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Commit c1c9d09c authored by Muralidharan Karicheri's avatar Muralidharan Karicheri Committed by Mauro Carvalho Chehab
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V4L/DVB (12247): tvp514x: formatting comments as per kernel documentation 

Fix documentation style based on comments from Mauro.

Reviewed by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMuralidharan Karicheri <m-karicheri2@ti.com>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 62ef80a1
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Showing with 157 additions and 118 deletions
drivers/media/video/tvp514x.c
View file @ c1c9d09c
...@@ -56,16 +56,14 @@ MODULE_AUTHOR("Texas Instruments"); ...@@ -56,16 +56,14 @@ MODULE_AUTHOR("Texas Instruments");
MODULE_DESCRIPTION("TVP514X linux decoder driver"); MODULE_DESCRIPTION("TVP514X linux decoder driver");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
/* /* enum tvp514x_std - enum for supported standards */
* enum tvp514x_std - enum for supported standards
*/
enum tvp514x_std { enum tvp514x_std {
STD_NTSC_MJ = 0, STD_NTSC_MJ = 0,
STD_PAL_BDGHIN, STD_PAL_BDGHIN,
STD_INVALID STD_INVALID
}; };
/* /**
* struct tvp514x_std_info - Structure to store standard informations * struct tvp514x_std_info - Structure to store standard informations
* @width: Line width in pixels * @width: Line width in pixels
* @height:Number of active lines * @height:Number of active lines
...@@ -80,7 +78,7 @@ struct tvp514x_std_info { ...@@ -80,7 +78,7 @@ struct tvp514x_std_info {
}; };
static struct tvp514x_reg tvp514x_reg_list_default[0x40]; static struct tvp514x_reg tvp514x_reg_list_default[0x40];
/* /**
* struct tvp514x_decoder - TVP5146/47 decoder object * struct tvp514x_decoder - TVP5146/47 decoder object
* @sd: Subdevice Slave handle * @sd: Subdevice Slave handle
* @tvp514x_regs: copy of hw's regs with preset values. * @tvp514x_regs: copy of hw's regs with preset values.
...@@ -111,18 +109,18 @@ struct tvp514x_decoder { ...@@ -111,18 +109,18 @@ struct tvp514x_decoder {
enum tvp514x_std current_std; enum tvp514x_std current_std;
int num_stds; int num_stds;
struct tvp514x_std_info *std_list; struct tvp514x_std_info *std_list;
/* /* Input and Output Routing parameters */
* Input and Output Routing parameters
*/
u32 input; u32 input;
u32 output; u32 output;
}; };
/* TVP514x default register values */ /* TVP514x default register values */
static struct tvp514x_reg tvp514x_reg_list_default[] = { static struct tvp514x_reg tvp514x_reg_list_default[] = {
{TOK_WRITE, REG_INPUT_SEL, 0x05}, /* Composite selected */ /* Composite selected */
{TOK_WRITE, REG_INPUT_SEL, 0x05},
{TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F},
{TOK_WRITE, REG_VIDEO_STD, 0x00}, /* Auto mode */ /* Auto mode */
{TOK_WRITE, REG_VIDEO_STD, 0x00},
{TOK_WRITE, REG_OPERATION_MODE, 0x00}, {TOK_WRITE, REG_OPERATION_MODE, 0x00},
{TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F},
{TOK_WRITE, REG_COLOR_KILLER, 0x10}, {TOK_WRITE, REG_COLOR_KILLER, 0x10},
...@@ -135,53 +133,73 @@ static struct tvp514x_reg tvp514x_reg_list_default[] = { ...@@ -135,53 +133,73 @@ static struct tvp514x_reg tvp514x_reg_list_default[] = {
{TOK_WRITE, REG_HUE, 0x00}, {TOK_WRITE, REG_HUE, 0x00},
{TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00},
{TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E},
{TOK_SKIP, 0x0F, 0x00}, /* Reserved */ /* Reserved */
{TOK_SKIP, 0x0F, 0x00},
{TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80},
{TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80},
{TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80},
{TOK_SKIP, 0x13, 0x00}, /* Reserved */ /* Reserved */
{TOK_SKIP, 0x13, 0x00},
{TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80},
{TOK_SKIP, 0x15, 0x00}, /* Reserved */ /* Reserved */
{TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, /* NTSC timing */ {TOK_SKIP, 0x15, 0x00},
/* NTSC timing */
{TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55},
{TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00},
{TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25},
{TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03},
{TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, /* NTSC timing */ /* NTSC timing */
{TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00},
{TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00},
{TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40},
{TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00},
{TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, /* NTSC timing */ /* NTSC timing */
{TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04},
{TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00},
{TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07},
{TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00},
{TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, /* NTSC timing */ /* NTSC timing */
{TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01},
{TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00},
{TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15},
{TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00},
{TOK_SKIP, 0x26, 0x00}, /* Reserved */ /* Reserved */
{TOK_SKIP, 0x27, 0x00}, /* Reserved */ {TOK_SKIP, 0x26, 0x00},
/* Reserved */
{TOK_SKIP, 0x27, 0x00},
{TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC},
{TOK_SKIP, 0x29, 0x00}, /* Reserved */ /* Reserved */
{TOK_SKIP, 0x29, 0x00},
{TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00},
{TOK_SKIP, 0x2B, 0x00}, /* Reserved */ /* Reserved */
{TOK_SKIP, 0x2B, 0x00},
{TOK_SKIP, REG_SCART_DELAY, 0x00}, {TOK_SKIP, REG_SCART_DELAY, 0x00},
{TOK_SKIP, REG_CTI_DELAY, 0x00}, {TOK_SKIP, REG_CTI_DELAY, 0x00},
{TOK_SKIP, REG_CTI_CONTROL, 0x00}, {TOK_SKIP, REG_CTI_CONTROL, 0x00},
{TOK_SKIP, 0x2F, 0x00}, /* Reserved */ /* Reserved */
{TOK_SKIP, 0x30, 0x00}, /* Reserved */ {TOK_SKIP, 0x2F, 0x00},
{TOK_SKIP, 0x31, 0x00}, /* Reserved */ /* Reserved */
{TOK_WRITE, REG_SYNC_CONTROL, 0x00}, /* HS, VS active high */ {TOK_SKIP, 0x30, 0x00},
{TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, /* 10-bit BT.656 */ /* Reserved */
{TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, /* Enable clk & data */ {TOK_SKIP, 0x31, 0x00},
{TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, /* Enable AVID & FLD */ /* HS, VS active high */
{TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, /* Enable VS & HS */ {TOK_WRITE, REG_SYNC_CONTROL, 0x00},
/* 10-bit BT.656 */
{TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00},
/* Enable clk & data */
{TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11},
/* Enable AVID & FLD */
{TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE},
/* Enable VS & HS */
{TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF},
{TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF},
{TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF},
{TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, /* Clear status */ /* Clear status */
{TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01},
{TOK_TERM, 0, 0}, {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 * Currently we are using 8 bit mode only, but can be
* extended to 10/20 bit mode. * extended to 10/20 bit mode.
...@@ -196,7 +214,7 @@ static const struct v4l2_fmtdesc tvp514x_fmt_list[] = { ...@@ -196,7 +214,7 @@ static const struct v4l2_fmtdesc tvp514x_fmt_list[] = {
}, },
}; };
/* /**
* Supported standards - * Supported standards -
* *
* Currently supports two standards only, need to add support for rest of the * Currently supports two standards only, need to add support for rest of the
...@@ -239,8 +257,11 @@ static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd) ...@@ -239,8 +257,11 @@ static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd)
} }
/* /**
* Read a value from a register in an TVP5146/47 decoder device. * tvp514x_read_reg() - Read a value from a register in an TVP5146/47.
* @sd: ptr to v4l2_subdev struct
* @reg: TVP5146/47 register address
*
* Returns value read if successful, or non-zero (-1) otherwise. * Returns value read if successful, or non-zero (-1) otherwise.
*/ */
static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg) static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
...@@ -263,6 +284,11 @@ static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg) ...@@ -263,6 +284,11 @@ static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
return err; return err;
} }
/**
* dump_reg() - dump the register content of TVP5146/47.
* @sd: ptr to v4l2_subdev struct
* @reg: TVP5146/47 register address
*/
static void dump_reg(struct v4l2_subdev *sd, u8 reg) static void dump_reg(struct v4l2_subdev *sd, u8 reg)
{ {
u32 val; u32 val;
...@@ -271,7 +297,12 @@ static void dump_reg(struct v4l2_subdev *sd, u8 reg) ...@@ -271,7 +297,12 @@ static void dump_reg(struct v4l2_subdev *sd, u8 reg)
v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val); v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val);
} }
/* /**
* tvp514x_write_reg() - Write a value to a register in TVP5146/47
* @sd: ptr to v4l2_subdev struct
* @reg: TVP5146/47 register address
* @val: value to be written to the register
*
* Write a value to a register in an TVP5146/47 decoder device. * Write a value to a register in an TVP5146/47 decoder device.
* Returns zero if successful, or non-zero otherwise. * Returns zero if successful, or non-zero otherwise.
*/ */
...@@ -295,14 +326,16 @@ static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val) ...@@ -295,14 +326,16 @@ static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val)
return err; return err;
} }
/* /**
* tvp514x_write_regs : Initializes a list of TVP5146/47 registers * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers
* @sd: ptr to v4l2_subdev struct
* @reglist: list of TVP5146/47 registers and values
*
* Initializes a list of TVP5146/47 registers:-
* if token is TOK_TERM, then entire write operation terminates * if token is TOK_TERM, then entire write operation terminates
* if token is TOK_DELAY, then a delay of 'val' msec is introduced * if token is TOK_DELAY, then a delay of 'val' msec is introduced
* if token is TOK_SKIP, then the register write is skipped * if token is TOK_SKIP, then the register write is skipped
* if token is TOK_WRITE, then the register write is performed * if token is TOK_WRITE, then the register write is performed
*
* reglist - list of registers to be written
* Returns zero if successful, or non-zero otherwise. * Returns zero if successful, or non-zero otherwise.
*/ */
static int tvp514x_write_regs(struct v4l2_subdev *sd, static int tvp514x_write_regs(struct v4l2_subdev *sd,
...@@ -329,9 +362,12 @@ static int tvp514x_write_regs(struct v4l2_subdev *sd, ...@@ -329,9 +362,12 @@ static int tvp514x_write_regs(struct v4l2_subdev *sd,
return 0; return 0;
} }
/* /**
* tvp514x_get_current_std: * tvp514x_get_current_std() : Get the current standard detected by TVP5146/47
* Returns the current standard detected by TVP5146/47 * @sd: ptr to v4l2_subdev struct
*
* Get current standard detected by TVP5146/47, STD_INVALID if there is no
* standard detected.
*/ */
static enum tvp514x_std tvp514x_get_current_std(struct v4l2_subdev *sd) static enum tvp514x_std tvp514x_get_current_std(struct v4l2_subdev *sd)
{ {
...@@ -342,7 +378,8 @@ static enum tvp514x_std tvp514x_get_current_std(struct v4l2_subdev *sd) ...@@ -342,7 +378,8 @@ static enum tvp514x_std tvp514x_get_current_std(struct v4l2_subdev *sd)
/* use the standard status register */ /* use the standard status register */
std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS); std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS);
else else
std_status = std; /* use the standard register itself */ /* use the standard register itself */
std_status = std;
switch (std_status & VIDEO_STD_MASK) { switch (std_status & VIDEO_STD_MASK) {
case VIDEO_STD_NTSC_MJ_BIT: case VIDEO_STD_NTSC_MJ_BIT:
...@@ -358,9 +395,7 @@ static enum tvp514x_std tvp514x_get_current_std(struct v4l2_subdev *sd) ...@@ -358,9 +395,7 @@ static enum tvp514x_std tvp514x_get_current_std(struct v4l2_subdev *sd)
return STD_INVALID; return STD_INVALID;
} }
/* /* TVP5146/47 register dump function */
* TVP5146/47 register dump function
*/
static void tvp514x_reg_dump(struct v4l2_subdev *sd) static void tvp514x_reg_dump(struct v4l2_subdev *sd)
{ {
dump_reg(sd, REG_INPUT_SEL); dump_reg(sd, REG_INPUT_SEL);
...@@ -407,8 +442,11 @@ static void tvp514x_reg_dump(struct v4l2_subdev *sd) ...@@ -407,8 +442,11 @@ static void tvp514x_reg_dump(struct v4l2_subdev *sd)
dump_reg(sd, REG_CLEAR_LOST_LOCK); dump_reg(sd, REG_CLEAR_LOST_LOCK);
} }
/* /**
* Configure the TVP5146/47 with the current register settings * tvp514x_configure() - Configure the TVP5146/47 registers
* @sd: ptr to v4l2_subdev struct
* @decoder: ptr to tvp514x_decoder structure
*
* Returns zero if successful, or non-zero otherwise. * Returns zero if successful, or non-zero otherwise.
*/ */
static int tvp514x_configure(struct v4l2_subdev *sd, static int tvp514x_configure(struct v4l2_subdev *sd,
...@@ -428,8 +466,11 @@ static int tvp514x_configure(struct v4l2_subdev *sd, ...@@ -428,8 +466,11 @@ static int tvp514x_configure(struct v4l2_subdev *sd,
return 0; return 0;
} }
/* /**
* Detect if an tvp514x is present, and if so which revision. * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision.
* @sd: pointer to standard V4L2 sub-device structure
* @decoder: pointer to tvp514x_decoder structure
*
* A device is considered to be detected if the chip ID (LSB and MSB) * A device is considered to be detected if the chip ID (LSB and MSB)
* registers match the expected values. * registers match the expected values.
* Any value of the rom version register is accepted. * Any value of the rom version register is accepted.
...@@ -468,13 +509,8 @@ static int tvp514x_detect(struct v4l2_subdev *sd, ...@@ -468,13 +509,8 @@ static int tvp514x_detect(struct v4l2_subdev *sd,
return 0; return 0;
} }
/* /**
* Following are decoder interface functions implemented by * tvp514x_querystd() - V4L2 decoder interface handler for querystd
* TVP5146/47 decoder driver.
*/
/*
* tvp514x_querystd - V4L2 decoder interface handler for VIDIOC_QUERYSTD ioctl
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @std_id: standard V4L2 std_id ioctl enum * @std_id: standard V4L2 std_id ioctl enum
* *
...@@ -546,8 +582,8 @@ static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id) ...@@ -546,8 +582,8 @@ static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
return 0; return 0;
} }
/* /**
* tvp514x_s_std - V4L2 decoder interface handler for VIDIOC_S_STD ioctl * tvp514x_s_std() - V4L2 decoder interface handler for s_std
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @std_id: standard V4L2 v4l2_std_id ioctl enum * @std_id: standard V4L2 v4l2_std_id ioctl enum
* *
...@@ -580,10 +616,12 @@ static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id) ...@@ -580,10 +616,12 @@ static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id)
return 0; return 0;
} }
/* /**
* tvp514x_s_routing - V4L2 decoder interface handler for VIDIOC_S_INPUT ioctl * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @index: number of the input * @input: input selector for routing the signal
* @output: output selector for routing the signal
* @config: config value. Not used
* *
* If index is valid, selects the requested input. Otherwise, returns -EINVAL if * 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 * the input is not supported or there is no active signal present in the
...@@ -602,7 +640,8 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd, ...@@ -602,7 +640,8 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd,
if ((input >= INPUT_INVALID) || if ((input >= INPUT_INVALID) ||
(output >= OUTPUT_INVALID)) (output >= OUTPUT_INVALID))
return -EINVAL; /* Index out of bound */ /* Index out of bound */
return -EINVAL;
input_sel = input; input_sel = input;
output_sel = output; output_sel = output;
...@@ -659,7 +698,7 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd, ...@@ -659,7 +698,7 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd,
lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
STATUS_VIRT_SYNC_LOCK_BIT; STATUS_VIRT_SYNC_LOCK_BIT;
break; break;
/*Need to add other interfaces*/ /* Need to add other interfaces*/
default: default:
return -EINVAL; return -EINVAL;
} }
...@@ -676,7 +715,8 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd, ...@@ -676,7 +715,8 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd,
sync_lock_status = tvp514x_read_reg(sd, sync_lock_status = tvp514x_read_reg(sd,
REG_STATUS1); REG_STATUS1);
if (lock_mask == (sync_lock_status & lock_mask)) if (lock_mask == (sync_lock_status & lock_mask))
break; /* Input detected */ /* Input detected */
break;
} }
if ((current_std == STD_INVALID) || (try_count < 0)) if ((current_std == STD_INVALID) || (try_count < 0))
...@@ -692,8 +732,8 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd, ...@@ -692,8 +732,8 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd,
return 0; return 0;
} }
/* /**
* tvp514x_queryctrl - V4L2 decoder interface handler for VIDIOC_QUERYCTRL ioctl * tvp514x_queryctrl() - V4L2 decoder interface handler for queryctrl
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @qctrl: standard V4L2 v4l2_queryctrl structure * @qctrl: standard V4L2 v4l2_queryctrl structure
* *
...@@ -710,13 +750,13 @@ tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl) ...@@ -710,13 +750,13 @@ tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl)
switch (qctrl->id) { switch (qctrl->id) {
case V4L2_CID_BRIGHTNESS: case V4L2_CID_BRIGHTNESS:
/* Brightness supported is (0-255), /* Brightness supported is (0-255), */
*/
err = v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); err = v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128);
break; break;
case V4L2_CID_CONTRAST: case V4L2_CID_CONTRAST:
case V4L2_CID_SATURATION: case V4L2_CID_SATURATION:
/* Saturation and Contrast supported is - /**
* Saturation and Contrast supported is -
* Contrast: 0 - 255 (Default - 128) * Contrast: 0 - 255 (Default - 128)
* Saturation: 0 - 255 (Default - 128) * Saturation: 0 - 255 (Default - 128)
*/ */
...@@ -729,7 +769,7 @@ tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl) ...@@ -729,7 +769,7 @@ tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl)
err = v4l2_ctrl_query_fill(qctrl, -180, 180, 180, 0); err = v4l2_ctrl_query_fill(qctrl, -180, 180, 180, 0);
break; break;
case V4L2_CID_AUTOGAIN: case V4L2_CID_AUTOGAIN:
/* /**
* Auto Gain supported is - * Auto Gain supported is -
* 0 - 1 (Default - 1) * 0 - 1 (Default - 1)
*/ */
...@@ -747,8 +787,8 @@ tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl) ...@@ -747,8 +787,8 @@ tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl)
return err; return err;
} }
/* /**
* tvp514x_g_ctrl - V4L2 decoder interface handler for VIDIOC_G_CTRL ioctl * tvp514x_g_ctrl() - V4L2 decoder interface handler for g_ctrl
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @ctrl: pointer to v4l2_control structure * @ctrl: pointer to v4l2_control structure
* *
...@@ -802,8 +842,8 @@ tvp514x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) ...@@ -802,8 +842,8 @@ tvp514x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
return 0; return 0;
} }
/* /**
* tvp514x_s_ctrl - V4L2 decoder interface handler for VIDIOC_S_CTRL ioctl * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @ctrl: pointer to v4l2_control structure * @ctrl: pointer to v4l2_control structure
* *
...@@ -903,8 +943,8 @@ tvp514x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) ...@@ -903,8 +943,8 @@ tvp514x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
return err; return err;
} }
/* /**
* tvp514x_enum_fmt_cap - Implement the CAPTURE buffer VIDIOC_ENUM_FMT ioctl * tvp514x_enum_fmt_cap() - V4L2 decoder interface handler for enum_fmt
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @fmt: standard V4L2 VIDIOC_ENUM_FMT ioctl structure * @fmt: standard V4L2 VIDIOC_ENUM_FMT ioctl structure
* *
...@@ -921,10 +961,12 @@ tvp514x_enum_fmt_cap(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt) ...@@ -921,10 +961,12 @@ tvp514x_enum_fmt_cap(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt)
index = fmt->index; index = fmt->index;
if ((index >= decoder->num_fmts) || (index < 0)) if ((index >= decoder->num_fmts) || (index < 0))
return -EINVAL; /* Index out of bound */ /* Index out of bound */
return -EINVAL;
if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL; /* only capture is supported */ /* only capture is supported */
return -EINVAL;
memcpy(fmt, &decoder->fmt_list[index], memcpy(fmt, &decoder->fmt_list[index],
sizeof(struct v4l2_fmtdesc)); sizeof(struct v4l2_fmtdesc));
...@@ -935,8 +977,8 @@ tvp514x_enum_fmt_cap(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt) ...@@ -935,8 +977,8 @@ tvp514x_enum_fmt_cap(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt)
return 0; return 0;
} }
/* /**
* tvp514x_try_fmt_cap - Implement the CAPTURE buffer VIDIOC_TRY_FMT ioctl * tvp514x_try_fmt_cap() - V4L2 decoder interface handler for try_fmt
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure * @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure
* *
...@@ -956,6 +998,7 @@ tvp514x_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) ...@@ -956,6 +998,7 @@ tvp514x_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
return -EINVAL; return -EINVAL;
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
/* only capture is supported */
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
pix = &f->fmt.pix; pix = &f->fmt.pix;
...@@ -975,7 +1018,8 @@ tvp514x_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) ...@@ -975,7 +1018,8 @@ tvp514x_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
break; break;
} }
if (ifmt == decoder->num_fmts) if (ifmt == decoder->num_fmts)
ifmt = 0; /* None of the format matched, select default */ /* None of the format matched, select default */
ifmt = 0;
pix->pixelformat = decoder->fmt_list[ifmt].pixelformat; pix->pixelformat = decoder->fmt_list[ifmt].pixelformat;
pix->field = V4L2_FIELD_INTERLACED; pix->field = V4L2_FIELD_INTERLACED;
...@@ -991,8 +1035,8 @@ tvp514x_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) ...@@ -991,8 +1035,8 @@ tvp514x_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
return 0; return 0;
} }
/* /**
* tvp514x_s_fmt_cap - V4L2 decoder interface handler for VIDIOC_S_FMT ioctl * tvp514x_s_fmt_cap() - V4L2 decoder interface handler for s_fmt
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @f: pointer to standard V4L2 VIDIOC_S_FMT ioctl structure * @f: pointer to standard V4L2 VIDIOC_S_FMT ioctl structure
* *
...@@ -1011,7 +1055,8 @@ tvp514x_s_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) ...@@ -1011,7 +1055,8 @@ tvp514x_s_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
return -EINVAL; return -EINVAL;
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL; /* only capture is supported */ /* only capture is supported */
return -EINVAL;
pix = &f->fmt.pix; pix = &f->fmt.pix;
rval = tvp514x_try_fmt_cap(sd, f); rval = tvp514x_try_fmt_cap(sd, f);
...@@ -1023,8 +1068,8 @@ tvp514x_s_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) ...@@ -1023,8 +1068,8 @@ tvp514x_s_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
return rval; return rval;
} }
/* /**
