diff options
Diffstat (limited to 'package/kernel/mac80211/patches/655-rtl8xxxu-Implement-8192e-specific-power-down-sequenc.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/655-rtl8xxxu-Implement-8192e-specific-power-down-sequenc.patch | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/package/kernel/mac80211/patches/655-rtl8xxxu-Implement-8192e-specific-power-down-sequenc.patch b/package/kernel/mac80211/patches/655-rtl8xxxu-Implement-8192e-specific-power-down-sequenc.patch deleted file mode 100644 index 8dcced6cb2..0000000000 --- a/package/kernel/mac80211/patches/655-rtl8xxxu-Implement-8192e-specific-power-down-sequenc.patch +++ /dev/null @@ -1,192 +0,0 @@ -From f1785fbf7c0bc17211c299a647ebc38968a42181 Mon Sep 17 00:00:00 2001 -From: Jes Sorensen <Jes.Sorensen@redhat.com> -Date: Tue, 13 Sep 2016 15:03:15 -0400 -Subject: [PATCH] rtl8xxxu: Implement 8192e specific power down sequence - -This powers down the 8192e correctly, or at least to the point where -the firmware will load again, when reloading the driver module. - -Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c | 144 ++++++++++++++++++++- - .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 1 + - 2 files changed, 144 insertions(+), 1 deletion(-) - ---- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c -+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c -@@ -1396,6 +1396,114 @@ exit: - return ret; - } - -+static int rtl8192eu_active_to_lps(struct rtl8xxxu_priv *priv) -+{ -+ struct device *dev = &priv->udev->dev; -+ u8 val8; -+ u16 val16; -+ u32 val32; -+ int retry, retval; -+ -+ rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); -+ -+ retry = 100; -+ retval = -EBUSY; -+ /* -+ * Poll 32 bit wide 0x05f8 for 0x00000000 to ensure no TX is pending. -+ */ -+ do { -+ val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD); -+ if (!val32) { -+ retval = 0; -+ break; -+ } -+ } while (retry--); -+ -+ if (!retry) { -+ dev_warn(dev, "Failed to flush TX queue\n"); -+ retval = -EBUSY; -+ goto out; -+ } -+ -+ /* Disable CCK and OFDM, clock gated */ -+ val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); -+ val8 &= ~SYS_FUNC_BBRSTB; -+ rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); -+ -+ udelay(2); -+ -+ /* Reset whole BB */ -+ val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); -+ val8 &= ~SYS_FUNC_BB_GLB_RSTN; -+ rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); -+ -+ /* Reset MAC TRX */ -+ val16 = rtl8xxxu_read16(priv, REG_CR); -+ val16 &= 0xff00; -+ val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE); -+ rtl8xxxu_write16(priv, REG_CR, val16); -+ -+ val16 = rtl8xxxu_read16(priv, REG_CR); -+ val16 &= ~CR_SECURITY_ENABLE; -+ rtl8xxxu_write16(priv, REG_CR, val16); -+ -+ val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST); -+ val8 |= DUAL_TSF_TX_OK; -+ rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8); -+ -+out: -+ return retval; -+} -+ -+static int rtl8192eu_active_to_emu(struct rtl8xxxu_priv *priv) -+{ -+ u8 val8; -+ int count, ret = 0; -+ -+ /* Turn off RF */ -+ rtl8xxxu_write8(priv, REG_RF_CTRL, 0); -+ -+ /* Switch DPDT_SEL_P output from register 0x65[2] */ -+ val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); -+ val8 &= ~LEDCFG2_DPDT_SELECT; -+ rtl8xxxu_write8(priv, REG_LEDCFG2, val8); -+ -+ /* 0x0005[1] = 1 turn off MAC by HW state machine*/ -+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); -+ val8 |= BIT(1); -+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); -+ -+ for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { -+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); -+ if ((val8 & BIT(1)) == 0) -+ break; -+ udelay(10); -+ } -+ -+ if (!count) { -+ dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n", -+ __func__); -+ ret = -EBUSY; -+ goto exit; -+ } -+ -+exit: -+ return ret; -+} -+ -+static int rtl8192eu_emu_to_disabled(struct rtl8xxxu_priv *priv) -+{ -+ u8 val8; -+ -+ /* 0x04[12:11] = 01 enable WL suspend */ -+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); -+ val8 &= ~(BIT(3) | BIT(4)); -+ val8 |= BIT(3); -+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); -+ -+ return 0; -+} -+ - static int rtl8192eu_power_on(struct rtl8xxxu_priv *priv) - { - u16 val16; -@@ -1446,6 +1554,40 @@ exit: - return ret; - } - -+void rtl8192eu_power_off(struct rtl8xxxu_priv *priv) -+{ -+ u8 val8; -+ u16 val16; -+ -+ rtl8xxxu_flush_fifo(priv); -+ -+ val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); -+ val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE; -+ rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); -+ -+ /* Turn off RF */ -+ rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00); -+ -+ rtl8192eu_active_to_lps(priv); -+ -+ /* Reset Firmware if running in RAM */ -+ if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) -+ rtl8xxxu_firmware_self_reset(priv); -+ -+ /* Reset MCU */ -+ val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); -+ val16 &= ~SYS_FUNC_CPU_ENABLE; -+ rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); -+ -+ /* Reset MCU ready status */ -+ rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); -+ -+ rtl8xxxu_reset_8051(priv); -+ -+ rtl8192eu_active_to_emu(priv); -+ rtl8192eu_emu_to_disabled(priv); -+} -+ - static void rtl8192e_enable_rf(struct rtl8xxxu_priv *priv) - { - u32 val32; -@@ -1487,7 +1629,7 @@ struct rtl8xxxu_fileops rtl8192eu_fops = - .parse_efuse = rtl8192eu_parse_efuse, - .load_firmware = rtl8192eu_load_firmware, - .power_on = rtl8192eu_power_on, -- .power_off = rtl8xxxu_power_off, -+ .power_off = rtl8192eu_power_off, - .reset_8051 = rtl8xxxu_reset_8051, - .llt_init = rtl8xxxu_auto_llt_table, - .init_phy_bb = rtl8192eu_init_phy_bb, ---- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h -+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h -@@ -676,6 +676,7 @@ - #define REG_SCH_TXCMD 0x05d0 - - /* define REG_FW_TSF_SYNC_CNT 0x04a0 */ -+#define REG_SCH_TX_CMD 0x05f8 - #define REG_FW_RESET_TSF_CNT_1 0x05fc - #define REG_FW_RESET_TSF_CNT_0 0x05fd - #define REG_FW_BCN_DIS_CNT 0x05fe |