+// SPDX-License-Identifier: GPL-2.0+
/*
*
*
* (C) Copyright 2000
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <common.h>
+#include <dm.h>
#include <errno.h>
+#include <log.h>
#include <stdarg.h>
#include <malloc.h>
#include <stdio_dev.h>
#include <serial.h>
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
-#endif
+#include <splash.h>
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
+#if defined(CONFIG_SYS_I2C)
#include <i2c.h>
#endif
+#include <dm/device-internal.h>
+
DECLARE_GLOBAL_DATA_PTR;
static struct stdio_dev devs;
#define CONFIG_SYS_DEVICE_NULLDEV 1
#endif
-#ifdef CONFIG_SYS_STDIO_DEREGISTER
+#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
#define CONFIG_SYS_DEVICE_NULLDEV 1
#endif
memset (&dev, 0, sizeof (dev));
strcpy (dev.name, "serial");
- dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+ dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
dev.putc = stdio_serial_putc;
dev.puts = stdio_serial_puts;
dev.getc = stdio_serial_getc;
memset (&dev, 0, sizeof (dev));
strcpy (dev.name, "nulldev");
- dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+ dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
dev.putc = nulldev_putc;
dev.puts = nulldev_puts;
dev.getc = nulldev_input;
return &(devs.list);
}
-struct stdio_dev* stdio_get_by_name(const char *name)
+#ifdef CONFIG_DM_VIDEO
+/**
+ * stdio_probe_device() - Find a device which provides the given stdio device
+ *
+ * This looks for a device of the given uclass which provides a particular
+ * stdio device. It is currently really only useful for UCLASS_VIDEO.
+ *
+ * Ultimately we want to be able to probe a device by its stdio name. At
+ * present devices register in their probe function (for video devices this
+ * is done in vidconsole_post_probe()) and we don't know what name they will
+ * use until they do so.
+ * probing, and probe the required device.
+ *
+ * @name: stdio device name (e.g. "vidconsole")
+ * id: Uclass ID of device to look for (e.g. UCLASS_VIDEO)
+ * @sdevp: Returns stdout device, if found, else NULL
+ * @return 0 if found, -ENOENT if no device found with that name, other -ve
+ * on other error
+ */
+static int stdio_probe_device(const char *name, enum uclass_id id,
+ struct stdio_dev **sdevp)
+{
+ struct stdio_dev *sdev;
+ struct udevice *dev;
+ int seq, ret;
+
+ *sdevp = NULL;
+ seq = trailing_strtoln(name, NULL);
+ if (seq == -1)
+ seq = 0;
+ ret = uclass_get_device_by_seq(id, seq, &dev);
+ if (ret == -ENODEV)
+ ret = uclass_first_device_err(id, &dev);
+ if (ret) {
+ debug("No %s device for seq %d (%s)\n", uclass_get_name(id),
+ seq, name);
+ return ret;
+ }
+ /* The device should be be the last one registered */
+ sdev = list_empty(&devs.list) ? NULL :
+ list_last_entry(&devs.list, struct stdio_dev, list);
+ if (!sdev || strcmp(sdev->name, name)) {
+ debug("Device '%s' did not register with stdio as '%s'\n",
+ dev->name, name);
+ return -ENOENT;
+ }
+ *sdevp = sdev;
+
+ return 0;
+}
+#endif
+
+struct stdio_dev *stdio_get_by_name(const char *name)
{
struct list_head *pos;
- struct stdio_dev *dev;
+ struct stdio_dev *sdev;
- if(!name)
+ if (!name)
return NULL;
list_for_each(pos, &(devs.list)) {
- dev = list_entry(pos, struct stdio_dev, list);
- if(strcmp(dev->name, name) == 0)
- return dev;
+ sdev = list_entry(pos, struct stdio_dev, list);
+ if (strcmp(sdev->name, name) == 0)
+ return sdev;
}
+#ifdef CONFIG_DM_VIDEO
+ /*
+ * We did not find a suitable stdio device. If there is a video
+ * driver with a name starting with 'vidconsole', we can try probing
+ * that in the hope that it will produce the required stdio device.
