#ifndef __CSR1212_H__
#define __CSR1212_H__
-
-/* Compatibility layer */
-#ifdef __KERNEL__
-
#include <linux/types.h>
#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <linux/vmalloc.h>
-#include <asm/pgalloc.h>
-
-#define CSR1212_MALLOC(size) vmalloc((size))
-#define CSR1212_FREE(ptr) vfree(ptr)
-#define CSR1212_BE16_TO_CPU(quad) be16_to_cpu(quad)
-#define CSR1212_CPU_TO_BE16(quad) cpu_to_be16(quad)
-#define CSR1212_BE32_TO_CPU(quad) be32_to_cpu(quad)
-#define CSR1212_CPU_TO_BE32(quad) cpu_to_be32(quad)
-#define CSR1212_BE64_TO_CPU(quad) be64_to_cpu(quad)
-#define CSR1212_CPU_TO_BE64(quad) cpu_to_be64(quad)
-
-#define CSR1212_LE16_TO_CPU(quad) le16_to_cpu(quad)
-#define CSR1212_CPU_TO_LE16(quad) cpu_to_le16(quad)
-#define CSR1212_LE32_TO_CPU(quad) le32_to_cpu(quad)
-#define CSR1212_CPU_TO_LE32(quad) cpu_to_le32(quad)
-#define CSR1212_LE64_TO_CPU(quad) le64_to_cpu(quad)
-#define CSR1212_CPU_TO_LE64(quad) cpu_to_le64(quad)
-
-#include <linux/errno.h>
-#define CSR1212_SUCCESS (0)
-#define CSR1212_EINVAL (-EINVAL)
-#define CSR1212_ENOMEM (-ENOMEM)
-#define CSR1212_ENOENT (-ENOENT)
-#define CSR1212_EIO (-EIO)
-#define CSR1212_EBUSY (-EBUSY)
-
-#else /* Userspace */
-
-#include <sys/types.h>
-#include <malloc.h>
-#define CSR1212_MALLOC(size) malloc(size)
-#define CSR1212_FREE(ptr) free(ptr)
-#include <endian.h>
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#include <byteswap.h>
-#define CSR1212_BE16_TO_CPU(quad) bswap_16(quad)
-#define CSR1212_CPU_TO_BE16(quad) bswap_16(quad)
-#define CSR1212_BE32_TO_CPU(quad) bswap_32(quad)
-#define CSR1212_CPU_TO_BE32(quad) bswap_32(quad)
-#define CSR1212_BE64_TO_CPU(quad) bswap_64(quad)
-#define CSR1212_CPU_TO_BE64(quad) bswap_64(quad)
-
-#define CSR1212_LE16_TO_CPU(quad) (quad)
-#define CSR1212_CPU_TO_LE16(quad) (quad)
-#define CSR1212_LE32_TO_CPU(quad) (quad)
-#define CSR1212_CPU_TO_LE32(quad) (quad)
-#define CSR1212_LE64_TO_CPU(quad) (quad)
-#define CSR1212_CPU_TO_LE64(quad) (quad)
-#else
-#define CSR1212_BE16_TO_CPU(quad) (quad)
-#define CSR1212_CPU_TO_BE16(quad) (quad)
-#define CSR1212_BE32_TO_CPU(quad) (quad)
-#define CSR1212_CPU_TO_BE32(quad) (quad)
-#define CSR1212_BE64_TO_CPU(quad) (quad)
-#define CSR1212_CPU_TO_BE64(quad) (quad)
-
-#define CSR1212_LE16_TO_CPU(quad) bswap_16(quad)
-#define CSR1212_CPU_TO_LE16(quad) bswap_16(quad)
-#define CSR1212_LE32_TO_CPU(quad) bswap_32(quad)
-#define CSR1212_CPU_TO_LE32(quad) bswap_32(quad)
-#define CSR1212_LE64_TO_CPU(quad) bswap_64(quad)
-#define CSR1212_CPU_TO_LE64(quad) bswap_64(quad)
-#endif
-
-#include <errno.h>
-#define CSR1212_SUCCESS (0)
-#define CSR1212_EINVAL (EINVAL)
-#define CSR1212_ENOMEM (ENOMEM)
-#define CSR1212_ENOENT (ENOENT)
-#define CSR1212_EIO (EIO)
-#define CSR1212_EBUSY (EBUSY)
-
-#endif
+#include <asm/atomic.h>
+#define CSR1212_MALLOC(size) kmalloc((size), GFP_KERNEL)
+#define CSR1212_FREE(ptr) kfree(ptr)
-#define CSR1212_KV_VAL_MASK 0xffffff
-#define CSR1212_KV_KEY_SHIFT 24
-#define CSR1212_KV_KEY_TYPE_SHIFT 6
-#define CSR1212_KV_KEY_ID_MASK 0x3f
-#define CSR1212_KV_KEY_TYPE_MASK 0x3 /* After shift */
+#define CSR1212_SUCCESS (0)
/* CSR 1212 key types */
#define CSR1212_UNITS_SPACE_END (CSR1212_UNITS_SPACE_BASE + CSR1212_UNITS_SPACE_SIZE)
#define CSR1212_UNITS_SPACE_OFFSET (CSR1212_UNITS_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE)
-#define CSR1212_EXTENDED_ROM_SIZE (0x10000 * sizeof(u_int32_t))
+#define CSR1212_INVALID_ADDR_SPACE -1
/* Config ROM image structures */
struct csr1212_bus_info_block_img {
- u_int8_t length;
- u_int8_t crc_length;
- u_int16_t crc;
-
- /* Must be last */
- u_int32_t data[0]; /* older gcc can't handle [] which is standard */
-};
-
-#define CSR1212_KV_KEY(quad) (CSR1212_BE32_TO_CPU(quad) >> CSR1212_KV_KEY_SHIFT)
-#define CSR1212_KV_KEY_TYPE(quad) (CSR1212_KV_KEY(quad) >> CSR1212_KV_KEY_TYPE_SHIFT)
-#define CSR1212_KV_KEY_ID(quad) (CSR1212_KV_KEY(quad) & CSR1212_KV_KEY_ID_MASK)
-#define CSR1212_KV_VAL(quad) (CSR1212_BE32_TO_CPU(quad) & CSR1212_KV_VAL_MASK)
-
-#define CSR1212_SET_KV_KEY(quad, key) ((quad) = \
- CSR1212_CPU_TO_BE32(CSR1212_KV_VAL(quad) | ((key) << CSR1212_KV_KEY_SHIFT)))
-#define CSR1212_SET_KV_VAL(quad, val) ((quad) = \
- CSR1212_CPU_TO_BE32((CSR1212_KV_KEY(quad) << CSR1212_KV_KEY_SHIFT) | (val)))
-#define CSR1212_SET_KV_TYPEID(quad, type, id) ((quad) = \
- CSR1212_CPU_TO_BE32(CSR1212_KV_VAL(quad) | \
- (((((type) & CSR1212_KV_KEY_TYPE_MASK) << CSR1212_KV_KEY_TYPE_SHIFT) | \
- ((id) & CSR1212_KV_KEY_ID_MASK)) << CSR1212_KV_KEY_SHIFT)))
-
-typedef u_int32_t csr1212_quad_t;
-
-
-struct csr1212_keyval_img {
- u_int16_t length;
- u_int16_t crc;
+ u8 length;
+ u8 crc_length;
+ u16 crc;
/* Must be last */
- csr1212_quad_t data[0]; /* older gcc can't handle [] which is standard */
+ u32 data[0]; /* older gcc can't handle [] which is standard */
};
struct csr1212_leaf {
int len;
- u_int32_t *data;
+ u32 *data;
};
struct csr1212_dentry {
struct csr1212_keyval {
struct {
- u_int8_t type;
- u_int8_t id;
+ u8 type;
+ u8 id;
} key;
union {
- u_int32_t immediate;
- u_int32_t csr_offset;
+ u32 immediate;
+ u32 csr_offset;
struct csr1212_leaf leaf;
struct csr1212_directory directory;
} value;
struct csr1212_keyval *associate;
- int refcnt;
+ atomic_t refcnt;
/* used in generating and/or parsing CSR image */
struct csr1212_keyval *next, *prev; /* flat list of CSR elements */
- u_int32_t offset; /* position in CSR from 0xffff f000 0000 */
- u_int8_t valid; /* flag indicating keyval has valid data*/
+ u32 offset; /* position in CSR from 0xffff f000 0000 */
+ u8 valid; /* flag indicating keyval has valid data*/
};
struct csr1212_cache_region {
struct csr1212_cache_region *next, *prev;
- u_int32_t offset_start; /* inclusive */
- u_int32_t offset_end; /* exclusive */
+ u32 offset_start; /* inclusive */
+ u32 offset_end; /* exclusive */
};
struct csr1212_csr_rom_cache {
struct csr1212_cache_region *filled_head, *filled_tail;
struct csr1212_keyval *layout_head, *layout_tail;
size_t size;
- u_int32_t offset;
+ u32 offset;
struct csr1212_keyval *ext_rom;
size_t len;
/* Must be last */
- u_int32_t data[0]; /* older gcc can't handle [] which is standard */
+ u32 data[0]; /* older gcc can't handle [] which is standard */
};
struct csr1212_csr {
size_t bus_info_len; /* bus info block length in bytes */
size_t crc_len; /* crc length in bytes */
- u_int32_t *bus_info_data; /* bus info data incl bus name and EUI */
+ __be32 *bus_info_data; /* bus info data incl bus name and EUI */
void *private; /* private, bus specific data */
struct csr1212_bus_ops *ops;
* from remote nodes when parsing a Config ROM (i.e., read Config ROM
* entries located in the Units Space. Must return 0 on success
* anything else indicates an error. */
- int (*bus_read) (struct csr1212_csr *csr, u_int64_t addr,
- u_int16_t length, void *buffer, void *private);
+ int (*bus_read) (struct csr1212_csr *csr, u64 addr,
+ void *buffer, void *private);
/* This function is used by csr1212 to allocate a region in units space
* in the event that Config ROM entries don't all fit in the predefined
* 1K region. The void *private parameter is private member of struct
* csr1212_csr. */
- u_int64_t (*allocate_addr_range) (u_int64_t size, u_int32_t alignment,
- void *private);
-
+ u64 (*allocate_addr_range) (u64 size, u32 alignment, void *private);
/* This function is used by csr1212 to release a region in units space
* that is no longer needed. */
- void (*release_addr) (u_int64_t addr, void *private);
-
- /* This function is used by csr1212 to determine the max read request
- * supported by a remote node when reading the ConfigROM space. Must
- * return 0, 1, or 2 per IEEE 1212. */
- int (*get_max_rom) (u_int32_t *bus_info, void *private);
+ void (*release_addr) (u64 addr, void *private);
};
-
-
/* Descriptor Leaf manipulation macros */
#define CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT 24
#define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK 0xffffff
-#define CSR1212_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t))
+#define CSR1212_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u32))
#define CSR1212_DESCRIPTOR_LEAF_TYPE(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) >> CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT)
+ (be32_to_cpu((kv)->value.leaf.data[0]) >> \
+ CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT)
#define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) & \
+ (be32_to_cpu((kv)->value.leaf.data[0]) & \
CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK)
-#define CSR1212_DESCRIPTOR_LEAF_DATA(kv) \
- (&((kv)->value.leaf.data[1]))
-
-#define CSR1212_DESCRIPTOR_LEAF_SET_TYPE(kv, type) \
- ((kv)->value.leaf.data[0] = \
- CSR1212_CPU_TO_BE32(CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) | \
- ((type) << CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT)))
-#define CSR1212_DESCRIPTOR_LEAF_SET_SPECIFIER_ID(kv, spec_id) \
- ((kv)->value.leaf.data[0] = \
- CSR1212_CPU_TO_BE32((CSR1212_DESCRIPTOR_LEAF_TYPE(kv) << \
- CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) | \
- ((spec_id) & CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK)))
+
/* Text Descriptor Leaf manipulation macros */
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT 28
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT 16
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK 0xfff /* after shift */
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff
-#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t))
+#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u32))
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \
+ (be32_to_cpu((kv)->value.leaf.data[1]) >> \
CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT)
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET(kv) \
- ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK)
+ ((be32_to_cpu((kv)->value.leaf.data[1]) >> \
+ CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \
+ CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK)
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) & \
+ (be32_to_cpu((kv)->value.leaf.data[1]) & \
CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK)
#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(kv) \
(&((kv)->value.leaf.data[2]))
-#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_WIDTH(kv, width) \
- ((kv)->value.leaf.data[1] = \
- ((kv)->value.leaf.data[1] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK << \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))) | \
- CSR1212_CPU_TO_BE32(((width) & \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK) << \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))
-#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_CHAR_SET(kv, char_set) \
- ((kv)->value.leaf.data[1] = \
- ((kv)->value.leaf.data[1] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK << \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))) | \
- CSR1212_CPU_TO_BE32(((char_set) & \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) << \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))
-#define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_LANGUAGE(kv, language) \
- ((kv)->value.leaf.data[1] = \
- ((kv)->value.leaf.data[1] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \
- CSR1212_CPU_TO_BE32(((language) & \
- CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK)))
-
-
-/* Icon Descriptor Leaf manipulation macros */
-#define CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK 0xffffff
-#define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT 30
-#define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK 0x3 /* after shift */
-#define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT 16
-#define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK 0xf /* after shift */
-#define CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff
-#define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT 16
-#define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK 0xffff /* after shift */
-#define CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK 0xffff
-#define CSR1212_ICON_DESCRIPTOR_LEAF_OVERHEAD (3 * sizeof(u_int32_t))
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_VERSION(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[2]) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK)
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) >> \
- CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT)
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE(kv) \
- ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) >> \
- CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK)
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK)
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN(kv) \
- ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[4]) >> \
- CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_HSCAN_SHIFT) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_HSCAN_MASK)
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN(kv) \
- (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[4]) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK)
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE(kv) \
- (&((kv)->value.leaf.data[5]))
-
-static inline u_int32_t *CSR1212_ICON_DESCRIPTOR_LEAF_PIXELS(struct csr1212_keyval *kv)
-{
- static const int pd[4] = { 0, 4, 16, 256 };
- static const int cs[16] = { 4, 2 };
- int ps = pd[CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH(kv)];
-
- return &kv->value.leaf.data[5 +
- (ps * cs[CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE(kv)]) /
- sizeof(u_int32_t)];
-}
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_SET_VERSION(kv, version) \
- ((kv)->value.leaf.data[2] = \
- ((kv)->value.leaf.data[2] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK))) | \
- CSR1212_CPU_TO_BE32(((version) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK)))
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_SET_PALETTE_DEPTH(kv, palette_depth) \
- ((kv)->value.leaf.data[3] = \
- ((kv)->value.leaf.data[3] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK << \
- CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT))) | \
- CSR1212_CPU_TO_BE32(((palette_depth) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK) << \
- CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT))
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_SET_COLOR_SPACE(kv, color_space) \
- ((kv)->value.leaf.data[3] = \
- ((kv)->value.leaf.data[3] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK << \
- CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT))) | \
- CSR1212_CPU_TO_BE32(((color_space) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK) << \
- CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT))
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_SET_LANGUAGE(kv, language) \
- ((kv)->value.leaf.data[3] = \
- ((kv)->value.leaf.data[3] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \
- CSR1212_CPU_TO_BE32(((language) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK)))
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_SET_HSCAN(kv, hscan) \
- ((kv)->value.leaf.data[4] = \
- ((kv)->value.leaf.data[4] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK << \
- CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT))) | \
- CSR1212_CPU_TO_BE32(((hscan) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK) << \
- CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT))
-
-#define CSR1212_ICON_DESCRIPTOR_LEAF_SET_VSCAN(kv, vscan) \
- ((kv)->value.leaf.data[4] = \
- (((kv)->value.leaf.data[4] & \
- CSR1212_CPU_TO_BE32(~CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK))) | \
- CSR1212_CPU_TO_BE32(((vscan) & \
- CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK)))
-
-
-/* Modifiable Descriptor Leaf manipulation macros */
-#define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT 16
-#define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK 0xffff
-#define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_SHIFT 32
-#define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK 0xffff
-#define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_LO_MASK 0xffffffffULL
-
-#define CSR1212_MODIFIABLE_DESCRIPTOR_MAX_SIZE(kv) \
- CSR1212_BE16_TO_CPU((kv)->value.leaf.data[0] >> CSR1212_MODIFIABLE_DESCRIPTOR_MAX_SIZE_SHIFT)
-
-#define CSR1212_MODIFIABLE_DESCRIPTOR_ADDRESS(kv) \
- (CSR1212_BE16_TO_CPU(((u_int64_t)((kv)->value.leaf.data[0])) << \
- CSR1212_MODIFIABLE_DESCRIPTOR_ADDR_HI_SHIFT) | \
- CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]))
-
-#define CSR1212_MODIFIABLE_DESCRIPTOR_SET_MAX_SIZE(kv, size) \
- ((kv)->value.leaf.data[0] = \
- ((kv)->value.leaf.data[0] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK << \
- CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT))) | \
- CSR1212_CPU_TO_BE32(((size) & \
- CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK) << \
- CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT))
-
-#define CSR1212_MODIFIABLE_DESCRIPTOR_SET_ADDRESS_HI(kv, addr) \
- ((kv)->value.leaf.data[0] = \
- ((kv)->value.leaf.data[0] & \
- CSR1212_CPU_TO_BE32(~(CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK))) | \
- CSR1212_CPU_TO_BE32(((addr) & \
- CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK)))
-
-#define CSR1212_MODIFIABLE_DESCRIPTOR_SET_ADDRESS_LO(kv, addr) \
- ((kv)->value.leaf.data[1] = \
- CSR1212_CPU_TO_BE32(addr & CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_LO_MASK))
-
-
/* The following 2 function are for creating new Configuration ROM trees. The
* first function is used for both creating local trees and parsing remote
size_t bus_info_size,
void *private);
extern void csr1212_init_local_csr(struct csr1212_csr *csr,
- const u_int32_t *bus_info_data, int max_rom);
+ const u32 *bus_info_data, int max_rom);
-/* The following function destroys a Configuration ROM tree and release all
- * memory taken by the tree. */
+/* Destroy a Configuration ROM tree and release all memory taken by the tree. */
extern void csr1212_destroy_csr(struct csr1212_csr *csr);
* a Configuration ROM tree. Code that creates new keyvals with these functions
* must release those keyvals with csr1212_release_keyval() when they are no
* longer needed. */
-extern struct csr1212_keyval *csr1212_new_immediate(u_int8_t key, u_int32_t value);
-extern struct csr1212_keyval *csr1212_new_leaf(u_int8_t key, const void *data,
- size_t data_len);
-extern struct csr1212_keyval *csr1212_new_csr_offset(u_int8_t key,
- u_int32_t csr_offset);
-extern struct csr1212_keyval *csr1212_new_directory(u_int8_t key);
-extern struct csr1212_keyval *csr1212_new_extended_immediate(u_int32_t spec,
- u_int32_t key,
- u_int32_t value);
-extern struct csr1212_keyval *csr1212_new_extended_leaf(u_int32_t spec,
- u_int32_t key,
- const void *data,
- size_t data_len);
-extern struct csr1212_keyval *csr1212_new_descriptor_leaf(u_int8_t dtype,
- u_int32_t specifier_id,
- const void *data,
- size_t data_len);
-extern struct csr1212_keyval *csr1212_new_textual_descriptor_leaf(u_int8_t cwidth,
- u_int16_t cset,
- u_int16_t language,
- const void *data,
- size_t data_len);
+extern struct csr1212_keyval *csr1212_new_immediate(u8 key, u32 value);
+extern struct csr1212_keyval *csr1212_new_directory(u8 key);
extern struct csr1212_keyval *csr1212_new_string_descriptor_leaf(const char *s);
-extern struct csr1212_keyval *csr1212_new_icon_descriptor_leaf(u_int32_t version,
- u_int8_t palette_depth,
- u_int8_t color_space,
- u_int16_t language,
- u_int16_t hscan,
- u_int16_t vscan,
- u_int32_t *palette,
- u_int32_t *pixels);
-extern struct csr1212_keyval *csr1212_new_modifiable_descriptor_leaf(u_int16_t max_size,
- u_int64_t address);
-extern struct csr1212_keyval *csr1212_new_keyword_leaf(int strc,
- const char *strv[]);
-
-
-/* The following functions manage association between keyvals. Typically,
+
+
+/* The following function manages association between keyvals. Typically,
* Descriptor Leaves and Directories will be associated with another keyval and
* it is desirable for the Descriptor keyval to be place immediately after the
- * keyval that it is associated with.*/
-extern int csr1212_associate_keyval(struct csr1212_keyval *kv,
- struct csr1212_keyval *associate);
-extern void csr1212_disassociate_keyval(struct csr1212_keyval *kv);
+ * keyval that it is associated with.
+ * Take care with subsequent ROM modifications: There is no function to remove
+ * previously specified associations.
+ */
+extern void csr1212_associate_keyval(struct csr1212_keyval *kv,
+ struct csr1212_keyval *associate);
/* The following functions manage the association of a keyval and directories.
struct csr1212_keyval *kv);
-/* The following functions create a Configuration ROM image from the tree of
- * keyvals provided. csr1212_generate_csr_image() creates a complete image in
- * the list of caches available via csr->cache_head. The other functions are
- * provided should there be a need to create a flat image without restrictions
- * placed by IEEE 1212. */
-extern struct csr1212_keyval *csr1212_generate_positions(struct csr1212_csr_rom_cache *cache,
- struct csr1212_keyval *start_kv,
- int start_pos);
-extern size_t csr1212_generate_layout_order(struct csr1212_keyval *kv);
-extern void csr1212_fill_cache(struct csr1212_csr_rom_cache *cache);
+/* Creates a complete Configuration ROM image in the list of caches available
+ * via csr->cache_head. */
extern int csr1212_generate_csr_image(struct csr1212_csr *csr);
/* This is a convience function for reading a block of data out of one of the
* caches in the csr->cache_head list. */
-extern int csr1212_read(struct csr1212_csr *csr, u_int32_t offset, void *buffer,
- u_int32_t len);
+extern int csr1212_read(struct csr1212_csr *csr, u32 offset, void *buffer,
+ u32 len);
/* The following functions are in place for parsing Configuration ROM images.
struct csr1212_csr_rom_cache *cache);
extern int csr1212_parse_csr(struct csr1212_csr *csr);
-/* These are internal functions referenced by inline functions below. */
-extern int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv);
-extern void _csr1212_destroy_keyval(struct csr1212_keyval *kv);
-
/* This function allocates a new cache which may be used for either parsing or
* generating sub-sets of Configuration ROM images. */
-static inline struct csr1212_csr_rom_cache *csr1212_rom_cache_malloc(u_int32_t offset,
- size_t size)
+static inline struct csr1212_csr_rom_cache *
+csr1212_rom_cache_malloc(u32 offset, size_t size)
{
struct csr1212_csr_rom_cache *cache;
- cache = CSR1212_MALLOC(sizeof(struct csr1212_csr_rom_cache) + size);
+ cache = CSR1212_MALLOC(sizeof(*cache) + size);
if (!cache)
return NULL;
/* This function ensures that a keyval contains data when referencing a keyval
* created by parsing a Configuration ROM. */
-static inline struct csr1212_keyval *csr1212_get_keyval(struct csr1212_csr *csr,
- struct csr1212_keyval *kv)
-{
- if (!kv)
- return NULL;
- if (!kv->valid)
- if (_csr1212_read_keyval(csr, kv) != CSR1212_SUCCESS)
- return NULL;
- return kv;
-}
+extern struct csr1212_keyval *
+csr1212_get_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv);
/* This function increments the reference count for a keyval should there be a
* need for code to retain a keyval that has been parsed. */
static inline void csr1212_keep_keyval(struct csr1212_keyval *kv)
{
- kv->refcnt++;
+ atomic_inc(&kv->refcnt);
+ smp_mb__after_atomic_inc();
}
* keyval when there are no more users of the keyval. This should be called by
* any code that calls csr1212_keep_keyval() or any of the keyval creation
* routines csr1212_new_*(). */
-static inline void csr1212_release_keyval(struct csr1212_keyval *kv)
-{
- if (kv->refcnt > 1)
- kv->refcnt--;
- else
- _csr1212_destroy_keyval(kv);
-}
+extern void csr1212_release_keyval(struct csr1212_keyval *kv);
/*
* This macro allows for looping over the keyval entries in a directory and it
* ensures that keyvals from remote ConfigROMs are parsed properly.
*
- * _csr is a struct csr1212_csr * that points to CSR associated with dir.
- * _kv is a struct csr1212_keyval * that'll point to the current keyval (loop index).
- * _dir is a struct csr1212_keyval * that points to the directory to be looped.
- * _pos is a struct csr1212_dentry * that is used internally for indexing.
+ * struct csr1212_csr *_csr points to the CSR associated with dir.
+ * struct csr1212_keyval *_kv points to the current keyval (loop index).
+ * struct csr1212_keyval *_dir points to the directory to be looped.
+ * struct csr1212_dentry *_pos is used internally for indexing.
*
* kv will be NULL upon exit of the loop.
*/
-#define csr1212_for_each_dir_entry(_csr, _kv, _dir, _pos) \
- for (csr1212_get_keyval((_csr), (_dir)), \
- _pos = (_dir)->value.directory.dentries_head, \
- _kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : NULL; \
- (_kv) && (_pos); \
- (_kv->associate == NULL) ? \
- ((_pos = _pos->next), \
- (_kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : \
- NULL)) : \
+#define csr1212_for_each_dir_entry(_csr, _kv, _dir, _pos) \
+ for (csr1212_get_keyval((_csr), (_dir)), \
+ _pos = (_dir)->value.directory.dentries_head, \
+ _kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : NULL;\
+ (_kv) && (_pos); \
+ (_kv->associate == NULL) ? \
+ ((_pos = _pos->next), (_kv = (_pos) ? \
+ csr1212_get_keyval((_csr), _pos->kv) : \
+ NULL)) : \
(_kv = csr1212_get_keyval((_csr), _kv->associate)))
-
-
#endif /* __CSR1212_H__ */
Code Review / linux-2.6.git / blobdiff