return container_of(slave, struct tegra_spi_slave, slave);
}
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+int tegra30_spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
if (bus >= CONFIG_TEGRA_SLINK_CTRLS || cs > 3 || !spi_ctrls[bus].valid)
return 0;
return 1;
}
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
+struct spi_slave *tegra30_spi_setup_slave(unsigned int bus, unsigned int cs,
unsigned int max_hz, unsigned int mode)
{
struct tegra_spi_slave *spi;
return &spi->slave;
}
-void spi_free_slave(struct spi_slave *slave)
+void tegra30_spi_free_slave(struct spi_slave *slave)
{
struct tegra_spi_slave *spi = to_tegra_spi(slave);
free(spi);
}
-void spi_init(void)
+int tegra30_spi_init(int *node_list, int count)
{
struct tegra_spi_ctrl *ctrl;
int i;
int node = 0;
- int count;
- int node_list[CONFIG_TEGRA_SLINK_CTRLS];
+ int found = 0;
- count = fdtdec_find_aliases_for_id(gd->fdt_blob, "spi",
- COMPAT_NVIDIA_TEGRA20_SLINK,
- node_list,
- CONFIG_TEGRA_SLINK_CTRLS);
for (i = 0; i < count; i++) {
ctrl = &spi_ctrls[i];
node = node_list[i];
continue;
}
ctrl->valid = 1;
+ found = 1;
debug("%s: found controller at %p, freq = %u, periph_id = %d\n",
__func__, ctrl->regs, ctrl->freq, ctrl->periph_id);
}
+ return !found;
}
-int spi_claim_bus(struct spi_slave *slave)
+int tegra30_spi_claim_bus(struct spi_slave *slave)
{
struct tegra_spi_slave *spi = to_tegra_spi(slave);
struct spi_regs *regs = spi->ctrl->regs;
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
-{
-}
-
-void spi_cs_activate(struct spi_slave *slave)
+void tegra30_spi_cs_activate(struct spi_slave *slave)
{
struct tegra_spi_slave *spi = to_tegra_spi(slave);
struct spi_regs *regs = spi->ctrl->regs;
setbits_le32(®s->command, SLINK_CMD_CS_VAL);
}
-void spi_cs_deactivate(struct spi_slave *slave)
+void tegra30_spi_cs_deactivate(struct spi_slave *slave)
{
struct tegra_spi_slave *spi = to_tegra_spi(slave);
struct spi_regs *regs = spi->ctrl->regs;
clrbits_le32(®s->command, SLINK_CMD_CS_VAL);
}
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
+int tegra30_spi_xfer(struct spi_slave *slave, unsigned int bitlen,
const void *data_out, void *data_in, unsigned long flags)
{
struct tegra_spi_slave *spi = to_tegra_spi(slave);