1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2cb7a01acSMauro Carvalho Chehab /*
3cb7a01acSMauro Carvalho Chehab * saa7110 - Philips SAA7110(A) video decoder driver
4cb7a01acSMauro Carvalho Chehab *
5cb7a01acSMauro Carvalho Chehab * Copyright (C) 1998 Pauline Middelink <middelin@polyware.nl>
6cb7a01acSMauro Carvalho Chehab *
7cb7a01acSMauro Carvalho Chehab * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net>
8cb7a01acSMauro Carvalho Chehab * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
9cb7a01acSMauro Carvalho Chehab * - some corrections for Pinnacle Systems Inc. DC10plus card.
10cb7a01acSMauro Carvalho Chehab *
11cb7a01acSMauro Carvalho Chehab * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
12cb7a01acSMauro Carvalho Chehab * - moved over to linux>=2.4.x i2c protocol (1/1/2003)
13cb7a01acSMauro Carvalho Chehab */
14cb7a01acSMauro Carvalho Chehab
15cb7a01acSMauro Carvalho Chehab #include <linux/module.h>
16cb7a01acSMauro Carvalho Chehab #include <linux/init.h>
17cb7a01acSMauro Carvalho Chehab #include <linux/types.h>
18cb7a01acSMauro Carvalho Chehab #include <linux/delay.h>
19cb7a01acSMauro Carvalho Chehab #include <linux/slab.h>
20cb7a01acSMauro Carvalho Chehab #include <linux/wait.h>
217c0f6ba6SLinus Torvalds #include <linux/uaccess.h>
22cb7a01acSMauro Carvalho Chehab #include <linux/i2c.h>
23cb7a01acSMauro Carvalho Chehab #include <linux/videodev2.h>
24cb7a01acSMauro Carvalho Chehab #include <media/v4l2-device.h>
25cb7a01acSMauro Carvalho Chehab #include <media/v4l2-ctrls.h>
26cb7a01acSMauro Carvalho Chehab
27cb7a01acSMauro Carvalho Chehab MODULE_DESCRIPTION("Philips SAA7110 video decoder driver");
28cb7a01acSMauro Carvalho Chehab MODULE_AUTHOR("Pauline Middelink");
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 #define SAA7110_MAX_INPUT 9 /* 6 CVBS, 3 SVHS */
37cb7a01acSMauro Carvalho Chehab #define SAA7110_MAX_OUTPUT 1 /* 1 YUV */
38cb7a01acSMauro Carvalho Chehab
39cb7a01acSMauro Carvalho Chehab #define SAA7110_NR_REG 0x35
40cb7a01acSMauro Carvalho Chehab
41cb7a01acSMauro Carvalho Chehab struct saa7110 {
42cb7a01acSMauro Carvalho Chehab struct v4l2_subdev sd;
43cb7a01acSMauro Carvalho Chehab struct v4l2_ctrl_handler hdl;
44cb7a01acSMauro Carvalho Chehab u8 reg[SAA7110_NR_REG];
45cb7a01acSMauro Carvalho Chehab
46cb7a01acSMauro Carvalho Chehab v4l2_std_id norm;
47cb7a01acSMauro Carvalho Chehab int input;
48cb7a01acSMauro Carvalho Chehab int enable;
49cb7a01acSMauro Carvalho Chehab
50cb7a01acSMauro Carvalho Chehab wait_queue_head_t wq;
51cb7a01acSMauro Carvalho Chehab };
52cb7a01acSMauro Carvalho Chehab
to_saa7110(struct v4l2_subdev * sd)53cb7a01acSMauro Carvalho Chehab static inline struct saa7110 *to_saa7110(struct v4l2_subdev *sd)
54cb7a01acSMauro Carvalho Chehab {
55cb7a01acSMauro Carvalho Chehab return container_of(sd, struct saa7110, sd);
56cb7a01acSMauro Carvalho Chehab }
57cb7a01acSMauro Carvalho Chehab
to_sd(struct v4l2_ctrl * ctrl)58cb7a01acSMauro Carvalho Chehab static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
59cb7a01acSMauro Carvalho Chehab {
60cb7a01acSMauro Carvalho Chehab return &container_of(ctrl->handler, struct saa7110, hdl)->sd;
61cb7a01acSMauro Carvalho Chehab }
62cb7a01acSMauro Carvalho Chehab
63cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
64cb7a01acSMauro Carvalho Chehab /* I2C support functions */
65cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
