INT32 hif_sdio_create_dev_node(void)
{
INT32 iResult = -1;
HIF_SDIO_DBG_FUNC("++");
iResult = register_chrdev(hifSdioMajor, kObjName, &hifDevOps);
if (0 > iResult) {
HIF_SDIO_ERR_FUNC("register_chrdev failed.\n");
iResult = -1;
} else {
hifSdioMajor = hifSdioMajor == 0 ? iResult : hifSdioMajor;
HIF_SDIO_INFO_FUNC("register_chrdev succeed, mtk_jajor = %d\n",
hifSdioMajor);
pHifClass = class_create(THIS_MODULE, HifClassName);
if (IS_ERR(pHifClass)) {
HIF_SDIO_ERR_FUNC("class_create error\n");
iResult = -2;
} else {
pHifDev =
device_create(pHifClass, NULL,
MKDEV(hifSdioMajor,
0), NULL,
HifClassName, "%d", 0);
if (IS_ERR(pHifDev)) {
HIF_SDIO_ERR_FUNC("device_create error:%ld\n",
PTR_ERR(pHifDev));
iResult = -3;
} else {
HIF_SDIO_INFO_FUNC("device_create succeed\n");
iResult = 0;
}
}
}
return iResult;
}
static long hif_sdio_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int retval = 0;
HIF_SDIO_DBG_FUNC("cmd (%d)\n", cmd);
switch (cmd) {
case COMBO_IOCTL_GET_CHIP_ID:
gComboChipId = 0x6628;
retval = gComboChipId;
HIF_SDIO_INFO_FUNC("get combo chip id: 0x%x\n", gComboChipId);
break;
case COMBO_IOCTL_SET_CHIP_ID:
gComboChipId = arg;
HIF_SDIO_INFO_FUNC("set combo chip id to 0x%x\n", gComboChipId);
break;
default:
HIF_SDIO_WARN_FUNC("unknown cmd (%d)\n", cmd);
retval = 0;
break;
}
return retval;
}
