From 941db0e55ce85501bdb557bd72d8980c01b5ccd3 Mon Sep 17 00:00:00 2001 From: Yu-Ping Wu Date: Fri, 23 Jul 2021 16:17:11 +0800 Subject: helpers: Add GENMASK macro The GENMASK is defined in multiple files (with various names such as MASKBIT), which sets certain consecutive bits to 1 and leaves the others to 0. To avoid duplicate macros, add GENMASK macro to helpers.h. GENMASK(high, low) sets bits from `high` to `low` (inclusive) to 1. For example, GENMASK(39, 21) gives us the 64-bit vector 0x000000ffffe00000. Remove duplicate macro definitions. Also utilize GENMASK for _BF_MASK in mmio.h. BUG=none TEST=make tests/commonlib/bsd/helpers-test TEST=emerge-cherry coreboot BRANCH=none Change-Id: If2e7c4827d8a7d27688534593b556a72f16f0c2b Signed-off-by: Yu-Ping Wu Reviewed-on: https://review.coreboot.org/c/coreboot/+/56543 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner --- src/soc/mediatek/mt8195/dptx_hal.c | 25 +++++++++++++------------ src/soc/mediatek/mt8195/include/soc/dptx_hal.h | 2 -- 2 files changed, 13 insertions(+), 14 deletions(-) (limited to 'src/soc/mediatek/mt8195') diff --git a/src/soc/mediatek/mt8195/dptx_hal.c b/src/soc/mediatek/mt8195/dptx_hal.c index 6c6143a92f..cc96cc85c3 100644 --- a/src/soc/mediatek/mt8195/dptx_hal.c +++ b/src/soc/mediatek/mt8195/dptx_hal.c @@ -9,6 +9,7 @@ #include #include #include +#include #define REG_OFFSET_LIMIT 0x8000 @@ -173,21 +174,21 @@ void dptx_hal_set_color_format(struct mtk_dp *mtk_dp, u8 out_format) { /* MISC0 */ mtk_dp_write_byte(mtk_dp, REG_3034_DP_ENCODER0_P0, - out_format << 0x1, MASKBIT(2, 1)); + out_format << 0x1, GENMASK(2, 1)); switch (out_format) { case DP_COLOR_FORMAT_RGB_444: case DP_COLOR_FORMAT_YUV_444: mtk_dp_write_byte(mtk_dp, REG_303C_DP_ENCODER0_P0 + 1, - 0, MASKBIT(6, 4)); + 0, GENMASK(6, 4)); break; case DP_COLOR_FORMAT_YUV_422: mtk_dp_write_byte(mtk_dp, REG_303C_DP_ENCODER0_P0 + 1, - BIT(4), MASKBIT(6, 4)); + BIT(4), GENMASK(6, 4)); break; case DP_COLOR_FORMAT_YUV_420: mtk_dp_write_byte(mtk_dp, REG_303C_DP_ENCODER0_P0 + 1, BIT(5), - MASKBIT(6, 4)); + GENMASK(6, 4)); break; default: break; @@ -592,15 +593,15 @@ void dptx_hal_hpd_int_en(struct mtk_dp *mtk_dp, bool enable) { /* [7]:int, [6]:Con, [5]DisCon, [4]No-Use: UnMASK HPD Port */ mtk_dp_write_byte(mtk_dp, REG_3418_DP_TRANS_P0, - enable ? 0 : MASKBIT(7, 5), MASKBIT(7, 5)); + enable ? 0 : GENMASK(7, 5), GENMASK(7, 5)); } void dptx_hal_hpd_detect_setting(struct mtk_dp *mtk_dp) { mtk_dp_write_byte(mtk_dp, REG_3410_DP_TRANS_P0, - 0x8, MASKBIT(3, 0)); + 0x8, GENMASK(3, 0)); mtk_dp_write_byte(mtk_dp, REG_3410_DP_TRANS_P0, - 0xa << 4, MASKBIT(7, 4)); + 0xa << 4, GENMASK(7, 4)); DP_WRITE1BYTE(mtk_dp, REG_3410_DP_TRANS_P0 + 1, 0x55); DP_WRITE1BYTE(mtk_dp, REG_3430_DP_TRANS_P0, 0x2); @@ -643,14 +644,14 @@ void dptx_hal_phy_setting(struct mtk_dp *mtk_dp) void dptx_hal_ssc_en(struct mtk_dp *mtk_dp, bool enable) { - mtk_dp_mask(mtk_dp, 0x2000, BIT(0), MASKBIT(1, 0)); + mtk_dp_mask(mtk_dp, 0x2000, BIT(0), GENMASK(1, 0)); if (enable) mtk_dp_mask(mtk_dp, 0x1014, BIT(3), BIT(3)); else mtk_dp_mask(mtk_dp, 0x1014, 0x0, BIT(3)); - mtk_dp_mask(mtk_dp, 0x2000, MASKBIT(1, 0), MASKBIT(1, 0)); + mtk_dp_mask(mtk_dp, 0x2000, GENMASK(1, 0), GENMASK(1, 0)); mdelay(1); } @@ -666,7 +667,7 @@ void dptx_hal_aux_setting(struct mtk_dp *mtk_dp) DP_WRITE1BYTE(mtk_dp, REG_3634_AUX_TX_P0 + 1, 0x19); /* 0xd for 26M */ mtk_dp_write_byte(mtk_dp, REG_3614_AUX_TX_P0, - 0xd, MASKBIT(6, 0)); + 0xd, GENMASK(6, 0)); mtk_dp_mask(mtk_dp, REG_37C8_AUX_TX_P0, 0x01 << MTK_ATOP_EN_AUX_TX_P0_FLDMASK_POS, MTK_ATOP_EN_AUX_TX_P0_FLDMASK); @@ -681,7 +682,7 @@ void dptx_hal_digital_setting(struct mtk_dp *mtk_dp) dptx_hal_set_color_depth(mtk_dp, DP_COLOR_DEPTH_8BIT); mtk_dp_write_byte(mtk_dp, REG_3368_DP_ENCODER1_P0 + 1, - BIT(4), MASKBIT(5, 4)); + BIT(4), GENMASK(5, 4)); /* DPtx encoder reset all sw. */ mtk_dp_write_byte(mtk_dp, REG_3004_DP_ENCODER0_P0 + 1, BIT(1), BIT(1)); @@ -758,7 +759,7 @@ void dptx_hal_set_txtrainingpattern(struct mtk_dp *mtk_dp, int value) dptx_hal_phy_setidlepattern(mtk_dp, false); mtk_dp_write_byte(mtk_dp, REG_3400_DP_TRANS_P0 + 1, - value, MASKBIT(7, 4)); + value, GENMASK(7, 4)); } void dptx_hal_phy_setidlepattern(struct mtk_dp *mtk_dp, bool enable) diff --git a/src/soc/mediatek/mt8195/include/soc/dptx_hal.h b/src/soc/mediatek/mt8195/include/soc/dptx_hal.h index b943c27cfa..dcb171705b 100644 --- a/src/soc/mediatek/mt8195/include/soc/dptx_hal.h +++ b/src/soc/mediatek/mt8195/include/soc/dptx_hal.h @@ -15,8 +15,6 @@ #define DP_AUX_NATIVE_WRITE 0x8 #define DP_AUX_NATIVE_READ 0x9 -#define MASKBIT(a, b) ((a > b) ? (BIT(a + 1) - BIT(b)) : (BIT(b + 1) - BIT(a))) - #define DP_WRITE1BYTE(mtk_dp, reg, u8_val) \ mtk_dp_write_byte(mtk_dp, reg, u8_val, 0xff) #define DP_WRITE2BYTE(mtk_dp, reg, u16_val) \ -- cgit v1.2.3