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_framebuffer.h> 22 23 #include "dp/dp_hw.h" 24 25 #define HIBMC_MIN_VECTORS 1 26 #define HIBMC_MAX_VECTORS 2 27 28 struct hibmc_vdac { 29 struct drm_device *dev; 30 struct drm_encoder encoder; 31 struct drm_connector connector; 32 struct i2c_adapter adapter; 33 struct i2c_algo_bit_data bit_data; 34 }; 35 36 struct hibmc_drm_private { 37 /* hw */ 38 void __iomem *mmio; 39 40 /* drm */ 41 struct drm_device dev; 42 struct drm_plane primary_plane; 43 struct drm_crtc crtc; 44 struct hibmc_vdac vdac; 45 struct hibmc_dp dp; 46 }; 47 48 static inline struct hibmc_vdac *to_hibmc_vdac(struct drm_connector *connector) 49 { 50 return container_of(connector, struct hibmc_vdac, connector); 51 } 52 53 static inline struct hibmc_dp *to_hibmc_dp(struct drm_connector *connector) 54 { 55 return container_of(connector, struct hibmc_dp, connector); 56 } 57 58 static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev) 59 { 60 return container_of(dev, struct hibmc_drm_private, dev); 61 } 62 63 void hibmc_set_power_mode(struct hibmc_drm_private *priv, 64 u32 power_mode); 65 void hibmc_set_current_gate(struct hibmc_drm_private *priv, 66 u32 gate); 67 68 int hibmc_de_init(struct hibmc_drm_private *priv); 69 int hibmc_vdac_init(struct hibmc_drm_private *priv); 70 71 int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_vdac *connector); 72 void hibmc_ddc_del(struct hibmc_vdac *vdac); 73 74 int hibmc_dp_init(struct hibmc_drm_private *priv); 75 76 void hibmc_debugfs_init(struct drm_connector *connector, struct dentry *root); 77 78 irqreturn_t hibmc_dp_hpd_isr(int irq, void *arg); 79 80 #endif 81