From: Pavel Herrmann <morpheus.i...@gmail.com>
Signed-off-by: Pavel Herrmann <morpheus.i...@gmail.com>
---
Makefile | 1 +
drivers/demo/Makefile | 42 ++++++++
drivers/demo/core.c | 236 +++++++++++++++++++++++++++++++++++++++++++
drivers/demo/demo.c | 67 ++++++++++++
include/dm/core_numbering.h | 1 +
include/dm/demo.h | 37 +++++++
6 files changed, 384 insertions(+)
create mode 100644 drivers/demo/Makefile
create mode 100644 drivers/demo/core.c
create mode 100644 drivers/demo/demo.c
create mode 100644 include/dm/demo.h
diff --git a/Makefile b/Makefile
index 0e008b1..ba74696 100644
--- a/Makefile
+++ b/Makefile
@@ -302,6 +302,7 @@ LIBS-y += post/libpost.o
LIBS-y += test/libtest.o
LIBS-$(CONFIG_DM) += common/dm/libdm.o
+LIBS-$(CONFIG_DM) += drivers/demo/libdemo.o
ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
diff --git a/drivers/demo/Makefile b/drivers/demo/Makefile
new file mode 100644
index 0000000..192bd7d
--- /dev/null
+++ b/drivers/demo/Makefile
@@ -0,0 +1,42 @@
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# 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.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB := $(obj)libdemo.o
+
+COBJS-y += demo.o core.o
+
+COBJS := $(COBJS-y)
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+all: $(LIB)
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/drivers/demo/core.c b/drivers/demo/core.c
new file mode 100644
index 0000000..1e6684b
--- /dev/null
+++ b/drivers/demo/core.c
@@ -0,0 +1,236 @@
+/*
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.i...@gmail.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <malloc.h>
+#include <dm/manager.h>
+#include <dm/demo.h>
+#include <linux/list.h>
+
+struct demo_core_entry {
+ struct list_head list;
+ struct instance *instance;
+ struct demo_ops *ops;
+};
+
+static struct demo_ops *get_ops(struct instance *inst)
+{
+ struct core_instance *core = NULL;
+ struct demo_core_entry *tmp;
+
+ if (!inst)
+ return NULL;
+
+ core = get_core_instance(CORE_DEMO);
+ if (!core)
+ /* something has gone terribly wrong here...*/
+ return NULL;
+
+ list_for_each_entry(tmp, &core->succ, list) {
+ if (tmp->instance == inst)
+ return tmp->ops;
+ }
+
+ return NULL;
+}
+
+static int demo_core_get_count(struct core_instance *core)
+{
+ struct demo_core_entry *tmp;
+ int i = 0;
+
+ list_for_each_entry(tmp, &core->succ, list)
+ i++;
+
+ return i;
+}
+
+static struct instance *demo_core_get_child(struct core_instance *core, int
idx)
+{
+ struct demo_core_entry *tmp;
+ int i = 0;
+
+ list_for_each_entry(tmp, &core->succ, list) {
+ if (i == idx)
+ return tmp->instance;
+ i++;
+ }
+
+ return NULL;
+}
+
+static int demo_core_bind(struct core_instance *core, struct instance *dev,
+ void *ops, void *data)
+{
+ struct demo_core_entry *entry;
+
+ if (data || !ops)
+ return -EINVAL;
+
+ entry = malloc(sizeof(*entry));
+ if (!entry)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&entry->list);
+ entry->instance = dev;
+ entry->ops = ops;
+
+ list_add_tail(&entry->list, &core->succ);
+ return 0;
+}
+
+static int demo_core_unbind(struct core_instance *core, struct instance *dev)
+{
+ struct demo_core_entry *tmp, *n;
+
+ if (!dev)
+ return -EINVAL;
+
+ list_for_each_entry_safe(tmp, n, &core->succ, list) {
+ if (tmp->instance == dev) {
+ list_del(&tmp->list);
+ free(tmp);
+ }
+ }
+
+ return 0;
+}
+
+static int demo_core_replace(struct core_instance *core, struct instance *new,
+ struct instance *old)
+{
+ struct demo_core_entry *tmp, *n;
+
+ if (!new || !old)
+ return -EINVAL;
+
+ list_for_each_entry_safe(tmp, n, &core->succ, list)
+ if (tmp->instance == old)
+ tmp->instance = new;
+
+ return 0;
+}
+
+static int demo_core_init(struct core_instance *core)
+{
+ core->private_data = NULL;
+ INIT_LIST_HEAD(&core->succ);
+ return 0;
+}
+
+static int demo_core_reloc(struct core_instance *new, struct core_instance
*old)
+{
+ /* no relocation at this point */
+ return 0;
+}
+
+static int demo_core_destroy(struct core_instance *core)
+{
+ /* no destruction at this point */
+ return 0;
+}
+
+U_BOOT_CORE(CORE_DEMO,
+ demo_core_init,
+ demo_core_reloc,
+ demo_core_destroy,
+ demo_core_get_count,
+ demo_core_get_child,
+ demo_core_bind,
+ demo_core_unbind,
+ demo_core_replace);
+
+
+/* Driver API */
+
+int demo_hello(struct instance *i)
+{
+ struct demo_ops *device_ops = NULL;
+ int status;
+
+ device_ops = get_ops(i);
+ if (!device_ops)
+ return -ENOENT;
+
+ status = driver_activate(i);
+ if (status != 0)
+ return status;
+
+ if (device_ops->hello)
+ return device_ops->hello(i);
+ else
+ return 0;
+}
+
+
+/* Command API */
+
+int demo_list(void)
+{
+ struct core_instance *core = NULL;
+ struct demo_core_entry *tmp = NULL;
+ int i = 0;
+
+ core = get_core_instance(CORE_DEMO);
+ if (!core)
+ return -ENOMEM;
+
+ puts("Demo core entries:\n");
+
+ list_for_each_entry(tmp, &core->succ, list)
+ printf("entry %d - instance 0x%p with ops 0x%p\n",
+ i++, tmp->instance, tmp->ops);
+
+ return 0;
+}
+
+static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ struct instance *dev;
+ int devnum = 0;
+
+ switch (argc) {
+ case 2:
+ if (!strncmp(argv[1], "list", 4))
+ return demo_list();
+ break;
+ case 3:
+ if (!strncmp(argv[1], "call", 4))
+ devnum = simple_strtoul(argv[2], NULL, 10);
+ dev = core_get_child(CORE_DEMO, devnum);
+ if (!dev) {
+ puts("device not found");
+ return -EINVAL;
+ } else
+ return demo_hello(dev);
+ break;
+ }
+
+ return -EINVAL;
+}
+
+U_BOOT_CMD(
+ demo, 3, 1, do_demo,
+ "dm demo core ops\n",
+ "list\n"
+ "call <num>\n"
+);
diff --git a/drivers/demo/demo.c b/drivers/demo/demo.c
new file mode 100644
index 0000000..d8610bd
--- /dev/null
+++ b/drivers/demo/demo.c
@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.i...@gmail.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <dm/demo.h>
+#include <dm/manager.h>
+
+static int hello(struct instance *dev)
+{
+ printf("hello from %p\n", dev);
+ return 0;
+}
+
+static struct demo_ops ops = {
+ .hello = hello,
+};
+
+static int bind(struct instance *dev)
+{
+ printf("bind from %p\n", dev);
+ return core_bind(CORE_DEMO, dev, &ops, NULL);
+}
+
+static int probe(struct instance *dev)
+{
+ printf("probe from %p\n", dev);
+ return 0;
+}
+
+static int reloc(struct instance *new, struct instance *old)
+{
+ printf("reloc from %p to %p\n", old, new);
+ return 0;
+}
+
+static int remove(struct instance *dev)
+{
+ printf("remove from %p\n", dev);
+ return 0;
+}
+
+static int unbind(struct instance *dev)
+{
+ printf("unbind from %p\n", dev);
+ return core_unbind(CORE_DEMO, dev);
+}
+
+U_BOOT_DRIVER(demo_drv, bind, probe, reloc, remove, unbind);
diff --git a/include/dm/core_numbering.h b/include/dm/core_numbering.h
index b543b48..8dd6067 100644
--- a/include/dm/core_numbering.h
+++ b/include/dm/core_numbering.h
@@ -29,6 +29,7 @@
enum core_id {
CORE_INVALID = 0,
CORE_GPIO,
+ CORE_DEMO,
};
#endif
diff --git a/include/dm/demo.h b/include/dm/demo.h
new file mode 100644
index 0000000..9fca7b8
--- /dev/null
+++ b/include/dm/demo.h
@@ -0,0 +1,37 @@
+/*
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.i...@gmail.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _DM_DEMO_H_
+#define _DM_DEMO_H_ 1
+
+#include <dm/options.h>
+#include <dm/structures.h>
+
+struct demo_ops {
+ int (*hello)(struct instance *i);
+};
+
+int demo_hello(struct instance *i);
+int demo_list(void);
+
+#endif
--
1.7.10.4
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
