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unplugged-kernel/drivers/misc/mediatek/videocodec/mt6765/videocodec_kernel_driver.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 MediaTek Inc.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/device.h>
#include <linux/kdev_t.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/mm_types.h>
#include <linux/mm.h>
#include <linux/jiffies.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
#include <asm/page.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
/* #include <mach/irqs.h> */
/* #include <mach/x_define_irq.h> */
#include <linux/wait.h>
#include <linux/proc_fs.h>
#include <linux/semaphore.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>
#include <linux/sched.h>
#include <linux/suspend.h>
#include <linux/pm_wakeup.h>
/* #include <mt-plat/dma.h> */
#include "mt-plat/sync_write.h"
#include <linux/soc/mediatek/mtk-pm-qos.h>
#include <mmdvfs_pmqos.h>
#ifndef CONFIG_MTK_CLKMGR
#include <linux/clk.h>
#else
#include "mach/mt_clkmgr.h"
#endif
#ifdef CONFIG_MTK_HIBERNATION
#include <mtk_hibernate_dpm.h>
#include <mach/diso.h>
#endif
#include "videocodec_kernel_driver.h"
#include "../videocodec_kernel.h"
#include "smi_public.h"
#include <asm/cacheflush.h>
#include <linux/io.h>
#include <asm/sizes.h>
#include "val_types_private.h"
#include "hal_types_private.h"
#include "val_api_private.h"
#include "drv_api.h"
#define VCODEC_DVFS_V2
#ifdef VCODEC_DVFS_V2
#include <linux/slab.h>
#include "dvfs_v2.h"
#endif
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#if IS_ENABLED(CONFIG_COMPAT)
#include <linux/uaccess.h>
#include <linux/compat.h>
#endif
#define VDO_HW_WRITE(ptr, data) mt_reg_sync_writel(data, ptr)
#define VDO_HW_READ(ptr) readl((void __iomem *)ptr)
#define VCODEC_DEVNAME "Vcodec"
#define VCODEC_DEVNAME2 "Vcodec2"
#define VCODEC_DEV_MAJOR_NUMBER 160 /* 189 */
static dev_t vcodec_devno = MKDEV(VCODEC_DEV_MAJOR_NUMBER, 0);
static dev_t vcodec_devno2 = MKDEV(VCODEC_DEV_MAJOR_NUMBER, 1);
static struct cdev *vcodec_cdev;
static struct class *vcodec_class;
static struct device *vcodec_device;
struct mtk_pm_qos_request vcodec_qos_request;
struct mtk_pm_qos_request vcodec_qos_request2;
struct mtk_pm_qos_request vcodec_qos_request_f;
struct mtk_pm_qos_request vcodec_qos_request_f2;
#ifdef CONFIG_PM
static struct cdev *vcodec_cdev2;
static struct class *vcodec_class2;
static struct device *vcodec_device2;
#endif
static struct clk *clk_MT_CG_VDEC; /* VENC_GCON_VDEC */
static struct clk *clk_MT_CG_VENC; /* VENC_GCON_VENC */
static struct clk *clk_MT_SCP_SYS_VCODEC; /* SCP_SYS_VCODEC */
static struct clk *clk_MT_SCP_SYS_DISP; /* SCP_SYS_DISP */
#ifndef CONFIG_MTK_SMI_EXT
static struct clk *clk_MT_CG_SMI_COMMON;
static struct clk *clk_MT_CG_SMI_COMM0;
static struct clk *clk_MT_CG_SMI_COMM1;
#endif
static DEFINE_MUTEX(IsOpenedLock);
static DEFINE_MUTEX(PWRLock);
static DEFINE_MUTEX(HWLock);
static DEFINE_MUTEX(EncEMILock);
static DEFINE_MUTEX(DecEMILock);
static DEFINE_MUTEX(DriverOpenCountLock);
static DEFINE_MUTEX(HWLockEventTimeoutLock);
static DEFINE_MUTEX(DecPMQoSLock);
static DEFINE_MUTEX(EncPMQoSLock);
static DEFINE_MUTEX(VdecPWRLock);
static DEFINE_MUTEX(VencPWRLock);
static DEFINE_MUTEX(LogCountLock);
static DEFINE_SPINLOCK(DecIsrLock);
static DEFINE_SPINLOCK(EncIsrLock);
static DEFINE_SPINLOCK(LockDecHWCountLock);
static DEFINE_SPINLOCK(LockEncHWCountLock);
static DEFINE_SPINLOCK(DecISRCountLock);
static DEFINE_SPINLOCK(EncISRCountLock);
static struct VAL_EVENT_T HWLockEvent; /* mutex : HWLockEventTimeoutLock */
static struct VAL_EVENT_T DecIsrEvent; /* mutex : HWLockEventTimeoutLock */
static struct VAL_EVENT_T EncIsrEvent; /* mutex : HWLockEventTimeoutLock */
static int Driver_Open_Count; /* mutex : DriverOpenCountLock */
static unsigned int gu4PWRCounter; /* mutex : PWRLock */
static unsigned int gu4EncEMICounter; /* mutex : EncEMILock */
static unsigned int gu4DecEMICounter; /* mutex : DecEMILock */
static char bIsOpened = VAL_FALSE; /* mutex : IsOpenedLock */
static unsigned int gu4HwVencIrqStatus; /* hardware VENC IRQ status(VP8/H264) */
static unsigned int gu4VdecPWRCounter; /* mutex : VdecPWRLock */
static unsigned int gu4VencPWRCounter; /* mutex : VencPWRLock */
static unsigned int gu4LogCountUser; /* mutex : LogCountLock */
static unsigned int gu4LogCount;
static unsigned int gLockTimeOutCount;
static unsigned int gu4VdecLockThreadId;
#define USE_WAKELOCK 0
#if USE_WAKELOCK == 1
static struct wakeup_source v_wakeup_src;
#elif USE_WAKELOCK == 0
static unsigned int is_entering_suspend;
#endif
/*#define VCODEC_DEBUG*/
#ifdef VCODEC_DEBUG
#undef VCODEC_DEBUG
#define VCODEC_DEBUG pr_info
#undef pr_debug
#define pr_debug pr_info
#else
#define VCODEC_DEBUG(...)
#undef pr_debug
#define pr_debug(...)
#endif
/* VENC physical base address */
#undef VENC_BASE
#define VENC_BASE 0x17002000
#define VENC_REGION 0x1000
/* VDEC virtual base address */
#define VDEC_BASE_PHY 0x17000000
#define VDEC_REGION 0x50000
#define HW_BASE 0x7FFF000
#define HW_REGION 0x2000
#define INFO_BASE 0x10000000
#define INFO_REGION 0x1000
/* #define VENC_IRQ_STATUS_addr (VENC_BASE + 0x05C)
*#define VENC_IRQ_ACK_addr (VENC_BASE + 0x060)
*#define VENC_MP4_IRQ_ACK_addr (VENC_BASE + 0x678)
*#define VENC_MP4_IRQ_STATUS_addr (VENC_BASE + 0x67C)
*#define VENC_ZERO_COEF_COUNT_addr (VENC_BASE + 0x688)
*#define VENC_BYTE_COUNT_addr (VENC_BASE + 0x680)
*#define VENC_MP4_IRQ_ENABLE_addr (VENC_BASE + 0x668)
*#define VENC_MP4_STATUS_addr (VENC_BASE + 0x664)
*#define VENC_MP4_MVQP_STATUS_addr (VENC_BASE + 0x6E4)
*/
#define VENC_IRQ_STATUS_SPS 0x1
#define VENC_IRQ_STATUS_PPS 0x2
#define VENC_IRQ_STATUS_FRM 0x4
#define VENC_IRQ_STATUS_DRAM 0x8
#define VENC_IRQ_STATUS_PAUSE 0x10
#define VENC_IRQ_STATUS_SWITCH 0x20
/* VDEC virtual base address */
/*#define VDEC_MISC_BASE (VDEC_BASE + 0x0000)
*#define VDEC_VLD_BASE (VDEC_BASE + 0x1000)
*/
#define DRAM_DONE_POLLING_LIMIT 20000
void *KVA_VENC_IRQ_ACK_ADDR, *KVA_VENC_IRQ_STATUS_ADDR, *KVA_VENC_BASE;
void *KVA_VDEC_MISC_BASE, *KVA_VDEC_VLD_BASE;
void *KVA_VDEC_BASE, *KVA_VDEC_GCON_BASE, *KVA_MBIST_BASE;
unsigned int VENC_IRQ_ID, VDEC_IRQ_ID;
/* #define KS_POWER_WORKAROUND */
/* extern unsigned long pmem_user_v2p_video(unsigned long va); */
/* #include <mtk_smi.h> */
/* disable temporary for alaska DVT verification, smi seems not ready */
#define ENABLE_MMDVFS_VDEC
#ifdef ENABLE_MMDVFS_VDEC
/* <--- MM DVFS related */
/* #include <mmdvfs_config_util.h> */
#define MIN_VDEC_FREQ 228
#define MIN_VENC_FREQ 228
#define STD_VDEC_FREQ 320
#define STD_VENC_FREQ 320
static int gVDECBWRequested;
static int gVENCBWRequested;
static u64 g_dec_freq;
static u64 g_enc_freq;
static unsigned int gVDECFrmTRAVC[4] = {12, 24, 40, 12}; /* /3 for real ratio */
static unsigned int gVDECFrmTRHEVC[4] = {12, 24, 40, 12};
/* 3rd element for VP mode */
static unsigned int gVDECFrmTRMP2_4[5] = {16, 20, 32, 50, 16};
static unsigned int gVENCFrmTRAVC[3] = {6, 12, 6};
static u32 dec_step_size;
static u32 enc_step_size;
static u64 g_dec_freq_steps[MAX_FREQ_STEP];
static u64 g_enc_freq_steps[MAX_FREQ_STEP];
#ifdef VCODEC_DVFS_V2
static struct codec_history *codec_hists;
static struct codec_job *codec_jobs;
static DEFINE_MUTEX(VcodecDVFSLock);
#endif
#endif
unsigned int TimeDiffMs(struct VAL_TIME_T timeOld, struct VAL_TIME_T timeNew)
{
/* pr_info ("@@ timeOld(%d, %d), timeNew(%d, %d)", */
/* timeOld.u4Sec, timeOld.u4uSec, timeNew.u4Sec, timeNew.u4uSec); */
return ((((timeNew.u4Sec - timeOld.u4Sec) * 1000000) + timeNew.u4uSec) -
timeOld.u4uSec) / 1000;
}
void *mt_venc_base_get(void)
{
return (void *)KVA_VENC_BASE;
}
EXPORT_SYMBOL(mt_venc_base_get);
void *mt_vdec_base_get(void)
{
return (void *)KVA_VDEC_BASE;
}
EXPORT_SYMBOL(mt_vdec_base_get);
/* void vdec_log_status(void)
*{
* unsigned int u4DataStatusMain = 0;
* unsigned int i = 0;
*
* for (i = 45; i < 72; i++) {
* if (i == 45 || i == 46 || i == 52 || i == 58 ||
* i == 59 || i == 61 || i == 62 || i == 63 ||
* i == 71) {
* u4DataStatusMain = VDO_HW_READ(KVA_VDEC_VLD_BASE+(i*4));
* pr_info("[VCODEC][DUMP] "
* "VLD_%d = %x\n", i, u4DataStatusMain);
* }
* }
*
* for (i = 66; i < 80; i++) {
* u4DataStatusMain = VDO_HW_READ(KVA_VDEC_MISC_BASE+(i*4));
* pr_info("[VCODEC][DUMP] "
* "MISC_%d = %x\n", i, u4DataStatusMain);
* }
*
*}
*/
/* TODO: Check register for shared vdec/venc */
void vdec_polling_status(void)
{
unsigned int u4DataStatusMain = 0;
unsigned int u4DataStatus = 0;
unsigned int u4CgStatus = 0;
unsigned int u4Counter = 0;
void *u4Reg = 0;
u4CgStatus = VDO_HW_READ(KVA_VDEC_GCON_BASE);
u4DataStatusMain = VDO_HW_READ(KVA_VDEC_VLD_BASE+(61*4));
while ((u4CgStatus != 0) && (u4DataStatusMain & (1<<15)) &&
((u4DataStatusMain & 1) != 1)) {
u4CgStatus = VDO_HW_READ(KVA_VDEC_GCON_BASE);
u4DataStatusMain = VDO_HW_READ(KVA_VDEC_VLD_BASE+(61*4));
if (u4Counter++ > DRAM_DONE_POLLING_LIMIT) {
unsigned int u4IntStatus = 0;
unsigned int i = 0;
pr_notice("[ERROR] Leftover data before power down");
for (i = 45; i < 72; i++) {
if (i == 45 || i == 46 || i == 52 || i == 58 ||
i == 59 || i == 61 || i == 62 ||
i == 63 || i == 71){
u4Reg = KVA_VDEC_VLD_BASE+(i*4);
u4IntStatus = VDO_HW_READ(u4Reg);
pr_notice("[VCODEC] VLD_%d = %x\n",
i, u4IntStatus);
}
}
for (i = 66; i < 80; i++) {
u4Reg = KVA_VDEC_MISC_BASE+(i*4);
u4DataStatus = VDO_HW_READ(u4Reg);
pr_info("[VCODEC] MISC_%d = %x\n",
i, u4DataStatus);
}
#ifdef CONFIG_MTK_SMI_EXT
smi_debug_bus_hang_detect(false, "VDEC");
#endif
/* mmsys_cg_check(); */
u4Counter = 0;
WARN_ON(1);
}
}
/* pr_info("u4Counter %d\n", u4Counter); */
}
void vdec_power_on(void)
{
int ret = 0;
mutex_lock(&VdecPWRLock);
gu4VdecPWRCounter++;
mutex_unlock(&VdecPWRLock);
ret = 0;
ret = clk_prepare_enable(clk_MT_SCP_SYS_DISP);
if (ret) {
/* print error log & error handling */
pr_info("[VDEC] MT_SCP_SYS_DISP is not on, ret = %d\n",
ret);
}
#if defined(CONFIG_MTK_SMI_EXT)
smi_bus_prepare_enable(SMI_LARB1, "VDEC");
#else
ret = clk_prepare_enable(clk_MT_CG_SMI_COMM0);
if (ret) {
/* print error log & error handling */
pr_info("[VCODEC] MT_CG_SMI_COMM0 is not on, ret = %d\n",
ret);
}
ret = clk_prepare_enable(clk_MT_CG_SMI_COMM1);
if (ret) {
/* print error log & error handling */
pr_info("[VCODEC] MT_CG_SMI_COMM1 is not on, ret = %d\n",
ret);
}
ret = clk_prepare_enable(clk_MT_CG_SMI_COMMON);
if (ret) {
/* print error log & error handling */
pr_info("[VCODEC] MT_CG_SMI_COMMON is not on, ret = %d\n",
ret);
}
#endif
ret = clk_prepare_enable(clk_MT_SCP_SYS_VCODEC);
if (ret) {
/* print error log & error handling */
pr_info("[VCODEC] MT_SCP_SYS_VDE is not on, ret = %d\n", ret);
}
ret = clk_prepare_enable(clk_MT_CG_VDEC);
if (ret) {
/* print error log & error handling */
pr_info("[VCODEC] MT_CG_VDEC is not on, ret = %d\n", ret);
}
#if defined(CONFIG_MACH_MT6761)
/* GF14 type SRAM power on config */
VDO_HW_WRITE(KVA_MBIST_BASE, 0x93CEB);
#endif
}
#ifdef VCODEC_DEBUG_SYS
static ssize_t vcodec_debug_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
