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Commit 4f56cde1 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
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ASoC: sh: fsi: add fsi_set_master_clk 

Current FSI driver is using set_rate call back function which is for
master mode.
By this patch, it is used from fsi_set_master_clk.
This patch is preparation of cleanup suspend/resume patch.
Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: default avatarLiam Girdwood <lrg@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 0ffe296a
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Showing with 87 additions and 77 deletions
sound/soc/sh/fsi.c
View file @ 4f56cde1
......@@ -558,6 +558,82 @@ static void fsi_spdif_clk_ctrl(struct fsi_priv *fsi, int enable)
/*
* clock function
*/
static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
long rate, int enable)
{
struct fsi_master *master = fsi_get_master(fsi);
set_rate_func set_rate = fsi_get_info_set_rate(master);
int fsi_ver = master->core->ver;
int ret;
ret = set_rate(dev, fsi_is_port_a(fsi), rate, enable);
if (ret < 0) /* error */
return ret;
if (!enable)
return 0;
if (ret > 0) {
u32 data = 0;
switch (ret & SH_FSI_ACKMD_MASK) {
default:
/* FALL THROUGH */
case SH_FSI_ACKMD_512:
data |= (0x0 << 12);
break;
case SH_FSI_ACKMD_256:
data |= (0x1 << 12);
break;
case SH_FSI_ACKMD_128:
data |= (0x2 << 12);
break;
case SH_FSI_ACKMD_64:
data |= (0x3 << 12);
break;
case SH_FSI_ACKMD_32:
if (fsi_ver < 2)
dev_err(dev, "unsupported ACKMD\n");
else
data |= (0x4 << 12);
break;
}
switch (ret & SH_FSI_BPFMD_MASK) {
default:
/* FALL THROUGH */
case SH_FSI_BPFMD_32:
data |= (0x0 << 8);
break;
case SH_FSI_BPFMD_64:
data |= (0x1 << 8);
break;
case SH_FSI_BPFMD_128:
data |= (0x2 << 8);
break;
case SH_FSI_BPFMD_256:
data |= (0x3 << 8);
break;
case SH_FSI_BPFMD_512:
data |= (0x4 << 8);
break;
case SH_FSI_BPFMD_16:
if (fsi_ver < 2)
dev_err(dev, "unsupported ACKMD\n");
else
data |= (0x7 << 8);
break;
}
fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
udelay(10);
ret = 0;
}
return ret;
}
#define fsi_module_init(m, d) __fsi_module_clk_ctrl(m, d, 1)
#define fsi_module_kill(m, d) __fsi_module_clk_ctrl(m, d, 0)
static void __fsi_module_clk_ctrl(struct fsi_master *master,
......@@ -826,13 +902,11 @@ static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
{
struct fsi_priv *fsi = fsi_get_priv(substream);
int is_play = fsi_is_play(substream);
struct fsi_master *master = fsi_get_master(fsi);
set_rate_func set_rate = fsi_get_info_set_rate(master);
fsi_irq_disable(fsi, is_play);
if (fsi_is_clk_master(fsi))
set_rate(dai->dev, fsi_is_port_a(fsi), fsi->rate, 0);
fsi_set_master_clk(dai->dev, fsi, fsi->rate, 0);
fsi->rate = 0;
......@@ -960,79 +1034,19 @@ static int fsi_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
struct fsi_master *master = fsi_get_master(fsi);
set_rate_func set_rate = fsi_get_info_set_rate(master);
int fsi_ver = master->core->ver;
long rate = params_rate(params);
int ret;
if (!fsi_is_clk_master(fsi))
return 0;
ret = set_rate(dai->dev, fsi_is_port_a(fsi), rate, 1);
if (ret < 0) /* error */
ret = fsi_set_master_clk(dai->dev, fsi, rate, 1);
if (ret < 0)
return ret;
fsi->rate = rate;
if (ret > 0) {
u32 data = 0;
switch (ret & SH_FSI_ACKMD_MASK) {
default:
/* FALL THROUGH */
case SH_FSI_ACKMD_512:
data |= (0x0 << 12);
break;
case SH_FSI_ACKMD_256:
data |= (0x1 << 12);
break;
case SH_FSI_ACKMD_128:
data |= (0x2 << 12);
break;
case SH_FSI_ACKMD_64:
data |= (0x3 << 12);
break;
case SH_FSI_ACKMD_32:
if (fsi_ver < 2)
dev_err(dai->dev, "unsupported ACKMD\n");
else
data |= (0x4 << 12);
break;
}
switch (ret & SH_FSI_BPFMD_MASK) {
default:
/* FALL THROUGH */
case SH_FSI_BPFMD_32:
data |= (0x0 << 8);
break;
case SH_FSI_BPFMD_64:
data |= (0x1 << 8);
break;
case SH_FSI_BPFMD_128:
data |= (0x2 << 8);
break;
case SH_FSI_BPFMD_256:
data |= (0x3 << 8);
break;
case SH_FSI_BPFMD_512:
data |= (0x4 << 8);
break;
case SH_FSI_BPFMD_16:
if (fsi_ver < 2)
dev_err(dai->dev, "unsupported ACKMD\n");
else
data |= (0x7 << 8);
break;
}
fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
udelay(10);
ret = 0;
}
return ret;
}
static struct snd_soc_dai_ops fsi_dai_ops = {
......@@ -1301,8 +1315,7 @@ static int fsi_remove(struct platform_device *pdev)
}
static void __fsi_suspend(struct fsi_priv *fsi,
struct device *dev,
set_rate_func set_rate)
struct device *dev)
{
fsi->saved_do_fmt = fsi_reg_read(fsi, DO_FMT);
fsi->saved_di_fmt = fsi_reg_read(fsi, DI_FMT);
......@@ -1311,12 +1324,11 @@ static void __fsi_suspend(struct fsi_priv *fsi,
fsi->saved_out_sel = fsi_reg_read(fsi, OUT_SEL);
if (fsi_is_clk_master(fsi))
set_rate(dev, fsi_is_port_a(fsi), fsi->rate, 0);
fsi_set_master_clk(dev, fsi, fsi->rate, 0);
}
static void __fsi_resume(struct fsi_priv *fsi,
struct device *dev,
set_rate_func set_rate)
struct device *dev)
{
fsi_reg_write(fsi, DO_FMT, fsi->saved_do_fmt);
fsi_reg_write(fsi, DI_FMT, fsi->saved_di_fmt);
......@@ -1325,18 +1337,17 @@ static void __fsi_resume(struct fsi_priv *fsi,
fsi_reg_write(fsi, OUT_SEL, fsi->saved_out_sel);
if (fsi_is_clk_master(fsi))
set_rate(dev, fsi_is_port_a(fsi), fsi->rate, 1);
fsi_set_master_clk(dev, fsi, fsi->rate, 1);
}
static int fsi_suspend(struct device *dev)
{
struct fsi_master *master = dev_get_drvdata(dev);
set_rate_func set_rate = fsi_get_info_set_rate(master);
pm_runtime_get_sync(dev);
__fsi_suspend(&master->fsia, dev, set_rate);
__fsi_suspend(&master->fsib, dev, set_rate);
__fsi_suspend(&master->fsia, dev);
__fsi_suspend(&master->fsib, dev);
master->saved_a_mclk = fsi_core_read(master, a_mclk);
master->saved_b_mclk = fsi_core_read(master, b_mclk);
......@@ -1355,7 +1366,6 @@ static int fsi_suspend(struct device *dev)
static int fsi_resume(struct device *dev)
{
struct fsi_master *master = dev_get_drvdata(dev);
set_rate_func set_rate = fsi_get_info_set_rate(master);
pm_runtime_get_sync(dev);
......@@ -1368,8 +1378,8 @@ static int fsi_resume(struct device *dev)
fsi_core_mask_set(master, iemsk, 0xffff, master->saved_iemsk);
fsi_core_mask_set(master, imsk, 0xffff, master->saved_imsk);
__fsi_resume(&master->fsia, dev, set_rate);
__fsi_resume(&master->fsib, dev, set_rate);
__fsi_resume(&master->fsia, dev);
__fsi_resume(&master->fsib, dev);
pm_runtime_put_sync(dev);
......
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