#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/wait.h>
-#include <asm/io.h>
#include <asm/uaccess.h>
+#include <linux/i2c.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
MODULE_DESCRIPTION("Philips SAA7110 video decoder driver");
MODULE_AUTHOR("Pauline Middelink");
MODULE_LICENSE("GPL");
-#include <linux/i2c.h>
-#include <linux/i2c-dev.h>
-
-#define I2C_NAME(s) (s)->name
-
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
-static int debug = 0;
+static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-#define dprintk(num, format, args...) \
- do { \
- if (debug >= num) \
- printk(format, ##args); \
- } while (0)
-
#define SAA7110_MAX_INPUT 9 /* 6 CVBS, 3 SVHS */
-#define SAA7110_MAX_OUTPUT 0 /* its a decoder only */
-
-#define I2C_SAA7110 0x9C /* or 0x9E */
+#define SAA7110_MAX_OUTPUT 1 /* 1 YUV */
#define SAA7110_NR_REG 0x35
struct saa7110 {
+ struct v4l2_subdev sd;
u8 reg[SAA7110_NR_REG];
- int norm;
+ v4l2_std_id norm;
int input;
int enable;
int bright;
wait_queue_head_t wq;
};
+static inline struct saa7110 *to_saa7110(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct saa7110, sd);
+}
+
/* ----------------------------------------------------------------------- */
/* I2C support functions */
/* ----------------------------------------------------------------------- */
-static int
-saa7110_write (struct i2c_client *client,
- u8 reg,
- u8 value)
+static int saa7110_write(struct v4l2_subdev *sd, u8 reg, u8 value)
{
- struct saa7110 *decoder = i2c_get_clientdata(client);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct saa7110 *decoder = to_saa7110(sd);
decoder->reg[reg] = value;
return i2c_smbus_write_byte_data(client, reg, value);
}
-static int
-saa7110_write_block (struct i2c_client *client,
- const u8 *data,
- unsigned int len)
+static int saa7110_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct saa7110 *decoder = to_saa7110(sd);
int ret = -1;
u8 reg = *data; /* first register to write to */
/* the saa7110 has an autoincrement function, use it if
* the adapter understands raw I2C */
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- struct saa7110 *decoder = i2c_get_clientdata(client);
- struct i2c_msg msg;
-
- msg.len = len;
- msg.buf = (char *) data;
- msg.addr = client->addr;
- msg.flags = 0;
- ret = i2c_transfer(client->adapter, &msg, 1);
+ ret = i2c_master_send(client, data, len);
/* Cache the written data */
memcpy(decoder->reg + reg, data + 1, len - 1);
} else {
for (++data, --len; len; len--) {
- if ((ret = saa7110_write(client, reg++,
- *data++)) < 0)
+ ret = saa7110_write(sd, reg++, *data++);
+ if (ret < 0)
break;
}
}
return ret;
}
-static inline int
-saa7110_read (struct i2c_client *client)
+static inline int saa7110_read(struct v4l2_subdev *sd)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
return i2c_smbus_read_byte(client);
}
/* SAA7110 functions */
/* ----------------------------------------------------------------------- */
-#define FRESP_06H_COMPST 0x03 //0x13
-#define FRESP_06H_SVIDEO 0x83 //0xC0
+#define FRESP_06H_COMPST 0x03 /*0x13*/
+#define FRESP_06H_SVIDEO 0x83 /*0xC0*/
-static int
-saa7110_selmux (struct i2c_client *client,
- int chan)
+static int saa7110_selmux(struct v4l2_subdev *sd, int chan)
{
static const unsigned char modes[9][8] = {
/* mode 0 */
{FRESP_06H_SVIDEO, 0x3C, 0x27, 0xC1, 0x23,
0x44, 0x75, 0x21}
};
- struct saa7110 *decoder = i2c_get_clientdata(client);
+ struct saa7110 *decoder = to_saa7110(sd);
const unsigned char *ptr = modes[chan];