#ifdef ENABLE_MMDVFS_VDEC
#ifndef VCODEC_DVFS_V2
#endif
return sprintf(buf, "Not profiling(%d).\n", vcodecDebugMode);
#endif
}
static ssize_t vcodec_debug_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t count)
{
if (sscanf(buf, "%du", &vcodecDebugMode) == 1) {
/* Add one line comment to meet coding style */
pr_debug("[VCODEC][%s] Input is stored\n", __func__);
}
return count;
}
vcodec_attr(vcodec_debug);
#endif
void vdec_power_off(void)
{
mutex_lock(&VdecPWRLock);
if (gu4VdecPWRCounter == 0) {
pr_debug("[VCODEC] gu4VdecPWRCounter = 0\n");
} else {
vdec_polling_status();
/* VCODEC_SEL reset */
do {
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 0x20, 0);
} while (VDO_HW_READ(KVA_VDEC_GCON_BASE + 0x20) != 0);
gu4VdecPWRCounter--;
clk_disable_unprepare(clk_MT_CG_VDEC);
clk_disable_unprepare(clk_MT_SCP_SYS_VCODEC);
#if defined(CONFIG_MTK_SMI_EXT)
smi_bus_disable_unprepare(SMI_LARB1, "VDEC");
#else
clk_disable_unprepare(clk_MT_CG_SMI_COMMON);
clk_disable_unprepare(clk_MT_CG_SMI_COMM1);
clk_disable_unprepare(clk_MT_CG_SMI_COMM0);
#endif
clk_disable_unprepare(clk_MT_SCP_SYS_DISP);
}
mutex_unlock(&VdecPWRLock);
mutex_lock(&DecPMQoSLock);
/* pr_debug("[PMQoS] vdec_power_off reset to 0"); */
mtk_pm_qos_update_request(&vcodec_qos_request, 0);
gVDECBWRequested = 0;
#ifdef VCODEC_DVFS_V2
mtk_pm_qos_update_request(&vcodec_qos_request_f, 0);
#endif
mutex_unlock(&DecPMQoSLock);
}
void venc_power_on(void)
{
int ret = 0;
mutex_lock(&VencPWRLock);
gu4VencPWRCounter++;
mutex_unlock(&VencPWRLock);
ret = 0;
ret = clk_prepare_enable(clk_MT_SCP_SYS_DISP);
if (ret) {
/* print error log & error handling */
pr_info("[VENC] MT_SCP_SYS_DISP is not on, ret = %d\n",
ret);
}
#if defined(CONFIG_MTK_SMI_EXT)
smi_bus_prepare_enable(SMI_LARB1, "VENC");
#else
ret = clk_prepare_enable(clk_MT_CG_SMI_COMM0);
if (ret) {
/* print error log & error handling */
pr_info("[VENC] MT_CG_SMI_COMM0 is not on, ret = %d\n",
ret);
}
ret = clk_prepare_enable(clk_MT_CG_SMI_COMM1);
if (ret) {
/* print error log & error handling */
pr_info("[VENC] MT_CG_SMI_COMM1 is not on, ret = %d\n",
ret);
}
ret = clk_prepare_enable(clk_MT_CG_SMI_COMMON);
if (ret) {
/* print error log & error handling */
pr_info("[VENC] MT_CG_SMI_COMMON is not on, ret = %d\n",
ret);
}
#endif
ret = clk_prepare_enable(clk_MT_SCP_SYS_VCODEC);
if (ret) {
/* print error log & error handling */
pr_info("[VENC] MT_SCP_SYS_VEN is not on, ret = %d\n",
ret);
}
ret = clk_prepare_enable(clk_MT_CG_VENC);
if (ret) {
/* print error log & error handling */
pr_info("[VENC] MT_CG_VENC is not on, ret = %d\n",
ret);
}
#if defined(CONFIG_MACH_MT6761)
/* GF14 type SRAM power on config */
VDO_HW_WRITE(KVA_MBIST_BASE, 0x93CEB);
#endif
}
void venc_power_off(void)
{
mutex_lock(&VencPWRLock);
do {
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 0x20, 0);
} while (VDO_HW_READ(KVA_VDEC_GCON_BASE + 0x20) != 0);
if (gu4VencPWRCounter == 0) {
pr_debug("[VENC] gu4VencPWRCounter = 0\n");
} else {
gu4VencPWRCounter--;
clk_disable_unprepare(clk_MT_CG_VENC);
clk_disable_unprepare(clk_MT_SCP_SYS_VCODEC);
#if defined(CONFIG_MTK_SMI_EXT)
smi_bus_disable_unprepare(SMI_LARB1, "VENC");
#else
clk_disable_unprepare(clk_MT_CG_SMI_COMMON);
clk_disable_unprepare(clk_MT_CG_SMI_COMM1);
clk_disable_unprepare(clk_MT_CG_SMI_COMM0);
#endif
clk_disable_unprepare(clk_MT_SCP_SYS_DISP);
}
mutex_unlock(&VencPWRLock);
mutex_lock(&EncPMQoSLock);
/* pr_debug("[PMQoS] venc_power_off reset to 0"); */
mtk_pm_qos_update_request(&vcodec_qos_request2, 0);
gVENCBWRequested = 0;
#ifdef VCODEC_DVFS_V2
mtk_pm_qos_update_request(&vcodec_qos_request_f2, 0);
#endif
mutex_unlock(&EncPMQoSLock);
}
void vdec_break(void)
{
unsigned int i;
/* Step 1: set vdec_break */
VDO_HW_WRITE(KVA_VDEC_MISC_BASE + 64*4, 0x1);
/* Step 2: monitor status vdec_break_ok */
for (i = 0; i < 5000; i++) {
if ((VDO_HW_READ(KVA_VDEC_MISC_BASE + 65*4) & 0x11) == 0x11) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
break;
}
}
if (i >= 5000) {
unsigned int j;
unsigned int u4DataStatus = 0;
pr_info("Leftover data access before powering down\n");
for (j = 68; j < 80; j++) {
u4DataStatus = VDO_HW_READ(KVA_VDEC_MISC_BASE+(j*4));
pr_info("[VCODEC][DUMP] MISC_%d = 0x%08x",
j, u4DataStatus);
}
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(45*4));
pr_info("[VCODEC][DUMP] VLD_45 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(46*4));
pr_info("[VCODEC][DUMP] VLD_46 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(52*4));
pr_info("[VCODEC][DUMP] VLD_52 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(58*4));
pr_info("[VCODEC][DUMP] VLD_58 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(59*4));
pr_info("[VCODEC][DUMP] VLD_59 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(61*4));
pr_info("[VCODEC][DUMP] VLD_61 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(62*4));
pr_info("[VCODEC][DUMP] VLD_62 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(63*4));
pr_info("[VCODEC][DUMP] VLD_63 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_BASE+(71*4));
pr_info("[VCODEC][DUMP] VLD_71 = 0x%08x", u4DataStatus);
u4DataStatus = VDO_HW_READ(KVA_VDEC_MISC_BASE+(66*4));
pr_info("[VCODEC][DUMP] MISC_66 = 0x%08x", u4DataStatus);
}
/* Step 3: software reset */
VDO_HW_WRITE(KVA_VDEC_BASE + 66*4, 0x1);
VDO_HW_WRITE(KVA_VDEC_BASE + 66*4, 0x0);
/* Step 4: VCODEC reset control, include VDEC/VENC/JPGENC */
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 5*4, 0x1);
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 3*4, 0x1);
}
void venc_break(void)
{
unsigned int i;
void *VENC_SW_PAUSE = KVA_VENC_BASE + 0xAC;
void *VENC_IRQ_STATUS = KVA_VENC_BASE + 0x5C;
void *VENC_SW_HRST_N = KVA_VENC_BASE + 0xA8;
void *VENC_IRQ_ACK = KVA_VENC_BASE + 0x60;
/* Step 1: raise pause hardware signal */
VDO_HW_WRITE(VENC_SW_PAUSE, 0x1);
/* Step 2: assume software can only tolerate 5000 APB read time. */
for (i = 0; i < 5000; i++) {
if (VDO_HW_READ(VENC_IRQ_STATUS) & 0x10) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
break;
}
}
/* Step 3: Lower pause hardware signal and lower software hard reset
* signal
*/
if (i >= 5000) {
VDO_HW_WRITE(VENC_SW_PAUSE, 0x0);
VDO_HW_WRITE(VENC_SW_HRST_N, 0x0);
VDO_HW_READ(VENC_SW_HRST_N);
}
/* Step 4: Lower software hard reset signal and lower pause hardware
* signal
*/
else {
VDO_HW_WRITE(VENC_SW_HRST_N, 0x0);
VDO_HW_READ(VENC_SW_HRST_N);
VDO_HW_WRITE(VENC_SW_PAUSE, 0x0);
}
/* Step 5: Raise software hard reset signal */
VDO_HW_WRITE(VENC_SW_HRST_N, 0x1);
VDO_HW_READ(VENC_SW_HRST_N);
/* Step 6: Clear pause status */
VDO_HW_WRITE(VENC_IRQ_ACK, 0x10);
}
#ifdef CONFIG_PM
int mt_vdec_runtime_suspend(struct device *dev)
{
vdec_power_off();
return 0;
}
int mt_vdec_runtime_resume(struct device *dev)
{
vdec_power_on();
return 0;
}
int mt_venc_runtime_suspend(struct device *dev)
{
venc_power_off();
return 0;
}
int mt_venc_runtime_resume(struct device *dev)
{
venc_power_on();
return 0;
}
#endif
void dec_isr(void)
{
enum VAL_RESULT_T eValRet;
unsigned long ulFlags, ulFlagsISR, ulFlagsLockHW;
unsigned int u4TempDecISRCount = 0;
unsigned int u4TempLockDecHWCount = 0;
unsigned int u4DecDoneStatus = 0;
u4DecDoneStatus = VDO_HW_READ(KVA_VDEC_MISC_BASE+0xA4);
if ((u4DecDoneStatus & (0x1 << 16)) != 0x10000) {
pr_info("[VDEC] DEC ISR, Dec done is not 0x1 (0x%08x)",
u4DecDoneStatus);
return;
}
spin_lock_irqsave(&DecISRCountLock, ulFlagsISR);
gu4DecISRCount++;
u4TempDecISRCount = gu4DecISRCount;
spin_unlock_irqrestore(&DecISRCountLock, ulFlagsISR);
spin_lock_irqsave(&LockDecHWCountLock, ulFlagsLockHW);
u4TempLockDecHWCount = gu4LockDecHWCount;
spin_unlock_irqrestore(&LockDecHWCountLock, ulFlagsLockHW);
if (u4TempDecISRCount != u4TempLockDecHWCount) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
* pr_info("[INFO] Dec ISRCount: 0x%x, "
* "LockHWCount:0x%x\n",
* u4TempDecISRCount, u4TempLockDecHWCount);
*/
}
/* Clear interrupt */
VDO_HW_WRITE(KVA_VDEC_MISC_BASE+41*4,
VDO_HW_READ(KVA_VDEC_MISC_BASE + 41*4) | 0x11);
VDO_HW_WRITE(KVA_VDEC_MISC_BASE+41*4,
VDO_HW_READ(KVA_VDEC_MISC_BASE + 41*4) & ~0x10);
spin_lock_irqsave(&DecIsrLock, ulFlags);
eValRet = eVideoSetEvent(&DecIsrEvent, sizeof(struct VAL_EVENT_T));
if (eValRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VDEC] ISR set DecIsrEvent error\n");
}
spin_unlock_irqrestore(&DecIsrLock, ulFlags);
}
void enc_isr(void)
{
enum VAL_RESULT_T eValRet;
unsigned long ulFlagsISR, ulFlagsLockHW;
unsigned int u4TempEncISRCount = 0;
unsigned int u4TempLockEncHWCount = 0;
/* ---------------------- */
spin_lock_irqsave(&EncISRCountLock, ulFlagsISR);
gu4EncISRCount++;
u4TempEncISRCount = gu4EncISRCount;
spin_unlock_irqrestore(&EncISRCountLock, ulFlagsISR);
spin_lock_irqsave(&LockEncHWCountLock, ulFlagsLockHW);
u4TempLockEncHWCount = gu4LockEncHWCount;
spin_unlock_irqrestore(&LockEncHWCountLock, ulFlagsLockHW);
if (u4TempEncISRCount != u4TempLockEncHWCount) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
* pr_info("[INFO] Enc ISRCount: 0x%xa, "
* "LockHWCount:0x%x\n",
* u4TempEncISRCount, u4TempLockEncHWCount);
*/
}
if (CodecHWLock.pvHandle == 0) {
pr_info("[VENC] NO one Lock Enc HW, please check!!\n");
/* Clear all status */
/* VDO_HW_WRITE(KVA_VENC_MP4_IRQ_ACK_ADDR, 1); */
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR, VENC_IRQ_STATUS_PAUSE);
/* VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR,
* VENC_IRQ_STATUS_DRAM_VP8);
*/
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR, VENC_IRQ_STATUS_SWITCH);
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR, VENC_IRQ_STATUS_DRAM);
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR, VENC_IRQ_STATUS_SPS);
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR, VENC_IRQ_STATUS_PPS);
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR, VENC_IRQ_STATUS_FRM);
return;
}
if (CodecHWLock.eDriverType == VAL_DRIVER_TYPE_H264_ENC) {/* hardwire */
gu4HwVencIrqStatus = VDO_HW_READ(KVA_VENC_IRQ_STATUS_ADDR);
if (gu4HwVencIrqStatus & VENC_IRQ_STATUS_PAUSE) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR,
VENC_IRQ_STATUS_PAUSE);
}
if (gu4HwVencIrqStatus & VENC_IRQ_STATUS_SWITCH) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR,
VENC_IRQ_STATUS_SWITCH);
}
if (gu4HwVencIrqStatus & VENC_IRQ_STATUS_DRAM) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR,
VENC_IRQ_STATUS_DRAM);
}
if (gu4HwVencIrqStatus & VENC_IRQ_STATUS_SPS) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR,
VENC_IRQ_STATUS_SPS);
}
if (gu4HwVencIrqStatus & VENC_IRQ_STATUS_PPS) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR,
VENC_IRQ_STATUS_PPS);
}
if (gu4HwVencIrqStatus & VENC_IRQ_STATUS_FRM) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
VDO_HW_WRITE(KVA_VENC_IRQ_ACK_ADDR,
VENC_IRQ_STATUS_FRM);
}
} else {
pr_info("[VENC] Invalid lock holder driver type = %d\n",
CodecHWLock.eDriverType);
}
eValRet = eVideoSetEvent(&EncIsrEvent, sizeof(struct VAL_EVENT_T));
if (eValRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VENC] ISR set EncIsrEvent error\n");
}
}
static irqreturn_t video_intr_dlr(int irq, void *dev_id)
{
dec_isr();
return IRQ_HANDLED;
}
static irqreturn_t video_intr_dlr2(int irq, void *dev_id)
{
enc_isr();
return IRQ_HANDLED;
}
static long vcodec_lockhw_dec_fail(struct VAL_HW_LOCK_T rHWLock,
unsigned int FirstUseDecHW)
{
pr_info("VCODEC_LOCKHW, HWLockEvent TimeOut, CurrentTID = %d\n",
current->pid);
if (FirstUseDecHW != 1) {
mutex_lock(&HWLock);
if (CodecHWLock.pvHandle == 0) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("VCODEC_LOCKHW, mediaserver may restarted");
} else {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("VCODEC_LOCKHW, someone use HW");
}
mutex_unlock(&HWLock);
}
return 0;
}
#define ENC_LOCK_FLOG "venc locked HW timeout 0x\%lx,\%lx,0x\%lx, type:\%d"
#define ENC_LOCK_FLOG2 "someone locked HW already 0x\%lx,\%lx,0x\%lx, type:\%d"
static long vcodec_lockhw_enc_fail(struct VAL_HW_LOCK_T rHWLock,
unsigned int FirstUseEncHW)
{
pr_info("VENC_LOCKHW HWLockEvent TimeOut, CurrentTID = %d\n",
current->pid);
if (FirstUseEncHW != 1) {
mutex_lock(&HWLock);
if (CodecHWLock.pvHandle == 0) {
pr_info("VENC_LOCKHW, mediaserver may restarted");
} else {
pr_info("VENC_LOCKHW, someone use HW (%d)\n",
gLockTimeOutCount);
++gLockTimeOutCount;
if (gLockTimeOutCount > 30) {
pr_info("VENC_LOCKHW - ID %d fail\n",
current->pid);
pr_info(ENC_LOCK_FLOG,
(unsigned long)CodecHWLock.pvHandle,
pmem_user_v2p_video(
(unsigned long)rHWLock.pvHandle),
(unsigned long)rHWLock.pvHandle,
rHWLock.eDriverType);
gLockTimeOutCount = 0;
mutex_unlock(&HWLock);
return -EFAULT;
}
if (rHWLock.u4TimeoutMs == 0) {
pr_info("VENC_LOCKHW - ID %d fail\n",
current->pid);
pr_info(ENC_LOCK_FLOG2,
(unsigned long)CodecHWLock.pvHandle,
pmem_user_v2p_video(
(unsigned long)rHWLock.pvHandle),
(unsigned long)rHWLock.pvHandle,
rHWLock.eDriverType);
gLockTimeOutCount = 0;
mutex_unlock(&HWLock);
return -EFAULT;
}
}
mutex_unlock(&HWLock);
}
return 0;
}
static long vcodec_lockhw_vdec(struct VAL_HW_LOCK_T *pHWLock, char *bLockedHW)
{
unsigned int FirstUseDecHW = 0;
unsigned long ulFlagsLockHW;
unsigned long handle = 0, handle_id = 0;
long ret = 0;
struct VAL_TIME_T rCurTime;
unsigned int u4TimeInterval;
enum VAL_RESULT_T eValRet = VAL_RESULT_NO_ERROR;
#if USE_WAKELOCK == 0
unsigned int suspend_block_cnt = 0;
#endif
#ifdef VCODEC_DVFS_V2
struct codec_job *cur_job = 0;
int target_freq;
u64 target_freq_64;
#endif
#ifdef VCODEC_DVFS_V2
mutex_lock(&VcodecDVFSLock);
handle = (unsigned long)(pHWLock->pvHandle);
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&VcodecDVFSLock);
return -1;
}
cur_job = add_job((void *)handle_id, &codec_jobs);
mutex_unlock(&VcodecDVFSLock);
#endif
/* Loop until lock hw successful */
while ((*bLockedHW) == VAL_FALSE) {
mutex_lock(&HWLockEventTimeoutLock);
if (HWLockEvent.u4TimeoutMs == 1) {
pr_info("VDEC_LOCKHW, First Use Dec HW!!\n");
FirstUseDecHW = 1;
} else {
FirstUseDecHW = 0;
}
mutex_unlock(&HWLockEventTimeoutLock);
if (FirstUseDecHW == 1) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
eValRet = eVideoWaitEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
}
mutex_lock(&HWLockEventTimeoutLock);
if (HWLockEvent.u4TimeoutMs != 1000) {
HWLockEvent.u4TimeoutMs = 1000;
FirstUseDecHW = 1;
} else {
FirstUseDecHW = 0;
}
mutex_unlock(&HWLockEventTimeoutLock);
mutex_lock(&HWLock);
/* one process try to lock twice */
handle = (unsigned long)(pHWLock->pvHandle);
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
if (CodecHWLock.pvHandle ==
(void *)handle_id) {
pr_info("[VDEC] Same inst double lock\n");
pr_info("may timeout!! inst = 0x%lx, TID = %d\n",
(unsigned long)CodecHWLock.pvHandle,
current->pid);
}
mutex_unlock(&HWLock);
if (FirstUseDecHW == 0) {
/*
* pr_debug("[VDEC] Not first time use, timeout = %d\n",
* HWLockEvent.u4TimeoutMs);
*/
eValRet = eVideoWaitEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
}
if (eValRet == VAL_RESULT_INVALID_ISR) {
ret = vcodec_lockhw_dec_fail(*pHWLock, FirstUseDecHW);
if (ret) {
pr_info("[VDEC] lockhw_dec_fail: %lu\n",
ret);
return -EFAULT;
}
} else if (eValRet == VAL_RESULT_RESTARTSYS) {
pr_info("[VDEC] ERESTARTSYS when LockHW\n");
return -ERESTARTSYS;
}
mutex_lock(&HWLock);
if (CodecHWLock.pvHandle == 0) {
/* No one holds dec hw lock now */
#if USE_WAKELOCK == 1
__pm_stay_awake(&v_wakeup_src);
#elif USE_WAKELOCK == 0
while (is_entering_suspend == 1) {
suspend_block_cnt++;
if (suspend_block_cnt > 100000) {
/* Print log if trying to enter suspend
* for too long
*/
pr_info("VDEC blocked by suspend");
suspend_block_cnt = 0;
}
usleep_range(1000, 2000);
}
#endif
gu4VdecLockThreadId = current->pid;
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
CodecHWLock.pvHandle =
(void *)handle_id;
CodecHWLock.eDriverType = pHWLock->eDriverType;
eVideoGetTimeOfDay(&CodecHWLock.rLockedTime,
sizeof(struct VAL_TIME_T));
/*
* pr_debug("VDEC_LOCKHW, free to use HW\n");
* pr_debug("Inst=0x%lx TID=%d, Time(s, us)=%d, %d",
* handle,
* current->pid,
* CodecHWLock.rLockedTime.u4Sec,
* CodecHWLock.rLockedTime.u4uSec);
*/
*bLockedHW = VAL_TRUE;
#ifdef VCODEC_DVFS_V2
mutex_lock(&VcodecDVFSLock);
if (cur_job == 0) {
target_freq = 1;
target_freq_64 = match_freq(99999,
&g_dec_freq_steps[0], dec_step_size);
mtk_pm_qos_update_request(&vcodec_qos_request_f,
target_freq_64);
} else {
cur_job->start = get_time_us();
target_freq = est_freq(cur_job->handle,
&codec_jobs, codec_hists);
target_freq_64 = match_freq(target_freq,
&g_dec_freq_steps[0],
dec_step_size);
if (target_freq > 0) {
g_dec_freq = target_freq;
if (g_dec_freq > target_freq_64) {
g_dec_freq =
(int)target_freq_64;
}
cur_job->mhz = (int)target_freq_64;
mtk_pm_qos_update_request(
&vcodec_qos_request_f,
target_freq_64);
}
}
/* pr_info("VDEC cur_job freq %u, %llu, %d",
* target_freq, target_freq_64, dec_step_size);
*/
mutex_unlock(&VcodecDVFSLock);
#endif
#ifdef CONFIG_PM
pm_runtime_get_sync(vcodec_device);
#else
#ifndef KS_POWER_WORKAROUND
vdec_power_on();
#endif
#endif
if (pHWLock->bSecureInst == VAL_FALSE) {
/* Add one line comment for avoid kernel coding
* style, WARNING:BRACES:
*/
enable_irq(VDEC_IRQ_ID);
}
} else { /* Another one holding dec hw now */
pr_info("VDEC_LOCKHW E\n");
eVideoGetTimeOfDay(&rCurTime,
sizeof(struct VAL_TIME_T));
u4TimeInterval = (((((rCurTime.u4Sec -
CodecHWLock.rLockedTime.u4Sec) *
1000000) + rCurTime.u4uSec) -
CodecHWLock.rLockedTime.u4uSec) /
1000);
/*
* pr_debug("VDEC_LOCKHW, someone use HW\n");
* pr_debug("Time(ms) = %d, TimeOut(ms)) = %d\n",
* u4TimeInterval, pHWLock->u4TimeoutMs);
* pr_debug("Lock Inst=0x%lx, TID=%d, CurrTID=%d\n",
* (unsigned long)CodecHWLock.pvHandle,
* gu4VdecLockThreadId,
* current->pid);
* pr_debug("rLockedTime(%ds,%dus), rCurTime(%ds,%dus)",
* CodecHWLock.rLockedTime.u4Sec,
* CodecHWLock.rLockedTime.u4uSec,
* rCurTime.u4Sec, rCurTime.u4uSec);
*/
/* 2012/12/16. Cheng-Jung Never steal hardware lock */
}
mutex_unlock(&HWLock);
spin_lock_irqsave(&LockDecHWCountLock, ulFlagsLockHW);
gu4LockDecHWCount++;
spin_unlock_irqrestore(&LockDecHWCountLock, ulFlagsLockHW);
}
return 0;
}
static long vcodec_lockhw_venc(struct VAL_HW_LOCK_T *pHWLock, char *bLockedHW)
{
unsigned int FirstUseEncHW = 0;
unsigned long handle = 0, handle_id = 0;
long ret = 0;
struct VAL_TIME_T rCurTime;
unsigned int u4TimeInterval;
enum VAL_RESULT_T eValRet = VAL_RESULT_NO_ERROR;
#if USE_WAKELOCK == 0
unsigned int suspend_block_cnt = 0;
#endif
#ifdef VCODEC_DVFS_V2
struct codec_job *cur_job = 0;
int target_freq;
u64 target_freq_64;
#endif
#ifdef VCODEC_DVFS_V2
if (pHWLock->eDriverType != VAL_DRIVER_TYPE_JPEG_ENC) {
mutex_lock(&VcodecDVFSLock);
handle = (unsigned long)(pHWLock->pvHandle);
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&VcodecDVFSLock);
return -1;
}
cur_job = add_job((void *)handle_id,
&codec_jobs);
/* pr_debug("cur_job's handle %p", cur_job->handle); */
mutex_unlock(&VcodecDVFSLock);
}
#endif
while ((*bLockedHW) == VAL_FALSE) {
/* Early break for JPEG VENC */
if (pHWLock->u4TimeoutMs == 0) {
if (CodecHWLock.pvHandle != 0) {
/* Add one line comment for avoid
* kernel coding style, WARNING:BRACES:
*/
break;
}
}
/* Wait to acquire Enc HW lock */
mutex_lock(&HWLockEventTimeoutLock);
if (HWLockEvent.u4TimeoutMs == 1) {
pr_info("VENC_LOCKHW, First Use Enc HW %d!!\n",
pHWLock->eDriverType);
FirstUseEncHW = 1;
} else {
FirstUseEncHW = 0;
}
mutex_unlock(&HWLockEventTimeoutLock);
if (FirstUseEncHW == 1) {
/* Add one line comment for avoid kernel coding
* style, WARNING:BRACES:
*/
eValRet = eVideoWaitEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
}
mutex_lock(&HWLockEventTimeoutLock);
if (HWLockEvent.u4TimeoutMs == 1) {
HWLockEvent.u4TimeoutMs = 1000;
FirstUseEncHW = 1;
} else {
FirstUseEncHW = 0;
if (pHWLock->u4TimeoutMs == 0) {
/* Add one line comment for avoid kernel coding
* style, WARNING:BRACES:
*/
/* No wait */
HWLockEvent.u4TimeoutMs = 0;
} else {
/* Wait indefinitely */
HWLockEvent.u4TimeoutMs = 1000;
}
}
mutex_unlock(&HWLockEventTimeoutLock);
mutex_lock(&HWLock);
handle = (unsigned long)(pHWLock->pvHandle);
/* one process try to lock twice */
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
if (CodecHWLock.pvHandle ==
(void *)handle_id) {
pr_info("VENC_LOCKHW, Some inst double lock");
pr_info("may timeout inst=0x%lx, TID=%d, type:%d\n",
(unsigned long)CodecHWLock.pvHandle,
current->pid, pHWLock->eDriverType);
}
mutex_unlock(&HWLock);
if (FirstUseEncHW == 0) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
eValRet = eVideoWaitEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
}
if (eValRet == VAL_RESULT_INVALID_ISR) {
ret = vcodec_lockhw_enc_fail(*pHWLock, FirstUseEncHW);
if (ret) {
pr_info("lockhw_enc_fail: %lu\n",
ret);
return -EFAULT;
}
} else if (eValRet == VAL_RESULT_RESTARTSYS) {
return -ERESTARTSYS;
}
mutex_lock(&HWLock);
/* No process use HW, so current process can use HW */
if (CodecHWLock.pvHandle == 0) {
#if USE_WAKELOCK == 1
__pm_stay_awake(&v_wakeup_src);
#elif USE_WAKELOCK == 0
while (is_entering_suspend == 1) {
suspend_block_cnt++;
if (suspend_block_cnt > 100000) {
/* Print log if trying to enter
* suspend for too long
*/
pr_info("VENC blocked by suspend");
suspend_block_cnt = 0;
}
usleep_range(1000, 2000);
}
#endif
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
CodecHWLock.pvHandle =
(void *)handle_id;
CodecHWLock.eDriverType = pHWLock->eDriverType;
eVideoGetTimeOfDay(&CodecHWLock.rLockedTime,
sizeof(struct VAL_TIME_T));
/*
* pr_debug("VENC_LOCKHW, free to use HW\n");
* pr_debug("VENC_LOCKHW, handle = 0x%lx\n",
* (unsigned long)CodecHWLock.pvHandle);
* pr_debug("Inst=0x%lx TID=%d, Time(%ds, %dus)",
* (unsigned long)CodecHWLock.pvHandle,
* current->pid,
* CodecHWLock.rLockedTime.u4Sec,
* CodecHWLock.rLockedTime.u4uSec);
*/
#ifdef VCODEC_DVFS_V2
if (CodecHWLock.eDriverType !=
VAL_DRIVER_TYPE_JPEG_ENC) {
mutex_lock(&VcodecDVFSLock);
if (cur_job == 0) {
target_freq = 1;
target_freq_64 = match_freq(99999,
&g_enc_freq_steps[0], enc_step_size);
mtk_pm_qos_update_request(&vcodec_qos_request_f2,
target_freq_64);
} else {
cur_job->start = get_time_us();
target_freq = est_freq(cur_job->handle,
&codec_jobs, codec_hists);
target_freq_64 = match_freq(target_freq,
&g_enc_freq_steps[0],
enc_step_size);
if (target_freq > 0) {
g_enc_freq = target_freq;
if (g_enc_freq > target_freq_64) {
g_enc_freq =
(int)target_freq_64;
}
cur_job->mhz = (int)target_freq_64;
mtk_pm_qos_update_request(
&vcodec_qos_request_f2,
target_freq_64);
}
}
/* pr_info("VENC cur_job freq %u, %llu, %d",
* target_freq, target_freq_64, enc_step_size);
*/
mutex_unlock(&VcodecDVFSLock);
}
#endif
*bLockedHW = VAL_TRUE;
#ifdef CONFIG_PM
pm_runtime_get_sync(vcodec_device2);
#else
#ifndef KS_POWER_WORKAROUND
venc_power_on();
#endif
#endif
enable_irq(VENC_IRQ_ID);
} else { /* someone use HW, and check timeout value */
if (pHWLock->u4TimeoutMs == 0) {
*bLockedHW = VAL_FALSE;
mutex_unlock(&HWLock);
break;
}
eVideoGetTimeOfDay(&rCurTime,
sizeof(struct VAL_TIME_T));
u4TimeInterval = (((((rCurTime.u4Sec -
CodecHWLock.rLockedTime.u4Sec) *
1000000) + rCurTime.u4uSec) -
CodecHWLock.rLockedTime.u4uSec) / 1000);
/*
* pr_debug("VENC_LOCKHW, someone use enc HW");
* pr_debug("Time(ms) = %d, TimeOut(ms) = %d\n",
* u4TimeInterval, pHWLock->u4TimeoutMs);
* pr_debug("rLockedTime(%ds,%dus),rCurTime(%ds,%dus)",
* CodecHWLock.rLockedTime.u4Sec,
* CodecHWLock.rLockedTime.u4uSec,
* rCurTime.u4Sec, rCurTime.u4uSec);
* pr_debug("LockInst=0x%lx, Inst=0x%lx, TID=%d\n",
* (unsigned long)CodecHWLock.pvHandle,
* pmem_user_v2p_video(handle),
* current->pid);
*/
++gLockTimeOutCount;
pr_info("VENC_LOCKHW Ret %d Count %d First %d Lock %d ,Try %d Timeout %d",
eValRet,
gLockTimeOutCount,
FirstUseEncHW,
CodecHWLock.eDriverType,
pHWLock->eDriverType,
HWLockEvent.u4TimeoutMs);
if (gLockTimeOutCount > 30) {
pr_info("VENC_LOCKHW %d fail 30 times",
current->pid);
pr_info("no TO 0x%lx,%lx,0x%lx,type:%d\n",
(unsigned long)CodecHWLock.pvHandle,
pmem_user_v2p_video(handle),
handle,
pHWLock->eDriverType);
gLockTimeOutCount = 0;
mutex_unlock(&HWLock);
return -EFAULT;
}
/* 2013/04/10. Cheng-Jung Never steal hardware lock */
}
if (*bLockedHW == VAL_TRUE) {
/*
* pr_debug("VENC_LOCKHW handle:0x%lx,va:%lx,type:%d",
* (unsigned long)CodecHWLock.pvHandle,
* (unsigned long)(pHWLock->pvHandle),
* pHWLock->eDriverType);
*
*/
gLockTimeOutCount = 0;
}
mutex_unlock(&HWLock);
}
return 0;
}
#define ENC_LOCK_LOG \
"VENC_LOCKHW \%d failed, locker 0x\%lx,\%lx,0x\%lx,type:\%d"
static long vcodec_lockhw(unsigned long arg)
{
unsigned char *user_data_addr;
struct VAL_HW_LOCK_T rHWLock;
unsigned long handle;
enum VAL_RESULT_T eValRet;
long ret;
char bLockedHW = VAL_FALSE;
unsigned long ulFlagsLockHW;
unsigned int u4VcodecSel;
unsigned int u4DeBlocking = 1;
/* pr_debug("VCODEC_LOCKHW + tid = %d\n", current->pid); */
user_data_addr = (unsigned char *)arg;
ret = copy_from_user(&rHWLock, user_data_addr, sizeof(struct
VAL_HW_LOCK_T));
if (ret) {
pr_info("[VCODEC] LOCKHW copy_from_user failed: %lu\n",
ret);
return -EFAULT;
}
/* pr_debug("[VCODEC] LOCKHW eDriverType=%d\n", rHWLock.eDriverType); */
eValRet = VAL_RESULT_INVALID_ISR;
if (rHWLock.eDriverType == VAL_DRIVER_TYPE_MP4_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_HEVC_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_H264_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_MP1_MP2_DEC) {
ret = vcodec_lockhw_vdec(&rHWLock, &bLockedHW);
if (ret != 0) {
/* If there is error, return immediately */
return ret;
}
} else if (rHWLock.eDriverType == VAL_DRIVER_TYPE_H264_ENC ||
(rHWLock.eDriverType == VAL_DRIVER_TYPE_JPEG_ENC)) {
ret = vcodec_lockhw_venc(&rHWLock, &bLockedHW);
if (ret != 0) {
/* If there is error, return immediately */
return ret;
}
if (bLockedHW == VAL_FALSE) {
handle = (unsigned long)rHWLock.pvHandle;
pr_info(ENC_LOCK_LOG,
current->pid,
(unsigned long)CodecHWLock.pvHandle,
pmem_user_v2p_video(handle),
handle,
rHWLock.eDriverType);
gLockTimeOutCount = 0;
return -EFAULT;
}
spin_lock_irqsave(&LockEncHWCountLock, ulFlagsLockHW);
gu4LockEncHWCount++;
spin_unlock_irqrestore(&LockEncHWCountLock, ulFlagsLockHW);
/*
* pr_debug("VCODEC_LOCKHW, get locked - ObjId =%d\n",
* current->pid);
*/
/* pr_debug("VCODEC_LOCKHWed - tid = %d\n", current->pid); */
} else {
pr_info("[WARNING] VCODEC_LOCKHW Unknown instance type %d timeout %u\n",
rHWLock.eDriverType,
rHWLock.u4TimeoutMs);
return -EFAULT;
}
/* shared vdec/venc VCODEC_SEL setting */
if (rHWLock.eDriverType == VAL_DRIVER_TYPE_MP4_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_HEVC_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_H264_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_MP1_MP2_DEC) {
u4VcodecSel = 0x2;
} else if (rHWLock.eDriverType == VAL_DRIVER_TYPE_H264_ENC) {
u4VcodecSel = 0x1;
if (VDO_HW_READ(KVA_VDEC_GCON_BASE + 0x24) == 0) {
do {
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 0x24,
u4DeBlocking);
} while (VDO_HW_READ(KVA_VDEC_GCON_BASE + 0x24)
!= u4DeBlocking);
}
} else if (rHWLock.eDriverType == VAL_DRIVER_TYPE_JPEG_ENC) {
u4VcodecSel = 0x4;
} else {
u4VcodecSel = 0x0;
pr_info("[WARNING] Unknown driver type\n");
}
if (VDO_HW_READ(KVA_VDEC_GCON_BASE + 0x20) == 0) {
do {
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 0x20, u4VcodecSel);
} while (VDO_HW_READ(KVA_VDEC_GCON_BASE + 0x20) != u4VcodecSel);
} else {
pr_info("[WARNING] VCODEC_SEL is not 0\n");
}
if (u4VcodecSel == 0x2)
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 0x10, 0x1);
else
VDO_HW_WRITE(KVA_VDEC_GCON_BASE + 0x10, 0x0);
/* pr_debug("VCODEC_LOCKHW - tid = %d\n", current->pid); */
return 0;
}
static long vcodec_unlockhw(unsigned long arg)
{
unsigned char *user_data_addr;
struct VAL_HW_LOCK_T rHWLock;
unsigned long handle = 0, handle_id = 0;
enum VAL_RESULT_T eValRet;
long ret;
#ifdef VCODEC_DVFS_V2
struct codec_job *cur_job = 0;
#endif
/* pr_debug("VCODEC_UNLOCKHW + tid = %d\n", current->pid); */
user_data_addr = (unsigned char *)arg;
ret = copy_from_user(&rHWLock, user_data_addr,
sizeof(struct VAL_HW_LOCK_T));
if (ret) {
pr_info("[VCODEC] UNLOCKHW, copy_from_user failed: %lu\n",
ret);
return -EFAULT;
}
/* pr_debug("VCODEC_UNLOCKHW eDriverType = %d\n",
* rHWLock.eDriverType);
*/
eValRet = VAL_RESULT_INVALID_ISR;
handle = (unsigned long)rHWLock.pvHandle;
if (rHWLock.eDriverType == VAL_DRIVER_TYPE_MP4_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_HEVC_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_H264_DEC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_MP1_MP2_DEC) {
mutex_lock(&HWLock);
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
/* Current owner give up hw lock */
if (CodecHWLock.pvHandle ==
(void *)handle_id) {
#ifdef VCODEC_DVFS_V2
mutex_lock(&VcodecDVFSLock);
cur_job = codec_jobs;
if (cur_job == 0) {
pr_info("VDEC job is null when unlock, error");
} else if (cur_job->handle ==
CodecHWLock.pvHandle) {
cur_job->end = get_time_us();
update_hist(cur_job, &codec_hists);
codec_jobs = codec_jobs->next;
kfree(cur_job);
} else {
pr_info("VCODEC wrong job at dec done %p, %p",
cur_job->handle,
CodecHWLock.pvHandle);
}
mutex_unlock(&VcodecDVFSLock);
#endif
if (rHWLock.bSecureInst == VAL_FALSE) {
/* Add one line comment for avoid kernel coding
* style, WARNING:BRACES:
*/
disable_irq(VDEC_IRQ_ID);
}
/* TODO: check if turning power off is ok */
#ifdef CONFIG_PM
pm_runtime_put_sync(vcodec_device);
#else
#ifndef KS_POWER_WORKAROUND
vdec_power_off();
#endif
#endif
CodecHWLock.pvHandle = 0;
CodecHWLock.eDriverType = VAL_DRIVER_TYPE_NONE;
} else { /* Not current owner */
pr_info("[ERROR] VDEC_UNLOCKHW\n");
pr_info("VDEC Not owner trying to unlock 0x%lx\n",
pmem_user_v2p_video(handle));
mutex_unlock(&HWLock);
return -EFAULT;
}
#if USE_WAKELOCK == 1
__pm_relax(&v_wakeup_src);
#endif
mutex_unlock(&HWLock);
eValRet = eVideoSetEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
} else if (rHWLock.eDriverType == VAL_DRIVER_TYPE_H264_ENC ||
rHWLock.eDriverType == VAL_DRIVER_TYPE_JPEG_ENC) {
mutex_lock(&HWLock);
/* Current owner give up hw lock */
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
if (CodecHWLock.pvHandle ==
(void *)handle_id) {
#ifdef VCODEC_DVFS_V2
if (rHWLock.eDriverType != VAL_DRIVER_TYPE_JPEG_ENC) {
mutex_lock(&VcodecDVFSLock);
cur_job = codec_jobs;
if (cur_job == 0) {
pr_info("VENC job is null when unlock, error");
} else if (cur_job->handle ==
CodecHWLock.pvHandle) {
cur_job->end = get_time_us();
update_hist(cur_job, &codec_hists);
codec_jobs = codec_jobs->next;
kfree(cur_job);
} else {
pr_info("VCODEC wrong job at enc done %p, %p",
cur_job->handle,
CodecHWLock.pvHandle);
}
mutex_unlock(&VcodecDVFSLock);
}
#endif
disable_irq(VENC_IRQ_ID);
/* turn venc power off */
#ifdef CONFIG_PM
pm_runtime_put_sync(vcodec_device2);
#else
#ifndef KS_POWER_WORKAROUND
venc_power_off();
#endif
#endif
CodecHWLock.pvHandle = 0;
CodecHWLock.eDriverType = VAL_DRIVER_TYPE_NONE;
} else { /* Not current owner */
/* [TODO] error handling */
pr_info("[ERROR] VENC_UNLOCKHW\n");
pr_info("VENC Not owner trying to unlock 0x%lx\n",
pmem_user_v2p_video(handle));
mutex_unlock(&HWLock);
return -EFAULT;
}
#if USE_WAKELOCK == 1
__pm_relax(&v_wakeup_src);
#endif
mutex_unlock(&HWLock);
eValRet = eVideoSetEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
} else {
pr_info("[WARNING] VCODEC_UNLOCKHW Unknown instance\n");
return -EFAULT;
}
pr_debug("VCODEC_UNLOCKHW - tid = %d\n", current->pid);
return 0;
}
static long vcodec_waitisr(unsigned long arg)
{
unsigned char *user_data_addr;
struct VAL_ISR_T val_isr;
char bLockedHW = VAL_FALSE;
unsigned long ulFlags;
unsigned long handle, handle_id = 0;
long ret;
enum VAL_RESULT_T eValRet;
/* pr_debug("VCODEC_WAITISR + tid = %d\n", current->pid); */
user_data_addr = (unsigned char *)arg;
ret = copy_from_user(&val_isr, user_data_addr,
sizeof(struct VAL_ISR_T));
if (ret) {
pr_info("[VCODEC] WAITISR, copy_from_user failed: %lu\n",
ret);
return -EFAULT;
}
handle = (unsigned long)val_isr.pvHandle;
if (val_isr.eDriverType == VAL_DRIVER_TYPE_MP4_DEC ||
val_isr.eDriverType == VAL_DRIVER_TYPE_HEVC_DEC ||
val_isr.eDriverType == VAL_DRIVER_TYPE_H264_DEC ||
val_isr.eDriverType == VAL_DRIVER_TYPE_MP1_MP2_DEC) {
mutex_lock(&HWLock);
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
if (CodecHWLock.pvHandle ==
(void *)handle_id) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
bLockedHW = VAL_TRUE;
} else {
}
mutex_unlock(&HWLock);
if (bLockedHW == VAL_FALSE) {
pr_info("VDEC_WAITISR, DO NOT have HWLock, fail\n");
return -EFAULT;
}
spin_lock_irqsave(&DecIsrLock, ulFlags);
DecIsrEvent.u4TimeoutMs = val_isr.u4TimeoutMs;
spin_unlock_irqrestore(&DecIsrLock, ulFlags);
eValRet = eVideoWaitEvent(&DecIsrEvent,
sizeof(struct VAL_EVENT_T));
if (eValRet == VAL_RESULT_INVALID_ISR) {
return -2;
} else if (eValRet == VAL_RESULT_RESTARTSYS) {
pr_info("VDEC_WAITISR, ERESTARTSYS\n");
return -ERESTARTSYS;
}
} else if (val_isr.eDriverType == VAL_DRIVER_TYPE_H264_ENC) {
mutex_lock(&HWLock);
handle_id = pmem_user_v2p_video(handle);
if (handle_id == 0) {
pr_info("[error] handle is freed at %d\n", __LINE__);
mutex_unlock(&HWLock);
return -1;
}
if (CodecHWLock.pvHandle ==
(void *)handle_id) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
bLockedHW = VAL_TRUE;
} else {
}
mutex_unlock(&HWLock);
if (bLockedHW == VAL_FALSE) {
pr_info("VENC_WAITISR, DO NOT have HWLock, fail\n");
return -EFAULT;
}
spin_lock_irqsave(&EncIsrLock, ulFlags);
EncIsrEvent.u4TimeoutMs = val_isr.u4TimeoutMs;
spin_unlock_irqrestore(&EncIsrLock, ulFlags);
eValRet = eVideoWaitEvent(&EncIsrEvent,
sizeof(struct VAL_EVENT_T));
if (eValRet == VAL_RESULT_INVALID_ISR) {
return -2;
} else if (eValRet == VAL_RESULT_RESTARTSYS) {
pr_info("VENC_WAITISR, ERESTARTSYS\n");
return -ERESTARTSYS;
}
if (val_isr.u4IrqStatusNum > 0) {
val_isr.u4IrqStatus[0] = gu4HwVencIrqStatus;
ret = copy_to_user(user_data_addr, &val_isr,
sizeof(struct VAL_ISR_T));
if (ret) {
pr_info("VENC_WAITISR, cp status fail: %lu",
ret);
return -EFAULT;
}
}
} else {
pr_info("[WARNING] VCODEC_WAITISR Unknown instance\n");
return -EFAULT;
}
/* pr_debug("VCODEC_WAITISR - tid = %d\n", current->pid); */
return 0;
}
static long vcodec_set_frame_info(unsigned long arg)
{
unsigned char *user_data_addr;
long ret;
struct VAL_FRAME_INFO_T rFrameInfo;
int frame_type = 0;
int b_freq_idx = 0;
long emi_bw = 0;
/* pr_debug("VCODEC_SET_FRAME_INFO + tid = %d\n", current->pid); */
user_data_addr = (unsigned char *)arg;
ret = copy_from_user(&rFrameInfo, user_data_addr,
sizeof(struct VAL_FRAME_INFO_T));
if (ret) {
pr_debug("%s, copy_from_user failed: %lu\n",
__func__, ret);
return -EFAULT;
}
/* TODO check user
* mutex_lock(&VDecHWLock);
* if (grVcodecDecHWLock.pvHandle !=
* (VAL_VOID_T *)pmem_user_v2p_video((VAL_ULONG_T)rFrameInfo.handle)) {
*
* MODULE_MFV_LOGD("[ERROR] VCODEC_SET_FRAME_INFO, vdec not locked");
* mutex_unlock(&VDecHWLock);
* return -EFAULT;
* }
* mutex_unlock(&VDecHWLock);
*/
if (rFrameInfo.driver_type == VAL_DRIVER_TYPE_H264_DEC ||
rFrameInfo.driver_type == VAL_DRIVER_TYPE_HEVC_DEC ||
rFrameInfo.driver_type == VAL_DRIVER_TYPE_MP4_DEC ||
rFrameInfo.driver_type == VAL_DRIVER_TYPE_MP1_MP2_DEC) {
mutex_lock(&DecPMQoSLock);
/* Request BW after lock hw, this should always be true */
if (gVDECBWRequested == 0) {
frame_type = rFrameInfo.frame_type;
if (frame_type > 3 || frame_type < 0)
frame_type = 0;
if (dec_step_size > 1)
b_freq_idx = dec_step_size - 1;
/* 8bit * w * h * 1.5 * frame type ratio * freq ratio *
* decoding time relative to 1080p
*/
emi_bw = 8L * 1920 * 1080 * 3 * 10 * g_dec_freq;
switch (rFrameInfo.driver_type) {
case VAL_DRIVER_TYPE_H264_DEC:
emi_bw = emi_bw * gVDECFrmTRAVC[frame_type] /
(2 * STD_VDEC_FREQ);
break;
case VAL_DRIVER_TYPE_HEVC_DEC:
emi_bw = emi_bw * gVDECFrmTRHEVC[frame_type] /
(2 * STD_VDEC_FREQ);
break;
case VAL_DRIVER_TYPE_MP4_DEC:
case VAL_DRIVER_TYPE_MP1_MP2_DEC:
emi_bw = emi_bw * gVDECFrmTRMP2_4[frame_type] /
(2 * STD_VDEC_FREQ);
break;
default:
emi_bw = 0;
pr_debug("Unsupported decoder type for BW");
}
if (rFrameInfo.is_compressed != 0)
emi_bw = emi_bw * 6 / 10;
/* pr_debug("UFO %d, emi_bw %ld",
* rFrameInfo.is_compressed, emi_bw);
*/
/* input size */
if ((rFrameInfo.frame_width * rFrameInfo.frame_height) == 0) {
pr_debug("%s, input size failed\n", __func__);
mutex_unlock(&DecPMQoSLock);
return -EFAULT;
}
emi_bw += 8 * rFrameInfo.input_size * 100 * 1920 * 1088
/ (rFrameInfo.frame_width *
rFrameInfo.frame_height);
/* pr_debug("input_size %d, w %d, h %d emi_bw %ld",
* rFrameInfo.input_size, rFrameInfo.frame_width,
* rFrameInfo.frame_height, emi_bw);
*/
/* transaction bytes to occupied BW */
emi_bw = emi_bw * 4 / 3;
/* bits/s to mbytes/s */
emi_bw = emi_bw / (1024*1024) / 8;
/* pr_info("VDEC mbytes/s emi_bw %ld", emi_bw); */
mtk_pm_qos_update_request(&vcodec_qos_request, (int)emi_bw);
gVDECBWRequested = 1;
}
mutex_unlock(&DecPMQoSLock);
} else if (rFrameInfo.driver_type == VAL_DRIVER_TYPE_H264_ENC) {
mutex_lock(&EncPMQoSLock);
if (gVENCBWRequested == 0) {
frame_type = rFrameInfo.frame_type;
if (frame_type > 2 || frame_type < 0)
frame_type = 0;
if (enc_step_size > 1)
b_freq_idx = dec_step_size - 1;
/* 8bit * w * h * 1.5 * frame type ratio * freq ratio *
* decoding time relative to 1080p
*/
emi_bw = 8L * 1920 * 1080 * 3 * 10 * g_enc_freq;
switch (rFrameInfo.driver_type) {
case VAL_DRIVER_TYPE_H264_ENC:
emi_bw = emi_bw * gVENCFrmTRAVC[frame_type] /
(2 * STD_VENC_FREQ);
break;
default:
emi_bw = 0;
pr_debug("Unsupported encoder type for BW");
}
/* transaction bytes to occupied BW */
emi_bw = emi_bw * 4 / 3;
/* bits/s to mbytes/s */
emi_bw = emi_bw / (1024*1024) / 8;
/* pr_info("VENC mbytes/s emi_bw %ld", emi_bw); */
mtk_pm_qos_update_request(&vcodec_qos_request2,
(int)emi_bw);
gVENCBWRequested = 1;
}
mutex_unlock(&EncPMQoSLock);
}
/* pr_debug("VCODEC_SET_FRAME_INFO - tid = %d\n", current->pid); */
return 0;
}
static long vcodec_unlocked_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
long ret;
unsigned char *user_data_addr;
int temp_nr_cpu_ids;
char rIncLogCount;
/*
* VCODEC_DRV_CMD_QUEUE_T rDrvCmdQueue;
* P_VCODEC_DRV_CMD_T cmd_queue = VAL_NULL;
* unsigned int u4Size, uValue, nCount;
*/
switch (cmd) {
case VCODEC_SET_THREAD_ID:
{
pr_info("[INFO] VCODEC_SET_THREAD_ID empty");
}
break;
case VCODEC_ALLOC_NON_CACHE_BUFFER:
{
pr_info("[INFO] VCODEC_ALLOC_NON_CACHE_BUFFER empty");
}
break;
case VCODEC_FREE_NON_CACHE_BUFFER:
{
pr_info("[INFO] VCODEC_FREE_NON_CACHE_BUFFER empty");
}
break;
case VCODEC_INC_DEC_EMI_USER:
{
/* pr_debug("VCODEC_INC_DEC_EMI_USER + tid = %d\n",
* current->pid);
*/
mutex_lock(&DecEMILock);
gu4DecEMICounter++;
pr_debug("[VCODEC] DEC_EMI_USER = %d\n",
gu4DecEMICounter);
user_data_addr = (unsigned char *)arg;
ret = copy_to_user(user_data_addr, &gu4DecEMICounter,
sizeof(unsigned int));
if (ret) {
pr_info("INC_DEC_EMI_USER, copy_to_user fail: %lu",
ret);
mutex_unlock(&DecEMILock);
return -EFAULT;
}
mutex_unlock(&DecEMILock);
/* pr_debug("VCODEC_INC_DEC_EMI_USER - tid = %d\n",
* current->pid);
*/
}
break;
case VCODEC_DEC_DEC_EMI_USER:
{
/* pr_debug("VCODEC_DEC_DEC_EMI_USER + tid = %d\n",
* current->pid);
*/
mutex_lock(&DecEMILock);
gu4DecEMICounter--;
pr_debug("[VCODEC] DEC_EMI_USER = %d\n",
gu4DecEMICounter);
user_data_addr = (unsigned char *)arg;
ret = copy_to_user(user_data_addr, &gu4DecEMICounter,
sizeof(unsigned int));
if (ret) {
pr_info("DEC_DEC_EMI_USER, copy_to_user fail: %lu",
ret);
mutex_unlock(&DecEMILock);
return -EFAULT;
}
mutex_unlock(&DecEMILock);
/* pr_debug("VCODEC_DEC_DEC_EMI_USER - tid = %d\n",
* current->pid);
*/
}
break;
case VCODEC_INC_ENC_EMI_USER:
{
/* pr_debug("VCODEC_INC_ENC_EMI_USER + tid = %d\n",
* current->pid);
*/
mutex_lock(&EncEMILock);
gu4EncEMICounter++;
pr_debug("[VCODEC] ENC_EMI_USER = %d\n",
gu4EncEMICounter);
user_data_addr = (unsigned char *)arg;
ret = copy_to_user(user_data_addr, &gu4EncEMICounter,
sizeof(unsigned int));
if (ret) {
pr_info("INC_ENC_EMI_USER, copy_to_user fail: %lu",
ret);
mutex_unlock(&EncEMILock);
return -EFAULT;
}
mutex_unlock(&EncEMILock);
/* pr_debug("VCODEC_INC_ENC_EMI_USER - tid = %d\n",
* current->pid);
*/
}
break;
case VCODEC_DEC_ENC_EMI_USER:
{
/* pr_debug("VCODEC_DEC_ENC_EMI_USER + tid = %d\n",
* current->pid);
*/
mutex_lock(&EncEMILock);
gu4EncEMICounter--;
pr_info("[VCODEC] ENC_EMI_USER = %d\n",
gu4EncEMICounter);
user_data_addr = (unsigned char *)arg;
ret = copy_to_user(user_data_addr, &gu4EncEMICounter,
sizeof(unsigned int));
if (ret) {
pr_info("DEC_ENC_EMI_USER, copy_to_user fail: %lu",
ret);
mutex_unlock(&EncEMILock);
return -EFAULT;
}
mutex_unlock(&EncEMILock);
/* pr_debug("VCODEC_DEC_ENC_EMI_USER - tid = %d\n",
* current->pid);
*/
}
break;
case VCODEC_LOCKHW:
{
ret = vcodec_lockhw(arg);
if (ret) {
pr_info("[ERROR] VCODEC_LOCKHW failed! %lu\n",
ret);
return ret;
}
}
break;
case VCODEC_UNLOCKHW:
{
ret = vcodec_unlockhw(arg);
if (ret) {
pr_info("[ERROR] VCODEC_UNLOCKHW failed! %lu\n",
ret);
return ret;
}
}
break;
case VCODEC_INC_PWR_USER:
{
/* pr_info("[INFO] VCODEC_INC_PWR_USER empty"); */
}
break;
case VCODEC_DEC_PWR_USER:
{
/* pr_info("[INFO] VCODEC_DEC_PWR_USER empty"); */
}
break;
case VCODEC_WAITISR:
{
ret = vcodec_waitisr(arg);
if (ret) {
pr_info("[ERROR] VCODEC_WAITISR failed! %lu\n",
ret);
return ret;
}
}
break;
case VCODEC_INITHWLOCK:
{
pr_info("[INFO] VCODEC_INITHWLOCK empty");
}
break;
case VCODEC_DEINITHWLOCK:
{
pr_info("[INFO] VCODEC_DEINITHWLOCK empty");
}
break;
case VCODEC_GET_CPU_LOADING_INFO:
{
pr_info("[INFO] VCODEC_GET_CPU_LOADING empty");
}
break;
case VCODEC_GET_CORE_LOADING:
{
pr_info("[INFO] VCODEC_GET_CORE_LOADING empty");
}
break;
case VCODEC_GET_CORE_NUMBER:
{
/* pr_debug("VCODEC_GET_CORE_NUMBER + - tid = %d\n",
* current->pid);
*/
user_data_addr = (unsigned char *)arg;
temp_nr_cpu_ids = nr_cpu_ids;
ret = copy_to_user(user_data_addr, &temp_nr_cpu_ids,
sizeof(int));
if (ret) {
pr_info("GET_CORE_NUMBER, copy_to_user failed: %lu",
ret);
return -EFAULT;
}
/* pr_debug("VCODEC_GET_CORE_NUMBER - - tid = %d\n",
* current->pid);
*/
}
break;
case VCODEC_SET_CPU_OPP_LIMIT:
{
pr_info("[INFO] VCODEC_SET_CPU_OPP_LIMIT empty");
}
break;
case VCODEC_MB:
{
/* For userspace to guarantee register setting order */
mb();
}
break;
case VCODEC_SET_LOG_COUNT:
{
/* pr_debug("VCODEC_SET_LOG_COUNT + tid = %d\n",
* current->pid);
*/
mutex_lock(&LogCountLock);
user_data_addr = (unsigned char *)arg;
ret = copy_from_user(&rIncLogCount, user_data_addr,
sizeof(char));
if (ret) {
pr_info("SET_LOG_COUNT, copy_from_user failed: %lu",
ret);
mutex_unlock(&LogCountLock);
return -EFAULT;
}
if (rIncLogCount == VAL_TRUE) {
if (gu4LogCountUser == 0) {
/* gu4LogCount = get_detect_count(); */
/* set_detect_count(gu4LogCount + 100); */
}
gu4LogCountUser++;
} else {
gu4LogCountUser--;
if (gu4LogCountUser == 0) {
/* set_detect_count(gu4LogCount); */
gu4LogCount = 0;
}
}
mutex_unlock(&LogCountLock);
/* pr_debug("VCODEC_SET_LOG_COUNT - tid = %d\n",
* current->pid);
*/
}
break;
case VCODEC_SET_FRAME_INFO:
{
ret = vcodec_set_frame_info(arg);
if (ret) {
pr_debug("[ERROR] VCODEC_SET_FRAME_INFO failed! %lu\n",
ret);
return ret;
}
}
break;
default:
{
pr_info("[ERROR] vcodec_ioctl default case %u\n", cmd);
}
break;
}
return 0xFF;
}
#if IS_ENABLED(CONFIG_COMPAT)
enum STRUCT_TYPE {
VAL_HW_LOCK_TYPE = 0,
VAL_POWER_TYPE,
VAL_ISR_TYPE,
VAL_MEMORY_TYPE,
VAL_FRAME_INFO_TYPE
};
enum COPY_DIRECTION {
COPY_FROM_USER = 0,
COPY_TO_USER,
};
struct COMPAT_VAL_HW_LOCK_T {
/* [IN] The video codec driver handle */
compat_uptr_t pvHandle;
/* [IN] The size of video codec driver handle */
compat_uint_t u4HandleSize;
/* [IN/OUT] The Lock discriptor */
compat_uptr_t pvLock;
/* [IN] The timeout ms */
compat_uint_t u4TimeoutMs;
/* [IN/OUT] The reserved parameter */
compat_uptr_t pvReserved;
/* [IN] The size of reserved parameter structure */
compat_uint_t u4ReservedSize;
/* [IN] The driver type */
compat_uint_t eDriverType;
/* [IN] True if this is a secure instance */
/* MTK_SEC_VIDEO_PATH_SUPPORT */
char bSecureInst;
};
struct COMPAT_VAL_POWER_T {
/* [IN] The video codec driver handle */
compat_uptr_t pvHandle;
/* [IN] The size of video codec driver handle */
compat_uint_t u4HandleSize;
/* [IN] The driver type */
compat_uint_t eDriverType;
/* [IN] Enable or not. */
char fgEnable;
/* [IN/OUT] The reserved parameter */
compat_uptr_t pvReserved;
/* [IN] The size of reserved parameter structure */
compat_uint_t u4ReservedSize;
/* [OUT] The number of power user right now */
/* unsigned int u4L2CUser; */
};
struct COMPAT_VAL_ISR_T {
/* [IN] The video codec driver handle */
compat_uptr_t pvHandle;
/* [IN] The size of video codec driver handle */
compat_uint_t u4HandleSize;
/* [IN] The driver type */
compat_uint_t eDriverType;
/* [IN] The isr function */
compat_uptr_t pvIsrFunction;
/* [IN/OUT] The reserved parameter */
compat_uptr_t pvReserved;
/* [IN] The size of reserved parameter structure */
compat_uint_t u4ReservedSize;
/* [IN] The timeout in ms */
compat_uint_t u4TimeoutMs;
/* [IN] The num of return registers when HW done */
compat_uint_t u4IrqStatusNum;
/* [IN/OUT] The value of return registers when HW done */
compat_uint_t u4IrqStatus[IRQ_STATUS_MAX_NUM];
};
struct COMPAT_VAL_MEMORY_T {
/* [IN] The allocation memory type */
compat_uint_t eMemType;
/* [IN] The size of memory allocation */
compat_ulong_t u4MemSize;
/* [IN/OUT] The memory virtual address */
compat_uptr_t pvMemVa;
/* [IN/OUT] The memory physical address */
compat_uptr_t pvMemPa;
/* [IN] The memory byte alignment setting */
compat_uint_t eAlignment;
/* [IN/OUT] The align memory virtual address */
compat_uptr_t pvAlignMemVa;
/* [IN/OUT] The align memory physical address */
compat_uptr_t pvAlignMemPa;
/* [IN] The memory codec for VENC or VDEC */
compat_uint_t eMemCodec;
compat_uint_t i4IonShareFd;
compat_uptr_t pIonBufhandle;
/* [IN/OUT] The reserved parameter */
compat_uptr_t pvReserved;
/* [IN] The size of reserved parameter structure */
compat_ulong_t u4ReservedSize;
};
struct COMPAT_VAL_FRAME_INFO_T {
compat_uptr_t handle;
compat_uint_t driver_type;
compat_uint_t input_size;
compat_uint_t frame_width;
compat_uint_t frame_height;
compat_uint_t frame_type;
compat_uint_t is_compressed;
};
static int get_uptr_to_32(compat_uptr_t *p, void __user **uptr)
{
void __user *p2p;
int err = get_user(p2p, uptr);
*p = ptr_to_compat(p2p);
return err;
}
static int compat_copy_struct(
enum STRUCT_TYPE eType,
enum COPY_DIRECTION eDirection,
void __user *data32,
void __user *data)
{
compat_uint_t u;
compat_ulong_t l;
compat_uptr_t p;
char c;
int err = 0;
switch (eType) {
case VAL_HW_LOCK_TYPE:
{
if (eDirection == COPY_FROM_USER) {
struct COMPAT_VAL_HW_LOCK_T __user *from32 =
(struct COMPAT_VAL_HW_LOCK_T *)data32;
struct VAL_HW_LOCK_T __user *to =
(struct VAL_HW_LOCK_T *)data;
err = get_user(p, &(from32->pvHandle));
err |= put_user(compat_ptr(p), &(to->pvHandle));
err |= get_user(u, &(from32->u4HandleSize));
err |= put_user(u, &(to->u4HandleSize));
err |= get_user(p, &(from32->pvLock));
err |= put_user(compat_ptr(p), &(to->pvLock));
err |= get_user(u, &(from32->u4TimeoutMs));
err |= put_user(u, &(to->u4TimeoutMs));
err |= get_user(p, &(from32->pvReserved));
err |= put_user(compat_ptr(p), &(to->pvReserved));
err |= get_user(u, &(from32->u4ReservedSize));
err |= put_user(u, &(to->u4ReservedSize));
err |= get_user(u, &(from32->eDriverType));
err |= put_user(u, &(to->eDriverType));
err |= get_user(c, &(from32->bSecureInst));
err |= put_user(c, &(to->bSecureInst));
} else {
struct COMPAT_VAL_HW_LOCK_T __user *to32 =
(struct COMPAT_VAL_HW_LOCK_T *)data32;
struct VAL_HW_LOCK_T __user *from =
(struct VAL_HW_LOCK_T *)data;
err = get_uptr_to_32(&p, &(from->pvHandle));
err |= put_user(p, &(to32->pvHandle));
err |= get_user(u, &(from->u4HandleSize));
err |= put_user(u, &(to32->u4HandleSize));
err |= get_uptr_to_32(&p, &(from->pvLock));
err |= put_user(p, &(to32->pvLock));
err |= get_user(u, &(from->u4TimeoutMs));
err |= put_user(u, &(to32->u4TimeoutMs));
err |= get_uptr_to_32(&p, &(from->pvReserved));
err |= put_user(p, &(to32->pvReserved));
err |= get_user(u, &(from->u4ReservedSize));
err |= put_user(u, &(to32->u4ReservedSize));
err |= get_user(u, &(from->eDriverType));
err |= put_user(u, &(to32->eDriverType));
err |= get_user(c, &(from->bSecureInst));
err |= put_user(c, &(to32->bSecureInst));
}
}
break;
case VAL_POWER_TYPE:
{
if (eDirection == COPY_FROM_USER) {
struct COMPAT_VAL_POWER_T __user *from32 =
(struct COMPAT_VAL_POWER_T *)data32;
struct VAL_POWER_T __user *to =
(struct VAL_POWER_T *)data;
err = get_user(p, &(from32->pvHandle));
err |= put_user(compat_ptr(p), &(to->pvHandle));
err |= get_user(u, &(from32->u4HandleSize));
err |= put_user(u, &(to->u4HandleSize));
err |= get_user(u, &(from32->eDriverType));
err |= put_user(u, &(to->eDriverType));
err |= get_user(c, &(from32->fgEnable));
err |= put_user(c, &(to->fgEnable));
err |= get_user(p, &(from32->pvReserved));
err |= put_user(compat_ptr(p), &(to->pvReserved));
err |= get_user(u, &(from32->u4ReservedSize));
err |= put_user(u, &(to->u4ReservedSize));
} else {
struct COMPAT_VAL_POWER_T __user *to32 =
(struct COMPAT_VAL_POWER_T *)data32;
struct VAL_POWER_T __user *from =
(struct VAL_POWER_T *)data;
err = get_uptr_to_32(&p, &(from->pvHandle));
err |= put_user(p, &(to32->pvHandle));
err |= get_user(u, &(from->u4HandleSize));
err |= put_user(u, &(to32->u4HandleSize));
err |= get_user(u, &(from->eDriverType));
err |= put_user(u, &(to32->eDriverType));
err |= get_user(c, &(from->fgEnable));
err |= put_user(c, &(to32->fgEnable));
err |= get_uptr_to_32(&p, &(from->pvReserved));
err |= put_user(p, &(to32->pvReserved));
err |= get_user(u, &(from->u4ReservedSize));
err |= put_user(u, &(to32->u4ReservedSize));
}
}
break;
case VAL_ISR_TYPE:
{
int i = 0;
if (eDirection == COPY_FROM_USER) {
struct COMPAT_VAL_ISR_T __user *from32 =
(struct COMPAT_VAL_ISR_T *)data32;
struct VAL_ISR_T __user *to = (struct VAL_ISR_T *)data;
err = get_user(p, &(from32->pvHandle));
err |= put_user(compat_ptr(p), &(to->pvHandle));
err |= get_user(u, &(from32->u4HandleSize));
err |= put_user(u, &(to->u4HandleSize));
err |= get_user(u, &(from32->eDriverType));
err |= put_user(u, &(to->eDriverType));
err |= get_user(p, &(from32->pvIsrFunction));
err |= put_user(compat_ptr(p), &(to->pvIsrFunction));
err |= get_user(p, &(from32->pvReserved));
err |= put_user(compat_ptr(p), &(to->pvReserved));
err |= get_user(u, &(from32->u4ReservedSize));
err |= put_user(u, &(to->u4ReservedSize));
err |= get_user(u, &(from32->u4TimeoutMs));
err |= put_user(u, &(to->u4TimeoutMs));
err |= get_user(u, &(from32->u4IrqStatusNum));
err |= put_user(u, &(to->u4IrqStatusNum));
for (; i < IRQ_STATUS_MAX_NUM; i++) {
err |= get_user(u, &(from32->u4IrqStatus[i]));
err |= put_user(u, &(to->u4IrqStatus[i]));
}
return err;
} else {
struct COMPAT_VAL_ISR_T __user *to32 =
(struct COMPAT_VAL_ISR_T *)data32;
struct VAL_ISR_T __user *from =
(struct VAL_ISR_T *)data;
err = get_uptr_to_32(&p, &(from->pvHandle));
err |= put_user(p, &(to32->pvHandle));
err |= get_user(u, &(from->u4HandleSize));
err |= put_user(u, &(to32->u4HandleSize));
err |= get_user(u, &(from->eDriverType));
err |= put_user(u, &(to32->eDriverType));
err |= get_uptr_to_32(&p, &(from->pvIsrFunction));
err |= put_user(p, &(to32->pvIsrFunction));
err |= get_uptr_to_32(&p, &(from->pvReserved));
err |= put_user(p, &(to32->pvReserved));
err |= get_user(u, &(from->u4ReservedSize));
err |= put_user(u, &(to32->u4ReservedSize));
err |= get_user(u, &(from->u4TimeoutMs));
err |= put_user(u, &(to32->u4TimeoutMs));
err |= get_user(u, &(from->u4IrqStatusNum));
err |= put_user(u, &(to32->u4IrqStatusNum));
for (; i < IRQ_STATUS_MAX_NUM; i++) {
err |= get_user(u, &(from->u4IrqStatus[i]));
err |= put_user(u, &(to32->u4IrqStatus[i]));
}
}
}
break;
case VAL_MEMORY_TYPE:
{
if (eDirection == COPY_FROM_USER) {
struct COMPAT_VAL_MEMORY_T __user *from32 =
(struct COMPAT_VAL_MEMORY_T *)data32;
struct VAL_MEMORY_T __user *to =
(struct VAL_MEMORY_T *)data;
err = get_user(u, &(from32->eMemType));
err |= put_user(u, &(to->eMemType));
err |= get_user(l, &(from32->u4MemSize));
err |= put_user(l, &(to->u4MemSize));
err |= get_user(p, &(from32->pvMemVa));
err |= put_user(compat_ptr(p), &(to->pvMemVa));
err |= get_user(p, &(from32->pvMemPa));
err |= put_user(compat_ptr(p), &(to->pvMemPa));
err |= get_user(u, &(from32->eAlignment));
err |= put_user(u, &(to->eAlignment));
err |= get_user(p, &(from32->pvAlignMemVa));
err |= put_user(compat_ptr(p), &(to->pvAlignMemVa));
err |= get_user(p, &(from32->pvAlignMemPa));
err |= put_user(compat_ptr(p), &(to->pvAlignMemPa));
err |= get_user(u, &(from32->eMemCodec));
err |= put_user(u, &(to->eMemCodec));
err |= get_user(u, &(from32->i4IonShareFd));
err |= put_user(u, &(to->i4IonShareFd));
err |= get_user(p, &(from32->pIonBufhandle));
err |= put_user(compat_ptr(p), &(to->pIonBufhandle));
err |= get_user(p, &(from32->pvReserved));
err |= put_user(compat_ptr(p), &(to->pvReserved));
err |= get_user(l, &(from32->u4ReservedSize));
err |= put_user(l, &(to->u4ReservedSize));
} else {
struct COMPAT_VAL_MEMORY_T __user *to32 =
(struct COMPAT_VAL_MEMORY_T *)data32;
struct VAL_MEMORY_T __user *from =
(struct VAL_MEMORY_T *)data;
err = get_user(u, &(from->eMemType));
err |= put_user(u, &(to32->eMemType));
err |= get_user(l, &(from->u4MemSize));
err |= put_user(l, &(to32->u4MemSize));
err |= get_uptr_to_32(&p, &(from->pvMemVa));
err |= put_user(p, &(to32->pvMemVa));
err |= get_uptr_to_32(&p, &(from->pvMemPa));
err |= put_user(p, &(to32->pvMemPa));
err |= get_user(u, &(from->eAlignment));
err |= put_user(u, &(to32->eAlignment));
err |= get_uptr_to_32(&p, &(from->pvAlignMemVa));
err |= put_user(p, &(to32->pvAlignMemVa));
err |= get_uptr_to_32(&p, &(from->pvAlignMemPa));
err |= put_user(p, &(to32->pvAlignMemPa));
err |= get_user(u, &(from->eMemCodec));
err |= put_user(u, &(to32->eMemCodec));
err |= get_user(u, &(from->i4IonShareFd));
err |= put_user(u, &(to32->i4IonShareFd));
err |= get_uptr_to_32(&p,
(void __user **)&(from->pIonBufhandle));
err |= put_user(p, &(to32->pIonBufhandle));
err |= get_uptr_to_32(&p, &(from->pvReserved));
err |= put_user(p, &(to32->pvReserved));
err |= get_user(l, &(from->u4ReservedSize));
err |= put_user(l, &(to32->u4ReservedSize));
}
}
break;
case VAL_FRAME_INFO_TYPE:
{
if (eDirection == COPY_FROM_USER) {
struct COMPAT_VAL_FRAME_INFO_T __user *from32 =
(struct COMPAT_VAL_FRAME_INFO_T *)data32;
struct VAL_FRAME_INFO_T __user *to =
(struct VAL_FRAME_INFO_T *)data;
err = get_user(p, &(from32->handle));
err |= put_user(compat_ptr(p), &(to->handle));
err |= get_user(u, &(from32->driver_type));
err |= put_user(u, &(to->driver_type));
err |= get_user(u, &(from32->input_size));
err |= put_user(u, &(to->input_size));
err |= get_user(u, &(from32->frame_width));
err |= put_user(u, &(to->frame_width));
err |= get_user(u, &(from32->frame_height));
err |= put_user(u, &(to->frame_height));
err |= get_user(u, &(from32->frame_type));
err |= put_user(u, &(to->frame_type));
err |= get_user(u, &(from32->is_compressed));
err |= put_user(u, &(to->is_compressed));
} else {
struct COMPAT_VAL_FRAME_INFO_T __user *to32 =
(struct COMPAT_VAL_FRAME_INFO_T *)data32;
struct VAL_FRAME_INFO_T __user *from =
(struct VAL_FRAME_INFO_T *)data;
err = get_uptr_to_32(&p, &(from->handle));
err |= put_user(p, &(to32->handle));
err |= get_user(u, &(from->driver_type));
err |= put_user(u, &(to32->driver_type));
err |= get_user(u, &(from->input_size));
err |= put_user(u, &(to32->input_size));
err |= get_user(u, &(from->frame_width));
err |= put_user(u, &(to32->frame_width));
err |= get_user(u, &(from->frame_height));
err |= put_user(u, &(to32->frame_height));
err |= get_user(u, &(from->frame_type));
err |= put_user(u, &(to32->frame_type));
err |= get_user(u, &(from->is_compressed));
err |= put_user(u, &(to32->is_compressed));
}
}
break;
default:
break;
}
return err;
}
static long vcodec_unlocked_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
long ret = 0;
/* pr_debug("vcodec_unlocked_compat_ioctl: 0x%x\n", cmd); */
switch (cmd) {
case VCODEC_ALLOC_NON_CACHE_BUFFER:
case VCODEC_FREE_NON_CACHE_BUFFER:
{
struct COMPAT_VAL_MEMORY_T __user *data32;
struct VAL_MEMORY_T __user *data;
int err;
data32 = compat_ptr(arg);
data = compat_alloc_user_space(sizeof(struct VAL_MEMORY_T));
if (data == NULL)
return -EFAULT;
err = compat_copy_struct(VAL_MEMORY_TYPE, COPY_FROM_USER,
(void *)data32, (void *)data);
if (err)
return err;
ret = file->f_op->unlocked_ioctl(file, cmd,
(unsigned long)data);
err = compat_copy_struct(VAL_MEMORY_TYPE, COPY_TO_USER,
(void *)data32, (void *)data);
if (err)
return err;
return ret;
}
break;
case VCODEC_LOCKHW:
case VCODEC_UNLOCKHW:
{
struct COMPAT_VAL_HW_LOCK_T __user *data32;
struct VAL_HW_LOCK_T __user *data;
int err;
data32 = compat_ptr(arg);
data = compat_alloc_user_space(sizeof(struct VAL_HW_LOCK_T));
if (data == NULL)
return -EFAULT;
err = compat_copy_struct(VAL_HW_LOCK_TYPE, COPY_FROM_USER,
(void *)data32, (void *)data);
if (err)
return err;
ret = file->f_op->unlocked_ioctl(file, cmd,
(unsigned long)data);
err = compat_copy_struct(VAL_HW_LOCK_TYPE, COPY_TO_USER,
(void *)data32, (void *)data);
if (err)
return err;
return ret;
}
break;
case VCODEC_INC_PWR_USER:
case VCODEC_DEC_PWR_USER:
{
struct COMPAT_VAL_POWER_T __user *data32;
struct VAL_POWER_T __user *data;
int err;
data32 = compat_ptr(arg);
data = compat_alloc_user_space(sizeof(struct VAL_POWER_T));
if (data == NULL)
return -EFAULT;
err = compat_copy_struct(VAL_POWER_TYPE, COPY_FROM_USER,
(void *)data32, (void *)data);
if (err)
return err;
ret = file->f_op->unlocked_ioctl(file, cmd,
(unsigned long)data);
err = compat_copy_struct(VAL_POWER_TYPE, COPY_TO_USER,
(void *)data32, (void *)data);
if (err)
return err;
return ret;
}
break;
case VCODEC_WAITISR:
{
struct COMPAT_VAL_ISR_T __user *data32;
struct VAL_ISR_T __user *data;
int err;
data32 = compat_ptr(arg);
data = compat_alloc_user_space(sizeof(struct VAL_ISR_T));
if (data == NULL)
return -EFAULT;
err = compat_copy_struct(VAL_ISR_TYPE, COPY_FROM_USER,
(void *)data32, (void *)data);
if (err)
return err;
ret = file->f_op->unlocked_ioctl(file, VCODEC_WAITISR,
(unsigned long)data);
err = compat_copy_struct(VAL_ISR_TYPE, COPY_TO_USER,
(void *)data32, (void *)data);
if (err)
return err;
return ret;
}
break;
case VCODEC_SET_FRAME_INFO:
{
struct COMPAT_VAL_FRAME_INFO_T __user *data32;
struct VAL_FRAME_INFO_T __user *data;
int err;
data32 = compat_ptr(arg);
data = compat_alloc_user_space(sizeof(struct VAL_FRAME_INFO_T));
if (data == NULL)
return -EFAULT;
err = compat_copy_struct(VAL_FRAME_INFO_TYPE,
COPY_FROM_USER, (void *)data32, (void *)data);
if (err)
return err;
ret = file->f_op->unlocked_ioctl(file, VCODEC_SET_FRAME_INFO,
(unsigned long)data);
err = compat_copy_struct(VAL_FRAME_INFO_TYPE, COPY_TO_USER,
(void *)data32, (void *)data);
if (err)
return err;
}
default:
return vcodec_unlocked_ioctl(file, cmd, arg);
}
return 0;
}
#else
#define vcodec_unlocked_compat_ioctl NULL
#endif
static int vcodec_open(struct inode *inode, struct file *file)
{
pr_debug("%s\n", __func__);
mutex_lock(&DriverOpenCountLock);
Driver_Open_Count++;
pr_info("%s pid = %d, Driver_Open_Count %d\n",
__func__, current->pid, Driver_Open_Count);
mutex_unlock(&DriverOpenCountLock);
/* TODO: Check upper limit of concurrent users? */
return 0;
}
static int vcodec_flush(struct file *file, fl_owner_t id)
{
pr_debug("%s, curr_tid =%d\n", __func__, current->pid);
pr_debug("%s pid = %d, Driver_Open_Count %d\n",
__func__, current->pid, Driver_Open_Count);
return 0;
}
static int vcodec_release(struct inode *inode, struct file *file)
{
unsigned long ulFlagsLockHW, ulFlagsISR;
/* dump_stack(); */
pr_debug("%s, curr_tid =%d\n", __func__, current->pid);
mutex_lock(&DriverOpenCountLock);
pr_info("%s pid = %d, Driver_Open_Count %d\n",
__func__, current->pid, Driver_Open_Count);
Driver_Open_Count--;
if (Driver_Open_Count == 0) {
mutex_lock(&HWLock);
gu4VdecLockThreadId = 0;
/* check if someone didn't unlockHW */
if (CodecHWLock.pvHandle != 0) {
pr_info("err %s %d, type = %d, 0x%lx\n",
__func__, current->pid,
CodecHWLock.eDriverType,
(unsigned long)CodecHWLock.pvHandle);
pr_info("err VCODEC_SEL 0x%x\n",
VDO_HW_READ(KVA_VDEC_GCON_BASE + 0x20));
/* power off */
if (CodecHWLock.eDriverType ==
VAL_DRIVER_TYPE_MP4_DEC ||
CodecHWLock.eDriverType ==
VAL_DRIVER_TYPE_HEVC_DEC ||
CodecHWLock.eDriverType ==
VAL_DRIVER_TYPE_H264_DEC ||
CodecHWLock.eDriverType ==
VAL_DRIVER_TYPE_MP1_MP2_DEC) {
vdec_break();
disable_irq(VDEC_IRQ_ID);
#ifdef CONFIG_PM
pm_runtime_put_sync(vcodec_device);
#else
vdec_power_off();
#endif
mtk_pm_qos_update_request(&vcodec_qos_request, 0);
mtk_pm_qos_update_request(&vcodec_qos_request_f, 0);
gVDECBWRequested = 0;
} else if (CodecHWLock.eDriverType ==
VAL_DRIVER_TYPE_H264_ENC) {
venc_break();
disable_irq(VENC_IRQ_ID);
#ifdef CONFIG_PM
pm_runtime_put_sync(vcodec_device2);
#else
venc_power_off();
#endif
mtk_pm_qos_update_request(&vcodec_qos_request2, 0);
mtk_pm_qos_update_request(&vcodec_qos_request_f2,
0);
} else if (CodecHWLock.eDriverType ==
VAL_DRIVER_TYPE_JPEG_ENC) {
disable_irq(VENC_IRQ_ID);
#ifdef CONFIG_PM
pm_runtime_put_sync(vcodec_device2);
#else
venc_power_off();
#endif
}
}
CodecHWLock.pvHandle = 0;
CodecHWLock.eDriverType = VAL_DRIVER_TYPE_NONE;
CodecHWLock.rLockedTime.u4Sec = 0;
CodecHWLock.rLockedTime.u4uSec = 0;
mutex_unlock(&HWLock);
mutex_lock(&DecEMILock);
gu4DecEMICounter = 0;
mutex_unlock(&DecEMILock);
mutex_lock(&EncEMILock);
gu4EncEMICounter = 0;
mutex_unlock(&EncEMILock);
mutex_lock(&PWRLock);
gu4PWRCounter = 0;
mutex_unlock(&PWRLock);
#ifdef VCODEC_DVFS_V2
mutex_lock(&VcodecDVFSLock);
free_hist(&codec_hists, 0);
mutex_unlock(&VcodecDVFSLock);
#endif
spin_lock_irqsave(&LockDecHWCountLock, ulFlagsLockHW);
gu4LockDecHWCount = 0;
spin_unlock_irqrestore(&LockDecHWCountLock, ulFlagsLockHW);
spin_lock_irqsave(&LockEncHWCountLock, ulFlagsLockHW);
gu4LockEncHWCount = 0;
spin_unlock_irqrestore(&LockEncHWCountLock, ulFlagsLockHW);
spin_lock_irqsave(&DecISRCountLock, ulFlagsISR);
gu4DecISRCount = 0;
spin_unlock_irqrestore(&DecISRCountLock, ulFlagsISR);
spin_lock_irqsave(&EncISRCountLock, ulFlagsISR);
gu4EncISRCount = 0;
spin_unlock_irqrestore(&EncISRCountLock, ulFlagsISR);
}
mutex_unlock(&DriverOpenCountLock);
return 0;
}
void vcodec_vma_open(struct vm_area_struct *vma)
{
pr_debug("%s, virt %lx, phys %lx\n", __func__, vma->vm_start,
vma->vm_pgoff << PAGE_SHIFT);
}
void vcodec_vma_close(struct vm_area_struct *vma)
{
pr_debug("%s, virt %lx, phys %lx\n", __func__, vma->vm_start,
vma->vm_pgoff << PAGE_SHIFT);
}
static const struct vm_operations_struct vcodec_remap_vm_ops = {
.open = vcodec_vma_open,
.close = vcodec_vma_close,
};
static int vcodec_mmap(struct file *file, struct vm_area_struct *vma)
{
unsigned int u4I = 0;
unsigned long length;
unsigned long pfn;
length = vma->vm_end - vma->vm_start;
pfn = vma->vm_pgoff<<PAGE_SHIFT;
if (((length > VENC_REGION) || (pfn < VENC_BASE) ||
(pfn > VENC_BASE+VENC_REGION)) &&
((length > VDEC_REGION) || (pfn < VDEC_BASE_PHY) ||
(pfn > VDEC_BASE_PHY+VDEC_REGION)) &&
((length > HW_REGION) || (pfn < HW_BASE) ||
(pfn > HW_BASE+HW_REGION)) &&
((length > INFO_REGION) || (pfn < INFO_BASE) ||
(pfn > INFO_BASE+INFO_REGION))) {
unsigned long ulAddr, ulSize;
for (u4I = 0; u4I < VCODEC_INST_NUM_x_10; u4I++) {
if ((ncache_mem_list[u4I].ulKVA != -1L) &&
(ncache_mem_list[u4I].ulKPA != -1L)) {
ulAddr = ncache_mem_list[u4I].ulKPA;
ulSize = (ncache_mem_list[u4I].ulSize +
0x1000 - 1) & ~(0x1000 - 1);
if ((length == ulSize) && (pfn == ulAddr)) {
pr_debug("[VCODEC] cache idx %d\n",
u4I);
break;
}
}
}
if (u4I == VCODEC_INST_NUM_x_10) {
pr_info("mmap region error: Len(0x%lx),pfn(0x%lx)",
(unsigned long)length, pfn);
return -EAGAIN;
}
}
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
pr_debug("mmap vma->start 0x%lx, vma->end 0x%lx, vma->pgoff 0x%lx\n",
(unsigned long)vma->vm_start,
(unsigned long)vma->vm_end,
(unsigned long)vma->vm_pgoff);
if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
return -EAGAIN;
}
vma->vm_ops = &vcodec_remap_vm_ops;
vcodec_vma_open(vma);
return 0;
}
static const struct file_operations vcodec_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = vcodec_unlocked_ioctl,
.open = vcodec_open,
.flush = vcodec_flush,
.release = vcodec_release,
.mmap = vcodec_mmap,
#if IS_ENABLED(CONFIG_COMPAT)
.compat_ioctl = vcodec_unlocked_compat_ioctl,
#endif
};
#ifdef CONFIG_PM
static struct dev_pm_domain mt_vdec_pm_domain = {
.ops = {
SET_RUNTIME_PM_OPS(mt_vdec_runtime_suspend,
mt_vdec_runtime_resume,
NULL)
}
};
static struct dev_pm_domain mt_venc_pm_domain = {
.ops = {
SET_RUNTIME_PM_OPS(mt_venc_runtime_suspend,
mt_venc_runtime_resume,
NULL)
}
};
#endif
#if USE_WAKELOCK == 0
/**
* Suspend callbacks after user space processes are frozen
* Since user space processes are frozen, there is no need and cannot hold same
* mutex that protects lock owner while checking status.
* If video codec hardware is still active now, must not aenter suspend.
**/
static int vcodec_suspend(struct platform_device *pDev, pm_message_t state)
{
if (CodecHWLock.pvHandle != 0) {
pr_info("%s fail due to videocodec activity", __func__);
return -EBUSY;
}
pr_debug("%s ok", __func__);
return 0;
}
static int vcodec_resume(struct platform_device *pDev)
{
pr_info("%s ok", __func__);
return 0;
}
/**
* Suspend notifiers before user space processes are frozen.
* User space driver can still complete decoding/encoding of current frame.
* Change state to is_entering_suspend to stop further tasks but allow current
* frame to complete (LOCKHW, WAITISR, UNLOCKHW).
* Since there is no critical section proection, it is possible for a new task
* to start after changing to is_entering_suspend state. This case will be
* handled by suspend callback vcodec_suspend.
**/
static int vcodec_suspend_notifier(struct notifier_block *nb,
unsigned long action, void *data)
{
int wait_cnt = 0;
pr_info("%s ok action = %ld", __func__, action);
switch (action) {
case PM_SUSPEND_PREPARE:
is_entering_suspend = 1;
while (CodecHWLock.pvHandle != 0) {
wait_cnt++;
if (wait_cnt > 90) {
pr_info("%s waiting %p %d",
__func__, CodecHWLock.pvHandle,
(int)CodecHWLock.eDriverType);
/* Current task is still not finished, don't
* care, will check again in real suspend
*/
return NOTIFY_DONE;
}
usleep_range(1000, 2000);
}
return NOTIFY_OK;
case PM_POST_SUSPEND:
is_entering_suspend = 0;
return NOTIFY_OK;
default:
return NOTIFY_DONE;
}
return NOTIFY_DONE;
}
#endif
static int vcodec_probe(struct platform_device *dev)
{
int ret;
pr_debug("+%s\n", __func__);
mutex_lock(&DecEMILock);
gu4DecEMICounter = 0;
mutex_unlock(&DecEMILock);
mutex_lock(&EncEMILock);
gu4EncEMICounter = 0;
mutex_unlock(&EncEMILock);
mutex_lock(&PWRLock);
gu4PWRCounter = 0;
mutex_unlock(&PWRLock);
ret = register_chrdev_region(vcodec_devno, 1, VCODEC_DEVNAME);
if (ret) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC] Can't Get Major number\n");
}
vcodec_cdev = cdev_alloc();
vcodec_cdev->owner = THIS_MODULE;
vcodec_cdev->ops = &vcodec_fops;
ret = cdev_add(vcodec_cdev, vcodec_devno, 1);
if (ret) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC] Can't add Vcodec Device\n");
}
vcodec_class = class_create(THIS_MODULE, VCODEC_DEVNAME);
if (IS_ERR(vcodec_class)) {
ret = PTR_ERR(vcodec_class);
pr_info("[VCODEC] Unable to create class err = %d ",
ret);
return ret;
}
vcodec_device = device_create(vcodec_class, NULL, vcodec_devno, NULL,
VCODEC_DEVNAME);
#ifdef CONFIG_PM
vcodec_device->pm_domain = &mt_vdec_pm_domain;
vcodec_cdev2 = cdev_alloc();
vcodec_cdev2->owner = THIS_MODULE;
vcodec_cdev2->ops = &vcodec_fops;
ret = cdev_add(vcodec_cdev2, vcodec_devno2, 1);
if (ret) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC] Can't add Vcodec Device 2\n");
}
vcodec_class2 = class_create(THIS_MODULE, VCODEC_DEVNAME2);
if (IS_ERR(vcodec_class2)) {
ret = PTR_ERR(vcodec_class2);
pr_info("[VCODEC] Unable to create class 2, err = %d", ret);
return ret;
}
vcodec_device2 = device_create(vcodec_class2, NULL, vcodec_devno2,
NULL, VCODEC_DEVNAME2);
vcodec_device2->pm_domain = &mt_venc_pm_domain;
pm_runtime_enable(vcodec_device);
pm_runtime_enable(vcodec_device2);
#endif
if (request_irq(VDEC_IRQ_ID, (irq_handler_t)video_intr_dlr,
IRQF_TRIGGER_LOW, VCODEC_DEVNAME, NULL) < 0) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] error to request dec irq\n");
} else {
pr_debug("[VCODEC] success to request dec irq: %d\n",
VDEC_IRQ_ID);
}
if (request_irq(VENC_IRQ_ID, (irq_handler_t)video_intr_dlr2,
IRQF_TRIGGER_LOW, VCODEC_DEVNAME, NULL) < 0) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_debug("[VCODEC][ERROR] error to request enc irq\n");
} else {
pr_debug("[VCODEC] success to request enc irq: %d\n",
VENC_IRQ_ID);
}
disable_irq(VDEC_IRQ_ID);
disable_irq(VENC_IRQ_ID);
#ifndef CONFIG_MTK_SMI_EXT
clk_MT_CG_SMI_COMM0 = devm_clk_get(&dev->dev, "MT_CG_MM_SMI_COMM0");
if (IS_ERR(clk_MT_CG_SMI_COMMON)) {
pr_info("[VCODEC] Unable to get MT_CG_MM_SMI_COMM0");
return PTR_ERR(clk_MT_CG_SMI_COMM0);
}
clk_MT_CG_SMI_COMM1 = devm_clk_get(&dev->dev, "MT_CG_MM_SMI_COMM1");
if (IS_ERR(clk_MT_CG_SMI_COMM1)) {
pr_info("[VCODEC] Unable to get MT_CG_SMI_COMM1");
return PTR_ERR(clk_MT_CG_SMI_COMM1);
}
clk_MT_CG_SMI_COMMON = devm_clk_get(&dev->dev, "MT_CG_MM_SMI_COMMON");
if (IS_ERR(clk_MT_CG_SMI_COMMON)) {
pr_info("[VCODEC] Unable to get MT_CG_MM_SMI_COMMON");
return PTR_ERR(clk_MT_CG_SMI_COMMON);
}
#endif
clk_MT_CG_VDEC = devm_clk_get(&dev->dev, "MT_CG_VDEC");
if (IS_ERR(clk_MT_CG_VDEC)) {
pr_info("[VCODEC] Unable to get MT_CG_VDEC");
return PTR_ERR(clk_MT_CG_VDEC);
}
clk_MT_CG_VENC = devm_clk_get(&dev->dev, "MT_CG_VENC");
if (IS_ERR(clk_MT_CG_VENC)) {
pr_info("[VCODEC] Unable to get MT_CG_VENC");
return PTR_ERR(clk_MT_CG_VENC);
}
clk_MT_SCP_SYS_VCODEC = devm_clk_get(&dev->dev, "MT_SCP_SYS_VCODEC");
if (IS_ERR(clk_MT_SCP_SYS_VCODEC)) {
pr_info("[VCODEC] Unable to get MT_SCP_SYS_VCODEC");
return PTR_ERR(clk_MT_SCP_SYS_VCODEC);
}
clk_MT_SCP_SYS_DISP = devm_clk_get(&dev->dev, "MT_SCP_SYS_DIS");
if (IS_ERR(clk_MT_SCP_SYS_DISP)) {
pr_info("[VCODEC] Unable to get MT_SCP_SYS_DIS");
return PTR_ERR(clk_MT_SCP_SYS_DISP);
}
#if USE_WAKELOCK == 0
pm_notifier(vcodec_suspend_notifier, 0);
#endif
pr_debug("%s Done\n", __func__);
#ifdef KS_POWER_WORKAROUND
vdec_power_on();
venc_power_on();
#endif
mtk_pm_qos_add_request(&vcodec_qos_request,
MTK_PM_QOS_MEMORY_BANDWIDTH,
MTK_PM_QOS_MEMORY_BANDWIDTH_DEFAULT_VALUE);
mtk_pm_qos_add_request(&vcodec_qos_request2,
MTK_PM_QOS_MEMORY_BANDWIDTH,
MTK_PM_QOS_MEMORY_BANDWIDTH_DEFAULT_VALUE);
mtk_pm_qos_add_request(&vcodec_qos_request_f, PM_QOS_VDEC_FREQ,
PM_QOS_MM_FREQ_DEFAULT_VALUE);
mtk_pm_qos_add_request(&vcodec_qos_request_f2, PM_QOS_VENC_FREQ,
PM_QOS_MM_FREQ_DEFAULT_VALUE);
dec_step_size = 1;
enc_step_size = 1;
ret = mmdvfs_qos_get_freq_steps(PM_QOS_VDEC_FREQ,
&g_dec_freq_steps[0], &dec_step_size);
if (ret < 0)
pr_debug("Vdec get DVFS freq steps failed: %d\n", ret);
else if (dec_step_size > 0 && dec_step_size <= MAX_FREQ_STEP)
g_dec_freq = g_dec_freq_steps[dec_step_size - 1];
else
g_dec_freq = MIN_VDEC_FREQ;
ret = mmdvfs_qos_get_freq_steps(PM_QOS_VENC_FREQ,
&g_enc_freq_steps[0], &enc_step_size);
if (ret < 0)
pr_debug("Venc get DVFS freq steps failed: %d\n", ret);
else if (enc_step_size > 0 && enc_step_size <= MAX_FREQ_STEP)
g_enc_freq = g_enc_freq_steps[enc_step_size - 1];
else
g_enc_freq = MIN_VENC_FREQ;
return 0;
}
static int vcodec_remove(struct platform_device *pDev)
{
pr_debug("%s\n", __func__);
return 0;
}
#ifdef CONFIG_MTK_HIBERNATION
/* extern void mt_irq_set_sens(unsigned int irq, unsigned int sens); */
/* extern void mt_irq_set_polarity(unsigned int irq, unsigned int polarity); */
static int vcodec_pm_restore_noirq(struct device *device)
{
/* vdec: IRQF_TRIGGER_LOW */
mt_irq_set_sens(VDEC_IRQ_ID, MT_LEVEL_SENSITIVE);
mt_irq_set_polarity(VDEC_IRQ_ID, MT_POLARITY_LOW);
/* venc: IRQF_TRIGGER_LOW */
mt_irq_set_sens(VENC_IRQ_ID, MT_LEVEL_SENSITIVE);
mt_irq_set_polarity(VENC_IRQ_ID, MT_POLARITY_LOW);
return 0;
}
#endif
static const struct of_device_id vcodec_of_match[] = {
{ .compatible = "mediatek,venc_gcon", },
{/* sentinel */}
};
MODULE_DEVICE_TABLE(of, vcodec_of_match);
static struct platform_driver vcodec_driver = {
.probe = vcodec_probe,
.remove = vcodec_remove,
#if USE_WAKELOCK == 0
.suspend = vcodec_suspend,
.resume = vcodec_resume,
#endif
.driver = {
.name = VCODEC_DEVNAME,
.owner = THIS_MODULE,
.of_match_table = vcodec_of_match,
},
};
static int __init vcodec_driver_init(void)
{
enum VAL_RESULT_T eValHWLockRet;
unsigned long ulFlags, ulFlagsLockHW, ulFlagsISR;
pr_debug("+%s !!\n", __func__);
mutex_lock(&DriverOpenCountLock);
Driver_Open_Count = 0;
#if USE_WAKELOCK == 1
wakeup_source_init(&v_wakeup_src, "v_wakeup_src");
#endif
mutex_unlock(&DriverOpenCountLock);
mutex_lock(&LogCountLock);
gu4LogCountUser = 0;
gu4LogCount = 0;
mutex_unlock(&LogCountLock);
{
struct device_node *node = NULL;
node = of_find_compatible_node(NULL, NULL, "mediatek,venc");
KVA_VENC_BASE = of_iomap(node, 0);
VENC_IRQ_ID = irq_of_parse_and_map(node, 0);
KVA_VENC_IRQ_STATUS_ADDR = KVA_VENC_BASE + 0x05C;
KVA_VENC_IRQ_ACK_ADDR = KVA_VENC_BASE + 0x060;
}
{
struct device_node *node = NULL;
node = of_find_compatible_node(NULL, NULL, "mediatek,vdec");
KVA_VDEC_BASE = of_iomap(node, 0);
VDEC_IRQ_ID = irq_of_parse_and_map(node, 0);
KVA_VDEC_MISC_BASE = KVA_VDEC_BASE + 0x5000;
KVA_VDEC_VLD_BASE = KVA_VDEC_BASE + 0x0000;
}
#if defined(CONFIG_MACH_MT6761)
{
struct device_node *node = NULL;
node = of_find_compatible_node(NULL, NULL, "mediatek,mbist");
KVA_MBIST_BASE = of_iomap(node, 0);
}
#endif
{
struct device_node *node = NULL;
node = of_find_compatible_node(NULL, NULL,
"mediatek,venc_gcon");
KVA_VDEC_GCON_BASE = of_iomap(node, 0);
#if defined(CONFIG_MACH_MT6761)
pr_debug("[VCODEC] VENC(0x%p), VDEC(0x%p), GCON(0x%p), MBIST(0x%p)",
KVA_VENC_BASE, KVA_VDEC_BASE,
KVA_VDEC_GCON_BASE, KVA_MBIST_BASE);
#elif defined(CONFIG_MACH_MT6765)
pr_debug("[VCODEC] VENC(0x%p), VDEC(0x%p), VDEC_GCON(0x%p)",
KVA_VENC_BASE, KVA_VDEC_BASE, KVA_VDEC_GCON_BASE);
#endif
pr_debug("[VCODEC] VDEC_IRQ_ID(%d), VENC_IRQ_ID(%d)",
VDEC_IRQ_ID, VENC_IRQ_ID);
}
/* KVA_VENC_IRQ_STATUS_ADDR =
* (unsigned long)ioremap(VENC_IRQ_STATUS_addr, 4);
* KVA_VENC_IRQ_ACK_ADDR =
* (unsigned long)ioremap(VENC_IRQ_ACK_addr, 4);
*/
spin_lock_irqsave(&LockDecHWCountLock, ulFlagsLockHW);
gu4LockDecHWCount = 0;
spin_unlock_irqrestore(&LockDecHWCountLock, ulFlagsLockHW);
spin_lock_irqsave(&LockEncHWCountLock, ulFlagsLockHW);
gu4LockEncHWCount = 0;
spin_unlock_irqrestore(&LockEncHWCountLock, ulFlagsLockHW);
spin_lock_irqsave(&DecISRCountLock, ulFlagsISR);
gu4DecISRCount = 0;
spin_unlock_irqrestore(&DecISRCountLock, ulFlagsISR);
spin_lock_irqsave(&EncISRCountLock, ulFlagsISR);
gu4EncISRCount = 0;
spin_unlock_irqrestore(&EncISRCountLock, ulFlagsISR);
mutex_lock(&VdecPWRLock);
gu4VdecPWRCounter = 0;
mutex_unlock(&VdecPWRLock);
mutex_lock(&VencPWRLock);
gu4VencPWRCounter = 0;
mutex_unlock(&VencPWRLock);
mutex_lock(&IsOpenedLock);
if (bIsOpened == VAL_FALSE) {
bIsOpened = VAL_TRUE;
/* vcodec_probe(NULL); */
}
mutex_unlock(&IsOpenedLock);
mutex_lock(&HWLock);
gu4VdecLockThreadId = 0;
CodecHWLock.pvHandle = 0;
CodecHWLock.eDriverType = VAL_DRIVER_TYPE_NONE;
CodecHWLock.rLockedTime.u4Sec = 0;
CodecHWLock.rLockedTime.u4uSec = 0;
mutex_unlock(&HWLock);
mutex_lock(&HWLock);
CodecHWLock.pvHandle = 0;
CodecHWLock.eDriverType = VAL_DRIVER_TYPE_NONE;
CodecHWLock.rLockedTime.u4Sec = 0;
CodecHWLock.rLockedTime.u4uSec = 0;
mutex_unlock(&HWLock);
/* HWLockEvent part */
mutex_lock(&HWLockEventTimeoutLock);
HWLockEvent.pvHandle = "VCODECHWLOCK_EVENT";
HWLockEvent.u4HandleSize = sizeof("VCODECHWLOCK_EVENT")+1;
HWLockEvent.u4TimeoutMs = 1;
mutex_unlock(&HWLockEventTimeoutLock);
eValHWLockRet = eVideoCreateEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
if (eValHWLockRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] create vcodec hwlock event error\n");
}
#ifdef VCODEC_DVFS_V2
mutex_lock(&VcodecDVFSLock);
codec_hists = 0;
codec_jobs = 0;
mutex_unlock(&VcodecDVFSLock);
#endif
/* IsrEvent part */
spin_lock_irqsave(&DecIsrLock, ulFlags);
DecIsrEvent.pvHandle = "DECISR_EVENT";
DecIsrEvent.u4HandleSize = sizeof("DECISR_EVENT")+1;
DecIsrEvent.u4TimeoutMs = 1;
spin_unlock_irqrestore(&DecIsrLock, ulFlags);
eValHWLockRet = eVideoCreateEvent(&DecIsrEvent,
sizeof(struct VAL_EVENT_T));
if (eValHWLockRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] create dec isr event error\n");
}
spin_lock_irqsave(&EncIsrLock, ulFlags);
EncIsrEvent.pvHandle = "ENCISR_EVENT";
EncIsrEvent.u4HandleSize = sizeof("ENCISR_EVENT")+1;
EncIsrEvent.u4TimeoutMs = 1;
spin_unlock_irqrestore(&EncIsrLock, ulFlags);
eValHWLockRet = eVideoCreateEvent(&EncIsrEvent,
sizeof(struct VAL_EVENT_T));
if (eValHWLockRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] create enc isr event error\n");
}
#if USE_WAKELOCK == 0
is_entering_suspend = 0;
#endif
pr_debug("%s Done\n", __func__);
#ifdef CONFIG_MTK_HIBERNATION
register_swsusp_restore_noirq_func(ID_M_VCODEC,
vcodec_pm_restore_noirq, NULL);
#endif
#ifdef VCODEC_DEBUG_SYS
vcodec_debug_kobject = kobject_create_and_add("vcodec", NULL);
if (!vcodec_debug_kobject) {
pr_debug("Faile to create and add vcodec kobject");
return -ENOMEM;
}
error = sysfs_create_file(vcodec_debug_kobject,
&vcodec_debug_attr.attr);
if (error) {
pr_debug("Faile to create/add debug file in /sys/vcodec/");
return error;
}
#endif
return platform_driver_register(&vcodec_driver);
}
static void __exit vcodec_driver_exit(void)
{
enum VAL_RESULT_T eValHWLockRet;
pr_debug("%s\n", __func__);
#if USE_WAKELOCK == 1
mutex_lock(&DriverOpenCountLock);
wakeup_source_trash(&v_wakeup_src);
mutex_unlock(&DriverOpenCountLock);
#endif
mutex_lock(&IsOpenedLock);
if (bIsOpened == VAL_TRUE) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
bIsOpened = VAL_FALSE;
}
mutex_unlock(&IsOpenedLock);
cdev_del(vcodec_cdev);
unregister_chrdev_region(vcodec_devno, 1);
#ifdef CONFIG_PM
cdev_del(vcodec_cdev2);
#endif
/* [TODO] iounmap the following? */
/*
* iounmap((void *)KVA_VENC_IRQ_STATUS_ADDR);
* iounmap((void *)KVA_VENC_IRQ_ACK_ADDR);
*/
free_irq(VENC_IRQ_ID, NULL);
free_irq(VDEC_IRQ_ID, NULL);
/* MT6589_HWLockEvent part */
eValHWLockRet = eVideoCloseEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
if (eValHWLockRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] close dec hwlock event error\n");
}
eValHWLockRet = eVideoCloseEvent(&HWLockEvent,
sizeof(struct VAL_EVENT_T));
if (eValHWLockRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] close enc hwlock event error\n");
}
/* MT6589_IsrEvent part */
eValHWLockRet = eVideoCloseEvent(&DecIsrEvent,
sizeof(struct VAL_EVENT_T));
if (eValHWLockRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] close dec isr event error\n");
}
eValHWLockRet = eVideoCloseEvent(&EncIsrEvent,
sizeof(struct VAL_EVENT_T));
if (eValHWLockRet != VAL_RESULT_NO_ERROR) {
/* Add one line comment for avoid kernel coding style,
* WARNING:BRACES:
*/
pr_info("[VCODEC][ERROR] close enc isr event error\n");
}
#ifdef CONFIG_MTK_HIBERNATION
unregister_swsusp_restore_noirq_func(ID_M_VCODEC);
#endif
#ifdef VCODEC_DEBUG_SYS
kobject_put(vcodec_debug_kobject);
#endif
platform_driver_unregister(&vcodec_driver);
}
module_init(vcodec_driver_init);
module_exit(vcodec_driver_exit);
MODULE_AUTHOR("Legis, Lu <legis.lu@mediatek.com>");
MODULE_DESCRIPTION("MT6765 Vcodec Driver");
MODULE_LICENSE("GPL");
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