[PATCH 1/2] media: i2c: ths8200: driver for TI video encoder.
From: Prabhakar Lad
Date: Mon Jun 03 2013 - 13:27:20 EST
From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
The full datasheets are available from TI website:-
http://www.ti.com/product/ths8200
Note:- This patch adds support only for progressive format
as of now.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Mats Randgaard <mats.randgaard@xxxxxxxxx>
Signed-off-by: Martin Bugge <martin.bugge@xxxxxxxxx>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
---
drivers/media/i2c/Kconfig | 9 +
drivers/media/i2c/Makefile | 1 +
drivers/media/i2c/ths8200.c | 560 ++++++++++++++++++++++++++++++++++++++
drivers/media/i2c/ths8200_regs.h | 161 +++++++++++
4 files changed, 731 insertions(+), 0 deletions(-)
create mode 100644 drivers/media/i2c/ths8200.c
create mode 100644 drivers/media/i2c/ths8200_regs.h
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index f981d50..c897d42 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -425,6 +425,15 @@ config VIDEO_AK881X
help
Video output driver for AKM AK8813 and AK8814 TV encoders
+config VIDEO_THS8200
+ tristate "Texas Instruments THS8200 video encoder"
+ depends on VIDEO_V4L2 && I2C
+ ---help---
+ Support for the Texas Instruments THS8200 video encoder.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ths8200.
+
comment "Camera sensor devices"
config VIDEO_APTINA_PLL
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 720f42d..936c4dd 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_VIDEO_BT856) += bt856.o
obj-$(CONFIG_VIDEO_BT866) += bt866.o
obj-$(CONFIG_VIDEO_KS0127) += ks0127.o
obj-$(CONFIG_VIDEO_THS7303) += ths7303.o
+obj-$(CONFIG_VIDEO_THS8200) += ths8200.o
obj-$(CONFIG_VIDEO_TVP5150) += tvp5150.o
obj-$(CONFIG_VIDEO_TVP514X) += tvp514x.o
obj-$(CONFIG_VIDEO_TVP7002) += tvp7002.o
diff --git a/drivers/media/i2c/ths8200.c b/drivers/media/i2c/ths8200.c
new file mode 100644
index 0000000..9396829
--- /dev/null
+++ b/drivers/media/i2c/ths8200.c
@@ -0,0 +1,560 @@
+/*
+ * ths8200 - Texas Instruments THS8200 video encoder driver
+ *
+ * Copyright 2013 Cisco Systems, Inc. and/or its affiliates.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed .as is. WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/v4l2-dv-timings.h>
+
+#include <media/v4l2-device.h>
+
+#include "ths8200_regs.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "debug level (0-2)");
+
+MODULE_DESCRIPTION("Texas Instruments THS8200 video encoder driver");
+MODULE_AUTHOR("Mats Randgaard <mats.randgaard@xxxxxxxxx>");
+MODULE_AUTHOR("Martin Bugge <martin.bugge@xxxxxxxxx>");
+MODULE_LICENSE("GPL v2");
+
+struct ths8200_state {
+ struct v4l2_subdev sd;
+ uint8_t chip_version;
+ /* Is the ths8200 powered on? */
+ bool power_on;
+ struct v4l2_dv_timings dv_timings;
+};
+
+static const struct v4l2_dv_timings ths8200_timings[] = {
+ V4L2_DV_BT_CEA_720X480P59_94,
+ V4L2_DV_BT_CEA_1280X720P24,
+ V4L2_DV_BT_CEA_1280X720P25,
+ V4L2_DV_BT_CEA_1280X720P30,
+ V4L2_DV_BT_CEA_1280X720P50,
+ V4L2_DV_BT_CEA_1280X720P60,
+ V4L2_DV_BT_CEA_1920X1080P24,
+ V4L2_DV_BT_CEA_1920X1080P25,
+ V4L2_DV_BT_CEA_1920X1080P30,
+ V4L2_DV_BT_CEA_1920X1080P50,
+ V4L2_DV_BT_CEA_1920X1080P60,
+};
+
+static inline struct ths8200_state *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct ths8200_state, sd);
+}
+
+static inline unsigned hblanking(const struct v4l2_bt_timings *t)
+{
+ return t->hfrontporch + t->hsync + t->hbackporch;
+}
+
+static inline unsigned htotal(const struct v4l2_bt_timings *t)
+{
+ return t->width + t->hfrontporch + t->hsync + t->hbackporch;
+}
+
+static inline unsigned vblanking(const struct v4l2_bt_timings *t)
+{
+ return t->vfrontporch + t->vsync + t->vbackporch;
+}
+
+static inline unsigned vtotal(const struct v4l2_bt_timings *t)
+{
+ return t->height + t->vfrontporch + t->vsync + t->vbackporch;
+}
+
+static int ths8200_read(struct v4l2_subdev *sd, u8 reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int ths8200_write(struct v4l2_subdev *sd, u8 reg, u8 val)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ int ret;
+ int i;
+
+ for (i = 0; i < 3; i++) {
+ ret = i2c_smbus_write_byte_data(client, reg, val);
+ if (ret == 0)
+ return 0;
+ }
+ v4l2_err(sd, "I2C Write Problem\n");
+ return ret;
+}
+
+/* To set specific bits in the register, a clear-mask is given (to be AND-ed),
+ * and then the value-mask (to be OR-ed).
