1*7b78fa86SJai Luthra /* SPDX-License-Identifier: GPL-2.0+ */ 2*7b78fa86SJai Luthra #ifndef _CDNS_CSI2RX_H 3*7b78fa86SJai Luthra #define _CDNS_CSI2RX_H 4*7b78fa86SJai Luthra 5*7b78fa86SJai Luthra #include <media/v4l2-subdev.h> 6*7b78fa86SJai Luthra 7*7b78fa86SJai Luthra /** 8*7b78fa86SJai Luthra * cdns_csi2rx_negotiate_ppc - Negotiate pixel-per-clock on output interface 9*7b78fa86SJai Luthra * 10*7b78fa86SJai Luthra * @subdev: point to &struct v4l2_subdev 11*7b78fa86SJai Luthra * @pad: pad number of the source pad 12*7b78fa86SJai Luthra * @ppc: pointer to requested pixel-per-clock value 13*7b78fa86SJai Luthra * 14*7b78fa86SJai Luthra * Returns 0 on success, negative error code otherwise. 15*7b78fa86SJai Luthra */ 16*7b78fa86SJai Luthra int cdns_csi2rx_negotiate_ppc(struct v4l2_subdev *subdev, unsigned int pad, 17*7b78fa86SJai Luthra u8 *ppc); 18*7b78fa86SJai Luthra 19*7b78fa86SJai Luthra #endif 20