1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2cb7a01acSMauro Carvalho Chehab /*
3cb7a01acSMauro Carvalho Chehab * adv7175 - adv7175a video encoder driver version 0.0.3
4cb7a01acSMauro Carvalho Chehab *
5cb7a01acSMauro Carvalho Chehab * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
6cb7a01acSMauro Carvalho Chehab * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net>
7cb7a01acSMauro Carvalho Chehab * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
8cb7a01acSMauro Carvalho Chehab * - some corrections for Pinnacle Systems Inc. DC10plus card.
9cb7a01acSMauro Carvalho Chehab *
10cb7a01acSMauro Carvalho Chehab * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
11cb7a01acSMauro Carvalho Chehab * - moved over to linux>=2.4.x i2c protocol (9/9/2002)
12cb7a01acSMauro Carvalho Chehab */
13cb7a01acSMauro Carvalho Chehab
14cb7a01acSMauro Carvalho Chehab #include <linux/module.h>
15cb7a01acSMauro Carvalho Chehab #include <linux/types.h>
16cb7a01acSMauro Carvalho Chehab #include <linux/slab.h>
17cb7a01acSMauro Carvalho Chehab #include <linux/ioctl.h>
187c0f6ba6SLinus Torvalds #include <linux/uaccess.h>
19cb7a01acSMauro Carvalho Chehab #include <linux/i2c.h>
20cb7a01acSMauro Carvalho Chehab #include <linux/videodev2.h>
21cb7a01acSMauro Carvalho Chehab #include <media/v4l2-device.h>
22cb7a01acSMauro Carvalho Chehab
23cb7a01acSMauro Carvalho Chehab MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver");
24cb7a01acSMauro Carvalho Chehab MODULE_AUTHOR("Dave Perks");
25cb7a01acSMauro Carvalho Chehab MODULE_LICENSE("GPL");
26cb7a01acSMauro Carvalho Chehab
27cb7a01acSMauro Carvalho Chehab #define I2C_ADV7175 0xd4
28cb7a01acSMauro Carvalho Chehab #define I2C_ADV7176 0x54
29cb7a01acSMauro Carvalho Chehab
30cb7a01acSMauro Carvalho Chehab
31cb7a01acSMauro Carvalho Chehab static int debug;
32cb7a01acSMauro Carvalho Chehab module_param(debug, int, 0);
33cb7a01acSMauro Carvalho Chehab MODULE_PARM_DESC(debug, "Debug level (0-1)");
34cb7a01acSMauro Carvalho Chehab
35cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
36cb7a01acSMauro Carvalho Chehab
37cb7a01acSMauro Carvalho Chehab struct adv7175 {
38cb7a01acSMauro Carvalho Chehab struct v4l2_subdev sd;
39cb7a01acSMauro Carvalho Chehab v4l2_std_id norm;
40cb7a01acSMauro Carvalho Chehab int input;
41cb7a01acSMauro Carvalho Chehab };
42cb7a01acSMauro Carvalho Chehab
to_adv7175(struct v4l2_subdev * sd)43cb7a01acSMauro Carvalho Chehab static inline struct adv7175 *to_adv7175(struct v4l2_subdev *sd)
44cb7a01acSMauro Carvalho Chehab {
45cb7a01acSMauro Carvalho Chehab return container_of(sd, struct adv7175, sd);
46cb7a01acSMauro Carvalho Chehab }
47cb7a01acSMauro Carvalho Chehab
48cb7a01acSMauro Carvalho Chehab static char *inputs[] = { "pass_through", "play_back", "color_bar" };
49cb7a01acSMauro Carvalho Chehab
50f5fe58fdSBoris BREZILLON static u32 adv7175_codes[] = {
51f5fe58fdSBoris BREZILLON MEDIA_BUS_FMT_UYVY8_2X8,
52f5fe58fdSBoris BREZILLON MEDIA_BUS_FMT_UYVY8_1X16,
53cb7a01acSMauro Carvalho Chehab };
54cb7a01acSMauro Carvalho Chehab
55cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
56cb7a01acSMauro Carvalho Chehab
adv7175_write(struct v4l2_subdev * sd,u8 reg,u8 value)57cb7a01acSMauro Carvalho Chehab static inline int adv7175_write(struct v4l2_subdev *sd, u8 reg, u8 value)
58cb7a01acSMauro Carvalho Chehab {
59cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
60cb7a01acSMauro Carvalho Chehab
61cb7a01acSMauro Carvalho Chehab return i2c_smbus_write_byte_data(client, reg, value);
62cb7a01acSMauro Carvalho Chehab }
63cb7a01acSMauro Carvalho Chehab
adv7175_read(struct v4l2_subdev * sd,u8 reg)64cb7a01acSMauro Carvalho Chehab static inline int adv7175_read(struct v4l2_subdev *sd, u8 reg)
65cb7a01acSMauro Carvalho Chehab {
66cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
67cb7a01acSMauro Carvalho Chehab
68cb7a01acSMauro Carvalho Chehab return i2c_smbus_read_byte_data(client, reg);
69cb7a01acSMauro Carvalho Chehab }
70cb7a01acSMauro Carvalho Chehab
adv7175_write_block(struct v4l2_subdev * sd,const u8 * data,unsigned int len)71cb7a01acSMauro Carvalho Chehab static int adv7175_write_block(struct v4l2_subdev *sd,
72cb7a01acSMauro Carvalho Chehab const u8 *data, unsigned int len)
73cb7a01acSMauro Carvalho Chehab {
74cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
75cb7a01acSMauro Carvalho Chehab int ret = -1;
76cb7a01acSMauro Carvalho Chehab u8 reg;
77cb7a01acSMauro Carvalho Chehab
78cb7a01acSMauro Carvalho Chehab /* the adv7175 has an autoincrement function, use it if
79cb7a01acSMauro Carvalho Chehab * the adapter understands raw I2C */
80cb7a01acSMauro Carvalho Chehab if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
81cb7a01acSMauro Carvalho Chehab /* do raw I2C, not smbus compatible */
82cb7a01acSMauro Carvalho Chehab u8 block_data[32];
83cb7a01acSMauro Carvalho Chehab int block_len;
84cb7a01acSMauro Carvalho Chehab
85cb7a01acSMauro Carvalho Chehab while (len >= 2) {
86cb7a01acSMauro Carvalho Chehab block_len = 0;
87cb7a01acSMauro Carvalho Chehab block_data[block_len++] = reg = data[0];
88cb7a01acSMauro Carvalho Chehab do {
89cb7a01acSMauro Carvalho Chehab block_data[block_len++] = data[1];
90cb7a01acSMauro Carvalho Chehab reg++;
91cb7a01acSMauro Carvalho Chehab len -= 2;
92cb7a01acSMauro Carvalho Chehab data += 2;
93cb7a01acSMauro Carvalho Chehab } while (len >= 2 && data[0] == reg && block_len < 32);
94cb7a01acSMauro Carvalho Chehab ret = i2c_master_send(client, block_data, block_len);
95cb7a01acSMauro Carvalho Chehab if (ret < 0)
96cb7a01acSMauro Carvalho Chehab break;
97cb7a01acSMauro Carvalho Chehab }
98cb7a01acSMauro Carvalho Chehab } else {
99cb7a01acSMauro Carvalho Chehab /* do some slow I2C emulation kind of thing */
100cb7a01acSMauro Carvalho Chehab while (len >= 2) {
101cb7a01acSMauro Carvalho Chehab reg = *data++;
102cb7a01acSMauro Carvalho Chehab ret = adv7175_write(sd, reg, *data++);
103cb7a01acSMauro Carvalho Chehab if (ret < 0)
104cb7a01acSMauro Carvalho Chehab break;
105cb7a01acSMauro Carvalho Chehab len -= 2;
106cb7a01acSMauro Carvalho Chehab }
107cb7a01acSMauro Carvalho Chehab }
108cb7a01acSMauro Carvalho Chehab
109cb7a01acSMauro Carvalho Chehab return ret;
110cb7a01acSMauro Carvalho Chehab }
111cb7a01acSMauro Carvalho Chehab
set_subcarrier_freq(struct v4l2_subdev * sd,int pass_through)112cb7a01acSMauro Carvalho Chehab static void set_subcarrier_freq(struct v4l2_subdev *sd, int pass_through)
113cb7a01acSMauro Carvalho Chehab {
114cb7a01acSMauro Carvalho Chehab /* for some reason pass_through NTSC needs
115cb7a01acSMauro Carvalho Chehab * a different sub-carrier freq to remain stable. */
116cb7a01acSMauro Carvalho Chehab if (pass_through)
117cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x02, 0x00);
118cb7a01acSMauro Carvalho Chehab else
119cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x02, 0x55);
120cb7a01acSMauro Carvalho Chehab
121cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x03, 0x55);
122cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x04, 0x55);
123cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x05, 0x25);
124cb7a01acSMauro Carvalho Chehab }
125cb7a01acSMauro Carvalho Chehab
126cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
127cb7a01acSMauro Carvalho Chehab /* Output filter: S-Video Composite */
128cb7a01acSMauro Carvalho Chehab
129cb7a01acSMauro Carvalho Chehab #define MR050 0x11 /* 0x09 */
130cb7a01acSMauro Carvalho Chehab #define MR060 0x14 /* 0x0c */
131cb7a01acSMauro Carvalho Chehab
132cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
133cb7a01acSMauro Carvalho Chehab
134cb7a01acSMauro Carvalho Chehab #define TR0MODE 0x46
135cb7a01acSMauro Carvalho Chehab #define TR0RST 0x80
136cb7a01acSMauro Carvalho Chehab
137cb7a01acSMauro Carvalho Chehab #define TR1CAPT 0x80
138cb7a01acSMauro Carvalho Chehab #define TR1PLAY 0x00
139cb7a01acSMauro Carvalho Chehab
140cb7a01acSMauro Carvalho Chehab static const unsigned char init_common[] = {
141cb7a01acSMauro Carvalho Chehab
142cb7a01acSMauro Carvalho Chehab 0x00, MR050, /* MR0, PAL enabled */
143cb7a01acSMauro Carvalho Chehab 0x01, 0x00, /* MR1 */
144cb7a01acSMauro Carvalho Chehab 0x02, 0x0c, /* subc. freq. */
145cb7a01acSMauro Carvalho Chehab 0x03, 0x8c, /* subc. freq. */
146cb7a01acSMauro Carvalho Chehab 0x04, 0x79, /* subc. freq. */
147cb7a01acSMauro Carvalho Chehab 0x05, 0x26, /* subc. freq. */
148cb7a01acSMauro Carvalho Chehab 0x06, 0x40, /* subc. phase */
149cb7a01acSMauro Carvalho Chehab
150cb7a01acSMauro Carvalho Chehab 0x07, TR0MODE, /* TR0, 16bit */
151cb7a01acSMauro Carvalho Chehab 0x08, 0x21, /* */
152cb7a01acSMauro Carvalho Chehab 0x09, 0x00, /* */
153cb7a01acSMauro Carvalho Chehab 0x0a, 0x00, /* */
154cb7a01acSMauro Carvalho Chehab 0x0b, 0x00, /* */
155cb7a01acSMauro Carvalho Chehab 0x0c, TR1CAPT, /* TR1 */
156cb7a01acSMauro Carvalho Chehab 0x0d, 0x4f, /* MR2 */
157cb7a01acSMauro Carvalho Chehab 0x0e, 0x00, /* */
158cb7a01acSMauro Carvalho Chehab 0x0f, 0x00, /* */
159cb7a01acSMauro Carvalho Chehab 0x10, 0x00, /* */
160cb7a01acSMauro Carvalho Chehab 0x11, 0x00, /* */
161cb7a01acSMauro Carvalho Chehab };
162cb7a01acSMauro Carvalho Chehab
163cb7a01acSMauro Carvalho Chehab static const unsigned char init_pal[] = {
164cb7a01acSMauro Carvalho Chehab 0x00, MR050, /* MR0, PAL enabled */
165cb7a01acSMauro Carvalho Chehab 0x01, 0x00, /* MR1 */
166cb7a01acSMauro Carvalho Chehab 0x02, 0x0c, /* subc. freq. */
167cb7a01acSMauro Carvalho Chehab 0x03, 0x8c, /* subc. freq. */
168cb7a01acSMauro Carvalho Chehab 0x04, 0x79, /* subc. freq. */
