1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH 4 */ 5 6 #ifndef __RK_VOP_H__ 7 #define __RK_VOP_H__ 8 9 #include <asm/arch/vop_rk3288.h> 10 11 struct rk_vop_priv { 12 void *grf; 13 void *regs; 14 }; 15 16 enum vop_features { 17 VOP_FEATURE_OUTPUT_10BIT = (1 << 0), 18 }; 19 20 struct rkvop_driverdata { 21 /* configuration */ 22 u32 features; 23 /* block-specific setters/getters */ 24 void (*set_pin_polarity)(struct udevice *, enum vop_modes, u32); 25 }; 26 27 /** 28 * rk_vop_probe() - common probe implementation 29 * 30 * Performs the rk_display_init on each port-subnode until finding a 31 * working port (or returning an error if none of the ports could be 32 * successfully initialised). 33 * 34 * @dev: device 35 * @return 0 if OK, -ve if something went wrong 36 */ 37 int rk_vop_probe(struct udevice *dev); 38 39 /** 40 * rk_vop_bind() - common bind implementation 41 * 42 * Sets the plat->size field to the amount of memory to be reserved for 43 * the framebuffer: this is always 44 * (32 BPP) x VIDEO_ROCKCHIP_MAX_XRES x VIDEO_ROCKCHIP_MAX_YRES 45 * 46 * @dev: device 47 * @return 0 (always OK) 48 */ 49 int rk_vop_bind(struct udevice *dev); 50 51 /** 52 * rk_vop_probe_regulators() - probe (autoset + enable) regulators 53 * 54 * Probes a list of regulators by performing autoset and enable 55 * operations on them. The list of regulators is an array of string 56 * pointers and any individual regulator-probe may fail without 57 * counting as an error. 58 * 59 * @dev: device 60 * @names: array of string-pointers to regulator names to probe 61 * @cnt: number of elements in the 'names' array 62 */ 63 void rk_vop_probe_regulators(struct udevice *dev, 64 const char * const *names, int cnt); 65 66 #endif 67
