPCD_CMD_CLS_PWM)) #define OPENPCD_VENDOR_ID 0x2342 #define OPENPCD_PRODUCT_ID 0x0001 |