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phy: rockchip: csi2-dphy: optimize config operation code

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Signed-off-by: Allon Huang <allon.huang@rock-chips.com>
Change-Id: I210e8de9b437d5117649609c53591dedf42fae00
This commit is contained in:
Allon Huang 2021-03-11 15:30:37 +08:00 committed by Tao Huang
parent 6a40ead69f
commit 20118d8c09
1 changed files with 15 additions and 7 deletions
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22
drivers/phy/rockchip/phy-rockchip-csi2-dphy-hw.c
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@ -128,6 +128,8 @@ enum grf_reg_id {
GRF_DPHY_ISP_CSI2PHY_SEL,
GRF_DPHY_CIF_CSI2PHY_SEL,
GRF_DPHY_CSI2PHY_LANE_SEL,
GRF_DPHY_CSI2PHY_DATALANE_EN0,
GRF_DPHY_CSI2PHY_DATALANE_EN1,
};
enum csi2dphy_reg_id {
@ -250,6 +252,8 @@ static void csi_mipidphy_wr_ths_settle(struct csi2_dphy_hw *hw,
static const struct grf_reg rk3568_grf_dphy_regs[] = {
[GRF_DPHY_CSI2PHY_FORCERXMODE] = GRF_REG(GRF_VI_CON0, 4, 0),
[GRF_DPHY_CSI2PHY_DATALANE_EN] = GRF_REG(GRF_VI_CON0, 4, 4),
[GRF_DPHY_CSI2PHY_DATALANE_EN0] = GRF_REG(GRF_VI_CON0, 2, 4),
[GRF_DPHY_CSI2PHY_DATALANE_EN1] = GRF_REG(GRF_VI_CON0, 2, 6),
[GRF_DPHY_CSI2PHY_CLKLANE_EN] = GRF_REG(GRF_VI_CON0, 1, 8),
[GRF_DPHY_CLK_INV_SEL] = GRF_REG(GRF_VI_CON0, 1, 9),
[GRF_DPHY_CSI2PHY_CLKLANE1_EN] = GRF_REG(GRF_VI_CON0, 1, 10),
@ -339,12 +343,12 @@ static void csi2_dphy_config_dual_mode(struct csi2_dphy *dphy,
GENMASK(sensor->lanes - 1, 0));
write_grf_reg(hw, GRF_DPHY_CSI2PHY_CLKLANE_EN, 0x1);
} else {
val = GRF_CSI2PHY_LANE_SEL_SPLIT;
write_grf_reg(hw, GRF_DPHY_CSI2PHY_LANE_SEL, val);
write_grf_reg(hw, GRF_DPHY_CSI2PHY_DATALANE_EN, GENMASK(3, 0));
if (dphy->phy_index == DPHY1) {
write_grf_reg(hw, GRF_DPHY_CSI2PHY_DATALANE_EN0,
GENMASK(sensor->lanes - 1, 0));
write_grf_reg(hw, GRF_DPHY_CSI2PHY_CLKLANE_EN, 0x1);
if (is_cif)
write_grf_reg(hw, GRF_DPHY_CIF_CSI2PHY_SEL,
@ -355,6 +359,8 @@ static void csi2_dphy_config_dual_mode(struct csi2_dphy *dphy,
}
if (dphy->phy_index == DPHY2) {
write_grf_reg(hw, GRF_DPHY_CSI2PHY_DATALANE_EN1,
GENMASK(sensor->lanes - 1, 0));
write_grf_reg(hw, GRF_DPHY_CSI2PHY_CLKLANE1_EN, 0x1);
if (is_cif)
write_grf_reg(hw, GRF_DPHY_CIF_CSI2PHY_SEL,
@ -392,14 +398,16 @@ static int csi2_dphy_hw_stream_on(struct csi2_dphy *dphy,
CSI2_DPHY_CTRL_DATALANE_ENABLE_OFFSET_BIT) |
(0x1 << CSI2_DPHY_CTRL_CLKLANE_ENABLE_OFFSET_BIT);
} else {
if (!(pre_val & (0x1 << CSI2_DPHY_CTRL_CLKLANE_ENABLE_OFFSET_BIT)))
val |= (0x1 << CSI2_DPHY_CTRL_CLKLANE_ENABLE_OFFSET_BIT);
if (dphy->phy_index == DPHY1)
val = (0x1 << CSI2_DPHY_CTRL_CLKLANE_ENABLE_OFFSET_BIT) |
(GENMASK(sensor->lanes - 1, 0) <<
CSI2_DPHY_CTRL_DATALANE_ENABLE_OFFSET_BIT);
val |= (GENMASK(sensor->lanes - 1, 0) <<
CSI2_DPHY_CTRL_DATALANE_ENABLE_OFFSET_BIT);
if (dphy->phy_index == DPHY2)
val = (GENMASK(sensor->lanes - 1, 0) <<
CSI2_DPHY_CTRL_DATALANE_SPLIT_LANE2_3_OFFSET_BIT);
val |= (GENMASK(sensor->lanes - 1, 0) <<
CSI2_DPHY_CTRL_DATALANE_SPLIT_LANE2_3_OFFSET_BIT);
}
val |= pre_val;
write_csi2_dphy_reg(hw, CSI2PHY_REG_CTRL_LANE_ENABLE, val);