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path: root/drivers/media/i2c/tvp5150.c
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Diffstat (limited to 'drivers/media/i2c/tvp5150.c')
-rw-r--r--drivers/media/i2c/tvp5150.c560
1 files changed, 400 insertions, 160 deletions
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 76e6bed5a1da..0e91b9949c3a 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -10,8 +10,10 @@
#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/regmap.h>
#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
@@ -26,6 +28,9 @@
#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
MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
MODULE_AUTHOR("Mauro Carvalho Chehab");
@@ -38,20 +43,31 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
#define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
+enum tvp5150_pads {
+ TVP5150_PAD_IF_INPUT,
+ TVP5150_PAD_VID_OUT,
+ TVP5150_NUM_PADS
+};
+
struct tvp5150 {
struct v4l2_subdev sd;
#ifdef CONFIG_MEDIA_CONTROLLER
- struct media_pad pads[DEMOD_NUM_PADS];
+ struct media_pad pads[TVP5150_NUM_PADS];
struct media_entity input_ent[TVP5150_INPUT_NUM];
struct media_pad input_pad[TVP5150_INPUT_NUM];
#endif
struct v4l2_ctrl_handler hdl;
struct v4l2_rect rect;
+ 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;
@@ -71,32 +87,14 @@ static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
{
- struct i2c_client *c = v4l2_get_subdevdata(sd);
- int rc;
-
- rc = i2c_smbus_read_byte_data(c, addr);
- if (rc < 0) {
- dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
- return rc;
- }
-
- dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
-
- return rc;
-}
-
-static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
- unsigned char value)
-{
- struct i2c_client *c = v4l2_get_subdevdata(sd);
- int rc;
+ struct tvp5150 *decoder = to_tvp5150(sd);
+ int ret, val;
- dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
- rc = i2c_smbus_write_byte_data(c, addr, value);
- if (rc < 0)
- dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
+ ret = regmap_read(decoder->regmap, addr, &val);
+ if (ret < 0)
+ return ret;
- return rc;
+ return val;
}
static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
@@ -262,8 +260,8 @@ static void tvp5150_selmux(struct v4l2_subdev *sd)
{
int opmode = 0;
struct tvp5150 *decoder = to_tvp5150(sd);
+ unsigned int mask, val;
int input = 0;
- int val;
/* Only tvp5150am1 and tvp5151 have signal generator support */
if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
@@ -288,8 +286,8 @@ static void tvp5150_selmux(struct v4l2_subdev *sd)
decoder->input, decoder->output,
input, opmode);
- tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
- tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
+ 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
@@ -298,17 +296,12 @@ static void tvp5150_selmux(struct v4l2_subdev *sd)
* field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
* INTREQ/GPCL/VBLK to logic 1.
*/
- val = tvp5150_read(sd, TVP5150_MISC_CTL);
- if (val < 0) {
- dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
- return;
- }
-
+ mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;
if (decoder->input == TVP5150_SVIDEO)
- val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK;
+ val = TVP5150_MISC_CTL_HVLK;
else
- val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL;
- tvp5150_write(sd, TVP5150_MISC_CTL, val);
+ val = TVP5150_MISC_CTL_GPCL;
+ regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
};
struct i2c_reg_value {
@@ -454,9 +447,7 @@ static const struct i2c_reg_value tvp5150_init_default[] = {
/* Default values as sugested at TVP5150AM1 datasheet */
static const struct i2c_reg_value tvp5150_init_enable[] = {
- {
- TVP5150_CONF_SHARED_PIN, 2
- }, { /* Automatic offset and AGC enabled */
+ { /* Automatic offset and AGC enabled */
TVP5150_ANAL_CHL_CTL, 0x15
}, { /* Activate YCrCb output 0x9 or 0xd ? */
TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
@@ -583,8 +574,10 @@ static struct i2c_vbi_ram_value vbi_ram_default[] = {
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) {
- tvp5150_write(sd, regs->reg, regs->value);
+ regmap_write(decoder->regmap, regs->reg, regs->value);
regs++;
}
return 0;
@@ -592,15 +585,17 @@ static int tvp5150_write_inittab(struct v4l2_subdev *sd,
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 */
- tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
+ 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++)
- tvp5150_write(sd, i, 0xff);
+ regmap_write(map, i, 0xff);
/* Load Ram Table */
for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
@@ -609,11 +604,12 @@ static int tvp5150_vdp_init(struct v4l2_subdev *sd)
if (!regs->type.vbi_type)
continue;
- tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
- tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
+ 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++)
- tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
+ regmap_write(map, TVP5150_VDP_CONF_RAM_DATA,
+ regs->values[i]);
}
return 0;
}
@@ -693,10 +689,10 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd,
reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
if (fields & 1)
- tvp5150_write(sd, reg, type);
+ regmap_write(decoder->regmap, reg, type);
if (fields & 2)
- tvp5150_write(sd, reg + 1, type);
+ regmap_write(decoder->regmap, reg + 1, type);
return type;
}
@@ -742,8 +738,6 @@ static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
struct tvp5150 *decoder = to_tvp5150(sd);
int fmt = 0;
- decoder->norm = std;
-
/* First tests should be against specific std */
if (std == V4L2_STD_NTSC_443) {
@@ -763,7 +757,16 @@ static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
}
dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
- tvp5150_write(sd, TVP5150_VIDEO_STD, 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;
}
@@ -780,33 +783,166 @@ static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
else
decoder->rect.height = TVP5150_V_MAX_OTHERS;
+ decoder->norm = 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);
- /* Initialize image preferences */
- v4l2_ctrl_handler_setup(&decoder->hdl);
+ if (decoder->norm == V4L2_STD_ALL)
+ std = tvp5150_read_std(sd);
+ else
+ std = decoder->norm;
- tvp5150_set_std(sd, decoder->norm);
+ /* Disable autoswitch mode */
+ tvp5150_set_std(sd, std);
- if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
- tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
+ /*
+ * Enable the YCbCr and clock outputs. In discrete sync mode
+ * (non-BT.656) additionally enable the 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;
};
@@ -818,17 +954,18 @@ static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
+ regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);
return 0;
case V4L2_CID_CONTRAST:
- tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
+ regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);
return 0;
case V4L2_CID_SATURATION:
- tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
+ regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,
+ ctrl->val);
return 0;
case V4L2_CID_HUE:
- tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
- break;
+ 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);
@@ -837,36 +974,26 @@ static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
return -EINVAL;
}
-static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
+static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
{
- 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;
- }
+ /* 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 int tvp5150_fill_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
{
struct v4l2_mbus_framefmt *f;
struct tvp5150 *decoder = to_tvp5150(sd);
- if (!format || (format->pad != DEMOD_PAD_VID_OUT))
+ if (!format || (format->pad != TVP5150_PAD_VID_OUT))
return -EINVAL;
f = &format->format;
@@ -874,12 +1001,12 @@ static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
f->width = decoder->rect.width;
f->height = decoder->rect.height / 2;
- f->code = MEDIA_BUS_FMT_UYVY8_2X8;
- f->field = V4L2_FIELD_ALTERNATE;
- f->colorspace = V4L2_COLORSPACE_SMPTE170M;
+ 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);
+ f->height);
return 0;
}
@@ -901,9 +1028,6 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
/* tvp5150 has some special limits */
rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
- rect.width = clamp_t(unsigned int, rect.width,
- TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
- TVP5150_H_MAX - rect.left);
rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
/* Calculate height based on current standard */
@@ -917,22 +1041,29 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
else
hmax = TVP5150_V_MAX_OTHERS;
- rect.height = clamp_t(unsigned int, rect.height,
+ /*
+ * 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);
-
- tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
- tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
- rect.top + rect.height - hmax);
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
- rect.left >> TVP5150_CROP_SHIFT);
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
- rect.left | (1 << TVP5150_CROP_SHIFT));
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
- (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
- TVP5150_CROP_SHIFT);
- tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
- rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
+ hmax - rect.top, 0, 0);
+
+ 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);
decoder->rect = rect;
@@ -951,7 +1082,6 @@ static int tvp5150_get_selection(struct v4l2_subdev *sd,
switch (sel->target) {
case V4L2_SEL_TGT_CROP_BOUNDS:
- case V4L2_SEL_TGT_CROP_DEFAULT:
sel->r.left = 0;
sel->r.top = 0;
sel->r.width = TVP5150_H_MAX;
@@ -989,6 +1119,27 @@ static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
/****************************************************************************
V4L2 subdev pad ops
****************************************************************************/
+static int tvp5150_init_cfg(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg)
+{
+ 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_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code)
@@ -996,7 +1147,7 @@ static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
if (code->pad || code->index)
return -EINVAL;
- code->code = MEDIA_BUS_FMT_UYVY8_2X8;
+ code->code = TVP5150_MBUS_FMT;
return 0;
}
@@ -1006,10 +1157,10 @@ static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
{
struct tvp5150 *decoder = to_tvp5150(sd);
- if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
+ if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
return -EINVAL;
- fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
+ fse->code = TVP5150_MBUS_FMT;
fse->min_width = decoder->rect.width;
fse->max_width = decoder->rect.width;
fse->min_height = decoder->rect.height / 2;
@@ -1059,27 +1210,28 @@ static const struct media_entity_operations tvp5150_sd_media_ops = {
static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
{
struct tvp5150 *decoder = to_tvp5150(sd);
- int val;
+ unsigned int mask, val = 0, int_val = 0;
- /* Enable or disable the video output signals. */
- val = tvp5150_read(sd, TVP5150_MISC_CTL);
- if (val < 0)
- return val;
-
- val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
- TVP5150_MISC_CTL_CLOCK_OE);
+ mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
+ TVP5150_MISC_CTL_CLOCK_OE;
if (enable) {
- /*
- * Enable the YCbCr and clock outputs. In discrete sync mode
- * (non-BT.656) additionally enable the the sync outputs.
- */
- val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
- if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
- val |= TVP5150_MISC_CTL_SYNC_OE;
+ tvp5150_enable(sd);
+
+ /* Enable outputs if decoder is locked */
+ if (decoder->irq)
+ val = decoder->lock ? decoder->oe : 0;
+ else
+ val = decoder->oe;
+ int_val = TVP5150_INT_A_LOCK;
+ v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
}
- tvp5150_write(sd, TVP5150_MISC_CTL, val);
+ regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
+ if (decoder->irq)
+ /* Enable / Disable lock interrupt */
+ regmap_update_bits(decoder->regmap, TVP5150_INT_ENABLE_REG_A,
+ TVP5150_INT_A_LOCK, int_val);
return 0;
}
@@ -1103,6 +1255,8 @@ static int tvp5150_s_routing(struct v4l2_subdev *sd,
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
@@ -1112,16 +1266,18 @@ static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt
*/
if (fmt->sample_format == V4L2_PIX_FMT_GREY)
- tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
+ regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);
if (fmt->count[0] == 18 && fmt->count[1] == 18) {
- tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
- tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
+ 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) {
@@ -1132,17 +1288,17 @@ static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_f
0xf0, i, 3);
}
/* Enables FIFO */
- tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
+ regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);
} else {
/* Disables FIFO*/
- tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
+ regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);
/* Disable Full Field */
- tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
+ regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);
/* Disable Line modes */
for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
- tvp5150_write(sd, i, 0xff);
+ regmap_write(decoder->regmap, i, 0xff);
}
return 0;
}
@@ -1180,7 +1336,9 @@ static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
{
- return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
+ struct tvp5150 *decoder = to_tvp5150(sd);
+
+ return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);
}
#endif
@@ -1217,7 +1375,7 @@ static int tvp5150_registered(struct v4l2_subdev *sd)
return ret;
ret = media_create_pad_link(input, 0, &sd->entity,
- DEMOD_PAD_IF_INPUT, 0);
+ TVP5150_PAD_IF_INPUT, 0);
if (ret < 0) {
media_device_unregister_entity(input);
return ret;
@@ -1249,6 +1407,8 @@ static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
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,
.g_mbus_config = tvp5150_g_mbus_config,
@@ -1262,6 +1422,7 @@ static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
};
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,
@@ -1282,16 +1443,87 @@ static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
.registered = tvp5150_registered,
};
-
/****************************************************************************
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);
- unsigned int i;
u8 regs[4];
int res;
@@ -1299,11 +1531,10 @@ static int tvp5150_detect_version(struct tvp5150 *core)
* Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
* TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
*/
- for (i = 0; i < 4; i++) {
- res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
- if (res < 0)
- return res;
- regs[i] = res;
+ 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];
@@ -1319,7 +1550,7 @@ static int tvp5150_detect_version(struct tvp5150 *core)
dev_info(sd->dev, "tvp5150am1 detected.\n");
/* ITU-T BT.656.4 timing */
- tvp5150_write(sd, TVP5150_REV_SELECT, 0);
+ 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 {
@@ -1362,7 +1593,7 @@ static int tvp5150_init(struct i2c_client *c)
static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
{
- struct v4l2_fwnode_endpoint bus_cfg;
+ struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
struct device_node *ep;
#ifdef CONFIG_MEDIA_CONTROLLER
struct device_node *connectors, *child;
@@ -1403,8 +1634,8 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
ret = of_property_read_u32(child, "input", &input_type);
if (ret) {
dev_err(decoder->sd.dev,
- "missing type property in node %s\n",
- child->name);
+ "missing type property in node %pOFn\n",
+ child);
goto err_connector;
}
@@ -1439,8 +1670,8 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
ret = of_property_read_string(child, "label", &name);
if (ret < 0) {
dev_err(decoder->sd.dev,
- "missing label property in node %s\n",
- child->name);
+ "missing label property in node %pOFn\n",
+ child);
goto err_connector;
}
@@ -1466,6 +1697,7 @@ 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;
int res;
/* Check if the adapter supports the needed features */
@@ -1481,6 +1713,11 @@ static int tvp5150_probe(struct i2c_client *c,
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;
if (IS_ENABLED(CONFIG_OF) && np) {
@@ -1499,13 +1736,14 @@ static int tvp5150_probe(struct i2c_client *c,
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
#if defined(CONFIG_MEDIA_CONTROLLER)
- core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
- core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
- core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
+ core->pads[TVP5150_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
+ core->pads[TVP5150_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
+ core->pads[TVP5150_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
+ core->pads[TVP5150_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
- res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
+ res = media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS, core->pads);
if (res < 0)
return res;
@@ -1517,6 +1755,7 @@ static int tvp5150_probe(struct i2c_client *c,
return res;
core->norm = V4L2_STD_ALL; /* Default is autodetect */
+ core->detected_norm = V4L2_STD_UNKNOWN;
core->input = TVP5150_COMPOSITE1;
core->enable = true;
@@ -1534,7 +1773,7 @@ static int tvp5150_probe(struct i2c_client *c,
27000000, 1, 27000000);
v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
V4L2_CID_TEST_PATTERN,
- ARRAY_SIZE(tvp5150_test_patterns),
+ ARRAY_SIZE(tvp5150_test_patterns) - 1,
0, 0, tvp5150_test_patterns);
sd->ctrl_handler = &core->hdl;
if (core->hdl.error) {
@@ -1542,16 +1781,17 @@ static int tvp5150_probe(struct i2c_client *c,
goto err;
}
- /* Default is no cropping */
- core->rect.top = 0;
- if (tvp5150_read_std(sd) & V4L2_STD_525_60)
- core->rect.height = TVP5150_V_MAX_525_60;
- else
- core->rect.height = TVP5150_V_MAX_OTHERS;
- core->rect.left = 0;
- core->rect.width = TVP5150_H_MAX;
+ tvp5150_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)
+ return res;
+ }
res = v4l2_async_register_subdev(sd);
if (res < 0)