1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef DDK750_SII164_H__
3#define DDK750_SII164_H__
4
5#define USE_DVICHIP
6
7/* Hot Plug detection mode structure */
8enum sii164_hot_plug_mode {
9 SII164_HOTPLUG_DISABLE = 0, /* Disable Hot Plug output bit
10 * (always high).
11 */
12
13 SII164_HOTPLUG_USE_MDI, /* Use Monitor Detect Interrupt bit. */
14 SII164_HOTPLUG_USE_RSEN, /* Use Receiver Sense detect bit. */
15 SII164_HOTPLUG_USE_HTPLG /* Use Hot Plug detect bit. */
16};
17
18/* Silicon Image SiI164 chip prototype */
19long sii164_init_chip(unsigned char edgeSelect,
20 unsigned char busSelect,
21 unsigned char dualEdgeClkSelect,
22 unsigned char hsyncEnable,
23 unsigned char vsyncEnable,
24 unsigned char deskewEnable,
25 unsigned char deskewSetting,
26 unsigned char continuousSyncEnable,
27 unsigned char pllFilterEnable,
28 unsigned char pllFilterValue);
29
30unsigned short sii164_get_vendor_id(void);
31unsigned short sii164GetDeviceID(void);
32
33#ifdef SII164_FULL_FUNCTIONS
34void sii164ResetChip(void);
35char *sii164GetChipString(void);
36void sii164SetPower(unsigned char powerUp);
37void sii164EnableHotPlugDetection(unsigned char enableHotPlug);
38unsigned char sii164IsConnected(void);
39unsigned char sii164CheckInterrupt(void);
40void sii164ClearInterrupt(void);
41#endif
42/*
43 * below register definition is used for
44 * Silicon Image SiI164 DVI controller chip
45 */
46/*
47 * Vendor ID registers
48 */
49#define SII164_VENDOR_ID_LOW 0x00
50#define SII164_VENDOR_ID_HIGH 0x01
51
52/*
53 * Device ID registers
54 */
55#define SII164_DEVICE_ID_LOW 0x02
56#define SII164_DEVICE_ID_HIGH 0x03
57
58/*
59 * Device Revision
60 */
61#define SII164_DEVICE_REVISION 0x04
62
63/*
64 * Frequency Limitation registers
65 */
66#define SII164_FREQUENCY_LIMIT_LOW 0x06
67#define SII164_FREQUENCY_LIMIT_HIGH 0x07
68
69/*
70 * Power Down and Input Signal Configuration registers
71 */
72#define SII164_CONFIGURATION 0x08
73
74/* Power down (PD) */
75#define SII164_CONFIGURATION_POWER_DOWN 0x00
76#define SII164_CONFIGURATION_POWER_NORMAL 0x01
77#define SII164_CONFIGURATION_POWER_MASK 0x01
78
79/* Input Edge Latch Select (EDGE) */
80#define SII164_CONFIGURATION_LATCH_FALLING 0x00
81#define SII164_CONFIGURATION_LATCH_RISING 0x02
82
83/* Bus Select (BSEL) */
84#define SII164_CONFIGURATION_BUS_12BITS 0x00
85#define SII164_CONFIGURATION_BUS_24BITS 0x04
86
87/* Dual Edge Clock Select (DSEL) */
88#define SII164_CONFIGURATION_CLOCK_SINGLE 0x00
89#define SII164_CONFIGURATION_CLOCK_DUAL 0x08
90
91/* Horizontal Sync Enable (HEN) */
92#define SII164_CONFIGURATION_HSYNC_FORCE_LOW 0x00
93#define SII164_CONFIGURATION_HSYNC_AS_IS 0x10
94
95/* Vertical Sync Enable (VEN) */
96#define SII164_CONFIGURATION_VSYNC_FORCE_LOW 0x00
97#define SII164_CONFIGURATION_VSYNC_AS_IS 0x20
98
99/*
100 * Detection registers
101 */
102#define SII164_DETECT 0x09
103
104/* Monitor Detect Interrupt (MDI) */
105#define SII164_DETECT_MONITOR_STATE_CHANGE 0x00
106#define SII164_DETECT_MONITOR_STATE_NO_CHANGE 0x01
107#define SII164_DETECT_MONITOR_STATE_CLEAR 0x01
108#define SII164_DETECT_MONITOR_STATE_MASK 0x01
109
110/* Hot Plug detect Input (HTPLG) */
111#define SII164_DETECT_HOT_PLUG_STATUS_OFF 0x00
112#define SII164_DETECT_HOT_PLUG_STATUS_ON 0x02
113#define SII164_DETECT_HOT_PLUG_STATUS_MASK 0x02
114
115/* Receiver Sense (RSEN) */
116#define SII164_DETECT_RECEIVER_SENSE_NOT_DETECTED 0x00
117#define SII164_DETECT_RECEIVER_SENSE_DETECTED 0x04
118
119/* Interrupt Generation Method (TSEL) */
120#define SII164_DETECT_INTERRUPT_BY_RSEN_PIN 0x00
121#define SII164_DETECT_INTERRUPT_BY_HTPLG_PIN 0x08
122#define SII164_DETECT_INTERRUPT_MASK 0x08
123
124/* Monitor Sense Output (MSEN) */
125#define SII164_DETECT_MONITOR_SENSE_OUTPUT_HIGH 0x00
126#define SII164_DETECT_MONITOR_SENSE_OUTPUT_MDI 0x10
127#define SII164_DETECT_MONITOR_SENSE_OUTPUT_RSEN 0x20
128#define SII164_DETECT_MONITOR_SENSE_OUTPUT_HTPLG 0x30
129#define SII164_DETECT_MONITOR_SENSE_OUTPUT_FLAG 0x30
130
131/*
132 * Skewing registers
133 */
134#define SII164_DESKEW 0x0A
135
136/* General Purpose Input (CTL[3:1]) */
137#define SII164_DESKEW_GENERAL_PURPOSE_INPUT_MASK 0x0E
138
139/* De-skewing Enable bit (DKEN) */
140#define SII164_DESKEW_DISABLE 0x00
141#define SII164_DESKEW_ENABLE 0x10
142
143/* De-skewing Setting (DK[3:1])*/
144#define SII164_DESKEW_1_STEP 0x00
145#define SII164_DESKEW_2_STEP 0x20
146#define SII164_DESKEW_3_STEP 0x40
147#define SII164_DESKEW_4_STEP 0x60
148#define SII164_DESKEW_5_STEP 0x80
149#define SII164_DESKEW_6_STEP 0xA0
150#define SII164_DESKEW_7_STEP 0xC0
151#define SII164_DESKEW_8_STEP 0xE0
152
153/*
154 * User Configuration Data registers (CFG 7:0)
155 */
156#define SII164_USER_CONFIGURATION 0x0B
157
158/*
159 * PLL registers
160 */
161#define SII164_PLL 0x0C
162
163/* PLL Filter Value (PLLF) */
164#define SII164_PLL_FILTER_VALUE_MASK 0x0E
165
166/* PLL Filter Enable (PFEN) */
167#define SII164_PLL_FILTER_DISABLE 0x00
168#define SII164_PLL_FILTER_ENABLE 0x01
169
170/* Sync Continuous (SCNT) */
171#define SII164_PLL_FILTER_SYNC_CONTINUOUS_DISABLE 0x00
172#define SII164_PLL_FILTER_SYNC_CONTINUOUS_ENABLE 0x80
173
174#endif
175

source code of linux/drivers/staging/sm750fb/ddk750_sii164.h