1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2cb7a01acSMauro Carvalho Chehab /*
3cb7a01acSMauro Carvalho Chehab * Video Capture Driver (Video for Linux 1/2)
4cb7a01acSMauro Carvalho Chehab * for the Matrox Marvel G200,G400 and Rainbow Runner-G series
5cb7a01acSMauro Carvalho Chehab *
6cb7a01acSMauro Carvalho Chehab * This module is an interface to the KS0127 video decoder chip.
7cb7a01acSMauro Carvalho Chehab *
8cb7a01acSMauro Carvalho Chehab * Copyright (C) 1999 Ryan Drake <stiletto@mediaone.net>
9cb7a01acSMauro Carvalho Chehab *
10cb7a01acSMauro Carvalho Chehab *****************************************************************************
11cb7a01acSMauro Carvalho Chehab *
12cb7a01acSMauro Carvalho Chehab * Modified and extended by
13cb7a01acSMauro Carvalho Chehab * Mike Bernson <mike@mlb.org>
14cb7a01acSMauro Carvalho Chehab * Gerard v.d. Horst
15cb7a01acSMauro Carvalho Chehab * Leon van Stuivenberg <l.vanstuivenberg@chello.nl>
16cb7a01acSMauro Carvalho Chehab * Gernot Ziegler <gz@lysator.liu.se>
17cb7a01acSMauro Carvalho Chehab *
18cb7a01acSMauro Carvalho Chehab * Version History:
19cb7a01acSMauro Carvalho Chehab * V1.0 Ryan Drake Initial version by Ryan Drake
20cb7a01acSMauro Carvalho Chehab * V1.1 Gerard v.d. Horst Added some debugoutput, reset the video-standard
21cb7a01acSMauro Carvalho Chehab */
22cb7a01acSMauro Carvalho Chehab
23cb7a01acSMauro Carvalho Chehab #include <linux/init.h>
24cb7a01acSMauro Carvalho Chehab #include <linux/module.h>
25cb7a01acSMauro Carvalho Chehab #include <linux/delay.h>
26cb7a01acSMauro Carvalho Chehab #include <linux/errno.h>
27cb7a01acSMauro Carvalho Chehab #include <linux/kernel.h>
28cb7a01acSMauro Carvalho Chehab #include <linux/i2c.h>
29cb7a01acSMauro Carvalho Chehab #include <linux/videodev2.h>
30cb7a01acSMauro Carvalho Chehab #include <linux/slab.h>
31cb7a01acSMauro Carvalho Chehab #include <media/v4l2-device.h>
32cb7a01acSMauro Carvalho Chehab #include "ks0127.h"
33cb7a01acSMauro Carvalho Chehab
34cb7a01acSMauro Carvalho Chehab MODULE_DESCRIPTION("KS0127 video decoder driver");
35cb7a01acSMauro Carvalho Chehab MODULE_AUTHOR("Ryan Drake");
36cb7a01acSMauro Carvalho Chehab MODULE_LICENSE("GPL");
37cb7a01acSMauro Carvalho Chehab
38cb7a01acSMauro Carvalho Chehab /* Addresses */
39cb7a01acSMauro Carvalho Chehab #define I2C_KS0127_ADDON 0xD8
40cb7a01acSMauro Carvalho Chehab #define I2C_KS0127_ONBOARD 0xDA
41cb7a01acSMauro Carvalho Chehab
42cb7a01acSMauro Carvalho Chehab
43cb7a01acSMauro Carvalho Chehab /* ks0127 control registers */
44cb7a01acSMauro Carvalho Chehab #define KS_STAT 0x00
45cb7a01acSMauro Carvalho Chehab #define KS_CMDA 0x01
46cb7a01acSMauro Carvalho Chehab #define KS_CMDB 0x02
47cb7a01acSMauro Carvalho Chehab #define KS_CMDC 0x03
48cb7a01acSMauro Carvalho Chehab #define KS_CMDD 0x04
49cb7a01acSMauro Carvalho Chehab #define KS_HAVB 0x05
50cb7a01acSMauro Carvalho Chehab #define KS_HAVE 0x06
51cb7a01acSMauro Carvalho Chehab #define KS_HS1B 0x07
52cb7a01acSMauro Carvalho Chehab #define KS_HS1E 0x08
53cb7a01acSMauro Carvalho Chehab #define KS_HS2B 0x09
54cb7a01acSMauro Carvalho Chehab #define KS_HS2E 0x0a
55cb7a01acSMauro Carvalho Chehab #define KS_AGC 0x0b
56cb7a01acSMauro Carvalho Chehab #define KS_HXTRA 0x0c
57cb7a01acSMauro Carvalho Chehab #define KS_CDEM 0x0d
58cb7a01acSMauro Carvalho Chehab #define KS_PORTAB 0x0e
59cb7a01acSMauro Carvalho Chehab #define KS_LUMA 0x0f
60cb7a01acSMauro Carvalho Chehab #define KS_CON 0x10
61cb7a01acSMauro Carvalho Chehab #define KS_BRT 0x11
62cb7a01acSMauro Carvalho Chehab #define KS_CHROMA 0x12
63cb7a01acSMauro Carvalho Chehab #define KS_CHROMB 0x13
64cb7a01acSMauro Carvalho Chehab #define KS_DEMOD 0x14
65cb7a01acSMauro Carvalho Chehab #define KS_SAT 0x15
66cb7a01acSMauro Carvalho Chehab #define KS_HUE 0x16
67cb7a01acSMauro Carvalho Chehab #define KS_VERTIA 0x17
68cb7a01acSMauro Carvalho Chehab #define KS_VERTIB 0x18
69cb7a01acSMauro Carvalho Chehab #define KS_VERTIC 0x19
70cb7a01acSMauro Carvalho Chehab #define KS_HSCLL 0x1a
71cb7a01acSMauro Carvalho Chehab #define KS_HSCLH 0x1b
72cb7a01acSMauro Carvalho Chehab #define KS_VSCLL 0x1c
73cb7a01acSMauro Carvalho Chehab #define KS_VSCLH 0x1d
74cb7a01acSMauro Carvalho Chehab #define KS_OFMTA 0x1e
75cb7a01acSMauro Carvalho Chehab #define KS_OFMTB 0x1f
76cb7a01acSMauro Carvalho Chehab #define KS_VBICTL 0x20
77cb7a01acSMauro Carvalho Chehab #define KS_CCDAT2 0x21
78cb7a01acSMauro Carvalho Chehab #define KS_CCDAT1 0x22
79cb7a01acSMauro Carvalho Chehab #define KS_VBIL30 0x23
80cb7a01acSMauro Carvalho Chehab #define KS_VBIL74 0x24
81cb7a01acSMauro Carvalho Chehab #define KS_VBIL118 0x25
82cb7a01acSMauro Carvalho Chehab #define KS_VBIL1512 0x26
83cb7a01acSMauro Carvalho Chehab #define KS_TTFRAM 0x27
84cb7a01acSMauro Carvalho Chehab #define KS_TESTA 0x28
85cb7a01acSMauro Carvalho Chehab #define KS_UVOFFH 0x29
86cb7a01acSMauro Carvalho Chehab #define KS_UVOFFL 0x2a
87cb7a01acSMauro Carvalho Chehab #define KS_UGAIN 0x2b
88cb7a01acSMauro Carvalho Chehab #define KS_VGAIN 0x2c
89cb7a01acSMauro Carvalho Chehab #define KS_VAVB 0x2d
90cb7a01acSMauro Carvalho Chehab #define KS_VAVE 0x2e