+ *
+ * This function is sometimes called with the entire value of
+ * 'stdout', which may include a list of devices separate by commas.
+ * Obviously this is not going to work, so we ignore that case. The
+ * call path in that case is console_init_r() -> search_device() ->
+ * stdio_get_by_name().
+ */
+ if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') &&
+ !stdio_probe_device(name, UCLASS_VIDEO, &sdev))
+ return sdev;
+#endif
return NULL;
}
/* deregister the device "devname".
* returns 0 if success, -1 if device is assigned and 1 if devname not found
*/
-#ifdef CONFIG_SYS_STDIO_DEREGISTER
+#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
int stdio_deregister_dev(struct stdio_dev *dev, int force)
{
int l;
return stdio_deregister_dev(dev, force);
}
-#endif /* CONFIG_SYS_STDIO_DEREGISTER */
+#endif /* CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER) */
int stdio_init_tables(void)
{
int stdio_add_devices(void)
{
+#ifdef CONFIG_DM_KEYBOARD
+ struct udevice *dev;
+ struct uclass *uc;
+ int ret;
+
+ /*
+ * For now we probe all the devices here. At some point this should be
+ * done only when the devices are required - e.g. we have a list of
+ * input devices to start up in the stdin environment variable. That
+ * work probably makes more sense when stdio itself is converted to
+ * driver model.
+ *
+ * to return the device even on error. Then we could use that here.
+ */
+ ret = uclass_get(UCLASS_KEYBOARD, &uc);
+ if (ret)
+ return ret;
+
+ /* Don't report errors to the caller - assume that they are non-fatal */
+ uclass_foreach_dev(dev, uc) {
+ ret = device_probe(dev);
+ if (ret)
+ printf("Failed to probe keyboard '%s'\n", dev->name);
+ }
+#endif
#ifdef CONFIG_SYS_I2C
i2c_init_all();
#else
-#if defined(CONFIG_HARD_I2C)
- i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-#endif
#endif
-#ifdef CONFIG_LCD
+#ifdef CONFIG_DM_VIDEO
+ /*
+ * If the console setting is not in environment variables then
+ * console_init_r() will not be calling iomux_doenv() (which calls
+ * search_device()). So we will not dynamically add devices by
+ * calling stdio_probe_device().
+ *
+ * So just probe all video devices now so that whichever one is
+ * required will be available.
+ */
+#ifndef CONFIG_SYS_CONSOLE_IS_IN_ENV
+ struct udevice *vdev;
+# ifndef CONFIG_DM_KEYBOARD
+ int ret;
+# endif
+
+ for (ret = uclass_first_device(UCLASS_VIDEO, &vdev);
+ vdev;
+ ret = uclass_next_device(&vdev))
+ ;
+ if (ret)
+ printf("%s: Video device failed (ret=%d)\n", __func__, ret);
+#endif /* !CONFIG_SYS_CONSOLE_IS_IN_ENV */
+#if defined(CONFIG_SPLASH_SCREEN) && defined(CONFIG_CMD_BMP)
+ splash_display();
+#endif /* CONFIG_SPLASH_SCREEN && CONFIG_CMD_BMP */
+#else
+# if defined(CONFIG_LCD)
drv_lcd_init ();
-#endif
-#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
+# endif
+# if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
drv_video_init ();
-#endif
-#ifdef CONFIG_KEYBOARD
+# endif
+#endif /* CONFIG_DM_VIDEO */
+#if defined(CONFIG_KEYBOARD) && !defined(CONFIG_DM_KEYBOARD)
drv_keyboard_init ();
-#endif
-#ifdef CONFIG_LOGBUFFER
- drv_logbuff_init ();
#endif
drv_system_init ();
serial_stdio_init ();
projects / J-u-boot.git / blobdiff