#include <plat/mcbsp.h>
#include <linux/pm_runtime.h>
-/* XXX These "sideways" includes are a sign that something is wrong */
-#include "../mach-omap2/cm2xxx_3xxx.h"
-#include "../mach-omap2/cm-regbits-34xx.h"
-
struct omap_mcbsp **mcbsp_ptr;
int omap_mcbsp_count;
+#define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count)
+#define id_to_mcbsp_ptr(id) mcbsp_ptr[id];
+
static void omap_mcbsp_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
{
void __iomem *addr = mcbsp->io_base + reg * mcbsp->pdata->reg_step;
}
}
-#ifdef CONFIG_ARCH_OMAP3
static void omap_mcbsp_st_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
{
__raw_writel(val, mcbsp->st_data->io_base_st + reg);
{
return __raw_readl(mcbsp->st_data->io_base_st + reg);
}
-#endif
#define MCBSP_READ(mcbsp, reg) \
omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 0)
}
EXPORT_SYMBOL(omap_mcbsp_dma_reg_params);
-#ifdef CONFIG_ARCH_OMAP3
static void omap_st_on(struct omap_mcbsp *mcbsp)
{
unsigned int w;
- /*
- * Sidetone uses McBSP ICLK - which must not idle when sidetones
- * are enabled or sidetones start sounding ugly.
- */
- w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
- w &= ~(1 << (mcbsp->id - 2));
- omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
+ if (mcbsp->pdata->enable_st_clock)
+ mcbsp->pdata->enable_st_clock(mcbsp->id, 1);
/* Enable McBSP Sidetone */
w = MCBSP_READ(mcbsp, SSELCR);
w = MCBSP_READ(mcbsp, SSELCR);
MCBSP_WRITE(mcbsp, SSELCR, w & ~(SIDETONEEN));
- w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
- w |= 1 << (mcbsp->id - 2);
- omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
+ if (mcbsp->pdata->enable_st_clock)
+ mcbsp->pdata->enable_st_clock(mcbsp->id, 0);
}
static void omap_st_fir_write(struct omap_mcbsp *mcbsp, s16 *fir)
}
EXPORT_SYMBOL(omap_st_is_enabled);
-#else
-static inline void omap_st_start(struct omap_mcbsp *mcbsp) {}
-static inline void omap_st_stop(struct omap_mcbsp *mcbsp) {}
-#endif
-
/*
* omap_mcbsp_set_rx_threshold configures the transmit threshold in words.
* The threshold parameter is 1 based, and it is converted (threshold - 1)
}
mcbsp = id_to_mcbsp_ptr(id);
- if (cpu_is_omap34xx())
+ if (mcbsp->st_data)
omap_st_start(mcbsp);
/* Only enable SRG, if McBSP is master */
MCBSP_WRITE(mcbsp, SPCR2, w & ~(1 << 6));
}
- if (cpu_is_omap34xx())
+ if (mcbsp->st_data)
omap_st_stop(mcbsp);
}
EXPORT_SYMBOL(omap_mcbsp_stop);
-/*
- * The following functions are only required on an OMAP1-only build.
- * mach-omap2/mcbsp.c contains the real functions
- */
-#ifndef CONFIG_ARCH_OMAP2PLUS
int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
{
- WARN(1, "%s: should never be called on an OMAP1-only kernel\n",
- __func__);
- return -EINVAL;
+ struct omap_mcbsp *mcbsp;
+ const char *src;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ pr_err("%s: Invalid id (%d)\n", __func__, id + 1);
+ return -EINVAL;
+ }
+ mcbsp = id_to_mcbsp_ptr(id);
+
+ if (fck_src_id == MCBSP_CLKS_PAD_SRC)
+ src = "clks_ext";
+ else if (fck_src_id == MCBSP_CLKS_PRCM_SRC)
+ src = "clks_fclk";
+ else
+ return -EINVAL;
+
+ if (mcbsp->pdata->set_clk_src)
+ return mcbsp->pdata->set_clk_src(mcbsp->dev, mcbsp->fclk, src);
+ else
+ return -EINVAL;
}
+EXPORT_SYMBOL(omap2_mcbsp_set_clks_src);
void omap2_mcbsp1_mux_clkr_src(u8 mux)
{
- WARN(1, "%s: should never be called on an OMAP1-only kernel\n",
- __func__);
- return;
+ struct omap_mcbsp *mcbsp;
+ const char *src;
+
+ if (mux == CLKR_SRC_CLKR)
+ src = "clkr";
+ else if (mux == CLKR_SRC_CLKX)
+ src = "clkx";
+ else
+ return;
+
+ mcbsp = id_to_mcbsp_ptr(0);
+ if (mcbsp->pdata->mux_signal)
+ mcbsp->pdata->mux_signal(mcbsp->dev, "clkr", src);
}
+EXPORT_SYMBOL(omap2_mcbsp1_mux_clkr_src);
void omap2_mcbsp1_mux_fsr_src(u8 mux)
{
- WARN(1, "%s: should never be called on an OMAP1-only kernel\n",
- __func__);
- return;
+ struct omap_mcbsp *mcbsp;
+ const char *src;
+
+ if (mux == FSR_SRC_FSR)
+ src = "fsr";
+ else if (mux == FSR_SRC_FSX)
+ src = "fsx";
+ else
+ return;
+
+ mcbsp = id_to_mcbsp_ptr(0);
+ if (mcbsp->pdata->mux_signal)
+ mcbsp->pdata->mux_signal(mcbsp->dev, "fsr", src);
}
-#endif
+EXPORT_SYMBOL(omap2_mcbsp1_mux_fsr_src);
#define max_thres(m) (mcbsp->pdata->buffer_size)
#define valid_threshold(m, val) ((val) <= max_thres(m))
.attrs = (struct attribute **)additional_attrs,
};
-#ifdef CONFIG_ARCH_OMAP3
static ssize_t st_taps_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
.attrs = (struct attribute **)sidetone_attrs,
};
-static int __devinit omap_st_add(struct omap_mcbsp *mcbsp)
+static int __devinit omap_st_add(struct omap_mcbsp *mcbsp,
+ struct resource *res)
{
- struct platform_device *pdev;
- struct resource *res;
struct omap_mcbsp_st_data *st_data;
int err;
goto err1;
}
- pdev = container_of(mcbsp->dev, struct platform_device, dev);
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sidetone");
st_data->io_base_st = ioremap(res->start, resource_size(res));
if (!st_data->io_base_st) {
err = -ENOMEM;
{
struct omap_mcbsp_st_data *st_data = mcbsp->st_data;
- if (st_data) {
- sysfs_remove_group(&mcbsp->dev->kobj, &sidetone_attr_group);
- iounmap(st_data->io_base_st);
- kfree(st_data);
- }
-}
-
-static inline void __devinit omap34xx_device_init(struct omap_mcbsp *mcbsp)
-{
- if (cpu_is_omap34xx())
- if (mcbsp->id == 2 || mcbsp->id == 3)
- if (omap_st_add(mcbsp))
- dev_warn(mcbsp->dev,
- "Unable to create sidetone controls\n");
-}
-
-static inline void __devexit omap34xx_device_exit(struct omap_mcbsp *mcbsp)
-{
- if (cpu_is_omap34xx())
- if (mcbsp->id == 2 || mcbsp->id == 3)
- omap_st_remove(mcbsp);
+ sysfs_remove_group(&mcbsp->dev->kobj, &sidetone_attr_group);
+ iounmap(st_data->io_base_st);
+ kfree(st_data);
}
-#else
-static inline void __devinit omap34xx_device_init(struct omap_mcbsp *mcbsp) {}
-static inline void __devexit omap34xx_device_exit(struct omap_mcbsp *mcbsp) {}
-#endif /* CONFIG_ARCH_OMAP3 */
/*
* McBSP1 and McBSP3 are directly mapped on 1610 and 1510.
mcbsp->max_rx_thres = -EINVAL;
}
- /* Initialize mcbsp properties for OMAP34XX if needed / applicable */
- omap34xx_device_init(mcbsp);
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sidetone");
+ if (res) {
+ ret = omap_st_add(mcbsp, res);
+ if (ret) {
+ dev_err(mcbsp->dev,
+ "Unable to create sidetone controls\n");
+ goto err_st;
+ }
+ }
return 0;
+err_st:
+ if (mcbsp->pdata->buffer_size)
+ sysfs_remove_group(&mcbsp->dev->kobj,
+ &additional_attr_group);
err_thres:
clk_put(mcbsp->fclk);
err_res:
sysfs_remove_group(&mcbsp->dev->kobj,
&additional_attr_group);
- omap34xx_device_exit(mcbsp);
+ if (mcbsp->st_data)
+ omap_st_remove(mcbsp);
clk_put(mcbsp->fclk);