Merge remote-tracking branch 'asoc/topic/fsi' into asoc-next
This commit is contained in:
Mark Brown
commit
546694bc42
|
|
@ -26,6 +26,7 @@
|
|||
* A: inversion
|
||||
* B: format mode
|
||||
* C: chip specific
|
||||
* D: clock selecter if master mode
|
||||
*/
|
||||
|
||||
/* A: clock inversion */
|
||||
|
|
@ -44,6 +45,11 @@
|
|||
#define SH_FSI_OPTION_MASK 0x00000F00
|
||||
#define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */
|
||||
|
||||
/* D: clock selecter if master mode */
|
||||
#define SH_FSI_CLK_MASK 0x0000F000
|
||||
#define SH_FSI_CLK_EXTERNAL (0 << 12)
|
||||
#define SH_FSI_CLK_CPG (1 << 12) /* FSIxCK + FSI-DIV */
|
||||
|
||||
/*
|
||||
* set_rate return value
|
||||
*
|
||||
|
|
|
|||
|
|
@ -22,6 +22,7 @@
|
|||
#include <linux/module.h>
|
||||
#include <linux/workqueue.h>
|
||||
#include <sound/soc.h>
|
||||
#include <sound/pcm_params.h>
|
||||
#include <sound/sh_fsi.h>
|
||||
|
||||
/* PortA/PortB register */
|
||||
|
|
@ -188,6 +189,14 @@ typedef int (*set_rate_func)(struct device *dev, int rate, int enable);
|
|||
* --> go to codecs
|
||||
*/
|
||||
|
||||
/*
|
||||
* FSI clock
|
||||
*
|
||||
* FSIxCLK [CPG] (ick) -------> |
|
||||
* |-> FSI_DIV (div)-> FSI2
|
||||
* FSIxCK [external] (xck) ---> |
|
||||
*/
|
||||
|
||||
/*
|
||||
* struct
|
||||
*/
|
||||
|
|
@ -228,6 +237,20 @@ struct fsi_stream {
|
|||
dma_addr_t dma;
|
||||
};
|
||||
|
||||
struct fsi_clk {
|
||||
/* see [FSI clock] */
|
||||
struct clk *own;
|
||||
struct clk *xck;
|
||||
struct clk *ick;
|
||||
struct clk *div;
|
||||
int (*set_rate)(struct device *dev,
|
||||
struct fsi_priv *fsi,
|
||||
unsigned long rate);
|
||||
|
||||
unsigned long rate;
|
||||
unsigned int count;
|
||||
};
|
||||
|
||||
struct fsi_priv {
|
||||
void __iomem *base;
|
||||
struct fsi_master *master;
|
||||
|
|
@ -236,11 +259,17 @@ struct fsi_priv {
|
|||
struct fsi_stream playback;
|
||||
struct fsi_stream capture;
|
||||
|
||||
struct fsi_clk clock;
|
||||
|
||||
u32 fmt;
|
||||
|
||||
int chan_num:16;
|
||||
int clk_master:1;
|
||||
int clk_cpg:1;
|
||||
int spdif:1;
|
||||
int enable_stream:1;
|
||||
int bit_clk_inv:1;
|
||||
int lr_clk_inv:1;
|
||||
|
||||
long rate;
|
||||
};
|
||||
|
|
@ -370,6 +399,11 @@ static int fsi_is_spdif(struct fsi_priv *fsi)
|
|||
return fsi->spdif;
|
||||
}
|
||||
|
||||
static int fsi_is_enable_stream(struct fsi_priv *fsi)
|
||||
{
|
||||
return fsi->enable_stream;
|
||||
}
|
||||
|
||||
static int fsi_is_play(struct snd_pcm_substream *substream)
|
||||
{
|
||||
return substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
|
||||
|
|
@ -717,14 +751,335 @@ static void fsi_spdif_clk_ctrl(struct fsi_priv *fsi, int enable)
|
|||
/*
|
||||
* clock function
|
||||
*/
|
||||
static int fsi_clk_init(struct device *dev,
|
||||
struct fsi_priv *fsi,
|
||||
int xck,
|
||||
int ick,
|
||||
int div,
|
||||
int (*set_rate)(struct device *dev,
|
||||
struct fsi_priv *fsi,
|
||||
unsigned long rate))
|
||||
{
|
||||
struct fsi_clk *clock = &fsi->clock;
|
||||
int is_porta = fsi_is_port_a(fsi);
|
||||
|
||||
clock->xck = NULL;
|
||||
clock->ick = NULL;
|
||||
clock->div = NULL;
|
||||
