diff options
Diffstat (limited to 'drivers/video')
20 files changed, 923 insertions, 42 deletions
diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c index 27f33ef8fca1..5ee3b5505f7f 100644 --- a/drivers/video/omap2/displays-new/connector-analog-tv.c +++ b/drivers/video/omap2/displays-new/connector-analog-tv.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -42,6 +43,12 @@ static const struct omap_video_timings tvc_pal_timings = { .interlace = true, }; +static const struct of_device_id tvc_of_match[]; + +struct tvc_of_data { + enum omap_dss_venc_type connector_type; +}; + #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) static int tvc_connect(struct omap_dss_device *dssdev) @@ -91,8 +98,12 @@ static int tvc_enable(struct omap_dss_device *dssdev) in->ops.atv->set_timings(in, &ddata->timings); - in->ops.atv->set_type(in, ddata->connector_type); - in->ops.atv->invert_vid_out_polarity(in, ddata->invert_polarity); + if (!ddata->dev->of_node) { + in->ops.atv->set_type(in, ddata->connector_type); + + in->ops.atv->invert_vid_out_polarity(in, + ddata->invert_polarity); + } r = in->ops.atv->enable(in); if (r) @@ -205,6 +216,23 @@ static int tvc_probe_pdata(struct platform_device *pdev) return 0; } +static int tvc_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int tvc_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -222,6 +250,10 @@ static int tvc_probe(struct platform_device *pdev) r = tvc_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tvc_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -263,12 +295,19 @@ static int __exit tvc_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tvc_of_match[] = { + { .compatible = "omapdss,svideo-connector", }, + { .compatible = "omapdss,composite-video-connector", }, + {}, +}; + static struct platform_driver tvc_connector_driver = { .probe = tvc_probe, .remove = __exit_p(tvc_remove), .driver = { .name = "connector-analog-tv", .owner = THIS_MODULE, + .of_match_table = tvc_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/connector-dvi.c b/drivers/video/omap2/displays-new/connector-dvi.c index d18e4b8c0731..74de2bc50c4f 100644 --- a/drivers/video/omap2/displays-new/connector-dvi.c +++ b/drivers/video/omap2/displays-new/connector-dvi.c @@ -277,6 +277,37 @@ static int dvic_probe_pdata(struct platform_device *pdev) return 0; } +static int dvic_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + struct device_node *adapter_node; + struct i2c_adapter *adapter; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0); + if (adapter_node) { + adapter = of_find_i2c_adapter_by_node(adapter_node); + if (adapter == NULL) { + dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n"); + omap_dss_put_device(ddata->in); + return -EPROBE_DEFER; + } + + ddata->i2c_adapter = adapter; + } + + return 0; +} + static int dvic_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -293,6 +324,10 @@ static int dvic_probe(struct platform_device *pdev) r = dvic_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = dvic_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -342,12 +377,20 @@ static int __exit dvic_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id dvic_of_match[] = { + { .compatible = "omapdss,dvi-connector", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, dvic_of_match); + static struct platform_driver dvi_connector_driver = { .probe = dvic_probe, .remove = __exit_p(dvic_remove), .driver = { .name = "connector-dvi", .owner = THIS_MODULE, + .of_match_table = dvic_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/connector-hdmi.c b/drivers/video/omap2/displays-new/connector-hdmi.c index 9393e2d6473d..29ed21b9dce5 100644 --- a/drivers/video/omap2/displays-new/connector-hdmi.c +++ b/drivers/video/omap2/displays-new/connector-hdmi.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <drm/drm_edid.h> @@ -301,6 +302,23 @@ static int hdmic_probe_pdata(struct platform_device *pdev) return 0; } +static int hdmic_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int hdmic_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -318,6 +336,10 @@ static int hdmic_probe(struct platform_device *pdev) r = hdmic_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = hdmic_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -359,12 +381,20 @@ static int __exit hdmic_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id hdmic_of_match[] = { + { .compatible = "omapdss,hdmi-connector", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, hdmic_of_match); + static struct platform_driver hdmi_connector_driver = { .probe = hdmic_probe, .remove = __exit_p(hdmic_remove), .driver = { .name = "connector-hdmi", .owner = THIS_MODULE, + .of_match_table = hdmic_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/encoder-tfp410.c b/drivers/video/omap2/displays-new/encoder-tfp410.c index 4a291e756be9..b4e9a42a79e6 100644 --- a/drivers/video/omap2/displays-new/encoder-tfp410.c +++ b/drivers/video/omap2/displays-new/encoder-tfp410.