[media] s5p-fimc: Redefine platform data structure for fimc-is

Newer Exynos4 SoC are equipped with a local camera ISP that
controls external raw image sensor directly. Such sensors
can be connected through FIMC-LITEn (and MIPI-CSISn) IPs to
the ISP, which then feeds image data to the FIMCn IP. Thus
there can be two busses associated with an image source
(sensor). Rename struct s5p_fimc_isp_info describing external
image sensor (video decoder) to struct fimc_source_info to
avoid confusion. bus_type is split into fimc_bus_type and
sensor_bus_type. The bus type enumeration is extended to
include both FIMC Writeback input types.
The bus_type enumeration and the data structure name in the
board files are modified according to the above changes.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 31 insertions, 18 deletions

diff --git a/include/media/s5p_fimc.h b/include/media/s5p_fimc.h
index eaea62a382f8..28f3590aa031 100644
--- a/include/media/s5p_fimc.h
+++ b/include/media/s5p_fimc.h
@@ -1,8 +1,8 @@
 /*
- * Samsung S5P SoC camera interface driver header
+ * Samsung S5P/Exynos4 SoC series camera interface driver header
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd
- * Author: Sylwester Nawrocki, <s.nawrocki@samsung.com>
+ * Copyright (C) 2010 - 2013 Samsung Electronics Co., Ltd.
+ * Sylwester Nawrocki <s.nawrocki@samsung.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -14,45 +14,58 @@
 
 #include <media/media-entity.h>
 
-enum cam_bus_type {
-        FIMC_ITU_601 = 1,
-        FIMC_ITU_656,
-        FIMC_MIPI_CSI2,
-        FIMC_LCD_WB, /* FIFO link from LCD mixer */
+/*
+ * Enumeration of the FIMC data bus types.
+ */
+enum fimc_bus_type {
+        /* Camera parallel bus */
+        FIMC_BUS_TYPE_ITU_601 = 1,
+        /* Camera parallel bus with embedded synchronization */
+        FIMC_BUS_TYPE_ITU_656,
+        /* Camera MIPI-CSI2 serial bus */
+        FIMC_BUS_TYPE_MIPI_CSI2,
+        /* FIFO link from LCD controller (WriteBack A) */
+        FIMC_BUS_TYPE_LCD_WRITEBACK_A,
+        /* FIFO link from LCD controller (WriteBack B) */
+        FIMC_BUS_TYPE_LCD_WRITEBACK_B,
+        /* FIFO link from FIMC-IS */
+        FIMC_BUS_TYPE_ISP_WRITEBACK = FIMC_BUS_TYPE_LCD_WRITEBACK_B,
 };
 
 struct i2c_board_info;
 
 /**
- * struct s5p_fimc_isp_info - image sensor information required for host
- *                            interace configuration.
+ * struct fimc_source_info - video source description required for the host
+ *                           interface configuration
  *
  * @board_info: pointer to I2C subdevice's board info
  * @clk_frequency: frequency of the clock the host interface provides to sensor
- * @bus_type: determines bus type, MIPI, ITU-R BT.601 etc.
+ * @fimc_bus_type: FIMC camera input type
+ * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc.
+ * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*)
  * @i2c_bus_num: i2c control bus id the sensor is attached to
  * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
  * @clk_id: index of the SoC peripheral clock for sensors
- * @flags: the parallel bus flags defining signals polarity (V4L2_MBUS_*)
  */
-struct s5p_fimc_isp_info {
+struct fimc_source_info {
         struct i2c_board_info *board_info;
         unsigned long clk_frequency;
-        enum cam_bus_type bus_type;
+        enum fimc_bus_type fimc_bus_type;
+        enum fimc_bus_type sensor_bus_type;
+        u16 flags;
         u16 i2c_bus_num;
         u16 mux_id;
-        u16 flags;
         u8 clk_id;
 };
 
 /**
  * struct s5p_platform_fimc - camera host interface platform data
  *
- * @isp_info: properties of camera sensor required for host interface setup
- * @num_clients: the number of attached image sensors
+ * @source_info: properties of an image source for the host interface setup
+ * @num_clients: the number of attached image sources
  */
 struct s5p_platform_fimc {
-        struct s5p_fimc_isp_info *isp_info;
+        struct fimc_source_info *source_info;
         int num_clients;
 };