#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/videodev2.h>
-#include <media/v4l2-int-device.h>
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
#include <media/tvp514x.h>
#include "tvp514x_regs.h"
module_param(debug, bool, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-#define dump_reg(client, reg, val) \
- do { \
- val = tvp514x_read_reg(client, reg); \
- v4l_info(client, "Reg(0x%.2X): 0x%.2X\n", reg, val); \
- } while (0)
+MODULE_AUTHOR("Texas Instruments");
+MODULE_DESCRIPTION("TVP514X linux decoder driver");
+MODULE_LICENSE("GPL");
-/**
+/*
* enum tvp514x_std - enum for supported standards
*/
enum tvp514x_std {
STD_INVALID
};
-/**
- * enum tvp514x_state - enum for different decoder states
- */
-enum tvp514x_state {
- STATE_NOT_DETECTED,
- STATE_DETECTED
-};
-
-/**
+/*
* struct tvp514x_std_info - Structure to store standard informations
* @width: Line width in pixels
* @height:Number of active lines
};
static struct tvp514x_reg tvp514x_reg_list_default[0x40];
-/**
+/*
* struct tvp514x_decoder - TVP5146/47 decoder object
- * @v4l2_int_device: Slave handle
- * @tvp514x_slave: Slave pointer which is used by @v4l2_int_device
+ * @sd: Subdevice Slave handle
* @tvp514x_regs: copy of hw's regs with preset values.
* @pdata: Board specific
- * @client: I2C client data
- * @id: Entry from I2C table
* @ver: Chip version
- * @state: TVP5146/47 decoder state - detected or not-detected
+ * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
* @pix: Current pixel format
* @num_fmts: Number of formats
* @fmt_list: Format list
* @current_std: Current standard
* @num_stds: Number of standards
* @std_list: Standards list
- * @route: input and output routing at chip level
+ * @input: Input routing at chip level
+ * @output: Output routing at chip level
*/
struct tvp514x_decoder {
- struct v4l2_int_device v4l2_int_device;
- struct v4l2_int_slave tvp514x_slave;
+ struct v4l2_subdev sd;
struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)];
const struct tvp514x_platform_data *pdata;
- struct i2c_client *client;
-
- struct i2c_device_id *id;
int ver;
- enum tvp514x_state state;
+ int streaming;
struct v4l2_pix_format pix;
int num_fmts;
enum tvp514x_std current_std;
int num_stds;
struct tvp514x_std_info *std_list;
-
- struct v4l2_routing route;
+ /*
+ * Input and Output Routing parameters
+ */
+ u32 input;
+ u32 output;
};
/* TVP514x default register values */
{TOK_TERM, 0, 0},
};
-/* List of image formats supported by TVP5146/47 decoder
+/*
+ * List of image formats supported by TVP5146/47 decoder
* Currently we are using 8 bit mode only, but can be
* extended to 10/20 bit mode.
*/
},
/* Standard: need to add for additional standard */
};
-/*
- * Control structure for Auto Gain
- * This is temporary data, will get replaced once
- * v4l2_ctrl_query_fill supports it.
- */
-static const struct v4l2_queryctrl tvp514x_autogain_ctrl = {
- .id = V4L2_CID_AUTOGAIN,
- .name = "Gain, Automatic",
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 1,
-};
+
+
+static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct tvp514x_decoder, sd);
+}
+
/*
* Read a value from a register in an TVP5146/47 decoder device.
* Returns value read if successful, or non-zero (-1) otherwise.
*/
-static int tvp514x_read_reg(struct i2c_client *client, u8 reg)
+static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
{
- int err;
- int retry = 0;
+ int err, retry = 0;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
read_again:
err = i2c_smbus_read_byte_data(client, reg);
if (err == -1) {
if (retry <= I2C_RETRY_COUNT) {
- v4l_warn(client, "Read: retry ... %d\n", retry);
+ v4l2_warn(sd, "Read: retry ... %d\n", retry);
retry++;
msleep_interruptible(10);
goto read_again;
return err;
}
+static void dump_reg(struct v4l2_subdev *sd, u8 reg)
+{
+ u32 val;
+
+ val = tvp514x_read_reg(sd, reg);
+ v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val);
+}
+
/*
* Write a value to a register in an TVP5146/47 decoder device.
* Returns zero if successful, or non-zero otherwise.
*/
-static int tvp514x_write_reg(struct i2c_client *client, u8 reg, u8 val)
+static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val)
{
- int err;
- int retry = 0;
+ int err, retry = 0;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
write_again:
err = i2c_smbus_write_byte_data(client, reg, val);
if (err) {
if (retry <= I2C_RETRY_COUNT) {
- v4l_warn(client, "Write: retry ... %d\n", retry);
+ v4l2_warn(sd, "Write: retry ... %d\n", retry);
retry++;
msleep_interruptible(10);
goto write_again;
* reglist - list of registers to be written
* Returns zero if successful, or non-zero otherwise.
*/
-static int tvp514x_write_regs(struct i2c_client *client,
+static int tvp514x_write_regs(struct v4l2_subdev *sd,
const struct tvp514x_reg reglist[])
{
int err;
if (next->token == TOK_SKIP)
continue;
- err = tvp514x_write_reg(client, next->reg, (u8) next->val);
+ err = tvp514x_write_reg(sd, next->reg, (u8) next->val);
if (err) {
- v4l_err(client, "Write failed. Err[%d]\n", err);
+ v4l2_err(sd, "Write failed. Err[%d]\n", err);
return err;
}
}
* tvp514x_get_current_std:
* Returns the current standard detected by TVP5146/47
*/
-static enum tvp514x_std tvp514x_get_current_std(struct tvp514x_decoder
- *decoder)
+static enum tvp514x_std tvp514x_get_current_std(struct v4l2_subdev *sd)
{
u8 std, std_status;
- std = tvp514x_read_reg(decoder->client, REG_VIDEO_STD);
- if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) {
+ std = tvp514x_read_reg(sd, REG_VIDEO_STD);
+ if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT)
/* use the standard status register */
- std_status = tvp514x_read_reg(decoder->client,
- REG_VIDEO_STD_STATUS);
- } else
+ std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS);
+ else
std_status = std; /* use the standard register itself */
switch (std_status & VIDEO_STD_MASK) {
/*
* TVP5146/47 register dump function
*/
-static void tvp514x_reg_dump(struct tvp514x_decoder *decoder)
+static void tvp514x_reg_dump(struct v4l2_subdev *sd)
{
- u8 value;
-
- dump_reg(decoder->client, REG_INPUT_SEL, value);
- dump_reg(decoder->client, REG_AFE_GAIN_CTRL, value);
- dump_reg(decoder->client, REG_VIDEO_STD, value);
- dump_reg(decoder->client, REG_OPERATION_MODE, value);
- dump_reg(decoder->client, REG_COLOR_KILLER, value);
- dump_reg(decoder->client, REG_LUMA_CONTROL1, value);
- dump_reg(decoder->client, REG_LUMA_CONTROL2, value);
- dump_reg(decoder->client, REG_LUMA_CONTROL3, value);
- dump_reg(decoder->client, REG_BRIGHTNESS, value);
- dump_reg(decoder->client, REG_CONTRAST, value);
- dump_reg(decoder->client, REG_SATURATION, value);
- dump_reg(decoder->client, REG_HUE, value);
- dump_reg(decoder->client, REG_CHROMA_CONTROL1, value);
- dump_reg(decoder->client, REG_CHROMA_CONTROL2, value);
- dump_reg(decoder->client, REG_COMP_PR_SATURATION, value);
- dump_reg(decoder->client, REG_COMP_Y_CONTRAST, value);
- dump_reg(decoder->client, REG_COMP_PB_SATURATION, value);
- dump_reg(decoder->client, REG_COMP_Y_BRIGHTNESS, value);
- dump_reg(decoder->client, REG_AVID_START_PIXEL_LSB, value);
- dump_reg(decoder->client, REG_AVID_START_PIXEL_MSB, value);
- dump_reg(decoder->client, REG_AVID_STOP_PIXEL_LSB, value);
- dump_reg(decoder->client, REG_AVID_STOP_PIXEL_MSB, value);
- dump_reg(decoder->client, REG_HSYNC_START_PIXEL_LSB, value);
- dump_reg(decoder->client, REG_HSYNC_START_PIXEL_MSB, value);
- dump_reg(decoder->client, REG_HSYNC_STOP_PIXEL_LSB, value);
- dump_reg(decoder->client, REG_HSYNC_STOP_PIXEL_MSB, value);
- dump_reg(decoder->client, REG_VSYNC_START_LINE_LSB, value);
- dump_reg(decoder->client, REG_VSYNC_START_LINE_MSB, value);
- dump_reg(decoder->client, REG_VSYNC_STOP_LINE_LSB, value);
- dump_reg(decoder->client, REG_VSYNC_STOP_LINE_MSB, value);
- dump_reg(decoder->client, REG_VBLK_START_LINE_LSB, value);
- dump_reg(decoder->client, REG_VBLK_START_LINE_MSB, value);
- dump_reg(decoder->client, REG_VBLK_STOP_LINE_LSB, value);
- dump_reg(decoder->client, REG_VBLK_STOP_LINE_MSB, value);
- dump_reg(decoder->client, REG_SYNC_CONTROL, value);
- dump_reg(decoder->client, REG_OUTPUT_FORMATTER1, value);
- dump_reg(decoder->client, REG_OUTPUT_FORMATTER2, value);
- dump_reg(decoder->client, REG_OUTPUT_FORMATTER3, value);
- dump_reg(decoder->client, REG_OUTPUT_FORMATTER4, value);
- dump_reg(decoder->client, REG_OUTPUT_FORMATTER5, value);
- dump_reg(decoder->client, REG_OUTPUT_FORMATTER6, value);
- dump_reg(decoder->client, REG_CLEAR_LOST_LOCK, value);
+ dump_reg(sd, REG_INPUT_SEL);
+ dump_reg(sd, REG_AFE_GAIN_CTRL);
+ dump_reg(sd, REG_VIDEO_STD);
+ dump_reg(sd, REG_OPERATION_MODE);
+ dump_reg(sd, REG_COLOR_KILLER);
+ dump_reg(sd, REG_LUMA_CONTROL1);
+ dump_reg(sd, REG_LUMA_CONTROL2);
+ dump_reg(sd, REG_LUMA_CONTROL3);
+ dump_reg(sd, REG_BRIGHTNESS);
+ dump_reg(sd, REG_CONTRAST);
+ dump_reg(sd, REG_SATURATION);
+ dump_reg(sd, REG_HUE);
+ dump_reg(sd, REG_CHROMA_CONTROL1);
+ dump_reg(sd, REG_CHROMA_CONTROL2);
+ dump_reg(sd, REG_COMP_PR_SATURATION);
+ dump_reg(sd, REG_COMP_Y_CONTRAST);
+ dump_reg(sd, REG_COMP_PB_SATURATION);
+ dump_reg(sd, REG_COMP_Y_BRIGHTNESS);
+ dump_reg(sd, REG_AVID_START_PIXEL_LSB);
+ dump_reg(sd, REG_AVID_START_PIXEL_MSB);
+ dump_reg(sd, REG_AVID_STOP_PIXEL_LSB);
+ dump_reg(sd, REG_AVID_STOP_PIXEL_MSB);
+ dump_reg(sd, REG_HSYNC_START_PIXEL_LSB);
+ dump_reg(sd, REG_HSYNC_START_PIXEL_MSB);
+ dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB);
+ dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB);
+ dump_reg(sd, REG_VSYNC_START_LINE_LSB);
+ dump_reg(sd, REG_VSYNC_START_LINE_MSB);
+ dump_reg(sd, REG_VSYNC_STOP_LINE_LSB);
+ dump_reg(sd, REG_VSYNC_STOP_LINE_MSB);
+ dump_reg(sd, REG_VBLK_START_LINE_LSB);
+ dump_reg(sd, REG_VBLK_START_LINE_MSB);
+ dump_reg(sd, REG_VBLK_STOP_LINE_LSB);
+ dump_reg(sd, REG_VBLK_STOP_LINE_MSB);
+ dump_reg(sd, REG_SYNC_CONTROL);
+ dump_reg(sd, REG_OUTPUT_FORMATTER1);
+ dump_reg(sd, REG_OUTPUT_FORMATTER2);
+ dump_reg(sd, REG_OUTPUT_FORMATTER3);
+ dump_reg(sd, REG_OUTPUT_FORMATTER4);
+ dump_reg(sd, REG_OUTPUT_FORMATTER5);
+ dump_reg(sd, REG_OUTPUT_FORMATTER6);
+ dump_reg(sd, REG_CLEAR_LOST_LOCK);
}
/*
* Configure the TVP5146/47 with the current register settings
* Returns zero if successful, or non-zero otherwise.
*/
-static int tvp514x_configure(struct tvp514x_decoder *decoder)
+static int tvp514x_configure(struct v4l2_subdev *sd,
+ struct tvp514x_decoder *decoder)
{
int err;
/* common register initialization */
err =
- tvp514x_write_regs(decoder->client, decoder->tvp514x_regs);
+ tvp514x_write_regs(sd, decoder->tvp514x_regs);
if (err)
return err;
if (debug)
- tvp514x_reg_dump(decoder);
+ tvp514x_reg_dump(sd);
return 0;
}
* Returns ENODEV error number if no device is detected, or zero
* if a device is detected.
*/
-static int tvp514x_detect(struct tvp514x_decoder *decoder)
+static int tvp514x_detect(struct v4l2_subdev *sd,
+ struct tvp514x_decoder *decoder)
{
u8 chip_id_msb, chip_id_lsb, rom_ver;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- chip_id_msb = tvp514x_read_reg(decoder->client, REG_CHIP_ID_MSB);
- chip_id_lsb = tvp514x_read_reg(decoder->client, REG_CHIP_ID_LSB);
- rom_ver = tvp514x_read_reg(decoder->client, REG_ROM_VERSION);
+ chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB);
+ chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB);
+ rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION);
- v4l_dbg(1, debug, decoder->client,
+ v4l2_dbg(1, debug, sd,
"chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n",
chip_id_msb, chip_id_lsb, rom_ver);
if ((chip_id_msb != TVP514X_CHIP_ID_MSB)
/* We didn't read the values we expected, so this must not be
* an TVP5146/47.
*/
- v4l_err(decoder->client,
- "chip id mismatch msb:0x%x lsb:0x%x\n",
- chip_id_msb, chip_id_lsb);
+ v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n",
+ chip_id_msb, chip_id_lsb);
return -ENODEV;
}
decoder->ver = rom_ver;
- decoder->state = STATE_DETECTED;
- v4l_info(decoder->client,
- "%s found at 0x%x (%s)\n", decoder->client->name,
- decoder->client->addr << 1,
- decoder->client->adapter->name);
+ v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n",
+ client->name, decoder->ver,
+ client->addr << 1, client->adapter->name);
return 0;
}
* TVP5146/47 decoder driver.
*/
-/**
- * ioctl_querystd - V4L2 decoder interface handler for VIDIOC_QUERYSTD ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_querystd - V4L2 decoder interface handler for VIDIOC_QUERYSTD ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @std_id: standard V4L2 std_id ioctl enum
*
* Returns the current standard detected by TVP5146/47. If no active input is
* detected, returns -EINVAL
*/
-static int ioctl_querystd(struct v4l2_int_device *s, v4l2_std_id *std_id)
+static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
enum tvp514x_std current_std;
enum tvp514x_input input_sel;
u8 sync_lock_status, lock_mask;
return -EINVAL;
/* get the current standard */
- current_std = tvp514x_get_current_std(decoder);
+ current_std = tvp514x_get_current_std(sd);
if (current_std == STD_INVALID)
return -EINVAL;
- input_sel = decoder->route.input;
+ input_sel = decoder->input;
switch (input_sel) {
case INPUT_CVBS_VI1A:
return -EINVAL;
}
/* check whether signal is locked */
- sync_lock_status = tvp514x_read_reg(decoder->client, REG_STATUS1);
+ sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1);
if (lock_mask != (sync_lock_status & lock_mask))
return -EINVAL; /* No input detected */
decoder->current_std = current_std;
*std_id = decoder->std_list[current_std].standard.id;
- v4l_dbg(1, debug, decoder->client, "Current STD: %s",
+ v4l2_dbg(1, debug, sd, "Current STD: %s",
decoder->std_list[current_std].standard.name);
return 0;
}
-/**
- * ioctl_s_std - V4L2 decoder interface handler for VIDIOC_S_STD ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_s_std - V4L2 decoder interface handler for VIDIOC_S_STD ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @std_id: standard V4L2 v4l2_std_id ioctl enum
*
* If std_id is supported, sets the requested standard. Otherwise, returns
* -EINVAL
*/
-static int ioctl_s_std(struct v4l2_int_device *s, v4l2_std_id *std_id)
+static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
int err, i;
- if (std_id == NULL)
- return -EINVAL;
-
for (i = 0; i < decoder->num_stds; i++)
- if (*std_id & decoder->std_list[i].standard.id)
+ if (std_id & decoder->std_list[i].standard.id)
break;
if ((i == decoder->num_stds) || (i == STD_INVALID))
return -EINVAL;
- err = tvp514x_write_reg(decoder->client, REG_VIDEO_STD,
+ err = tvp514x_write_reg(sd, REG_VIDEO_STD,
decoder->std_list[i].video_std);
if (err)
return err;
decoder->tvp514x_regs[REG_VIDEO_STD].val =
decoder->std_list[i].video_std;
- v4l_dbg(1, debug, decoder->client, "Standard set to: %s",
+ v4l2_dbg(1, debug, sd, "Standard set to: %s",
decoder->std_list[i].standard.name);
return 0;
}
-/**
- * ioctl_s_routing - V4L2 decoder interface handler for VIDIOC_S_INPUT ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_s_routing - V4L2 decoder interface handler for VIDIOC_S_INPUT ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @index: number of the input
*
* If index is valid, selects the requested input. Otherwise, returns -EINVAL if
* the input is not supported or there is no active signal present in the
* selected input.
*/
-static int ioctl_s_routing(struct v4l2_int_device *s,
- struct v4l2_routing *route)
+static int tvp514x_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
int err;
enum tvp514x_input input_sel;
enum tvp514x_output output_sel;
u8 sync_lock_status, lock_mask;
int try_count = LOCK_RETRY_COUNT;
- if ((!route) || (route->input >= INPUT_INVALID) ||
- (route->output >= OUTPUT_INVALID))
+ if ((input >= INPUT_INVALID) ||
+ (output >= OUTPUT_INVALID))
return -EINVAL; /* Index out of bound */
- input_sel = route->input;
- output_sel = route->output;
+ input_sel = input;
+ output_sel = output;
- err = tvp514x_write_reg(decoder->client, REG_INPUT_SEL, input_sel);
+ err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel);
if (err)
return err;
- output_sel |= tvp514x_read_reg(decoder->client,
+ output_sel |= tvp514x_read_reg(sd,
REG_OUTPUT_FORMATTER1) & 0x7;
- err = tvp514x_write_reg(decoder->client, REG_OUTPUT_FORMATTER1,
+ err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1,
output_sel);
if (err)
return err;
/* Clear status */
msleep(LOCK_RETRY_DELAY);
err =
- tvp514x_write_reg(decoder->client, REG_CLEAR_LOST_LOCK, 0x01);
+ tvp514x_write_reg(sd, REG_CLEAR_LOST_LOCK, 0x01);
if (err)
return err;
msleep(LOCK_RETRY_DELAY);
/* get the current standard for future reference */
- current_std = tvp514x_get_current_std(decoder);
+ current_std = tvp514x_get_current_std(sd);
if (current_std == STD_INVALID)
continue;
- sync_lock_status = tvp514x_read_reg(decoder->client,
+ sync_lock_status = tvp514x_read_reg(sd,
REG_STATUS1);
if (lock_mask == (sync_lock_status & lock_mask))
break; /* Input detected */
return -EINVAL;
decoder->current_std = current_std;
- decoder->route.input = route->input;
- decoder->route.output = route->output;
+ decoder->input = input;
+ decoder->output = output;
- v4l_dbg(1, debug, decoder->client,
- "Input set to: %d, std : %d",
+ v4l2_dbg(1, debug, sd, "Input set to: %d, std : %d",
input_sel, current_std);
return 0;
}
-/**
- * ioctl_queryctrl - V4L2 decoder interface handler for VIDIOC_QUERYCTRL ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_queryctrl - V4L2 decoder interface handler for VIDIOC_QUERYCTRL ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @qctrl: standard V4L2 v4l2_queryctrl structure
*
* If the requested control is supported, returns the control information.
* Otherwise, returns -EINVAL if the control is not supported.
*/
static int
-ioctl_queryctrl(struct v4l2_int_device *s, struct v4l2_queryctrl *qctrl)
+tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl)
{
- struct tvp514x_decoder *decoder = s->priv;
int err = -EINVAL;
if (qctrl == NULL)
err = v4l2_ctrl_query_fill(qctrl, -180, 180, 180, 0);
break;
case V4L2_CID_AUTOGAIN:
- /* Autogain is either 0 or 1*/
- memcpy(qctrl, &tvp514x_autogain_ctrl,
- sizeof(struct v4l2_queryctrl));
- err = 0;
+ /*
+ * Auto Gain supported is -
+ * 0 - 1 (Default - 1)
+ */
+ err = v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
break;
default:
- v4l_err(decoder->client,
- "invalid control id %d\n", qctrl->id);
+ v4l2_err(sd, "invalid control id %d\n", qctrl->id);
return err;
}
- v4l_dbg(1, debug, decoder->client,
- "Query Control: %s : Min - %d, Max - %d, Def - %d",
- qctrl->name,
- qctrl->minimum,
- qctrl->maximum,
+ v4l2_dbg(1, debug, sd, "Query Control:%s: Min - %d, Max - %d, Def - %d",
+ qctrl->name, qctrl->minimum, qctrl->maximum,
qctrl->default_value);
return err;
}
-/**
- * ioctl_g_ctrl - V4L2 decoder interface handler for VIDIOC_G_CTRL ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_g_ctrl - V4L2 decoder interface handler for VIDIOC_G_CTRL ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @ctrl: pointer to v4l2_control structure
*
* If the requested control is supported, returns the control's current
* supported.
*/
static int
-ioctl_g_ctrl(struct v4l2_int_device *s, struct v4l2_control *ctrl)
+tvp514x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
if (ctrl == NULL)
return -EINVAL;
break;
default:
- v4l_err(decoder->client,
- "invalid control id %d\n", ctrl->id);
+ v4l2_err(sd, "invalid control id %d\n", ctrl->id);
return -EINVAL;
}
- v4l_dbg(1, debug, decoder->client,
- "Get Control: ID - %d - %d",
+ v4l2_dbg(1, debug, sd, "Get Control: ID - %d - %d",
ctrl->id, ctrl->value);
return 0;
}
-/**
- * ioctl_s_ctrl - V4L2 decoder interface handler for VIDIOC_S_CTRL ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_s_ctrl - V4L2 decoder interface handler for VIDIOC_S_CTRL ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @ctrl: pointer to v4l2_control structure
*
* If the requested control is supported, sets the control's current
* value in HW. Otherwise, returns -EINVAL if the control is not supported.
*/
static int
-ioctl_s_ctrl(struct v4l2_int_device *s, struct v4l2_control *ctrl)
+tvp514x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
int err = -EINVAL, value;
if (ctrl == NULL)
return err;
- value = (__s32) ctrl->value;
+ value = ctrl->value;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value < 0 || ctrl->value > 255) {
- v4l_err(decoder->client,
- "invalid brightness setting %d\n",
+ v4l2_err(sd, "invalid brightness setting %d\n",
ctrl->value);
return -ERANGE;
}
- err = tvp514x_write_reg(decoder->client, REG_BRIGHTNESS,
+ err = tvp514x_write_reg(sd, REG_BRIGHTNESS,
value);
if (err)
return err;
+
decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;
break;
case V4L2_CID_CONTRAST:
if (ctrl->value < 0 || ctrl->value > 255) {
- v4l_err(decoder->client,
- "invalid contrast setting %d\n",
+ v4l2_err(sd, "invalid contrast setting %d\n",
ctrl->value);
return -ERANGE;
}
- err = tvp514x_write_reg(decoder->client, REG_CONTRAST,
- value);
+ err = tvp514x_write_reg(sd, REG_CONTRAST, value);
if (err)
return err;
+
decoder->tvp514x_regs[REG_CONTRAST].val = value;
break;
case V4L2_CID_SATURATION:
if (ctrl->value < 0 || ctrl->value > 255) {
- v4l_err(decoder->client,
- "invalid saturation setting %d\n",
+ v4l2_err(sd, "invalid saturation setting %d\n",
ctrl->value);
return -ERANGE;
}
- err = tvp514x_write_reg(decoder->client, REG_SATURATION,
- value);
+ err = tvp514x_write_reg(sd, REG_SATURATION, value);
if (err)
return err;
+
decoder->tvp514x_regs[REG_SATURATION].val = value;
break;
case V4L2_CID_HUE:
else if (value == 0)
value = 0;
else {
- v4l_err(decoder->client,
- "invalid hue setting %d\n",
- ctrl->value);
+ v4l2_err(sd, "invalid hue setting %d\n", ctrl->value);
return -ERANGE;
}
- err = tvp514x_write_reg(decoder->client, REG_HUE,
- value);
+ err = tvp514x_write_reg(sd, REG_HUE, value);
if (err)
return err;
+
decoder->tvp514x_regs[REG_HUE].val = value;
break;
case V4L2_CID_AUTOGAIN:
else if (value == 0)
value = 0x0C;
else {
- v4l_err(decoder->client,
- "invalid auto gain setting %d\n",
+ v4l2_err(sd, "invalid auto gain setting %d\n",
ctrl->value);
return -ERANGE;
}
- err = tvp514x_write_reg(decoder->client, REG_AFE_GAIN_CTRL,
- value);
+ err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value);
if (err)
return err;
+
decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;
break;
default:
- v4l_err(decoder->client,
- "invalid control id %d\n", ctrl->id);
+ v4l2_err(sd, "invalid control id %d\n", ctrl->id);
return err;
}
- v4l_dbg(1, debug, decoder->client,
- "Set Control: ID - %d - %d",
+ v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d",
ctrl->id, ctrl->value);
return err;
}
-/**
- * ioctl_enum_fmt_cap - Implement the CAPTURE buffer VIDIOC_ENUM_FMT ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_enum_fmt_cap - Implement the CAPTURE buffer VIDIOC_ENUM_FMT ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @fmt: standard V4L2 VIDIOC_ENUM_FMT ioctl structure
*
* Implement the VIDIOC_ENUM_FMT ioctl to enumerate supported formats
*/
static int
-ioctl_enum_fmt_cap(struct v4l2_int_device *s, struct v4l2_fmtdesc *fmt)
+tvp514x_enum_fmt_cap(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
int index;
if (fmt == NULL)
memcpy(fmt, &decoder->fmt_list[index],
sizeof(struct v4l2_fmtdesc));
- v4l_dbg(1, debug, decoder->client,
- "Current FMT: index - %d (%s)",
+ v4l2_dbg(1, debug, sd, "Current FMT: index - %d (%s)",
decoder->fmt_list[index].index,
decoder->fmt_list[index].description);
return 0;
}
-/**
- * ioctl_try_fmt_cap - Implement the CAPTURE buffer VIDIOC_TRY_FMT ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_try_fmt_cap - Implement the CAPTURE buffer VIDIOC_TRY_FMT ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure
*
* Implement the VIDIOC_TRY_FMT ioctl for the CAPTURE buffer type. This
* without actually making it take effect.
*/
static int
-ioctl_try_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f)
+tvp514x_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
int ifmt;
struct v4l2_pix_format *pix;
enum tvp514x_std current_std;
pix = &f->fmt.pix;
/* Calculate height and width based on current standard */
- current_std = tvp514x_get_current_std(decoder);
+ current_std = tvp514x_get_current_std(sd);
if (current_std == STD_INVALID)
return -EINVAL;
pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
pix->priv = 0;
- v4l_dbg(1, debug, decoder->client,
- "Try FMT: pixelformat - %s, bytesperline - %d"
+ v4l2_dbg(1, debug, sd, "Try FMT: pixelformat - %s, bytesperline - %d"
"Width - %d, Height - %d",
decoder->fmt_list[ifmt].description, pix->bytesperline,
pix->width, pix->height);
return 0;
}
-/**
- * ioctl_s_fmt_cap - V4L2 decoder interface handler for VIDIOC_S_FMT ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_s_fmt_cap - V4L2 decoder interface handler for VIDIOC_S_FMT ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @f: pointer to standard V4L2 VIDIOC_S_FMT ioctl structure
*
* If the requested format is supported, configures the HW to use that
* correctly configured.
*/
static int
-ioctl_s_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f)
+tvp514x_s_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
struct v4l2_pix_format *pix;
int rval;
return -EINVAL; /* only capture is supported */
pix = &f->fmt.pix;
- rval = ioctl_try_fmt_cap(s, f);
+ rval = tvp514x_try_fmt_cap(sd, f);
if (rval)
return rval;
return rval;
}
-/**
- * ioctl_g_fmt_cap - V4L2 decoder interface handler for ioctl_g_fmt_cap
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_g_fmt_cap - V4L2 decoder interface handler for tvp514x_g_fmt_cap
+ * @sd: pointer to standard V4L2 sub-device structure
* @f: pointer to standard V4L2 v4l2_format structure
*
* Returns the decoder's current pixel format in the v4l2_format
* parameter.
*/
static int
-ioctl_g_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f)
+tvp514x_g_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
if (f == NULL)
return -EINVAL;
f->fmt.pix = decoder->pix;
- v4l_dbg(1, debug, decoder->client,
- "Current FMT: bytesperline - %d"
+ v4l2_dbg(1, debug, sd, "Current FMT: bytesperline - %d"
"Width - %d, Height - %d",
decoder->pix.bytesperline,
decoder->pix.width, decoder->pix.height);
return 0;
}
-/**
- * ioctl_g_parm - V4L2 decoder interface handler for VIDIOC_G_PARM ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_g_parm - V4L2 decoder interface handler for VIDIOC_G_PARM ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure
*
* Returns the decoder's video CAPTURE parameters.
*/
static int
-ioctl_g_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a)
+tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
struct v4l2_captureparm *cparm;
enum tvp514x_std current_std;
a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
/* get the current standard */
- current_std = tvp514x_get_current_std(decoder);
+ current_std = tvp514x_get_current_std(sd);
if (current_std == STD_INVALID)
return -EINVAL;
return 0;
}
-/**
- * ioctl_s_parm - V4L2 decoder interface handler for VIDIOC_S_PARM ioctl
- * @s: pointer to standard V4L2 device structure
+/*
+ * tvp514x_s_parm - V4L2 decoder interface handler for VIDIOC_S_PARM ioctl
+ * @sd: pointer to standard V4L2 sub-device structure
* @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure
*
* Configures the decoder to use the input parameters, if possible. If
* not possible, returns the appropriate error code.
*/
static int
-ioctl_s_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a)
+tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
{
- struct tvp514x_decoder *decoder = s->priv;
+ struct tvp514x_decoder *decoder = to_decoder(sd);
struct v4l2_fract *timeperframe;
enum tvp514x_std current_std;
timeperframe = &a->parm.capture.timeperframe;
/* get the current standard */
- current_std = tvp514x_get_current_std(decoder);
+ current_std = tvp514x_get_current_std(sd);
if (current_std == STD_INVALID)
return -EINVAL;
return 0;
}
-/**
- * ioctl_g_ifparm - V4L2 decoder interface handler for vidioc_int_g_ifparm_num
- * @s: pointer to standard V4L2 device structure
- * @p: pointer to standard V4L2 vidioc_int_g_ifparm_num ioctl structure
- *
- * Gets slave interface parameters.
- * Calculates the required xclk value to support the requested
- * clock parameters in p. This value is returned in the p
- * parameter.
- */
-static int ioctl_g_ifparm(struct v4l2_int_device *s, struct v4l2_ifparm *p)
-{
- struct tvp514x_decoder *decoder = s->priv;
- int rval;
-
- if (p == NULL)
- return -EINVAL;
-
- if (NULL == decoder->pdata->ifparm)
- return -EINVAL;
-
- rval = decoder->pdata->ifparm(p);
- if (rval) {
- v4l_err(decoder->client, "g_ifparm.Err[%d]\n", rval);
- return rval;
- }
-
- p->u.bt656.clock_curr = TVP514X_XCLK_BT656;
-
- return 0;
-}
-
-/**
- * ioctl_g_priv - V4L2 decoder interface handler for vidioc_int_g_priv_num
- * @s: pointer to standard V4L2 device structure
- * @p: void pointer to hold decoder's private data address
- *
- * Returns device's (decoder's) private data area address in p parameter
- */
-static int ioctl_g_priv(struct v4l2_int_device *s, void *p)
-{
- struct tvp514x_decoder *decoder = s->priv;
-
- if (NULL == decoder->pdata->priv_data_set)
- return -EINVAL;
-
- return decoder->pdata->priv_data_set(p);
-}
-
-/**
- * ioctl_s_power - V4L2 decoder interface handler for vidioc_int_s_power_num
- * @s: pointer to standard V4L2 device structure
- * @on: power state to which device is to be set
+/*
+ * tvp514x_s_stream - V4L2 decoder interface handler for vidioc_int_s_power_num
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @enable: streaming enable or disable
*
- * Sets devices power state to requrested state, if possible.
+ * Sets streaming to enable or disable, if possible.
*/
-static int ioctl_s_power(struct v4l2_int_device *s, enum v4l2_power on)
+static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable)
{
- struct tvp514x_decoder *decoder = s->priv;
int err = 0;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct tvp514x_decoder *decoder = to_decoder(sd);
- switch (on) {
- case V4L2_POWER_OFF:
- /* Power Down Sequence */
- err =
- tvp514x_write_reg(decoder->client, REG_OPERATION_MODE,
- 0x01);
- /* Disable mux for TVP5146/47 decoder data path */
- if (decoder->pdata->power_set)
- err |= decoder->pdata->power_set(on);
- decoder->state = STATE_NOT_DETECTED;
- break;
+ if (decoder->streaming == enable)
+ return 0;
- case V4L2_POWER_STANDBY:
- if (decoder->pdata->power_set)
- err = decoder->pdata->power_set(on);
+ switch (enable) {
+ case 0:
+ {
+ /* Power Down Sequence */
+ err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01);
+ if (err) {
+ v4l2_err(sd, "Unable to turn off decoder\n");
+ return err;
+ }
+ decoder->streaming = enable;
break;
+ }
+ case 1:
+ {
+ struct tvp514x_reg *int_seq = (struct tvp514x_reg *)
+ client->driver->id_table->driver_data;
- case V4L2_POWER_ON:
- /* Enable mux for TVP5146/47 decoder data path */
- if ((decoder->pdata->power_set) &&
- (decoder->state == STATE_NOT_DETECTED)) {
- int i;
- struct tvp514x_init_seq *int_seq =
- (struct tvp514x_init_seq *)
- decoder->id->driver_data;
-
- err = decoder->pdata->power_set(on);
-
- /* Power Up Sequence */
- for (i = 0; i < int_seq->no_regs; i++) {
- err |= tvp514x_write_reg(decoder->client,
- int_seq->init_reg_seq[i].reg,
- int_seq->init_reg_seq[i].val);
- }
- /* Detect the sensor is not already detected */
- err |= tvp514x_detect(decoder);
- if (err) {
- v4l_err(decoder->client,
- "Unable to detect decoder\n");
- return err;
- }
+ /* Power Up Sequence */
+ err = tvp514x_write_regs(sd, int_seq);
+ if (err) {
+ v4l2_err(sd, "Unable to turn on decoder\n");
+ return err;
+ }
+ /* Detect if not already detected */
+ err = tvp514x_detect(sd, decoder);
+ if (err) {
+ v4l2_err(sd, "Unable to detect decoder\n");
+ return err;
}
- err |= tvp514x_configure(decoder);
+ err = tvp514x_configure(sd, decoder);
+ if (err) {
+ v4l2_err(sd, "Unable to configure decoder\n");
+ return err;
+ }
+ decoder->streaming = enable;
break;
-
+ }
default:
err = -ENODEV;
break;
return err;
}
-/**
- * ioctl_init - V4L2 decoder interface handler for VIDIOC_INT_INIT
- * @s: pointer to standard V4L2 device structure
- *
- * Initialize the decoder device (calls tvp514x_configure())
- */
-static int ioctl_init(struct v4l2_int_device *s)
-{
- struct tvp514x_decoder *decoder = s->priv;
-
- /* Set default standard to auto */
- decoder->tvp514x_regs[REG_VIDEO_STD].val =
- VIDEO_STD_AUTO_SWITCH_BIT;
-
- return tvp514x_configure(decoder);
-}
-
-/**
- * ioctl_dev_exit - V4L2 decoder interface handler for vidioc_int_dev_exit_num
- * @s: pointer to standard V4L2 device structure
- *
- * Delinitialise the dev. at slave detach. The complement of ioctl_dev_init.
