static inline
int spi_xmit_rx(u8 *in_buf, size_t len)
{
int ret;
u8 read_out_buf[2];
struct spi_message msg;
struct spi_transfer xfer = {
.tx_buf = read_out_buf,
.rx_buf = in_buf,
.len = len,
.cs_change = 0,
};
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
ret = spi_sync(g_spi, &msg);
if (ret < 0)
dev_err(&g_spi->dev, "%s - error %d\n",
__func__, ret);
return ret;
}
int s5c73m3_spi_read(u8 *buf, size_t len, const int rxSize)
{
int k;
int ret = 0;
u32 count = len/rxSize;
u32 extra = len%rxSize;
for (k = 0; k < count; k++) {
ret = spi_xmit_rx(&buf[rxSize*k], rxSize);
if (ret < 0)
return -EINVAL;
}
if (extra != 0) {
ret = spi_xmit_rx(&buf[rxSize*k], extra);
if (ret < 0)
return -EINVAL;
}
return 0;
}
static inline
int spi_xmit(const u8 *addr, const int len)
{
int ret;
#if defined(CHANGE_ENDIAN)
u8 buf[8] = {0};
#endif
struct spi_message msg;
struct spi_transfer xfer = {
.len = len,
#if !defined(CHANGE_ENDIAN)
.tx_buf = addr,
/*QCTK ALRAN QUP_CONFIG 0-4 bits BIG ENDIAN*/
.bits_per_word = 32,
#else
.tx_buf = buf,
#endif
};
#if defined(CHANGE_ENDIAN)
buf[0] = addr[3];
buf[1] = addr[2];
buf[2] = addr[1];
buf[3] = addr[0];
buf[4] = addr[7];
buf[5] = addr[6];
buf[6] = addr[5];
buf[7] = addr[4];
#endif
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
ret = spi_sync(g_spi, &msg);
if (ret < 0)
cam_err("error %d\n", ret);
return ret;
}
static inline
int spi_xmit_rx(u8 *in_buf, size_t len)
{
int ret;
u8 read_out_buf[2];
struct spi_message msg;
struct spi_transfer xfer = {
.tx_buf = read_out_buf,
.rx_buf = in_buf,
.len = len,
.cs_change = 0,
};
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
ret = spi_sync(g_spi, &msg);
if (ret < 0)
cam_err("%s - error %d\n",
__func__, ret);
return ret;
}
int s5c73m3_spi_read(u8 *buf, size_t len, const int rxSize)
{
int k;
int ret = 0;
int z = 0;
u8 paddingData[32];
u8 temp_buf[4] = {0};
u32 count = len/rxSize;
u32 extra = len%rxSize;
for (k = 0; k < count; k++) {
ret = spi_xmit_rx(&buf[rxSize*k], rxSize);
if (ret < 0) {
cam_err("%s - error %d\n",
__func__, ret);
return -EINVAL;
}
}
if (extra != 0) {
ret = spi_xmit_rx(&buf[rxSize*k], extra);
if (ret < 0) {
cam_err("%s - error %d\n",
__func__, ret);
return -EINVAL;
}
}
for (k = 0; k < len-3; k += 4) {
memcpy(temp_buf, (char *)&buf[k], sizeof(temp_buf));
buf[k] = temp_buf[3];
buf[k+1] = temp_buf[2];
buf[k+2] = temp_buf[1];
buf[k+3] = temp_buf[0];
}
return 0;
}
static inline int spi_xmit(struct spi_device *spi, const u8 *addr, const int len)
{
int ret;
struct spi_message msg;
struct spi_transfer xfer = {
.len = len,
.tx_buf = addr,
.bits_per_word = 32,
};
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
ret = spi_sync(spi, &msg);
if (ret < 0)
dev_err(&spi->dev, "error %d\n", ret);
return ret;
}
static inline int spi_xmit_rx(struct spi_device *spi, u8 *in_buf, size_t len)
{
int ret;
u8 read_out_buf[2];
struct spi_message msg;
struct spi_transfer xfer = {
.tx_buf = read_out_buf,
.rx_buf = in_buf,
.len = len,
.cs_change = 0,
};
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
ret = spi_sync(spi, &msg);
if (ret < 0)
dev_err(&spi->dev, "%s - error %d\n", __func__, ret);
return ret;
}
/* TDB: Not tested */
int m10mo_spi_read(struct spi_device *spi, u8 *buf, size_t len,
const int rxSize)
{
int k;
int ret = 0;
u8 temp_buf[4] = {0};
u32 count = len / rxSize;
u32 extra = len % rxSize;
for (k = 0; k < count; k++) {
ret = spi_xmit_rx(spi, &buf[rxSize * k], rxSize);
if (ret < 0) {
dev_err(&spi->dev, "%s - error %d\n", __func__, ret);
return -EINVAL;
}
}
if (extra != 0) {
ret = spi_xmit_rx(spi, &buf[rxSize * k], extra);
if (ret < 0) {
dev_err(&spi->dev, "%s - error %d\n", __func__, ret);
return -EINVAL;
}
}
for (k = 0; k < len - 3; k += 4) {
memcpy(temp_buf, (char *)&buf[k], sizeof(temp_buf));
buf[k] = temp_buf[3];
buf[k+1] = temp_buf[2];
buf[k+2] = temp_buf[1];
buf[k+3] = temp_buf[0];
}
return 0;
}