[lantiq]

[openwrt/svn-archive/archive.git] / package / lqtapi / src / mps / vmmc-module.c

diff --git a/package/lqtapi/src/mps/vmmc-module.c b/package/lqtapi/src/mps/vmmc-module.c
deleted file mode 100644 (file)
index 181f0c6..0000000
--- a/package/lqtapi/src/mps/vmmc-module.c
+++ /dev/null
@@ -1,130 +0,0 @@
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/mutex.h>
-
-#include <asm/bitops.h>
-
-#include "vmmc-module.h"
-
-int vmmc_module_init(struct vmmc_module *module, size_t num_pins,
-       const struct vmmc_module_ops *ops)
-{
-       module->pins = kcalloc(num_pins, sizeof(*module->pins), GFP_KERNEL);
-
-       if (!module->pins)
-               return -ENOMEM;
-
-       module->num_pins = num_pins;
-       module->ops = ops;
-
-       mutex_init(&module->lock);
-       module->refcount = 0;
-
-       return 0;
-}
-
-int vmmc_module_sync(struct vmmc_module *module)
-{
-       if (!test_and_clear_bit(VMMC_MODULE_FLAG_MODIFIED, &module->flags))
-               return 0;
-
-       return module->ops->sync(module);
-}
-
-int vmmc_module_get_pin(struct vmmc_module *module)
-{
-       size_t i = 0;
-       int ret = 0;
-
-       for (i = 0; i < module->num_pins; ++i) {
-               if (!test_and_set_bit(VMMC_MODULE_FLAG_PIN_USED(i), &module->flags))
-                       break;
-       }
-       if (i == module->num_pins)
-               ret = -EBUSY;
-       else
-               ret = i;
-
-       return ret;
-}
-
-void vmmc_module_put_pin(struct vmmc_module *module, unsigned int pin)
-{
-       module->pins[pin] = 0;
-       clear_bit(VMMC_MODULE_FLAG_PIN_USED(pin), &module->flags);
-}
-
-void vmmc_module_set_pin_input(struct vmmc_module *module, unsigned int pin,
-       struct vmmc_module *input)
-{
-       if (input)
-               module->pins[pin] = input->id;
-       else
-               module->pins[pin] = 0;
-
-       set_bit(VMMC_MODULE_FLAG_MODIFIED, &module->flags);
-}
-
-static void vmmc_module_enable(struct vmmc_module *module)
-{
-       mutex_lock(&module->lock);
-
-       if (++module->refcount == 1)
-               module->ops->enable(module, true);
-
-       mutex_unlock(&module->lock);
-}
-
-static void vmmc_module_disable(struct vmmc_module *module)
-{
-       mutex_lock(&module->lock);
-
-       if (module->refcount <= 0)
-               printk(KERN_ERR "vmmc module: unbalanced disable\n");
-       else if (--module->refcount == 0)
-               module->ops->enable(module, false);
-
-       mutex_unlock(&module->lock);
-}
-
-
-unsigned int vmmc_link_init(struct vmmc_link *link,
-       struct vmmc_module *a, struct vmmc_module *b)
-{
-       link->pins[0] = vmmc_module_get_pin(a);
-       link->pins[1] = vmmc_module_get_pin(b);
-       link->modules[0] = a;
-       link->modules[1] = b;
-
-       return 0;
-}
-
-void vmmc_link_put(struct vmmc_link *link)
-{
-       vmmc_link_disable(link);
-       vmmc_module_sync(link->modules[0]);
-       vmmc_module_sync(link->modules[1]);
-       vmmc_module_put_pin(link->modules[0], link->pins[0]);
-       vmmc_module_put_pin(link->modules[1], link->pins[1]);
-}
-
-void vmmc_link_enable(struct vmmc_link *link)
-{
-       vmmc_module_set_pin_input(link->modules[0], link->pins[0],
-               link->modules[1]);
-       vmmc_module_set_pin_input(link->modules[1], link->pins[1],
-               link->modules[0]);
-
-       vmmc_module_enable(link->modules[0]);
-       vmmc_module_enable(link->modules[1]);
-}
-
-void vmmc_link_disable(struct vmmc_link *link)
-{
-       vmmc_module_set_pin_input(link->modules[0], link->pins[0], NULL);
-       vmmc_module_set_pin_input(link->modules[1], link->pins[1], NULL);
-
-       vmmc_module_disable(link->modules[0]);
-       vmmc_module_disable(link->modules[1]);
-}