/* Caller must hold the device mutex. */
int kgsl_pwrctrl_wake(struct kgsl_device *device)
{
int status = KGSL_SUCCESS;
struct kgsl_pwrctrl *pwr = &device->pwrctrl;
BUG_ON(!mutex_is_locked(&device->mutex));
if (device->state == KGSL_STATE_SUSPEND)
return status;
KGSL_DRV_INFO("GRP_CLK= %lu BUS CLK= %lu\n",
kgsl_get_clkrate(pwr->grp_clk), kgsl_get_clkrate(pwr->ebi1_clk));
/* Turn on the core clocks */
status = kgsl_pwrctrl_clk(device, KGSL_PWRFLAGS_CLK_ON);
if (device->state != KGSL_STATE_NAP) {
kgsl_pwrctrl_axi(device, KGSL_PWRFLAGS_AXI_ON);
}
/* Enable state before turning on irq */
device->state = KGSL_STATE_ACTIVE;
KGSL_DRV_WARN("state -> ACTIVE, device %d\n", device->id);
kgsl_pwrctrl_irq(device, KGSL_PWRFLAGS_IRQ_ON);
/* Re-enable HW access */
mod_timer(&device->idle_timer, jiffies + FIRST_TIMEOUT);
KGSL_DRV_VDBG("<-- kgsl_yamato_wake(). Return value %d\n", status);
wake_lock(&device->idle_wakelock);
return status;
}
irqreturn_t kgsl_g12_isr(int irq, void *data)
{
irqreturn_t result = IRQ_NONE;
struct kgsl_device *device = &kgsl_driver.g12_device;
unsigned int status;
kgsl_g12_regread(device, ADDR_VGC_IRQSTATUS >> 2, &status);
if (status & GSL_VGC_INT_MASK) {
kgsl_g12_regwrite(device,
ADDR_VGC_IRQSTATUS >> 2, status & GSL_VGC_INT_MASK);
result = IRQ_HANDLED;
if (status & REG_VGC_IRQSTATUS__FIFO_MASK)
KGSL_DRV_ERR("g12 fifo interrupt\n");
else if (status & REG_VGC_IRQSTATUS__MH_MASK)
KGSL_DRV_ERR("g12 mh interrupt\n");
else if (status & REG_VGC_IRQSTATUS__G2D_MASK) {
KGSL_DRV_VDBG("g12 g2d interrupt\n");
queue_work(device->irq_wq, &(device->irq_work));
}
else
KGSL_DRV_ERR(
"bad bits in ADDR_VGC_IRQ_STATUS %08x\n",
status);
}
irqreturn_t kgsl_g12_isr(int irq, void *data)
{
irqreturn_t result = IRQ_NONE;
struct kgsl_device *device = &kgsl_driver.g12_device;
unsigned int status;
kgsl_g12_regread(device, ADDR_VGC_IRQSTATUS >> 2, &status);
if (status & GSL_VGC_INT_MASK) {
kgsl_g12_regwrite(device,
ADDR_VGC_IRQSTATUS >> 2, status & GSL_VGC_INT_MASK);
result = IRQ_HANDLED;
if (status & REG_VGC_IRQSTATUS__FIFO_MASK)
KGSL_DRV_ERR("g12 fifo interrupt\n");
if (status & REG_VGC_IRQSTATUS__MH_MASK)
kgsl_mh_intrcallback(device);
if (status & REG_VGC_IRQSTATUS__G2D_MASK) {
int count;
KGSL_DRV_VDBG("g12 g2d interrupt\n");
kgsl_g12_regread(device,
ADDR_VGC_IRQ_ACTIVE_CNT >> 2,
&count);
count >>= 8;
count &= 255;
device->timestamp += count;
wake_up_interruptible(&(device->wait_timestamp_wq));
}
irqreturn_t kgsl_g12_isr(int irq, void *data)
{
irqreturn_t result = IRQ_NONE;
unsigned int status;
struct kgsl_device *device;
struct kgsl_g12_device *g12_device;
device = (struct kgsl_device *) data;
g12_device = (struct kgsl_g12_device *) device;
kgsl_g12_regread(device, ADDR_VGC_IRQSTATUS >> 2, &status);
if (status & GSL_VGC_INT_MASK) {
kgsl_g12_regwrite(device,
ADDR_VGC_IRQSTATUS >> 2, status & GSL_VGC_INT_MASK);
result = IRQ_HANDLED;
if (status & REG_VGC_IRQSTATUS__FIFO_MASK)
KGSL_DRV_ERR("g12 fifo interrupt\n");
if (status & REG_VGC_IRQSTATUS__MH_MASK)
kgsl_mh_intrcallback(device);
if (status & REG_VGC_IRQSTATUS__G2D_MASK) {
int count;
KGSL_DRV_VDBG("g12 g2d interrupt\n");
kgsl_g12_regread(device,
ADDR_VGC_IRQ_ACTIVE_CNT >> 2,
&count);
count >>= 8;
count &= 255;
g12_device->timestamp += count;
wake_up_interruptible(&(g12_device->wait_timestamp_wq));
atomic_notifier_call_chain(
&(device->ts_notifier_list),
KGSL_DEVICE_G12, NULL);
}