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -82,7 +83,8 @@ static int tfp410_enable(struct omap_dss_device *dssdev) return 0; in->ops.dpi->set_timings(in, &ddata->timings); - in->ops.dpi->set_data_lines(in, ddata->data_lines); + if (ddata->data_lines) + in->ops.dpi->set_data_lines(in, ddata->data_lines); r = in->ops.dpi->enable(in); if (r) @@ -179,6 +181,33 @@ static int tfp410_probe_pdata(struct platform_device *pdev) return 0; } +static int tfp410_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + int gpio; + + gpio = of_get_named_gpio(node, "powerdown-gpios", 0); + + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->pd_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse PD gpio\n"); + return gpio; + } + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int tfp410_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -195,6 +224,10 @@ static int tfp410_probe(struct platform_device *pdev) r = tfp410_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tfp410_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -251,12 +284,20 @@ static int __exit tfp410_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tfp410_of_match[] = { + { .compatible = "omapdss,ti,tfp410", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, tfp410_of_match); + static struct platform_driver tfp410_driver = { .probe = tfp410_probe, .remove = __exit_p(tfp410_remove), .driver = { .name = "tfp410", .owner = THIS_MODULE, + .of_match_table = tfp410_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/encoder-tpd12s015.c b/drivers/video/omap2/displays-new/encoder-tpd12s015.c index d5c936cb217f..7e33686171e3 100644 --- a/drivers/video/omap2/displays-new/encoder-tpd12s015.c +++ b/drivers/video/omap2/displays-new/encoder-tpd12s015.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/gpio.h> #include <linux/platform_device.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -289,6 +290,49 @@ static int tpd_probe_pdata(struct platform_device *pdev) return 0; } +static int tpd_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + int gpio; + + /* CT CP HPD GPIO */ + gpio = of_get_gpio(node, 0); + if (!gpio_is_valid(gpio)) { + dev_err(&pdev->dev, "failed to parse CT CP HPD gpio\n"); + return gpio; + } + ddata->ct_cp_hpd_gpio = gpio; + + /* LS OE GPIO */ + gpio = of_get_gpio(node, 1); + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->ls_oe_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse LS OE gpio\n"); + return gpio; + } + + /* HPD GPIO */ + gpio = of_get_gpio(node, 2); + if (!gpio_is_valid(gpio)) { + dev_err(&pdev->dev, "failed to parse HPD gpio\n"); + return gpio; + } + ddata->hpd_gpio = gpio; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int tpd_probe(struct platform_device *pdev) { struct omap_dss_device *in, *dssdev; @@ -307,6 +351,10 @@ static int tpd_probe(struct platform_device *pdev) r = tpd_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tpd_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -379,12 +427,20 @@ static int __exit tpd_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tpd_of_match[] = { + { .compatible = "omapdss,ti,tpd12s015", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, tpd_of_match); + static struct platform_driver tpd_driver = { .probe = tpd_probe, .remove = __exit_p(tpd_remove), .driver = { .name = "tpd12s015", .owner = THIS_MODULE, + .of_match_table = tpd_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/panel-dsi-cm.c b/drivers/video/omap2/displays-new/panel-dsi-cm.c index f317c878a259..d6f14e8717e8 100644 --- a/drivers/video/omap2/displays-new/panel-dsi-cm.c +++ b/drivers/video/omap2/displays-new/panel-dsi-cm.c @@ -22,6 +22,8 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/workqueue.