/* FSI */
#define IRQ_FSI evt2irq(0x1840)
-static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
-{
- int ret;
-
- if (rate <= 0)
- return 0;
-
- if (!enable) {
- clk_disable(clk);
- return 0;
- }
-
- ret = clk_set_rate(clk, clk_round_rate(clk, rate));
- if (ret < 0)
- return ret;
-
- return clk_enable(clk);
-}
-
-static int fsi_b_set_rate(struct device *dev, int rate, int enable)
-{
- struct clk *fsib_clk;
- struct clk *fdiv_clk = clk_get(NULL, "fsidivb");
- long fsib_rate = 0;
- long fdiv_rate = 0;
- int ackmd_bpfmd;
- int ret;
-
- /* clock start */
- switch (rate) {
- case 44100:
- fsib_rate = rate * 256;
- ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
- break;
- case 48000:
- fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
- fdiv_rate = rate * 256;
- ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
- break;
- default:
- pr_err("unsupported rate in FSI2 port B\n");
- return -EINVAL;
- }
-
- /* FSI B setting */
- fsib_clk = clk_get(dev, "ickb");
- if (IS_ERR(fsib_clk))
- return -EIO;
-
- /* fsib */
- ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
- if (ret < 0)
- goto fsi_set_rate_end;
-
- /* FSI DIV */
- ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
- if (ret < 0) {
- /* disable FSI B */
- if (enable)
- __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
- goto fsi_set_rate_end;
- }
-
- ret = ackmd_bpfmd;
-
-fsi_set_rate_end:
- clk_put(fsib_clk);
- return ret;
-}
-
static struct sh_fsi_platform_info fsi_info = {
.port_a = {
.flags = SH_FSI_BRS_INV,
.flags = SH_FSI_BRS_INV |
SH_FSI_BRM_INV |
SH_FSI_LRS_INV |
+ SH_FSI_CLK_CPG |
SH_FSI_FMT_SPDIF,
- .set_rate = fsi_b_set_rate,
}
};