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Diffstat (limited to 'include/asm-powerpc/pmac_pfunc.h')
-rw-r--r--include/asm-powerpc/pmac_pfunc.h252
1 files changed, 0 insertions, 252 deletions
diff --git a/include/asm-powerpc/pmac_pfunc.h b/include/asm-powerpc/pmac_pfunc.h
deleted file mode 100644
index 1330d6a58c57..000000000000
--- a/include/asm-powerpc/pmac_pfunc.h
+++ /dev/null
@@ -1,252 +0,0 @@
-#ifndef __PMAC_PFUNC_H__
-#define __PMAC_PFUNC_H__
-
-#include <linux/types.h>
-#include <linux/list.h>
-
-/* Flags in command lists */
-#define PMF_FLAGS_ON_INIT 0x80000000u
-#define PMF_FLGAS_ON_TERM 0x40000000u
-#define PMF_FLAGS_ON_SLEEP 0x20000000u
-#define PMF_FLAGS_ON_WAKE 0x10000000u
-#define PMF_FLAGS_ON_DEMAND 0x08000000u
-#define PMF_FLAGS_INT_GEN 0x04000000u
-#define PMF_FLAGS_HIGH_SPEED 0x02000000u
-#define PMF_FLAGS_LOW_SPEED 0x01000000u
-#define PMF_FLAGS_SIDE_EFFECTS 0x00800000u
-
-/*
- * Arguments to a platform function call.
- *
- * NOTE: By convention, pointer arguments point to an u32
- */
-struct pmf_args {
- union {
- u32 v;
- u32 *p;
- } u[4];
- unsigned int count;
-};
-
-/*
- * A driver capable of interpreting commands provides a handlers
- * structure filled with whatever handlers are implemented by this
- * driver. Non implemented handlers are left NULL.
- *
- * PMF_STD_ARGS are the same arguments that are passed to the parser
- * and that gets passed back to the various handlers.
- *
- * Interpreting a given function always start with a begin() call which
- * returns an instance data to be passed around subsequent calls, and
- * ends with an end() call. This allows the low level driver to implement
- * locking policy or per-function instance data.
- *
- * For interrupt capable functions, irq_enable() is called when a client
- * registers, and irq_disable() is called when the last client unregisters
- * Note that irq_enable & irq_disable are called within a semaphore held
- * by the core, thus you should not try to register yourself to some other
- * pmf interrupt during those calls.
- */
-
-#define PMF_STD_ARGS struct pmf_function *func, void *instdata, \
- struct pmf_args *args
-
-struct pmf_function;
-
-struct pmf_handlers {
- void * (*begin)(struct pmf_function *func, struct pmf_args *args);
- void (*end)(struct pmf_function *func, void *instdata);
-
- int (*irq_enable)(struct pmf_function *func);
- int (*irq_disable)(struct pmf_function *func);
-
- int (*write_gpio)(PMF_STD_ARGS, u8 value, u8 mask);
- int (*read_gpio)(PMF_STD_ARGS, u8 mask, int rshift, u8 xor);
-
- int (*write_reg32)(PMF_STD_ARGS, u32 offset, u32 value, u32 mask);
- int (*read_reg32)(PMF_STD_ARGS, u32 offset);
- int (*write_reg16)(PMF_STD_ARGS, u32 offset, u16 value, u16 mask);
- int (*read_reg16)(PMF_STD_ARGS, u32 offset);
- int (*write_reg8)(PMF_STD_ARGS, u32 offset, u8 value, u8 mask);
- int (*read_reg8)(PMF_STD_ARGS, u32 offset);
-
- int (*delay)(PMF_STD_ARGS, u32 duration);
-
- int (*wait_reg32)(PMF_STD_ARGS, u32 offset, u32 value, u32 mask);
- int (*wait_reg16)(PMF_STD_ARGS, u32 offset, u16 value, u16 mask);
- int (*wait_reg8)(PMF_STD_ARGS, u32 offset, u8 value, u8 mask);
-
- int (*read_i2c)(PMF_STD_ARGS, u32 len);
- int (*write_i2c)(PMF_STD_ARGS, u32 len, const u8 *data);
- int (*rmw_i2c)(PMF_STD_ARGS, u32 masklen, u32 valuelen, u32 totallen,
- const u8 *maskdata, const u8 *valuedata);
-
- int (*read_cfg)(PMF_STD_ARGS, u32 offset, u32 len);
- int (*write_cfg)(PMF_STD_ARGS, u32 offset, u32 len, const u8 *data);
- int (*rmw_cfg)(PMF_STD_ARGS, u32 offset, u32 masklen, u32 valuelen,
- u32 totallen, const u8 *maskdata, const u8 *valuedata);
-
- int (*read_i2c_sub)(PMF_STD_ARGS, u8 subaddr, u32 len);
- int (*write_i2c_sub)(PMF_STD_ARGS, u8 subaddr, u32 len, const u8 *data);
- int (*set_i2c_mode)(PMF_STD_ARGS, int mode);
- int (*rmw_i2c_sub)(PMF_STD_ARGS, u8 subaddr, u32 masklen, u32 valuelen,
- u32 totallen, const u8 *maskdata,
- const u8 *valuedata);
-
- int (*read_reg32_msrx)(PMF_STD_ARGS, u32 offset, u32 mask, u32 shift,
- u32 xor);
- int (*read_reg16_msrx)(PMF_STD_ARGS, u32 offset, u32 mask, u32 shift,
- u32 xor);
- int (*read_reg8_msrx)(PMF_STD_ARGS, u32 offset, u32 mask, u32 shift,
- u32 xor);
-
- int (*write_reg32_slm)(PMF_STD_ARGS, u32 offset, u32 shift, u32 mask);
- int (*write_reg16_slm)(PMF_STD_ARGS, u32 offset, u32 shift, u32 mask);
- int (*write_reg8_slm)(PMF_STD_ARGS, u32 offset, u32 shift, u32 mask);
-
- int (*mask_and_compare)(PMF_STD_ARGS, u32 len, const u8 *maskdata,
- const u8 *valuedata);
-
- struct module *owner;
-};
-
-
-/*
- * Drivers who expose platform functions register at init time, this
- * causes the platform functions for that device node to be parsed in
- * advance and associated with the device. The data structures are
- * partially public so a driver can walk the list of platform functions
- * and eventually inspect the flags
- */
-struct pmf_device;
-
-struct pmf_function {
- /* All functions for a given driver are linked */
- struct list_head link;
-
- /* Function node & driver data */
- struct device_node *node;
- void *driver_data;
-
- /* For internal use by core */
- struct pmf_device *dev;
-
- /* The name is the "xxx" in "platform-do-xxx", this is how
- * platform functions are identified by this code. Some functions
- * only operate for a given target, in which case the phandle is
- * here (or 0 if the filter doesn't apply)
- */
- const char *name;
- u32 phandle;
-
- /* The flags for that function. You can have several functions
- * with the same name and different flag
- */
- u32 flags;
-
- /* The actual tokenized function blob */
- const void *data;
- unsigned int length;
-
- /* Interrupt clients */
- struct list_head irq_clients;
-
- /* Refcounting */
- struct kref ref;
-};
-
-/*
- * For platform functions that are interrupts, one can register
- * irq_client structures. You canNOT use the same structure twice
- * as it contains a link member. Also, the callback is called with
- * a spinlock held, you must not call back into any of the pmf_* functions
- * from within that callback
- */
-struct pmf_irq_client {
- void (*handler)(void *data);
- void *data;
- struct module *owner;
- struct list_head link;
- struct pmf_function *func;
-};
-
-
-/*
- * Register/Unregister a function-capable driver and its handlers
- */
-extern int pmf_register_driver(struct device_node *np,
- struct pmf_handlers *handlers,
- void *driverdata);
-
-extern void pmf_unregister_driver(struct device_node *np);
-
-
-/*
- * Register/Unregister interrupt clients
- */
-extern int pmf_register_irq_client(struct device_node *np,
- const char *name,
- struct pmf_irq_client *client);
-
-extern void pmf_unregister_irq_client(struct pmf_irq_client *client);
-
-/*
- * Called by the handlers when an irq happens
- */
-extern void pmf_do_irq(struct pmf_function *func);
-
-
-/*
- * Low level call to platform functions.
- *
- * The phandle can filter on the target object for functions that have
- * multiple targets, the flags allow you to restrict the call to a given
- * combination of flags.
- *
- * The args array contains as many arguments as is required by the function,
- * this is dependent on the function you are calling, unfortunately Apple
- * mechanism provides no way to encode that so you have to get it right at
- * the call site. Some functions require no args, in which case, you can
- * pass NULL.
- *
- * You can also pass NULL to the name. This will match any function that has
- * the appropriate combination of flags & phandle or you can pass 0 to the
- * phandle to match any
- */
-extern int pmf_do_functions(struct device_node *np, const char *name,
- u32 phandle, u32 flags, struct pmf_args *args);
-
-
-
-/*
- * High level call to a platform function.
- *
- * This one looks for the platform-xxx first so you should call it to the
- * actual target if any. It will fallback to platform-do-xxx if it can't
- * find one. It will also exclusively target functions that have
- * the "OnDemand" flag.
- */
-
-extern int pmf_call_function(struct device_node *target, const char *name,
- struct pmf_args *args);
-
-
-/*
- * For low latency interrupt usage, you can lookup for on-demand functions
- * using the functions below
- */
-
-extern struct pmf_function *pmf_find_function(struct device_node *target,
- const char *name);
-
-extern struct pmf_function * pmf_get_function(struct pmf_function *func);
-extern void pmf_put_function(struct pmf_function *func);
-
-extern int pmf_call_one(struct pmf_function *func, struct pmf_args *args);
-
-
-/* Suspend/resume code called by via-pmu directly for now */
-extern void pmac_pfunc_base_suspend(void);
-extern void pmac_pfunc_base_resume(void);
-
-#endif /* __PMAC_PFUNC_H__ */