#include <linux/slab.h>
#include <plat/mcbsp.h>
-#include <plat/omap_device.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, omap_mcbsp_cache_size;
+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)
{
- if (cpu_class_is_omap1()) {
- ((u16 *)mcbsp->reg_cache)[reg / sizeof(u16)] = (u16)val;
- __raw_writew((u16)val, mcbsp->io_base + reg);
- } else if (cpu_is_omap2420()) {
- ((u16 *)mcbsp->reg_cache)[reg / sizeof(u32)] = (u16)val;
- __raw_writew((u16)val, mcbsp->io_base + reg);
+ void __iomem *addr = mcbsp->io_base + reg * mcbsp->pdata->reg_step;
+
+ if (mcbsp->pdata->reg_size == 2) {
+ ((u16 *)mcbsp->reg_cache)[reg] = (u16)val;
+ __raw_writew((u16)val, addr);
} else {
- ((u32 *)mcbsp->reg_cache)[reg / sizeof(u32)] = val;
- __raw_writel(val, mcbsp->io_base + reg);
+ ((u32 *)mcbsp->reg_cache)[reg] = val;
+ __raw_writel(val, addr);
}
}
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) :
- ((u16 *)mcbsp->reg_cache)[reg / sizeof(u16)];
- } else if (cpu_is_omap2420()) {
- return !from_cache ? __raw_readw(mcbsp->io_base + reg) :
- ((u16 *)mcbsp->reg_cache)[reg / sizeof(u32)];
+ void __iomem *addr = mcbsp->io_base + reg * mcbsp->pdata->reg_step;
+
+ if (mcbsp->pdata->reg_size == 2) {
+ return !from_cache ? __raw_readw(addr) :
+ ((u16 *)mcbsp->reg_cache)[reg];
} else {
- return !from_cache ? __raw_readl(mcbsp->io_base + reg) :
- ((u32 *)mcbsp->reg_cache)[reg / sizeof(u32)];
+ return !from_cache ? __raw_readl(addr) :
+ ((u32 *)mcbsp->reg_cache)[reg];
}
}
-#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)
MCBSP_WRITE(mcbsp, MCR2, config->mcr2);
MCBSP_WRITE(mcbsp, MCR1, config->mcr1);
MCBSP_WRITE(mcbsp, PCR0, config->pcr0);
- if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
+ if (mcbsp->pdata->has_ccr) {
MCBSP_WRITE(mcbsp, XCCR, config->xccr);
MCBSP_WRITE(mcbsp, RCCR, config->rccr);
}
}
mcbsp = id_to_mcbsp_ptr(id);
- data_reg = mcbsp->phys_dma_base;
-
- if (mcbsp->mcbsp_config_type < MCBSP_CONFIG_TYPE2) {
+ if (mcbsp->pdata->reg_size == 2) {
if (stream)
- data_reg += OMAP_MCBSP_REG_DRR1;
+ data_reg = OMAP_MCBSP_REG_DRR1;
else
- data_reg += OMAP_MCBSP_REG_DXR1;
+ data_reg = OMAP_MCBSP_REG_DXR1;
} else {
if (stream)
- data_reg += OMAP_MCBSP_REG_DRR;
+ data_reg = OMAP_MCBSP_REG_DRR;
else
- data_reg += OMAP_MCBSP_REG_DXR;
+ data_reg = OMAP_MCBSP_REG_DXR;
}
- return data_reg;
+ return mcbsp->phys_dma_base + data_reg * mcbsp->pdata->reg_step;
}
EXPORT_SYMBOL(omap_mcbsp_dma_reg_params);
-#ifdef CONFIG_ARCH_OMAP3
-static struct omap_device *find_omap_device_by_dev(struct device *dev)
-{
- struct platform_device *pdev = container_of(dev,
- struct platform_device, dev);
- return container_of(pdev, struct omap_device, pdev);
-}
-
static void omap_st_on(struct omap_mcbsp *mcbsp)
