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1// SPDX-License-Identifier: GPL-2.02//3// tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver4//5// Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@kernel.org>6 7#include <dt-bindings/media/tvp5150.h>8#include <linux/i2c.h>9#include <linux/slab.h>10#include <linux/videodev2.h>11#include <linux/delay.h>12#include <linux/gpio/consumer.h>13#include <linux/interrupt.h>14#include <linux/module.h>15#include <linux/of_graph.h>16#include <linux/pm_runtime.h>17#include <linux/regmap.h>18#include <media/v4l2-async.h>19#include <media/v4l2-device.h>20#include <media/v4l2-event.h>21#include <media/v4l2-ctrls.h>22#include <media/v4l2-fwnode.h>23#include <media/v4l2-mc.h>24#include <media/v4l2-rect.h>25 26#include "tvp5150_reg.h"27 28#define TVP5150_H_MAX 720U29#define TVP5150_V_MAX_525_60 480U30#define TVP5150_V_MAX_OTHERS 576U31#define TVP5150_MAX_CROP_LEFT 51132#define TVP5150_MAX_CROP_TOP 12733#define TVP5150_CROP_SHIFT 234#define TVP5150_MBUS_FMT MEDIA_BUS_FMT_UYVY8_2X835#define TVP5150_FIELD V4L2_FIELD_ALTERNATE36#define TVP5150_COLORSPACE V4L2_COLORSPACE_SMPTE170M37#define TVP5150_STD_MASK (V4L2_STD_NTSC | \38 V4L2_STD_NTSC_443 | \39 V4L2_STD_PAL | \40 V4L2_STD_PAL_M | \41 V4L2_STD_PAL_N | \42 V4L2_STD_PAL_Nc | \43 V4L2_STD_SECAM)44 45#define TVP5150_MAX_CONNECTORS 3 /* Check dt-bindings for more information */46 47MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");48MODULE_AUTHOR("Mauro Carvalho Chehab");49MODULE_LICENSE("GPL v2");50 51 52static int debug;53module_param(debug, int, 0644);54MODULE_PARM_DESC(debug, "Debug level (0-2)");55 56#define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)57 58enum tvp5150_pads {59 TVP5150_PAD_AIP1A,60 TVP5150_PAD_AIP1B,61 TVP5150_PAD_VID_OUT,62 TVP5150_NUM_PADS63};64 65struct tvp5150_connector {66 struct v4l2_fwnode_connector base;67 struct media_entity ent;68 struct media_pad pad;69};70 71struct tvp5150 {72 struct v4l2_subdev sd;73 74 struct media_pad pads[TVP5150_NUM_PADS];75 struct tvp5150_connector connectors[TVP5150_MAX_CONNECTORS];76 struct tvp5150_connector *cur_connector;77 unsigned int connectors_num;78 79 struct v4l2_ctrl_handler hdl;80 struct v4l2_rect rect;81 struct regmap *regmap;82 int irq;83 84 v4l2_std_id norm; /* Current set standard */85 v4l2_std_id detected_norm;86 u32 input;87 u32 output;88 u32 oe;89 int enable;90 bool lock;91 92 u16 dev_id;93 u16 rom_ver;94 95 enum v4l2_mbus_type mbus_type;96};97 98static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)99{100 return container_of(sd, struct tvp5150, sd);101}102 103static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)104{105 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;106}107 108static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)109{110 struct tvp5150 *decoder = to_tvp5150(sd);111 int ret, val;112 113 ret = regmap_read(decoder->regmap, addr, &val);114 if (ret < 0)115 return ret;116 117 return val;118}119 120static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,121 const u8 end, int max_line)122{123 u8 buf[16];124 int i = 0, j, len;125 126 if (max_line > 16) {127 dprintk0(sd->dev, "too much data to dump\n");128 return;129 }130 131 for (i = init; i < end; i += max_line) {132 len = (end - i > max_line) ? max_line : end - i;133 134 for (j = 0; j < len; j++)135 buf[j] = tvp5150_read(sd, i + j);136 137 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);138 }139}140 141static int tvp5150_log_status(struct v4l2_subdev *sd)142{143 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",144 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));145 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",146 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));147 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",148 tvp5150_read(sd, TVP5150_OP_MODE_CTL));149 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",150 tvp5150_read(sd, TVP5150_MISC_CTL));151 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",152 tvp5150_read(sd, TVP5150_AUTOSW_MSK));153 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",154 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));155 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",156 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),157 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),158 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));159 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",160 tvp5150_read(sd, TVP5150_BRIGHT_CTL));161 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",162 tvp5150_read(sd, TVP5150_SATURATION_CTL));163 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",164 tvp5150_read(sd, TVP5150_HUE_CTL));165 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",166 tvp5150_read(sd, TVP5150_CONTRAST_CTL));167 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",168 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));169 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",170 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));171 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",172 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),173 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));174 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n",175 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),176 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));177 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",178 tvp5150_read(sd, TVP5150_GENLOCK));179 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",180 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));181 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",182 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));183 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",184 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));185 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",186 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),187 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));188 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",189 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));190 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",191 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));192 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",193 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));194 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",195 tvp5150_read(sd, TVP5150_VIDEO_STD));196 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",197 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),198 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));199 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",200 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));201 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",202 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));203 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",204 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);205 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",206 tvp5150_read(sd, TVP5150_MSB_DEV_ID),207 tvp5150_read(sd, TVP5150_LSB_DEV_ID));208 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",209 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),210 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));211 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",212 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),213 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));214 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));216 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",217 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));218 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",219 tvp5150_read(sd, TVP5150_STATUS_REG_1),220 tvp5150_read(sd, TVP5150_STATUS_REG_2),221 tvp5150_read(sd, TVP5150_STATUS_REG_3),222 tvp5150_read(sd, TVP5150_STATUS_REG_4),223 tvp5150_read(sd, TVP5150_STATUS_REG_5));224 225 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,226 TVP5150_TELETEXT_FIL1_END, 8);227 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,228 TVP5150_TELETEXT_FIL2_END, 8);229 230 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",231 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));232 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",233 