* Zammit in 2012, with reverse-engineering for Digi 003 Rack.
*/
struct dot_state {
- __u8 carry;
- __u8 idx;
+ u8 carry;
+ u8 idx;
unsigned int off;
};
#define BYTE_PER_SAMPLE (4)
#define MAGIC_DOT_BYTE (2)
#define MAGIC_BYTE_OFF(x) (((x) * BYTE_PER_SAMPLE) + MAGIC_DOT_BYTE)
-static const __u8 dot_scrt(const __u8 idx, const unsigned int off)
+static const u8 dot_scrt(const u8 idx, const unsigned int off)
{
/*
* the length of the added pattern only depends on the lower nibble
* of the last non-zero data
*/
- static const __u8 len[16] = {0, 1, 3, 5, 7, 9, 11, 13, 14,
- 12, 10, 8, 6, 4, 2, 0};
+ static const u8 len[16] = {0, 1, 3, 5, 7, 9, 11, 13, 14,
+ 12, 10, 8, 6, 4, 2, 0};
/*
* the lower nibble of the salt. Interleaved sequence.
* this is walked backwards according to len[]
*/
- static const __u8 nib[15] = {0x8, 0x7, 0x9, 0x6, 0xa, 0x5, 0xb, 0x4,
- 0xc, 0x3, 0xd, 0x2, 0xe, 0x1, 0xf};
+ static const u8 nib[15] = {0x8, 0x7, 0x9, 0x6, 0xa, 0x5, 0xb, 0x4,
+ 0xc, 0x3, 0xd, 0x2, 0xe, 0x1, 0xf};
/* circular list for the salt's hi nibble. */
- static const __u8 hir[15] = {0x0, 0x6, 0xf, 0x8, 0x7, 0x5, 0x3, 0x4,
- 0xc, 0xd, 0xe, 0x1, 0x2, 0xb, 0xa};
+ static const u8 hir[15] = {0x0, 0x6, 0xf, 0x8, 0x7, 0x5, 0x3, 0x4,
+ 0xc, 0xd, 0xe, 0x1, 0x2, 0xb, 0xa};
/*
* start offset for upper nibble mapping.
* hir[] is not used and - coincidentally - the salt's hi nibble is
* 0x09 regardless of the offset.
*/
- static const __u8 hio[16] = {0, 11, 12, 6, 7, 5, 1, 4,
- 3, 0x00, 14, 13, 8, 9, 10, 2};
+ static const u8 hio[16] = {0, 11, 12, 6, 7, 5, 1, 4,
+ 3, 0x00, 14, 13, 8, 9, 10, 2};
- const __u8 ln = idx & 0xf;
- const __u8 hn = (idx >> 4) & 0xf;
- const __u8 hr = (hn == 0x9) ? 0x9 : hir[(hio[hn] + off) % 15];
+ const u8 ln = idx & 0xf;
+ const u8 hn = (idx >> 4) & 0xf;
+ const u8 hr = (hn == 0x9) ? 0x9 : hir[(hio[hn] + off) % 15];
if (len[ln] < off)
return 0x00;
static void dot_encode_step(struct dot_state *state, __be32 *const buffer)
{
- __u8 * const data = (__u8 *) buffer;
+ u8 * const data = (u8 *) buffer;
if (data[MAGIC_DOT_BYTE] != 0x00) {
state->off = 0;