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// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2016 Realtek Corporation.
*
* 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;
}
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