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));234 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",235 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));236 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",237 tvp5150_read(sd, TVP5150_INT_CONF));238 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",239 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));240 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",241 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));242 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",243 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));244 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",245 tvp5150_read(sd, TVP5150_FIFO_RESET));246 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",247 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));248 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",249 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),250 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));251 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",252 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));253 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",254 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));255 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",256 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));257 258 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,259 TVP5150_CC_DATA_END, 8);260 261 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,262 TVP5150_WSS_DATA_END, 8);263 264 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,265 TVP5150_VPS_DATA_END, 8);266 267 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,268 TVP5150_VITC_DATA_END, 10);269 270 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,271 TVP5150_LINE_MODE_END, 8);272 return 0;273}274 275/****************************************************************************276 Basic functions277 ****************************************************************************/278 279static void tvp5150_selmux(struct v4l2_subdev *sd)280{281 int opmode = 0;282 struct tvp5150 *decoder = to_tvp5150(sd);283 unsigned int mask, val;284 int input = 0;285 286 /* Only tvp5150am1 and tvp5151 have signal generator support */287 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||288 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {289 if (!decoder->enable)290 input = 8;291 }292 293 switch (decoder->input) {294 case TVP5150_COMPOSITE1:295 input |= 2;296 fallthrough;297 case TVP5150_COMPOSITE0:298 break;299 case TVP5150_SVIDEO:300 default:301 input |= 1;302 break;303 }304 305 dev_dbg_lvl(sd->dev, 1, debug,306 "Selecting video route: route input=%s, output=%s => tvp5150 input=0x%02x, opmode=0x%02x\n",307 decoder->input == 0 ? "aip1a" :308 decoder->input == 2 ? "aip1b" : "svideo",309 decoder->output == 0 ? "normal" : "black-frame-gen",310 input, opmode);311 312 regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode);313 regmap_write(decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, input);314 315 /*316 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For317 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK318 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the319 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set320 * INTREQ/GPCL/VBLK to logic 1.321 */322 mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;323 if (decoder->input == TVP5150_SVIDEO)324 val = TVP5150_MISC_CTL_HVLK;325 else326 val = TVP5150_MISC_CTL_GPCL;327 regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);328};329 330struct i2c_reg_value {331 unsigned char reg;332 unsigned char value;333};334 335/* Default values as sugested at TVP5150AM1 datasheet */336static const struct i2c_reg_value tvp5150_init_default[] = {337 { /* 0x00 */338 TVP5150_VD_IN_SRC_SEL_1, 0x00339 },340 { /* 0x01 */341 TVP5150_ANAL_CHL_CTL, 0x15342 },343 { /* 0x02 */344 TVP5150_OP_MODE_CTL, 0x00345 },346 { /* 0x03 */347 TVP5150_MISC_CTL, 0x01348 },349 { /* 0x06 */350 TVP5150_COLOR_KIL_THSH_CTL, 0x10351 },352 { /* 0x07 */353 TVP5150_LUMA_PROC_CTL_1, 0x60354 },355 { /* 0x08 */356 TVP5150_LUMA_PROC_CTL_2, 0x00357 },358 { /* 0x09 */359 TVP5150_BRIGHT_CTL, 0x80360 },361 { /* 0x0a */362 TVP5150_SATURATION_CTL, 0x80363 },364 { /* 0x0b */365 TVP5150_HUE_CTL, 0x00366 },367 { /* 0x0c */368 TVP5150_CONTRAST_CTL, 0x80369 },370 { /* 0x0d */371 TVP5150_DATA_RATE_SEL, 0x47372 },373 { /* 0x0e */374 TVP5150_LUMA_PROC_CTL_3, 0x00375 },376 { /* 0x0f */377 TVP5150_CONF_SHARED_PIN, 0x08378 },379 { /* 0x11 */380 TVP5150_ACT_VD_CROP_ST_MSB, 0x00381 },382 { /* 0x12 */383 TVP5150_ACT_VD_CROP_ST_LSB, 0x00384 },385 { /* 0x13 */386 TVP5150_ACT_VD_CROP_STP_MSB, 0x00387 },388 { /* 0x14 */389 TVP5150_ACT_VD_CROP_STP_LSB, 0x00390 },391 { /* 0x15 */392 TVP5150_GENLOCK, 0x01393 },394 { /* 0x16 */395 TVP5150_HORIZ_SYNC_START, 0x80396 },397 { /* 0x18 */398 TVP5150_VERT_BLANKING_START, 0x00399 },400 { /* 0x19 */401 TVP5150_VERT_BLANKING_STOP, 0x00402 },403 { /* 0x1a */404 TVP5150_CHROMA_PROC_CTL_1, 0x0c405 },406 { /* 0x1b */407 TVP5150_CHROMA_PROC_CTL_2, 0x14408 },409 { /* 0x1c */410 TVP5150_INT_RESET_REG_B, 0x00411 },412 { /* 0x1d */413 TVP5150_INT_ENABLE_REG_B, 0x00414 },415 { /* 0x1e */416 TVP5150_INTT_CONFIG_REG_B, 0x00417 },418 { /* 0x28 */419 TVP5150_VIDEO_STD, 0x00420 },421 { /* 0x2e */422 TVP5150_MACROVISION_ON_CTR, 0x0f423 },424 { /* 0x2f */425 TVP5150_MACROVISION_OFF_CTR, 0x01426 },427 { /* 0xbb */428 TVP5150_TELETEXT_FIL_ENA, 0x00429 },430 { /* 0xc0 */431 TVP5150_INT_STATUS_REG_A, 0x00432 },433 { /* 0xc1 */434 TVP5150_INT_ENABLE_REG_A, 0x00435 },436 { /* 0xc2 */437 TVP5150_INT_CONF, 0x04438 },439 { /* 0xc8 */440 TVP5150_FIFO_INT_THRESHOLD, 0x80441 },442 { /* 0xc9 */443 TVP5150_FIFO_RESET, 0x00444 },445 { /* 0xca */446 TVP5150_LINE_NUMBER_INT, 0x00447 },448 { /* 0xcb */449 TVP5150_PIX_ALIGN_REG_LOW, 0x4e450 },451 { /* 0xcc */452 TVP5150_PIX_ALIGN_REG_HIGH, 0x00453 },454 { /* 0xcd */455 TVP5150_FIFO_OUT_CTRL, 0x01456 },457 { /* 0xcf */458 TVP5150_FULL_FIELD_ENA, 0x00459 },460 { /* 0xd0 */461 TVP5150_LINE_MODE_INI, 0x00462 },463 { /* 0xfc */464 TVP5150_FULL_FIELD_MODE_REG, 0x7f465 },466 { /* end of data */467 0xff, 0xff468 }469};470 471/* Default values as sugested at TVP5150AM1 datasheet */472static const struct i2c_reg_value tvp5150_init_enable[] = {473 { /* Automatic offset and AGC enabled */474 TVP5150_ANAL_CHL_CTL, 0x15475 }, { /* Activate YCrCb output 0x9 or 0xd ? */476 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |477 TVP5150_MISC_CTL_INTREQ_OE |478 TVP5150_MISC_CTL_YCBCR_OE |479 TVP5150_MISC_CTL_SYNC_OE |480 TVP5150_MISC_CTL_VBLANK |481 TVP5150_MISC_CTL_CLOCK_OE,482 }, { /* Activates video std autodetection for all standards */483 TVP5150_AUTOSW_MSK, 0x0484 }, { /* Default format: 0x47. For 4:2:2: 0x40 */485 TVP5150_DATA_RATE_SEL, 0x47486 }, {487 TVP5150_CHROMA_PROC_CTL_1, 0x0c488 }, {489 TVP5150_CHROMA_PROC_CTL_2, 0x54490 }, { /* Non documented, but initialized on WinTV USB2 */491 0x27, 0x20492 }, {493 0xff, 0xff494 }495};496 497struct tvp5150_vbi_type {498 unsigned int vbi_type;499 unsigned int ini_line;500 unsigned int end_line;501 unsigned int by_field :1;502};503 504struct i2c_vbi_ram_value {505 u16 reg;506 struct tvp5150_vbi_type type;507 unsigned char values[16];508};509 510/* This struct have the values for each supported VBI Standard511 * by512 tvp5150_vbi_types should follow the same order as vbi_ram_default513 * value 0 means rom position 0x10, value 1 means rom position 0x30514 * and so on. There are 16 possible locations from 0 to 15.515 */516 517static const struct i2c_vbi_ram_value vbi_ram_default[] = {518 519 /*520 * FIXME: Current api doesn't handle all VBI types, those not521 * yet supported are placed under #if 0522 */523#if 0524 [0] = {0x010, /* Teletext, SECAM, WST System A */525 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},526 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,527 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }528 },529#endif530 [1] = {0x030, /* Teletext, PAL, WST System B */531 {V4L2_SLICED_TELETEXT_B, 6, 22, 1},532 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,533 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }534 },535#if 0536 [2] = {0x050, /* Teletext, PAL, WST System C */537 