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phy: mediatek: mipi: mt8183: use common helper to access registers

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Use MediaTek phy's common helper to access registers, then we can remove
mipi-dsi's I/O helpers.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-18-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Chunfeng Yun 2022-09-20 17:00:37 +08:00 committed by Vinod Koul
parent d36d69a551
commit 5f88a93b5a
1 changed files with 33 additions and 33 deletions
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66
drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
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@ -4,6 +4,7 @@
* Author: jitao.shi <jitao.shi@mediatek.com>
*/
#include "phy-mtk-io.h"
#include "phy-mtk-mipi-dsi.h"
#define MIPITX_LANE_CON 0x000c
@ -46,6 +47,7 @@
static int mtk_mipi_tx_pll_enable(struct clk_hw *hw)
{
struct mtk_mipi_tx *mipi_tx = mtk_mipi_tx_from_clk_hw(hw);
void __iomem *base = mipi_tx->regs;
unsigned int txdiv, txdiv0;
u64 pcw;
@ -70,17 +72,16 @@ static int mtk_mipi_tx_pll_enable(struct clk_hw *hw)
return -EINVAL;
}
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_PLL_CON4, RG_DSI_PLL_IBIAS);
mtk_phy_clear_bits(base + MIPITX_PLL_CON4, RG_DSI_PLL_IBIAS);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_PLL_PWR, AD_DSI_PLL_SDM_PWR_ON);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_PLL_CON1, RG_DSI_PLL_EN);
mtk_phy_set_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_PWR_ON);
mtk_phy_clear_bits(base + MIPITX_PLL_CON1, RG_DSI_PLL_EN);
udelay(1);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_PLL_PWR, AD_DSI_PLL_SDM_ISO_EN);
mtk_phy_clear_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_ISO_EN);
pcw = div_u64(((u64)mipi_tx->data_rate * txdiv) << 24, 26000000);
writel(pcw, mipi_tx->regs + MIPITX_PLL_CON0);
mtk_mipi_tx_update_bits(mipi_tx, MIPITX_PLL_CON1, RG_DSI_PLL_POSDIV,
txdiv0 << 8);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_PLL_CON1, RG_DSI_PLL_EN);
writel(pcw, base + MIPITX_PLL_CON0);
mtk_phy_update_field(base + MIPITX_PLL_CON1, RG_DSI_PLL_POSDIV, txdiv0);
mtk_phy_set_bits(base + MIPITX_PLL_CON1, RG_DSI_PLL_EN);
return 0;
}
@ -88,11 +89,12 @@ static int mtk_mipi_tx_pll_enable(struct clk_hw *hw)
static void mtk_mipi_tx_pll_disable(struct clk_hw *hw)
{
struct mtk_mipi_tx *mipi_tx = mtk_mipi_tx_from_clk_hw(hw);
void __iomem *base = mipi_tx->regs;
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_PLL_CON1, RG_DSI_PLL_EN);
mtk_phy_clear_bits(base + MIPITX_PLL_CON1, RG_DSI_PLL_EN);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_PLL_PWR, AD_DSI_PLL_SDM_ISO_EN);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_PLL_PWR, AD_DSI_PLL_SDM_PWR_ON);
mtk_phy_set_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_ISO_EN);
mtk_phy_clear_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_PWR_ON);
}
static long mtk_mipi_tx_pll_round_rate(struct clk_hw *hw, unsigned long rate,
@ -121,7 +123,7 @@ static void mtk_mipi_tx_config_calibration_data(struct mtk_mipi_tx *mipi_tx)
mipi_tx->rt_code[i] |= 0x10 << 5;
for (j = 0; j < 10; j++)
mtk_mipi_tx_update_bits(mipi_tx,
mtk_phy_update_bits(mipi_tx->regs +
MIPITX_D2P_RTCODE * (i + 1) + j * 4,
1, mipi_tx->rt_code[i] >> j & 1);
}
@ -130,44 +132,42 @@ static void mtk_mipi_tx_config_calibration_data(struct mtk_mipi_tx *mipi_tx)
static void mtk_mipi_tx_power_on_signal(struct phy *phy)
{
struct mtk_mipi_tx *mipi_tx = phy_get_drvdata(phy);
void __iomem *base = mipi_tx->regs;
/* BG_LPF_EN / BG_CORE_EN */
writel(RG_DSI_PAD_TIEL_SEL | RG_DSI_BG_CORE_EN,
mipi_tx->regs + MIPITX_LANE_CON);
writel(RG_DSI_PAD_TIEL_SEL | RG_DSI_BG_CORE_EN, base + MIPITX_LANE_CON);
usleep_range(30, 100);
writel(RG_DSI_BG_CORE_EN | RG_DSI_BG_LPF_EN,
mipi_tx->regs + MIPITX_LANE_CON);
writel(RG_DSI_BG_CORE_EN | RG_DSI_BG_LPF_EN, base + MIPITX_LANE_CON);
/* Switch OFF each Lane */
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_D0_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_D1_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_D2_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_clear_bits(base + MIPITX_D0_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_clear_bits(base + MIPITX_D1_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_clear_bits(base + MIPITX_D2_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_clear_bits(base + MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_clear_bits(base + MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_update_bits(mipi_tx, MIPITX_VOLTAGE_SEL,
RG_DSI_HSTX_LDO_REF_SEL,
(mipi_tx->mipitx_drive - 3000) / 200 << 6);
mtk_phy_update_field(base + MIPITX_VOLTAGE_SEL, RG_DSI_HSTX_LDO_REF_SEL,
(mipi_tx->mipitx_drive - 3000) / 200);
mtk_mipi_tx_config_calibration_data(mipi_tx);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_CK_CKMODE_EN, DSI_CK_CKMODE_EN);
mtk_phy_set_bits(base + MIPITX_CK_CKMODE_EN, DSI_CK_CKMODE_EN);
}
static void mtk_mipi_tx_power_off_signal(struct phy *phy)
{
struct mtk_mipi_tx *mipi_tx = phy_get_drvdata(phy);
void __iomem *base = mipi_tx->regs;
/* Switch ON each Lane */
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_D0_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_D1_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_D2_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_set_bits(base + MIPITX_D0_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_set_bits(base + MIPITX_D1_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_set_bits(base + MIPITX_D2_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_set_bits(base + MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_phy_set_bits(base + MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN);
writel(RG_DSI_PAD_TIEL_SEL | RG_DSI_BG_CORE_EN,
mipi_tx->regs + MIPITX_LANE_CON);
writel(RG_DSI_PAD_TIEL_SEL, mipi_tx->regs + MIPITX_LANE_CON);
writel(RG_DSI_PAD_TIEL_SEL | RG_DSI_BG_CORE_EN, base + MIPITX_LANE_CON);
writel(RG_DSI_PAD_TIEL_SEL, base + MIPITX_LANE_CON);
}
const struct mtk_mipitx_data mt8183_mipitx_data = {