*/
#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/pci.h>
-#include <linux/signal.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
#include <linux/types.h>
-
-#include <linux/videodev.h>
-#include <asm/uaccess.h>
+#include <linux/ioctl.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
+#include <media/bt819.h>
MODULE_DESCRIPTION("Brooktree-819 video decoder driver");
MODULE_AUTHOR("Mike Bernson & Dave Perks");
MODULE_LICENSE("GPL");
-#include <linux/i2c.h>
-
-#define I2C_NAME(s) (s)->name
-
-#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)
/* ----------------------------------------------------------------------- */
struct bt819 {
+ struct v4l2_subdev sd;
unsigned char reg[32];
- int initialized;
- int norm;
+ v4l2_std_id norm;
+ int ident;
int input;
int enable;
int bright;
int sat;
};
+static inline struct bt819 *to_bt819(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct bt819, sd);
+}
+
struct timing {
int hactive;
int hdelay;
{858 - 24, 20, 525 - 2, 1, 0x00f8, 0x0000},
};
-#define I2C_BT819 0x8a
-
/* ----------------------------------------------------------------------- */
-static inline int
-bt819_write (struct i2c_client *client,
- u8 reg,
- u8 value)
+static inline int bt819_write(struct bt819 *decoder, u8 reg, u8 value)
{
- struct bt819 *decoder = i2c_get_clientdata(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);
decoder->reg[reg] = value;
return i2c_smbus_write_byte_data(client, reg, value);
}
-static inline int
-bt819_setbit (struct i2c_client *client,
- u8 reg,
- u8 bit,
- u8 value)
+static inline int bt819_setbit(struct bt819 *decoder, u8 reg, u8 bit, u8 value)
{
- struct bt819 *decoder = i2c_get_clientdata(client);
-
- return bt819_write(client, reg,
- (decoder->
- reg[reg] & ~(1 << bit)) |
- (value ? (1 << bit) : 0));
+ return bt819_write(decoder, reg,
+ (decoder->reg[reg] & ~(1 << bit)) | (value ? (1 << bit) : 0));
}
-static int
-bt819_write_block (struct i2c_client *client,
- const u8 *data,
- unsigned int len)
+static int bt819_write_block(struct bt819 *decoder, const u8 *data, unsigned int len)
{
+ struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);
int ret = -1;
u8 reg;
* the adapter understands raw I2C */
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
/* do raw I2C, not smbus compatible */
- struct bt819 *decoder = i2c_get_clientdata(client);
u8 block_data[32];
int block_len;
decoder->reg[reg++] = data[1];
len -= 2;
data += 2;
- } while (len >= 2 && data[0] == reg &&
- block_len < 32);
- if ((ret = i2c_master_send(client, block_data,
- block_len)) < 0)
+ } while (len >= 2 && data[0] == reg && block_len < 32);
+ ret = i2c_master_send(client, block_data, block_len);
+ if (ret < 0)
break;
}
} else {
/* do some slow I2C emulation kind of thing */
while (len >= 2) {
reg = *data++;
- if ((ret = bt819_write(client, reg, *data++)) < 0)
+ ret = bt819_write(decoder, reg, *data++);
+ if (ret < 0)
break;
len -= 2;
}
return ret;
}
-static inline int
-bt819_read (struct i2c_client *client,
- u8 reg)
+static inline int bt819_read(struct bt819 *decoder, u8 reg)
{
+ struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);
+
return i2c_smbus_read_byte_data(client, reg);
}
-static int
-bt819_init (struct i2c_client *client)
+static int bt819_init(struct v4l2_subdev *sd)
{
- struct bt819 *decoder = i2c_get_clientdata(client);
-
static unsigned char init[] = {
