static int PixI2c_Ioctl(struct inode *inode, struct file *fp, unsigned int cmd, unsigned long arg)
{
PPIX_IIC_DATA ptr_user_data;
unsigned int ui_data_length;
unsigned char uc_device_addr;
unsigned char uc_sub_addr;
void *ptr_data=NULL;
int i_return=0;
switch(cmd)
{
case IOCTL_PIX_I2C_INIT:
InitGPIO();
break;
case IOCTL_PIX_I2C_TERMINATE:
ReleaseGPIO();
break;
case IOCTL_PIX_I2C_READ:
ptr_user_data = (PPIX_IIC_DATA)arg;
if((i_return=get_user(uc_device_addr, &ptr_user_data->device_addr))<0)
{
goto ERROR_IOCTL;
}
if((i_return=get_user(uc_sub_addr, &ptr_user_data->sub_addr))<0)
{
goto ERROR_IOCTL;
}
if((i_return=get_user(ui_data_length, &ptr_user_data->ui_data_length))<0)
{
goto ERROR_IOCTL;
}
ptr_data = kmalloc(ui_data_length,GFP_KERNEL);
if((i_return=PixI2cRead(uc_device_addr, uc_sub_addr, ptr_data, ui_data_length))<0)
goto ERROR_IOCTL;
if((i_return=copy_to_user((void*)ptr_user_data->ptr_data, ptr_data, ui_data_length))<0)
goto ERROR_IOCTL;
break;
case IOCTL_PIX_I2C_WRITE:
ptr_user_data = (PPIX_IIC_DATA)arg;
if((i_return=get_user(uc_device_addr, &ptr_user_data->device_addr))<0)
goto ERROR_IOCTL;
if((i_return=get_user(uc_sub_addr, &ptr_user_data->sub_addr))<0)
goto ERROR_IOCTL;
if((i_return=get_user(ui_data_length, &ptr_user_data->ui_data_length))<0)
goto ERROR_IOCTL;
ptr_data = kmalloc(ui_data_length,GFP_KERNEL);
if((i_return=copy_from_user(ptr_data, (const void*)ptr_user_data->ptr_data, ui_data_length))<0)
goto ERROR_IOCTL;
if((i_return=PixI2cWrite(uc_device_addr, uc_sub_addr, ptr_data, ui_data_length))<0)
goto ERROR_IOCTL;
break;
default:
i_return=-EINVAL;
break;
}
ERROR_IOCTL:
KERNEL_FREE(ptr_data);
return i_return;
}
/*ARGSUSED*/ static void
ymhusb_close_output (int dev, int mode)
{
oss_native_word flags;
ymhusb_midic *midic;
midic = midi_devs[dev]->devc;
ymhusb_flush_output (dev);
MUTEX_ENTER_IRQDISABLE (midic->mutex, flags);
midic->open_mode = 0;
midic->midi_input_intr = NULL;
udi_usb_free_request (midic->datapipe);
udi_close_endpoint (midic->endpoint_handle);
if (midic->outbuf != NULL)
CONTIG_FREE (midic->osdev, midic->outbuf, OUTBUF_SIZE, midic->outbuf_dma_handle);
if (midic->tmpbuf != NULL)
KERNEL_FREE (midic->tmpbuf);
midiparser_unalloc (midic->parser);
midic->parser = NULL;
MUTEX_EXIT_IRQRESTORE (midic->mutex, flags);
}