* tvp514x_g_fmt_cap - V4L2 decoder interface handler for tvp514x_g_fmt_cap * tvp514x_g_fmt_cap() - V4L2 decoder interface handler for tvp514x_g_fmt_cap
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @f: pointer to standard V4L2 v4l2_format structure * @f: pointer to standard V4L2 v4l2_format structure
* *
...@@ -1040,7 +1085,8 @@ tvp514x_g_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) ...@@ -1040,7 +1085,8 @@ tvp514x_g_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
return -EINVAL; return -EINVAL;
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL; /* only capture is supported */ /* only capture is supported */
return -EINVAL;
f->fmt.pix = decoder->pix; f->fmt.pix = decoder->pix;
...@@ -1051,8 +1097,8 @@ tvp514x_g_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) ...@@ -1051,8 +1097,8 @@ tvp514x_g_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
return 0; return 0;
} }
/* /**
* tvp514x_g_parm - V4L2 decoder interface handler for VIDIOC_G_PARM ioctl * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure
* *
...@@ -1069,7 +1115,8 @@ tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) ...@@ -1069,7 +1115,8 @@ tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
return -EINVAL; return -EINVAL;
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL; /* only capture is supported */ /* only capture is supported */
return -EINVAL;
memset(a, 0, sizeof(*a)); memset(a, 0, sizeof(*a));
a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
...@@ -1089,8 +1136,8 @@ tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) ...@@ -1089,8 +1136,8 @@ tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
return 0; return 0;
} }
/* /**
* tvp514x_s_parm - V4L2 decoder interface handler for VIDIOC_S_PARM ioctl * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure
* *
...@@ -1108,7 +1155,8 @@ tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) ...@@ -1108,7 +1155,8 @@ tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
return -EINVAL; return -EINVAL;
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL; /* only capture is supported */ /* only capture is supported */
return -EINVAL;
timeperframe = &a->parm.capture.timeperframe; timeperframe = &a->parm.capture.timeperframe;
...@@ -1125,8 +1173,8 @@ tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) ...@@ -1125,8 +1173,8 @@ tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
return 0; return 0;
} }
/* /**
* tvp514x_s_stream - V4L2 decoder interface handler for vidioc_int_s_power_num * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
* @sd: pointer to standard V4L2 sub-device structure * @sd: pointer to standard V4L2 sub-device structure
* @enable: streaming enable or disable * @enable: streaming enable or disable
* *
...@@ -1216,7 +1264,8 @@ static struct tvp514x_decoder tvp514x_dev = { ...@@ -1216,7 +1264,8 @@ static struct tvp514x_decoder tvp514x_dev = {
.fmt_list = tvp514x_fmt_list, .fmt_list = tvp514x_fmt_list,
.num_fmts = ARRAY_SIZE(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, .width = NTSC_NUM_ACTIVE_PIXELS,
.height = NTSC_NUM_ACTIVE_LINES, .height = NTSC_NUM_ACTIVE_LINES,
.pixelformat = V4L2_PIX_FMT_UYVY, .pixelformat = V4L2_PIX_FMT_UYVY,
...@@ -1233,8 +1282,8 @@ static struct tvp514x_decoder tvp514x_dev = { ...@@ -1233,8 +1282,8 @@ static struct tvp514x_decoder tvp514x_dev = {
}; };
/* /**
* tvp514x_probe - decoder driver i2c probe handler * tvp514x_probe() - decoder driver i2c probe handler
* @client: i2c driver client device structure * @client: i2c driver client device structure
* @id: i2c driver id table * @id: i2c driver id table
* *
...@@ -1260,20 +1309,16 @@ tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) ...@@ -1260,20 +1309,16 @@ tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (!decoder) if (!decoder)
return -ENOMEM; return -ENOMEM;
/* /* Initialize the tvp514x_decoder with default configuration */
* Initialize the tvp514x_decoder with default configuration
*/
*decoder = tvp514x_dev; *decoder = tvp514x_dev;
/* Copy default register configuration */ /* Copy default register configuration */
memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,
sizeof(tvp514x_reg_list_default)); sizeof(tvp514x_reg_list_default));
/* /* Copy board specific information here */
* Copy board specific information here
*/
decoder->pdata = client->dev.platform_data; decoder->pdata = client->dev.platform_data;
/* /**
* Fetch platform specific data, and configure the * Fetch platform specific data, and configure the
* tvp514x_reg_list[] accordingly. Since this is one * tvp514x_reg_list[] accordingly. Since this is one
* time configuration, no need to preserve. * time configuration, no need to preserve.
...@@ -1297,8 +1342,8 @@ tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) ...@@ -1297,8 +1342,8 @@ tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
} }
/* /**
* tvp514x_remove - decoder driver i2c remove handler * tvp514x_remove() - decoder driver i2c remove handler
* @client: i2c driver client device structure * @client: i2c driver client device structure
* *
* Unregister decoder as an i2c client device and V4L2 * Unregister decoder as an i2c client device and V4L2
...@@ -1313,9 +1358,7 @@ static int tvp514x_remove(struct i2c_client *client) ...@@ -1313,9 +1358,7 @@ static int tvp514x_remove(struct i2c_client *client)
kfree(decoder); kfree(decoder);
return 0; return 0;
} }
/* /* TVP5146 Init/Power on Sequence */
* TVP5146 Init/Power on Sequence
*/
static const struct tvp514x_reg tvp5146_init_reg_seq[] = { static const struct tvp514x_reg tvp5146_init_reg_seq[] = {
{TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
{TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
...@@ -1331,9 +1374,7 @@ static const struct tvp514x_reg tvp5146_init_reg_seq[] = { ...@@ -1331,9 +1374,7 @@ static const struct tvp514x_reg tvp5146_init_reg_seq[] = {
{TOK_TERM, 0, 0}, {TOK_TERM, 0, 0},
}; };
/* /* TVP5147 Init/Power on Sequence */
* TVP5147 Init/Power on Sequence
*/
static const struct tvp514x_reg tvp5147_init_reg_seq[] = { static const struct tvp514x_reg tvp5147_init_reg_seq[] = {
{TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
{TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
...@@ -1356,16 +1397,14 @@ static const struct tvp514x_reg tvp5147_init_reg_seq[] = { ...@@ -1356,16 +1397,14 @@ static const struct tvp514x_reg tvp5147_init_reg_seq[] = {
{TOK_TERM, 0, 0}, {TOK_TERM, 0, 0},
}; };
/* /* TVP5146M2/TVP5147M1 Init/Power on Sequence */
* TVP5146M2/TVP5147M1 Init/Power on Sequence
*/
static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { static const struct tvp514x_reg tvp514xm_init_reg_seq[] = {
{TOK_WRITE, REG_OPERATION_MODE, 0x01}, {TOK_WRITE, REG_OPERATION_MODE, 0x01},
{TOK_WRITE, REG_OPERATION_MODE, 0x00}, {TOK_WRITE, REG_OPERATION_MODE, 0x00},
{TOK_TERM, 0, 0}, {TOK_TERM, 0, 0},
}; };
/* /**
* I2C Device Table - * I2C Device Table -
* *
* name - Name of the actual device/chip. * name - Name of the actual device/chip.
......
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