- //0x1f, 0x00, /* Reset */
+ /*0x1f, 0x00,*/ /* Reset */
0x01, 0x59, /* 0x01 input format */
0x02, 0x00, /* 0x02 temporal decimation */
0x03, 0x12, /* 0x03 Cropping msb */
0x1a, 0x80, /* 0x1a ADC Interface */
};
- struct timing *timing = &timing_data[decoder->norm];
+ struct bt819 *decoder = to_bt819(sd);
+ struct timing *timing = &timing_data[(decoder->norm & V4L2_STD_525_60) ? 1 : 0];
init[0x03 * 2 - 1] =
- (((timing->vdelay >> 8) & 0x03) << 6) | (((timing->
- vactive >> 8) &
- 0x03) << 4) |
- (((timing->hdelay >> 8) & 0x03) << 2) | ((timing->
- hactive >> 8) &
- 0x03);
+ (((timing->vdelay >> 8) & 0x03) << 6) |
+ (((timing->vactive >> 8) & 0x03) << 4) |
+ (((timing->hdelay >> 8) & 0x03) << 2) |
+ ((timing->hactive >> 8) & 0x03);
init[0x04 * 2 - 1] = timing->vdelay & 0xff;
init[0x05 * 2 - 1] = timing->vactive & 0xff;
init[0x06 * 2 - 1] = timing->hdelay & 0xff;
init[0x08 * 2 - 1] = timing->hscale >> 8;
init[0x09 * 2 - 1] = timing->hscale & 0xff;
/* 0x15 in array is address 0x19 */
- init[0x15 * 2 - 1] = (decoder->norm == 0) ? 115 : 93; /* Chroma burst delay */
+ init[0x15 * 2 - 1] = (decoder->norm & V4L2_STD_625_50) ? 115 : 93; /* Chroma burst delay */
/* reset */
- bt819_write(client, 0x1f, 0x00);
+ bt819_write(decoder, 0x1f, 0x00);
mdelay(1);
/* init */
- return bt819_write_block(client, init, sizeof(init));
-
+ return bt819_write_block(decoder, init, sizeof(init));
}
/* ----------------------------------------------------------------------- */
-static int
-bt819_command (struct i2c_client *client,
- unsigned int cmd,
- void *arg)
+static int bt819_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
{
- int temp;
+ struct bt819 *decoder = to_bt819(sd);
+ int status = bt819_read(decoder, 0x00);
+ int res = V4L2_IN_ST_NO_SIGNAL;
+ v4l2_std_id std;
- struct bt819 *decoder = i2c_get_clientdata(client);
+ if ((status & 0x80))
+ res = 0;
- if (!decoder->initialized) { // First call to bt819_init could be
- bt819_init(client); // without #FRST = 0
- decoder->initialized = 1;
- }
+ if ((status & 0x10))
+ std = V4L2_STD_PAL;
+ else
+ std = V4L2_STD_NTSC;
+ if (pstd)
+ *pstd = std;
+ if (pstatus)
+ *pstatus = status;
- switch (cmd) {
+ v4l2_dbg(1, debug, sd, "get status %x\n", status);
+ return 0;
+}
- case 0:
- /* This is just for testing!!! */
- bt819_init(client);
- break;
+static int bt819_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+ return bt819_status(sd, NULL, std);
+}
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *cap = arg;
+static int bt819_g_input_status(struct v4l2_subdev *sd, u32 *status)
+{
+ return bt819_status(sd, status, NULL);
+}
- cap->flags = VIDEO_DECODER_PAL |
- VIDEO_DECODER_NTSC |
- VIDEO_DECODER_AUTO |
- VIDEO_DECODER_CCIR;
- cap->inputs = 8;
- cap->outputs = 1;
+static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct bt819 *decoder = to_bt819(sd);
+ struct timing *timing = NULL;
+
+ v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std);
+
+ if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL)
+ v4l2_err(sd, "no notify found!\n");
+
+ if (std & V4L2_STD_NTSC) {
+ v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0);
+ bt819_setbit(decoder, 0x01, 0, 1);
+ bt819_setbit(decoder, 0x01, 1, 0);
+ bt819_setbit(decoder, 0x01, 5, 0);
+ bt819_write(decoder, 0x18, 0x68);
+ bt819_write(decoder, 0x19, 0x5d);
+ /* bt819_setbit(decoder, 0x1a, 5, 1); */
+ timing = &timing_data[1];
+ } else if (std & V4L2_STD_PAL) {
+ v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0);
+ bt819_setbit(decoder, 0x01, 0, 1);
+ bt819_setbit(decoder, 0x01, 1, 1);
+ bt819_setbit(decoder, 0x01, 5, 1);
+ bt819_write(decoder, 0x18, 0x7f);
+ bt819_write(decoder, 0x19, 0x72);
+ /* bt819_setbit(decoder, 0x1a, 5, 0); */
+ timing = &timing_data[0];
+ } else {
+ v4l2_dbg(1, debug, sd, "unsupported norm %llx\n",
+ (unsigned long long)std);
+ return -EINVAL;
}
- break;
-
- case DECODER_GET_STATUS:
- {
- int *iarg = arg;
- int status;
- int res;
+ bt819_write(decoder, 0x03,
+ (((timing->vdelay >> 8) & 0x03) << 6) |
+ (((timing->vactive >> 8) & 0x03) << 4) |
+ (((timing->hdelay >> 8) & 0x03) << 2) |
+ ((timing->hactive >> 8) & 0x03));
+ bt819_write(decoder, 0x04, timing->vdelay & 0xff);
+ bt819_write(decoder, 0x05, timing->vactive & 0xff);
+ bt819_write(decoder, 0x06, timing->hdelay & 0xff);
+ bt819_write(decoder, 0x07, timing->hactive & 0xff);
+ bt819_write(decoder, 0x08, (timing->hscale >> 8) & 0xff);
+ bt819_write(decoder, 0x09, timing->hscale & 0xff);
+ decoder->norm = std;
+ v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, 0);
+ return 0;
+}
- status = bt819_read(client, 0x00);
- res = 0;
- if ((status & 0x80)) {
- res |= DECODER_STATUS_GOOD;
- }
- switch (decoder->norm) {
- case VIDEO_MODE_NTSC:
- res |= DECODER_STATUS_NTSC;
- break;
- case VIDEO_MODE_PAL:
- res |= DECODER_STATUS_PAL;
- break;
- default:
- case VIDEO_MODE_AUTO:
- if ((status & 0x10)) {
- res |= DECODER_STATUS_PAL;
- } else {
- res |= DECODER_STATUS_NTSC;
- }
- break;
- }
- res |= DECODER_STATUS_COLOR;
- *iarg = res;
+static int bt819_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+{
+ struct bt819 *decoder = to_bt819(sd);
- dprintk(1, KERN_INFO "%s: get status %x\n", I2C_NAME(client),
- *iarg);
- }
- break;
+ v4l2_dbg(1, debug, sd, "set input %x\n", route->input);
- case DECODER_SET_NORM:
- {
- int *iarg = arg;
- struct timing *timing = NULL;
-
- dprintk(1, KERN_INFO "%s: set norm %x\n", I2C_NAME(client),
- *iarg);
-
- switch (*iarg) {
- case VIDEO_MODE_NTSC:
- bt819_setbit(client, 0x01, 0, 1);
- bt819_setbit(client, 0x01, 1, 0);
- bt819_setbit(client, 0x01, 5, 0);
- bt819_write(client, 0x18, 0x68);
- bt819_write(client, 0x19, 0x5d);
- //bt819_setbit(client, 0x1a, 5, 1);
- timing = &timing_data[VIDEO_MODE_NTSC];
- break;
- case VIDEO_MODE_PAL:
- bt819_setbit(client, 0x01, 0, 1);
- bt819_setbit(client, 0x01, 1, 1);
- bt819_setbit(client, 0x01, 5, 1);
- bt819_write(client, 0x18, 0x7f);
- bt819_write(client, 0x19, 0x72);
- //bt819_setbit(client, 0x1a, 5, 0);
- timing = &timing_data[VIDEO_MODE_PAL];
- break;
- case VIDEO_MODE_AUTO:
- bt819_setbit(client, 0x01, 0, 0);
- bt819_setbit(client, 0x01, 1, 0);
- break;
- default:
- dprintk(1,
- KERN_ERR
- "%s: unsupported norm %d\n",
- I2C_NAME(client), *iarg);
- return -EINVAL;
- }
+ if (route->input < 0 || route->input > 7)
+ return -EINVAL;
- if (timing) {
- bt819_write(client, 0x03,
- (((timing->vdelay >> 8) & 0x03) << 6) |
- (((timing->vactive >> 8) & 0x03) << 4) |
- (((timing->hdelay >> 8) & 0x03) << 2) |
- ((timing->hactive >> 8) & 0x03) );
- bt819_write(client, 0x04, timing->vdelay & 0xff);
- bt819_write(client, 0x05, timing->vactive & 0xff);
- bt819_write(client, 0x06, timing->hdelay & 0xff);
- bt819_write(client, 0x07, timing->hactive & 0xff);
- bt819_write(client, 0x08, (timing->hscale >> 8) & 0xff);