clock->rate = 0;
|
||||
clock->count = 0;
|
||||
clock->set_rate = set_rate;
|
||||
|
||||
clock->own = devm_clk_get(dev, NULL);
|
||||
if (IS_ERR(clock->own))
|
||||
return -EINVAL;
|
||||
|
||||
/* external clock */
|
||||
if (xck) {
|
||||
clock->xck = devm_clk_get(dev, is_porta ? "xcka" : "xckb");
|
||||
if (IS_ERR(clock->xck)) {
|
||||
dev_err(dev, "can't get xck clock\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
if (clock->xck == clock->own) {
|
||||
dev_err(dev, "cpu doesn't support xck clock\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
/* FSIACLK/FSIBCLK */
|
||||
if (ick) {
|
||||
clock->ick = devm_clk_get(dev, is_porta ? "icka" : "ickb");
|
||||
if (IS_ERR(clock->ick)) {
|
||||
dev_err(dev, "can't get ick clock\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
if (clock->ick == clock->own) {
|
||||
dev_err(dev, "cpu doesn't support ick clock\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
/* FSI-DIV */
|
||||
if (div) {
|
||||
clock->div = devm_clk_get(dev, is_porta ? "diva" : "divb");
|
||||
if (IS_ERR(clock->div)) {
|
||||
dev_err(dev, "can't get div clock\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
if (clock->div == clock->own) {
|
||||
dev_err(dev, "cpu doens't support div clock\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define fsi_clk_invalid(fsi) fsi_clk_valid(fsi, 0)
|
||||
static void fsi_clk_valid(struct fsi_priv *fsi, unsigned long rate)
|
||||
{
|
||||
fsi->clock.rate = rate;
|
||||
}
|
||||
|
||||
static int fsi_clk_is_valid(struct fsi_priv *fsi)
|
||||
{
|
||||
return fsi->clock.set_rate &&
|
||||
fsi->clock.rate;
|
||||
}
|
||||
|
||||
static int fsi_clk_enable(struct device *dev,
|
||||
struct fsi_priv *fsi,
|
||||
unsigned long rate)
|
||||
{
|
||||
struct fsi_clk *clock = &fsi->clock;
|
||||
int ret = -EINVAL;
|
||||
|
||||
if (!fsi_clk_is_valid(fsi))
|
||||
return ret;
|
||||
|
||||
if (0 == clock->count) {
|
||||
ret = clock->set_rate(dev, fsi, rate);
|
||||
if (ret < 0) {
|
||||
fsi_clk_invalid(fsi);
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (clock->xck)
|
||||
clk_enable(clock->xck);
|
||||
if (clock->ick)
|
||||
clk_enable(clock->ick);
|
||||
if (clock->div)
|
||||
clk_enable(clock->div);
|
||||
|
||||
clock->count++;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int fsi_clk_disable(struct device *dev,
|
||||
struct fsi_priv *fsi)
|
||||
{
|
||||
struct fsi_clk *clock = &fsi->clock;
|
||||
|
||||
if (!fsi_clk_is_valid(fsi))
|
||||
return -EINVAL;
|
||||
|
||||
if (1 == clock->count--) {
|
||||
if (clock->xck)
|
||||
clk_disable(clock->xck);
|
||||
if (clock->ick)
|
||||
clk_disable(clock->ick);
|
||||
if (clock->div)
|
||||
clk_disable(clock->div);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fsi_clk_set_ackbpf(struct device *dev,
|
||||
struct fsi_priv *fsi,
|
||||
int ackmd, int bpfmd)
|
||||
{
|
||||
u32 data = 0;
|
||||
|
||||
/* check ackmd/bpfmd relationship */
|
||||
if (bpfmd > ackmd) {
|
||||
dev_err(dev, "unsupported rate (%d/%d)\n", ackmd, bpfmd);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* ACKMD */
|
||||
switch (ackmd) {
|
||||
case 512:
|
||||
data |= (0x0 << 12);
|
||||
break;
|
||||
case 256:
|
||||
data |= (0x1 << 12);
|
||||
break;
|
||||
case 128:
|
||||
data |= (0x2 << 12);
|
||||
break;
|
||||
case 64:
|
||||
data |= (0x3 << 12);
|
||||
break;
|
||||
case 32:
|
||||
data |= (0x4 << 12);
|
||||
break;
|
||||
default:
|
||||
dev_err(dev, "unsupported ackmd (%d)\n", ackmd);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* BPFMD */
|
||||
switch (bpfmd) {
|
||||
case 32:
|
||||
data |= (0x0 << 8);
|
||||
break;
|
||||
case 64:
|
||||
data |= (0x1 << 8);
|
||||
break;
|
||||
case 128:
|
||||
data |= (0x2 << 8);
|
||||
break;
|
||||
case 256:
|
||||
data |= (0x3 << 8);
|
||||
break;
|
||||
case 512:
|
||||
data |= (0x4 << 8);
|
||||
break;
|
||||
case 16:
|
||||
data |= (0x7 << 8);
|
||||
break;
|
||||
default:
|
||||
dev_err(dev, "unsupported bpfmd (%d)\n", bpfmd);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
dev_dbg(dev, "ACKMD/BPFMD = %d/%d\n", ackmd, bpfmd);
|
||||
|
||||
fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
|
||||
udelay(10);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fsi_clk_set_rate_external(struct device *dev,
|
||||
struct fsi_priv *fsi,
|
||||
unsigned long rate)
|
||||
{
|
||||
struct clk *xck = fsi->clock.xck;
|
||||
struct clk *ick = fsi->clock.ick;
|
||||
unsigned long xrate;
|
||||
int ackmd, bpfmd;
|
||||
int ret = 0;
|
||||
|
||||
/* check clock rate */
|
||||
xrate = clk_get_rate(xck);
|
||||
if (xrate % rate) {
|
||||
dev_err(dev, "unsupported clock rate\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
clk_set_parent(ick, xck);
|
||||
clk_set_rate(ick, xrate);
|
||||
|
||||
bpfmd = fsi->chan_num * 32;
|
||||
ackmd = xrate / rate;
|
||||
|
||||
dev_dbg(dev, "external/rate = %ld/%ld\n", xrate, rate);
|
||||
|
||||
ret = fsi_clk_set_ackbpf(dev, fsi, ackmd, bpfmd);
|
||||
if (ret < 0)
|
||||
dev_err(dev, "%s failed", __func__);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int fsi_clk_set_rate_cpg(struct device *dev,
|
||||
struct fsi_priv *fsi,
|
||||
unsigned long rate)
|
||||
{
|
||||
struct clk *ick = fsi->clock.ick;
|
||||
struct clk *div = fsi->clock.div;
|
||||
unsigned long target = 0; /* 12288000 or 11289600 */
|
||||
unsigned long actual, cout;
|
||||
unsigned long diff, min;
|
||||
unsigned long best_cout, best_act;
|
||||
int adj;
|
||||
int ackmd, bpfmd;
|
||||
int ret = -EINVAL;
|
||||
|
||||
if (!(12288000 % rate))
|
||||
target = 12288000;
|
||||
if (!(11289600 % rate))
|
||||
target = 11289600;
|
||||
if (!target) {
|
||||
dev_err(dev, "unsupported rate\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
bpfmd = fsi->chan_num * 32;
|
||||
ackmd = target / rate;
|
||||
ret = fsi_clk_set_ackbpf(dev, fsi, ackmd, bpfmd);
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "%s failed", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* The clock flow is
|
||||
*
|
||||
* [CPG] = cout => [FSI_DIV] = audio => [FSI] => [codec]
|
||||
*
|
||||
* But, it needs to find best match of CPG and FSI_DIV
|
||||
* combination, since it is difficult to generate correct
|
||||
* frequency of audio clock from ick clock only.
|
||||
* Because ick is created from its parent clock.
