rtw88: 8821c: add basic functions

RTL8821CE chipsets are 802.11ac dual-band WiFi + BT combo chips.
This patch adds the basic functions such as parameter tables, chip
information, power on flow.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200616091625.26489-2-yhchuang@realtek.com

1 files changed, 651 insertions, 0 deletions

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
new file mode 100644
index 000000000000..9989eab95256
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -0,0 +1,651 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019  Realtek Corporation
+ */
+
+#include "main.h"
+#include "coex.h"
+#include "fw.h"
+#include "tx.h"
+#include "rx.h"
+#include "phy.h"
+#include "rtw8821c.h"
+#include "rtw8821c_table.h"
+#include "mac.h"
+#include "reg.h"
+#include "debug.h"
+#include "bf.h"
+
+static void rtw8821ce_efuse_parsing(struct rtw_efuse *efuse,
+				    struct rtw8821c_efuse *map)
+{
+	ether_addr_copy(efuse->addr, map->e.mac_addr);
+}
+
+static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
+{
+	struct rtw_efuse *efuse = &rtwdev->efuse;
+	struct rtw8821c_efuse *map;
+	int i;
+
+	map = (struct rtw8821c_efuse *)log_map;
+
+	efuse->rfe_option = map->rfe_option;
+	efuse->rf_board_option = map->rf_board_option;
+	efuse->crystal_cap = map->xtal_k;
+	efuse->pa_type_2g = map->pa_type;
+	efuse->pa_type_5g = map->pa_type;
+	efuse->lna_type_2g = map->lna_type_2g[0];
+	efuse->lna_type_5g = map->lna_type_5g[0];
+	efuse->channel_plan = map->channel_plan;
+	efuse->country_code[0] = map->country_code[0];
+	efuse->country_code[1] = map->country_code[1];
+	efuse->bt_setting = map->rf_bt_setting;
+	efuse->regd = map->rf_board_option & 0x7;
+	efuse->thermal_meter[0] = map->thermal_meter;
+	efuse->thermal_meter_k = map->thermal_meter;
+	efuse->tx_bb_swing_setting_2g = map->tx_bb_swing_setting_2g;
+	efuse->tx_bb_swing_setting_5g = map->tx_bb_swing_setting_5g;
+
+	for (i = 0; i < 4; i++)
+		efuse->txpwr_idx_table[i] = map->txpwr_idx_table[i];
+
+	switch (rtw_hci_type(rtwdev)) {
+	case RTW_HCI_TYPE_PCIE:
+		rtw8821ce_efuse_parsing(efuse, map);
+		break;
+	default:
+		/* unsupported now */
+		return -ENOTSUPP;
+	}
+
+	return 0;
+}
+
+static void rtw8821c_phy_set_param(struct rtw_dev *rtwdev)
+{
+	u8 crystal_cap, val;
+
+	/* power on BB/RF domain */
+	val = rtw_read8(rtwdev, REG_SYS_FUNC_EN);
+	val |= BIT_FEN_PCIEA;
+	rtw_write8(rtwdev, REG_SYS_FUNC_EN, val);
+
+	/* toggle BB reset */
+	val |= BIT_FEN_BB_RSTB | BIT_FEN_BB_GLB_RST;
+	rtw_write8(rtwdev, REG_SYS_FUNC_EN, val);
+	val &= ~(BIT_FEN_BB_RSTB | BIT_FEN_BB_GLB_RST);
+	rtw_write8(rtwdev, REG_SYS_FUNC_EN, val);
+	val |= BIT_FEN_BB_RSTB | BIT_FEN_BB_GLB_RST;
+	rtw_write8(rtwdev, REG_SYS_FUNC_EN, val);
+
+	rtw_write8(rtwdev, REG_RF_CTRL,
+		   BIT_RF_EN | BIT_RF_RSTB | BIT_RF_SDM_RSTB);
+	usleep_range(10, 11);
+	rtw_write8(rtwdev, REG_WLRF1 + 3,
+		   BIT_RF_EN | BIT_RF_RSTB | BIT_RF_SDM_RSTB);
+	usleep_range(10, 11);
+
+	/* pre init before header files config */
+	rtw_write32_clr(rtwdev, REG_RXPSEL, BIT_RX_PSEL_RST);
+
+	rtw_phy_load_tables(rtwdev);
+
+	crystal_cap = rtwdev->efuse.crystal_cap & 0x3F;
+	rtw_write32_mask(rtwdev, REG_AFE_XTAL_CTRL, 0x7e000000, crystal_cap);
+	rtw_write32_mask(rtwdev, REG_AFE_PLL_CTRL, 0x7e, crystal_cap);
+	rtw_write32_mask(rtwdev, REG_CCK0_FAREPORT, BIT(18) | BIT(22), 0);
+
+	/* post init after header files config */
+	rtw_write32_set(rtwdev, REG_RXPSEL, BIT_RX_PSEL_RST);
+
+	rtw_phy_init(rtwdev);
+}
+
+static int rtw8821c_mac_init(struct rtw_dev *rtwdev)
+{
+	u32 value32;
+	u16 pre_txcnt;
+
+	/* protocol configuration */
+	rtw_write8(rtwdev, REG_AMPDU_MAX_TIME_V1, WLAN_AMPDU_MAX_TIME);
+	rtw_write8_set(rtwdev, REG_TX_HANG_CTRL, BIT_EN_EOF_V1);
+	pre_txcnt = WLAN_PRE_TXCNT_TIME_TH | BIT_EN_PRECNT;
+	rtw_write8(rtwdev, REG_PRECNT_CTRL, (u8)(pre_txcnt & 0xFF));
+	rtw_write8(rtwdev, REG_PRECNT_CTRL + 1, (u8)(pre_txcnt >> 8));
+	value32 = WLAN_RTS_LEN_TH | (WLAN_RTS_TX_TIME_TH << 8) |
+		  (WLAN_MAX_AGG_PKT_LIMIT << 16) |
+		  (WLAN_RTS_MAX_AGG_PKT_LIMIT << 24);
+	rtw_write32(rtwdev, REG_PROT_MODE_CTRL, value32);
+	rtw_write16(rtwdev, REG_BAR_MODE_CTRL + 2,
+		    WLAN_BAR_RETRY_LIMIT | WLAN_RA_TRY_RATE_AGG_LIMIT << 8);
+	rtw_write8(rtwdev, REG_FAST_EDCA_VOVI_SETTING, FAST_EDCA_VO_TH);
+	rtw_write8(rtwdev, REG_FAST_EDCA_VOVI_SETTING + 2, FAST_EDCA_VI_TH);
+	rtw_write8(rtwdev, REG_FAST_EDCA_BEBK_SETTING, FAST_EDCA_BE_TH);
+	rtw_write8(rtwdev, REG_FAST_EDCA_BEBK_SETTING + 2, FAST_EDCA_BK_TH);
+	rtw_write8_set(rtwdev, REG_INIRTS_RATE_SEL, BIT(5));
+
+	/* EDCA configuration */
+	rtw_write8_clr(rtwdev, REG_TIMER0_SRC_SEL, BIT_TSFT_SEL_TIMER0);
+	rtw_write16(rtwdev, REG_TXPAUSE, 0);
+	rtw_write8(rtwdev, REG_SLOT, WLAN_SLOT_TIME);
+	rtw_write8(rtwdev, REG_PIFS, WLAN_PIFS_TIME);
+	rtw_write32(rtwdev, REG_SIFS, WLAN_SIFS_CFG);
+	rtw_write16(rtwdev, REG_EDCA_VO_PARAM + 2, WLAN_VO_TXOP_LIMIT);
+	rtw_write16(rtwdev, REG_EDCA_VI_PARAM + 2, WLAN_VI_TXOP_LIMIT);
+	rtw_write32(rtwdev, REG_RD_NAV_NXT, WLAN_NAV_CFG);
+	rtw_write16(rtwdev, REG_RXTSF_OFFSET_CCK, WLAN_RX_TSF_CFG);
+
+	/* Set beacon cotnrol - enable TSF and other related functions */
+	rtw_write8_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION);
+
+	/* Set send beacon related registers */
+	rtw_write32(rtwdev, REG_TBTT_PROHIBIT, WLAN_TBTT_TIME);
+	rtw_write8(rtwdev, REG_DRVERLYINT, WLAN_DRV_EARLY_INT);
+	rtw_write8(rtwdev, REG_BCNDMATIM, WLAN_BCN_DMA_TIME);
+	rtw_write8_clr(rtwdev, REG_TX_PTCL_CTRL + 1, BIT_SIFS_BK_EN >> 8);
+
+	/* WMAC configuration */
+	rtw_write32(rtwdev, REG_RXFLTMAP0, WLAN_RX_FILTER0);
+	rtw_write16(rtwdev, REG_RXFLTMAP2, WLAN_RX_FILTER2);
+	rtw_write32(rtwdev, REG_RCR, WLAN_RCR_CFG);
+	rtw_write8(rtwdev, REG_RX_PKT_LIMIT, WLAN_RXPKT_MAX_SZ_512);
+	rtw_write8(rtwdev, REG_TCR + 2, WLAN_TX_FUNC_CFG2);
+	rtw_write8(rtwdev, REG_TCR + 1, WLAN_TX_FUNC_CFG1);
+	rtw_write8(rtwdev, REG_ACKTO_CCK, 0x40);
+	rtw_write8_set(rtwdev, REG_WMAC_TRXPTCL_CTL_H, BIT(1));
+	rtw_write8_set(rtwdev, REG_SND_PTCL_CTRL, BIT(6));
+	rtw_write32(rtwdev, REG_WMAC_OPTION_FUNCTION + 8, WLAN_MAC_OPT_FUNC2);
+	rtw_write8(rtwdev, REG_WMAC_OPTION_FUNCTION + 4, WLAN_MAC_OPT_NORM_FUNC1);
+
+	return 0;
+}
+
+static void rtw8821c_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
+{
+	u8 ldo_pwr;
+
+	ldo_pwr = rtw_read8(rtwdev, REG_LDO_EFUSE_CTRL + 3);
+	ldo_pwr = enable ? ldo_pwr | BIT(7) : ldo_pwr & ~BIT(7);
+	rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr);
+}
+
+static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8821c[] = {
+	{0x0086,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_WRITE, BIT(0), 0},
+	{0x0086,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_POLLING, BIT(1), BIT(1)},
+	{0x004A,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), 0},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(3) | BIT(4) | BIT(7), 0},
+	{0x0300,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0},
+	{0x0301,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0},
+	{0xFFFF,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 0,
+	 RTW_PWR_CMD_END, 0, 0},
+};
+
+static struct rtw_pwr_seq_cmd trans_cardemu_to_act_8821c[] = {
+	{0x0020,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+	{0x0001,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_DELAY, 1, RTW_PWR_DELAY_MS},
+	{0x0000,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(5), 0},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, (BIT(4) | BIT(3) | BIT(2)), 0},
+	{0x0075,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+	{0x0006,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_POLLING, BIT(1), BIT(1)},
+	{0x0075,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), 0},
+	{0x0006,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(7), 0},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, (BIT(4) | BIT(3)), 0},
+	{0x10C3,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_POLLING, BIT(0), 0},
+	{0x0020,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(3), BIT(3)},
+	{0x0074,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(5), BIT(5)},
+	{0x0022,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(1), 0},
+	{0x0062,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, (BIT(7) | BIT(6) | BIT(5)),
+	 (BIT(7) | BIT(6) | BIT(5))},
+	{0x0061,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, (BIT(7) | BIT(6) | BIT(5)), 0},
+	{0x007C,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(1), 0},
+	{0xFFFF,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 0,
+	 RTW_PWR_CMD_END, 0, 0},
+};
+
+static struct rtw_pwr_seq_cmd trans_act_to_cardemu_8821c[] = {
+	{0x0093,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(3), 0},
+	{0x001F,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0},
+	{0x0049,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(1), 0},
+	{0x0006,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+	{0x0002,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(1), 0},
+	{0x10C3,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), 0},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(1), BIT(1)},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_POLLING, BIT(1), 0},
+	{0x0020,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(3), 0},
+	{0x0000,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(5), BIT(5)},
+	{0xFFFF,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 0,
+	 RTW_PWR_CMD_END, 0, 0},
+};
+
+static struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8821c[] = {
+	{0x0007,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0x20},
+	{0x0067,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(5), 0},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(2), BIT(2)},
+	{0x004A,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), 0},
+	{0x0067,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(5), 0},
+	{0x0067,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(4), 0},
+	{0x004F,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(0), 0},
+	{0x0067,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(1), 0},
+	{0x0046,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(6), BIT(6)},
+	{0x0067,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(2), 0},
+	{0x0046,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(7), BIT(7)},
+	{0x0062,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(4), BIT(4)},
+	{0x0081,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(7) | BIT(6), 0},
+	{0x0005,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(3) | BIT(4), BIT(3)},
+	{0x0086,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+	{0x0086,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_POLLING, BIT(1), 0},
+	{0x0090,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_PCI_MSK,
+	 RTW_PWR_ADDR_MAC,
+	 RTW_PWR_CMD_WRITE, BIT(1), 0},
+	{0x0044,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0},
+	{0x0040,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0x90},
+	{0x0041,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0x00},
+	{0x0042,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_SDIO_MSK,
+	 RTW_PWR_ADDR_SDIO,
+	 RTW_PWR_CMD_WRITE, 0xFF, 0x04},
+	{0xFFFF,
+	 RTW_PWR_CUT_ALL_MSK,
+	 RTW_PWR_INTF_ALL_MSK,
+	 0,
+	 RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd *card_enable_flow_8821c[] = {
+	trans_carddis_to_cardemu_8821c,
+	trans_cardemu_to_act_8821c,
+	NULL
+};
+
+static const struct rtw_pwr_seq_cmd *card_disable_flow_8821c[] = {
+	trans_act_to_cardemu_8821c,
+	trans_cardemu_to_carddis_8821c,
+	NULL
+};
+
+static const struct rtw_intf_phy_para usb2_param_8821c[] = {
+	{0xFFFF, 0x00,
+	 RTW_IP_SEL_PHY,
+	 RTW_INTF_PHY_CUT_ALL,
+	 RTW_INTF_PHY_PLATFORM_ALL},
+};
+
+static const struct rtw_intf_phy_para usb3_param_8821c[] = {
+	{0xFFFF, 0x0000,
+	 RTW_IP_SEL_PHY,
+	 RTW_INTF_PHY_CUT_ALL,
+	 RTW_INTF_PHY_PLATFORM_ALL},
+};
+
+static const struct rtw_intf_phy_para pcie_gen1_param_8821c[] = {
+	{0x0009, 0x6380,
+	 RTW_IP_SEL_PHY,
+	 RTW_INTF_PHY_CUT_ALL,
+	 RTW_INTF_PHY_PLATFORM_ALL},
+	{0xFFFF, 0x0000,
+	 RTW_IP_SEL_PHY,
+	 RTW_INTF_PHY_CUT_ALL,
+	 RTW_INTF_PHY_PLATFORM_ALL},
+};
+
+static const struct rtw_intf_phy_para pcie_gen2_param_8821c[] = {
+	{0xFFFF, 0x0000,
+	 RTW_IP_SEL_PHY,
+	 RTW_INTF_PHY_CUT_ALL,
+	 RTW_INTF_PHY_PLATFORM_ALL},
+};
+
+static const struct rtw_intf_phy_para_table phy_para_table_8821c = {
+	.usb2_para	= usb2_param_8821c,
+	.usb3_para	= usb3_param_8821c,
+	.gen1_para	= pcie_gen1_param_8821c,
+	.gen2_para	= pcie_gen2_param_8821c,
+	.n_usb2_para	= ARRAY_SIZE(usb2_param_8821c),
+	.n_usb3_para	= ARRAY_SIZE(usb2_param_8821c),
+	.n_gen1_para	= ARRAY_SIZE(pcie_gen1_param_8821c),
+	.n_gen2_para	= ARRAY_SIZE(pcie_gen2_param_8821c),
+};
+
+static const struct rtw_rfe_def rtw8821c_rfe_defs[] = {
+	[0] = RTW_DEF_RFE(8821c, 0, 0),
+};
+
+static const struct rtw_ltecoex_addr rtw8821c_ltecoex_addr = {
+	.ctrl = LTECOEX_ACCESS_CTRL,
+	.wdata = LTECOEX_WRITE_DATA,
+	.rdata = LTECOEX_READ_DATA,
+};
+
+static struct rtw_page_table page_table_8821c[] = {
+	/* not sure what [0] stands for */
+	{16, 16, 16, 14, 1},
+	{16, 16, 16, 14, 1},
+	{16, 16, 0, 0, 1},
+	{16, 16, 16, 0, 1},
+	{16, 16, 16, 14, 1},
+};
+
+static struct rtw_rqpn rqpn_table_8821c[] = {
+	/* not sure what [0] stands for */
+	{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+	 RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+	 RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
+	{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+	 RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+	 RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
+	{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+	 RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_HIGH,
+	 RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_HIGH},
+	{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+	 RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+	 RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_HIGH},
+	{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+	 RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+	 RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
+};
+
+static struct rtw_prioq_addrs prioq_addrs_8821c = {
+	.prio[RTW_DMA_MAPPING_EXTRA] = {
+		.rsvd = REG_FIFOPAGE_INFO_4, .avail = REG_FIFOPAGE_INFO_4 + 2,
+	},
+	.prio[RTW_DMA_MAPPING_LOW] = {
+		.rsvd = REG_FIFOPAGE_INFO_2, .avail = REG_FIFOPAGE_INFO_2 + 2,
+	},
+	.prio[RTW_DMA_MAPPING_NORMAL] = {
+		.rsvd = REG_FIFOPAGE_INFO_3, .avail = REG_FIFOPAGE_INFO_3 + 2,
+	},
+	.prio[RTW_DMA_MAPPING_HIGH] = {
+		.rsvd = REG_FIFOPAGE_INFO_1, .avail = REG_FIFOPAGE_INFO_1 + 2,
+	},
+	.wsize = true,
+};
+
+static struct rtw_chip_ops rtw8821c_ops = {
+	.phy_set_param		= rtw8821c_phy_set_param,
+	.read_efuse		= rtw8821c_read_efuse,
+	.mac_init		= rtw8821c_mac_init,
+	.read_rf		= rtw_phy_read_rf,
+	.write_rf		= rtw_phy_write_rf_reg_sipi,
+	.set_antenna		= NULL,
+	.cfg_ldo25		= rtw8821c_cfg_ldo25,
+};
+
+struct rtw_chip_info rtw8821c_hw_spec = {
+	.ops = &rtw8821c_ops,
+	.id = RTW_CHIP_TYPE_8821C,
+	.fw_name = "rtw88/rtw8821c_fw.bin",
+	.wlan_cpu = RTW_WCPU_11AC,
+	.tx_pkt_desc_sz = 48,
+	.tx_buf_desc_sz = 16,
+	.rx_pkt_desc_sz = 24,
+	.rx_buf_desc_sz = 8,
+	.phy_efuse_size = 512,
+	.log_efuse_size = 512,
+	.ptct_efuse_size = 96,
+	.txff_size = 65536,
+	.rxff_size = 16384,
+	.txgi_factor = 1,
+	.is_pwr_by_rate_dec = true,
+	.max_power_index = 0x3f,
+	.csi_buf_pg_num = 0,
+	.band = RTW_BAND_2G | RTW_BAND_5G,
+	.page_size = 128,
+	.ht_supported = true,
+	.vht_supported = true,
+	.lps_deep_mode_supported = BIT(LPS_DEEP_MODE_LCLK),
+	.sys_func_en = 0xD8,
+	.pwr_on_seq = card_enable_flow_8821c,
+	.pwr_off_seq = card_disable_flow_8821c,
+	.page_table = page_table_8821c,
+	.rqpn_table = rqpn_table_8821c,
+	.prioq_addrs = &prioq_addrs_8821c,
+	.intf_table = &phy_para_table_8821c,
+	.rf_base_addr = {0x2800, 0x2c00},
+	.rf_sipi_addr = {0xc90, 0xe90},
+	.ltecoex_addr = &rtw8821c_ltecoex_addr,
+	.mac_tbl = &rtw8821c_mac_tbl,
+	.agc_tbl = &rtw8821c_agc_tbl,
+	.bb_tbl = &rtw8821c_bb_tbl,
+	.rf_tbl = {&rtw8821c_rf_a_tbl},
+	.rfe_defs = rtw8821c_rfe_defs,
+	.rfe_defs_size = ARRAY_SIZE(rtw8821c_rfe_defs),
+	.rx_ldpc = false,
+};
+EXPORT_SYMBOL(rtw8821c_hw_spec);
+
+MODULE_FIRMWARE("rtw88/rtw8821c_fw.bin");
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8821c driver");
+MODULE_LICENSE("Dual BSD/GPL");