1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
4 * Copyright (C) 2017 Vasily Khoruzhick <anarsoul@gmail.com>
7 /* Registers at i2c address 0x38 */
9 #include <linux/bitops.h>
10 #define ANX9804_HDCP_CONTROL_0_REG 0x01
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
22 #define ANX9804_SYS_CTRL2_REG 0x81
23 #define ANX9804_SYS_CTRL2_CHA_STA 0x04
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)
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
39 #define ANX9804_LINK_TRAINING_CTRL_REG 0xa8
40 #define ANX9804_LINK_TRAINING_CTRL_EN BIT(0)
42 #define ANX9804_LINK_DEBUG_REG 0xb8
43 #define ANX9804_PLL_CTRL_REG 0xc7
44 #define ANX9804_ANALOG_POWER_DOWN_REG 0xc8
46 #define ANX9804_AUX_CH_STA 0xe0
47 #define ANX9804_AUX_BUSY BIT(4)
48 #define ANX9804_AUX_STATUS_MASK 0x0f
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)
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)
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
65 #define ANX9804_DP_AUX_CH_CTL_2 0xe9
66 #define ANX9804_ADDR_ONLY BIT(1)
67 #define ANX9804_AUX_EN BIT(0)
69 #define ANX9804_BUF_DATA_0 0xf0
71 /* Registers at i2c address 0x39 */
73 #define ANX9804_DEV_IDH_REG 0x03
75 #define ANX9804_POWERD_CTRL_REG 0x05
76 #define ANX9804_POWERD_AUDIO BIT(4)
78 #define ANX9804_RST_CTRL_REG 0x06
80 #define ANX9804_RST_CTRL2_REG 0x07
81 #define ANX9804_RST_CTRL2_AUX BIT(2)
82 #define ANX9804_RST_CTRL2_AC_MODE BIT(6)
84 #define ANX9804_VID_CTRL1_REG 0x08
85 #define ANX9804_VID_CTRL1_VID_EN BIT(7)
86 #define ANX9804_VID_CTRL1_EDGE BIT(0)
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
96 #define ANX9804_DP_INT_STA 0xf7
97 #define ANX9804_RPLY_RECEIV BIT(1)
98 #define ANX9804_AUX_ERR BIT(0)