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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-22 20:19:01 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-22 20:19:01 +0100
commit2bbf6078dc948e87564c1a947f23ea4cf2349a13 (patch)
tree2fc93ee7a26febb4ff9554e40043f8e097726c6d /sound/soc/omap
parent02e79476998ba7e62842d20dca898c403ad55c7e (diff)
parentb8101048f0f3cd281ed4c4901e38ae2bcfb32030 (diff)
downloadblackbird-op-linux-2bbf6078dc948e87564c1a947f23ea4cf2349a13.tar.gz
blackbird-op-linux-2bbf6078dc948e87564c1a947f23ea4cf2349a13.zip
Merge branch 'asoc-omap' into for-3.7
Diffstat (limited to 'sound/soc/omap')
-rw-r--r--sound/soc/omap/am3517evm.c20
-rw-r--r--sound/soc/omap/mcbsp.c31
-rw-r--r--sound/soc/omap/mcbsp.h3
-rw-r--r--sound/soc/omap/omap-mcbsp.c106
-rw-r--r--sound/soc/omap/omap-mcbsp.h20
5 files changed, 101 insertions, 79 deletions
diff --git a/sound/soc/omap/am3517evm.c b/sound/soc/omap/am3517evm.c
index 009533ab8d18..a997988af147 100644
--- a/sound/soc/omap/am3517evm.c
+++ b/sound/soc/omap/am3517evm.c
@@ -47,26 +47,10 @@ static int am3517evm_hw_params(struct snd_pcm_substream *substream,
/* Set the codec system clock for DAC and ADC */
ret = snd_soc_dai_set_sysclk(codec_dai, 0,
CODEC_CLOCK, SND_SOC_CLOCK_IN);
- if (ret < 0) {
+ if (ret < 0)
printk(KERN_ERR "can't set codec system clock\n");
- return ret;
- }
-
- ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_CLKR_SRC_CLKX, 0,
- SND_SOC_CLOCK_IN);
- if (ret < 0) {
- printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_CLKR_SRC_CLKX\n");
- return ret;
- }
- snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0,
- SND_SOC_CLOCK_IN);
- if (ret < 0) {
- printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_FSR_SRC_FSX\n");
- return ret;
- }
-
- return 0;
+ return ret;
}
static struct snd_soc_ops am3517evm_ops = {
diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index 34835e8a9160..6afbc26cef70 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -24,6 +24,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/slab.h>
+#include <linux/pm_runtime.h>
#include <plat/mcbsp.h>
@@ -726,19 +727,39 @@ void omap_mcbsp_stop(struct omap_mcbsp *mcbsp, int tx, int rx)
int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id)
{
+ struct clk *fck_src;
const char *src;
+ int r;
if (fck_src_id == MCBSP_CLKS_PAD_SRC)
- src = "clks_ext";
+ src = "pad_fck";
else if (fck_src_id == MCBSP_CLKS_PRCM_SRC)
- src = "clks_fclk";
+ src = "prcm_fck";
else
return -EINVAL;
- if (mcbsp->pdata->set_clk_src)
- return mcbsp->pdata->set_clk_src(mcbsp->dev, mcbsp->fclk, src);
- else
+ fck_src = clk_get(mcbsp->dev, src);
+ if (IS_ERR(fck_src)) {
+ dev_err(mcbsp->dev, "CLKS: could not clk_get() %s\n", src);
return -EINVAL;
+ }
+
+ pm_runtime_put_sync(mcbsp->dev);
+
+ r = clk_set_parent(mcbsp->fclk, fck_src);
+ if (r) {
+ dev_err(mcbsp->dev, "CLKS: could not clk_set_parent() to %s\n",
+ src);
+ clk_put(fck_src);
+ return r;
+ }
+
+ pm_runtime_get_sync(mcbsp->dev);
+
+ clk_put(fck_src);
+
+ return 0;
+
}
int omap_mcbsp_6pin_src_mux(struct omap_mcbsp *mcbsp, u8 mux)
diff --git a/sound/soc/omap/mcbsp.h b/sound/soc/omap/mcbsp.h
index 262a6152111f..49a67259ce5a 100644
--- a/sound/soc/omap/mcbsp.h
+++ b/sound/soc/omap/mcbsp.h
@@ -334,9 +334,6 @@ void omap_mcbsp_stop(struct omap_mcbsp *mcbsp, int tx, int rx);
/* McBSP functional clock source changing function */
int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id);
-/* McBSP signal muxing API */
-int omap_mcbsp_6pin_src_mux(struct omap_mcbsp *mcbsp, u8 mux);
-
/* Sidetone specific API */
int omap_st_set_chgain(struct omap_mcbsp *mcbsp, int channel, s16 chgain);
int omap_st_get_chgain(struct omap_mcbsp *mcbsp, int channel, s16 *chgain);
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index acdd3ef14e08..d6de066ad7ea 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -26,6 +26,8 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -398,12 +400,14 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
/* Generic McBSP register settings */
regs->spcr2 |= XINTM(3) | FREE;
regs->spcr1 |= RINTM(3);
- /* RFIG and XFIG are not defined in 34xx */
- if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) {
+ /* RFIG and XFIG are not defined in 2430 and on OMAP3+ */
+ if (!mcbsp->pdata->has_ccr) {
regs->rcr2 |= RFIG;
regs->xcr2 |= XFIG;
}
- if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
+
+ /* Configure XCCR/RCCR only for revisions which have ccr registers */
+ if (mcbsp->pdata->has_ccr) {
regs->xccr = DXENDLY(1) | XDMAEN | XDISABLE;
regs->rccr = RFULL_CYCLE | RDMAEN | RDISABLE;
}
@@ -516,21 +520,9 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
return -EBUSY;
}
- if (clk_id == OMAP_MCBSP_SYSCLK_CLK ||
- clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK ||
- clk_id == OMAP_MCBSP_SYSCLK_CLKS_EXT ||
- clk_id == OMAP_MCBSP_SYSCLK_CLKX_EXT ||
- clk_id == OMAP_MCBSP_SYSCLK_CLKR_EXT) {
- mcbsp->in_freq = freq;
- regs->srgr2 &= ~CLKSM;
- regs->pcr0 &= ~SCLKME;
- } else if (cpu_class_is_omap1()) {
- /*
- * McBSP CLKR/FSR signal muxing functions are only available on
- * OMAP2 or newer versions
- */
- return -EINVAL;
- }
+ mcbsp->in_freq = freq;
+ regs->srgr2 &= ~CLKSM;
+ regs->pcr0 &= ~SCLKME;
switch (clk_id) {
case OMAP_MCBSP_SYSCLK_CLK:
@@ -558,20 +550,6 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
case OMAP_MCBSP_SYSCLK_CLKR_EXT:
regs->pcr0 |= SCLKME;
break;
-
-
- case OMAP_MCBSP_CLKR_SRC_CLKR:
- err = omap_mcbsp_6pin_src_mux(mcbsp, CLKR_SRC_CLKR);
- break;
- case OMAP_MCBSP_CLKR_SRC_CLKX:
- err = omap_mcbsp_6pin_src_mux(mcbsp, CLKR_SRC_CLKX);
- break;
- case OMAP_MCBSP_FSR_SRC_FSR:
- err = omap_mcbsp_6pin_src_mux(mcbsp, FSR_SRC_FSR);
- break;
- case OMAP_MCBSP_FSR_SRC_FSX:
- err = omap_mcbsp_6pin_src_mux(mcbsp, FSR_SRC_FSX);
- break;
default:
err = -ENODEV;
}
@@ -761,13 +739,74 @@ int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd)
}
EXPORT_SYMBOL_GPL(omap_mcbsp_st_add_controls);
+static struct omap_mcbsp_platform_data omap2420_pdata = {
+ .reg_step = 4,
+ .reg_size = 2,
+};
+
+static struct omap_mcbsp_platform_data omap2430_pdata = {
+ .reg_step = 4,
+ .reg_size = 4,
+ .has_ccr = true,
+};
+
+static struct omap_mcbsp_platform_data omap3_pdata = {
+ .reg_step = 4,
+ .reg_size = 4,
+ .has_ccr = true,
+ .has_wakeup = true,
+};
+
+static struct omap_mcbsp_platform_data omap4_pdata = {
+ .reg_step = 4,
+ .reg_size = 4,
+ .has_ccr = true,
+ .has_wakeup = true,
+};
+
+static const struct of_device_id omap_mcbsp_of_match[] = {
+ {
+ .compatible = "ti,omap2420-mcbsp",
+ .data = &omap2420_pdata,
+ },
+ {
+ .compatible = "ti,omap2430-mcbsp",
+ .data = &omap2430_pdata,
+ },
+ {
+ .compatible = "ti,omap3-mcbsp",
+ .data = &omap3_pdata,
+ },
+ {
+ .compatible = "ti,omap4-mcbsp",
+ .data = &omap4_pdata,
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(of, omap_mcbsp_of_match);
+
static __devinit int asoc_mcbsp_probe(struct platform_device *pdev)
{
struct omap_mcbsp_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct omap_mcbsp *mcbsp;
+ const struct of_device_id *match;
int ret;
- if (!pdata) {
+ match = of_match_device(omap_mcbsp_of_match, &pdev->dev);
+ if (match) {
+ struct device_node *node = pdev->dev.of_node;
+ int buffer_size;
+
+ pdata = devm_kzalloc(&pdev->dev,
+ sizeof(struct omap_mcbsp_platform_data),
+ GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ memcpy(pdata, match->data, sizeof(*pdata));
+ if (!of_property_read_u32(node, "ti,buffer-size", &buffer_size))
+ pdata->buffer_size = buffer_size;
+ } else if (!pdata) {
dev_err(&pdev->dev, "missing platform data.\n");
return -EINVAL;
}
@@ -809,6 +848,7 @@ static struct platform_driver asoc_mcbsp_driver = {
.driver = {
.name = "omap-mcbsp",
.owner = THIS_MODULE,
+ .of_match_table = omap_mcbsp_of_match,
},
.probe = asoc_mcbsp_probe,
diff --git a/sound/soc/omap/omap-mcbsp.h b/sound/soc/omap/omap-mcbsp.h
index f877b16f19c9..ba8386a0d8dc 100644
--- a/sound/soc/omap/omap-mcbsp.h
+++ b/sound/soc/omap/omap-mcbsp.h
@@ -32,10 +32,6 @@ enum omap_mcbsp_clksrg_clk {
OMAP_MCBSP_SYSCLK_CLK, /* Internal ICLK */
OMAP_MCBSP_SYSCLK_CLKX_EXT, /* External CLKX pin */
OMAP_MCBSP_SYSCLK_CLKR_EXT, /* External CLKR pin */
- OMAP_MCBSP_CLKR_SRC_CLKR, /* CLKR from CLKR pin */
- OMAP_MCBSP_CLKR_SRC_CLKX, /* CLKR from CLKX pin */
- OMAP_MCBSP_FSR_SRC_FSR, /* FSR from FSR pin */
- OMAP_MCBSP_FSR_SRC_FSX, /* FSR from FSX pin */
};
/* McBSP dividers */
@@ -43,22 +39,6 @@ enum omap_mcbsp_div {
OMAP_MCBSP_CLKGDV, /* Sample rate generator divider */
};
-#if defined(CONFIG_SOC_OMAP2420)
-#define NUM_LINKS 2
-#endif
-#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
-#undef NUM_LINKS
-#define NUM_LINKS 3
-#endif
-#if defined(CONFIG_ARCH_OMAP4)
-#undef NUM_LINKS
-#define NUM_LINKS 4
-#endif
-#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_OMAP2430)
-#undef NUM_LINKS
-#define NUM_LINKS 5
-#endif
-
int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd);
#endif
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