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Diffstat (limited to 'sound/soc/omap/mcbsp.c')
-rw-r--r--sound/soc/omap/mcbsp.c120
1 files changed, 58 insertions, 62 deletions
diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index 34835e8a916..86c75384c3c 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -24,8 +24,9 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/slab.h>
+#include <linux/pm_runtime.h>
-#include <plat/mcbsp.h>
+#include <linux/platform_data/asoc-ti-mcbsp.h>
#include "mcbsp.h"
@@ -35,10 +36,10 @@ static void omap_mcbsp_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
if (mcbsp->pdata->reg_size == 2) {
((u16 *)mcbsp->reg_cache)[reg] = (u16)val;
- __raw_writew((u16)val, addr);
+ writew_relaxed((u16)val, addr);
} else {
((u32 *)mcbsp->reg_cache)[reg] = val;
- __raw_writel(val, addr);
+ writel_relaxed(val, addr);
}
}
@@ -47,22 +48,22 @@ static int omap_mcbsp_read(struct omap_mcbsp *mcbsp, u16 reg, bool from_cache)
void __iomem *addr = mcbsp->io_base + reg * mcbsp->pdata->reg_step;
if (mcbsp->pdata->reg_size == 2) {
- return !from_cache ? __raw_readw(addr) :
+ return !from_cache ? readw_relaxed(addr) :
((u16 *)mcbsp->reg_cache)[reg];
} else {
- return !from_cache ? __raw_readl(addr) :
+ return !from_cache ? readl_relaxed(addr) :
((u32 *)mcbsp->reg_cache)[reg];
}
}
static void omap_mcbsp_st_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
{
- __raw_writel(val, mcbsp->st_data->io_base_st + reg);
+ writel_relaxed(val, mcbsp->st_data->io_base_st + reg);
}
static int omap_mcbsp_st_read(struct omap_mcbsp *mcbsp, u16 reg)
{
- return __raw_readl(mcbsp->st_data->io_base_st + reg);
+ return readl_relaxed(mcbsp->st_data->io_base_st + reg);
}
#define MCBSP_READ(mcbsp, reg) \
@@ -609,7 +610,7 @@ void omap_mcbsp_free(struct omap_mcbsp *mcbsp)
* system will refuse to enter idle if the CLKS pin source is not reset
* back to internal source.
*/
- if (!cpu_class_is_omap1())
+ if (!mcbsp_omap1())
omap2_mcbsp_set_clks_src(mcbsp, MCBSP_CLKS_PRCM_SRC);
spin_lock(&mcbsp->lock);
@@ -726,50 +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;
-}
-
-int omap_mcbsp_6pin_src_mux(struct omap_mcbsp *mcbsp, u8 mux)
-{
- const char *signal, *src;
+ }
- if (mcbsp->pdata->mux_signal)
- return -EINVAL;
+ pm_runtime_put_sync(mcbsp->dev);
- switch (mux) {
- case CLKR_SRC_CLKR:
- signal = "clkr";
- src = "clkr";
- break;
- case CLKR_SRC_CLKX:
- signal = "clkr";
- src = "clkx";
- break;
- case FSR_SRC_FSR:
- signal = "fsr";
- src = "fsr";
- break;
- case FSR_SRC_FSX:
- signal = "fsr";
- src = "fsx";
- break;
- default:
- return -EINVAL;
+ 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;
}
- return mcbsp->pdata->mux_signal(mcbsp->dev, signal, src);
+ pm_runtime_get_sync(mcbsp->dev);
+
+ clk_put(fck_src);
+
+ return 0;
+
}
#define max_thres(m) (mcbsp->pdata->buffer_size)
@@ -791,7 +781,7 @@ static ssize_t prop##_store(struct device *dev, \
unsigned long val; \
int status; \
\
- status = strict_strtoul(buf, 0, &val); \
+ status = kstrtoul(buf, 0, &val); \
if (status) \
return status; \
\
@@ -940,8 +930,7 @@ static const struct attribute_group sidetone_attr_group = {
.attrs = (struct attribute **)sidetone_attrs,
};
-static int __devinit omap_st_add(struct omap_mcbsp *mcbsp,
- struct resource *res)
+static int omap_st_add(struct omap_mcbsp *mcbsp, struct resource *res)
{
struct omap_mcbsp_st_data *st_data;
int err;
@@ -967,7 +956,7 @@ static int __devinit omap_st_add(struct omap_mcbsp *mcbsp,
* McBSP1 and McBSP3 are directly mapped on 1610 and 1510.
* 730 has only 2 McBSP, and both of them are MPU peripherals.
*/
-int __devinit omap_mcbsp_init(struct platform_device *pdev)
+int omap_mcbsp_init(struct platform_device *pdev)
{
struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev);
struct resource *res;
@@ -1023,25 +1012,32 @@ int __devinit omap_mcbsp_init(struct platform_device *pdev)
}
}
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
- if (!res) {
- dev_err(&pdev->dev, "invalid rx DMA channel\n");
- return -ENODEV;
- }
- /* RX DMA request number, and port address configuration */
- mcbsp->dma_data[1].name = "Audio Capture";
- mcbsp->dma_data[1].dma_req = res->start;
- mcbsp->dma_data[1].port_addr = omap_mcbsp_dma_reg_params(mcbsp, 1);
+ if (!pdev->dev.of_node) {
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
+ if (!res) {
+ dev_err(&pdev->dev, "invalid tx DMA channel\n");
+ return -ENODEV;
+ }
+ mcbsp->dma_req[0] = res->start;
+ mcbsp->dma_data[0].filter_data = &mcbsp->dma_req[0];
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
- if (!res) {
- dev_err(&pdev->dev, "invalid tx DMA channel\n");
- return -ENODEV;
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
+ if (!res) {
+ dev_err(&pdev->dev, "invalid rx DMA channel\n");
+ return -ENODEV;
+ }
+ mcbsp->dma_req[1] = res->start;
+ mcbsp->dma_data[1].filter_data = &mcbsp->dma_req[1];
+ } else {
+ mcbsp->dma_data[0].filter_data = "tx";
+ mcbsp->dma_data[1].filter_data = "rx";
}
- /* TX DMA request number, and port address configuration */
- mcbsp->dma_data[0].name = "Audio Playback";
- mcbsp->dma_data[0].dma_req = res->start;
- mcbsp->dma_data[0].port_addr = omap_mcbsp_dma_reg_params(mcbsp, 0);
+
+ mcbsp->dma_data[0].addr = omap_mcbsp_dma_reg_params(mcbsp, 0);
+ mcbsp->dma_data[0].maxburst = 4;
+
+ mcbsp->dma_data[1].addr = omap_mcbsp_dma_reg_params(mcbsp, 1);
+ mcbsp->dma_data[1].maxburst = 4;
mcbsp->fclk = clk_get(&pdev->dev, "fck");
if (IS_ERR(mcbsp->fclk)) {
@@ -1095,7 +1091,7 @@ err_thres:
return ret;
}
-void __devexit omap_mcbsp_sysfs_remove(struct omap_mcbsp *mcbsp)
+void omap_mcbsp_sysfs_remove(struct omap_mcbsp *mcbsp)
{
if (mcbsp->pdata->buffer_size)
sysfs_remove_group(&mcbsp->dev->kobj, &additional_attr_group);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 13:11:32 +0000