#include <plat/dma.h>
#include <plat/mcbsp.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, omap_mcbsp_cache_size;
-void omap_mcbsp_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
+static void omap_mcbsp_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
{
if (cpu_class_is_omap1()) {
((u16 *)mcbsp->reg_cache)[reg / sizeof(u16)] = (u16)val;
}
}
-int omap_mcbsp_read(struct omap_mcbsp *mcbsp, u16 reg, bool from_cache)
+static int omap_mcbsp_read(struct omap_mcbsp *mcbsp, u16 reg, bool from_cache)
{
if (cpu_class_is_omap1()) {
return !from_cache ? __raw_readw(mcbsp->io_base + reg) :
}
#ifdef CONFIG_ARCH_OMAP3
-void omap_mcbsp_st_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
+static void omap_mcbsp_st_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
{
__raw_writel(val, mcbsp->st_data->io_base_st + reg);
}
-int omap_mcbsp_st_read(struct omap_mcbsp *mcbsp, u16 reg)
+static int omap_mcbsp_st_read(struct omap_mcbsp *mcbsp, u16 reg)
{
return __raw_readl(mcbsp->st_data->io_base_st + reg);
}
#define MCBSP_READ_CACHE(mcbsp, reg) \
omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 1)
-#define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count)
-#define id_to_mcbsp_ptr(id) mcbsp_ptr[id];
-
#define MCBSP_ST_READ(mcbsp, reg) \
omap_mcbsp_st_read(mcbsp, OMAP_ST_REG_##reg)
#define MCBSP_ST_WRITE(mcbsp, reg, val) \
* Sidetone uses McBSP ICLK - which must not idle when sidetones
* are enabled or sidetones start sounding ugly.
*/
- w = cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
+ w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
w &= ~(1 << (mcbsp->id - 2));
- cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
+ omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
/* Enable McBSP Sidetone */
w = MCBSP_READ(mcbsp, SSELCR);
w = MCBSP_READ(mcbsp, SSELCR);
MCBSP_WRITE(mcbsp, SSELCR, w & ~(SIDETONEEN));
- w = cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
+ w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
w |= 1 << (mcbsp->id - 2);
- cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
+ omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
}
static void omap_st_fir_write(struct omap_mcbsp *mcbsp, s16 *fir)
goto err_kfree;
}
- mcbsp->free = 0;
+ mcbsp->free = false;
mcbsp->reg_cache = reg_cache;
spin_unlock(&mcbsp->lock);
clk_disable(mcbsp->iclk);
spin_lock(&mcbsp->lock);
- mcbsp->free = 1;
+ mcbsp->free = true;
mcbsp->reg_cache = NULL;
err_kfree:
spin_unlock(&mcbsp->lock);
if (mcbsp->free)
dev_err(mcbsp->dev, "McBSP%d was not reserved\n", mcbsp->id);
else
- mcbsp->free = 1;
+ mcbsp->free = true;
mcbsp->reg_cache = NULL;
spin_unlock(&mcbsp->lock);
void omap_mcbsp_start(unsigned int id, int tx, int rx)
{
struct omap_mcbsp *mcbsp;
- int idle;
+ int enable_srg = 0;
u16 w;
if (!omap_mcbsp_check_valid_id(id)) {
mcbsp->rx_word_length = (MCBSP_READ_CACHE(mcbsp, RCR1) >> 5) & 0x7;
mcbsp->tx_word_length = (MCBSP_READ_CACHE(mcbsp, XCR1) >> 5) & 0x7;
- idle = !((MCBSP_READ_CACHE(mcbsp, SPCR2) |
- MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1);
+ /* Only enable SRG, if McBSP is master */
+ w = MCBSP_READ_CACHE(mcbsp, PCR0);
+ if (w & (FSXM | FSRM | CLKXM | CLKRM))
+ enable_srg = !((MCBSP_READ_CACHE(mcbsp, SPCR2) |
+ MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1);
- if (idle) {
+ if (enable_srg) {
/* Start the sample generator */
w = MCBSP_READ_CACHE(mcbsp, SPCR2);
MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 6));
*/
udelay(500);
- if (idle) {
+ if (enable_srg) {
/* Start frame sync */
w = MCBSP_READ_CACHE(mcbsp, SPCR2);
MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 7));
.attrs = (struct attribute **)sidetone_attrs,
};
-int __devinit omap_st_add(struct omap_mcbsp *mcbsp)
+static int __devinit omap_st_add(struct omap_mcbsp *mcbsp)
{
struct omap_mcbsp_platform_data *pdata = mcbsp->pdata;
struct omap_mcbsp_st_data *st_data;
spin_lock_init(&mcbsp->lock);
mcbsp->id = id + 1;
- mcbsp->free = 1;
+ mcbsp->free = true;
mcbsp->dma_tx_lch = -1;
mcbsp->dma_rx_lch = -1;
omap34xx_device_exit(mcbsp);
- clk_disable(mcbsp->fclk);
- clk_disable(mcbsp->iclk);
clk_put(mcbsp->fclk);
clk_put(mcbsp->iclk);
iounmap(mcbsp->io_base);
-
- mcbsp->fclk = NULL;
- mcbsp->iclk = NULL;
- mcbsp->free = 0;
- mcbsp->dev = NULL;
+ kfree(mcbsp);
}
return 0;