66cb7a01acSMauro Carvalho Chehab
saa7110_write(struct v4l2_subdev * sd,u8 reg,u8 value)67cb7a01acSMauro Carvalho Chehab static int saa7110_write(struct v4l2_subdev *sd, u8 reg, u8 value)
68cb7a01acSMauro Carvalho Chehab {
69cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
70cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
71cb7a01acSMauro Carvalho Chehab
72cb7a01acSMauro Carvalho Chehab decoder->reg[reg] = value;
73cb7a01acSMauro Carvalho Chehab return i2c_smbus_write_byte_data(client, reg, value);
74cb7a01acSMauro Carvalho Chehab }
75cb7a01acSMauro Carvalho Chehab
saa7110_write_block(struct v4l2_subdev * sd,const u8 * data,unsigned int len)76cb7a01acSMauro Carvalho Chehab static int saa7110_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len)
77cb7a01acSMauro Carvalho Chehab {
78cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
79cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
80cb7a01acSMauro Carvalho Chehab int ret = -1;
81cb7a01acSMauro Carvalho Chehab u8 reg = *data; /* first register to write to */
82cb7a01acSMauro Carvalho Chehab
83cb7a01acSMauro Carvalho Chehab /* Sanity check */
84cb7a01acSMauro Carvalho Chehab if (reg + (len - 1) > SAA7110_NR_REG)
85cb7a01acSMauro Carvalho Chehab return ret;
86cb7a01acSMauro Carvalho Chehab
87cb7a01acSMauro Carvalho Chehab /* the saa7110 has an autoincrement function, use it if
88cb7a01acSMauro Carvalho Chehab * the adapter understands raw I2C */
89cb7a01acSMauro Carvalho Chehab if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
90cb7a01acSMauro Carvalho Chehab ret = i2c_master_send(client, data, len);
91cb7a01acSMauro Carvalho Chehab
92cb7a01acSMauro Carvalho Chehab /* Cache the written data */
93cb7a01acSMauro Carvalho Chehab memcpy(decoder->reg + reg, data + 1, len - 1);
94cb7a01acSMauro Carvalho Chehab } else {
95cb7a01acSMauro Carvalho Chehab for (++data, --len; len; len--) {
96cb7a01acSMauro Carvalho Chehab ret = saa7110_write(sd, reg++, *data++);
97cb7a01acSMauro Carvalho Chehab if (ret < 0)
98cb7a01acSMauro Carvalho Chehab break;
99cb7a01acSMauro Carvalho Chehab }
100cb7a01acSMauro Carvalho Chehab }
101cb7a01acSMauro Carvalho Chehab
102cb7a01acSMauro Carvalho Chehab return ret;
103cb7a01acSMauro Carvalho Chehab }
104cb7a01acSMauro Carvalho Chehab
saa7110_read(struct v4l2_subdev * sd)105cb7a01acSMauro Carvalho Chehab static inline int saa7110_read(struct v4l2_subdev *sd)
106cb7a01acSMauro Carvalho Chehab {
107cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd);
108cb7a01acSMauro Carvalho Chehab
109cb7a01acSMauro Carvalho Chehab return i2c_smbus_read_byte(client);
110cb7a01acSMauro Carvalho Chehab }
111cb7a01acSMauro Carvalho Chehab
112cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
113cb7a01acSMauro Carvalho Chehab /* SAA7110 functions */
114cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
115cb7a01acSMauro Carvalho Chehab
116cb7a01acSMauro Carvalho Chehab #define FRESP_06H_COMPST 0x03 /*0x13*/
117cb7a01acSMauro Carvalho Chehab #define FRESP_06H_SVIDEO 0x83 /*0xC0*/
118cb7a01acSMauro Carvalho Chehab
119cb7a01acSMauro Carvalho Chehab
saa7110_selmux(struct v4l2_subdev * sd,int chan)120cb7a01acSMauro Carvalho Chehab static int saa7110_selmux(struct v4l2_subdev *sd, int chan)
121cb7a01acSMauro Carvalho Chehab {
122cb7a01acSMauro Carvalho Chehab static const unsigned char modes[9][8] = {
123cb7a01acSMauro Carvalho Chehab /* mode 0 */
