diff options
Diffstat (limited to 'drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c')
| -rw-r--r-- | drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c | 238 |
1 files changed, 108 insertions, 130 deletions
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c index b74c65a1762c..e51b2d13eab4 100644 --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c @@ -5,83 +5,66 @@ */ #include "phy-mtk-hdmi.h" +#include "phy-mtk-io.h" #define HDMI_CON0 0x00 -#define RG_HDMITX_DRV_IBIAS 0 -#define RG_HDMITX_DRV_IBIAS_MASK (0x3f << 0) -#define RG_HDMITX_EN_SER 12 -#define RG_HDMITX_EN_SER_MASK (0x0f << 12) -#define RG_HDMITX_EN_SLDO 16 -#define RG_HDMITX_EN_SLDO_MASK (0x0f << 16) -#define RG_HDMITX_EN_PRED 20 -#define RG_HDMITX_EN_PRED_MASK (0x0f << 20) -#define RG_HDMITX_EN_IMP 24 -#define RG_HDMITX_EN_IMP_MASK (0x0f << 24) -#define RG_HDMITX_EN_DRV 28 -#define RG_HDMITX_EN_DRV_MASK (0x0f << 28) +#define RG_HDMITX_DRV_IBIAS_MASK GENMASK(5, 0) +#define RG_HDMITX_EN_SER_MASK GENMASK(15, 12) +#define RG_HDMITX_EN_SLDO_MASK GENMASK(19, 16) +#define RG_HDMITX_EN_PRED_MASK GENMASK(23, 20) +#define RG_HDMITX_EN_IMP_MASK GENMASK(27, 24) +#define RG_HDMITX_EN_DRV_MASK GENMASK(31, 28) #define HDMI_CON1 0x04 -#define RG_HDMITX_PRED_IBIAS 18 -#define RG_HDMITX_PRED_IBIAS_MASK (0x0f << 18) -#define RG_HDMITX_PRED_IMP (0x01 << 22) -#define RG_HDMITX_DRV_IMP 26 -#define RG_HDMITX_DRV_IMP_MASK (0x3f << 26) +#define RG_HDMITX_PRED_IBIAS_MASK GENMASK(21, 18) +#define RG_HDMITX_PRED_IMP BIT(22) +#define RG_HDMITX_DRV_IMP_MASK GENMASK(31, 26) #define HDMI_CON2 0x08 -#define RG_HDMITX_EN_TX_CKLDO (0x01 << 0) -#define RG_HDMITX_EN_TX_POSDIV (0x01 << 1) -#define RG_HDMITX_TX_POSDIV 3 -#define RG_HDMITX_TX_POSDIV_MASK (0x03 << 3) -#define RG_HDMITX_EN_MBIAS (0x01 << 6) -#define RG_HDMITX_MBIAS_LPF_EN (0x01 << 7) +#define RG_HDMITX_EN_TX_CKLDO BIT(0) +#define RG_HDMITX_EN_TX_POSDIV BIT(1) +#define RG_HDMITX_TX_POSDIV_MASK GENMASK(4, 3) +#define RG_HDMITX_EN_MBIAS BIT(6) +#define RG_HDMITX_MBIAS_LPF_EN BIT(7) #define HDMI_CON4 0x10 -#define RG_HDMITX_RESERVE_MASK (0xffffffff << 0) +#define RG_HDMITX_RESERVE_MASK GENMASK(31, 0) #define HDMI_CON6 0x18 -#define RG_HTPLL_BR 0 -#define RG_HTPLL_BR_MASK (0x03 << 0) -#define RG_HTPLL_BC 2 -#define RG_HTPLL_BC_MASK (0x03 << 2) -#define RG_HTPLL_BP 4 -#define RG_HTPLL_BP_MASK (0x0f << 4) -#define RG_HTPLL_IR 8 -#define RG_HTPLL_IR_MASK (0x0f << 8) -#define RG_HTPLL_IC 12 -#define RG_HTPLL_IC_MASK (0x0f << 12) -#define RG_HTPLL_POSDIV 16 -#define RG_HTPLL_POSDIV_MASK (0x03 << 16) -#define RG_HTPLL_PREDIV 18 -#define RG_HTPLL_PREDIV_MASK (0x03 << 18) -#define RG_HTPLL_FBKSEL 20 -#define RG_HTPLL_FBKSEL_MASK (0x03 << 20) -#define RG_HTPLL_RLH_EN (0x01 << 22) -#define RG_HTPLL_FBKDIV 24 -#define RG_HTPLL_FBKDIV_MASK (0x7f << 24) -#define RG_HTPLL_EN (0x01 << 31) +#define RG_HTPLL_BR_MASK GENMASK(1, 0) +#define RG_HTPLL_BC_MASK GENMASK(3, 2) +#define RG_HTPLL_BP_MASK GENMASK(7, 4) +#define RG_HTPLL_IR_MASK GENMASK(11, 8) +#define RG_HTPLL_IC_MASK GENMASK(15, 12) +#define RG_HTPLL_POSDIV_MASK GENMASK(17, 16) +#define RG_HTPLL_PREDIV_MASK GENMASK(19, 18) +#define RG_HTPLL_FBKSEL_MASK GENMASK(21, 20) +#define RG_HTPLL_RLH_EN BIT(22) +#define RG_HTPLL_FBKDIV_MASK GENMASK(30, 24) +#define RG_HTPLL_EN BIT(31) #define HDMI_CON7 0x1c -#define RG_HTPLL_AUTOK_EN (0x01 << 23) -#define RG_HTPLL_DIVEN 28 -#define RG_HTPLL_DIVEN_MASK (0x07 << 28) +#define RG_HTPLL_AUTOK_EN BIT(23) +#define RG_HTPLL_DIVEN_MASK GENMASK(30, 28) static int mtk_hdmi_pll_prepare(struct clk_hw *hw) { struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + void __iomem *base = hdmi_phy->regs; - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS); + mtk_phy_set_bits(base + HDMI_CON7, RG_HTPLL_AUTOK_EN); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_RLH_EN); + mtk_phy_set_bits(base + HDMI_CON6, RG_HTPLL_POSDIV_MASK); + mtk_phy_set_bits(base + HDMI_CON2, RG_HDMITX_EN_MBIAS); usleep_range(80, 100); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); + mtk_phy_set_bits(base + HDMI_CON6, RG_HTPLL_EN); + mtk_phy_set_bits(base + HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); usleep_range(80, 100); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); + mtk_phy_set_bits(base + HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_SER_MASK); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_PRED_MASK); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_DRV_MASK); usleep_range(80, 100); return 0; } @@ -89,20 +72,21 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw) static void mtk_hdmi_pll_unprepare(struct clk_hw *hw) { struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + void __iomem *base = hdmi_phy->regs; - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_DRV_MASK); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_PRED_MASK); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_SER_MASK); + mtk_phy_clear_bits(base + HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); usleep_range(80, 100); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); + mtk_phy_clear_bits(base + HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_EN); usleep_range(80, 100); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN); + mtk_phy_clear_bits(base + HDMI_CON2, RG_HDMITX_EN_MBIAS); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_POSDIV_MASK); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_RLH_EN); + mtk_phy_clear_bits(base + HDMI_CON7, RG_HTPLL_AUTOK_EN); usleep_range(80, 100); } @@ -116,6 +100,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + void __iomem *base = hdmi_phy->regs; u32 pos_div; if (rate <= 64000000) @@ -125,37 +110,25 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, else pos_div = 1; - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC), - RG_HTPLL_IC_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR), - RG_HTPLL_IR_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON2, (pos_div << RG_HDMITX_TX_POSDIV), - RG_HDMITX_TX_POSDIV_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (1 << RG_HTPLL_FBKSEL), - RG_HTPLL_FBKSEL_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (19 << RG_HTPLL_FBKDIV), - RG_HTPLL_FBKDIV_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON7, (0x2 << RG_HTPLL_DIVEN), - RG_HTPLL_DIVEN_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0xc << RG_HTPLL_BP), - RG_HTPLL_BP_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x2 << RG_HTPLL_BC), - RG_HTPLL_BC_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_BR), - RG_HTPLL_BR_MASK); - - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PRED_IMP); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, (0x3 << RG_HDMITX_PRED_IBIAS), - RG_HDMITX_PRED_IBIAS_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_IMP_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, (0x28 << RG_HDMITX_DRV_IMP), - RG_HDMITX_DRV_IMP_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON4, 0x28, RG_HDMITX_RESERVE_MASK); - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0, (0xa << RG_HDMITX_DRV_IBIAS), - RG_HDMITX_DRV_IBIAS_MASK); + mtk_phy_set_bits(base + HDMI_CON6, RG_HTPLL_PREDIV_MASK); + mtk_phy_set_bits(base + HDMI_CON6, RG_HTPLL_POSDIV_MASK); + mtk_phy_set_bits(base + HDMI_CON2, RG_HDMITX_EN_TX_POSDIV); + mtk_phy_update_field(base + HDMI_CON6, RG_HTPLL_IC_MASK, 0x1); + mtk_phy_update_field(base + HDMI_CON6, RG_HTPLL_IR_MASK, 0x1); + mtk_phy_update_field(base + HDMI_CON2, RG_HDMITX_TX_POSDIV_MASK, pos_div); + mtk_phy_update_field(base + HDMI_CON6, RG_HTPLL_FBKSEL_MASK, 1); + mtk_phy_update_field(base + HDMI_CON6, RG_HTPLL_FBKDIV_MASK, 19); + mtk_phy_update_field(base + HDMI_CON7, RG_HTPLL_DIVEN_MASK, 0x2); + mtk_phy_update_field(base + HDMI_CON6, RG_HTPLL_BP_MASK, 0xc); + mtk_phy_update_field(base + HDMI_CON6, RG_HTPLL_BC_MASK, 0x2); + mtk_phy_update_field(base + HDMI_CON6, RG_HTPLL_BR_MASK, 0x1); + + mtk_phy_clear_bits(base + HDMI_CON1, RG_HDMITX_PRED_IMP); + mtk_phy_update_field(base + HDMI_CON1, RG_HDMITX_PRED_IBIAS_MASK, 0x3); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_IMP_MASK); + mtk_phy_update_field(base + HDMI_CON1, RG_HDMITX_DRV_IMP_MASK, 0x28); + mtk_phy_update_field(base + HDMI_CON4, RG_HDMITX_RESERVE_MASK, 0x28); + mtk_phy_update_field(base + HDMI_CON0, RG_HDMITX_DRV_IBIAS_MASK, 0xa); return 0; } @@ -164,9 +137,10 @@ static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw, { struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); unsigned long out_rate, val; + u32 tmp; - val = (readl(hdmi_phy->regs + HDMI_CON6) - & RG_HTPLL_PREDIV_MASK) >> RG_HTPLL_PREDIV; + tmp = readl(hdmi_phy->regs + HDMI_CON6); + val = FIELD_GET(RG_HTPLL_PREDIV_MASK, tmp); switch (val) { case 0x00: out_rate = parent_rate; @@ -179,14 +153,14 @@ static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw, break; } - val = (readl(hdmi_phy->regs + HDMI_CON6) - & RG_HTPLL_FBKDIV_MASK) >> RG_HTPLL_FBKDIV; + val = FIELD_GET(RG_HTPLL_FBKDIV_MASK, tmp); out_rate *= (val + 1) * 2; - val = (readl(hdmi_phy->regs + HDMI_CON2) - & RG_HDMITX_TX_POSDIV_MASK); - out_rate >>= (val >> RG_HDMITX_TX_POSDIV); - if (readl(hdmi_phy->regs + HDMI_CON2) & RG_HDMITX_EN_TX_POSDIV) + tmp = readl(hdmi_phy->regs + HDMI_CON2); + val = FIELD_GET(RG_HDMITX_TX_POSDIV_MASK, tmp); + out_rate >>= val; + + if (tmp & RG_HDMITX_EN_TX_POSDIV) out_rate /= 5; return out_rate; @@ -202,37 +176,41 @@ static const struct clk_ops mtk_hdmi_phy_pll_ops = { static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy) { - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS); + void __iomem *base = hdmi_phy->regs; + + mtk_phy_set_bits(base + HDMI_CON7, RG_HTPLL_AUTOK_EN); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_RLH_EN); + mtk_phy_set_bits(base + HDMI_CON6, RG_HTPLL_POSDIV_MASK); + mtk_phy_set_bits(base + HDMI_CON2, RG_HDMITX_EN_MBIAS); usleep_range(80, 100); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); + mtk_phy_set_bits(base + HDMI_CON6, RG_HTPLL_EN); + mtk_phy_set_bits(base + HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); usleep_range(80, 100); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); + mtk_phy_set_bits(base + HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_SER_MASK); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_PRED_MASK); + mtk_phy_set_bits(base + HDMI_CON0, RG_HDMITX_EN_DRV_MASK); usleep_range(80, 100); } static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy) { - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); + void __iomem *base = hdmi_phy->regs; + + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_DRV_MASK); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_PRED_MASK); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_SER_MASK); + mtk_phy_clear_bits(base + HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); usleep_range(80, 100); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN); + mtk_phy_clear_bits(base + HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); + mtk_phy_clear_bits(base + HDMI_CON2, RG_HDMITX_EN_TX_CKLDO); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_EN); usleep_range(80, 100); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN); + mtk_phy_clear_bits(base + HDMI_CON2, RG_HDMITX_EN_MBIAS); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_POSDIV_MASK); + mtk_phy_clear_bits(base + HDMI_CON6, RG_HTPLL_RLH_EN); + mtk_phy_clear_bits(base + HDMI_CON7, RG_HTPLL_AUTOK_EN); usleep_range(80, 100); } |