* [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access
@ 2022-01-03 15:30 AngeloGioacchino Del Regno
2022-01-03 15:30 ` [PATCH 2/4] phy: mediatek: phy-mtk-hdmi: Reorder to remove forward declarations AngeloGioacchino Del Regno
` (3 more replies)
0 siblings, 4 replies; 8+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-01-03 15:30 UTC (permalink / raw)
To: chunkuang.hu
Cc: linux-phy, linux-kernel, dri-devel, kishon, matthias.bgg, vkoul,
linux-mediatek, chunfeng.yun, linux-arm-kernel,
AngeloGioacchino Del Regno
Switch to using the generic regmap API instead of calls to readl/writel
for MMIO register access, removing custom crafted update/set/clear_bits
functions and also allowing us to reduce code size.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c | 165 ++++++++++-----------
drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c | 126 ++++++++--------
drivers/phy/mediatek/phy-mtk-hdmi.c | 51 ++-----
drivers/phy/mediatek/phy-mtk-hdmi.h | 9 +-
4 files changed, 158 insertions(+), 193 deletions(-)
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
index b74c65a1762c..09e0dd7499d8 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
@@ -69,19 +69,19 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
- 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);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_RLH_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ regmap_set_bits(hdmi_phy->regmap, 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);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ regmap_set_bits(hdmi_phy->regmap, 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);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
usleep_range(80, 100);
return 0;
}
@@ -90,19 +90,19 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
- 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);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, 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);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ regmap_clear_bits(hdmi_phy->regmap, 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);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_RLH_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON7, RG_HTPLL_AUTOK_EN);
usleep_range(80, 100);
}
@@ -125,37 +125,34 @@ 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);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_PREDIV_MASK);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_IC_MASK, BIT(RG_HTPLL_IC));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_IR_MASK, BIT(RG_HTPLL_IR));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_TX_POSDIV_MASK,
+ (pos_div << RG_HDMITX_TX_POSDIV));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_FBKSEL_MASK,
+ (1 << RG_HTPLL_FBKSEL));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_FBKDIV_MASK,
+ (19 << RG_HTPLL_FBKDIV));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON7, RG_HTPLL_DIVEN_MASK,
+ (0x2 << RG_HTPLL_DIVEN));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_BP_MASK,
+ (0xc << RG_HTPLL_BP));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_BC_MASK,
+ (0x2 << RG_HTPLL_BC));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_BR_MASK, BIT(RG_HTPLL_BR));
+
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PRED_IMP);
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PRED_IBIAS_MASK,
+ (0x3 << RG_HDMITX_PRED_IBIAS));
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_IMP_MASK);
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_DRV_IMP_MASK,
+ (0x28 << RG_HDMITX_DRV_IMP));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON4, RG_HDMITX_RESERVE_MASK, 0x28);
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_DRV_IBIAS_MASK,
+ (0xa << RG_HDMITX_DRV_IBIAS));
return 0;
}
@@ -163,10 +160,11 @@ static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
- unsigned long out_rate, val;
+ unsigned long out_rate;
+ u32 val;
- val = (readl(hdmi_phy->regs + HDMI_CON6)
- & RG_HTPLL_PREDIV_MASK) >> RG_HTPLL_PREDIV;
+ regmap_read(hdmi_phy->regmap, HDMI_CON6, &val);
+ val = (val & RG_HTPLL_PREDIV_MASK) >> RG_HTPLL_PREDIV;
switch (val) {
case 0x00:
out_rate = parent_rate;
@@ -179,14 +177,15 @@ 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;
+ regmap_read(hdmi_phy->regmap, HDMI_CON6, &val);
+ val = (val & RG_HTPLL_FBKDIV_MASK) >> RG_HTPLL_FBKDIV;
out_rate *= (val + 1) * 2;
- val = (readl(hdmi_phy->regs + HDMI_CON2)
- & RG_HDMITX_TX_POSDIV_MASK);
+ regmap_read(hdmi_phy->regmap, HDMI_CON2, &val);
+ val &= RG_HDMITX_TX_POSDIV_MASK;
out_rate >>= (val >> RG_HDMITX_TX_POSDIV);
- if (readl(hdmi_phy->regs + HDMI_CON2) & RG_HDMITX_EN_TX_POSDIV)
+ regmap_read(hdmi_phy->regmap, HDMI_CON2, &val);
+ if (val & RG_HDMITX_EN_TX_POSDIV)
out_rate /= 5;
return out_rate;
@@ -202,37 +201,37 @@ 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);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_RLH_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ regmap_set_bits(hdmi_phy->regmap, 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);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ regmap_set_bits(hdmi_phy->regmap, 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);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ regmap_set_bits(hdmi_phy->regmap, 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);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, 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);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+ regmap_clear_bits(hdmi_phy->regmap, 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);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_RLH_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON7, RG_HTPLL_AUTOK_EN);
usleep_range(80, 100);
}
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
index 6cdfdf5a698a..e317bf4a9db9 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