124cb7a01acSMauro Carvalho Chehab {FRESP_06H_COMPST, 0xD9, 0x17, 0x40, 0x03,
125cb7a01acSMauro Carvalho Chehab 0x44, 0x75, 0x16},
126cb7a01acSMauro Carvalho Chehab /* mode 1 */
127cb7a01acSMauro Carvalho Chehab {FRESP_06H_COMPST, 0xD8, 0x17, 0x40, 0x03,
128cb7a01acSMauro Carvalho Chehab 0x44, 0x75, 0x16},
129cb7a01acSMauro Carvalho Chehab /* mode 2 */
130cb7a01acSMauro Carvalho Chehab {FRESP_06H_COMPST, 0xBA, 0x07, 0x91, 0x03,
131cb7a01acSMauro Carvalho Chehab 0x60, 0xB5, 0x05},
132cb7a01acSMauro Carvalho Chehab /* mode 3 */
133cb7a01acSMauro Carvalho Chehab {FRESP_06H_COMPST, 0xB8, 0x07, 0x91, 0x03,
134cb7a01acSMauro Carvalho Chehab 0x60, 0xB5, 0x05},
135cb7a01acSMauro Carvalho Chehab /* mode 4 */
136cb7a01acSMauro Carvalho Chehab {FRESP_06H_COMPST, 0x7C, 0x07, 0xD2, 0x83,
137cb7a01acSMauro Carvalho Chehab 0x60, 0xB5, 0x03},
138cb7a01acSMauro Carvalho Chehab /* mode 5 */
139cb7a01acSMauro Carvalho Chehab {FRESP_06H_COMPST, 0x78, 0x07, 0xD2, 0x83,
140cb7a01acSMauro Carvalho Chehab 0x60, 0xB5, 0x03},
141cb7a01acSMauro Carvalho Chehab /* mode 6 */
142cb7a01acSMauro Carvalho Chehab {FRESP_06H_SVIDEO, 0x59, 0x17, 0x42, 0xA3,
143cb7a01acSMauro Carvalho Chehab 0x44, 0x75, 0x12},
144cb7a01acSMauro Carvalho Chehab /* mode 7 */
145cb7a01acSMauro Carvalho Chehab {FRESP_06H_SVIDEO, 0x9A, 0x17, 0xB1, 0x13,
146cb7a01acSMauro Carvalho Chehab 0x60, 0xB5, 0x14},
147cb7a01acSMauro Carvalho Chehab /* mode 8 */
148cb7a01acSMauro Carvalho Chehab {FRESP_06H_SVIDEO, 0x3C, 0x27, 0xC1, 0x23,
149cb7a01acSMauro Carvalho Chehab 0x44, 0x75, 0x21}
150cb7a01acSMauro Carvalho Chehab };
151cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
152cb7a01acSMauro Carvalho Chehab const unsigned char *ptr = modes[chan];
153cb7a01acSMauro Carvalho Chehab
154cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x06, ptr[0]); /* Luminance control */
155cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x20, ptr[1]); /* Analog Control #1 */
156cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x21, ptr[2]); /* Analog Control #2 */
157cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x22, ptr[3]); /* Mixer Control #1 */
158cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x2C, ptr[4]); /* Mixer Control #2 */
159cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x30, ptr[5]); /* ADCs gain control */
160cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x31, ptr[6]); /* Mixer Control #3 */
161cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x21, ptr[7]); /* Analog Control #2 */
162cb7a01acSMauro Carvalho Chehab decoder->input = chan;
163cb7a01acSMauro Carvalho Chehab
164cb7a01acSMauro Carvalho Chehab return 0;
165cb7a01acSMauro Carvalho Chehab }
166cb7a01acSMauro Carvalho Chehab
167cb7a01acSMauro Carvalho Chehab static const unsigned char initseq[1 + SAA7110_NR_REG] = {
168cb7a01acSMauro Carvalho Chehab 0, 0x4C, 0x3C, 0x0D, 0xEF, 0xBD, 0xF2, 0x03, 0x00,
169cb7a01acSMauro Carvalho Chehab /* 0x08 */ 0xF8, 0xF8, 0x60, 0x60, 0x00, 0x86, 0x18, 0x90,
170cb7a01acSMauro Carvalho Chehab /* 0x10 */ 0x00, 0x59, 0x40, 0x46, 0x42, 0x1A, 0xFF, 0xDA,
171cb7a01acSMauro Carvalho Chehab /* 0x18 */ 0xF2, 0x8B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172cb7a01acSMauro Carvalho Chehab /* 0x20 */ 0xD9, 0x16, 0x40, 0x41, 0x80, 0x41, 0x80, 0x4F,
173cb7a01acSMauro Carvalho Chehab /* 0x28 */ 0xFE, 0x01, 0xCF, 0x0F, 0x03, 0x01, 0x03, 0x0C,
174cb7a01acSMauro Carvalho Chehab /* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02
175cb7a01acSMauro Carvalho Chehab };
176cb7a01acSMauro Carvalho Chehab
determine_norm(struct v4l2_subdev * sd)177cb7a01acSMauro Carvalho Chehab static v4l2_std_id determine_norm(struct v4l2_subdev *sd)
178cb7a01acSMauro Carvalho Chehab {
179cb7a01acSMauro Carvalho Chehab DEFINE_WAIT(wait);
180cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
181cb7a01acSMauro Carvalho Chehab int status;
182cb7a01acSMauro Carvalho Chehab
183cb7a01acSMauro Carvalho Chehab /* mode changed, start automatic detection */
184cb7a01acSMauro Carvalho Chehab saa7110_write_block(sd, initseq, sizeof(initseq));
185cb7a01acSMauro Carvalho Chehab saa7110_selmux(sd, decoder->input);
186cb7a01acSMauro Carvalho Chehab prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
187cb7a01acSMauro Carvalho Chehab schedule_timeout(msecs_to_jiffies(250));
188cb7a01acSMauro Carvalho Chehab finish_wait(&decoder->wq, &wait);
189cb7a01acSMauro Carvalho Chehab status = saa7110_read(sd);
190cb7a01acSMauro Carvalho Chehab if (status & 0x40) {
191cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "status=0x%02x (no signal)\n", status);
192416e87a4SHans Verkuil return V4L2_STD_UNKNOWN;
193cb7a01acSMauro Carvalho Chehab }
194cb7a01acSMauro Carvalho Chehab if ((status & 3) == 0) {
195cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x06, 0x83);
196cb7a01acSMauro Carvalho Chehab if (status & 0x20) {
197cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC/no color)\n", status);
198cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd,0x2E,0x81);*/
199cb7a01acSMauro Carvalho Chehab return V4L2_STD_NTSC;
200cb7a01acSMauro Carvalho Chehab }
201cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "status=0x%02x (PAL/no color)\n", status);
202cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd,0x2E,0x9A);*/
203cb7a01acSMauro Carvalho Chehab return V4L2_STD_PAL;
204cb7a01acSMauro Carvalho Chehab }
205cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd,0x06,0x03);*/
206cb7a01acSMauro Carvalho Chehab if (status & 0x20) { /* 60Hz */
207cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC)\n", status);
208cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x86);
209cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0F, 0x50);
210cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x11, 0x2C);
211cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd,0x2E,0x81);*/
212cb7a01acSMauro Carvalho Chehab return V4L2_STD_NTSC;
213cb7a01acSMauro Carvalho Chehab }
214cb7a01acSMauro Carvalho Chehab
215cb7a01acSMauro Carvalho Chehab /* 50Hz -> PAL/SECAM */
216cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x86);
217cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0F, 0x10);
218cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x11, 0x59);
219cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd,0x2E,0x9A);*/
220cb7a01acSMauro Carvalho Chehab
221cb7a01acSMauro Carvalho Chehab prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
222cb7a01acSMauro Carvalho Chehab schedule_timeout(msecs_to_jiffies(250));
223cb7a01acSMauro Carvalho Chehab finish_wait(&decoder->wq, &wait);
224cb7a01acSMauro Carvalho Chehab
225cb7a01acSMauro Carvalho Chehab status = saa7110_read(sd);
226cb7a01acSMauro Carvalho Chehab if ((status & 0x03) == 0x01) {
227cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "status=0x%02x (SECAM)\n", status);
228cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x87);
229cb7a01acSMauro Carvalho Chehab return V4L2_STD_SECAM;
230cb7a01acSMauro Carvalho Chehab }
231cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "status=0x%02x (PAL)\n", status);
232cb7a01acSMauro Carvalho Chehab return V4L2_STD_PAL;
233cb7a01acSMauro Carvalho Chehab }
234cb7a01acSMauro Carvalho Chehab
saa7110_g_input_status(struct v4l2_subdev * sd,u32 * pstatus)235cb7a01acSMauro Carvalho Chehab static int saa7110_g_input_status(struct v4l2_subdev *sd, u32 *pstatus)
236cb7a01acSMauro Carvalho Chehab {
237cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
238cb7a01acSMauro Carvalho Chehab int res = V4L2_IN_ST_NO_SIGNAL;
239cb7a01acSMauro Carvalho Chehab int status = saa7110_read(sd);
240cb7a01acSMauro Carvalho Chehab
241cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "status=0x%02x norm=%llx\n",
242cb7a01acSMauro Carvalho Chehab status, (unsigned long long)decoder->norm);
243cb7a01acSMauro Carvalho Chehab if (!(status & 0x40))
244cb7a01acSMauro Carvalho Chehab res = 0;
245cb7a01acSMauro Carvalho Chehab if (!(status & 0x03))
246cb7a01acSMauro Carvalho Chehab res |= V4L2_IN_ST_NO_COLOR;
247cb7a01acSMauro Carvalho Chehab
248cb7a01acSMauro Carvalho Chehab *pstatus = res;
249cb7a01acSMauro Carvalho Chehab return 0;
250cb7a01acSMauro Carvalho Chehab }
251cb7a01acSMauro Carvalho Chehab
saa7110_querystd(struct v4l2_subdev * sd,v4l2_std_id * std)252cb7a01acSMauro Carvalho Chehab static int saa7110_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
253cb7a01acSMauro Carvalho Chehab {
254416e87a4SHans Verkuil *std &= determine_norm(sd);
255cb7a01acSMauro Carvalho Chehab return 0;
256cb7a01acSMauro Carvalho Chehab }
257cb7a01acSMauro Carvalho Chehab
saa7110_s_std(struct v4l2_subdev * sd,v4l2_std_id std)258cb7a01acSMauro Carvalho Chehab static int saa7110_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
259cb7a01acSMauro Carvalho Chehab {
260cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
261cb7a01acSMauro Carvalho Chehab
262cb7a01acSMauro Carvalho Chehab if (decoder->norm != std) {
263cb7a01acSMauro Carvalho Chehab decoder->norm = std;
264cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd, 0x06, 0x03);*/
265cb7a01acSMauro Carvalho Chehab if (std & V4L2_STD_NTSC) {
266cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x86);
267cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0F, 0x50);
268cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x11, 0x2C);
269cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd, 0x2E, 0x81);*/
270cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to NTSC\n");
271cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL) {
272cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x86);
273cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0F, 0x10);
274cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x11, 0x59);
275cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd, 0x2E, 0x9A);*/
276cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to PAL\n");
277cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_SECAM) {
278cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x87);
279cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0F, 0x10);
280cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x11, 0x59);
281cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd, 0x2E, 0x9A);*/
282cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to SECAM\n");
283cb7a01acSMauro Carvalho Chehab } else {
284cb7a01acSMauro Carvalho Chehab return -EINVAL;
285cb7a01acSMauro Carvalho Chehab }
286cb7a01acSMauro Carvalho Chehab }
287cb7a01acSMauro Carvalho Chehab return 0;
288cb7a01acSMauro Carvalho Chehab }
289cb7a01acSMauro Carvalho Chehab
saa7110_s_routing(struct v4l2_subdev * sd,u32 input,u32 output,u32 config)290cb7a01acSMauro Carvalho Chehab static int saa7110_s_routing(struct v4l2_subdev *sd,
291cb7a01acSMauro Carvalho Chehab u32 input, u32 output, u32 config)
292cb7a01acSMauro Carvalho Chehab {
293cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
294cb7a01acSMauro Carvalho Chehab
295cb7a01acSMauro Carvalho Chehab if (input >= SAA7110_MAX_INPUT) {
296cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "input=%d not available\n", input);
297cb7a01acSMauro Carvalho Chehab return -EINVAL;
298cb7a01acSMauro Carvalho Chehab }
299cb7a01acSMauro Carvalho Chehab if (decoder->input != input) {
300cb7a01acSMauro Carvalho Chehab saa7110_selmux(sd, input);
301cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to input=%d\n", input);
302cb7a01acSMauro Carvalho Chehab }
303cb7a01acSMauro Carvalho Chehab return 0;
304cb7a01acSMauro Carvalho Chehab }
305cb7a01acSMauro Carvalho Chehab
saa7110_s_stream(struct v4l2_subdev * sd,int enable)306cb7a01acSMauro Carvalho Chehab static int saa7110_s_stream(struct v4l2_subdev *sd, int enable)
307cb7a01acSMauro Carvalho Chehab {
308cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
309cb7a01acSMauro Carvalho Chehab
310cb7a01acSMauro Carvalho Chehab if (decoder->enable != enable) {
311cb7a01acSMauro Carvalho Chehab decoder->enable = enable;
312cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0E, enable ? 0x18 : 0x80);
313cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "YUV %s\n", enable ? "on" : "off");
314cb7a01acSMauro Carvalho Chehab }
315cb7a01acSMauro Carvalho Chehab return 0;
316cb7a01acSMauro Carvalho Chehab }
317cb7a01acSMauro Carvalho Chehab
saa7110_s_ctrl(struct v4l2_ctrl * ctrl)318cb7a01acSMauro Carvalho Chehab static int saa7110_s_ctrl(struct v4l2_ctrl *ctrl)
319cb7a01acSMauro Carvalho Chehab {
320cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd = to_sd(ctrl);
321cb7a01acSMauro Carvalho Chehab
322cb7a01acSMauro Carvalho Chehab switch (ctrl->id) {
323cb7a01acSMauro Carvalho Chehab case V4L2_CID_BRIGHTNESS:
324cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x19, ctrl->val);
325cb7a01acSMauro Carvalho Chehab break;
326cb7a01acSMauro Carvalho Chehab case V4L2_CID_CONTRAST:
327cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x13, ctrl->val);
328cb7a01acSMauro Carvalho Chehab break;
329cb7a01acSMauro Carvalho Chehab case V4L2_CID_SATURATION:
330cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x12, ctrl->val);
331cb7a01acSMauro Carvalho Chehab break;
332cb7a01acSMauro Carvalho Chehab case V4L2_CID_HUE:
333cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x07, ctrl->val);
334cb7a01acSMauro Carvalho Chehab break;
335cb7a01acSMauro Carvalho Chehab default:
336cb7a01acSMauro Carvalho Chehab return -EINVAL;
337cb7a01acSMauro Carvalho Chehab }
338cb7a01acSMauro Carvalho Chehab return 0;
339cb7a01acSMauro Carvalho Chehab }
340cb7a01acSMauro Carvalho Chehab
341cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
342cb7a01acSMauro Carvalho Chehab
343cb7a01acSMauro Carvalho Chehab static const struct v4l2_ctrl_ops saa7110_ctrl_ops = {
344cb7a01acSMauro Carvalho Chehab .s_ctrl = saa7110_s_ctrl,
345cb7a01acSMauro Carvalho Chehab };
346cb7a01acSMauro Carvalho Chehab
347cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops saa7110_video_ops = {
3488774bed9SLaurent Pinchart .s_std = saa7110_s_std,
349cb7a01acSMauro Carvalho Chehab .s_routing = saa7110_s_routing,
350cb7a01acSMauro Carvalho Chehab .s_stream = saa7110_s_stream,
351cb7a01acSMauro Carvalho Chehab .querystd = saa7110_querystd,
352cb7a01acSMauro Carvalho Chehab .g_input_status = saa7110_g_input_status,
353cb7a01acSMauro Carvalho Chehab };
354cb7a01acSMauro Carvalho Chehab
355cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_ops saa7110_ops = {
356cb7a01acSMauro Carvalho Chehab .video = &saa7110_video_ops,
357cb7a01acSMauro Carvalho Chehab };
358cb7a01acSMauro Carvalho Chehab
359cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
360cb7a01acSMauro Carvalho Chehab
saa7110_probe(struct i2c_client * client)3613f92c3e9SUwe Kleine-König static int saa7110_probe(struct i2c_client *client)
362cb7a01acSMauro Carvalho Chehab {
363cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder;
364cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd;
365cb7a01acSMauro Carvalho Chehab int rv;
366cb7a01acSMauro Carvalho Chehab
367cb7a01acSMauro Carvalho Chehab /* Check if the adapter supports the needed features */
368cb7a01acSMauro Carvalho Chehab if (!i2c_check_functionality(client->adapter,
369cb7a01acSMauro Carvalho Chehab I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
370cb7a01acSMauro Carvalho Chehab return -ENODEV;
371cb7a01acSMauro Carvalho Chehab
372cb7a01acSMauro Carvalho Chehab v4l_info(client, "chip found @ 0x%x (%s)\n",
373cb7a01acSMauro Carvalho Chehab client->addr << 1, client->adapter->name);
374cb7a01acSMauro Carvalho Chehab
375c02b211dSLaurent Pinchart decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
376cb7a01acSMauro Carvalho Chehab if (!decoder)
377cb7a01acSMauro Carvalho Chehab return -ENOMEM;
378cb7a01acSMauro Carvalho Chehab sd = &decoder->sd;
379cb7a01acSMauro Carvalho Chehab v4l2_i2c_subdev_init(sd, client, &saa7110_ops);
380cb7a01acSMauro Carvalho Chehab decoder->norm = V4L2_STD_PAL;
381cb7a01acSMauro Carvalho Chehab decoder->input = 0;
382cb7a01acSMauro Carvalho Chehab decoder->enable = 1;
383cb7a01acSMauro Carvalho Chehab v4l2_ctrl_handler_init(&decoder->hdl, 2);
384cb7a01acSMauro Carvalho Chehab v4l2_ctrl_new_std(&decoder->hdl, &saa7110_ctrl_ops,
385cb7a01acSMauro Carvalho Chehab V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
386cb7a01acSMauro Carvalho Chehab v4l2_ctrl_new_std(&decoder->hdl, &saa7110_ctrl_ops,
387cb7a01acSMauro Carvalho Chehab V4L2_CID_CONTRAST, 0, 127, 1, 64);
388cb7a01acSMauro Carvalho Chehab v4l2_ctrl_new_std(&decoder->hdl, &saa7110_ctrl_ops,
389cb7a01acSMauro Carvalho Chehab V4L2_CID_SATURATION, 0, 127, 1, 64);
390cb7a01acSMauro Carvalho Chehab v4l2_ctrl_new_std(&decoder->hdl, &saa7110_ctrl_ops,
391cb7a01acSMauro Carvalho Chehab V4L2_CID_HUE, -128, 127, 1, 0);
392cb7a01acSMauro Carvalho Chehab sd->ctrl_handler = &decoder->hdl;
393cb7a01acSMauro Carvalho Chehab if (decoder->hdl.error) {
394cb7a01acSMauro Carvalho Chehab int err = decoder->hdl.error;
395cb7a01acSMauro Carvalho Chehab
396cb7a01acSMauro Carvalho Chehab v4l2_ctrl_handler_free(&decoder->hdl);
397cb7a01acSMauro Carvalho Chehab return err;
398cb7a01acSMauro Carvalho Chehab }
399cb7a01acSMauro Carvalho Chehab v4l2_ctrl_handler_setup(&decoder->hdl);
400cb7a01acSMauro Carvalho Chehab
401cb7a01acSMauro Carvalho Chehab init_waitqueue_head(&decoder->wq);
402cb7a01acSMauro Carvalho Chehab
403cb7a01acSMauro Carvalho Chehab rv = saa7110_write_block(sd, initseq, sizeof(initseq));
404cb7a01acSMauro Carvalho Chehab if (rv < 0) {
405cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "init status %d\n", rv);
406cb7a01acSMauro Carvalho Chehab } else {
407cb7a01acSMauro Carvalho Chehab int ver, status;
408cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x21, 0x10);
409cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0e, 0x18);
410cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x04);
411cb7a01acSMauro Carvalho Chehab ver = saa7110_read(sd);
412cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x06);
413cb7a01acSMauro Carvalho Chehab /*mdelay(150);*/
414cb7a01acSMauro Carvalho Chehab status = saa7110_read(sd);
415cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "version %x, status=0x%02x\n",
416cb7a01acSMauro Carvalho Chehab ver, status);
417cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0D, 0x86);
418cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x0F, 0x10);
419cb7a01acSMauro Carvalho Chehab saa7110_write(sd, 0x11, 0x59);
420cb7a01acSMauro Carvalho Chehab /*saa7110_write(sd, 0x2E, 0x9A);*/
421cb7a01acSMauro Carvalho Chehab }
422cb7a01acSMauro Carvalho Chehab
423cb7a01acSMauro Carvalho Chehab /*saa7110_selmux(sd,0);*/
424cb7a01acSMauro Carvalho Chehab /*determine_norm(sd);*/
425cb7a01acSMauro Carvalho Chehab /* setup and implicit mode 0 select has been performed */
426cb7a01acSMauro Carvalho Chehab
427cb7a01acSMauro Carvalho Chehab return 0;
428cb7a01acSMauro Carvalho Chehab }
429cb7a01acSMauro Carvalho Chehab
saa7110_remove(struct i2c_client * client)430ed5c2f5fSUwe Kleine-König static void saa7110_remove(struct i2c_client *client)
431cb7a01acSMauro Carvalho Chehab {
432cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client);
433cb7a01acSMauro Carvalho Chehab struct saa7110 *decoder = to_saa7110(sd);
434cb7a01acSMauro Carvalho Chehab
435cb7a01acSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd);
436cb7a01acSMauro Carvalho Chehab v4l2_ctrl_handler_free(&decoder->hdl);
437cb7a01acSMauro Carvalho Chehab }
438cb7a01acSMauro Carvalho Chehab
439cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
440cb7a01acSMauro Carvalho Chehab
441cb7a01acSMauro Carvalho Chehab static const struct i2c_device_id saa7110_id[] = {
442cb7a01acSMauro Carvalho Chehab { "saa7110", 0 },
443cb7a01acSMauro Carvalho Chehab { }
444cb7a01acSMauro Carvalho Chehab };
445cb7a01acSMauro Carvalho Chehab MODULE_DEVICE_TABLE(i2c, saa7110_id);
446cb7a01acSMauro Carvalho Chehab
447cb7a01acSMauro Carvalho Chehab static struct i2c_driver saa7110_driver = {
448cb7a01acSMauro Carvalho Chehab .driver = {
449cb7a01acSMauro Carvalho Chehab .name = "saa7110",
450cb7a01acSMauro Carvalho Chehab },
451*aaeb31c0SUwe Kleine-König .probe = saa7110_probe,
452cb7a01acSMauro Carvalho Chehab .remove = saa7110_remove,
453cb7a01acSMauro Carvalho Chehab .id_table = saa7110_id,
454cb7a01acSMauro Carvalho Chehab };
455cb7a01acSMauro Carvalho Chehab
456cb7a01acSMauro Carvalho Chehab module_i2c_driver(saa7110_driver);
457