--- /dev/null
+/*
+ * Samsung Exynos4x12 FIMC-IS (Imaging Subsystem) driver
+ *
+ * FIMC-IS command set definitions
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Younghwan Joo <yhwan.joo@samsung.com>
+ * 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
+ * published by the Free Software Foundation.
+ */
+
+#ifndef FIMC_IS_CMD_H_
+#define FIMC_IS_CMD_H_
+
+#define FIMC_IS_COMMAND_VER 110 /* FIMC-IS command set version 1.10 */
+
+/* Enumeration of commands beetween the FIMC-IS and the host processor. */
+
+/* HOST to FIMC-IS */
+#define HIC_PREVIEW_STILL 0x0001
+#define HIC_PREVIEW_VIDEO 0x0002
+#define HIC_CAPTURE_STILL 0x0003
+#define HIC_CAPTURE_VIDEO 0x0004
+#define HIC_STREAM_ON 0x0005
+#define HIC_STREAM_OFF 0x0006
+#define HIC_SET_PARAMETER 0x0007
+#define HIC_GET_PARAMETER 0x0008
+#define HIC_SET_TUNE 0x0009
+#define HIC_GET_STATUS 0x000b
+/* Sensor part */
+#define HIC_OPEN_SENSOR 0x000c
+#define HIC_CLOSE_SENSOR 0x000d
+#define HIC_SIMMIAN_INIT 0x000e
+#define HIC_SIMMIAN_WRITE 0x000f
+#define HIC_SIMMIAN_READ 0x0010
+#define HIC_POWER_DOWN 0x0011
+#define HIC_GET_SET_FILE_ADDR 0x0012
+#define HIC_LOAD_SET_FILE 0x0013
+#define HIC_MSG_CONFIG 0x0014
+#define HIC_MSG_TEST 0x0015
+/* FIMC-IS to HOST */
+#define IHC_GET_SENSOR_NUM 0x1000
+#define IHC_SET_SHOT_MARK 0x1001
+/* parameter1: frame number */
+/* parameter2: confidence level (smile 0~100) */
+/* parameter3: confidence level (blink 0~100) */
+#define IHC_SET_FACE_MARK 0x1002
+/* parameter1: coordinate count */
+/* parameter2: coordinate buffer address */
+#define IHC_FRAME_DONE 0x1003
+/* parameter1: frame start number */
+/* parameter2: frame count */
+#define IHC_AA_DONE 0x1004
+#define IHC_NOT_READY 0x1005
+
+#define IH_REPLY_DONE 0x2000
+#define IH_REPLY_NOT_DONE 0x2001
+
+enum fimc_is_scenario {
+ IS_SC_PREVIEW_STILL,
+ IS_SC_PREVIEW_VIDEO,
+ IS_SC_CAPTURE_STILL,
+ IS_SC_CAPTURE_VIDEO,
+ IS_SC_MAX
+};
+
+enum fimc_is_sub_scenario {
+ IS_SC_SUB_DEFAULT,
+ IS_SC_SUB_PS_VTCALL,
+ IS_SC_SUB_CS_VTCALL,
+ IS_SC_SUB_PV_VTCALL,
+ IS_SC_SUB_CV_VTCALL,
+};
+
+struct is_common_regs {
+ u32 hicmd;
+ u32 hic_sensorid;
+ u32 hic_param[4];
+ u32 reserved1[4];
+
+ u32 ihcmd;
+ u32 ihc_sensorid;
+ u32 ihc_param[4];
+ u32 reserved2[4];
+
+ u32 isp_sensor_id;
+ u32 isp_param[2];
+ u32 reserved3[1];
+
+ u32 scc_sensor_id;
+ u32 scc_param[2];
+ u32 reserved4[1];
+
+ u32 dnr_sensor_id;
+ u32 dnr_param[2];
+ u32 reserved5[1];
+
+ u32 scp_sensor_id;
+ u32 scp_param[2];
+ u32 reserved6[29];
+} __packed;
+
+struct is_mcuctl_reg {
+ u32 mcuctl;
+ u32 bboar;
+
+ u32 intgr0;
+ u32 intcr0;
+ u32 intmr0;
+ u32 intsr0;
+ u32 intmsr0;
+
+ u32 intgr1;
+ u32 intcr1;
+ u32 intmr1;
+ u32 intsr1;
+ u32 intmsr1;
+
+ u32 intcr2;
+ u32 intmr2;
+ u32 intsr2;
+ u32 intmsr2;
+
+ u32 gpoctrl;
+ u32 cpoenctlr;
+ u32 gpictlr;
+
+ u32 reserved[0xd];
+
+ struct is_common_regs common;
+} __packed;
+
+#endif /* FIMC_IS_CMD_H_ */
--- /dev/null
+/*
+ * Samsung Exynos4 SoC series FIMC-IS slave interface driver
+ *
+ * Error log interface functions
+ *
+ * Copyright (C) 2011 - 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Younghwan Joo <yhwan.joo@samsung.com>
+ * 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
+ * published by the Free Software Foundation.
+ */
+
+#include "fimc-is-errno.h"
+
+const char * const fimc_is_param_strerr(unsigned int error)
+{
+ switch (error) {
+ case ERROR_COMMON_CMD:
+ return "ERROR_COMMON_CMD: Invalid Command";
+ case ERROR_COMMON_PARAMETER:
+ return "ERROR_COMMON_PARAMETER: Invalid Parameter";
+ case ERROR_COMMON_SETFILE_LOAD:
+ return "ERROR_COMMON_SETFILE_LOAD: Illegal Setfile Loading";
+ case ERROR_COMMON_SETFILE_ADJUST:
+ return "ERROR_COMMON_SETFILE_ADJUST: Setfile isn't adjusted";
+ case ERROR_COMMON_SETFILE_INDEX:
+ return "ERROR_COMMON_SETFILE_INDEX: Invalid setfile index";
+ case ERROR_COMMON_INPUT_PATH:
+ return "ERROR_COMMON_INPUT_PATH: Input path can be changed in ready state";
+ case ERROR_COMMON_INPUT_INIT:
+ return "ERROR_COMMON_INPUT_INIT: IP can not start if input path is not set";
+ case ERROR_COMMON_OUTPUT_PATH:
+ return "ERROR_COMMON_OUTPUT_PATH: Output path can be changed in ready state (stop)";
+ case ERROR_COMMON_OUTPUT_INIT:
+ return "ERROR_COMMON_OUTPUT_INIT: IP can not start if output path is not set";
+ case ERROR_CONTROL_BYPASS:
+ return "ERROR_CONTROL_BYPASS";
+ case ERROR_OTF_INPUT_FORMAT:
+ return "ERROR_OTF_INPUT_FORMAT: Invalid format (DRC: YUV444, FD: YUV444, 422, 420)";
+ case ERROR_OTF_INPUT_WIDTH:
+ return "ERROR_OTF_INPUT_WIDTH: Invalid width (DRC: 128~8192, FD: 32~8190)";
+ case ERROR_OTF_INPUT_HEIGHT:
+ return "ERROR_OTF_INPUT_HEIGHT: Invalid bit-width (DRC: 8~12bits, FD: 8bit)";
+ case ERROR_OTF_INPUT_BIT_WIDTH:
+ return "ERROR_OTF_INPUT_BIT_WIDTH: Invalid bit-width (DRC: 8~12bits, FD: 8bit)";
+ case ERROR_DMA_INPUT_WIDTH:
+ return "ERROR_DMA_INPUT_WIDTH: Invalid width (DRC: 128~8192, FD: 32~8190)";
+ case ERROR_DMA_INPUT_HEIGHT:
+ return "ERROR_DMA_INPUT_HEIGHT: Invalid height (DRC: 64~8192, FD: 16~8190)";
+ case ERROR_DMA_INPUT_FORMAT:
+ return "ERROR_DMA_INPUT_FORMAT: Invalid format (DRC: YUV444 or YUV422, FD: YUV444,422,420)";
+ case ERROR_DMA_INPUT_BIT_WIDTH:
+ return "ERROR_DMA_INPUT_BIT_WIDTH: Invalid bit-width (DRC: 8~12bits, FD: 8bit)";
+ case ERROR_DMA_INPUT_ORDER:
+ return "ERROR_DMA_INPUT_ORDER: Invalid order(DRC: YYCbCr,YCbYCr,FD:NO,YYCbCr,YCbYCr,CbCr,CrCb)";
+ case ERROR_DMA_INPUT_PLANE:
+ return "ERROR_DMA_INPUT_PLANE: Invalid palne (DRC: 3, FD: 1, 2, 3)";
+ case ERROR_OTF_OUTPUT_WIDTH:
+ return "ERROR_OTF_OUTPUT_WIDTH: Invalid width (DRC: 128~8192)";
+ case ERROR_OTF_OUTPUT_HEIGHT:
+ return "ERROR_OTF_OUTPUT_HEIGHT: Invalid height (DRC: 64~8192)";
+ case ERROR_OTF_OUTPUT_FORMAT:
+ return "ERROR_OTF_OUTPUT_FORMAT: Invalid format (DRC: YUV444)";
+ case ERROR_OTF_OUTPUT_BIT_WIDTH:
+ return "ERROR_OTF_OUTPUT_BIT_WIDTH: Invalid bit-width (DRC: 8~12bits, FD: 8bit)";
+ case ERROR_DMA_OUTPUT_WIDTH:
+ return "ERROR_DMA_OUTPUT_WIDTH";
+ case ERROR_DMA_OUTPUT_HEIGHT:
+ return "ERROR_DMA_OUTPUT_HEIGHT";
+ case ERROR_DMA_OUTPUT_FORMAT:
+ return "ERROR_DMA_OUTPUT_FORMAT";
+ case ERROR_DMA_OUTPUT_BIT_WIDTH:
+ return "ERROR_DMA_OUTPUT_BIT_WIDTH";
+ case ERROR_DMA_OUTPUT_PLANE:
+ return "ERROR_DMA_OUTPUT_PLANE";
+ case ERROR_DMA_OUTPUT_ORDER:
+ return "ERROR_DMA_OUTPUT_ORDER";
+
+ /* Sensor Error(100~199) */
+ case ERROR_SENSOR_I2C_FAIL:
+ return "ERROR_SENSOR_I2C_FAIL";
+ case ERROR_SENSOR_INVALID_FRAMERATE:
+ return "ERROR_SENSOR_INVALID_FRAMERATE";
+ case ERROR_SENSOR_INVALID_EXPOSURETIME:
+ return "ERROR_SENSOR_INVALID_EXPOSURETIME";
+ case ERROR_SENSOR_INVALID_SIZE:
+ return "ERROR_SENSOR_INVALID_SIZE";
+ case ERROR_SENSOR_INVALID_SETTING:
+ return "ERROR_SENSOR_INVALID_SETTING";
+ case ERROR_SENSOR_ACTURATOR_INIT_FAIL:
+ return "ERROR_SENSOR_ACTURATOR_INIT_FAIL";
+ case ERROR_SENSOR_INVALID_AF_POS:
+ return "ERROR_SENSOR_INVALID_AF_POS";
+ case ERROR_SENSOR_UNSUPPORT_FUNC:
+ return "ERROR_SENSOR_UNSUPPORT_FUNC";
+ case ERROR_SENSOR_UNSUPPORT_PERI:
+ return "ERROR_SENSOR_UNSUPPORT_PERI";
+ case ERROR_SENSOR_UNSUPPORT_AF:
+ return "ERROR_SENSOR_UNSUPPORT_AF";
+
+ /* ISP Error (200~299) */
+ case ERROR_ISP_AF_BUSY:
+ return "ERROR_ISP_AF_BUSY";
+ case ERROR_ISP_AF_INVALID_COMMAND:
+ return "ERROR_ISP_AF_INVALID_COMMAND";
+ case ERROR_ISP_AF_INVALID_MODE:
+ return "ERROR_ISP_AF_INVALID_MODE";
+
+ /* DRC Error (300~399) */
+ /* FD Error (400~499) */
+ case ERROR_FD_CONFIG_MAX_NUMBER_STATE:
+ return "ERROR_FD_CONFIG_MAX_NUMBER_STATE";
+ case ERROR_FD_CONFIG_MAX_NUMBER_INVALID:
+ return "ERROR_FD_CONFIG_MAX_NUMBER_INVALID";
+ case ERROR_FD_CONFIG_YAW_ANGLE_STATE:
+ return "ERROR_FD_CONFIG_YAW_ANGLE_STATE";
+ case ERROR_FD_CONFIG_YAW_ANGLE_INVALID:
+ return "ERROR_FD_CONFIG_YAW_ANGLE_INVALID\n";
+ case ERROR_FD_CONFIG_ROLL_ANGLE_STATE:
+ return "ERROR_FD_CONFIG_ROLL_ANGLE_STATE";
+ case ERROR_FD_CONFIG_ROLL_ANGLE_INVALID:
+ return "ERROR_FD_CONFIG_ROLL_ANGLE_INVALID";
+ case ERROR_FD_CONFIG_SMILE_MODE_INVALID:
+ return "ERROR_FD_CONFIG_SMILE_MODE_INVALID";
+ case ERROR_FD_CONFIG_BLINK_MODE_INVALID:
+ return "ERROR_FD_CONFIG_BLINK_MODE_INVALID";
+ case ERROR_FD_CONFIG_EYES_DETECT_INVALID:
+ return "ERROR_FD_CONFIG_EYES_DETECT_INVALID";
+ case ERROR_FD_CONFIG_MOUTH_DETECT_INVALID:
+ return "ERROR_FD_CONFIG_MOUTH_DETECT_INVALID";
+ case ERROR_FD_CONFIG_ORIENTATION_STATE:
+ return "ERROR_FD_CONFIG_ORIENTATION_STATE";
+ case ERROR_FD_CONFIG_ORIENTATION_INVALID:
+ return "ERROR_FD_CONFIG_ORIENTATION_INVALID";
+ case ERROR_FD_CONFIG_ORIENTATION_VALUE_INVALID:
+ return "ERROR_FD_CONFIG_ORIENTATION_VALUE_INVALID";
+ case ERROR_FD_RESULT:
+ return "ERROR_FD_RESULT";
+ case ERROR_FD_MODE:
+ return "ERROR_FD_MODE";
+ default:
+ return "Unknown";
+ }
+}
+
+const char * const fimc_is_strerr(unsigned int error)
+{
+ error &= ~IS_ERROR_TIME_OUT_FLAG;
+
+ switch (error) {
+ /* General */
+ case IS_ERROR_INVALID_COMMAND:
+ return "IS_ERROR_INVALID_COMMAND";
+ case IS_ERROR_REQUEST_FAIL:
+ return "IS_ERROR_REQUEST_FAIL";
+ case IS_ERROR_INVALID_SCENARIO:
+ return "IS_ERROR_INVALID_SCENARIO";
+ case IS_ERROR_INVALID_SENSORID:
+ return "IS_ERROR_INVALID_SENSORID";
+ case IS_ERROR_INVALID_MODE_CHANGE:
+ return "IS_ERROR_INVALID_MODE_CHANGE";
+ case IS_ERROR_INVALID_MAGIC_NUMBER:
+ return "IS_ERROR_INVALID_MAGIC_NUMBER";
+ case IS_ERROR_INVALID_SETFILE_HDR:
+ return "IS_ERROR_INVALID_SETFILE_HDR";
+ case IS_ERROR_BUSY:
+ return "IS_ERROR_BUSY";
+ case IS_ERROR_SET_PARAMETER:
+ return "IS_ERROR_SET_PARAMETER";
+ case IS_ERROR_INVALID_PATH:
+ return "IS_ERROR_INVALID_PATH";
+ case IS_ERROR_OPEN_SENSOR_FAIL:
+ return "IS_ERROR_OPEN_SENSOR_FAIL";
+ case IS_ERROR_ENTRY_MSG_THREAD_DOWN:
+ return "IS_ERROR_ENTRY_MSG_THREAD_DOWN";
+ case IS_ERROR_ISP_FRAME_END_NOT_DONE:
+ return "IS_ERROR_ISP_FRAME_END_NOT_DONE";
+ case IS_ERROR_DRC_FRAME_END_NOT_DONE:
+ return "IS_ERROR_DRC_FRAME_END_NOT_DONE";
+ case IS_ERROR_SCALERC_FRAME_END_NOT_DONE:
+ return "IS_ERROR_SCALERC_FRAME_END_NOT_DONE";
+ case IS_ERROR_ODC_FRAME_END_NOT_DONE:
+ return "IS_ERROR_ODC_FRAME_END_NOT_DONE";
+ case IS_ERROR_DIS_FRAME_END_NOT_DONE:
+ return "IS_ERROR_DIS_FRAME_END_NOT_DONE";
+ case IS_ERROR_TDNR_FRAME_END_NOT_DONE:
+ return "IS_ERROR_TDNR_FRAME_END_NOT_DONE";
+ case IS_ERROR_SCALERP_FRAME_END_NOT_DONE:
+ return "IS_ERROR_SCALERP_FRAME_END_NOT_DONE";
+ case IS_ERROR_WAIT_STREAM_OFF_NOT_DONE:
+ return "IS_ERROR_WAIT_STREAM_OFF_NOT_DONE";
+ case IS_ERROR_NO_MSG_IS_RECEIVED:
+ return "IS_ERROR_NO_MSG_IS_RECEIVED";
+ case IS_ERROR_SENSOR_MSG_FAIL:
+ return "IS_ERROR_SENSOR_MSG_FAIL";
+ case IS_ERROR_ISP_MSG_FAIL:
+ return "IS_ERROR_ISP_MSG_FAIL";
+ case IS_ERROR_DRC_MSG_FAIL:
+ return "IS_ERROR_DRC_MSG_FAIL";
+ case IS_ERROR_LHFD_MSG_FAIL:
+ return "IS_ERROR_LHFD_MSG_FAIL";
+ case IS_ERROR_UNKNOWN:
+ return "IS_ERROR_UNKNOWN";
+
+ /* Sensor */
+ case IS_ERROR_SENSOR_PWRDN_FAIL:
+ return "IS_ERROR_SENSOR_PWRDN_FAIL";
+
+ /* ISP */
+ case IS_ERROR_ISP_PWRDN_FAIL:
+ return "IS_ERROR_ISP_PWRDN_FAIL";
+ case IS_ERROR_ISP_MULTIPLE_INPUT:
+ return "IS_ERROR_ISP_MULTIPLE_INPUT";
+ case IS_ERROR_ISP_ABSENT_INPUT:
+ return "IS_ERROR_ISP_ABSENT_INPUT";
+ case IS_ERROR_ISP_ABSENT_OUTPUT:
+ return "IS_ERROR_ISP_ABSENT_OUTPUT";
+ case IS_ERROR_ISP_NONADJACENT_OUTPUT:
+ return "IS_ERROR_ISP_NONADJACENT_OUTPUT";
+ case IS_ERROR_ISP_FORMAT_MISMATCH:
+ return "IS_ERROR_ISP_FORMAT_MISMATCH";
+ case IS_ERROR_ISP_WIDTH_MISMATCH:
+ return "IS_ERROR_ISP_WIDTH_MISMATCH";
+ case IS_ERROR_ISP_HEIGHT_MISMATCH:
+ return "IS_ERROR_ISP_HEIGHT_MISMATCH";
+ case IS_ERROR_ISP_BITWIDTH_MISMATCH:
+ return "IS_ERROR_ISP_BITWIDTH_MISMATCH";
+ case IS_ERROR_ISP_FRAME_END_TIME_OUT:
+ return "IS_ERROR_ISP_FRAME_END_TIME_OUT";
+
+ /* DRC */
+ case IS_ERROR_DRC_PWRDN_FAIL:
+ return "IS_ERROR_DRC_PWRDN_FAIL";
+ case IS_ERROR_DRC_MULTIPLE_INPUT:
+ return "IS_ERROR_DRC_MULTIPLE_INPUT";
+ case IS_ERROR_DRC_ABSENT_INPUT:
+ return "IS_ERROR_DRC_ABSENT_INPUT";
+ case IS_ERROR_DRC_NONADJACENT_INPUT:
+ return "IS_ERROR_DRC_NONADJACENT_INPUT";
+ case IS_ERROR_DRC_ABSENT_OUTPUT:
+ return "IS_ERROR_DRC_ABSENT_OUTPUT";
+ case IS_ERROR_DRC_NONADJACENT_OUTPUT:
+ return "IS_ERROR_DRC_NONADJACENT_OUTPUT";
+ case IS_ERROR_DRC_FORMAT_MISMATCH:
+ return "IS_ERROR_DRC_FORMAT_MISMATCH";
+ case IS_ERROR_DRC_WIDTH_MISMATCH:
+ return "IS_ERROR_DRC_WIDTH_MISMATCH";
+ case IS_ERROR_DRC_HEIGHT_MISMATCH:
+ return "IS_ERROR_DRC_HEIGHT_MISMATCH";
+ case IS_ERROR_DRC_BITWIDTH_MISMATCH:
+ return "IS_ERROR_DRC_BITWIDTH_MISMATCH";
+ case IS_ERROR_DRC_FRAME_END_TIME_OUT:
+ return "IS_ERROR_DRC_FRAME_END_TIME_OUT";
+
+ /* FD */
+ case IS_ERROR_FD_PWRDN_FAIL:
+ return "IS_ERROR_FD_PWRDN_FAIL";
+ case IS_ERROR_FD_MULTIPLE_INPUT:
+ return "IS_ERROR_FD_MULTIPLE_INPUT";
+ case IS_ERROR_FD_ABSENT_INPUT:
+ return "IS_ERROR_FD_ABSENT_INPUT";
+ case IS_ERROR_FD_NONADJACENT_INPUT:
+ return "IS_ERROR_FD_NONADJACENT_INPUT";
+ case IS_ERROR_LHFD_FRAME_END_TIME_OUT:
+ return "IS_ERROR_LHFD_FRAME_END_TIME_OUT";
+ default:
+ return "Unknown";
+ }
+}
--- /dev/null
+/*
+ * Samsung Exynos4 SoC series FIMC-IS slave interface driver
+ *
+ * FIMC-IS error code definition
+ *
+ * Copyright (C) 2011 - 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Younghwan Joo <yhwan.joo@samsung.com>
+ * 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
+ * published by the Free Software Foundation.
+*/
+
+#ifndef FIMC_IS_ERR_H_
+#define FIMC_IS_ERR_H_
+
+#define IS_ERROR_VER 011 /* IS ERROR VERSION 0.11 */
+
+enum {
+ IS_ERROR_NONE,
+
+ /* General 1 ~ 99 */
+ IS_ERROR_INVALID_COMMAND,
+ IS_ERROR_REQUEST_FAIL,
+ IS_ERROR_INVALID_SCENARIO,
+ IS_ERROR_INVALID_SENSORID,
+ IS_ERROR_INVALID_MODE_CHANGE,
+ IS_ERROR_INVALID_MAGIC_NUMBER,
+ IS_ERROR_INVALID_SETFILE_HDR,
+ IS_ERROR_BUSY,
+ IS_ERROR_SET_PARAMETER,
+ IS_ERROR_INVALID_PATH,
+ IS_ERROR_OPEN_SENSOR_FAIL,
+ IS_ERROR_ENTRY_MSG_THREAD_DOWN,
+ IS_ERROR_ISP_FRAME_END_NOT_DONE,
+ IS_ERROR_DRC_FRAME_END_NOT_DONE,
+ IS_ERROR_SCALERC_FRAME_END_NOT_DONE,
+ IS_ERROR_ODC_FRAME_END_NOT_DONE,
+ IS_ERROR_DIS_FRAME_END_NOT_DONE,
+ IS_ERROR_TDNR_FRAME_END_NOT_DONE,
+ IS_ERROR_SCALERP_FRAME_END_NOT_DONE,
+ IS_ERROR_WAIT_STREAM_OFF_NOT_DONE,
+ IS_ERROR_NO_MSG_IS_RECEIVED,
+ IS_ERROR_SENSOR_MSG_FAIL,
+ IS_ERROR_ISP_MSG_FAIL,
+ IS_ERROR_DRC_MSG_FAIL,
+ IS_ERROR_SCALERC_MSG_FAIL,
+ IS_ERROR_ODC_MSG_FAIL,
+ IS_ERROR_DIS_MSG_FAIL,
+ IS_ERROR_TDNR_MSG_FAIL,
+ IS_ERROR_SCALERP_MSG_FAIL,
+ IS_ERROR_LHFD_MSG_FAIL,
+ IS_ERROR_LHFD_INTERNAL_STOP,
+
+ /* Sensor 100 ~ 199 */
+ IS_ERROR_SENSOR_PWRDN_FAIL = 100,
+ IS_ERROR_SENSOR_STREAM_ON_FAIL,
+ IS_ERROR_SENSOR_STREAM_OFF_FAIL,
+
+ /* ISP 200 ~ 299 */
+ IS_ERROR_ISP_PWRDN_FAIL = 200,
+ IS_ERROR_ISP_MULTIPLE_INPUT,
+ IS_ERROR_ISP_ABSENT_INPUT,
+ IS_ERROR_ISP_ABSENT_OUTPUT,
+ IS_ERROR_ISP_NONADJACENT_OUTPUT,
+ IS_ERROR_ISP_FORMAT_MISMATCH,
+ IS_ERROR_ISP_WIDTH_MISMATCH,
+ IS_ERROR_ISP_HEIGHT_MISMATCH,
+ IS_ERROR_ISP_BITWIDTH_MISMATCH,
+ IS_ERROR_ISP_FRAME_END_TIME_OUT,
+
+ /* DRC 300 ~ 399 */
+ IS_ERROR_DRC_PWRDN_FAIL = 300,
+ IS_ERROR_DRC_MULTIPLE_INPUT,
+ IS_ERROR_DRC_ABSENT_INPUT,
+ IS_ERROR_DRC_NONADJACENT_INPUT,
+ IS_ERROR_DRC_ABSENT_OUTPUT,
+ IS_ERROR_DRC_NONADJACENT_OUTPUT,
+ IS_ERROR_DRC_FORMAT_MISMATCH,
+ IS_ERROR_DRC_WIDTH_MISMATCH,
+ IS_ERROR_DRC_HEIGHT_MISMATCH,
+ IS_ERROR_DRC_BITWIDTH_MISMATCH,
+ IS_ERROR_DRC_FRAME_END_TIME_OUT,
+
+ /* SCALERC 400 ~ 499 */
+ IS_ERROR_SCALERC_PWRDN_FAIL = 400,
+
+ /* ODC 500 ~ 599 */
+ IS_ERROR_ODC_PWRDN_FAIL = 500,
+
+ /* DIS 600 ~ 699 */
+ IS_ERROR_DIS_PWRDN_FAIL = 600,
+
+ /* TDNR 700 ~ 799 */
+ IS_ERROR_TDNR_PWRDN_FAIL = 700,
+
+ /* SCALERC 800 ~ 899 */
+ IS_ERROR_SCALERP_PWRDN_FAIL = 800,
+
+ /* FD 900 ~ 999 */
+ IS_ERROR_FD_PWRDN_FAIL = 900,
+ IS_ERROR_FD_MULTIPLE_INPUT,
+ IS_ERROR_FD_ABSENT_INPUT,
+ IS_ERROR_FD_NONADJACENT_INPUT,
+ IS_ERROR_LHFD_FRAME_END_TIME_OUT,
+
+ IS_ERROR_UNKNOWN = 1000,
+};
+
+#define IS_ERROR_TIME_OUT_FLAG 0x80000000
+
+/* Set parameter error enum */
+enum fimc_is_error {
+ /* Common error (0~99) */
+ ERROR_COMMON_NONE = 0,
+ ERROR_COMMON_CMD = 1, /* Invalid command */
+ ERROR_COMMON_PARAMETER = 2, /* Invalid parameter */
+ /* setfile is not loaded before adjusting */
+ ERROR_COMMON_SETFILE_LOAD = 3,
+ /* setfile is not Adjusted before runnng. */
+ ERROR_COMMON_SETFILE_ADJUST = 4,
+ /* Index of setfile is not valid (0~MAX_SETFILE_NUM-1) */
+ ERROR_COMMON_SETFILE_INDEX = 5,
+ /* Input path can be changed in ready state(stop) */
+ ERROR_COMMON_INPUT_PATH = 6,
+ /* IP can not start if input path is not set */
+ ERROR_COMMON_INPUT_INIT = 7,
+ /* Output path can be changed in ready state (stop) */
+ ERROR_COMMON_OUTPUT_PATH = 8,
+ /* IP can not start if output path is not set */
+ ERROR_COMMON_OUTPUT_INIT = 9,
+
+ ERROR_CONTROL_NONE = ERROR_COMMON_NONE,
+ ERROR_CONTROL_BYPASS = 11, /* Enable or Disable */
+
+ ERROR_OTF_INPUT_NONE = ERROR_COMMON_NONE,
+ ERROR_OTF_INPUT_CMD = 21,
+ /* invalid format (DRC: YUV444, FD: YUV444, 422, 420) */
+ ERROR_OTF_INPUT_FORMAT = 22,
+ /* invalid width (DRC: 128~8192, FD: 32~8190) */
+ ERROR_OTF_INPUT_WIDTH = 23,
+ /* invalid height (DRC: 64~8192, FD: 16~8190) */
+ ERROR_OTF_INPUT_HEIGHT = 24,
+ /* invalid bit-width (DRC: 8~12bits, FD: 8bit) */
+ ERROR_OTF_INPUT_BIT_WIDTH = 25,
+ /* invalid FrameTime for ISP */
+ ERROR_OTF_INPUT_USER_FRAMETIIME = 26,
+
+ ERROR_DMA_INPUT_NONE = ERROR_COMMON_NONE,
+ /* invalid width (DRC: 128~8192, FD: 32~8190) */
+ ERROR_DMA_INPUT_WIDTH = 31,
+ /* invalid height (DRC: 64~8192, FD: 16~8190) */
+ ERROR_DMA_INPUT_HEIGHT = 32,
+ /* invalid format (DRC: YUV444 or YUV422, FD: YUV444, 422, 420) */
+ ERROR_DMA_INPUT_FORMAT = 33,
+ /* invalid bit-width (DRC: 8~12bit, FD: 8bit) */
+ ERROR_DMA_INPUT_BIT_WIDTH = 34,
+ /* invalid order(DRC: YYCbCrorYCbYCr, FD:NO,YYCbCr,YCbYCr,CbCr,CrCb) */
+ ERROR_DMA_INPUT_ORDER = 35,
+ /* invalid palne (DRC: 3, FD: 1, 2, 3) */
+ ERROR_DMA_INPUT_PLANE = 36,
+
+ ERROR_OTF_OUTPUT_NONE = ERROR_COMMON_NONE,
+ /* invalid width (DRC: 128~8192) */
+ ERROR_OTF_OUTPUT_WIDTH = 41,
+ /* invalid height (DRC: 64~8192) */
+ ERROR_OTF_OUTPUT_HEIGHT = 42,
+ /* invalid format (DRC: YUV444) */
+ ERROR_OTF_OUTPUT_FORMAT = 43,
+ /* invalid bit-width (DRC: 8~12bits) */
+ ERROR_OTF_OUTPUT_BIT_WIDTH = 44,
+
+ ERROR_DMA_OUTPUT_NONE = ERROR_COMMON_NONE,
+ ERROR_DMA_OUTPUT_WIDTH = 51, /* invalid width */
+ ERROR_DMA_OUTPUT_HEIGHT = 52, /* invalid height */
+ ERROR_DMA_OUTPUT_FORMAT = 53, /* invalid format */
+ ERROR_DMA_OUTPUT_BIT_WIDTH = 54, /* invalid bit-width */
+ ERROR_DMA_OUTPUT_PLANE = 55, /* invalid plane */
+ ERROR_DMA_OUTPUT_ORDER = 56, /* invalid order */
+
+ ERROR_GLOBAL_SHOTMODE_NONE = ERROR_COMMON_NONE,
+
+ /* SENSOR Error(100~199) */
+ ERROR_SENSOR_NONE = ERROR_COMMON_NONE,
+ ERROR_SENSOR_I2C_FAIL = 101,
+ ERROR_SENSOR_INVALID_FRAMERATE,
+ ERROR_SENSOR_INVALID_EXPOSURETIME,
+ ERROR_SENSOR_INVALID_SIZE,
+ ERROR_SENSOR_INVALID_SETTING,
+ ERROR_SENSOR_ACTURATOR_INIT_FAIL,
+ ERROR_SENSOR_INVALID_AF_POS,
+ ERROR_SENSOR_UNSUPPORT_FUNC,
+ ERROR_SENSOR_UNSUPPORT_PERI,
+ ERROR_SENSOR_UNSUPPORT_AF,
+
+ /* ISP Error (200~299) */
+ ERROR_ISP_AF_NONE = ERROR_COMMON_NONE,
+ ERROR_ISP_AF_BUSY = 201,
+ ERROR_ISP_AF_INVALID_COMMAND = 202,
+ ERROR_ISP_AF_INVALID_MODE = 203,
+ ERROR_ISP_FLASH_NONE = ERROR_COMMON_NONE,
+ ERROR_ISP_AWB_NONE = ERROR_COMMON_NONE,
+ ERROR_ISP_IMAGE_EFFECT_NONE = ERROR_COMMON_NONE,
+ ERROR_ISP_ISO_NONE = ERROR_COMMON_NONE,
+ ERROR_ISP_ADJUST_NONE = ERROR_COMMON_NONE,
+ ERROR_ISP_METERING_NONE = ERROR_COMMON_NONE,
+ ERROR_ISP_AFC_NONE = ERROR_COMMON_NONE,
+
+ /* DRC Error (300~399) */
+
+ /* FD Error (400~499) */
+ ERROR_FD_NONE = ERROR_COMMON_NONE,
+ /* Invalid max number (1~16) */
+ ERROR_FD_CONFIG_MAX_NUMBER_STATE = 401,
+ ERROR_FD_CONFIG_MAX_NUMBER_INVALID = 402,
+ ERROR_FD_CONFIG_YAW_ANGLE_STATE = 403,
+ ERROR_FD_CONFIG_YAW_ANGLE_INVALID = 404,
+ ERROR_FD_CONFIG_ROLL_ANGLE_STATE = 405,
+ ERROR_FD_CONFIG_ROLL_ANGLE_INVALID = 406,
+ ERROR_FD_CONFIG_SMILE_MODE_INVALID = 407,
+ ERROR_FD_CONFIG_BLINK_MODE_INVALID = 408,
+ ERROR_FD_CONFIG_EYES_DETECT_INVALID = 409,
+ ERROR_FD_CONFIG_MOUTH_DETECT_INVALID = 410,
+ ERROR_FD_CONFIG_ORIENTATION_STATE = 411,
+ ERROR_FD_CONFIG_ORIENTATION_INVALID = 412,
+ ERROR_FD_CONFIG_ORIENTATION_VALUE_INVALID = 413,
+ /* PARAM_FdResultStr can be only applied in ready-state or stream off */
+ ERROR_FD_RESULT = 414,
+ /* PARAM_FdModeStr can be only applied in ready-state or stream off */
+ ERROR_FD_MODE = 415,
+ /* Scaler Error (500 ~ 599) */
+ ERROR_SCALER_NO_NONE = ERROR_COMMON_NONE,
+ ERROR_SCALER_DMA_OUTSEL = 501,
+ ERROR_SCALER_H_RATIO = 502,
+ ERROR_SCALER_V_RATIO = 503,
+
+ ERROR_SCALER_IMAGE_EFFECT = 510,
+
+ ERROR_SCALER_ROTATE = 520,
+ ERROR_SCALER_FLIP = 521,
+};
+
+const char * const fimc_is_strerr(unsigned int error);
+const char * const fimc_is_param_strerr(unsigned int error);
+
+#endif /* FIMC_IS_ERR_H_ */
--- /dev/null
+/*
+ * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
+ *
+ * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Younghwan Joo <yhwan.joo@samsung.com>
+ * 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
+ * published by the Free Software Foundation.
+ */
+#include <linux/delay.h>
+
+#include "fimc-is.h"
+#include "fimc-is-command.h"
+#include "fimc-is-regs.h"
+#include "fimc-is-sensor.h"
+
+void fimc_is_fw_clear_irq1(struct fimc_is *is, unsigned int nr)
+{
+ mcuctl_write(1UL << nr, is, MCUCTL_REG_INTCR1);
+}
+
+void fimc_is_fw_clear_irq2(struct fimc_is *is)
+{
+ u32 cfg = mcuctl_read(is, MCUCTL_REG_INTSR2);
+ mcuctl_write(cfg, is, MCUCTL_REG_INTCR2);
+}
+
+void fimc_is_hw_set_intgr0_gd0(struct fimc_is *is)
+{
+ mcuctl_write(INTGR0_INTGD(0), is, MCUCTL_REG_INTGR0);
+}
+
+int fimc_is_hw_wait_intsr0_intsd0(struct fimc_is *is)
+{
+ unsigned int timeout = 2000;
+ u32 cfg, status;
+
+ cfg = mcuctl_read(is, MCUCTL_REG_INTSR0);
+ status = INTSR0_GET_INTSD(0, cfg);
+
+ while (status) {
+ cfg = mcuctl_read(is, MCUCTL_REG_INTSR0);
+ status = INTSR0_GET_INTSD(0, cfg);
+ if (timeout == 0) {
+ dev_warn(&is->pdev->dev, "%s timeout\n",
+ __func__);
+ return -ETIME;
+ }
+ timeout--;
+ udelay(1);
+ }
+ return 0;
+}
+
+int fimc_is_hw_wait_intmsr0_intmsd0(struct fimc_is *is)
+{
+ unsigned int timeout = 2000;
+ u32 cfg, status;
+
+ cfg = mcuctl_read(is, MCUCTL_REG_INTMSR0);
+ status = INTMSR0_GET_INTMSD(0, cfg);
+
+ while (status) {
+ cfg = mcuctl_read(is, MCUCTL_REG_INTMSR0);
+ status = INTMSR0_GET_INTMSD(0, cfg);
+ if (timeout == 0) {
+ dev_warn(&is->pdev->dev, "%s timeout\n",
+ __func__);
+ return -ETIME;
+ }
+ timeout--;
+ udelay(1);
+ }
+ return 0;
+}
+
+int fimc_is_hw_set_param(struct fimc_is *is)
+{
+ struct is_config_param *cfg = &is->cfg_param[is->scenario_id];
+
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+
+ mcuctl_write(HIC_SET_PARAMETER, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ mcuctl_write(is->scenario_id, is, MCUCTL_REG_ISSR(2));
+
+ mcuctl_write(atomic_read(&cfg->p_region_num), is, MCUCTL_REG_ISSR(3));
+ mcuctl_write(cfg->p_region_index1, is, MCUCTL_REG_ISSR(4));
+ mcuctl_write(cfg->p_region_index2, is, MCUCTL_REG_ISSR(5));
+
+ fimc_is_hw_set_intgr0_gd0(is);
+ return 0;
+}
+
+int fimc_is_hw_set_tune(struct fimc_is *is)
+{
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+
+ mcuctl_write(HIC_SET_TUNE, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ mcuctl_write(is->h2i_cmd.entry_id, is, MCUCTL_REG_ISSR(2));
+
+ fimc_is_hw_set_intgr0_gd0(is);
+ return 0;
+}
+
+#define FIMC_IS_MAX_PARAMS 4
+
+int fimc_is_hw_get_params(struct fimc_is *is, unsigned int num_args)
+{
+ int i;
+
+ if (num_args > FIMC_IS_MAX_PARAMS)
+ return -EINVAL;
+
+ is->i2h_cmd.num_args = num_args;
+
+ for (i = 0; i < FIMC_IS_MAX_PARAMS; i++) {
+ if (i < num_args)
+ is->i2h_cmd.args[i] = mcuctl_read(is,
+ MCUCTL_REG_ISSR(12 + i));
+ else
+ is->i2h_cmd.args[i] = 0;
+ }
+ return 0;
+}
+
+void fimc_is_hw_set_sensor_num(struct fimc_is *is)
+{
+ pr_debug("setting sensor index to: %d\n", is->sensor_index);
+
+ mcuctl_write(IH_REPLY_DONE, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ mcuctl_write(IHC_GET_SENSOR_NUM, is, MCUCTL_REG_ISSR(2));
+ mcuctl_write(FIMC_IS_SENSOR_NUM, is, MCUCTL_REG_ISSR(3));
+}
+
+void fimc_is_hw_close_sensor(struct fimc_is *is, unsigned int index)
+{
+ if (is->sensor_index != index)
+ return;
+
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+ mcuctl_write(HIC_CLOSE_SENSOR, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(2));
+ fimc_is_hw_set_intgr0_gd0(is);
+}
+
+void fimc_is_hw_get_setfile_addr(struct fimc_is *is)
+{
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+ mcuctl_write(HIC_GET_SET_FILE_ADDR, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ fimc_is_hw_set_intgr0_gd0(is);
+}
+
+void fimc_is_hw_load_setfile(struct fimc_is *is)
+{
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+ mcuctl_write(HIC_LOAD_SET_FILE, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ fimc_is_hw_set_intgr0_gd0(is);
+}
+
+int fimc_is_hw_change_mode(struct fimc_is *is)
+{
+ const u8 cmd[] = {
+ HIC_PREVIEW_STILL, HIC_PREVIEW_VIDEO,
+ HIC_CAPTURE_STILL, HIC_CAPTURE_VIDEO,
+ };
+
+ if (WARN_ON(is->scenario_id > ARRAY_SIZE(cmd)))
+ return -EINVAL;
+
+ mcuctl_write(cmd[is->scenario_id], is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ mcuctl_write(is->setfile.sub_index, is, MCUCTL_REG_ISSR(2));
+ fimc_is_hw_set_intgr0_gd0(is);
+ return 0;
+}
+
+void fimc_is_hw_stream_on(struct fimc_is *is)
+{
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+ mcuctl_write(HIC_STREAM_ON, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ mcuctl_write(0, is, MCUCTL_REG_ISSR(2));
+ fimc_is_hw_set_intgr0_gd0(is);
+}
+
+void fimc_is_hw_stream_off(struct fimc_is *is)
+{
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+ mcuctl_write(HIC_STREAM_OFF, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ fimc_is_hw_set_intgr0_gd0(is);
+}
+
+void fimc_is_hw_subip_power_off(struct fimc_is *is)
+{
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+ mcuctl_write(HIC_POWER_DOWN, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ fimc_is_hw_set_intgr0_gd0(is);
+}
+
+int fimc_is_itf_s_param(struct fimc_is *is, bool update)
+{
+ int ret;
+
+ if (update)
+ __is_hw_update_params(is);
+
+ fimc_is_mem_barrier();
+
+ clear_bit(IS_ST_BLOCK_CMD_CLEARED, &is->state);
+ fimc_is_hw_set_param(is);
+ ret = fimc_is_wait_event(is, IS_ST_BLOCK_CMD_CLEARED, 1,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0)
+ dev_err(&is->pdev->dev, "%s() timeout\n", __func__);
+
+ return ret;
+}
+
+int fimc_is_itf_mode_change(struct fimc_is *is)
+{
+ int ret;
+
+ clear_bit(IS_ST_CHANGE_MODE, &is->state);
+ fimc_is_hw_change_mode(is);
+ ret = fimc_is_wait_event(is, IS_ST_CHANGE_MODE, 1,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (!ret < 0)
+ dev_err(&is->pdev->dev, "%s(): mode change (%d) timeout\n",
+ __func__, is->scenario_id);
+ return ret;
+}
--- /dev/null
+/*
+ * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
+ * Younghwan Joo <yhwan.joo@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
+ * published by the Free Software Foundation.
+ */
+#ifndef FIMC_IS_REG_H_
+#define FIMC_IS_REG_H_
+
+/* WDT_ISP register */
+#define REG_WDT_ISP 0x00170000
+
+/* MCUCTL registers base offset */
+#define MCUCTL_BASE 0x00180000
+
+/* MCU Controller Register */
+#define MCUCTL_REG_MCUCTRL (MCUCTL_BASE + 0x00)
+#define MCUCTRL_MSWRST (1 << 0)
+
+/* Boot Base Offset Address Register */
+#define MCUCTL_REG_BBOAR (MCUCTL_BASE + 0x04)
+
+/* Interrupt Generation Register 0 from Host CPU to VIC */
+#define MCUCTL_REG_INTGR0 (MCUCTL_BASE + 0x08)
+/* __n = 0...9 */
+#define INTGR0_INTGC(__n) (1 << ((__n) + 16))
+/* __n = 0...5 */
+#define INTGR0_INTGD(__n) (1 << (__n))
+
+/* Interrupt Clear Register 0 from Host CPU to VIC */
+#define MCUCTL_REG_INTCR0 (MCUCTL_BASE + 0x0c)
+/* __n = 0...9 */
+#define INTCR0_INTGC(__n) (1 << ((__n) + 16))
+/* __n = 0...5 */
+#define INTCR0_INTCD(__n) (1 << ((__n) + 16))
+
+/* Interrupt Mask Register 0 from Host CPU to VIC */
+#define MCUCTL_REG_INTMR0 (MCUCTL_BASE + 0x10)
+/* __n = 0...9 */
+#define INTMR0_INTMC(__n) (1 << ((__n) + 16))
+/* __n = 0...5 */
+#define INTMR0_INTMD(__n) (1 << (__n))
+
+/* Interrupt Status Register 0 from Host CPU to VIC */
+#define MCUCTL_REG_INTSR0 (MCUCTL_BASE + 0x14)
+/* __n (bit number) = 0...4 */
+#define INTSR0_GET_INTSD(x, __n) (((x) >> (__n)) & 0x1)
+/* __n (bit number) = 0...9 */
+#define INTSR0_GET_INTSC(x, __n) (((x) >> ((__n) + 16)) & 0x1)
+
+/* Interrupt Mask Status Register 0 from Host CPU to VIC */
+#define MCUCTL_REG_INTMSR0 (MCUCTL_BASE + 0x18)
+/* __n (bit number) = 0...4 */
+#define INTMSR0_GET_INTMSD(x, __n) (((x) >> (__n)) & 0x1)
+/* __n (bit number) = 0...9 */
+#define INTMSR0_GET_INTMSC(x, __n) (((x) >> ((__n) + 16)) & 0x1)
+
+/* Interrupt Generation Register 1 from ISP CPU to Host IC */
+#define MCUCTL_REG_INTGR1 (MCUCTL_BASE + 0x1c)
+/* __n = 0...9 */
+#define INTGR1_INTGC(__n) (1 << (__n))
+
+/* Interrupt Clear Register 1 from ISP CPU to Host IC */
+#define MCUCTL_REG_INTCR1 (MCUCTL_BASE + 0x20)
+/* __n = 0...9 */
+#define INTCR1_INTCC(__n) (1 << (__n))
+
+/* Interrupt Mask Register 1 from ISP CPU to Host IC */
+#define MCUCTL_REG_INTMR1 (MCUCTL_BASE + 0x24)
+/* __n = 0...9 */
+#define INTMR1_INTMC(__n) (1 << (__n))
+
+/* Interrupt Status Register 1 from ISP CPU to Host IC */
+#define MCUCTL_REG_INTSR1 (MCUCTL_BASE + 0x28)
+/* Interrupt Mask Status Register 1 from ISP CPU to Host IC */
+#define MCUCTL_REG_INTMSR1 (MCUCTL_BASE + 0x2c)
+
+/* Interrupt Clear Register 2 from ISP BLK's interrupts to Host IC */
+#define MCUCTL_REG_INTCR2 (MCUCTL_BASE + 0x30)
+/* __n = 0...5 */
+#define INTCR2_INTCC(__n) (1 << ((__n) + 16))
+
+/* Interrupt Mask Register 2 from ISP BLK's interrupts to Host IC */
+#define MCUCTL_REG_INTMR2 (MCUCTL_BASE + 0x34)
+/* __n = 0...25 */
+#define INTMR2_INTMCIS(__n) (1 << (__n))
+
+/* Interrupt Status Register 2 from ISP BLK's interrupts to Host IC */
+#define MCUCTL_REG_INTSR2 (MCUCTL_BASE + 0x38)
+/* Interrupt Mask Status Register 2 from ISP BLK's interrupts to Host IC */
+#define MCUCTL_REG_INTMSR2 (MCUCTL_BASE + 0x3c)
+
+/* General Purpose Output Control Register (0~17) */
+#define MCUCTL_REG_GPOCTLR (MCUCTL_BASE + 0x40)
+/* __n = 0...17 */
+#define GPOCTLR_GPOG(__n) (1 << (__n))
+
+/* General Purpose Pad Output Enable Register (0~17) */
+#define MCUCTL_REG_GPOENCTLR (MCUCTL_BASE + 0x44)
+/* __n = 0...17 */
+#define GPOENCTLR_GPOEN(__n) (1 << (__n))
+
+/* General Purpose Input Control Register (0~17) */
+#define MCUCTL_REG_GPICTLR (MCUCTL_BASE + 0x48)
+
+/* Shared registers between ISP CPU and the host CPU - ISSRxx */
+
+/* ISSR(1): Command Host -> IS */
+/* ISSR(1): Sensor ID for Command, ISSR2...5 = Parameter 1...4 */
+
+/* ISSR(10): Reply IS -> Host */
+/* ISSR(11): Sensor ID for Reply, ISSR12...15 = Parameter 1...4 */
+
+/* ISSR(20): ISP_FRAME_DONE : SENSOR ID */
+/* ISSR(21): ISP_FRAME_DONE : PARAMETER 1 */
+
+/* ISSR(24): SCALERC_FRAME_DONE : SENSOR ID */
+/* ISSR(25): SCALERC_FRAME_DONE : PARAMETER 1 */
+
+/* ISSR(28): 3DNR_FRAME_DONE : SENSOR ID */
+/* ISSR(29): 3DNR_FRAME_DONE : PARAMETER 1 */
+
+/* ISSR(32): SCALERP_FRAME_DONE : SENSOR ID */
+/* ISSR(33): SCALERP_FRAME_DONE : PARAMETER 1 */
+
+/* __n = 0...63 */
+#define MCUCTL_REG_ISSR(__n) (MCUCTL_BASE + 0x80 + ((__n) * 4))
+
+/* PMU ISP register offsets */
+#define REG_CMU_RESET_ISP_SYS_PWR_REG 0x1174
+#define REG_CMU_SYSCLK_ISP_SYS_PWR_REG 0x13b8
+#define REG_PMU_ISP_ARM_SYS 0x1050
+#define REG_PMU_ISP_ARM_CONFIGURATION 0x2280
+#define REG_PMU_ISP_ARM_STATUS 0x2284
+#define REG_PMU_ISP_ARM_OPTION 0x2288
+
+void fimc_is_fw_clear_irq1(struct fimc_is *is, unsigned int bit);
+void fimc_is_fw_clear_irq2(struct fimc_is *is);
+int fimc_is_hw_get_params(struct fimc_is *is, unsigned int num);
+
+void fimc_is_hw_set_intgr0_gd0(struct fimc_is *is);
+int fimc_is_hw_wait_intsr0_intsd0(struct fimc_is *is);
+int fimc_is_hw_wait_intmsr0_intmsd0(struct fimc_is *is);
+void fimc_is_hw_set_sensor_num(struct fimc_is *is);
+void fimc_is_hw_stream_on(struct fimc_is *is);
+void fimc_is_hw_stream_off(struct fimc_is *is);
+int fimc_is_hw_set_param(struct fimc_is *is);
+int fimc_is_hw_change_mode(struct fimc_is *is);
+
+void fimc_is_hw_close_sensor(struct fimc_is *is, unsigned int index);
+void fimc_is_hw_get_setfile_addr(struct fimc_is *is);
+void fimc_is_hw_load_setfile(struct fimc_is *is);
+void fimc_is_hw_subip_power_off(struct fimc_is *is);
+
+int fimc_is_itf_s_param(struct fimc_is *is, bool update);
+int fimc_is_itf_mode_change(struct fimc_is *is);
+
+#endif /* FIMC_IS_REG_H_ */
--- /dev/null
+/*
+ * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
+ * Younghwan Joo <yhwan.joo@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
+ * published by the Free Software Foundation.
+ */
+#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__
+
+#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/dma-contiguous.h>
+#include <linux/errno.h>
+#include <linux/firmware.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_i2c.h>
+#include <linux/of_irq.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-of.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "media-dev.h"
+#include "fimc-is.h"
+#include "fimc-is-command.h"
+#include "fimc-is-errno.h"
+#include "fimc-is-i2c.h"
+#include "fimc-is-param.h"
+#include "fimc-is-regs.h"
+
+
+static char *fimc_is_clocks[ISS_CLKS_MAX] = {
+ [ISS_CLK_PPMUISPX] = "ppmuispx",
+ [ISS_CLK_PPMUISPMX] = "ppmuispmx",
+ [ISS_CLK_LITE0] = "lite0",
+ [ISS_CLK_LITE1] = "lite1",
+ [ISS_CLK_MPLL] = "mpll",
+ [ISS_CLK_SYSREG] = "sysreg",
+ [ISS_CLK_ISP] = "isp",
+ [ISS_CLK_DRC] = "drc",
+ [ISS_CLK_FD] = "fd",
+ [ISS_CLK_MCUISP] = "mcuisp",
+ [ISS_CLK_UART] = "uart",
+ [ISS_CLK_ISP_DIV0] = "ispdiv0",
+ [ISS_CLK_ISP_DIV1] = "ispdiv1",
+ [ISS_CLK_MCUISP_DIV0] = "mcuispdiv0",
+ [ISS_CLK_MCUISP_DIV1] = "mcuispdiv1",
+ [ISS_CLK_ACLK200] = "aclk200",
+ [ISS_CLK_ACLK200_DIV] = "div_aclk200",
+ [ISS_CLK_ACLK400MCUISP] = "aclk400mcuisp",
+ [ISS_CLK_ACLK400MCUISP_DIV] = "div_aclk400mcuisp",
+};
+
+static void fimc_is_put_clocks(struct fimc_is *is)
+{
+ int i;
+
+ for (i = 0; i < ISS_CLKS_MAX; i++) {
+ if (IS_ERR(is->clocks[i]))
+ continue;
+ clk_unprepare(is->clocks[i]);
+ clk_put(is->clocks[i]);
+ is->clocks[i] = ERR_PTR(-EINVAL);
+ }
+}
+
+static int fimc_is_get_clocks(struct fimc_is *is)
+{
+ int i, ret;
+
+ for (i = 0; i < ISS_CLKS_MAX; i++)
+ is->clocks[i] = ERR_PTR(-EINVAL);
+
+ for (i = 0; i < ISS_CLKS_MAX; i++) {
+ is->clocks[i] = clk_get(&is->pdev->dev, fimc_is_clocks[i]);
+ if (IS_ERR(is->clocks[i])) {
+ ret = PTR_ERR(is->clocks[i]);
+ goto err;
+ }
+ ret = clk_prepare(is->clocks[i]);
+ if (ret < 0) {
+ clk_put(is->clocks[i]);
+ is->clocks[i] = ERR_PTR(-EINVAL);
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ fimc_is_put_clocks(is);
+ dev_err(&is->pdev->dev, "failed to get clock: %s\n",
+ fimc_is_clocks[i]);
+ return -ENXIO;
+}
+
+static int fimc_is_setup_clocks(struct fimc_is *is)
+{
+ int ret;
+
+ ret = clk_set_parent(is->clocks[ISS_CLK_ACLK200],
+ is->clocks[ISS_CLK_ACLK200_DIV]);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_set_parent(is->clocks[ISS_CLK_ACLK400MCUISP],
+ is->clocks[ISS_CLK_ACLK400MCUISP_DIV]);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_set_rate(is->clocks[ISS_CLK_ISP_DIV0], ACLK_AXI_FREQUENCY);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_set_rate(is->clocks[ISS_CLK_ISP_DIV1], ACLK_AXI_FREQUENCY);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_set_rate(is->clocks[ISS_CLK_MCUISP_DIV0],
+ ATCLK_MCUISP_FREQUENCY);
+ if (ret < 0)
+ return ret;
+
+ return clk_set_rate(is->clocks[ISS_CLK_MCUISP_DIV1],
+ ATCLK_MCUISP_FREQUENCY);
+}
+
+int fimc_is_enable_clocks(struct fimc_is *is)
+{
+ int i, ret;
+
+ for (i = 0; i < ISS_GATE_CLKS_MAX; i++) {
+ if (IS_ERR(is->clocks[i]))
+ continue;
+ ret = clk_enable(is->clocks[i]);
+ if (ret < 0) {
+ dev_err(&is->pdev->dev, "clock %s enable failed\n",
+ fimc_is_clocks[i]);
+ for (--i; i >= 0; i--)
+ clk_disable(is->clocks[i]);
+ return ret;
+ }
+ pr_debug("enabled clock: %s\n", fimc_is_clocks[i]);
+ }
+ return 0;
+}
+
+void fimc_is_disable_clocks(struct fimc_is *is)
+{
+ int i;
+
+ for (i = 0; i < ISS_GATE_CLKS_MAX; i++) {
+ if (!IS_ERR(is->clocks[i])) {
+ clk_disable(is->clocks[i]);
+ pr_debug("disabled clock: %s\n", fimc_is_clocks[i]);
+ }
+ }
+}
+
+static int fimc_is_parse_sensor_config(struct fimc_is_sensor *sensor,
+ struct device_node *np)
+{
+ u32 tmp = 0;
+ int ret;
+
+ np = v4l2_of_get_next_endpoint(np, NULL);
+ if (!np)
+ return -ENXIO;
+ np = v4l2_of_get_remote_port(np);
+ if (!np)
+ return -ENXIO;
+
+ /* Use MIPI-CSIS channel id to determine the ISP I2C bus index. */
+ ret = of_property_read_u32(np, "reg", &tmp);
+ sensor->i2c_bus = tmp - FIMC_INPUT_MIPI_CSI2_0;
+
+ return ret;
+}
+
+static int fimc_is_register_subdevs(struct fimc_is *is)
+{
+ struct device_node *adapter, *child;
+ int ret;
+
+ ret = fimc_isp_subdev_create(&is->isp);
+ if (ret < 0)
+ return ret;
+
+ for_each_compatible_node(adapter, NULL, FIMC_IS_I2C_COMPATIBLE) {
+ if (!of_find_device_by_node(adapter)) {
+ of_node_put(adapter);
+ return -EPROBE_DEFER;
+ }
+
+ for_each_available_child_of_node(adapter, child) {
+ struct i2c_client *client;
+ struct v4l2_subdev *sd;
+
+ client = of_find_i2c_device_by_node(child);
+ if (!client)
+ goto e_retry;
+
+ sd = i2c_get_clientdata(client);
+ if (!sd)
+ goto e_retry;
+
+ /* FIXME: Add support for multiple sensors. */
+ if (WARN_ON(is->sensor))
+ continue;
+
+ is->sensor = v4l2_get_subdevdata(sd);
+
+ if (fimc_is_parse_sensor_config(is->sensor, child)) {
+ dev_warn(&is->pdev->dev, "DT parse error: %s\n",
+ child->full_name);
+ }
+ pr_debug("%s(): registered subdev: %p\n",
+ __func__, sd->name);
+ }
+ }
+ return 0;
+
+e_retry:
+ of_node_put(child);
+ return -EPROBE_DEFER;
+}
+
+static int fimc_is_unregister_subdevs(struct fimc_is *is)
+{
+ fimc_isp_subdev_destroy(&is->isp);
+ is->sensor = NULL;
+ return 0;
+}
+
+static int fimc_is_load_setfile(struct fimc_is *is, char *file_name)
+{
+ const struct firmware *fw;
+ void *buf;
+ int ret;
+
+ ret = request_firmware(&fw, file_name, &is->pdev->dev);
+ if (ret < 0) {
+ dev_err(&is->pdev->dev, "firmware request failed (%d)\n", ret);
+ return ret;
+ }
+ buf = is->memory.vaddr + is->setfile.base;
+ memcpy(buf, fw->data, fw->size);
+ fimc_is_mem_barrier();
+ is->setfile.size = fw->size;
+
+ pr_debug("mem vaddr: %p, setfile buf: %p\n", is->memory.vaddr, buf);
+
+ memcpy(is->fw.setfile_info,
+ fw->data + fw->size - FIMC_IS_SETFILE_INFO_LEN,
+ FIMC_IS_SETFILE_INFO_LEN - 1);
+
+ is->fw.setfile_info[FIMC_IS_SETFILE_INFO_LEN - 1] = '\0';
+ is->setfile.state = 1;
+
+ pr_debug("FIMC-IS setfile loaded: base: %#x, size: %zu B\n",
+ is->setfile.base, fw->size);
+
+ release_firmware(fw);
+ return ret;
+}
+
+int fimc_is_cpu_set_power(struct fimc_is *is, int on)
+{
+ unsigned int timeout = FIMC_IS_POWER_ON_TIMEOUT;
+
+ if (on) {
+ /* Disable watchdog */
+ mcuctl_write(0, is, REG_WDT_ISP);
+
+ /* Cortex-A5 start address setting */
+ mcuctl_write(is->memory.paddr, is, MCUCTL_REG_BBOAR);
+
+ /* Enable and start Cortex-A5 */
+ pmuisp_write(0x18000, is, REG_PMU_ISP_ARM_OPTION);
+ pmuisp_write(0x1, is, REG_PMU_ISP_ARM_CONFIGURATION);
+ } else {
+ /* A5 power off */
+ pmuisp_write(0x10000, is, REG_PMU_ISP_ARM_OPTION);
+ pmuisp_write(0x0, is, REG_PMU_ISP_ARM_CONFIGURATION);
+
+ while (pmuisp_read(is, REG_PMU_ISP_ARM_STATUS) & 1) {
+ if (timeout == 0)
+ return -ETIME;
+ timeout--;
+ udelay(1);
+ }
+ }
+
+ return 0;
+}
+
+/* Wait until @bit of @is->state is set to @state in the interrupt handler. */
+int fimc_is_wait_event(struct fimc_is *is, unsigned long bit,
+ unsigned int state, unsigned int timeout)
+{
+
+ int ret = wait_event_timeout(is->irq_queue,
+ !state ^ test_bit(bit, &is->state),
+ timeout);
+ if (ret == 0) {
+ dev_WARN(&is->pdev->dev, "%s() timed out\n", __func__);
+ return -ETIME;
+ }
+ return 0;
+}
+
+int fimc_is_start_firmware(struct fimc_is *is)
+{
+ struct device *dev = &is->pdev->dev;
+ int ret;
+
+ memcpy(is->memory.vaddr, is->fw.f_w->data, is->fw.f_w->size);
+ wmb();
+
+ ret = fimc_is_cpu_set_power(is, 1);
+ if (ret < 0)
+ return ret;
+
+ ret = fimc_is_wait_event(is, IS_ST_A5_PWR_ON, 1,
+ msecs_to_jiffies(FIMC_IS_FW_LOAD_TIMEOUT));
+ if (ret < 0)
+ dev_err(dev, "FIMC-IS CPU power on failed\n");
+
+ return ret;
+}
+
+/* Allocate working memory for the FIMC-IS CPU. */
+static int fimc_is_alloc_cpu_memory(struct fimc_is *is)
+{
+ struct device *dev = &is->pdev->dev;
+
+ is->memory.vaddr = dma_alloc_coherent(dev, FIMC_IS_CPU_MEM_SIZE,
+ &is->memory.paddr, GFP_KERNEL);
+ if (is->memory.vaddr == NULL)
+ return -ENOMEM;
+
+ is->memory.size = FIMC_IS_CPU_MEM_SIZE;
+ memset(is->memory.vaddr, 0, is->memory.size);
+
+ dev_info(dev, "FIMC-IS CPU memory base: %#x\n", (u32)is->memory.paddr);
+
+ if (((u32)is->memory.paddr) & FIMC_IS_FW_ADDR_MASK) {
+ dev_err(dev, "invalid firmware memory alignment: %#x\n",
+ (u32)is->memory.paddr);
+ dma_free_coherent(dev, is->memory.size, is->memory.vaddr,
+ is->memory.paddr);
+ return -EIO;
+ }
+
+ is->is_p_region = (struct is_region *)(is->memory.vaddr +
+ FIMC_IS_CPU_MEM_SIZE - FIMC_IS_REGION_SIZE);
+
+ is->is_dma_p_region = is->memory.paddr +
+ FIMC_IS_CPU_MEM_SIZE - FIMC_IS_REGION_SIZE;
+
+ is->is_shared_region = (struct is_share_region *)(is->memory.vaddr +
+ FIMC_IS_SHARED_REGION_OFFSET);
+ return 0;
+}
+
+static void fimc_is_free_cpu_memory(struct fimc_is *is)
+{
+ struct device *dev = &is->pdev->dev;
+
+ dma_free_coherent(dev, is->memory.size, is->memory.vaddr,
+ is->memory.paddr);
+}
+
+static void fimc_is_load_firmware(const struct firmware *fw, void *context)
+{
+ struct fimc_is *is = context;
+ struct device *dev = &is->pdev->dev;
+ void *buf;
+ int ret;
+
+ if (fw == NULL) {
+ dev_err(dev, "firmware request failed\n");
+ return;
+ }
+ mutex_lock(&is->lock);
+
+ if (fw->size < FIMC_IS_FW_SIZE_MIN || fw->size > FIMC_IS_FW_SIZE_MAX) {
+ dev_err(dev, "wrong firmware size: %d\n", fw->size);
+ goto done;
+ }
+
+ is->fw.size = fw->size;
+
+ ret = fimc_is_alloc_cpu_memory(is);
+ if (ret < 0) {
+ dev_err(dev, "failed to allocate FIMC-IS CPU memory\n");
+ goto done;
+ }
+
+ memcpy(is->memory.vaddr, fw->data, fw->size);
+ wmb();
+
+ /* Read firmware description. */
+ buf = (void *)(is->memory.vaddr + fw->size - FIMC_IS_FW_DESC_LEN);
+ memcpy(&is->fw.info, buf, FIMC_IS_FW_INFO_LEN);
+ is->fw.info[FIMC_IS_FW_INFO_LEN] = 0;
+
+ buf = (void *)(is->memory.vaddr + fw->size - FIMC_IS_FW_VER_LEN);
+ memcpy(&is->fw.version, buf, FIMC_IS_FW_VER_LEN);
+ is->fw.version[FIMC_IS_FW_VER_LEN - 1] = 0;
+
+ is->fw.state = 1;
+
+ dev_info(dev, "loaded firmware: %s, rev. %s\n",
+ is->fw.info, is->fw.version);
+ dev_dbg(dev, "FW size: %d, paddr: %#x\n", fw->size, is->memory.paddr);
+
+ is->is_shared_region->chip_id = 0xe4412;
+ is->is_shared_region->chip_rev_no = 1;
+
+ fimc_is_mem_barrier();
+
+ /*
+ * FIXME: The firmware is not being released for now, as it is
+ * needed around for copying to the IS working memory every
+ * time before the Cortex-A5 is restarted.
+ */
+ if (is->fw.f_w)
+ release_firmware(is->fw.f_w);
+ is->fw.f_w = fw;
+done:
+ mutex_unlock(&is->lock);
+}
+
+static int fimc_is_request_firmware(struct fimc_is *is, const char *fw_name)
+{
+ return request_firmware_nowait(THIS_MODULE,
+ FW_ACTION_HOTPLUG, fw_name, &is->pdev->dev,
+ GFP_KERNEL, is, fimc_is_load_firmware);
+}
+
+/* General IS interrupt handler */
+static void fimc_is_general_irq_handler(struct fimc_is *is)
+{
+ is->i2h_cmd.cmd = mcuctl_read(is, MCUCTL_REG_ISSR(10));
+
+ switch (is->i2h_cmd.cmd) {
+ case IHC_GET_SENSOR_NUM:
+ fimc_is_hw_get_params(is, 1);
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+ fimc_is_hw_set_sensor_num(is);
+ pr_debug("ISP FW version: %#x\n", is->i2h_cmd.args[0]);
+ break;
+ case IHC_SET_FACE_MARK:
+ case IHC_FRAME_DONE:
+ fimc_is_hw_get_params(is, 2);
+ break;
+ case IHC_SET_SHOT_MARK:
+ case IHC_AA_DONE:
+ case IH_REPLY_DONE:
+ fimc_is_hw_get_params(is, 3);
+ break;
+ case IH_REPLY_NOT_DONE:
+ fimc_is_hw_get_params(is, 4);
+ break;
+ case IHC_NOT_READY:
+ break;
+ default:
+ pr_info("unknown command: %#x\n", is->i2h_cmd.cmd);
+ }
+
+ fimc_is_fw_clear_irq1(is, FIMC_IS_INT_GENERAL);
+
+ switch (is->i2h_cmd.cmd) {
+ case IHC_GET_SENSOR_NUM:
+ fimc_is_hw_set_intgr0_gd0(is);
+ set_bit(IS_ST_A5_PWR_ON, &is->state);
+ break;
+
+ case IHC_SET_SHOT_MARK:
+ break;
+
+ case IHC_SET_FACE_MARK:
+ is->fd_header.count = is->i2h_cmd.args[0];
+ is->fd_header.index = is->i2h_cmd.args[1];
+ is->fd_header.offset = 0;
+ break;
+
+ case IHC_FRAME_DONE:
+ break;
+
+ case IHC_AA_DONE:
+ pr_debug("AA_DONE - %d, %d, %d\n", is->i2h_cmd.args[0],
+ is->i2h_cmd.args[1], is->i2h_cmd.args[2]);
+ break;
+
+ case IH_REPLY_DONE:
+ pr_debug("ISR_DONE: args[0]: %#x\n", is->i2h_cmd.args[0]);
+
+ switch (is->i2h_cmd.args[0]) {
+ case HIC_PREVIEW_STILL...HIC_CAPTURE_VIDEO:
+ /* Get CAC margin */
+ set_bit(IS_ST_CHANGE_MODE, &is->state);
+ is->isp.cac_margin_x = is->i2h_cmd.args[1];
+ is->isp.cac_margin_y = is->i2h_cmd.args[2];
+ pr_debug("CAC margin (x,y): (%d,%d)\n",
+ is->isp.cac_margin_x, is->isp.cac_margin_y);
+ break;
+
+ case HIC_STREAM_ON:
+ clear_bit(IS_ST_STREAM_OFF, &is->state);
+ set_bit(IS_ST_STREAM_ON, &is->state);
+ break;
+
+ case HIC_STREAM_OFF:
+ clear_bit(IS_ST_STREAM_ON, &is->state);
+ set_bit(IS_ST_STREAM_OFF, &is->state);
+ break;
+
+ case HIC_SET_PARAMETER:
+ is->cfg_param[is->scenario_id].p_region_index1 = 0;
+ is->cfg_param[is->scenario_id].p_region_index2 = 0;
+ atomic_set(&is->cfg_param[is->scenario_id].p_region_num, 0);
+ set_bit(IS_ST_BLOCK_CMD_CLEARED, &is->state);
+ pr_debug("HIC_SET_PARAMETER\n");
+ break;
+
+ case HIC_GET_PARAMETER:
+ break;
+
+ case HIC_SET_TUNE:
+ break;
+
+ case HIC_GET_STATUS:
+ break;
+
+ case HIC_OPEN_SENSOR:
+ set_bit(IS_ST_OPEN_SENSOR, &is->state);
+ pr_debug("data lanes: %d, settle line: %d\n",
+ is->i2h_cmd.args[2], is->i2h_cmd.args[1]);
+ break;
+
+ case HIC_CLOSE_SENSOR:
+ clear_bit(IS_ST_OPEN_SENSOR, &is->state);
+ is->sensor_index = 0;
+ break;
+
+ case HIC_MSG_TEST:
+ pr_debug("config MSG level completed\n");
+ break;
+
+ case HIC_POWER_DOWN:
+ clear_bit(IS_ST_PWR_SUBIP_ON, &is->state);
+ break;
+
+ case HIC_GET_SET_FILE_ADDR:
+ is->setfile.base = is->i2h_cmd.args[1];
+ set_bit(IS_ST_SETFILE_LOADED, &is->state);
+ break;
+
+ case HIC_LOAD_SET_FILE:
+ set_bit(IS_ST_SETFILE_LOADED, &is->state);
+ break;
+ }
+ break;
+
+ case IH_REPLY_NOT_DONE:
+ pr_err("ISR_NDONE: %d: %#x, %s\n", is->i2h_cmd.args[0],
+ is->i2h_cmd.args[1],
+ fimc_is_strerr(is->i2h_cmd.args[1]));
+
+ if (is->i2h_cmd.args[1] & IS_ERROR_TIME_OUT_FLAG)
+ pr_err("IS_ERROR_TIME_OUT\n");
+
+ switch (is->i2h_cmd.args[1]) {
+ case IS_ERROR_SET_PARAMETER:
+ fimc_is_mem_barrier();
+ }
+
+ switch (is->i2h_cmd.args[0]) {
+ case HIC_SET_PARAMETER:
+ is->cfg_param[is->scenario_id].p_region_index1 = 0;
+ is->cfg_param[is->scenario_id].p_region_index2 = 0;
+ atomic_set(&is->cfg_param[is->scenario_id].p_region_num, 0);
+ set_bit(IS_ST_BLOCK_CMD_CLEARED, &is->state);
+ break;
+ }
+ break;
+
+ case IHC_NOT_READY:
+ pr_err("IS control sequence error: Not Ready\n");
+ break;
+ }
+
+ wake_up(&is->irq_queue);
+}
+
+static irqreturn_t fimc_is_irq_handler(int irq, void *priv)
+{
+ struct fimc_is *is = priv;
+ unsigned long flags;
+ u32 status;
+
+ spin_lock_irqsave(&is->slock, flags);
+ status = mcuctl_read(is, MCUCTL_REG_INTSR1);
+
+ if (status & (1UL << FIMC_IS_INT_GENERAL))
+ fimc_is_general_irq_handler(is);
+
+ if (status & (1UL << FIMC_IS_INT_FRAME_DONE_ISP))
+ fimc_isp_irq_handler(is);
+
+ spin_unlock_irqrestore(&is->slock, flags);
+ return IRQ_HANDLED;
+}
+
+static int fimc_is_hw_open_sensor(struct fimc_is *is,
+ struct fimc_is_sensor *sensor)
+{
+ struct sensor_open_extended *soe = (void *)&is->is_p_region->shared;
+
+ fimc_is_hw_wait_intmsr0_intmsd0(is);
+
+ soe->self_calibration_mode = 1;
+ soe->actuator_type = 0;
+ soe->mipi_lane_num = 0;
+ soe->mclk = 0;
+ soe->mipi_speed = 0;
+ soe->fast_open_sensor = 0;
+ soe->i2c_sclk = 88000000;
+
+ fimc_is_mem_barrier();
+
+ mcuctl_write(HIC_OPEN_SENSOR, is, MCUCTL_REG_ISSR(0));
+ mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
+ mcuctl_write(sensor->drvdata->id, is, MCUCTL_REG_ISSR(2));
+ mcuctl_write(sensor->i2c_bus, is, MCUCTL_REG_ISSR(3));
+ mcuctl_write(is->is_dma_p_region, is, MCUCTL_REG_ISSR(4));
+
+ fimc_is_hw_set_intgr0_gd0(is);
+
+ return fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 1,
+ FIMC_IS_SENSOR_OPEN_TIMEOUT);
+}
+
+
+int fimc_is_hw_initialize(struct fimc_is *is)
+{
+ const int scenario_ids[] = {
+ IS_SC_PREVIEW_STILL, IS_SC_PREVIEW_VIDEO,
+ IS_SC_CAPTURE_STILL, IS_SC_CAPTURE_VIDEO
+ };
+ struct device *dev = &is->pdev->dev;
+ u32 prev_id;
+ int i, ret;
+
+ /* Sensor initialization. */
+ ret = fimc_is_hw_open_sensor(is, is->sensor);
+ if (ret < 0)
+ return ret;
+
+ /* Get the setfile address. */
+ fimc_is_hw_get_setfile_addr(is);
+
+ ret = fimc_is_wait_event(is, IS_ST_SETFILE_LOADED, 1,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0) {
+ dev_err(dev, "get setfile address timed out\n");
+ return ret;
+ }
+ pr_debug("setfile.base: %#x\n", is->setfile.base);
+
+ /* Load the setfile. */
+ fimc_is_load_setfile(is, FIMC_IS_SETFILE_6A3);
+ clear_bit(IS_ST_SETFILE_LOADED, &is->state);
+ fimc_is_hw_load_setfile(is);
+ ret = fimc_is_wait_event(is, IS_ST_SETFILE_LOADED, 1,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0) {
+ dev_err(dev, "loading setfile timed out\n");
+ return ret;
+ }
+
+ pr_debug("setfile: base: %#x, size: %d\n",
+ is->setfile.base, is->setfile.size);
+ pr_info("FIMC-IS Setfile info: %s\n", is->fw.setfile_info);
+
+ /* Check magic number. */
+ if (is->is_p_region->shared[MAX_SHARED_COUNT - 1] !=
+ FIMC_IS_MAGIC_NUMBER) {
+ dev_err(dev, "magic number error!\n");
+ return -EIO;
+ }
+
+ pr_debug("shared region: %#x, parameter region: %#x\n",
+ is->memory.paddr + FIMC_IS_SHARED_REGION_OFFSET,
+ is->is_dma_p_region);
+
+ is->setfile.sub_index = 0;
+
+ /* Stream off. */
+ fimc_is_hw_stream_off(is);
+ ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0) {
+ dev_err(dev, "stream off timeout\n");
+ return ret;
+ }
+
+ /* Preserve previous mode. */
+ prev_id = is->scenario_id;
+
+ /* Set initial parameter values. */
+ for (i = 0; i < ARRAY_SIZE(scenario_ids); i++) {
+ is->scenario_id = scenario_ids[i];
+ fimc_is_set_initial_params(is);
+ ret = fimc_is_itf_s_param(is, true);
+ if (ret < 0) {
+ is->scenario_id = prev_id;
+ return ret;
+ }
+ }
+ is->scenario_id = prev_id;
+
+ set_bit(IS_ST_INIT_DONE, &is->state);
+ dev_info(dev, "initialization sequence completed (%d)\n",
+ is->scenario_id);
+ return 0;
+}
+
+static int fimc_is_log_show(struct seq_file *s, void *data)
+{
+ struct fimc_is *is = s->private;
+ const u8 *buf = is->memory.vaddr + FIMC_IS_DEBUG_REGION_OFFSET;
+
+ if (is->memory.vaddr == NULL) {
+ dev_err(&is->pdev->dev, "firmware memory is not initialized\n");
+ return -EIO;
+ }
+
+ seq_printf(s, "%s\n", buf);
+ return 0;
+}
+
+static int fimc_is_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, fimc_is_log_show, inode->i_private);
+}
+
+static const struct file_operations fimc_is_debugfs_fops = {
+ .open = fimc_is_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void fimc_is_debugfs_remove(struct fimc_is *is)
+{
+ debugfs_remove(is->debugfs_entry);
+ is->debugfs_entry = NULL;
+}
+
+static int fimc_is_debugfs_create(struct fimc_is *is)
+{
+ struct dentry *dentry;
+
+ is->debugfs_entry = debugfs_create_dir("fimc_is", NULL);
+
+ dentry = debugfs_create_file("fw_log", S_IRUGO, is->debugfs_entry,
+ is, &fimc_is_debugfs_fops);
+ if (!dentry)
+ fimc_is_debugfs_remove(is);
+
+ return is->debugfs_entry == NULL ? -EIO : 0;
+}
+
+static int fimc_is_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct fimc_is *is;
+ struct resource res;
+ struct device_node *node;
+ int ret;
+
+ is = devm_kzalloc(&pdev->dev, sizeof(*is), GFP_KERNEL);
+ if (!is)
+ return -ENOMEM;
+
+ is->pdev = pdev;
+ is->isp.pdev = pdev;
+
+ init_waitqueue_head(&is->irq_queue);
+ spin_lock_init(&is->slock);
+ mutex_init(&is->lock);
+
+ ret = of_address_to_resource(dev->of_node, 0, &res);
+ if (ret < 0)
+ return ret;
+
+ is->regs = devm_ioremap_resource(dev, &res);
+ if (IS_ERR(is->regs))
+ return PTR_ERR(is->regs);
+
+ node = of_get_child_by_name(dev->of_node, "pmu");
+ if (!node)
+ return -ENODEV;
+
+ is->pmu_regs = of_iomap(node, 0);
+ if (!is->pmu_regs)
+ return -ENOMEM;
+
+ is->irq = irq_of_parse_and_map(dev->of_node, 0);
+ if (is->irq < 0) {
+ dev_err(dev, "no irq found\n");
+ return is->irq;
+ }
+
+ ret = fimc_is_get_clocks(is);
+ if (ret < 0)
+ return ret;
+
+ platform_set_drvdata(pdev, is);
+
+ ret = request_irq(is->irq, fimc_is_irq_handler, 0, dev_name(dev), is);
+ if (ret < 0) {
+ dev_err(dev, "irq request failed\n");
+ goto err_clk;
+ }
+ pm_runtime_enable(dev);
+ /*
+ * Enable only the ISP power domain, keep FIMC-IS clocks off until
+ * the whole clock tree is configured. The ISP power domain needs
+ * be active in order to acces any CMU_ISP clock registers.
+ */
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0)
+ goto err_irq;
+
+ ret = fimc_is_setup_clocks(is);
+ if (ret < 0)
+ goto err_irq;
+
+ pm_runtime_put_sync(dev);
+ is->clk_init = true;
+
+ is->alloc_ctx = vb2_dma_contig_init_ctx(dev);
+ if (IS_ERR(is->alloc_ctx)) {
+ ret = PTR_ERR(is->alloc_ctx);
+ goto err_pm;
+ }
+ /*
+ * Register FIMC-IS V4L2 subdevs to this driver. The video nodes
+ * will be created within the subdev's registered() callback.
+ */
+ ret = fimc_is_register_subdevs(is);
+ if (ret < 0)
+ goto err_vb;
+
+ ret = fimc_is_debugfs_create(is);
+ if (ret < 0)
+ goto err_sd;
+
+ ret = fimc_is_request_firmware(is, FIMC_IS_FW_FILENAME);
+ if (ret < 0)
+ goto err_dfs;
+
+ dev_dbg(dev, "FIMC-IS registered successfully\n");
+ return 0;
+
+err_dfs:
+ fimc_is_debugfs_remove(is);
+err_vb:
+ vb2_dma_contig_cleanup_ctx(is->alloc_ctx);
+err_sd:
+ fimc_is_unregister_subdevs(is);
+err_irq:
+ free_irq(is->irq, is);
+err_pm:
+ pm_runtime_put(dev);
+err_clk:
+ fimc_is_put_clocks(is);
+ return ret;
+}
+
+static int fimc_is_runtime_resume(struct device *dev)
+{
+ struct fimc_is *is = dev_get_drvdata(dev);
+
+ if (!is->clk_init)
+ return 0;
+
+ return fimc_is_enable_clocks(is);
+}
+
+static int fimc_is_runtime_suspend(struct device *dev)
+{
+ struct fimc_is *is = dev_get_drvdata(dev);
+
+ if (is->clk_init)
+ fimc_is_disable_clocks(is);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int fimc_is_resume(struct device *dev)
+{
+ /* TODO: */
+ return 0;
+}
+
+static int fimc_is_suspend(struct device *dev)
+{
+ struct fimc_is *is = dev_get_drvdata(dev);
+
+ /* TODO: */
+ if (test_bit(IS_ST_A5_PWR_ON, &is->state))
+ return -EBUSY;
+
+ return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static int fimc_is_remove(struct platform_device *pdev)
+{
+ struct fimc_is *is = platform_get_drvdata(pdev);
+
+ pm_runtime_disable(&pdev->dev);
+ pm_runtime_set_suspended(&pdev->dev);
+ free_irq(is->irq, is);
+ fimc_is_unregister_subdevs(is);
+ vb2_dma_contig_cleanup_ctx(is->alloc_ctx);
+ fimc_is_put_clocks(is);
+ fimc_is_debugfs_remove(is);
+ release_firmware(is->fw.f_w);
+ fimc_is_free_cpu_memory(is);
+
+ return 0;
+}
+
+static const struct of_device_id fimc_is_of_match[] = {
+ { .compatible = "samsung,exynos4212-fimc-is" },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, fimc_is_of_match);
+
+static const struct dev_pm_ops fimc_is_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(fimc_is_suspend, fimc_is_resume)
+ SET_RUNTIME_PM_OPS(fimc_is_runtime_suspend, fimc_is_runtime_resume,
+ NULL)
+};
+
+static struct platform_driver fimc_is_driver = {
+ .probe = fimc_is_probe,
+ .remove = fimc_is_remove,
+ .driver = {
+ .of_match_table = fimc_is_of_match,
+ .name = FIMC_IS_DRV_NAME,
+ .owner = THIS_MODULE,
+ .pm = &fimc_is_pm_ops,
+ }
+};
+
+static int fimc_is_module_init(void)
+{
+ int ret;
+
+ ret = fimc_is_register_sensor_driver();
+ if (ret < 0)
+ return ret;
+
+ ret = fimc_is_register_i2c_driver();
+ if (ret < 0)
+ goto err_sens;
+
+ ret = platform_driver_register(&fimc_is_driver);
+ if (!ret)
+ return ret;
+
+ fimc_is_unregister_i2c_driver();
+err_sens:
+ fimc_is_unregister_sensor_driver();
+ return ret;
+}
+
+static void fimc_is_module_exit(void)
+{
+ platform_driver_unregister(&fimc_is_driver);
+ fimc_is_unregister_i2c_driver();
+ fimc_is_unregister_sensor_driver();
+}
+
+module_init(fimc_is_module_init);
+module_exit(fimc_is_module_exit);
+
+MODULE_ALIAS("platform:" FIMC_IS_DRV_NAME);
+MODULE_AUTHOR("Younghwan Joo <yhwan.joo@samsung.com>");
+MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
--- /dev/null
+/*
+ * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Younghwan Joo <yhwan.joo@samsung.com>
+ * 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
+ * published by the Free Software Foundation.
+ */
+#ifndef FIMC_IS_H_
+#define FIMC_IS_H_
+
+#include <asm/barrier.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/platform_device.h>
+#include <linux/sizes.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <media/videobuf2-core.h>
+#include <media/v4l2-ctrls.h>
+
+#include "fimc-isp.h"
+#include "fimc-is-command.h"
+#include "fimc-is-sensor.h"
+#include "fimc-is-param.h"
+#include "fimc-is-regs.h"
+
+#define FIMC_IS_DRV_NAME "exynos4-fimc-is"
+
+#define FIMC_IS_FW_FILENAME "fimc_is_fw.bin"
+#define FIMC_IS_SETFILE_6A3 "setfile.bin"
+
+#define FIMC_IS_FW_LOAD_TIMEOUT 1000 /* ms */
+#define FIMC_IS_POWER_ON_TIMEOUT 1000 /* us */
+
+#define FIMC_IS_SENSOR_NUM 2
+
+/* Memory definitions */
+#define FIMC_IS_CPU_MEM_SIZE (0xa00000)
+#define FIMC_IS_CPU_BASE_MASK ((1 << 26) - 1)
+#define FIMC_IS_REGION_SIZE 0x5000
+
+#define FIMC_IS_DEBUG_REGION_OFFSET 0x0084b000
+#define FIMC_IS_SHARED_REGION_OFFSET 0x008c0000
+#define FIMC_IS_FW_INFO_LEN 31
+#define FIMC_IS_FW_VER_LEN 7
+#define FIMC_IS_FW_DESC_LEN (FIMC_IS_FW_INFO_LEN + \
+ FIMC_IS_FW_VER_LEN)
+#define FIMC_IS_SETFILE_INFO_LEN 39
+
+#define FIMC_IS_EXTRA_MEM_SIZE (FIMC_IS_EXTRA_FW_SIZE + \
+ FIMC_IS_EXTRA_SETFILE_SIZE + 0x1000)
+#define FIMC_IS_EXTRA_FW_SIZE 0x180000
+#define FIMC_IS_EXTRA_SETFILE_SIZE 0x4b000
+
+/* TODO: revisit */
+#define FIMC_IS_FW_ADDR_MASK ((1 << 26) - 1)
+#define FIMC_IS_FW_SIZE_MAX (SZ_4M)
+#define FIMC_IS_FW_SIZE_MIN (SZ_32K)
+
+#define ATCLK_MCUISP_FREQUENCY 100000000UL
+#define ACLK_AXI_FREQUENCY 100000000UL
+
+enum {
+ ISS_CLK_PPMUISPX,
+ ISS_CLK_PPMUISPMX,
+ ISS_CLK_LITE0,
+ ISS_CLK_LITE1,
+ ISS_CLK_MPLL,
+ ISS_CLK_SYSREG,
+ ISS_CLK_ISP,
+ ISS_CLK_DRC,
+ ISS_CLK_FD,
+ ISS_CLK_MCUISP,
+ ISS_CLK_UART,
+ ISS_GATE_CLKS_MAX,
+ ISS_CLK_ISP_DIV0 = ISS_GATE_CLKS_MAX,
+ ISS_CLK_ISP_DIV1,
+ ISS_CLK_MCUISP_DIV0,
+ ISS_CLK_MCUISP_DIV1,
+ ISS_CLK_ACLK200,
+ ISS_CLK_ACLK200_DIV,
+ ISS_CLK_ACLK400MCUISP,
+ ISS_CLK_ACLK400MCUISP_DIV,
+ ISS_CLKS_MAX
+};
+
+/* The driver's internal state flags */
+enum {
+ IS_ST_IDLE,
+ IS_ST_PWR_ON,
+ IS_ST_A5_PWR_ON,
+ IS_ST_FW_LOADED,
+ IS_ST_OPEN_SENSOR,
+ IS_ST_SETFILE_LOADED,
+ IS_ST_INIT_DONE,
+ IS_ST_STREAM_ON,
+ IS_ST_STREAM_OFF,
+ IS_ST_CHANGE_MODE,
+ IS_ST_BLOCK_CMD_CLEARED,
+ IS_ST_SET_ZOOM,
+ IS_ST_PWR_SUBIP_ON,
+ IS_ST_END,
+};
+
+enum af_state {
+ FIMC_IS_AF_IDLE = 0,
+ FIMC_IS_AF_SETCONFIG = 1,
+ FIMC_IS_AF_RUNNING = 2,
+ FIMC_IS_AF_LOCK = 3,
+ FIMC_IS_AF_ABORT = 4,
+ FIMC_IS_AF_FAILED = 5,
+};
+
+enum af_lock_state {
+ FIMC_IS_AF_UNLOCKED = 0,
+ FIMC_IS_AF_LOCKED = 2
+};
+
+enum ae_lock_state {
+ FIMC_IS_AE_UNLOCKED = 0,
+ FIMC_IS_AE_LOCKED = 1
+};
+
+enum awb_lock_state {
+ FIMC_IS_AWB_UNLOCKED = 0,
+ FIMC_IS_AWB_LOCKED = 1
+};
+
+enum {
+ IS_METERING_CONFIG_CMD,
+ IS_METERING_CONFIG_WIN_POS_X,
+ IS_METERING_CONFIG_WIN_POS_Y,
+ IS_METERING_CONFIG_WIN_WIDTH,
+ IS_METERING_CONFIG_WIN_HEIGHT,
+ IS_METERING_CONFIG_MAX
+};
+
+struct is_setfile {
+ const struct firmware *info;
+ int state;
+ u32 sub_index;
+ u32 base;
+ size_t size;
+};
+
+struct is_fd_result_header {
+ u32 offset;
+ u32 count;
+ u32 index;
+ u32 curr_index;
+ u32 width;
+ u32 height;
+};
+
+struct is_af_info {
+ u16 mode;
+ u32 af_state;
+ u32 af_lock_state;
+ u32 ae_lock_state;
+ u32 awb_lock_state;
+ u16 pos_x;
+ u16 pos_y;
+ u16 prev_pos_x;
+ u16 prev_pos_y;
+ u16 use_af;
+};
+
+struct fimc_is_firmware {
+ const struct firmware *f_w;
+
+ dma_addr_t paddr;
+ void *vaddr;
+ unsigned int size;
+
+ char info[FIMC_IS_FW_INFO_LEN + 1];
+ char version[FIMC_IS_FW_VER_LEN + 1];
+ char setfile_info[FIMC_IS_SETFILE_INFO_LEN + 1];
+ u8 state;
+};
+
+struct fimc_is_memory {
+ /* physical base address */
+ dma_addr_t paddr;
+ /* virtual base address */
+ void *vaddr;
+ /* total length */
+ unsigned int size;
+};
+
+#define FIMC_IS_I2H_MAX_ARGS 12
+
+struct i2h_cmd {
+ u32 cmd;
+ u32 sensor_id;
+ u16 num_args;
+ u32 args[FIMC_IS_I2H_MAX_ARGS];
+};
+
+struct h2i_cmd {
+ u16 cmd_type;
+ u32 entry_id;
+};
+
+#define FIMC_IS_DEBUG_MSG 0x3f
+#define FIMC_IS_DEBUG_LEVEL 3
+
+struct fimc_is_setfile {
+ const struct firmware *info;
+ unsigned int state;
+ unsigned int size;
+ u32 sub_index;
+ u32 base;
+};
+
+struct is_config_param {
+ struct global_param global;
+ struct sensor_param sensor;
+ struct isp_param isp;
+ struct drc_param drc;
+ struct fd_param fd;
+
+ atomic_t p_region_num;
+ unsigned long p_region_index1;
+ unsigned long p_region_index2;
+};
+
+/**
+ * struct fimc_is - fimc-is data structure
+ * @pdev: pointer to FIMC-IS platform device
+ * @pctrl: pointer to pinctrl structure for this device
+ * @v4l2_dev: pointer to top the level v4l2_device
+ * @alloc_ctx: videobuf2 memory allocator context
+ * @lock: mutex serializing video device and the subdev operations
+ * @slock: spinlock protecting this data structure and the hw registers
+ * @clocks: FIMC-LITE gate clock
+ * @regs: MCUCTL mmapped registers region
+ * @pmu_regs: PMU ISP mmapped registers region
+ * @irq_queue: interrupt handling waitqueue
+ * @lpm: low power mode flag
+ * @state: internal driver's state flags
+ */
+struct fimc_is {
+ struct platform_device *pdev;
+ struct pinctrl *pctrl;
+ struct v4l2_device *v4l2_dev;
+
+ struct fimc_is_firmware fw;
+ struct fimc_is_memory memory;
+ struct firmware *f_w;
+
+ struct fimc_isp isp;
+ struct fimc_is_sensor *sensor;
+ struct fimc_is_setfile setfile;
+
+ struct vb2_alloc_ctx *alloc_ctx;
+ struct v4l2_ctrl_handler ctrl_handler;
+
+ struct mutex lock;
+ spinlock_t slock;
+
+ struct clk *clocks[ISS_CLKS_MAX];
+ bool clk_init;
+ void __iomem *regs;
+ void __iomem *pmu_regs;
+ int irq;
+ wait_queue_head_t irq_queue;
+ u8 lpm;
+
+ unsigned long state;
+ unsigned int sensor_index;
+
+ struct i2h_cmd i2h_cmd;
+ struct h2i_cmd h2i_cmd;
+ struct is_fd_result_header fd_header;
+
+ struct is_config_param cfg_param[IS_SC_MAX];
+ struct is_region *is_p_region;
+ dma_addr_t is_dma_p_region;
+ struct is_share_region *is_shared_region;
+ struct is_af_info af;
+ u32 scenario_id;
+
+ struct dentry *debugfs_entry;
+};
+
+static inline struct fimc_is *fimc_isp_to_is(struct fimc_isp *isp)
+{
+ return container_of(isp, struct fimc_is, isp);
+}
+
+static inline void fimc_is_mem_barrier(void)
+{
+ mb();
+}
+
+static inline void fimc_is_set_param_bit(struct fimc_is *is, int num)
+{
+ struct is_config_param *cfg = &is->cfg_param[is->scenario_id];
+
+ if (num >= 32)
+ set_bit(num - 32, &cfg->p_region_index2);
+ else
+ set_bit(num, &cfg->p_region_index1);
+}
+
+static inline void fimc_is_set_param_ctrl_cmd(struct fimc_is *is, int cmd)
+{
+ is->is_p_region->parameter.isp.control.cmd = cmd;
+}
+
+static inline void mcuctl_write(u32 v, struct fimc_is *is, unsigned int offset)
+{
+ writel(v, is->regs + offset);
+}
+
+static inline u32 mcuctl_read(struct fimc_is *is, unsigned int offset)
+{
+ return readl(is->regs + offset);
+}
+
+static inline void pmuisp_write(u32 v, struct fimc_is *is, unsigned int offset)
+{
+ writel(v, is->pmu_regs + offset);
+}
+
+static inline u32 pmuisp_read(struct fimc_is *is, unsigned int offset)
+{
+ return readl(is->pmu_regs + offset);
+}
+
+int fimc_is_wait_event(struct fimc_is *is, unsigned long bit,
+ unsigned int state, unsigned int timeout);
+int fimc_is_cpu_set_power(struct fimc_is *is, int on);
+int fimc_is_start_firmware(struct fimc_is *is);
+int fimc_is_hw_initialize(struct fimc_is *is);
+void fimc_is_log_dump(const char *level, const void *buf, size_t len);
+
+#endif /* FIMC_IS_H_ */
--- /dev/null
+/*
+ * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
+ * Younghwan Joo <yhwan.joo@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
+ * published by the Free Software Foundation.
+ */
+#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/printk.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <media/v4l2-device.h>
+
+#include "media-dev.h"
+#include "fimc-is-command.h"
+#include "fimc-is-param.h"
+#include "fimc-is-regs.h"
+#include "fimc-is.h"
+
+static int debug = 10;
+module_param_named(debug_isp, debug, int, S_IRUGO | S_IWUSR);
+
+static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = {
+ {
+ .name = "RAW8 (GRBG)",
+ .fourcc = V4L2_PIX_FMT_SGRBG8,
+ .depth = { 8 },
+ .color = FIMC_FMT_RAW8,
+ .memplanes = 1,
+ .mbus_code = V4L2_MBUS_FMT_SGRBG8_1X8,
+ }, {
+ .name = "RAW10 (GRBG)",
+ .fourcc = V4L2_PIX_FMT_SGRBG10,
+ .depth = { 10 },
+ .color = FIMC_FMT_RAW10,
+ .memplanes = 1,
+ .mbus_code = V4L2_MBUS_FMT_SGRBG10_1X10,
+ }, {
+ .name = "RAW12 (GRBG)",
+ .fourcc = V4L2_PIX_FMT_SGRBG12,
+ .depth = { 12 },
+ .color = FIMC_FMT_RAW12,
+ .memplanes = 1,
+ .mbus_code = V4L2_MBUS_FMT_SGRBG12_1X12,
+ },
+};
+
+/**
+ * fimc_isp_find_format - lookup color format by fourcc or media bus code
+ * @pixelformat: fourcc to match, ignored if null
+ * @mbus_code: media bus code to match, ignored if null
+ * @index: index to the fimc_isp_formats array, ignored if negative
+ */
+const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat,
+ const u32 *mbus_code, int index)
+{
+ const struct fimc_fmt *fmt, *def_fmt = NULL;
+ unsigned int i;
+ int id = 0;
+
+ if (index >= (int)ARRAY_SIZE(fimc_isp_formats))
+ return NULL;
+
+ for (i = 0; i < ARRAY_SIZE(fimc_isp_formats); ++i) {
+ fmt = &fimc_isp_formats[i];
+ if (pixelformat && fmt->fourcc == *pixelformat)
+ return fmt;
+ if (mbus_code && fmt->mbus_code == *mbus_code)
+ return fmt;
+ if (index == id)
+ def_fmt = fmt;
+ id++;
+ }
+ return def_fmt;
+}
+
+void fimc_isp_irq_handler(struct fimc_is *is)
+{
+ is->i2h_cmd.args[0] = mcuctl_read(is, MCUCTL_REG_ISSR(20));
+ is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21));
+
+ fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP);
+
+ /* TODO: Complete ISP DMA interrupt handler */
+ wake_up(&is->irq_queue);
+}
+
+/* Capture subdev media entity operations */
+static int fimc_is_link_setup(struct media_entity *entity,
+ const struct media_pad *local,
+ const struct media_pad *remote, u32 flags)
+{
+ return 0;
+}
+
+static const struct media_entity_operations fimc_is_subdev_media_ops = {
+ .link_setup = fimc_is_link_setup,
+};
+
+static int fimc_is_subdev_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ const struct fimc_fmt *fmt;
+
+ fmt = fimc_isp_find_format(NULL, NULL, code->index);
+ if (!fmt)
+ return -EINVAL;
+ code->code = fmt->mbus_code;
+ return 0;
+}
+
+static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *fmt)
+{
+ struct fimc_isp *isp = v4l2_get_subdevdata(sd);
+ struct fimc_is *is = fimc_isp_to_is(isp);
+ struct v4l2_mbus_framefmt *mf = &fmt->format;
+ struct v4l2_mbus_framefmt cur_fmt;
+
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+ mf = v4l2_subdev_get_try_format(fh, fmt->pad);
+ fmt->format = *mf;
+ return 0;
+ }
+
+ mf->colorspace = V4L2_COLORSPACE_JPEG;
+
+ mutex_lock(&isp->subdev_lock);
+ __is_get_frame_size(is, &cur_fmt);
+
+ if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
+ /* full camera input frame size */
+ mf->width = cur_fmt.width + FIMC_ISP_CAC_MARGIN_WIDTH;
+ mf->height = cur_fmt.height + FIMC_ISP_CAC_MARGIN_HEIGHT;
+ mf->code = V4L2_MBUS_FMT_SGRBG10_1X10;
+ } else {
+ /* crop size */
+ mf->width = cur_fmt.width;
+ mf->height = cur_fmt.height;
+ mf->code = V4L2_MBUS_FMT_YUV10_1X30;
+ }
+
+ mutex_unlock(&isp->subdev_lock);
+
+ v4l2_dbg(1, debug, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n",
+ __func__, fmt->pad, mf->code, mf->width, mf->height);
+
+ return 0;
+}
+
+static void __isp_subdev_try_format(struct fimc_isp *isp,
+ struct v4l2_subdev_format *fmt)
+{
+ struct v4l2_mbus_framefmt *mf = &fmt->format;
+
+ if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
+ v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN,
+ FIMC_ISP_SINK_WIDTH_MAX, 0,
+ &mf->height, FIMC_ISP_SINK_HEIGHT_MIN,
+ FIMC_ISP_SINK_HEIGHT_MAX, 0, 0);
+ isp->subdev_fmt = *mf;
+ } else {
+ /* Allow changing format only on sink pad */
+ mf->width = isp->subdev_fmt.width - FIMC_ISP_CAC_MARGIN_WIDTH;
+ mf->height = isp->subdev_fmt.height - FIMC_ISP_CAC_MARGIN_HEIGHT;
+ mf->code = isp->subdev_fmt.code;
+ }
+}
+
+static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *fmt)
+{
+ struct fimc_isp *isp = v4l2_get_subdevdata(sd);
+ struct fimc_is *is = fimc_isp_to_is(isp);
+ struct v4l2_mbus_framefmt *mf = &fmt->format;
+ int ret = 0;
+
+ v4l2_dbg(1, debug, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
+ __func__, fmt->pad, mf->code, mf->width, mf->height);
+
+ mf->colorspace = V4L2_COLORSPACE_JPEG;
+
+ mutex_lock(&isp->subdev_lock);
+ __isp_subdev_try_format(isp, fmt);
+
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+ mf = v4l2_subdev_get_try_format(fh, fmt->pad);
+ *mf = fmt->format;
+ mutex_unlock(&isp->subdev_lock);
+ return 0;
+ }
+
+ if (sd->entity.stream_count == 0)
+ __is_set_frame_size(is, mf);
+ else
+ ret = -EBUSY;
+ mutex_unlock(&isp->subdev_lock);
+
+ return ret;
+}
+
+static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)
+{
+ struct fimc_isp *isp = v4l2_get_subdevdata(sd);
+ struct fimc_is *is = fimc_isp_to_is(isp);
+ int ret;
+
+ v4l2_dbg(1, debug, sd, "%s: on: %d\n", __func__, on);
+
+ if (!test_bit(IS_ST_INIT_DONE, &is->state))
+ return -EBUSY;
+
+ fimc_is_mem_barrier();
+
+ if (on) {
+ if (atomic_read(&is->cfg_param[is->scenario_id].p_region_num))
+ ret = fimc_is_itf_s_param(is, true);
+
+ v4l2_dbg(1, debug, sd, "changing mode to %d\n",
+ is->scenario_id);
+ ret = fimc_is_itf_mode_change(is);
+ if (ret)
+ return -EINVAL;
+
+ clear_bit(IS_ST_STREAM_ON, &is->state);
+ fimc_is_hw_stream_on(is);
+ ret = fimc_is_wait_event(is, IS_ST_STREAM_ON, 1,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0) {
+ v4l2_err(sd, "stream on timeout\n");
+ return ret;
+ }
+ } else {
+ clear_bit(IS_ST_STREAM_OFF, &is->state);
+ fimc_is_hw_stream_off(is);
+ ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0) {
+ v4l2_err(sd, "stream off timeout\n");
+ return ret;
+ }
+ is->setfile.sub_index = 0;
+ }
+
+ return 0;
+}
+
+static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct fimc_isp *isp = v4l2_get_subdevdata(sd);
+ struct fimc_is *is = fimc_isp_to_is(isp);
+ int ret = 0;
+
+ pr_debug("on: %d\n", on);
+
+ if (on) {
+ ret = pm_runtime_get_sync(&is->pdev->dev);
+ if (ret < 0)
+ return ret;
+ set_bit(IS_ST_PWR_ON, &is->state);
+
+ ret = fimc_is_start_firmware(is);
+ if (ret < 0) {
+ v4l2_err(sd, "firmware booting failed\n");
+ pm_runtime_put(&is->pdev->dev);
+ return ret;
+ }
+ set_bit(IS_ST_PWR_SUBIP_ON, &is->state);
+
+ ret = fimc_is_hw_initialize(is);
+ } else {
+ /* Close sensor */
+ if (!test_bit(IS_ST_PWR_ON, &is->state)) {
+ fimc_is_hw_close_sensor(is, 0);
+
+ ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0) {
+ v4l2_err(sd, "sensor close timeout\n");
+ return ret;
+ }
+ }
+
+ /* SUB IP power off */
+ if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) {
+ fimc_is_hw_subip_power_off(is);
+ ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0,
+ FIMC_IS_CONFIG_TIMEOUT);
+ if (ret < 0) {
+ v4l2_err(sd, "sub-IP power off timeout\n");
+ return ret;
+ }
+ }
+
+ fimc_is_cpu_set_power(is, 0);
+ pm_runtime_put_sync(&is->pdev->dev);
+
+ clear_bit(IS_ST_PWR_ON, &is->state);
+ clear_bit(IS_ST_INIT_DONE, &is->state);
+ is->state = 0;
+ is->cfg_param[is->scenario_id].p_region_index1 = 0;
+ is->cfg_param[is->scenario_id].p_region_index2 = 0;
+ set_bit(IS_ST_IDLE, &is->state);
+ wmb();
+ }
+
+ return ret;
+}
+
+static int fimc_isp_subdev_open(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh)
+{
+ struct v4l2_mbus_framefmt fmt;
+ struct v4l2_mbus_framefmt *format;
+
+ format = v4l2_subdev_get_try_format(fh, FIMC_ISP_SD_PAD_SINK);
+
+ fmt.colorspace = V4L2_COLORSPACE_SRGB;
+ fmt.code = fimc_isp_formats[0].mbus_code;
+ fmt.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH;
+ fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT;
+ fmt.field = V4L2_FIELD_NONE;
+ *format = fmt;
+
+ format = v4l2_subdev_get_try_format(fh, FIMC_ISP_SD_PAD_SRC_FIFO);
+ fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;
+ fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;
+ *format = fmt;
+
+ format = v4l2_subdev_get_try_format(fh, FIMC_ISP_SD_PAD_SRC_DMA);
+ *format = fmt;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = {
+ .open = fimc_isp_subdev_open,
+};
+
+static const struct v4l2_subdev_pad_ops fimc_is_subdev_pad_ops = {
+ .enum_mbus_code = fimc_is_subdev_enum_mbus_code,
+ .get_fmt = fimc_isp_subdev_get_fmt,
+ .set_fmt = fimc_isp_subdev_set_fmt,
+};
+
+static const struct v4l2_subdev_video_ops fimc_is_subdev_video_ops = {
+ .s_stream = fimc_isp_subdev_s_stream,
+};
+
+static const struct v4l2_subdev_core_ops fimc_is_core_ops = {
+ .s_power = fimc_isp_subdev_s_power,
+};
+
+static struct v4l2_subdev_ops fimc_is_subdev_ops = {
+ .core = &fimc_is_core_ops,
+ .video = &fimc_is_subdev_video_ops,
+ .pad = &fimc_is_subdev_pad_ops,
+};
+
+static int __ctrl_set_white_balance(struct fimc_is *is, int value)
+{
+ switch (value) {
+ case V4L2_WHITE_BALANCE_AUTO:
+ __is_set_isp_awb(is, ISP_AWB_COMMAND_AUTO, 0);
+ break;
+ case V4L2_WHITE_BALANCE_DAYLIGHT:
+ __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
+ ISP_AWB_ILLUMINATION_DAYLIGHT);
+ break;
+ case V4L2_WHITE_BALANCE_CLOUDY:
+ __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
+ ISP_AWB_ILLUMINATION_CLOUDY);
+ break;
+ case V4L2_WHITE_BALANCE_INCANDESCENT:
+ __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
+ ISP_AWB_ILLUMINATION_TUNGSTEN);
+ break;
+ case V4L2_WHITE_BALANCE_FLUORESCENT:
+ __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
+ ISP_AWB_ILLUMINATION_FLUORESCENT);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int __ctrl_set_aewb_lock(struct fimc_is *is,
+ struct v4l2_ctrl *ctrl)
+{
+ bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
+ bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
+ struct isp_param *isp = &is->is_p_region->parameter.isp;
+ int cmd, ret;
+
+ cmd = ae_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
+ isp->aa.cmd = cmd;
+ isp->aa.target = ISP_AA_TARGET_AE;
+ fimc_is_set_param_bit(is, PARAM_ISP_AA);
+ fimc_is_inc_param_num(is);
+ is->af.ae_lock_state = ae_lock;
+ wmb();
+
+ ret = fimc_is_itf_s_param(is, false);
+ if (ret < 0)
+ return ret;
+
+ cmd = awb_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
+ isp->aa.cmd = cmd;
+ isp->aa.target = ISP_AA_TARGET_AE;
+ fimc_is_set_param_bit(is, PARAM_ISP_AA);
+ fimc_is_inc_param_num(is);
+ is->af.awb_lock_state = awb_lock;
+ wmb();
+
+ return fimc_is_itf_s_param(is, false);
+}
+
+/* Supported manual ISO values */
+static const s64 iso_qmenu[] = {
+ 50, 100, 200, 400, 800,
+};
+
+static int __ctrl_set_iso(struct fimc_is *is, int value)
+{
+ unsigned int idx, iso;
+
+ if (value == V4L2_ISO_SENSITIVITY_AUTO) {
+ __is_set_isp_iso(is, ISP_ISO_COMMAND_AUTO, 0);
+ return 0;
+ }
+ idx = is->isp.ctrls.iso->val;
+ if (idx >= ARRAY_SIZE(iso_qmenu))
+ return -EINVAL;
+
+ iso = iso_qmenu[idx];
+ __is_set_isp_iso(is, ISP_ISO_COMMAND_MANUAL, iso);
+ return 0;
+}
+
+static int __ctrl_set_metering(struct fimc_is *is, unsigned int value)
+{
+ unsigned int val;
+
+ switch (value) {
+ case V4L2_EXPOSURE_METERING_AVERAGE:
+ val = ISP_METERING_COMMAND_AVERAGE;
+ break;
+ case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
+ val = ISP_METERING_COMMAND_CENTER;
+ break;
+ case V4L2_EXPOSURE_METERING_SPOT:
+ val = ISP_METERING_COMMAND_SPOT;
+ break;
+ case V4L2_EXPOSURE_METERING_MATRIX:
+ val = ISP_METERING_COMMAND_MATRIX;
+ break;
+ default:
+ return -EINVAL;
+ };
+
+ __is_set_isp_metering(is, IS_METERING_CONFIG_CMD, val);
+ return 0;
+}
+
+static int __ctrl_set_afc(struct fimc_is *is, int value)
+{
+ switch (value) {
+ case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
+ __is_set_isp_afc(is, ISP_AFC_COMMAND_DISABLE, 0);
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:
+ __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 50);
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:
+ __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 60);
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:
+ __is_set_isp_afc(is, ISP_AFC_COMMAND_AUTO, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int __ctrl_set_image_effect(struct fimc_is *is, int value)
+{
+ static const u8 effects[][2] = {
+ { V4L2_COLORFX_NONE, ISP_IMAGE_EFFECT_DISABLE },
+ { V4L2_COLORFX_BW, ISP_IMAGE_EFFECT_MONOCHROME },
+ { V4L2_COLORFX_SEPIA, ISP_IMAGE_EFFECT_SEPIA },
+ { V4L2_COLORFX_NEGATIVE, ISP_IMAGE_EFFECT_NEGATIVE_MONO },
+ { 16 /* TODO */, ISP_IMAGE_EFFECT_NEGATIVE_COLOR },
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(effects); i++) {
+ if (effects[i][0] != value)
+ continue;
+
+ __is_set_isp_effect(is, effects[i][1]);
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int fimc_is_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct fimc_isp *isp = ctrl_to_fimc_isp(ctrl);
+ struct fimc_is *is = fimc_isp_to_is(isp);
+ bool set_param = true;
+ int ret = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_CONTRAST:
+ __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_CONTRAST,
+ ctrl->val);
+ break;
+
+ case V4L2_CID_SATURATION:
+ __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SATURATION,
+ ctrl->val);
+ break;
+
+ case V4L2_CID_SHARPNESS:
+ __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SHARPNESS,
+ ctrl->val);
+ break;
+
+ case V4L2_CID_EXPOSURE_ABSOLUTE:
+ __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_EXPOSURE,
+ ctrl->val);
+ break;
+
+ case V4L2_CID_BRIGHTNESS:
+ __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_BRIGHTNESS,
+ ctrl->val);
+ break;
+
+ case V4L2_CID_HUE:
+ __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_HUE,
+ ctrl->val);
+ break;
+
+ case V4L2_CID_EXPOSURE_METERING:
+ ret = __ctrl_set_metering(is, ctrl->val);
+ break;
+
+ case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
+ ret = __ctrl_set_white_balance(is, ctrl->val);
+ break;
+
+ case V4L2_CID_3A_LOCK:
+ ret = __ctrl_set_aewb_lock(is, ctrl);
+ set_param = false;
+ break;
+
+ case V4L2_CID_ISO_SENSITIVITY_AUTO:
+ ret = __ctrl_set_iso(is, ctrl->val);
+ break;
+
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ ret = __ctrl_set_afc(is, ctrl->val);
+ break;
+
+ case V4L2_CID_COLORFX:
+ __ctrl_set_image_effect(is, ctrl->val);
+ break;
+
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ if (ret < 0) {
+ v4l2_err(&isp->subdev, "Failed to set control: %s (%d)\n",
+ ctrl->name, ctrl->val);
+ return ret;
+ }
+
+ if (set_param && test_bit(IS_ST_STREAM_ON, &is->state))
+ return fimc_is_itf_s_param(is, true);
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops fimc_isp_ctrl_ops = {
+ .s_ctrl = fimc_is_s_ctrl,
+};
+
+int fimc_isp_subdev_create(struct fimc_isp *isp)
+{
+ const struct v4l2_ctrl_ops *ops = &fimc_isp_ctrl_ops;
+ struct v4l2_ctrl_handler *handler = &isp->ctrls.handler;
+ struct v4l2_subdev *sd = &isp->subdev;
+ struct fimc_isp_ctrls *ctrls = &isp->ctrls;
+ int ret;
+
+ mutex_init(&isp->subdev_lock);
+
+ v4l2_subdev_init(sd, &fimc_is_subdev_ops);
+ sd->grp_id = GRP_ID_FIMC_IS;
+ sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
+ snprintf(sd->name, sizeof(sd->name), "FIMC-IS-ISP");
+
+ isp->subdev_pads[FIMC_ISP_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
+ isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_FIFO].flags = MEDIA_PAD_FL_SOURCE;
+ isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_DMA].flags = MEDIA_PAD_FL_SOURCE;
+ ret = media_entity_init(&sd->entity, FIMC_ISP_SD_PADS_NUM,
+ isp->subdev_pads, 0);
+ if (ret)
+ return ret;
+
+ v4l2_ctrl_handler_init(handler, 20);
+
+ ctrls->saturation = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SATURATION,
+ -2, 2, 1, 0);
+ ctrls->brightness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_BRIGHTNESS,
+ -4, 4, 1, 0);
+ ctrls->contrast = v4l2_ctrl_new_std(handler, ops, V4L2_CID_CONTRAST,
+ -2, 2, 1, 0);
+ ctrls->sharpness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SHARPNESS,
+ -2, 2, 1, 0);
+ ctrls->hue = v4l2_ctrl_new_std(handler, ops, V4L2_CID_HUE,
+ -2, 2, 1, 0);
+
+ ctrls->auto_wb = v4l2_ctrl_new_std_menu(handler, ops,
+ V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
+ 8, ~0x14e, V4L2_WHITE_BALANCE_AUTO);
+
+ ctrls->exposure = v4l2_ctrl_new_std(handler, ops,
+ V4L2_CID_EXPOSURE_ABSOLUTE,
+ -4, 4, 1, 0);
+
+ ctrls->exp_metering = v4l2_ctrl_new_std_menu(handler, ops,
+ V4L2_CID_EXPOSURE_METERING, 3,
+ ~0xf, V4L2_EXPOSURE_METERING_AVERAGE);
+
+ v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
+ V4L2_CID_POWER_LINE_FREQUENCY_AUTO);
+ /* ISO sensitivity */
+ ctrls->auto_iso = v4l2_ctrl_new_std_menu(handler, ops,
+ V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0,
+ V4L2_ISO_SENSITIVITY_AUTO);
+
+ ctrls->iso = v4l2_ctrl_new_int_menu(handler, ops,
+ V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
+ ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
+
+ ctrls->aewb_lock = v4l2_ctrl_new_std(handler, ops,
+ V4L2_CID_3A_LOCK, 0, 0x3, 0, 0);
+
+ /* TODO: Add support for NEGATIVE_COLOR option */
+ ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_COLORFX,
+ V4L2_COLORFX_SET_CBCR + 1, ~0x1000f, V4L2_COLORFX_NONE);
+
+ if (handler->error) {
+ media_entity_cleanup(&sd->entity);
+ return handler->error;
+ }
+
+ v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso,
+ V4L2_ISO_SENSITIVITY_MANUAL, false);
+
+ sd->ctrl_handler = handler;
+ sd->internal_ops = &fimc_is_subdev_internal_ops;
+ sd->entity.ops = &fimc_is_subdev_media_ops;
+ v4l2_set_subdevdata(sd, isp);
+
+ return 0;
+}
+
+void fimc_isp_subdev_destroy(struct fimc_isp *isp)
+{
+ struct v4l2_subdev *sd = &isp->subdev;
+
+ v4l2_device_unregister_subdev(sd);
+ media_entity_cleanup(&sd->entity);
+ v4l2_ctrl_handler_free(&isp->ctrls.handler);
+ v4l2_set_subdevdata(sd, NULL);
+}
--- /dev/null
+/*
+ * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *
+ * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
+ * Younghwan Joo <yhwan.joo@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
+ * published by the Free Software Foundation.
+ */
+#ifndef FIMC_ISP_H_
+#define FIMC_ISP_H_
+
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <linux/videodev2.h>
+
+#include <media/media-entity.h>
+#include <media/videobuf2-core.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-mediabus.h>
+#include <media/s5p_fimc.h>
+
+/* FIXME: revisit these constraints */
+#define FIMC_ISP_SINK_WIDTH_MIN (16 + 8)
+#define FIMC_ISP_SINK_HEIGHT_MIN (12 + 8)
+#define FIMC_ISP_SOURCE_WIDTH_MIN 8
+#define FIMC_ISP_SOURC_HEIGHT_MIN 8
+#define FIMC_ISP_CAC_MARGIN_WIDTH 16
+#define FIMC_ISP_CAC_MARGIN_HEIGHT 12
+
+#define FIMC_ISP_SINK_WIDTH_MAX (4000 - 16)
+#define FIMC_ISP_SINK_HEIGHT_MAX (4000 + 12)
+#define FIMC_ISP_SOURCE_WIDTH_MAX 4000
+#define FIMC_ISP_SOURC_HEIGHT_MAX 4000
+
+#define FIMC_ISP_NUM_FORMATS 3
+#define FIMC_ISP_REQ_BUFS_MIN 2
+
+#define FIMC_ISP_SD_PAD_SINK 0
+#define FIMC_ISP_SD_PAD_SRC_FIFO 1
+#define FIMC_ISP_SD_PAD_SRC_DMA 2
+#define FIMC_ISP_SD_PADS_NUM 3
+#define FIMC_ISP_MAX_PLANES 1
+
+/**
+ * struct fimc_isp_frame - source/target frame properties
+ * @width: full image width
+ * @height: full image height
+ * @rect: crop/composition rectangle
+ */
+struct fimc_isp_frame {
+ u16 width;
+ u16 height;
+ struct v4l2_rect rect;
+};
+
+struct fimc_isp_ctrls {
+ struct v4l2_ctrl_handler handler;
+
+ /* Auto white balance */
+ struct v4l2_ctrl *auto_wb;
+ /* Auto ISO control cluster */
+ struct {
+ struct v4l2_ctrl *auto_iso;
+ struct v4l2_ctrl *iso;
+ };
+ /* Adjust - contrast */
+ struct v4l2_ctrl *contrast;
+ /* Adjust - saturation */
+ struct v4l2_ctrl *saturation;
+ /* Adjust - sharpness */
+ struct v4l2_ctrl *sharpness;
+ /* Adjust - brightness */
+ struct v4l2_ctrl *brightness;
+ /* Adjust - hue */
+ struct v4l2_ctrl *hue;
+
+ /* Auto/manual exposure */
+ struct v4l2_ctrl *auto_exp;
+ /* Manual exposure value */
+ struct v4l2_ctrl *exposure;
+ /* AE/AWB lock/unlock */
+ struct v4l2_ctrl *aewb_lock;
+ /* Exposure metering mode */
+ struct v4l2_ctrl *exp_metering;
+ /* AFC */
+ struct v4l2_ctrl *afc;
+ /* ISP image effect */
+ struct v4l2_ctrl *colorfx;
+};
+
+/**
+ * struct fimc_is_video - fimc-is video device structure
+ * @vdev: video_device structure
+ * @type: video device type (CAPTURE/OUTPUT)
+ * @pad: video device media (sink) pad
+ * @pending_buf_q: pending buffers queue head
+ * @active_buf_q: a queue head of buffers scheduled in hardware
+ * @vb_queue: vb2 buffer queue
+ * @active_buf_count: number of video buffers scheduled in hardware
+ * @frame_count: counter of frames dequeued to user space
+ * @reqbufs_count: number of buffers requested with REQBUFS ioctl
+ * @format: current pixel format
+ */
+struct fimc_is_video {
+ struct video_device vdev;
+ enum v4l2_buf_type type;
+ struct media_pad pad;
+ struct list_head pending_buf_q;
+ struct list_head active_buf_q;
+ struct vb2_queue vb_queue;
+ unsigned int frame_count;
+ unsigned int reqbufs_count;
+ int streaming;
+ unsigned long payload[FIMC_ISP_MAX_PLANES];
+ const struct fimc_fmt *format;
+};
+
+/**
+ * struct fimc_isp - FIMC-IS ISP data structure
+ * @pdev: pointer to FIMC-IS platform device
+ * @alloc_ctx: videobuf2 memory allocator context
+ * @subdev: ISP v4l2_subdev
+ * @subdev_pads: the ISP subdev media pads
+ * @ctrl_handler: v4l2 controls handler
+ * @test_pattern: test pattern controls
+ * @pipeline: video capture pipeline data structure
+ * @video_lock: mutex serializing video device and the subdev operations
+ * @fmt: pointer to color format description structure
+ * @payload: image size in bytes (w x h x bpp)
+ * @inp_frame: camera input frame structure
+ * @out_frame: DMA output frame structure
+ * @source_subdev_grp_id: group id of remote source subdev
+ * @cac_margin_x: horizontal CAC margin in pixels
+ * @cac_margin_y: vertical CAC margin in pixels
+ * @state: driver state flags
+ * @video_capture: the ISP block video capture device
+ */
+struct fimc_isp {
+ struct platform_device *pdev;
+ struct vb2_alloc_ctx *alloc_ctx;
+ struct v4l2_subdev subdev;
+ struct media_pad subdev_pads[FIMC_ISP_SD_PADS_NUM];
+ struct v4l2_mbus_framefmt subdev_fmt;
+ struct v4l2_ctrl *test_pattern;
+ struct fimc_isp_ctrls ctrls;
+
+ struct mutex video_lock;
+ struct mutex subdev_lock;
+
+ struct fimc_isp_frame inp_frame;
+ struct fimc_isp_frame out_frame;
+ unsigned int source_subdev_grp_id;
+
+ unsigned int cac_margin_x;
+ unsigned int cac_margin_y;
+
+ unsigned long state;
+
+ struct fimc_is_video video_capture;
+};
+
+#define ctrl_to_fimc_isp(_ctrl) \
+ container_of(ctrl->handler, struct fimc_isp, ctrls.handler)
+
+struct fimc_is;
+
+int fimc_isp_subdev_create(struct fimc_isp *isp);
+void fimc_isp_subdev_destroy(struct fimc_isp *isp);
+void fimc_isp_irq_handler(struct fimc_is *is);
+int fimc_is_create_controls(struct fimc_isp *isp);
+int fimc_is_delete_controls(struct fimc_isp *isp);
+const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat,
+ const u32 *mbus_code, int index);
+#endif /* FIMC_ISP_H_ */
projects / cascardo / linux.git / commitdiff