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -595,10 +597,13 @@ static int dsicm_power_on(struct panel_drv_data *ddata) .lp_clk_max = 10000000, }; - r = in->ops.dsi->configure_pins(in, &ddata->pin_config); - if (r) { - dev_err(&ddata->pdev->dev, "failed to configure DSI pins\n"); - goto err0; + if (ddata->pin_config.num_pins > 0) { + r = in->ops.dsi->configure_pins(in, &ddata->pin_config); + if (r) { + dev_err(&ddata->pdev->dev, + "failed to configure DSI pins\n"); + goto err0; + } } r = in->ops.dsi->set_config(in, &dsi_config); @@ -1156,6 +1161,41 @@ static int dsicm_probe_pdata(struct platform_device *pdev) return 0; } +static int dsicm_probe_of(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct omap_dss_device *in; + int gpio; + + gpio = of_get_named_gpio(node, "reset-gpios", 0); + if (!gpio_is_valid(gpio)) { + dev_err(&pdev->dev, "failed to parse reset gpio\n"); + return gpio; + } + ddata->reset_gpio = gpio; + + gpio = of_get_named_gpio(node, "te-gpios", 0); + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->ext_te_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse TE gpio\n"); + return gpio; + } + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + /* TODO: ulps, backlight */ + + return 0; +} + static int dsicm_probe(struct platform_device *pdev) { struct backlight_properties props; @@ -1178,6 +1218,10 @@ static int dsicm_probe(struct platform_device *pdev) r = dsicm_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = dsicm_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -1320,12 +1364,20 @@ static int __exit dsicm_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id dsicm_of_match[] = { + { .compatible = "omapdss,panel-dsi-cm", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, dsicm_of_match); + static struct platform_driver dsicm_driver = { .probe = dsicm_probe, .remove = __exit_p(dsicm_remove), .driver = { .name = "panel-dsi-cm", .owner = THIS_MODULE, + .of_match_table = dsicm_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c index 27f60ad6b2ab..c7ba4d8b928a 100644 --- a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c +++ b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c @@ -30,6 +30,8 @@ #include <linux/backlight.h> #include <linux/fb.h> #include <linux/gpio.h> +#include <linux/of.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -547,7 +549,9 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev) dev_dbg(&ddata->spi->dev, "%s\n", __func__); in->ops.sdi->set_timings(in, &ddata->videomode); - in->ops.sdi->set_datapairs(in, ddata->datapairs); + + if (ddata->datapairs > 0) + in->ops.sdi->set_datapairs(in, ddata->datapairs); r = in->ops.sdi->enable(in); if (r) { @@ -726,6 +730,22 @@ static int acx565akm_probe_pdata(struct spi_device *spi) return 0; } +static int acx565akm_probe_of(struct spi_device *spi) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); + struct device_node *np = spi->dev.of_node; + + ddata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0); + + ddata->in = omapdss_of_find_source_for_first_ep(np); + if (IS_ERR(ddata->in)) { + dev_err(&spi->dev, "failed to find video source\n"); + return PTR_ERR(ddata->in); + } + + return 0; +} + static int acx565akm_probe(struct spi_device *spi) { struct panel_drv_data *ddata; @@ -753,7 +773,12 @@ static int acx565akm_probe(struct spi_device *spi) r = acx565akm_probe_pdata(spi); if (r) return r; + } else if (spi->dev.of_node) { + r = acx565akm_probe_of(spi); + if (r) + return r; } else { + dev_err(&spi->dev, "platform data missing!\n"); return -ENODEV; } @@ -864,10 +889,16 @@ static int acx565akm_remove(struct spi_device *spi) return 0; } +static const struct of_device_id acx565akm_of_match[] = { + { .compatible = "omapdss,sony,acx565akm", }, + {}, +}; + static struct spi_driver acx565akm_driver = { .driver = { .name = "acx565akm", .owner = THIS_MODULE, + .of_match_table = acx565akm_of_match, }, .probe = acx565akm_probe, .remove = acx565akm_remove, diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile index d3aa91bdd6a8..8aec8bda27cc 100644 --- a/drivers/video/omap2/dss/Makefile +++ b/drivers/video/omap2/dss/Makefile @@ -1,7 +1,7 @@ obj-$(CONFIG_OMAP2_DSS) += omapdss.o # Core DSS files omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \ - output.o + output.o dss-of.o # DSS compat layer files omapdss-y += manager.o manager-sysfs.o overlay.o overlay-sysfs.o apply.o \ dispc-compat.o display-sysfs.o diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index aaecbf347748..2bbdb7ff7daf 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -3778,12 +3778,20 @@ static const struct dev_pm_ops dispc_pm_ops = { .runtime_resume = dispc_runtime_resume, }; +static const struct of_device_id dispc_of_match[] = { + { .compatible = "ti,omap2-dispc", }, + { .compatible = "ti,omap3-dispc", }, + { .compatible = "ti,omap4-dispc", }, + {}, +}; + static struct platform_driver omap_dispchw_driver = { .remove = __exit_p(omap_dispchw_remove), .driver = { .name = "omapdss_dispc", .owner = THIS_MODULE, .pm = &dispc_pm_ops, + .of_match_table = dispc_of_match, }, }; diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c index 9f19ae22944c..2412a0dd0c13 100644 --- a/drivers/video/omap2/dss/display.c +++ b/drivers/video/omap2/dss/display.c @@ -26,6 +26,7 @@ #include <linux/module.h> #include <linux/jiffies.