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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 16:23:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:42:14 -0300
commitcb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch)
tree7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/i2c/tvp514x.c
parentf0af8fa4dad0839f844fd0633e1936493f6d685a (diff)
downloadvexpress-lsk-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.gz
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/tvp514x.c')
-rw-r--r--drivers/media/i2c/tvp514x.c1166
1 files changed, 1166 insertions, 0 deletions
diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c
new file mode 100644
index 00000000000..1f3943bb87d
--- /dev/null
+++ b/drivers/media/i2c/tvp514x.c
@@ -0,0 +1,1166 @@
+/*
+ * drivers/media/i2c/tvp514x.c
+ *
+ * TI TVP5146/47 decoder driver
+ *
+ * Copyright (C) 2008 Texas Instruments Inc
+ * Author: Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Contributors:
+ * Sivaraj R <sivaraj@ti.com>
+ * Brijesh R Jadav <brijesh.j@ti.com>
+ * Hardik Shah <hardik.shah@ti.com>
+ * Manjunath Hadli <mrh@ti.com>
+ * Karicheri Muralidharan <m-karicheri2@ti.com>
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/videodev2.h>
+#include <linux/module.h>
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-mediabus.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-ctrls.h>
+#include <media/tvp514x.h>
+
+#include "tvp514x_regs.h"
+
+/* Module Name */
+#define TVP514X_MODULE_NAME "tvp514x"
+
+/* Private macros for TVP */
+#define I2C_RETRY_COUNT (5)
+#define LOCK_RETRY_COUNT (5)
+#define LOCK_RETRY_DELAY (200)
+
+/* Debug functions */
+static bool debug;
+module_param(debug, bool, 0644);
+MODULE_PARM_DESC(debug, "Debug level (0-1)");
+
+MODULE_AUTHOR("Texas Instruments");
+MODULE_DESCRIPTION("TVP514X linux decoder driver");
+MODULE_LICENSE("GPL");
+
+/* enum tvp514x_std - enum for supported standards */
+enum tvp514x_std {
+ STD_NTSC_MJ = 0,
+ STD_PAL_BDGHIN,
+ STD_INVALID
+};
+
+/**
+ * struct tvp514x_std_info - Structure to store standard informations
+ * @width: Line width in pixels
+ * @height:Number of active lines
+ * @video_std: Value to write in REG_VIDEO_STD register
+ * @standard: v4l2 standard structure information
+ */
+struct tvp514x_std_info {
+ unsigned long width;
+ unsigned long height;
+ u8 video_std;
+ struct v4l2_standard standard;
+};
+
+static struct tvp514x_reg tvp514x_reg_list_default[0x40];
+
+static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable);
+/**
+ * struct tvp514x_decoder - TVP5146/47 decoder object
+ * @sd: Subdevice Slave handle
+ * @tvp514x_regs: copy of hw's regs with preset values.
+ * @pdata: Board specific
+ * @ver: Chip version
+ * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
+ * @current_std: Current standard
+ * @num_stds: Number of standards
+ * @std_list: Standards list
+ * @input: Input routing at chip level
+ * @output: Output routing at chip level
+ */
+struct tvp514x_decoder {
+ struct v4l2_subdev sd;
+ struct v4l2_ctrl_handler hdl;
+ struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)];
+ const struct tvp514x_platform_data *pdata;
+
+ int ver;
+ int streaming;
+
+ enum tvp514x_std current_std;
+ int num_stds;
+ const struct tvp514x_std_info *std_list;
+ /* Input and Output Routing parameters */
+ u32 input;
+ u32 output;
+};
+
+/* TVP514x default register values */
+static struct tvp514x_reg tvp514x_reg_list_default[] = {
+ /* Composite selected */
+ {TOK_WRITE, REG_INPUT_SEL, 0x05},
+ {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F},
+ /* Auto mode */
+ {TOK_WRITE, REG_VIDEO_STD, 0x00},
+ {TOK_WRITE, REG_OPERATION_MODE, 0x00},
+ {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F},
+ {TOK_WRITE, REG_COLOR_KILLER, 0x10},
+ {TOK_WRITE, REG_LUMA_CONTROL1, 0x00},
+ {TOK_WRITE, REG_LUMA_CONTROL2, 0x00},
+ {TOK_WRITE, REG_LUMA_CONTROL3, 0x02},
+ {TOK_WRITE, REG_BRIGHTNESS, 0x80},
+ {TOK_WRITE, REG_CONTRAST, 0x80},
+ {TOK_WRITE, REG_SATURATION, 0x80},
+ {TOK_WRITE, REG_HUE, 0x00},
+ {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00},
+ {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E},
+ /* Reserved */
+ {TOK_SKIP, 0x0F, 0x00},
+ {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80},
+ {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80},
+ {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80},
+ /* Reserved */
+ {TOK_SKIP, 0x13, 0x00},
+ {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80},
+ /* Reserved */
+ {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_STOP_PIXEL_LSB, 0x25},
+ {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03},
+ /* NTSC timing */
+ {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00},
+ {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00},
+ {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40},
+ {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00},
+ /* NTSC timing */
+ {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04},
+ {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00},
+ {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07},
+ {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00},
+ /* NTSC timing */
+ {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01},
+ {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00},
+ {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15},
+ {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00},
+ /* Reserved */
+ {TOK_SKIP, 0x26, 0x00},
+ /* Reserved */
+ {TOK_SKIP, 0x27, 0x00},
+ {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC},
+ /* Reserved */
+ {TOK_SKIP, 0x29, 0x00},
+ {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00},
+ /* Reserved */
+ {TOK_SKIP, 0x2B, 0x00},
+ {TOK_SKIP, REG_SCART_DELAY, 0x00},
+ {TOK_SKIP, REG_CTI_DELAY, 0x00},
+ {TOK_SKIP, REG_CTI_CONTROL, 0x00},
+ /* Reserved */
+ {TOK_SKIP, 0x2F, 0x00},
+ /* Reserved */
+ {TOK_SKIP, 0x30, 0x00},
+ /* Reserved */
+ {TOK_SKIP, 0x31, 0x00},
+ /* HS, VS active high */
+ {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_FORMATTER6, 0xFF},
+ /* Clear status */
+ {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01},
+ {TOK_TERM, 0, 0},
+};
+
+/**
+ * Supported standards -
+ *
+ * Currently supports two standards only, need to add support for rest of the
+ * modes, like SECAM, etc...
+ */
+static const struct tvp514x_std_info tvp514x_std_list[] = {
+ /* Standard: STD_NTSC_MJ */
+ [STD_NTSC_MJ] = {
+ .width = NTSC_NUM_ACTIVE_PIXELS,
+ .height = NTSC_NUM_ACTIVE_LINES,
+ .video_std = VIDEO_STD_NTSC_MJ_BIT,
+ .standard = {
+ .index = 0,
+ .id = V4L2_STD_NTSC,
+ .name = "NTSC",
+ .frameperiod = {1001, 30000},
+ .framelines = 525
+ },
+ /* Standard: STD_PAL_BDGHIN */
+ },
+ [STD_PAL_BDGHIN] = {
+ .width = PAL_NUM_ACTIVE_PIXELS,
+ .height = PAL_NUM_ACTIVE_LINES,
+ .video_std = VIDEO_STD_PAL_BDGHIN_BIT,
+ .standard = {
+ .index = 1,
+ .id = V4L2_STD_PAL,
+ .name = "PAL",
+ .frameperiod = {1, 25},
+ .framelines = 625
+ },
+ },
+ /* Standard: need to add for additional standard */
+};
+
+
+static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct tvp514x_decoder, sd);
+}
+
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+ return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd;
+}
+
+
+/**
+ * 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.
+ */
+static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
+{
+ int err, retry = 0;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+read_again:
+
+ err = i2c_smbus_read_byte_data(client, reg);
+ if (err < 0) {
+ if (retry <= I2C_RETRY_COUNT) {
+ v4l2_warn(sd, "Read: retry ... %d\n", retry);
+ retry++;
+ msleep_interruptible(10);
+ goto read_again;
+ }
+ }
+
+ 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)
+{
+ u32 val;
+
+ val = tvp514x_read_reg(sd, reg);
+ 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.
+ * Returns zero if successful, or non-zero otherwise.
+ */
+static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val)
+{
+ 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) {
+ v4l2_warn(sd, "Write: retry ... %d\n", retry);
+ retry++;
+ msleep_interruptible(10);
+ goto write_again;
+ }
+ }
+
+ return err;
+}
+
+/**
+ * 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_DELAY, then a delay of 'val' msec is introduced
+ * if token is TOK_SKIP, then the register write is skipped
+ * if token is TOK_WRITE, then the register write is performed
+ * Returns zero if successful, or non-zero otherwise.
+ */
+static int tvp514x_write_regs(struct v4l2_subdev *sd,
+ const struct tvp514x_reg reglist[])
+{
+ int err;
+ const struct tvp514x_reg *next = reglist;
+
+ for (; next->token != TOK_TERM; next++) {
+ if (next->token == TOK_DELAY) {
+ msleep(next->val);
+ continue;
+ }
+
+ if (next->token == TOK_SKIP)
+ continue;
+
+ err = tvp514x_write_reg(sd, next->reg, (u8) next->val);
+ if (err) {
+ v4l2_err(sd, "Write failed. Err[%d]\n", err);
+ return err;
+ }
+ }
+ return 0;
+}
+
+/**
+ * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47
+ * @sd: ptr to v4l2_subdev struct
+ *
+ * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no
+ * standard detected.
+ */
+static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd)
+{
+ u8 std, std_status;
+
+ 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(sd, REG_VIDEO_STD_STATUS);
+ else
+ /* use the standard register itself */
+ std_status = std;
+
+ switch (std_status & VIDEO_STD_MASK) {
+ case VIDEO_STD_NTSC_MJ_BIT:
+ return STD_NTSC_MJ;
+
+ case VIDEO_STD_PAL_BDGHIN_BIT:
+ return STD_PAL_BDGHIN;
+
+ default:
+ return STD_INVALID;
+ }
+
+ return STD_INVALID;
+}
+
+/* TVP5146/47 register dump function */
+static void tvp514x_reg_dump(struct v4l2_subdev *sd)
+{
+ 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);
+}
+
+/**
+ * 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.
+ */
+static int tvp514x_configure(struct v4l2_subdev *sd,
+ struct tvp514x_decoder *decoder)
+{
+ int err;
+
+ /* common register initialization */
+ err =
+ tvp514x_write_regs(sd, decoder->tvp514x_regs);
+ if (err)
+ return err;
+
+ if (debug)
+ tvp514x_reg_dump(sd);
+
+ return 0;
+}
+
+/**
+ * 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)
+ * registers match the expected values.
+ * Any value of the rom version register is accepted.
+ * Returns ENODEV error number if no device is detected, or zero
+ * if a device is detected.
+ */
+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(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);
+
+ 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)
+ || ((chip_id_lsb != TVP5146_CHIP_ID_LSB)
+ && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) {
+ /* We didn't read the values we expected, so this must not be
+ * an TVP5146/47.
+ */
+ 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;
+
+ 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;
+}
+
+/**
+ * tvp514x_querystd() - V4L2 decoder interface handler for querystd
+ * @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 then *std_id is set to 0 and the function returns 0.
+ */
+static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
+{
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+ enum tvp514x_std current_std;
+ enum tvp514x_input input_sel;
+ u8 sync_lock_status, lock_mask;
+
+ if (std_id == NULL)
+ return -EINVAL;
+
+ *std_id = V4L2_STD_UNKNOWN;
+
+ /* query the current standard */
+ current_std = tvp514x_query_current_std(sd);
+ if (current_std == STD_INVALID)
+ return 0;
+
+ input_sel = decoder->input;
+
+ switch (input_sel) {
+ case INPUT_CVBS_VI1A:
+ case INPUT_CVBS_VI1B:
+ case INPUT_CVBS_VI1C:
+ case INPUT_CVBS_VI2A:
+ case INPUT_CVBS_VI2B:
+ case INPUT_CVBS_VI2C:
+ case INPUT_CVBS_VI3A:
+ case INPUT_CVBS_VI3B:
+ case INPUT_CVBS_VI3C:
+ case INPUT_CVBS_VI4A:
+ lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
+ STATUS_HORZ_SYNC_LOCK_BIT |
+ STATUS_VIRT_SYNC_LOCK_BIT;
+ break;
+
+ case INPUT_SVIDEO_VI2A_VI1A:
+ case INPUT_SVIDEO_VI2B_VI1B:
+ case INPUT_SVIDEO_VI2C_VI1C:
+ case INPUT_SVIDEO_VI2A_VI3A:
+ case INPUT_SVIDEO_VI2B_VI3B:
+ case INPUT_SVIDEO_VI2C_VI3C:
+ case INPUT_SVIDEO_VI4A_VI1A:
+ case INPUT_SVIDEO_VI4A_VI1B:
+ case INPUT_SVIDEO_VI4A_VI1C:
+ case INPUT_SVIDEO_VI4A_VI3A:
+ case INPUT_SVIDEO_VI4A_VI3B:
+ case INPUT_SVIDEO_VI4A_VI3C:
+ lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
+ STATUS_VIRT_SYNC_LOCK_BIT;
+ break;
+ /*Need to add other interfaces*/
+ default:
+ return -EINVAL;
+ }
+ /* check whether signal is locked */
+ sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1);
+ if (lock_mask != (sync_lock_status & lock_mask))
+ return 0; /* No input detected */
+
+ *std_id = decoder->std_list[current_std].standard.id;
+
+ v4l2_dbg(1, debug, sd, "Current STD: %s\n",
+ decoder->std_list[current_std].standard.name);
+ return 0;
+}
+
+/**
+ * tvp514x_s_std() - V4L2 decoder interface handler for s_std
+ * @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 tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id)
+{
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+ int err, i;
+
+ for (i = 0; i < decoder->num_stds; i++)
+ if (std_id & decoder->std_list[i].standard.id)
+ break;
+
+ if ((i == decoder->num_stds) || (i == STD_INVALID))
+ return -EINVAL;
+
+ err = tvp514x_write_reg(sd, REG_VIDEO_STD,
+ decoder->std_list[i].video_std);
+ if (err)
+ return err;
+
+ decoder->current_std = i;
+ decoder->tvp514x_regs[REG_VIDEO_STD].val =
+ decoder->std_list[i].video_std;
+
+ v4l2_dbg(1, debug, sd, "Standard set to: %s\n",
+ decoder->std_list[i].standard.name);
+ return 0;
+}
+
+/**
+ * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @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
+ * the input is not supported or there is no active signal present in the
+ * selected input.
+ */
+static int tvp514x_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ 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 ((input >= INPUT_INVALID) ||
+ (output >= OUTPUT_INVALID))
+ /* Index out of bound */
+ return -EINVAL;
+
+ /*
+ * For the sequence streamon -> streamoff and again s_input
+ * it fails to lock the signal, since streamoff puts TVP514x
+ * into power off state which leads to failure in sub-sequent s_input.
+ *
+ * So power up the TVP514x device here, since it is important to lock
+ * the signal at this stage.
+ */
+ if (!decoder->streaming)
+ tvp514x_s_stream(sd, 1);
+
+ input_sel = input;
+ output_sel = output;
+
+ err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel);
+ if (err)
+ return err;
+
+ output_sel |= tvp514x_read_reg(sd,
+ REG_OUTPUT_FORMATTER1) & 0x7;
+ err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1,
+ output_sel);
+ if (err)
+ return err;
+
+ decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;
+ decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;
+
+ /* Clear status */
+ msleep(LOCK_RETRY_DELAY);
+ err =
+ tvp514x_write_reg(sd, REG_CLEAR_LOST_LOCK, 0x01);
+ if (err)
+ return err;
+
+ switch (input_sel) {
+ case INPUT_CVBS_VI1A:
+ case INPUT_CVBS_VI1B:
+ case INPUT_CVBS_VI1C:
+ case INPUT_CVBS_VI2A:
+ case INPUT_CVBS_VI2B:
+ case INPUT_CVBS_VI2C:
+ case INPUT_CVBS_VI3A:
+ case INPUT_CVBS_VI3B:
+ case INPUT_CVBS_VI3C:
+ case INPUT_CVBS_VI4A:
+ lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
+ STATUS_HORZ_SYNC_LOCK_BIT |
+ STATUS_VIRT_SYNC_LOCK_BIT;
+ break;
+
+ case INPUT_SVIDEO_VI2A_VI1A:
+ case INPUT_SVIDEO_VI2B_VI1B:
+ case INPUT_SVIDEO_VI2C_VI1C:
+ case INPUT_SVIDEO_VI2A_VI3A:
+ case INPUT_SVIDEO_VI2B_VI3B:
+ case INPUT_SVIDEO_VI2C_VI3C:
+ case INPUT_SVIDEO_VI4A_VI1A:
+ case INPUT_SVIDEO_VI4A_VI1B:
+ case INPUT_SVIDEO_VI4A_VI1C:
+ case INPUT_SVIDEO_VI4A_VI3A:
+ case INPUT_SVIDEO_VI4A_VI3B:
+ case INPUT_SVIDEO_VI4A_VI3C:
+ lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
+ STATUS_VIRT_SYNC_LOCK_BIT;
+ break;
+ /* Need to add other interfaces*/
+ default:
+ return -EINVAL;
+ }
+
+ while (try_count-- > 0) {
+ /* Allow decoder to sync up with new input */
+ msleep(LOCK_RETRY_DELAY);
+
+ sync_lock_status = tvp514x_read_reg(sd,
+ REG_STATUS1);
+ if (lock_mask == (sync_lock_status & lock_mask))
+ /* Input detected */
+ break;
+ }
+
+ if (try_count < 0)
+ return -EINVAL;
+
+ decoder->input = input;
+ decoder->output = output;
+
+ v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel);
+
+ return 0;
+}
+
+/**
+ * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
+ * @ctrl: pointer to v4l2_ctrl 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 tvp514x_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+ int err = -EINVAL, value;
+
+ value = ctrl->val;
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value);
+ if (!err)
+ decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;
+ break;
+ case V4L2_CID_CONTRAST:
+ err = tvp514x_write_reg(sd, REG_CONTRAST, value);
+ if (!err)
+ decoder->tvp514x_regs[REG_CONTRAST].val = value;
+ break;
+ case V4L2_CID_SATURATION:
+ err = tvp514x_write_reg(sd, REG_SATURATION, value);
+ if (!err)
+ decoder->tvp514x_regs[REG_SATURATION].val = value;
+ break;
+ case V4L2_CID_HUE:
+ if (value == 180)
+ value = 0x7F;
+ else if (value == -180)
+ value = 0x80;
+ err = tvp514x_write_reg(sd, REG_HUE, value);
+ if (!err)
+ decoder->tvp514x_regs[REG_HUE].val = value;
+ break;
+ case V4L2_CID_AUTOGAIN:
+ err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c);
+ if (!err)
+ decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;
+ break;
+ }
+
+ v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n",
+ ctrl->id, ctrl->val);
+ return err;
+}
+
+/**
+ * tvp514x_enum_mbus_fmt() - V4L2 decoder interface handler for enum_mbus_fmt
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @index: index of pixelcode to retrieve
+ * @code: receives the pixelcode
+ *
+ * Enumerates supported mediabus formats
+ */
+static int
+tvp514x_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
+ enum v4l2_mbus_pixelcode *code)
+{
+ if (index)
+ return -EINVAL;
+
+ *code = V4L2_MBUS_FMT_YUYV10_2X10;
+ return 0;
+}
+
+/**
+ * tvp514x_mbus_fmt_cap() - V4L2 decoder interface handler for try/s/g_mbus_fmt
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @f: pointer to the mediabus format structure
+ *
+ * Negotiates the image capture size and mediabus format.
+ */
+static int
+tvp514x_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f)
+{
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+ enum tvp514x_std current_std;
+
+ if (f == NULL)
+ return -EINVAL;
+
+ /* Calculate height and width based on current standard */
+ current_std = decoder->current_std;
+
+ f->code = V4L2_MBUS_FMT_YUYV10_2X10;
+ f->width = decoder->std_list[current_std].width;
+ f->height = decoder->std_list[current_std].height;
+ f->field = V4L2_FIELD_INTERLACED;
+ f->colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+ v4l2_dbg(1, debug, sd, "MBUS_FMT: Width - %d, Height - %d\n",
+ f->width, f->height);
+ return 0;
+}
+
+/**
+ * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm
+ * @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
+tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
+{
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+ struct v4l2_captureparm *cparm;
+ enum tvp514x_std current_std;
+
+ if (a == NULL)
+ return -EINVAL;
+
+ if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ /* only capture is supported */
+ return -EINVAL;
+
+ /* get the current standard */
+ current_std = decoder->current_std;
+
+ cparm = &a->parm.capture;
+ cparm->capability = V4L2_CAP_TIMEPERFRAME;
+ cparm->timeperframe =
+ decoder->std_list[current_std].standard.frameperiod;
+
+ return 0;
+}
+
+/**
+ * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm
+ * @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
+tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
+{
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+ struct v4l2_fract *timeperframe;
+ enum tvp514x_std current_std;
+
+ if (a == NULL)
+ return -EINVAL;
+
+ if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ /* only capture is supported */
+ return -EINVAL;
+
+ timeperframe = &a->parm.capture.timeperframe;
+
+ /* get the current standard */
+ current_std = decoder->current_std;
+
+ *timeperframe =
+ decoder->std_list[current_std].standard.frameperiod;
+
+ return 0;
+}
+
+/**
+ * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @enable: streaming enable or disable
+ *
+ * Sets streaming to enable or disable, if possible.
+ */
+static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ int err = 0;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+
+ if (decoder->streaming == enable)
+ return 0;
+
+ 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;
+
+ /* 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(sd, decoder);
+ if (err) {
+ v4l2_err(sd, "Unable to configure decoder\n");
+ return err;
+ }
+ decoder->streaming = enable;
+ break;
+ }
+ default:
+ err = -ENODEV;
+ break;
+ }
+
+ return err;
+}
+
+static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = {
+ .s_ctrl = tvp514x_s_ctrl,
+};
+
+static const struct v4l2_subdev_core_ops tvp514x_core_ops = {
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
+ .s_std = tvp514x_s_std,
+};
+
+static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
+ .s_routing = tvp514x_s_routing,
+ .querystd = tvp514x_querystd,
+ .enum_mbus_fmt = tvp514x_enum_mbus_fmt,
+ .g_mbus_fmt = tvp514x_mbus_fmt,
+ .try_mbus_fmt = tvp514x_mbus_fmt,
+ .s_mbus_fmt = tvp514x_mbus_fmt,
+ .g_parm = tvp514x_g_parm,
+ .s_parm = tvp514x_s_parm,
+ .s_stream = tvp514x_s_stream,
+};
+
+static const struct v4l2_subdev_ops tvp514x_ops = {
+ .core = &tvp514x_core_ops,
+ .video = &tvp514x_video_ops,
+};
+
+static struct tvp514x_decoder tvp514x_dev = {
+ .streaming = 0,
+ .current_std = STD_NTSC_MJ,
+ .std_list = tvp514x_std_list,
+ .num_stds = ARRAY_SIZE(tvp514x_std_list),
+
+};
+
+/**
+ * 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.
+ */
+static int
+tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ struct tvp514x_decoder *decoder;
+ 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;
+
+ /* Initialize the tvp514x_decoder with default configuration */
+ *decoder = tvp514x_dev;
+ /* 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->tvp514x_regs[REG_SYNC_CONTROL].val |=
+ ((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 */
+ sd = &decoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &tvp514x_ops);
+
+ v4l2_ctrl_handler_init(&decoder->hdl, 5);
+ v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
+ V4L2_CID_HUE, -180, 180, 180, 0);
+ v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+ sd->ctrl_handler = &decoder->hdl;
+ if (decoder->hdl.error) {
+ int err = decoder->hdl.error;
+
+ v4l2_ctrl_handler_free(&decoder->hdl);
+ kfree(decoder);
+ return err;
+ }
+ v4l2_ctrl_handler_setup(&decoder->hdl);
+
+ v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);
+
+ return 0;
+
+}
+
+/**
+ * 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 tvp514x_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct tvp514x_decoder *decoder = to_decoder(sd);
+
+ v4l2_device_unregister_subdev(sd);
+ v4l2_ctrl_handler_free(&decoder->hdl);
+ kfree(decoder);
+ return 0;
+}
+/* TVP5146 Init/Power on Sequence */
+static const struct tvp514x_reg tvp5146_init_reg_seq[] = {
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
+ {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
+ {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
+ {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},
+};
+
+/* TVP5147 Init/Power on Sequence */
+static const struct tvp514x_reg tvp5147_init_reg_seq[] = {
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
+ {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
+ {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0},
+ {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
+ {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
+ {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},
+};
+
+/* 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},
+};
+
+/**
+ * I2C Device Table -
+ *
+ * name - Name of the actual device/chip.
+ * driver_data - Driver data
+ */
+static const struct i2c_device_id tvp514x_id[] = {
+ {"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_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = TVP514X_MODULE_NAME,
+ },
+ .probe = tvp514x_probe,
+ .remove = tvp514x_remove,
+ .id_table = tvp514x_id,
+};
+
+module_i2c_driver(tvp514x_driver);