1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #include <dp_aux.h> 4 dp_aux_request_is_write(enum aux_request request)5bool dp_aux_request_is_write(enum aux_request request) 6 { 7 switch (request) { 8 case I2C_RAW_WRITE_AND_STOP: 9 case I2C_RAW_WRITE: 10 case DPCD_WRITE: 11 return true; 12 default: 13 return false; 14 } 15 } 16 dp_get_aux_cmd(enum aux_request request,uint32_t remaining_after_this)17enum i2c_over_aux dp_get_aux_cmd(enum aux_request request, uint32_t remaining_after_this) 18 { 19 switch (request) { 20 case I2C_RAW_WRITE_AND_STOP: 21 if (!remaining_after_this) 22 return I2C_OVER_AUX_WRITE_MOT_0; 23 __fallthrough; 24 case I2C_RAW_WRITE: 25 return I2C_OVER_AUX_WRITE_MOT_1; 26 case I2C_RAW_READ_AND_STOP: 27 if (!remaining_after_this) 28 return I2C_OVER_AUX_READ_MOT_0; 29 __fallthrough; 30 case I2C_RAW_READ: 31 return I2C_OVER_AUX_READ_MOT_1; 32 case DPCD_WRITE: 33 return NATIVE_AUX_WRITE; 34 case DPCD_READ: 35 default: 36 return NATIVE_AUX_READ; 37 } 38 } 39