#include <config.h>
#include <common.h>
+#include <dm.h>
+#include <errno.h>
#include <stdarg.h>
#include <malloc.h>
#include <stdio_dev.h>
#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
+#define CONFIG_SYS_DEVICE_NULLDEV 1
+#endif
#ifdef CONFIG_SYS_DEVICE_NULLDEV
-void nulldev_putc(const char c)
+static void nulldev_putc(struct stdio_dev *dev, const char c)
{
/* nulldev is empty! */
}
-void nulldev_puts(const char *s)
+static void nulldev_puts(struct stdio_dev *dev, const char *s)
{
/* nulldev is empty! */
}
-int nulldev_input(void)
+static int nulldev_input(struct stdio_dev *dev)
{
/* nulldev is empty! */
return 0;
}
#endif
+static void stdio_serial_putc(struct stdio_dev *dev, const char c)
+{
+ serial_putc(c);
+}
+
+static void stdio_serial_puts(struct stdio_dev *dev, const char *s)
+{
+ serial_puts(s);
+}
+
+static int stdio_serial_getc(struct stdio_dev *dev)
+{
+ return serial_getc();
+}
+
+static int stdio_serial_tstc(struct stdio_dev *dev)
+{
+ return serial_tstc();
+}
+
/**************************************************************************
* SYSTEM DRIVERS
**************************************************************************
memset (&dev, 0, sizeof (dev));
strcpy (dev.name, "serial");
- dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
- dev.putc = serial_putc;
- dev.puts = serial_puts;
- dev.getc = serial_getc;
- dev.tstc = serial_tstc;
+ dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
+ dev.putc = stdio_serial_putc;
+ dev.puts = stdio_serial_puts;
+ dev.getc = stdio_serial_getc;
+ dev.tstc = stdio_serial_tstc;
stdio_register (&dev);
#ifdef CONFIG_SYS_DEVICE_NULLDEV
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 _dev;
}
-int stdio_register (struct stdio_dev * dev)
+int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp)
{
struct stdio_dev *_dev;
_dev = stdio_clone(dev);
if(!_dev)
- return -1;
+ return -ENODEV;
list_add_tail(&(_dev->list), &(devs.list));
+ if (devp)
+ *devp = _dev;
+
return 0;
}
+int stdio_register(struct stdio_dev *dev)
+{
+ return stdio_register_dev(dev, 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
-int stdio_deregister(const char *devname)
+int stdio_deregister_dev(struct stdio_dev *dev, int force)
{
int l;
struct list_head *pos;
- struct stdio_dev *dev;
char temp_names[3][16];
- dev = stdio_get_by_name(devname);
-
- if(!dev) /* device not found */
- return -1;
/* get stdio devices (ListRemoveItem changes the dev list) */
for (l=0 ; l< MAX_FILES; l++) {
if (stdio_devices[l] == dev) {
+ if (force) {
+ strcpy(temp_names[l], "nulldev");
+ continue;
+ }
/* Device is assigned -> report error */
return -1;
}
}
list_del(&(dev->list));
+ free(dev);
/* reassign Device list */
list_for_each(pos, &(devs.list)) {
}
return 0;
}
+
+int stdio_deregister(const char *devname, int force)
+{
+ struct stdio_dev *dev;
+
+ dev = stdio_get_by_name(devname);
+
+ if (!dev) /* device not found */
+ return -ENODEV;
+
+ return stdio_deregister_dev(dev, force);
+}
#endif /* CONFIG_SYS_STDIO_DEREGISTER */
-int stdio_init (void)
+int stdio_init_tables(void)
{
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
/* already relocated for current ARM implementation */
/* Initialize the list */
INIT_LIST_HEAD(&(devs.list));
+ return 0;
+}
+
+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.
+ *
+ * TODO(sjg@chromium.org): Convert changing uclass_first_device() etc.
+ * 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
i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
#endif
#endif
-#ifdef CONFIG_LCD
+#ifdef CONFIG_DM_VIDEO
+ 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);
+#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
#ifdef CONFIG_CBMEM_CONSOLE
cbmemc_init();
#endif
- return (0);
+
+ return 0;
+}
+
+int stdio_init(void)
+{
+ stdio_init_tables();
+ stdio_add_devices();
+
+ return 0;
}
projects / people / ms / u-boot.git / blobdiff