diff options
Diffstat (limited to 'drivers/ieee1394/csr1212.h')
| -rw-r--r-- | drivers/ieee1394/csr1212.h | 483 |
1 files changed, 71 insertions, 412 deletions
diff --git a/drivers/ieee1394/csr1212.h b/drivers/ieee1394/csr1212.h index 17ddd72dee4..df909ce6630 100644 --- a/drivers/ieee1394/csr1212.h +++ b/drivers/ieee1394/csr1212.h @@ -30,94 +30,13 @@ #ifndef __CSR1212_H__ #define __CSR1212_H__ - -/* Compatibility layer */ -#ifdef __KERNEL__ - #include <linux/types.h> #include <linux/slab.h> -#include <linux/interrupt.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 +#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 */ @@ -190,48 +109,22 @@ #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; + u8 length; + u8 crc_length; + u16 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; - - /* 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 { @@ -246,12 +139,12 @@ struct csr1212_directory { 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; @@ -260,15 +153,15 @@ struct csr1212_keyval { /* 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 { @@ -276,18 +169,18 @@ 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 */ + u32 *bus_info_data; /* bus info data incl bus name and EUI */ void *private; /* private, bus specific data */ struct csr1212_bus_ops *ops; @@ -305,52 +198,38 @@ struct csr1212_bus_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, + u16 length, 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); + void (*release_addr) (u64 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); + int (*get_max_rom) (u32 *bus_info, 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 @@ -358,182 +237,21 @@ struct csr1212_bus_ops { #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 @@ -543,11 +261,10 @@ extern struct csr1212_csr *csr1212_create_csr(struct csr1212_bus_ops *ops, 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); @@ -555,50 +272,20 @@ 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. @@ -609,23 +296,15 @@ extern void csr1212_detach_keyval_from_directory(struct csr1212_keyval *dir, 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. @@ -635,15 +314,11 @@ extern int csr1212_parse_keyval(struct csr1212_keyval *kv, 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; @@ -667,16 +342,8 @@ static inline struct csr1212_csr_rom_cache *csr1212_rom_cache_malloc(u_int32_t o /* 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 @@ -691,37 +358,29 @@ static inline void csr1212_keep_keyval(struct csr1212_keyval *kv) * 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__ */ |