1 /* 2 * (C) Copyright 2008-2017 Fuzhou Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef _ROCKCHIP_CONNECTOR_H_ 8 #define _ROCKCHIP_CONNECTOR_H_ 9 10 #include "rockchip_mipi_dsi.h" 11 12 struct rockchip_connector { 13 const struct rockchip_connector_funcs *funcs; 14 15 const void *data; 16 }; 17 18 struct rockchip_connector_funcs { 19 /* 20 * init connector, prepare resource to ensure 21 * detect and get_timing can works 22 */ 23 int (*init)(struct display_state *state); 24 25 void (*deinit)(struct display_state *state); 26 /* 27 * Optional, if connector not support hotplug, 28 * Returns: 29 * 0 means disconnected, else means connected 30 */ 31 int (*detect)(struct display_state *state); 32 /* 33 * Optional, if implement it, need fill the timing data: 34 * state->conn_state->mode 35 * you can refer to the rockchip_display: display_get_timing(), 36 * Returns: 37 * 0 means success, else means failed 38 */ 39 int (*get_timing)(struct display_state *state); 40 /* 41 * Optional, if implement it, need fill the edid data: 42 * state->conn_state->edid 43 * Returns: 44 * 0 means success, else means failed 45 */ 46 int (*get_edid)(struct display_state *state); 47 /* 48 * call before crtc enable. 49 */ 50 int (*prepare)(struct display_state *state); 51 /* 52 * call after crtc enable 53 */ 54 int (*enable)(struct display_state *state); 55 int (*disable)(struct display_state *state); 56 void (*unprepare)(struct display_state *state); 57 /* 58 * Save data to dts, then you can share data to kernel space. 59 */ 60 int (*fixup_dts)(struct display_state *state, void *blob); 61 /* transmit a DSI packet */ 62 ssize_t (*transfer)(struct display_state *state, 63 const struct mipi_dsi_msg *msg); 64 }; 65 66 const struct rockchip_connector * 67 rockchip_get_connector(const void *blob, int connector_node); 68 69 #ifdef CONFIG_DRM_ROCKCHIP_ANALOGIX_DP 70 struct rockchip_dp_chip_data; 71 extern const struct rockchip_connector_funcs rockchip_analogix_dp_funcs; 72 extern const struct rockchip_dp_chip_data rk3399_analogix_edp_drv_data; 73 extern const struct rockchip_dp_chip_data rk3368_analogix_edp_drv_data; 74 extern const struct rockchip_dp_chip_data rk3288_analogix_dp_drv_data; 75 #endif 76 #endif 77