From 85c675d0d09a45a135bddd15d7b385f8758c32fb Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:35:05 +0200 Subject: Adding upstream version 6.7.7. Signed-off-by: Daniel Baumann --- drivers/media/i2c/ov2740.c | 181 +++++++++++++-------------------------------- 1 file changed, 51 insertions(+), 130 deletions(-) (limited to 'drivers/media/i2c/ov2740.c') diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c index 41d4f85470..6be22586c3 100644 --- a/drivers/media/i2c/ov2740.c +++ b/drivers/media/i2c/ov2740.c @@ -310,7 +310,7 @@ static const struct ov2740_mode supported_modes[] = { { .width = 1932, .height = 1092, - .hts = 1080, + .hts = 2160, .vts_def = OV2740_VTS_DEF, .vts_min = OV2740_VTS_MIN, .reg_list = { @@ -336,12 +336,6 @@ struct ov2740 { /* Current mode */ const struct ov2740_mode *cur_mode; - /* To serialize asynchronus callbacks */ - struct mutex mutex; - - /* Streaming on/off */ - bool streaming; - /* NVM data inforamtion */ struct nvm_data *nvm; @@ -363,15 +357,6 @@ static u64 to_pixel_rate(u32 f_index) return pixel_rate; } -static u64 to_pixels_per_line(u32 hts, u32 f_index) -{ - u64 ppl = hts * to_pixel_rate(f_index); - - do_div(ppl, OV2740_SCLK); - - return ppl; -} - static int ov2740_read_reg(struct ov2740 *ov2740, u16 reg, u16 len, u32 *val) { struct i2c_client *client = v4l2_get_subdevdata(&ov2740->sd); @@ -582,7 +567,6 @@ static int ov2740_init_controls(struct ov2740 *ov2740) if (ret) return ret; - ctrl_hdlr->lock = &ov2740->mutex; cur_mode = ov2740->cur_mode; size = ARRAY_SIZE(link_freq_menu_items); @@ -605,8 +589,7 @@ static int ov2740_init_controls(struct ov2740 *ov2740) V4L2_CID_VBLANK, vblank_min, vblank_max, 1, vblank_default); - h_blank = to_pixels_per_line(cur_mode->hts, cur_mode->link_freq_index); - h_blank -= cur_mode->width; + h_blank = cur_mode->hts - cur_mode->width; ov2740->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov2740_ctrl_ops, V4L2_CID_HBLANK, h_blank, h_blank, 1, h_blank); @@ -792,18 +775,15 @@ static int ov2740_set_stream(struct v4l2_subdev *sd, int enable) { struct ov2740 *ov2740 = to_ov2740(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); + struct v4l2_subdev_state *sd_state; int ret = 0; - if (ov2740->streaming == enable) - return 0; + sd_state = v4l2_subdev_lock_and_get_active_state(&ov2740->sd); - mutex_lock(&ov2740->mutex); if (enable) { ret = pm_runtime_resume_and_get(&client->dev); - if (ret < 0) { - mutex_unlock(&ov2740->mutex); - return ret; - } + if (ret < 0) + goto out_unlock; ret = ov2740_start_streaming(ov2740); if (ret) { @@ -816,47 +796,12 @@ static int ov2740_set_stream(struct v4l2_subdev *sd, int enable) pm_runtime_put(&client->dev); } - ov2740->streaming = enable; - mutex_unlock(&ov2740->mutex); +out_unlock: + v4l2_subdev_unlock_state(sd_state); return ret; } -static int ov2740_suspend(struct device *dev) -{ - struct v4l2_subdev *sd = dev_get_drvdata(dev); - struct ov2740 *ov2740 = to_ov2740(sd); - - mutex_lock(&ov2740->mutex); - if (ov2740->streaming) - ov2740_stop_streaming(ov2740); - - mutex_unlock(&ov2740->mutex); - - return 0; -} - -static int ov2740_resume(struct device *dev) -{ - struct v4l2_subdev *sd = dev_get_drvdata(dev); - struct ov2740 *ov2740 = to_ov2740(sd); - int ret = 0; - - mutex_lock(&ov2740->mutex); - if (!ov2740->streaming) - goto exit; - - ret = ov2740_start_streaming(ov2740); - if (ret) { - ov2740->streaming = false; - ov2740_stop_streaming(ov2740); - } - -exit: - mutex_unlock(&ov2740->mutex); - return ret; -} - static int ov2740_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) @@ -870,48 +815,25 @@ static int ov2740_set_format(struct v4l2_subdev *sd, height, fmt->format.width, fmt->format.height); - mutex_lock(&ov2740->mutex); ov2740_update_pad_format(mode, &fmt->format); - if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { - *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format; - } else { - ov2740->cur_mode = mode; - __v4l2_ctrl_s_ctrl(ov2740->link_freq, mode->link_freq_index); - __v4l2_ctrl_s_ctrl_int64(ov2740->pixel_rate, - to_pixel_rate(mode->link_freq_index)); - - /* Update limits and set FPS to default */ - vblank_def = mode->vts_def - mode->height; - __v4l2_ctrl_modify_range(ov2740->vblank, - mode->vts_min - mode->height, - OV2740_VTS_MAX - mode->height, 1, - vblank_def); - __v4l2_ctrl_s_ctrl(ov2740->vblank, vblank_def); - h_blank = to_pixels_per_line(mode->hts, mode->link_freq_index) - - mode->width; - __v4l2_ctrl_modify_range(ov2740->hblank, h_blank, h_blank, 1, - h_blank); - } - mutex_unlock(&ov2740->mutex); + *v4l2_subdev_get_pad_format(sd, sd_state, fmt->pad) = fmt->format; - return 0; -} - -static int ov2740_get_format(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *fmt) -{ - struct ov2740 *ov2740 = to_ov2740(sd); - - mutex_lock(&ov2740->mutex); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) - fmt->format = *v4l2_subdev_get_try_format(&ov2740->sd, - sd_state, - fmt->pad); - else - ov2740_update_pad_format(ov2740->cur_mode, &fmt->format); + return 0; - mutex_unlock(&ov2740->mutex); + ov2740->cur_mode = mode; + __v4l2_ctrl_s_ctrl(ov2740->link_freq, mode->link_freq_index); + __v4l2_ctrl_s_ctrl_int64(ov2740->pixel_rate, + to_pixel_rate(mode->link_freq_index)); + + /* Update limits and set FPS to default */ + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(ov2740->vblank, + mode->vts_min - mode->height, + OV2740_VTS_MAX - mode->height, 1, vblank_def); + __v4l2_ctrl_s_ctrl(ov2740->vblank, vblank_def); + h_blank = mode->hts - mode->width; + __v4l2_ctrl_modify_range(ov2740->hblank, h_blank, h_blank, 1, h_blank); return 0; } @@ -946,14 +868,11 @@ static int ov2740_enum_frame_size(struct v4l2_subdev *sd, return 0; } -static int ov2740_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +static int ov2740_init_cfg(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state) { - struct ov2740 *ov2740 = to_ov2740(sd); - - mutex_lock(&ov2740->mutex); ov2740_update_pad_format(&supported_modes[0], - v4l2_subdev_get_try_format(sd, fh->state, 0)); - mutex_unlock(&ov2740->mutex); + v4l2_subdev_get_pad_format(sd, sd_state, 0)); return 0; } @@ -963,10 +882,11 @@ static const struct v4l2_subdev_video_ops ov2740_video_ops = { }; static const struct v4l2_subdev_pad_ops ov2740_pad_ops = { + .get_fmt = v4l2_subdev_get_fmt, .set_fmt = ov2740_set_format, - .get_fmt = ov2740_get_format, .enum_mbus_code = ov2740_enum_mbus_code, .enum_frame_size = ov2740_enum_frame_size, + .init_cfg = ov2740_init_cfg, }; static const struct v4l2_subdev_ops ov2740_subdev_ops = { @@ -978,10 +898,6 @@ static const struct media_entity_operations ov2740_subdev_entity_ops = { .link_validate = v4l2_subdev_link_validate, }; -static const struct v4l2_subdev_internal_ops ov2740_internal_ops = { - .open = ov2740_open, -}; - static int ov2740_check_hwcfg(struct device *dev) { struct fwnode_handle *ep; @@ -1004,7 +920,7 @@ static int ov2740_check_hwcfg(struct device *dev) ep = fwnode_graph_get_next_endpoint(fwnode, NULL); if (!ep) - return -ENXIO; + return -EPROBE_DEFER; ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); fwnode_handle_put(ep); @@ -1047,13 +963,12 @@ check_hwcfg_error: static void ov2740_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct ov2740 *ov2740 = to_ov2740(sd); v4l2_async_unregister_subdev(sd); media_entity_cleanup(&sd->entity); + v4l2_subdev_cleanup(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); - mutex_destroy(&ov2740->mutex); } static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, @@ -1062,9 +977,11 @@ static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, struct nvm_data *nvm = priv; struct device *dev = regmap_get_device(nvm->regmap); struct ov2740 *ov2740 = to_ov2740(dev_get_drvdata(dev)); + struct v4l2_subdev_state *sd_state; int ret = 0; - mutex_lock(&ov2740->mutex); + /* Serialise sensor access */ + sd_state = v4l2_subdev_lock_and_get_active_state(&ov2740->sd); if (nvm->nvm_buffer) { memcpy(val, nvm->nvm_buffer + off, count); @@ -1082,7 +999,7 @@ static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, pm_runtime_put(dev); exit: - mutex_unlock(&ov2740->mutex); + v4l2_subdev_unlock_state(sd_state); return ret; } @@ -1153,7 +1070,6 @@ static int ov2740_probe(struct i2c_client *client) return dev_err_probe(dev, ret, "failed to find sensor\n"); } - mutex_init(&ov2740->mutex); ov2740->cur_mode = &supported_modes[0]; ret = ov2740_init_controls(ov2740); if (ret) { @@ -1161,7 +1077,7 @@ static int ov2740_probe(struct i2c_client *client) goto probe_error_v4l2_ctrl_handler_free; } - ov2740->sd.internal_ops = &ov2740_internal_ops; + ov2740->sd.state_lock = ov2740->ctrl_handler.lock; ov2740->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; ov2740->sd.entity.ops = &ov2740_subdev_entity_ops; ov2740->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; @@ -1172,36 +1088,42 @@ static int ov2740_probe(struct i2c_client *client) goto probe_error_v4l2_ctrl_handler_free; } + ret = v4l2_subdev_init_finalize(&ov2740->sd); + if (ret) + goto probe_error_media_entity_cleanup; + + /* Set the device's state to active if it's in D0 state. */ + if (full_power) + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + pm_runtime_idle(&client->dev); + ret = v4l2_async_register_subdev_sensor(&ov2740->sd); if (ret < 0) { dev_err_probe(dev, ret, "failed to register V4L2 subdev\n"); - goto probe_error_media_entity_cleanup; + goto probe_error_v4l2_subdev_cleanup; } ret = ov2740_register_nvmem(client, ov2740); if (ret) dev_warn(&client->dev, "register nvmem failed, ret %d\n", ret); - /* Set the device's state to active if it's in D0 state. */ - if (full_power) - pm_runtime_set_active(&client->dev); - pm_runtime_enable(&client->dev); - pm_runtime_idle(&client->dev); - return 0; +probe_error_v4l2_subdev_cleanup: + v4l2_subdev_cleanup(&ov2740->sd); + probe_error_media_entity_cleanup: media_entity_cleanup(&ov2740->sd.entity); + pm_runtime_disable(&client->dev); + pm_runtime_set_suspended(&client->dev); probe_error_v4l2_ctrl_handler_free: v4l2_ctrl_handler_free(ov2740->sd.ctrl_handler); - mutex_destroy(&ov2740->mutex); return ret; } -static DEFINE_SIMPLE_DEV_PM_OPS(ov2740_pm_ops, ov2740_suspend, ov2740_resume); - static const struct acpi_device_id ov2740_acpi_ids[] = { {"INT3474"}, {} @@ -1212,7 +1134,6 @@ MODULE_DEVICE_TABLE(acpi, ov2740_acpi_ids); static struct i2c_driver ov2740_i2c_driver = { .driver = { .name = "ov2740", - .pm = pm_sleep_ptr(&ov2740_pm_ops), .acpi_match_table = ov2740_acpi_ids, }, .probe = ov2740_probe, -- cgit v1.2.3