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <video/omapdss.h> #include "dss.h" @@ -133,9 +134,32 @@ static int disp_num_counter; int omapdss_register_display(struct omap_dss_device *dssdev) { struct omap_dss_driver *drv = dssdev->driver; + int id; - snprintf(dssdev->alias, sizeof(dssdev->alias), - "display%d", disp_num_counter++); + /* + * Note: this presumes all the displays are either using DT or non-DT, + * which normally should be the case. This also presumes that all + * displays either have an DT alias, or none has. + */ + + if (dssdev->dev->of_node) { + id = of_alias_get_id(dssdev->dev->of_node, "display"); + + if (id < 0) + id = disp_num_counter++; + } else { + id = disp_num_counter++; + } + + snprintf(dssdev->alias, sizeof(dssdev->alias), "display%d", id); + + /* Use 'label' property for name, if it exists */ + if (dssdev->dev->of_node) + of_property_read_string(dssdev->dev->of_node, "label", + &dssdev->name); + + if (dssdev->name == NULL) + dssdev->name = dssdev->alias; if (drv && drv->get_resolution == NULL) drv->get_resolution = omapdss_default_get_resolution; diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index 6c0bb099b7bf..157921db447a 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -30,6 +30,7 @@ #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/string.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -49,6 +50,8 @@ static struct { int data_lines; struct omap_dss_device output; + + bool port_initialized; } dpi; static struct platform_device *dpi_get_dsidev(enum omap_channel channel) @@ -725,3 +728,47 @@ void __exit dpi_uninit_platform_driver(void) { platform_driver_unregister(&omap_dpi_driver); } + +int __init dpi_init_port(struct platform_device *pdev, struct device_node *port) +{ + struct device_node *ep; + u32 datalines; + int r; + + ep = omapdss_of_get_next_endpoint(port, NULL); + if (!ep) + return 0; + + r = of_property_read_u32(ep, "data-lines", &datalines); + if (r) { + DSSERR("failed to parse datalines\n"); + goto err_datalines; + } + + dpi.data_lines = datalines; + + of_node_put(ep); + + dpi.pdev = pdev; + + mutex_init(&dpi.lock); + + dpi_init_output(pdev); + + dpi.port_initialized = true; + + return 0; + +err_datalines: + of_node_put(ep); + + return r; +} + +void __exit dpi_uninit_port(void) +{ + if (!dpi.port_initialized) + return; + + dpi_uninit_output(dpi.pdev); +} diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 0d82f731d2f0..121d1049d0bc 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -38,6 +38,8 @@ #include <linux/slab.h> #include <linux/debugfs.h> #include <linux/pm_runtime.h> +#include <linux/of.h> +#include <linux/of_platform.h> #include <video/omapdss.h> #include <video/mipi_display.h> @@ -386,6 +388,13 @@ struct dsi_packet_sent_handler_data { struct completion *completion; }; +struct dsi_module_id_data { + u32 address; + int id; +}; + +static const struct of_device_id dsi_of_match[]; + #ifdef DSI_PERF_MEASURE static bool dsi_perf; module_param(dsi_perf, bool, 0644); @@ -1151,15 +1160,11 @@ static int dsi_regulator_init(struct platform_device *dsidev) if (dsi->vdds_dsi_reg != NULL) return 0; - vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdds_dsi"); - - /* DT HACK: try VCXIO to make omapdss work for o4 sdp/panda */ - if (IS_ERR(vdds_dsi)) - vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "VCXIO"); + vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdd"); if (IS_ERR(vdds_dsi)) { if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) - DSSERR("can't get VDDS_DSI regulator\n"); + DSSERR("can't get DSI VDD regulator\n"); return PTR_ERR(vdds_dsi); } @@ -5370,12 +5375,69 @@ static void dsi_uninit_output(struct platform_device *dsidev) omapdss_unregister_output(out); } +static int dsi_probe_of(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct dsi_data *dsi = dsi_get_dsidrv_data(pdev); + struct property *prop; + u32 lane_arr[10]; + int len, num_pins; + int r, i; + struct device_node *ep; + struct omap_dsi_pin_config pin_cfg; + + ep = omapdss_of_get_first_endpoint(node); + if (!ep) + return 0; + + prop = of_find_property(ep, "lanes", &len); + if (prop == NULL) { + dev_err(&pdev->dev, "failed to find lane data\n"); + r = -EINVAL; + goto err; + } + + num_pins = len / sizeof(u32); + + if (num_pins < 4 || num_pins % 2 != 0 || + num_pins > dsi->num_lanes_supported * 2) { + dev_err(&pdev->dev, "bad number of lanes\n"); + r = -EINVAL; + goto err; + } + + r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins); + if (r) { + dev_err(&pdev->dev, "failed to read lane data\n"); + goto err; + } + + pin_cfg.num_pins = num_pins; + for (i = 0; i < num_pins; ++i) + pin_cfg.pins[i] = (int)lane_arr[i]; + + r = dsi_configure_pins(&dsi->output, &pin_cfg); + if (r) { + dev_err(&pdev->dev, "failed to configure pins"); + goto err; + } + + of_node_put(ep); + + return 0; + +err: + of_node_put(ep); + return r; +} + /* DSI1 HW IP initialisation */ static int omap_dsihw_probe(struct platform_device *dsidev) { u32 rev; int r, i; struct dsi_data *dsi; + struct resource *dsi_mem; struct resource *res; struct resource temp_res; @@ -5383,7 +5445,6 @@ static int omap_dsihw_probe(struct platform_device *dsidev) if (!dsi) return -ENOMEM; - dsi->module_id = dsidev->id; dsi->pdev = dsidev; dev_set_drvdata(&dsidev->dev, dsi); @@ -5421,6 +5482,8 @@ static int omap_dsihw_probe(struct platform_device *dsidev) res = &temp_res; } + dsi_mem = res; + dsi->proto_base = devm_ioremap(&dsidev->dev, res->start, resource_size(res)); if (!dsi->proto_base) { @@ -5481,6 +5544,31 @@ static int omap_dsihw_probe(struct platform_device *dsidev) return r; } + if (dsidev->dev.of_node) { + const struct of_device_id *match; + const struct dsi_module_id_data *d; + + match = of_match_node(dsi_of_match, dsidev->dev.of_node); + if (!match) { + DSSERR("unsupported DSI module\n"); + return -ENODEV; + } + + d = match->data; + + while (d->address != 0 && d->address != dsi_mem->start) + d++; + + if (d->address == 0) { + DSSERR("unsupported DSI module\n"); + return -ENODEV; + } + + dsi->module_id = d->id; + } else { + dsi->module_id = dsidev->id; + } + /* DSI VCs initialization */ for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) { dsi->vc[i].source = DSI_VC_SOURCE_L4; @@ -5516,6 +5604,19 @@ static int omap_dsihw_probe(struct platform_device *dsidev) dsi_init_output(dsidev); + if (dsidev->dev.of_node) { + r = dsi_probe_of(dsidev); + if (r) { + DSSERR("Invalid DSI DT data\n"); + goto err_probe_of; + } + + r = of_platform_populate(dsidev->dev.of_node, NULL, NULL, + &dsidev->dev); + if (r) + DSSERR("Failed to populate DSI child devices: %d\n", r); + } + dsi_runtime_put(dsidev); if (dsi->module_id == 0) @@ -5529,17 +5630,31 @@ static int omap_dsihw_probe(struct platform_device *dsidev) else if (dsi->module_id == 1) dss_debugfs_create_file("dsi2_irqs", dsi2_dump_irqs); #endif + return 0; +err_probe_of: + dsi_uninit_output(dsidev); + dsi_runtime_put(dsidev); + err_runtime_get: pm_runtime_disable(&dsidev->dev); return r; } +static int dsi_unregister_child(struct device *dev, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + platform_device_unregister(pdev); + return 0; +} + static int __exit omap_dsihw_remove(struct platform_device *dsidev) { struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + device_for_each_child(&dsidev->dev, NULL, dsi_unregister_child); + WARN_ON(dsi->scp_clk_refcount > 0); dsi_uninit_output(dsidev); @@ -5577,6 +5692,23 @@ static const struct dev_pm_ops dsi_pm_ops = { .runtime_resume = dsi_runtime_resume, }; +static const struct dsi_module_id_data dsi_of_data_omap3[] = { + { .address = 0x4804fc00, .id = 0, }, + { }, +}; + +static const struct dsi_module_id_data dsi_of_data_omap4[] = { + { .address = 0x58004000, .id = 0, }, + { .address = 0x58005000, .id = 1, }, + { }, +}; + +static const struct of_device_id dsi_of_match[] = { + { .compatible = "ti,omap3-dsi", .data = dsi_of_data_omap3, }, + { .compatible = "ti,omap4-dsi", .data = dsi_of_data_omap4, }, + {}, +}; + static struct platform_driver omap_dsihw_driver = { .probe = omap_dsihw_probe, .remove = __exit_p(omap_dsihw_remove), @@ -5584,6 +5716,7 @@ static struct platform_driver omap_dsihw_driver = { .name = "omapdss_dsi", .owner = THIS_MODULE, .pm = &dsi_pm_ops, + .of_match_table = dsi_of_match, }, }; diff --git a/drivers/video/omap2/dss/dss-of.c b/drivers/video/omap2/dss/dss-of.c new file mode 100644 index 000000000000..a4b20aaf6142 --- /dev/null +++ b/drivers/video/omap2/dss/dss-of.c @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2013 Texas Instruments + * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include <linux/device.h> +#include <linux/err.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/seq_file.h> + +#include <video/omapdss.h> + +struct device_node * +omapdss_of_get_next_port(const struct device_node *parent, + struct device_node *prev) +{ + struct device_node *port = NULL; + + if (!parent) + return NULL; + + if (!prev) { + struct device_node *ports; + /* + * It's the first call, we have to find a port subnode + * within this node or within an optional 'ports' node. + */ + ports = of_get_child_by_name(parent, "ports"); + if (ports) + parent = ports; + + port = of_get_child_by_name(parent, "port"); + + /* release the 'ports' node */ + of_node_put(ports); + } else { + struct device_node *ports; + + ports = of_get_parent(prev); + if (!ports) + return NULL; + + do { + port = of_get_next_child(ports, prev); + if (!port) { + of_node_put(ports); + return NULL; + } + prev = port; + } while (of_node_cmp(port->name, "port") != 0); + } + + return port; +} +EXPORT_SYMBOL_GPL(omapdss_of_get_next_port); + +struct device_node * +omapdss_of_get_next_endpoint(const struct device_node *parent, + struct device_node *prev) +{ + struct device_node *ep = NULL; + + if (!parent) + return NULL; + + do { + ep = of_get_next_child(parent, prev); + if (!ep) + return NULL; + prev = ep; + } while (of_node_cmp(ep->name, "endpoint") != 0); + + return ep; +} +EXPORT_SYMBOL_GPL(omapdss_of_get_next_endpoint); + +static struct device_node * +omapdss_of_get_remote_device_node(const struct device_node *node) +{ + struct device_node *np; + int i; + + np = of_parse_phandle(node, "remote-endpoint", 0); + + if (!np) + return NULL; + + np = of_get_next_parent(np); + + for (i = 0; i < 3 && np; ++i) { + struct property *prop; + + prop = of_find_property(np, "compatible", NULL); + + if (prop) + return np; + + np = of_get_next_parent(np); + } + + return NULL; +} + +struct device_node * +omapdss_of_get_first_endpoint(const struct device_node *parent) +{ + struct device_node *port, *ep; + + port = omapdss_of_get_next_port(parent, NULL); + + if (!port) + return NULL; + + ep = omapdss_of_get_next_endpoint(port, NULL); + + of_node_put(port); + + return ep; +} +EXPORT_SYMBOL_GPL(omapdss_of_get_first_endpoint); + +struct omap_dss_device * +omapdss_of_find_source_for_first_ep(struct device_node *node) +{ + struct device_node *ep; + struct device_node *src_node; + struct omap_dss_device *src; + + ep = omapdss_of_get_first_endpoint(node); + if (!ep) + return ERR_PTR(-EINVAL); + + src_node = omapdss_of_get_remote_device_node(ep); + + of_node_put(ep); + + if (!src_node) + return ERR_PTR(-EINVAL); + + src = omap_dss_find_output_by_node(src_node); + + of_node_put(src_node); + + if (!src) + return ERR_PTR(-EPROBE_DEFER); + + return src; +} +EXPORT_SYMBOL_GPL(omapdss_of_find_source_for_first_ep); diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 96e400c51001..825c019ddee7 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -23,6 +23,7 @@ #define DSS_SUBSYS_NAME "DSS" #include <linux/kernel.h> +#include <linux/module.h> #include <linux/io.h> #include <linux/export.h> #include <linux/err.h> @@ -33,6 +34,7 @@ #include <linux/pm_runtime.h> #include <linux/gfp.h> #include <linux/sizes.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -772,6 +774,56 @@ static int __init dss_init_features(struct platform_device *pdev) return 0; } +static int __init dss_init_ports(struct platform_device *pdev) +{ + struct device_node *parent = pdev->dev.of_node; + struct device_node *port; + int r; + + if (parent == NULL) + return 0; + + port = omapdss_of_get_next_port(parent, NULL); + if (!port) { +#ifdef CONFIG_OMAP2_DSS_DPI + dpi_init_port(pdev, parent); +#endif + return 0; + } + + do { + u32 reg; + + r = of_property_read_u32(port, "reg", ®); + if (r) + reg = 0; + +#ifdef CONFIG_OMAP2_DSS_DPI + if (reg == 0) + dpi_init_port(pdev, port); +#endif + +#ifdef CONFIG_OMAP2_DSS_SDI + if (reg == 1) + sdi_init_port(pdev, port); +#endif + + } while ((port = omapdss_of_get_next_port(parent, port)) != NULL); + + return 0; +} + +static void dss_uninit_ports(void) +{ +#ifdef CONFIG_OMAP2_DSS_DPI + dpi_uninit_port(); +#endif + +#ifdef CONFIG_OMAP2_DSS_SDI + sdi_uninit_port(); +#endif +} + /* DSS HW IP initialisation */ static int __init omap_dsshw_probe(struct platform_device *pdev) { @@ -830,6 +882,8 @@ static int __init omap_dsshw_probe(struct platform_device *pdev) dss.lcd_clk_source[0] = OMAP_DSS_CLK_SRC_FCK; dss.lcd_clk_source[1] = OMAP_DSS_CLK_SRC_FCK; + dss_init_ports(pdev); + rev = dss_read_reg(DSS_REVISION); printk(KERN_INFO "OMAP DSS rev %d.