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},538 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,539 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }540 },541 [3] = {0x070, /* Teletext, NTSC, WST System B */542 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},543 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,544 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }545 },546 [4] = {0x090, /* Tetetext, NTSC NABTS System C */547 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},548 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,549 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }550 },551 [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */552 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},553 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,554 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }555 },556 [6] = {0x0d0, /* Closed Caption, PAL/SECAM */557 {V4L2_SLICED_CAPTION_625, 22, 22, 1},558 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,559 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }560 },561#endif562 [7] = {0x0f0, /* Closed Caption, NTSC */563 {V4L2_SLICED_CAPTION_525, 21, 21, 1},564 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,565 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }566 },567 [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */568 {V4L2_SLICED_WSS_625, 23, 23, 1},569 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,570 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }571 },572#if 0573 [9] = {0x130, /* Wide Screen Signal, NTSC C */574 {V4L2_SLICED_WSS_525, 20, 20, 1},575 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,576 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }577 },578 [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */579 {V4l2_SLICED_VITC_625, 6, 22, 0},580 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,581 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }582 },583 [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */584 {V4l2_SLICED_VITC_525, 10, 20, 0},585 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,586 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }587 },588#endif589 [12] = {0x190, /* Video Program System (VPS), PAL */590 {V4L2_SLICED_VPS, 16, 16, 0},591 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,592 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }593 },594 /* 0x1d0 User programmable */595};596 597static int tvp5150_write_inittab(struct v4l2_subdev *sd,598 const struct i2c_reg_value *regs)599{600 struct tvp5150 *decoder = to_tvp5150(sd);601 602 while (regs->reg != 0xff) {603 regmap_write(decoder->regmap, regs->reg, regs->value);604 regs++;605 }606 return 0;607}608 609static int tvp5150_vdp_init(struct v4l2_subdev *sd)610{611 struct tvp5150 *decoder = to_tvp5150(sd);612 struct regmap *map = decoder->regmap;613 unsigned int i;614 int j;615 616 /* Disable Full Field */617 regmap_write(map, TVP5150_FULL_FIELD_ENA, 0);618 619 /* Before programming, Line mode should be at 0xff */620 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)621 regmap_write(map, i, 0xff);622 623 /* Load Ram Table */624 for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {625 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];626 627 if (!regs->type.vbi_type)628 continue;629 630 regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);631 regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);632 633 for (i = 0; i < 16; i++)634 regmap_write(map, TVP5150_VDP_CONF_RAM_DATA,635 regs->values[i]);636 }637 return 0;638}639 640/* Fills VBI capabilities based on i2c_vbi_ram_value struct */641static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,642 struct v4l2_sliced_vbi_cap *cap)643{644 int line, i;645 646 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");647 memset(cap, 0, sizeof(*cap));648 649 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {650 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];651 652 if (!regs->type.vbi_type)653 continue;654 655 for (line = regs->type.ini_line;656 line <= regs->type.end_line;657 line++) {658 cap->service_lines[0][line] |= regs->type.vbi_type;659 }660 cap->service_set |= regs->type.vbi_type;661 }662 return 0;663}664 665/* Set vbi processing666 * type - one of tvp5150_vbi_types667 * line - line to gather data668 * fields: bit 0 field1, bit 1, field2669 * flags (default=0xf0) is a bitmask, were set means:670 * bit 7: enable filtering null bytes on CC671 * bit 6: send data also to FIFO672 * bit 5: don't allow data with errors on FIFO673 * bit 4: enable ECC when possible674 * pix_align = pix alignment:675 * LSB = field1676 * MSB = field2677 */678static int tvp5150_set_vbi(struct v4l2_subdev *sd,679 unsigned int type, u8 flags, int line,680 const int fields)681{682 struct tvp5150 *decoder = to_tvp5150(sd);683 v4l2_std_id std = decoder->norm;684 u8 reg;685 int i, pos = 0;686 687 if (std == V4L2_STD_ALL) {688 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");689 return 0;690 } else if (std & V4L2_STD_625_50) {691 /* Don't follow NTSC Line number convension */692 line += 3;693 }694 695 if (line < 6 || line > 27)696 return 0;697 698 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {699 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];700 701 if (!regs->type.vbi_type)702 continue;703 704 if ((type & regs->type.vbi_type) &&705 (line >= regs->type.ini_line) &&706 (line <= regs->type.end_line))707 break;708 pos++;709 }710 711 type = pos | (flags & 0xf0);712 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;713 714 if (fields & 1)715 regmap_write(decoder->regmap, reg, type);716 717 if (fields & 2)718 regmap_write(decoder->regmap, reg + 1, type);719 720 return type;721}722 723static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)724{725 struct tvp5150 *decoder = to_tvp5150(sd);726 v4l2_std_id std = decoder->norm;727 u8 reg;728 int pos, type = 0;729 int i, ret = 0;730 731 if (std == V4L2_STD_ALL) {732 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");733 return 0;734 } else if (std & V4L2_STD_625_50) {735 /* Don't follow NTSC Line number convension */736 line += 3;737 }738 739 if (line < 6 || line > 27)740 return 0;741 742 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;743 744 for (i = 0; i <= 1; i++) {745 ret = tvp5150_read(sd, reg + i);746 if (ret < 0) {747 dev_err(sd->dev, "%s: failed with error = %d\n",748 __func__, ret);749 return 0;750 }751 pos = ret & 0x0f;752 if (pos < ARRAY_SIZE(vbi_ram_default))753 type |= vbi_ram_default[pos].type.vbi_type;754 }755 756 return type;757}758 759static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)760{761 struct tvp5150 *decoder = to_tvp5150(sd);762 int fmt = 0;763 764 /* First tests should be against specific std */765 766 if (std == V4L2_STD_NTSC_443) {767 fmt = VIDEO_STD_NTSC_4_43_BIT;768 } else if (std == V4L2_STD_PAL_M) {769 fmt = VIDEO_STD_PAL_M_BIT;770 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {771 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;772 } else {773 /* Then, test against generic ones */774 if (std & V4L2_STD_NTSC)775 fmt = VIDEO_STD_NTSC_MJ_BIT;776 else if (std & V4L2_STD_PAL)777 fmt = VIDEO_STD_PAL_BDGHIN_BIT;778 else if (std & V4L2_STD_SECAM)779 fmt = VIDEO_STD_SECAM_BIT;780 }781 782 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);783 regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt);784 return 0;785}786 787static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)788{789 struct tvp5150 *decoder = to_tvp5150(sd);790 791 *std = decoder->norm;792 793 return 0;794}795 796static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)797{798 struct tvp5150 *decoder = to_tvp5150(sd);799 struct tvp5150_connector *cur_con = decoder->cur_connector;800 v4l2_std_id supported_stds;801 802 if (decoder->norm == std)803 return 0;804 805 /* In case of no of-connectors are available no limitations are made */806 if (!decoder->connectors_num)807 supported_stds = V4L2_STD_ALL;808 else809 supported_stds = cur_con->base.connector.analog.sdtv_stds;810 811 /*812 * Check if requested std or group of std's is/are supported by the813 * connector.814 */815 if ((supported_stds & std) == 0)816 return -EINVAL;817 818 /* Change cropping height limits */819 if (std & V4L2_STD_525_60)820 decoder->rect.height = TVP5150_V_MAX_525_60;821 else822 