1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2cb7a01acSMauro Carvalho Chehab /*
3cb7a01acSMauro Carvalho Chehab * adv7170 - adv7170, adv7171 video encoder driver version 0.0.1
4cb7a01acSMauro Carvalho Chehab *
5cb7a01acSMauro Carvalho Chehab * Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com>
6cb7a01acSMauro Carvalho Chehab *
7cb7a01acSMauro Carvalho Chehab * Based on adv7176 driver by:
8cb7a01acSMauro Carvalho Chehab *
9cb7a01acSMauro Carvalho Chehab * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
10cb7a01acSMauro Carvalho Chehab * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net>
11cb7a01acSMauro Carvalho Chehab * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
12cb7a01acSMauro Carvalho Chehab * - some corrections for Pinnacle Systems Inc. DC10plus card.
13cb7a01acSMauro Carvalho Chehab *
14cb7a01acSMauro Carvalho Chehab * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
15cb7a01acSMauro Carvalho Chehab * - moved over to linux>=2.4.x i2c protocol (1/1/2003)
16cb7a01acSMauro Carvalho Chehab */
17cb7a01acSMauro Carvalho Chehab
18cb7a01acSMauro Carvalho Chehab #include <linux/module.h>
19cb7a01acSMauro Carvalho Chehab #include <linux/types.h>
20cb7a01acSMauro Carvalho Chehab #include <linux/slab.h>
21cb7a01acSMauro Carvalho Chehab #include <linux/ioctl.h>
227c0f6ba6SLinus Torvalds #include <linux/uaccess.h>
23cb7a01acSMauro Carvalho Chehab #include <linux/i2c.h>
24cb7a01acSMauro Carvalho Chehab #include <linux/videodev2.h>
25cb7a01acSMauro Carvalho Chehab #include <media/v4l2-device.h>
26cb7a01acSMauro Carvalho Chehab
27cb7a01acSMauro Carvalho Chehab MODULE_DESCRIPTION("Analog Devices ADV7170 video encoder driver");
28cb7a01acSMauro Carvalho Chehab MODULE_AUTHOR("Maxim Yevtyushkin");
29cb7a01acSMauro Carvalho Chehab MODULE_LICENSE("GPL");
30cb7a01acSMauro Carvalho Chehab
31cb7a01acSMauro Carvalho Chehab
32cb7a01acSMauro Carvalho Chehab static int debug;
33cb7a01acSMauro Carvalho Chehab module_param(debug, int, 0);
34cb7a01acSMauro Carvalho Chehab MODULE_PARM_DESC(debug, "Debug level (0-1)");
35cb7a01acSMauro Carvalho Chehab
36cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
37cb7a01acSMauro Carvalho Chehab
38cb7a01acSMauro Carvalho Chehab struct adv7170 {
39cb7a01acSMauro Carvalho Chehab struct v4l2_subdev sd;
40cb7a01acSMauro Carvalho Chehab unsigned char reg[128];
41cb7a01acSMauro Carvalho Chehab
42cb7a01acSMauro Carvalho Chehab v4l2_std_id norm;
43cb7a01acSMauro Carvalho Chehab int input;
44cb7a01acSMauro Carvalho Chehab };
45cb7a01acSMauro Carvalho Chehab
to_adv7170(struct v4l2_subdev * sd)46cb7a01acSMauro Carvalho Chehab static inline struct adv7170 *to_adv7170(struct v4l2_subdev *sd)
47cb7a01acSMauro Carvalho Chehab {
48cb7a01acSMauro Carvalho Chehab return container_of(sd, struct adv7170, sd);
49cb7a01acSMauro Carvalho Chehab }
50cb7a01acSMauro Carvalho Chehab
51cb7a01acSMauro Carvalho Chehab static char *inputs[] = { "pass_through", "play_back" };
52cb7a01acSMauro Carvalho Chehab
53f5fe58fdSBoris BREZILLON static u32 adv7170_codes[] = {
54f5fe58fdSBoris BREZILLON MEDIA_BUS_FMT_UYVY8_2X8,
55f5fe58fdSBoris BREZILLON MEDIA_BUS_FMT_UYVY8_1X16,
56cb7a01acSMauro Carvalho Chehab };
57cb7a01acSMauro Carvalho Chehab
58cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
59cb7a01acSMauro Carvalho Chehab
adv7170_write(struct v4l2_subdev * sd,u8 reg,u8 value)60cb7a01acSMauro Carvalho Chehab static inline int adv7170_write(struct v4l2_subdev *sd, u8 reg, u8 value)
61cb7a01acSMauro Carvalho Chehab {
62cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
63cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd);
64cb7a01acSMauro Carvalho Chehab
65cb7a01acSMauro Carvalho Chehab encoder->reg[reg] = value;
66cb7a01acSMauro Carvalho Chehab return i2c_smbus_write_byte_data(client, reg, value);
67cb7a01acSMauro Carvalho Chehab }
68cb7a01acSMauro Carvalho Chehab
adv7170_read(struct v4l2_subdev * sd,u8 reg)69cb7a01acSMauro Carvalho Chehab static inline int adv7170_read(struct v4l2_subdev *sd, u8 reg)
70cb7a01acSMauro Carvalho Chehab {
71cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
72cb7a01acSMauro Carvalho Chehab
73cb7a01acSMauro Carvalho Chehab return i2c_smbus_read_byte_data(client, reg);
74cb7a01acSMauro Carvalho Chehab }
75cb7a01acSMauro Carvalho Chehab
adv7170_write_block(struct v4l2_subdev * sd,const u8 * data,unsigned int len)76cb7a01acSMauro Carvalho Chehab static int adv7170_write_block(struct v4l2_subdev *sd,
77cb7a01acSMauro Carvalho Chehab const u8 *data, unsigned int len)
78cb7a01acSMauro Carvalho Chehab {
79cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
80cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd);
81cb7a01acSMauro Carvalho Chehab int ret = -1;
82cb7a01acSMauro Carvalho Chehab u8 reg;
83cb7a01acSMauro Carvalho Chehab
84cb7a01acSMauro Carvalho Chehab /* the adv7170 has an autoincrement function, use it if
85cb7a01acSMauro Carvalho Chehab * the adapter understands raw I2C */
86cb7a01acSMauro Carvalho Chehab if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
87cb7a01acSMauro Carvalho Chehab /* do raw I2C, not smbus compatible */
88cb7a01acSMauro Carvalho Chehab u8 block_data[32];
89cb7a01acSMauro Carvalho Chehab int block_len;
90cb7a01acSMauro Carvalho Chehab
91cb7a01acSMauro Carvalho Chehab while (len >= 2) {
92cb7a01acSMauro Carvalho Chehab block_len = 0;
93cb7a01acSMauro Carvalho Chehab block_data[block_len++] = reg = data[0];
94cb7a01acSMauro Carvalho Chehab do {
95cb7a01acSMauro Carvalho Chehab block_data[block_len++] =
96cb7a01acSMauro Carvalho Chehab encoder->reg[reg++] = data[1];
97cb7a01acSMauro Carvalho Chehab len -= 2;
98cb7a01acSMauro Carvalho Chehab data += 2;
99cb7a01acSMauro Carvalho Chehab } while (len >= 2 && data[0] == reg && block_len < 32);
100cb7a01acSMauro Carvalho Chehab ret = i2c_master_send(client, block_data, block_len);
101cb7a01acSMauro Carvalho Chehab if (ret < 0)
102cb7a01acSMauro Carvalho Chehab break;
103cb7a01acSMauro Carvalho Chehab }
104cb7a01acSMauro Carvalho Chehab } else {
105cb7a01acSMauro Carvalho Chehab /* do some slow I2C emulation kind of thing */
106cb7a01acSMauro Carvalho Chehab while (len >= 2) {
107cb7a01acSMauro Carvalho Chehab reg = *data++;
108cb7a01acSMauro Carvalho Chehab ret = adv7170_write(sd, reg, *data++);
109cb7a01acSMauro Carvalho Chehab if (ret < 0)
110cb7a01acSMauro Carvalho Chehab break;
111cb7a01acSMauro Carvalho Chehab len -= 2;
112cb7a01acSMauro Carvalho Chehab }
113cb7a01acSMauro Carvalho Chehab }
114cb7a01acSMauro Carvalho Chehab return ret;
115cb7a01acSMauro Carvalho Chehab }
116cb7a01acSMauro Carvalho Chehab
117cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
118cb7a01acSMauro Carvalho Chehab
119cb7a01acSMauro Carvalho Chehab #define TR0MODE 0x4c
120cb7a01acSMauro Carvalho Chehab #define TR0RST 0x80
121cb7a01acSMauro Carvalho Chehab
122cb7a01acSMauro Carvalho Chehab #define TR1CAPT 0x00
123cb7a01acSMauro Carvalho Chehab #define TR1PLAY 0x00
124cb7a01acSMauro Carvalho Chehab
125cb7a01acSMauro Carvalho Chehab static const unsigned char init_NTSC[] = {
126cb7a01acSMauro Carvalho Chehab 0x00, 0x10, /* MR0 */
127cb7a01acSMauro Carvalho Chehab 0x01, 0x20, /* MR1 */
128cb7a01acSMauro Carvalho Chehab 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */
129cb7a01acSMauro Carvalho Chehab 0x03, 0x80, /* MR3 */
130cb7a01acSMauro Carvalho Chehab 0x04, 0x30, /* MR4 */
131cb7a01acSMauro Carvalho Chehab 0x05, 0x00, /* Reserved */
132cb7a01acSMauro Carvalho Chehab 0x06, 0x00, /* Reserved */
133cb7a01acSMauro Carvalho Chehab 0x07, TR0MODE, /* TM0 */
134cb7a01acSMauro Carvalho Chehab 0x08, TR1CAPT, /* TM1 */
135cb7a01acSMauro Carvalho Chehab 0x09, 0x16, /* Fsc0 */
136cb7a01acSMauro Carvalho Chehab 0x0a, 0x7c, /* Fsc1 */
137cb7a01acSMauro Carvalho Chehab 0x0b, 0xf0, /* Fsc2 */
138cb7a01acSMauro Carvalho Chehab 0x0c, 0x21, /* Fsc3 */
139cb7a01acSMauro Carvalho Chehab 0x0d, 0x00, /* Subcarrier Phase */
140cb7a01acSMauro Carvalho Chehab 0x0e, 0x00, /* Closed Capt. Ext 0 */
141cb7a01acSMauro Carvalho Chehab 0x0f, 0x00, /* Closed Capt. Ext 1 */
142cb7a01acSMauro Carvalho Chehab 0x10, 0x00, /* Closed Capt. 0 */
143cb7a01acSMauro Carvalho Chehab 0x11, 0x00, /* Closed Capt. 1 */
144cb7a01acSMauro Carvalho Chehab 0x12, 0x00, /* Pedestal Ctl 0 */
145cb7a01acSMauro Carvalho Chehab 0x13, 0x00, /* Pedestal Ctl 1 */
146cb7a01acSMauro Carvalho Chehab 0x14, 0x00, /* Pedestal Ctl 2 */
147cb7a01acSMauro Carvalho Chehab 0x15, 0x00, /* Pedestal Ctl 3 */
148cb7a01acSMauro Carvalho Chehab 0x16, 0x00, /* CGMS_WSS_0 */
149cb7a01acSMauro Carvalho Chehab 0x17, 0x00, /* CGMS_WSS_1 */
150cb7a01acSMauro Carvalho Chehab 0x18, 0x00, /* CGMS_WSS_2 */
151cb7a01acSMauro Carvalho Chehab 0x19, 0x00, /* Teletext Ctl */
152cb7a01acSMauro Carvalho Chehab };
153cb7a01acSMauro Carvalho Chehab
154cb7a01acSMauro Carvalho Chehab static const unsigned char init_PAL[] = {
155cb7a01acSMauro Carvalho Chehab 0x00, 0x71, /* MR0 */
156cb7a01acSMauro Carvalho Chehab 0x01, 0x20, /* MR1 */
157cb7a01acSMauro Carvalho Chehab 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */
158cb7a01acSMauro Carvalho Chehab 0x03, 0x80, /* MR3 */
159cb7a01acSMauro Carvalho Chehab 0x04, 0x30, /* MR4 */
160cb7a01acSMauro Carvalho Chehab 0x05, 0x00, /* Reserved */
161cb7a01acSMauro Carvalho Chehab 0x06, 0x00, /* Reserved */
162cb7a01acSMauro Carvalho Chehab 0x07, TR0MODE, /* TM0 */
163cb7a01acSMauro Carvalho Chehab 0x08, TR1CAPT, /* TM1 */
164cb7a01acSMauro Carvalho Chehab 0x09, 0xcb, /* Fsc0 */
165cb7a01acSMauro Carvalho Chehab 0x0a, 0x8a, /* Fsc1 */
166cb7a01acSMauro Carvalho Chehab 0x0b, 0x09, /* Fsc2 */
167cb7a01acSMauro Carvalho Chehab 0x0c, 0x2a, /* Fsc3 */
168cb7a01acSMauro Carvalho Chehab 0x0d, 0x00, /* Subcarrier Phase */
169cb7a01acSMauro Carvalho Chehab 0x0e, 0x00, /* Closed Capt. Ext 0 */
170cb7a01acSMauro Carvalho Chehab 0x0f, 0x00, /* Closed Capt. Ext 1 */
171cb7a01acSMauro Carvalho Chehab 0x10, 0x00, /* Closed Capt. 0 */
172cb7a01acSMauro Carvalho Chehab 0x11, 0x00, /* Closed Capt. 1 */
173cb7a01acSMauro Carvalho Chehab 0x12, 0x00, /* Pedestal Ctl 0 */
174cb7a01acSMauro Carvalho Chehab 0x13, 0x00, /* Pedestal Ctl 1 */
175cb7a01acSMauro Carvalho Chehab 0x14, 0x00, /* Pedestal Ctl 2 */
176cb7a01acSMauro Carvalho Chehab 0x15, 0x00, /* Pedestal Ctl 3 */
177cb7a01acSMauro Carvalho Chehab 0x16, 0x00, /* CGMS_WSS_0 */
178cb7a01acSMauro Carvalho Chehab 0x17, 0x00, /* CGMS_WSS_1 */
179cb7a01acSMauro Carvalho Chehab 0x18, 0x00, /* CGMS_WSS_2 */
180cb7a01acSMauro Carvalho Chehab 0x19, 0x00, /* Teletext Ctl */
181cb7a01acSMauro Carvalho Chehab };
182cb7a01acSMauro Carvalho Chehab
183cb7a01acSMauro Carvalho Chehab
adv7170_s_std_output(struct v4l2_subdev * sd,v4l2_std_id std)184cb7a01acSMauro Carvalho Chehab static int adv7170_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
185cb7a01acSMauro Carvalho Chehab {
186cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd);
187cb7a01acSMauro Carvalho Chehab
188cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std);
189cb7a01acSMauro Carvalho Chehab
190cb7a01acSMauro Carvalho Chehab if (std & V4L2_STD_NTSC) {
191cb7a01acSMauro Carvalho Chehab adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC));
192cb7a01acSMauro Carvalho Chehab if (encoder->input == 0)
193cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */
194cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST);
195cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE);
196cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL) {
197cb7a01acSMauro Carvalho Chehab adv7170_write_block(sd, init_PAL, sizeof(init_PAL));
198cb7a01acSMauro Carvalho Chehab if (encoder->input == 0)
199cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */
200cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST);
201cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE);
202cb7a01acSMauro Carvalho Chehab } else {
203cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal norm: %llx\n",
204cb7a01acSMauro Carvalho Chehab (unsigned long long)std);
205cb7a01acSMauro Carvalho Chehab return -EINVAL;
206cb7a01acSMauro Carvalho Chehab }
207cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %llx\n", (unsigned long long)std);
208cb7a01acSMauro Carvalho Chehab encoder->norm = std;
209cb7a01acSMauro Carvalho Chehab return 0;
210cb7a01acSMauro Carvalho Chehab }
211cb7a01acSMauro Carvalho Chehab
adv7170_s_routing(struct v4l2_subdev * sd,u32 input,u32 output,u32 config)212cb7a01acSMauro Carvalho Chehab static int adv7170_s_routing(struct v4l2_subdev *sd,
213cb7a01acSMauro Carvalho Chehab u32 input, u32 output, u32 config)
214cb7a01acSMauro Carvalho Chehab {
215cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd);
216cb7a01acSMauro Carvalho Chehab
217cb7a01acSMauro Carvalho Chehab /* RJ: input = 0: input is from decoder
218cb7a01acSMauro Carvalho Chehab input = 1: input is from ZR36060
219cb7a01acSMauro Carvalho Chehab input = 2: color bar */
220cb7a01acSMauro Carvalho Chehab
221cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "set input from %s\n",
222cb7a01acSMauro Carvalho Chehab input == 0 ? "decoder" : "ZR36060");
223cb7a01acSMauro Carvalho Chehab
224cb7a01acSMauro Carvalho Chehab switch (input) {
225cb7a01acSMauro Carvalho Chehab case 0:
226cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x01, 0x20);
227cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x08, TR1CAPT); /* TR1 */
228cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */
229cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST);
230cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE);
231cb7a01acSMauro Carvalho Chehab /* udelay(10); */
232cb7a01acSMauro Carvalho Chehab break;
233cb7a01acSMauro Carvalho Chehab
234cb7a01acSMauro Carvalho Chehab case 1:
235cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x01, 0x00);
236cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x08, TR1PLAY); /* TR1 */
237cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x08);
238cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST);
239cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE);
240cb7a01acSMauro Carvalho Chehab /* udelay(10); */
241cb7a01acSMauro Carvalho Chehab break;
242cb7a01acSMauro Carvalho Chehab
243cb7a01acSMauro Carvalho Chehab default:
244cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal input: %d\n", input);
245cb7a01acSMauro Carvalho Chehab return -EINVAL;
246cb7a01acSMauro Carvalho Chehab }
247cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[input]);
248cb7a01acSMauro Carvalho Chehab encoder->input = input;
249cb7a01acSMauro Carvalho Chehab return 0;
250cb7a01acSMauro Carvalho Chehab }
251cb7a01acSMauro Carvalho Chehab
adv7170_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code)252ebcff5fcSHans Verkuil static int adv7170_enum_mbus_code(struct v4l2_subdev *sd,
2530d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state,
254ebcff5fcSHans Verkuil struct v4l2_subdev_mbus_code_enum *code)
255cb7a01acSMauro Carvalho Chehab {
256ebcff5fcSHans Verkuil if (code->pad || code->index >= ARRAY_SIZE(adv7170_codes))
257cb7a01acSMauro Carvalho Chehab return -EINVAL;
258cb7a01acSMauro Carvalho Chehab
259ebcff5fcSHans Verkuil code->code = adv7170_codes[code->index];
260cb7a01acSMauro Carvalho Chehab return 0;
261cb7a01acSMauro Carvalho Chehab }
262cb7a01acSMauro Carvalho Chehab
adv7170_get_fmt(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * format)263da298c6dSHans Verkuil static int adv7170_get_fmt(struct v4l2_subdev *sd,
2640d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state,
265da298c6dSHans Verkuil struct v4l2_subdev_format *format)
266cb7a01acSMauro Carvalho Chehab {
267da298c6dSHans Verkuil struct v4l2_mbus_framefmt *mf = &format->format;
268cb7a01acSMauro Carvalho Chehab u8 val = adv7170_read(sd, 0x7);
269cb7a01acSMauro Carvalho Chehab
270da298c6dSHans Verkuil if (format->pad)
271da298c6dSHans Verkuil return -EINVAL;
272da298c6dSHans Verkuil
273cb7a01acSMauro Carvalho Chehab if ((val & 0x40) == (1 << 6))
274f5fe58fdSBoris BREZILLON mf->code = MEDIA_BUS_FMT_UYVY8_1X16;
275cb7a01acSMauro Carvalho Chehab else
276f5fe58fdSBoris BREZILLON mf->code = MEDIA_BUS_FMT_UYVY8_2X8;
277cb7a01acSMauro Carvalho Chehab
278cb7a01acSMauro Carvalho Chehab mf->colorspace = V4L2_COLORSPACE_SMPTE170M;
279cb7a01acSMauro Carvalho Chehab mf->width = 0;
280cb7a01acSMauro Carvalho Chehab mf->height = 0;
281cb7a01acSMauro Carvalho Chehab mf->field = V4L2_FIELD_ANY;
282cb7a01acSMauro Carvalho Chehab
283cb7a01acSMauro Carvalho Chehab return 0;
284cb7a01acSMauro Carvalho Chehab }
285cb7a01acSMauro Carvalho Chehab
adv7170_set_fmt(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * format)2866e80c473SHans Verkuil static int adv7170_set_fmt(struct v4l2_subdev *sd,
2870d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state,
2886e80c473SHans Verkuil struct v4l2_subdev_format *format)
289cb7a01acSMauro Carvalho Chehab {
2906e80c473SHans Verkuil struct v4l2_mbus_framefmt *mf = &format->format;
291cb7a01acSMauro Carvalho Chehab u8 val = adv7170_read(sd, 0x7);
2926e80c473SHans Verkuil
2936e80c473SHans Verkuil if (format->pad)
2946e80c473SHans Verkuil return -EINVAL;
295cb7a01acSMauro Carvalho Chehab
296cb7a01acSMauro Carvalho Chehab switch (mf->code) {
297f5fe58fdSBoris BREZILLON case MEDIA_BUS_FMT_UYVY8_2X8:
298cb7a01acSMauro Carvalho Chehab val &= ~0x40;
299cb7a01acSMauro Carvalho Chehab break;
300cb7a01acSMauro Carvalho Chehab
301f5fe58fdSBoris BREZILLON case MEDIA_BUS_FMT_UYVY8_1X16:
302cb7a01acSMauro Carvalho Chehab val |= 0x40;
303cb7a01acSMauro Carvalho Chehab break;
304cb7a01acSMauro Carvalho Chehab
305cb7a01acSMauro Carvalho Chehab default:
306cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd,
307cb7a01acSMauro Carvalho Chehab "illegal v4l2_mbus_framefmt code: %d\n", mf->code);
308cb7a01acSMauro Carvalho Chehab return -EINVAL;
309cb7a01acSMauro Carvalho Chehab }
310cb7a01acSMauro Carvalho Chehab
3116e80c473SHans Verkuil if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
3125f98e5f5SBaruch Siach return adv7170_write(sd, 0x7, val);
313cb7a01acSMauro Carvalho Chehab
3145f98e5f5SBaruch Siach return 0;
315cb7a01acSMauro Carvalho Chehab }
316cb7a01acSMauro Carvalho Chehab
317cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
318cb7a01acSMauro Carvalho Chehab
319cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops adv7170_video_ops = {
320cb7a01acSMauro Carvalho Chehab .s_std_output = adv7170_s_std_output,
321cb7a01acSMauro Carvalho Chehab .s_routing = adv7170_s_routing,
322ebcff5fcSHans Verkuil };
323ebcff5fcSHans Verkuil
324ebcff5fcSHans Verkuil static const struct v4l2_subdev_pad_ops adv7170_pad_ops = {
325ebcff5fcSHans Verkuil .enum_mbus_code = adv7170_enum_mbus_code,
326da298c6dSHans Verkuil .get_fmt = adv7170_get_fmt,
3276e80c473SHans Verkuil .set_fmt = adv7170_set_fmt,
328cb7a01acSMauro Carvalho Chehab };
329cb7a01acSMauro Carvalho Chehab
330cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_ops adv7170_ops = {
331cb7a01acSMauro Carvalho Chehab .video = &adv7170_video_ops,
332ebcff5fcSHans Verkuil .pad = &adv7170_pad_ops,
333cb7a01acSMauro Carvalho Chehab };
334cb7a01acSMauro Carvalho Chehab
335cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
336cb7a01acSMauro Carvalho Chehab
adv7170_probe(struct i2c_client * client)3371c511423SUwe Kleine-König static int adv7170_probe(struct i2c_client *client)
338cb7a01acSMauro Carvalho Chehab {
339cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder;
340cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd;
341cb7a01acSMauro Carvalho Chehab int i;
342cb7a01acSMauro Carvalho Chehab
343cb7a01acSMauro Carvalho Chehab /* Check if the adapter supports the needed features */
344cb7a01acSMauro Carvalho Chehab if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
345cb7a01acSMauro Carvalho Chehab return -ENODEV;
346cb7a01acSMauro Carvalho Chehab
347cb7a01acSMauro Carvalho Chehab v4l_info(client, "chip found @ 0x%x (%s)\n",
348cb7a01acSMauro Carvalho Chehab client->addr << 1, client->adapter->name);
349cb7a01acSMauro Carvalho Chehab
350c02b211dSLaurent Pinchart encoder = devm_kzalloc(&client->dev, sizeof(*encoder), GFP_KERNEL);
351cb7a01acSMauro Carvalho Chehab if (encoder == NULL)
352cb7a01acSMauro Carvalho Chehab return -ENOMEM;
353cb7a01acSMauro Carvalho Chehab sd = &encoder->sd;
354cb7a01acSMauro Carvalho Chehab v4l2_i2c_subdev_init(sd, client, &adv7170_ops);
355cb7a01acSMauro Carvalho Chehab encoder->norm = V4L2_STD_NTSC;
356cb7a01acSMauro Carvalho Chehab encoder->input = 0;
357cb7a01acSMauro Carvalho Chehab
358cb7a01acSMauro Carvalho Chehab i = adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC));
359cb7a01acSMauro Carvalho Chehab if (i >= 0) {
360cb7a01acSMauro Carvalho Chehab i = adv7170_write(sd, 0x07, TR0MODE | TR0RST);
361cb7a01acSMauro Carvalho Chehab i = adv7170_write(sd, 0x07, TR0MODE);
362cb7a01acSMauro Carvalho Chehab i = adv7170_read(sd, 0x12);
363cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "revision %d\n", i & 1);
364cb7a01acSMauro Carvalho Chehab }
365cb7a01acSMauro Carvalho Chehab if (i < 0)
366cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "init error 0x%x\n", i);
367cb7a01acSMauro Carvalho Chehab return 0;
368cb7a01acSMauro Carvalho Chehab }
369cb7a01acSMauro Carvalho Chehab
adv7170_remove(struct i2c_client * client)370ed5c2f5fSUwe Kleine-König static void adv7170_remove(struct i2c_client *client)
371cb7a01acSMauro Carvalho Chehab {
372cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client);
373cb7a01acSMauro Carvalho Chehab
374cb7a01acSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd);
375cb7a01acSMauro Carvalho Chehab }
376cb7a01acSMauro Carvalho Chehab
377cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
378cb7a01acSMauro Carvalho Chehab
379cb7a01acSMauro Carvalho Chehab static const struct i2c_device_id adv7170_id[] = {
380cb7a01acSMauro Carvalho Chehab { "adv7170", 0 },
381cb7a01acSMauro Carvalho Chehab { "adv7171", 0 },
382cb7a01acSMauro Carvalho Chehab { }
383cb7a01acSMauro Carvalho Chehab };
384cb7a01acSMauro Carvalho Chehab MODULE_DEVICE_TABLE(i2c, adv7170_id);
385cb7a01acSMauro Carvalho Chehab
386cb7a01acSMauro Carvalho Chehab static struct i2c_driver adv7170_driver = {
387cb7a01acSMauro Carvalho Chehab .driver = {
388cb7a01acSMauro Carvalho Chehab .name = "adv7170",
389cb7a01acSMauro Carvalho Chehab },
390*aaeb31c0SUwe Kleine-König .probe = adv7170_probe,
391cb7a01acSMauro Carvalho Chehab .remove = adv7170_remove,
392cb7a01acSMauro Carvalho Chehab .id_table = adv7170_id,
393cb7a01acSMauro Carvalho Chehab };
394cb7a01acSMauro Carvalho Chehab
395cb7a01acSMauro Carvalho Chehab module_i2c_driver(adv7170_driver);
396