#include <linux/platform_device.h>
#include <linux/sched.h>
#include <linux/slab.h>
-#include <linux/timer.h>
+#include <linux/wakelock.h>
#include <asm/uaccess.h>
#include <mach/irqs.h>
-#include <plat/vpu_service.h>
#include <mach/pmu.h>
#include <mach/cru.h>
+#include <plat/vpu_service.h>
+#include <plat/cpu.h>
+
typedef enum {
VPU_DEC_ID_9190 = 0x6731,
VPU_ID_8270 = 0x8270,
VPU_ENC_TYPE_4831 ,
} VPU_HW_TYPE_E;
+typedef enum VPU_FREQ {
+ VPU_FREQ_200M,
+ VPU_FREQ_266M,
+ VPU_FREQ_300M,
+ VPU_FREQ_400M,
+ VPU_FREQ_DEFAULT,
+} VPU_FREQ;
+
typedef struct {
VPU_HW_ID hw_id;
unsigned long hw_addr;
unsigned long dec_io_size;
} VPU_HW_INFO_E;
+#define MHZ (1000*1000)
+
#define VCODEC_PHYS (0x10104000)
#define REG_NUM_9190_DEC (60)
#define VPU_REG_DEC_PP_GATE 61
#define VPU_REG_DEC_PP_GATE_BIT (1<<8)
-
/**
* struct for process session which connect to vpu
*
*/
typedef struct vpu_reg {
VPU_CLIENT_TYPE type;
+ VPU_FREQ freq;
vpu_session *session;
struct list_head session_link; /* link to vpu service session */
struct list_head status_link; /* link to register set list */
} vpu_reg;
typedef struct vpu_device {
+ atomic_t irq_count_codec;
+ atomic_t irq_count_pp;
unsigned long iobaseaddr;
unsigned int iosize;
volatile u32 *hwregs;
} vpu_device;
typedef struct vpu_service_info {
- spinlock_t lock;
- spinlock_t lock_power;
- struct timer_list timer; /* timer for power off */
+ struct wake_lock wake_lock;
+ struct delayed_work power_off_work;
+ struct mutex 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 */
VPUHwEncConfig_t enc_config;
VPU_HW_INFO_E *hw_info;
unsigned long reg_size;
+ bool auto_freq;
} vpu_service_info;
typedef struct vpu_request
} vpu_request;
static struct clk *pd_video;
-static struct clk *clk_vpu; /* for power on notify */
static struct clk *aclk_vepu;
static struct clk *hclk_vepu;
static struct clk *aclk_ddr_vepu;
static vpu_device dec_dev;
static vpu_device enc_dev;
-#define POWER_OFF_DELAY 4*HZ /* 4s */
-#define TIMEOUT_DELAY 2*HZ /* 2s */
+#define VPU_POWER_OFF_DELAY 4*HZ /* 4s */
+#define VPU_TIMEOUT_DELAY 2*HZ /* 2s */
static void vpu_get_clk(void)
{
pd_video = clk_get(NULL, "pd_video");
- clk_vpu = clk_get(NULL, "vpu");
aclk_vepu = clk_get(NULL, "aclk_vepu");
hclk_vepu = clk_get(NULL, "hclk_vepu");
aclk_ddr_vepu = clk_get(NULL, "aclk_ddr_vepu");
static void vpu_put_clk(void)
{
clk_put(pd_video);
- clk_put(clk_vpu);
clk_put(aclk_vepu);
clk_put(hclk_vepu);
clk_put(aclk_ddr_vepu);
static void vpu_service_power_off(void)
{
int total_running;
-
- spin_lock_bh(&service.lock_power);
if (!service.enabled) {
- spin_unlock_bh(&service.lock_power);
return;
}
clk_disable(aclk_ddr_vepu);
clk_disable(hclk_vepu);
clk_disable(aclk_vepu);
- clk_disable(clk_vpu);
+ wake_unlock(&service.wake_lock);
printk("done\n");
- spin_unlock_bh(&service.lock_power);
}
-static void vpu_service_power_off_work_func(unsigned long data)
+static inline void vpu_queue_power_off_work(void)
{
- printk("delayed ");
- vpu_service_power_off();
+ queue_delayed_work(system_nrt_wq, &service.power_off_work, VPU_POWER_OFF_DELAY);
}
-static void vpu_service_power_maintain(void)
+static void vpu_power_off_work(struct work_struct *work)
{
- if (service.enabled) {
- mod_timer(&service.timer, jiffies + POWER_OFF_DELAY);
+ if (mutex_trylock(&service.lock)) {
+ vpu_service_power_off();
+ mutex_unlock(&service.lock);
} else {
- pr_err("error: maintain power when power is off!\n");
+ /* Come back later if the device is busy... */
+ vpu_queue_power_off_work();
}
}
static void vpu_service_power_on(void)
{
- clk_enable(clk_vpu); /* notify vpu on without lock. */
+ static ktime_t last;
+ ktime_t now = ktime_get();
+ if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
+ cancel_delayed_work_sync(&service.power_off_work);
+ vpu_queue_power_off_work();
+ last = now;
+ }
+ if (service.enabled)
+ return ;
- spin_lock_bh(&service.lock_power);
- if (!service.enabled) {
- service.enabled = true;
- printk("vpu: power on\n");
-
- clk_enable(clk_vpu);
- clk_enable(aclk_vepu);
- clk_enable(hclk_vepu);
- clk_enable(hclk_cpu_vcodec);
- udelay(10);
+ service.enabled = true;
+ printk("vpu: power on\n");
+
+ clk_enable(aclk_vepu);
+ clk_enable(hclk_vepu);
+ clk_enable(hclk_cpu_vcodec);
+ udelay(10);
#ifdef CONFIG_ARCH_RK29
- pmu_set_power_domain(PD_VCODEC, true);
+ pmu_set_power_domain(PD_VCODEC, true);
#else
- clk_enable(pd_video);
+ clk_enable(pd_video);
#endif
- udelay(10);
- clk_enable(aclk_ddr_vepu);
- mod_timer(&service.timer, jiffies + POWER_OFF_DELAY);
- spin_unlock_bh(&service.lock_power);
- } else {
- spin_unlock_bh(&service.lock_power);
- vpu_service_power_maintain();
- }
+ udelay(10);
+ clk_enable(aclk_ddr_vepu);
+ wake_lock(&service.wake_lock);
+}
- clk_disable(clk_vpu);
+static inline bool reg_check_rmvb_wmv(vpu_reg *reg)
+{
+ unsigned long type = (reg->reg[3] & 0xF0000000) >> 28;
+ return ((type == 8) || (type == 4));
+}
+
+static inline bool reg_check_interlace(vpu_reg *reg)
+{
+ unsigned long type = (reg->reg[3] & (1 << 23));
+ return (type > 0);
}
static vpu_reg *reg_init(vpu_session *session, void __user *src, unsigned long size)
{
- unsigned long flag;
vpu_reg *reg = kmalloc(sizeof(vpu_reg)+service.reg_size, GFP_KERNEL);
if (NULL == reg) {
pr_err("error: kmalloc fail in reg_init\n");
reg->session = session;
reg->type = session->type;
reg->size = size;
+ reg->freq = VPU_FREQ_DEFAULT;
reg->reg = (unsigned long *)®[1];
INIT_LIST_HEAD(®->session_link);
INIT_LIST_HEAD(®->status_link);
return NULL;
}
- spin_lock_irqsave(&service.lock, flag);
+ mutex_lock(&service.lock);
list_add_tail(®->status_link, &service.waiting);
list_add_tail(®->session_link, &session->waiting);
- spin_unlock_irqrestore(&service.lock, flag);
+ mutex_unlock(&service.lock);
+
+ if (service.auto_freq) {
+ if (reg->type == VPU_DEC || reg->type == VPU_DEC_PP) {
+ if (reg_check_rmvb_wmv(reg)) {
+ reg->freq = VPU_FREQ_266M;
+ } else {
+ if (reg_check_interlace(reg)) {
+ reg->freq = VPU_FREQ_400M;
+ }
+ }
+ }
+ if (reg->type == VPU_PP) {
+ reg->freq = VPU_FREQ_400M;
+ }
+ }
return reg;
}
wake_up_interruptible_sync(®->session->wait);
}
-void reg_copy_to_hw(vpu_reg *reg)
+static void vpu_service_set_freq(vpu_reg *reg)
+{
+ switch (reg->freq) {
+ case VPU_FREQ_200M : {
+ clk_set_rate(aclk_vepu, 200*MHZ);
+ } break;
+ case VPU_FREQ_266M : {
+ clk_set_rate(aclk_vepu, 266*MHZ);
+ } break;
+ case VPU_FREQ_300M : {
+ clk_set_rate(aclk_vepu, 300*MHZ);
+ } break;
+ case VPU_FREQ_400M : {
+ clk_set_rate(aclk_vepu, 400*MHZ);
+ } break;
+ default : {
+ clk_set_rate(aclk_vepu, 300*MHZ);
+ } break;
+ }
+}
+
+static void reg_copy_to_hw(vpu_reg *reg)
{
int i;
u32 *src = (u32 *)®->reg[0];
atomic_add(1, &service.total_running);
atomic_add(1, ®->session->task_running);
+ if (service.auto_freq) {
+ vpu_service_set_freq(reg);
+ }
switch (reg->type) {
case VPU_ENC : {
int enc_count = service.hw_info->enc_reg_num;
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];
+ printk("dec\n");
} break;
case VPU_PP : {
u32 *dst = (u32 *)dec_dev.hwregs + PP_INTERRUPT_REGISTER;
dsb();
dst[VPU_REG_EN_PP] = src[VPU_REG_EN_PP];
+ printk("pp\n");
} break;
case VPU_DEC_PP : {
u32 *dst = (u32 *)dec_dev.hwregs;
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];
+ printk("dec_pp\n");
} break;
default : {
pr_err("error: unsupport session type %d", reg->type);
static void try_set_reg(void)
{
- unsigned long flag;
// first get reg from reg list
- spin_lock_irqsave(&service.lock, flag);
if (!list_empty(&service.waiting)) {
int can_set = 0;
vpu_reg *reg = list_entry(service.waiting.next, vpu_reg, status_link);
- vpu_service_power_maintain();
+ vpu_service_power_on();
+
switch (reg->type) {
case VPU_ENC : {
if ((NULL == service.reg_codec) && (NULL == service.reg_pproc))
- can_set = 1;
+ can_set = 1;
} break;
case VPU_DEC : {
if (NULL == service.reg_codec)
can_set = 1;
+ if (service.auto_freq && (NULL != service.reg_pproc)) {
+ can_set = 0;
+ }
} break;
case VPU_PP : {
if (NULL == service.reg_codec) {
} else {
if ((VPU_DEC == service.reg_codec->type) && (NULL == service.reg_pproc))
can_set = 1;
+ // can not charge frequency when vpu is working
+ if (service.auto_freq) {
+ can_set = 0;
+ }
}
} break;
case VPU_DEC_PP : {
reg_copy_to_hw(reg);
}
}
- spin_unlock_irqrestore(&service.lock, flag);
}
static int return_reg(vpu_reg *reg, u32 __user *dst)
if (NULL == reg) {
return -EFAULT;
} else {
- vpu_service_power_on();
+ mutex_lock(&service.lock);
try_set_reg();
+ mutex_unlock(&service.lock);
}
break;
case VPU_IOC_GET_REG : {
vpu_request req;
vpu_reg *reg;
- unsigned long flag;
if (copy_from_user(&req, (void __user *)arg, sizeof(vpu_request))) {
pr_err("error: VPU_IOC_GET_REG copy_from_user failed\n");
return -EFAULT;
} else {
- int ret = wait_event_interruptible_timeout(session->wait, !list_empty(&session->done), TIMEOUT_DELAY);
+ int ret = wait_event_interruptible_timeout(session->wait, !list_empty(&session->done), VPU_TIMEOUT_DELAY);
if (!list_empty(&session->done)) {
if (ret < 0) {
pr_err("warning: pid %d wait task sucess but wait_evernt ret %d\n", session->pid, ret);
ret = -ETIMEDOUT;
}
}
- spin_lock_irqsave(&service.lock, flag);
if (ret < 0) {
int task_running = atomic_read(&session->task_running);
+ mutex_lock(&service.lock);
vpu_service_dump();
if (task_running) {
atomic_set(&session->task_running, 0);
printk("done\n");
}
vpu_service_session_clear(session);
- spin_unlock_irqrestore(&service.lock, flag);
+ mutex_unlock(&service.lock);
return ret;
}
- spin_unlock_irqrestore(&service.lock, flag);
}
- spin_lock_irqsave(&service.lock, flag);
+ mutex_lock(&service.lock);
reg = list_entry(session->done.next, vpu_reg, session_link);
return_reg(reg, (u32 __user *)req.req);
- spin_unlock_irqrestore(&service.lock, flag);
+ mutex_unlock(&service.lock);
break;
}
default : {
static int vpu_service_open(struct inode *inode, struct file *filp)
{
- unsigned long flag;
vpu_session *session = (vpu_session *)kmalloc(sizeof(vpu_session), GFP_KERNEL);
if (NULL == session) {
pr_err("error: unable to allocate memory for vpu_session.");
INIT_LIST_HEAD(&session->list_session);
init_waitqueue_head(&session->wait);
atomic_set(&session->task_running, 0);
- spin_lock_irqsave(&service.lock, flag);
+ mutex_lock(&service.lock);
list_add_tail(&session->list_session, &service.session);
filp->private_data = (void *)session;
- spin_unlock_irqrestore(&service.lock, flag);
+ mutex_unlock(&service.lock);
pr_debug("dev opened\n");
return nonseekable_open(inode, filp);
static int vpu_service_release(struct inode *inode, struct file *filp)
{
int task_running;
- unsigned long flag;
vpu_session *session = (vpu_session *)filp->private_data;
if (NULL == session)
return -EINVAL;
}
wake_up_interruptible_sync(&session->wait);
- spin_lock_irqsave(&service.lock, flag);
+ mutex_lock(&service.lock);
/* remove this filp from the asynchronusly notified filp's */
- //vpu_service_fasync(-1, filp, 0);
list_del_init(&session->list_session);
vpu_service_session_clear(session);
kfree(session);
filp->private_data = NULL;
- spin_unlock_irqrestore(&service.lock, flag);
+ mutex_unlock(&service.lock);
pr_debug("dev closed\n");
return 0;
.fops = &vpu_service_fops,
};
-static void vpu_service_shutdown(struct platform_device *pdev)
-{
- pr_cont("shutdown...");
- del_timer(&service.timer);
- vpu_service_power_off();
- pr_cont("done\n");
-}
-
-static int vpu_service_suspend(struct platform_device *pdev, pm_message_t state)
-{
- bool enabled;
- pr_info("suspend...");
- del_timer(&service.timer);
- enabled = service.enabled;
- vpu_service_power_off();
- service.enabled = enabled;
- return 0;
-}
-
-static int vpu_service_resume(struct platform_device *pdev)
-{
- pr_info("resume...");
- if (service.enabled) {
- service.enabled = false;
- vpu_service_power_on();
- try_set_reg();
- }
- return 0;
-}
-
static struct platform_device vpu_service_device = {
.name = "vpu_service",
.id = -1,
.name = "vpu_service",
.owner = THIS_MODULE,
},
- .shutdown = vpu_service_shutdown,
- .suspend = vpu_service_suspend,
- .resume = vpu_service_resume,
};
static void get_hw_info(void)
//enc->busWidth = (configReg >> 12) & 15;
enc->reg_size = service.reg_size;
enc->reserv[0] = enc->reserv[1] = 0;
+
+ service.auto_freq = soc_is_rk2928g() || soc_is_rk2928l() || soc_is_rk2926();
+ if (service.auto_freq) {
+ printk("vpu_service set to auto frequency mode\n");
+ }
}
-static irqreturn_t vdpu_isr(int irq, void *dev_id)
+static irqreturn_t vdpu_irq(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);
+ u32 irq_status = readl(dev->hwregs + DEC_INTERRUPT_REGISTER);
- pr_debug("vdpu_isr dec %x pp %x\n", irq_status_dec, irq_status_pp);
+ pr_debug("vdpu_irq\n");
- if (irq_status_dec & DEC_INTERRUPT_BIT) {
- irq_status_dec = readl(dev->hwregs + DEC_INTERRUPT_REGISTER);
- if ((irq_status_dec & 0x40001) == 0x40001)
+ if (irq_status & DEC_INTERRUPT_BIT) {
+ pr_debug("vdpu_isr dec %x\n", irq_status);
+ if ((irq_status & 0x40001) == 0x40001)
{
do {
- irq_status_dec = readl(dev->hwregs + DEC_INTERRUPT_REGISTER);
- } while ((irq_status_dec & 0x40001) == 0x40001);
+ irq_status = readl(dev->hwregs + DEC_INTERRUPT_REGISTER);
+ } while ((irq_status & 0x40001) == 0x40001);
}
/* clear dec IRQ */
- writel(irq_status_dec & (~DEC_INTERRUPT_BIT), dev->hwregs + DEC_INTERRUPT_REGISTER);
- pr_debug("DEC IRQ received!\n");
- spin_lock(&service.lock);
+ writel(irq_status & (~DEC_INTERRUPT_BIT), dev->hwregs + DEC_INTERRUPT_REGISTER);
+ atomic_add(1, &dev->irq_count_codec);
+ }
+
+ irq_status = readl(dev->hwregs + PP_INTERRUPT_REGISTER);
+ if (irq_status & PP_INTERRUPT_BIT) {
+ pr_debug("vdpu_isr pp %x\n", irq_status);
+ /* clear pp IRQ */
+ writel(irq_status & (~DEC_INTERRUPT_BIT), dev->hwregs + PP_INTERRUPT_REGISTER);
+ atomic_add(1, &dev->irq_count_pp);
+ }
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t vdpu_isr(int irq, void *dev_id)
+{
+ vpu_device *dev = (vpu_device *) dev_id;
+
+ mutex_lock(&service.lock);
+ if (atomic_read(&dev->irq_count_codec)) {
+ atomic_sub(1, &dev->irq_count_codec);
if (NULL == service.reg_codec) {
pr_err("error: dec isr with no task waiting\n");
} else {
reg_from_run_to_done(service.reg_codec);
}
- spin_unlock(&service.lock);
}
- 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");
- spin_lock(&service.lock);
+ if (atomic_read(&dev->irq_count_pp)) {
+ atomic_sub(1, &dev->irq_count_pp);
if (NULL == service.reg_pproc) {
pr_err("error: pp isr with no task waiting\n");
} else {
reg_from_run_to_done(service.reg_pproc);
}
- spin_unlock(&service.lock);
}
try_set_reg();
+ mutex_unlock(&service.lock);
return IRQ_HANDLED;
}
-static irqreturn_t vepu_isr(int irq, void *dev_id)
+static irqreturn_t vepu_irq(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");
+ pr_debug("vepu_irq irq status %x\n", irq_status);
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");
- spin_lock(&service.lock);
+ atomic_add(1, &dev->irq_count_codec);
+ }
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t vepu_isr(int irq, void *dev_id)
+{
+ struct vpu_device *dev = (struct vpu_device *) dev_id;
+
+ mutex_lock(&service.lock);
+ if (atomic_read(&dev->irq_count_codec)) {
+ atomic_sub(1, &dev->irq_count_codec);
if (NULL == service.reg_codec) {
pr_err("error: enc isr with no task waiting\n");
} else {
reg_from_run_to_done(service.reg_codec);
}
- spin_unlock(&service.lock);
}
try_set_reg();
+ mutex_unlock(&service.lock);
return IRQ_HANDLED;
}
pr_debug("baseaddr = 0x%08x vdpu irq = %d vepu irq = %d\n", VCODEC_PHYS, IRQ_VDPU, IRQ_VEPU);
+ wake_lock_init(&service.wake_lock, WAKE_LOCK_SUSPEND, "vpu");
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);
- spin_lock_init(&service.lock_power);
+ mutex_init(&service.lock);
service.reg_codec = NULL;
service.reg_pproc = NULL;
atomic_set(&service.total_running, 0);
service.enabled = false;
vpu_get_clk();
- init_timer(&service.timer);
- service.timer.expires = jiffies + POWER_OFF_DELAY;
- service.timer.function = vpu_service_power_off_work_func;
+
+ INIT_DELAYED_WORK(&service.power_off_work, vpu_power_off_work);
+
vpu_service_power_on();
ret = vpu_service_check_hw(&service, VCODEC_PHYS);
if (ret < 0) {
goto err_hw_id_check;
}
+ atomic_set(&dec_dev.irq_count_codec, 0);
+ atomic_set(&dec_dev.irq_count_pp, 0);
dec_dev.iobaseaddr = service.hw_info->hw_addr + service.hw_info->dec_offset;
dec_dev.iosize = service.hw_info->dec_io_size;
+ atomic_set(&enc_dev.irq_count_codec, 0);
+ atomic_set(&enc_dev.irq_count_pp, 0);
enc_dev.iobaseaddr = service.hw_info->hw_addr + service.hw_info->enc_offset;
enc_dev.iosize = service.hw_info->enc_io_size;;
service.reg_size = max(dec_dev.iosize, enc_dev.iosize);
}
/* get the IRQ line */
- ret = request_irq(IRQ_VDPU, vdpu_isr, IRQF_SHARED, "vdpu", (void *)&dec_dev);
+ ret = request_threaded_irq(IRQ_VDPU, vdpu_irq, vdpu_isr, IRQF_SHARED, "vdpu", (void *)&dec_dev);
if (ret) {
pr_err("error: 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);
+ ret = request_threaded_irq(IRQ_VEPU, vepu_irq, vepu_isr, IRQF_SHARED, "vepu", (void *)&enc_dev);
if (ret) {
pr_err("error: can't request vepu irq %d\n", IRQ_VEPU);
goto err_req_vepu_irq;
platform_device_register(&vpu_service_device);
platform_driver_probe(&vpu_service_driver, NULL);
get_hw_info();
- del_timer(&service.timer);
vpu_service_power_off();
pr_info("init success\n");
err_hw_id_check:
vpu_service_power_off();
vpu_put_clk();
+ wake_lock_destroy(&service.wake_lock);
pr_info("init failed\n");
return ret;
}
static void __exit vpu_service_exit(void)
{
vpu_service_proc_release();
- del_timer(&service.timer);
vpu_service_power_off();
platform_device_unregister(&vpu_service_device);
platform_driver_unregister(&vpu_service_driver);
free_irq(IRQ_VDPU, (void *)&dec_dev);
vpu_service_release_io();
vpu_put_clk();
+ wake_lock_destroy(&service.wake_lock);
}
module_init(vpu_service_init);
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;
+ mutex_lock(&service.lock);
vpu_service_power_on();
seq_printf(s, "\nENC Registers:\n");
n = enc_dev.iosize >> 2;
}
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");
seq_printf(s, "done register set\n");
}
}
- spin_unlock_irqrestore(&service.lock, flag);
+ mutex_unlock(&service.lock);
return 0;
}
projects / firefly-linux-kernel-4.4.55.git / commitdiff