diff options
Diffstat (limited to 'drivers/media/i2c/tvp5150.c')
-rw-r--r-- | drivers/media/i2c/tvp5150.c | 452 |
1 files changed, 402 insertions, 50 deletions
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c index 6c3769d44b75..ef393f5daf2a 100644 --- a/drivers/media/i2c/tvp5150.c +++ b/drivers/media/i2c/tvp5150.c @@ -1,19 +1,22 @@ /* - * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver + * tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver * * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org) * This code is placed under the terms of the GNU General Public License v2 */ +#include <dt-bindings/media/tvp5150.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/videodev2.h> #include <linux/delay.h> +#include <linux/gpio/consumer.h> #include <linux/module.h> #include <media/v4l2-async.h> #include <media/v4l2-device.h> -#include <media/i2c/tvp5150.h> #include <media/v4l2-ctrls.h> +#include <media/v4l2-of.h> +#include <media/v4l2-mc.h> #include "tvp5150_reg.h" @@ -24,7 +27,7 @@ #define TVP5150_MAX_CROP_TOP 127 #define TVP5150_CROP_SHIFT 2 -MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver"); +MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver"); MODULE_AUTHOR("Mauro Carvalho Chehab"); MODULE_LICENSE("GPL"); @@ -35,6 +38,11 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)"); struct tvp5150 { struct v4l2_subdev sd; +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_pad pads[DEMOD_NUM_PADS]; + struct media_entity input_ent[TVP5150_INPUT_NUM]; + struct media_pad input_pad[TVP5150_INPUT_NUM]; +#endif struct v4l2_ctrl_handler hdl; struct v4l2_rect rect; @@ -42,6 +50,11 @@ struct tvp5150 { u32 input; u32 output; int enable; + + u16 dev_id; + u16 rom_ver; + + enum v4l2_mbus_type mbus_type; }; static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) @@ -246,8 +259,12 @@ static inline void tvp5150_selmux(struct v4l2_subdev *sd) int input = 0; int val; - if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable) - input = 8; + /* 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: @@ -772,12 +789,17 @@ static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) v4l2_ctrl_handler_setup(&decoder->hdl); tvp5150_set_std(sd, decoder->norm); + + if (decoder->mbus_type == V4L2_MBUS_PARALLEL) + tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); + return 0; }; static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = to_sd(ctrl); + struct tvp5150 *decoder = to_tvp5150(sd); switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: @@ -791,6 +813,9 @@ static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) return 0; case V4L2_CID_HUE: tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); + case V4L2_CID_TEST_PATTERN: + decoder->enable = ctrl->val ? false : true; + tvp5150_selmux(sd); return 0; } return -EINVAL; @@ -818,17 +843,6 @@ static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) } } -static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_mbus_code_enum *code) -{ - if (code->pad || code->index) - return -EINVAL; - - code->code = MEDIA_BUS_FMT_UYVY8_2X8; - return 0; -} - static int tvp5150_fill_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) @@ -844,10 +858,10 @@ static int tvp5150_fill_fmt(struct v4l2_subdev *sd, tvp5150_reset(sd, 0); f->width = decoder->rect.width; - f->height = decoder->rect.height; + f->height = decoder->rect.height / 2; f->code = MEDIA_BUS_FMT_UYVY8_2X8; - f->field = V4L2_FIELD_SEQ_TB; + f->field = V4L2_FIELD_ALTERNATE; f->colorspace = V4L2_COLORSPACE_SMPTE170M; v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width, @@ -948,10 +962,110 @@ static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) return 0; } +static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *cfg) +{ + struct tvp5150 *decoder = to_tvp5150(sd); + + cfg->type = decoder->mbus_type; + cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING + | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; + + return 0; +} + +/**************************************************************************** + V4L2 subdev pad ops + ****************************************************************************/ +static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->pad || code->index) + return -EINVAL; + + code->code = MEDIA_BUS_FMT_UYVY8_2X8; + return 0; +} + +static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct tvp5150 *decoder = to_tvp5150(sd); + + if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) + return -EINVAL; + + fse->code = MEDIA_BUS_FMT_UYVY8_2X8; + fse->min_width = decoder->rect.width; + fse->max_width = decoder->rect.width; + fse->min_height = decoder->rect.height / 2; + fse->max_height = decoder->rect.height / 2; + + return 0; +} + +/**************************************************************************** + Media entity ops + ****************************************************************************/ + +static int tvp5150_link_setup(struct media_entity *entity, + const struct media_pad *local, + const struct media_pad *remote, u32 flags) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct tvp5150 *decoder = to_tvp5150(sd); + int i; + + for (i = 0; i < TVP5150_INPUT_NUM; i++) { + if (remote->entity == &decoder->input_ent[i]) + break; + } + + /* Do nothing for entities that are not input connectors */ + if (i == TVP5150_INPUT_NUM) + return 0; + + decoder->input = i; + + tvp5150_selmux(sd); +#endif + + return 0; +} + +static const struct media_entity_operations tvp5150_sd_media_ops = { + .link_setup = tvp5150_link_setup, +}; + /**************************************************************************** I2C Command ****************************************************************************/ +static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct tvp5150 *decoder = to_tvp5150(sd); + /* Output format: 8-bit ITU-R BT.656 with embedded syncs */ + int val = 0x09; + + /* Output format: 8-bit 4:2:2 YUV with discrete sync */ + if (decoder->mbus_type == V4L2_MBUS_PARALLEL) + val = 0x0d; + + /* Initializes TVP5150 to its default values */ + /* # set PCLK (27MHz) */ + tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00); + + if (enable) + tvp5150_write(sd, TVP5150_MISC_CTL, val); + else + tvp5150_write(sd, TVP5150_MISC_CTL, 0x00); + + return 0; +} + static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { @@ -959,6 +1073,12 @@ static int tvp5150_s_routing(struct v4l2_subdev *sd, decoder->input = input; decoder->output = output; + + if (output == TVP5150_BLACK_SCREEN) + decoder->enable = false; + else + decoder->enable = true; + tvp5150_selmux(sd); return 0; } @@ -1052,6 +1172,42 @@ static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) return 0; } +static int tvp5150_registered_async(struct v4l2_subdev *sd) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct tvp5150 *decoder = to_tvp5150(sd); + int ret = 0; + int i; + + for (i = 0; i < TVP5150_INPUT_NUM; i++) { + struct media_entity *input = &decoder->input_ent[i]; + struct media_pad *pad = &decoder->input_pad[i]; + + if (!input->name) + continue; + + decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; + + ret = media_entity_pads_init(input, 1, pad); + if (ret < 0) + return ret; + + ret = media_device_register_entity(sd->v4l2_dev->mdev, input); + if (ret < 0) + return ret; + + ret = media_create_pad_link(input, 0, &sd->entity, + DEMOD_PAD_IF_INPUT, 0); + if (ret < 0) { + media_device_unregister_entity(input); + return ret; + } + } +#endif + + return 0; +} + /* ----------------------------------------------------------------------- */ static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { @@ -1065,6 +1221,7 @@ static const struct v4l2_subdev_core_ops tvp5150_core_ops = { .g_register = tvp5150_g_register, .s_register = tvp5150_s_register, #endif + .registered_async = tvp5150_registered_async, }; static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { @@ -1073,10 +1230,12 @@ 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, + .s_stream = tvp5150_s_stream, .s_routing = tvp5150_s_routing, .s_crop = tvp5150_s_crop, .g_crop = tvp5150_g_crop, .cropcap = tvp5150_cropcap, + .g_mbus_config = tvp5150_g_mbus_config, }; static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { @@ -1088,6 +1247,7 @@ static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { .enum_mbus_code = tvp5150_enum_mbus_code, + .enum_frame_size = tvp5150_enum_frame_size, .set_fmt = tvp5150_fill_fmt, .get_fmt = tvp5150_fill_fmt, }; @@ -1105,63 +1265,239 @@ static const struct v4l2_subdev_ops tvp5150_ops = { I2C Client & Driver ****************************************************************************/ +static int tvp5150_detect_version(struct tvp5150 *core) +{ + struct v4l2_subdev *sd = &core->sd; + struct i2c_client *c = v4l2_get_subdevdata(sd); + unsigned int i; + u8 regs[4]; + int res; + + /* + * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, + * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER + */ + for (i = 0; i < 4; i++) { + res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); + if (res < 0) + return res; + regs[i] = res; + } + + core->dev_id = (regs[0] << 8) | regs[1]; + core->rom_ver = (regs[2] << 8) | regs[3]; + + v4l2_info(sd, "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) { + v4l2_info(sd, "tvp5150a detected.\n"); + } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { + v4l2_info(sd, "tvp5150am1 detected.\n"); + + /* ITU-T BT.656.4 timing */ + tvp5150_write(sd, TVP5150_REV_SELECT, 0); + } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { + v4l2_info(sd, "tvp5151 detected.\n"); + } else { + v4l2_info(sd, "*** unknown tvp%04x chip detected.