@@ -111,15 +111,15 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_AUTOK_EN);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3, RG_HDMITX_MHLCK_EN);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_AUTOK_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON3, RG_HDMITX_MHLCK_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_BIAS_EN);
usleep_range(100, 150);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_PLL_EN);
usleep_range(100, 150);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_LPF_EN);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_TXDIV_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_BIAS_LPF_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_TXDIV_EN);
return 0;
}
@@ -128,14 +128,14 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_TXDIV_EN);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_LPF_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_TXDIV_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_BIAS_LPF_EN);
usleep_range(100, 150);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_PLL_EN);
usleep_range(100, 150);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_EN);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_AUTOK_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_BIAS_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_AUTOK_EN);
usleep_range(100, 150);
}
@@ -177,65 +177,59 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
div = 1;
}
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
- (pre_div << PREDIV_SHIFT), RG_HDMITX_PLL_PREDIV);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
- (0x1 << PLL_IC_SHIFT) | (0x1 << PLL_IR_SHIFT),
- RG_HDMITX_PLL_IC | RG_HDMITX_PLL_IR);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1,
- (div << PLL_TXDIV_SHIFT), RG_HDMITX_PLL_TXDIV);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
- (0x1 << PLL_FBKSEL_SHIFT) | (19 << PLL_FBKDIV_SHIFT),
- RG_HDMITX_PLL_FBKSEL | RG_HDMITX_PLL_FBKDIV);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1,
- (0x2 << PLL_DIVEN_SHIFT), RG_HDMITX_PLL_DIVEN);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
- (0xc << PLL_BP_SHIFT) | (0x2 << PLL_BC_SHIFT) |
- (0x1 << PLL_BR_SHIFT),
- RG_HDMITX_PLL_BP | RG_HDMITX_PLL_BC |
- RG_HDMITX_PLL_BR);
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_PLL_PREDIV,
+ (pre_div << PREDIV_SHIFT));
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
+ RG_HDMITX_PLL_IC | RG_HDMITX_PLL_IR,
+ BIT(PLL_IC_SHIFT) | BIT(PLL_IR_SHIFT));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_TXDIV,
+ (div << PLL_TXDIV_SHIFT));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
+ RG_HDMITX_PLL_FBKSEL | RG_HDMITX_PLL_FBKDIV,
+ BIT(PLL_FBKSEL_SHIFT) | (19 << PLL_FBKDIV_SHIFT));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON1, RG_HDMITX_PLL_DIVEN,
+ (0x2 << PLL_DIVEN_SHIFT));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
+ RG_HDMITX_PLL_BP | RG_HDMITX_PLL_BC | RG_HDMITX_PLL_BR,
+ (0xc << PLL_BP_SHIFT) | (0x2 << PLL_BC_SHIFT) |
+ (0x1 << PLL_BR_SHIFT));
if (rate < 165000000) {
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3,
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON3,
RG_HDMITX_PRD_IMP_EN);
pre_ibias = 0x3;
imp_en = 0x0;
hdmi_ibias = hdmi_phy->ibias;
} else {
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON3,
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON3,
RG_HDMITX_PRD_IMP_EN);
pre_ibias = 0x6;
imp_en = 0xf;
hdmi_ibias = hdmi_phy->ibias_up;
}
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON4,
- (pre_ibias << PRD_IBIAS_CLK_SHIFT) |
- (pre_ibias << PRD_IBIAS_D2_SHIFT) |
- (pre_ibias << PRD_IBIAS_D1_SHIFT) |
- (pre_ibias << PRD_IBIAS_D0_SHIFT),
- RG_HDMITX_PRD_IBIAS_CLK |
- RG_HDMITX_PRD_IBIAS_D2 |
- RG_HDMITX_PRD_IBIAS_D1 |
- RG_HDMITX_PRD_IBIAS_D0);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON3,
- (imp_en << DRV_IMP_EN_SHIFT),
- RG_HDMITX_DRV_IMP_EN);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6,
- (hdmi_phy->drv_imp_clk << DRV_IMP_CLK_SHIFT) |
- (hdmi_phy->drv_imp_d2 << DRV_IMP_D2_SHIFT) |
- (hdmi_phy->drv_imp_d1 << DRV_IMP_D1_SHIFT) |
- (hdmi_phy->drv_imp_d0 << DRV_IMP_D0_SHIFT),
- RG_HDMITX_DRV_IMP_CLK | RG_HDMITX_DRV_IMP_D2 |
- RG_HDMITX_DRV_IMP_D1 | RG_HDMITX_DRV_IMP_D0);
- mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON5,
- (hdmi_ibias << DRV_IBIAS_CLK_SHIFT) |
- (hdmi_ibias << DRV_IBIAS_D2_SHIFT) |
- (hdmi_ibias << DRV_IBIAS_D1_SHIFT) |
- (hdmi_ibias << DRV_IBIAS_D0_SHIFT),
- RG_HDMITX_DRV_IBIAS_CLK |
- RG_HDMITX_DRV_IBIAS_D2 |
- RG_HDMITX_DRV_IBIAS_D1 |
- RG_HDMITX_DRV_IBIAS_D0);
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON4,
+ RG_HDMITX_PRD_IBIAS_CLK | RG_HDMITX_PRD_IBIAS_D2 |
+ RG_HDMITX_PRD_IBIAS_D1 | RG_HDMITX_PRD_IBIAS_D0,
+ (pre_ibias << PRD_IBIAS_CLK_SHIFT) |
+ (pre_ibias << PRD_IBIAS_D2_SHIFT) |
+ (pre_ibias << PRD_IBIAS_D1_SHIFT) |
+ (pre_ibias << PRD_IBIAS_D0_SHIFT));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON3, RG_HDMITX_DRV_IMP_EN,
+ (imp_en << DRV_IMP_EN_SHIFT));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
+ RG_HDMITX_DRV_IMP_CLK | RG_HDMITX_DRV_IMP_D2 |
+ RG_HDMITX_DRV_IMP_D1 | RG_HDMITX_DRV_IMP_D0,
+ (hdmi_phy->drv_imp_clk << DRV_IMP_CLK_SHIFT) |
+ (hdmi_phy->drv_imp_d2 << DRV_IMP_D2_SHIFT) |
+ (hdmi_phy->drv_imp_d1 << DRV_IMP_D1_SHIFT) |
+ (hdmi_phy->drv_imp_d0 << DRV_IMP_D0_SHIFT));
+ regmap_update_bits(hdmi_phy->regmap, HDMI_CON5,
+ RG_HDMITX_DRV_IBIAS_CLK | RG_HDMITX_DRV_IBIAS_D2 |
+ RG_HDMITX_DRV_IBIAS_D1 | RG_HDMITX_DRV_IBIAS_D0,
+ (hdmi_ibias << DRV_IBIAS_CLK_SHIFT) |
+ (hdmi_ibias << DRV_IBIAS_D2_SHIFT) |
+ (hdmi_ibias << DRV_IBIAS_D1_SHIFT) |
+ (hdmi_ibias << DRV_IBIAS_D0_SHIFT));
return 0;
}
@@ -257,17 +251,15 @@ 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_CON3,
- RG_HDMITX_SER_EN | RG_HDMITX_PRD_EN |
- RG_HDMITX_DRV_EN);
+ regmap_set_bits(hdmi_phy->regmap, HDMI_CON3,
+ RG_HDMITX_SER_EN | RG_HDMITX_PRD_EN | RG_HDMITX_DRV_EN);
usleep_range(100, 150);
}
static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
{
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3,
- RG_HDMITX_DRV_EN | RG_HDMITX_PRD_EN |
- RG_HDMITX_SER_EN);
+ regmap_clear_bits(hdmi_phy->regmap, HDMI_CON3,
+ RG_HDMITX_DRV_EN | RG_HDMITX_PRD_EN | RG_HDMITX_SER_EN);
}
struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = {
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c
index 5fb4217fb8e0..707e90691e6e 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
@@ -15,39 +15,6 @@ static const struct phy_ops mtk_hdmi_phy_dev_ops = {
.owner = THIS_MODULE,
};
-void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 bits)
-{
- void __iomem *reg = hdmi_phy->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp &= ~bits;
- writel(tmp, reg);
-}
-
-void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 bits)
-{
- void __iomem *reg = hdmi_phy->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp |= bits;
- writel(tmp, reg);
-}
-
-void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 val, u32 mask)
-{
- void __iomem *reg = hdmi_phy->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp = (tmp & ~mask) | (val & mask);
- writel(tmp, reg);
-}
-
inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
{
return container_of(hw, struct mtk_hdmi_phy, pll_hw);
@@ -96,6 +63,13 @@ static void mtk_hdmi_phy_clk_get_data(struct mtk_hdmi_phy *hdmi_phy,
clk_init->ops = hdmi_phy->conf->hdmi_phy_clk_ops;
}
+static const struct regmap_config mtk_hdmi_phy_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .disable_locking = true,
+};
+
static int mtk_hdmi_phy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -109,15 +83,20 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev)
struct phy *phy;
struct phy_provider *phy_provider;
+ void __iomem *regs;
int ret;
hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
if (!hdmi_phy)
return -ENOMEM;
- hdmi_phy->regs = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(hdmi_phy->regs))
- return PTR_ERR(hdmi_phy->regs);
+ regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ hdmi_phy->regmap = devm_regmap_init_mmio(dev, regs, &mtk_hdmi_phy_regmap_config);
+ if (IS_ERR(hdmi_phy->regmap))
+ return PTR_ERR(hdmi_phy->regmap);
ref_clk = devm_clk_get(dev, "pll_ref");
if (IS_ERR(ref_clk)) {
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h b/drivers/phy/mediatek/phy-mtk-hdmi.h
index dcf9bb13699b..a0571271d730 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.h
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
@@ -15,6 +15,7 @@
#include <linux/of_device.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
+#include <linux/regmap.h>
#include <linux/types.h>
struct mtk_hdmi_phy;
@@ -28,7 +29,7 @@ struct mtk_hdmi_phy_conf {
};
struct mtk_hdmi_phy {
- void __iomem *regs;
+ struct regmap *regmap;
struct device *dev;
struct mtk_hdmi_phy_conf *conf;
struct clk *pll;
@@ -42,12 +43,6 @@ struct mtk_hdmi_phy {
unsigned int ibias_up;
};
-void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 bits);
-void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 bits);
-void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
- u32 val, u32 mask);
struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw);
extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
--
2.33.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH 2/4] phy: mediatek: phy-mtk-hdmi: Reorder to remove forward declarations
2022-01-03 15:30 [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access AngeloGioacchino Del Regno
@ 2022-01-03 15:30 ` AngeloGioacchino Del Regno
2022-01-06 9:24 ` Chunfeng Yun
2022-01-03 15:30 ` [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop implicit header inclusion AngeloGioacchino Del Regno
` (2 subsequent siblings)
3 siblings, 1 reply; 8+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-01-03 15:30 UTC (permalink / raw)
To: chunkuang.hu
Cc: linux-phy, linux-kernel, dri-devel, kishon, matthias.bgg, vkoul,
linux-mediatek, chunfeng.yun, linux-arm-kernel,
AngeloGioacchino Del Regno
Forward declarations for mtk_hdmi_power_{on,off} aren't necessary:
move mtk_hdmi_phy_dev_ops down to remove forward declarations.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
drivers/phy/mediatek/phy-mtk-hdmi.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c
index 707e90691e6e..b4193cb4e4e3 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
@@ -6,15 +6,6 @@
#include "phy-mtk-hdmi.h"
-static int mtk_hdmi_phy_power_on(struct phy *phy);
-static int mtk_hdmi_phy_power_off(struct phy *phy);
-
-static const struct phy_ops mtk_hdmi_phy_dev_ops = {
- .power_on = mtk_hdmi_phy_power_on,
- .power_off = mtk_hdmi_phy_power_off,
- .owner = THIS_MODULE,
-};
-
inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
{
return container_of(hw, struct mtk_hdmi_phy, pll_hw);
@@ -43,6 +34,12 @@ static int mtk_hdmi_phy_power_off(struct phy *phy)
return 0;
}
+static const struct phy_ops mtk_hdmi_phy_dev_ops = {
+ .power_on = mtk_hdmi_phy_power_on,
+ .power_off = mtk_hdmi_phy_power_off,
+ .owner = THIS_MODULE,
+};
+
static const struct phy_ops *
mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy)
{
--
2.33.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop implicit header inclusion
2022-01-03 15:30 [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access AngeloGioacchino Del Regno
2022-01-03 15:30 ` [PATCH 2/4] phy: mediatek: phy-mtk-hdmi: Reorder to remove forward declarations AngeloGioacchino Del Regno
@ 2022-01-03 15:30 ` AngeloGioacchino Del Regno
2022-01-06 9:22 ` Chunfeng Yun
2022-01-03 15:30 ` [PATCH 4/4] phy: mediatek: phy-mtk-hdmi: Simplify with dev_err_probe() AngeloGioacchino Del Regno
2022-01-06 8:26 ` [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access Chunfeng Yun
3 siblings, 1 reply; 8+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-01-03 15:30 UTC (permalink / raw)
To: chunkuang.hu
Cc: linux-phy, linux-kernel, dri-devel, kishon, matthias.bgg, vkoul,
linux-mediatek, chunfeng.yun, linux-arm-kernel,
AngeloGioacchino Del Regno
All the headers for phy-mtk-{hdmi,hdmi-mt2701,hdmi-mt8183}.c were
included from phy-mtk-mipi-dsi.h, but this isn't optimal: in order to
increase readability and sensibly reduce build times, the inclusions
should be done per-file, also avoiding to include unused headers and
should not be implicit.
For this reason, move the inclusions to each file and remove unused ones.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c | 5 +++++
drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c | 5 +++++
drivers/phy/mediatek/phy-mtk-hdmi.c | 8 ++++++++
drivers/phy/mediatek/phy-mtk-hdmi.h | 10 +---------
4 files changed, 19 insertions(+), 9 deletions(-)
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
index 09e0dd7499d8..270c5f538483 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
@@ -4,6 +4,11 @@
* Author: Chunhui Dai <chunhui.dai@mediatek.com>
*/
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
#include "phy-mtk-hdmi.h"
#define HDMI_CON0 0x00
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
index e317bf4a9db9..87ba9a3687b7 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
@@ -4,6 +4,11 @@
* Author: Jie Qiu <jie.qiu@mediatek.com>
*/
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
#include "phy-mtk-hdmi.h"
#define HDMI_CON0 0x00
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c
index b4193cb4e4e3..e037fa89696c 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
@@ -4,6 +4,14 @@
* Author: Jie Qiu <jie.qiu@mediatek.com>
*/
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/phy/phy.h>
#include "phy-mtk-hdmi.h"
inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h b/drivers/phy/mediatek/phy-mtk-hdmi.h
index a0571271d730..ef81e44a235d 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.h
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
@@ -6,17 +6,9 @@
#ifndef _MTK_HDMI_PHY_H
#define _MTK_HDMI_PHY_H
-#include <linux/clk.h>
+
#include <linux/clk-provider.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/of_device.h>
-#include <linux/phy/phy.h>
-#include <linux/platform_device.h>
#include <linux/regmap.h>
-#include <linux/types.h>
struct mtk_hdmi_phy;
--
2.33.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH 4/4] phy: mediatek: phy-mtk-hdmi: Simplify with dev_err_probe()
2022-01-03 15:30 [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access AngeloGioacchino Del Regno
2022-01-03 15:30 ` [PATCH 2/4] phy: mediatek: phy-mtk-hdmi: Reorder to remove forward declarations AngeloGioacchino Del Regno
2022-01-03 15:30 ` [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop implicit header inclusion AngeloGioacchino Del Regno
@ 2022-01-03 15:30 ` AngeloGioacchino Del Regno
2022-01-06 9:20 ` Chunfeng Yun
2022-01-06 8:26 ` [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access Chunfeng Yun
3 siblings, 1 reply; 8+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-01-03 15:30 UTC (permalink / raw)
To: chunkuang.hu
Cc: linux-phy, linux-kernel, dri-devel, kishon, matthias.bgg, vkoul,
linux-mediatek, chunfeng.yun, linux-arm-kernel,
AngeloGioacchino Del Regno
Use the dev_err_probe() helper to simplify error handling during probe.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
drivers/phy/mediatek/phy-mtk-hdmi.c | 50 +++++++++++------------------
1 file changed, 19 insertions(+), 31 deletions(-)
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c
index e037fa89696c..4f40a6eea004 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
@@ -104,20 +104,16 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev)
return PTR_ERR(hdmi_phy->regmap);
ref_clk = devm_clk_get(dev, "pll_ref");
- if (IS_ERR(ref_clk)) {
- ret = PTR_ERR(ref_clk);
- dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",
- ret);
- return ret;
- }
+ if (IS_ERR(ref_clk))
+ return dev_err_probe(dev, PTR_ERR(ref_clk),
+ "Failed to get PLL reference clock\n");
+
ref_clk_name = __clk_get_name(ref_clk);
ret = of_property_read_string(dev->of_node, "clock-output-names",
&clk_init.name);
- if (ret < 0) {
- dev_err(dev, "Failed to read clock-output-names: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to read clock-output-names\n");
hdmi_phy->dev = dev;
hdmi_phy->conf =
@@ -125,25 +121,19 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev)
mtk_hdmi_phy_clk_get_data(hdmi_phy, &clk_init);
hdmi_phy->pll_hw.init = &clk_init;
hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
- if (IS_ERR(hdmi_phy->pll)) {
- ret = PTR_ERR(hdmi_phy->pll);
- dev_err(dev, "Failed to register PLL: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(hdmi_phy->pll))
+ return dev_err_probe(dev, PTR_ERR(hdmi_phy->pll),
+ "Failed to register PLL\n");
ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
&hdmi_phy->ibias);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to get ibias\n");
ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
&hdmi_phy->ibias_up);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to get ibias_up\n");
dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
hdmi_phy->drv_imp_clk = 0x30;
@@ -152,17 +142,15 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev)
hdmi_phy->drv_imp_d0 = 0x30;
phy = devm_phy_create(dev, NULL, mtk_hdmi_phy_dev_get_ops(hdmi_phy));
- if (IS_ERR(phy)) {
- dev_err(dev, "Failed to create HDMI PHY\n");
- return PTR_ERR(phy);
- }
+ if (IS_ERR(phy))
+ return dev_err_probe(dev, PTR_ERR(phy), "Cannot create HDMI PHY\n");
+
phy_set_drvdata(phy, hdmi_phy);
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
- if (IS_ERR(phy_provider)) {
- dev_err(dev, "Failed to register HDMI PHY\n");
- return PTR_ERR(phy_provider);
- }
+ if (IS_ERR(phy_provider))
+ return dev_err_probe(dev, PTR_ERR(phy_provider),
+ "Failed to register HDMI PHY\n");
if (hdmi_phy->conf->pll_default_off)
hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);
--
2.33.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access
2022-01-03 15:30 [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access AngeloGioacchino Del Regno
` (2 preceding siblings ...)
2022-01-03 15:30 ` [PATCH 4/4] phy: mediatek: phy-mtk-hdmi: Simplify with dev_err_probe() AngeloGioacchino Del Regno
@ 2022-01-06 8:26 ` Chunfeng Yun
3 siblings, 0 replies; 8+ messages in thread
From: Chunfeng Yun @ 2022-01-06 8:26 UTC (permalink / raw)
To: AngeloGioacchino Del Regno, chunkuang.hu
Cc: linux-kernel, dri-devel, kishon, linux-phy, vkoul,
linux-mediatek, matthias.bgg, linux-arm-kernel
On Mon, 2022-01-03 at 16:30 +0100, AngeloGioacchino Del Regno wrote:
> Switch to using the generic regmap API instead of calls to
> readl/writel
> for MMIO register access, removing custom crafted
> update/set/clear_bits
> functions and also allowing us to reduce code size.
Using readl/writel is simpler than regmap here
Thanks
>
> Signed-off-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> ---
> drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c | 165 ++++++++++---------
> --
> drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c | 126 ++++++++--------
> drivers/phy/mediatek/phy-mtk-hdmi.c | 51 ++-----
> drivers/phy/mediatek/phy-mtk-hdmi.h | 9 +-
> 4 files changed, 158 insertions(+), 193 deletions(-)
>
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> index b74c65a1762c..09e0dd7499d8 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> @@ -69,19 +69,19 @@ static int mtk_hdmi_pll_prepare(struct clk_hw
> *hw)
> {
> struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
>
> - 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);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON7,
