[PATCH 07/18] phy: mediatek: hdmi: mt2701: use FIELD_PREP to prepare bits field

Chunfeng Yun
2022-09-20T09:14:01Z

Use FIELD_PREP() macro to prepare bits field value, then no need define
macros of bits offset.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c | 60 ++++++++--------------
1 file changed, 21 insertions(+), 39 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
index ce36f37c698d..af6e8ed348cb 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
@@ -7,30 +7,21 @@
#include "phy-mtk-hdmi.h"

#define HDMI_CON0 0x00
-#define RG_HDMITX_DRV_IBIAS 0
#define RG_HDMITX_DRV_IBIAS_MASK GENMASK(5, 0)
-#define RG_HDMITX_EN_SER 12
#define RG_HDMITX_EN_SER_MASK GENMASK(15, 12)
-#define RG_HDMITX_EN_SLDO 16
#define RG_HDMITX_EN_SLDO_MASK GENMASK(19, 16)
-#define RG_HDMITX_EN_PRED 20
#define RG_HDMITX_EN_PRED_MASK GENMASK(23, 20)
-#define RG_HDMITX_EN_IMP 24
#define RG_HDMITX_EN_IMP_MASK GENMASK(27, 24)
-#define RG_HDMITX_EN_DRV 28
#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 GENMASK(21, 18)
#define RG_HDMITX_PRED_IMP BIT(22)
-#define RG_HDMITX_DRV_IMP 26
#define RG_HDMITX_DRV_IMP_MASK GENMASK(31, 26)

#define HDMI_CON2 0x08
#define RG_HDMITX_EN_TX_CKLDO BIT(0)
#define RG_HDMITX_EN_TX_POSDIV BIT(1)
-#define RG_HDMITX_TX_POSDIV 3
#define RG_HDMITX_TX_POSDIV_MASK GENMASK(4, 3)
#define RG_HDMITX_EN_MBIAS BIT(6)
#define RG_HDMITX_MBIAS_LPF_EN BIT(7)
@@ -39,30 +30,20 @@
#define RG_HDMITX_RESERVE_MASK GENMASK(31, 0)

#define HDMI_CON6 0x18
-#define RG_HTPLL_BR 0
#define RG_HTPLL_BR_MASK GENMASK(1, 0)
-#define RG_HTPLL_BC 2
#define RG_HTPLL_BC_MASK GENMASK(3, 2)
-#define RG_HTPLL_BP 4
#define RG_HTPLL_BP_MASK GENMASK(7, 4)
-#define RG_HTPLL_IR 8
#define RG_HTPLL_IR_MASK GENMASK(11, 8)
-#define RG_HTPLL_IC 12
#define RG_HTPLL_IC_MASK GENMASK(15, 12)
-#define RG_HTPLL_POSDIV 16
#define RG_HTPLL_POSDIV_MASK GENMASK(17, 16)
-#define RG_HTPLL_PREDIV 18
#define RG_HTPLL_PREDIV_MASK GENMASK(19, 18)
-#define RG_HTPLL_FBKSEL 20
#define RG_HTPLL_FBKSEL_MASK GENMASK(21, 20)
#define RG_HTPLL_RLH_EN BIT(22)
-#define RG_HTPLL_FBKDIV 24
#define RG_HTPLL_FBKDIV_MASK GENMASK(30, 24)
#define RG_HTPLL_EN BIT(31)

#define HDMI_CON7 0x1c
#define RG_HTPLL_AUTOK_EN BIT(23)
-#define RG_HTPLL_DIVEN 28
#define RG_HTPLL_DIVEN_MASK GENMASK(30, 28)

static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
@@ -128,33 +109,33 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
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),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, FIELD_PREP(RG_HTPLL_IC_MASK, 0x1),
RG_HTPLL_IC_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, FIELD_PREP(RG_HTPLL_IR_MASK, 0x1),
RG_HTPLL_IR_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON2, (pos_div << RG_HDMITX_TX_POSDIV),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON2, FIELD_PREP(RG_HDMITX_TX_POSDIV_MASK, pos_div),
RG_HDMITX_TX_POSDIV_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (1 << RG_HTPLL_FBKSEL),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, FIELD_PREP(RG_HTPLL_FBKSEL_MASK, 1),
RG_HTPLL_FBKSEL_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (19 << RG_HTPLL_FBKDIV),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, FIELD_PREP(RG_HTPLL_FBKDIV_MASK, 19),
RG_HTPLL_FBKDIV_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON7, (0x2 << RG_HTPLL_DIVEN),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON7, FIELD_PREP(RG_HTPLL_DIVEN_MASK, 0x2),
RG_HTPLL_DIVEN_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0xc << RG_HTPLL_BP),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, FIELD_PREP(RG_HTPLL_BP_MASK, 0xc),
RG_HTPLL_BP_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x2 << RG_HTPLL_BC),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, FIELD_PREP(RG_HTPLL_BC_MASK, 0x2),
RG_HTPLL_BC_MASK);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_BR),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, FIELD_PREP(RG_HTPLL_BR_MASK, 0x1),
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),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, FIELD_PREP(RG_HDMITX_PRED_IBIAS_MASK, 0x3),
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),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, FIELD_PREP(RG_HDMITX_DRV_IMP_MASK, 0x28),
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),
+ mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0, FIELD_PREP(RG_HDMITX_DRV_IBIAS_MASK, 0xa),
RG_HDMITX_DRV_IBIAS_MASK);
return 0;
}
@@ -164,9 +145,10 @@ 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 +161,14 @@ 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;
--
2.18.0