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path: root/drivers/media/i2c/tvp5150.c
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-rw-r--r--drivers/media/i2c/tvp5150.c2292
1 files changed, 2292 insertions, 0 deletions
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
new file mode 100644
index 0000000000..e543b3f7a4
--- /dev/null
+++ b/drivers/media/i2c/tvp5150.c
@@ -0,0 +1,2292 @@
+// 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/interrupt.h>
+#include <linux/module.h>
+#include <linux/of_graph.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <media/v4l2-async.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-fwnode.h>
+#include <media/v4l2-mc.h>
+#include <media/v4l2-rect.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
+#define TVP5150_MBUS_FMT MEDIA_BUS_FMT_UYVY8_2X8
+#define TVP5150_FIELD V4L2_FIELD_ALTERNATE
+#define TVP5150_COLORSPACE V4L2_COLORSPACE_SMPTE170M
+#define TVP5150_STD_MASK (V4L2_STD_NTSC | \
+ V4L2_STD_NTSC_443 | \
+ V4L2_STD_PAL | \
+ V4L2_STD_PAL_M | \
+ V4L2_STD_PAL_N | \
+ V4L2_STD_PAL_Nc | \
+ V4L2_STD_SECAM)
+
+#define TVP5150_MAX_CONNECTORS 3 /* Check dt-bindings for more information */
+
+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)
+
+enum tvp5150_pads {
+ TVP5150_PAD_AIP1A,
+ TVP5150_PAD_AIP1B,
+ TVP5150_PAD_VID_OUT,
+ TVP5150_NUM_PADS
+};
+
+struct tvp5150_connector {
+ struct v4l2_fwnode_connector base;
+ struct media_entity ent;
+ struct media_pad pad;
+};
+
+struct tvp5150 {
+ struct v4l2_subdev sd;
+
+ struct media_pad pads[TVP5150_NUM_PADS];
+ struct tvp5150_connector connectors[TVP5150_MAX_CONNECTORS];
+ struct tvp5150_connector *cur_connector;
+ unsigned int connectors_num;
+
+ struct v4l2_ctrl_handler hdl;
+ struct v4l2_rect rect;
+ struct regmap *regmap;
+ int irq;
+
+ v4l2_std_id norm; /* Current set standard */
+ v4l2_std_id detected_norm;
+ u32 input;
+ u32 output;
+ u32 oe;
+ int enable;
+ bool lock;
+
+ 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 tvp5150 *decoder = to_tvp5150(sd);
+ int ret, val;
+
+ ret = regmap_read(decoder->regmap, addr, &val);
+ if (ret < 0)
+ return ret;
+
+ return val;
+}
+
+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);
+ unsigned int mask, val;
+ int input = 0;
+
+ /* 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;
+ fallthrough;
+ case TVP5150_COMPOSITE0:
+ break;
+ case TVP5150_SVIDEO:
+ default:
+ input |= 1;
+ break;
+ }
+
+ dev_dbg_lvl(sd->dev, 1, debug,
+ "Selecting video route: route input=%s, output=%s => tvp5150 input=0x%02x, opmode=0x%02x\n",
+ decoder->input == 0 ? "aip1a" :
+ decoder->input == 2 ? "aip1b" : "svideo",
+ decoder->output == 0 ? "normal" : "black-frame-gen",
+ input, opmode);
+
+ regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode);
+ regmap_write(decoder->regmap, 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.
+ */
+ mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;
+ if (decoder->input == TVP5150_SVIDEO)
+ val = TVP5150_MISC_CTL_HVLK;
+ else
+ val = TVP5150_MISC_CTL_GPCL;
+ regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, 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[] = {
+ { /* 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)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ while (regs->reg != 0xff) {
+ regmap_write(decoder->regmap, regs->reg, regs->value);
+ regs++;
+ }
+ return 0;
+}
+
+static int tvp5150_vdp_init(struct v4l2_subdev *sd)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ struct regmap *map = decoder->regmap;
+ unsigned int i;
+ int j;
+
+ /* Disable Full Field */
+ regmap_write(map, 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++)
+ regmap_write(map, 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;
+
+ regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
+ regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
+
+ for (i = 0; i < 16; i++)
+ regmap_write(map, 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)
+ regmap_write(decoder->regmap, reg, type);
+
+ if (fields & 2)
+ regmap_write(decoder->regmap, 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;
+
+ /* 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);
+ regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt);
+ return 0;
+}
+
+static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ *std = decoder->norm;
+
+ return 0;
+}
+
+static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ struct tvp5150_connector *cur_con = decoder->cur_connector;
+ v4l2_std_id supported_stds;
+
+ if (decoder->norm == std)
+ return 0;
+
+ /* In case of no of-connectors are available no limitations are made */
+ if (!decoder->connectors_num)
+ supported_stds = V4L2_STD_ALL;
+ else
+ supported_stds = cur_con->base.connector.analog.sdtv_stds;
+
+ /*
+ * Check if requested std or group of std's is/are supported by the
+ * connector.
+ */
+ if ((supported_stds & std) == 0)
+ return -EINVAL;
+
+ /* 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;
+
+ /* Set only the specific supported std in case of group of std's. */
+ decoder->norm = supported_stds & std;
+
+ return tvp5150_set_std(sd, std);
+}
+
+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 query_lock(struct v4l2_subdev *sd)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ int status;
+
+ if (decoder->irq)
+ return decoder->lock;
+
+ regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status);
+
+ /* For standard detection, we need the 3 locks */
+ return (status & 0x0e) == 0x0e;
+}
+
+static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
+{
+ *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;
+
+ return 0;
+}
+
+static const struct v4l2_event tvp5150_ev_fmt = {
+ .type = V4L2_EVENT_SOURCE_CHANGE,
+ .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+};
+
+static irqreturn_t tvp5150_isr(int irq, void *dev_id)
+{
+ struct tvp5150 *decoder = dev_id;
+ struct regmap *map = decoder->regmap;
+ unsigned int mask, active = 0, status = 0;
+
+ mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
+ TVP5150_MISC_CTL_CLOCK_OE;
+
+ regmap_read(map, TVP5150_INT_STATUS_REG_A, &status);
+ if (status) {
+ regmap_write(map, TVP5150_INT_STATUS_REG_A, status);
+
+ if (status & TVP5150_INT_A_LOCK) {
+ decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);
+ dev_dbg_lvl(decoder->sd.dev, 1, debug,
+ "sync lo%s signal\n",
+ decoder->lock ? "ck" : "ss");
+ v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
+ regmap_update_bits(map, TVP5150_MISC_CTL, mask,
+ decoder->lock ? decoder->oe : 0);
+ }
+
+ return IRQ_HANDLED;
+ }
+
+ regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active);
+ if (active) {
+ status = 0;
+ regmap_read(map, TVP5150_INT_STATUS_REG_B, &status);
+ if (status)
+ regmap_write(map, TVP5150_INT_RESET_REG_B, status);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ struct regmap *map = decoder->regmap;
+
+ /* Initializes TVP5150 to its default values */
+ tvp5150_write_inittab(sd, tvp5150_init_default);
+
+ if (decoder->irq) {
+ /* Configure pins: FID, VSYNC, INTREQ, SCLK */
+ regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0);
+ /* Set interrupt polarity to active high */
+ regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1);
+ regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1);
+ } else {
+ /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */
+ regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2);
+ /* Keep interrupt polarity active low */
+ regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE);
+ regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0);
+ }
+
+ /* Initializes VDP registers */
+ tvp5150_vdp_init(sd);
+
+ /* Selects decoder input */
+ tvp5150_selmux(sd);
+
+ /* Initialize image preferences */
+ v4l2_ctrl_handler_setup(&decoder->hdl);
+
+ return 0;
+}
+
+static int tvp5150_enable(struct v4l2_subdev *sd)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ v4l2_std_id std;
+
+ /* Initializes TVP5150 to stream enabled values */
+ tvp5150_write_inittab(sd, tvp5150_init_enable);
+
+ if (decoder->norm == V4L2_STD_ALL)
+ std = tvp5150_read_std(sd);
+ else
+ std = decoder->norm;
+
+ /* Disable autoswitch mode */
+ tvp5150_set_std(sd, std);
+
+ /*
+ * Enable the YCbCr and clock outputs. In discrete sync mode
+ * (non-BT.656) additionally enable the sync outputs.
+ */
+ switch (decoder->mbus_type) {
+ case V4L2_MBUS_PARALLEL:
+ /* 8-bit 4:2:2 YUV with discrete sync output */
+ regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL,
+ 0x7, 0x0);
+ decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
+ TVP5150_MISC_CTL_CLOCK_OE |
+ TVP5150_MISC_CTL_SYNC_OE;
+ break;
+ case V4L2_MBUS_BT656:
+ decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
+ TVP5150_MISC_CTL_CLOCK_OE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ 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:
+ regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);
+ return 0;
+ case V4L2_CID_CONTRAST:
+ regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);
+ return 0;
+ case V4L2_CID_SATURATION:
+ regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,
+ ctrl->val);
+ return 0;
+ case V4L2_CID_HUE:
+ regmap_write(decoder->regmap, 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 void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
+{
+ /* Default is no cropping */
+ crop->top = 0;
+ crop->left = 0;
+ crop->width = TVP5150_H_MAX;
+ if (std & V4L2_STD_525_60)
+ crop->height = TVP5150_V_MAX_525_60;
+ else
+ crop->height = TVP5150_V_MAX_OTHERS;
+}
+
+static struct v4l2_rect *
+tvp5150_get_pad_crop(struct tvp5150 *decoder,
+ struct v4l2_subdev_state *sd_state, unsigned int pad,
+ enum v4l2_subdev_format_whence which)
+{
+ switch (which) {
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &decoder->rect;
+ case V4L2_SUBDEV_FORMAT_TRY:
+#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
+ return v4l2_subdev_get_try_crop(&decoder->sd, sd_state, pad);
+#else
+ return ERR_PTR(-EINVAL);
+#endif
+ default:
+ return ERR_PTR(-EINVAL);
+ }
+}
+
+static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *format)
+{
+ struct v4l2_mbus_framefmt *f;
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ if (!format || (format->pad != TVP5150_PAD_VID_OUT))
+ return -EINVAL;
+
+ f = &format->format;
+
+ f->width = decoder->rect.width;
+ f->height = decoder->rect.height / 2;
+
+ f->code = TVP5150_MBUS_FMT;
+ f->field = TVP5150_FIELD;
+ f->colorspace = TVP5150_COLORSPACE;
+
+ dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
+ f->height);
+ return 0;
+}
+
+static unsigned int tvp5150_get_hmax(struct v4l2_subdev *sd)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ v4l2_std_id std;
+
+ /* Calculate height based on current standard */
+ if (decoder->norm == V4L2_STD_ALL)
+ std = tvp5150_read_std(sd);
+ else
+ std = decoder->norm;
+
+ return (std & V4L2_STD_525_60) ?
+ TVP5150_V_MAX_525_60 : TVP5150_V_MAX_OTHERS;
+}
+
+static void tvp5150_set_hw_selection(struct v4l2_subdev *sd,
+ struct v4l2_rect *rect)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ unsigned int hmax = tvp5150_get_hmax(sd);
+
+ regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect->top);
+ regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,
+ rect->top + rect->height - hmax);
+ regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,
+ rect->left >> TVP5150_CROP_SHIFT);
+ regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,
+ rect->left | (1 << TVP5150_CROP_SHIFT));
+ regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,
+ (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >>
+ TVP5150_CROP_SHIFT);
+ regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,
+ rect->left + rect->width - TVP5150_MAX_CROP_LEFT);
+}
+
+static int tvp5150_set_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_selection *sel)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ struct v4l2_rect *rect = &sel->r;
+ struct v4l2_rect *crop;
+ unsigned int hmax;
+
+ if (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);
+ hmax = tvp5150_get_hmax(sd);
+
+ /*
+ * 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);
+
+ if (!IS_ENABLED(CONFIG_VIDEO_V4L2_SUBDEV_API) &&
+ sel->which == V4L2_SUBDEV_FORMAT_TRY)
+ return 0;
+
+ crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad, sel->which);
+ if (IS_ERR(crop))
+ return PTR_ERR(crop);
+
+ /*
+ * Update output image size if the selection (crop) rectangle size or
+ * position has been modified.
+ */
+ if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE &&
+ !v4l2_rect_equal(rect, crop))
+ tvp5150_set_hw_selection(sd, rect);
+
+ *crop = *rect;
+
+ return 0;
+}
+
+static int tvp5150_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_selection *sel)
+{
+ struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
+ struct v4l2_rect *crop;
+ v4l2_std_id std;
+
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ 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:
+ crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad,
+ sel->which);
+ if (IS_ERR(crop))
+ return PTR_ERR(crop);
+ sel->r = *crop;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int tvp5150_get_mbus_config(struct v4l2_subdev *sd,
+ unsigned int pad,
+ struct v4l2_mbus_config *cfg)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ cfg->type = decoder->mbus_type;
+ cfg->bus.parallel.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_init_cfg(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ v4l2_std_id std;
+
+ /*
+ * Reset selection to maximum on subdev_open() if autodetection is on
+ * and a standard change is detected.
+ */
+ if (decoder->norm == V4L2_STD_ALL) {
+ std = tvp5150_read_std(sd);
+ if (std != decoder->detected_norm) {
+ decoder->detected_norm = std;
+ tvp5150_set_default(std, &decoder->rect);
+ }
+ }
+
+ return 0;
+}
+
+static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ if (code->pad || code->index)
+ return -EINVAL;
+
+ code->code = TVP5150_MBUS_FMT;
+ return 0;
+}
+
+static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
+ return -EINVAL;
+
+ fse->code = TVP5150_MBUS_FMT;
+ 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
+ ****************************************************************************/
+#if defined(CONFIG_MEDIA_CONTROLLER)
+static int tvp5150_set_link(struct media_pad *connector_pad,
+ struct media_pad *tvp5150_pad, u32 flags)
+{
+ struct media_link *link;
+
+ link = media_entity_find_link(connector_pad, tvp5150_pad);
+ if (!link)
+ return -EINVAL;
+
+ link->flags = flags;
+ link->reverse->flags = link->flags;
+
+ return 0;
+}
+
+static int tvp5150_disable_all_input_links(struct tvp5150 *decoder)
+{
+ struct media_pad *connector_pad;
+ unsigned int i;
+ int err;
+
+ for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
+ connector_pad = media_pad_remote_pad_first(&decoder->pads[i]);
+ if (!connector_pad)
+ continue;
+
+ err = tvp5150_set_link(connector_pad, &decoder->pads[i], 0);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
+ u32 config);
+
+static int tvp5150_link_setup(struct media_entity *entity,
+ const struct media_pad *tvp5150_pad,
+ const struct media_pad *remote, u32 flags)
+{
+ struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ struct media_pad *other_tvp5150_pad =
+ &decoder->pads[tvp5150_pad->index ^ 1];
+ struct v4l2_fwnode_connector *v4l2c;
+ bool is_svideo = false;
+ unsigned int i;
+ int err;
+
+ /*
+ * The TVP5150 state is determined by the enabled sink pad link(s).
+ * Enabling or disabling the source pad link has no effect.
+ */
+ if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE)
+ return 0;
+
+ /* Check if the svideo connector should be enabled */
+ for (i = 0; i < decoder->connectors_num; i++) {
+ if (remote->entity == &decoder->connectors[i].ent) {
+ v4l2c = &decoder->connectors[i].base;
+ is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
+ break;
+ }
+ }
+
+ dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]",
+ remote->entity->name, remote->index,
+ tvp5150_pad->entity->name, tvp5150_pad->index,
+ flags & MEDIA_LNK_FL_ENABLED);
+ if (is_svideo)
+ dev_dbg_lvl(sd->dev, 1, debug,
+ "link setup '%s':%d->'%s':%d[%d]",
+ remote->entity->name, remote->index,
+ other_tvp5150_pad->entity->name,
+ other_tvp5150_pad->index,
+ flags & MEDIA_LNK_FL_ENABLED);
+
+ /*
+ * The TVP5150 has an internal mux which allows the following setup:
+ *
+ * comp-connector1 --\
+ * |---> AIP1A
+ * /
+ * svideo-connector -|
+ * \
+ * |---> AIP1B
+ * comp-connector2 --/
+ *
+ * We can't rely on user space that the current connector gets disabled
+ * first before enabling the new connector. Disable all active
+ * connector links to be on the safe side.
+ */
+ err = tvp5150_disable_all_input_links(decoder);
+ if (err)
+ return err;
+
+ tvp5150_s_routing(sd, is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index,
+ flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL :
+ TVP5150_BLACK_SCREEN, 0);
+
+ if (flags & MEDIA_LNK_FL_ENABLED) {
+ struct v4l2_fwnode_connector_analog *v4l2ca;
+ u32 new_norm;
+
+ /*
+ * S-Video connector is conneted to both ports AIP1A and AIP1B.
+ * Both links must be enabled in one-shot regardless which link
+ * the user requests.
+ */
+ if (is_svideo) {
+ err = tvp5150_set_link((struct media_pad *)remote,
+ other_tvp5150_pad, flags);
+ if (err)
+ return err;
+ }
+
+ if (!decoder->connectors_num)
+ return 0;
+
+ /* Update the current connector */
+ decoder->cur_connector =
+ container_of(remote, struct tvp5150_connector, pad);
+
+ /*
+ * Do nothing if the new connector supports the same tv-norms as
+ * the old one.
+ */
+ v4l2ca = &decoder->cur_connector->base.connector.analog;
+ new_norm = decoder->norm & v4l2ca->sdtv_stds;
+ if (decoder->norm == new_norm)
+ return 0;
+
+ /*
+ * Fallback to the new connector tv-norms if we can't find any
+ * common between the current tv-norm and the new one.
+ */
+ tvp5150_s_std(sd, new_norm ? new_norm : v4l2ca->sdtv_stds);
+ }
+
+ return 0;
+}
+
+static const struct media_entity_operations tvp5150_sd_media_ops = {
+ .link_setup = tvp5150_link_setup,
+};
+#endif
+/****************************************************************************
+ I2C Command
+ ****************************************************************************/
+static int __maybe_unused tvp5150_runtime_suspend(struct device *dev)
+{
+ struct v4l2_subdev *sd = dev_get_drvdata(dev);
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ if (decoder->irq)
+ /* Disable lock interrupt */
+ return regmap_update_bits(decoder->regmap,
+ TVP5150_INT_ENABLE_REG_A,
+ TVP5150_INT_A_LOCK, 0);
+ return 0;
+}
+
+static int __maybe_unused tvp5150_runtime_resume(struct device *dev)
+{
+ struct v4l2_subdev *sd = dev_get_drvdata(dev);
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ if (decoder->irq)
+ /* Enable lock interrupt */
+ return regmap_update_bits(decoder->regmap,
+ TVP5150_INT_ENABLE_REG_A,
+ TVP5150_INT_A_LOCK,
+ TVP5150_INT_A_LOCK);
+ return 0;
+}
+
+static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ unsigned int mask, val = 0;
+ int ret;
+
+ mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
+ TVP5150_MISC_CTL_CLOCK_OE;
+
+ if (enable) {
+ ret = pm_runtime_resume_and_get(sd->dev);
+ if (ret < 0)
+ return ret;
+
+ tvp5150_enable(sd);
+
+ /* Enable outputs if decoder is locked */
+ if (decoder->irq)
+ val = decoder->lock ? decoder->oe : 0;
+ else
+ val = decoder->oe;
+
+ v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
+ } else {
+ pm_runtime_put(sd->dev);
+ }
+
+ regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, 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)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ /*
+ * 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)
+ regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);
+ if (fmt->count[0] == 18 && fmt->count[1] == 18) {
+ regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START,
+ 0x00);
+ regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01);
+ }
+ return 0;
+}
+
+static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ 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 */
+ regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);
+ } else {
+ /* Disables FIFO*/
+ regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);
+
+ /* Disable Full Field */
+ regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);
+
+ /* Disable Line modes */
+ for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
+ regmap_write(decoder->regmap, 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)
+{
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);
+}
+#endif
+
+static int tvp5150_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
+ struct v4l2_event_subscription *sub)
+{
+ switch (sub->type) {
+ case V4L2_EVENT_SOURCE_CHANGE:
+ return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
+ case V4L2_EVENT_CTRL:
+ return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
+ default:
+ return -EINVAL;
+ }
+}
+
+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)
+{
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ unsigned int i;
+ int ret;
+
+ /*
+ * Setup connector pads and links. Enable the link to the first
+ * available connector per default.
+ */
+ for (i = 0; i < decoder->connectors_num; i++) {
+ struct media_entity *con = &decoder->connectors[i].ent;
+ struct media_pad *pad = &decoder->connectors[i].pad;
+ struct v4l2_fwnode_connector *v4l2c =
+ &decoder->connectors[i].base;
+ struct v4l2_connector_link *link =
+ v4l2_connector_first_link(v4l2c);
+ unsigned int port = link->fwnode_link.remote_port;
+ unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED;
+ bool is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
+
+ pad->flags = MEDIA_PAD_FL_SOURCE;
+ ret = media_entity_pads_init(con, 1, pad);
+ if (ret < 0)
+ goto err;
+
+ ret = media_device_register_entity(sd->v4l2_dev->mdev, con);
+ if (ret < 0)
+ goto err;
+
+ ret = media_create_pad_link(con, 0, &sd->entity, port, flags);
+ if (ret < 0)
+ goto err;
+
+ if (is_svideo) {
+ /*
+ * Check tvp5150_link_setup() comments for more
+ * information.
+ */
+ link = v4l2_connector_last_link(v4l2c);
+ port = link->fwnode_link.remote_port;
+ ret = media_create_pad_link(con, 0, &sd->entity, port,
+ flags);
+ if (ret < 0)
+ goto err;
+ }
+
+ /* Enable default input. */
+ if (flags == MEDIA_LNK_FL_ENABLED) {
+ decoder->input =
+ is_svideo ? TVP5150_SVIDEO :
+ port == 0 ? TVP5150_COMPOSITE0 :
+ TVP5150_COMPOSITE1;
+
+ tvp5150_selmux(sd);
+ decoder->cur_connector = &decoder->connectors[i];
+ tvp5150_s_std(sd, v4l2c->connector.analog.sdtv_stds);
+ }
+ }
+
+ return 0;
+
+err:
+ for (i = 0; i < decoder->connectors_num; i++) {
+ media_device_unregister_entity(&decoder->connectors[i].ent);
+ media_entity_cleanup(&decoder->connectors[i].ent);
+ }
+ return ret;
+#endif
+
+ return 0;
+}
+
+static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ return pm_runtime_resume_and_get(sd->dev);
+}
+
+static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ pm_runtime_put(sd->dev);
+
+ 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
+ .subscribe_event = tvp5150_subscribe_event,
+ .unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
+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,
+ .g_std = tvp5150_g_std,
+ .querystd = tvp5150_querystd,
+ .s_stream = tvp5150_s_stream,
+ .s_routing = tvp5150_s_routing,
+};
+
+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 = {
+ .init_cfg = tvp5150_init_cfg,
+ .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,
+ .get_mbus_config = tvp5150_get_mbus_config,
+};
+
+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,
+ .open = tvp5150_open,
+ .close = tvp5150_close,
+};
+
+/****************************************************************************
+ I2C Client & Driver
+ ****************************************************************************/
+
+static const struct regmap_range tvp5150_readable_ranges[] = {
+ {
+ .range_min = TVP5150_VD_IN_SRC_SEL_1,
+ .range_max = TVP5150_AUTOSW_MSK,
+ }, {
+ .range_min = TVP5150_COLOR_KIL_THSH_CTL,
+ .range_max = TVP5150_CONF_SHARED_PIN,
+ }, {
+ .range_min = TVP5150_ACT_VD_CROP_ST_MSB,
+ .range_max = TVP5150_HORIZ_SYNC_START,
+ }, {
+ .range_min = TVP5150_VERT_BLANKING_START,
+ .range_max = TVP5150_INTT_CONFIG_REG_B,
+ }, {
+ .range_min = TVP5150_VIDEO_STD,
+ .range_max = TVP5150_VIDEO_STD,
+ }, {
+ .range_min = TVP5150_CB_GAIN_FACT,
+ .range_max = TVP5150_REV_SELECT,
+ }, {
+ .range_min = TVP5150_MSB_DEV_ID,
+ .range_max = TVP5150_STATUS_REG_5,
+ }, {
+ .range_min = TVP5150_CC_DATA_INI,
+ .range_max = TVP5150_TELETEXT_FIL_ENA,
+ }, {
+ .range_min = TVP5150_INT_STATUS_REG_A,
+ .range_max = TVP5150_FIFO_OUT_CTRL,
+ }, {
+ .range_min = TVP5150_FULL_FIELD_ENA,
+ .range_max = TVP5150_FULL_FIELD_MODE_REG,
+ },
+};
+
+static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case TVP5150_VERT_LN_COUNT_MSB:
+ case TVP5150_VERT_LN_COUNT_LSB:
+ case TVP5150_INT_STATUS_REG_A:
+ case TVP5150_INT_STATUS_REG_B:
+ case TVP5150_INT_ACTIVE_REG_B:
+ case TVP5150_STATUS_REG_1:
+ case TVP5150_STATUS_REG_2:
+ case TVP5150_STATUS_REG_3:
+ case TVP5150_STATUS_REG_4:
+ case TVP5150_STATUS_REG_5:
+ /* CC, WSS, VPS, VITC data? */
+ case TVP5150_VBI_FIFO_READ_DATA:
+ case TVP5150_VDP_STATUS_REG:
+ case TVP5150_FIFO_WORD_COUNT:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const struct regmap_access_table tvp5150_readable_table = {
+ .yes_ranges = tvp5150_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges),
+};
+
+static struct regmap_config tvp5150_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xff,
+
+ .cache_type = REGCACHE_RBTREE,
+
+ .rd_table = &tvp5150_readable_table,
+ .volatile_reg = tvp5150_volatile_reg,
+};
+
+static int tvp5150_detect_version(struct tvp5150 *core)
+{
+ struct v4l2_subdev *sd = &core->sd;
+ struct i2c_client *c = v4l2_get_subdevdata(sd);
+ u8 regs[4];
+ int res;
+
+ /*
+ * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
+ * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
+ */
+ res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4);
+ if (res < 0) {
+ dev_err(&c->dev, "reading ID registers failed: %d\n", res);
+ return 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 */
+ regmap_write(core->regmap, 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;
+}
+
+#if defined(CONFIG_MEDIA_CONTROLLER)
+static int tvp5150_mc_init(struct tvp5150 *decoder)
+{
+ struct v4l2_subdev *sd = &decoder->sd;
+ unsigned int i;
+
+ sd->entity.ops = &tvp5150_sd_media_ops;
+ sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
+
+ for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
+ decoder->pads[i].flags = MEDIA_PAD_FL_SINK;
+ decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG;
+ }
+
+ decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE;
+ decoder->pads[i].sig_type = PAD_SIGNAL_DV;
+
+ return media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS,
+ decoder->pads);
+}
+
+#else /* !defined(CONFIG_MEDIA_CONTROLLER) */
+
+static inline int tvp5150_mc_init(struct tvp5150 *decoder)
+{
+ return 0;
+}
+#endif /* defined(CONFIG_MEDIA_CONTROLLER) */
+
+static int tvp5150_validate_connectors(struct tvp5150 *decoder)
+{
+ struct device *dev = decoder->sd.dev;
+ struct tvp5150_connector *tvpc;
+ struct v4l2_fwnode_connector *v4l2c;
+ unsigned int i;
+
+ if (!decoder->connectors_num) {
+ dev_err(dev, "No valid connector found\n");
+ return -ENODEV;
+ }
+
+ for (i = 0; i < decoder->connectors_num; i++) {
+ struct v4l2_connector_link *link0 = NULL;
+ struct v4l2_connector_link *link1;
+
+ tvpc = &decoder->connectors[i];
+ v4l2c = &tvpc->base;
+
+ if (v4l2c->type == V4L2_CONN_COMPOSITE) {
+ if (v4l2c->nr_of_links != 1) {
+ dev_err(dev, "Composite: connector needs 1 link\n");
+ return -EINVAL;
+ }
+ link0 = v4l2_connector_first_link(v4l2c);
+ if (!link0) {
+ dev_err(dev, "Composite: invalid first link\n");
+ return -EINVAL;
+ }
+ if (link0->fwnode_link.remote_id == 1) {
+ dev_err(dev, "Composite: invalid endpoint id\n");
+ return -EINVAL;
+ }
+ }
+
+ if (v4l2c->type == V4L2_CONN_SVIDEO) {
+ if (v4l2c->nr_of_links != 2) {
+ dev_err(dev, "SVideo: connector needs 2 links\n");
+ return -EINVAL;
+ }
+ link0 = v4l2_connector_first_link(v4l2c);
+ if (!link0) {
+ dev_err(dev, "SVideo: invalid first link\n");
+ return -EINVAL;
+ }
+ link1 = v4l2_connector_last_link(v4l2c);
+ if (link0->fwnode_link.remote_port ==
+ link1->fwnode_link.remote_port) {
+ dev_err(dev, "SVideo: invalid link setup\n");
+ return -EINVAL;
+ }
+ }
+
+ if (!(v4l2c->connector.analog.sdtv_stds & TVP5150_STD_MASK)) {
+ dev_err(dev, "Unsupported tv-norm on connector %s\n",
+ v4l2c->name);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
+{
+ struct device *dev = decoder->sd.dev;
+ struct v4l2_fwnode_endpoint bus_cfg = {
+ .bus_type = V4L2_MBUS_UNKNOWN
+ };
+ struct device_node *ep_np;
+ struct tvp5150_connector *tvpc;
+ struct v4l2_fwnode_connector *v4l2c;
+ unsigned int flags, ep_num;
+ unsigned int i;
+ int ret;
+
+ /* At least 1 output and 1 input */
+ ep_num = of_graph_get_endpoint_count(np);
+ if (ep_num < 2 || ep_num > 5) {
+ dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n");
+ return -EINVAL;
+ }
+
+ /* Layout if all connectors are used:
+ *
+ * tvp-5150 port@0 (AIP1A)
+ * endpoint@0 -----------> Comp0-Con port
+ * endpoint@1 --------+--> Svideo-Con port
+ * tvp-5150 port@1 (AIP1B) |
+ * endpoint@1 --------+
+ * endpoint@0 -----------> Comp1-Con port
+ * tvp-5150 port@2
+ * endpoint (video bitstream output at YOUT[0-7] parallel bus)
+ */
+ for_each_endpoint_of_node(np, ep_np) {
+ struct fwnode_handle *ep_fwnode = of_fwnode_handle(ep_np);
+ unsigned int next_connector = decoder->connectors_num;
+ struct of_endpoint ep;
+
+ of_graph_parse_endpoint(ep_np, &ep);
+ if (ep.port > 1 || ep.id > 1) {
+ dev_dbg(dev, "Ignore connector on port@%u/ep@%u\n",
+ ep.port, ep.id);
+ continue;
+ }
+
+ tvpc = &decoder->connectors[next_connector];
+ v4l2c = &tvpc->base;
+
+ if (ep.port == 0 || (ep.port == 1 && ep.id == 0)) {
+ ret = v4l2_fwnode_connector_parse(ep_fwnode, v4l2c);
+ if (ret)
+ goto err_put;
+ ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
+ if (ret)
+ goto err_put;
+ decoder->connectors_num++;
+ } else {
+ /* Adding the 2nd svideo link */
+ for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) {
+ tvpc = &decoder->connectors[i];
+ v4l2c = &tvpc->base;
+ if (v4l2c->type == V4L2_CONN_SVIDEO)
+ break;
+ }
+
+ ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
+ if (ret)
+ goto err_put;
+ }
+ }
+
+ ret = tvp5150_validate_connectors(decoder);
+ if (ret)
+ goto err_free;
+
+ for (i = 0; i < decoder->connectors_num; i++) {
+ tvpc = &decoder->connectors[i];
+ v4l2c = &tvpc->base;
+ tvpc->ent.flags = MEDIA_ENT_FL_CONNECTOR;
+ tvpc->ent.function = v4l2c->type == V4L2_CONN_SVIDEO ?
+ MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE;
+ tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, "%s %s",
+ v4l2c->name, v4l2c->label ?
+ v4l2c->label : "");
+ if (!tvpc->ent.name) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+ }
+
+ ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0);
+ if (!ep_np) {
+ ret = -EINVAL;
+ dev_err(dev, "Error no output endpoint available\n");
+ goto err_free;
+ }
+ ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), &bus_cfg);
+ of_node_put(ep_np);
+ if (ret)
+ goto err_free;
+
+ 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_free;
+ }
+
+ decoder->mbus_type = bus_cfg.bus_type;
+
+ return 0;
+
+err_put:
+ of_node_put(ep_np);
+err_free:
+ for (i = 0; i < TVP5150_MAX_CONNECTORS; i++)
+ v4l2_fwnode_connector_free(&decoder->connectors[i].base);
+
+ return ret;
+}
+
+static const char * const tvp5150_test_patterns[2] = {
+ "Disabled",
+ "Black screen"
+};
+
+static int tvp5150_probe(struct i2c_client *c)
+{
+ struct tvp5150 *core;
+ struct v4l2_subdev *sd;
+ struct device_node *np = c->dev.of_node;
+ struct regmap *map;
+ unsigned int i;
+ 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;
+
+ map = devm_regmap_init_i2c(c, &tvp5150_config);
+ if (IS_ERR(map))
+ return PTR_ERR(map);
+
+ core->regmap = map;
+ sd = &core->sd;
+ v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
+ sd->internal_ops = &tvp5150_internal_ops;
+ sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
+
+ 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;
+ }
+
+ res = tvp5150_mc_init(core);
+ if (res)
+ return res;
+
+ res = tvp5150_detect_version(core);
+ if (res < 0)
+ return res;
+
+ /*
+ * Iterate over all available connectors in case they are supported and
+ * successfully parsed. Fallback to default autodetect in case they
+ * aren't supported.
+ */
+ for (i = 0; i < core->connectors_num; i++) {
+ struct v4l2_fwnode_connector *v4l2c;
+
+ v4l2c = &core->connectors[i].base;
+ core->norm |= v4l2c->connector.analog.sdtv_stds;
+ }
+
+ if (!core->connectors_num)
+ core->norm = V4L2_STD_ALL;
+
+ core->detected_norm = V4L2_STD_UNKNOWN;
+ 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;
+ }
+
+ tvp5150_set_default(tvp5150_read_std(sd), &core->rect);
+
+ core->irq = c->irq;
+ tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */
+ if (c->irq) {
+ res = devm_request_threaded_irq(&c->dev, c->irq, NULL,
+ tvp5150_isr, IRQF_TRIGGER_HIGH |
+ IRQF_ONESHOT, "tvp5150", core);
+ if (res)
+ goto err;
+ }
+
+ res = v4l2_async_register_subdev(sd);
+ if (res < 0)
+ goto err;
+
+ if (debug > 1)
+ tvp5150_log_status(sd);
+
+ pm_runtime_set_active(&c->dev);
+ pm_runtime_enable(&c->dev);
+ pm_runtime_idle(&c->dev);
+
+ return 0;
+
+err:
+ v4l2_ctrl_handler_free(&core->hdl);
+ return res;
+}
+
+static void tvp5150_remove(struct i2c_client *c)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(c);
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ unsigned int i;
+
+ dev_dbg_lvl(sd->dev, 1, debug,
+ "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
+ c->addr << 1);
+
+ for (i = 0; i < decoder->connectors_num; i++)
+ v4l2_fwnode_connector_free(&decoder->connectors[i].base);
+ for (i = 0; i < decoder->connectors_num; i++) {
+ media_device_unregister_entity(&decoder->connectors[i].ent);
+ media_entity_cleanup(&decoder->connectors[i].ent);
+ }
+ v4l2_async_unregister_subdev(sd);
+ v4l2_ctrl_handler_free(&decoder->hdl);
+ pm_runtime_disable(&c->dev);
+ pm_runtime_set_suspended(&c->dev);
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct dev_pm_ops tvp5150_pm_ops = {
+ SET_RUNTIME_PM_OPS(tvp5150_runtime_suspend,
+ tvp5150_runtime_resume,
+ NULL)
+};
+
+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",
+ .pm = &tvp5150_pm_ops,
+ },
+ .probe = tvp5150_probe,
+ .remove = tvp5150_remove,
+ .id_table = tvp5150_id,
+};
+
+module_i2c_driver(tvp5150_driver);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 20:08:38 +0000