decoder->rect.height = TVP5150_V_MAX_OTHERS;823 824 /* Set only the specific supported std in case of group of std's. */825 decoder->norm = supported_stds & std;826 827 return tvp5150_set_std(sd, std);828}829 830static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)831{832 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);833 834 switch (val & 0x0F) {835 case 0x01:836 return V4L2_STD_NTSC;837 case 0x03:838 return V4L2_STD_PAL;839 case 0x05:840 return V4L2_STD_PAL_M;841 case 0x07:842 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;843 case 0x09:844 return V4L2_STD_NTSC_443;845 case 0xb:846 return V4L2_STD_SECAM;847 default:848 return V4L2_STD_UNKNOWN;849 }850}851 852static int query_lock(struct v4l2_subdev *sd)853{854 struct tvp5150 *decoder = to_tvp5150(sd);855 int status;856 857 if (decoder->irq)858 return decoder->lock;859 860 regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status);861 862 /* For standard detection, we need the 3 locks */863 return (status & 0x0e) == 0x0e;864}865 866static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)867{868 *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;869 870 return 0;871}872 873static const struct v4l2_event tvp5150_ev_fmt = {874 .type = V4L2_EVENT_SOURCE_CHANGE,875 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,876};877 878static irqreturn_t tvp5150_isr(int irq, void *dev_id)879{880 struct tvp5150 *decoder = dev_id;881 struct regmap *map = decoder->regmap;882 unsigned int mask, active = 0, status = 0;883 884 mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |885 TVP5150_MISC_CTL_CLOCK_OE;886 887 regmap_read(map, TVP5150_INT_STATUS_REG_A, &status);888 if (status) {889 regmap_write(map, TVP5150_INT_STATUS_REG_A, status);890 891 if (status & TVP5150_INT_A_LOCK) {892 decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);893 dev_dbg_lvl(decoder->sd.dev, 1, debug,894 "sync lo%s signal\n",895 decoder->lock ? "ck" : "ss");896 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);897 regmap_update_bits(map, TVP5150_MISC_CTL, mask,898 decoder->lock ? decoder->oe : 0);899 }900 901 return IRQ_HANDLED;902 }903 904 regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active);905 if (active) {906 status = 0;907 regmap_read(map, TVP5150_INT_STATUS_REG_B, &status);908 if (status)909 regmap_write(map, TVP5150_INT_RESET_REG_B, status);910 }911 912 return IRQ_HANDLED;913}914 915static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)916{917 struct tvp5150 *decoder = to_tvp5150(sd);918 struct regmap *map = decoder->regmap;919 920 /* Initializes TVP5150 to its default values */921 tvp5150_write_inittab(sd, tvp5150_init_default);922 923 if (decoder->irq) {924 /* Configure pins: FID, VSYNC, INTREQ, SCLK */925 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0);926 /* Set interrupt polarity to active high */927 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1);928 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1);929 } else {930 /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */931 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2);932 /* Keep interrupt polarity active low */933 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE);934 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0);935 }936 937 /* Initializes VDP registers */938 tvp5150_vdp_init(sd);939 940 /* Selects decoder input */941 tvp5150_selmux(sd);942 943 /* Initialize image preferences */944 v4l2_ctrl_handler_setup(&decoder->hdl);945 946 return 0;947}948 949static int tvp5150_enable(struct v4l2_subdev *sd)950{951 struct tvp5150 *decoder = to_tvp5150(sd);952 v4l2_std_id std;953 954 /* Initializes TVP5150 to stream enabled values */955 tvp5150_write_inittab(sd, tvp5150_init_enable);956 957 if (decoder->norm == V4L2_STD_ALL)958 std = tvp5150_read_std(sd);959 else960 std = decoder->norm;961 962 /* Disable autoswitch mode */963 tvp5150_set_std(sd, std);964 965 /*966 * Enable the YCbCr and clock outputs. In discrete sync mode967 * (non-BT.656) additionally enable the sync outputs.968 */969 switch (decoder->mbus_type) {970 case V4L2_MBUS_PARALLEL:971 /* 8-bit 4:2:2 YUV with discrete sync output */972 regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL,973 0x7, 0x0);974 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |975 TVP5150_MISC_CTL_CLOCK_OE |976 TVP5150_MISC_CTL_SYNC_OE;977 break;978 case V4L2_MBUS_BT656:979 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |980 TVP5150_MISC_CTL_CLOCK_OE;981 break;982 default:983 return -EINVAL;984 }985 986 return 0;987};988 989static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)990{991 struct v4l2_subdev *sd = to_sd(ctrl);992 struct tvp5150 *decoder = to_tvp5150(sd);993 994 switch (ctrl->id) {995 case V4L2_CID_BRIGHTNESS:996 regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);997 return 0;998 case V4L2_CID_CONTRAST:999 regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);1000 return 0;1001 case V4L2_CID_SATURATION:1002 regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,1003 ctrl->val);1004 return 0;1005 case V4L2_CID_HUE:1006 regmap_write(decoder->regmap, TVP5150_HUE_CTL, ctrl->val);1007 return 0;1008 case V4L2_CID_TEST_PATTERN:1009 decoder->enable = ctrl->val ? false : true;1010 tvp5150_selmux(sd);1011 return 0;1012 }1013 return -EINVAL;1014}1015 1016static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)1017{1018 /* Default is no cropping */1019 crop->top = 0;1020 crop->left = 0;1021 crop->width = TVP5150_H_MAX;1022 if (std & V4L2_STD_525_60)1023 crop->height = TVP5150_V_MAX_525_60;1024 else1025 crop->height = TVP5150_V_MAX_OTHERS;1026}1027 1028static struct v4l2_rect *1029tvp5150_get_pad_crop(struct tvp5150 *decoder,1030 struct v4l2_subdev_state *sd_state, unsigned int pad,1031 enum v4l2_subdev_format_whence which)1032{1033 switch (which) {1034 case V4L2_SUBDEV_FORMAT_ACTIVE:1035 return &decoder->rect;1036 case V4L2_SUBDEV_FORMAT_TRY:1037#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)1038 return v4l2_subdev_state_get_crop(sd_state, pad);1039#else1040 return ERR_PTR(-EINVAL);1041#endif1042 default:1043 return ERR_PTR(-EINVAL);1044 }1045}1046 1047static int tvp5150_fill_fmt(struct v4l2_subdev *sd,1048 struct v4l2_subdev_state *sd_state,1049 struct v4l2_subdev_format *format)1050{1051 struct v4l2_mbus_framefmt *f;1052 struct tvp5150 *decoder = to_tvp5150(sd);1053 1054 if (!format || (format->pad != TVP5150_PAD_VID_OUT))1055 return -EINVAL;1056 1057 f = &format->format;1058 1059 f->width = decoder->rect.width;1060 f->height = decoder->rect.height / 2;1061 1062 f->code = TVP5150_MBUS_FMT;1063 f->field = TVP5150_FIELD;1064 f->colorspace = TVP5150_COLORSPACE;1065 1066 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,1067 f->height);1068 return 0;1069}1070 1071static unsigned int tvp5150_get_hmax(struct v4l2_subdev *sd)1072{1073 struct tvp5150 *decoder = to_tvp5150(sd);1074 v4l2_std_id std;1075 1076 /* Calculate height based on current standard */1077 if (decoder->norm == V4L2_STD_ALL)1078 std = tvp5150_read_std(sd);1079 else1080 std = decoder->norm;1081 1082 return (std & V4L2_STD_525_60) ?1083 TVP5150_V_MAX_525_60 : TVP5150_V_MAX_OTHERS;1084}1085 1086static void tvp5150_set_hw_selection(struct v4l2_subdev *sd,1087 struct v4l2_rect *rect)1088{1089 struct tvp5150 *decoder = to_tvp5150(sd);1090 unsigned int hmax = tvp5150_get_hmax(sd);1091 1092 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect->top);1093 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,1094 rect->top + rect->height - hmax);1095 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,1096 rect->left >> TVP5150_CROP_SHIFT);1097 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,1098 rect->left | (1 << TVP5150_CROP_SHIFT));1099 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,1100 (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >>1101 TVP5150_CROP_SHIFT);1102 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,1103 rect->left + rect->width - TVP5150_MAX_CROP_LEFT);1104}1105 1106static int tvp5150_set_selection(struct v4l2_subdev *sd,1107 struct v4l2_subdev_state *sd_state,1108 struct v4l2_subdev_selection *sel)1109{1110 struct tvp5150 *decoder = to_tvp5150(sd);1111 struct v4l2_rect *rect = &sel->r;1112 struct v4l2_rect *crop;1113 unsigned int hmax;1114 1115 if (sel->target != V4L2_SEL_TGT_CROP)1116 return -EINVAL;1117 1118 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",1119 __func__, rect->left, rect->top, rect->width, rect->height);1120 1121 /* tvp5150 has some special limits */1122 rect->left = clamp(rect->left, 0, TVP5150_MAX_CROP_LEFT);1123 rect->top = clamp(rect->top, 0, TVP5150_MAX_CROP_TOP);1124 hmax = tvp5150_get_hmax(sd);1125 1126 /*1127 * alignments:1128 * - width = 2 due to UYVY colorspace1129 * - height, image = no special alignment1130 */1131 v4l_bound_align_image(&rect->width,1132 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect->left,1133 TVP5150_H_MAX - rect->left, 1, &rect->height,1134 hmax - TVP5150_MAX_CROP_TOP - rect->top,1135 hmax - rect->top, 0, 0);1136 1137 if (!IS_ENABLED(CONFIG_VIDEO_V4L2_SUBDEV_API) &&1138 sel->which == V4L2_SUBDEV_FORMAT_TRY)1139 return 0;1140 1141 crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad, sel->which);1142 if (IS_ERR(crop))1143 return PTR_ERR(crop);1144 1145 /*1146 * Update output image size if the selection (crop) rectangle size or1147 * position has been modified.1148 */1149 if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE &&1150 !v4l2_rect_equal(rect, crop))1151 tvp5150_set_hw_selection(sd, rect);1152 1153 *crop = *rect;1154 1155 return 0;1156}1157 1158static int tvp5150_get_selection(struct v4l2_subdev *sd,1159 struct v4l2_subdev_state *sd_state,1160 struct v4l2_subdev_selection *sel)1161{1162 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);1163 struct v4l2_rect *crop;1164 v4l2_std_id std;1165 1166 switch (sel->target) {1167 case V4L2_SEL_TGT_CROP_BOUNDS:1168 sel->r.left = 0;1169 sel->r.top = 0;1170 sel->r.width = TVP5150_H_MAX;1171 1172 /* Calculate height based on current standard */1173 if (decoder->norm == V4L2_STD_ALL)1174 std = tvp5150_read_std(sd);1175 else1176 std = decoder->norm;1177 if (std & V4L2_STD_525_60)1178 sel->r.height = TVP5150_V_MAX_525_60;1179 else1180 sel->r.height = TVP5150_V_MAX_OTHERS;1181 return 0;1182 case V4L2_SEL_TGT_CROP:1183 crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad,1184 sel->which);1185 if (IS_ERR(crop))1186 return PTR_ERR(crop);1187 sel->r = *crop;1188 return 0;1189 default:1190 return -EINVAL;1191 }1192}1193 1194static int tvp5150_get_mbus_config(struct v4l2_subdev *sd,1195 unsigned int pad,1196 struct v4l2_mbus_config *cfg)1197{1198 struct tvp5150 *decoder = to_tvp5150(sd);1199 1200 cfg->type = decoder->mbus_type;1201 cfg->bus.parallel.flags = V4L2_MBUS_MASTER1202 | V4L2_MBUS_PCLK_SAMPLE_RISING1203 | V4L2_MBUS_FIELD_EVEN_LOW1204 | V4L2_MBUS_DATA_ACTIVE_HIGH;1205 1206 return 0;1207}1208 1209/****************************************************************************1210 V4L2 subdev pad ops1211 ****************************************************************************/1212static int tvp5150_init_state(struct v4l2_subdev *sd,1213 struct v4l2_subdev_state *sd_state)1214{1215 struct tvp5150 *decoder = to_tvp5150(sd);1216 v4l2_std_id std;1217 1218 /*1219 * Reset selection to maximum on subdev_open() if autodetection is on1220 * and a standard change is detected.1221 */1222 if (decoder->norm == V4L2_STD_ALL) {1223 std = tvp5150_read_std(sd);1224 if (std != decoder->detected_norm) {1225 decoder->detected_norm = std;1226 tvp5150_set_default(std, &decoder->rect);1227 }1228 }1229 1230 return 0;1231}1232 1233static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,1234 struct v4l2_subdev_state *sd_state,1235 struct v4l2_subdev_mbus_code_enum *code)1236{1237 if (code->pad || code->index)1238 return -EINVAL;1239 1240 code->code = TVP5150_MBUS_FMT;1241 return 0;1242}1243 1244static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,1245 struct v4l2_subdev_state *sd_state,1246 struct v4l2_subdev_frame_size_enum *fse)1247{1248 struct tvp5150 *decoder = to_tvp5150(sd);1249 1250 if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)1251 return -EINVAL;1252 1253 fse->code = TVP5150_MBUS_FMT;1254 fse->min_width = decoder->rect.width;1255 fse->max_width = decoder->rect.width;1256 fse->min_height = decoder->rect.height / 2;1257 fse->max_height = decoder->rect.height / 2;1258 1259 return 0;1260}1261 1262/****************************************************************************1263 * Media entity ops1264 ****************************************************************************/1265#if defined(CONFIG_MEDIA_CONTROLLER)1266static int tvp5150_set_link(struct media_pad *connector_pad,1267 struct media_pad *tvp5150_pad, u32 flags)1268{1269 struct media_link *link;1270 1271 link = media_entity_find_link(connector_pad, tvp5150_pad);1272 if (!link)1273 return -EINVAL;1274 1275 link->flags = flags;1276 link->reverse->flags = link->flags;1277 1278 return 0;1279}1280 1281static int tvp5150_disable_all_input_links(struct tvp5150 *decoder)1282{1283 struct media_pad *connector_pad;1284 unsigned int i;1285 int err;1286 1287 for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {1288 connector_pad = media_pad_remote_pad_first(&decoder->pads[i]);1289 if (!connector_pad)1290 continue;1291 1292 err = tvp5150_set_link(connector_pad, &decoder->pads[i], 0);1293 if (err)1294 return err;1295 }1296 1297 return 0;1298}1299 1300static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,1301 u32 config);1302 1303static int tvp5150_link_setup(struct media_entity *entity,1304 const struct media_pad *tvp5150_pad,1305 const struct media_pad *remote, u32 flags)1306{1307 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);1308 struct tvp5150 *decoder = to_tvp5150(sd);1309 struct media_pad *other_tvp5150_pad =1310 &decoder->pads[tvp5150_pad->index ^ 1];1311 struct v4l2_fwnode_connector *v4l2c;1312 bool is_svideo = false;1313 unsigned int i;1314 int err;1315 1316 /*1317 * The TVP5150 state is determined by the enabled sink pad link(s).1318 * Enabling or disabling the source pad link has no effect.1319 */1320 if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE)1321 return 0;1322 1323 /* Check if the svideo connector should be enabled */1324 for (i = 0; i < decoder->connectors_num; i++) {1325 if (remote->entity == &decoder->connectors[i].ent) {1326 v4l2c = &decoder->connectors[i].base;1327 is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;1328 break;1329 }1330 }1331 1332 dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]",1333 remote->entity->name, remote->index,1334 tvp5150_pad->entity->name, tvp5150_pad->index,1335 flags & MEDIA_LNK_FL_ENABLED);1336 if (is_svideo)1337 dev_dbg_lvl(sd->dev, 1, debug,1338 "link setup '%s':%d->'%s':%d[%d]",1339 remote->entity->name, remote->index,1340 other_tvp5150_pad->entity->name,1341 other_tvp5150_pad->index,1342 flags & MEDIA_LNK_FL_ENABLED);1343 1344 /*1345 * The TVP5150 has an internal mux which allows the following setup:1346 *1347 * comp-connector1 --\1348 * |---> AIP1A1349 * /1350 * svideo-connector -|1351 * \1352 * |---> AIP1B1353 * comp-connector2 --/1354 *1355 * We can't rely on user space that the current connector gets disabled1356 * first before enabling the new connector. Disable all active1357 * connector links to be on the safe side.1358 */1359 err = tvp5150_disable_all_input_links(decoder);1360 if (err)1361 return err;1362 1363 tvp5150_s_routing(sd, is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index,1364 flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL :1365 TVP5150_BLACK_SCREEN, 0);1366 1367 if (flags & MEDIA_LNK_FL_ENABLED) {1368 struct v4l2_fwnode_connector_analog *v4l2ca;1369 u32 new_norm;1370 1371 /*1372 * S-Video connector is conneted to both ports AIP1A and AIP1B.1373 * Both links must be enabled in one-shot regardless which link1374 * the user requests.1375 */1376 if (is_svideo) {1377 err = tvp5150_set_link((struct media_pad *)remote,1378 other_tvp5150_pad, flags);1379 if (err)1380 return err;1381 }1382 1383 if (!decoder->connectors_num)1384 return 0;1385 1386 /* Update the current connector */1387 decoder->cur_connector =1388 container_of(remote, struct tvp5150_connector, pad);1389 1390 /*1391 * Do nothing if the new connector supports the same tv-norms as1392 * the old one.1393 */1394 v4l2ca = &decoder->cur_connector->base.connector.analog;1395 new_norm = decoder->norm & v4l2ca->sdtv_stds;1396 if (decoder->norm == new_norm)1397 return 0;1398 1399 /*1400 * Fallback to the new connector tv-norms if we can't find any1401 * common between the current tv-norm and the new one.1402 */1403 tvp5150_s_std(sd, new_norm ? new_norm : v4l2ca->sdtv_stds);1404 }1405 1406 return 0;1407}1408 1409static const struct media_entity_operations tvp5150_sd_media_ops = {1410 .link_setup = tvp5150_link_setup,1411};1412#endif1413/****************************************************************************1414 I2C Command1415 ****************************************************************************/1416static int __maybe_unused tvp5150_runtime_suspend(struct device *dev)1417{1418 struct v4l2_subdev *sd = dev_get_drvdata(dev);1419 struct tvp5150 *decoder = to_tvp5150(sd);1420 1421 if (decoder->irq)1422 /* Disable lock interrupt */1423 return regmap_update_bits(decoder->regmap,1424 TVP5150_INT_ENABLE_REG_A,1425 TVP5150_INT_A_LOCK, 0);1426 return 0;1427}1428 1429static int __maybe_unused tvp5150_runtime_resume(struct device *dev)1430{1431 struct v4l2_subdev *sd = dev_get_drvdata(dev);1432 struct tvp5150 *decoder = to_tvp5150(sd);1433 1434 if (decoder->irq)1435 /* Enable lock interrupt */1436 return regmap_update_bits(decoder->regmap,1437 TVP5150_INT_ENABLE_REG_A,1438 TVP5150_INT_A_LOCK,1439 TVP5150_INT_A_LOCK);1440 return 0;1441}1442 1443static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)1444{1445 struct tvp5150 *decoder = to_tvp5150(sd);1446 unsigned int mask, val = 0;1447 int ret;1448 1449 mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |1450 TVP5150_MISC_CTL_CLOCK_OE;1451 1452 if (enable) {1453 ret = pm_runtime_resume_and_get(sd->dev);1454 if (ret < 0)1455 return ret;1456 1457 tvp5150_enable(sd);1458 1459 /* Enable outputs if decoder is locked */1460 if (decoder->irq)1461 val = decoder->lock ? decoder->oe : 0;1462 else1463 val = decoder->oe;1464 1465 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);1466 } else {1467 pm_runtime_put(sd->dev);1468 }1469 1470 regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);1471 1472 return 0;1473}1474 1475static int tvp5150_s_routing(struct v4l2_subdev *sd,1476 u32 input, u32 output, u32 config)1477{1478 struct tvp5150 *decoder = to_tvp5150(sd);1479 1480 decoder->input = input;1481 decoder->output = output;1482 1483 if (output == TVP5150_BLACK_SCREEN)1484 decoder->enable = false;1485 else1486 decoder->enable = true;1487 1488 tvp5150_selmux(sd);1489 return 0;1490}1491 1492static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)1493{1494 struct tvp5150 *decoder = to_tvp5150(sd);1495 1496 /*1497 * this is for capturing 36 raw vbi lines1498 * if there's a way to cut off the beginning 2 vbi lines1499 * with the tvp5150 then the vbi line count could be lowered1500 * to 17 lines/field again, although I couldn't find a register1501 * which could do that cropping1502 */1503 1504 if (fmt->sample_format == V4L2_PIX_FMT_GREY)1505 regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);1506 if (fmt->count[0] == 18 && fmt->count[1] == 18) {1507 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START,1508 0x00);1509 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01);1510 }1511 return 0;1512}1513 1514static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)1515{1516 struct tvp5150 *decoder = to_tvp5150(sd);1517 int i;1518 1519 if (svbi->service_set != 0) {1520 for (i = 0; i <= 23; i++) {1521 svbi->service_lines[1][i] = 0;1522 svbi->service_lines[0][i] =1523 tvp5150_set_vbi(sd, svbi->service_lines[0][i],1524 0xf0, i, 3);1525 }1526 /* Enables FIFO */1527 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);1528 } else {1529 /* Disables FIFO*/1530 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);1531 1532 /* Disable Full Field */1533 regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);1534 1535 /* Disable Line modes */1536 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)1537 regmap_write(decoder->regmap, i, 0xff);1538 }1539 return 0;1540}1541 1542static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)1543{1544 int i, mask = 0;1545 1546 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));1547 1548 for (i = 0; i <= 23; i++) {1549 svbi->service_lines[0][i] =1550 tvp5150_get_vbi(sd, i);1551 mask |= svbi->service_lines[0][i];1552 }1553 svbi->service_set = mask;1554 return 0;1555}1556 1557#ifdef CONFIG_VIDEO_ADV_DEBUG1558static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)1559{1560 int res;1561 1562 res = tvp5150_read(sd, reg->reg & 0xff);1563 if (res < 0) {1564 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);1565 return res;1566 }1567 1568 reg->val = res;1569 reg->size = 1;1570 return 0;1571}1572 1573static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)1574{1575 struct tvp5150 *decoder = to_tvp5150(sd);1576 1577 return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);1578}1579#endif1580 1581static int tvp5150_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,1582 struct v4l2_event_subscription *sub)1583{1584 switch (sub->type) {1585 case V4L2_EVENT_SOURCE_CHANGE:1586 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);1587 case V4L2_EVENT_CTRL:1588 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);1589 default:1590 return -EINVAL;1591 }1592}1593 1594static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)1595{1596 int status = tvp5150_read(sd, 0x88);1597 1598 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;1599 return 0;1600}1601 1602static int tvp5150_registered(struct v4l2_subdev *sd)1603{1604#if defined(CONFIG_MEDIA_CONTROLLER)1605 struct tvp5150 *decoder = to_tvp5150(sd);1606 unsigned int i;1607 int ret;1608 1609 /*1610 * Setup connector pads and links. Enable the link to the first1611 * available connector per default.1612 */1613 for (i = 0; i < decoder->connectors_num; i++) {1614 struct media_entity *con = &decoder->connectors[i].ent;1615 struct media_pad *pad = &decoder->connectors[i].pad;1616 struct v4l2_fwnode_connector *v4l2c =1617 &decoder->connectors[i].base;1618 struct v4l2_connector_link *link =1619 v4l2_connector_first_link(v4l2c);1620 unsigned int port = link->fwnode_link.remote_port;1621 unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED;1622 bool is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;1623 1624 pad->flags = MEDIA_PAD_FL_SOURCE;1625 ret = media_entity_pads_init(con, 1, pad);1626 if (ret < 0)1627 goto err;1628 1629 ret = media_device_register_entity(sd->v4l2_dev->mdev, con);1630 if (ret < 0)1631 goto err;1632 1633 ret = media_create_pad_link(con, 0, &sd->entity, port, flags);1634 if (ret < 0)1635 goto err;1636 1637 if (is_svideo) {1638 /*1639 * Check tvp5150_link_setup() comments for more1640 * information.1641 */1642 link = v4l2_connector_last_link(v4l2c);1643 port = link->fwnode_link.remote_port;1644 ret = media_create_pad_link(con, 0, &sd->entity, port,1645 flags);1646 if (ret < 0)1647 goto err;1648 }1649 1650 /* Enable default input. */1651 if (flags == MEDIA_LNK_FL_ENABLED) {1652 decoder->input =1653 is_svideo ? TVP5150_SVIDEO :1654 port == 0 ? TVP5150_COMPOSITE0 :1655 TVP5150_COMPOSITE1;1656 1657 tvp5150_selmux(sd);1658 decoder->cur_connector = &decoder->connectors[i];1659 tvp5150_s_std(sd, v4l2c->connector.analog.sdtv_stds);1660 }1661 }1662 1663 return 0;1664 1665err:1666 for (i = 0; i < decoder->connectors_num; i++) {1667 media_device_unregister_entity(&decoder->connectors[i].ent);1668 media_entity_cleanup(&decoder->connectors[i].ent);1669 }1670 return ret;1671#endif1672 1673 return 0;1674}1675 1676static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)1677{1678 return pm_runtime_resume_and_get(sd->dev);1679}1680 1681static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)1682{1683 pm_runtime_put(sd->dev);1684 1685 return 0;1686}1687 1688/* ----------------------------------------------------------------------- */1689 1690static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {1691 .s_ctrl = tvp5150_s_ctrl,1692};1693 1694static const struct v4l2_subdev_core_ops tvp5150_core_ops = {1695 .log_status = tvp5150_log_status,1696 .reset = tvp5150_reset,1697#ifdef CONFIG_VIDEO_ADV_DEBUG1698 .g_register = tvp5150_g_register,1699 .s_register = tvp5150_s_register,1700#endif1701 .subscribe_event = tvp5150_subscribe_event,1702 .unsubscribe_event = v4l2_event_subdev_unsubscribe,1703};1704 1705static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {1706 .g_tuner = tvp5150_g_tuner,1707};1708 1709static const struct v4l2_subdev_video_ops tvp5150_video_ops = {1710 .s_std = tvp5150_s_std,1711 .g_std = tvp5150_g_std,1712 .querystd = tvp5150_querystd,1713 .s_stream = tvp5150_s_stream,1714 .s_routing = tvp5150_s_routing,1715};1716 1717static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {1718 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,1719 .g_sliced_fmt = tvp5150_g_sliced_fmt,1720 .s_sliced_fmt = tvp5150_s_sliced_fmt,1721 .s_raw_fmt = tvp5150_s_raw_fmt,1722};1723 1724static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {1725 .enum_mbus_code = tvp5150_enum_mbus_code,1726 .enum_frame_size = tvp5150_enum_frame_size,1727 .set_fmt = tvp5150_fill_fmt,1728 .get_fmt = tvp5150_fill_fmt,1729 .get_selection = tvp5150_get_selection,1730 .set_selection = tvp5150_set_selection,1731 .get_mbus_config = tvp5150_get_mbus_config,1732};1733 1734static const struct v4l2_subdev_ops tvp5150_ops = {1735 .core = &tvp5150_core_ops,1736 .tuner = &tvp5150_tuner_ops,1737 .video = &tvp5150_video_ops,1738 .vbi = &tvp5150_vbi_ops,1739 .pad = &tvp5150_pad_ops,1740};1741 1742static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {1743 .init_state = tvp5150_init_state,1744 .registered = tvp5150_registered,1745 .open = tvp5150_open,1746 .close = tvp5150_close,1747};1748 1749/****************************************************************************1750 I2C Client & Driver1751 ****************************************************************************/1752 1753static const struct regmap_range tvp5150_readable_ranges[] = {1754 {1755 .range_min = TVP5150_VD_IN_SRC_SEL_1,1756 .range_max = TVP5150_AUTOSW_MSK,1757 }, {1758 .range_min = TVP5150_COLOR_KIL_THSH_CTL,1759 .range_max = TVP5150_CONF_SHARED_PIN,1760 }, {1761 .range_min = TVP5150_ACT_VD_CROP_ST_MSB,1762 .range_max = TVP5150_HORIZ_SYNC_START,1763 }, {1764 .range_min = TVP5150_VERT_BLANKING_START,1765 .range_max = TVP5150_INTT_CONFIG_REG_B,1766 }, {1767 .range_min = TVP5150_VIDEO_STD,1768 .range_max = TVP5150_VIDEO_STD,1769 }, {1770 .range_min = TVP5150_CB_GAIN_FACT,1771 .range_max = TVP5150_REV_SELECT,1772 }, {1773 .range_min = TVP5150_MSB_DEV_ID,1774 .range_max = TVP5150_STATUS_REG_5,1775 }, {1776 .range_min = TVP5150_CC_DATA_INI,1777 .range_max = TVP5150_TELETEXT_FIL_ENA,1778 }, {1779 .range_min = TVP5150_INT_STATUS_REG_A,1780 .range_max = TVP5150_FIFO_OUT_CTRL,1781 }, {1782 .range_min = TVP5150_FULL_FIELD_ENA,1783 .range_max = TVP5150_FULL_FIELD_MODE_REG,1784 },1785};1786 1787static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)1788{1789 switch (reg) {1790 case TVP5150_VERT_LN_COUNT_MSB:1791 case TVP5150_VERT_LN_COUNT_LSB:1792 case TVP5150_INT_STATUS_REG_A:1793 case TVP5150_INT_STATUS_REG_B:1794 case TVP5150_INT_ACTIVE_REG_B:1795 case TVP5150_STATUS_REG_1:1796 case TVP5150_STATUS_REG_2:1797 case TVP5150_STATUS_REG_3:1798 case TVP5150_STATUS_REG_4:1799 case TVP5150_STATUS_REG_5:1800 /* CC, WSS, VPS, VITC data? */1801 case TVP5150_VBI_FIFO_READ_DATA:1802 case TVP5150_VDP_STATUS_REG:1803 case TVP5150_FIFO_WORD_COUNT:1804 return true;1805 default:1806 return false;1807 }1808}1809 1810static const struct regmap_access_table tvp5150_readable_table = {1811 .yes_ranges = tvp5150_readable_ranges,1812 .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges),1813};1814 1815static const struct regmap_config tvp5150_config = {1816 .reg_bits = 8,1817 .val_bits = 8,1818 .max_register = 0xff,1819 1820 .cache_type = REGCACHE_MAPLE,1821 1822 .rd_table = &tvp5150_readable_table,1823 .volatile_reg = tvp5150_volatile_reg,1824};1825 1826static int tvp5150_detect_version(struct tvp5150 *core)1827{1828 struct v4l2_subdev *sd = &core->sd;1829 struct i2c_client *c = v4l2_get_subdevdata(sd);1830 u8 regs[4];1831 int res;1832 1833 /*1834 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,1835 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER1836 */1837 res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4);1838 if (res < 0) {1839 dev_err(&c->dev, "reading ID registers failed: %d\n", res);1840 return res;1841 }1842 1843 core->dev_id = (regs[0] << 8) | regs[1];1844 core->rom_ver = (regs[2] << 8) | regs[3];1845 1846 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",1847 core->dev_id, regs[2], regs[3], c->addr << 1,1848 c->adapter->name);1849 1850 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {1851 dev_info(sd->dev, "tvp5150a detected.\n");1852 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {1853 dev_info(sd->dev, "tvp5150am1 detected.\n");1854 1855 /* ITU-T BT.656.4 timing */1856 regmap_write(core->regmap, TVP5150_REV_SELECT, 0);1857 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {1858 dev_info(sd->dev, "tvp5151 detected.\n");1859 } else {1860 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",1861 core->dev_id);1862 }1863 1864 return 0;1865}1866 1867static int tvp5150_init(struct i2c_client *c)1868{1869 struct gpio_desc *pdn_gpio;1870 struct gpio_desc *reset_gpio;1871 1872 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);1873 if (IS_ERR(pdn_gpio))1874 return PTR_ERR(pdn_gpio);1875 1876 if (pdn_gpio) {1877 gpiod_set_value_cansleep(pdn_gpio, 0);1878 /* Delay time between power supplies active and reset */1879 msleep(20);1880 }1881 1882 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);1883 if (IS_ERR(reset_gpio))1884 return PTR_ERR(reset_gpio);1885 1886 if (reset_gpio) {1887 /* RESETB pulse duration */1888 ndelay(500);1889 gpiod_set_value_cansleep(reset_gpio, 0);1890 /* Delay time between end of reset to I2C active */1891 usleep_range(200, 250);1892 }1893 1894 return 0;1895}1896 1897#if defined(CONFIG_MEDIA_CONTROLLER)1898static int tvp5150_mc_init(struct tvp5150 *decoder)1899{1900 struct v4l2_subdev *sd = &decoder->sd;1901 unsigned int i;1902 1903 sd->entity.ops = &tvp5150_sd_media_ops;1904 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;1905 1906 for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {1907 decoder->pads[i].flags = MEDIA_PAD_FL_SINK;1908 decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG;1909 }1910 1911 decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE;1912 decoder->pads[i].sig_type = PAD_SIGNAL_DV;1913 1914 return media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS,1915 decoder->pads);1916}1917 1918#else /* !defined(CONFIG_MEDIA_CONTROLLER) */1919 1920static inline int tvp5150_mc_init(struct tvp5150 *decoder)1921{1922 return 0;1923}1924#endif /* defined(CONFIG_MEDIA_CONTROLLER) */1925 1926static int tvp5150_validate_connectors(struct tvp5150 *decoder)1927{1928 struct device *dev = decoder->sd.dev;1929 struct tvp5150_connector *tvpc;1930 struct v4l2_fwnode_connector *v4l2c;1931 unsigned int i;1932 1933 if (!decoder->connectors_num) {1934 dev_err(dev, "No valid connector found\n");1935 return -ENODEV;1936 }1937 1938 for (i = 0; i < decoder->connectors_num; i++) {1939 struct v4l2_connector_link *link0 = NULL;1940 struct v4l2_connector_link *link1;1941 1942 tvpc = &decoder->connectors[i];1943 v4l2c = &tvpc->base;1944 1945 if (v4l2c->type == V4L2_CONN_COMPOSITE) {1946 if (v4l2c->nr_of_links != 1) {1947 dev_err(dev, "Composite: connector needs 1 link\n");1948 return -EINVAL;1949 }1950 link0 = v4l2_connector_first_link(v4l2c);1951 if (!link0) {1952 dev_err(dev, "Composite: invalid first link\n");1953 return -EINVAL;1954 }1955 if (link0->fwnode_link.remote_id == 1) {1956 dev_err(dev, "Composite: invalid endpoint id\n");1957 return -EINVAL;1958 }1959 }1960 1961 if (v4l2c->type == V4L2_CONN_SVIDEO) {1962 if (v4l2c->nr_of_links != 2) {1963 dev_err(dev, "SVideo: connector needs 2 links\n");1964 return -EINVAL;1965 }1966 link0 = v4l2_connector_first_link(v4l2c);1967 if (!link0) {1968 dev_err(dev, "SVideo: invalid first link\n");1969 return -EINVAL;1970 }1971 link1 = v4l2_connector_last_link(v4l2c);1972 if (link0->fwnode_link.remote_port ==1973 link1->fwnode_link.remote_port) {1974 dev_err(dev, "SVideo: invalid link setup\n");1975 return -EINVAL;1976 }1977 }1978 1979 if (!(v4l2c->connector.analog.sdtv_stds & TVP5150_STD_MASK)) {1980 dev_err(dev, "Unsupported tv-norm on connector %s\n",1981 v4l2c->name);1982 return -EINVAL;1983 }1984 }1985 1986 return 0;1987}1988 1989static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)1990{1991 struct device *dev = decoder->sd.dev;1992 struct v4l2_fwnode_endpoint bus_cfg = {1993 .bus_type = V4L2_MBUS_UNKNOWN1994 };1995 struct device_node *ep_np;1996 struct tvp5150_connector *tvpc;1997 struct v4l2_fwnode_connector *v4l2c;1998 unsigned int flags, ep_num;1999 unsigned int i;2000 int ret;2001 2002 /* At least 1 output and 1 input */2003 ep_num = of_graph_get_endpoint_count(np);2004 if (ep_num < 2 || ep_num > 5) {2005 dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n");2006 return -EINVAL;2007 }2008 2009 /* Layout if all connectors are used:2010 *2011 * tvp-5150 port@0 (AIP1A)2012 * endpoint@0 -----------> Comp0-Con port2013 * endpoint@1 --------+--> Svideo-Con port2014 * tvp-5150 port@1 (AIP1B) |2015 * endpoint@1 --------+2016 * endpoint@0 -----------> Comp1-Con port2017 * tvp-5150 port@22018 * endpoint (video bitstream output at YOUT[0-7] parallel bus)2019 */2020 for_each_endpoint_of_node(np, ep_np) {2021 struct fwnode_handle *ep_fwnode = of_fwnode_handle(ep_np);2022 unsigned int next_connector = decoder->connectors_num;2023 struct of_endpoint ep;2024 2025 of_graph_parse_endpoint(ep_np, &ep);2026 if (ep.port > 1 || ep.id > 1) {2027 dev_dbg(dev, "Ignore connector on port@%u/ep@%u\n",2028 ep.port, ep.id);2029 continue;2030 }2031 2032 tvpc = &decoder->connectors[next_connector];2033 v4l2c = &tvpc->base;2034 2035 if (ep.port == 0 || (ep.port == 1 && ep.id == 0)) {2036 ret = v4l2_fwnode_connector_parse(ep_fwnode, v4l2c);2037 if (ret)2038 goto err_put;2039 ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);2040 if (ret)2041 goto err_put;2042 decoder->connectors_num++;2043 } else {2044 /* Adding the 2nd svideo link */2045 for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) {2046 tvpc = &decoder->connectors[i];2047 v4l2c = &tvpc->base;2048 if (v4l2c->type == V4L2_CONN_SVIDEO)2049 break;2050 }2051 2052 ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);2053 if (ret)2054 goto err_put;2055 }2056 }2057 2058 ret = tvp5150_validate_connectors(decoder);2059 if (ret)2060 goto err_free;2061 2062 for (i = 0; i < decoder->connectors_num; i++) {2063 tvpc = &decoder->connectors[i];2064 v4l2c = &tvpc->base;2065 tvpc->ent.flags = MEDIA_ENT_FL_CONNECTOR;2066 tvpc->ent.function = v4l2c->type == V4L2_CONN_SVIDEO ?2067 MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE;2068 tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, "%s %s",2069 v4l2c->name, v4l2c->label ?2070 v4l2c->label : "");2071 if (!tvpc->ent.name) {2072 ret = -ENOMEM;2073 goto err_free;2074 }2075 }2076 2077 ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0);2078 if (!ep_np) {2079 ret = -EINVAL;2080 dev_err(dev, "Error no output endpoint available\n");2081 goto err_free;2082 }2083 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), &bus_cfg);2084 of_node_put(ep_np);2085 if (ret)2086 goto err_free;2087 2088 flags = bus_cfg.bus.parallel.flags;2089 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&2090 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&2091 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&2092 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {2093 ret = -EINVAL;2094 goto err_free;2095 }2096 2097 decoder->mbus_type = bus_cfg.bus_type;2098 2099 return 0;2100 2101err_put:2102 of_node_put(ep_np);2103err_free:2104 for (i = 0; i < TVP5150_MAX_CONNECTORS; i++)2105 v4l2_fwnode_connector_free(&decoder->connectors[i].base);2106 2107 return ret;2108}2109 2110static const char * const tvp5150_test_patterns[2] = {2111 "Disabled",2112 "Black screen"2113};2114 2115static int tvp5150_probe(struct i2c_client *c)2116{2117 struct tvp5150 *core;2118 struct v4l2_subdev *sd;2119 struct device_node *np = c->dev.of_node;2120 struct regmap *map;2121 unsigned int i;2122 int res;2123 2124 /* Check if the adapter supports the needed features */2125 if (!i2c_check_functionality(c->adapter,2126 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))2127 return -EIO;2128 2129 res = tvp5150_init(c);2130 if (res)2131 return res;2132 2133 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);2134 if (!core)2135 return -ENOMEM;2136 2137 map = devm_regmap_init_i2c(c, &tvp5150_config);2138 if (IS_ERR(map))2139 return PTR_ERR(map);2140 2141 core->regmap = map;2142 sd = &core->sd;2143 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);2144 sd->internal_ops = &tvp5150_internal_ops;2145 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;2146 2147 if (IS_ENABLED(CONFIG_OF) && np) {2148 res = tvp5150_parse_dt(core, np);2149 if (res) {2150 dev_err(sd->dev, "DT parsing error: %d\n", res);2151 return res;2152 }2153 } else {2154 /* Default to BT.656 embedded sync */2155 core->mbus_type = V4L2_MBUS_BT656;2156 }2157 2158 res = tvp5150_mc_init(core);2159 if (res)2160 return res;2161 2162 res = tvp5150_detect_version(core);2163 if (res < 0)2164 return res;2165 2166 /*2167 * Iterate over all available connectors in case they are supported and2168 * successfully parsed. Fallback to default autodetect in case they2169 * aren't supported.2170 */2171 for (i = 0; i < core->connectors_num; i++) {2172 struct v4l2_fwnode_connector *v4l2c;2173 2174 v4l2c = &core->connectors[i].base;2175 core->norm |= v4l2c->connector.analog.sdtv_stds;2176 }2177 2178 if (!core->connectors_num)2179 core->norm = V4L2_STD_ALL;2180 2181 core->detected_norm = V4L2_STD_UNKNOWN;2182 core->input = TVP5150_COMPOSITE1;2183 core->enable = true;2184 2185 v4l2_ctrl_handler_init(&core->hdl, 5);2186 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,2187 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);2188 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,2189 V4L2_CID_CONTRAST, 0, 255, 1, 128);2190 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,2191 V4L2_CID_SATURATION, 0, 255, 1, 128);2192 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,2193 V4L2_CID_HUE, -128, 127, 1, 0);2194 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,2195 V4L2_CID_PIXEL_RATE, 27000000,2196 27000000, 1, 27000000);2197 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,2198 V4L2_CID_TEST_PATTERN,2199 ARRAY_SIZE(tvp5150_test_patterns) - 1,2200 0, 0, tvp5150_test_patterns);2201 sd->ctrl_handler = &core->hdl;2202 if (core->hdl.error) {2203 res = core->hdl.error;2204 goto err;2205 }2206 2207 tvp5150_set_default(tvp5150_read_std(sd), &core->rect);2208 2209 core->irq = c->irq;2210 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */2211 if (c->irq) {2212 res = devm_request_threaded_irq(&c->dev, c->irq, NULL,2213 tvp5150_isr, IRQF_TRIGGER_HIGH |2214 IRQF_ONESHOT, "tvp5150", core);2215 if (res)2216 goto err;2217 }2218 2219 res = v4l2_async_register_subdev(sd);2220 if (res < 0)2221 goto err;2222 2223 if (debug > 1)2224 tvp5150_log_status(sd);2225 2226 pm_runtime_set_active(&c->dev);2227 pm_runtime_enable(&c->dev);2228 pm_runtime_idle(&c->dev);2229 2230 return 0;2231 2232err:2233 v4l2_ctrl_handler_free(&core->hdl);2234 return res;2235}2236 2237static void tvp5150_remove(struct i2c_client *c)2238{2239 struct v4l2_subdev *sd = i2c_get_clientdata(c);2240 struct tvp5150 *decoder = to_tvp5150(sd);2241 unsigned int i;2242 2243 dev_dbg_lvl(sd->dev, 1, debug,2244 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",2245 c->addr << 1);2246 2247 for (i = 0; i < decoder->connectors_num; i++)2248 v4l2_fwnode_connector_free(&decoder->connectors[i].base);2249 for (i = 0; i < decoder->connectors_num; i++) {2250 media_device_unregister_entity(&decoder->connectors[i].ent);2251 media_entity_cleanup(&decoder->connectors[i].ent);2252 }2253 v4l2_async_unregister_subdev(sd);2254 v4l2_ctrl_handler_free(&decoder->hdl);2255 pm_runtime_disable(&c->dev);2256 pm_runtime_set_suspended(&c->dev);2257}2258 2259/* ----------------------------------------------------------------------- */2260 2261static const struct dev_pm_ops tvp5150_pm_ops = {2262 SET_RUNTIME_PM_OPS(tvp5150_runtime_suspend,2263 tvp5150_runtime_resume,2264 NULL)2265};2266 2267static const struct i2c_device_id tvp5150_id[] = {2268 { "tvp5150" },2269 { }2270};2271MODULE_DEVICE_TABLE(i2c, tvp5150_id);2272 2273#if IS_ENABLED(CONFIG_OF)2274static const struct of_device_id tvp5150_of_match[] = {2275 { .compatible = "ti,tvp5150", },2276 { /* sentinel */ },2277};2278MODULE_DEVICE_TABLE(of, tvp5150_of_match);2279#endif2280 2281static struct i2c_driver tvp5150_driver = {2282 .driver = {2283 .of_match_table = of_match_ptr(tvp5150_of_match),2284 .name = "tvp5150",2285 .pm = &tvp5150_pm_ops,2286 },2287 .probe = tvp5150_probe,2288 .remove = tvp5150_remove,2289 .id_table = tvp5150_id,2290};2291 2292module_i2c_driver(tvp5150_driver);2293