forked from Minki/linux
cca1705c3d
Introduce PX30 LVDS support. This means adding the relevant helper functions, a specific probe and also the initialization of a specific PHY. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20191224143900.23567-10-miquel.raynal@bootlin.com
124 lines
4.3 KiB
C
124 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
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* Author:
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* Sandy Huang <hjc@rock-chips.com>
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* Mark Yao <mark.yao@rock-chips.com>
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*/
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#ifndef _ROCKCHIP_LVDS_
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#define _ROCKCHIP_LVDS_
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#define RK3288_LVDS_CH0_REG0 0x00
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#define RK3288_LVDS_CH0_REG0_LVDS_EN BIT(7)
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#define RK3288_LVDS_CH0_REG0_TTL_EN BIT(6)
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#define RK3288_LVDS_CH0_REG0_LANECK_EN BIT(5)
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#define RK3288_LVDS_CH0_REG0_LANE4_EN BIT(4)
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#define RK3288_LVDS_CH0_REG0_LANE3_EN BIT(3)
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#define RK3288_LVDS_CH0_REG0_LANE2_EN BIT(2)
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#define RK3288_LVDS_CH0_REG0_LANE1_EN BIT(1)
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#define RK3288_LVDS_CH0_REG0_LANE0_EN BIT(0)
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#define RK3288_LVDS_CH0_REG1 0x04
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#define RK3288_LVDS_CH0_REG1_LANECK_BIAS BIT(5)
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#define RK3288_LVDS_CH0_REG1_LANE4_BIAS BIT(4)
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#define RK3288_LVDS_CH0_REG1_LANE3_BIAS BIT(3)
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#define RK3288_LVDS_CH0_REG1_LANE2_BIAS BIT(2)
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#define RK3288_LVDS_CH0_REG1_LANE1_BIAS BIT(1)
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#define RK3288_LVDS_CH0_REG1_LANE0_BIAS BIT(0)
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#define RK3288_LVDS_CH0_REG2 0x08
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#define RK3288_LVDS_CH0_REG2_RESERVE_ON BIT(7)
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#define RK3288_LVDS_CH0_REG2_LANECK_LVDS_MODE BIT(6)
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#define RK3288_LVDS_CH0_REG2_LANE4_LVDS_MODE BIT(5)
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#define RK3288_LVDS_CH0_REG2_LANE3_LVDS_MODE BIT(4)
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#define RK3288_LVDS_CH0_REG2_LANE2_LVDS_MODE BIT(3)
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#define RK3288_LVDS_CH0_REG2_LANE1_LVDS_MODE BIT(2)
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#define RK3288_LVDS_CH0_REG2_LANE0_LVDS_MODE BIT(1)
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#define RK3288_LVDS_CH0_REG2_PLL_FBDIV8 BIT(0)
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#define RK3288_LVDS_CH0_REG3 0x0c
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#define RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK 0xff
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#define RK3288_LVDS_CH0_REG4 0x10
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#define RK3288_LVDS_CH0_REG4_LANECK_TTL_MODE BIT(5)
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#define RK3288_LVDS_CH0_REG4_LANE4_TTL_MODE BIT(4)
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#define RK3288_LVDS_CH0_REG4_LANE3_TTL_MODE BIT(3)
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#define RK3288_LVDS_CH0_REG4_LANE2_TTL_MODE BIT(2)
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#define RK3288_LVDS_CH0_REG4_LANE1_TTL_MODE BIT(1)
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#define RK3288_LVDS_CH0_REG4_LANE0_TTL_MODE BIT(0)
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#define RK3288_LVDS_CH0_REG5 0x14
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#define RK3288_LVDS_CH0_REG5_LANECK_TTL_DATA BIT(5)
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#define RK3288_LVDS_CH0_REG5_LANE4_TTL_DATA BIT(4)
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#define RK3288_LVDS_CH0_REG5_LANE3_TTL_DATA BIT(3)
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#define RK3288_LVDS_CH0_REG5_LANE2_TTL_DATA BIT(2)
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#define RK3288_LVDS_CH0_REG5_LANE1_TTL_DATA BIT(1)
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#define RK3288_LVDS_CH0_REG5_LANE0_TTL_DATA BIT(0)
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#define RK3288_LVDS_CFG_REGC 0x30
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#define RK3288_LVDS_CFG_REGC_PLL_ENABLE 0x00
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#define RK3288_LVDS_CFG_REGC_PLL_DISABLE 0xff
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#define RK3288_LVDS_CH0_REGD 0x34
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#define RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK 0x1f
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#define RK3288_LVDS_CH0_REG20 0x80
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#define RK3288_LVDS_CH0_REG20_MSB 0x45
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#define RK3288_LVDS_CH0_REG20_LSB 0x44
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#define RK3288_LVDS_CFG_REG21 0x84
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#define RK3288_LVDS_CFG_REG21_TX_ENABLE 0x92
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#define RK3288_LVDS_CFG_REG21_TX_DISABLE 0x00
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#define RK3288_LVDS_CH1_OFFSET 0x100
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#define RK3288_LVDS_GRF_SOC_CON6 0x025C
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#define RK3288_LVDS_GRF_SOC_CON7 0x0260
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/* fbdiv value is split over 2 registers, with bit8 in reg2 */
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#define RK3288_LVDS_PLL_FBDIV_REG2(_fbd) \
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(_fbd & BIT(8) ? RK3288_LVDS_CH0_REG2_PLL_FBDIV8 : 0)
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#define RK3288_LVDS_PLL_FBDIV_REG3(_fbd) \
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(_fbd & RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK)
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#define RK3288_LVDS_PLL_PREDIV_REGD(_pd) \
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(_pd & RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK)
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#define RK3288_LVDS_SOC_CON6_SEL_VOP_LIT BIT(3)
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#define LVDS_FMT_MASK (0x07 << 16)
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#define LVDS_MSB BIT(3)
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#define LVDS_DUAL BIT(4)
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#define LVDS_FMT_1 BIT(5)
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#define LVDS_TTL_EN BIT(6)
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#define LVDS_START_PHASE_RST_1 BIT(7)
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#define LVDS_DCLK_INV BIT(8)
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#define LVDS_CH0_EN BIT(11)
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#define LVDS_CH1_EN BIT(12)
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#define LVDS_PWRDN BIT(15)
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#define LVDS_24BIT (0 << 1)
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#define LVDS_18BIT (1 << 1)
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#define LVDS_FORMAT_VESA (0 << 0)
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#define LVDS_FORMAT_JEIDA (1 << 0)
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#define LVDS_VESA_24 0
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#define LVDS_JEIDA_24 1
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#define LVDS_VESA_18 2
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#define LVDS_JEIDA_18 3
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#define HIWORD_UPDATE(v, h, l) ((GENMASK(h, l) << 16) | ((v) << (l)))
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#define PX30_LVDS_GRF_PD_VO_CON0 0x434
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#define PX30_LVDS_TIE_CLKS(val) HIWORD_UPDATE(val, 8, 8)
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#define PX30_LVDS_INVERT_CLKS(val) HIWORD_UPDATE(val, 9, 9)
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#define PX30_LVDS_INVERT_DCLK(val) HIWORD_UPDATE(val, 5, 5)
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#define PX30_LVDS_GRF_PD_VO_CON1 0x438
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#define PX30_LVDS_FORMAT(val) HIWORD_UPDATE(val, 14, 13)
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#define PX30_LVDS_MODE_EN(val) HIWORD_UPDATE(val, 12, 12)
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#define PX30_LVDS_MSBSEL(val) HIWORD_UPDATE(val, 11, 11)
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#define PX30_LVDS_P2S_EN(val) HIWORD_UPDATE(val, 6, 6)
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#define PX30_LVDS_VOP_SEL(val) HIWORD_UPDATE(val, 1, 1)
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#endif /* _ROCKCHIP_LVDS_ */
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