- */
-static int ioctl_dev_exit(struct v4l2_int_device *s)
-{
- return 0;
-}
-
-/**
- * ioctl_dev_init - V4L2 decoder interface handler for vidioc_int_dev_init_num
- * @s: pointer to standard V4L2 device structure
- *
- * Initialise the device when slave attaches to the master. Returns 0 if
- * TVP5146/47 device could be found, otherwise returns appropriate error.
- */
-static int ioctl_dev_init(struct v4l2_int_device *s)
-{
- struct tvp514x_decoder *decoder = s->priv;
- int err;
-
- err = tvp514x_detect(decoder);
- if (err < 0) {
- v4l_err(decoder->client,
- "Unable to detect decoder\n");
- return err;
- }
-
- v4l_info(decoder->client,
- "chip version 0x%.2x detected\n", decoder->ver);
+static const struct v4l2_subdev_core_ops tvp514x_core_ops = {
+ .queryctrl = tvp514x_queryctrl,
+ .g_ctrl = tvp514x_g_ctrl,
+ .s_ctrl = tvp514x_s_ctrl,
+ .s_std = tvp514x_s_std,
+};
- return 0;
-}
+static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
+ .s_routing = tvp514x_s_routing,
+ .querystd = tvp514x_querystd,
+ .enum_fmt = tvp514x_enum_fmt_cap,
+ .g_fmt = tvp514x_g_fmt_cap,
+ .try_fmt = tvp514x_try_fmt_cap,
+ .s_fmt = tvp514x_s_fmt_cap,
+ .g_parm = tvp514x_g_parm,
+ .s_parm = tvp514x_s_parm,
+ .s_stream = tvp514x_s_stream,
+};
-static struct v4l2_int_ioctl_desc tvp514x_ioctl_desc[] = {
- {vidioc_int_dev_init_num, (v4l2_int_ioctl_func*) ioctl_dev_init},
- {vidioc_int_dev_exit_num, (v4l2_int_ioctl_func*) ioctl_dev_exit},
- {vidioc_int_s_power_num, (v4l2_int_ioctl_func*) ioctl_s_power},
- {vidioc_int_g_priv_num, (v4l2_int_ioctl_func*) ioctl_g_priv},
- {vidioc_int_g_ifparm_num, (v4l2_int_ioctl_func*) ioctl_g_ifparm},
- {vidioc_int_init_num, (v4l2_int_ioctl_func*) ioctl_init},
- {vidioc_int_enum_fmt_cap_num,
- (v4l2_int_ioctl_func *) ioctl_enum_fmt_cap},
- {vidioc_int_try_fmt_cap_num,
- (v4l2_int_ioctl_func *) ioctl_try_fmt_cap},
- {vidioc_int_g_fmt_cap_num,
- (v4l2_int_ioctl_func *) ioctl_g_fmt_cap},
- {vidioc_int_s_fmt_cap_num,
- (v4l2_int_ioctl_func *) ioctl_s_fmt_cap},
- {vidioc_int_g_parm_num, (v4l2_int_ioctl_func *) ioctl_g_parm},
- {vidioc_int_s_parm_num, (v4l2_int_ioctl_func *) ioctl_s_parm},
- {vidioc_int_queryctrl_num,
- (v4l2_int_ioctl_func *) ioctl_queryctrl},
- {vidioc_int_g_ctrl_num, (v4l2_int_ioctl_func *) ioctl_g_ctrl},
- {vidioc_int_s_ctrl_num, (v4l2_int_ioctl_func *) ioctl_s_ctrl},
- {vidioc_int_querystd_num, (v4l2_int_ioctl_func *) ioctl_querystd},
- {vidioc_int_s_std_num, (v4l2_int_ioctl_func *) ioctl_s_std},
- {vidioc_int_s_video_routing_num,
- (v4l2_int_ioctl_func *) ioctl_s_routing},
+static const struct v4l2_subdev_ops tvp514x_ops = {
+ .core = &tvp514x_core_ops,
+ .video = &tvp514x_video_ops,
};
static struct tvp514x_decoder tvp514x_dev = {
- .state = STATE_NOT_DETECTED,
+ .streaming = 0,
.fmt_list = tvp514x_fmt_list,
.num_fmts = ARRAY_SIZE(tvp514x_fmt_list),
- .pix = { /* Default to NTSC 8-bit YUV 422 */
+ .pix = {/* Default to NTSC 8-bit YUV 422 */
.width = NTSC_NUM_ACTIVE_PIXELS,
.height = NTSC_NUM_ACTIVE_LINES,
.pixelformat = V4L2_PIX_FMT_UYVY,
.current_std = STD_NTSC_MJ,
.std_list = tvp514x_std_list,
.num_stds = ARRAY_SIZE(tvp514x_std_list),
- .v4l2_int_device = {
- .module = THIS_MODULE,
- .name = TVP514X_MODULE_NAME,
- .type = v4l2_int_type_slave,
- },
- .tvp514x_slave = {
- .ioctls = tvp514x_ioctl_desc,
- .num_ioctls = ARRAY_SIZE(tvp514x_ioctl_desc),
- },
+
};
-/**
+/*
* tvp514x_probe - decoder driver i2c probe handler
* @client: i2c driver client device structure
+ * @id: i2c driver id table
*
* Register decoder as an i2c client device and V4L2
* device.
tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct tvp514x_decoder *decoder;
- int err;
+ struct v4l2_subdev *sd;
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
+ if (!client->dev.platform_data) {
+ v4l2_err(client, "No platform data!!\n");
+ return -ENODEV;
+ }
+
decoder = kzalloc(sizeof(*decoder), GFP_KERNEL);
if (!decoder)
return -ENOMEM;
- if (!client->dev.platform_data) {
- v4l_err(client, "No platform data!!\n");
- err = -ENODEV;
- goto out_free;
- }
-
+ /*
+ * Initialize the tvp514x_decoder with default configuration
+ */
*decoder = tvp514x_dev;
- decoder->v4l2_int_device.priv = decoder;
- decoder->pdata = client->dev.platform_data;
- decoder->v4l2_int_device.u.slave = &decoder->tvp514x_slave;
+ /* Copy default register configuration */
memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,
sizeof(tvp514x_reg_list_default));
+
+ /*
+ * Copy board specific information here
+ */
+ decoder->pdata = client->dev.platform_data;
+
/*
* Fetch platform specific data, and configure the
* tvp514x_reg_list[] accordingly. Since this is one
* time configuration, no need to preserve.
