1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * camss-csiphy.h 4 * 5 * Qualcomm MSM Camera Subsystem - CSIPHY Module 6 * 7 * Copyright (c) 2011-2015, The Linux Foundation. All rights reserved. 8 * Copyright (C) 2016-2018 Linaro Ltd. 9 */ 10 #ifndef QC_MSM_CAMSS_CSIPHY_H 11 #define QC_MSM_CAMSS_CSIPHY_H 12 13 #include <linux/clk.h> 14 #include <linux/interrupt.h> 15 #include <media/media-entity.h> 16 #include <media/v4l2-device.h> 17 #include <media/v4l2-mediabus.h> 18 #include <media/v4l2-subdev.h> 19 20 #define MSM_CSIPHY_PAD_SINK 0 21 #define MSM_CSIPHY_PAD_SRC 1 22 #define MSM_CSIPHY_PADS_NUM 2 23 24 struct csiphy_lane { 25 u8 pos; 26 u8 pol; 27 }; 28 29 struct csiphy_lanes_cfg { 30 int num_data; 31 struct csiphy_lane *data; 32 struct csiphy_lane clk; 33 }; 34 35 struct csiphy_csi2_cfg { 36 struct csiphy_lanes_cfg lane_cfg; 37 }; 38 39 struct csiphy_config { 40 u8 combo_mode; 41 u8 csid_id; 42 struct csiphy_csi2_cfg *csi2; 43 }; 44 45 struct csiphy_device; 46 47 struct csiphy_hw_ops { 48 void (*hw_version_read)(struct csiphy_device *csiphy, 49 struct device *dev); 50 void (*reset)(struct csiphy_device *csiphy); 51 void (*lanes_enable)(struct csiphy_device *csiphy, 52 struct csiphy_config *cfg, 53 u32 pixel_clock, u8 bpp, u8 lane_mask); 54 void (*lanes_disable)(struct csiphy_device *csiphy, 55 struct csiphy_config *cfg); 56 irqreturn_t (*isr)(int irq, void *dev); 57 }; 58 59 struct csiphy_device { 60 struct camss *camss; 61 u8 id; 62 struct v4l2_subdev subdev; 63 struct media_pad pads[MSM_CSIPHY_PADS_NUM]; 64 void __iomem *base; 65 void __iomem *base_clk_mux; 66 u32 irq; 67 char irq_name[30]; 68 struct camss_clock *clock; 69 int nclocks; 70 u32 timer_clk_rate; 71 struct csiphy_config cfg; 72 struct v4l2_mbus_framefmt fmt[MSM_CSIPHY_PADS_NUM]; 73 const struct csiphy_hw_ops *ops; 74 const struct csiphy_format *formats; 75 unsigned int nformats; 76 }; 77 78 struct resources; 79 80 int msm_csiphy_subdev_init(struct camss *camss, 81 struct csiphy_device *csiphy, 82 const struct resources *res, u8 id); 83 84 int msm_csiphy_register_entity(struct csiphy_device *csiphy, 85 struct v4l2_device *v4l2_dev); 86 87 void msm_csiphy_unregister_entity(struct csiphy_device *csiphy); 88 89 extern const struct csiphy_hw_ops csiphy_ops_2ph_1_0; 90 extern const struct csiphy_hw_ops csiphy_ops_3ph_1_0; 91 92 #endif /* QC_MSM_CAMSS_CSIPHY_H */ 93