Initial commit

drivers/media/platform/sunxi-vin/vin-csi/bsp_csi.h

@@ -0,0 +1,127 @@
+/*
+ * linux-3.10/drivers/media/platform/sunxi-vin/vin-csi/bsp_csi.h
+ *
+ * Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+/*
+ * sunxi csi bsp header file
+ * Author:raymonxiu
+*/
+#ifndef __BSP__CSI__H__
+#define __BSP__CSI__H__
+
+#include "csi_reg.h"
+#include "../utility/bsp_common.h"
+
+#define MAX_CH_NUM 4
+
+#define CSI_ALIGN_4K(x) (((x) + (4095)) & ~(4095))
+#define CSI_ALIGN_32B(x) (((x) + (31)) & ~(31))
+#define CSI_ALIGN_16B(x) (((x) + (15)) & ~(15))
+#define CSI_ALIGN_8B(x) (((x) + (7)) & ~(7))
+
+enum ref_pol {
+	ACTIVE_LOW,		/* active low */
+	ACTIVE_HIGH,		/* active high */
+};
+
+enum edge_pol {
+	FALLING,		/* active falling */
+	RISING,			/* active rising */
+};
+
+/*
+ * the same define as enum csi_input_seq
+ */
+enum bus_fmt_seq {
+	/* only when input is yuv422 */
+	YUYV = 0,
+	YVYU,
+	UYVY,
+	VYUY,
+
+	/* only when input is byer */
+	RGRG = 0,		/* first line sequence is RGRG... */
+	GRGR,			/* first line sequence is GRGR... */
+	BGBG,			/* first line sequence is BGBG... */
+	GBGB,			/* first line sequence is GBGB... */
+};
+
+struct bus_timing {
+	enum ref_pol href_pol;
+	enum ref_pol vref_pol;
+	enum edge_pol pclk_sample;
+	enum ref_pol field_even_pol; /*field 0/1 0:odd 1:even*/
+};
+
+struct bus_info {
+	enum v4l2_mbus_type bus_if;
+	struct bus_timing bus_tmg;
+	enum v4l2_mbus_pixelcode bus_ch_fmt[MAX_CH_NUM]; /* define the same as V4L2 */
+	unsigned int ch_total_num;
+};
+
+struct frame_size {
+	unsigned int width;	/* in pixel unit */
+	unsigned int height;	/* in pixel unit */
+};
+
+struct frame_offset {
+	unsigned int hoff;	/* in pixel unit */
+	unsigned int voff;	/* in pixel unit */
+};
+
+/*
+ * frame arrangement
+ * Indicate that how the channel images are put together into one buffer
+ */
+
+struct frame_arrange {
+	unsigned char column;
+	unsigned char row;
+};
+
+struct frame_info {
+	struct frame_arrange arrange;
+	struct frame_size ch_size[MAX_CH_NUM];
+	struct frame_offset ch_offset[MAX_CH_NUM];
+	unsigned int pix_ch_fmt[MAX_CH_NUM];
+	enum v4l2_field ch_field[MAX_CH_NUM]; /* define the same as V4L2 */
+	unsigned int frm_byte_size;
+};
+
+extern int bsp_csi_set_base_addr(unsigned int sel, unsigned long addr);
+extern void bsp_csi_enable(unsigned int sel);
+extern void bsp_csi_disable(unsigned int sel);
+extern void bsp_csi_reset(unsigned int sel);
+extern int bsp_csi_set_fmt(unsigned int sel, struct bus_info *bus_info,
+			   struct frame_info *frame_info);
+extern int bsp_csi_set_size(unsigned int sel, struct bus_info *bus_info,
+			    struct frame_info *frame_info);
+void bsp_csi_set_addr(unsigned int sel, u64 buf_base_addr, u64 buf_base_addr_y,
+		      u64 buf_base_addr_u, u64 buf_base_addr_v);
+extern void bsp_csi_cap_start(unsigned int sel, unsigned int ch_total_num,
+			      enum csi_cap_mode csi_cap_mode);
+extern void bsp_csi_cap_stop(unsigned int sel, unsigned int ch_total_num,
+			     enum csi_cap_mode csi_cap_mode);
+extern void bsp_csi_int_enable(unsigned int sel, unsigned int ch,
+			       enum csi_int_sel interrupt);
+extern void bsp_csi_int_disable(unsigned int sel, unsigned int ch,
+				enum csi_int_sel interrupt);
+extern void bsp_csi_int_get_status(unsigned int sel, unsigned int ch,
+				   struct csi_int_status *status);
+extern void bsp_csi_int_clear_status(unsigned int sel, unsigned int ch,
+				     enum csi_int_sel interrupt);
+
+#endif /* __BSP__CSI__H__ */