1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.h b/drivers/media/platform/qcom/camss/camss-csiphy.h
new file mode 100644
index 000000000000..895f80003c44
--- /dev/null
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.h
@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * camss-csiphy.h
+ *
+ * Qualcomm MSM Camera Subsystem - CSIPHY Module
+ *
+ * Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2016-2018 Linaro Ltd.
+ */
+#ifndef QC_MSM_CAMSS_CSIPHY_H
+#define QC_MSM_CAMSS_CSIPHY_H
+
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <media/media-entity.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-mediabus.h>
+#include <media/v4l2-subdev.h>
+
+#define MSM_CSIPHY_PAD_SINK 0
+#define MSM_CSIPHY_PAD_SRC 1
+#define MSM_CSIPHY_PADS_NUM 2
+
+struct csiphy_lane {
+	u8 pos;
+	u8 pol;
+};
+
+/**
+ * struct csiphy_lanes_cfg - CSIPHY lanes configuration
+ * @num_data: number of data lanes
+ * @data:     data lanes configuration
+ * @clk:      clock lane configuration (only for D-PHY)
+ */
+struct csiphy_lanes_cfg {
+	int num_data;
+	struct csiphy_lane *data;
+	struct csiphy_lane clk;
+};
+
+struct csiphy_csi2_cfg {
+	struct csiphy_lanes_cfg lane_cfg;
+};
+
+struct csiphy_config {
+	u8 combo_mode;
+	u8 csid_id;
+	struct csiphy_csi2_cfg *csi2;
+};
+
+struct csiphy_format_info {
+	u32 code;
+	u8 bpp;
+};
+
+struct csiphy_formats {
+	unsigned int nformats;
+	const struct csiphy_format_info *formats;
+};
+
+struct csiphy_device;
+
+struct csiphy_hw_ops {
+	/*
+	 * csiphy_get_lane_mask - Calculate CSI2 lane mask configuration parameter
+	 * @lane_cfg - CSI2 lane configuration
+	 *
+	 * Return lane mask
+	 */
+	u8 (*get_lane_mask)(struct csiphy_lanes_cfg *lane_cfg);
+	void (*hw_version_read)(struct csiphy_device *csiphy,
+				struct device *dev);
+	void (*reset)(struct csiphy_device *csiphy);
+	void (*lanes_enable)(struct csiphy_device *csiphy,
+			     struct csiphy_config *cfg,
+			     s64 link_freq, u8 lane_mask);
+	void (*lanes_disable)(struct csiphy_device *csiphy,
+			      struct csiphy_config *cfg);
+	irqreturn_t (*isr)(int irq, void *dev);
+	int (*init)(struct csiphy_device *csiphy);
+};
+
+struct csiphy_subdev_resources {
+	u8 id;
+	const struct csiphy_hw_ops *hw_ops;
+	const struct csiphy_formats *formats;
+};
+
+struct csiphy_device_regs {
+	const struct csiphy_lane_regs *lane_regs;
+	int lane_array_size;
+	u32 offset;
+};
+
+struct csiphy_device {
+	struct camss *camss;
+	u8 id;
+	struct v4l2_subdev subdev;
+	struct media_pad pads[MSM_CSIPHY_PADS_NUM];
+	void __iomem *base;
+	void __iomem *base_clk_mux;
+	u32 irq;
+	char irq_name[30];
+	struct camss_clock *clock;
+	bool *rate_set;
+	int nclocks;
+	u32 timer_clk_rate;
+	struct regulator_bulk_data *supplies;
+	int num_supplies;
+	struct csiphy_config cfg;
+	struct v4l2_mbus_framefmt fmt[MSM_CSIPHY_PADS_NUM];
+	const struct csiphy_subdev_resources *res;
+	struct csiphy_device_regs *regs;
+};
+
+struct camss_subdev_resources;
+
+int msm_csiphy_subdev_init(struct camss *camss,
+			   struct csiphy_device *csiphy,
+			   const struct camss_subdev_resources *res, u8 id);
+
+int msm_csiphy_register_entity(struct csiphy_device *csiphy,
+			       struct v4l2_device *v4l2_dev);
+
+void msm_csiphy_unregister_entity(struct csiphy_device *csiphy);
+
+extern const struct csiphy_formats csiphy_formats_8x16;
+extern const struct csiphy_formats csiphy_formats_8x96;
+extern const struct csiphy_formats csiphy_formats_sdm845;
+
+extern const struct csiphy_hw_ops csiphy_ops_2ph_1_0;
+extern const struct csiphy_hw_ops csiphy_ops_3ph_1_0;
+
+#endif /* QC_MSM_CAMSS_CSIPHY_H */