csi2rx 95 drivers/media/platform/cadence/cdns-csi2rx.c static void csi2rx_reset(struct csi2rx_priv *csi2rx) csi2rx 98 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->base + CSI2RX_SOFT_RESET_REG); csi2rx 102 drivers/media/platform/cadence/cdns-csi2rx.c writel(0, csi2rx->base + CSI2RX_SOFT_RESET_REG); csi2rx 105 drivers/media/platform/cadence/cdns-csi2rx.c static int csi2rx_start(struct csi2rx_priv *csi2rx) csi2rx 112 drivers/media/platform/cadence/cdns-csi2rx.c ret = clk_prepare_enable(csi2rx->p_clk); csi2rx 116 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx_reset(csi2rx); csi2rx 118 drivers/media/platform/cadence/cdns-csi2rx.c reg = csi2rx->num_lanes << 8; csi2rx 119 drivers/media/platform/cadence/cdns-csi2rx.c for (i = 0; i < csi2rx->num_lanes; i++) { csi2rx 120 drivers/media/platform/cadence/cdns-csi2rx.c reg |= CSI2RX_STATIC_CFG_DLANE_MAP(i, csi2rx->lanes[i]); csi2rx 121 drivers/media/platform/cadence/cdns-csi2rx.c set_bit(csi2rx->lanes[i], &lanes_used); csi2rx 130 drivers/media/platform/cadence/cdns-csi2rx.c for (i = csi2rx->num_lanes; i < csi2rx->max_lanes; i++) { csi2rx 132 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->max_lanes); csi2rx 137 drivers/media/platform/cadence/cdns-csi2rx.c writel(reg, csi2rx->base + CSI2RX_STATIC_CFG_REG); csi2rx 139 drivers/media/platform/cadence/cdns-csi2rx.c ret = v4l2_subdev_call(csi2rx->source_subdev, video, s_stream, true); csi2rx 153 drivers/media/platform/cadence/cdns-csi2rx.c for (i = 0; i < csi2rx->max_streams; i++) { csi2rx 154 drivers/media/platform/cadence/cdns-csi2rx.c ret = clk_prepare_enable(csi2rx->pixel_clk[i]); csi2rx 159 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->base + CSI2RX_STREAM_CFG_REG(i)); csi2rx 163 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->base + CSI2RX_STREAM_DATA_CFG_REG(i)); csi2rx 166 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->base + CSI2RX_STREAM_CTRL_REG(i)); csi2rx 169 drivers/media/platform/cadence/cdns-csi2rx.c ret = clk_prepare_enable(csi2rx->sys_clk); csi2rx 173 drivers/media/platform/cadence/cdns-csi2rx.c clk_disable_unprepare(csi2rx->p_clk); csi2rx 179 drivers/media/platform/cadence/cdns-csi2rx.c clk_disable_unprepare(csi2rx->pixel_clk[i - 1]); csi2rx 182 drivers/media/platform/cadence/cdns-csi2rx.c clk_disable_unprepare(csi2rx->p_clk); csi2rx 187 drivers/media/platform/cadence/cdns-csi2rx.c static void csi2rx_stop(struct csi2rx_priv *csi2rx) csi2rx 191 drivers/media/platform/cadence/cdns-csi2rx.c clk_prepare_enable(csi2rx->p_clk); csi2rx 192 drivers/media/platform/cadence/cdns-csi2rx.c clk_disable_unprepare(csi2rx->sys_clk); csi2rx 194 drivers/media/platform/cadence/cdns-csi2rx.c for (i = 0; i < csi2rx->max_streams; i++) { csi2rx 195 drivers/media/platform/cadence/cdns-csi2rx.c writel(0, csi2rx->base + CSI2RX_STREAM_CTRL_REG(i)); csi2rx 197 drivers/media/platform/cadence/cdns-csi2rx.c clk_disable_unprepare(csi2rx->pixel_clk[i]); csi2rx 200 drivers/media/platform/cadence/cdns-csi2rx.c clk_disable_unprepare(csi2rx->p_clk); csi2rx 202 drivers/media/platform/cadence/cdns-csi2rx.c if (v4l2_subdev_call(csi2rx->source_subdev, video, s_stream, false)) csi2rx 203 drivers/media/platform/cadence/cdns-csi2rx.c dev_warn(csi2rx->dev, "Couldn't disable our subdev\n"); csi2rx 208 drivers/media/platform/cadence/cdns-csi2rx.c struct csi2rx_priv *csi2rx = v4l2_subdev_to_csi2rx(subdev); csi2rx 211 drivers/media/platform/cadence/cdns-csi2rx.c mutex_lock(&csi2rx->lock); csi2rx 218 drivers/media/platform/cadence/cdns-csi2rx.c if (!csi2rx->count) { csi2rx 219 drivers/media/platform/cadence/cdns-csi2rx.c ret = csi2rx_start(csi2rx); csi2rx 224 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->count++; csi2rx 226 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->count--; csi2rx 231 drivers/media/platform/cadence/cdns-csi2rx.c if (!csi2rx->count) csi2rx 232 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx_stop(csi2rx); csi2rx 236 drivers/media/platform/cadence/cdns-csi2rx.c mutex_unlock(&csi2rx->lock); csi2rx 253 drivers/media/platform/cadence/cdns-csi2rx.c struct csi2rx_priv *csi2rx = v4l2_subdev_to_csi2rx(subdev); csi2rx 255 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->source_pad = media_entity_get_fwnode_pad(&s_subdev->entity, csi2rx 258 drivers/media/platform/cadence/cdns-csi2rx.c if (csi2rx->source_pad < 0) { csi2rx 259 drivers/media/platform/cadence/cdns-csi2rx.c dev_err(csi2rx->dev, "Couldn't find output pad for subdev %s\n", csi2rx 261 drivers/media/platform/cadence/cdns-csi2rx.c return csi2rx->source_pad; csi2rx 264 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->source_subdev = s_subdev; csi2rx 266 drivers/media/platform/cadence/cdns-csi2rx.c dev_dbg(csi2rx->dev, "Bound %s pad: %d\n", s_subdev->name, csi2rx 267 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->source_pad); csi2rx 269 drivers/media/platform/cadence/cdns-csi2rx.c return media_create_pad_link(&csi2rx->source_subdev->entity, csi2rx 270 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->source_pad, csi2rx 271 drivers/media/platform/cadence/cdns-csi2rx.c &csi2rx->subdev.entity, 0, csi2rx 280 drivers/media/platform/cadence/cdns-csi2rx.c static int csi2rx_get_resources(struct csi2rx_priv *csi2rx, csi2rx 288 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->base = devm_ioremap_resource(&pdev->dev, res); csi2rx 289 drivers/media/platform/cadence/cdns-csi2rx.c if (IS_ERR(csi2rx->base)) csi2rx 290 drivers/media/platform/cadence/cdns-csi2rx.c return PTR_ERR(csi2rx->base); csi2rx 292 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->sys_clk = devm_clk_get(&pdev->dev, "sys_clk"); csi2rx 293 drivers/media/platform/cadence/cdns-csi2rx.c if (IS_ERR(csi2rx->sys_clk)) { csi2rx 295 drivers/media/platform/cadence/cdns-csi2rx.c return PTR_ERR(csi2rx->sys_clk); csi2rx 298 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->p_clk = devm_clk_get(&pdev->dev, "p_clk"); csi2rx 299 drivers/media/platform/cadence/cdns-csi2rx.c if (IS_ERR(csi2rx->p_clk)) { csi2rx 301 drivers/media/platform/cadence/cdns-csi2rx.c return PTR_ERR(csi2rx->p_clk); csi2rx 304 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->dphy = devm_phy_optional_get(&pdev->dev, "dphy"); csi2rx 305 drivers/media/platform/cadence/cdns-csi2rx.c if (IS_ERR(csi2rx->dphy)) { csi2rx 307 drivers/media/platform/cadence/cdns-csi2rx.c return PTR_ERR(csi2rx->dphy); csi2rx 314 drivers/media/platform/cadence/cdns-csi2rx.c if (csi2rx->dphy) { csi2rx 319 drivers/media/platform/cadence/cdns-csi2rx.c clk_prepare_enable(csi2rx->p_clk); csi2rx 320 drivers/media/platform/cadence/cdns-csi2rx.c dev_cfg = readl(csi2rx->base + CSI2RX_DEVICE_CFG_REG); csi2rx 321 drivers/media/platform/cadence/cdns-csi2rx.c clk_disable_unprepare(csi2rx->p_clk); csi2rx 323 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->max_lanes = dev_cfg & 7; csi2rx 324 drivers/media/platform/cadence/cdns-csi2rx.c if (csi2rx->max_lanes > CSI2RX_LANES_MAX) { csi2rx 326 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->max_lanes); csi2rx 330 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->max_streams = (dev_cfg >> 4) & 7; csi2rx 331 drivers/media/platform/cadence/cdns-csi2rx.c if (csi2rx->max_streams > CSI2RX_STREAMS_MAX) { csi2rx 333 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->max_streams); csi2rx 337 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->has_internal_dphy = dev_cfg & BIT(3) ? true : false; csi2rx 343 drivers/media/platform/cadence/cdns-csi2rx.c if (csi2rx->has_internal_dphy) { csi2rx 348 drivers/media/platform/cadence/cdns-csi2rx.c for (i = 0; i < csi2rx->max_streams; i++) { csi2rx 352 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->pixel_clk[i] = devm_clk_get(&pdev->dev, clk_name); csi2rx 353 drivers/media/platform/cadence/cdns-csi2rx.c if (IS_ERR(csi2rx->pixel_clk[i])) { csi2rx 355 drivers/media/platform/cadence/cdns-csi2rx.c return PTR_ERR(csi2rx->pixel_clk[i]); csi2rx 362 drivers/media/platform/cadence/cdns-csi2rx.c static int csi2rx_parse_dt(struct csi2rx_priv *csi2rx) csi2rx 369 drivers/media/platform/cadence/cdns-csi2rx.c ep = of_graph_get_endpoint_by_regs(csi2rx->dev->of_node, 0, 0); csi2rx 376 drivers/media/platform/cadence/cdns-csi2rx.c dev_err(csi2rx->dev, "Could not parse v4l2 endpoint\n"); csi2rx 382 drivers/media/platform/cadence/cdns-csi2rx.c dev_err(csi2rx->dev, "Unsupported media bus type: 0x%x\n", csi2rx 388 drivers/media/platform/cadence/cdns-csi2rx.c memcpy(csi2rx->lanes, v4l2_ep.bus.mipi_csi2.data_lanes, csi2rx 389 drivers/media/platform/cadence/cdns-csi2rx.c sizeof(csi2rx->lanes)); csi2rx 390 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->num_lanes = v4l2_ep.bus.mipi_csi2.num_data_lanes; csi2rx 391 drivers/media/platform/cadence/cdns-csi2rx.c if (csi2rx->num_lanes > csi2rx->max_lanes) { csi2rx 392 drivers/media/platform/cadence/cdns-csi2rx.c dev_err(csi2rx->dev, "Unsupported number of data-lanes: %d\n", csi2rx 393 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->num_lanes); csi2rx 398 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->asd.match.fwnode = fwnode_graph_get_remote_port_parent(fwh); csi2rx 399 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->asd.match_type = V4L2_ASYNC_MATCH_FWNODE; csi2rx 402 drivers/media/platform/cadence/cdns-csi2rx.c v4l2_async_notifier_init(&csi2rx->notifier); csi2rx 404 drivers/media/platform/cadence/cdns-csi2rx.c ret = v4l2_async_notifier_add_subdev(&csi2rx->notifier, &csi2rx->asd); csi2rx 406 drivers/media/platform/cadence/cdns-csi2rx.c fwnode_handle_put(csi2rx->asd.match.fwnode); csi2rx 410 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->notifier.ops = &csi2rx_notifier_ops; csi2rx 412 drivers/media/platform/cadence/cdns-csi2rx.c ret = v4l2_async_subdev_notifier_register(&csi2rx->subdev, csi2rx 413 drivers/media/platform/cadence/cdns-csi2rx.c &csi2rx->notifier); csi2rx 415 drivers/media/platform/cadence/cdns-csi2rx.c v4l2_async_notifier_cleanup(&csi2rx->notifier); csi2rx 422 drivers/media/platform/cadence/cdns-csi2rx.c struct csi2rx_priv *csi2rx; csi2rx 426 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx = kzalloc(sizeof(*csi2rx), GFP_KERNEL); csi2rx 427 drivers/media/platform/cadence/cdns-csi2rx.c if (!csi2rx) csi2rx 429 drivers/media/platform/cadence/cdns-csi2rx.c platform_set_drvdata(pdev, csi2rx); csi2rx 430 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->dev = &pdev->dev; csi2rx 431 drivers/media/platform/cadence/cdns-csi2rx.c mutex_init(&csi2rx->lock); csi2rx 433 drivers/media/platform/cadence/cdns-csi2rx.c ret = csi2rx_get_resources(csi2rx, pdev); csi2rx 437 drivers/media/platform/cadence/cdns-csi2rx.c ret = csi2rx_parse_dt(csi2rx); csi2rx 441 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->subdev.owner = THIS_MODULE; csi2rx 442 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->subdev.dev = &pdev->dev; csi2rx 443 drivers/media/platform/cadence/cdns-csi2rx.c v4l2_subdev_init(&csi2rx->subdev, &csi2rx_subdev_ops); csi2rx 444 drivers/media/platform/cadence/cdns-csi2rx.c v4l2_set_subdevdata(&csi2rx->subdev, &pdev->dev); csi2rx 445 drivers/media/platform/cadence/cdns-csi2rx.c snprintf(csi2rx->subdev.name, V4L2_SUBDEV_NAME_SIZE, "%s.%s", csi2rx 449 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->subdev.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; csi2rx 450 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->pads[CSI2RX_PAD_SINK].flags = MEDIA_PAD_FL_SINK; csi2rx 452 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->pads[i].flags = MEDIA_PAD_FL_SOURCE; csi2rx 454 drivers/media/platform/cadence/cdns-csi2rx.c ret = media_entity_pads_init(&csi2rx->subdev.entity, CSI2RX_PAD_MAX, csi2rx 455 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->pads); csi2rx 459 drivers/media/platform/cadence/cdns-csi2rx.c ret = v4l2_async_register_subdev(&csi2rx->subdev); csi2rx 465 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->num_lanes, csi2rx->max_lanes, csi2rx->max_streams, csi2rx 466 drivers/media/platform/cadence/cdns-csi2rx.c csi2rx->has_internal_dphy ? "internal" : "no"); csi2rx 471 drivers/media/platform/cadence/cdns-csi2rx.c v4l2_async_notifier_cleanup(&csi2rx->notifier); csi2rx 473 drivers/media/platform/cadence/cdns-csi2rx.c kfree(csi2rx); csi2rx 479 drivers/media/platform/cadence/cdns-csi2rx.c struct csi2rx_priv *csi2rx = platform_get_drvdata(pdev); csi2rx 481 drivers/media/platform/cadence/cdns-csi2rx.c v4l2_async_unregister_subdev(&csi2rx->subdev); csi2rx 482 drivers/media/platform/cadence/cdns-csi2rx.c kfree(csi2rx);