xref: /openbmc/u-boot/drivers/video/anx98xx-edp.h (revision baefb63a)
1 /*
2  * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
3  * Copyright (C) 2017 Vasily Khoruzhick <anarsoul@gmail.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /* Registers at i2c address 0x38 */
9 
10 #define ANX9804_HDCP_CONTROL_0_REG				0x01
11 
12 #define ANX9804_SYS_CTRL1_REG					0x80
13 #define ANX9804_SYS_CTRL1_PD_IO					0x80
14 #define ANX9804_SYS_CTRL1_PD_VID				0x40
15 #define ANX9804_SYS_CTRL1_PD_LINK				0x20
16 #define ANX9804_SYS_CTRL1_PD_TOTAL				0x10
17 #define ANX9804_SYS_CTRL1_MODE_SEL				0x08
18 #define ANX9804_SYS_CTRL1_DET_STA				0x04
19 #define ANX9804_SYS_CTRL1_FORCE_DET				0x02
20 #define ANX9804_SYS_CTRL1_DET_CTRL				0x01
21 
22 #define ANX9804_SYS_CTRL2_REG					0x81
23 #define ANX9804_SYS_CTRL2_CHA_STA				0x04
24 
25 #define ANX9804_SYS_CTRL3_REG					0x82
26 #define ANX9804_SYS_CTRL3_VALID_CTRL				BIT(0)
27 #define ANX9804_SYS_CTRL3_F_VALID				BIT(1)
28 #define ANX9804_SYS_CTRL3_HPD_CTRL				BIT(4)
29 #define ANX9804_SYS_CTRL3_F_HPD					BIT(5)
30 
31 #define ANX9804_LINK_BW_SET_REG					0xa0
32 #define ANX9804_LANE_COUNT_SET_REG				0xa1
33 #define ANX9804_TRAINING_PTN_SET_REG				0xa2
34 #define ANX9804_TRAINING_LANE0_SET_REG				0xa3
35 #define ANX9804_TRAINING_LANE1_SET_REG				0xa4
36 #define ANX9804_TRAINING_LANE2_SET_REG				0xa5
37 #define ANX9804_TRAINING_LANE3_SET_REG				0xa6
38 
39 #define ANX9804_LINK_TRAINING_CTRL_REG				0xa8
40 #define ANX9804_LINK_TRAINING_CTRL_EN				BIT(0)
41 
42 #define ANX9804_LINK_DEBUG_REG					0xb8
43 #define ANX9804_PLL_CTRL_REG					0xc7
44 #define ANX9804_ANALOG_POWER_DOWN_REG				0xc8
45 
46 #define ANX9804_AUX_CH_STA					0xe0
47 #define ANX9804_AUX_BUSY					BIT(4)
48 #define ANX9804_AUX_STATUS_MASK					0x0f
49 
50 #define ANX9804_DP_AUX_RX_COMM					0xe3
51 #define ANX9804_AUX_RX_COMM_I2C_DEFER				BIT(3)
52 #define ANX9804_AUX_RX_COMM_AUX_DEFER				BIT(1)
53 
54 #define ANX9804_DP_AUX_CH_CTL_1					0xe5
55 #define ANX9804_AUX_LENGTH(x)					(((x - 1) & 0x0f) << 4)
56 #define ANX9804_AUX_TX_COMM_MASK				0x0f
57 #define ANX9804_AUX_TX_COMM_DP_TRANSACTION			BIT(3)
58 #define ANX9804_AUX_TX_COMM_MOT					BIT(2)
59 #define ANX9804_AUX_TX_COMM_READ				BIT(0)
60 
61 #define ANX9804_DP_AUX_ADDR_7_0					0xe6
62 #define ANX9804_DP_AUX_ADDR_15_8				0xe7
63 #define ANX9804_DP_AUX_ADDR_19_16				0xe8
64 
65 #define ANX9804_DP_AUX_CH_CTL_2					0xe9
66 #define ANX9804_ADDR_ONLY					BIT(1)
67 #define ANX9804_AUX_EN						BIT(0)
68 
69 #define ANX9804_BUF_DATA_0					0xf0
70 
71 /* Registers at i2c address 0x39 */
72 
73 #define ANX9804_DEV_IDH_REG					0x03
74 
75 #define ANX9804_POWERD_CTRL_REG					0x05
76 #define ANX9804_POWERD_AUDIO					BIT(4)
77 
78 #define ANX9804_RST_CTRL_REG					0x06
79 
80 #define ANX9804_RST_CTRL2_REG					0x07
81 #define ANX9804_RST_CTRL2_AUX					BIT(2)
82 #define ANX9804_RST_CTRL2_AC_MODE				BIT(6)
83 
84 #define ANX9804_VID_CTRL1_REG					0x08
85 #define ANX9804_VID_CTRL1_VID_EN				BIT(7)
86 #define ANX9804_VID_CTRL1_EDGE					BIT(0)
87 
88 #define ANX9804_VID_CTRL2_REG					0x09
89 #define ANX9804_ANALOG_DEBUG_REG1				0xdc
90 #define ANX9804_ANALOG_DEBUG_REG3				0xde
91 #define ANX9804_PLL_FILTER_CTRL1				0xdf
92 #define ANX9804_PLL_FILTER_CTRL3				0xe1
93 #define ANX9804_PLL_FILTER_CTRL					0xe2
94 #define ANX9804_PLL_CTRL3					0xe6
95 
96 #define ANX9804_DP_INT_STA					0xf7
97 #define ANX9804_RPLY_RECEIV					BIT(1)
98 #define ANX9804_AUX_ERR						BIT(0)
99