|
||||
*
|
||||
* target = rate x [512/256/128/64]fs
|
||||
* cout = round(target x adjustment)
|
||||
* actual = cout / adjustment (by FSI-DIV) ~= target
|
||||
* audio = actual
|
||||
*/
|
||||
min = ~0;
|
||||
best_cout = 0;
|
||||
best_act = 0;
|
||||
for (adj = 1; adj < 0xffff; adj++) {
|
||||
|
||||
cout = target * adj;
|
||||
if (cout > 100000000) /* max clock = 100MHz */
|
||||
break;
|
||||
|
||||
/* cout/actual audio clock */
|
||||
cout = clk_round_rate(ick, cout);
|
||||
actual = cout / adj;
|
||||
|
||||
/* find best frequency */
|
||||
diff = abs(actual - target);
|
||||
if (diff < min) {
|
||||
min = diff;
|
||||
best_cout = cout;
|
||||
best_act = actual;
|
||||
}
|
||||
}
|
||||
|
||||
ret = clk_set_rate(ick, best_cout);
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "ick clock failed\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
ret = clk_set_rate(div, clk_round_rate(div, best_act));
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "div clock failed\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
dev_dbg(dev, "ick/div = %ld/%ld\n",
|
||||
clk_get_rate(ick), clk_get_rate(div));
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
|
||||
long rate, int enable)
|
||||
{
|
||||
set_rate_func set_rate = fsi_get_info_set_rate(fsi);
|
||||
int ret;
|
||||
|
||||
if (!set_rate)
|
||||
return 0;
|
||||
/*
|
||||
* CAUTION
|
||||
*
|
||||
* set_rate will be deleted
|
||||
*/
|
||||
if (!set_rate) {
|
||||
if (enable)
|
||||
return fsi_clk_enable(dev, fsi, rate);
|
||||
else
|
||||
return fsi_clk_disable(dev, fsi);
|
||||
}
|
||||
|
||||
ret = set_rate(dev, rate, enable);
|
||||
if (ret < 0) /* error */
|
||||
|
|
@ -792,10 +1147,9 @@ static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
|
|||
*/
|
||||
static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int samples)
|
||||
{
|
||||
u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE;
|
||||
int i;
|
||||
|
||||
if (enable_stream) {
|
||||
if (fsi_is_enable_stream(fsi)) {
|
||||
/*
|
||||
* stream mode
|
||||
* see
|
||||
|
|
@ -953,8 +1307,6 @@ static void fsi_pio_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
|
|||
|
||||
static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io)
|
||||
{
|
||||
u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE;
|
||||
|
||||
/*
|
||||
* we can use 16bit stream mode
|
||||
* when "playback" and "16bit data"
|
||||
|
|
@ -962,7 +1314,7 @@ static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io)
|
|||
* see
|
||||
* fsi_pio_push16()
|
||||
*/
|
||||
if (enable_stream)
|
||||
if (fsi_is_enable_stream(fsi))
|
||||
io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) |
|
||||
BUSOP_SET(16, PACKAGE_16BITBUS_STREAM);
|
||||
else
|
||||
|
|
@ -1296,6 +1648,16 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
|
|||
|
||||
/* clock inversion (CKG2) */
|
||||
data = 0;
|
||||
if (fsi->bit_clk_inv)
|
||||
data |= (1 << 0);
|
||||
if (fsi->lr_clk_inv)
|
||||
data |= (1 << 4);
|
||||
if (fsi_is_clk_master(fsi))
|
||||
data <<= 8;
|
||||
/* FIXME
|
||||
*
|
||||
* SH_FSI_xxx_INV style will be removed
|
||||
*/
|
||||
if (SH_FSI_LRM_INV & flags)
|
||||
data |= 1 << 12;
|
||||
if (SH_FSI_BRM_INV & flags)
|
||||
|
|
@ -1334,14 +1696,21 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
|
|||
/* fifo init */
|
||||
fsi_fifo_init(fsi, io, dev);
|
||||
|
||||
/* start master clock */
|
||||
if (fsi_is_clk_master(fsi))
|
||||
return fsi_set_master_clk(dev, fsi, fsi->rate, 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void fsi_hw_shutdown(struct fsi_priv *fsi,