169cb7a01acSMauro Carvalho Chehab 0x05, 0x26, /* subc. freq. */
170cb7a01acSMauro Carvalho Chehab 0x06, 0x40, /* subc. phase */
171cb7a01acSMauro Carvalho Chehab };
172cb7a01acSMauro Carvalho Chehab
173cb7a01acSMauro Carvalho Chehab static const unsigned char init_ntsc[] = {
174cb7a01acSMauro Carvalho Chehab 0x00, MR060, /* MR0, NTSC enabled */
175cb7a01acSMauro Carvalho Chehab 0x01, 0x00, /* MR1 */
176cb7a01acSMauro Carvalho Chehab 0x02, 0x55, /* subc. freq. */
177cb7a01acSMauro Carvalho Chehab 0x03, 0x55, /* subc. freq. */
178cb7a01acSMauro Carvalho Chehab 0x04, 0x55, /* subc. freq. */
179cb7a01acSMauro Carvalho Chehab 0x05, 0x25, /* subc. freq. */
180cb7a01acSMauro Carvalho Chehab 0x06, 0x1a, /* subc. phase */
181cb7a01acSMauro Carvalho Chehab };
182cb7a01acSMauro Carvalho Chehab
adv7175_init(struct v4l2_subdev * sd,u32 val)183cb7a01acSMauro Carvalho Chehab static int adv7175_init(struct v4l2_subdev *sd, u32 val)
184cb7a01acSMauro Carvalho Chehab {
185cb7a01acSMauro Carvalho Chehab /* This is just for testing!!! */
186cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_common, sizeof(init_common));
187cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST);
188cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE);
189cb7a01acSMauro Carvalho Chehab return 0;
190cb7a01acSMauro Carvalho Chehab }
191cb7a01acSMauro Carvalho Chehab
adv7175_s_std_output(struct v4l2_subdev * sd,v4l2_std_id std)192cb7a01acSMauro Carvalho Chehab static int adv7175_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
193cb7a01acSMauro Carvalho Chehab {
194cb7a01acSMauro Carvalho Chehab struct adv7175 *encoder = to_adv7175(sd);
195cb7a01acSMauro Carvalho Chehab
196cb7a01acSMauro Carvalho Chehab if (std & V4L2_STD_NTSC) {
197cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_ntsc, sizeof(init_ntsc));
198cb7a01acSMauro Carvalho Chehab if (encoder->input == 0)
199cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
200cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST);
201cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE);
202cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL) {
203cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_pal, sizeof(init_pal));
204cb7a01acSMauro Carvalho Chehab if (encoder->input == 0)
205cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
206cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST);
207cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE);
208cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_SECAM) {
209cb7a01acSMauro Carvalho Chehab /* This is an attempt to convert
210cb7a01acSMauro Carvalho Chehab * SECAM->PAL (typically it does not work
211cb7a01acSMauro Carvalho Chehab * due to genlock: when decoder is in SECAM
212cb7a01acSMauro Carvalho Chehab * and encoder in in PAL the subcarrier can
213f8a7647dSMauro Carvalho Chehab * not be synchronized with horizontal
214cb7a01acSMauro Carvalho Chehab * quency) */
215cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_pal, sizeof(init_pal));
216cb7a01acSMauro Carvalho Chehab if (encoder->input == 0)
217cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */
218cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST);
219cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE);
220cb7a01acSMauro Carvalho Chehab } else {
221cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal norm: %llx\n",
222cb7a01acSMauro Carvalho Chehab (unsigned long long)std);
223cb7a01acSMauro Carvalho Chehab return -EINVAL;
224cb7a01acSMauro Carvalho Chehab }
225cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %llx\n", (unsigned long long)std);
226cb7a01acSMauro Carvalho Chehab encoder->norm = std;
227cb7a01acSMauro Carvalho Chehab return 0;
228cb7a01acSMauro Carvalho Chehab }
229cb7a01acSMauro Carvalho Chehab
adv7175_s_routing(struct v4l2_subdev * sd,u32 input,u32 output,u32 config)230cb7a01acSMauro Carvalho Chehab static int adv7175_s_routing(struct v4l2_subdev *sd,
231cb7a01acSMauro Carvalho Chehab u32 input, u32 output, u32 config)
232cb7a01acSMauro Carvalho Chehab {
233cb7a01acSMauro Carvalho Chehab struct adv7175 *encoder = to_adv7175(sd);
234cb7a01acSMauro Carvalho Chehab
235cb7a01acSMauro Carvalho Chehab /* RJ: input = 0: input is from decoder
236cb7a01acSMauro Carvalho Chehab input = 1: input is from ZR36060
237cb7a01acSMauro Carvalho Chehab input = 2: color bar */
238cb7a01acSMauro Carvalho Chehab
239cb7a01acSMauro Carvalho Chehab switch (input) {
240cb7a01acSMauro Carvalho Chehab case 0:
241cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x00);
242cb7a01acSMauro Carvalho Chehab
243cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_NTSC)
244cb7a01acSMauro Carvalho Chehab set_subcarrier_freq(sd, 1);
245cb7a01acSMauro Carvalho Chehab
246cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0c, TR1CAPT); /* TR1 */
247cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_SECAM)
248cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */
249cb7a01acSMauro Carvalho Chehab else
250cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
251cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST);
252cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE);
253cb7a01acSMauro Carvalho Chehab /*udelay(10);*/
254cb7a01acSMauro Carvalho Chehab break;
255cb7a01acSMauro Carvalho Chehab
256cb7a01acSMauro Carvalho Chehab case 1:
257cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x00);
258cb7a01acSMauro Carvalho Chehab
259cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_NTSC)
260cb7a01acSMauro Carvalho Chehab set_subcarrier_freq(sd, 0);
261cb7a01acSMauro Carvalho Chehab
262cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0c, TR1PLAY); /* TR1 */
263cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49);
264cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST);
265cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE);
266cb7a01acSMauro Carvalho Chehab /* udelay(10); */
267cb7a01acSMauro Carvalho Chehab break;
268cb7a01acSMauro Carvalho Chehab
269cb7a01acSMauro Carvalho Chehab case 2:
270cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x80);
271cb7a01acSMauro Carvalho Chehab
272cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_NTSC)
273cb7a01acSMauro Carvalho Chehab set_subcarrier_freq(sd, 0);
274cb7a01acSMauro Carvalho Chehab
275cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49);
276cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST);
277cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE);
278cb7a01acSMauro Carvalho Chehab /* udelay(10); */
279cb7a01acSMauro Carvalho Chehab break;
280cb7a01acSMauro Carvalho Chehab
281cb7a01acSMauro Carvalho Chehab default:
282cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal input: %d\n", input);
283cb7a01acSMauro Carvalho Chehab return -EINVAL;
284cb7a01acSMauro Carvalho Chehab }
285cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[input]);
286cb7a01acSMauro Carvalho Chehab encoder->input = input;
287cb7a01acSMauro Carvalho Chehab return 0;
288cb7a01acSMauro Carvalho Chehab }
289cb7a01acSMauro Carvalho Chehab
adv7175_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code)290ebcff5fcSHans Verkuil static int adv7175_enum_mbus_code(struct v4l2_subdev *sd,
2910d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state,
292ebcff5fcSHans Verkuil struct v4l2_subdev_mbus_code_enum *code)
293cb7a01acSMauro Carvalho Chehab {
294ebcff5fcSHans Verkuil if (code->pad || code->index >= ARRAY_SIZE(adv7175_codes))
295cb7a01acSMauro Carvalho Chehab return -EINVAL;
296cb7a01acSMauro Carvalho Chehab
297ebcff5fcSHans Verkuil code->code = adv7175_codes[code->index];
298cb7a01acSMauro Carvalho Chehab return 0;
299cb7a01acSMauro Carvalho Chehab }
300cb7a01acSMauro Carvalho Chehab
adv7175_get_fmt(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * format)301da298c6dSHans Verkuil static int adv7175_get_fmt(struct v4l2_subdev *sd,
3020d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state,
303da298c6dSHans Verkuil struct v4l2_subdev_format *format)
304cb7a01acSMauro Carvalho Chehab {
305da298c6dSHans Verkuil struct v4l2_mbus_framefmt *mf = &format->format;
306cb7a01acSMauro Carvalho Chehab u8 val = adv7175_read(sd, 0x7);
307cb7a01acSMauro Carvalho Chehab
308da298c6dSHans Verkuil if (format->pad)
309da298c6dSHans Verkuil return -EINVAL;
310da298c6dSHans Verkuil
311cb7a01acSMauro Carvalho Chehab if ((val & 0x40) == (1 << 6))
312f5fe58fdSBoris BREZILLON mf->code = MEDIA_BUS_FMT_UYVY8_1X16;
313cb7a01acSMauro Carvalho Chehab else
314f5fe58fdSBoris BREZILLON mf->code = MEDIA_BUS_FMT_UYVY8_2X8;
315cb7a01acSMauro Carvalho Chehab
316cb7a01acSMauro Carvalho Chehab mf->colorspace = V4L2_COLORSPACE_SMPTE170M;
317cb7a01acSMauro Carvalho Chehab mf->width = 0;
318cb7a01acSMauro Carvalho Chehab mf->height = 0;
319cb7a01acSMauro Carvalho Chehab mf->field = V4L2_FIELD_ANY;
320cb7a01acSMauro Carvalho Chehab
321cb7a01acSMauro Carvalho Chehab return 0;
322cb7a01acSMauro Carvalho Chehab }
323cb7a01acSMauro Carvalho Chehab
adv7175_set_fmt(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * format)3246e80c473SHans Verkuil static int adv7175_set_fmt(struct v4l2_subdev *sd,
3250d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state,
3266e80c473SHans Verkuil struct v4l2_subdev_format *format)
327cb7a01acSMauro Carvalho Chehab {
3286e80c473SHans Verkuil struct v4l2_mbus_framefmt *mf = &format->format;
329cb7a01acSMauro Carvalho Chehab u8 val = adv7175_read(sd, 0x7);
3306e80c473SHans Verkuil int ret = 0;
3316e80c473SHans Verkuil
3326e80c473SHans Verkuil if (format->pad)
3336e80c473SHans Verkuil return -EINVAL;
334cb7a01acSMauro Carvalho Chehab