\n", + core->dev_id); + } + + return 0; +} + +static int tvp5150_init(struct i2c_client *c) +{ + struct gpio_desc *pdn_gpio; + struct gpio_desc *reset_gpio; + + pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); + if (IS_ERR(pdn_gpio)) + return PTR_ERR(pdn_gpio); + + if (pdn_gpio) { + gpiod_set_value_cansleep(pdn_gpio, 0); + /* Delay time between power supplies active and reset */ + msleep(20); + } + + reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(reset_gpio)) + return PTR_ERR(reset_gpio); + + if (reset_gpio) { + /* RESETB pulse duration */ + ndelay(500); + gpiod_set_value_cansleep(reset_gpio, 0); + /* Delay time between end of reset to I2C active */ + usleep_range(200, 250); + } + + return 0; +} + +static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) +{ + struct v4l2_of_endpoint bus_cfg; + struct device_node *ep; +#ifdef CONFIG_MEDIA_CONTROLLER + struct device_node *connectors, *child; + struct media_entity *input; + const char *name; + u32 input_type; +#endif + unsigned int flags; + int ret = 0; + + ep = of_graph_get_next_endpoint(np, NULL); + if (!ep) + return -EINVAL; + + ret = v4l2_of_parse_endpoint(ep, &bus_cfg); + if (ret) + goto err; + + flags = bus_cfg.bus.parallel.flags; + + if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && + !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && + flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && + flags & V4L2_MBUS_FIELD_EVEN_LOW)) { + ret = -EINVAL; + goto err; + } + + decoder->mbus_type = bus_cfg.bus_type; + +#ifdef CONFIG_MEDIA_CONTROLLER + connectors = of_get_child_by_name(np, "connectors"); + + if (!connectors) + goto err; + + for_each_available_child_of_node(connectors, child) { + ret = of_property_read_u32(child, "input", &input_type); + if (ret) { + v4l2_err(&decoder->sd, + "missing type property in node %s\n", + child->name); + goto err_connector; + } + + if (input_type > TVP5150_INPUT_NUM) { + ret = -EINVAL; + goto err_connector; + } + + input = &decoder->input_ent[input_type]; + + /* Each input connector can only be defined once */ + if (input->name) { + v4l2_err(&decoder->sd, + "input %s with same type already exists\n", + input->name); + ret = -EINVAL; + goto err_connector; + } + + switch (input_type) { + case TVP5150_COMPOSITE0: + case TVP5150_COMPOSITE1: + input->function = MEDIA_ENT_F_CONN_COMPOSITE; + break; + case TVP5150_SVIDEO: + input->function = MEDIA_ENT_F_CONN_SVIDEO; + break; + } + + input->flags = MEDIA_ENT_FL_CONNECTOR; + + ret = of_property_read_string(child, "label", &name); + if (ret < 0) { + v4l2_err(&decoder->sd, + "missing label property in node %s\n", + child->name); + goto err_connector; + } + + input->name = name; + } + +err_connector: + of_node_put(connectors); +#endif +err: + of_node_put(ep); + return ret; +} + +static const char * const tvp5150_test_patterns[2] = { + "Disabled", + "Black screen" +}; + static int tvp5150_probe(struct i2c_client *c, const struct i2c_device_id *id) { struct tvp5150 *core; struct v4l2_subdev *sd; - int tvp5150_id[4]; - int i, res; + struct device_node *np = c->dev.of_node; + int res; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(c->adapter, I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) return -EIO; + res = tvp5150_init(c); + if (res) + return res; + core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); if (!core) return -ENOMEM; + sd = &core->sd; - v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); - /* - * 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) + if (IS_ENABLED(CONFIG_OF) && np) { + res = tvp5150_parse_dt(core, np); + if (res) { + v4l2_err(sd, "DT parsing error: %d\n", res); return res; - tvp5150_id[i] = res; + } + } else { + /* Default to BT.656 embedded sync */ + core->mbus_type = V4L2_MBUS_BT656; } - v4l_info(c, "chip found @ 0x%02x (%s)\n", - c->addr << 1, c->adapter->name); + v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - if (tvp5150_id[2] == 4 && tvp5150_id[3] == 0) { /* Is TVP5150AM1 */ - v4l2_info(sd, "tvp%02x%02xam1 detected.\n", - tvp5150_id[0], tvp5150_id[1]); +#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; - /* ITU-T BT.656.4 timing */ - tvp5150_write(sd, TVP5150_REV_SELECT, 0); - } else { - /* Is TVP5150A */ - if (tvp5150_id[2] == 3 || tvp5150_id[3] == 0x21) { - v4l2_info(sd, "tvp%02x%02xa detected.\n", - tvp5150_id[0], tvp5150_id[1]); - } else { - v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n", - tvp5150_id[0], tvp5150_id[1]); - v4l2_info(sd, "*** Rom ver is %d.%d\n", - tvp5150_id[2], tvp5150_id[3]); - } - } + sd->entity.function = MEDIA_ENT_F_ATV_DECODER; + + res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); + if (res < 0) + return res; + + sd->entity.ops = &tvp5150_sd_media_ops; +#endif + + res = tvp5150_detect_version(core); + if (res < 0) + return res; core->norm = V4L2_STD_ALL; /* Default is autodetect */ core->input = TVP5150_COMPOSITE1; - core->enable = 1; + core->enable = true; - v4l2_ctrl_handler_init(&core->hdl, 4); + 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, @@ -1170,6 +1506,13 @@ static int tvp5150_probe(struct i2c_client *c, 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), + 0, 0, tvp5150_test_patterns); sd->ctrl_handler = &core->hdl; if (core->hdl.error) { res = core->hdl.error; @@ -1221,8 +1564,17 @@ static const struct i2c_device_id tvp5150_id[] = { }; MODULE_DEVICE_TABLE(i2c, tvp5150_id); +#if IS_ENABLED(CONFIG_OF) +static const struct of_device_id tvp5150_of_match[] = { + { .compatible = "ti,tvp5150", }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, tvp5150_of_match); +#endif + static struct i2c_driver tvp5150_driver = { .driver = { + .of_match_table = of_match_ptr(tvp5150_of_match), .name = "tvp5150", }, .probe = tvp5150_probe, |