u-boot/include/serial.h

78 #define SERIAL_SET_PARITY(parity) \  argument
79 	((parity << SERIAL_PAR_SHIFT) & SERIAL_PAR_MASK)
122 	SERIAL_CHIP_UNKNOWN = -1,
132  * struct serial_device_info - structure to hold serial device info
155  * struct struct dm_serial_ops - Driver model serial operations
157  * The uclass interface is implemented by all serial devices which use
162 	 * setbrg() - Set up the baud rate generator
167 	 * available rate. or return -EINVAL if this is not possible.
170 	 * @baudrate: New baud rate to use
171 	 * @return 0 if OK, -ve on error
175 	 * getc() - Read a character and return it
177 	 * If no character is available, this should return -EAGAIN without
181 	 * @return character (0..255), -ve on error
185 	 * putc() - Write a character
189 	 * @return 0 if OK, -ve on error
193 	 * pending() - Check if input/output characters are waiting
204 	 * @return number of waiting characters, 0 for none, -ve on error
208 	 * clear() - Clear the serial FIFOs/holding registers
214 	 * is acceptable to return -EAGAIN (try again) or -EINVAL (not
218 	 * @return 0 if OK, -ve on error
223 	 * loop() - Control serial device loopback mode
232 	 * getconfig() - Get the uart configuration
233 	 * (parity, 5/6/7/8 bits word length, stop bits)
239 	 * @return 0 if OK, -ve on error
243 	 * setconfig() - Set up the uart configuration
244 	 * (parity, 5/6/7/8 bits word length, stop bits)
249 	 * @serial_config: number of bits, parity and number of stopbits to use
250 	 * @return 0 if OK, -ve on error
254 	 * getinfo() - Get serial device information
258 	 * @return 0 if OK, -ve on error
264  * struct serial_dev_priv - information about a device used by the uclass
281 #define serial_get_ops(dev)	((struct dm_serial_ops *)(dev)->driver->ops)
284  * serial_getconfig() - Get the uart configuration
285  * (parity, 5/6/7/8 bits word length, stop bits)
291  * @return 0 if OK, -ve on error
296  * serial_setconfig() - Set up the uart configuration
297  * (parity, 5/6/7/8 bits word length, stop bits)
302  * @serial_config: number of bits, parity and number of stopbits to use
303  * @return 0 if OK, -ve on error
308  * serial_getinfo() - Get serial device information
312  * @return 0 if OK, -ve on error