335cb7a01acSMauro Carvalho Chehab switch (mf->code) {
336f5fe58fdSBoris BREZILLON case MEDIA_BUS_FMT_UYVY8_2X8:
337cb7a01acSMauro Carvalho Chehab val &= ~0x40;
338cb7a01acSMauro Carvalho Chehab break;
339cb7a01acSMauro Carvalho Chehab
340f5fe58fdSBoris BREZILLON case MEDIA_BUS_FMT_UYVY8_1X16:
341cb7a01acSMauro Carvalho Chehab val |= 0x40;
342cb7a01acSMauro Carvalho Chehab break;
343cb7a01acSMauro Carvalho Chehab
344cb7a01acSMauro Carvalho Chehab default:
345cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
346cb7a01acSMauro Carvalho Chehab "illegal v4l2_mbus_framefmt code: %d\n", mf->code);
347cb7a01acSMauro Carvalho Chehab return -EINVAL;
348cb7a01acSMauro Carvalho Chehab }
349cb7a01acSMauro Carvalho Chehab
3506e80c473SHans Verkuil if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
351cb7a01acSMauro Carvalho Chehab ret = adv7175_write(sd, 0x7, val);
352cb7a01acSMauro Carvalho Chehab
353cb7a01acSMauro Carvalho Chehab return ret;
354cb7a01acSMauro Carvalho Chehab }
355cb7a01acSMauro Carvalho Chehab
adv7175_s_power(struct v4l2_subdev * sd,int on)356cb7a01acSMauro Carvalho Chehab static int adv7175_s_power(struct v4l2_subdev *sd, int on)
357cb7a01acSMauro Carvalho Chehab {
358cb7a01acSMauro Carvalho Chehab if (on)
359cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x00);
360cb7a01acSMauro Carvalho Chehab else
361cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x78);
362cb7a01acSMauro Carvalho Chehab
363cb7a01acSMauro Carvalho Chehab return 0;
364cb7a01acSMauro Carvalho Chehab }
365cb7a01acSMauro Carvalho Chehab
366cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
367cb7a01acSMauro Carvalho Chehab
368cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_core_ops adv7175_core_ops = {
369cb7a01acSMauro Carvalho Chehab .init = adv7175_init,
370cb7a01acSMauro Carvalho Chehab .s_power = adv7175_s_power,
371cb7a01acSMauro Carvalho Chehab };
372cb7a01acSMauro Carvalho Chehab
373cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops adv7175_video_ops = {
374cb7a01acSMauro Carvalho Chehab .s_std_output = adv7175_s_std_output,
375cb7a01acSMauro Carvalho Chehab .s_routing = adv7175_s_routing,
376ebcff5fcSHans Verkuil };
377ebcff5fcSHans Verkuil
378ebcff5fcSHans Verkuil static const struct v4l2_subdev_pad_ops adv7175_pad_ops = {
379ebcff5fcSHans Verkuil .enum_mbus_code = adv7175_enum_mbus_code,
380da298c6dSHans Verkuil .get_fmt = adv7175_get_fmt,
3816e80c473SHans Verkuil .set_fmt = adv7175_set_fmt,
382cb7a01acSMauro Carvalho Chehab };
383cb7a01acSMauro Carvalho Chehab
384cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_ops adv7175_ops = {
385cb7a01acSMauro Carvalho Chehab .core = &adv7175_core_ops,
386cb7a01acSMauro Carvalho Chehab .video = &adv7175_video_ops,
387ebcff5fcSHans Verkuil .pad = &adv7175_pad_ops,
388cb7a01acSMauro Carvalho Chehab };
389cb7a01acSMauro Carvalho Chehab
390cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
391cb7a01acSMauro Carvalho Chehab
adv7175_probe(struct i2c_client * client)392e42e7583SUwe Kleine-König static int adv7175_probe(struct i2c_client *client)
393cb7a01acSMauro Carvalho Chehab {
394cb7a01acSMauro Carvalho Chehab int i;
