genode/repos/dde_linux/src/drivers/framebuffer/imx8/include/lx_emul.h

1754 lines
43 KiB
C

/*
* \brief Emulation of the Linux kernel API used by DRM
* \author Norman Feske
* \date 2015-08-19
*
* The content of this file, in particular data structures, is partially
* derived from Linux-internal headers.
*/
#ifndef _LX_EMUL_H_
#define _LX_EMUL_H_
#define DEBUG_LINUX_PRINTK 0
#define DEBUG_DRIVER 0
/* XXX: acquire from firmware if this becomes necessary */
#define SOC_REVISION 0x20
#include <stdarg.h>
#include <base/fixed_stdint.h>
#include <lx_emul/extern_c_begin.h>
#include <lx_emul/irq.h> /* dependency of lx_kit/irq.h */
#include <lx_emul/atomic.h> /* dependency of lx_emul/work.h */
#include <lx_emul/compiler.h> /* dependency of lx_emul/kernel.h */
#include <lx_emul/printf.h> /* dependency of lx_emul/kernel.h */
#include <lx_emul/kernel.h> /* dependency of lx_emul/jiffies.h */
#include <lx_emul/types.h> /* dependency of lx_emul/jiffies.h */
/*****************
** asm/param.h **
*****************/
enum { HZ = 100UL }; /* dependency of lx_emul/jiffies.h */
#include <lx_emul/jiffies.h> /* dependency of lx_emul/time.h */
#include <lx_emul/time.h> /* dependency of lx_emul/timer.h */
/*******************
** linux/timer.h **
*******************/
typedef int clockid_t; /* dependency of lx_emul/timer.h */
#define from_timer(var, callback_timer, timer_fieldname) \
container_of(callback_timer, typeof(*var), timer_fieldname)
struct timer_list;
void setup_timer(struct timer_list *timer, void (*function)(unsigned long),
unsigned long data);
#include <lx_emul/timer.h> /* dependency of lx_emul/work.h */
#include <lx_emul/bitops.h> /* dependency of lx_emul/work.h */
/***********************
** linux/interrupt.h **
***********************/
#define IRQF_TRIGGER_RISING 0x00000001
#define IRQF_TRIGGER_HIGH 0x00000004
#define IRQF_ONESHOT 0x00002000
struct tasklet_struct /* dependency of lx_kit/work.h */
{
unsigned long state;
void (*func)(unsigned long);
unsigned long data;
};
struct device;
int devm_request_irq(struct device *dev, unsigned int irq,
irq_handler_t handler,
unsigned long irqflags,
const char *devname, void *dev_id);
int devm_request_threaded_irq(struct device *dev, unsigned int irq,
irq_handler_t handler, irq_handler_t thread_fn,
unsigned long irqflags, const char *devname,
void *dev_id);
#include <lx_emul/spinlock.h> /* dependency of lx_emul/work.h */
#include <lx_emul/work.h> /* dependency of lx_kit/work.h */
#include <lx_emul/mutex.h> /* dependency of lx_emul/kobject.h */
#include <lx_emul/kobject.h>
#include <lx_emul/completion.h>
#include <lx_emul/errno.h>
#include <lx_emul/barrier.h>
#include <lx_emul/bug.h>
#include <lx_emul/gfp.h>
#include <lx_emul/ioport.h>
#include <lx_emul/module.h>
#include <lx_emul/pm.h>
#include <lx_emul/scatterlist.h>
#include <lx_emul/semaphore.h>
#include <lx_emul/string.h>
LX_MUTEX_INIT_DECLARE(component_mutex);
#define component_mutex LX_MUTEX(component_mutex)
/**********************
** asm-generic/io.h **
**********************/
static inline u32 __raw_readl(const volatile void __iomem *addr)
{
return *(const volatile u32 __force *) addr;
}
static inline void __raw_writel(u32 b, volatile void __iomem *addr)
{
*(volatile u32 __force *) addr = b;
}
/***************************************
** drivers/gpu/drm/imx/hdp/imx-hdp.h **
***************************************/
void imx_hdp_register_audio_driver(struct device *dev);
/********************
** linux/module.h **
********************/
#define arch_initcall(fn) module_init(fn)
/********************
** linux/percpu.h **
********************/
void __percpu *__alloc_percpu(size_t size, size_t align);
void free_percpu(void __percpu *__pdata);
/*************************
** linux/timekeeping.h **
*************************/
ktime_t ktime_mono_to_real(ktime_t mono);
/********************************
** soc/imx8/sc/svc/misc/api.h **
********************************/
#include <soc/imx8/soc.h>
#include <soc/imx8/sc/types.h>
sc_err_t sc_misc_set_control(sc_ipc_t ipc, sc_rsrc_t resource,
sc_ctrl_t ctrl, uint32_t val);
/************************
** uapi/linux/types.h **
************************/
typedef __u16 __le16;
typedef __u32 __le32;
typedef __u64 __le64;
typedef __u64 __be64;
/********************
** linux/printk.h **
********************/
/* needed by drm_edid.c */
enum { DUMP_PREFIX_NONE, };
void print_hex_dump(const char *level, const char *prefix_str,
int prefix_type, int rowsize, int groupsize,
const void *buf, size_t len, bool ascii);
#define printk_once(fmt, ...) ({})
/***********************
** linux/sync_file.h **
***********************/
struct sync_file {
struct file *file;
};
struct dma_fence;
struct dma_fence *sync_file_get_fence(int);
struct sync_file *sync_file_create(struct dma_fence *);
/*******************
** linux/ctype.h **
*******************/
#define isascii(c) (((unsigned char)(c))<=0x7f)
#define isprint(c) (isascii(c) && ((unsigned char)(c) >= 32))
/****************
** asm/page.h **
****************/
/*
* For now, hardcoded
*/
#define PAGE_SIZE 4096UL
enum {
PAGE_SHIFT = 12,
};
struct page
{
atomic_t _count;
void *addr;
dma_addr_t paddr;
} __attribute((packed));
extern unsigned long find_next_bit(const unsigned long *addr, unsigned long
size, unsigned long offset);
extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned
long size, unsigned long offset);
#define find_first_bit(addr, size) find_next_bit((addr), (size), 0)
#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)
#define __const_hweight8(w) \
( (!!((w) & (1ULL << 0))) + \
(!!((w) & (1ULL << 1))) + \
(!!((w) & (1ULL << 2))) + \
(!!((w) & (1ULL << 3))) + \
(!!((w) & (1ULL << 4))) + \
(!!((w) & (1ULL << 5))) + \
(!!((w) & (1ULL << 6))) + \
(!!((w) & (1ULL << 7))) )
#define hweight16(w) (__const_hweight8(w) + __const_hweight8((w) >> 8 ))
#define hweight32(w) (hweight16(w) + hweight16((w) >> 16))
#define hweight64(w) (hweight32(w) + hweight32((w) >> 32))
#define GENMASK(h, l) \
(((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
/* needed by 'virt_to_phys', which is needed by agp/generic.c */
typedef unsigned long phys_addr_t;
void *memchr_inv(const void *s, int c, size_t n);
/**********************
** linux/compiler.h **
**********************/
static inline void __read_once_size(const volatile void *p, void *res, int size)
{
switch (size) {
case 1: *(__u8 *)res = *(volatile __u8 *)p; break;
case 2: *(__u16 *)res = *(volatile __u16 *)p; break;
case 4: *(__u32 *)res = *(volatile __u32 *)p; break;
case 8: *(__u64 *)res = *(volatile __u64 *)p; break;
default:
barrier();
__builtin_memcpy((void *)res, (const void *)p, size);
barrier();
}
}
/* dependency of lx_emul/list.h */
#ifdef __cplusplus
#define READ_ONCE(x) \
({ \
barrier(); \
x; \
})
#else
#define READ_ONCE(x) \
({ \
union { typeof(x) __val; char __c[1]; } __u; \
__read_once_size(&(x), __u.__c, sizeof(x)); \
__u.__val; \
})
#endif
#include <lx_emul/list.h>
#define ULLONG_MAX (~0ULL)
#define SIZE_MAX (~(size_t)0)
#define U64_MAX ((u64)~0ULL)
extern long simple_strtol(const char *,char **,unsigned int);
/****************************
** kernel/printk/printk.c **
****************************/
extern int oops_in_progress;
#define pr_debug(fmt, ...) printk(KERN_INFO fmt, ##__VA_ARGS__)
#define pr_info(fmt, ...) printk(KERN_INFO fmt, ##__VA_ARGS__)
#define pr_err(fmt, ...) printk(KERN_ERR fmt, ##__VA_ARGS__)
#define pr_warn(fmt, ...) printk(KERN_ERR fmt, ##__VA_ARGS__)
#define pr_notice(fmt, ...) printk(KERN_NOTICE fmt, ##__VA_ARGS__)
int sprintf(char *buf, const char *fmt, ...);
int snprintf(char *buf, size_t size, const char *fmt, ...);
int sscanf(const char *, const char *, ...);
enum { SPRINTF_STR_LEN = 64 };
#define kasprintf(gfp, fmt, ...) ({ \
void *buf = kmalloc(SPRINTF_STR_LEN, 0); \
sprintf(buf, fmt, __VA_ARGS__); \
buf; \
})
#define DIV_ROUND_CLOSEST_ULL(x, divisor)( \
{ \
typeof(divisor) __d = divisor; \
unsigned long long _tmp = (x) + (__d) / 2; \
do_div(_tmp, __d); \
_tmp; \
} \
)
/* linux/i2c.h */
#define __deprecated
/* i2c-core.c */
#define postcore_initcall(fn) void postcore_##fn(void) { fn(); }
/**************************
** linux/preempt_mask.h **
**************************/
/* needed bu i2c-core.c */
bool in_atomic();
void preempt_enable(void);
void preempt_disable(void);
/**********************
** linux/irqflags.h **
**********************/
/* needed by drmP.h */
bool irqs_disabled();
/********************
** linux/kernel.h **
********************/
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
#define u64_to_user_ptr(x) ({ \
(void __user *)(uintptr_t)x; \
})
char *kvasprintf(gfp_t, const char *, va_list);
/******************
** linux/kref.h **
******************/
struct kref;
unsigned int kref_read(const struct kref*);
LX_MUTEX_INIT_DECLARE(bridge_lock);
LX_MUTEX_INIT_DECLARE(core_lock);
#define bridge_lock LX_MUTEX(bridge_lock)
#define core_lock LX_MUTEX(core_lock)
void might_lock(struct mutex *);
/*********************
** linux/rtmutex.h **
*********************/
#define rt_mutex mutex
#define rt_mutex_init(m) mutex_init(m)
#define rt_mutex_lock(m) mutex_lock(m)
#define rt_mutex_lock_nested(lock, subclass) rt_mutex_lock(lock)
#define rt_mutex_trylock(m) mutex_trylock(m)
#define rt_mutex_unlock(m) mutex_unlock(m)
/*********************
** linux/ww_mutex.h **
*********************/
struct ww_acquire_ctx { unsigned dummy; };
struct ww_class { int dummy; };
struct ww_mutex {
bool locked;
struct ww_acquire_ctx *ctx;
};
#define DEFINE_WW_CLASS(classname) \
struct ww_class classname;
#ifndef CONFIG_DEBUG_OBJECTS_WORK
#define INIT_WORK_ONSTACK(_work, _func) while(0) { }
static inline void destroy_work_on_stack(struct work_struct *work) { }
#endif
/*******************
** linux/sched.h **
*******************/
enum {
TASK_RUNNING = 0x0,
TASK_INTERRUPTIBLE = 0x1,
TASK_UNINTERRUPTIBLE = 0x2,
TASK_NORMAL = TASK_INTERRUPTIBLE | TASK_UNINTERRUPTIBLE,
};
#define MAX_SCHEDULE_TIMEOUT LONG_MAX
struct task_struct {
char comm[16]; /* only for debug output */
};
signed long schedule_timeout(signed long timeout);
void __set_current_state(int state);
int signal_pending(struct task_struct *p);
int wake_up_state(struct task_struct *tsk, unsigned int state);
/* normally defined in asm/current.h, included by sched.h */
extern struct task_struct *current;
void set_current_state(int);
/************************
** linux/completion.h **
************************/
struct completion {
unsigned done;
void * task;
};
long __wait_completion(struct completion *work, unsigned long);
void reinit_completion(struct completion *work);
/*********************
** asm/processor.h **
*********************/
void cpu_relax(void);
/*******************
** linux/delay.h **
*******************/
void msleep(unsigned int);
void udelay(unsigned long);
void mdelay(unsigned long);
void ndelay(unsigned long);
void usleep_range(unsigned long min, unsigned long max);
/************************
** asm/memory_model.h **
************************/
dma_addr_t page_to_pfn(struct page *page);
/*********************
** linux/pagemap.h **
*********************/
struct address_space {
unsigned long flags;
struct page * my_page;
};
gfp_t mapping_gfp_constraint(struct address_space *mapping, gfp_t gfp_mask);
/******************
** linux/swap.h **
******************/
void mark_page_accessed(struct page *);
/***************************
** linux/pgtable_types.h **
***************************/
typedef unsigned long pgprotval_t;
struct pgprot { pgprotval_t pgprot; };
typedef struct pgprot pgprot_t;
extern pgprot_t pgprot_writecombine(pgprot_t prot);
extern pgprot_t pgprot_decrypted(pgprot_t prot);
/**********************
** linux/mm_types.h **
**********************/
struct vm_operations_struct;
struct vm_area_struct {
unsigned long vm_start;
unsigned long vm_end;
pgprot_t vm_page_prot;
unsigned long vm_flags;
const struct vm_operations_struct *vm_ops;
unsigned long vm_pgoff;
void *vm_private_data;
};
/****************
** linux/mm.h **
****************/
enum {
VM_WRITE = 0x00000002,
VM_MAYWRITE = 0x00000020,
VM_PFNMAP = 0x00000400,
VM_IO = 0x00004000,
VM_DONTEXPAND = 0x00040000,
VM_NORESERVE = 0x00200000,
VM_DONTDUMP = 0x04000000,
};
struct vm_fault;
int set_page_dirty(struct page *page);
void put_page(struct page *page);
struct vm_area_struct;
struct vm_operations_struct {
void (*open)(struct vm_area_struct * area);
void (*close)(struct vm_area_struct * area);
int (*fault)(struct vm_fault *vmf);
};
void free_pages(unsigned long addr, unsigned int order);
pgprot_t vm_get_page_prot(unsigned long vm_flags);
void kvfree(const void *p);
void *kvmalloc_array(size_t, size_t, gfp_t);
void unmap_mapping_range(struct address_space *, loff_t const, loff_t const, int);
unsigned long vma_pages(struct vm_area_struct *);
/******************
** linux/slab.h **
******************/
#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
enum {
SLAB_RECLAIM_ACCOUNT = 0x00020000ul,
SLAB_PANIC = 0x00040000ul,
};
void *kzalloc(size_t size, gfp_t flags);
void *kvzalloc(size_t size, gfp_t flags);
void kfree(const void *);
void *kcalloc(size_t n, size_t size, gfp_t flags);
void *kmalloc(size_t size, gfp_t flags);
void *krealloc(const void *, size_t, gfp_t);
void *kmalloc_array(size_t n, size_t size, gfp_t flags);
void *kmalloc_node_track_caller(size_t size, gfp_t flags, int node);
struct kmem_cache;
struct kmem_cache *kmem_cache_create(const char *, size_t, size_t, unsigned long, void (*)(void *));
void kmem_cache_free(struct kmem_cache *, void *);
void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
/**********************
** linux/kmemleak.h **
**********************/
#ifndef CONFIG_DEBUG_KMEMLEAK
static inline void kmemleak_update_trace(const void *ptr) { }
#endif
/**********************
** linux/byteorder/ **
**********************/
#include <lx_emul/byteorder.h>
/******************
** linux/swab.h **
******************/
#define swab16 __swab16
/**********************
** linux/highmem.h **
**********************/
unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order);
/*************************
** linux/percpu-defs.h **
*************************/
#define DECLARE_PER_CPU(type, name) \
extern typeof(type) name
#define DEFINE_PER_CPU(type, name) \
typeof(type) name
#define this_cpu_xchg(pcp, nval) \
({ \
typeof(pcp) before = pcp; \
pcp = nval; \
before; \
})
#define this_cpu_ptr(ptr) ptr
#define this_cpu_read(val) val
#define per_cpu(var, cpu) var
#define this_cpu_cmpxchg(pcp, oval, nval) \
cmpxchg(&pcp, oval, nval)
#define cpuhp_setup_state_nocalls(a, b, c, d) 0
/******************
** linux/gfp.h **
******************/
#define __GFP_BITS_SHIFT (25 + IS_ENABLED(CONFIG_LOCKDEP))
#define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
{
return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
}
/*********************
** linux/dma-buf.h **
*********************/
struct dma_buf;
void dma_buf_put(struct dma_buf *);
struct dma_buf {
size_t size;
void *priv;
struct reservation_object *resv;
};
struct dma_buf_attachment {
struct dma_buf *dmabuf;
};
/********************
** linux/pm_qos.h **
********************/
struct pm_qos_request { int dummy; };
/***********************
** linux/pm_wakeup.h **
***********************/
int device_init_wakeup(struct device *dev, bool val);
/*******************
** linux/sysfs.h **
*******************/
struct attribute { int dummy; };
struct attribute_group {
struct attribute **attrs;
};
#define __ATTRIBUTE_GROUPS(_name) \
static const struct attribute_group *_name##_groups[] = { \
&_name##_group, \
NULL, \
}
#define ATTRIBUTE_GROUPS(_name) \
static const struct attribute_group _name##_group = { \
.attrs = _name##_attrs, \
}; \
__ATTRIBUTE_GROUPS(_name)
/****************
** linux/pm.h **
****************/
#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) struct dev_pm_ops name;
struct dev_pm_domain;
enum rpm_status {
RPM_ACTIVE = 0,
RPM_SUSPENDED,
};
/***********************
** linux/pm_domain.h **
***********************/
static inline int dev_pm_domain_attach(struct device *dev, bool power_on) {
return -ENODEV; }
static inline void dev_pm_domain_detach(struct device *dev, bool power_off) {}
/******************
** linux/numa.h **
******************/
enum { NUMA_NO_NODE = -1 };
/********************
** linux/device.h **
********************/
struct device_driver;
struct subsys_private;
struct bus_type
{
const char *name;
int (*match)(struct device *dev, struct device_driver *drv);
int (*probe)(struct device *dev);
int (*remove)(struct device *dev);
void (*shutdown)(struct device *dev);
int (*suspend)(struct device *dev, pm_message_t state);
int (*resume)(struct device *dev);
const struct dev_pm_ops *pm;
struct subsys_private *p;
};
struct device_type
{
const struct attribute_group **groups;
int (*uevent)(struct device *dev, struct kobj_uevent_env *env);
void (*release)(struct device *dev);
};
struct dev_archdata
{
struct dma_map_ops *dma_ops;
};
struct fwnode_operations { int dummy; };
struct fwnode_handle {
const struct fwnode_operations *ops;
};
struct device {
const char *name;
struct device *parent;
struct kobject kobj;
u64 _dma_mask_buf;
u64 *dma_mask;
u64 coherent_dma_mask;
struct device_driver *driver;
void *drvdata; /* not in Linux */
const struct device_type *type;
void *platform_data;
void *driver_data;
struct dev_pm_info power;
struct dev_archdata archdata;
struct bus_type *bus;
struct device_node *of_node;
struct fwnode_handle *fwnode;
spinlock_t devres_lock;
struct list_head devres_head;
};
static inline const char *dev_name(const struct device *dev)
{
return dev->name;
}
struct device_attribute {
struct attribute attr;
};
#define DEVICE_ATTR(_name, _mode, _show, _store) \
struct device_attribute dev_attr_##_name = { { 0 } }
#define DEVICE_ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) \
struct device_attribute dev_attr_##_name = { { 0 } }
#define dev_info( dev, format, arg...) lx_printf("dev_info: " format , ## arg)
#define dev_warn( dev, format, arg...) lx_printf("dev_warn: " format , ## arg)
#define dev_err( dev, format, arg...) lx_printf("dev_error: " format , ## arg)
#define dev_printk(level, dev, format, arg...) \
lx_printf("dev_printk: " format , ## arg)
#define dev_dbg(dev, format, arg...) \
lx_printf("dev_dbg: " format, ## arg)
#define dev_err_ratelimited(dev, fmt, ...) \
dev_err(dev, fmt, ##__VA_ARGS__)
struct device_driver
{
char const *name;
struct bus_type *bus;
struct module *owner;
const struct of_device_id *of_match_table;
const struct acpi_device_id *acpi_match_table;
const struct dev_pm_ops *pm;
int (*probe) (struct device *dev);
};
int driver_register(struct device_driver *drv);
void driver_unregister(struct device_driver *drv);
static inline void *dev_get_drvdata(const struct device *dev)
{
return dev->driver_data;
}
static inline void dev_set_drvdata(struct device *dev, void *data)
{
dev->driver_data = data;
}
int dev_set_name(struct device *dev, const char *name, ...);
int bus_register(struct bus_type *bus);
void bus_unregister(struct bus_type *bus);
struct device *get_device(struct device *dev);
void put_device(struct device *dev);
int device_for_each_child(struct device *dev, void *data, int (*fn)(struct device *dev, void *data));
int device_add(struct device *dev);
int device_register(struct device *dev);
void device_unregister(struct device *dev);
const char *dev_name(const struct device *dev);
int bus_for_each_drv(struct bus_type *bus, struct device_driver *start,
void *data, int (*fn)(struct device_driver *, void *));
int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data,
int (*fn)(struct device *dev, void *data));
/* needed by linux/i2c.h */
struct acpi_device;
void devm_kfree(struct device *dev, void *p);
void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp);
typedef void (*dr_release_t)(struct device *dev, void *res);
typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data);
void devres_add(struct device *dev, void *res);
void *devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, int nid);
static inline void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp)
{
return devres_alloc_node(release, size, gfp, NUMA_NO_NODE);
}
void devres_close_group(struct device *dev, void *id);
void *devres_open_group(struct device *dev, void *id, gfp_t gfp);
int devres_release_group(struct device *dev, void *id);
void devres_remove_group(struct device *dev, void *id);
int dev_to_node(struct device *dev);
/****************
** linux/io.h **
****************/
#define writel(value, addr) (*(volatile uint32_t *)(addr) = (value))
#define readl(addr) (*(volatile uint32_t *)(addr))
#define readl_relaxed readl
#define writel_relaxed(v, a) writel(v, a)
void memset_io(void *s, int c, size_t n);
void *devm_ioremap(struct device *dev, resource_size_t offset,
unsigned long size);
void *devm_ioremap_resource(struct device *dev, struct resource *res);
/*********************
** linux/uaccess.h **
*********************/
#define get_user(x, ptr) ({ (x) = *(ptr); 0; })
#define put_user(x, ptr) ({ *(ptr) = (x); 0; })
size_t copy_from_user(void *to, void const *from, size_t len);
size_t copy_to_user(void *dst, void const *src, size_t len);
/*************************
** linux/dma-mapping.h **
*************************/
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
{
dev->coherent_dma_mask = mask;
return 0;
}
int dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs);
#define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, 0)
void *dma_alloc_wc(struct device *dev, size_t size,
dma_addr_t *dma_addr, gfp_t gfp);
void dma_free_wc(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_addr);
int dma_mmap_wc(struct device *dev,
struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr,
size_t size);
void *dmam_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp);
void dmam_free_coherent(struct device *dev, size_t size, void *vaddr,
dma_addr_t dma_handle);
/********************
** linux/ioport.h **
********************/
#define IORESOURCE_BITS 0x000000ff
/********************
** linux/of_irq.h **
********************/
extern int of_irq_get(struct device_node *dev, int index);
extern int of_irq_get_byname(struct device_node *dev, const char *name);
struct irq_data *irq_get_irq_data(unsigned int);
/*****************
** linux/irq.h **
*****************/
#include <linux/irqhandler.h>
struct irq_chip {
struct device *parent_device;
const char *name;
void (*irq_ack)(struct irq_data *data);
void (*irq_mask)(struct irq_data *data);
void (*irq_mask_ack)(struct irq_data *data);
void (*irq_unmask)(struct irq_data *data);
void (*irq_eoi)(struct irq_data *data);
};
struct irq_data {
unsigned long hwirq;
struct irq_chip *chip;
void *chip_data;
};
void irq_chip_eoi_parent(struct irq_data *data);
struct irq_common_data {
void *handler_data;
};
struct irq_desc;
void handle_level_irq(struct irq_desc *desc);
void irqd_set_trigger_type(struct irq_data *, u32);
void irq_set_chip_and_handler(unsigned int, struct irq_chip *,
irq_flow_handler_t);
int irq_set_chip_data(unsigned int irq, void *data);
extern struct irq_chip dummy_irq_chip;
void handle_simple_irq(struct irq_desc *);
enum {
IRQ_NOAUTOEN = (1 << 12),
};
void irq_set_chained_handler_and_data(unsigned int irq,
irq_flow_handler_t handle,
void *data);
void irq_set_status_flags(unsigned int irq, unsigned long set);
/************************
** linux/capability.h **
************************/
#define CAP_SYS_ADMIN 21
bool capable(int);
/**********************
** linux/notifier.h **
**********************/
struct notifier_block { int dummy; };
/****************
** linux/fs.h **
****************/
struct inode {
const struct inode_operations *i_op;
struct address_space *i_mapping;
};
struct file
{
atomic_long_t f_count;
struct inode *f_inode;
struct address_space *f_mapping;
void *private_data;
};
struct poll_table_struct;
/* drm_gem_cma_helper.h */
struct file_operations {
struct module *owner;
loff_t (*llseek) (struct file *, loff_t, int);
ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
unsigned int (*poll) (struct file *, struct poll_table_struct *);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
int (*mmap) (struct file *, struct vm_area_struct *);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
int (*open) (struct inode *, struct file *);
int (*release) (struct inode *, struct file *);
};
loff_t noop_llseek(struct file *file, loff_t offset, int whence);
/*******************
** linux/types.h **
*******************/
struct rcu_head { int dummy; };
typedef unsigned long irq_hw_number_t;
/*********************
** linux/seqlock.h **
*********************/
typedef unsigned seqlock_t;
void seqlock_init (seqlock_t *);
void write_seqlock(seqlock_t *);
void write_sequnlock(seqlock_t *);
unsigned read_seqbegin(const seqlock_t *);
unsigned read_seqretry(const seqlock_t *, unsigned);
/*************************
** linux/reservation.h **
*************************/
struct reservation_object {
struct dma_fence *fence_excl;
};
struct dma_fence * reservation_object_get_excl_rcu(struct reservation_object *);
/**********************
** linux/shmem_fs.h **
**********************/
extern struct page *shmem_read_mapping_page( struct address_space *mapping, pgoff_t index);
struct file *shmem_file_setup(const char *, loff_t, unsigned long);
/*****************
** linux/i2c.h **
*****************/
enum i2c_slave_event { DUMMY };
/****************
** linux/of.h **
****************/
int of_alias_get_id(struct device_node *np, const char *stem);
struct device_node *of_node_get(struct device_node *node);
void of_node_put(struct device_node *);
int of_property_match_string(const struct device_node *, const char *,
const char *);
int of_property_read_u32_index(const struct device_node *, const char *, u32,
u32 *);
#define for_each_child_of_node(parent, child) \
for (child = of_get_next_child(parent, NULL); child != NULL; \
child = of_get_next_child(parent, child))
struct property {
const char * name;
void * value;
struct property * next;
};
struct device_node {
const char *name;
const char *full_name;
struct fwnode_handle fwnode;
struct property *properties;
struct device_node *parent;
};
bool of_device_is_available(const struct device_node *device);
int of_device_is_compatible(const struct device_node *device,
const char *compat);
extern struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev);
struct device_node *of_get_parent(const struct device_node *node);
const void *of_get_property(const struct device_node *node, const char *name, int *lenp);
struct device_node *of_parse_phandle(const struct device_node *np,
const char *phandle_name, int index);
bool of_property_read_bool(const struct device_node *np, const char *propname);
int of_property_read_string(const struct device_node *np, const char *propname,
const char **out_string);
int of_property_read_u32(const struct device_node *np, const char *propname, u32 *out_value);
bool is_of_node(const struct fwnode_handle *fwnode);
#define to_of_node(__fwnode) \
({ \
typeof(__fwnode) __to_of_node_fwnode = (__fwnode); \
\
is_of_node(__to_of_node_fwnode) ? \
container_of(__to_of_node_fwnode, \
struct device_node, fwnode) : \
NULL; \
})
/***********************
** linux/of_device.h **
***********************/
const void *of_device_get_match_data(const struct device *dev);
const struct of_device_id *of_match_device(const struct of_device_id *matches,
const struct device *dev);
/******************
** linux/acpi.h **
******************/
bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv);
int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
int acpi_device_modalias(struct device *, char *, int);
#define ACPI_COMPANION(dev) (NULL)
const char *acpi_dev_name(struct acpi_device *adev);
int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
void acpi_device_clear_enumerated(struct acpi_device *);
int acpi_reconfig_notifier_register(struct notifier_block *);
int acpi_reconfig_notifier_unregister(struct notifier_block *);
/******************
** linux/gpio.h **
******************/
/* make these flag values available regardless of GPIO kconfig options */
#define GPIOF_DIR_OUT (0 << 0)
#define GPIOF_DIR_IN (1 << 0)
#define GPIOF_INIT_HIGH (1 << 1)
#define GPIOF_IN (GPIOF_DIR_IN)
#define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH)
#define GPIOF_OPEN_DRAIN (1 << 3)
void gpio_free(unsigned gpio);
int gpio_get_value(unsigned int gpio);
bool gpio_is_valid(int number);
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
void gpio_set_value(unsigned int gpio, int value);
/* needed by drivers/gpu/drm/drm_modes.c */
#include <linux/list_sort.h>
/**********************
** drm/drm_device.h **
**********************/
struct drm_device;
/******************
** linux/kgdb.h **
******************/
#define in_dbg_master() (0)
/*************************
** asm-generic/div64.h **
*************************/
#define do_div(n,base) ({ \
unsigned long __base = (base); \
unsigned long __rem; \
__rem = ((uint64_t)(n)) % __base; \
(n) = ((uint64_t)(n)) / __base; \
__rem; \
})
/****************
** linux/fb.h **
****************/
extern int fb_get_options(const char *name, char **option);
/****************************
** drm/drm_modeset_lock.h **
****************************/
void ww_mutex_init(struct ww_mutex *lock, struct ww_class *ww_class);
bool ww_mutex_is_locked(struct ww_mutex *lock);
int ww_mutex_trylock(struct ww_mutex *lock);
void ww_acquire_fini(struct ww_acquire_ctx *ctx);
void ww_acquire_init(struct ww_acquire_ctx *ctx, struct ww_class *ww_class);
int ww_mutex_lock_slow_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx);
void ww_mutex_unlock(struct ww_mutex *lock);
int ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx);
void ww_mutex_lock_slow(struct ww_mutex *lock, struct ww_acquire_ctx *ctx);
int ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx);
/************************
** linux/jump_label.h **
************************/
struct static_key { int dummy; };
#define STATIC_KEY_INIT_FALSE { .dummy = 0 }
extern void static_key_slow_inc(struct static_key *key);
extern void static_key_slow_dec(struct static_key *key);
extern bool static_key_false(struct static_key *key);
/**********************
** linux/seq_file.h **
**********************/
struct seq_file { unsigned dummy; };
void seq_printf(struct seq_file *m, const char *fmt, ...);
void seq_puts(struct seq_file *m, const char *s);
/*********************
** linux/clk/clk.h **
*********************/
struct clk
{
const char * name;
unsigned long rate;
};
struct clk *devm_clk_get(struct device *dev, const char *id);
void clk_disable_unprepare(struct clk *clk);
struct clk *clk_get_parent(struct clk *clk);
unsigned long clk_get_rate(struct clk * clk);
bool clk_is_match(const struct clk *p, const struct clk *q);
int clk_prepare_enable(struct clk *clk);
int clk_set_parent(struct clk *clk, struct clk *parent);
int clk_set_rate(struct clk *clk, unsigned long rate);
/**************************
** linux/clk/clk-conf.h **
**************************/
static inline int of_clk_set_defaults(struct device_node *node, bool clk_supplier) {
return 0; }
/****************
** linux/of.h **
****************/
enum {
OF_POPULATED = 3,
};
void of_node_clear_flag(struct device_node *n, unsigned long flag);
extern int of_alias_get_highest_id(const char *stem);
static inline int of_reconfig_notifier_register(struct notifier_block *nb) {
return -EINVAL; }
static inline int of_reconfig_notifier_unregister(struct notifier_block *nb) {
return -EINVAL; }
/*********************
** drm/drm_lease.h **
*********************/
struct drm_file;
bool drm_lease_held(struct drm_file *, int);
bool _drm_lease_held(struct drm_file *, int);
uint32_t drm_lease_filter_crtcs(struct drm_file *, uint32_t);
/********************
** linux/rwlock.h **
********************/
typedef unsigned long rwlock_t;
void rwlock_init(rwlock_t *);
void read_lock(rwlock_t *);
void read_unlock(rwlock_t *);
void write_lock(rwlock_t *);
void write_unlock(rwlock_t *);
/************************
** linux/tracepoint.h **
************************/
#define EXPORT_TRACEPOINT_SYMBOL(name)
void tracepoint_synchronize_unregister(void);
/*******************
** linux/ktime.h **
*******************/
#define ktime_to_ns(kt) kt
#define ktime_sub_ns(kt, nsval) ((kt) - (nsval))
static inline s64 timeval_to_ns(const struct timeval *tv)
{
return ((s64) tv->tv_sec * NSEC_PER_SEC) +
tv->tv_usec * NSEC_PER_USEC;
}
/***********************
** include/lockdep.h **
***********************/
#define MAX_LOCKDEP_SUBCLASSES 8UL
#define lockdep_assert_held(l) do { (void)(l); } while (0)
/********************
** linux/bitmap.h **
********************/
extern void bitmap_set(unsigned long *map, unsigned int start, int len);
#define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1)))
#define small_const_nbits(nbits) \
(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
static inline int bitmap_empty(const unsigned long *src, unsigned nbits)
{
if (small_const_nbits(nbits))
return ! (*src & BITMAP_LAST_WORD_MASK(nbits));
return find_first_bit(src, nbits) == nbits;
}
static inline int bitmap_full(const unsigned long *src, unsigned int nbits)
{
if (small_const_nbits(nbits))
return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));
return find_first_zero_bit(src, nbits) == nbits;
}
static inline void bitmap_fill(unsigned long *dst, unsigned int nbits)
{
unsigned int nlongs = BITS_TO_LONGS(nbits);
if (!small_const_nbits(nbits)) {
unsigned int len = (nlongs - 1) * sizeof(unsigned long);
memset(dst, 0xff, len);
}
dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits);
}
/*****************
** linux/err.h **
*****************/
int PTR_ERR_OR_ZERO(__force const void *ptr);
/*********************
** linux/preempt.h **
*********************/
#define in_interrupt() 1
/********************
* linux/property.h *
********************/
struct property_entry;
struct property_entry * property_entries_dup(const struct property_entry *);
int device_add_properties(struct device *, const struct property_entry *);
void device_remove_properties(struct device *);
int device_property_read_u32(struct device *, const char *, u32 *);
/**********************
** linux/rcupdate.h **
**********************/
#define kfree_rcu(ptr, offset) kfree(ptr)
#define rcu_access_pointer(p) p
#define rcu_assign_pointer(p, v) p = v
#define rcu_dereference(p) p
#define rcu_dereference_protected(p, c) p
#define rcu_dereference_raw(p) p
#define rcu_pointer_handoff(p) (p)
void call_rcu(struct rcu_head *, void (*)(struct rcu_head *));
/************************
** drm/drm_os_linux.h **
************************/
#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
do { \
DECLARE_WAITQUEUE(entry, current); \
unsigned long end = jiffies + (timeout); \
add_wait_queue(&(queue), &entry); \
\
for (;;) { \
__set_current_state(TASK_INTERRUPTIBLE); \
if (condition) \
break; \
if (time_after_eq(jiffies, end)) { \
ret = -EBUSY; \
break; \
} \
schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); \
if (signal_pending(current)) { \
ret = -EINTR; \
break; \
} \
} \
__set_current_state(TASK_RUNNING); \
remove_wait_queue(&(queue), &entry); \
} while (0)
/*********************
** drm/drm_sysfs.h **
*********************/
void drm_sysfs_hotplug_event(struct drm_device *);
/* XXX */
void put_unused_fd(unsigned int);
void fd_install(unsigned int, struct file *);
void fput(struct file *);
enum { O_CLOEXEC = 0xbadaffe };
int get_unused_fd_flags(unsigned);
/*********************
** linux/irqdesc.h **
*********************/
struct irq_desc {
struct irq_common_data irq_common_data;
struct irq_data irq_data;
irq_flow_handler_t handle_irq;
};
int generic_handle_irq(unsigned int);
static inline struct irq_chip *irq_desc_get_chip(struct irq_desc *desc)
{
return desc->irq_data.chip;
}
static inline void *irq_desc_get_handler_data(struct irq_desc *desc)
{
return desc->irq_common_data.handler_data;
}
/*******************
** Configuration **
*******************/
#define CONFIG_I2C 1
#define CONFIG_I2C_BOARDINFO 1
#define CONFIG_BASE_SMALL 0
#define CONFIG_IRQ_DOMAIN 1
#define CONFIG_MMU 1
#define CONFIG_OF 1
#define CONFIG_VIDEOMODE_HELPERS 1
/**************************
** Dummy trace funtions **
**************************/
#define trace_drm_vblank_event_delivered(...)
#define trace_drm_vblank_event_queued(...)
#define trace_drm_vblank_event(...)
#define trace_i2c_read(...)
#define trace_i2c_write(...)
#define trace_i2c_reply(...)
#define trace_i2c_result(...)
#define trace_dma_fence_enable_signal(...) while (0) { }
#define trace_dma_fence_init(...) while (0) { }
#define trace_dma_fence_signaled(...) while (0) { }
#define trace_dma_fence_destroy(...) while (0) { }
#define trace_dma_fence_wait_start(...) while (0) { }
#define trace_dma_fence_wait_end(...) while (0) { }
/***********************
** linux/interrupt.h **
***********************/
void enable_irq(unsigned int);
void disable_irq(unsigned int);
int disable_irq_nosync(unsigned int);
/*****************************
** linux/platform_device.h **
*****************************/
struct platform_device {
char *name;
int id;
struct device dev;
u32 num_resources;
struct resource *resource;
};
#define to_platform_device(x) container_of((x), struct platform_device, dev)
int platform_device_add(struct platform_device *pdev);
int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
struct platform_device *platform_device_alloc(const char *name, int id);
int platform_device_put(struct platform_device *pdev);
int platform_device_register(struct platform_device *);
void platform_device_unregister(struct platform_device *);
static inline void *platform_get_drvdata(const struct platform_device *pdev)
{
return pdev->dev.driver_data;
}
int platform_get_irq(struct platform_device *dev, unsigned int num);
int platform_get_irq_byname(struct platform_device *dev, const char *name);
struct resource *platform_get_resource(struct platform_device *pdev,
unsigned int type, unsigned int num);
struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, const char *);
static inline void platform_set_drvdata(struct platform_device *pdev,
void *data)
{
dev_set_drvdata(&pdev->dev, data);
}
struct platform_driver {
int (*probe)(struct platform_device *);
int (*remove)(struct platform_device *);
struct device_driver driver;
};
int platform_driver_register(struct platform_driver *);
void platform_driver_unregister(struct platform_driver *);
#define module_driver(__driver, __register, __unregister, ...) \
static int __init __driver##_init(void) \
{ \
return __register(&(__driver) , ##__VA_ARGS__); \
} \
module_init(__driver##_init); \
static void __exit __driver##_exit(void) \
{ \
__unregister(&(__driver) , ##__VA_ARGS__); \
} \
module_exit(__driver##_exit);
#define module_platform_driver(__platform_driver) \
module_driver(__platform_driver, platform_driver_register, \
platform_driver_unregister)
/***********************
** uapi/linux/uuid.h **
***********************/
typedef struct {
__u8 b[16];
} uuid_le;
/************************
** linux/cpuhotplug.h **
************************/
enum cpuhp_state {
CPUHP_RADIX_DEAD = 29,
};
/*******************
** linux/sizes.h **
*******************/
enum {
SZ_4K = 0x00001000,
SZ_16K = 0x00004000,
};
#include <lx_emul/extern_c_end.h>
#endif /* _LX_EMUL_H_ */