diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8723com/fw_common.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8723com/fw_common.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723com/fw_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/fw_common.c new file mode 100644 index 000000000..36c00b89c --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/fw_common.c @@ -0,0 +1,245 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2009-2014 Realtek Corporation.*/ + +#include "../wifi.h" +#include "../pci.h" +#include "../base.h" +#include "../efuse.h" +#include "fw_common.h" +#include <linux/module.h> + +void rtl8723_enable_fw_download(struct ieee80211_hw *hw, bool enable) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 tmp; + + if (enable) { + tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1); + rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, + tmp | 0x04); + + tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL); + rtl_write_byte(rtlpriv, REG_MCUFWDL, tmp | 0x01); + + tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL + 2); + rtl_write_byte(rtlpriv, REG_MCUFWDL + 2, tmp & 0xf7); + } else { + tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL); + rtl_write_byte(rtlpriv, REG_MCUFWDL, tmp & 0xfe); + + rtl_write_byte(rtlpriv, REG_MCUFWDL + 1, 0x00); + } +} +EXPORT_SYMBOL_GPL(rtl8723_enable_fw_download); + +void rtl8723_write_fw(struct ieee80211_hw *hw, + enum version_8723e version, + u8 *buffer, u32 size, u8 max_page) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 *bufferptr = buffer; + u32 page_nums, remain_size; + u32 page, offset; + + rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, "FW size is %d bytes,\n", size); + + rtl_fill_dummy(bufferptr, &size); + + page_nums = size / FW_8192C_PAGE_SIZE; + remain_size = size % FW_8192C_PAGE_SIZE; + + if (page_nums > max_page) { + pr_err("Page numbers should not greater than %d\n", + max_page); + } + for (page = 0; page < page_nums; page++) { + offset = page * FW_8192C_PAGE_SIZE; + rtl_fw_page_write(hw, page, (bufferptr + offset), + FW_8192C_PAGE_SIZE); + } + + if (remain_size) { + offset = page_nums * FW_8192C_PAGE_SIZE; + page = page_nums; + rtl_fw_page_write(hw, page, (bufferptr + offset), remain_size); + } + rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, "FW write done.\n"); +} +EXPORT_SYMBOL_GPL(rtl8723_write_fw); + +void rtl8723ae_firmware_selfreset(struct ieee80211_hw *hw) +{ + u8 u1b_tmp; + u8 delay = 100; + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtl_write_byte(rtlpriv, REG_HMETFR + 3, 0x20); + u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1); + + while (u1b_tmp & BIT(2)) { + delay--; + if (delay == 0) + break; + udelay(50); + u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1); + } + if (delay == 0) { + u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1); + rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, + u1b_tmp&(~BIT(2))); + } +} +EXPORT_SYMBOL_GPL(rtl8723ae_firmware_selfreset); + +void rtl8723be_firmware_selfreset(struct ieee80211_hw *hw) +{ + u8 u1b_tmp; + struct rtl_priv *rtlpriv = rtl_priv(hw); + + u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1); + rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, (u1b_tmp & (~BIT(0)))); + + u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1); + rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, (u1b_tmp & (~BIT(2)))); + udelay(50); + + u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1); + rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, (u1b_tmp | BIT(0))); + + u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1); + rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, (u1b_tmp | BIT(2))); + + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "_8051Reset8723be(): 8051 reset success .\n"); +} +EXPORT_SYMBOL_GPL(rtl8723be_firmware_selfreset); + +int rtl8723_fw_free_to_go(struct ieee80211_hw *hw, bool is_8723be, + int max_count) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + int err = -EIO; + u32 counter = 0; + u32 value32; + + do { + value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL); + } while ((counter++ < max_count) && + (!(value32 & FWDL_CHKSUM_RPT))); + + if (counter >= max_count) { + pr_err("chksum report fail ! REG_MCUFWDL:0x%08x .\n", + value32); + goto exit; + } + value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL) | MCUFWDL_RDY; + value32 &= ~WINTINI_RDY; + rtl_write_dword(rtlpriv, REG_MCUFWDL, value32); + + if (is_8723be) + rtl8723be_firmware_selfreset(hw); + counter = 0; + + do { + value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL); + if (value32 & WINTINI_RDY) { + rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, + "Polling FW ready success!! REG_MCUFWDL:0x%08x .\n", + value32); + err = 0; + goto exit; + } + + mdelay(FW_8192C_POLLING_DELAY); + + } while (counter++ < max_count); + + pr_err("Polling FW ready fail!! REG_MCUFWDL:0x%08x .\n", + value32); + +exit: + return err; +} +EXPORT_SYMBOL_GPL(rtl8723_fw_free_to_go); + +int rtl8723_download_fw(struct ieee80211_hw *hw, + bool is_8723be, int max_count) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtlwifi_firmware_header *pfwheader; + u8 *pfwdata; + u32 fwsize; + int err; + enum version_8723e version = rtlhal->version; + int max_page; + + if (rtlpriv->max_fw_size == 0 || !rtlhal->pfirmware) + return 1; + + pfwheader = (struct rtlwifi_firmware_header *)rtlhal->pfirmware; + rtlhal->fw_version = le16_to_cpu(pfwheader->version); + rtlhal->fw_subversion = pfwheader->subversion; + pfwdata = rtlhal->pfirmware; + fwsize = rtlhal->fwsize; + + if (!is_8723be) + max_page = 6; + else + max_page = 8; + if (rtlpriv->cfg->ops->is_fw_header(pfwheader)) { + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, + "Firmware Version(%d), Signature(%#x), Size(%d)\n", + pfwheader->version, pfwheader->signature, + (int)sizeof(struct rtlwifi_firmware_header)); + + pfwdata = pfwdata + sizeof(struct rtlwifi_firmware_header); + fwsize = fwsize - sizeof(struct rtlwifi_firmware_header); + } + + if (rtl_read_byte(rtlpriv, REG_MCUFWDL)&BIT(7)) { + if (is_8723be) + rtl8723be_firmware_selfreset(hw); + else + rtl8723ae_firmware_selfreset(hw); + rtl_write_byte(rtlpriv, REG_MCUFWDL, 0x00); + } + rtl8723_enable_fw_download(hw, true); + rtl8723_write_fw(hw, version, pfwdata, fwsize, max_page); + rtl8723_enable_fw_download(hw, false); + + err = rtl8723_fw_free_to_go(hw, is_8723be, max_count); + if (err) + pr_err("Firmware is not ready to run!\n"); + return 0; +} +EXPORT_SYMBOL_GPL(rtl8723_download_fw); + +bool rtl8723_cmd_send_packet(struct ieee80211_hw *hw, + struct sk_buff *skb) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); + struct rtl8192_tx_ring *ring; + struct rtl_tx_desc *pdesc; + struct sk_buff *pskb = NULL; + unsigned long flags; + + ring = &rtlpci->tx_ring[BEACON_QUEUE]; + + pskb = __skb_dequeue(&ring->queue); + kfree_skb(pskb); + spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); + + pdesc = &ring->desc[0]; + rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); + + __skb_queue_tail(&ring->queue, skb); + + spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); + + rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); + + return true; +} +EXPORT_SYMBOL_GPL(rtl8723_cmd_send_packet); |