395cb7a01acSMauro Carvalho Chehab struct adv7175 *encoder;
396cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd;
397cb7a01acSMauro Carvalho Chehab
398cb7a01acSMauro Carvalho Chehab /* Check if the adapter supports the needed features */
399cb7a01acSMauro Carvalho Chehab if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
400cb7a01acSMauro Carvalho Chehab return -ENODEV;
401cb7a01acSMauro Carvalho Chehab
402cb7a01acSMauro Carvalho Chehab v4l_info(client, "chip found @ 0x%x (%s)\n",
403cb7a01acSMauro Carvalho Chehab client->addr << 1, client->adapter->name);
404cb7a01acSMauro Carvalho Chehab
405c02b211dSLaurent Pinchart encoder = devm_kzalloc(&client->dev, sizeof(*encoder), GFP_KERNEL);
406cb7a01acSMauro Carvalho Chehab if (encoder == NULL)
407cb7a01acSMauro Carvalho Chehab return -ENOMEM;
408cb7a01acSMauro Carvalho Chehab sd = &encoder->sd;
409cb7a01acSMauro Carvalho Chehab v4l2_i2c_subdev_init(sd, client, &adv7175_ops);
410cb7a01acSMauro Carvalho Chehab encoder->norm = V4L2_STD_NTSC;
411cb7a01acSMauro Carvalho Chehab encoder->input = 0;
412cb7a01acSMauro Carvalho Chehab
413cb7a01acSMauro Carvalho Chehab i = adv7175_write_block(sd, init_common, sizeof(init_common));
414cb7a01acSMauro Carvalho Chehab if (i >= 0) {
415cb7a01acSMauro Carvalho Chehab i = adv7175_write(sd, 0x07, TR0MODE | TR0RST);
416cb7a01acSMauro Carvalho Chehab i = adv7175_write(sd, 0x07, TR0MODE);
417cb7a01acSMauro Carvalho Chehab i = adv7175_read(sd, 0x12);
418cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "revision %d\n", i & 1);
419cb7a01acSMauro Carvalho Chehab }
420cb7a01acSMauro Carvalho Chehab if (i < 0)
421cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "init error 0x%x\n", i);
422cb7a01acSMauro Carvalho Chehab return 0;
423cb7a01acSMauro Carvalho Chehab }
424cb7a01acSMauro Carvalho Chehab
adv7175_remove(struct i2c_client * client)425ed5c2f5fSUwe Kleine-König static void adv7175_remove(struct i2c_client *client)
426cb7a01acSMauro Carvalho Chehab {
427cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client);
428cb7a01acSMauro Carvalho Chehab
429cb7a01acSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd);
430cb7a01acSMauro Carvalho Chehab }
431cb7a01acSMauro Carvalho Chehab
432cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
433cb7a01acSMauro Carvalho Chehab
434cb7a01acSMauro Carvalho Chehab static const struct i2c_device_id adv7175_id[] = {
435cb7a01acSMauro Carvalho Chehab { "adv7175", 0 },
436cb7a01acSMauro Carvalho Chehab { "adv7176", 0 },
437cb7a01acSMauro Carvalho Chehab { }
438cb7a01acSMauro Carvalho Chehab };
439cb7a01acSMauro Carvalho Chehab MODULE_DEVICE_TABLE(i2c, adv7175_id);
440cb7a01acSMauro Carvalho Chehab
441cb7a01acSMauro Carvalho Chehab static struct i2c_driver adv7175_driver = {
442cb7a01acSMauro Carvalho Chehab .driver = {
443cb7a01acSMauro Carvalho Chehab .name = "adv7175",
444cb7a01acSMauro Carvalho Chehab },
445*aaeb31c0SUwe Kleine-König .probe = adv7175_probe,
446cb7a01acSMauro Carvalho Chehab .remove = adv7175_remove,
447cb7a01acSMauro Carvalho Chehab .id_table = adv7175_id,
448cb7a01acSMauro Carvalho Chehab };
449cb7a01acSMauro Carvalho Chehab
450cb7a01acSMauro Carvalho Chehab module_i2c_driver(adv7175_driver);
451