drivers/staging/r8188eu/hal/hal_com.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2011 Realtek Corporation. */

#include "../include/osdep_service.h"
#include "../include/drv_types.h"

#include "../include/hal_intf.h"
#include "../include/hal_com.h"
#include "../include/rtl8188e_hal.h"

#define _HAL_INIT_C_

#define	CHAN_PLAN_HW	0x80

u8 /* return the final channel plan decision */
hal_com_get_channel_plan(struct adapter *padapter, u8 hw_channel_plan,
			 u8 sw_channel_plan, u8 def_channel_plan,
			 bool load_fail)
{
	u8 sw_cfg;
	u8 chnlplan;

	sw_cfg = true;
	if (!load_fail) {
		if (!rtw_is_channel_plan_valid(sw_channel_plan))
			sw_cfg = false;
		if (hw_channel_plan & CHAN_PLAN_HW)
			sw_cfg = false;
	}

	if (sw_cfg)
		chnlplan = sw_channel_plan;
	else
		chnlplan = hw_channel_plan & (~CHAN_PLAN_HW);

	if (!rtw_is_channel_plan_valid(chnlplan))
		chnlplan = def_channel_plan;

	return chnlplan;
}

u8 MRateToHwRate(u8 rate)
{
	u8 ret = DESC_RATE1M;

	switch (rate) {
		/*  CCK and OFDM non-HT rates */
	case IEEE80211_CCK_RATE_1MB:
		ret = DESC_RATE1M;
		break;
	case IEEE80211_CCK_RATE_2MB:
		ret = DESC_RATE2M;
		break;
	case IEEE80211_CCK_RATE_5MB:
		ret = DESC_RATE5_5M;
		break;
	case IEEE80211_CCK_RATE_11MB:
		ret = DESC_RATE11M;
		break;
	case IEEE80211_OFDM_RATE_6MB:
		ret = DESC_RATE6M;
		break;
	case IEEE80211_OFDM_RATE_9MB:
		ret = DESC_RATE9M;
		break;
	case IEEE80211_OFDM_RATE_12MB:
		ret = DESC_RATE12M;
		break;
	case IEEE80211_OFDM_RATE_18MB:
		ret = DESC_RATE18M;
		break;
	case IEEE80211_OFDM_RATE_24MB:
		ret = DESC_RATE24M;
		break;
	case IEEE80211_OFDM_RATE_36MB:
		ret = DESC_RATE36M;
		break;
	case IEEE80211_OFDM_RATE_48MB:
		ret = DESC_RATE48M;
		break;
	case IEEE80211_OFDM_RATE_54MB:
		ret = DESC_RATE54M;
		break;
	default:
		break;
	}
	return ret;
}

void HalSetBrateCfg(struct adapter *adapt, u8 *brates, u16 *rate_cfg)
{
	u8 i, is_brate, brate;

	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
		is_brate = brates[i] & IEEE80211_BASIC_RATE_MASK;
		brate = brates[i] & 0x7f;

		if (is_brate) {
			switch (brate) {
			case IEEE80211_CCK_RATE_1MB:
				*rate_cfg |= RATE_1M;
				break;
			case IEEE80211_CCK_RATE_2MB:
				*rate_cfg |= RATE_2M;
				break;
			case IEEE80211_CCK_RATE_5MB:
				*rate_cfg |= RATE_5_5M;
				break;
			case IEEE80211_CCK_RATE_11MB:
				*rate_cfg |= RATE_11M;
				break;
			case IEEE80211_OFDM_RATE_6MB:
				*rate_cfg |= RATE_6M;
				break;
			case IEEE80211_OFDM_RATE_9MB:
				*rate_cfg |= RATE_9M;
				break;
			case IEEE80211_OFDM_RATE_12MB:
				*rate_cfg |= RATE_12M;
				break;
			case IEEE80211_OFDM_RATE_18MB:
				*rate_cfg |= RATE_18M;
				break;
			case IEEE80211_OFDM_RATE_24MB:
				*rate_cfg |= RATE_24M;
				break;
			case IEEE80211_OFDM_RATE_36MB:
				*rate_cfg |= RATE_36M;
				break;
			case IEEE80211_OFDM_RATE_48MB:
				*rate_cfg |= RATE_48M;
				break;
			case IEEE80211_OFDM_RATE_54MB:
				*rate_cfg |= RATE_54M;
				break;
			}
		}
	}
}