|
||||
static int fsi_hw_shutdown(struct fsi_priv *fsi,
|
||||
struct device *dev)
|
||||
{
|
||||
/* stop master clock */
|
||||
if (fsi_is_clk_master(fsi))
|
||||
fsi_set_master_clk(dev, fsi, fsi->rate, 0);
|
||||
return fsi_set_master_clk(dev, fsi, fsi->rate, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fsi_dai_startup(struct snd_pcm_substream *substream,
|
||||
|
|
@ -1349,6 +1718,7 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream,
|
|||
{
|
||||
struct fsi_priv *fsi = fsi_get_priv(substream);
|
||||
|
||||
fsi_clk_invalid(fsi);
|
||||
fsi->rate = 0;
|
||||
|
||||
return 0;
|
||||
|
|
@ -1359,6 +1729,7 @@ static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
|
|||
{
|
||||
struct fsi_priv *fsi = fsi_get_priv(substream);
|
||||
|
||||
fsi_clk_invalid(fsi);
|
||||
fsi->rate = 0;
|
||||
}
|
||||
|
||||
|
|
@ -1372,13 +1743,16 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
|
|||
switch (cmd) {
|
||||
case SNDRV_PCM_TRIGGER_START:
|
||||
fsi_stream_init(fsi, io, substream);
|
||||
fsi_hw_startup(fsi, io, dai->dev);
|
||||
ret = fsi_stream_transfer(io);
|
||||
if (0 == ret)
|
||||
if (!ret)
|
||||
ret = fsi_hw_startup(fsi, io, dai->dev);
|
||||
if (!ret)
|
||||
ret = fsi_stream_transfer(io);
|
||||
if (!ret)
|
||||
fsi_stream_start(fsi, io);
|
||||
break;
|
||||
case SNDRV_PCM_TRIGGER_STOP:
|
||||
fsi_hw_shutdown(fsi, dai->dev);
|
||||
if (!ret)
|
||||
ret = fsi_hw_shutdown(fsi, dai->dev);
|
||||
fsi_stream_stop(fsi, io);
|
||||
fsi_stream_quit(fsi, io);
|
||||
break;
|
||||
|
|
@ -1414,7 +1788,6 @@ static int fsi_set_fmt_spdif(struct fsi_priv *fsi)
|
|||
|
||||
fsi->fmt = CR_DTMD_SPDIF_PCM | CR_PCM;
|
||||
fsi->chan_num = 2;
|
||||
fsi->spdif = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1423,7 +1796,6 @@ static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|||
{
|
||||
struct fsi_priv *fsi = fsi_get_priv_frm_dai(dai);
|
||||
set_rate_func set_rate = fsi_get_info_set_rate(fsi);
|
||||
u32 flags = fsi_get_info_flags(fsi);
|
||||
int ret;
|
||||
|
||||
/* set master/slave audio interface */
|
||||
|
|
@ -1437,22 +1809,49 @@ static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (fsi_is_clk_master(fsi) && !set_rate) {
|
||||
dev_err(dai->dev, "platform doesn't have set_rate\n");
|
||||
return -EINVAL;
|
||||
/* set clock inversion */
|
||||
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
||||
case SND_SOC_DAIFMT_NB_IF:
|
||||
fsi->bit_clk_inv = 0;
|
||||
fsi->lr_clk_inv = 1;
|
||||
break;
|
||||
case SND_SOC_DAIFMT_IB_NF:
|
||||
fsi->bit_clk_inv = 1;
|
||||
fsi->lr_clk_inv = 0;
|
||||
break;
|
||||
case SND_SOC_DAIFMT_IB_IF:
|
||||
fsi->bit_clk_inv = 1;
|
||||
fsi->lr_clk_inv = 1;
|
||||
break;
|
||||
case SND_SOC_DAIFMT_NB_NF:
|
||||
default:
|
||||
fsi->bit_clk_inv = 0;
|
||||
fsi->lr_clk_inv = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if (fsi_is_clk_master(fsi)) {
|
||||
/*
|
||||
* CAUTION
|
||||
*
|
||||
* set_rate will be deleted
|
||||
*/
|
||||
if (set_rate)
|
||||
dev_warn(dai->dev, "set_rate will be removed soon\n");
|
||||
|
||||
if (fsi->clk_cpg)
|
||||
fsi_clk_init(dai->dev, fsi, 0, 1, 1,
|
||||
fsi_clk_set_rate_cpg);
|
||||
else
|
||||
fsi_clk_init(dai->dev, fsi, 1, 1, 0,
|
||||
fsi_clk_set_rate_external);
|
||||
}
|
||||
|
||||
/* set format */
|
||||
switch (flags & SH_FSI_FMT_MASK) {
|
||||
case SH_FSI_FMT_DAI:
|
||||
ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
|
||||
break;
|
||||
