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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8192d/fw_common.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192d/fw_common.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8192d/fw_common.c369
1 files changed, 369 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192d/fw_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192d/fw_common.c
new file mode 100644
index 000000000000..73cfa9ad78ae
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192d/fw_common.c
@@ -0,0 +1,369 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "../pci.h"
+#include "../base.h"
+#include "../efuse.h"
+#include "def.h"
+#include "reg.h"
+#include "fw_common.h"
+
+bool rtl92d_is_fw_downloaded(struct rtl_priv *rtlpriv)
+{
+ return (rtl_read_dword(rtlpriv, REG_MCUFWDL) & MCUFWDL_RDY) ?
+ true : false;
+}
+EXPORT_SYMBOL_GPL(rtl92d_is_fw_downloaded);
+
+void rtl92d_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);
+ /* Reserved for fw extension.
+ * 0x81[7] is used for mac0 status ,
+ * so don't write this reg here
+ * rtl_write_byte(rtlpriv, REG_MCUFWDL + 1, 0x00);
+ */
+ }
+}
+EXPORT_SYMBOL_GPL(rtl92d_enable_fw_download);
+
+void rtl92d_write_fw(struct ieee80211_hw *hw,
+ enum version_8192d version, u8 *buffer, u32 size)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ u8 *bufferptr = buffer;
+ u32 pagenums, remainsize;
+ u32 page, offset;
+
+ rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, "FW size is %d bytes,\n", size);
+ if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192DE)
+ rtl_fill_dummy(bufferptr, &size);
+ pagenums = size / FW_8192D_PAGE_SIZE;
+ remainsize = size % FW_8192D_PAGE_SIZE;
+ if (pagenums > 8)
+ pr_err("Page numbers should not greater then 8\n");
+ for (page = 0; page < pagenums; page++) {
+ offset = page * FW_8192D_PAGE_SIZE;
+ rtl_fw_page_write(hw, page, (bufferptr + offset),
+ FW_8192D_PAGE_SIZE);
+ }
+ if (remainsize) {
+ offset = pagenums * FW_8192D_PAGE_SIZE;
+ page = pagenums;
+ rtl_fw_page_write(hw, page, (bufferptr + offset), remainsize);
+ }
+}
+EXPORT_SYMBOL_GPL(rtl92d_write_fw);
+
+int rtl92d_fw_free_to_go(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 counter = 0;
+ u32 value32;
+
+ do {
+ value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL);
+ } while ((counter++ < FW_8192D_POLLING_TIMEOUT_COUNT) &&
+ (!(value32 & FWDL_CHKSUM_RPT)));
+ if (counter >= FW_8192D_POLLING_TIMEOUT_COUNT) {
+ pr_err("chksum report fail! REG_MCUFWDL:0x%08x\n",
+ value32);
+ return -EIO;
+ }
+ value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL);
+ value32 |= MCUFWDL_RDY;
+ rtl_write_dword(rtlpriv, REG_MCUFWDL, value32);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rtl92d_fw_free_to_go);
+
+void rtl92d_firmware_selfreset(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 u1b_tmp;
+ u8 delay = 100;
+
+ /* Set (REG_HMETFR + 3) to 0x20 is reset 8051 */
+ 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);
+ }
+ WARN_ONCE((delay <= 0), "rtl8192de: 8051 reset failed!\n");
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG,
+ "=====> 8051 reset success (%d)\n", delay);
+}
+EXPORT_SYMBOL_GPL(rtl92d_firmware_selfreset);
+
+int rtl92d_fw_init(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ u32 counter;
+
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG, "FW already have download\n");
+ /* polling for FW ready */
+ counter = 0;
+ do {
+ if (rtlhal->interfaceindex == 0) {
+ if (rtl_read_byte(rtlpriv, FW_MAC0_READY) &
+ MAC0_READY) {
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG,
+ "Polling FW ready success!! REG_MCUFWDL: 0x%x\n",
+ rtl_read_byte(rtlpriv,
+ FW_MAC0_READY));
+ return 0;
+ }
+ udelay(5);
+ } else {
+ if (rtl_read_byte(rtlpriv, FW_MAC1_READY) &
+ MAC1_READY) {
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG,
+ "Polling FW ready success!! REG_MCUFWDL: 0x%x\n",
+ rtl_read_byte(rtlpriv,
+ FW_MAC1_READY));
+ return 0;
+ }
+ udelay(5);
+ }
+ } while (counter++ < POLLING_READY_TIMEOUT_COUNT);
+
+ if (rtlhal->interfaceindex == 0) {
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG,
+ "Polling FW ready fail!! MAC0 FW init not ready: 0x%x\n",
+ rtl_read_byte(rtlpriv, FW_MAC0_READY));
+ } else {
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG,
+ "Polling FW ready fail!! MAC1 FW init not ready: 0x%x\n",
+ rtl_read_byte(rtlpriv, FW_MAC1_READY));
+ }
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG,
+ "Polling FW ready fail!! REG_MCUFWDL:0x%08x\n",
+ rtl_read_dword(rtlpriv, REG_MCUFWDL));
+ return -1;
+}
+EXPORT_SYMBOL_GPL(rtl92d_fw_init);
+
+static bool _rtl92d_check_fw_read_last_h2c(struct ieee80211_hw *hw, u8 boxnum)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 val_hmetfr;
+ bool result = false;
+
+ val_hmetfr = rtl_read_byte(rtlpriv, REG_HMETFR);
+ if (((val_hmetfr >> boxnum) & BIT(0)) == 0)
+ result = true;
+ return result;
+}
+
+static void _rtl92d_fill_h2c_command(struct ieee80211_hw *hw,
+ u8 element_id, u32 cmd_len, u8 *cmdbuffer)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+ u8 boxnum;
+ u16 box_reg = 0, box_extreg = 0;
+ u8 u1b_tmp;
+ bool isfw_read = false;
+ u8 buf_index = 0;
+ bool bwrite_success = false;
+ u8 wait_h2c_limmit = 100;
+ u8 wait_writeh2c_limmit = 100;
+ u8 boxcontent[4], boxextcontent[2];
+ u32 h2c_waitcounter = 0;
+ unsigned long flag;
+ u8 idx;
+
+ if (ppsc->rfpwr_state == ERFOFF || ppsc->inactive_pwrstate == ERFOFF) {
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "Return as RF is off!!!\n");
+ return;
+ }
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD, "come in\n");
+ while (true) {
+ spin_lock_irqsave(&rtlpriv->locks.h2c_lock, flag);
+ if (rtlhal->h2c_setinprogress) {
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "H2C set in progress! Wait to set..element_id(%d)\n",
+ element_id);
+
+ while (rtlhal->h2c_setinprogress) {
+ spin_unlock_irqrestore(&rtlpriv->locks.h2c_lock,
+ flag);
+ h2c_waitcounter++;
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "Wait 100 us (%d times)...\n",
+ h2c_waitcounter);
+ udelay(100);
+
+ if (h2c_waitcounter > 1000)
+ return;
+
+ spin_lock_irqsave(&rtlpriv->locks.h2c_lock,
+ flag);
+ }
+ spin_unlock_irqrestore(&rtlpriv->locks.h2c_lock, flag);
+ } else {
+ rtlhal->h2c_setinprogress = true;
+ spin_unlock_irqrestore(&rtlpriv->locks.h2c_lock, flag);
+ break;
+ }
+ }
+ while (!bwrite_success) {
+ wait_writeh2c_limmit--;
+ if (wait_writeh2c_limmit == 0) {
+ pr_err("Write H2C fail because no trigger for FW INT!\n");
+ break;
+ }
+ boxnum = rtlhal->last_hmeboxnum;
+ switch (boxnum) {
+ case 0:
+ box_reg = REG_HMEBOX_0;
+ box_extreg = REG_HMEBOX_EXT_0;
+ break;
+ case 1:
+ box_reg = REG_HMEBOX_1;
+ box_extreg = REG_HMEBOX_EXT_1;
+ break;
+ case 2:
+ box_reg = REG_HMEBOX_2;
+ box_extreg = REG_HMEBOX_EXT_2;
+ break;
+ case 3:
+ box_reg = REG_HMEBOX_3;
+ box_extreg = REG_HMEBOX_EXT_3;
+ break;
+ default:
+ pr_err("switch case %#x not processed\n",
+ boxnum);
+ break;
+ }
+ isfw_read = _rtl92d_check_fw_read_last_h2c(hw, boxnum);
+ while (!isfw_read) {
+ wait_h2c_limmit--;
+ if (wait_h2c_limmit == 0) {
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "Waiting too long for FW read clear HMEBox(%d)!\n",
+ boxnum);
+ break;
+ }
+ udelay(10);
+ isfw_read = _rtl92d_check_fw_read_last_h2c(hw, boxnum);
+ u1b_tmp = rtl_read_byte(rtlpriv, 0x1BF);
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "Waiting for FW read clear HMEBox(%d)!!! 0x1BF = %2x\n",
+ boxnum, u1b_tmp);
+ }
+ if (!isfw_read) {
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "Write H2C register BOX[%d] fail!!!!! Fw do not read.\n",
+ boxnum);
+ break;
+ }
+ memset(boxcontent, 0, sizeof(boxcontent));
+ memset(boxextcontent, 0, sizeof(boxextcontent));
+ boxcontent[0] = element_id;
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "Write element_id box_reg(%4x) = %2x\n",
+ box_reg, element_id);
+ switch (cmd_len) {
+ case 1:
+ boxcontent[0] &= ~(BIT(7));
+ memcpy(boxcontent + 1, cmdbuffer + buf_index, 1);
+ for (idx = 0; idx < 4; idx++)
+ rtl_write_byte(rtlpriv, box_reg + idx,
+ boxcontent[idx]);
+ break;
+ case 2:
+ boxcontent[0] &= ~(BIT(7));
+ memcpy(boxcontent + 1, cmdbuffer + buf_index, 2);
+ for (idx = 0; idx < 4; idx++)
+ rtl_write_byte(rtlpriv, box_reg + idx,
+ boxcontent[idx]);
+ break;
+ case 3:
+ boxcontent[0] &= ~(BIT(7));
+ memcpy(boxcontent + 1, cmdbuffer + buf_index, 3);
+ for (idx = 0; idx < 4; idx++)
+ rtl_write_byte(rtlpriv, box_reg + idx,
+ boxcontent[idx]);
+ break;
+ case 4:
+ boxcontent[0] |= (BIT(7));
+ memcpy(boxextcontent, cmdbuffer + buf_index, 2);
+ memcpy(boxcontent + 1, cmdbuffer + buf_index + 2, 2);
+ for (idx = 0; idx < 2; idx++)
+ rtl_write_byte(rtlpriv, box_extreg + idx,
+ boxextcontent[idx]);
+ for (idx = 0; idx < 4; idx++)
+ rtl_write_byte(rtlpriv, box_reg + idx,
+ boxcontent[idx]);
+ break;
+ case 5:
+ boxcontent[0] |= (BIT(7));
+ memcpy(boxextcontent, cmdbuffer + buf_index, 2);
+ memcpy(boxcontent + 1, cmdbuffer + buf_index + 2, 3);
+ for (idx = 0; idx < 2; idx++)
+ rtl_write_byte(rtlpriv, box_extreg + idx,
+ boxextcontent[idx]);
+ for (idx = 0; idx < 4; idx++)
+ rtl_write_byte(rtlpriv, box_reg + idx,
+ boxcontent[idx]);
+ break;
+ default:
+ pr_err("switch case %#x not processed\n",
+ cmd_len);
+ break;
+ }
+ bwrite_success = true;
+ rtlhal->last_hmeboxnum = boxnum + 1;
+ if (rtlhal->last_hmeboxnum == 4)
+ rtlhal->last_hmeboxnum = 0;
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD,
+ "pHalData->last_hmeboxnum = %d\n",
+ rtlhal->last_hmeboxnum);
+ }
+ spin_lock_irqsave(&rtlpriv->locks.h2c_lock, flag);
+ rtlhal->h2c_setinprogress = false;
+ spin_unlock_irqrestore(&rtlpriv->locks.h2c_lock, flag);
+ rtl_dbg(rtlpriv, COMP_CMD, DBG_LOUD, "go out\n");
+}
+
+void rtl92d_fill_h2c_cmd(struct ieee80211_hw *hw,
+ u8 element_id, u32 cmd_len, u8 *cmdbuffer)
+{
+ u32 tmp_cmdbuf[2];
+
+ memset(tmp_cmdbuf, 0, 8);
+ memcpy(tmp_cmdbuf, cmdbuffer, cmd_len);
+ _rtl92d_fill_h2c_command(hw, element_id, cmd_len, (u8 *)&tmp_cmdbuf);
+}
+EXPORT_SYMBOL_GPL(rtl92d_fill_h2c_cmd);
+
+void rtl92d_set_fw_joinbss_report_cmd(struct ieee80211_hw *hw, u8 mstatus)
+{
+ u8 u1_joinbssrpt_parm[1] = {0};
+
+ u1_joinbssrpt_parm[0] = mstatus;
+ rtl92d_fill_h2c_cmd(hw, H2C_JOINBSSRPT, 1, u1_joinbssrpt_parm);
+}
+EXPORT_SYMBOL_GPL(rtl92d_set_fw_joinbss_report_cmd);
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-01 09:03:37 +0300