debugfs.o \
ap.o \
manifest.o \
- module.o \
+ interface_block.o \
interface.o \
connection.o \
protocol.o \
#include "greybus_id.h"
#include "greybus_manifest.h"
#include "manifest.h"
-#include "module.h"
+#include "interface_block.h"
#include "interface.h"
#include "connection.h"
#include "protocol.h"
--- /dev/null
+/*
+ * Greybus modules
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * Released under the GPLv2 only.
+ */
+
+#include "greybus.h"
+
+/* XXX This could be per-host device */
+static DEFINE_SPINLOCK(gb_modules_lock);
+
+static int gb_module_match_one_id(struct gb_module *gmod,
+ const struct greybus_module_id *id)
+{
+ if ((id->match_flags & GREYBUS_DEVICE_ID_MATCH_VENDOR) &&
+ (id->vendor != gmod->vendor))
+ return 0;
+
+ if ((id->match_flags & GREYBUS_DEVICE_ID_MATCH_PRODUCT) &&
+ (id->product != gmod->product))
+ return 0;
+
+ if ((id->match_flags & GREYBUS_DEVICE_ID_MATCH_SERIAL) &&
+ (id->unique_id != gmod->unique_id))
+ return 0;
+
+ return 1;
+}
+
+const struct greybus_module_id *gb_module_match_id(struct gb_module *gmod,
+ const struct greybus_module_id *id)
+{
+ if (id == NULL)
+ return NULL;
+
+ for (; id->vendor || id->product || id->unique_id ||
+ id->driver_info; id++) {
+ if (gb_module_match_one_id(gmod, id))
+ return id;
+ }
+
+ return NULL;
+}
+
+struct gb_module *gb_module_find(struct greybus_host_device *hd, u8 module_id)
+{
+ struct gb_module *module;
+
+ list_for_each_entry(module, &hd->modules, links)
+ if (module->module_id == module_id)
+ return module;
+
+ return NULL;
+}
+
+static void greybus_module_release(struct device *dev)
+{
+ struct gb_module *gmod = to_gb_module(dev);
+
+ kfree(gmod);
+}
+
+struct device_type greybus_module_type = {
+ .name = "greybus_module",
+ .release = greybus_module_release,
+};
+
+/*
+ * A Greybus module represents a user-replicable component on an Ara
+ * phone.
+ *
+ * Create a gb_module structure to represent a discovered module.
+ * The position within the Endo is encoded in the "module_id" argument.
+ * Returns a pointer to the new module or a null pointer if a
+ * failure occurs due to memory exhaustion.
+ */
+struct gb_module *gb_module_create(struct greybus_host_device *hd, u8 module_id)
+{
+ struct gb_module *gmod;
+ int retval;
+
+ gmod = gb_module_find(hd, module_id);
+ if (gmod) {
+ dev_err(hd->parent, "Duplicate module id %d will not be created\n",
+ module_id);
+ return NULL;
+ }
+
+ gmod = kzalloc(sizeof(*gmod), GFP_KERNEL);
+ if (!gmod)
+ return NULL;
+
+ gmod->hd = hd; /* XXX refcount? */
+ gmod->module_id = module_id;
+ INIT_LIST_HEAD(&gmod->interfaces);
+
+ gmod->dev.parent = hd->parent;
+ gmod->dev.bus = &greybus_bus_type;
+ gmod->dev.type = &greybus_module_type;
+ gmod->dev.groups = greybus_module_groups;
+ gmod->dev.dma_mask = hd->parent->dma_mask;
+ device_initialize(&gmod->dev);
+ dev_set_name(&gmod->dev, "%d", module_id);
+
+ retval = device_add(&gmod->dev);
+ if (retval) {
+ pr_err("failed to add module device for id 0x%02hhx\n",
+ module_id);
+ put_device(&gmod->dev);
+ kfree(gmod);
+ return NULL;
+ }
+
+ spin_lock_irq(&gb_modules_lock);
+ list_add_tail(&gmod->links, &hd->modules);
+ spin_unlock_irq(&gb_modules_lock);
+
+ return gmod;
+}
+
+/*
+ * Tear down a previously set up module.
+ */
+void gb_module_destroy(struct gb_module *gmod)
+{
+ if (WARN_ON(!gmod))
+ return;
+
+ spin_lock_irq(&gb_modules_lock);
+ list_del(&gmod->links);
+ spin_unlock_irq(&gb_modules_lock);
+
+ gb_interface_destroy(gmod);
+
+ kfree(gmod->product_string);
+ kfree(gmod->vendor_string);
+ /* kref_put(module->hd); */
+
+ device_del(&gmod->dev);
+}
+
+/**
+ * gb_add_module
+ *
+ * Pass in a buffer that _should_ contain a Greybus module manifest
+ * and register a greybus device structure with the kernel core.
+ */
+void gb_add_module(struct greybus_host_device *hd, u8 module_id,
+ u8 *data, int size)
+{
+ struct gb_module *gmod;
+
+ gmod = gb_module_create(hd, module_id);
+ if (!gmod) {
+ dev_err(hd->parent, "failed to create module\n");
+ return;
+ }
+
+ /*
+ * Parse the manifest and build up our data structures
+ * representing what's in it.
+ */
+ if (!gb_manifest_parse(gmod, data, size)) {
+ dev_err(hd->parent, "manifest error\n");
+ goto err_module;
+ }
+
+ /*
+ * XXX
+ * We've successfully parsed the manifest. Now we need to
+ * allocate CPort Id's for connecting to the CPorts found on
+ * other modules. For each of these, establish a connection
+ * between the local and remote CPorts (including
+ * configuring the switch to allow them to communicate).
+ */
+
+ return;
+
+err_module:
+ gb_module_destroy(gmod);
+}
+
+void gb_remove_module(struct greybus_host_device *hd, u8 module_id)
+{
+ struct gb_module *gmod = gb_module_find(hd, module_id);
+
+ if (gmod)
+ gb_module_destroy(gmod);
+ else
+ dev_err(hd->parent, "module id %d not found\n", module_id);
+}
+
+void gb_remove_modules(struct greybus_host_device *hd)
+{
+ struct gb_module *gmod, *temp;
+
+ list_for_each_entry_safe(gmod, temp, &hd->modules, links)
+ gb_module_destroy(gmod);
+}
--- /dev/null
+/*
+ * Greybus modules
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * Released under the GPLv2 only.
+ */
+
+#ifndef __MODULE_H
+#define __MODULE_H
+
+/* Increase these values if needed */
+#define MAX_CPORTS_PER_MODULE 10
+#define MAX_STRINGS_PER_MODULE 10
+
+struct gb_module {
+ struct device dev;
+
+ struct list_head interfaces;
+ struct list_head links; /* greybus_host_device->modules */
+ u8 module_id; /* Physical location within the Endo */
+
+ /* Information taken from the manifest module descriptor */
+ u16 vendor;
+ u16 product;
+ char *vendor_string;
+ char *product_string;
+ u64 unique_id;
+
+ struct greybus_host_device *hd;
+};
+#define to_gb_module(d) container_of(d, struct gb_module, dev)
+
+static inline void
+gb_module_set_drvdata(struct gb_module *gmod, void *data)
+{
+ dev_set_drvdata(&gmod->dev, data);
+}
+
+static inline void *gb_module_get_drvdata(struct gb_module *gmod)
+{
+ return dev_get_drvdata(&gmod->dev);
+}
+
+const struct greybus_module_id *gb_module_match_id(struct gb_module *gmod,
+ const struct greybus_module_id *id);
+
+struct gb_module *gb_module_create(struct greybus_host_device *hd,
+ u8 module_id);
+void gb_module_destroy(struct gb_module *module);
+
+struct gb_module *gb_module_find(struct greybus_host_device *hd,
+ u8 module_id);
+
+#endif /* __MODULE_H */
+++ /dev/null
-/*
- * Greybus modules
- *
- * Copyright 2014 Google Inc.
- *
- * Released under the GPLv2 only.
- */
-
-#include "greybus.h"
-
-/* XXX This could be per-host device */
-static DEFINE_SPINLOCK(gb_modules_lock);
-
-static int gb_module_match_one_id(struct gb_module *gmod,
- const struct greybus_module_id *id)
-{
- if ((id->match_flags & GREYBUS_DEVICE_ID_MATCH_VENDOR) &&
- (id->vendor != gmod->vendor))
- return 0;
-
- if ((id->match_flags & GREYBUS_DEVICE_ID_MATCH_PRODUCT) &&
- (id->product != gmod->product))
- return 0;
-
- if ((id->match_flags & GREYBUS_DEVICE_ID_MATCH_SERIAL) &&
- (id->unique_id != gmod->unique_id))
- return 0;
-
- return 1;
-}
-
-const struct greybus_module_id *gb_module_match_id(struct gb_module *gmod,
- const struct greybus_module_id *id)
-{
- if (id == NULL)
- return NULL;
-
- for (; id->vendor || id->product || id->unique_id ||
- id->driver_info; id++) {
- if (gb_module_match_one_id(gmod, id))
- return id;
- }
-
- return NULL;
-}
-
-struct gb_module *gb_module_find(struct greybus_host_device *hd, u8 module_id)
-{
- struct gb_module *module;
-
- list_for_each_entry(module, &hd->modules, links)
- if (module->module_id == module_id)
- return module;
-
- return NULL;
-}
-
-static void greybus_module_release(struct device *dev)
-{
- struct gb_module *gmod = to_gb_module(dev);
-
- kfree(gmod);
-}
-
-struct device_type greybus_module_type = {
- .name = "greybus_module",
- .release = greybus_module_release,
-};
-
-/*
- * A Greybus module represents a user-replicable component on an Ara
- * phone.
- *
- * Create a gb_module structure to represent a discovered module.
- * The position within the Endo is encoded in the "module_id" argument.
- * Returns a pointer to the new module or a null pointer if a
- * failure occurs due to memory exhaustion.
- */
-struct gb_module *gb_module_create(struct greybus_host_device *hd, u8 module_id)
-{
- struct gb_module *gmod;
- int retval;
-
- gmod = gb_module_find(hd, module_id);
- if (gmod) {
- dev_err(hd->parent, "Duplicate module id %d will not be created\n",
- module_id);
- return NULL;
- }
-
- gmod = kzalloc(sizeof(*gmod), GFP_KERNEL);
- if (!gmod)
- return NULL;
-
- gmod->hd = hd; /* XXX refcount? */
- gmod->module_id = module_id;
- INIT_LIST_HEAD(&gmod->interfaces);
-
- gmod->dev.parent = hd->parent;
- gmod->dev.bus = &greybus_bus_type;
- gmod->dev.type = &greybus_module_type;
- gmod->dev.groups = greybus_module_groups;
- gmod->dev.dma_mask = hd->parent->dma_mask;
- device_initialize(&gmod->dev);
- dev_set_name(&gmod->dev, "%d", module_id);
-
- retval = device_add(&gmod->dev);
- if (retval) {
- pr_err("failed to add module device for id 0x%02hhx\n",
- module_id);
- put_device(&gmod->dev);
- kfree(gmod);
- return NULL;
- }
-
- spin_lock_irq(&gb_modules_lock);
- list_add_tail(&gmod->links, &hd->modules);
- spin_unlock_irq(&gb_modules_lock);
-
- return gmod;
-}
-
-/*
- * Tear down a previously set up module.
- */
-void gb_module_destroy(struct gb_module *gmod)
-{
- if (WARN_ON(!gmod))
- return;
-
- spin_lock_irq(&gb_modules_lock);
- list_del(&gmod->links);
- spin_unlock_irq(&gb_modules_lock);
-
- gb_interface_destroy(gmod);
-
- kfree(gmod->product_string);
- kfree(gmod->vendor_string);
- /* kref_put(module->hd); */
-
- device_del(&gmod->dev);
-}
-
-/**
- * gb_add_module
- *
- * Pass in a buffer that _should_ contain a Greybus module manifest
- * and register a greybus device structure with the kernel core.
- */
-void gb_add_module(struct greybus_host_device *hd, u8 module_id,
- u8 *data, int size)
-{
- struct gb_module *gmod;
-
- gmod = gb_module_create(hd, module_id);
- if (!gmod) {
- dev_err(hd->parent, "failed to create module\n");
- return;
- }
-
- /*
- * Parse the manifest and build up our data structures
- * representing what's in it.
- */
- if (!gb_manifest_parse(gmod, data, size)) {
- dev_err(hd->parent, "manifest error\n");
- goto err_module;
- }
-
- /*
- * XXX
- * We've successfully parsed the manifest. Now we need to
- * allocate CPort Id's for connecting to the CPorts found on
- * other modules. For each of these, establish a connection
- * between the local and remote CPorts (including
- * configuring the switch to allow them to communicate).
- */
-
- return;
-
-err_module:
- gb_module_destroy(gmod);
-}
-
-void gb_remove_module(struct greybus_host_device *hd, u8 module_id)
-{
- struct gb_module *gmod = gb_module_find(hd, module_id);
-
- if (gmod)
- gb_module_destroy(gmod);
- else
- dev_err(hd->parent, "module id %d not found\n", module_id);
-}
-
-void gb_remove_modules(struct greybus_host_device *hd)
-{
- struct gb_module *gmod, *temp;
-
- list_for_each_entry_safe(gmod, temp, &hd->modules, links)
- gb_module_destroy(gmod);
-}
+++ /dev/null
-/*
- * Greybus modules
- *
- * Copyright 2014 Google Inc.
- *
- * Released under the GPLv2 only.
- */
-
-#ifndef __MODULE_H
-#define __MODULE_H
-
-/* Increase these values if needed */
-#define MAX_CPORTS_PER_MODULE 10
-#define MAX_STRINGS_PER_MODULE 10
-
-struct gb_module {
- struct device dev;
-
- struct list_head interfaces;
- struct list_head links; /* greybus_host_device->modules */
- u8 module_id; /* Physical location within the Endo */
-
- /* Information taken from the manifest module descriptor */
- u16 vendor;
- u16 product;
- char *vendor_string;
- char *product_string;
- u64 unique_id;
-
- struct greybus_host_device *hd;
-};
-#define to_gb_module(d) container_of(d, struct gb_module, dev)
-
-static inline void
-gb_module_set_drvdata(struct gb_module *gmod, void *data)
-{
- dev_set_drvdata(&gmod->dev, data);
-}
-
-static inline void *gb_module_get_drvdata(struct gb_module *gmod)
-{
- return dev_get_drvdata(&gmod->dev);
-}
-
-const struct greybus_module_id *gb_module_match_id(struct gb_module *gmod,
- const struct greybus_module_id *id);
-
-struct gb_module *gb_module_create(struct greybus_host_device *hd,
- u8 module_id);
-void gb_module_destroy(struct gb_module *module);
-
-struct gb_module *gb_module_find(struct greybus_host_device *hd,
- u8 module_id);
-
-#endif /* __MODULE_H */
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff