1 files changed, 323 insertions, 0 deletions
diff --git a/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_8822b/halmac_api_8822b_pcie.c b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_8822b/halmac_api_8822b_pcie.c
new file mode 100644
index 000000000000..e25e2b0ebb4c
--- /dev/null
+++ b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_8822b/halmac_api_8822b_pcie.c
@@ -0,0 +1,323 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2016  Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+#include "../halmac_88xx_cfg.h"
+#include "../halmac_api_88xx_pcie.h"
+#include "halmac_8822b_cfg.h"
+
+/**
+ * halmac_mac_power_switch_8822b_pcie() - switch mac power
+ * @halmac_adapter : the adapter of halmac
+ * @halmac_power : power state
+ * Author : KaiYuan Chang
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status
+halmac_mac_power_switch_8822b_pcie(struct halmac_adapter *halmac_adapter,
+				   enum halmac_mac_power halmac_power)
+{
+	u8 interface_mask;
+	u8 value8;
+	void *driver_adapter = NULL;
+	struct halmac_api *halmac_api;
+
+	if (halmac_adapter_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_ADAPTER_INVALID;
+
+	if (halmac_api_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_API_INVALID;
+
+	halmac_api_record_id_88xx(halmac_adapter, HALMAC_API_MAC_POWER_SWITCH);
+
+	driver_adapter = halmac_adapter->driver_adapter;
+	halmac_api = (struct halmac_api *)halmac_adapter->halmac_api;
+
+	HALMAC_RT_TRACE(
+		driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+		"halmac_mac_power_switch_88xx_pcie halmac_power =  %x ==========>\n",
+		halmac_power);
+	interface_mask = HALMAC_PWR_INTF_PCI_MSK;
+
+	value8 = HALMAC_REG_READ_8(halmac_adapter, REG_CR);
+	if (value8 == 0xEA)
+		halmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_OFF;
+	else
+		halmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_ON;
+
+	/* Check if power switch is needed */
+	if (halmac_power == HALMAC_MAC_POWER_ON &&
+	    halmac_adapter->halmac_state.mac_power == HALMAC_MAC_POWER_ON) {
+		HALMAC_RT_TRACE(
+			driver_adapter, HALMAC_MSG_PWR, DBG_WARNING,
+			"halmac_mac_power_switch power state unchange!\n");
+		return HALMAC_RET_PWR_UNCHANGE;
+	}
+
+	if (halmac_power == HALMAC_MAC_POWER_OFF) {
+		if (halmac_pwr_seq_parser_88xx(
+			    halmac_adapter, HALMAC_PWR_CUT_ALL_MSK,
+			    HALMAC_PWR_FAB_TSMC_MSK, interface_mask,
+			    halmac_8822b_card_disable_flow) !=
+		    HALMAC_RET_SUCCESS) {
+			pr_err("Handle power off cmd error\n");
+			return HALMAC_RET_POWER_OFF_FAIL;
+		}
+
+		halmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_OFF;
+		halmac_adapter->halmac_state.ps_state =
+			HALMAC_PS_STATE_UNDEFINE;
+		halmac_adapter->halmac_state.dlfw_state = HALMAC_DLFW_NONE;
+		halmac_init_adapter_dynamic_para_88xx(halmac_adapter);
+	} else {
+		if (halmac_pwr_seq_parser_88xx(
+			    halmac_adapter, HALMAC_PWR_CUT_ALL_MSK,
+			    HALMAC_PWR_FAB_TSMC_MSK, interface_mask,
+			    halmac_8822b_card_enable_flow) !=
+		    HALMAC_RET_SUCCESS) {
+			pr_err("Handle power on cmd error\n");
+			return HALMAC_RET_POWER_ON_FAIL;
+		}
+
+		halmac_adapter->halmac_state.mac_power = HALMAC_MAC_POWER_ON;
+		halmac_adapter->halmac_state.ps_state = HALMAC_PS_STATE_ACT;
+	}
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+			"halmac_mac_power_switch_88xx_pcie <==========\n");
+
+	return HALMAC_RET_SUCCESS;
+}
+
+/**
+ * halmac_pcie_switch_8822b() - pcie gen1/gen2 switch
+ * @halmac_adapter : the adapter of halmac
+ * @pcie_cfg : gen1/gen2 selection
+ * Author : KaiYuan Chang
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status
+halmac_pcie_switch_8822b(struct halmac_adapter *halmac_adapter,
+			 enum halmac_pcie_cfg pcie_cfg)
+{
+	void *driver_adapter = NULL;
+	struct halmac_api *halmac_api;
+	u8 current_link_speed = 0;
+	u32 count = 0;
+
+	if (halmac_adapter_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_ADAPTER_INVALID;
+
+	if (halmac_api_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_API_INVALID;
+
+	halmac_api_record_id_88xx(halmac_adapter, HALMAC_API_PCIE_SWITCH);
+
+	driver_adapter = halmac_adapter->driver_adapter;
+	halmac_api = (struct halmac_api *)halmac_adapter->halmac_api;
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+			"%s ==========>\n", __func__);
+
+	/* Link Control 2 Register[3:0] Target Link Speed
+	 * Defined encodings are:
+	 * 0001b Target Link 2.5 GT/s
+	 * 0010b Target Link 5.0 GT/s
+	 * 0100b Target Link 8.0 GT/s
+	 */
+
+	if (pcie_cfg == HALMAC_PCIE_GEN1) {
+		/* cfg 0xA0[3:0]=4'b0001 */
+		halmac_dbi_write8_88xx(
+			halmac_adapter, LINK_CTRL2_REG_OFFSET,
+			(halmac_dbi_read8_88xx(halmac_adapter,
+					       LINK_CTRL2_REG_OFFSET) &
+			 0xF0) | BIT(0));
+
+		/* cfg 0x80C[17]=1 //PCIe DesignWave */
+		halmac_dbi_write32_88xx(
+			halmac_adapter, GEN2_CTRL_OFFSET,
+			halmac_dbi_read32_88xx(halmac_adapter,
+					       GEN2_CTRL_OFFSET) |
+				BIT(17));
+
+		/* check link speed if GEN1 */
+		/* cfg 0x82[3:0]=4'b0001 */
+		current_link_speed =
+			halmac_dbi_read8_88xx(halmac_adapter,
+					      LINK_STATUS_REG_OFFSET) &
+			0x0F;
+		count = 2000;
+
+		while (current_link_speed != GEN1_SPEED && count != 0) {
+			usleep_range(50, 60);
+			current_link_speed =
+				halmac_dbi_read8_88xx(halmac_adapter,
+						      LINK_STATUS_REG_OFFSET) &
+				0x0F;
+			count--;
+		}
+
+		if (current_link_speed != GEN1_SPEED) {
+			pr_err("Speed change to GEN1 fail !\n");
+			return HALMAC_RET_FAIL;
+		}
+
+	} else if (pcie_cfg == HALMAC_PCIE_GEN2) {
+		/* cfg 0xA0[3:0]=4'b0010 */
+		halmac_dbi_write8_88xx(
+			halmac_adapter, LINK_CTRL2_REG_OFFSET,
+			(halmac_dbi_read8_88xx(halmac_adapter,
+					       LINK_CTRL2_REG_OFFSET) &
+			 0xF0) | BIT(1));
+
+		/* cfg 0x80C[17]=1 //PCIe DesignWave */
+		halmac_dbi_write32_88xx(
+			halmac_adapter, GEN2_CTRL_OFFSET,
+			halmac_dbi_read32_88xx(halmac_adapter,
+					       GEN2_CTRL_OFFSET) |
+				BIT(17));
+
+		/* check link speed if GEN2 */
+		/* cfg 0x82[3:0]=4'b0010 */
+		current_link_speed =
+			halmac_dbi_read8_88xx(halmac_adapter,
+					      LINK_STATUS_REG_OFFSET) &
+			0x0F;
+		count = 2000;
+
+		while (current_link_speed != GEN2_SPEED && count != 0) {
+			usleep_range(50, 60);
+			current_link_speed =
+				halmac_dbi_read8_88xx(halmac_adapter,
+						      LINK_STATUS_REG_OFFSET) &
+				0x0F;
+			count--;
+		}
+
+		if (current_link_speed != GEN2_SPEED) {
+			pr_err("Speed change to GEN1 fail !\n");
+			return HALMAC_RET_FAIL;
+		}
+
+	} else {
+		pr_err("Error Speed !\n");
+		return HALMAC_RET_FAIL;
+	}
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+			"%s <==========\n", __func__);
+
+	return HALMAC_RET_SUCCESS;
+}
+
+enum halmac_ret_status
+halmac_pcie_switch_8822b_nc(struct halmac_adapter *halmac_adapter,
+			    enum halmac_pcie_cfg pcie_cfg)
+{
+	void *driver_adapter = NULL;
+	struct halmac_api *halmac_api;
+
+	if (halmac_adapter_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_ADAPTER_INVALID;
+
+	if (halmac_api_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_API_INVALID;
+
+	halmac_api_record_id_88xx(halmac_adapter, HALMAC_API_PCIE_SWITCH);
+
+	driver_adapter = halmac_adapter->driver_adapter;
+	halmac_api = (struct halmac_api *)halmac_adapter->halmac_api;
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+			"%s ==========>\n", __func__);
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+			"%s <==========\n", __func__);
+
+	return HALMAC_RET_SUCCESS;
+}
+
+/**
+ * halmac_phy_cfg_8822b_pcie() - phy config
+ * @halmac_adapter : the adapter of halmac
+ * Author : KaiYuan Chang
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status
+halmac_phy_cfg_8822b_pcie(struct halmac_adapter *halmac_adapter,
+			  enum halmac_intf_phy_platform platform)
+{
+	void *driver_adapter = NULL;
+	enum halmac_ret_status status = HALMAC_RET_SUCCESS;
+	struct halmac_api *halmac_api;
+
+	if (halmac_adapter_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_ADAPTER_INVALID;
+
+	if (halmac_api_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_API_INVALID;
+
+	halmac_api_record_id_88xx(halmac_adapter, HALMAC_API_PHY_CFG);
+
+	driver_adapter = halmac_adapter->driver_adapter;
+	halmac_api = (struct halmac_api *)halmac_adapter->halmac_api;
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+			"halmac_phy_cfg ==========>\n");
+
+	status = halmac_parse_intf_phy_88xx(halmac_adapter,
+					    HALMAC_RTL8822B_PCIE_PHY_GEN1,
+					    platform, HAL_INTF_PHY_PCIE_GEN1);
+
+	if (status != HALMAC_RET_SUCCESS)
+		return status;
+
+	status = halmac_parse_intf_phy_88xx(halmac_adapter,
+					    HALMAC_RTL8822B_PCIE_PHY_GEN2,
+					    platform, HAL_INTF_PHY_PCIE_GEN2);
+
+	if (status != HALMAC_RET_SUCCESS)
+		return status;
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_PWR, DBG_DMESG,
+			"halmac_phy_cfg <==========\n");
+
+	return HALMAC_RET_SUCCESS;
+}
+
+/**
+ * halmac_interface_integration_tuning_8822b_pcie() - pcie interface fine tuning
+ * @halmac_adapter : the adapter of halmac
+ * Author : Rick Liu
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status halmac_interface_integration_tuning_8822b_pcie(
+	struct halmac_adapter *halmac_adapter)
+{
+	return HALMAC_RET_SUCCESS;
+}