diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/common.h | 1 | ||||
| -rw-r--r-- | include/serial.h | 26 |
2 files changed, 24 insertions, 3 deletions
diff --git a/include/common.h b/include/common.h index a8e879e1b9a..57478365c7c 100644 --- a/include/common.h +++ b/include/common.h @@ -364,6 +364,7 @@ void serial_putc_raw(const char); void serial_puts (const char *); int serial_getc (void); int serial_tstc (void); +int serial_getconfig(uint *config); int serial_setconfig(uint config); /* $(CPU)/speed.c */ diff --git a/include/serial.h b/include/serial.h index 9133d07fd51..de21514c0c0 100644 --- a/include/serial.h +++ b/include/serial.h @@ -75,6 +75,8 @@ enum serial_par { #define SERIAL_PAR_SHIFT 0 #define SERIAL_PAR_MASK (0x03 << SERIAL_PAR_SHIFT) +#define SERIAL_SET_PARITY(parity) \ + ((parity << SERIAL_PAR_SHIFT) & SERIAL_PAR_MASK) #define SERIAL_GET_PARITY(config) \ ((config & SERIAL_PAR_MASK) >> SERIAL_PAR_SHIFT) @@ -87,6 +89,8 @@ enum serial_bits { #define SERIAL_BITS_SHIFT 2 #define SERIAL_BITS_MASK (0x3 << SERIAL_BITS_SHIFT) +#define SERIAL_SET_BITS(bits) \ + ((bits << SERIAL_BITS_SHIFT) & SERIAL_BITS_MASK) #define SERIAL_GET_BITS(config) \ ((config & SERIAL_BITS_MASK) >> SERIAL_BITS_SHIFT) @@ -99,6 +103,8 @@ enum serial_stop { #define SERIAL_STOP_SHIFT 4 #define SERIAL_STOP_MASK (0x3 << SERIAL_STOP_SHIFT) +#define SERIAL_SET_STOP(stop) \ + ((stop << SERIAL_STOP_SHIFT) & SERIAL_STOP_MASK) #define SERIAL_GET_STOP(config) \ ((config & SERIAL_STOP_MASK) >> SERIAL_STOP_SHIFT) @@ -107,9 +113,10 @@ enum serial_stop { bits << SERIAL_BITS_SHIFT | \ stop << SERIAL_STOP_SHIFT) -#define SERIAL_DEFAULT_CONFIG SERIAL_PAR_NONE << SERIAL_PAR_SHIFT | \ - SERIAL_8_BITS << SERIAL_BITS_SHIFT | \ - SERIAL_ONE_STOP << SERIAL_STOP_SHIFT +#define SERIAL_DEFAULT_CONFIG \ + (SERIAL_PAR_NONE << SERIAL_PAR_SHIFT | \ + SERIAL_8_BITS << SERIAL_BITS_SHIFT | \ + SERIAL_ONE_STOP << SERIAL_STOP_SHIFT) /** * struct struct dm_serial_ops - Driver model serial operations @@ -189,6 +196,19 @@ struct dm_serial_ops { #endif /** + * getconfig() - Get the uart configuration + * (parity, 5/6/7/8 bits word length, stop bits) + * + * Get a current config for this device. + * + * @dev: Device pointer + * @parity: parity to use + * @bits: bits number to use + * @stop: stop bits number to use + * @return 0 if OK, -ve on error + */ + int (*getconfig)(struct udevice *dev, uint *serial_config); + /** * setconfig() - Set up the uart configuration * (parity, 5/6/7/8 bits word length, stop bits) * |