Merge remote-tracking branch 'todor/release/qcomlt-4.4-camss-demo2' into release...

[karo-tx-linux.git] / drivers / media / platform / msm / camss-8x16 / vfe.h

diff --git a/drivers/media/platform/msm/camss-8x16/vfe.h b/drivers/media/platform/msm/camss-8x16/vfe.h
new file mode 100644 (file)
index 0000000..b29460d
--- /dev/null
+++ b/drivers/media/platform/msm/camss-8x16/vfe.h
@@ -0,0 +1,119 @@
+/*
+ * vfe.h
+ *
+ * Qualcomm MSM Camera Subsystem - VFE Module
+ *
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2015-2016 Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+#ifndef QC_MSM_CAMSS_VFE_H
+#define QC_MSM_CAMSS_VFE_H
+
+#include <linux/clk.h>
+#include <linux/spinlock_types.h>
+#include <media/media-entity.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+
+#include "video.h"
+
+#define MSM_VFE_MAX_CID_NUM 4
+
+#define MSM_VFE_PAD_SINK 0
+#define MSM_VFE_PAD_SRC 1
+#define MSM_VFE_PADS_NUM 2
+
+/* Output limitations */
+#define MSM_VFE_MAX_WM_PER_OUTPUT 4
+#define MSM_VFE_MAX_OUTPUTS 1
+
+/* Hw definitions */
+#define MSM_VFE_NUM_RDI 3
+#define MSM_VFE_IMAGE_MASTERS_NUM 7
+#define MSM_VFE_IMAGE_COMPOSITE_NUM 4
+
+#define MSM_VFE_UB_MAX_SIZE_VFE0 827
+#define MSM_VFE_UB_MAX_SIZE_VFE1 (1535)
+
+enum msm_vfe_output_state {
+       MSM_VFE_OUTPUT_OFF,
+       MSM_VFE_OUTPUT_RESERVED,
+       MSM_VFE_OUTPUT_SINGLE,
+       MSM_VFE_OUTPUT_CONTINUOUS,
+       MSM_VFE_OUTPUT_IDLE,
+};
+
+struct msm_vfe_wm {
+       u8 rdi_idx;
+       u8 wm_idx;
+       u32 bytesperline;
+};
+
+struct msm_vfe_output {
+       u16 active_wm;
+       struct msm_vfe_wm wm[MSM_VFE_MAX_WM_PER_OUTPUT];
+
+       int active_buf;
+       struct msm_video_buffer *buf[2];
+       struct list_head pending_bufs;
+
+       int drop_update_idx;
+
+       enum msm_vfe_output_state state;
+};
+
+struct vfe_init {
+       int num_cids;
+       unsigned int cid[MSM_VFE_MAX_CID_NUM];
+};
+
+struct clock_info {
+       const char *name;
+       struct clk *clk;
+};
+
+struct vfe_device {
+       int hw_id;
+       struct vfe_init init;
+       struct v4l2_subdev subdev;
+       struct media_pad pads[MSM_VFE_PADS_NUM];
+       struct camss *camss;
+       struct camss_video video_out;
+       void __iomem *base;
+       void __iomem *base_vbif;
+       u32 irq;
+       struct clock_info *clocks;
+       int nclocks;
+       struct completion reset_completion;
+       struct completion halt_completion;
+       struct mutex mutex;
+       int ref_count;
+       spinlock_t output_lock;
+       int rdi_output_map[MSM_VFE_NUM_RDI];
+       int wm_output_map[MSM_VFE_IMAGE_MASTERS_NUM];
+       int composite_output_map[MSM_VFE_IMAGE_COMPOSITE_NUM];
+       int stream_cnt;
+       int active_outputs;
+       struct msm_vfe_output output[MSM_VFE_MAX_OUTPUTS];
+       struct msm_bus_scale_pdata *bus_scale_table;
+       uint32_t bus_client;
+};
+
+int msm_vfe_subdev_init(struct vfe_device *vfe, struct camss *camss,
+                       struct vfe_init *init);
+
+int msm_vfe_register_entities(struct vfe_device *vfe,
+                             struct v4l2_device *v4l2_dev);
+
+void msm_vfe_unregister_entities(struct vfe_device *vfe);
+
+#endif /* QC_MSM_CAMSS_VFE_H */