- saa7110_write(client, 0x06, ptr[0]); /* Luminance control */
- saa7110_write(client, 0x20, ptr[1]); /* Analog Control #1 */
- saa7110_write(client, 0x21, ptr[2]); /* Analog Control #2 */
- saa7110_write(client, 0x22, ptr[3]); /* Mixer Control #1 */
- saa7110_write(client, 0x2C, ptr[4]); /* Mixer Control #2 */
- saa7110_write(client, 0x30, ptr[5]); /* ADCs gain control */
- saa7110_write(client, 0x31, ptr[6]); /* Mixer Control #3 */
- saa7110_write(client, 0x21, ptr[7]); /* Analog Control #2 */
+ saa7110_write(sd, 0x06, ptr[0]); /* Luminance control */
+ saa7110_write(sd, 0x20, ptr[1]); /* Analog Control #1 */
+ saa7110_write(sd, 0x21, ptr[2]); /* Analog Control #2 */
+ saa7110_write(sd, 0x22, ptr[3]); /* Mixer Control #1 */
+ saa7110_write(sd, 0x2C, ptr[4]); /* Mixer Control #2 */
+ saa7110_write(sd, 0x30, ptr[5]); /* ADCs gain control */
+ saa7110_write(sd, 0x31, ptr[6]); /* Mixer Control #3 */
+ saa7110_write(sd, 0x21, ptr[7]); /* Analog Control #2 */
decoder->input = chan;
return 0;
/* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02
};
-static int
-determine_norm (struct i2c_client *client)
+static v4l2_std_id determine_norm(struct v4l2_subdev *sd)
{
DEFINE_WAIT(wait);
- struct saa7110 *decoder = i2c_get_clientdata(client);
+ struct saa7110 *decoder = to_saa7110(sd);
int status;
/* mode changed, start automatic detection */
- saa7110_write_block(client, initseq, sizeof(initseq));
- saa7110_selmux(client, decoder->input);
+ saa7110_write_block(sd, initseq, sizeof(initseq));
+ saa7110_selmux(sd, decoder->input);
prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
- schedule_timeout(HZ/4);
+ schedule_timeout(msecs_to_jiffies(250));
finish_wait(&decoder->wq, &wait);
- status = saa7110_read(client);
+ status = saa7110_read(sd);
if (status & 0x40) {
- dprintk(1, KERN_INFO "%s: status=0x%02x (no signal)\n",
- I2C_NAME(client), status);
- return decoder->norm; // no change
+ v4l2_dbg(1, debug, sd, "status=0x%02x (no signal)\n", status);
+ return decoder->norm; /* no change*/
}
if ((status & 3) == 0) {
- saa7110_write(client, 0x06, 0x83);
+ saa7110_write(sd, 0x06, 0x83);
if (status & 0x20) {
- dprintk(1,
- KERN_INFO
- "%s: status=0x%02x (NTSC/no color)\n",
- I2C_NAME(client), status);
- //saa7110_write(client,0x2E,0x81);
- return VIDEO_MODE_NTSC;
+ v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC/no color)\n", status);
+ /*saa7110_write(sd,0x2E,0x81);*/
+ return V4L2_STD_NTSC;
}
- dprintk(1, KERN_INFO "%s: status=0x%02x (PAL/no color)\n",
- I2C_NAME(client), status);
- //saa7110_write(client,0x2E,0x9A);
- return VIDEO_MODE_PAL;
+ v4l2_dbg(1, debug, sd, "status=0x%02x (PAL/no color)\n", status);
+ /*saa7110_write(sd,0x2E,0x9A);*/
+ return V4L2_STD_PAL;
}
- //saa7110_write(client,0x06,0x03);
+ /*saa7110_write(sd,0x06,0x03);*/
if (status & 0x20) { /* 60Hz */
- dprintk(1, KERN_INFO "%s: status=0x%02x (NTSC)\n",
- I2C_NAME(client), status);
- saa7110_write(client, 0x0D, 0x86);
- saa7110_write(client, 0x0F, 0x50);
- saa7110_write(client, 0x11, 0x2C);
- //saa7110_write(client,0x2E,0x81);
- return VIDEO_MODE_NTSC;
+ v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC)\n", status);
+ saa7110_write(sd, 0x0D, 0x86);
+ saa7110_write(sd, 0x0F, 0x50);
+ saa7110_write(sd, 0x11, 0x2C);
+ /*saa7110_write(sd,0x2E,0x81);*/
+ return V4L2_STD_NTSC;
}
/* 50Hz -> PAL/SECAM */
- saa7110_write(client, 0x0D, 0x86);
- saa7110_write(client, 0x0F, 0x10);
- saa7110_write(client, 0x11, 0x59);
- //saa7110_write(client,0x2E,0x9A);
+ saa7110_write(sd, 0x0D, 0x86);
+ saa7110_write(sd, 0x0F, 0x10);
+ saa7110_write(sd, 0x11, 0x59);
+ /*saa7110_write(sd,0x2E,0x9A);*/
prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
- schedule_timeout(HZ/4);
+ schedule_timeout(msecs_to_jiffies(250));
finish_wait(&decoder->wq, &wait);
- status = saa7110_read(client);
+ status = saa7110_read(sd);
if ((status & 0x03) == 0x01) {
- dprintk(1, KERN_INFO "%s: status=0x%02x (SECAM)\n",
- I2C_NAME(client), status);
- saa7110_write(client, 0x0D, 0x87);
- return VIDEO_MODE_SECAM;
+ v4l2_dbg(1, debug, sd, "status=0x%02x (SECAM)\n", status);
+ saa7110_write(sd, 0x0D, 0x87);
+ return V4L2_STD_SECAM;
}
- dprintk(1, KERN_INFO "%s: status=0x%02x (PAL)\n", I2C_NAME(client),
- status);
- return VIDEO_MODE_PAL;
+ v4l2_dbg(1, debug, sd, "status=0x%02x (PAL)\n", status);
+ return V4L2_STD_PAL;
+}
+
+static int saa7110_g_input_status(struct v4l2_subdev *sd, u32 *pstatus)
+{
+ struct saa7110 *decoder = to_saa7110(sd);
+ int res = V4L2_IN_ST_NO_SIGNAL;
+ int status = saa7110_read(sd);
+
+ v4l2_dbg(1, debug, sd, "status=0x%02x norm=%llx\n",
+ status, (unsigned long long)decoder->norm);
+ if (!(status & 0x40))
+ res = 0;
+ if (!(status & 0x03))
+ res |= V4L2_IN_ST_NO_COLOR;
+
+ *pstatus = res;
+ return 0;
}
-static int
-saa7110_command (struct i2c_client *client,
- unsigned int cmd,
- void *arg)
+static int saa7110_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
{
- struct saa7110 *decoder = i2c_get_clientdata(client);
- int v;
+ *(v4l2_std_id *)std = determine_norm(sd);
+ return 0;
+}
- switch (cmd) {
- case 0:
- //saa7110_write_block(client, initseq, sizeof(initseq));
- break;
+static int saa7110_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct saa7110 *decoder = to_saa7110(sd);
+
+ if (decoder->norm != std) {
+ decoder->norm = std;
+ /*saa7110_write(sd, 0x06, 0x03);*/
+ if (std & V4L2_STD_NTSC) {
+ saa7110_write(sd, 0x0D, 0x86);
+ saa7110_write(sd, 0x0F, 0x50);
+ saa7110_write(sd, 0x11, 0x2C);
+ /*saa7110_write(sd, 0x2E, 0x81);*/
+ v4l2_dbg(1, debug, sd, "switched to NTSC\n");
+ } else if (std & V4L2_STD_PAL) {
+ saa7110_write(sd, 0x0D, 0x86);
+ saa7110_write(sd, 0x0F, 0x10);
+ saa7110_write(sd, 0x11, 0x59);
+ /*saa7110_write(sd, 0x2E, 0x9A);*/
+ v4l2_dbg(1, debug, sd, "switched to PAL\n");
+ } else if (std & V4L2_STD_SECAM) {
+ saa7110_write(sd, 0x0D, 0x87);
+ saa7110_write(sd, 0x0F, 0x10);
+ saa7110_write(sd, 0x11, 0x59);
+ /*saa7110_write(sd, 0x2E, 0x9A);*/
+ v4l2_dbg(1, debug, sd, "switched to SECAM\n");
+ } else {
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *dc = arg;
+static int saa7110_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct saa7110 *decoder = to_saa7110(sd);
- dc->flags =
- VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC |
- VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO;
- dc->inputs = SAA7110_MAX_INPUT;
- dc->outputs = SAA7110_MAX_OUTPUT;
+ if (input >= SAA7110_MAX_INPUT) {
+ v4l2_dbg(1, debug, sd, "input=%d not available\n", input);
+ return -EINVAL;
}
- break;
+ if (decoder->input != input) {
+ saa7110_selmux(sd, input);
+ v4l2_dbg(1, debug, sd, "switched to input=%d\n", input);
+ }
+ return 0;
+}
- case DECODER_GET_STATUS:
- {
- int status;
- int res = 0;
-
- status = saa7110_read(client);
- dprintk(1, KERN_INFO "%s: status=0x%02x norm=%d\n",
- I2C_NAME(client), status, decoder->norm);
- if (!(status & 0x40))
- res |= DECODER_STATUS_GOOD;
- if (status & 0x03)
- res |= DECODER_STATUS_COLOR;
-
- switch (decoder->norm) {
- case VIDEO_MODE_NTSC:
- res |= DECODER_STATUS_NTSC;
- break;
- case VIDEO_MODE_PAL:
- res |= DECODER_STATUS_PAL;
- break;
- case VIDEO_MODE_SECAM:
- res |= DECODER_STATUS_SECAM;
- break;
- }
- *(int *) arg = res;
+static int saa7110_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct saa7110 *decoder = to_saa7110(sd);
+
+ if (decoder->enable != enable) {
+ decoder->enable = enable;
+ saa7110_write(sd, 0x0E, enable ? 0x18 : 0x80);
+ v4l2_dbg(1, debug, sd, "YUV %s\n", enable ? "on" : "off");
}
- break;
+ return 0;
+}
- case DECODER_SET_NORM:
- v = *(int *) arg;
- if (decoder->norm != v) {
- decoder->norm = v;
- //saa7110_write(client, 0x06, 0x03);
- switch (v) {
- case VIDEO_MODE_NTSC:
- saa7110_write(client, 0x0D, 0x86);
- saa7110_write(client, 0x0F, 0x50);
- saa7110_write(client, 0x11, 0x2C);
- //saa7110_write(client, 0x2E, 0x81);
- dprintk(1,
- KERN_INFO "%s: switched to NTSC\n",
- I2C_NAME(client));
- break;
- case VIDEO_MODE_PAL:
- saa7110_write(client, 0x0D, 0x86);
- saa7110_write(client, 0x0F, 0x10);
- saa7110_write(client, 0x11, 0x59);
- //saa7110_write(client, 0x2E, 0x9A);
- dprintk(1,
- KERN_INFO "%s: switched to PAL\n",
- I2C_NAME(client));
- break;
- case VIDEO_MODE_SECAM:
- saa7110_write(client, 0x0D, 0x87);
- saa7110_write(client, 0x0F, 0x10);
- saa7110_write(client, 0x11, 0x59);
- //saa7110_write(client, 0x2E, 0x9A);
- dprintk(1,
- KERN_INFO
- "%s: switched to SECAM\n",
- I2C_NAME(client));
- break;
- case VIDEO_MODE_AUTO:
- dprintk(1,
- KERN_INFO
- "%s: TV standard detection...\n",
- I2C_NAME(client));
- decoder->norm = determine_norm(client);
- *(int *) arg = decoder->norm;
- break;
- default:
- return -EPERM;
- }
- }
- break;
+static int saa7110_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+ switch (qc->id) {
+ case V4L2_CID_BRIGHTNESS:
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
+ case V4L2_CID_CONTRAST:
+ case V4L2_CID_SATURATION:
+ return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
+ case V4L2_CID_HUE:
+ return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
- case DECODER_SET_INPUT:
- v = *(int *) arg;
- if (v < 0 || v > SAA7110_MAX_INPUT) {
- dprintk(1,
- KERN_INFO "%s: input=%d not available\n",
- I2C_NAME(client), v);
- return -EINVAL;
- }
- if (decoder->input != v) {
- saa7110_selmux(client, v);
- dprintk(1, KERN_INFO "%s: switched to input=%d\n",
- I2C_NAME(client), v);
- }
- break;
+static int saa7110_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct saa7110 *decoder = to_saa7110(sd);
- case DECODER_SET_OUTPUT:
- v = *(int *) arg;
- /* not much choice of outputs */
- if (v != 0)
- return -EINVAL;
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ ctrl->value = decoder->bright;
break;
-
- case DECODER_ENABLE_OUTPUT:
- v = *(int *) arg;
- if (decoder->enable != v) {
- decoder->enable = v;
- saa7110_write(client, 0x0E, v ? 0x18 : 0x80);
- dprintk(1, KERN_INFO "%s: YUV %s\n", I2C_NAME(client),
- v ? "on" : "off");
- }
+ case V4L2_CID_CONTRAST:
+ ctrl->value = decoder->contrast;
break;
+ case V4L2_CID_SATURATION:
+ ctrl->value = decoder->sat;
+ break;
+ case V4L2_CID_HUE:
+ ctrl->value = decoder->hue;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
- case DECODER_SET_PICTURE:
- {
- struct video_picture *pic = arg;
+static int saa7110_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct saa7110 *decoder = to_saa7110(sd);
- if (decoder->bright != pic->brightness) {
- /* We want 0 to 255 we get 0-65535 */
- decoder->bright = pic->brightness;
- saa7110_write(client, 0x19, decoder->bright >> 8);
- }
- if (decoder->contrast != pic->contrast) {
