diff options
Diffstat (limited to 'scripts/mod/file2alias.c')
| -rw-r--r-- | scripts/mod/file2alias.c | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index e3d144a3f10..e0eedffe565 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -16,8 +16,10 @@ * use either stdint.h or inttypes.h for the rest. */ #if KERNEL_ELFCLASS == ELFCLASS32 typedef Elf32_Addr kernel_ulong_t; +#define BITS_PER_LONG 32 #else typedef Elf64_Addr kernel_ulong_t; +#define BITS_PER_LONG 64 #endif #ifdef __sun__ #include <inttypes.h> @@ -35,6 +37,7 @@ typedef unsigned char __u8; * even potentially has different endianness and word sizes, since * we handle those differences explicitly below */ #include "../../include/linux/mod_devicetable.h" +#include "../../include/linux/input.h" #define ADD(str, sep, cond, field) \ do { \ @@ -366,6 +369,61 @@ static int do_i2c_entry(const char *filename, struct i2c_device_id *i2c, char *a return 1; } +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +static void do_input(char *alias, + kernel_ulong_t *arr, unsigned int min, unsigned int max) +{ + unsigned int i; + for (i = min; i < max; i++) { + if (arr[i/BITS_PER_LONG] & (1 << (i%BITS_PER_LONG))) + sprintf(alias+strlen(alias), "%X,*", i); + } +} + +/* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */ +static int do_input_entry(const char *filename, struct input_device_id *id, + char *alias) +{ + sprintf(alias, "input:"); + + ADD(alias, "b", id->flags&INPUT_DEVICE_ID_MATCH_BUS, id->id.bustype); + ADD(alias, "v", id->flags&INPUT_DEVICE_ID_MATCH_VENDOR, id->id.vendor); + ADD(alias, "p", id->flags&INPUT_DEVICE_ID_MATCH_PRODUCT, + id->id.product); + ADD(alias, "e", id->flags&INPUT_DEVICE_ID_MATCH_VERSION, + id->id.version); + + sprintf(alias + strlen(alias), "-e*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_EVBIT) + do_input(alias, id->evbit, 0, EV_MAX); + sprintf(alias + strlen(alias), "k*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_KEYBIT) + do_input(alias, id->keybit, KEY_MIN_INTERESTING, KEY_MAX); + sprintf(alias + strlen(alias), "r*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_RELBIT) + do_input(alias, id->relbit, 0, REL_MAX); + sprintf(alias + strlen(alias), "a*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_ABSBIT) + do_input(alias, id->absbit, 0, ABS_MAX); + sprintf(alias + strlen(alias), "m*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_MSCIT) + do_input(alias, id->mscbit, 0, MSC_MAX); + sprintf(alias + strlen(alias), "l*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_LEDBIT) + do_input(alias, id->ledbit, 0, LED_MAX); + sprintf(alias + strlen(alias), "s*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_SNDBIT) + do_input(alias, id->sndbit, 0, SND_MAX); + sprintf(alias + strlen(alias), "f*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_FFBIT) + do_input(alias, id->ffbit, 0, SND_MAX); + sprintf(alias + strlen(alias), "w*"); + if (id->flags&INPUT_DEVICE_ID_MATCH_SWBIT) + do_input(alias, id->swbit, 0, SW_MAX); + return 1; +} + /* Ignore any prefix, eg. v850 prepends _ */ static inline int sym_is(const char *symbol, const char *name) { @@ -453,7 +511,9 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, else if (sym_is(symname, "__mod_i2c_device_table")) do_table(symval, sym->st_size, sizeof(struct i2c_device_id), do_i2c_entry, mod); - + else if (sym_is(symname, "__mod_input_device_table")) + do_table(symval, sym->st_size, sizeof(struct input_device_id), + do_input_entry, mod); } /* Now add out buffered information to the generated C source */ |