xref: /linux/drivers/gpu/drm/rockchip/rockchip_lvds.h (revision 55a42f78ffd386e01a5404419f8c5ded7db70a21)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) Rockchip Electronics Co., Ltd.
4  * Author:
5  *      Sandy Huang <hjc@rock-chips.com>
6  *      Mark Yao <mark.yao@rock-chips.com>
7  */
8 
9 #ifndef _ROCKCHIP_LVDS_
10 #define _ROCKCHIP_LVDS_
11 
12 #include <linux/bits.h>
13 #include <linux/hw_bitfield.h>
14 
15 #define RK3288_LVDS_CH0_REG0			0x00
16 #define RK3288_LVDS_CH0_REG0_LVDS_EN		BIT(7)
17 #define RK3288_LVDS_CH0_REG0_TTL_EN		BIT(6)
18 #define RK3288_LVDS_CH0_REG0_LANECK_EN		BIT(5)
19 #define RK3288_LVDS_CH0_REG0_LANE4_EN		BIT(4)
20 #define RK3288_LVDS_CH0_REG0_LANE3_EN		BIT(3)
21 #define RK3288_LVDS_CH0_REG0_LANE2_EN		BIT(2)
22 #define RK3288_LVDS_CH0_REG0_LANE1_EN		BIT(1)
23 #define RK3288_LVDS_CH0_REG0_LANE0_EN		BIT(0)
24 
25 #define RK3288_LVDS_CH0_REG1			0x04
26 #define RK3288_LVDS_CH0_REG1_LANECK_BIAS	BIT(5)
27 #define RK3288_LVDS_CH0_REG1_LANE4_BIAS		BIT(4)
28 #define RK3288_LVDS_CH0_REG1_LANE3_BIAS		BIT(3)
29 #define RK3288_LVDS_CH0_REG1_LANE2_BIAS		BIT(2)
30 #define RK3288_LVDS_CH0_REG1_LANE1_BIAS		BIT(1)
31 #define RK3288_LVDS_CH0_REG1_LANE0_BIAS		BIT(0)
32 
33 #define RK3288_LVDS_CH0_REG2			0x08
34 #define RK3288_LVDS_CH0_REG2_RESERVE_ON		BIT(7)
35 #define RK3288_LVDS_CH0_REG2_LANECK_LVDS_MODE	BIT(6)
36 #define RK3288_LVDS_CH0_REG2_LANE4_LVDS_MODE	BIT(5)
37 #define RK3288_LVDS_CH0_REG2_LANE3_LVDS_MODE	BIT(4)
38 #define RK3288_LVDS_CH0_REG2_LANE2_LVDS_MODE	BIT(3)
39 #define RK3288_LVDS_CH0_REG2_LANE1_LVDS_MODE	BIT(2)
40 #define RK3288_LVDS_CH0_REG2_LANE0_LVDS_MODE	BIT(1)
41 #define RK3288_LVDS_CH0_REG2_PLL_FBDIV8		BIT(0)
42 
43 #define RK3288_LVDS_CH0_REG3			0x0c
44 #define RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK	0xff
45 
46 #define RK3288_LVDS_CH0_REG4			0x10
47 #define RK3288_LVDS_CH0_REG4_LANECK_TTL_MODE	BIT(5)
48 #define RK3288_LVDS_CH0_REG4_LANE4_TTL_MODE	BIT(4)
49 #define RK3288_LVDS_CH0_REG4_LANE3_TTL_MODE	BIT(3)
50 #define RK3288_LVDS_CH0_REG4_LANE2_TTL_MODE	BIT(2)
51 #define RK3288_LVDS_CH0_REG4_LANE1_TTL_MODE	BIT(1)
52 #define RK3288_LVDS_CH0_REG4_LANE0_TTL_MODE	BIT(0)
53 
54 #define RK3288_LVDS_CH0_REG5			0x14
55 #define RK3288_LVDS_CH0_REG5_LANECK_TTL_DATA	BIT(5)
56 #define RK3288_LVDS_CH0_REG5_LANE4_TTL_DATA	BIT(4)
57 #define RK3288_LVDS_CH0_REG5_LANE3_TTL_DATA	BIT(3)
58 #define RK3288_LVDS_CH0_REG5_LANE2_TTL_DATA	BIT(2)
59 #define RK3288_LVDS_CH0_REG5_LANE1_TTL_DATA	BIT(1)
60 #define RK3288_LVDS_CH0_REG5_LANE0_TTL_DATA	BIT(0)
61 
62 #define RK3288_LVDS_CFG_REGC			0x30
63 #define RK3288_LVDS_CFG_REGC_PLL_ENABLE		0x00
64 #define RK3288_LVDS_CFG_REGC_PLL_DISABLE	0xff
65 
66 #define RK3288_LVDS_CH0_REGD			0x34
67 #define RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK	0x1f
68 
69 #define RK3288_LVDS_CH0_REG20			0x80
70 #define RK3288_LVDS_CH0_REG20_MSB		0x45
71 #define RK3288_LVDS_CH0_REG20_LSB		0x44
72 
73 #define RK3288_LVDS_CFG_REG21			0x84
74 #define RK3288_LVDS_CFG_REG21_TX_ENABLE		0x92
75 #define RK3288_LVDS_CFG_REG21_TX_DISABLE	0x00
76 #define RK3288_LVDS_CH1_OFFSET			0x100
77 
78 #define RK3288_LVDS_GRF_SOC_CON6		0x025C
79 #define RK3288_LVDS_GRF_SOC_CON7		0x0260
80 
81 /* fbdiv value is split over 2 registers, with bit8 in reg2 */
82 #define RK3288_LVDS_PLL_FBDIV_REG2(_fbd) \
83 		(_fbd & BIT(8) ? RK3288_LVDS_CH0_REG2_PLL_FBDIV8 : 0)
84 #define RK3288_LVDS_PLL_FBDIV_REG3(_fbd) \
85 		(_fbd & RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK)
86 #define RK3288_LVDS_PLL_PREDIV_REGD(_pd) \
87 		(_pd & RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK)
88 
89 #define RK3288_LVDS_SOC_CON6_SEL_VOP_LIT	BIT(3)
90 
91 #define LVDS_FMT_MASK				(0x07 << 16)
92 #define LVDS_MSB				BIT(3)
93 #define LVDS_DUAL				BIT(4)
94 #define LVDS_FMT_1				BIT(5)
95 #define LVDS_TTL_EN				BIT(6)
96 #define LVDS_START_PHASE_RST_1			BIT(7)
97 #define LVDS_DCLK_INV				BIT(8)
98 #define LVDS_CH0_EN				BIT(11)
99 #define LVDS_CH1_EN				BIT(12)
100 #define LVDS_PWRDN				BIT(15)
101 
102 #define LVDS_24BIT				(0 << 1)
103 #define LVDS_18BIT				(1 << 1)
104 #define LVDS_FORMAT_VESA			(0 << 0)
105 #define LVDS_FORMAT_JEIDA			(1 << 0)
106 
107 #define LVDS_VESA_24				0
108 #define LVDS_JEIDA_24				1
109 #define LVDS_VESA_18				2
110 #define LVDS_JEIDA_18				3
111 
112 #define PX30_LVDS_GRF_PD_VO_CON0		0x434
113 #define   PX30_LVDS_TIE_CLKS(val)		FIELD_PREP_WM16(BIT(8), (val))
114 #define   PX30_LVDS_INVERT_CLKS(val)		FIELD_PREP_WM16(BIT(9), (val))
115 #define   PX30_LVDS_INVERT_DCLK(val)		FIELD_PREP_WM16(BIT(5), (val))
116 
117 #define PX30_LVDS_GRF_PD_VO_CON1		0x438
118 #define   PX30_LVDS_FORMAT(val)			FIELD_PREP_WM16(GENMASK(14, 13), (val))
119 #define   PX30_LVDS_MODE_EN(val)		FIELD_PREP_WM16(BIT(12), (val))
120 #define   PX30_LVDS_MSBSEL(val)			FIELD_PREP_WM16(BIT(11), (val))
121 #define   PX30_LVDS_P2S_EN(val)			FIELD_PREP_WM16(BIT(6), (val))
122 #define   PX30_LVDS_VOP_SEL(val)		FIELD_PREP_WM16(BIT(1), (val))
123 
124 #endif /* _ROCKCHIP_LVDS_ */
125