*/
decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |=
- (decoder->pdata->clk_polarity << 1);
+ (decoder->pdata->clk_polarity << 1);
decoder->tvp514x_regs[REG_SYNC_CONTROL].val |=
- ((decoder->pdata->hs_polarity << 2) |
- (decoder->pdata->vs_polarity << 3));
- /*
- * Save the id data, required for power up sequence
- */
- decoder->id = (struct i2c_device_id *)id;
- /* Attach to Master */
- strcpy(decoder->v4l2_int_device.u.slave->attach_to,
- decoder->pdata->master);
- decoder->client = client;
- i2c_set_clientdata(client, decoder);
+ ((decoder->pdata->hs_polarity << 2) |
+ (decoder->pdata->vs_polarity << 3));
+ /* Set default standard to auto */
+ decoder->tvp514x_regs[REG_VIDEO_STD].val =
+ VIDEO_STD_AUTO_SWITCH_BIT;
/* Register with V4L2 layer as slave device */
- err = v4l2_int_device_register(&decoder->v4l2_int_device);
- if (err) {
- i2c_set_clientdata(client, NULL);
- v4l_err(client,
- "Unable to register to v4l2. Err[%d]\n", err);
- goto out_free;
-
- } else
- v4l_info(client, "Registered to v4l2 master %s!!\n",
- decoder->pdata->master);
+ sd = &decoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &tvp514x_ops);
+
+ v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);
+
return 0;
-out_free:
- kfree(decoder);
- return err;
}
-/**
+/*
* tvp514x_remove - decoder driver i2c remove handler
* @client: i2c driver client device structure
*
* Unregister decoder as an i2c client device and V4L2
* device. Complement of tvp514x_probe().
*/
-static int __exit tvp514x_remove(struct i2c_client *client)
+static int tvp514x_remove(struct i2c_client *client)
{
- struct tvp514x_decoder *decoder = i2c_get_clientdata(client);
-
- if (!client->adapter)
- return -ENODEV; /* our client isn't attached */
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct tvp514x_decoder *decoder = to_decoder(sd);
- v4l2_int_device_unregister(&decoder->v4l2_int_device);
- i2c_set_clientdata(client, NULL);
+ v4l2_device_unregister_subdev(sd);
kfree(decoder);
return 0;
}
{TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
{TOK_WRITE, REG_OPERATION_MODE, 0x01},
{TOK_WRITE, REG_OPERATION_MODE, 0x00},
+ {TOK_TERM, 0, 0},
};
-static const struct tvp514x_init_seq tvp5146_init = {
- .no_regs = ARRAY_SIZE(tvp5146_init_reg_seq),
- .init_reg_seq = tvp5146_init_reg_seq,
-};
+
/*
* TVP5147 Init/Power on Sequence
*/
{TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
{TOK_WRITE, REG_OPERATION_MODE, 0x01},
{TOK_WRITE, REG_OPERATION_MODE, 0x00},
+ {TOK_TERM, 0, 0},
};
-static const struct tvp514x_init_seq tvp5147_init = {
- .no_regs = ARRAY_SIZE(tvp5147_init_reg_seq),
- .init_reg_seq = tvp5147_init_reg_seq,
-};
+
/*
* TVP5146M2/TVP5147M1 Init/Power on Sequence
*/
static const struct tvp514x_reg tvp514xm_init_reg_seq[] = {
{TOK_WRITE, REG_OPERATION_MODE, 0x01},
{TOK_WRITE, REG_OPERATION_MODE, 0x00},
+ {TOK_TERM, 0, 0},
};
-static const struct tvp514x_init_seq tvp514xm_init = {
- .no_regs = ARRAY_SIZE(tvp514xm_init_reg_seq),
- .init_reg_seq = tvp514xm_init_reg_seq,
-};
+
/*
* I2C Device Table -
*
* driver_data - Driver data
*/
static const struct i2c_device_id tvp514x_id[] = {
- {"tvp5146", (unsigned long)&tvp5146_init},
- {"tvp5146m2", (unsigned long)&tvp514xm_init},
- {"tvp5147", (unsigned long)&tvp5147_init},
- {"tvp5147m1", (unsigned long)&tvp514xm_init},
+ {"tvp5146", (unsigned long)tvp5146_init_reg_seq},
+ {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq},
+ {"tvp5147", (unsigned long)tvp5147_init_reg_seq},
+ {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq},
{},
};
MODULE_DEVICE_TABLE(i2c, tvp514x_id);
-static struct i2c_driver tvp514x_i2c_driver = {
+static struct i2c_driver tvp514x_driver = {
.driver = {
- .name = TVP514X_MODULE_NAME,
- .owner = THIS_MODULE,
- },
+ .owner = THIS_MODULE,
+ .name = TVP514X_MODULE_NAME,
+ },
.probe = tvp514x_probe,
- .remove = __exit_p(tvp514x_remove),
+ .remove = tvp514x_remove,
.id_table = tvp514x_id,
};
-/**
- * tvp514x_init
- *
- * Module init function
- */
static int __init tvp514x_init(void)
{
- return i2c_add_driver(&tvp514x_i2c_driver);
+ return i2c_add_driver(&tvp514x_driver);
}
-/**
- * tvp514x_cleanup
- *
- * Module exit function
- */
-static void __exit tvp514x_cleanup(void)
+static void __exit tvp514x_exit(void)
{
- i2c_del_driver(&tvp514x_i2c_driver);
+ i2c_del_driver(&tvp514x_driver);
}
module_init(tvp514x_init);
-module_exit(tvp514x_cleanup);
-
-MODULE_AUTHOR("Texas Instruments");
-MODULE_DESCRIPTION("TVP514X linux decoder driver");
-MODULE_LICENSE("GPL");
+module_exit(tvp514x_exit);
git.openpandora.org / pandora-kernel.git / commitdiff