1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* Hisilicon Hibmc SoC drm driver 3 * 4 * Based on the bochs drm driver. 5 * 6 * Copyright (c) 2016 Huawei Limited. 7 * 8 * Author: 9 * Rongrong Zou <zourongrong@huawei.com> 10 * Rongrong Zou <zourongrong@gmail.com> 11 * Jianhua Li <lijianhua@huawei.com> 12 */ 13 14 #ifndef HIBMC_DRM_DRV_H 15 #define HIBMC_DRM_DRV_H 16 17 #include <linux/gpio/consumer.h> 18 #include <linux/i2c-algo-bit.h> 19 #include <linux/i2c.h> 20 21 #include <drm/drm_edid.h> 22 #include <drm/drm_fb_helper.h> 23 #include <drm/drm_framebuffer.h> 24 25 struct hibmc_connector { 26 struct drm_connector base; 27 28 struct i2c_adapter adapter; 29 struct i2c_algo_bit_data bit_data; 30 }; 31 32 struct hibmc_drm_private { 33 /* hw */ 34 void __iomem *mmio; 35 void __iomem *fb_map; 36 resource_size_t fb_base; 37 resource_size_t fb_size; 38 39 /* drm */ 40 struct drm_device dev; 41 struct drm_plane primary_plane; 42 struct drm_crtc crtc; 43 struct drm_encoder encoder; 44 struct hibmc_connector connector; 45 }; 46 47 static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *connector) 48 { 49 return container_of(connector, struct hibmc_connector, base); 50 } 51 52 static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev) 53 { 54 return container_of(dev, struct hibmc_drm_private, dev); 55 } 56 57 void hibmc_set_power_mode(struct hibmc_drm_private *priv, 58 u32 power_mode); 59 void hibmc_set_current_gate(struct hibmc_drm_private *priv, 60 u32 gate); 61 62 int hibmc_de_init(struct hibmc_drm_private *priv); 63 int hibmc_vdac_init(struct hibmc_drm_private *priv); 64 65 int hibmc_mm_init(struct hibmc_drm_private *hibmc); 66 int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_connector *connector); 67 68 #endif 69