From: Yakir Yang Date: Mon, 15 Feb 2016 11:10:54 +0000 (+0800) Subject: drm: bridge: analogix/dp: add some rk3288 special registers setting X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bcec20fd5ad63ea03427c40027b33c7fd995c8bc;p=linux-beck.git drm: bridge: analogix/dp: add some rk3288 special registers setting RK3288 need some special registers setting, we can separate them out by the dev_type of plat_data. Tested-by: Caesar Wang Tested-by: Douglas Anderson Tested-by: Heiko Stuebner Signed-off-by: Yakir Yang --- diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index 3858df5c687c..1e24b3722ff1 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -15,6 +15,8 @@ #include #include +#include + #include "analogix_dp_core.h" #include "analogix_dp_reg.h" @@ -72,6 +74,14 @@ void analogix_dp_init_analog_param(struct analogix_dp_device *dp) reg = SEL_24M | TX_DVDD_BIT_1_0625V; writel(reg, dp->reg_base + ANALOGIX_DP_ANALOG_CTL_2); + if (dp->plat_data && (dp->plat_data->dev_type == RK3288_DP)) { + writel(REF_CLK_24M, dp->reg_base + ANALOGIX_DP_PLL_REG_1); + writel(0x95, dp->reg_base + ANALOGIX_DP_PLL_REG_2); + writel(0x40, dp->reg_base + ANALOGIX_DP_PLL_REG_3); + writel(0x58, dp->reg_base + ANALOGIX_DP_PLL_REG_4); + writel(0x22, dp->reg_base + ANALOGIX_DP_PLL_REG_5); + } + reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO; writel(reg, dp->reg_base + ANALOGIX_DP_ANALOG_CTL_3); @@ -206,81 +216,85 @@ void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp, bool enable) { u32 reg; + u32 phy_pd_addr = ANALOGIX_DP_PHY_PD; + + if (dp->plat_data && (dp->plat_data->dev_type == RK3288_DP)) + phy_pd_addr = ANALOGIX_DP_PD; switch (block) { case AUX_BLOCK: if (enable) { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg |= AUX_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } else { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg &= ~AUX_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } break; case CH0_BLOCK: if (enable) { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg |= CH0_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } else { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg &= ~CH0_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } break; case CH1_BLOCK: if (enable) { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg |= CH1_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } else { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg &= ~CH1_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } break; case CH2_BLOCK: if (enable) { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg |= CH2_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } else { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg &= ~CH2_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } break; case CH3_BLOCK: if (enable) { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg |= CH3_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } else { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg &= ~CH3_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } break; case ANALOG_TOTAL: if (enable) { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg |= DP_PHY_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } else { - reg = readl(dp->reg_base + ANALOGIX_DP_PHY_PD); + reg = readl(dp->reg_base + phy_pd_addr); reg &= ~DP_PHY_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } break; case POWER_ALL: if (enable) { reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD | CH1_PD | CH0_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(reg, dp->reg_base + phy_pd_addr); } else { - writel(0x00, dp->reg_base + ANALOGIX_DP_PHY_PD); + writel(0x00, dp->reg_base + phy_pd_addr); } break; default: @@ -399,8 +413,14 @@ void analogix_dp_init_aux(struct analogix_dp_device *dp) analogix_dp_reset_aux(dp); /* Disable AUX transaction H/W retry */ - reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | AUX_HW_RETRY_COUNT_SEL(0) | - AUX_HW_RETRY_INTERVAL_600_MICROSECONDS; + if (dp->plat_data && (dp->plat_data->dev_type == RK3288_DP)) + reg = AUX_BIT_PERIOD_EXPECTED_DELAY(0) | + AUX_HW_RETRY_COUNT_SEL(3) | + AUX_HW_RETRY_INTERVAL_600_MICROSECONDS; + else + reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | + AUX_HW_RETRY_COUNT_SEL(0) | + AUX_HW_RETRY_INTERVAL_600_MICROSECONDS; writel(reg, dp->reg_base + ANALOGIX_DP_AUX_HW_RETRY_CTL); /* Receive AUX Channel DEFER commands equal to DEFFER_COUNT*64 */ diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h index 738db4c474a0..337912b0aeab 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h @@ -22,6 +22,14 @@ #define ANALOGIX_DP_VIDEO_CTL_8 0x3C #define ANALOGIX_DP_VIDEO_CTL_10 0x44 +#define ANALOGIX_DP_PLL_REG_1 0xfc +#define ANALOGIX_DP_PLL_REG_2 0x9e4 +#define ANALOGIX_DP_PLL_REG_3 0x9e8 +#define ANALOGIX_DP_PLL_REG_4 0x9ec +#define ANALOGIX_DP_PLL_REG_5 0xa00 + +#define ANALOGIX_DP_PD 0x12c + #define ANALOGIX_DP_LANE_MAP 0x35C #define ANALOGIX_DP_ANALOG_CTL_1 0x370 @@ -154,6 +162,10 @@ #define VSYNC_POLARITY_CFG (0x1 << 1) #define HSYNC_POLARITY_CFG (0x1 << 0) +/* ANALOGIX_DP_PLL_REG_1 */ +#define REF_CLK_24M (0x1 << 1) +#define REF_CLK_27M (0x0 << 1) + /* ANALOGIX_DP_LANE_MAP */ #define LANE3_MAP_LOGIC_LANE_0 (0x0 << 6) #define LANE3_MAP_LOGIC_LANE_1 (0x1 << 6)