{
unsigned int w;
- struct omap_device *od;
- od = find_omap_device_by_dev(mcbsp->dev);
-
- /*
- * 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);
static void omap_st_off(struct omap_mcbsp *mcbsp)
{
unsigned int w;
- struct omap_device *od;
-
- od = find_omap_device_by_dev(mcbsp->dev);
w = MCBSP_ST_READ(mcbsp, SSELCR);
MCBSP_ST_WRITE(mcbsp, SSELCR, w & ~(ST_SIDETONEEN));
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)
{
u16 val, i;
- struct omap_device *od;
-
- od = find_omap_device_by_dev(mcbsp->dev);
val = MCBSP_ST_READ(mcbsp, SSELCR);
{
u16 w;
struct omap_mcbsp_st_data *st_data = mcbsp->st_data;
- struct omap_device *od;
-
- od = find_omap_device_by_dev(mcbsp->dev);
w = MCBSP_ST_READ(mcbsp, SSELCR);
{
struct omap_mcbsp *mcbsp;
- if (!cpu_is_omap34xx() && !cpu_is_omap44xx())
- return;
-
if (!omap_mcbsp_check_valid_id(id)) {
printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
return;
}
mcbsp = id_to_mcbsp_ptr(id);
+ if (mcbsp->pdata->buffer_size == 0)
+ return;
if (threshold && threshold <= mcbsp->max_tx_thres)
MCBSP_WRITE(mcbsp, THRSH2, threshold - 1);
{
struct omap_mcbsp *mcbsp;
- if (!cpu_is_omap34xx() && !cpu_is_omap44xx())
- return;
-
if (!omap_mcbsp_check_valid_id(id)) {
printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
return;
}
mcbsp = id_to_mcbsp_ptr(id);
+ if (mcbsp->pdata->buffer_size == 0)
+ return;
if (threshold && threshold <= mcbsp->max_rx_thres)
MCBSP_WRITE(mcbsp, THRSH1, threshold - 1);
return -ENODEV;
}
mcbsp = id_to_mcbsp_ptr(id);
+ if (mcbsp->pdata->buffer_size == 0)
+ return 0;
/* Returns the number of free locations in the buffer */
buffstat = MCBSP_READ(mcbsp, XBUFFSTAT);
return -ENODEV;
}
mcbsp = id_to_mcbsp_ptr(id);
+ if (mcbsp->pdata->buffer_size == 0)
+ return 0;
/* Returns the number of used locations in the buffer */
buffstat = MCBSP_READ(mcbsp, RBUFFSTAT);
}
EXPORT_SYMBOL(omap_mcbsp_get_dma_op_mode);
-static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
-{
- struct omap_device *od;
-
- od = find_omap_device_by_dev(mcbsp->dev);
- /*
- * Enable wakup behavior, smart idle and all wakeups
- * REVISIT: some wakeups may be unnecessary
- */
- if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
- MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN);
- }
-}
-
-static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp)
-{
- struct omap_device *od;
-
- od = find_omap_device_by_dev(mcbsp->dev);
-
- /*
- * Disable wakup behavior, smart idle and all wakeups
- */
- if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
- /*
- * HW bug workaround - If no_idle mode is taken, we need to
- * go to smart_idle before going to always_idle, or the
- * device will not hit retention anymore.
