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i2c: Update drivers

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Adds support for 8 byte transfers needed by touch driver changes.
This commit is contained in:
CTCaer
2020-03-13 10:25:27 +02:00
parent 9697067466
commit 144d6fd3f6
4 changed files with 44 additions and 9 deletions
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7
bootloader/soc/i2c.c
View File

@@ -19,7 +19,7 @@
#include "i2c.h"
#include "../utils/util.h"
static u32 i2c_addrs[] = {
static const u32 i2c_addrs[] = {
0x7000C000, 0x7000C400, 0x7000C500,
0x7000C700, 0x7000D000, 0x7000D100
};
@@ -121,6 +121,11 @@ int i2c_send_buf_small(u32 idx, u32 x, u32 y, u8 *buf, u32 size)
return _i2c_send_pkt(idx, x, tmp, size + 1);
}
int i2c_recv_buf(u8 *buf, u32 size, u32 idx, u32 x)
{
return _i2c_recv_pkt(idx, buf, size, x);
}
int i2c_recv_buf_small(u8 *buf, u32 size, u32 idx, u32 x, u32 y)
{
int res = _i2c_send_pkt(idx, x, (u8 *)&y, 1);

1
bootloader/soc/i2c.h
View File

@@ -39,6 +39,7 @@
void i2c_init(u32 idx);
int i2c_send_buf_small(u32 idx, u32 x, u32 y, u8 *buf, u32 size);
int i2c_recv_buf(u8 *buf, u32 size, u32 idx, u32 x);
int i2c_recv_buf_small(u8 *buf, u32 size, u32 idx, u32 x, u32 y);
int i2c_send_byte(u32 idx, u32 x, u32 y, u8 b);
u8 i2c_recv_byte(u32 idx, u32 x, u32 y);