+ */
+static inline void
+ths8200_write_and_or(struct v4l2_subdev *sd, u8 reg,
+ uint8_t clr_mask, uint8_t val_mask)
+{
+ ths8200_write(sd, reg, (ths8200_read(sd, reg) & clr_mask) | val_mask);
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+
+static int ths8200_g_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ reg->val = ths8200_read(sd, reg->reg & 0xff);
+ reg->size = 1;
+
+ return 0;
+}
+
+static int ths8200_s_register(struct v4l2_subdev *sd,
+ const struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ ths8200_write(sd, reg->reg & 0xff, reg->val & 0xff);
+
+ return 0;
+}
+#endif
+
+static void ths8200_print_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings,
+ const char *txt, bool detailed)
+{
+ struct v4l2_bt_timings *bt = &timings->bt;
+ u32 htot, vtot;
+
+ if (timings->type != V4L2_DV_BT_656_1120)
+ return;
+
+ htot = htotal(bt);
+ vtot = vtotal(bt);
+
+ v4l2_info(sd, "%s %dx%d%s%d (%dx%d)",
+ txt, bt->width, bt->height, bt->interlaced ? "i" : "p",
+ (htot * vtot) > 0 ? ((u32)bt->pixelclock / (htot * vtot)) : 0,
+ htot, vtot);
+
+ if (detailed) {
+ v4l2_info(sd, " horizontal: fp = %d, %ssync = %d, bp = %d\n",
+ bt->hfrontporch,
+ (bt->polarities & V4L2_DV_HSYNC_POS_POL) ? "+" : "-",
+ bt->hsync, bt->hbackporch);
+ v4l2_info(sd, " vertical: fp = %d, %ssync = %d, bp = %d\n",
+ bt->vfrontporch,
+ (bt->polarities & V4L2_DV_VSYNC_POS_POL) ? "+" : "-",
+ bt->vsync, bt->vbackporch);
+ v4l2_info(sd,
+ " pixelclock: %lld, flags: 0x%x, standards: 0x%x\n",
+ bt->pixelclock, bt->flags, bt->standards);
+ }
+}
+
+static int ths8200_log_status(struct v4l2_subdev *sd)
+{
+ struct ths8200_state *state = to_state(sd);
+ uint8_t reg_03 = ths8200_read(sd, THS8200_CHIP_CTL);
+
+ v4l2_info(sd, "----- Chip status -----\n");
+ v4l2_info(sd, "version: %u\n", state->chip_version);
+ v4l2_info(sd, "power: %s\n", (reg_03 & 0x0c) ? "off" : "on");
+ v4l2_info(sd, "reset: %s\n", (reg_03 & 0x01) ? "off" : "on");
+ v4l2_info(sd, "test pattern: %s\n",
+ (reg_03 & 0x20) ? "enabled" : "disabled");
+ v4l2_info(sd, "format: %ux%u\n",
+ ths8200_read(sd, THS8200_DTG2_PIXEL_CNT_MSB) * 256 +
+ ths8200_read(sd, THS8200_DTG2_PIXEL_CNT_LSB),
+ (ths8200_read(sd, THS8200_DTG2_LINE_CNT_MSB) & 0x07) * 256 +
+ ths8200_read(sd, THS8200_DTG2_LINE_CNT_LSB));
+ ths8200_print_timings(sd, &state->dv_timings,
+ "Configured format:", true);
+
+ return 0;
+}
+
+/* Power up/down ths8200 */
+static int ths8200_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct ths8200_state *state = to_state(sd);
+
+ v4l2_dbg(1, debug, sd, "%s: power %s\n", __func__, on ? "on" : "off");
+
+ state->power_on = on;
+
+ /* Power up/down - leave in reset state until input video is present */
+ ths8200_write_and_or(sd, THS8200_CHIP_CTL, 0xf2, (on ? 0x00 : 0x0c));
+
+ return 0;
+}
+
+static const struct v4l2_subdev_core_ops ths8200_core_ops = {
+ .log_status = ths8200_log_status,
+ .s_power = ths8200_s_power,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = ths8200_g_register,
+ .s_register = ths8200_s_register,
+#endif
+};
+
+/* -----------------------------------------------------------------------------
+ * V4L2 subdev video operations
+ */
+
+static int ths8200_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct ths8200_state *state = to_state(sd);
+
+ if (enable && !state->power_on)
+ ths8200_s_power(sd, true);
+
+ ths8200_write_and_or(sd, THS8200_CHIP_CTL, 0xfe,
+ (enable ? 0x01 : 0x00));
+
+ v4l2_dbg(1, debug, sd, "%s: %sable\n",
+ __func__, (enable ? "en" : "dis"));
+
+ return 0;
+}
+
+static void ths8200_core_init(struct v4l2_subdev *sd)
+{
+ /* setup clocks */
+ ths8200_write_and_or(sd, THS8200_CHIP_CTL, 0x3f, 0xc0);
+
+ /**** Data path control (DATA) ****/
+ /* Set FSADJ 700 mV,
+ * bypass 422-444 interpolation,
+ * input format 30 bit RGB444
+ */
+ ths8200_write(sd, THS8200_DATA_CNTL, 0x70);
+
+ /* DTG Mode (Video blocked during blanking
+ * VESA slave
+ */
+ ths8200_write(sd, THS8200_DTG1_MODE, 0x87);
+
+ /**** Display Timing Generator Control, Part 1 (DTG1). ****/
+
+ /* Disable embedded syncs on the output by setting
+ * the amplitude to zero for all channels.
+ */
+ ths8200_write(sd, THS8200_DTG1_Y_SYNC_MSB, 0x2a);
+ ths8200_write(sd, THS8200_DTG1_CBCR_SYNC_MSB, 0x2a);
+}
+
+static void ths8200_setup(struct v4l2_subdev *sd, struct v4l2_bt_timings *bt)
+{
+ uint8_t polarity = 0;
+ uint16_t line_start_active_video = (bt->vsync + bt->vbackporch);
+ uint16_t line_start_front_porch = (vtotal(bt) - bt->vfrontporch);
+
+ /*** System ****/
+ /* Set chip in reset while it is configured */
+ ths8200_s_stream(sd, false);
+
+ /* configure video output timings */
+ ths8200_write(sd, THS8200_DTG1_SPEC_A, bt->hsync);
+ ths8200_write(sd, THS8200_DTG1_SPEC_B, bt->hfrontporch);
+
+ /* Zero for progressive scan formats.*/
+ if (!bt->interlaced)
+ ths8200_write(sd, THS8200_DTG1_SPEC_C, 0x00);
+
+ /* Distance from leading edge of h sync to start of active video.
+ * MSB in 0x2b
+ */
+ ths8200_write(sd, THS8200_DTG1_SPEC_D_LSB,
+ (bt->hbackporch + bt->hsync) & 0xff);
+ /* Zero for SDTV-mode. MSB in 0x2b */
+ ths8200_write(sd, THS8200_DTG1_SPEC_E_LSB, 0x00);
+ /*
+ * MSB for dtg1_spec(d/e/h). See comment for
+ * corresponding LSB registers.
+ */
+ ths8200_write(sd, THS8200_DTG1_SPEC_DEH_MSB,
+ ((bt->hbackporch + bt->hsync) & 0x100) >> 1);
+
+ /* h front porch */
+ ths8200_write(sd, THS8200_DTG1_SPEC_K_LSB, (bt->hfrontporch) & 0xff);
+ ths8200_write(sd, THS8200_DTG1_SPEC_K_MSB,
+ ((bt->hfrontporch) & 0x700) >> 8);
+
+ /* Half the line length. Used to calculate SDTV line types. */
+ ths8200_write(sd, THS8200_DTG1_SPEC_G_LSB, (htotal(bt)/2) & 0xff);
+ ths8200_write(sd, THS8200_DTG1_SPEC_G_MSB,
+ ((htotal(bt)/2) >> 8) & 0x0f);
+
+ /* Total pixels per line (ex. 720p: 1650) */
+ ths8200_write(sd, THS8200_DTG1_TOT_PIXELS_MSB, htotal(bt) >> 8);
+ ths8200_write(sd, THS8200_DTG1_TOT_PIXELS_LSB, htotal(bt) & 0xff);
+
+ /* Frame height and field height */
+ /* Field height should be programmed higher than frame_size for
+ * progressive scan formats
+ */
+ ths8200_write(sd, THS8200_DTG1_FRAME_FIELD_SZ_MSB,
+ ((vtotal(bt) >> 4) & 0xf0) + 0x7);
+ ths8200_write(sd, THS8200_DTG1_FRAME_SZ_LSB, vtotal(bt) & 0xff);
+
+ /* Should be programmed higher than frame_size
+ * for progressive formats
+ */
+ if (!bt->interlaced)
+ ths8200_write(sd, THS8200_DTG1_FIELD_SZ_LSB, 0xff);
+
+ /**** Display Timing Generator Control, Part 2 (DTG2). ****/
+ /* Set breakpoint line numbers and types
+ * THS8200 generates line types with different properties. A line type
+ * that sets all the RGB-outputs to zero is used in the blanking areas,
+ * while a line type that enable the RGB-outputs is used in active video
+ * area. The line numbers for start of active video, start of front
+ * porch and after the last line in the frame must be set with the
+ * corresponding line types.
+ *
+ * Line types:
+ * 0x9 - Full normal sync pulse: Blocks data when dtg1_pass is off.
+ * Used in blanking area.
+ * 0x0 - Active video: Video data is always passed. Used in active
+ * video area.
+ */
+ ths8200_write_and_or(sd, THS8200_DTG2_BP1_2_MSB, 0x88,
+ ((line_start_active_video >> 4) & 0x70) +
+ ((line_start_front_porch >> 8) & 0x07));
+ ths8200_write(sd, THS8200_DTG2_BP3_4_MSB, ((vtotal(bt)) >> 4) & 0x70);
+ ths8200_write(sd, THS8200_DTG2_BP1_LSB, line_start_active_video & 0xff);
+ ths8200_write(sd, THS8200_DTG2_BP2_LSB, line_start_front_porch & 0xff);
+ ths8200_write(sd, THS8200_DTG2_BP3_LSB, (vtotal(bt)) & 0xff);
+
+ /* line types */
+ ths8200_write(sd, THS8200_DTG2_LINETYPE1, 0x90);
+ ths8200_write(sd, THS8200_DTG2_LINETYPE2, 0x90);
+
+ /* h sync width transmitted */
+ ths8200_write(sd, THS8200_DTG2_HLENGTH_LSB, bt->hsync & 0xff);
+ ths8200_write_and_or(sd, THS8200_DTG2_HLENGTH_LSB_HDLY_MSB, 0x3f,
+ (bt->hsync >> 2) & 0xc0);
+
+ /* The pixel value h sync is asserted on */
+ ths8200_write_and_or(sd, THS8200_DTG2_HLENGTH_LSB_HDLY_MSB, 0xe0,
+ (htotal(bt) >> 8) & 0x1f);
+ ths8200_write(sd, THS8200_DTG2_HLENGTH_HDLY_LSB, htotal(bt));
+
+ /* v sync width transmitted */
+ ths8200_write(sd, THS8200_DTG2_VLENGTH1_LSB, (bt->vsync) & 0xff);
+ ths8200_write_and_or(sd, THS8200_DTG2_VLENGTH1_MSB_VDLY1_MSB, 0x3f,
+ ((bt->vsync) >> 2) & 0xc0);
+
+ /* The pixel value v sync is asserted on */
+ ths8200_write_and_or(sd, THS8200_DTG2_VLENGTH1_MSB_VDLY1_MSB, 0xf8,
+ (vtotal(bt)>>8) & 0x7);
+ ths8200_write(sd, THS8200_DTG2_VDLY1_LSB, vtotal(bt));
+
+ /* For progressive video vlength2 must be set to all 0 and vdly2 must
+ * be set to all 1.
+ */
+ ths8200_write(sd, THS8200_DTG2_VLENGTH2_LSB, 0x00);
+ ths8200_write(sd, THS8200_DTG2_VLENGTH2_MSB_VDLY2_MSB, 0x07);
+ ths8200_write(sd, THS8200_DTG2_VDLY2_LSB, 0xff);
+
+ /* Internal delay factors to synchronize the sync pulses and the data */
+ /* Experimental values delays (hor 4, ver 1) */
+ ths8200_write(sd, THS8200_DTG2_HS_IN_DLY_MSB, (htotal(bt)>>8) & 0x1f);
+ ths8200_write(sd, THS8200_DTG2_HS_IN_DLY_LSB, (htotal(bt) - 4) & 0xff);
+ ths8200_write(sd, THS8200_DTG2_VS_IN_DLY_MSB, 0);
+ ths8200_write(sd, THS8200_DTG2_VS_IN_DLY_LSB, 1);
+
+ /* Polarity of received and transmitted sync signals */
+ if (bt->polarities & V4L2_DV_HSYNC_POS_POL) {
+ polarity |= 0x01; /* HS_IN */
+ polarity |= 0x08; /* HS_OUT */
+ }
+ if (bt->polarities & V4L2_DV_VSYNC_POS_POL) {
+ polarity |= 0x02; /* VS_IN */
+ polarity |= 0x10; /* VS_OUT */
+ }
+
+ /* RGB mode, no embedded timings */
+ /* Timing of video input bus is derived from HS, VS, and FID dedicated
+ * inputs
+ */
+ ths8200_write(sd, THS8200_DTG2_CNTL, 0x47 | polarity);
+
+ /* leave reset */
+ ths8200_s_stream(sd, true);
+
+ v4l2_dbg(1, debug, sd, "%s: frame %dx%d, polarity %d\n"
+ "horizontal: front porch %d, back porch %d, sync %d\n"
+ "vertical: sync %d\n", __func__, htotal(bt), vtotal(bt),
+ polarity, bt->hfrontporch, bt->hbackporch,
+ bt->hsync, bt->vsync);
+}
+
+static int ths8200_s_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings)
+{
+ struct ths8200_state *state = to_state(sd);
+ int i;
+
+ v4l2_dbg(1, debug, sd, "%s:\n", __func__);
+
+ if (timings->type != V4L2_DV_BT_656_1120)
+ return -EINVAL;
+
+ /* TODO Support interlaced formats */
+ if (timings->bt.interlaced) {
+ v4l2_dbg(1, debug, sd, "TODO Support interlaced formats\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(ths8200_timings); i++) {
+ if (v4l_match_dv_timings(&ths8200_timings[i], timings, 10))
+ break;
+ }
+
+ if (i == ARRAY_SIZE(ths8200_timings)) {
+ v4l2_dbg(1, debug, sd, "Unsupported format\n");
+ return -EINVAL;
+ }
+
+ timings->bt.flags &= ~V4L2_DV_FL_REDUCED_FPS;
+
+ /* save timings */
+ state->dv_timings = *timings;
+
+ ths8200_setup(sd, &timings->bt);
+
+ return 0;
+}
+
+static int ths8200_g_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings)
+{
+ struct ths8200_state *state = to_state(sd);
+
+ v4l2_dbg(1, debug, sd, "%s:\n", __func__);
+
+ *timings = state->dv_timings;
+
+ return 0;
+}
+
+static int ths8200_enum_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_enum_dv_timings *timings)
+{
+ /* Check requested format index is within range */
+ if (timings->index >= ARRAY_SIZE(ths8200_timings))
+ return -EINVAL;
+
+ timings->timings = ths8200_timings[timings->index];
+
+ return 0;
+}
+
+static int ths8200_dv_timings_cap(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings_cap *cap)
+{
+ cap->type = V4L2_DV_BT_656_1120;
+ cap->bt.max_width = 1920;
+ cap->bt.max_height = 1080;
+ cap->bt.min_pixelclock = 27000000;
+ cap->bt.max_pixelclock = 148500000;
+ cap->bt.standards = V4L2_DV_BT_STD_CEA861;
+ cap->bt.capabilities = V4L2_DV_BT_CAP_PROGRESSIVE;
+
+ return 0;
+}
+
+/* Specific video subsystem operation handlers */
+static const struct v4l2_subdev_video_ops ths8200_video_ops = {
+ .s_stream = ths8200_s_stream,
+ .s_dv_timings = ths8200_s_dv_timings,
+ .g_dv_timings = ths8200_g_dv_timings,
+ .enum_dv_timings = ths8200_enum_dv_timings,
+ .dv_timings_cap = ths8200_dv_timings_cap,
+};
+
+/* V4L2 top level operation handlers */
+static const struct v4l2_subdev_ops ths8200_ops = {
+ .core = &ths8200_core_ops,
+ .video = &ths8200_video_ops,
+};
+
+static int ths8200_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct ths8200_state *state;
+ struct v4l2_subdev *sd;
+
+ /* Check if the adapter supports the needed features */
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
+ if (!state)
+ return -ENOMEM;
+
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &ths8200_ops);
+
+ state->chip_version = ths8200_read(sd, THS8200_VERSION);
+ v4l2_dbg(1, debug, sd, "chip version 0x%x\n", state->chip_version);
+
+ ths8200_core_init(sd);
+
+ v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
+ client->addr << 1, client->adapter->name);
+
+ return 0;
+}
+
+static int ths8200_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+ v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name,
+ client->addr << 1, client->adapter->name);
+
+ ths8200_s_power(sd, false);
+
+ v4l2_device_unregister_subdev(sd);
+
+ return 0;
+}
+
+static struct i2c_device_id ths8200_id[] = {
+ { "ths8200", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, ths8200_id);
+
+static struct i2c_driver ths8200_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "ths8200",
+ },
+ .probe = ths8200_probe,
+ .remove = ths8200_remove,
+ .id_table = ths8200_id,
+};
+
+module_i2c_driver(ths8200_driver);
diff --git a/drivers/media/i2c/ths8200_regs.h b/drivers/media/i2c/ths8200_regs.h
new file mode 100644
index 0000000..6bc9fd1
--- /dev/null
+++ b/drivers/media/i2c/ths8200_regs.h
@@ -0,0 +1,161 @@
+/*
+ * ths8200 - Texas Instruments THS8200 video encoder driver
+ *
+ * Copyright 2013 Cisco Systems, Inc. and/or its affiliates.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed .as is. WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef THS8200_REGS_H
+#define THS8200_REGS_H
+
+/* Register offset macros */
+#define THS8200_VERSION 0x02
+#define THS8200_CHIP_CTL 0x03
+#define THS8200_CSC_R11 0x04
+#define THS8200_CSC_R12 0x05
+#define THS8200_CSC_R21 0x06
+#define THS8200_CSC_R22 0x07
+#define THS8200_CSC_R31 0x08
+#define THS8200_CSC_R32 0x09
+#define THS8200_CSC_G11 0x0a
+#define THS8200_CSC_G12 0x0b
+#define THS8200_CSC_G21 0x0c
+#define THS8200_CSC_G22 0x0d
+#define THS8200_CSC_G31 0x0e
+#define THS8200_CSC_G32 0x0f
+#define THS8200_CSC_B11 0x10
+#define THS8200_CSC_B12 0x11
+#define THS8200_CSC_B21 0x12
+#define THS8200_CSC_B22 0x13
+#define THS8200_CSC_B31 0x14
+#define THS8200_CSC_B32 0x15
+#define THS8200_CSC_OFFS1 0x16
+#define THS8200_CSC_OFFS12 0x17
+#define THS8200_CSC_OFFS23 0x18
+#define THS8200_CSC_OFFS3 0x19
+#define THS8200_TST_CNTL1 0x1a
+#define THS8200_TST_CNTL2 0x1b
+#define THS8200_DATA_CNTL 0x1c
+#define THS8200_DTG1_Y_SYNC1_LSB 0x1d
+#define THS8200_DTG1_Y_SYNC2_LSB 0x1e
+#define THS8200_DTG1_Y_SYNC3_LSB 0x1f
+#define THS8200_DTG1_CBCR_SYNC1_LSB 0x20
+#define THS8200_DTG1_CBCR_SYNC2_LSB 0x21
+#define THS8200_DTG1_CBCR_SYNC3_LSB 0x22
+#define THS8200_DTG1_Y_SYNC_MSB 0x23
+#define THS8200_DTG1_CBCR_SYNC_MSB 0x24
+#define THS8200_DTG1_SPEC_A 0x25
+#define THS8200_DTG1_SPEC_B 0x26
+#define THS8200_DTG1_SPEC_C 0x27
+#define THS8200_DTG1_SPEC_D_LSB 0x28
+#define THS8200_DTG1_SPEC_D1 0x29
+#define THS8200_DTG1_SPEC_E_LSB 0x2a
+#define THS8200_DTG1_SPEC_DEH_MSB 0x2b
+#define THS8200_DTG1_SPEC_H_LSB 0x2c
+#define THS8200_DTG1_SPEC_I_MSB 0x2d
+#define THS8200_DTG1_SPEC_I_LSB 0x2e
+#define THS8200_DTG1_SPEC_K_LSB 0x2f
+#define THS8200_DTG1_SPEC_K_MSB 0x30
+#define THS8200_DTG1_SPEC_K1 0x31
+#define THS8200_DTG1_SPEC_G_LSB 0x32
+#define THS8200_DTG1_SPEC_G_MSB 0x33
+#define THS8200_DTG1_TOT_PIXELS_MSB 0x34
+#define THS8200_DTG1_TOT_PIXELS_LSB 0x35
+#define THS8200_DTG1_FLD_FLIP_LINECNT_MSB 0x36
+#define THS8200_DTG1_LINECNT_LSB 0x37
+#define THS8200_DTG1_MODE 0x38
+#define THS8200_DTG1_FRAME_FIELD_SZ_MSB 0x39
+#define THS8200_DTG1_FRAME_SZ_LSB 0x3a
+#define THS8200_DTG1_FIELD_SZ_LSB 0x3b
+#define THS8200_DTG1_VESA_CBAR_SIZE 0x3c
+#define THS8200_DAC_CNTL_MSB 0x3d
+#define THS8200_DAC1_CNTL_LSB 0x3e
+#define THS8200_DAC2_CNTL_LSB 0x3f
+#define THS8200_DAC3_CNTL_LSB 0x40
+#define THS8200_CSM_CLIP_GY_LOW 0x41
+#define THS8200_CSM_CLIP_BCB_LOW 0x42
+#define THS8200_CSM_CLIP_RCR_LOW 0x43
+#define THS8200_CSM_CLIP_GY_HIGH 0x44
+#define THS8200_CSM_CLIP_BCB_HIGH 0x45
+#define THS8200_CSM_CLIP_RCR_HIGH 0x46
+#define THS8200_CSM_SHIFT_GY 0x47
+#define THS8200_CSM_SHIFT_BCB 0x48
+#define THS8200_CSM_SHIFT_RCR 0x49
+#define THS8200_CSM_GY_CNTL_MULT_MSB 0x4a
+#define THS8200_CSM_MULT_BCB_RCR_MSB 0x4b
+#define THS8200_CSM_MULT_GY_LSB 0x4c
+#define THS8200_CSM_MULT_BCB_LSB 0x4d
+#define THS8200_CSM_MULT_RCR_LSB 0x4e
+#define THS8200_CSM_MULT_RCR_BCB_CNTL 0x4f
+#define THS8200_CSM_MULT_RCR_LSB 0x4e
+#define THS8200_DTG2_BP1_2_MSB 0x50
+#define THS8200_DTG2_BP3_4_MSB 0x51
+#define THS8200_DTG2_BP5_6_MSB 0x52
+#define THS8200_DTG2_BP7_8_MSB 0x53
+#define THS8200_DTG2_BP9_10_MSB 0x54
+#define THS8200_DTG2_BP11_12_MSB 0x55
+#define THS8200_DTG2_BP13_14_MSB 0x56
+#define THS8200_DTG2_BP15_16_MSB 0x57
+#define THS8200_DTG2_BP1_LSB 0x58
+#define THS8200_DTG2_BP2_LSB 0x59
+#define THS8200_DTG2_BP3_LSB 0x5a
+#define THS8200_DTG2_BP4_LSB 0x5b
+#define THS8200_DTG2_BP5_LSB 0x5c
+#define THS8200_DTG2_BP6_LSB 0x5d
+#define THS8200_DTG2_BP7_LSB 0x5e
+#define THS8200_DTG2_BP8_LSB 0x5f
+#define THS8200_DTG2_BP9_LSB 0x60
+#define THS8200_DTG2_BP10_LSB 0x61
+#define THS8200_DTG2_BP11_LSB 0x62
+#define THS8200_DTG2_BP12_LSB 0x63
+#define THS8200_DTG2_BP13_LSB 0x64
+#define THS8200_DTG2_BP14_LSB 0x65
+#define THS8200_DTG2_BP15_LSB 0x66
+#define THS8200_DTG2_BP16_LSB 0x67
+#define THS8200_DTG2_LINETYPE1 0x68
+#define THS8200_DTG2_LINETYPE2 0x69
+#define THS8200_DTG2_LINETYPE3 0x6a
+#define THS8200_DTG2_LINETYPE4 0x6b
+#define THS8200_DTG2_LINETYPE5 0x6c
+#define THS8200_DTG2_LINETYPE6 0x6d
+#define THS8200_DTG2_LINETYPE7 0x6e
+#define THS8200_DTG2_LINETYPE8 0x6f
+#define THS8200_DTG2_HLENGTH_LSB 0x70
+#define THS8200_DTG2_HLENGTH_LSB_HDLY_MSB 0x71
+#define THS8200_DTG2_HLENGTH_HDLY_LSB 0x72
+#define THS8200_DTG2_VLENGTH1_LSB 0x73
+#define THS8200_DTG2_VLENGTH1_MSB_VDLY1_MSB 0x74
+#define THS8200_DTG2_VDLY1_LSB 0x75
+#define THS8200_DTG2_VLENGTH2_LSB 0x76
+#define THS8200_DTG2_VLENGTH2_MSB_VDLY2_MSB 0x77
+#define THS8200_DTG2_VDLY2_LSB 0x78
+#define THS8200_DTG2_HS_IN_DLY_MSB 0x79
+#define THS8200_DTG2_HS_IN_DLY_LSB 0x7a
+#define THS8200_DTG2_VS_IN_DLY_MSB 0x7b
+#define THS8200_DTG2_VS_IN_DLY_LSB 0x7c
+#define THS8200_DTG2_PIXEL_CNT_MSB 0x7d
+#define THS8200_DTG2_PIXEL_CNT_LSB 0x7e
+#define THS8200_DTG2_LINE_CNT_MSB 0x7f
+#define THS8200_DTG2_LINE_CNT_LSB 0x80
+#define THS8200_DTG2_CNTL 0x82
+#define THS8200_CGMS_CNTL_HEADER 0x83
+#define THS8200_CGMS_PAYLOAD_MSB 0x84
+#define THS8200_CGMS_PAYLOAD_LSB 0x85
+#define THS8200_MISC_PPL_LSB 0x86
+#define THS8200_MISC_PPL_MSB 0x87
+#define THS8200_MISC_LPF_MSB 0x88
+#define THS8200_MISC_LPF_LSB 0x89
+
+#endif /* THS8200_REGS_H */
--
1.7.0.4
--
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