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- // SPDX-License-Identifier: GPL-2.0
- //
- // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
- //
- // Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@kernel.org>
- #include <dt-bindings/media/tvp5150.h>
- #include <linux/i2c.h>
- #include <linux/slab.h>
- #include <linux/videodev2.h>
- #include <linux/delay.h>
- #include <linux/gpio/consumer.h>
- #include <linux/module.h>
- #include <linux/of_graph.h>
- #include <media/v4l2-async.h>
- #include <media/v4l2-device.h>
- #include <media/v4l2-ctrls.h>
- #include <media/v4l2-fwnode.h>
- #include <media/v4l2-mc.h>
- #include "tvp5150_reg.h"
- #define TVP5150_H_MAX 720U
- #define TVP5150_V_MAX_525_60 480U
- #define TVP5150_V_MAX_OTHERS 576U
- #define TVP5150_MAX_CROP_LEFT 511
- #define TVP5150_MAX_CROP_TOP 127
- #define TVP5150_CROP_SHIFT 2
- MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
- MODULE_AUTHOR("Mauro Carvalho Chehab");
- MODULE_LICENSE("GPL v2");
- static int debug;
- module_param(debug, int, 0644);
- MODULE_PARM_DESC(debug, "Debug level (0-2)");
- #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
- struct tvp5150 {
- struct v4l2_subdev sd;
- #ifdef CONFIG_MEDIA_CONTROLLER
- struct media_pad pads[DEMOD_NUM_PADS];
- struct media_entity input_ent[TVP5150_INPUT_NUM];
- struct media_pad input_pad[TVP5150_INPUT_NUM];
- #endif
- struct v4l2_ctrl_handler hdl;
- struct v4l2_rect rect;
- v4l2_std_id norm; /* Current set standard */
- u32 input;
- u32 output;
- int enable;
- u16 dev_id;
- u16 rom_ver;
- enum v4l2_mbus_type mbus_type;
- };
- static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
- {
- return container_of(sd, struct tvp5150, sd);
- }
- static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
- {
- return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
- }
- static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
- {
- struct i2c_client *c = v4l2_get_subdevdata(sd);
- int rc;
- rc = i2c_smbus_read_byte_data(c, addr);
- if (rc < 0) {
- dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
- return rc;
- }
- dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
- return rc;
- }
- static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
- unsigned char value)
- {
- struct i2c_client *c = v4l2_get_subdevdata(sd);
- int rc;
- dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
- rc = i2c_smbus_write_byte_data(c, addr, value);
- if (rc < 0)
- dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
- return rc;
- }
- static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
- const u8 end, int max_line)
- {
- u8 buf[16];
- int i = 0, j, len;
- if (max_line > 16) {
- dprintk0(sd->dev, "too much data to dump\n");
- return;
- }
- for (i = init; i < end; i += max_line) {
- len = (end - i > max_line) ? max_line : end - i;
- for (j = 0; j < len; j++)
- buf[j] = tvp5150_read(sd, i + j);
- dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
- }
- }
- static int tvp5150_log_status(struct v4l2_subdev *sd)
- {
- dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
- tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
- dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
- tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
- dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
- tvp5150_read(sd, TVP5150_OP_MODE_CTL));
- dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
- tvp5150_read(sd, TVP5150_MISC_CTL));
- dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
- tvp5150_read(sd, TVP5150_AUTOSW_MSK));
- dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
- tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
- dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
- tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
- tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
- tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
- dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
- tvp5150_read(sd, TVP5150_BRIGHT_CTL));
- dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
- tvp5150_read(sd, TVP5150_SATURATION_CTL));
- dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
- tvp5150_read(sd, TVP5150_HUE_CTL));
- dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
- tvp5150_read(sd, TVP5150_CONTRAST_CTL));
- dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
- tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
- dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
- tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
- dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
- tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
- tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
- dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n",
- tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
- tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
- dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
- tvp5150_read(sd, TVP5150_GENLOCK));
- dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
- tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
- dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
- tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
- dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
- tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
- dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
- tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
- tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
- dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
- dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
- dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
- dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
- tvp5150_read(sd, TVP5150_VIDEO_STD));
- dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
- tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
- tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
- dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
- tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
- dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
- tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
- dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
- (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
- dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
- tvp5150_read(sd, TVP5150_MSB_DEV_ID),
- tvp5150_read(sd, TVP5150_LSB_DEV_ID));
- dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
- tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
- tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
- dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
- tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
- tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
- dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
- dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
- dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
- tvp5150_read(sd, TVP5150_STATUS_REG_1),
- tvp5150_read(sd, TVP5150_STATUS_REG_2),
- tvp5150_read(sd, TVP5150_STATUS_REG_3),
- tvp5150_read(sd, TVP5150_STATUS_REG_4),
- tvp5150_read(sd, TVP5150_STATUS_REG_5));
- dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
- TVP5150_TELETEXT_FIL1_END, 8);
- dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
- TVP5150_TELETEXT_FIL2_END, 8);
- dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
- tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
- dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
- dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
- dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
- tvp5150_read(sd, TVP5150_INT_CONF));
- dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
- tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
- dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
- tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
- dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
- tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
- dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
- tvp5150_read(sd, TVP5150_FIFO_RESET));
- dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
- tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
- dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
- tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
- tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
- dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
- tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
- dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
- tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
- dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
- tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
- dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
- TVP5150_CC_DATA_END, 8);
- dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
- TVP5150_WSS_DATA_END, 8);
- dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
- TVP5150_VPS_DATA_END, 8);
- dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
- TVP5150_VITC_DATA_END, 10);
- dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
- TVP5150_LINE_MODE_END, 8);
- return 0;
- }
- /****************************************************************************
- Basic functions
- ****************************************************************************/
- static void tvp5150_selmux(struct v4l2_subdev *sd)
- {
- int opmode = 0;
- struct tvp5150 *decoder = to_tvp5150(sd);
- int input = 0;
- int val;
- /* Only tvp5150am1 and tvp5151 have signal generator support */
- if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
- (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
- if (!decoder->enable)
- input = 8;
- }
- switch (decoder->input) {
- case TVP5150_COMPOSITE1:
- input |= 2;
- /* fall through */
- case TVP5150_COMPOSITE0:
- break;
- case TVP5150_SVIDEO:
- default:
- input |= 1;
- break;
- }
- dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
- decoder->input, decoder->output,
- input, opmode);
- tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
- tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
- /*
- * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
- * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
- * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
- * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
- * INTREQ/GPCL/VBLK to logic 1.
- */
- val = tvp5150_read(sd, TVP5150_MISC_CTL);
- if (val < 0) {
- dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
- return;
- }
- if (decoder->input == TVP5150_SVIDEO)
- val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK;
- else
- val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL;
- tvp5150_write(sd, TVP5150_MISC_CTL, val);
- };
- struct i2c_reg_value {
- unsigned char reg;
- unsigned char value;
- };
- /* Default values as sugested at TVP5150AM1 datasheet */
- static const struct i2c_reg_value tvp5150_init_default[] = {
- { /* 0x00 */
- TVP5150_VD_IN_SRC_SEL_1, 0x00
- },
- { /* 0x01 */
- TVP5150_ANAL_CHL_CTL, 0x15
- },
- { /* 0x02 */
- TVP5150_OP_MODE_CTL, 0x00
- },
- { /* 0x03 */
- TVP5150_MISC_CTL, 0x01
- },
- { /* 0x06 */
- TVP5150_COLOR_KIL_THSH_CTL, 0x10
- },
- { /* 0x07 */
- TVP5150_LUMA_PROC_CTL_1, 0x60
- },
- { /* 0x08 */
- TVP5150_LUMA_PROC_CTL_2, 0x00
- },
- { /* 0x09 */
- TVP5150_BRIGHT_CTL, 0x80
- },
- { /* 0x0a */
- TVP5150_SATURATION_CTL, 0x80
- },
- { /* 0x0b */
- TVP5150_HUE_CTL, 0x00
- },
- { /* 0x0c */
- TVP5150_CONTRAST_CTL, 0x80
- },
- { /* 0x0d */
- TVP5150_DATA_RATE_SEL, 0x47
- },
- { /* 0x0e */
- TVP5150_LUMA_PROC_CTL_3, 0x00
- },
- { /* 0x0f */
- TVP5150_CONF_SHARED_PIN, 0x08
- },
- { /* 0x11 */
- TVP5150_ACT_VD_CROP_ST_MSB, 0x00
- },
- { /* 0x12 */
- TVP5150_ACT_VD_CROP_ST_LSB, 0x00
- },
- { /* 0x13 */
- TVP5150_ACT_VD_CROP_STP_MSB, 0x00
- },
- { /* 0x14 */
- TVP5150_ACT_VD_CROP_STP_LSB, 0x00
- },
- { /* 0x15 */
- TVP5150_GENLOCK, 0x01
- },
- { /* 0x16 */
- TVP5150_HORIZ_SYNC_START, 0x80
- },
- { /* 0x18 */
- TVP5150_VERT_BLANKING_START, 0x00
- },
- { /* 0x19 */
- TVP5150_VERT_BLANKING_STOP, 0x00
- },
- { /* 0x1a */
- TVP5150_CHROMA_PROC_CTL_1, 0x0c
- },
- { /* 0x1b */
- TVP5150_CHROMA_PROC_CTL_2, 0x14
- },
- { /* 0x1c */
- TVP5150_INT_RESET_REG_B, 0x00
- },
- { /* 0x1d */
- TVP5150_INT_ENABLE_REG_B, 0x00
- },
- { /* 0x1e */
- TVP5150_INTT_CONFIG_REG_B, 0x00
- },
- { /* 0x28 */
- TVP5150_VIDEO_STD, 0x00
- },
- { /* 0x2e */
- TVP5150_MACROVISION_ON_CTR, 0x0f
- },
- { /* 0x2f */
- TVP5150_MACROVISION_OFF_CTR, 0x01
- },
- { /* 0xbb */
- TVP5150_TELETEXT_FIL_ENA, 0x00
- },
- { /* 0xc0 */
- TVP5150_INT_STATUS_REG_A, 0x00
- },
- { /* 0xc1 */
- TVP5150_INT_ENABLE_REG_A, 0x00
- },
- { /* 0xc2 */
- TVP5150_INT_CONF, 0x04
- },
- { /* 0xc8 */
- TVP5150_FIFO_INT_THRESHOLD, 0x80
- },
- { /* 0xc9 */
- TVP5150_FIFO_RESET, 0x00
- },
- { /* 0xca */
- TVP5150_LINE_NUMBER_INT, 0x00
- },
- { /* 0xcb */
- TVP5150_PIX_ALIGN_REG_LOW, 0x4e
- },
- { /* 0xcc */
- TVP5150_PIX_ALIGN_REG_HIGH, 0x00
- },
- { /* 0xcd */
- TVP5150_FIFO_OUT_CTRL, 0x01
- },
- { /* 0xcf */
- TVP5150_FULL_FIELD_ENA, 0x00
- },
- { /* 0xd0 */
- TVP5150_LINE_MODE_INI, 0x00
- },
- { /* 0xfc */
- TVP5150_FULL_FIELD_MODE_REG, 0x7f
- },
- { /* end of data */
- 0xff, 0xff
- }
- };
- /* Default values as sugested at TVP5150AM1 datasheet */
- static const struct i2c_reg_value tvp5150_init_enable[] = {
- {
- TVP5150_CONF_SHARED_PIN, 2
- }, { /* Automatic offset and AGC enabled */
- TVP5150_ANAL_CHL_CTL, 0x15
- }, { /* Activate YCrCb output 0x9 or 0xd ? */
- TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
- TVP5150_MISC_CTL_INTREQ_OE |
- TVP5150_MISC_CTL_YCBCR_OE |
- TVP5150_MISC_CTL_SYNC_OE |
- TVP5150_MISC_CTL_VBLANK |
- TVP5150_MISC_CTL_CLOCK_OE,
- }, { /* Activates video std autodetection for all standards */
- TVP5150_AUTOSW_MSK, 0x0
- }, { /* Default format: 0x47. For 4:2:2: 0x40 */
- TVP5150_DATA_RATE_SEL, 0x47
- }, {
- TVP5150_CHROMA_PROC_CTL_1, 0x0c
- }, {
- TVP5150_CHROMA_PROC_CTL_2, 0x54
- }, { /* Non documented, but initialized on WinTV USB2 */
- 0x27, 0x20
- }, {
- 0xff, 0xff
- }
- };
- struct tvp5150_vbi_type {
- unsigned int vbi_type;
- unsigned int ini_line;
- unsigned int end_line;
- unsigned int by_field :1;
- };
- struct i2c_vbi_ram_value {
- u16 reg;
- struct tvp5150_vbi_type type;
- unsigned char values[16];
- };
- /* This struct have the values for each supported VBI Standard
- * by
- tvp5150_vbi_types should follow the same order as vbi_ram_default
- * value 0 means rom position 0x10, value 1 means rom position 0x30
- * and so on. There are 16 possible locations from 0 to 15.
- */
- static struct i2c_vbi_ram_value vbi_ram_default[] = {
- /*
- * FIXME: Current api doesn't handle all VBI types, those not
- * yet supported are placed under #if 0
- */
- #if 0
- [0] = {0x010, /* Teletext, SECAM, WST System A */
- {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
- { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
- 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
- },
- #endif
- [1] = {0x030, /* Teletext, PAL, WST System B */
- {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
- { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
- 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
- },
- #if 0
- [2] = {0x050, /* Teletext, PAL, WST System C */
- {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
- { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
- 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
- },
- [3] = {0x070, /* Teletext, NTSC, WST System B */
- {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
- { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
- 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
- },
- [4] = {0x090, /* Tetetext, NTSC NABTS System C */
- {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
- { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
- 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
- },
- [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
- {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
- { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
- 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
- },
- [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
- {V4L2_SLICED_CAPTION_625, 22, 22, 1},
- { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
- 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
- },
- #endif
- [7] = {0x0f0, /* Closed Caption, NTSC */
- {V4L2_SLICED_CAPTION_525, 21, 21, 1},
- { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
- 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
- },
- [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
- {V4L2_SLICED_WSS_625, 23, 23, 1},
- { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
- 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
- },
- #if 0
- [9] = {0x130, /* Wide Screen Signal, NTSC C */
- {V4L2_SLICED_WSS_525, 20, 20, 1},
- { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
- 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
- },
- [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
- {V4l2_SLICED_VITC_625, 6, 22, 0},
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
- 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
- },
- [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
- {V4l2_SLICED_VITC_525, 10, 20, 0},
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
- 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
- },
- #endif
- [12] = {0x190, /* Video Program System (VPS), PAL */
- {V4L2_SLICED_VPS, 16, 16, 0},
- { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
- 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
- },
- /* 0x1d0 User programmable */
- };
- static int tvp5150_write_inittab(struct v4l2_subdev *sd,
- const struct i2c_reg_value *regs)
- {
- while (regs->reg != 0xff) {
- tvp5150_write(sd, regs->reg, regs->value);
- regs++;
- }
- return 0;
- }
- static int tvp5150_vdp_init(struct v4l2_subdev *sd)
- {
- unsigned int i;
- int j;
- /* Disable Full Field */
- tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
- /* Before programming, Line mode should be at 0xff */
- for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
- tvp5150_write(sd, i, 0xff);
- /* Load Ram Table */
- for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
- const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
- if (!regs->type.vbi_type)
- continue;
- tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
- tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
- for (i = 0; i < 16; i++)
- tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
- }
- return 0;
- }
- /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
- static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
- struct v4l2_sliced_vbi_cap *cap)
- {
- int line, i;
- dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
- memset(cap, 0, sizeof(*cap));
- for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
- const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
- if (!regs->type.vbi_type)
- continue;
- for (line = regs->type.ini_line;
- line <= regs->type.end_line;
- line++) {
- cap->service_lines[0][line] |= regs->type.vbi_type;
- }
- cap->service_set |= regs->type.vbi_type;
- }
- return 0;
- }
- /* Set vbi processing
- * type - one of tvp5150_vbi_types
- * line - line to gather data
- * fields: bit 0 field1, bit 1, field2
- * flags (default=0xf0) is a bitmask, were set means:
- * bit 7: enable filtering null bytes on CC
- * bit 6: send data also to FIFO
- * bit 5: don't allow data with errors on FIFO
- * bit 4: enable ECC when possible
- * pix_align = pix alignment:
- * LSB = field1
- * MSB = field2
- */
- static int tvp5150_set_vbi(struct v4l2_subdev *sd,
- unsigned int type, u8 flags, int line,
- const int fields)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- v4l2_std_id std = decoder->norm;
- u8 reg;
- int i, pos = 0;
- if (std == V4L2_STD_ALL) {
- dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
- return 0;
- } else if (std & V4L2_STD_625_50) {
- /* Don't follow NTSC Line number convension */
- line += 3;
- }
- if (line < 6 || line > 27)
- return 0;
- for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
- const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
- if (!regs->type.vbi_type)
- continue;
- if ((type & regs->type.vbi_type) &&
- (line >= regs->type.ini_line) &&
- (line <= regs->type.end_line))
- break;
- pos++;
- }
- type = pos | (flags & 0xf0);
- reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
- if (fields & 1)
- tvp5150_write(sd, reg, type);
- if (fields & 2)
- tvp5150_write(sd, reg + 1, type);
- return type;
- }
- static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- v4l2_std_id std = decoder->norm;
- u8 reg;
- int pos, type = 0;
- int i, ret = 0;
- if (std == V4L2_STD_ALL) {
- dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
- return 0;
- } else if (std & V4L2_STD_625_50) {
- /* Don't follow NTSC Line number convension */
- line += 3;
- }
- if (line < 6 || line > 27)
- return 0;
- reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
- for (i = 0; i <= 1; i++) {
- ret = tvp5150_read(sd, reg + i);
- if (ret < 0) {
- dev_err(sd->dev, "%s: failed with error = %d\n",
- __func__, ret);
- return 0;
- }
- pos = ret & 0x0f;
- if (pos < ARRAY_SIZE(vbi_ram_default))
- type |= vbi_ram_default[pos].type.vbi_type;
- }
- return type;
- }
- static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- int fmt = 0;
- decoder->norm = std;
- /* First tests should be against specific std */
- if (std == V4L2_STD_NTSC_443) {
- fmt = VIDEO_STD_NTSC_4_43_BIT;
- } else if (std == V4L2_STD_PAL_M) {
- fmt = VIDEO_STD_PAL_M_BIT;
- } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
- fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
- } else {
- /* Then, test against generic ones */
- if (std & V4L2_STD_NTSC)
- fmt = VIDEO_STD_NTSC_MJ_BIT;
- else if (std & V4L2_STD_PAL)
- fmt = VIDEO_STD_PAL_BDGHIN_BIT;
- else if (std & V4L2_STD_SECAM)
- fmt = VIDEO_STD_SECAM_BIT;
- }
- dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
- tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
- return 0;
- }
- static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- if (decoder->norm == std)
- return 0;
- /* Change cropping height limits */
- if (std & V4L2_STD_525_60)
- decoder->rect.height = TVP5150_V_MAX_525_60;
- else
- decoder->rect.height = TVP5150_V_MAX_OTHERS;
- return tvp5150_set_std(sd, std);
- }
- static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- /* Initializes TVP5150 to its default values */
- tvp5150_write_inittab(sd, tvp5150_init_default);
- /* Initializes VDP registers */
- tvp5150_vdp_init(sd);
- /* Selects decoder input */
- tvp5150_selmux(sd);
- /* Initializes TVP5150 to stream enabled values */
- tvp5150_write_inittab(sd, tvp5150_init_enable);
- /* Initialize image preferences */
- v4l2_ctrl_handler_setup(&decoder->hdl);
- tvp5150_set_std(sd, decoder->norm);
- if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
- tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
- return 0;
- };
- static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
- {
- struct v4l2_subdev *sd = to_sd(ctrl);
- struct tvp5150 *decoder = to_tvp5150(sd);
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
- return 0;
- case V4L2_CID_CONTRAST:
- tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
- return 0;
- case V4L2_CID_SATURATION:
- tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
- return 0;
- case V4L2_CID_HUE:
- tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
- return 0;
- case V4L2_CID_TEST_PATTERN:
- decoder->enable = ctrl->val ? false : true;
- tvp5150_selmux(sd);
- return 0;
- }
- return -EINVAL;
- }
- static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
- {
- int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
- switch (val & 0x0F) {
- case 0x01:
- return V4L2_STD_NTSC;
- case 0x03:
- return V4L2_STD_PAL;
- case 0x05:
- return V4L2_STD_PAL_M;
- case 0x07:
- return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
- case 0x09:
- return V4L2_STD_NTSC_443;
- case 0xb:
- return V4L2_STD_SECAM;
- default:
- return V4L2_STD_UNKNOWN;
- }
- }
- static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
- {
- struct v4l2_mbus_framefmt *f;
- struct tvp5150 *decoder = to_tvp5150(sd);
- if (!format || (format->pad != DEMOD_PAD_VID_OUT))
- return -EINVAL;
- f = &format->format;
- f->width = decoder->rect.width;
- f->height = decoder->rect.height / 2;
- f->code = MEDIA_BUS_FMT_UYVY8_2X8;
- f->field = V4L2_FIELD_ALTERNATE;
- f->colorspace = V4L2_COLORSPACE_SMPTE170M;
- dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
- f->height);
- return 0;
- }
- static int tvp5150_set_selection(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- struct v4l2_rect rect = sel->r;
- v4l2_std_id std;
- int hmax;
- if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
- sel->target != V4L2_SEL_TGT_CROP)
- return -EINVAL;
- dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
- __func__, rect.left, rect.top, rect.width, rect.height);
- /* tvp5150 has some special limits */
- rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
- rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
- /* Calculate height based on current standard */
- if (decoder->norm == V4L2_STD_ALL)
- std = tvp5150_read_std(sd);
- else
- std = decoder->norm;
- if (std & V4L2_STD_525_60)
- hmax = TVP5150_V_MAX_525_60;
- else
- hmax = TVP5150_V_MAX_OTHERS;
- /*
- * alignments:
- * - width = 2 due to UYVY colorspace
- * - height, image = no special alignment
- */
- v4l_bound_align_image(&rect.width,
- TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
- TVP5150_H_MAX - rect.left, 1, &rect.height,
- hmax - TVP5150_MAX_CROP_TOP - rect.top,
- hmax - rect.top, 0, 0);
- tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
- tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
- rect.top + rect.height - hmax);
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
- rect.left >> TVP5150_CROP_SHIFT);
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
- rect.left | (1 << TVP5150_CROP_SHIFT));
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
- (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
- TVP5150_CROP_SHIFT);
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
- rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
- decoder->rect = rect;
- return 0;
- }
- static int tvp5150_get_selection(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
- {
- struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
- v4l2_std_id std;
- if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
- return -EINVAL;
- switch (sel->target) {
- case V4L2_SEL_TGT_CROP_BOUNDS:
- case V4L2_SEL_TGT_CROP_DEFAULT:
- sel->r.left = 0;
- sel->r.top = 0;
- sel->r.width = TVP5150_H_MAX;
- /* Calculate height based on current standard */
- if (decoder->norm == V4L2_STD_ALL)
- std = tvp5150_read_std(sd);
- else
- std = decoder->norm;
- if (std & V4L2_STD_525_60)
- sel->r.height = TVP5150_V_MAX_525_60;
- else
- sel->r.height = TVP5150_V_MAX_OTHERS;
- return 0;
- case V4L2_SEL_TGT_CROP:
- sel->r = decoder->rect;
- return 0;
- default:
- return -EINVAL;
- }
- }
- static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
- struct v4l2_mbus_config *cfg)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- cfg->type = decoder->mbus_type;
- cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
- | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
- return 0;
- }
- /****************************************************************************
- V4L2 subdev pad ops
- ****************************************************************************/
- static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_mbus_code_enum *code)
- {
- if (code->pad || code->index)
- return -EINVAL;
- code->code = MEDIA_BUS_FMT_UYVY8_2X8;
- return 0;
- }
- static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_frame_size_enum *fse)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
- return -EINVAL;
- fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
- fse->min_width = decoder->rect.width;
- fse->max_width = decoder->rect.width;
- fse->min_height = decoder->rect.height / 2;
- fse->max_height = decoder->rect.height / 2;
- return 0;
- }
- /****************************************************************************
- Media entity ops
- ****************************************************************************/
- #ifdef CONFIG_MEDIA_CONTROLLER
- static int tvp5150_link_setup(struct media_entity *entity,
- const struct media_pad *local,
- const struct media_pad *remote, u32 flags)
- {
- struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
- struct tvp5150 *decoder = to_tvp5150(sd);
- int i;
- for (i = 0; i < TVP5150_INPUT_NUM; i++) {
- if (remote->entity == &decoder->input_ent[i])
- break;
- }
- /* Do nothing for entities that are not input connectors */
- if (i == TVP5150_INPUT_NUM)
- return 0;
- decoder->input = i;
- tvp5150_selmux(sd);
- return 0;
- }
- static const struct media_entity_operations tvp5150_sd_media_ops = {
- .link_setup = tvp5150_link_setup,
- };
- #endif
- /****************************************************************************
- I2C Command
- ****************************************************************************/
- static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- int val;
- /* Enable or disable the video output signals. */
- val = tvp5150_read(sd, TVP5150_MISC_CTL);
- if (val < 0)
- return val;
- val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
- TVP5150_MISC_CTL_CLOCK_OE);
- if (enable) {
- /*
- * Enable the YCbCr and clock outputs. In discrete sync mode
- * (non-BT.656) additionally enable the the sync outputs.
- */
- val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
- if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
- val |= TVP5150_MISC_CTL_SYNC_OE;
- }
- tvp5150_write(sd, TVP5150_MISC_CTL, val);
- return 0;
- }
- static int tvp5150_s_routing(struct v4l2_subdev *sd,
- u32 input, u32 output, u32 config)
- {
- struct tvp5150 *decoder = to_tvp5150(sd);
- decoder->input = input;
- decoder->output = output;
- if (output == TVP5150_BLACK_SCREEN)
- decoder->enable = false;
- else
- decoder->enable = true;
- tvp5150_selmux(sd);
- return 0;
- }
- static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
- {
- /*
- * this is for capturing 36 raw vbi lines
- * if there's a way to cut off the beginning 2 vbi lines
- * with the tvp5150 then the vbi line count could be lowered
- * to 17 lines/field again, although I couldn't find a register
- * which could do that cropping
- */
- if (fmt->sample_format == V4L2_PIX_FMT_GREY)
- tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
- if (fmt->count[0] == 18 && fmt->count[1] == 18) {
- tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
- tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
- }
- return 0;
- }
- static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
- {
- int i;
- if (svbi->service_set != 0) {
- for (i = 0; i <= 23; i++) {
- svbi->service_lines[1][i] = 0;
- svbi->service_lines[0][i] =
- tvp5150_set_vbi(sd, svbi->service_lines[0][i],
- 0xf0, i, 3);
- }
- /* Enables FIFO */
- tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
- } else {
- /* Disables FIFO*/
- tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
- /* Disable Full Field */
- tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
- /* Disable Line modes */
- for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
- tvp5150_write(sd, i, 0xff);
- }
- return 0;
- }
- static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
- {
- int i, mask = 0;
- memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
- for (i = 0; i <= 23; i++) {
- svbi->service_lines[0][i] =
- tvp5150_get_vbi(sd, i);
- mask |= svbi->service_lines[0][i];
- }
- svbi->service_set = mask;
- return 0;
- }
- #ifdef CONFIG_VIDEO_ADV_DEBUG
- static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
- {
- int res;
- res = tvp5150_read(sd, reg->reg & 0xff);
- if (res < 0) {
- dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
- return res;
- }
- reg->val = res;
- reg->size = 1;
- return 0;
- }
- static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
- {
- return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
- }
- #endif
- static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
- {
- int status = tvp5150_read(sd, 0x88);
- vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
- return 0;
- }
- static int tvp5150_registered(struct v4l2_subdev *sd)
- {
- #ifdef CONFIG_MEDIA_CONTROLLER
- struct tvp5150 *decoder = to_tvp5150(sd);
- int ret = 0;
- int i;
- for (i = 0; i < TVP5150_INPUT_NUM; i++) {
- struct media_entity *input = &decoder->input_ent[i];
- struct media_pad *pad = &decoder->input_pad[i];
- if (!input->name)
- continue;
- decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
- ret = media_entity_pads_init(input, 1, pad);
- if (ret < 0)
- return ret;
- ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
- if (ret < 0)
- return ret;
- ret = media_create_pad_link(input, 0, &sd->entity,
- DEMOD_PAD_IF_INPUT, 0);
- if (ret < 0) {
- media_device_unregister_entity(input);
- return ret;
- }
- }
- #endif
- return 0;
- }
- /* ----------------------------------------------------------------------- */
- static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
- .s_ctrl = tvp5150_s_ctrl,
- };
- static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
- .log_status = tvp5150_log_status,
- .reset = tvp5150_reset,
- #ifdef CONFIG_VIDEO_ADV_DEBUG
- .g_register = tvp5150_g_register,
- .s_register = tvp5150_s_register,
- #endif
- };
- static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
- .g_tuner = tvp5150_g_tuner,
- };
- static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
- .s_std = tvp5150_s_std,
- .s_stream = tvp5150_s_stream,
- .s_routing = tvp5150_s_routing,
- .g_mbus_config = tvp5150_g_mbus_config,
- };
- static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
- .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
- .g_sliced_fmt = tvp5150_g_sliced_fmt,
- .s_sliced_fmt = tvp5150_s_sliced_fmt,
- .s_raw_fmt = tvp5150_s_raw_fmt,
- };
- static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
- .enum_mbus_code = tvp5150_enum_mbus_code,
- .enum_frame_size = tvp5150_enum_frame_size,
- .set_fmt = tvp5150_fill_fmt,
- .get_fmt = tvp5150_fill_fmt,
- .get_selection = tvp5150_get_selection,
- .set_selection = tvp5150_set_selection,
- };
- static const struct v4l2_subdev_ops tvp5150_ops = {
- .core = &tvp5150_core_ops,
- .tuner = &tvp5150_tuner_ops,
- .video = &tvp5150_video_ops,
- .vbi = &tvp5150_vbi_ops,
- .pad = &tvp5150_pad_ops,
- };
- static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
- .registered = tvp5150_registered,
- };
- /****************************************************************************
- I2C Client & Driver
- ****************************************************************************/
- static int tvp5150_detect_version(struct tvp5150 *core)
- {
- struct v4l2_subdev *sd = &core->sd;
- struct i2c_client *c = v4l2_get_subdevdata(sd);
- unsigned int i;
- u8 regs[4];
- int res;
- /*
- * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
- * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
- */
- for (i = 0; i < 4; i++) {
- res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
- if (res < 0)
- return res;
- regs[i] = res;
- }
- core->dev_id = (regs[0] << 8) | regs[1];
- core->rom_ver = (regs[2] << 8) | regs[3];
- dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
- core->dev_id, regs[2], regs[3], c->addr << 1,
- c->adapter->name);
- if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
- dev_info(sd->dev, "tvp5150a detected.\n");
- } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
- dev_info(sd->dev, "tvp5150am1 detected.\n");
- /* ITU-T BT.656.4 timing */
- tvp5150_write(sd, TVP5150_REV_SELECT, 0);
- } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
- dev_info(sd->dev, "tvp5151 detected.\n");
- } else {
- dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
- core->dev_id);
- }
- return 0;
- }
- static int tvp5150_init(struct i2c_client *c)
- {
- struct gpio_desc *pdn_gpio;
- struct gpio_desc *reset_gpio;
- pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
- if (IS_ERR(pdn_gpio))
- return PTR_ERR(pdn_gpio);
- if (pdn_gpio) {
- gpiod_set_value_cansleep(pdn_gpio, 0);
- /* Delay time between power supplies active and reset */
- msleep(20);
- }
- reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(reset_gpio))
- return PTR_ERR(reset_gpio);
- if (reset_gpio) {
- /* RESETB pulse duration */
- ndelay(500);
- gpiod_set_value_cansleep(reset_gpio, 0);
- /* Delay time between end of reset to I2C active */
- usleep_range(200, 250);
- }
- return 0;
- }
- static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
- {
- struct v4l2_fwnode_endpoint bus_cfg;
- struct device_node *ep;
- #ifdef CONFIG_MEDIA_CONTROLLER
- struct device_node *connectors, *child;
- struct media_entity *input;
- const char *name;
- u32 input_type;
- #endif
- unsigned int flags;
- int ret = 0;
- ep = of_graph_get_next_endpoint(np, NULL);
- if (!ep)
- return -EINVAL;
- ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
- if (ret)
- goto err;
- flags = bus_cfg.bus.parallel.flags;
- if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
- !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
- flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
- flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
- ret = -EINVAL;
- goto err;
- }
- decoder->mbus_type = bus_cfg.bus_type;
- #ifdef CONFIG_MEDIA_CONTROLLER
- connectors = of_get_child_by_name(np, "connectors");
- if (!connectors)
- goto err;
- for_each_available_child_of_node(connectors, child) {
- ret = of_property_read_u32(child, "input", &input_type);
- if (ret) {
- dev_err(decoder->sd.dev,
- "missing type property in node %s\n",
- child->name);
- goto err_connector;
- }
- if (input_type >= TVP5150_INPUT_NUM) {
- ret = -EINVAL;
- goto err_connector;
- }
- input = &decoder->input_ent[input_type];
- /* Each input connector can only be defined once */
- if (input->name) {
- dev_err(decoder->sd.dev,
- "input %s with same type already exists\n",
- input->name);
- ret = -EINVAL;
- goto err_connector;
- }
- switch (input_type) {
- case TVP5150_COMPOSITE0:
- case TVP5150_COMPOSITE1:
- input->function = MEDIA_ENT_F_CONN_COMPOSITE;
- break;
- case TVP5150_SVIDEO:
- input->function = MEDIA_ENT_F_CONN_SVIDEO;
- break;
- }
- input->flags = MEDIA_ENT_FL_CONNECTOR;
- ret = of_property_read_string(child, "label", &name);
- if (ret < 0) {
- dev_err(decoder->sd.dev,
- "missing label property in node %s\n",
- child->name);
- goto err_connector;
- }
- input->name = name;
- }
- err_connector:
- of_node_put(connectors);
- #endif
- err:
- of_node_put(ep);
- return ret;
- }
- static const char * const tvp5150_test_patterns[2] = {
- "Disabled",
- "Black screen"
- };
- static int tvp5150_probe(struct i2c_client *c,
- const struct i2c_device_id *id)
- {
- struct tvp5150 *core;
- struct v4l2_subdev *sd;
- struct device_node *np = c->dev.of_node;
- int res;
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(c->adapter,
- I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
- return -EIO;
- res = tvp5150_init(c);
- if (res)
- return res;
- core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
- if (!core)
- return -ENOMEM;
- sd = &core->sd;
- if (IS_ENABLED(CONFIG_OF) && np) {
- res = tvp5150_parse_dt(core, np);
- if (res) {
- dev_err(sd->dev, "DT parsing error: %d\n", res);
- return res;
- }
- } else {
- /* Default to BT.656 embedded sync */
- core->mbus_type = V4L2_MBUS_BT656;
- }
- v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
- sd->internal_ops = &tvp5150_internal_ops;
- sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
- #if defined(CONFIG_MEDIA_CONTROLLER)
- core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
- core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
- core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
- sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
- res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
- if (res < 0)
- return res;
- sd->entity.ops = &tvp5150_sd_media_ops;
- #endif
- res = tvp5150_detect_version(core);
- if (res < 0)
- return res;
- core->norm = V4L2_STD_ALL; /* Default is autodetect */
- core->input = TVP5150_COMPOSITE1;
- core->enable = true;
- v4l2_ctrl_handler_init(&core->hdl, 5);
- v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
- V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
- v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
- V4L2_CID_CONTRAST, 0, 255, 1, 128);
- v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
- V4L2_CID_SATURATION, 0, 255, 1, 128);
- v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
- V4L2_CID_HUE, -128, 127, 1, 0);
- v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
- V4L2_CID_PIXEL_RATE, 27000000,
- 27000000, 1, 27000000);
- v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
- V4L2_CID_TEST_PATTERN,
- ARRAY_SIZE(tvp5150_test_patterns) - 1,
- 0, 0, tvp5150_test_patterns);
- sd->ctrl_handler = &core->hdl;
- if (core->hdl.error) {
- res = core->hdl.error;
- goto err;
- }
- /* Default is no cropping */
- core->rect.top = 0;
- if (tvp5150_read_std(sd) & V4L2_STD_525_60)
- core->rect.height = TVP5150_V_MAX_525_60;
- else
- core->rect.height = TVP5150_V_MAX_OTHERS;
- core->rect.left = 0;
- core->rect.width = TVP5150_H_MAX;
- tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */
- res = v4l2_async_register_subdev(sd);
- if (res < 0)
- goto err;
- if (debug > 1)
- tvp5150_log_status(sd);
- return 0;
- err:
- v4l2_ctrl_handler_free(&core->hdl);
- return res;
- }
- static int tvp5150_remove(struct i2c_client *c)
- {
- struct v4l2_subdev *sd = i2c_get_clientdata(c);
- struct tvp5150 *decoder = to_tvp5150(sd);
- dev_dbg_lvl(sd->dev, 1, debug,
- "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
- c->addr << 1);
- v4l2_async_unregister_subdev(sd);
- v4l2_ctrl_handler_free(&decoder->hdl);
- return 0;
- }
- /* ----------------------------------------------------------------------- */
- static const struct i2c_device_id tvp5150_id[] = {
- { "tvp5150", 0 },
- { }
- };
- MODULE_DEVICE_TABLE(i2c, tvp5150_id);
- #if IS_ENABLED(CONFIG_OF)
- static const struct of_device_id tvp5150_of_match[] = {
- { .compatible = "ti,tvp5150", },
- { /* sentinel */ },
- };
- MODULE_DEVICE_TABLE(of, tvp5150_of_match);
- #endif
- static struct i2c_driver tvp5150_driver = {
- .driver = {
- .of_match_table = of_match_ptr(tvp5150_of_match),
- .name = "tvp5150",
- },
- .probe = tvp5150_probe,
- .remove = tvp5150_remove,
- .id_table = tvp5150_id,
- };
- module_i2c_driver(tvp5150_driver);
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