case SH_FSI_FMT_SPDIF:
|
||||
if (fsi_is_spdif(fsi))
|
||||
ret = fsi_set_fmt_spdif(fsi);
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
}
|
||||
else
|
||||
ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -1462,19 +1861,13 @@ static int fsi_dai_hw_params(struct snd_pcm_substream *substream,
|
|||
struct snd_soc_dai *dai)
|
||||
{
|
||||
struct fsi_priv *fsi = fsi_get_priv(substream);
|
||||
long rate = params_rate(params);
|
||||
int ret;
|
||||
|
||||
if (!fsi_is_clk_master(fsi))
|
||||
return 0;
|
||||
if (fsi_is_clk_master(fsi)) {
|
||||
fsi->rate = params_rate(params);
|
||||
fsi_clk_valid(fsi, fsi->rate);
|
||||
}
|
||||
|
||||
ret = fsi_set_master_clk(dai->dev, fsi, rate, 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
fsi->rate = rate;
|
||||
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct snd_soc_dai_ops fsi_dai_ops = {
|
||||
|
|
@ -1498,7 +1891,7 @@ static struct snd_pcm_hardware fsi_pcm_hardware = {
|
|||
.rates = FSI_RATES,
|
||||
.rate_min = 8000,
|
||||
.rate_max = 192000,
|
||||
.channels_min = 1,
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
.buffer_bytes_max = 64 * 1024,
|
||||
.period_bytes_min = 32,
|
||||
|
|
@ -1586,14 +1979,14 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = {
|
|||
.playback = {
|
||||
.rates = FSI_RATES,
|
||||
.formats = FSI_FMTS,
|
||||
.channels_min = 1,
|
||||
.channels_max = 8,
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
},
|
||||
.capture = {
|
||||
.rates = FSI_RATES,
|
||||
.formats = FSI_FMTS,
|
||||
.channels_min = 1,
|
||||
.channels_max = 8,
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
},
|
||||
.ops = &fsi_dai_ops,
|
||||
},
|
||||
|
|
@ -1602,14 +1995,14 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = {
|
|||
.playback = {
|
||||
.rates = FSI_RATES,
|
||||
.formats = FSI_FMTS,
|
||||
.channels_min = 1,
|
||||
.channels_max = 8,
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
},
|
||||
.capture = {
|
||||
.rates = FSI_RATES,
|
||||
.formats = FSI_FMTS,
|
||||
.channels_min = 1,
|
||||
.channels_max = 8,
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
},
|
||||
.ops = &fsi_dai_ops,
|
||||
},
|
||||
|
|
@ -1624,15 +2017,29 @@ static struct snd_soc_platform_driver fsi_soc_platform = {
|
|||
/*
|
||||
* platform function
|
||||
*/
|
||||
static void fsi_handler_init(struct fsi_priv *fsi)
|
||||
static void fsi_port_info_init(struct fsi_priv *fsi,
|
||||
struct sh_fsi_port_info *info)
|
||||
{
|
||||
if (info->flags & SH_FSI_FMT_SPDIF)
|
||||
fsi->spdif = 1;
|
||||
|
||||
if (info->flags & SH_FSI_CLK_CPG)
|
||||
fsi->clk_cpg = 1;
|
||||
|
||||
if (info->flags & SH_FSI_ENABLE_STREAM_MODE)
|
||||
fsi->enable_stream = 1;
|
||||
}
|
||||
|
||||
static void fsi_handler_init(struct fsi_priv *fsi,
|
||||
struct sh_fsi_port_info *info)
|
||||
{
|
||||
fsi->playback.handler = &fsi_pio_push_handler; /* default PIO */
|
||||
fsi->playback.priv = fsi;
|
||||
fsi->capture.handler = &fsi_pio_pop_handler; /* default PIO */
|
||||
fsi->capture.priv = fsi;
|
||||
|
||||
if (fsi->info->tx_id) {
|
||||
fsi->playback.slave.shdma_slave.slave_id = fsi->info->tx_id;
|
||||
if (info->tx_id) {
|
||||
fsi->playback.slave.shdma_slave.slave_id = info->tx_id;
|
||||
fsi->playback.handler = &fsi_dma_push_handler;
|
||||
}
|
||||
}
|
||||
|
|
@ -1642,10 +2049,16 @@ static int fsi_probe(struct platform_device *pdev)
|
|||
struct fsi_master *master;
|
||||
const struct platform_device_id *id_entry;
|
||||
struct sh_fsi_platform_info *info = pdev->dev.platform_data;
|
||||
struct sh_fsi_port_info nul_info, *pinfo;
|
||||
struct fsi_priv *fsi;
|
||||
struct resource *res;
|
||||
unsigned int irq;
|
||||
int ret;
|
||||
|
||||
nul_info.flags = 0;
|
||||
nul_info.tx_id = 0;
|
||||
nul_info.rx_id = 0;
|
||||
|
||||
id_entry = pdev->id_entry;
|
||||
if (!id_entry) {
|
||||
dev_err(&pdev->dev, "unknown fsi device\n");
|
||||
|
|
@ -1678,22 +2091,28 @@ static int fsi_probe(struct platform_device *pdev)
|
|||
spin_lock_init(&master->lock);
|
||||
|
||||
/* FSI A setting */
|
||||
master->fsia.base = master->base;
|
||||
master->fsia.master = master;
|
||||
master->fsia.info = &info->port_a;
|
||||
fsi_handler_init(&master->fsia);
|
||||
ret = fsi_stream_probe(&master->fsia, &pdev->dev);
|
||||
pinfo = (info) ? &info->port_a : &nul_info;
|
||||
fsi = &master->fsia;
|
||||
fsi->base = master->base;
|
||||
fsi->master = master;
|
||||
fsi->info = pinfo;
|
||||
fsi_port_info_init(fsi, pinfo);
|
||||
fsi_handler_init(fsi, pinfo);
|
||||
ret = fsi_stream_probe(fsi, &pdev->dev);
|
||||
if (ret < 0) {
|
||||
dev_err(&pdev->dev, "FSIA stream probe failed\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* FSI B setting */
|
||||
master->fsib.base = master->base + 0x40;
|
||||
master->fsib.master = master;
|
||||
master->fsib.info = &info->port_b;
|
||||
fsi_handler_init(&master->fsib);
|
||||
ret = fsi_stream_probe(&master->fsib, &pdev->dev);
|
||||
pinfo = (info) ? &info->port_b : &nul_info;
|
||||
fsi = &master->fsib;
|
||||
fsi->base = master->base + 0x40;
|
||||
fsi->master = master;
|
||||
fsi->info = pinfo;
|
||||
fsi_port_info_init(fsi, pinfo);
|
||||
fsi_handler_init(fsi, pinfo);
|
||||
ret = fsi_stream_probe(fsi, &pdev->dev);
|
||||
if (ret < 0) {
|
||||
dev_err(&pdev->dev, "FSIB stream probe failed\n");
|
||||
goto exit_fsia;
|
||||
|
|
@ -1702,7 +2121,7 @@ static int fsi_probe(struct platform_device *pdev)
|
|||
pm_runtime_enable(&pdev->dev);
|
||||
dev_set_drvdata(&pdev->dev, master);
|
||||
|
||||
ret = request_irq(irq, &fsi_interrupt, 0,
|
||||
ret = devm_request_irq(&pdev->dev, irq, &fsi_interrupt, 0,
|
||||
id_entry->name, master);
|
||||
if (ret) {
|
||||
dev_err(&pdev->dev, "irq request err\n");
|
||||
|
|
@ -1712,7 +2131,7 @@ static int fsi_probe(struct platform_device *pdev)
|
|||
ret = snd_soc_register_platform(&pdev->dev, &fsi_soc_platform);
|
||||
if (ret < 0) {
|
||||
dev_err(&pdev->dev, "cannot snd soc register\n");
|
||||
goto exit_free_irq;
|
||||
goto exit_fsib;
|
||||
}
|
||||
|
||||
ret = snd_soc_register_dais(&pdev->dev, fsi_soc_dai,
|
||||
|
|
@ -1726,8 +2145,6 @@ static int fsi_probe(struct platform_device *pdev)
|
|||
|
||||
exit_snd_soc:
|
||||
snd_soc_unregister_platform(&pdev->dev);
|
||||
exit_free_irq:
|
||||
free_irq(irq, master);
|
||||
exit_fsib:
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
fsi_stream_remove(&master->fsib);
|
||||
|
|
@ -1743,7 +2160,6 @@ static int fsi_remove(struct platform_device *pdev)
|
|||
|
||||
master = dev_get_drvdata(&pdev->dev);
|
||||
|
||||
free_irq(master->irq, master);
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
|
||||
snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(fsi_soc_dai));
|
||||
|
|
@ -1774,10 +2190,6 @@ static void __fsi_resume(struct fsi_priv *fsi,
|
|||
return;
|
||||
|
||||
fsi_hw_startup(fsi, io, dev);
|
||||
|
||||
if (fsi_is_clk_master(fsi) && fsi->rate)
|
||||
fsi_set_master_clk(dev, fsi, fsi->rate, 1);
|
||||
|
||||
fsi_stream_start(fsi, io);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue