static GstStateChangeReturn
change_state(GstElement *element,
GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstDspDummy *self;
self = GST_DSP_DUMMY(element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!dsp_init(self)) {
GST_ERROR("dsp init failed");
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!dsp_start(self)) {
GST_ERROR("dsp start failed");
return GST_STATE_CHANGE_FAILURE;
}
break;
default:
break;
}
ret = parent_class->change_state(element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (!dsp_stop(self)) {
GST_ERROR("dsp stop failed");
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
if (!dsp_deinit(self)) {
GST_ERROR("dsp deinit failed");
return GST_STATE_CHANGE_FAILURE;
}
break;
default:
break;
}
return ret;
}
static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
{
dev_t devno;
bool ret;
int status = 0;
bhandle hdrv_obj = NULL;
status = cfg_get_object((u32 *) &hdrv_obj, REG_DRV_OBJECT);
if (DSP_FAILED(status))
goto func_cont;
#ifdef CONFIG_BRIDGE_DVFS
if (cpufreq_unregister_notifier(&iva_clk_notifier,
CPUFREQ_TRANSITION_NOTIFIER))
pr_err("%s: clk_notifier_unregister failed for iva2_ck\n",
__func__);
#endif /* #ifdef CONFIG_BRIDGE_DVFS */
if (driver_context) {
/* Put the DSP in reset state */
ret = dsp_deinit(driver_context);
driver_context = 0;
DBC_ASSERT(ret == true);
}
#ifdef CONFIG_BRIDGE_DVFS
clk_put(clk_handle);
clk_handle = NULL;
#endif /* #ifdef CONFIG_BRIDGE_DVFS */
func_cont:
mem_ext_phys_pool_release();
services_exit();
bridge_destroy_sysfs();
devno = MKDEV(driver_major, 0);
cdev_del(&bridge_cdev);
unregister_chrdev_region(devno, 1);
if (bridge_class) {
/* remove the device from sysfs */
device_destroy(bridge_class, MKDEV(driver_major, 0));
class_destroy(bridge_class);
}
return 0;
}
static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
{
dev_t devno;
int status = 0;
struct drv_data *drv_datap = dev_get_drvdata(bridge);
if (!drv_datap || !drv_datap->drv_object) {
status = -ENODATA;
pr_err("%s: Failed to retrieve the object handle\n", __func__);
goto func_cont;
}
#ifdef CONFIG_TIDSPBRIDGE_DVFS
if (cpufreq_unregister_notifier(&iva_clk_notifier,
CPUFREQ_TRANSITION_NOTIFIER))
pr_err("%s: cpufreq_unregister_notifier failed for iva2_ck\n",
__func__);
#endif
if (driver_context) {
dsp_deinit(driver_context);
driver_context = 0;
}
kfree(drv_datap);
dev_set_drvdata(bridge, NULL);
func_cont:
mem_ext_phys_pool_release();
dsp_clk_exit();
devno = MKDEV(driver_major, 0);
cdev_del(&bridge_cdev);
unregister_chrdev_region(devno, 1);
if (bridge_class) {
device_destroy(bridge_class, MKDEV(driver_major, 0));
class_destroy(bridge_class);
}
return 0;
}