- /* We want 0 to 127 we get 0-65535 */
- decoder->contrast = pic->contrast;
- saa7110_write(client, 0x13,
- decoder->contrast >> 9);
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ if (decoder->bright != ctrl->value) {
+ decoder->bright = ctrl->value;
+ saa7110_write(sd, 0x19, decoder->bright);
}
- if (decoder->sat != pic->colour) {
- /* We want 0 to 127 we get 0-65535 */
- decoder->sat = pic->colour;
- saa7110_write(client, 0x12, decoder->sat >> 9);
+ break;
+ case V4L2_CID_CONTRAST:
+ if (decoder->contrast != ctrl->value) {
+ decoder->contrast = ctrl->value;
+ saa7110_write(sd, 0x13, decoder->contrast);
}
- if (decoder->hue != pic->hue) {
- /* We want -128 to 127 we get 0-65535 */
- decoder->hue = pic->hue;
- saa7110_write(client, 0x07,
- (decoder->hue >> 8) - 128);
+ break;
+ case V4L2_CID_SATURATION:
+ if (decoder->sat != ctrl->value) {
+ decoder->sat = ctrl->value;
+ saa7110_write(sd, 0x12, decoder->sat);
}
- }
break;
-
- case DECODER_DUMP:
- for (v = 0; v < 0x34; v += 16) {
- int j;
- dprintk(1, KERN_INFO "%s: %03x\n", I2C_NAME(client),
- v);
- for (j = 0; j < 16; j++) {
- dprintk(1, KERN_INFO " %02x",
- decoder->reg[v + j]);
- }
- dprintk(1, KERN_INFO "\n");
+ case V4L2_CID_HUE:
+ if (decoder->hue != ctrl->value) {
+ decoder->hue = ctrl->value;
+ saa7110_write(sd, 0x07, decoder->hue);
}
break;
-
default:
- dprintk(1, KERN_INFO "unknown saa7110_command??(%d)\n",
- cmd);
return -EINVAL;
}
return 0;
}
+static int saa7110_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SAA7110, 0);
+}
+
/* ----------------------------------------------------------------------- */
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = {
- I2C_SAA7110 >> 1,
- (I2C_SAA7110 >> 1) + 1,
- I2C_CLIENT_END
+static const struct v4l2_subdev_core_ops saa7110_core_ops = {
+ .g_chip_ident = saa7110_g_chip_ident,
+ .g_ctrl = saa7110_g_ctrl,
+ .s_ctrl = saa7110_s_ctrl,
+ .queryctrl = saa7110_queryctrl,
+ .s_std = saa7110_s_std,
};
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_i2c,
- .probe = &ignore,
- .ignore = &ignore,
- .force = &ignore,
+static const struct v4l2_subdev_video_ops saa7110_video_ops = {
+ .s_routing = saa7110_s_routing,
+ .s_stream = saa7110_s_stream,
+ .querystd = saa7110_querystd,
+ .g_input_status = saa7110_g_input_status,
};
-static struct i2c_driver i2c_driver_saa7110;
+static const struct v4l2_subdev_ops saa7110_ops = {
+ .core = &saa7110_core_ops,
+ .video = &saa7110_video_ops,
+};
-static int
-saa7110_detect_client (struct i2c_adapter *adapter,
- int address,
- int kind)
+/* ----------------------------------------------------------------------- */
+
+static int saa7110_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- struct i2c_client *client;
struct saa7110 *decoder;
+ struct v4l2_subdev *sd;
int rv;
- dprintk(1,
- KERN_INFO
- "saa7110.c: detecting saa7110 client on address 0x%x\n",
- address << 1);
-
/* Check if the adapter supports the needed features */
- if (!i2c_check_functionality
- (adapter,
- I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
- return 0;
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
+ return -ENODEV;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == 0)
- return -ENOMEM;
- memset(client, 0, sizeof(struct i2c_client));
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_saa7110;
- client->flags = I2C_CLIENT_ALLOW_USE;
- strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client)));
-
- decoder = kmalloc(sizeof(struct saa7110), GFP_KERNEL);
- if (decoder == 0) {
- kfree(client);
+ v4l_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+
+ decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL);
+ if (!decoder)
return -ENOMEM;
- }
- memset(decoder, 0, sizeof(struct saa7110));
- decoder->norm = VIDEO_MODE_PAL;
+ sd = &decoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &saa7110_ops);
+ decoder->norm = V4L2_STD_PAL;
decoder->input = 0;
decoder->enable = 1;
decoder->bright = 32768;
decoder->hue = 32768;
decoder->sat = 32768;
init_waitqueue_head(&decoder->wq);
- i2c_set_clientdata(client, decoder);
-
- rv = i2c_attach_client(client);
- if (rv) {
- kfree(client);
- kfree(decoder);
- return rv;
- }
- rv = saa7110_write_block(client, initseq, sizeof(initseq));
- if (rv < 0)
- dprintk(1, KERN_ERR "%s_attach: init status %d\n",
- I2C_NAME(client), rv);
- else {
+ rv = saa7110_write_block(sd, initseq, sizeof(initseq));
+ if (rv < 0) {
+ v4l2_dbg(1, debug, sd, "init status %d\n", rv);
+ } else {
int ver, status;
- saa7110_write(client, 0x21, 0x10);
- saa7110_write(client, 0x0e, 0x18);
- saa7110_write(client, 0x0D, 0x04);
- ver = saa7110_read(client);
- saa7110_write(client, 0x0D, 0x06);
- //mdelay(150);
- status = saa7110_read(client);
- dprintk(1,
- KERN_INFO
- "%s_attach: SAA7110A version %x at 0x%02x, status=0x%02x\n",
- I2C_NAME(client), ver, client->addr << 1, status);
- saa7110_write(client, 0x0D, 0x86);
- saa7110_write(client, 0x0F, 0x10);
- saa7110_write(client, 0x11, 0x59);
- //saa7110_write(client, 0x2E, 0x9A);
+ saa7110_write(sd, 0x21, 0x10);
+ saa7110_write(sd, 0x0e, 0x18);
+ saa7110_write(sd, 0x0D, 0x04);
+ ver = saa7110_read(sd);
+ saa7110_write(sd, 0x0D, 0x06);
+ /*mdelay(150);*/
+ status = saa7110_read(sd);
+ v4l2_dbg(1, debug, sd, "version %x, status=0x%02x\n",
+ ver, status);
+ saa7110_write(sd, 0x0D, 0x86);
+ saa7110_write(sd, 0x0F, 0x10);
+ saa7110_write(sd, 0x11, 0x59);
+ /*saa7110_write(sd, 0x2E, 0x9A);*/
}
- //saa7110_selmux(client,0);
- //determine_norm(client);
+ /*saa7110_selmux(sd,0);*/
+ /*determine_norm(sd);*/
/* setup and implicit mode 0 select has been performed */
return 0;
}
-static int
-saa7110_attach_adapter (struct i2c_adapter *adapter)
-{
- dprintk(1,
- KERN_INFO
- "saa7110.c: starting probe for adapter %s (0x%x)\n",
- I2C_NAME(adapter), adapter->id);
- return i2c_probe(adapter, &addr_data, &saa7110_detect_client);
-}
-
-static int
-saa7110_detach_client (struct i2c_client *client)
+static int saa7110_remove(struct i2c_client *client)
{
- struct saa7110 *decoder = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
-
- kfree(decoder);
- kfree(client);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ v4l2_device_unregister_subdev(sd);
+ kfree(to_saa7110(sd));
return 0;
}
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_saa7110 = {
- .owner = THIS_MODULE,
- .name = "saa7110",
-
- .id = I2C_DRIVERID_SAA7110,
- .flags = I2C_DF_NOTIFY,
-
- .attach_adapter = saa7110_attach_adapter,
- .detach_client = saa7110_detach_client,
- .command = saa7110_command,
+static const struct i2c_device_id saa7110_id[] = {
+ { "saa7110", 0 },
+ { }
};
+MODULE_DEVICE_TABLE(i2c, saa7110_id);
-static int __init
-saa7110_init (void)
-{
- return i2c_add_driver(&i2c_driver_saa7110);
-}
-
-static void __exit
-saa7110_exit (void)
-{
- i2c_del_driver(&i2c_driver_saa7110);
-}
-
-module_init(saa7110_init);
-module_exit(saa7110_exit);
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "saa7110",
+ .probe = saa7110_probe,
+ .remove = saa7110_remove,
+ .id_table = saa7110_id,
+};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff