*
* Tegra graphics host driver
*
- * Copyright (c) 2009-2012, NVIDIA Corporation.
+ * Copyright (c) 2009-2012, NVIDIA Corporation. All rights reserved.
*
* 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
struct nvhost_master;
-#define NVHOST_MODULE_MAX_CLOCKS 3
-#define NVHOST_MODULE_MAX_POWERGATE_IDS 2
-#define NVHOST_MODULE_NO_POWERGATE_IDS .powergate_ids = {-1, -1}
-#define NVHOST_DEFAULT_CLOCKGATE_DELAY .clockgate_delay = 25
+struct nvhost_device_power_attr;
+
+#define NVHOST_MODULE_MAX_CLOCKS 3
+#define NVHOST_MODULE_MAX_POWERGATE_IDS 2
+#define NVHOST_MODULE_NO_POWERGATE_IDS .powergate_ids = {-1, -1}
+#define NVHOST_DEFAULT_CLOCKGATE_DELAY .clockgate_delay = 25
+#define NVHOST_NAME_SIZE 24
+#define NVSYNCPT_INVALID (-1)
+
+/* FIXME:
+ * Sync point ids are now split into 2 files.
+ * 1 if this one and other is in
+ * drivers/video/tegra/host/host1x/host1x_syncpt.h
+ * So if someone decides to add new sync point in future
+ * please check both the header files
+ */
+#define NVSYNCPT_DISP0_A (8)
+#define NVSYNCPT_DISP1_A (9)
+#define NVSYNCPT_AVP_0 (10)
+#define NVSYNCPT_DISP0_B (20)
+#define NVSYNCPT_DISP1_B (21)
+#define NVSYNCPT_DISP0_C (24)
+#define NVSYNCPT_DISP1_C (25)
+#define NVSYNCPT_VBLANK0 (26)
+#define NVSYNCPT_VBLANK1 (27)
+#define NVSYNCPT_DSI (31)
+
+enum nvhost_power_sysfs_attributes {
+ NVHOST_POWER_SYSFS_ATTRIB_CLOCKGATE_DELAY = 0,
+ NVHOST_POWER_SYSFS_ATTRIB_POWERGATE_DELAY,
+ NVHOST_POWER_SYSFS_ATTRIB_REFCOUNT,
+ NVHOST_POWER_SYSFS_ATTRIB_MAX
+};
+
+struct nvhost_device_id {
+ char name[NVHOST_NAME_SIZE];
+ unsigned long version;
+};
struct nvhost_clock {
char *name;
};
struct nvhost_device {
- const char *name; /* Device name */
+ const char *name; /* device name */
+ int version; /* ip version number of device */
struct device dev; /* Linux device struct */
int id; /* Separates clients of same hw */
int index; /* Hardware channel number */
bool exclusive; /* True if only one user at a time */
bool keepalive; /* Do not power gate when opened */
bool waitbasesync; /* Force sync of wait bases */
+ bool powerup_reset; /* Do a reset after power un-gating */
+ bool serialize; /* Serialize submits in the channel */
int powergate_ids[NVHOST_MODULE_MAX_POWERGATE_IDS];
bool can_powergate; /* True if module can be power gated */
struct list_head client_list; /* List of clients and rate requests */
struct nvhost_channel *channel; /* Channel assigned for the module */
+ struct kobject *power_kobj; /* kobject to hold power sysfs entries */
+ struct nvhost_device_power_attr *power_attrib; /* sysfs attributes */
+};
- /* Allocates a context handler for the device */
- struct nvhost_hwctx_handler *(*alloc_hwctx_handler)(u32 syncpt,
- u32 waitbase, struct nvhost_channel *ch);
- /* Preparing for power off. Used for context save. */
- int (*prepare_poweroff)(struct nvhost_device *dev);
- /* Finalize power on. Can be used for context restore. */
- void (*finalize_poweron)(struct nvhost_device *dev);
- /* Device is busy. */
- void (*busy)(struct nvhost_device *);
- /* Device is idle. */
- void (*idle)(struct nvhost_device *);
- /* Device is going to be suspended */
- void (*suspend)(struct nvhost_device *);
- /* Device is initialized */
- void (*init)(struct nvhost_device *dev);
- /* Device is de-initialized. */
- void (*deinit)(struct nvhost_device *dev);
+struct nvhost_device_power_attr {
+ struct nvhost_device *ndev;
+ struct kobj_attribute power_attr[NVHOST_POWER_SYSFS_ATTRIB_MAX];
};
+/* Register devices to nvhost bus */
+extern int nvhost_add_devices(struct nvhost_device **, int num);
+
/* Register device to nvhost bus */
extern int nvhost_device_register(struct nvhost_device *);
extern struct bus_type nvhost_bus_type;
struct nvhost_driver {
- int (*probe)(struct nvhost_device *);
+ int (*probe)(struct nvhost_device *, struct nvhost_device_id *);
int (*remove)(struct nvhost_device *);
void (*shutdown)(struct nvhost_device *);
int (*suspend)(struct nvhost_device *, pm_message_t state);
int (*resume)(struct nvhost_device *);
struct device_driver driver;
+
+ struct nvhost_device_id *id_table;
+
+ /* Finalize power on. Can be used for context restore. */
+ void (*finalize_poweron)(struct nvhost_device *dev);
+
+ /* Device is busy. */
+ void (*busy)(struct nvhost_device *);
+
+ /* Device is idle. */
+ void (*idle)(struct nvhost_device *);
+
+ /* Device is going to be suspended */
+ void (*suspend_ndev)(struct nvhost_device *);
+
+ /* Device is initialized */
+ void (*init)(struct nvhost_device *dev);
+
+ /* Device is de-initialized. */
+ void (*deinit)(struct nvhost_device *dev);
+
+ /* Preparing for power off. Used for context save. */
+ int (*prepare_poweroff)(struct nvhost_device *dev);
+
+ /* Allocates a context handler for the device */
+ struct nvhost_hwctx_handler *(*alloc_hwctx_handler)(u32 syncpt,
+ u32 waitbase, struct nvhost_channel *ch);
};
extern int nvhost_driver_register(struct nvhost_driver *);
extern struct resource *nvhost_get_resource_byname(struct nvhost_device *,
unsigned int, const char *);
extern int nvhost_get_irq_byname(struct nvhost_device *, const char *);
+extern void nvhost_device_writel(struct nvhost_device *, u32 r, u32 v);
+extern u32 nvhost_device_readl(struct nvhost_device *, u32 r);
-#define to_nvhost_device(x) container_of((x), struct nvhost_device, dev)
+#define to_nvhost_device(x) container_of((x), struct nvhost_device, dev)
#define to_nvhost_driver(drv) (container_of((drv), struct nvhost_driver, \
driver))
#define nvhost_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
#define nvhost_set_drvdata(_dev, data) dev_set_drvdata(&(_dev)->dev, (data))
-static inline struct nvhost_master *nvhost_get_host(struct nvhost_device *_dev)
+
+int nvhost_bus_add_host(struct nvhost_master *host);
+
+static inline struct nvhost_device *nvhost_get_parent(struct nvhost_device *_dev)
{
- return (_dev->dev.parent) ? \
- ((struct nvhost_master *) dev_get_drvdata(_dev->dev.parent)) : \
- ((struct nvhost_master *) dev_get_drvdata(&(_dev->dev)));
+ return _dev->dev.parent ? to_nvhost_device(_dev->dev.parent) : NULL;
}
-int nvhost_bus_add_host(struct nvhost_master *host);
+/* public host1x power management APIs */
+bool nvhost_module_powered_ext(struct nvhost_device *dev);
+void nvhost_module_busy_ext(struct nvhost_device *dev);
+void nvhost_module_idle_ext(struct nvhost_device *dev);
+
+/* public host1x sync-point management APIs */
+u32 nvhost_syncpt_incr_max_ext(struct nvhost_device *dev, u32 id, u32 incrs);
+void nvhost_syncpt_cpu_incr_ext(struct nvhost_device *dev, u32 id);
+u32 nvhost_syncpt_read_ext(struct nvhost_device *dev, u32 id);
+int nvhost_syncpt_wait_timeout_ext(struct nvhost_device *dev, u32 id, u32 thresh,
+ u32 timeout, u32 *value);
#endif
Code Review / linux-2.6.git / blobdiff