| /* |
| * 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> |
| * Prabhakar Lad <prabhakar.lad@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 <linux/v4l2-mediabus.h> |
| |
| #include <media/v4l2-async.h> |
| #include <media/v4l2-device.h> |
| #include <media/v4l2-common.h> |
| #include <media/v4l2-mediabus.h> |
| #include <media/v4l2-of.h> |
| #include <media/v4l2-ctrls.h> |
| #include <media/tvp514x.h> |
| #include <media/media-entity.h> |
| |
| #include "tvp514x_regs.h" |
| |
| /* 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. |
| * @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 |
| * @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; |
| |
| struct v4l2_pix_format pix; |
| int num_fmts; |
| const struct v4l2_fmtdesc *fmt_list; |
| |
| enum tvp514x_std current_std; |
| int num_stds; |
| const struct tvp514x_std_info *std_list; |
| /* Input and Output Routing parameters */ |
| u32 input; |
| u32 output; |
| |
| /* mc related members */ |
| struct media_pad pad; |
| struct v4l2_mbus_framefmt format; |
| |
| struct tvp514x_reg *int_seq; |
| }; |
| |
| /* 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}, |
| }; |
| |
| /** |
| * 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. |
| */ |
| static const struct v4l2_fmtdesc tvp514x_fmt_list[] = { |
| { |
| .index = 0, |
| .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| .flags = 0, |
| .description = "8-bit UYVY 4:2:2 Format", |
| .pixelformat = V4L2_PIX_FMT_UYVY, |
| }, |
| }; |
| |
| /** |
| * 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; |
| |
| /* To query the standard the TVP514x must power on the ADCs. */ |
| if (!decoder->streaming) { |
| tvp514x_s_stream(sd, 1); |
| msleep(LOCK_RETRY_DELAY); |
| } |
| |
| /* query the current standard */ |
| current_std = tvp514x_query_current_std(sd); |
| if (current_std == STD_INVALID) { |
| *std_id = V4L2_STD_UNKNOWN; |
| 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)) { |
| *std_id = V4L2_STD_UNKNOWN; |
| 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; |
| |
| if ((input >= INPUT_INVALID) || |
| (output >= OUTPUT_INVALID)) |
| /* Index out of bound */ |
| return -EINVAL; |
| |
| 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; |
| 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() - 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_YUYV8_2X8; |
| 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 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: |
| { |
| /* Power Up Sequence */ |
| err = tvp514x_write_regs(sd, decoder->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, |
| }; |
| |
| /** |
| * tvp514x_enum_mbus_code() - V4L2 decoder interface handler for enum_mbus_code |
| * @sd: pointer to standard V4L2 sub-device structure |
| * @fh: file handle |
| * @code: pointer to v4l2_subdev_mbus_code_enum structure |
| * |
| * Enumertaes mbus codes supported |
| */ |
| static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd, |
| struct v4l2_subdev_fh *fh, |
| struct v4l2_subdev_mbus_code_enum *code) |
| { |
| u32 pad = code->pad; |
| u32 index = code->index; |
| |
| memset(code, 0, sizeof(*code)); |
| code->index = index; |
| code->pad = pad; |
| |
| if (index != 0) |
| return -EINVAL; |
| |
| code->code = V4L2_MBUS_FMT_YUYV8_2X8; |
| |
| return 0; |
| } |
| |
| /** |
| * tvp514x_get_pad_format() - V4L2 decoder interface handler for get pad format |
| * @sd: pointer to standard V4L2 sub-device structure |
| * @fh: file handle |
| * @format: pointer to v4l2_subdev_format structure |
| * |
| * Retrieves pad format which is active or tried based on requirement |
| */ |
| static int tvp514x_get_pad_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_fh *fh, |
| struct v4l2_subdev_format *format) |
| { |
| struct tvp514x_decoder *decoder = to_decoder(sd); |
| __u32 which = format->which; |
| |
| if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { |
| format->format = decoder->format; |
| return 0; |
| } |
| |
| format->format.code = V4L2_MBUS_FMT_YUYV8_2X8; |
| format->format.width = tvp514x_std_list[decoder->current_std].width; |
| format->format.height = tvp514x_std_list[decoder->current_std].height; |
| format->format.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| format->format.field = V4L2_FIELD_INTERLACED; |
| |
| return 0; |
| } |
| |
| /** |
| * tvp514x_set_pad_format() - V4L2 decoder interface handler for set pad format |
| * @sd: pointer to standard V4L2 sub-device structure |
| * @fh: file handle |
| * @format: pointer to v4l2_subdev_format structure |
| * |
| * Set pad format for the output pad |
| */ |
| static int tvp514x_set_pad_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_fh *fh, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct tvp514x_decoder *decoder = to_decoder(sd); |
| |
| if (fmt->format.field != V4L2_FIELD_INTERLACED || |
| fmt->format.code != V4L2_MBUS_FMT_YUYV8_2X8 || |
| fmt->format.colorspace != V4L2_COLORSPACE_SMPTE170M || |
| fmt->format.width != tvp514x_std_list[decoder->current_std].width || |
| fmt->format.height != tvp514x_std_list[decoder->current_std].height) |
| return -EINVAL; |
| |
| decoder->format = fmt->format; |
| |
| return 0; |
| } |
| |
| 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_pad_ops tvp514x_pad_ops = { |
| .enum_mbus_code = tvp514x_enum_mbus_code, |
| .get_fmt = tvp514x_get_pad_format, |
| .set_fmt = tvp514x_set_pad_format, |
| }; |
| |
| static const struct v4l2_subdev_ops tvp514x_ops = { |
| .core = &tvp514x_core_ops, |
| .video = &tvp514x_video_ops, |
| .pad = &tvp514x_pad_ops, |
| }; |
| |
| static struct tvp514x_decoder tvp514x_dev = { |
| .streaming = 0, |
| .fmt_list = tvp514x_fmt_list, |
| .num_fmts = ARRAY_SIZE(tvp514x_fmt_list), |
| .pix = { |
| /* Default to NTSC 8-bit YUV 422 */ |
| .width = NTSC_NUM_ACTIVE_PIXELS, |
| .height = NTSC_NUM_ACTIVE_LINES, |
| .pixelformat = V4L2_PIX_FMT_UYVY, |
| .field = V4L2_FIELD_INTERLACED, |
| .bytesperline = NTSC_NUM_ACTIVE_PIXELS * 2, |
| .sizeimage = NTSC_NUM_ACTIVE_PIXELS * 2 * |
| NTSC_NUM_ACTIVE_LINES, |
| .colorspace = V4L2_COLORSPACE_SMPTE170M, |
| }, |
| .current_std = STD_NTSC_MJ, |
| .std_list = tvp514x_std_list, |
| .num_stds = ARRAY_SIZE(tvp514x_std_list), |
| |
| }; |
| |
| static struct tvp514x_platform_data * |
| tvp514x_get_pdata(struct i2c_client *client) |
| { |
| struct tvp514x_platform_data *pdata; |
| struct v4l2_of_endpoint bus_cfg; |
| struct device_node *endpoint; |
| unsigned int flags; |
| |
| if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) |
| return client->dev.platform_data; |
| |
| endpoint = v4l2_of_get_next_endpoint(client->dev.of_node, NULL); |
| if (!endpoint) |
| return NULL; |
| |
| pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); |
| if (!pdata) |
| goto done; |
| |
| v4l2_of_parse_endpoint(endpoint, &bus_cfg); |
| flags = bus_cfg.bus.parallel.flags; |
| |
| if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) |
| pdata->hs_polarity = 1; |
| |
| if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) |
| pdata->vs_polarity = 1; |
| |
| if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) |
| pdata->clk_polarity = 1; |
| |
| done: |
| of_node_put(endpoint); |
| return pdata; |
| } |
| |
| /** |
| * 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_platform_data *pdata = tvp514x_get_pdata(client); |
| struct tvp514x_decoder *decoder; |
| struct v4l2_subdev *sd; |
| int ret; |
| |
| if (pdata == NULL) { |
| dev_err(&client->dev, "No platform data\n"); |
| return -EINVAL; |
| } |
| |
| /* Check if the adapter supports the needed features */ |
| if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| return -EIO; |
| |
| decoder = devm_kzalloc(&client->dev, 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)); |
| |
| decoder->int_seq = (struct tvp514x_reg *)id->driver_data; |
| |
| /* Copy board specific information here */ |
| decoder->pdata = pdata; |
| |
| /** |
| * 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); |
| |
| #if defined(CPTCFG_MEDIA_CONTROLLER) |
| decoder->pad.flags = MEDIA_PAD_FL_SOURCE; |
| decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| decoder->sd.entity.flags |= MEDIA_ENT_T_V4L2_SUBDEV_DECODER; |
| |
| ret = media_entity_init(&decoder->sd.entity, 1, &decoder->pad, 0); |
| if (ret < 0) { |
| v4l2_err(sd, "%s decoder driver failed to register !!\n", |
| sd->name); |
| return ret; |
| } |
| #endif |
| 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) { |
| ret = decoder->hdl.error; |
| goto done; |
| } |
| v4l2_ctrl_handler_setup(&decoder->hdl); |
| |
| ret = v4l2_async_register_subdev(&decoder->sd); |
| if (!ret) |
| v4l2_info(sd, "%s decoder driver registered !!\n", sd->name); |
| |
| done: |
| if (ret < 0) { |
| v4l2_ctrl_handler_free(&decoder->hdl); |
| #if defined(CPTCFG_MEDIA_CONTROLLER) |
| media_entity_cleanup(&decoder->sd.entity); |
| #endif |
| } |
| return ret; |
| } |
| |
| /** |
| * 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_async_unregister_subdev(&decoder->sd); |
| v4l2_device_unregister_subdev(sd); |
| #if defined(CPTCFG_MEDIA_CONTROLLER) |
| media_entity_cleanup(&decoder->sd.entity); |
| #endif |
| v4l2_ctrl_handler_free(&decoder->hdl); |
| 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); |
| |
| #if IS_ENABLED(CONFIG_OF) |
| static const struct of_device_id tvp514x_of_match[] = { |
| { .compatible = "ti,tvp5146", }, |
| { .compatible = "ti,tvp5146m2", }, |
| { .compatible = "ti,tvp5147", }, |
| { .compatible = "ti,tvp5147m1", }, |
| { /* sentinel */ }, |
| }; |
| MODULE_DEVICE_TABLE(of, tvp514x_of_match); |
| #endif |
| |
| static struct i2c_driver tvp514x_driver = { |
| .driver = { |
| .of_match_table = of_match_ptr(tvp514x_of_match), |
| .owner = THIS_MODULE, |
| .name = TVP514X_MODULE_NAME, |
| }, |
| .probe = tvp514x_probe, |
| .remove = tvp514x_remove, |
| .id_table = tvp514x_id, |
| }; |
| |
| module_i2c_driver(tvp514x_driver); |