91cb7a01acSMauro Carvalho Chehab #define KS_CTRACK 0x2f
92cb7a01acSMauro Carvalho Chehab #define KS_POLCTL 0x30
93cb7a01acSMauro Carvalho Chehab #define KS_REFCOD 0x31
94cb7a01acSMauro Carvalho Chehab #define KS_INVALY 0x32
95cb7a01acSMauro Carvalho Chehab #define KS_INVALU 0x33
96cb7a01acSMauro Carvalho Chehab #define KS_INVALV 0x34
97cb7a01acSMauro Carvalho Chehab #define KS_UNUSEY 0x35
98cb7a01acSMauro Carvalho Chehab #define KS_UNUSEU 0x36
99cb7a01acSMauro Carvalho Chehab #define KS_UNUSEV 0x37
100cb7a01acSMauro Carvalho Chehab #define KS_USRSAV 0x38
101cb7a01acSMauro Carvalho Chehab #define KS_USREAV 0x39
102cb7a01acSMauro Carvalho Chehab #define KS_SHS1A 0x3a
103cb7a01acSMauro Carvalho Chehab #define KS_SHS1B 0x3b
104cb7a01acSMauro Carvalho Chehab #define KS_SHS1C 0x3c
105cb7a01acSMauro Carvalho Chehab #define KS_CMDE 0x3d
106cb7a01acSMauro Carvalho Chehab #define KS_VSDEL 0x3e
107cb7a01acSMauro Carvalho Chehab #define KS_CMDF 0x3f
108cb7a01acSMauro Carvalho Chehab #define KS_GAMMA0 0x40
109cb7a01acSMauro Carvalho Chehab #define KS_GAMMA1 0x41
110cb7a01acSMauro Carvalho Chehab #define KS_GAMMA2 0x42
111cb7a01acSMauro Carvalho Chehab #define KS_GAMMA3 0x43
112cb7a01acSMauro Carvalho Chehab #define KS_GAMMA4 0x44
113cb7a01acSMauro Carvalho Chehab #define KS_GAMMA5 0x45
114cb7a01acSMauro Carvalho Chehab #define KS_GAMMA6 0x46
115cb7a01acSMauro Carvalho Chehab #define KS_GAMMA7 0x47
116cb7a01acSMauro Carvalho Chehab #define KS_GAMMA8 0x48
117cb7a01acSMauro Carvalho Chehab #define KS_GAMMA9 0x49
118cb7a01acSMauro Carvalho Chehab #define KS_GAMMA10 0x4a
119cb7a01acSMauro Carvalho Chehab #define KS_GAMMA11 0x4b
120cb7a01acSMauro Carvalho Chehab #define KS_GAMMA12 0x4c
121cb7a01acSMauro Carvalho Chehab #define KS_GAMMA13 0x4d
122cb7a01acSMauro Carvalho Chehab #define KS_GAMMA14 0x4e
123cb7a01acSMauro Carvalho Chehab #define KS_GAMMA15 0x4f
124cb7a01acSMauro Carvalho Chehab #define KS_GAMMA16 0x50
125cb7a01acSMauro Carvalho Chehab #define KS_GAMMA17 0x51
126cb7a01acSMauro Carvalho Chehab #define KS_GAMMA18 0x52
127cb7a01acSMauro Carvalho Chehab #define KS_GAMMA19 0x53
128cb7a01acSMauro Carvalho Chehab #define KS_GAMMA20 0x54
129cb7a01acSMauro Carvalho Chehab #define KS_GAMMA21 0x55
130cb7a01acSMauro Carvalho Chehab #define KS_GAMMA22 0x56
131cb7a01acSMauro Carvalho Chehab #define KS_GAMMA23 0x57
132cb7a01acSMauro Carvalho Chehab #define KS_GAMMA24 0x58
133cb7a01acSMauro Carvalho Chehab #define KS_GAMMA25 0x59
134cb7a01acSMauro Carvalho Chehab #define KS_GAMMA26 0x5a
135cb7a01acSMauro Carvalho Chehab #define KS_GAMMA27 0x5b
136cb7a01acSMauro Carvalho Chehab #define KS_GAMMA28 0x5c
137cb7a01acSMauro Carvalho Chehab #define KS_GAMMA29 0x5d
138cb7a01acSMauro Carvalho Chehab #define KS_GAMMA30 0x5e
139cb7a01acSMauro Carvalho Chehab #define KS_GAMMA31 0x5f
140cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD0 0x60
141cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD1 0x61
142cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD2 0x62
143cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD3 0x63
144cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD4 0x64
145cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD5 0x65
146cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD6 0x66
147cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD7 0x67
148cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD8 0x68
149cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD9 0x69
150cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD10 0x6a
151cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD11 0x6b
152cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD12 0x6c
153cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD13 0x6d
154cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD14 0x6e
155cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD15 0x6f
156cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD16 0x70
157cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD17 0x71
158cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD18 0x72
159cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD19 0x73
160cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD20 0x74
161cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD21 0x75
162cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD22 0x76
163cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD23 0x77
164cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD24 0x78
165cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD25 0x79
166cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD26 0x7a
167cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD27 0x7b
168cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD28 0x7c
169cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD29 0x7d
170cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD30 0x7e
171cb7a01acSMauro Carvalho Chehab #define KS_GAMMAD31 0x7f
172cb7a01acSMauro Carvalho Chehab
173cb7a01acSMauro Carvalho Chehab
174cb7a01acSMauro Carvalho Chehab /****************************************************************************
175cb7a01acSMauro Carvalho Chehab * mga_dev : represents one ks0127 chip.
176cb7a01acSMauro Carvalho Chehab ****************************************************************************/
177cb7a01acSMauro Carvalho Chehab
178cb7a01acSMauro Carvalho Chehab struct ks0127 {
179cb7a01acSMauro Carvalho Chehab struct v4l2_subdev sd;
180cb7a01acSMauro Carvalho Chehab v4l2_std_id norm;
181cb7a01acSMauro Carvalho Chehab u8 regs[256];
182cb7a01acSMauro Carvalho Chehab };
183cb7a01acSMauro Carvalho Chehab
to_ks0127(struct v4l2_subdev * sd)184cb7a01acSMauro Carvalho Chehab static inline struct ks0127 *to_ks0127(struct v4l2_subdev *sd)
185cb7a01acSMauro Carvalho Chehab {
186cb7a01acSMauro Carvalho Chehab return container_of(sd, struct ks0127, sd);
187cb7a01acSMauro Carvalho Chehab }
188cb7a01acSMauro Carvalho Chehab
189cb7a01acSMauro Carvalho Chehab
190cb7a01acSMauro Carvalho Chehab static int debug; /* insmod parameter */
191cb7a01acSMauro Carvalho Chehab
192cb7a01acSMauro Carvalho Chehab module_param(debug, int, 0);
193cb7a01acSMauro Carvalho Chehab MODULE_PARM_DESC(debug, "Debug output");
194cb7a01acSMauro Carvalho Chehab
195cb7a01acSMauro Carvalho Chehab static u8 reg_defaults[64];
196cb7a01acSMauro Carvalho Chehab
init_reg_defaults(void)197cb7a01acSMauro Carvalho Chehab static void init_reg_defaults(void)
198cb7a01acSMauro Carvalho Chehab {
199cb7a01acSMauro Carvalho Chehab static int initialized;
200cb7a01acSMauro Carvalho Chehab u8 *table = reg_defaults;
201cb7a01acSMauro Carvalho Chehab
202cb7a01acSMauro Carvalho Chehab if (initialized)
203cb7a01acSMauro Carvalho Chehab return;
204cb7a01acSMauro Carvalho Chehab initialized = 1;
205cb7a01acSMauro Carvalho Chehab
206cb7a01acSMauro Carvalho Chehab table[KS_CMDA] = 0x2c; /* VSE=0, CCIR 601, autodetect standard */
207cb7a01acSMauro Carvalho Chehab table[KS_CMDB] = 0x12; /* VALIGN=0, AGC control and input */
208cb7a01acSMauro Carvalho Chehab table[KS_CMDC] = 0x00; /* Test options */
209cb7a01acSMauro Carvalho Chehab /* clock & input select, write 1 to PORTA */
210cb7a01acSMauro Carvalho Chehab table[KS_CMDD] = 0x01;
211cb7a01acSMauro Carvalho Chehab table[KS_HAVB] = 0x00; /* HAV Start Control */
212cb7a01acSMauro Carvalho Chehab table[KS_HAVE] = 0x00; /* HAV End Control */
213cb7a01acSMauro Carvalho Chehab table[KS_HS1B] = 0x10; /* HS1 Start Control */
214cb7a01acSMauro Carvalho Chehab table[KS_HS1E] = 0x00; /* HS1 End Control */
215cb7a01acSMauro Carvalho Chehab table[KS_HS2B] = 0x00; /* HS2 Start Control */
216cb7a01acSMauro Carvalho Chehab table[KS_HS2E] = 0x00; /* HS2 End Control */
217cb7a01acSMauro Carvalho Chehab table[KS_AGC] = 0x53; /* Manual setting for AGC */
218cb7a01acSMauro Carvalho Chehab table[KS_HXTRA] = 0x00; /* Extra Bits for HAV and HS1/2 */
219cb7a01acSMauro Carvalho Chehab table[KS_CDEM] = 0x00; /* Chroma Demodulation Control */
220cb7a01acSMauro Carvalho Chehab table[KS_PORTAB] = 0x0f; /* port B is input, port A output GPPORT */
221cb7a01acSMauro Carvalho Chehab table[KS_LUMA] = 0x01; /* Luma control */
222cb7a01acSMauro Carvalho Chehab table[KS_CON] = 0x00; /* Contrast Control */
223cb7a01acSMauro Carvalho Chehab table[KS_BRT] = 0x00; /* Brightness Control */
224cb7a01acSMauro Carvalho Chehab table[KS_CHROMA] = 0x2a; /* Chroma control A */
225cb7a01acSMauro Carvalho Chehab table[KS_CHROMB] = 0x90; /* Chroma control B */
226cb7a01acSMauro Carvalho Chehab table[KS_DEMOD] = 0x00; /* Chroma Demodulation Control & Status */
227cb7a01acSMauro Carvalho Chehab table[KS_SAT] = 0x00; /* Color Saturation Control*/
228cb7a01acSMauro Carvalho Chehab table[KS_HUE] = 0x00; /* Hue Control */
229cb7a01acSMauro Carvalho Chehab table[KS_VERTIA] = 0x00; /* Vertical Processing Control A */
230cb7a01acSMauro Carvalho Chehab /* Vertical Processing Control B, luma 1 line delayed */
231cb7a01acSMauro Carvalho Chehab table[KS_VERTIB] = 0x12;
232cb7a01acSMauro Carvalho Chehab table[KS_VERTIC] = 0x0b; /* Vertical Processing Control C */
233cb7a01acSMauro Carvalho Chehab table[KS_HSCLL] = 0x00; /* Horizontal Scaling Ratio Low */
234cb7a01acSMauro Carvalho Chehab table[KS_HSCLH] = 0x00; /* Horizontal Scaling Ratio High */
235cb7a01acSMauro Carvalho Chehab table[KS_VSCLL] = 0x00; /* Vertical Scaling Ratio Low */
236cb7a01acSMauro Carvalho Chehab table[KS_VSCLH] = 0x00; /* Vertical Scaling Ratio High */
237cb7a01acSMauro Carvalho Chehab /* 16 bit YCbCr 4:2:2 output; I can't make the bt866 like 8 bit /Sam */
238cb7a01acSMauro Carvalho Chehab table[KS_OFMTA] = 0x30;
239cb7a01acSMauro Carvalho Chehab table[KS_OFMTB] = 0x00; /* Output Control B */
240cb7a01acSMauro Carvalho Chehab /* VBI Decoder Control; 4bit fmt: avoid Y overflow */
241cb7a01acSMauro Carvalho Chehab table[KS_VBICTL] = 0x5d;
242cb7a01acSMauro Carvalho Chehab table[KS_CCDAT2] = 0x00; /* Read Only register */
243cb7a01acSMauro Carvalho Chehab table[KS_CCDAT1] = 0x00; /* Read Only register */
244cb7a01acSMauro Carvalho Chehab table[KS_VBIL30] = 0xa8; /* VBI data decoding options */
245cb7a01acSMauro Carvalho Chehab table[KS_VBIL74] = 0xaa; /* VBI data decoding options */
246cb7a01acSMauro Carvalho Chehab table[KS_VBIL118] = 0x2a; /* VBI data decoding options */
247cb7a01acSMauro Carvalho Chehab table[KS_VBIL1512] = 0x00; /* VBI data decoding options */
248cb7a01acSMauro Carvalho Chehab table[KS_TTFRAM] = 0x00; /* Teletext frame alignment pattern */
249cb7a01acSMauro Carvalho Chehab table[KS_TESTA] = 0x00; /* test register, shouldn't be written */
250cb7a01acSMauro Carvalho Chehab table[KS_UVOFFH] = 0x00; /* UV Offset Adjustment High */
251cb7a01acSMauro Carvalho Chehab table[KS_UVOFFL] = 0x00; /* UV Offset Adjustment Low */
252cb7a01acSMauro Carvalho Chehab table[KS_UGAIN] = 0x00; /* U Component Gain Adjustment */
253cb7a01acSMauro Carvalho Chehab table[KS_VGAIN] = 0x00; /* V Component Gain Adjustment */
254cb7a01acSMauro Carvalho Chehab table[KS_VAVB] = 0x07; /* VAV Begin */
255cb7a01acSMauro Carvalho Chehab table[KS_VAVE] = 0x00; /* VAV End */
256cb7a01acSMauro Carvalho Chehab table[KS_CTRACK] = 0x00; /* Chroma Tracking Control */
257cb7a01acSMauro Carvalho Chehab table[KS_POLCTL] = 0x41; /* Timing Signal Polarity Control */
258cb7a01acSMauro Carvalho Chehab table[KS_REFCOD] = 0x80; /* Reference Code Insertion Control */
259cb7a01acSMauro Carvalho Chehab table[KS_INVALY] = 0x10; /* Invalid Y Code */
260cb7a01acSMauro Carvalho Chehab table[KS_INVALU] = 0x80; /* Invalid U Code */
261cb7a01acSMauro Carvalho Chehab table[KS_INVALV] = 0x80; /* Invalid V Code */
262cb7a01acSMauro Carvalho Chehab table[KS_UNUSEY] = 0x10; /* Unused Y Code */
263cb7a01acSMauro Carvalho Chehab table[KS_UNUSEU] = 0x80; /* Unused U Code */
264cb7a01acSMauro Carvalho Chehab table[KS_UNUSEV] = 0x80; /* Unused V Code */
265cb7a01acSMauro Carvalho Chehab table[KS_USRSAV] = 0x00; /* reserved */
266cb7a01acSMauro Carvalho Chehab table[KS_USREAV] = 0x00; /* reserved */
267cb7a01acSMauro Carvalho Chehab table[KS_SHS1A] = 0x00; /* User Defined SHS1 A */
268cb7a01acSMauro Carvalho Chehab /* User Defined SHS1 B, ALT656=1 on 0127B */
269cb7a01acSMauro Carvalho Chehab table[KS_SHS1B] = 0x80;
270cb7a01acSMauro Carvalho Chehab table[KS_SHS1C] = 0x00; /* User Defined SHS1 C */
271cb7a01acSMauro Carvalho Chehab table[KS_CMDE] = 0x00; /* Command Register E */
272cb7a01acSMauro Carvalho Chehab table[KS_VSDEL] = 0x00; /* VS Delay Control */
273cb7a01acSMauro Carvalho Chehab /* Command Register F, update -immediately- */
274cb7a01acSMauro Carvalho Chehab /* (there might come no vsync)*/
275cb7a01acSMauro Carvalho Chehab table[KS_CMDF] = 0x02;
276cb7a01acSMauro Carvalho Chehab }
277cb7a01acSMauro Carvalho Chehab
278cb7a01acSMauro Carvalho Chehab
279cb7a01acSMauro Carvalho Chehab /* We need to manually read because of a bug in the KS0127 chip.
280cb7a01acSMauro Carvalho Chehab *
281cb7a01acSMauro Carvalho Chehab * An explanation from kayork@mail.utexas.edu:
282cb7a01acSMauro Carvalho Chehab *
283cb7a01acSMauro Carvalho Chehab * During I2C reads, the KS0127 only samples for a stop condition
284cb7a01acSMauro Carvalho Chehab * during the place where the acknowledge bit should be. Any standard
285cb7a01acSMauro Carvalho Chehab * I2C implementation (correctly) throws in another clock transition
286cb7a01acSMauro Carvalho Chehab * at the 9th bit, and the KS0127 will not recognize the stop condition
287cb7a01acSMauro Carvalho Chehab * and will continue to clock out data.
288cb7a01acSMauro Carvalho Chehab *
289cb7a01acSMauro Carvalho Chehab * So we have to do the read ourself. Big deal.
290cb7a01acSMauro Carvalho Chehab * workaround in i2c-algo-bit
291cb7a01acSMauro Carvalho Chehab */
292cb7a01acSMauro Carvalho Chehab
293cb7a01acSMauro Carvalho Chehab
ks0127_read(struct v4l2_subdev * sd,u8 reg)294cb7a01acSMauro Carvalho Chehab static u8 ks0127_read(struct v4l2_subdev *sd, u8 reg)
295cb7a01acSMauro Carvalho Chehab {
296cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
297cb7a01acSMauro Carvalho Chehab char val = 0;
298cb7a01acSMauro Carvalho Chehab struct i2c_msg msgs[] = {
2992a9d2472SShubhrajyoti D {
3002a9d2472SShubhrajyoti D .addr = client->addr,
3012a9d2472SShubhrajyoti D .len = sizeof(reg),
3022a9d2472SShubhrajyoti D .buf = ®
3032a9d2472SShubhrajyoti D },
3042a9d2472SShubhrajyoti D {
3052a9d2472SShubhrajyoti D .addr = client->addr,
3062a9d2472SShubhrajyoti D .flags = I2C_M_RD | I2C_M_NO_RD_ACK,
3072a9d2472SShubhrajyoti D .len = sizeof(val),
3082a9d2472SShubhrajyoti D .buf = &val
3092a9d2472SShubhrajyoti D }
310cb7a01acSMauro Carvalho Chehab };
311cb7a01acSMauro Carvalho Chehab int ret;
312cb7a01acSMauro Carvalho Chehab
313cb7a01acSMauro Carvalho Chehab ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
314cb7a01acSMauro Carvalho Chehab if (ret != ARRAY_SIZE(msgs))
315cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "read error\n");
316cb7a01acSMauro Carvalho Chehab
317cb7a01acSMauro Carvalho Chehab return val;
318cb7a01acSMauro Carvalho Chehab }
319cb7a01acSMauro Carvalho Chehab
320cb7a01acSMauro Carvalho Chehab
ks0127_write(struct v4l2_subdev * sd,u8 reg,u8 val)321cb7a01acSMauro Carvalho Chehab static void ks0127_write(struct v4l2_subdev *sd, u8 reg, u8 val)
322cb7a01acSMauro Carvalho Chehab {
323cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
324cb7a01acSMauro Carvalho Chehab struct ks0127 *ks = to_ks0127(sd);
325cb7a01acSMauro Carvalho Chehab char msg[] = { reg, val };
326cb7a01acSMauro Carvalho Chehab
327cb7a01acSMauro Carvalho Chehab if (i2c_master_send(client, msg, sizeof(msg)) != sizeof(msg))
328cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "write error\n");
329cb7a01acSMauro Carvalho Chehab
330cb7a01acSMauro Carvalho Chehab ks->regs[reg] = val;
331cb7a01acSMauro Carvalho Chehab }
332cb7a01acSMauro Carvalho Chehab
333cb7a01acSMauro Carvalho Chehab
334cb7a01acSMauro Carvalho Chehab /* generic bit-twiddling */
ks0127_and_or(struct v4l2_subdev * sd,u8 reg,u8 and_v,u8 or_v)335cb7a01acSMauro Carvalho Chehab static void ks0127_and_or(struct v4l2_subdev *sd, u8 reg, u8 and_v, u8 or_v)
336cb7a01acSMauro Carvalho Chehab {
337cb7a01acSMauro Carvalho Chehab struct ks0127 *ks = to_ks0127(sd);
338cb7a01acSMauro Carvalho Chehab
339cb7a01acSMauro Carvalho Chehab u8 val = ks->regs[reg];
340cb7a01acSMauro Carvalho Chehab val = (val & and_v) | or_v;
341cb7a01acSMauro Carvalho Chehab ks0127_write(sd, reg, val);
342cb7a01acSMauro Carvalho Chehab }
343cb7a01acSMauro Carvalho Chehab
344cb7a01acSMauro Carvalho Chehab
345cb7a01acSMauro Carvalho Chehab
346cb7a01acSMauro Carvalho Chehab /****************************************************************************
347cb7a01acSMauro Carvalho Chehab * ks0127 private api
348cb7a01acSMauro Carvalho Chehab ****************************************************************************/
ks0127_init(struct v4l2_subdev * sd)349cb7a01acSMauro Carvalho Chehab static void ks0127_init(struct v4l2_subdev *sd)
350cb7a01acSMauro Carvalho Chehab {
351cb7a01acSMauro Carvalho Chehab u8 *table = reg_defaults;
352cb7a01acSMauro Carvalho Chehab int i;
353cb7a01acSMauro Carvalho Chehab
354cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "reset\n");
355cb7a01acSMauro Carvalho Chehab msleep(1);
356cb7a01acSMauro Carvalho Chehab
357cb7a01acSMauro Carvalho Chehab /* initialize all registers to known values */
358cb7a01acSMauro Carvalho Chehab /* (except STAT, 0x21, 0x22, TEST and 0x38,0x39) */
359cb7a01acSMauro Carvalho Chehab
360cb7a01acSMauro Carvalho Chehab for (i = 1; i < 33; i++)
361cb7a01acSMauro Carvalho Chehab ks0127_write(sd, i, table[i]);
362cb7a01acSMauro Carvalho Chehab
363cb7a01acSMauro Carvalho Chehab for (i = 35; i < 40; i++)
364cb7a01acSMauro Carvalho Chehab ks0127_write(sd, i, table[i]);
365cb7a01acSMauro Carvalho Chehab
366cb7a01acSMauro Carvalho Chehab for (i = 41; i < 56; i++)
367cb7a01acSMauro Carvalho Chehab ks0127_write(sd, i, table[i]);
368cb7a01acSMauro Carvalho Chehab
369cb7a01acSMauro Carvalho Chehab for (i = 58; i < 64; i++)
370cb7a01acSMauro Carvalho Chehab ks0127_write(sd, i, table[i]);
371cb7a01acSMauro Carvalho Chehab
372cb7a01acSMauro Carvalho Chehab
373cb7a01acSMauro Carvalho Chehab if ((ks0127_read(sd, KS_STAT) & 0x80) == 0) {
374cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "ks0122s found\n");
375cb7a01acSMauro Carvalho Chehab return;
376cb7a01acSMauro Carvalho Chehab }
377cb7a01acSMauro Carvalho Chehab
378cb7a01acSMauro Carvalho Chehab switch (ks0127_read(sd, KS_CMDE) & 0x0f) {
379cb7a01acSMauro Carvalho Chehab case 0:
380cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "ks0127 found\n");
381cb7a01acSMauro Carvalho Chehab break;
382cb7a01acSMauro Carvalho Chehab
383cb7a01acSMauro Carvalho Chehab case 9:
384cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "ks0127B Revision A found\n");
385cb7a01acSMauro Carvalho Chehab break;
386cb7a01acSMauro Carvalho Chehab
387cb7a01acSMauro Carvalho Chehab default:
388cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "unknown revision\n");
389cb7a01acSMauro Carvalho Chehab break;
390cb7a01acSMauro Carvalho Chehab }
391cb7a01acSMauro Carvalho Chehab }
392cb7a01acSMauro Carvalho Chehab
ks0127_s_routing(struct v4l2_subdev * sd,u32 input,u32 output,u32 config)393cb7a01acSMauro Carvalho Chehab static int ks0127_s_routing(struct v4l2_subdev *sd,
394cb7a01acSMauro Carvalho Chehab u32 input, u32 output, u32 config)
395cb7a01acSMauro Carvalho Chehab {
396cb7a01acSMauro Carvalho Chehab struct ks0127 *ks = to_ks0127(sd);
397cb7a01acSMauro Carvalho Chehab
398cb7a01acSMauro Carvalho Chehab switch (input) {