> RG_HTPLL_AUTOK_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_RLH_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_POSDIV_MASK);
> + regmap_set_bits(hdmi_phy->regmap, 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);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_EN_TX_CKLDO);
> + regmap_set_bits(hdmi_phy->regmap, 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);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_MBIAS_LPF_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_SER_MASK);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_PRED_MASK);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_DRV_MASK);
> usleep_range(80, 100);
> return 0;
> }
> @@ -90,19 +90,19 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw
> *hw)
> {
> struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
>
> - 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);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_DRV_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_PRED_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_SER_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, 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);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_SLDO_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_EN_TX_CKLDO);
> + regmap_clear_bits(hdmi_phy->regmap, 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);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_EN_MBIAS);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_POSDIV_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_RLH_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON7,
> RG_HTPLL_AUTOK_EN);
> usleep_range(80, 100);
> }
>
> @@ -125,37 +125,34 @@ 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);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_PREDIV_MASK);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_POSDIV_MASK);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_EN_TX_POSDIV);
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_IC_MASK, BIT(RG_HTPLL_IC));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_IR_MASK, BIT(RG_HTPLL_IR));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_TX_POSDIV_MASK,
> + (pos_div << RG_HDMITX_TX_POSDIV));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_FBKSEL_MASK,
> + (1 << RG_HTPLL_FBKSEL));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_FBKDIV_MASK,
> + (19 << RG_HTPLL_FBKDIV));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON7,
> RG_HTPLL_DIVEN_MASK,
> + (0x2 << RG_HTPLL_DIVEN));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_BP_MASK,
> + (0xc << RG_HTPLL_BP));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_BC_MASK,
> + (0x2 << RG_HTPLL_BC));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_BR_MASK, BIT(RG_HTPLL_BR));
> +
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PRED_IMP);
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PRED_IBIAS_MASK,
> + (0x3 << RG_HDMITX_PRED_IBIAS));
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_IMP_MASK);
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_DRV_IMP_MASK,
> + (0x28 << RG_HDMITX_DRV_IMP));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON4,
> RG_HDMITX_RESERVE_MASK, 0x28);
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_DRV_IBIAS_MASK,
> + (0xa << RG_HDMITX_DRV_IBIAS));
> return 0;
> }
>
> @@ -163,10 +160,11 @@ static unsigned long
> mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
> unsigned long
> parent_rate)
> {
> struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
> - unsigned long out_rate, val;
> + unsigned long out_rate;
> + u32 val;
>
> - val = (readl(hdmi_phy->regs + HDMI_CON6)
> - & RG_HTPLL_PREDIV_MASK) >> RG_HTPLL_PREDIV;
> + regmap_read(hdmi_phy->regmap, HDMI_CON6, &val);
> + val = (val & RG_HTPLL_PREDIV_MASK) >> RG_HTPLL_PREDIV;
> switch (val) {
> case 0x00:
> out_rate = parent_rate;
> @@ -179,14 +177,15 @@ 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;
> + regmap_read(hdmi_phy->regmap, HDMI_CON6, &val);
> + val = (val & RG_HTPLL_FBKDIV_MASK) >> RG_HTPLL_FBKDIV;
> out_rate *= (val + 1) * 2;
> - val = (readl(hdmi_phy->regs + HDMI_CON2)
> - & RG_HDMITX_TX_POSDIV_MASK);
> + regmap_read(hdmi_phy->regmap, HDMI_CON2, &val);
> + val &= RG_HDMITX_TX_POSDIV_MASK;
> out_rate >>= (val >> RG_HDMITX_TX_POSDIV);
>
> - if (readl(hdmi_phy->regs + HDMI_CON2) & RG_HDMITX_EN_TX_POSDIV)
> + regmap_read(hdmi_phy->regmap, HDMI_CON2, &val);
> + if (val & RG_HDMITX_EN_TX_POSDIV)
> out_rate /= 5;
>
> return out_rate;
> @@ -202,37 +201,37 @@ 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);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON7,
> RG_HTPLL_AUTOK_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_RLH_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_POSDIV_MASK);
> + regmap_set_bits(hdmi_phy->regmap, 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);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON6, RG_HTPLL_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_EN_TX_CKLDO);
> + regmap_set_bits(hdmi_phy->regmap, 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);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_MBIAS_LPF_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_SER_MASK);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_PRED_MASK);
> + regmap_set_bits(hdmi_phy->regmap, 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);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_DRV_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_PRED_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_SER_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, 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);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_EN_SLDO_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_EN_TX_CKLDO);
> + regmap_clear_bits(hdmi_phy->regmap, 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);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON2,
> RG_HDMITX_EN_MBIAS);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_POSDIV_MASK);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON6,
> RG_HTPLL_RLH_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON7,
> RG_HTPLL_AUTOK_EN);
> usleep_range(80, 100);
> }
>
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> index 6cdfdf5a698a..e317bf4a9db9 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> @@ -111,15 +111,15 @@ static int mtk_hdmi_pll_prepare(struct clk_hw
> *hw)
> {
> struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
>
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_AUTOK_EN);
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0,
> RG_HDMITX_PLL_POSDIV);
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3,
> RG_HDMITX_MHLCK_EN);
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_AUTOK_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_PLL_POSDIV);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON3,
> RG_HDMITX_MHLCK_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_EN);
> usleep_range(100, 150);
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0, RG_HDMITX_PLL_EN);
> usleep_range(100, 150);
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_LPF_EN);
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_TXDIV_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_LPF_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_TXDIV_EN);
>
> return 0;
> }
> @@ -128,14 +128,14 @@ static void mtk_hdmi_pll_unprepare(struct
> clk_hw *hw)
> {
> struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
>
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_TXDIV_EN);
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_LPF_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_TXDIV_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_LPF_EN);
> usleep_range(100, 150);
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_PLL_EN);
> usleep_range(100, 150);
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_EN);
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0,
> RG_HDMITX_PLL_POSDIV);
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1,
> RG_HDMITX_PLL_AUTOK_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_BIAS_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_PLL_POSDIV);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_AUTOK_EN);
> usleep_range(100, 150);
> }
>
> @@ -177,65 +177,59 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw
> *hw, unsigned long rate,
> div = 1;
> }
>
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
> - (pre_div << PREDIV_SHIFT),
> RG_HDMITX_PLL_PREDIV);
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0,
> RG_HDMITX_PLL_POSDIV);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
> - (0x1 << PLL_IC_SHIFT) | (0x1 <<
> PLL_IR_SHIFT),
> - RG_HDMITX_PLL_IC | RG_HDMITX_PLL_IR);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1,
> - (div << PLL_TXDIV_SHIFT),
> RG_HDMITX_PLL_TXDIV);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
> - (0x1 << PLL_FBKSEL_SHIFT) | (19 <<
> PLL_FBKDIV_SHIFT),
> - RG_HDMITX_PLL_FBKSEL | RG_HDMITX_PLL_FBKDIV);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1,
> - (0x2 << PLL_DIVEN_SHIFT),
> RG_HDMITX_PLL_DIVEN);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
> - (0xc << PLL_BP_SHIFT) | (0x2 << PLL_BC_SHIFT)
> |
> - (0x1 << PLL_BR_SHIFT),
> - RG_HDMITX_PLL_BP | RG_HDMITX_PLL_BC |
> - RG_HDMITX_PLL_BR);
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_PLL_PREDIV,
> + (pre_div << PREDIV_SHIFT));
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON0,
> RG_HDMITX_PLL_POSDIV);
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
> + RG_HDMITX_PLL_IC | RG_HDMITX_PLL_IR,
> + BIT(PLL_IC_SHIFT) | BIT(PLL_IR_SHIFT));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_TXDIV,
> + (div << PLL_TXDIV_SHIFT));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
> + RG_HDMITX_PLL_FBKSEL | RG_HDMITX_PLL_FBKDIV,
> + BIT(PLL_FBKSEL_SHIFT) | (19 <<
> PLL_FBKDIV_SHIFT));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON1,
> RG_HDMITX_PLL_DIVEN,
> + (0x2 << PLL_DIVEN_SHIFT));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON0,
> + RG_HDMITX_PLL_BP | RG_HDMITX_PLL_BC |
> RG_HDMITX_PLL_BR,
> + (0xc << PLL_BP_SHIFT) | (0x2 <<
> PLL_BC_SHIFT) |
> + (0x1 << PLL_BR_SHIFT));
> if (rate < 165000000) {
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3,
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON3,
> RG_HDMITX_PRD_IMP_EN);
> pre_ibias = 0x3;
> imp_en = 0x0;
> hdmi_ibias = hdmi_phy->ibias;
> } else {
> - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON3,
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON3,
> RG_HDMITX_PRD_IMP_EN);
> pre_ibias = 0x6;
> imp_en = 0xf;
> hdmi_ibias = hdmi_phy->ibias_up;
> }
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON4,
> - (pre_ibias << PRD_IBIAS_CLK_SHIFT) |
> - (pre_ibias << PRD_IBIAS_D2_SHIFT) |
> - (pre_ibias << PRD_IBIAS_D1_SHIFT) |
> - (pre_ibias << PRD_IBIAS_D0_SHIFT),
> - RG_HDMITX_PRD_IBIAS_CLK |
> - RG_HDMITX_PRD_IBIAS_D2 |
> - RG_HDMITX_PRD_IBIAS_D1 |
> - RG_HDMITX_PRD_IBIAS_D0);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON3,
> - (imp_en << DRV_IMP_EN_SHIFT),
> - RG_HDMITX_DRV_IMP_EN);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6,
> - (hdmi_phy->drv_imp_clk << DRV_IMP_CLK_SHIFT)
> |
> - (hdmi_phy->drv_imp_d2 << DRV_IMP_D2_SHIFT) |
> - (hdmi_phy->drv_imp_d1 << DRV_IMP_D1_SHIFT) |
> - (hdmi_phy->drv_imp_d0 << DRV_IMP_D0_SHIFT),
> - RG_HDMITX_DRV_IMP_CLK | RG_HDMITX_DRV_IMP_D2
> |
> - RG_HDMITX_DRV_IMP_D1 | RG_HDMITX_DRV_IMP_D0);
> - mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON5,
> - (hdmi_ibias << DRV_IBIAS_CLK_SHIFT) |
> - (hdmi_ibias << DRV_IBIAS_D2_SHIFT) |
> - (hdmi_ibias << DRV_IBIAS_D1_SHIFT) |
> - (hdmi_ibias << DRV_IBIAS_D0_SHIFT),
> - RG_HDMITX_DRV_IBIAS_CLK |
> - RG_HDMITX_DRV_IBIAS_D2 |
> - RG_HDMITX_DRV_IBIAS_D1 |
> - RG_HDMITX_DRV_IBIAS_D0);
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON4,
> + RG_HDMITX_PRD_IBIAS_CLK |
> RG_HDMITX_PRD_IBIAS_D2 |
> + RG_HDMITX_PRD_IBIAS_D1 |
> RG_HDMITX_PRD_IBIAS_D0,
> + (pre_ibias << PRD_IBIAS_CLK_SHIFT) |
> + (pre_ibias << PRD_IBIAS_D2_SHIFT) |
> + (pre_ibias << PRD_IBIAS_D1_SHIFT) |
> + (pre_ibias << PRD_IBIAS_D0_SHIFT));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON3,
> RG_HDMITX_DRV_IMP_EN,
> + (imp_en << DRV_IMP_EN_SHIFT));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON6,
> + RG_HDMITX_DRV_IMP_CLK | RG_HDMITX_DRV_IMP_D2
> |
> + RG_HDMITX_DRV_IMP_D1 | RG_HDMITX_DRV_IMP_D0,
> + (hdmi_phy->drv_imp_clk << DRV_IMP_CLK_SHIFT)
> |
> + (hdmi_phy->drv_imp_d2 << DRV_IMP_D2_SHIFT) |
> + (hdmi_phy->drv_imp_d1 << DRV_IMP_D1_SHIFT) |
> + (hdmi_phy->drv_imp_d0 << DRV_IMP_D0_SHIFT));
> + regmap_update_bits(hdmi_phy->regmap, HDMI_CON5,
> + RG_HDMITX_DRV_IBIAS_CLK |
> RG_HDMITX_DRV_IBIAS_D2 |
> + RG_HDMITX_DRV_IBIAS_D1 |
> RG_HDMITX_DRV_IBIAS_D0,
> + (hdmi_ibias << DRV_IBIAS_CLK_SHIFT) |
> + (hdmi_ibias << DRV_IBIAS_D2_SHIFT) |
> + (hdmi_ibias << DRV_IBIAS_D1_SHIFT) |
> + (hdmi_ibias << DRV_IBIAS_D0_SHIFT));
> return 0;
> }
>
> @@ -257,17 +251,15 @@ 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_CON3,
> - RG_HDMITX_SER_EN | RG_HDMITX_PRD_EN |
> - RG_HDMITX_DRV_EN);
> + regmap_set_bits(hdmi_phy->regmap, HDMI_CON3,
> + RG_HDMITX_SER_EN | RG_HDMITX_PRD_EN |
> RG_HDMITX_DRV_EN);
> usleep_range(100, 150);
> }
>
> static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
> {
> - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3,
> - RG_HDMITX_DRV_EN | RG_HDMITX_PRD_EN |
> - RG_HDMITX_SER_EN);
> + regmap_clear_bits(hdmi_phy->regmap, HDMI_CON3,
> + RG_HDMITX_DRV_EN | RG_HDMITX_PRD_EN |
> RG_HDMITX_SER_EN);
> }
>
> struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = {
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c
> b/drivers/phy/mediatek/phy-mtk-hdmi.c
> index 5fb4217fb8e0..707e90691e6e 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
> @@ -15,39 +15,6 @@ static const struct phy_ops mtk_hdmi_phy_dev_ops =
> {
> .owner = THIS_MODULE,
> };
>
> -void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32
> offset,
> - u32 bits)
> -{
> - void __iomem *reg = hdmi_phy->regs + offset;
> - u32 tmp;
> -
> - tmp = readl(reg);
> - tmp &= ~bits;
> - writel(tmp, reg);
> -}
> -
> -void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32
> offset,
> - u32 bits)
> -{
> - void __iomem *reg = hdmi_phy->regs + offset;
> - u32 tmp;
> -
> - tmp = readl(reg);
> - tmp |= bits;
> - writel(tmp, reg);
> -}
> -
> -void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
> - u32 val, u32 mask)
> -{
> - void __iomem *reg = hdmi_phy->regs + offset;
> - u32 tmp;
> -
> - tmp = readl(reg);
> - tmp = (tmp & ~mask) | (val & mask);
> - writel(tmp, reg);
> -}
> -
> inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
> {
> return container_of(hw, struct mtk_hdmi_phy, pll_hw);
> @@ -96,6 +63,13 @@ static void mtk_hdmi_phy_clk_get_data(struct
> mtk_hdmi_phy *hdmi_phy,
> clk_init->ops = hdmi_phy->conf->hdmi_phy_clk_ops;
> }
>
> +static const struct regmap_config mtk_hdmi_phy_regmap_config = {
> + .reg_bits = 32,
> + .reg_stride = 4,
> + .val_bits = 32,
> + .disable_locking = true,
> +};
> +
> static int mtk_hdmi_phy_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> @@ -109,15 +83,20 @@ static int mtk_hdmi_phy_probe(struct
> platform_device *pdev)
>
> struct phy *phy;
> struct phy_provider *phy_provider;
> + void __iomem *regs;
> int ret;
>
> hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
> if (!hdmi_phy)
> return -ENOMEM;
>
> - hdmi_phy->regs = devm_platform_ioremap_resource(pdev, 0);
> - if (IS_ERR(hdmi_phy->regs))
> - return PTR_ERR(hdmi_phy->regs);
> + regs = devm_platform_ioremap_resource(pdev, 0);
> + if (IS_ERR(regs))
> + return PTR_ERR(regs);
> +
> + hdmi_phy->regmap = devm_regmap_init_mmio(dev, regs,
> &mtk_hdmi_phy_regmap_config);
> + if (IS_ERR(hdmi_phy->regmap))
> + return PTR_ERR(hdmi_phy->regmap);
>
> ref_clk = devm_clk_get(dev, "pll_ref");
> if (IS_ERR(ref_clk)) {
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h
> b/drivers/phy/mediatek/phy-mtk-hdmi.h
> index dcf9bb13699b..a0571271d730 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.h
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
> @@ -15,6 +15,7 @@
> #include <linux/of_device.h>
> #include <linux/phy/phy.h>
> #include <linux/platform_device.h>
> +#include <linux/regmap.h>
> #include <linux/types.h>
>
> struct mtk_hdmi_phy;
> @@ -28,7 +29,7 @@ struct mtk_hdmi_phy_conf {
> };
>
> struct mtk_hdmi_phy {
> - void __iomem *regs;
> + struct regmap *regmap;
> struct device *dev;
> struct mtk_hdmi_phy_conf *conf;
> struct clk *pll;
> @@ -42,12 +43,6 @@ struct mtk_hdmi_phy {
> unsigned int ibias_up;
> };
>
> -void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32
> offset,
> - u32 bits);
> -void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32
> offset,
> - u32 bits);
> -void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
> - u32 val, u32 mask);
> struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw);
>
> extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH 4/4] phy: mediatek: phy-mtk-hdmi: Simplify with dev_err_probe()
2022-01-03 15:30 ` [PATCH 4/4] phy: mediatek: phy-mtk-hdmi: Simplify with dev_err_probe() AngeloGioacchino Del Regno
@ 2022-01-06 9:20 ` Chunfeng Yun
0 siblings, 0 replies; 8+ messages in thread
From: Chunfeng Yun @ 2022-01-06 9:20 UTC (permalink / raw)
To: AngeloGioacchino Del Regno, chunkuang.hu
Cc: linux-kernel, dri-devel, kishon, linux-phy, vkoul,
linux-mediatek, matthias.bgg, linux-arm-kernel
On Mon, 2022-01-03 at 16:30 +0100, AngeloGioacchino Del Regno wrote:
> Use the dev_err_probe() helper to simplify error handling during
> probe.
>
> Signed-off-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> ---
> drivers/phy/mediatek/phy-mtk-hdmi.c | 50 +++++++++++--------------
> ----
> 1 file changed, 19 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c
> b/drivers/phy/mediatek/phy-mtk-hdmi.c
> index e037fa89696c..4f40a6eea004 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
> @@ -104,20 +104,16 @@ static int mtk_hdmi_phy_probe(struct
> platform_device *pdev)
> return PTR_ERR(hdmi_phy->regmap);
>
> ref_clk = devm_clk_get(dev, "pll_ref");
> - if (IS_ERR(ref_clk)) {
> - ret = PTR_ERR(ref_clk);
> - dev_err(&pdev->dev, "Failed to get PLL reference clock:
> %d\n",
> - ret);
> - return ret;
> - }
> + if (IS_ERR(ref_clk))
> + return dev_err_probe(dev, PTR_ERR(ref_clk),
> + "Failed to get PLL reference
> clock\n");
> +
> ref_clk_name = __clk_get_name(ref_clk);
>
> ret = of_property_read_string(dev->of_node, "clock-output-
> names",
> &clk_init.name);
> - if (ret < 0) {
> - dev_err(dev, "Failed to read clock-output-names: %d\n",
> ret);
> - return ret;
> - }
> + if (ret < 0)
> + return dev_err_probe(dev, ret, "Failed to read clock-
> output-names\n");
Seems no need change it if no EPROBE_DEFER happens
>
> hdmi_phy->dev = dev;
> hdmi_phy->conf =
> @@ -125,25 +121,19 @@ static int mtk_hdmi_phy_probe(struct
> platform_device *pdev)
> mtk_hdmi_phy_clk_get_data(hdmi_phy, &clk_init);
> hdmi_phy->pll_hw.init = &clk_init;
> hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
> - if (IS_ERR(hdmi_phy->pll)) {
> - ret = PTR_ERR(hdmi_phy->pll);
> - dev_err(dev, "Failed to register PLL: %d\n", ret);
> - return ret;
> - }
> + if (IS_ERR(hdmi_phy->pll))
> + return dev_err_probe(dev, PTR_ERR(hdmi_phy->pll),
> + "Failed to register PLL\n");
>
> ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
> &hdmi_phy->ibias);
> - if (ret < 0) {
> - dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
> - return ret;
> - }
> + if (ret < 0)
> + return dev_err_probe(dev, ret, "Failed to get
> ibias\n");
ditto
Thanks
>
> ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
> &hdmi_phy->ibias_up);
> - if (ret < 0) {
> - dev_err(&pdev->dev, "Failed to get ibias up: %d\n",
> ret);
> - return ret;
> - }
> + if (ret < 0)
> + return dev_err_probe(dev, ret, "Failed to get
> ibias_up\n");
>
> dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
> hdmi_phy->drv_imp_clk = 0x30;
> @@ -152,17 +142,15 @@ static int mtk_hdmi_phy_probe(struct
> platform_device *pdev)
> hdmi_phy->drv_imp_d0 = 0x30;
>
> phy = devm_phy_create(dev, NULL,
> mtk_hdmi_phy_dev_get_ops(hdmi_phy));
> - if (IS_ERR(phy)) {
> - dev_err(dev, "Failed to create HDMI PHY\n");
> - return PTR_ERR(phy);
> - }
> + if (IS_ERR(phy))
> + return dev_err_probe(dev, PTR_ERR(phy), "Cannot create
> HDMI PHY\n");
> +
> phy_set_drvdata(phy, hdmi_phy);
>
> phy_provider = devm_of_phy_provider_register(dev,
> of_phy_simple_xlate);
> - if (IS_ERR(phy_provider)) {
> - dev_err(dev, "Failed to register HDMI PHY\n");
> - return PTR_ERR(phy_provider);
> - }
> + if (IS_ERR(phy_provider))
> + return dev_err_probe(dev, PTR_ERR(phy_provider),
> + "Failed to register HDMI PHY\n");
>
> if (hdmi_phy->conf->pll_default_off)
> hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop implicit header inclusion
2022-01-03 15:30 ` [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop implicit header inclusion AngeloGioacchino Del Regno
@ 2022-01-06 9:22 ` Chunfeng Yun
0 siblings, 0 replies; 8+ messages in thread
From: Chunfeng Yun @ 2022-01-06 9:22 UTC (permalink / raw)
To: AngeloGioacchino Del Regno, chunkuang.hu
Cc: linux-kernel, dri-devel, kishon, linux-phy, vkoul,
linux-mediatek, matthias.bgg, linux-arm-kernel
On Mon, 2022-01-03 at 16:30 +0100, AngeloGioacchino Del Regno wrote:
> All the headers for phy-mtk-{hdmi,hdmi-mt2701,hdmi-mt8183}.c were
> included from phy-mtk-mipi-dsi.h, but this isn't optimal: in order to
> increase readability and sensibly reduce build times, the inclusions
> should be done per-file, also avoiding to include unused headers and
> should not be implicit.