- bt819_write(client, 0x09, timing->hscale & 0xff);
+ if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL)
+ v4l2_err(sd, "no notify found!\n");
+
+ if (decoder->input != route->input) {
+ v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0);
+ decoder->input = route->input;
+ /* select mode */
+ if (decoder->input == 0) {
+ bt819_setbit(decoder, 0x0b, 6, 0);
+ bt819_setbit(decoder, 0x1a, 1, 1);
+ } else {
+ bt819_setbit(decoder, 0x0b, 6, 1);
+ bt819_setbit(decoder, 0x1a, 1, 0);
}
-
- decoder->norm = *iarg;
+ v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, 0);
}
- break;
-
- case DECODER_SET_INPUT:
- {
- int *iarg = arg;
+ return 0;
+}
- dprintk(1, KERN_INFO "%s: set input %x\n", I2C_NAME(client),
- *iarg);
+static int bt819_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct bt819 *decoder = to_bt819(sd);
- if (*iarg < 0 || *iarg > 7) {
- return -EINVAL;
- }
+ v4l2_dbg(1, debug, sd, "enable output %x\n", enable);
- if (decoder->input != *iarg) {
- decoder->input = *iarg;
- /* select mode */
- if (decoder->input == 0) {
- bt819_setbit(client, 0x0b, 6, 0);
- bt819_setbit(client, 0x1a, 1, 1);
- } else {
- bt819_setbit(client, 0x0b, 6, 1);
- bt819_setbit(client, 0x1a, 1, 0);
- }
- }
+ if (decoder->enable != enable) {
+ decoder->enable = enable;
+ bt819_setbit(decoder, 0x16, 7, !enable);
}
- break;
+ return 0;
+}
- case DECODER_SET_OUTPUT:
- {
- int *iarg = arg;
+static int bt819_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+ switch (qc->id) {
+ case V4L2_CID_BRIGHTNESS:
+ v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
+ break;
- dprintk(1, KERN_INFO "%s: set output %x\n", I2C_NAME(client),
- *iarg);
+ case V4L2_CID_CONTRAST:
+ v4l2_ctrl_query_fill(qc, 0, 511, 1, 256);
+ break;
- /* not much choice of outputs */
- if (*iarg != 0) {
- return -EINVAL;
- }
- }
+ case V4L2_CID_SATURATION:
+ v4l2_ctrl_query_fill(qc, 0, 511, 1, 256);
break;
- case DECODER_ENABLE_OUTPUT:
- {
- int *iarg = arg;
- int enable = (*iarg != 0);
+ case V4L2_CID_HUE:
+ v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
+ break;
- dprintk(1, KERN_INFO "%s: enable output %x\n",
- I2C_NAME(client), *iarg);
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
- if (decoder->enable != enable) {
- decoder->enable = enable;
+static int bt819_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct bt819 *decoder = to_bt819(sd);
+ int temp;
- if (decoder->enable) {
- bt819_setbit(client, 0x16, 7, 0);
- } else {
- bt819_setbit(client, 0x16, 7, 1);
- }
- }
- }
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ if (decoder->bright == ctrl->value)
+ break;
+ decoder->bright = ctrl->value;
+ bt819_write(decoder, 0x0a, decoder->bright);
break;
- case DECODER_SET_PICTURE:
- {
- struct video_picture *pic = arg;
-
- dprintk(1,
- KERN_INFO
- "%s: set picture brightness %d contrast %d colour %d\n",
- I2C_NAME(client), pic->brightness, pic->contrast,
- pic->colour);
+ case V4L2_CID_CONTRAST:
+ if (decoder->contrast == ctrl->value)
+ break;
+ decoder->contrast = ctrl->value;
+ bt819_write(decoder, 0x0c, decoder->contrast & 0xff);
+ bt819_setbit(decoder, 0x0b, 2, ((decoder->contrast >> 8) & 0x01));
+ break;
+ case V4L2_CID_SATURATION:
+ if (decoder->sat == ctrl->value)
+ break;
+ decoder->sat = ctrl->value;
+ bt819_write(decoder, 0x0d, (decoder->sat >> 7) & 0xff);
+ bt819_setbit(decoder, 0x0b, 1, ((decoder->sat >> 15) & 0x01));
+
+ /* Ratio between U gain and V gain must stay the same as
+ the ratio between the default U and V gain values. */
+ temp = (decoder->sat * 180) / 254;
+ bt819_write(decoder, 0x0e, (temp >> 7) & 0xff);
+ bt819_setbit(decoder, 0x0b, 0, (temp >> 15) & 0x01);
+ break;
- if (decoder->bright != pic->brightness) {
- /* We want -128 to 127 we get 0-65535 */
- decoder->bright = pic->brightness;
- bt819_write(client, 0x0a,
- (decoder->bright >> 8) - 128);
- }
+ case V4L2_CID_HUE:
+ if (decoder->hue == ctrl->value)
+ break;
+ decoder->hue = ctrl->value;
+ bt819_write(decoder, 0x0f, decoder->hue);
+ break;
- if (decoder->contrast != pic->contrast) {
- /* We want 0 to 511 we get 0-65535 */
- decoder->contrast = pic->contrast;
- bt819_write(client, 0x0c,
- (decoder->contrast >> 7) & 0xff);
- bt819_setbit(client, 0x0b, 2,
- ((decoder->contrast >> 15) & 0x01));
- }
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
- if (decoder->sat != pic->colour) {
- /* We want 0 to 511 we get 0-65535 */
- decoder->sat = pic->colour;
- bt819_write(client, 0x0d,
- (decoder->sat >> 7) & 0xff);
- bt819_setbit(client, 0x0b, 1,
- ((decoder->sat >> 15) & 0x01));
-
- temp = (decoder->sat * 201) / 237;
- bt819_write(client, 0x0e, (temp >> 7) & 0xff);
- bt819_setbit(client, 0x0b, 0, (temp >> 15) & 0x01);
- }
+static int bt819_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct bt819 *decoder = to_bt819(sd);
- if (decoder->hue != pic->hue) {
- /* We want -128 to 127 we get 0-65535 */
- decoder->hue = pic->hue;
- bt819_write(client, 0x0f,
- 128 - (decoder->hue >> 8));
- }
- }
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ ctrl->value = decoder->bright;
+ break;
+ 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;
}
+static int bt819_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct bt819 *decoder = to_bt819(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return v4l2_chip_ident_i2c_client(client, chip, decoder->ident, 0);
+}
+
/* ----------------------------------------------------------------------- */
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = {
- I2C_BT819 >> 1,
- I2C_CLIENT_END,
+static const struct v4l2_subdev_core_ops bt819_core_ops = {
+ .g_chip_ident = bt819_g_chip_ident,
+ .g_ctrl = bt819_g_ctrl,
+ .s_ctrl = bt819_s_ctrl,
+ .queryctrl = bt819_queryctrl,
+ .s_std = bt819_s_std,
};
-static unsigned short ignore = I2C_CLIENT_END;
+static const struct v4l2_subdev_video_ops bt819_video_ops = {
+ .s_routing = bt819_s_routing,
+ .s_stream = bt819_s_stream,
+ .querystd = bt819_querystd,
+ .g_input_status = bt819_g_input_status,
+};
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_i2c,
- .probe = &ignore,
- .ignore = &ignore,
+static const struct v4l2_subdev_ops bt819_ops = {
+ .core = &bt819_core_ops,
+ .video = &bt819_video_ops,
};
-static struct i2c_driver i2c_driver_bt819;
+/* ----------------------------------------------------------------------- */
-static int
-bt819_detect_client (struct i2c_adapter *adapter,
- int address,
- int kind)
+static int bt819_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- int i, id;
+ int i, ver;
struct bt819 *decoder;
- struct i2c_client *client;
-
- dprintk(1,
- KERN_INFO
- "saa7111.c: detecting bt819 client on address 0x%x\n",
- address << 1);
+ struct v4l2_subdev *sd;
+ const char *name;
/* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return 0;
-
