From: Yan-Hsuan Chuang <yhchu...@realtek.com>

mac files for Realtek 802.11ac wireless network chips

Signed-off-by: Yan-Hsuan Chuang <yhchu...@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/mac.c | 1045 ++++++++++++++++++++++++++++++
 drivers/net/wireless/realtek/rtw88/mac.h |   35 +
 2 files changed, 1080 insertions(+)
 create mode 100644 drivers/net/wireless/realtek/rtw88/mac.c
 create mode 100644 drivers/net/wireless/realtek/rtw88/mac.h

diff --git a/drivers/net/wireless/realtek/rtw88/mac.c 
b/drivers/net/wireless/realtek/rtw88/mac.c
new file mode 100644
index 0000000..f960890
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -0,0 +1,1045 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2018  Realtek Corporation.
+ */
+
+#include "main.h"
+#include "mac.h"
+#include "reg.h"
+#include "fw.h"
+#include "debug.h"
+
+void rtw_set_channel_mac(struct rtw_dev *rtwdev, u8 channel, u8 bw,
+                        u8 primary_ch_idx)
+{
+       u8 txsc40 = 0, txsc20 = 0;
+       u32 value32;
+       u8 value8;
+
+       txsc20 = primary_ch_idx;
+       if (txsc20 == 1 || txsc20 == 3)
+               txsc40 = 9;
+       else
+               txsc40 = 10;
+       rtw_write8(rtwdev, REG_DATA_SC,
+                  BIT_TXSC_20M(txsc20) | BIT_TXSC_40M(txsc40));
+
+       value32 = rtw_read32(rtwdev, REG_WMAC_TRXPTCL_CTL);
+       value32 &= ~BIT_RFMOD;
+       switch (bw) {
+       case RTW_CHANNEL_WIDTH_80:
+               value32 |= BIT_RFMOD_80M;
+               break;
+       case RTW_CHANNEL_WIDTH_40:
+               value32 |= BIT_RFMOD_40M;
+               break;
+       case RTW_CHANNEL_WIDTH_20:
+       default:
+               break;
+       }
+       rtw_write32(rtwdev, REG_WMAC_TRXPTCL_CTL, value32);
+
+       value32 = rtw_read32(rtwdev, REG_AFE_CTRL1) & ~(BIT_MAC_CLK_SEL);
+       value32 |= (MAC_CLK_HW_DEF_80M << BIT_SHIFT_MAC_CLK_SEL);
+       rtw_write32(rtwdev, REG_AFE_CTRL1, value32);
+
+       rtw_write8(rtwdev, REG_USTIME_TSF, MAC_CLK_SPEED);
+       rtw_write8(rtwdev, REG_USTIME_EDCA, MAC_CLK_SPEED);
+
+       value8 = rtw_read8(rtwdev, REG_CCK_CHECK);
+       value8 = value8 & ~BIT_CHECK_CCK_EN;
+       if (channel > 35)
+               value8 |= BIT_CHECK_CCK_EN;
+       rtw_write8(rtwdev, REG_CCK_CHECK, value8);
+}
+
+static int rtw_mac_pre_system_cfg(struct rtw_dev *rtwdev)
+{
+       u32 value32;
+       u8 value8;
+
+       rtw_write8(rtwdev, REG_RSV_CTRL, 0);
+
+       switch (rtw_hci_type(rtwdev)) {
+       case RTW_HCI_TYPE_PCIE:
+               rtw_write32_set(rtwdev, REG_HCI_OPT_CTRL, BIT_BT_DIG_CLK_EN);
+               break;
+       case RTW_HCI_TYPE_USB:
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       /* config PIN Mux */
+       value32 = rtw_read32(rtwdev, REG_PAD_CTRL1);
+       value32 |= BIT_PAPE_WLBT_SEL | BIT_LNAON_WLBT_SEL;
+       rtw_write32_set(rtwdev, REG_PAD_CTRL1, value32);
+
+       value32 = rtw_read32(rtwdev, REG_LED_CFG);
+       value32 &= ~(BIT_PAPE_SEL_EN | BIT_LNAON_SEL_EN);
+       rtw_write32(rtwdev, REG_LED_CFG, value32);
+
+       value32 = rtw_read32(rtwdev, REG_GPIO_MUXCFG);
+       value32 |= BIT_WLRFE_4_5_EN;
+       rtw_write32(rtwdev, REG_GPIO_MUXCFG, value32);
+
+       /* disable BB/RF */
+       value8 = rtw_read8(rtwdev, REG_SYS_FUNC_EN);
+       value8 &= ~(BIT_FEN_BB_RSTB | BIT_FEN_BB_GLB_RST);
+       rtw_write8(rtwdev, REG_SYS_FUNC_EN, value8);
+
+       value8 = rtw_read8(rtwdev, REG_RF_CTRL);
+       value8 &= ~(BIT_RF_SDM_RSTB | BIT_RF_RSTB | BIT_RF_EN);
+       rtw_write8(rtwdev, REG_RF_CTRL, value8);
+
+       value32 = rtw_read32(rtwdev, REG_WLRF1);
+       value32 &= ~BIT_WLRF1_BBRF_EN;
+       rtw_write32(rtwdev, REG_WLRF1, value32);
+
+       return 0;
+}
+
+static int rtw_pwr_cmd_polling(struct rtw_dev *rtwdev,
+                              struct rtw_pwr_seq_cmd *cmd)
+{
+       u8 value;
+       u8 flag = 0;
+       u32 offset;
+       u32 cnt = RTW_PWR_POLLING_CNT;
+
+       if (cmd->base == RTW_PWR_ADDR_SDIO)
+               offset = cmd->offset | SDIO_LOCAL_OFFSET;
+       else
+               offset = cmd->offset;
+
+       do {
+               cnt--;
+               value = rtw_read8(rtwdev, offset);
+               value &= cmd->mask;
+               if (value == (cmd->value & cmd->mask))
+                       return 0;
+               if (cnt == 0) {
+                       if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE &&
+                           flag == 0) {
+                               value = rtw_read8(rtwdev, REG_SYS_PW_CTRL);
+                               value |= BIT(3);
+                               rtw_write8(rtwdev, REG_SYS_PW_CTRL, value);
+                               value &= ~BIT(3);
+                               rtw_write8(rtwdev, REG_SYS_PW_CTRL, value);
+                               cnt = RTW_PWR_POLLING_CNT;
+                               flag = 1;
+                       } else {
+                               return -EBUSY;
+                       }
+               } else {
+                       udelay(50);
+               }
+       } while (1);
+}
+
+static int rtw_sub_pwr_seq_parser(struct rtw_dev *rtwdev, u8 intf_mask,
+                                 u8 cut_mask, struct rtw_pwr_seq_cmd *cmd)
+{
+       struct rtw_pwr_seq_cmd *cur_cmd;
+       u32 offset;
+       u8 value;
+
+       for (cur_cmd = cmd; cur_cmd->cmd != RTW_PWR_CMD_END; cur_cmd++) {
+               if (!(cur_cmd->intf_mask & intf_mask) ||
+                   !(cur_cmd->cut_mask & cut_mask))
+                       continue;
+
+               switch (cur_cmd->cmd) {
+               case RTW_PWR_CMD_WRITE:
+                       offset = cur_cmd->offset;
+
+                       if (cur_cmd->base == RTW_PWR_ADDR_SDIO)
+                               offset |= SDIO_LOCAL_OFFSET;
+
+                       value = rtw_read8(rtwdev, offset);
+                       value &= ~cur_cmd->mask;
+                       value |= (cur_cmd->value & cur_cmd->mask);
+                       rtw_write8(rtwdev, offset, value);
+                       break;
+               case RTW_PWR_CMD_POLLING:
+                       if (rtw_pwr_cmd_polling(rtwdev, cur_cmd))
+                               return -EBUSY;
+                       break;
+               case RTW_PWR_CMD_DELAY:
+                       if (cur_cmd->value == RTW_PWR_DELAY_US)
+                               udelay(cur_cmd->offset);
+                       else
+                               mdelay(cur_cmd->offset);
+                       break;
+               case RTW_PWR_CMD_READ:
+                       break;
+               default:
+                       return -EINVAL;
+               }
+       }
+
+       return 0;
+}
+
+static int rtw_pwr_seq_parser(struct rtw_dev *rtwdev,
+                             struct rtw_pwr_seq_cmd **cmd_seq)
+{
+       u8 cut_mask;
+       u8 intf_mask;
+       u8 cut;
+       u32 idx = 0;
+       struct rtw_pwr_seq_cmd *cmd;
+       int ret;
+
+       cut = rtwdev->hal.cut_version;
+       cut_mask = cut_version_to_mask(cut);
+       switch (rtw_hci_type(rtwdev)) {
+       case RTW_HCI_TYPE_PCIE:
+               intf_mask = BIT(2);
+               break;
+       case RTW_HCI_TYPE_USB:
+               intf_mask = BIT(1);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       do {
+               cmd = cmd_seq[idx];
+               if (!cmd)
+                       break;
+
+               ret = rtw_sub_pwr_seq_parser(rtwdev, intf_mask, cut_mask, cmd);
+               if (ret)
+                       return -EBUSY;
+
+               idx++;
+       } while (1);
+
+       return 0;
+}
+
+static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on)
+{
+       struct rtw_chip_info *chip = rtwdev->chip;
+       struct rtw_pwr_seq_cmd **pwr_seq;
+       u8 rpwm;
+       bool cur_pwr;
+
+       rpwm = rtw_read8(rtwdev, rtwdev->hci.rpwm_addr);
+
+       /* Check FW still exist or not */
+       if (rtw_read16(rtwdev, REG_MCUFW_CTRL) == 0xC078) {
+               rpwm = (rpwm ^ BIT_RPWM_TOGGLE) & BIT_RPWM_TOGGLE;
+               rtw_write8(rtwdev, rtwdev->hci.rpwm_addr, rpwm);
+       }
+
+       if (rtw_read8(rtwdev, REG_CR) == 0xea)
+               cur_pwr = false;
+       else if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_USB &&
+                (rtw_read8(rtwdev, REG_SYS_STATUS1 + 1) & BIT(0)))
+               cur_pwr = false;
+       else
+               cur_pwr = true;
+
+       if (pwr_on && cur_pwr)
+               return -EALREADY;
+
+       pwr_seq = pwr_on ? chip->pwr_on_seq : chip->pwr_off_seq;
+       if (rtw_pwr_seq_parser(rtwdev, pwr_seq))
+               return -EINVAL;
+
+       return 0;
+}
+
+static int rtw_mac_init_system_cfg(struct rtw_dev *rtwdev)
+{
+       u8 sys_func_en = rtwdev->chip->sys_func_en;
+       u8 value8;
+       u32 value, tmp;
+
+       value = rtw_read32(rtwdev, REG_CPU_DMEM_CON);
+       value |= BIT_WL_PLATFORM_RST | BIT_DDMA_EN;
+       rtw_write32(rtwdev, REG_CPU_DMEM_CON, value);
+
+       rtw_write8(rtwdev, REG_SYS_FUNC_EN + 1, sys_func_en);
+       value8 = (rtw_read8(rtwdev, REG_CR_EXT + 3) & 0xF0) | 0x0C;
+       rtw_write8(rtwdev, REG_CR_EXT + 3, value8);
+
+       /* disable boot-from-flash for driver's DL FW */
+       tmp = rtw_read32(rtwdev, REG_MCUFW_CTRL);
+       if (tmp & BIT_BOOT_FSPI_EN) {
+               rtw_write32(rtwdev, REG_MCUFW_CTRL, tmp & (~BIT_BOOT_FSPI_EN));
+               value = rtw_read32(rtwdev, REG_GPIO_MUXCFG) & (~BIT_FSPI_EN);
+               rtw_write32(rtwdev, REG_GPIO_MUXCFG, value);
+       }
+
+       return 0;
+}
+
+int rtw_mac_power_on(struct rtw_dev *rtwdev)
+{
+       int ret = 0;
+
+       ret = rtw_mac_pre_system_cfg(rtwdev);
+       if (ret)
+               goto err;
+
+       ret = rtw_mac_power_switch(rtwdev, true);
+       if (ret)
+               goto err;
+
+       ret = rtw_mac_init_system_cfg(rtwdev);
+       if (ret)
+               goto err;
+
+       return 0;
+
+err:
+       rtw_err(rtwdev, "mac power on failed");
+       return ret;
+}
+
+void rtw_mac_power_off(struct rtw_dev *rtwdev)
+{
+       rtw_mac_power_switch(rtwdev, false);
+}
+
+static void
+restore_mac_reg(struct rtw_dev *rtwdev, struct rtw_backup_info *bckp, u32 num)
+{
+       u8 len;
+       u32 reg;
+       u32 val;
+       int i;
+
+       for (i = 0; i < num; i++, bckp++) {
+               len = bckp->len;
+               reg = bckp->reg;
+               val = bckp->val;
+
+               switch (len) {
+               case 1:
+                       rtw_write8(rtwdev, reg, (u8)val);
+                       break;
+               case 2:
+                       rtw_write16(rtwdev, reg, (u16)val);
+                       break;
+               case 4:
+                       rtw_write32(rtwdev, reg, (u32)val);
+                       break;
+               default:
+                       break;
+               }
+       }
+}
+
+static bool check_firmware_size(const u8 *data, u32 size)
+{
+       u32 dmem_size;
+       u32 imem_size;
+       u32 emem_size;
+       u32 real_size;
+
+       dmem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_DMEM_SIZE)));
+       imem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_IMEM_SIZE)));
+       emem_size = ((*(data + FW_HDR_MEM_USAGE)) & BIT(4)) ?
+                   le32_to_cpu(*((__le32 *)(data + FW_HDR_EMEM_SIZE))) : 0;
+
+       dmem_size += FW_HDR_CHKSUM_SIZE;
+       imem_size += FW_HDR_CHKSUM_SIZE;
+       emem_size += emem_size ? FW_HDR_CHKSUM_SIZE : 0;
+       real_size = FW_HDR_SIZE + dmem_size + imem_size + emem_size;
+       if (real_size != size)
+               return false;
+
+       return true;
+}
+
+static bool ltecoex_read_reg(struct rtw_dev *rtwdev, u16 offset, u32 *val)
+{
+       u32 cnt = 10000;
+
+       while ((rtw_read8(rtwdev, LTECOEX_ACCESS_CTRL + 3) & BIT(5)) == 0) {
+               if (cnt-- == 0)
+                       return false;
+               udelay(50);
+       }
+
+       rtw_write32(rtwdev, LTECOEX_ACCESS_CTRL, 0x800F0000 | offset);
+       *val = rtw_read32(rtwdev, LTECOEX_READ_DATA);
+
+       return true;
+}
+
+static bool ltecoex_reg_write(struct rtw_dev *rtwdev, u16 offset, u32 value)
+{
+       u32 cnt;
+
+       cnt = 10000;
+       while ((rtw_read8(rtwdev, LTECOEX_ACCESS_CTRL + 3) & BIT(5)) == 0) {
+               if (cnt == 0) {
+                       pr_err("[ERR]lte ready(W)\n");
+                       return false;
+               }
+               cnt--;
+               udelay(50);
+       }
+
+       rtw_write32(rtwdev, LTECOEX_WRITE_DATA, value);
+       rtw_write32(rtwdev, LTECOEX_ACCESS_CTRL, 0xC00F0000 | offset);
+
+       return true;
+}
+
+static void wlan_cpu_enable(struct rtw_dev *rtwdev, bool enable)
+{
+       if (enable) {
+               /* cpu io interface enable */
+               rtw_write8_set(rtwdev, REG_RSV_CTRL + 1, BIT_WLMCU_IOIF);
+
+               /* cpu enable */
+               rtw_write8_set(rtwdev, REG_SYS_FUNC_EN + 1, BIT_FEN_CPUEN);
+       } else {
+               /* cpu io interface disable */
+               rtw_write8_clr(rtwdev, REG_SYS_FUNC_EN + 1, BIT_FEN_CPUEN);
+
+               /* cpu disable */
+               rtw_write8_clr(rtwdev, REG_RSV_CTRL + 1, BIT_WLMCU_IOIF);
+       }
+}
+
+#define DLFW_RESTORE_REG_NUM 6
+
+static void download_firmware_reg_backup(struct rtw_dev *rtwdev,
+                                        struct rtw_backup_info *bckp)
+{
+       u8 tmp;
+       u8 bckp_idx = 0;
+
+       /* set HIQ to hi priority */
+       bckp[bckp_idx].len = 1;
+       bckp[bckp_idx].reg = REG_TXDMA_PQ_MAP + 1;
+       bckp[bckp_idx].val = rtw_read8(rtwdev, REG_TXDMA_PQ_MAP + 1);
+       bckp_idx++;
+       tmp = RTW_DMA_MAPPING_HIGH << 6;
+       rtw_write8(rtwdev, REG_TXDMA_PQ_MAP + 1, tmp);
+
+       /* DLFW only use HIQ, map HIQ to hi priority */
+       bckp[bckp_idx].len = 1;
+       bckp[bckp_idx].reg = REG_CR;
+       bckp[bckp_idx].val = rtw_read8(rtwdev, REG_CR);
+       bckp_idx++;
+       bckp[bckp_idx].len = 4;
+       bckp[bckp_idx].reg = REG_H2CQ_CSR;
+       bckp[bckp_idx].val = BIT_H2CQ_FULL;
+       bckp_idx++;
+       tmp = BIT_HCI_TXDMA_EN | BIT_TXDMA_EN;
+       rtw_write8(rtwdev, REG_CR, tmp);
+       rtw_write32(rtwdev, REG_H2CQ_CSR, BIT_H2CQ_FULL);
+
+       /* Config hi priority queue and public priority queue page number */
+       bckp[bckp_idx].len = 2;
+       bckp[bckp_idx].reg = REG_FIFOPAGE_INFO_1;
+       bckp[bckp_idx].val = rtw_read16(rtwdev, REG_FIFOPAGE_INFO_1);
+       bckp_idx++;
+       bckp[bckp_idx].len = 4;
+       bckp[bckp_idx].reg = REG_RQPN_CTRL_2;
+       bckp[bckp_idx].val = rtw_read32(rtwdev, REG_RQPN_CTRL_2) | BIT_LD_RQPN;
+       bckp_idx++;
+       rtw_write16(rtwdev, REG_FIFOPAGE_INFO_1, 0x200);
+       rtw_write32(rtwdev, REG_RQPN_CTRL_2, bckp[bckp_idx - 1].val);
+
+       /* Disable beacon related functions */
+       tmp = rtw_read8(rtwdev, REG_BCN_CTRL);
+       bckp[bckp_idx].len = 1;
+       bckp[bckp_idx].reg = REG_BCN_CTRL;
+       bckp[bckp_idx].val = tmp;
+       bckp_idx++;
+       tmp = (u8)((tmp & (~BIT_EN_BCN_FUNCTION)) | BIT_DIS_TSF_UDT);
+       rtw_write8(rtwdev, REG_BCN_CTRL, tmp);
+
+       WARN(bckp_idx != DLFW_RESTORE_REG_NUM, "wrong backup number");
+}
+
+static void download_firmware_reset_platform(struct rtw_dev *rtwdev)
+{
+       rtw_write8_clr(rtwdev, REG_CPU_DMEM_CON + 2, BIT_WL_PLATFORM_RST >> 16);
+       rtw_write8_clr(rtwdev, REG_SYS_CLK_CTRL + 1, BIT_CPU_CLK_EN >> 8);
+       rtw_write8_set(rtwdev, REG_CPU_DMEM_CON + 2, BIT_WL_PLATFORM_RST >> 16);
+       rtw_write8_set(rtwdev, REG_SYS_CLK_CTRL + 1, BIT_CPU_CLK_EN >> 8);
+}
+
+static void download_firmware_reg_restore(struct rtw_dev *rtwdev,
+                                         struct rtw_backup_info *bckp,
+                                         u8 bckp_num)
+{
+       restore_mac_reg(rtwdev, bckp, bckp_num);
+}
+
+#define TX_DESC_SIZE 48
+
+static int
+send_firmware_pkt(struct rtw_dev *rtwdev, u16 pg_addr, const u8 *data, u32 
size)
+{
+       u8 *fw_add_num = NULL;
+       u8 *buf;
+       int ret;
+
+       if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_USB &&
+           !((size + TX_DESC_SIZE) & (512 - 1))) {
+               fw_add_num = kmalloc(size + 1, GFP_KERNEL);
+               if (!fw_add_num)
+                       return -ENOMEM;
+               memcpy(fw_add_num, data, size);
+               ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, fw_add_num,
+                                                 size + 1);
+               if (ret)
+                       rtw_err(rtwdev, "fail to download rsvd page for usb");
+
+               kfree(fw_add_num);
+               return ret;
+       }
+
+       buf = kmalloc(size, GFP_KERNEL);
+       memcpy(buf, data, size);
+       ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
+       if (ret)
+               rtw_err(rtwdev, "fail to download rsvd page");
+       kfree(buf);
+
+       return ret;
+}
+
+static int
+iddma_enable(struct rtw_dev *rtwdev, u32 src, u32 dst, u32 ctrl)
+{
+       u32 cnt = DDMA_POLLING_COUNT;
+
+       rtw_write32(rtwdev, REG_DDMA_CH0SA, src);
+       rtw_write32(rtwdev, REG_DDMA_CH0DA, dst);
+       rtw_write32(rtwdev, REG_DDMA_CH0CTRL, ctrl);
+
+       while (rtw_read32(rtwdev, REG_DDMA_CH0CTRL) & BIT_DDMACH0_OWN) {
+               cnt--;
+               if (cnt == 0)
+                       return -EBUSY;
+       }
+
+       return 0;
+}
+
+static int iddma_download_firmware(struct rtw_dev *rtwdev, u32 src, u32 dst,
+                                  u32 len, u8 first)
+{
+       u32 cnt = DDMA_POLLING_COUNT;
+       u32 ch0_ctrl = BIT_DDMACH0_CHKSUM_EN | BIT_DDMACH0_OWN;
+
+       while (rtw_read32(rtwdev, REG_DDMA_CH0CTRL) & BIT_DDMACH0_OWN) {
+               cnt--;
+               if (cnt == 0)
+                       return -EBUSY;
+       }
+
+       ch0_ctrl |= len & BIT_MASK_DDMACH0_DLEN;
+       if (!first)
+               ch0_ctrl |= BIT_DDMACH0_CHKSUM_CONT;
+
+       if (iddma_enable(rtwdev, src, dst, ch0_ctrl))
+               return -EBUSY;
+
+       return 0;
+}
+
+static bool
+check_fw_checksum(struct rtw_dev *rtwdev, u32 addr)
+{
+       u8 fw_ctrl;
+
+       fw_ctrl = rtw_read8(rtwdev, REG_MCUFW_CTRL);
+
+       if (rtw_read32(rtwdev, REG_DDMA_CH0CTRL) & BIT_DDMACH0_CHKSUM_STS) {
+               if (addr < OCPBASE_DMEM_88XX) {
+                       fw_ctrl |= BIT_IMEM_DW_OK;
+                       fw_ctrl &= ~BIT_IMEM_CHKSUM_OK;
+                       rtw_write8(rtwdev, REG_MCUFW_CTRL, fw_ctrl);
+               } else {
+                       fw_ctrl |= BIT_DMEM_DW_OK;
+                       fw_ctrl &= ~BIT_DMEM_CHKSUM_OK;
+                       rtw_write8(rtwdev, REG_MCUFW_CTRL, fw_ctrl);
+               }
+
+               rtw_err(rtwdev, "invalid fw checksum");
+
+               return false;
+       }
+
+       if (addr < OCPBASE_DMEM_88XX) {
+               fw_ctrl |= (BIT_IMEM_DW_OK | BIT_IMEM_CHKSUM_OK);
+               rtw_write8(rtwdev, REG_MCUFW_CTRL, fw_ctrl);
+       } else {
+               fw_ctrl |= (BIT_DMEM_DW_OK | BIT_DMEM_CHKSUM_OK);
+               rtw_write8(rtwdev, REG_MCUFW_CTRL, fw_ctrl);
+       }
+
+       return true;
+}
+
+static int
+download_firmware_to_mem(struct rtw_dev *rtwdev, const u8 *data,
+                        u32 src, u32 dst, u32 size)
+{
+       struct rtw_chip_info *chip = rtwdev->chip;
+       u32 desc_size = chip->tx_pkt_desc_sz;
+       u8 first_part;
+       u32 mem_offset;
+       u32 residue_size;
+       u32 pkt_size;
+       u32 max_size = 0x1000;
+       u32 val;
+       int ret;
+
+       mem_offset = 0;
+       first_part = 1;
+       residue_size = size;
+
+       val = rtw_read32(rtwdev, REG_DDMA_CH0CTRL);
+       val |= BIT_DDMACH0_RESET_CHKSUM_STS;
+       rtw_write32(rtwdev, REG_DDMA_CH0CTRL, val);
+
+       while (residue_size) {
+               if (residue_size >= max_size)
+                       pkt_size = max_size;
+               else
+                       pkt_size = residue_size;
+
+               ret = send_firmware_pkt(rtwdev, (u16)(src >> 7),
+                                       data + mem_offset, pkt_size);
+               if (ret)
+                       return ret;
+
+               ret = iddma_download_firmware(rtwdev, OCPBASE_TXBUF_88XX +
+                                             src + desc_size,
+                                             dst + mem_offset, pkt_size,
+                                             first_part);
+               if (ret)
+                       return ret;
+
+               first_part = 0;
+               mem_offset += pkt_size;
+               residue_size -= pkt_size;
+       }
+
+       if (!check_fw_checksum(rtwdev, dst))
+               return -EINVAL;
+
+       return 0;
+}
+
+static void update_firmware_info(struct rtw_dev *rtwdev, const u8 *data)
+{
+       struct rtw_fw_state *fw = &rtwdev->fw;
+
+       fw->h2c_version =
+               le16_to_cpu(*((__le16 *)(data + FW_HDR_H2C_FMT_VER)));
+       fw->version =
+               le16_to_cpu(*((__le16 *)(data + FW_HDR_VERSION)));
+       fw->sub_version = *(data + FW_HDR_SUBVERSION);
+       fw->sub_index = *(data + FW_HDR_SUBINDEX);
+
+       rtw_dbg(rtwdev, "fw h2c version: %x", fw->h2c_version);
+       rtw_dbg(rtwdev, "fw version:     %x", fw->version);
+       rtw_dbg(rtwdev, "fw sub version: %x", fw->sub_version);
+       rtw_dbg(rtwdev, "fw sub index:   %x", fw->sub_index);
+}
+
+static int
+start_download_firmware(struct rtw_dev *rtwdev, const u8 *data, u32 size)
+{
+       const u8 *cur_fw;
+       u16 val;
+       u16 fw_ctrl;
+       u32 imem_size;
+       u32 dmem_size;
+       u32 emem_size;
+       u32 addr;
+       int ret;
+
+       dmem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_DMEM_SIZE)));
+       imem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_IMEM_SIZE)));
+       emem_size = ((*(data + FW_HDR_MEM_USAGE)) & BIT(4)) ?
+                   le32_to_cpu(*((__le32 *)(data + FW_HDR_EMEM_SIZE))) : 0;
+       dmem_size += FW_HDR_CHKSUM_SIZE;
+       imem_size += FW_HDR_CHKSUM_SIZE;
+       emem_size += emem_size ? FW_HDR_CHKSUM_SIZE : 0;
+
+       val = (u16)(rtw_read16(rtwdev, REG_MCUFW_CTRL) & 0x3800);
+       val |= BIT_MCUFWDL_EN;
+       rtw_write16(rtwdev, REG_MCUFW_CTRL, val);
+
+       cur_fw = data + FW_HDR_SIZE;
+       addr = le32_to_cpu(*((__le32 *)(data + FW_HDR_DMEM_ADDR)));
+       addr &= ~BIT(31);
+       ret = download_firmware_to_mem(rtwdev, cur_fw, 0, addr, dmem_size);
+       if (ret)
+               return ret;
+
+       cur_fw = data + FW_HDR_SIZE + dmem_size;
+       addr = le32_to_cpu(*((__le32 *)(data + FW_HDR_IMEM_ADDR)));
+       addr &= ~BIT(31);
+       ret = download_firmware_to_mem(rtwdev, cur_fw, 0, addr, imem_size);
+       if (ret)
+               return ret;
+
+       if (emem_size) {
+               cur_fw = data + FW_HDR_SIZE + dmem_size + imem_size;
+               addr = le32_to_cpu(*((__le32 *)(data + FW_HDR_EMEM_ADDR)));
+               addr &= ~BIT(31);
+               ret = download_firmware_to_mem(rtwdev, cur_fw, 0, addr,
+                                              emem_size);
+               if (ret)
+                       return ret;
+       }
+
+       rtw_write32(rtwdev, REG_TXDMA_STATUS, BTI_PAGE_OVF);
+
+       /* Check IMEM & DMEM checksum is OK or not */
+       fw_ctrl = rtw_read16(rtwdev, REG_MCUFW_CTRL);
+       if ((fw_ctrl & BIT_CHECK_SUM_OK) != BIT_CHECK_SUM_OK)
+               return -EBUSY;
+
+       fw_ctrl = (fw_ctrl | BIT_FW_DW_RDY) & ~BIT_MCUFWDL_EN;
+       rtw_write16(rtwdev, REG_MCUFW_CTRL, fw_ctrl);
+
+       return 0;
+}
+
+static int download_firmware_validate(struct rtw_dev *rtwdev)
+{
+       u32 cnt;
+
+       cnt = 5000;
+       while (rtw_read16(rtwdev, REG_MCUFW_CTRL) != 0xC078) {
+               if (cnt == 0) {
+                       rtw_err(rtwdev, "invalid fw status");
+                       if ((rtw_read32(rtwdev, REG_FW_DBG7) & 0xFFFFFF00) ==
+                           ILLEGAL_KEY_GROUP) {
+                               rtw_err(rtwdev, "invalid fw key");
+                               return -EINVAL;
+                       }
+                       return -EINVAL;
+               }
+               cnt--;
+               udelay(50);
+       }
+
+       return 0;
+}
+
+int rtw_download_firmware(struct rtw_dev *rtwdev, const u8 *data, u32 size)
+{
+       struct rtw_backup_info bckp[DLFW_RESTORE_REG_NUM];
+       u32 ltecoex_bckp;
+       int ret;
+
+       if (!check_firmware_size(data, size))
+               return -EINVAL;
+
+       if (!ltecoex_read_reg(rtwdev, 0x38, &ltecoex_bckp))
+               return -EBUSY;
+
+       wlan_cpu_enable(rtwdev, false);
+
+       download_firmware_reg_backup(rtwdev, bckp);
+       download_firmware_reset_platform(rtwdev);
+
+       ret = start_download_firmware(rtwdev, data, size);
+       if (ret)
+               goto dlfw_fail;
+
+       download_firmware_reg_restore(rtwdev, bckp, DLFW_RESTORE_REG_NUM);
+
+       wlan_cpu_enable(rtwdev, true);
+
+       if (!ltecoex_reg_write(rtwdev, 0x38, ltecoex_bckp))
+               return -EBUSY;
+
+       ret = download_firmware_validate(rtwdev);
+       if (ret)
+               goto dlfw_fail;
+
+       update_firmware_info(rtwdev, data);
+
+       rtw_flag_set(rtwdev, RTW_FLAG_FW_RUNNING);
+
+       return 0;
+
+dlfw_fail:
+       /* Disable FWDL_EN */
+       rtw_write8_clr(rtwdev, REG_MCUFW_CTRL, BIT_MCUFWDL_EN);
+       rtw_write8_set(rtwdev, REG_SYS_FUNC_EN + 1, BIT_FEN_CPUEN);
+
+       return ret;
+}
+
+static int txdma_queue_mapping(struct rtw_dev *rtwdev)
+{
+       struct rtw_chip_info *chip = rtwdev->chip;
+       struct rtw_rqpn *rqpn = NULL;
+       u16 txdma_pq_map = 0;
+
+       switch (rtw_hci_type(rtwdev)) {
+       case RTW_HCI_TYPE_PCIE:
+               rqpn = &chip->rqpn_table[1];
+               break;
+       case RTW_HCI_TYPE_USB:
+               if (rtwdev->hci.bulkout_num == 2)
+                       rqpn = &chip->rqpn_table[2];
+               else if (rtwdev->hci.bulkout_num == 3)
+                       rqpn = &chip->rqpn_table[3];
+               else if (rtwdev->hci.bulkout_num == 4)
+                       rqpn = &chip->rqpn_table[4];
+               else
+                       return -EINVAL;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       txdma_pq_map |= BIT_TXDMA_HIQ_MAP(rqpn->dma_map_hi);
+       txdma_pq_map |= BIT_TXDMA_MGQ_MAP(rqpn->dma_map_mg);
+       txdma_pq_map |= BIT_TXDMA_BKQ_MAP(rqpn->dma_map_bk);
+       txdma_pq_map |= BIT_TXDMA_BEQ_MAP(rqpn->dma_map_be);
+       txdma_pq_map |= BIT_TXDMA_VIQ_MAP(rqpn->dma_map_vi);
+       txdma_pq_map |= BIT_TXDMA_VOQ_MAP(rqpn->dma_map_vo);
+       rtw_write16(rtwdev, REG_TXDMA_PQ_MAP, txdma_pq_map);
+
+       rtw_write8(rtwdev, REG_CR, 0);
+       rtw_write8(rtwdev, REG_CR, MAC_TRX_ENABLE);
+       rtw_write32(rtwdev, REG_H2CQ_CSR, BIT_H2CQ_FULL);
+
+       return 0;
+}
+
+static int set_trx_fifo_info(struct rtw_dev *rtwdev)
+{
+       struct rtw_fifo_conf *fifo = &rtwdev->fifo;
+       struct rtw_chip_info *chip = rtwdev->chip;
+       u16 cur_pg_addr;
+       u8 csi_buf_pg_num = chip->csi_buf_pg_num;
+
+       /* config rsvd page num */
+       fifo->rsvd_drv_pg_num = 8;
+       fifo->txff_pg_num = chip->txff_size >> 7;
+       fifo->rsvd_pg_num = fifo->rsvd_drv_pg_num +
+                          RSVD_PG_H2C_EXTRAINFO_NUM +
+                          RSVD_PG_H2C_STATICINFO_NUM +
+                          RSVD_PG_H2CQ_NUM +
+                          RSVD_PG_CPU_INSTRUCTION_NUM +
+                          RSVD_PG_FW_TXBUF_NUM +
+                          csi_buf_pg_num;
+
+       if (fifo->rsvd_pg_num > fifo->txff_pg_num)
+               return -ENOMEM;
+
+       fifo->acq_pg_num = fifo->txff_pg_num - fifo->rsvd_pg_num;
+       fifo->rsvd_boundary = fifo->txff_pg_num - fifo->rsvd_pg_num;
+
+       cur_pg_addr = fifo->txff_pg_num;
+       cur_pg_addr -= csi_buf_pg_num;
+       fifo->rsvd_csibuf_addr = cur_pg_addr;
+       cur_pg_addr -= RSVD_PG_FW_TXBUF_NUM;
+       fifo->rsvd_fw_txbuf_addr = cur_pg_addr;
+       cur_pg_addr -= RSVD_PG_CPU_INSTRUCTION_NUM;
+       fifo->rsvd_cpu_instr_addr = cur_pg_addr;
+       cur_pg_addr -= RSVD_PG_H2CQ_NUM;
+       fifo->rsvd_h2cq_addr = cur_pg_addr;
+       cur_pg_addr -= RSVD_PG_H2C_STATICINFO_NUM;
+       fifo->rsvd_h2c_sta_info_addr = cur_pg_addr;
+       cur_pg_addr -= RSVD_PG_H2C_EXTRAINFO_NUM;
+       fifo->rsvd_h2c_info_addr = cur_pg_addr;
+       cur_pg_addr -= fifo->rsvd_drv_pg_num;
+       fifo->rsvd_drv_addr = cur_pg_addr;
+
+       if (fifo->rsvd_boundary != fifo->rsvd_drv_addr) {
+               rtw_err(rtwdev, "wrong rsvd driver address");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int priority_queue_cfg(struct rtw_dev *rtwdev)
+{
+       struct rtw_fifo_conf *fifo = &rtwdev->fifo;
+       struct rtw_chip_info *chip = rtwdev->chip;
+       struct rtw_page_table *pg_tbl = NULL;
+       u32 cnt;
+       u16 pubq_num;
+       int ret;
+
+       ret = set_trx_fifo_info(rtwdev);
+       if (ret)
+               return ret;
+
+       switch (rtw_hci_type(rtwdev)) {
+       case RTW_HCI_TYPE_PCIE:
+               pg_tbl = &chip->page_table[1];
+               break;
+       case RTW_HCI_TYPE_USB:
+               if (rtwdev->hci.bulkout_num == 2)
+                       pg_tbl = &chip->page_table[2];
+               else if (rtwdev->hci.bulkout_num == 3)
+                       pg_tbl = &chip->page_table[3];
+               else if (rtwdev->hci.bulkout_num == 4)
+                       pg_tbl = &chip->page_table[4];
+               else
+                       return -EINVAL;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       pubq_num = fifo->acq_pg_num - pg_tbl->hq_num - pg_tbl->lq_num -
+                  pg_tbl->nq_num - pg_tbl->exq_num - pg_tbl->gapq_num;
+       rtw_write16(rtwdev, REG_FIFOPAGE_INFO_1, pg_tbl->hq_num);
+       rtw_write16(rtwdev, REG_FIFOPAGE_INFO_2, pg_tbl->lq_num);
+       rtw_write16(rtwdev, REG_FIFOPAGE_INFO_3, pg_tbl->nq_num);
+       rtw_write16(rtwdev, REG_FIFOPAGE_INFO_4, pg_tbl->exq_num);
+       rtw_write16(rtwdev, REG_FIFOPAGE_INFO_5, pubq_num);
+       rtw_write32_set(rtwdev, REG_RQPN_CTRL_2, BIT_LD_RQPN);
+
+       rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, fifo->rsvd_boundary);
+       rtw_write8_set(rtwdev, REG_FWHW_TXQ_CTRL + 2, BIT_EN_WR_FREE_TAIL >> 
16);
+
+       rtw_write16(rtwdev, REG_BCNQ_BDNY_V1, fifo->rsvd_boundary);
+       rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2 + 2, fifo->rsvd_boundary);
+       rtw_write16(rtwdev, REG_BCNQ1_BDNY_V1, fifo->rsvd_boundary);
+       rtw_write32(rtwdev, REG_RXFF_BNDY, chip->rxff_size - C2H_PKT_BUF - 1);
+       rtw_write8_set(rtwdev, REG_AUTO_LLT_V1, BIT_AUTO_INIT_LLT_V1);
+
+       cnt = 1000;
+       while (rtw_read8(rtwdev, REG_AUTO_LLT_V1) & BIT_AUTO_INIT_LLT_V1)
+               if (cnt-- == 0)
+                       return -EBUSY;
+
+       rtw_write8(rtwdev, REG_CR + 3, 0);
+
+       return 0;
+}
+
+static int init_h2c(struct rtw_dev *rtwdev)
+{
+       struct rtw_fifo_conf *fifo = &rtwdev->fifo;
+       u8 value8;
+       u32 value32;
+       u32 h2cq_addr;
+       u32 h2cq_size;
+       u32 h2cq_free;
+       u32 wp, rp;
+
+       h2cq_addr = fifo->rsvd_h2cq_addr << TX_PAGE_SIZE_SHIFT;
+       h2cq_size = RSVD_PG_H2CQ_NUM << TX_PAGE_SIZE_SHIFT;
+
+       value32 = rtw_read32(rtwdev, REG_H2C_HEAD);
+       value32 = (value32 & 0xFFFC0000) | h2cq_addr;
+       rtw_write32(rtwdev, REG_H2C_HEAD, value32);
+
+       value32 = rtw_read32(rtwdev, REG_H2C_READ_ADDR);
+       value32 = (value32 & 0xFFFC0000) | h2cq_addr;
+       rtw_write32(rtwdev, REG_H2C_READ_ADDR, value32);
+
+       value32 = rtw_read32(rtwdev, REG_H2C_TAIL);
+       value32 &= 0xFFFC0000;
+       value32 |= (h2cq_addr + h2cq_size);
+       rtw_write32(rtwdev, REG_H2C_TAIL, value32);
+
+       value8 = rtw_read8(rtwdev, REG_H2C_INFO);
+       value8 = (u8)((value8 & 0xFC) | 0x01);
+       rtw_write8(rtwdev, REG_H2C_INFO, value8);
+
+       value8 = rtw_read8(rtwdev, REG_H2C_INFO);
+       value8 = (u8)((value8 & 0xFB) | 0x04);
+       rtw_write8(rtwdev, REG_H2C_INFO, value8);
+
+       value8 = rtw_read8(rtwdev, REG_TXDMA_OFFSET_CHK + 1);
+       value8 = (u8)((value8 & 0x7f) | 0x80);
+       rtw_write8(rtwdev, REG_TXDMA_OFFSET_CHK + 1, value8);
+
+       wp = rtw_read32(rtwdev, REG_H2C_PKT_WRITEADDR) & 0x3FFFF;
+       rp = rtw_read32(rtwdev, REG_H2C_PKT_READADDR) & 0x3FFFF;
+       h2cq_free = wp >= rp ? h2cq_size - (wp - rp) : rp - wp;
+
+       if (h2cq_size != h2cq_free) {
+               rtw_err(rtwdev, "H2C queue mismatch");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int rtw_init_trx_cfg(struct rtw_dev *rtwdev)
+{
+       int ret;
+
+       ret = txdma_queue_mapping(rtwdev);
+       if (ret)
+               return ret;
+
+       ret = priority_queue_cfg(rtwdev);
+       if (ret)
+               return ret;
+
+       ret = init_h2c(rtwdev);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+static int rtw_drv_info_cfg(struct rtw_dev *rtwdev)
+{
+       u8 value8;
+
+       rtw_write8(rtwdev, REG_RX_DRVINFO_SZ, PHY_STATUS_SIZE);
+       value8 = rtw_read8(rtwdev, REG_TRXFF_BNDY + 1);
+       value8 &= 0xF0;
+       /* For rxdesc len = 0 issue */
+       value8 |= 0xF;
+       rtw_write8(rtwdev, REG_TRXFF_BNDY + 1, value8);
+       rtw_write32_set(rtwdev, REG_RCR, BIT_APP_PHYSTS);
+       rtw_write32_clr(rtwdev, REG_WMAC_OPTION_FUNCTION + 4, BIT(8) | BIT(9));
+
+       return 0;
+}
+
+int rtw_mac_init(struct rtw_dev *rtwdev)
+{
+       struct rtw_chip_info *chip = rtwdev->chip;
+       struct rtw_efuse *efuse = &rtwdev->efuse;
+       struct rtw_general_info info;
+       int ret;
+
+       ret = rtw_init_trx_cfg(rtwdev);
+       if (ret)
+               return ret;
+
+       ret = chip->ops->mac_init(rtwdev);
+       if (ret)
+               return ret;
+
+       ret = rtw_drv_info_cfg(rtwdev);
+       if (ret)
+               return ret;
+
+       efuse = &rtwdev->efuse;
+       info.rfe_type = efuse->rfe_option;
+       if (rtwdev->hal.rf_type == RF_1T1R)
+               info.rf_type = FW_RF_1T1R;
+       else if (rtwdev->hal.rf_type == RF_2T2R)
+               info.rf_type = FW_RF_2T2R;
+
+       rtw_fw_send_general_info(rtwdev, &info);
+       rtw_fw_send_phydm_info(rtwdev, &info);
+
+       return 0;
+}
diff --git a/drivers/net/wireless/realtek/rtw88/mac.h 
b/drivers/net/wireless/realtek/rtw88/mac.h
new file mode 100644
index 0000000..cc598cf
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/mac.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2018  Realtek Corporation.
+ */
+
+#ifndef __RTW_MAC_H__
+#define __RTW_MAc_H__
+
+#define RTW_HW_PORT_NUM                5
+#define cut_version_to_mask(cut) (0x1 << ((cut) + 1))
+#define SDIO_LOCAL_OFFSET      0x10250000
+#define DDMA_POLLING_COUNT     1000
+#define C2H_PKT_BUF            256
+#define PHY_STATUS_SIZE                4
+#define ILLEGAL_KEY_GROUP      0xFAAAAA00
+
+/* HW memory address */
+#define OCPBASE_TXBUF_88XX             0x18780000
+#define OCPBASE_DMEM_88XX              0x00200000
+#define OCPBASE_EMEM_88XX              0x00100000
+
+#define RSVD_PG_DRV_NUM                        16
+#define RSVD_PG_H2C_EXTRAINFO_NUM      24
+#define RSVD_PG_H2C_STATICINFO_NUM     8
+#define RSVD_PG_H2CQ_NUM               8
+#define RSVD_PG_CPU_INSTRUCTION_NUM    0
+#define RSVD_PG_FW_TXBUF_NUM           4
+
+void rtw_set_channel_mac(struct rtw_dev *rtwdev, u8 channel, u8 bw,
+                        u8 primary_ch_idx);
+int rtw_mac_power_on(struct rtw_dev *rtwdev);
+void rtw_mac_power_off(struct rtw_dev *rtwdev);
+int rtw_download_firmware(struct rtw_dev *rtwdev, const u8 *data, u32 size);
+int rtw_mac_init(struct rtw_dev *rtwdev);
+
+#endif
-- 
2.7.4

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