%d\n", FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); @@ -849,6 +903,8 @@ err_setup_clocks: static int __exit omap_dsshw_remove(struct platform_device *pdev) { + dss_uninit_ports(); + pm_runtime_disable(&pdev->dev); dss_put_clocks(); @@ -886,12 +942,22 @@ static const struct dev_pm_ops dss_pm_ops = { .runtime_resume = dss_runtime_resume, }; +static const struct of_device_id dss_of_match[] = { + { .compatible = "ti,omap2-dss", }, + { .compatible = "ti,omap3-dss", }, + { .compatible = "ti,omap4-dss", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, dss_of_match); + static struct platform_driver omap_dsshw_driver = { .remove = __exit_p(omap_dsshw_remove), .driver = { .name = "omapdss_dss", .owner = THIS_MODULE, .pm = &dss_pm_ops, + .of_match_table = dss_of_match, }, }; diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 570f7ed2bcbc..918fec182424 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -250,6 +250,9 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min, int sdi_init_platform_driver(void) __init; void sdi_uninit_platform_driver(void) __exit; +int sdi_init_port(struct platform_device *pdev, struct device_node *port) __init; +void sdi_uninit_port(void) __exit; + /* DSI */ typedef bool (*dsi_pll_calc_func)(int regn, int regm, unsigned long fint, @@ -361,6 +364,9 @@ static inline bool dsi_pll_calc(struct platform_device *dsidev, int dpi_init_platform_driver(void) __init; void dpi_uninit_platform_driver(void) __exit; +int dpi_init_port(struct platform_device *pdev, struct device_node *port) __init; +void dpi_uninit_port(void) __exit; + /* DISPC */ int dispc_init_platform_driver(void) __init; void dispc_uninit_platform_driver(void) __exit; diff --git a/drivers/video/omap2/dss/hdmi4.c b/drivers/video/omap2/dss/hdmi4.c index 895c252ae0a8..f5f7944a1fd1 100644 --- a/drivers/video/omap2/dss/hdmi4.c +++ b/drivers/video/omap2/dss/hdmi4.c @@ -88,15 +88,11 @@ static int hdmi_init_regulator(void) if (hdmi.vdda_hdmi_dac_reg != NULL) return 0; - reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac"); - - /* DT HACK: try VDAC to make omapdss work for o4 sdp/panda */ - if (IS_ERR(reg)) - reg = devm_regulator_get(&hdmi.pdev->dev, "VDAC"); + reg = devm_regulator_get(&hdmi.pdev->dev, "vdda"); if (IS_ERR(reg)) { if (PTR_ERR(reg) != -EPROBE_DEFER) - DSSERR("can't get VDDA_HDMI_DAC regulator\n"); + DSSERR("can't get VDDA regulator\n"); return PTR_ERR(reg); } @@ -680,6 +676,11 @@ static const struct dev_pm_ops hdmi_pm_ops = { .runtime_resume = hdmi_runtime_resume, }; +static const struct of_device_id hdmi_of_match[] = { + { .compatible = "ti,omap4-hdmi", }, + {}, +}; + static struct platform_driver omapdss_hdmihw_driver = { .probe = omapdss_hdmihw_probe, .remove = __exit_p(omapdss_hdmihw_remove), @@ -687,6 +688,7 @@ static struct platform_driver omapdss_hdmihw_driver = { .name = "omapdss_hdmi", .owner = THIS_MODULE, .pm = &hdmi_pm_ops, + .of_match_table = hdmi_of_match, }, }; diff --git a/drivers/video/omap2/dss/hdmi_wp.c b/drivers/video/omap2/dss/hdmi_wp.c index cd620c6e43a0..f5f4ccf50d90 100644 --- a/drivers/video/omap2/dss/hdmi_wp.c +++ b/drivers/video/omap2/dss/hdmi_wp.c @@ -171,6 +171,8 @@ void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt, video_fmt->packing_mode = HDMI_PACK_10b_RGB_YUV444; video_fmt->y_res = param->timings.y_res; video_fmt->x_res = param->timings.x_res; + if (param->timings.interlace) + video_fmt->y_res /= 2; timings->hbp = param->timings.hbp; timings->hfp = param->timings.hfp; diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c index b679e33adf2d..911dcc9173a6 100644 --- a/drivers/video/omap2/dss/sdi.c +++ b/drivers/video/omap2/dss/sdi.c @@ -26,6 +26,7 @@ #include <linux/export.h> #include <linux/platform_device.h> #include <linux/string.h> +#include <linux/of.h> #include <video/omapdss.h> #include "dss.h" @@ -41,6 +42,8 @@ static struct { int datapairs; struct omap_dss_device output; + + bool port_initialized; } sdi; struct sdi_clk_calc_ctx { @@ -386,3 +389,45 @@ void __exit sdi_uninit_platform_driver(void) { platform_driver_unregister(&omap_sdi_driver); } + +int __init sdi_init_port(struct platform_device *pdev, struct device_node *port) +{ + struct device_node *ep; + u32 datapairs; + int r; + + ep = omapdss_of_get_next_endpoint(port, NULL); + if (!ep) + return 0; + + r = of_property_read_u32(ep, "datapairs", &datapairs); + if (r) { + DSSERR("failed to parse datapairs\n"); + goto err_datapairs; + } + + sdi.datapairs = datapairs; + + of_node_put(ep); + + sdi.pdev = pdev; + + sdi_init_output(pdev); + + sdi.port_initialized = true; + + return 0; + +err_datapairs: + of_node_put(ep); + + return r; +} + +void __exit sdi_uninit_port(void) +{ + if (!sdi.port_initialized) + return; + + sdi_uninit_output(sdi.pdev); +} diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index 59ade34bd536..21d81113962b 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -34,6 +34,7 @@ #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -636,7 +637,10 @@ static int venc_init_regulator(void) if (venc.vdda_dac_reg != NULL) return 0; - vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac"); + if (venc.pdev->dev.of_node) + vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda"); + else + vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac"); if (IS_ERR(vdda_dac)) { if (PTR_ERR(vdda_dac) != -EPROBE_DEFER) @@ -805,6 +809,48 @@ static void __exit venc_uninit_output(struct platform_device *pdev) omapdss_unregister_output(out); } +static int venc_probe_of(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct device_node *ep; + u32 channels; + int r; + + ep = omapdss_of_get_first_endpoint(node); + if (!ep) + return 0; + + venc.invert_polarity = of_property_read_bool(ep, "ti,invert-polarity"); + + r = of_property_read_u32(ep, "ti,channels", &channels); + if (r) { + dev_err(&pdev->dev, + "failed to read property 'ti,channels': %d\n", r); + goto err; + } + + switch (channels) { + case 1: + venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE; + break; + case 2: + venc.type = OMAP_DSS_VENC_TYPE_SVIDEO; + break; + default: + dev_err(&pdev->dev, "bad channel propert '%d'\n", channels); + r = -EINVAL; + goto err; + } + + of_node_put(ep); + + return 0; +err: + of_node_put(ep); + + return 0; +} + /* VENC HW IP initialisation */ static int omap_venchw_probe(struct platform_device *pdev) { @@ -846,12 +892,21 @@ static int omap_venchw_probe(struct platform_device *pdev) venc_runtime_put(); + if (pdev->dev.of_node) { + r = venc_probe_of(pdev); + if (r) { + DSSERR("Invalid DT data\n"); + goto err_probe_of; + } + } + dss_debugfs_create_file("venc", venc_dump_regs); venc_init_output(pdev); return 0; +err_probe_of: err_runtime_get: pm_runtime_disable(&pdev->dev); return r; @@ -895,6 +950,14 @@ static const struct dev_pm_ops venc_pm_ops = { .runtime_resume = venc_runtime_resume, }; + +static const struct of_device_id venc_of_match[] = { + { .compatible = "ti,omap2-venc", }, + { .compatible = "ti,omap3-venc", }, + { .compatible = "ti,omap4-venc", }, + {}, +}; + static struct platform_driver omap_venchw_driver = { .probe = omap_venchw_probe, .remove = __exit_p(omap_venchw_remove), @@ -902,6 +965,7 @@ static struct platform_driver omap_venchw_driver = { .name = "omapdss_venc", .owner = THIS_MODULE, .pm = &venc_pm_ops, + .of_match_table = venc_of_match, }, }; diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index 8d02f164c8c6..ec2d132c782d 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -2417,6 +2417,55 @@ static int omapfb_init_connections(struct omapfb2_device *fbdev, return 0; } +static struct omap_dss_device * +omapfb_find_default_display(struct omapfb2_device *fbdev) +{ + const char *def_name; + int i; + + /* + * Search with the display name from the user or the board file, + * comparing to display names and aliases + */ + + def_name = omapdss_get_default_display_name(); + + if (def_name) { + for (i = 0; i < fbdev->num_displays; ++i) { + struct omap_dss_device *dssdev; + + dssdev = fbdev->displays[i].dssdev; + + if (dssdev->name && strcmp(def_name, dssdev->name) == 0) + return dssdev; + + if (strcmp(def_name, dssdev->alias) == 0) + return dssdev; + } + + /* def_name given but not found */ + return NULL; + } + + /* then look for DT alias display0 */ + for (i = 0; i < fbdev->num_displays; ++i) { + struct omap_dss_device *dssdev; + int id; + + dssdev = fbdev->displays[i].dssdev; + + if (dssdev->dev->of_node == NULL) + continue; + + id = of_alias_get_id(dssdev->dev->of_node, "display"); + if (id == 0) + return dssdev; + } + + /* return the first display we have in the list */ + return fbdev->displays[0].dssdev; +} + static int omapfb_probe(struct platform_device *pdev) { struct omapfb2_device *fbdev = NULL; @@ -2494,23 +2543,7 @@ static int omapfb_probe(struct platform_device *pdev) for (i = 0; i < fbdev->num_managers; i++) fbdev->managers[i] = omap_dss_get_overlay_manager(i); - def_display = NULL; - - for (i = 0; i < fbdev->num_displays; ++i) { - struct omap_dss_device *dssdev; - const char *def_name; - - def_name = omapdss_get_default_display_name(); - - dssdev = fbdev->displays[i].dssdev; - - if (def_name == NULL || - (dssdev->name && strcmp(def_name, dssdev->name) == 0)) { - def_display = dssdev; - break; - } - } - + def_display = omapfb_find_default_display(fbdev); if (def_display == NULL) { dev_err(fbdev->dev, "failed to find default display\n"); r = -EPROBE_DEFER; |