int proc_set_write_reg(struct file *file, const char __user *buffer, unsigned long count, void *data) { struct net_device *dev = data; struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev); char tmp[32]; u32 addr, val, len; if (count < 3) { DBG_88E("argument size is less than 3\n"); return -EFAULT; } if (buffer && !copy_from_user(tmp, buffer, sizeof(tmp))) { int num = sscanf(tmp, "%x %x %x", &addr, &val, &len); if (num != 3) { DBG_88E("invalid write_reg parameter!\n"); return count; } switch (len) { case 1: usb_write8(padapter, addr, (u8)val); break; case 2: usb_write16(padapter, addr, (u16)val); break; case 4: usb_write32(padapter, addr, val); break; default: DBG_88E("error write length =%d", len); break; } } return count; }
/* This routine deals with the Power Configuration CMDs parsing * for RTL8723/RTL8188E Series IC. */ u8 rtl88eu_pwrseqcmdparsing(struct adapter *padapter, u8 cut_vers, struct wl_pwr_cfg pwrseqcmd[]) { struct wl_pwr_cfg pwrcfgcmd = {0}; u8 poll_bit = false; u32 aryidx = 0; u8 value = 0; u32 offset = 0; u32 poll_count = 0; /* polling autoload done. */ u32 max_poll_count = 5000; do { pwrcfgcmd = pwrseqcmd[aryidx]; RT_TRACE(_module_hal_init_c_, _drv_info_, ("rtl88eu_pwrseqcmdparsing: offset(%#x) cut_msk(%#x)" " cmd(%#x)" "msk(%#x) value(%#x)\n", GET_PWR_CFG_OFFSET(pwrcfgcmd), GET_PWR_CFG_CUT_MASK(pwrcfgcmd), GET_PWR_CFG_CMD(pwrcfgcmd), GET_PWR_CFG_MASK(pwrcfgcmd), GET_PWR_CFG_VALUE(pwrcfgcmd))); /* Only Handle the command whose CUT is matched */ if (GET_PWR_CFG_CUT_MASK(pwrcfgcmd) & cut_vers) { switch (GET_PWR_CFG_CMD(pwrcfgcmd)) { case PWR_CMD_READ: RT_TRACE(_module_hal_init_c_, _drv_info_, ("rtl88eu_pwrseqcmdparsing: PWR_CMD_READ\n")); break; case PWR_CMD_WRITE: RT_TRACE(_module_hal_init_c_, _drv_info_, ("rtl88eu_pwrseqcmdparsing: PWR_CMD_WRITE\n")); offset = GET_PWR_CFG_OFFSET(pwrcfgcmd); /* Read the value from system register */ value = usb_read8(padapter, offset); value &= ~(GET_PWR_CFG_MASK(pwrcfgcmd)); value |= (GET_PWR_CFG_VALUE(pwrcfgcmd) & GET_PWR_CFG_MASK(pwrcfgcmd)); /* Write the value back to system register */ usb_write8(padapter, offset, value); break; case PWR_CMD_POLLING: RT_TRACE(_module_hal_init_c_, _drv_info_, ("rtl88eu_pwrseqcmdparsing: PWR_CMD_POLLING\n")); poll_bit = false; offset = GET_PWR_CFG_OFFSET(pwrcfgcmd); do { value = usb_read8(padapter, offset); value &= GET_PWR_CFG_MASK(pwrcfgcmd); if (value == (GET_PWR_CFG_VALUE(pwrcfgcmd) & GET_PWR_CFG_MASK(pwrcfgcmd))) poll_bit = true; else udelay(10); if (poll_count++ > max_poll_count) { DBG_88E("Fail to polling Offset[%#x]\n", offset); return false; } } while (!poll_bit); break; case PWR_CMD_DELAY: RT_TRACE(_module_hal_init_c_, _drv_info_, ("rtl88eu_pwrseqcmdparsing: PWR_CMD_DELAY\n")); if (GET_PWR_CFG_VALUE(pwrcfgcmd) == PWRSEQ_DELAY_US) udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd)); else udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd)*1000); break; case PWR_CMD_END: /* When this command is parsed, end the process */ RT_TRACE(_module_hal_init_c_, _drv_info_, ("rtl88eu_pwrseqcmdparsing: PWR_CMD_END\n")); return true; default: RT_TRACE(_module_hal_init_c_, _drv_err_, ("rtl88eu_pwrseqcmdparsing: Unknown CMD!!\n")); break; } } aryidx++;/* Add Array Index */ } while (1); return true; }