>
> For this reason, move the inclusions to each file and remove unused
> ones.
>
> Signed-off-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> ---
> drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c | 5 +++++
> drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c | 5 +++++
> drivers/phy/mediatek/phy-mtk-hdmi.c | 8 ++++++++
> drivers/phy/mediatek/phy-mtk-hdmi.h | 10 +---------
> 4 files changed, 19 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> index 09e0dd7499d8..270c5f538483 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> @@ -4,6 +4,11 @@
> * Author: Chunhui Dai <chunhui.dai@mediatek.com>
> */
>
> +#include <linux/clk-provider.h>
> +#include <linux/delay.h>
> +#include <linux/device.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
> #include "phy-mtk-hdmi.h"
>
> #define HDMI_CON0 0x00
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> index e317bf4a9db9..87ba9a3687b7 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> @@ -4,6 +4,11 @@
> * Author: Jie Qiu <jie.qiu@mediatek.com>
> */
>
> +#include <linux/clk-provider.h>
> +#include <linux/delay.h>
> +#include <linux/device.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
> #include "phy-mtk-hdmi.h"
>
> #define HDMI_CON0 0x00
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c
> b/drivers/phy/mediatek/phy-mtk-hdmi.c
> index b4193cb4e4e3..e037fa89696c 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
> @@ -4,6 +4,14 @@
> * Author: Jie Qiu <jie.qiu@mediatek.com>
> */
>
> +#include <linux/clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/device.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/platform_device.h>
> +#include <linux/regmap.h>
> +#include <linux/phy/phy.h>
> #include "phy-mtk-hdmi.h"
>
> inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h
> b/drivers/phy/mediatek/phy-mtk-hdmi.h
> index a0571271d730..ef81e44a235d 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.h
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
> @@ -6,17 +6,9 @@
>
> #ifndef _MTK_HDMI_PHY_H
> #define _MTK_HDMI_PHY_H
> -#include <linux/clk.h>
> +
> #include <linux/clk-provider.h>
> -#include <linux/delay.h>
> -#include <linux/io.h>
> -#include <linux/mfd/syscon.h>
> -#include <linux/module.h>
> -#include <linux/of_device.h>
> -#include <linux/phy/phy.h>
> -#include <linux/platform_device.h>
> #include <linux/regmap.h>
> -#include <linux/types.h>
Please do not move common headers also into .c files
>
> struct mtk_hdmi_phy;
>
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH 2/4] phy: mediatek: phy-mtk-hdmi: Reorder to remove forward declarations
2022-01-03 15:30 ` [PATCH 2/4] phy: mediatek: phy-mtk-hdmi: Reorder to remove forward declarations AngeloGioacchino Del Regno
@ 2022-01-06 9:24 ` Chunfeng Yun
0 siblings, 0 replies; 8+ messages in thread
From: Chunfeng Yun @ 2022-01-06 9:24 UTC (permalink / raw)
To: AngeloGioacchino Del Regno, chunkuang.hu
Cc: linux-kernel, dri-devel, kishon, linux-phy, vkoul,
linux-mediatek, matthias.bgg, linux-arm-kernel
On Mon, 2022-01-03 at 16:30 +0100, AngeloGioacchino Del Regno wrote:
> Forward declarations for mtk_hdmi_power_{on,off} aren't necessary:
> move mtk_hdmi_phy_dev_ops down to remove forward declarations.
>
> Signed-off-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> ---
> drivers/phy/mediatek/phy-mtk-hdmi.c | 15 ++++++---------
> 1 file changed, 6 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c
> b/drivers/phy/mediatek/phy-mtk-hdmi.c
> index 707e90691e6e..b4193cb4e4e3 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
> @@ -6,15 +6,6 @@
>
> #include "phy-mtk-hdmi.h"
>
> -static int mtk_hdmi_phy_power_on(struct phy *phy);
> -static int mtk_hdmi_phy_power_off(struct phy *phy);
> -
> -static const struct phy_ops mtk_hdmi_phy_dev_ops = {
> - .power_on = mtk_hdmi_phy_power_on,
> - .power_off = mtk_hdmi_phy_power_off,
> - .owner = THIS_MODULE,
> -};
> -
> inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
> {
> return container_of(hw, struct mtk_hdmi_phy, pll_hw);
> @@ -43,6 +34,12 @@ static int mtk_hdmi_phy_power_off(struct phy *phy)
> return 0;
> }
>
> +static const struct phy_ops mtk_hdmi_phy_dev_ops = {
> + .power_on = mtk_hdmi_phy_power_on,
> + .power_off = mtk_hdmi_phy_power_off,
> + .owner = THIS_MODULE,
> +};
> +
> static const struct phy_ops *
> mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy)
> {
Reviewed-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Thanks a lot
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2022-01-06 9:24 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-03 15:30 [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access AngeloGioacchino Del Regno
2022-01-03 15:30 ` [PATCH 2/4] phy: mediatek: phy-mtk-hdmi: Reorder to remove forward declarations AngeloGioacchino Del Regno
2022-01-06 9:24 ` Chunfeng Yun
2022-01-03 15:30 ` [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop implicit header inclusion AngeloGioacchino Del Regno
2022-01-06 9:22 ` Chunfeng Yun
2022-01-03 15:30 ` [PATCH 4/4] phy: mediatek: phy-mtk-hdmi: Simplify with dev_err_probe() AngeloGioacchino Del Regno
2022-01-06 9:20 ` Chunfeng Yun
2022-01-06 8:26 ` [PATCH 1/4] phy: mediatek: phy-mtk-hdmi: Switch to regmap for mmio access Chunfeng Yun
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