399cb7a01acSMauro Carvalho Chehab case KS_INPUT_COMPOSITE_1:
400cb7a01acSMauro Carvalho Chehab case KS_INPUT_COMPOSITE_2:
401cb7a01acSMauro Carvalho Chehab case KS_INPUT_COMPOSITE_3:
402cb7a01acSMauro Carvalho Chehab case KS_INPUT_COMPOSITE_4:
403cb7a01acSMauro Carvalho Chehab case KS_INPUT_COMPOSITE_5:
404cb7a01acSMauro Carvalho Chehab case KS_INPUT_COMPOSITE_6:
405cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
406cb7a01acSMauro Carvalho Chehab "s_routing %d: Composite\n", input);
407cb7a01acSMauro Carvalho Chehab /* autodetect 50/60 Hz */
408cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDA, 0xfc, 0x00);
409cb7a01acSMauro Carvalho Chehab /* VSE=0 */
410cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDA, ~0x40, 0x00);
411cb7a01acSMauro Carvalho Chehab /* set input line */
412cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDB, 0xb0, input);
413cb7a01acSMauro Carvalho Chehab /* non-freerunning mode */
414cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDC, 0x70, 0x0a);
415cb7a01acSMauro Carvalho Chehab /* analog input */
416cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDD, 0x03, 0x00);
417cb7a01acSMauro Carvalho Chehab /* enable chroma demodulation */
418cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x00);
419cb7a01acSMauro Carvalho Chehab /* chroma trap, HYBWR=1 */
420cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_LUMA, 0x00,
421cb7a01acSMauro Carvalho Chehab (reg_defaults[KS_LUMA])|0x0c);
422cb7a01acSMauro Carvalho Chehab /* scaler fullbw, luma comb off */
423cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_VERTIA, 0x08, 0x81);
424cb7a01acSMauro Carvalho Chehab /* manual chroma comb .25 .5 .25 */
425cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_VERTIC, 0x0f, 0x90);
426cb7a01acSMauro Carvalho Chehab
427cb7a01acSMauro Carvalho Chehab /* chroma path delay */
428cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMB, 0x0f, 0x90);
429cb7a01acSMauro Carvalho Chehab
430cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_UGAIN, reg_defaults[KS_UGAIN]);
431cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_VGAIN, reg_defaults[KS_VGAIN]);
432cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
433cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
434cb7a01acSMauro Carvalho Chehab break;
435cb7a01acSMauro Carvalho Chehab
436cb7a01acSMauro Carvalho Chehab case KS_INPUT_SVIDEO_1:
437cb7a01acSMauro Carvalho Chehab case KS_INPUT_SVIDEO_2:
438cb7a01acSMauro Carvalho Chehab case KS_INPUT_SVIDEO_3:
439cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
440cb7a01acSMauro Carvalho Chehab "s_routing %d: S-Video\n", input);
441cb7a01acSMauro Carvalho Chehab /* autodetect 50/60 Hz */
442cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDA, 0xfc, 0x00);
443cb7a01acSMauro Carvalho Chehab /* VSE=0 */
444cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDA, ~0x40, 0x00);
445cb7a01acSMauro Carvalho Chehab /* set input line */
446cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDB, 0xb0, input);
447cb7a01acSMauro Carvalho Chehab /* non-freerunning mode */
448cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDC, 0x70, 0x0a);
449cb7a01acSMauro Carvalho Chehab /* analog input */
450cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDD, 0x03, 0x00);
451cb7a01acSMauro Carvalho Chehab /* enable chroma demodulation */
452cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x00);
453cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_LUMA, 0x00,
454cb7a01acSMauro Carvalho Chehab reg_defaults[KS_LUMA]);
455cb7a01acSMauro Carvalho Chehab /* disable luma comb */
456cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_VERTIA, 0x08,
457cb7a01acSMauro Carvalho Chehab (reg_defaults[KS_VERTIA]&0xf0)|0x01);
458cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_VERTIC, 0x0f,
459cb7a01acSMauro Carvalho Chehab reg_defaults[KS_VERTIC]&0xf0);
460cb7a01acSMauro Carvalho Chehab
461cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMB, 0x0f,
462cb7a01acSMauro Carvalho Chehab reg_defaults[KS_CHROMB]&0xf0);
463cb7a01acSMauro Carvalho Chehab
464cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_UGAIN, reg_defaults[KS_UGAIN]);
465cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_VGAIN, reg_defaults[KS_VGAIN]);
466cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
467cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
468cb7a01acSMauro Carvalho Chehab break;
469cb7a01acSMauro Carvalho Chehab
470cb7a01acSMauro Carvalho Chehab case KS_INPUT_YUV656:
471cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "s_routing 15: YUV656\n");
472cb7a01acSMauro Carvalho Chehab if (ks->norm & V4L2_STD_525_60)
473cb7a01acSMauro Carvalho Chehab /* force 60 Hz */
474cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDA, 0xfc, 0x03);
475cb7a01acSMauro Carvalho Chehab else
476cb7a01acSMauro Carvalho Chehab /* force 50 Hz */
477cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDA, 0xfc, 0x02);
478cb7a01acSMauro Carvalho Chehab
479cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDA, 0xff, 0x40); /* VSE=1 */
480cb7a01acSMauro Carvalho Chehab /* set input line and VALIGN */
481cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDB, 0xb0, (input | 0x40));
482cb7a01acSMauro Carvalho Chehab /* freerunning mode, */
483cb7a01acSMauro Carvalho Chehab /* TSTGEN = 1 TSTGFR=11 TSTGPH=0 TSTGPK=0 VMEM=1*/
484cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDC, 0x70, 0x87);
485cb7a01acSMauro Carvalho Chehab /* digital input, SYNDIR = 0 INPSL=01 CLKDIR=0 EAV=0 */
486cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CMDD, 0x03, 0x08);
487cb7a01acSMauro Carvalho Chehab /* disable chroma demodulation */
488cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x30);
489cb7a01acSMauro Carvalho Chehab /* HYPK =01 CTRAP = 0 HYBWR=0 PED=1 RGBH=1 UNIT=1 */
490cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_LUMA, 0x00, 0x71);
491cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_VERTIC, 0x0f,
492cb7a01acSMauro Carvalho Chehab reg_defaults[KS_VERTIC]&0xf0);
493cb7a01acSMauro Carvalho Chehab
494cb7a01acSMauro Carvalho Chehab /* scaler fullbw, luma comb off */
495cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_VERTIA, 0x08, 0x81);
496cb7a01acSMauro Carvalho Chehab
497cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMB, 0x0f,
498cb7a01acSMauro Carvalho Chehab reg_defaults[KS_CHROMB]&0xf0);
499cb7a01acSMauro Carvalho Chehab
500cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CON, 0x00, 0x00);
501cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_BRT, 0x00, 32); /* spec: 34 */
502cb7a01acSMauro Carvalho Chehab /* spec: 229 (e5) */
503cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_SAT, 0x00, 0xe8);
504cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_HUE, 0x00, 0);
505cb7a01acSMauro Carvalho Chehab
506cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_UGAIN, 0x00, 238);
507cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_VGAIN, 0x00, 0x00);
508cb7a01acSMauro Carvalho Chehab
509cb7a01acSMauro Carvalho Chehab /*UOFF:0x30, VOFF:0x30, TSTCGN=1 */
510cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_UVOFFH, 0x00, 0x4f);
511cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_UVOFFL, 0x00, 0x00);
512cb7a01acSMauro Carvalho Chehab break;
513cb7a01acSMauro Carvalho Chehab
514cb7a01acSMauro Carvalho Chehab default:
515cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
516cb7a01acSMauro Carvalho Chehab "s_routing: Unknown input %d\n", input);
517cb7a01acSMauro Carvalho Chehab break;
518cb7a01acSMauro Carvalho Chehab }
519cb7a01acSMauro Carvalho Chehab
520cb7a01acSMauro Carvalho Chehab /* hack: CDMLPF sometimes spontaneously switches on; */
521cb7a01acSMauro Carvalho Chehab /* force back off */
522cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_DEMOD, reg_defaults[KS_DEMOD]);
523cb7a01acSMauro Carvalho Chehab return 0;
524cb7a01acSMauro Carvalho Chehab }
525cb7a01acSMauro Carvalho Chehab
ks0127_s_std(struct v4l2_subdev * sd,v4l2_std_id std)526cb7a01acSMauro Carvalho Chehab static int ks0127_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
527cb7a01acSMauro Carvalho Chehab {
528cb7a01acSMauro Carvalho Chehab struct ks0127 *ks = to_ks0127(sd);
529cb7a01acSMauro Carvalho Chehab
530cb7a01acSMauro Carvalho Chehab /* Set to automatic SECAM/Fsc mode */
531cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x00);
532cb7a01acSMauro Carvalho Chehab
533cb7a01acSMauro Carvalho Chehab ks->norm = std;
534cb7a01acSMauro Carvalho Chehab if (std & V4L2_STD_NTSC) {
535cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
536cb7a01acSMauro Carvalho Chehab "s_std: NTSC_M\n");
537cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x20);
538cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL_N) {
539cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
540cb7a01acSMauro Carvalho Chehab "s_std: NTSC_N (fixme)\n");
541cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x40);
542cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL) {
543cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
544cb7a01acSMauro Carvalho Chehab "s_std: PAL_N\n");
545cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x20);
546cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL_M) {
547cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
548cb7a01acSMauro Carvalho Chehab "s_std: PAL_M (fixme)\n");
549cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x40);
550cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_SECAM) {
551cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
552cb7a01acSMauro Carvalho Chehab "s_std: SECAM\n");
553cb7a01acSMauro Carvalho Chehab
554cb7a01acSMauro Carvalho Chehab /* set to secam autodetection */
555cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CHROMA, 0xdf, 0x20);
556cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x00);
557cb7a01acSMauro Carvalho Chehab schedule_timeout_interruptible(HZ/10+1);
558cb7a01acSMauro Carvalho Chehab
559cb7a01acSMauro Carvalho Chehab /* did it autodetect? */
560cb7a01acSMauro Carvalho Chehab if (!(ks0127_read(sd, KS_DEMOD) & 0x40))
561cb7a01acSMauro Carvalho Chehab /* force to secam mode */
562cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x0f);
563cb7a01acSMauro Carvalho Chehab } else {
564cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "s_std: Unknown norm %llx\n",
565cb7a01acSMauro Carvalho Chehab (unsigned long long)std);
566cb7a01acSMauro Carvalho Chehab }
567cb7a01acSMauro Carvalho Chehab return 0;
568cb7a01acSMauro Carvalho Chehab }
569cb7a01acSMauro Carvalho Chehab
ks0127_s_stream(struct v4l2_subdev * sd,int enable)570cb7a01acSMauro Carvalho Chehab static int ks0127_s_stream(struct v4l2_subdev *sd, int enable)
571cb7a01acSMauro Carvalho Chehab {
572cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "s_stream(%d)\n", enable);
573cb7a01acSMauro Carvalho Chehab if (enable) {
574cb7a01acSMauro Carvalho Chehab /* All output pins on */
575cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_OFMTA, 0xcf, 0x30);
576cb7a01acSMauro Carvalho Chehab /* Obey the OEN pin */
577cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CDEM, 0x7f, 0x00);
578cb7a01acSMauro Carvalho Chehab } else {
579cb7a01acSMauro Carvalho Chehab /* Video output pins off */
580cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_OFMTA, 0xcf, 0x00);
581cb7a01acSMauro Carvalho Chehab /* Ignore the OEN pin */
582cb7a01acSMauro Carvalho Chehab ks0127_and_or(sd, KS_CDEM, 0x7f, 0x80);
583cb7a01acSMauro Carvalho Chehab }
584cb7a01acSMauro Carvalho Chehab return 0;
585cb7a01acSMauro Carvalho Chehab }
586cb7a01acSMauro Carvalho Chehab
ks0127_status(struct v4l2_subdev * sd,u32 * pstatus,v4l2_std_id * pstd)587cb7a01acSMauro Carvalho Chehab static int ks0127_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
588cb7a01acSMauro Carvalho Chehab {
589cb7a01acSMauro Carvalho Chehab int stat = V4L2_IN_ST_NO_SIGNAL;
590cb7a01acSMauro Carvalho Chehab u8 status;
591e83c30c7SHans Verkuil v4l2_std_id std = pstd ? *pstd : V4L2_STD_ALL;
592cb7a01acSMauro Carvalho Chehab
593cb7a01acSMauro Carvalho Chehab status = ks0127_read(sd, KS_STAT);
594cb7a01acSMauro Carvalho Chehab if (!(status & 0x20)) /* NOVID not set */
595cb7a01acSMauro Carvalho Chehab stat = 0;
596e83c30c7SHans Verkuil if (!(status & 0x01)) { /* CLOCK set */
597cb7a01acSMauro Carvalho Chehab stat |= V4L2_IN_ST_NO_COLOR;
598e83c30c7SHans Verkuil std = V4L2_STD_UNKNOWN;
599e83c30c7SHans Verkuil } else {
600cb7a01acSMauro Carvalho Chehab if ((status & 0x08)) /* PALDET set */
601e83c30c7SHans Verkuil std &= V4L2_STD_PAL;
602cb7a01acSMauro Carvalho Chehab else
603e83c30c7SHans Verkuil std &= V4L2_STD_NTSC;
604e83c30c7SHans Verkuil }
605e83c30c7SHans Verkuil if ((status & 0x10)) /* PALDET set */
606e83c30c7SHans Verkuil std &= V4L2_STD_525_60;
607e83c30c7SHans Verkuil else
608e83c30c7SHans Verkuil std &= V4L2_STD_625_50;
609cb7a01acSMauro Carvalho Chehab if (pstd)
610cb7a01acSMauro Carvalho Chehab *pstd = std;
611cb7a01acSMauro Carvalho Chehab if (pstatus)
612cb7a01acSMauro Carvalho Chehab *pstatus = stat;
613cb7a01acSMauro Carvalho Chehab return 0;
614cb7a01acSMauro Carvalho Chehab }
615cb7a01acSMauro Carvalho Chehab
ks0127_querystd(struct v4l2_subdev * sd,v4l2_std_id * std)616cb7a01acSMauro Carvalho Chehab static int ks0127_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
617cb7a01acSMauro Carvalho Chehab {
618cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "querystd\n");
619cb7a01acSMauro Carvalho Chehab return ks0127_status(sd, NULL, std);
620cb7a01acSMauro Carvalho Chehab }
621cb7a01acSMauro Carvalho Chehab
ks0127_g_input_status(struct v4l2_subdev * sd,u32 * status)622cb7a01acSMauro Carvalho Chehab static int ks0127_g_input_status(struct v4l2_subdev *sd, u32 *status)
623cb7a01acSMauro Carvalho Chehab {
624cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "g_input_status\n");
625cb7a01acSMauro Carvalho Chehab return ks0127_status(sd, status, NULL);
626cb7a01acSMauro Carvalho Chehab }
627cb7a01acSMauro Carvalho Chehab
628cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
629cb7a01acSMauro Carvalho Chehab
630cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops ks0127_video_ops = {
6318774bed9SLaurent Pinchart .s_std = ks0127_s_std,
632cb7a01acSMauro Carvalho Chehab .s_routing = ks0127_s_routing,
633cb7a01acSMauro Carvalho Chehab .s_stream = ks0127_s_stream,
634cb7a01acSMauro Carvalho Chehab .querystd = ks0127_querystd,
635cb7a01acSMauro Carvalho Chehab .g_input_status = ks0127_g_input_status,
636cb7a01acSMauro Carvalho Chehab };
637cb7a01acSMauro Carvalho Chehab
638cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_ops ks0127_ops = {
639cb7a01acSMauro Carvalho Chehab .video = &ks0127_video_ops,
640cb7a01acSMauro Carvalho Chehab };
641cb7a01acSMauro Carvalho Chehab
642cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
643cb7a01acSMauro Carvalho Chehab
644cb7a01acSMauro Carvalho Chehab
ks0127_probe(struct i2c_client * client)6452a47e9fdSUwe Kleine-König static int ks0127_probe(struct i2c_client *client)
646cb7a01acSMauro Carvalho Chehab {
647cb7a01acSMauro Carvalho Chehab struct ks0127 *ks;
648cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd;
649cb7a01acSMauro Carvalho Chehab
650cb7a01acSMauro Carvalho Chehab v4l_info(client, "%s chip found @ 0x%x (%s)\n",
651cb7a01acSMauro Carvalho Chehab client->addr == (I2C_KS0127_ADDON >> 1) ? "addon" : "on-board",
652cb7a01acSMauro Carvalho Chehab client->addr << 1, client->adapter->name);
653cb7a01acSMauro Carvalho Chehab
654c02b211dSLaurent Pinchart ks = devm_kzalloc(&client->dev, sizeof(*ks), GFP_KERNEL);
655cb7a01acSMauro Carvalho Chehab if (ks == NULL)
656cb7a01acSMauro Carvalho Chehab return -ENOMEM;
657cb7a01acSMauro Carvalho Chehab sd = &ks->sd;
658cb7a01acSMauro Carvalho Chehab v4l2_i2c_subdev_init(sd, client, &ks0127_ops);
659cb7a01acSMauro Carvalho Chehab
660cb7a01acSMauro Carvalho Chehab /* power up */
661cb7a01acSMauro Carvalho Chehab init_reg_defaults();
662cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_CMDA, 0x2c);
663cb7a01acSMauro Carvalho Chehab mdelay(10);
664cb7a01acSMauro Carvalho Chehab
665cb7a01acSMauro Carvalho Chehab /* reset the device */
666cb7a01acSMauro Carvalho Chehab ks0127_init(sd);
667cb7a01acSMauro Carvalho Chehab return 0;
668cb7a01acSMauro Carvalho Chehab }
669cb7a01acSMauro Carvalho Chehab
ks0127_remove(struct i2c_client * client)670ed5c2f5fSUwe Kleine-König static void ks0127_remove(struct i2c_client *client)
671cb7a01acSMauro Carvalho Chehab {
672cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client);
673cb7a01acSMauro Carvalho Chehab
674cb7a01acSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd);
675cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_OFMTA, 0x20); /* tristate */
676cb7a01acSMauro Carvalho Chehab ks0127_write(sd, KS_CMDA, 0x2c | 0x80); /* power down */
677cb7a01acSMauro Carvalho Chehab }
678cb7a01acSMauro Carvalho Chehab
679cb7a01acSMauro Carvalho Chehab static const struct i2c_device_id ks0127_id[] = {
680cb7a01acSMauro Carvalho Chehab { "ks0127", 0 },
681cb7a01acSMauro Carvalho Chehab { "ks0127b", 0 },
682cb7a01acSMauro Carvalho Chehab { "ks0122s", 0 },
683cb7a01acSMauro Carvalho Chehab { }
684cb7a01acSMauro Carvalho Chehab };
685cb7a01acSMauro Carvalho Chehab MODULE_DEVICE_TABLE(i2c, ks0127_id);
686cb7a01acSMauro Carvalho Chehab
687cb7a01acSMauro Carvalho Chehab static struct i2c_driver ks0127_driver = {
688cb7a01acSMauro Carvalho Chehab .driver = {
689cb7a01acSMauro Carvalho Chehab .name = "ks0127",
690cb7a01acSMauro Carvalho Chehab },
691*aaeb31c0SUwe Kleine-König .probe = ks0127_probe,
692cb7a01acSMauro Carvalho Chehab .remove = ks0127_remove,
693cb7a01acSMauro Carvalho Chehab .id_table = ks0127_id,
694cb7a01acSMauro Carvalho Chehab };
695cb7a01acSMauro Carvalho Chehab
696cb7a01acSMauro Carvalho Chehab module_i2c_driver(ks0127_driver);
697