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == 0)
- return -ENOMEM;
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_bt819;
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
decoder = kzalloc(sizeof(struct bt819), GFP_KERNEL);
- if (decoder == NULL) {
- kfree(client);
+ if (decoder == NULL)
return -ENOMEM;
- }
- decoder->norm = VIDEO_MODE_NTSC;
- decoder->input = 0;
- decoder->enable = 1;
- decoder->bright = 32768;
- decoder->contrast = 32768;
- decoder->hue = 32768;
- decoder->sat = 32768;
- decoder->initialized = 0;
- i2c_set_clientdata(client, decoder);
-
- id = bt819_read(client, 0x17);
- switch (id & 0xf0) {
+ sd = &decoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &bt819_ops);
+
+ ver = bt819_read(decoder, 0x17);
+ switch (ver & 0xf0) {
case 0x70:
- strlcpy(I2C_NAME(client), "bt819a", sizeof(I2C_NAME(client)));
+ name = "bt819a";
+ decoder->ident = V4L2_IDENT_BT819A;
break;
case 0x60:
- strlcpy(I2C_NAME(client), "bt817a", sizeof(I2C_NAME(client)));
+ name = "bt817a";
+ decoder->ident = V4L2_IDENT_BT817A;
break;
case 0x20:
- strlcpy(I2C_NAME(client), "bt815a", sizeof(I2C_NAME(client)));
+ name = "bt815a";
+ decoder->ident = V4L2_IDENT_BT815A;
break;
default:
- dprintk(1,
- KERN_ERR
- "bt819: unknown chip version 0x%x (ver 0x%x)\n",
- id & 0xf0, id & 0x0f);
- kfree(decoder);
- kfree(client);
- return 0;
- }
-
- i = i2c_attach_client(client);
- if (i) {
- kfree(client);
- kfree(decoder);
- return i;
+ v4l2_dbg(1, debug, sd,
+ "unknown chip version 0x%02x\n", ver);
+ return -ENODEV;
}
- i = bt819_init(client);
- if (i < 0) {
- dprintk(1, KERN_ERR "%s_attach: init status %d\n",
- I2C_NAME(client), i);
- } else {
- dprintk(1,
- KERN_INFO
- "%s_attach: chip version 0x%x at address 0x%x\n",
- I2C_NAME(client), id & 0x0f,
- client->addr << 1);
- }
+ v4l_info(client, "%s found @ 0x%x (%s)\n", name,
+ client->addr << 1, client->adapter->name);
+ decoder->norm = V4L2_STD_NTSC;
+ decoder->input = 0;
+ decoder->enable = 1;
+ decoder->bright = 0;
+ decoder->contrast = 0xd8; /* 100% of original signal */
+ decoder->hue = 0;
+ decoder->sat = 0xfe; /* 100% of original signal */
+
+ i = bt819_init(sd);
+ if (i < 0)
+ v4l2_dbg(1, debug, sd, "init status %d\n", i);
return 0;
}
-static int
-bt819_attach_adapter (struct i2c_adapter *adapter)
-{
- return i2c_probe(adapter, &addr_data, &bt819_detect_client);
-}
-
-static int
-bt819_detach_client (struct i2c_client *client)
+static int bt819_remove(struct i2c_client *client)
{
- struct bt819 *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_bt819(sd));
return 0;
}
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_bt819 = {
- .driver = {
- .name = "bt819",
- },
-
- .id = I2C_DRIVERID_BT819,
-
- .attach_adapter = bt819_attach_adapter,
- .detach_client = bt819_detach_client,
- .command = bt819_command,
+static const struct i2c_device_id bt819_id[] = {
+ { "bt819a", 0 },
+ { "bt817a", 0 },
+ { "bt815a", 0 },
+ { }
};
+MODULE_DEVICE_TABLE(i2c, bt819_id);
-static int __init
-bt819_init_module (void)
-{
- return i2c_add_driver(&i2c_driver_bt819);
-}
-
-static void __exit
-bt819_exit (void)
-{
- i2c_del_driver(&i2c_driver_bt819);
-}
-
-module_init(bt819_init_module);
-module_exit(bt819_exit);
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "bt819",
+ .probe = bt819_probe,
+ .remove = bt819_remove,
+ .id_table = bt819_id,
+};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff