rk29: vpu: move vpu_service from user to kernel
author陈恒明 <chm@rock-chips.com>
Wed, 13 Jul 2011 06:39:16 +0000 (14:39 +0800)
committer陈恒明 <chm@rock-chips.com>
Wed, 13 Jul 2011 07:54:27 +0000 (15:54 +0800)
arch/arm/mach-rk29/Kconfig
arch/arm/mach-rk29/Makefile
arch/arm/mach-rk29/include/mach/vpu_service.h [new file with mode: 0644]
arch/arm/mach-rk29/vpu_service.c [new file with mode: 0644]

index 6f1ceb62a229f11748183515d438da4437f22b98..f5c49882514addd5a2a83f7047896f0d70b44b0a 100755 (executable)
@@ -158,14 +158,22 @@ config WIFI_CONTROL_FUNC
 menu "RK29 VPU (Video Processing Unit) support"
 
 config RK29_VPU
-       tristate "Support for RK29 VPU (Video Processing Unit)"
+       bool
        depends on ARCH_RK29
        default y
 
+config RK29_VPU_SERVICE
+       bool "VPU service driver in kernel"
+       depends on ARCH_RK29
+       default y
+
+config RK29_VPU_OLD
+       bool "Old version for RK29 VPU (Video Processing Unit)"
+       depends on ARCH_RK29 && !RK29_VPU_SERVICE
+
 config RK29_VPU_DEBUG
        bool "RK29 VPU debugging"
         depends on RK29_VPU != n
-       default n
         help
           This is an option for the developers; most people should
           say N here.  This enables RK29 VPU driver debugging.
index d094cdb5b5e72964d005f627dad76ec402e94fa2..c55dae8d8550177138f11c96a8aaf6537af53a9b 100755 (executable)
@@ -8,8 +8,10 @@ obj-$(CONFIG_RK29_LAST_LOG) += last_log.o
 obj-$(CONFIG_USB_GADGET) += usb_detect.o
 obj-$(CONFIG_PM) += pm.o
 obj-$(CONFIG_CPU_FREQ) += cpufreq.o
-obj-$(CONFIG_RK29_VPU) += vpu.o vpu_mem.o
+obj-$(CONFIG_RK29_VPU) += vpu_mem.o
 obj-y += spi_sram.o
+obj-$(CONFIG_RK29_VPU_SERVICE) += vpu_service.o
+obj-$(CONFIG_RK29_VPU_OLD) += vpu.o
 obj-$(CONFIG_RK29_PWM_INSRAM) += pwm_sram.o
 obj-$(CONFIG_MACH_RK29SDK) += board-rk29sdk.o board-rk29sdk-key.o board-rk29sdk-rfkill.o board-rk29sdk-power.o
 obj-$(CONFIG_MACH_RK29SDK_DDR3) += board-rk29-ddr3sdk.o board-rk29sdk-key.o board-rk29sdk-rfkill.o board-rk29sdk-power.o
diff --git a/arch/arm/mach-rk29/include/mach/vpu_service.h b/arch/arm/mach-rk29/include/mach/vpu_service.h
new file mode 100644 (file)
index 0000000..9733600
--- /dev/null
@@ -0,0 +1,268 @@
+/* arch/arm/mach-rk29/include/mach/vpu_service.h
+ *
+ * Copyright (C) 2010 ROCKCHIP, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ARCH_ARM_MACH_RK29_VPU_SERVICE_H
+#define __ARCH_ARM_MACH_RK29_VPU_SERVICE_H
+
+#include <linux/ioctl.h>    /* needed for the _IOW etc stuff used later */
+
+/*
+ * Ioctl definitions
+ */
+
+/* Use 'k' as magic number */
+#define VPU_IOC_MAGIC                       'l'
+
+#define VPU_IOC_SET_CLIENT_TYPE             _IOW(VPU_IOC_MAGIC, 1, unsigned long)
+#define VPU_IOC_GET_HW_FUSE_STATUS          _IOW(VPU_IOC_MAGIC, 2, unsigned long)
+
+#define VPU_IOC_SET_REG                     _IOW(VPU_IOC_MAGIC, 3, unsigned long)
+#define VPU_IOC_GET_REG                     _IOW(VPU_IOC_MAGIC, 4, unsigned long)
+
+
+// client type: decoder only£º60 registers, size 240B
+#define VPU_REG_NUM_DEC                     (60)
+// client type: post-process only£º41 registers, size 164B
+#define VPU_REG_NUM_PP                      (41)
+// client type: decoder plus post-process£º101 registers, size 404B
+#define VPU_REG_NUM_DEC_PP                  (VPU_REG_NUM_DEC+VPU_REG_NUM_PP)
+// client type: encoder only£º96 registers, size 384B
+#define VPU_REG_NUM_ENC                     (96)
+
+typedef enum VPU_CLIENT_TYPE {
+    VPU_ENC                 = 0x0,
+    VPU_DEC                 = 0x1,
+    VPU_PP                  = 0x2,
+    VPU_DEC_PP              = 0x3,
+    VPU_TYPE_BUTT           ,
+
+} VPU_CLIENT_TYPE;
+
+/* Hardware decoder configuration description */
+
+typedef struct VPUHwDecConfig {
+    unsigned long   maxDecPicWidth;         /* Maximum video decoding width supported  */
+    unsigned long   maxPpOutPicWidth;       /* Maximum output width of Post-Processor */
+    unsigned long   h264Support;            /* HW supports h.264 */
+    unsigned long   jpegSupport;            /* HW supports JPEG */
+    unsigned long   mpeg4Support;           /* HW supports MPEG-4 */
+    unsigned long   customMpeg4Support;     /* HW supports custom MPEG-4 features */
+    unsigned long   vc1Support;             /* HW supports VC-1 Simple */
+    unsigned long   mpeg2Support;           /* HW supports MPEG-2 */
+    unsigned long   ppSupport;              /* HW supports post-processor */
+    unsigned long   ppConfig;               /* HW post-processor functions bitmask */
+    unsigned long   sorensonSparkSupport;   /* HW supports Sorenson Spark */
+    unsigned long   refBufSupport;          /* HW supports reference picture buffering */
+    unsigned long   vp6Support;             /* HW supports VP6 */
+    unsigned long   vp7Support;             /* HW supports VP7 */
+    unsigned long   vp8Support;             /* HW supports VP8 */
+    unsigned long   avsSupport;             /* HW supports AVS */
+    unsigned long   jpegESupport;           /* HW supports JPEG extensions */
+    unsigned long   rvSupport;              /* HW supports REAL */
+    unsigned long   mvcSupport;             /* HW supports H264 MVC extension */
+} VPUHwDecConfig_t;
+
+/* Hardware encoder configuration description */
+
+typedef struct VPUHwEndConfig
+{
+    unsigned long   maxEncodedWidth;        /* Maximum supported width for video encoding (not JPEG) */
+    unsigned long   h264Enabled;            /* HW supports H.264 */
+    unsigned long   jpegEnabled;            /* HW supports JPEG */
+    unsigned long   mpeg4Enabled;           /* HW supports MPEG-4 */
+    unsigned long   vsEnabled;              /* HW supports video stabilization */
+    unsigned long   rgbEnabled;             /* HW supports RGB input */
+    unsigned long   busType;                /* HW bus type in use */
+    unsigned long   busWidth;
+    unsigned long   synthesisLanguage;
+} VPUHwEncConfig_t;
+
+typedef struct VPUHwCfgReq
+{
+    unsigned long  *cfg;
+    unsigned long   size;
+} VPUHwCfgReq_t;
+
+#define DWL_MPEG2_E         31  /* 1 bit */
+#define DWL_VC1_E           29  /* 2 bits */
+#define DWL_JPEG_E          28  /* 1 bit */
+#define DWL_MPEG4_E         26  /* 2 bits */
+#define DWL_H264_E          24  /* 2 bits */
+#define DWL_VP6_E           23  /* 1 bit */
+#define DWL_PJPEG_E         22  /* 1 bit */
+#define DWL_REF_BUFF_E      20  /* 1 bit */
+
+#define DWL_JPEG_EXT_E          31  /* 1 bit */
+#define DWL_REF_BUFF_ILACE_E    30  /* 1 bit */
+#define DWL_MPEG4_CUSTOM_E      29  /* 1 bit */
+#define DWL_REF_BUFF_DOUBLE_E   28  /* 1 bit */
+#define DWL_RV_E            26  /* 2 bits */
+#define DWL_VP7_E           24  /* 1 bit */
+#define DWL_VP8_E           23  /* 1 bit */
+#define DWL_AVS_E           22  /* 1 bit */
+#define DWL_MVC_E           20  /* 2 bits */
+
+#define DWL_CFG_E           24  /* 4 bits */
+#define DWL_PP_E            16  /* 1 bit */
+
+#define DWL_SORENSONSPARK_E 11  /* 1 bit */
+
+#define DWL_H264_FUSE_E          31 /* 1 bit */
+#define DWL_MPEG4_FUSE_E         30 /* 1 bit */
+#define DWL_MPEG2_FUSE_E         29 /* 1 bit */
+#define DWL_SORENSONSPARK_FUSE_E 28 /* 1 bit */
+#define DWL_JPEG_FUSE_E          27 /* 1 bit */
+#define DWL_VP6_FUSE_E           26 /* 1 bit */
+#define DWL_VC1_FUSE_E           25 /* 1 bit */
+#define DWL_PJPEG_FUSE_E         24 /* 1 bit */
+#define DWL_CUSTOM_MPEG4_FUSE_E  23 /* 1 bit */
+#define DWL_RV_FUSE_E            22 /* 1 bit */
+#define DWL_VP7_FUSE_E           21 /* 1 bit */
+#define DWL_VP8_FUSE_E           20 /* 1 bit */
+#define DWL_AVS_FUSE_E           19 /* 1 bit */
+#define DWL_MVC_FUSE_E           18 /* 1 bit */
+
+#define DWL_DEC_MAX_1920_FUSE_E  15 /* 1 bit */
+#define DWL_DEC_MAX_1280_FUSE_E  14 /* 1 bit */
+#define DWL_DEC_MAX_720_FUSE_E   13 /* 1 bit */
+#define DWL_DEC_MAX_352_FUSE_E   12 /* 1 bit */
+#define DWL_REF_BUFF_FUSE_E       7 /* 1 bit */
+
+
+#define DWL_PP_FUSE_E    31  /* 1 bit */
+#define DWL_PP_DEINTERLACE_FUSE_E   30  /* 1 bit */
+#define DWL_PP_ALPHA_BLEND_FUSE_E   29  /* 1 bit */
+#define DWL_PP_MAX_1920_FUSE_E  15  /* 1 bit */
+#define DWL_PP_MAX_1280_FUSE_E  14  /* 1 bit */
+#define DWL_PP_MAX_720_FUSE_E  13  /* 1 bit */
+#define DWL_PP_MAX_352_FUSE_E  12  /* 1 bit */
+
+
+#define MPEG4_NOT_SUPPORTED             (u32)(0x00)
+#define MPEG4_SIMPLE_PROFILE            (u32)(0x01)
+#define MPEG4_ADVANCED_SIMPLE_PROFILE   (u32)(0x02)
+#define MPEG4_CUSTOM_NOT_SUPPORTED      (u32)(0x00)
+#define MPEG4_CUSTOM_FEATURE_1          (u32)(0x01)
+#define H264_NOT_SUPPORTED              (u32)(0x00)
+#define H264_BASELINE_PROFILE           (u32)(0x01)
+#define H264_MAIN_PROFILE               (u32)(0x02)
+#define H264_HIGH_PROFILE               (u32)(0x03)
+#define VC1_NOT_SUPPORTED               (u32)(0x00)
+#define VC1_SIMPLE_PROFILE              (u32)(0x01)
+#define VC1_MAIN_PROFILE                (u32)(0x02)
+#define VC1_ADVANCED_PROFILE            (u32)(0x03)
+#define MPEG2_NOT_SUPPORTED             (u32)(0x00)
+#define MPEG2_MAIN_PROFILE              (u32)(0x01)
+#define JPEG_NOT_SUPPORTED              (u32)(0x00)
+#define JPEG_BASELINE                   (u32)(0x01)
+#define JPEG_PROGRESSIVE                (u32)(0x02)
+#define PP_NOT_SUPPORTED                (u32)(0x00)
+#define PP_SUPPORTED                    (u32)(0x01)
+#define PP_DITHERING                    (u32)(0x10000000)
+#define PP_SCALING                      (u32)(0x0C000000)
+#define PP_DEINTERLACING                (u32)(0x02000000)
+#define PP_ALPHA_BLENDING               (u32)(0x01000000)
+#define SORENSON_SPARK_NOT_SUPPORTED    (u32)(0x00)
+#define SORENSON_SPARK_SUPPORTED        (u32)(0x01)
+#define VP6_NOT_SUPPORTED               (u32)(0x00)
+#define VP6_SUPPORTED                   (u32)(0x01)
+#define VP7_NOT_SUPPORTED               (u32)(0x00)
+#define VP7_SUPPORTED                   (u32)(0x01)
+#define VP8_NOT_SUPPORTED               (u32)(0x00)
+#define VP8_SUPPORTED                   (u32)(0x01)
+#define REF_BUF_NOT_SUPPORTED           (u32)(0x00)
+#define REF_BUF_SUPPORTED               (u32)(0x01)
+#define REF_BUF_INTERLACED              (u32)(0x02)
+#define REF_BUF_DOUBLE                  (u32)(0x04)
+#define AVS_NOT_SUPPORTED               (u32)(0x00)
+#define AVS_SUPPORTED                   (u32)(0x01)
+#define JPEG_EXT_NOT_SUPPORTED          (u32)(0x00)
+#define JPEG_EXT_SUPPORTED              (u32)(0x01)
+#define RV_NOT_SUPPORTED                (u32)(0x00)
+#define RV_SUPPORTED                    (u32)(0x01)
+#define MVC_NOT_SUPPORTED               (u32)(0x00)
+#define MVC_SUPPORTED                   (u32)(0x01)
+
+#define H264_NOT_SUPPORTED_FUSE             (u32)(0x00)
+#define H264_FUSE_ENABLED                   (u32)(0x01)
+#define MPEG4_NOT_SUPPORTED_FUSE            (u32)(0x00)
+#define MPEG4_FUSE_ENABLED                  (u32)(0x01)
+#define MPEG2_NOT_SUPPORTED_FUSE            (u32)(0x00)
+#define MPEG2_FUSE_ENABLED                  (u32)(0x01)
+#define SORENSON_SPARK_NOT_SUPPORTED_FUSE   (u32)(0x00)
+#define SORENSON_SPARK_ENABLED              (u32)(0x01)
+#define JPEG_NOT_SUPPORTED_FUSE             (u32)(0x00)
+#define JPEG_FUSE_ENABLED                   (u32)(0x01)
+#define VP6_NOT_SUPPORTED_FUSE              (u32)(0x00)
+#define VP6_FUSE_ENABLED                    (u32)(0x01)
+#define VP7_NOT_SUPPORTED_FUSE              (u32)(0x00)
+#define VP7_FUSE_ENABLED                    (u32)(0x01)
+#define VP8_NOT_SUPPORTED_FUSE              (u32)(0x00)
+#define VP8_FUSE_ENABLED                    (u32)(0x01)
+#define VC1_NOT_SUPPORTED_FUSE              (u32)(0x00)
+#define VC1_FUSE_ENABLED                    (u32)(0x01)
+#define JPEG_PROGRESSIVE_NOT_SUPPORTED_FUSE (u32)(0x00)
+#define JPEG_PROGRESSIVE_FUSE_ENABLED       (u32)(0x01)
+#define REF_BUF_NOT_SUPPORTED_FUSE          (u32)(0x00)
+#define REF_BUF_FUSE_ENABLED                (u32)(0x01)
+#define AVS_NOT_SUPPORTED_FUSE              (u32)(0x00)
+#define AVS_FUSE_ENABLED                    (u32)(0x01)
+#define RV_NOT_SUPPORTED_FUSE               (u32)(0x00)
+#define RV_FUSE_ENABLED                     (u32)(0x01)
+#define MVC_NOT_SUPPORTED_FUSE              (u32)(0x00)
+#define MVC_FUSE_ENABLED                    (u32)(0x01)
+
+#define PP_NOT_SUPPORTED_FUSE               (u32)(0x00)
+#define PP_FUSE_ENABLED                     (u32)(0x01)
+#define PP_FUSE_DEINTERLACING_ENABLED       (u32)(0x40000000)
+#define PP_FUSE_ALPHA_BLENDING_ENABLED      (u32)(0x20000000)
+#define MAX_PP_OUT_WIDHT_1920_FUSE_ENABLED  (u32)(0x00008000)
+#define MAX_PP_OUT_WIDHT_1280_FUSE_ENABLED  (u32)(0x00004000)
+#define MAX_PP_OUT_WIDHT_720_FUSE_ENABLED   (u32)(0x00002000)
+#define MAX_PP_OUT_WIDHT_352_FUSE_ENABLED   (u32)(0x00001000)
+
+#define VPU_DEC_HWCFG0              50
+#define VPU_DEC_HWCFG1              51
+#define VPU_DEC_HW_FUSE_CFG         57
+#define VPU_PP_HW_SYNTH_CFG         40
+#define VPU_PP_HW_FUSE_CFG          41
+
+typedef struct VPUHwFuseStatus
+{
+    u32 h264SupportFuse;            /* HW supports h.264 */
+    u32 mpeg4SupportFuse;           /* HW supports MPEG-4 */
+    u32 mpeg2SupportFuse;           /* HW supports MPEG-2 */
+    u32 sorensonSparkSupportFuse;   /* HW supports Sorenson Spark */
+    u32 jpegSupportFuse;            /* HW supports JPEG */
+    u32 vp6SupportFuse;             /* HW supports VP6 */
+    u32 vp7SupportFuse;             /* HW supports VP6 */
+    u32 vp8SupportFuse;             /* HW supports VP6 */
+    u32 vc1SupportFuse;             /* HW supports VC-1 Simple */
+    u32 jpegProgSupportFuse;        /* HW supports Progressive JPEG */
+    u32 ppSupportFuse;              /* HW supports post-processor */
+    u32 ppConfigFuse;               /* HW post-processor functions bitmask */
+    u32 maxDecPicWidthFuse;         /* Maximum video decoding width supported  */
+    u32 maxPpOutPicWidthFuse;       /* Maximum output width of Post-Processor */
+    u32 refBufSupportFuse;          /* HW supports reference picture buffering */
+    u32 avsSupportFuse;             /* one of the AVS values defined above */
+    u32 rvSupportFuse;              /* one of the REAL values defined above */
+    u32 mvcSupportFuse;
+    u32 customMpeg4SupportFuse;     /* Fuse for custom MPEG-4 */
+
+} VPUHwFuseStatus_t;
+
+
+#endif
+
diff --git a/arch/arm/mach-rk29/vpu_service.c b/arch/arm/mach-rk29/vpu_service.c
new file mode 100644 (file)
index 0000000..bf4136f
--- /dev/null
@@ -0,0 +1,1147 @@
+/* arch/arm/mach-rk29/vpu.c
+ *
+ * Copyright (C) 2010 ROCKCHIP, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifdef CONFIG_RK29_VPU_DEBUG
+#define DEBUG
+#define pr_fmt(fmt) "VPU_SERVICE: %s: " fmt, __func__
+#else
+#define pr_fmt(fmt) "VPU_SERVICE: " fmt
+#endif
+
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/ioport.h>
+#include <linux/miscdevice.h>
+#include <linux/mm.h>
+#include <linux/poll.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+
+#include <asm/uaccess.h>
+
+#include <mach/irqs.h>
+#include <mach/vpu_service.h>
+#include <mach/rk29_iomap.h>
+#include <mach/pmu.h>
+#include <mach/cru.h>
+
+#define FUN                                    printk("%s\n", __func__)
+
+#define DEC_INTERRUPT_REGISTER                 1
+#define PP_INTERRUPT_REGISTER                  60
+#define ENC_INTERRUPT_REGISTER                 1
+
+#define DEC_INTERRUPT_BIT                       0x100
+#define PP_INTERRUPT_BIT                        0x100
+#define ENC_INTERRUPT_BIT                       0x1
+
+#define REG_NUM_DEC                            (60)
+#define REG_NUM_PP                             (41)
+#define REG_NUM_ENC                            (96)
+#define REG_NUM_DEC_PP                         (REG_NUM_DEC+REG_NUM_PP)
+#define SIZE_REG(reg)                          ((reg)*4)
+
+#define DEC_IO_SIZE                            ((100 + 1) * 4) /* bytes */
+#define ENC_IO_SIZE                            (96 * 4)        /* bytes */
+static const u16 dec_hw_ids[] = { 0x8190, 0x8170, 0x9170, 0x9190, 0x6731 };
+static const u16 enc_hw_ids[] = { 0x6280, 0x7280, 0x8270 };
+
+#define VPU_REG_EN_ENC                         14
+#define VPU_REG_ENC_GATE                       2
+#define VPU_REG_ENC_GATE_BIT                   (1<<4)
+
+#define VPU_REG_EN_DEC                         1
+#define VPU_REG_DEC_GATE                       2
+#define VPU_REG_DEC_GATE_BIT                   (1<<10)
+#define VPU_REG_EN_PP                          0
+#define VPU_REG_PP_GATE                        1
+#define VPU_REG_PP_GATE_BIT                    (1<<8)
+#define VPU_REG_EN_DEC_PP                      1
+#define VPU_REG_DEC_PP_GATE                    61
+#define VPU_REG_DEC_PP_GATE_BIT                (1<<8)
+
+
+/**
+ * struct for process session which connect to vpu
+ *
+ * @author ChenHengming (2011-5-3)
+ */
+typedef struct vpu_session {
+       VPU_CLIENT_TYPE         type;
+       /* a linked list of data so we can access them for debugging */
+       struct list_head        list_session;
+       /* a linked list of register data waiting for process */
+       struct list_head        waiting;
+       /* a linked list of register data in processing */
+       struct list_head        running;
+       /* a linked list of register data processed */
+       struct list_head        done;
+       wait_queue_head_t       wait;
+       pid_t                   pid;
+} vpu_session;
+
+/**
+ * struct for process register set
+ *
+ * @author ChenHengming (2011-5-4)
+ */
+typedef struct vpu_reg {
+       VPU_CLIENT_TYPE         type;
+       vpu_session             *session;
+       struct list_head        session_link;           /* link to vpu service session */
+       struct list_head        status_link;            /* link to register set list */
+       unsigned long           size;
+       unsigned long           reg[VPU_REG_NUM_DEC_PP];
+} vpu_reg;
+
+typedef struct vpu_device {
+       unsigned long           iobaseaddr;
+       unsigned int            iosize;
+       volatile u32            *hwregs;
+} vpu_device;
+
+typedef struct vpu_service_info {
+       spinlock_t              lock;
+       struct list_head        waiting;                /* link to link_reg in struct vpu_reg */
+       struct list_head        running;                /* link to link_reg in struct vpu_reg */
+       struct list_head        done;                   /* link to link_reg in struct vpu_reg */
+       struct list_head        session;                /* link to list_session in struct vpu_session */
+       atomic_t                task_running;
+       bool                    enabled;
+       vpu_reg                 *reg_dec;
+       vpu_reg                 *reg_pp;
+       vpu_reg                 *reg_enc;
+       VPUHwDecConfig_t        dec_config;
+       VPUHwEncConfig_t        enc_config;
+} vpu_service_info;
+
+typedef struct vpu_request
+{
+       unsigned long   *req;
+       unsigned long   size;
+} vpu_request;
+
+static struct clk *aclk_vepu;
+static struct clk *hclk_vepu;
+static struct clk *aclk_ddr_vepu;
+static struct clk *hclk_cpu_vcodec;
+static vpu_service_info service;
+static vpu_device      dec_dev;
+static vpu_device      enc_dev;
+
+static void vpu_service_power_off_work_func(struct work_struct *work);
+static DECLARE_DELAYED_WORK(vpu_service_power_off_work, vpu_service_power_off_work_func);
+#define POWER_OFF_DELAY        3*HZ /* 3s */
+
+static void vpu_get_clk(void)
+{
+       aclk_vepu       = clk_get(NULL, "aclk_vepu");
+       hclk_vepu       = clk_get(NULL, "hclk_vepu");
+       aclk_ddr_vepu   = clk_get(NULL, "aclk_ddr_vepu");
+       hclk_cpu_vcodec = clk_get(NULL, "hclk_cpu_vcodec");
+}
+
+static void vpu_put_clk(void)
+{
+       clk_put(aclk_vepu);
+       clk_put(hclk_vepu);
+       clk_put(aclk_ddr_vepu);
+       clk_put(hclk_cpu_vcodec);
+}
+
+static u32 vpu_service_is_working(void)
+{
+       u32 irq_status;
+       u32 vpu_status = 0;
+       irq_status = readl(dec_dev.hwregs + DEC_INTERRUPT_REGISTER);
+       vpu_status |= irq_status&1;
+       irq_status = readl(enc_dev.hwregs + ENC_INTERRUPT_REGISTER);
+       vpu_status |= irq_status&1;
+       irq_status = readl(dec_dev.hwregs + PP_INTERRUPT_REGISTER);
+       vpu_status |= irq_status&1;
+
+       return vpu_status;
+}
+
+static void vpu_service_power_on(void)
+{
+       if (service.enabled)
+               return;
+
+       printk("vpu: power on\n");
+       clk_enable(aclk_vepu);
+       clk_enable(hclk_vepu);
+       clk_enable(hclk_cpu_vcodec);
+       udelay(10);
+       pmu_set_power_domain(PD_VCODEC, true);
+       udelay(10);
+       clk_enable(aclk_ddr_vepu);
+       service.enabled = true;
+}
+
+static void vpu_service_power_off(void)
+{
+       if (!service.enabled)
+               return;
+
+       while(atomic_read(&service.task_running))
+               udelay(10);
+
+       //while (vpu_service_is_working())
+       //      udelay(10);
+
+       printk("vpu: power off\n");
+       pmu_set_power_domain(PD_VCODEC, false);
+       udelay(10);
+       clk_disable(hclk_cpu_vcodec);
+       clk_disable(aclk_ddr_vepu);
+       clk_disable(hclk_vepu);
+       clk_disable(aclk_vepu);
+
+       service.enabled = false;
+}
+
+static void vpu_service_power_off_work_func(struct work_struct *work)
+{
+       pr_debug("work\n");
+       vpu_service_power_off();
+}
+
+static vpu_reg *reg_init(vpu_session *session, void __user *src, unsigned long size)
+{
+       unsigned long flag;
+       vpu_reg *reg = kmalloc(sizeof(vpu_reg), GFP_KERNEL);
+       //FUN;
+       if (NULL == reg) {
+               pr_err("kmalloc fail in reg_init\n");
+               return NULL;
+       }
+
+       reg->session = session;
+       reg->type = session->type;
+       reg->size = size;
+       INIT_LIST_HEAD(&reg->session_link);
+       INIT_LIST_HEAD(&reg->status_link);
+
+       if (copy_from_user(&reg->reg[0], (void __user *)src, size)) {
+               pr_err("copy_from_user failed in reg_init\n");
+               kfree(reg);
+               return NULL;
+       }
+
+       spin_lock_irqsave(&service.lock, flag);
+       list_add_tail(&reg->status_link, &service.waiting);
+       list_add_tail(&reg->session_link, &session->waiting);
+       spin_unlock_irqrestore(&service.lock, flag);
+
+       return reg;
+}
+
+static void reg_deinit(vpu_reg *reg)
+{
+       list_del_init(&reg->session_link);
+       list_del_init(&reg->status_link);
+       kfree(reg);
+       if (reg == service.reg_dec) service.reg_dec = NULL;
+       if (reg == service.reg_enc) service.reg_enc = NULL;
+       if (reg == service.reg_pp)  service.reg_pp  = NULL;
+}
+
+static void reg_from_wait_to_run(vpu_reg *reg)
+{
+       //FUN;
+       list_del_init(&reg->status_link);
+       list_add_tail(&reg->status_link, &service.running);
+
+       list_del_init(&reg->session_link);
+       list_add_tail(&reg->session_link, &reg->session->running);
+
+       atomic_add(1, &service.task_running);
+}
+
+static void reg_copy_from_hw(vpu_reg *reg, volatile u32 *src, u32 count)
+{
+       int i;
+       u32 *dst = (u32 *)&reg->reg[0];
+       //FUN;
+       for (i = 0; i < count; i++)
+               *dst++ = *src++;
+}
+
+static void reg_from_run_to_done(vpu_reg *reg)
+{
+       //FUN;
+       //printk("r\n");
+       spin_lock(&service.lock);
+       list_del_init(&reg->status_link);
+       list_add_tail(&reg->status_link, &service.done);
+
+       list_del_init(&reg->session_link);
+       list_add_tail(&reg->session_link, &reg->session->done);
+
+       switch (reg->type) {
+       case VPU_ENC : {
+               service.reg_enc = NULL;
+               reg_copy_from_hw(reg, enc_dev.hwregs, REG_NUM_ENC);
+               break;
+       }
+       case VPU_DEC : {
+               service.reg_dec = NULL;
+               reg_copy_from_hw(reg, dec_dev.hwregs, REG_NUM_DEC);
+               break;
+       }
+       case VPU_PP : {
+               service.reg_pp  = NULL;
+               reg_copy_from_hw(reg, dec_dev.hwregs + PP_INTERRUPT_REGISTER, REG_NUM_PP);
+               break;
+       }
+       case VPU_DEC_PP : {
+               service.reg_dec = NULL;
+               service.reg_pp  = NULL;
+               reg_copy_from_hw(reg, dec_dev.hwregs, REG_NUM_DEC_PP);
+               break;
+       }
+       default : {
+               pr_err("copy reg from hw with unknown type %d\n", reg->type);
+               break;
+       }
+       }
+       atomic_sub(1, &service.task_running);
+       wake_up_interruptible_sync(&reg->session->wait);
+       spin_unlock(&service.lock);
+}
+
+void reg_copy_to_hw(vpu_reg *reg)
+{
+       int i;
+       u32 *src = (u32 *)&reg->reg[0];
+
+       switch (reg->type) {
+       case VPU_ENC : {
+               u32 *dst = (u32 *)enc_dev.hwregs;
+               service.reg_enc = reg;
+
+               dst[VPU_REG_EN_ENC] = src[VPU_REG_EN_ENC] & 0x6;
+
+               for (i = 0; i < VPU_REG_EN_ENC; i++)
+                       dst[i] = src[i];
+
+               for (i = VPU_REG_EN_ENC + 1; i < REG_NUM_ENC; i++)
+                       dst[i] = src[i];
+
+               dsb();
+
+               dst[VPU_REG_ENC_GATE] = src[VPU_REG_ENC_GATE] | VPU_REG_ENC_GATE_BIT;
+               dst[VPU_REG_EN_ENC]   = src[VPU_REG_EN_ENC];
+       } break;
+       case VPU_DEC : {
+               u32 *dst = (u32 *)dec_dev.hwregs;
+               if (NULL == service.reg_pp) {
+                       dst[PP_INTERRUPT_REGISTER] = 0;
+               }
+
+               service.reg_dec = reg;
+
+               for (i = REG_NUM_DEC - 1; i > VPU_REG_DEC_GATE; i--)
+                       dst[i] = src[i];
+
+               dsb();
+
+               dst[VPU_REG_DEC_GATE] = src[VPU_REG_DEC_GATE] | VPU_REG_DEC_GATE_BIT;
+               dst[VPU_REG_EN_DEC]   = src[VPU_REG_EN_DEC];
+       } break;
+       case VPU_PP : {
+               u32 *dst = (u32 *)dec_dev.hwregs + PP_INTERRUPT_REGISTER;
+               service.reg_pp = reg;
+
+               dst[VPU_REG_PP_GATE] = src[VPU_REG_PP_GATE] | VPU_REG_PP_GATE_BIT;
+
+               for (i = VPU_REG_PP_GATE + 1; i < REG_NUM_PP; i++)
+                       dst[i] = src[i];
+
+               dsb();
+
+               dst[VPU_REG_EN_PP] = src[VPU_REG_EN_PP];
+       } break;
+       case VPU_DEC_PP : {
+               u32 *dst = (u32 *)dec_dev.hwregs;
+               service.reg_dec = reg;
+               service.reg_pp = reg;
+
+               for (i = VPU_REG_EN_DEC_PP + 1; i < REG_NUM_DEC_PP; i++)
+                       dst[i] = src[i];
+
+               dsb();
+
+               dst[VPU_REG_DEC_PP_GATE] = src[VPU_REG_DEC_PP_GATE] | VPU_REG_PP_GATE_BIT;
+               dst[VPU_REG_DEC_GATE]    = src[VPU_REG_DEC_GATE]    | VPU_REG_DEC_GATE_BIT;
+               dst[VPU_REG_EN_DEC]      = src[VPU_REG_EN_DEC];
+       } break;
+       default : {
+               pr_err("unsupport session type %d", reg->type);
+               break;
+       }
+       }
+}
+
+static void try_set_reg(void)
+{
+       unsigned long flag;
+       //FUN;
+       // first get reg from reg list
+       spin_lock_irqsave(&service.lock, flag);
+       if (!list_empty(&service.waiting)) {
+               vpu_reg *reg = list_entry(service.waiting.next, vpu_reg, status_link);
+
+               if (((VPU_DEC_PP  == reg->type) && (NULL == service.reg_dec) && (NULL == service.reg_pp)) ||
+                       ((VPU_DEC == reg->type) && (NULL == service.reg_dec)) ||
+                       ((VPU_PP  == reg->type) && (NULL == service.reg_pp))  ||
+                       ((VPU_ENC == reg->type) && (NULL == service.reg_enc))) {
+                       reg_from_wait_to_run(reg);
+                       __cancel_delayed_work(&vpu_service_power_off_work);
+                       vpu_service_power_on();
+                       reg_copy_to_hw(reg);
+               }
+               spin_unlock_irqrestore(&service.lock, flag);
+       } else {
+               spin_unlock_irqrestore(&service.lock, flag);
+               schedule_delayed_work(&vpu_service_power_off_work, POWER_OFF_DELAY);
+       }
+}
+
+static int return_reg(vpu_reg *reg, u32 __user *dst)
+{
+       int ret = 0;
+       //FUN;
+       switch (reg->type) {
+       case VPU_ENC : {
+               if (copy_to_user(dst, &reg->reg[0], SIZE_REG(REG_NUM_ENC)))
+                       ret = -EFAULT;
+               break;
+       }
+       case VPU_DEC : {
+               if (copy_to_user(dst, &reg->reg[0], SIZE_REG(REG_NUM_DEC)))
+                       ret = -EFAULT;
+               break;
+       }
+       case VPU_PP : {
+               if (copy_to_user(dst, &reg->reg[0], SIZE_REG(REG_NUM_PP)))
+                       ret = -EFAULT;
+               break;
+       }
+       case VPU_DEC_PP : {
+               if (copy_to_user(dst, &reg->reg[0], SIZE_REG(REG_NUM_DEC_PP)))
+                       ret = -EFAULT;
+               break;
+       }
+       default : {
+               ret = -EFAULT;
+               pr_err("copy reg to user with unknown type %d\n", reg->type);
+               break;
+       }
+       }
+       reg_deinit(reg);
+       return ret;
+}
+
+static long vpu_service_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+       vpu_session *session = (vpu_session *)filp->private_data;
+       //FUN;
+       if (NULL == session) {
+               return -EINVAL;
+       }
+
+       switch (cmd) {
+       case VPU_IOC_SET_CLIENT_TYPE : {
+       session->type = (VPU_CLIENT_TYPE)arg;
+               break;
+       }
+       case VPU_IOC_GET_HW_FUSE_STATUS : {
+               vpu_request req;
+               if (copy_from_user(&req, (void __user *)arg, sizeof(vpu_request))) {
+                       pr_err("VPU_IOC_GET_HW_FUSE_STATUS copy_from_user failed\n");
+                       return -EFAULT;
+               } else {
+                       if (VPU_ENC != session->type) {
+                               if (copy_to_user((void __user *)req.req, &service.dec_config, sizeof(VPUHwDecConfig_t))) {
+                                       pr_err("VPU_IOC_GET_HW_FUSE_STATUS copy_to_user failed type %d\n", session->type);
+                                       return -EFAULT;
+                               }
+                       } else {
+                               if (copy_to_user((void __user *)req.req, &service.enc_config, sizeof(VPUHwEncConfig_t))) {
+                                       pr_err("VPU_IOC_GET_HW_FUSE_STATUS copy_to_user failed type %d\n", session->type);
+                                       return -EFAULT;
+                               }
+                       }
+               }
+
+               break;
+       }
+       case VPU_IOC_SET_REG : {
+               vpu_request req;
+               vpu_reg *reg;
+               if (copy_from_user(&req, (void __user *)arg, sizeof(vpu_request))) {
+                       pr_err("VPU_IOC_SET_REG copy_from_user failed\n");
+                       return -EFAULT;
+               }
+
+               reg = reg_init(session, (void __user *)req.req, req.size);
+               if (NULL == reg) {
+                       return -EFAULT;
+               } else {
+                       try_set_reg();
+               }
+
+               break;
+       }
+       case VPU_IOC_GET_REG : {
+               vpu_request req;
+               vpu_reg *reg;
+               if (copy_from_user(&req, (void __user *)arg, sizeof(vpu_request))) {
+                       pr_err("VPU_IOC_GET_REG copy_from_user failed\n");
+                       return -EFAULT;
+               } else {
+                       int ret = wait_event_interruptible_timeout(session->wait, !list_empty(&session->done), HZ);
+                       if (unlikely(ret < 0)) {
+                               pr_err("pid %d wait task ret %d\n", session->pid, ret);
+                               return ret;
+                       } else if (0 == ret) {
+                               pr_err("pid %d wait task done timeout\n", session->pid);
+                               return -ETIMEDOUT;
+                       }
+               }
+               {
+                       unsigned long flag;
+                       spin_lock_irqsave(&service.lock, flag);
+                       reg = list_entry(session->done.next, vpu_reg, session_link);
+                       return_reg(reg, (u32 __user *)req.req);
+                       spin_unlock_irqrestore(&service.lock, flag);
+               }
+               break;
+       }
+       default : {
+               pr_err("unknow vpu service ioctl cmd %x\n", cmd);
+               break;
+       }
+       }
+
+       return 0;
+}
+
+static int vpu_service_check_hw_id(struct vpu_device * dev, const u16 *hwids, size_t num)
+{
+       u32 hwid = readl(dev->hwregs);
+       //FUN;
+       pr_info("HW ID = 0x%08x\n", hwid);
+
+       hwid = (hwid >> 16) & 0xFFFF;   /* product version only */
+
+       while (num--) {
+               if (hwid == hwids[num]) {
+                       pr_info("Compatible HW found at 0x%08lx\n", dev->iobaseaddr);
+                       return 1;
+               }
+       }
+
+       pr_info("No Compatible HW found at 0x%08lx\n", dev->iobaseaddr);
+       return 0;
+}
+
+static void vpu_service_release_io(void)
+{
+       //FUN;
+       if (dec_dev.hwregs)
+               iounmap((void *)dec_dev.hwregs);
+       release_mem_region(dec_dev.iobaseaddr, dec_dev.iosize);
+
+       if (enc_dev.hwregs)
+               iounmap((void *)enc_dev.hwregs);
+       release_mem_region(enc_dev.iobaseaddr, enc_dev.iosize);
+}
+
+static int vpu_service_reserve_io(void)
+{
+       unsigned long iobaseaddr;
+       unsigned long iosize;
+
+       //FUN;
+       iobaseaddr      = dec_dev.iobaseaddr;
+       iosize          = dec_dev.iosize;
+
+       if (!request_mem_region(iobaseaddr, iosize, "vdpu_io")) {
+               pr_info("failed to reserve dec HW regs\n");
+               return -EBUSY;
+       }
+
+       dec_dev.hwregs = (volatile u32 *)ioremap_nocache(iobaseaddr, iosize);
+
+       if (dec_dev.hwregs == NULL) {
+               pr_info("failed to ioremap dec HW regs\n");
+               goto err;
+       }
+
+       /* check for correct HW */
+       if (!vpu_service_check_hw_id(&dec_dev, dec_hw_ids, ARRAY_SIZE(dec_hw_ids))) {
+               goto err;
+       }
+
+       iobaseaddr      = enc_dev.iobaseaddr;
+       iosize          = enc_dev.iosize;
+
+       if (!request_mem_region(iobaseaddr, iosize, "hx280enc")) {
+               pr_info("failed to reserve enc HW regs\n");
+               goto err;
+       }
+
+       enc_dev.hwregs = (volatile u32 *)ioremap_nocache(iobaseaddr, iosize);
+
+       if (enc_dev.hwregs == NULL) {
+               pr_info("failed to ioremap enc HW regs\n");
+               goto err;
+       }
+
+       /* check for correct HW */
+       if (!vpu_service_check_hw_id(&enc_dev, enc_hw_ids, ARRAY_SIZE(enc_hw_ids))) {
+               goto err;
+       }
+       return 0;
+
+err:
+       vpu_service_release_io();
+       return -EBUSY;
+}
+
+static int vpu_service_open(struct inode *inode, struct file *filp)
+{
+       vpu_session *session = (vpu_session *)kmalloc(sizeof(vpu_session), GFP_KERNEL);
+       //FUN;
+       if (NULL == session) {
+               pr_err("unable to allocate memory for vpu_session.");
+               return -ENOMEM;
+       }
+
+       session->type   = VPU_TYPE_BUTT;
+       session->pid    = current->pid;
+       INIT_LIST_HEAD(&session->waiting);
+       INIT_LIST_HEAD(&session->running);
+       INIT_LIST_HEAD(&session->done);
+       INIT_LIST_HEAD(&session->list_session);
+       init_waitqueue_head(&session->wait);
+       /* no need to protect */
+       list_add_tail(&session->list_session, &service.session);
+       filp->private_data = (void *)session;
+
+       pr_debug("dev opened\n");
+       return nonseekable_open(inode, filp);
+}
+
+static int vpu_service_release(struct inode *inode, struct file *filp)
+{
+       unsigned long flag;
+       vpu_session *session = (vpu_session *)filp->private_data;
+       //FUN;
+       if (NULL == session)
+               return -EINVAL;
+
+       wake_up_interruptible_sync(&session->wait);
+
+       msleep(50);
+       /* remove this filp from the asynchronusly notified filp's */
+       //vpu_service_fasync(-1, filp, 0);
+       list_del(&session->list_session);
+
+       spin_lock_irqsave(&service.lock, flag);
+       {
+       vpu_reg *reg, *n;
+       list_for_each_entry_safe(reg, n, &session->waiting, session_link) {
+               reg_deinit(reg);
+       }
+       list_for_each_entry_safe(reg, n, &session->running, session_link) {
+               reg_deinit(reg);
+       }
+       list_for_each_entry_safe(reg, n, &session->done, session_link) {
+               reg_deinit(reg);
+       }
+       }
+       spin_unlock_irqrestore(&service.lock, flag);
+
+       kfree(session);
+
+       pr_debug("dev closed\n");
+       return 0;
+}
+
+static const struct file_operations vpu_service_fops = {
+       .unlocked_ioctl = vpu_service_ioctl,
+       .open           = vpu_service_open,
+       .release        = vpu_service_release,
+       //.fasync       = vpu_service_fasync,
+};
+
+static struct miscdevice vpu_service_misc_device = {
+       .minor          = MISC_DYNAMIC_MINOR,
+       .name           = "vpu_service",
+       .fops           = &vpu_service_fops,
+};
+
+static void vpu_service_shutdown(struct platform_device *pdev)
+{
+       //FUN;
+       //printk("vpu_service_shutdown\n");
+       __cancel_delayed_work(&vpu_service_power_off_work);
+       vpu_service_power_off();
+       pr_cont("done\n");
+}
+
+static int vpu_service_suspend(struct platform_device *pdev, pm_message_t state)
+{
+       bool enabled;
+       //FUN;
+       //printk("vpu_service_suspend\n");
+       pr_info("suspend...");
+
+       __cancel_delayed_work(&vpu_service_power_off_work);
+       enabled = service.enabled;
+       vpu_service_power_off();
+       service.enabled = enabled;
+       return 0;
+}
+
+static int vpu_service_resume(struct platform_device *pdev)
+{
+       //FUN;
+       printk("vpu_service_resume\n");
+       if (service.enabled) {
+               service.enabled = false;
+               vpu_service_power_on();
+       }
+       return 0;
+}
+
+static struct platform_device vpu_service_device = {
+       .name              = "vpu_service",
+       .id                = -1,
+};
+
+static struct platform_driver vpu_service_driver = {
+       .driver    = {
+               .name  = "vpu_service",
+               .owner = THIS_MODULE,
+       },
+       .shutdown  = vpu_service_shutdown,
+       .suspend   = vpu_service_suspend,
+       .resume    = vpu_service_resume,
+};
+
+static void get_hw_info(void)
+{
+       VPUHwDecConfig_t *dec = &service.dec_config;
+       VPUHwEncConfig_t *enc = &service.enc_config;
+       u32 configReg   = dec_dev.hwregs[VPU_DEC_HWCFG0];
+       u32 asicID      = dec_dev.hwregs[0];
+
+       dec->h264Support    = (configReg >> DWL_H264_E) & 0x3U;
+       dec->jpegSupport    = (configReg >> DWL_JPEG_E) & 0x01U;
+       if (dec->jpegSupport && ((configReg >> DWL_PJPEG_E) & 0x01U))
+               dec->jpegSupport = JPEG_PROGRESSIVE;
+       dec->mpeg4Support   = (configReg >> DWL_MPEG4_E) & 0x3U;
+       dec->vc1Support     = (configReg >> DWL_VC1_E) & 0x3U;
+       dec->mpeg2Support   = (configReg >> DWL_MPEG2_E) & 0x01U;
+       dec->sorensonSparkSupport = (configReg >> DWL_SORENSONSPARK_E) & 0x01U;
+       dec->refBufSupport  = (configReg >> DWL_REF_BUFF_E) & 0x01U;
+       dec->vp6Support     = (configReg >> DWL_VP6_E) & 0x01U;
+       dec->maxDecPicWidth = configReg & 0x07FFU;
+
+       /* 2nd Config register */
+       configReg   = dec_dev.hwregs[VPU_DEC_HWCFG1];
+       if (dec->refBufSupport) {
+               if ((configReg >> DWL_REF_BUFF_ILACE_E) & 0x01U)
+                       dec->refBufSupport |= 2;
+               if ((configReg >> DWL_REF_BUFF_DOUBLE_E) & 0x01U)
+                       dec->refBufSupport |= 4;
+       }
+       dec->customMpeg4Support = (configReg >> DWL_MPEG4_CUSTOM_E) & 0x01U;
+       dec->vp7Support     = (configReg >> DWL_VP7_E) & 0x01U;
+       dec->vp8Support     = (configReg >> DWL_VP8_E) & 0x01U;
+       dec->avsSupport     = (configReg >> DWL_AVS_E) & 0x01U;
+
+       /* JPEG xtensions */
+       if (((asicID >> 16) >= 0x8190U) || ((asicID >> 16) == 0x6731U)) {
+               dec->jpegESupport = (configReg >> DWL_JPEG_EXT_E) & 0x01U;
+       } else {
+               dec->jpegESupport = JPEG_EXT_NOT_SUPPORTED;
+       }
+
+       if (((asicID >> 16) >= 0x9170U) || ((asicID >> 16) == 0x6731U) ) {
+               dec->rvSupport = (configReg >> DWL_RV_E) & 0x03U;
+       } else {
+               dec->rvSupport = RV_NOT_SUPPORTED;
+       }
+
+       dec->mvcSupport = (configReg >> DWL_MVC_E) & 0x03U;
+
+       if (dec->refBufSupport && (asicID >> 16) == 0x6731U ) {
+               dec->refBufSupport |= 8; /* enable HW support for offset */
+       }
+
+       {
+       VPUHwFuseStatus_t hwFuseSts;
+       /* Decoder fuse configuration */
+       u32 fuseReg = dec_dev.hwregs[VPU_DEC_HW_FUSE_CFG];
+
+       hwFuseSts.h264SupportFuse = (fuseReg >> DWL_H264_FUSE_E) & 0x01U;
+       hwFuseSts.mpeg4SupportFuse = (fuseReg >> DWL_MPEG4_FUSE_E) & 0x01U;
+       hwFuseSts.mpeg2SupportFuse = (fuseReg >> DWL_MPEG2_FUSE_E) & 0x01U;
+       hwFuseSts.sorensonSparkSupportFuse = (fuseReg >> DWL_SORENSONSPARK_FUSE_E) & 0x01U;
+       hwFuseSts.jpegSupportFuse = (fuseReg >> DWL_JPEG_FUSE_E) & 0x01U;
+       hwFuseSts.vp6SupportFuse = (fuseReg >> DWL_VP6_FUSE_E) & 0x01U;
+       hwFuseSts.vc1SupportFuse = (fuseReg >> DWL_VC1_FUSE_E) & 0x01U;
+       hwFuseSts.jpegProgSupportFuse = (fuseReg >> DWL_PJPEG_FUSE_E) & 0x01U;
+       hwFuseSts.rvSupportFuse = (fuseReg >> DWL_RV_FUSE_E) & 0x01U;
+       hwFuseSts.avsSupportFuse = (fuseReg >> DWL_AVS_FUSE_E) & 0x01U;
+       hwFuseSts.vp7SupportFuse = (fuseReg >> DWL_VP7_FUSE_E) & 0x01U;
+       hwFuseSts.vp8SupportFuse = (fuseReg >> DWL_VP8_FUSE_E) & 0x01U;
+       hwFuseSts.customMpeg4SupportFuse = (fuseReg >> DWL_CUSTOM_MPEG4_FUSE_E) & 0x01U;
+       hwFuseSts.mvcSupportFuse = (fuseReg >> DWL_MVC_FUSE_E) & 0x01U;
+
+       /* check max. decoder output width */
+
+       if (fuseReg & 0x8000U)
+               hwFuseSts.maxDecPicWidthFuse = 1920;
+       else if (fuseReg & 0x4000U)
+               hwFuseSts.maxDecPicWidthFuse = 1280;
+       else if (fuseReg & 0x2000U)
+               hwFuseSts.maxDecPicWidthFuse = 720;
+       else if (fuseReg & 0x1000U)
+               hwFuseSts.maxDecPicWidthFuse = 352;
+       else    /* remove warning */
+               hwFuseSts.maxDecPicWidthFuse = 352;
+
+       hwFuseSts.refBufSupportFuse = (fuseReg >> DWL_REF_BUFF_FUSE_E) & 0x01U;
+
+       /* Pp configuration */
+       configReg = dec_dev.hwregs[VPU_PP_HW_SYNTH_CFG];
+
+       if ((configReg >> DWL_PP_E) & 0x01U) {
+               dec->ppSupport = 1;
+               dec->maxPpOutPicWidth = configReg & 0x07FFU;
+               /*pHwCfg->ppConfig = (configReg >> DWL_CFG_E) & 0x0FU; */
+               dec->ppConfig = configReg;
+       } else {
+               dec->ppSupport = 0;
+               dec->maxPpOutPicWidth = 0;
+               dec->ppConfig = 0;
+       }
+
+       /* check the HW versio */
+       if (((asicID >> 16) >= 0x8190U) || ((asicID >> 16) == 0x6731U)) {
+               /* Pp configuration */
+               configReg = dec_dev.hwregs[VPU_DEC_HW_FUSE_CFG];
+
+               if ((configReg >> DWL_PP_E) & 0x01U) {
+                       /* Pp fuse configuration */
+                       u32 fuseRegPp = dec_dev.hwregs[VPU_PP_HW_FUSE_CFG];
+
+                       if ((fuseRegPp >> DWL_PP_FUSE_E) & 0x01U) {
+                               hwFuseSts.ppSupportFuse = 1;
+                               /* check max. pp output width */
+                               if      (fuseRegPp & 0x8000U) hwFuseSts.maxPpOutPicWidthFuse = 1920;
+                               else if (fuseRegPp & 0x4000U) hwFuseSts.maxPpOutPicWidthFuse = 1280;
+                               else if (fuseRegPp & 0x2000U) hwFuseSts.maxPpOutPicWidthFuse = 720;
+                               else if (fuseRegPp & 0x1000U) hwFuseSts.maxPpOutPicWidthFuse = 352;
+                               else                          hwFuseSts.maxPpOutPicWidthFuse = 352;
+                               hwFuseSts.ppConfigFuse = fuseRegPp;
+                       } else {
+                               hwFuseSts.ppSupportFuse = 0;
+                               hwFuseSts.maxPpOutPicWidthFuse = 0;
+                               hwFuseSts.ppConfigFuse = 0;
+                       }
+               } else {
+                       hwFuseSts.ppSupportFuse = 0;
+                       hwFuseSts.maxPpOutPicWidthFuse = 0;
+                       hwFuseSts.ppConfigFuse = 0;
+               }
+
+               if (dec->maxDecPicWidth > hwFuseSts.maxDecPicWidthFuse)
+                       dec->maxDecPicWidth = hwFuseSts.maxDecPicWidthFuse;
+               if (dec->maxPpOutPicWidth > hwFuseSts.maxPpOutPicWidthFuse)
+                       dec->maxPpOutPicWidth = hwFuseSts.maxPpOutPicWidthFuse;
+               if (!hwFuseSts.h264SupportFuse) dec->h264Support = H264_NOT_SUPPORTED;
+               if (!hwFuseSts.mpeg4SupportFuse) dec->mpeg4Support = MPEG4_NOT_SUPPORTED;
+               if (!hwFuseSts.customMpeg4SupportFuse) dec->customMpeg4Support = MPEG4_CUSTOM_NOT_SUPPORTED;
+               if (!hwFuseSts.jpegSupportFuse) dec->jpegSupport = JPEG_NOT_SUPPORTED;
+               if ((dec->jpegSupport == JPEG_PROGRESSIVE) && !hwFuseSts.jpegProgSupportFuse)
+                       dec->jpegSupport = JPEG_BASELINE;
+               if (!hwFuseSts.mpeg2SupportFuse) dec->mpeg2Support = MPEG2_NOT_SUPPORTED;
+               if (!hwFuseSts.vc1SupportFuse) dec->vc1Support = VC1_NOT_SUPPORTED;
+               if (!hwFuseSts.vp6SupportFuse) dec->vp6Support = VP6_NOT_SUPPORTED;
+               if (!hwFuseSts.vp7SupportFuse) dec->vp7Support = VP7_NOT_SUPPORTED;
+               if (!hwFuseSts.vp8SupportFuse) dec->vp8Support = VP8_NOT_SUPPORTED;
+               if (!hwFuseSts.ppSupportFuse) dec->ppSupport = PP_NOT_SUPPORTED;
+
+               /* check the pp config vs fuse status */
+               if ((dec->ppConfig & 0xFC000000) && ((hwFuseSts.ppConfigFuse & 0xF0000000) >> 5)) {
+                       u32 deInterlace = ((dec->ppConfig & PP_DEINTERLACING) >> 25);
+                       u32 alphaBlend  = ((dec->ppConfig & PP_ALPHA_BLENDING) >> 24);
+                       u32 deInterlaceFuse = (((hwFuseSts.ppConfigFuse >> 5) & PP_DEINTERLACING) >> 25);
+                       u32 alphaBlendFuse  = (((hwFuseSts.ppConfigFuse >> 5) & PP_ALPHA_BLENDING) >> 24);
+
+                       if (deInterlace && !deInterlaceFuse) dec->ppConfig &= 0xFD000000;
+                       if (alphaBlend && !alphaBlendFuse) dec->ppConfig &= 0xFE000000;
+               }
+               if (!hwFuseSts.sorensonSparkSupportFuse) dec->sorensonSparkSupport = SORENSON_SPARK_NOT_SUPPORTED;
+               if (!hwFuseSts.refBufSupportFuse)   dec->refBufSupport = REF_BUF_NOT_SUPPORTED;
+               if (!hwFuseSts.rvSupportFuse)       dec->rvSupport = RV_NOT_SUPPORTED;
+               if (!hwFuseSts.avsSupportFuse)      dec->avsSupport = AVS_NOT_SUPPORTED;
+               if (!hwFuseSts.mvcSupportFuse)      dec->mvcSupport = MVC_NOT_SUPPORTED;
+       }
+       }
+       configReg = enc_dev.hwregs[63];
+       enc->maxEncodedWidth = configReg & ((1 << 11) - 1);
+       enc->h264Enabled = (configReg >> 27) & 1;
+       enc->mpeg4Enabled = (configReg >> 26) & 1;
+       enc->jpegEnabled = (configReg >> 25) & 1;
+       enc->vsEnabled = (configReg >> 24) & 1;
+       enc->rgbEnabled = (configReg >> 28) & 1;
+       enc->busType = (configReg >> 20) & 15;
+       enc->synthesisLanguage = (configReg >> 16) & 15;
+       enc->busWidth = (configReg >> 12) & 15;
+}
+
+static irqreturn_t vdpu_isr(int irq, void *dev_id)
+{
+       vpu_device *dev = (vpu_device *) dev_id;
+       u32 irq_status_dec = readl(dev->hwregs + DEC_INTERRUPT_REGISTER);
+       u32 irq_status_pp  = readl(dev->hwregs + PP_INTERRUPT_REGISTER);
+
+       pr_debug("vdpu_isr dec %x pp %x\n", irq_status_dec, irq_status_pp);
+
+       if (irq_status_dec & DEC_INTERRUPT_BIT) {
+               irq_status_dec = readl(dev->hwregs + DEC_INTERRUPT_REGISTER);
+               if ((irq_status_dec & 0x40001) == 0x40001)
+               {
+                       do {
+                               irq_status_dec = readl(dev->hwregs + DEC_INTERRUPT_REGISTER);
+                       } while ((irq_status_dec & 0x40001) == 0x40001);
+               }
+               /* clear dec IRQ */
+               writel(irq_status_dec & (~DEC_INTERRUPT_BIT), dev->hwregs + DEC_INTERRUPT_REGISTER);
+               pr_debug("DEC IRQ received!\n");
+               if (NULL == service.reg_dec) {
+                       pr_err("dec isr with no task waiting\n");
+               } else {
+                       reg_from_run_to_done(service.reg_dec);
+               }
+       }
+
+       if (irq_status_pp & PP_INTERRUPT_BIT) {
+               /* clear pp IRQ */
+               writel(irq_status_pp & (~DEC_INTERRUPT_BIT), dev->hwregs + PP_INTERRUPT_REGISTER);
+               pr_debug("PP IRQ received!\n");
+
+               if (NULL == service.reg_pp) {
+                       pr_err("pp isr with no task waiting\n");
+               } else {
+                       reg_from_run_to_done(service.reg_pp);
+               }
+       }
+       try_set_reg();
+       return IRQ_HANDLED;
+}
+
+static irqreturn_t vepu_isr(int irq, void *dev_id)
+{
+       struct vpu_device *dev = (struct vpu_device *) dev_id;
+       u32 irq_status = readl(dev->hwregs + ENC_INTERRUPT_REGISTER);
+
+       pr_debug("enc_isr\n");
+
+       if (likely(irq_status & ENC_INTERRUPT_BIT)) {
+               /* clear enc IRQ */
+               writel(irq_status & (~ENC_INTERRUPT_BIT), dev->hwregs + ENC_INTERRUPT_REGISTER);
+               pr_debug("ENC IRQ received!\n");
+
+               if (NULL == service.reg_enc) {
+                       pr_err("enc isr with no task waiting\n");
+               } else {
+                       reg_from_run_to_done(service.reg_enc);
+               }
+       }
+       try_set_reg();
+       return IRQ_HANDLED;
+}
+
+static int __init vpu_service_init(void)
+{
+       int ret;
+
+       pr_debug("baseaddr = 0x%08x vdpu irq = %d vepu irq = %d\n", RK29_VCODEC_PHYS, IRQ_VDPU, IRQ_VEPU);
+
+       dec_dev.iobaseaddr      = RK29_VCODEC_PHYS + 0x200;
+       dec_dev.iosize          = DEC_IO_SIZE;
+       enc_dev.iobaseaddr      = RK29_VCODEC_PHYS;
+       enc_dev.iosize          = ENC_IO_SIZE;
+
+       INIT_LIST_HEAD(&service.waiting);
+       INIT_LIST_HEAD(&service.running);
+       INIT_LIST_HEAD(&service.done);
+       INIT_LIST_HEAD(&service.session);
+       spin_lock_init(&service.lock);
+       service.reg_dec         = NULL;
+       service.reg_enc         = NULL;
+       service.reg_pp          = NULL;
+       atomic_set(&service.task_running, 0);
+       service.enabled = false;
+
+       vpu_get_clk();
+       vpu_service_power_on();
+
+       ret = vpu_service_reserve_io();
+       if (ret < 0) {
+               pr_err("reserve io failed\n");
+               goto err_reserve_io;
+       }
+
+       /* get the IRQ line */
+       ret = request_irq(IRQ_VDPU, vdpu_isr, IRQF_SHARED, "vdpu", (void *)&dec_dev);
+       if (ret) {
+               pr_err("can't request vdpu irq %d\n", IRQ_VDPU);
+               goto err_req_vdpu_irq;
+       }
+
+       ret = request_irq(IRQ_VEPU, vepu_isr, IRQF_SHARED, "vepu", (void *)&enc_dev);
+       if (ret) {
+               pr_err("can't request vepu irq %d\n", IRQ_VEPU);
+               goto err_req_vepu_irq;
+       }
+
+       ret = misc_register(&vpu_service_misc_device);
+       if (ret) {
+               pr_err("misc_register failed\n");
+               goto err_register;
+       }
+
+       platform_device_register(&vpu_service_device);
+       platform_driver_probe(&vpu_service_driver, NULL);
+       get_hw_info();
+       vpu_service_power_off();
+       pr_info("init success\n");
+
+       return 0;
+
+err_register:
+       free_irq(IRQ_VEPU, (void *)&enc_dev);
+err_req_vepu_irq:
+       free_irq(IRQ_VDPU, (void *)&dec_dev);
+err_req_vdpu_irq:
+       pr_info("init failed\n");
+err_reserve_io:
+       vpu_service_power_off();
+       vpu_service_release_io();
+       vpu_put_clk();
+       pr_info("init failed\n");
+       return ret;
+}
+
+static void __exit vpu_service_exit(void)
+{
+       __cancel_delayed_work(&vpu_service_power_off_work);
+       vpu_service_power_off();
+       platform_device_unregister(&vpu_service_device);
+       platform_driver_unregister(&vpu_service_driver);
+       misc_deregister(&vpu_service_misc_device);
+       free_irq(IRQ_VEPU, (void *)&enc_dev);
+       free_irq(IRQ_VDPU, (void *)&dec_dev);
+       vpu_put_clk();
+}
+
+module_init(vpu_service_init);
+module_exit(vpu_service_exit);
+MODULE_LICENSE("GPL");
+
+#ifdef CONFIG_PROC_FS
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+static int proc_vpu_service_show(struct seq_file *s, void *v)
+{
+       unsigned int i, n;
+       unsigned long flag;
+       vpu_reg *reg, *reg_tmp;
+       vpu_session *session, *session_tmp;
+
+       cancel_delayed_work_sync(&vpu_service_power_off_work);
+       vpu_service_power_on();
+       seq_printf(s, "\nENC Registers:\n");
+       n = enc_dev.iosize >> 2;
+       for (i = 0; i < n; i++) {
+               seq_printf(s, "\tswreg%d = %08X\n", i, readl(enc_dev.hwregs + i));
+       }
+       seq_printf(s, "\nDEC Registers:\n");
+       n = dec_dev.iosize >> 2;
+       for (i = 0; i < n; i++) {
+               seq_printf(s, "\tswreg%d = %08X\n", i, readl(dec_dev.hwregs + i));
+       }
+
+       seq_printf(s, "\nvpu service status:\n");
+       spin_lock_irqsave(&service.lock, flag);
+       list_for_each_entry_safe(session, session_tmp, &service.session, list_session) {
+               seq_printf(s, "session pid %d type %d:\n", session->pid, session->type);
+               //seq_printf(s, "waiting reg set %d\n");
+               list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link) {
+                       seq_printf(s, "waiting register set\n");
+               }
+               list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link) {
+                       seq_printf(s, "running register set\n");
+               }
+               list_for_each_entry_safe(reg, reg_tmp, &session->done, session_link) {
+                       seq_printf(s, "done    register set\n");
+               }
+       }
+       spin_unlock_irqrestore(&service.lock, flag);
+       schedule_delayed_work(&vpu_service_power_off_work, POWER_OFF_DELAY);
+
+       return 0;
+}
+
+static int proc_vpu_service_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, proc_vpu_service_show, NULL);
+}
+
+static const struct file_operations proc_vpu_service_fops = {
+       .open           = proc_vpu_service_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init vpu_service_proc_init(void)
+{
+       proc_create("vpu_service", 0, NULL, &proc_vpu_service_fops);
+       return 0;
+
+}
+late_initcall(vpu_service_proc_init);
+#endif /* CONFIG_PROC_FS */
+