- */
-
- MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
- }
-}
-#else
-static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) {}
-static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) {}
-static inline void omap_st_start(struct omap_mcbsp *mcbsp) {}
-static inline void omap_st_stop(struct omap_mcbsp *mcbsp) {}
-#endif
-
int omap_mcbsp_request(unsigned int id)
{
struct omap_mcbsp *mcbsp;
}
mcbsp = id_to_mcbsp_ptr(id);
- reg_cache = kzalloc(omap_mcbsp_cache_size, GFP_KERNEL);
+ reg_cache = kzalloc(mcbsp->reg_cache_size, GFP_KERNEL);
if (!reg_cache) {
return -ENOMEM;
}
pm_runtime_get_sync(mcbsp->dev);
- /* Do procedure specific to omap34xx arch, if applicable */
- omap34xx_mcbsp_request(mcbsp);
+ /* Enable wakeup behavior */
+ if (mcbsp->pdata->has_wakeup)
+ MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN);
/*
* Make sure that transmitter, receiver and sample-rate generator are
if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
mcbsp->pdata->ops->free(id);
- /* Do procedure specific to omap34xx arch, if applicable */
- omap34xx_mcbsp_free(mcbsp);
+ /* Disable wakeup behavior */
+ if (mcbsp->pdata->has_wakeup)
+ MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
pm_runtime_put_sync(mcbsp->dev);
if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
mcbsp->pdata->ops->free(id);
- /* Do procedure specific to omap34xx arch, if applicable */
- omap34xx_mcbsp_free(mcbsp);
+ /* Disable wakeup behavior */
+ if (mcbsp->pdata->has_wakeup)
+ MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
pm_runtime_put_sync(mcbsp->dev);
}
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 << 7));
}
- if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
+ if (mcbsp->pdata->has_ccr) {
/* Release the transmitter and receiver */
w = MCBSP_READ_CACHE(mcbsp, XCCR);
w &= ~(tx ? XDISABLE : 0);
/* Reset transmitter */
tx &= 1;
- if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
+ if (mcbsp->pdata->has_ccr) {
w = MCBSP_READ_CACHE(mcbsp, XCCR);
w |= (tx ? XDISABLE : 0);
MCBSP_WRITE(mcbsp, XCCR, w);
/* Reset receiver */
rx &= 1;
- if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
+ if (mcbsp->pdata->has_ccr) {
w = MCBSP_READ_CACHE(mcbsp, RCCR);
w |= (rx ? RDISABLE : 0);
MCBSP_WRITE(mcbsp, RCCR, w);
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);
-#ifdef CONFIG_ARCH_OMAP3
#define max_thres(m) (mcbsp->pdata->buffer_size)
#define valid_threshold(m, val) ((val) <= max_thres(m))
#define THRESHOLD_PROP_BUILDER(prop) \
static DEVICE_ATTR(dma_op_mode, 0644, dma_op_mode_show, dma_op_mode_store);
+static const struct attribute *additional_attrs[] = {
+ &dev_attr_max_tx_thres.attr,
+ &dev_attr_max_rx_thres.attr,
+ &dev_attr_dma_op_mode.attr,
+ NULL,
+};
+
+static const struct attribute_group additional_attr_group = {
+ .attrs = (struct attribute **)additional_attrs,
+};
+
static ssize_t st_taps_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
static DEVICE_ATTR(st_taps, 0644, st_taps_show, st_taps_store);
-static const struct attribute *additional_attrs[] = {
- &dev_attr_max_tx_thres.attr,
- &dev_attr_max_rx_thres.attr,
- &dev_attr_dma_op_mode.attr,
- NULL,
-};
-
-static const struct attribute_group additional_attr_group = {
- .attrs = (struct attribute **)additional_attrs,
-};
-
-static inline int __devinit omap_additional_add(struct device *dev)
-{
- return sysfs_create_group(&dev->kobj, &additional_attr_group);
-}
-
-static inline void __devexit omap_additional_remove(struct device *dev)
-{
- sysfs_remove_group(&dev->kobj, &additional_attr_group);
-}
-
static const struct attribute *sidetone_attrs[] = {
&dev_attr_st_taps.attr,
NULL,
.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)
-{
- mcbsp->dma_op_mode = MCBSP_DMA_MODE_ELEMENT;
- if (cpu_is_omap34xx()) {
- /*
- * Initially configure the maximum thresholds to a safe value.
- * The McBSP FIFO usage with these values should not go under
- * 16 locations.
- * If the whole FIFO without safety buffer is used, than there
- * is a possibility that the DMA will be not able to push the
- * new data on time, causing channel shifts in runtime.
- */
- mcbsp->max_tx_thres = max_thres(mcbsp) - 0x10;
- mcbsp->max_rx_thres = max_thres(mcbsp) - 0x10;
- /*
- * REVISIT: Set dmap_op_mode to THRESHOLD as default
- * for mcbsp2 instances.
- */
- if (omap_additional_add(mcbsp->dev))
- dev_warn(mcbsp->dev,
- "Unable to create additional controls\n");
-
- if (mcbsp->id == 2 || mcbsp->id == 3)
- if (omap_st_add(mcbsp))
- dev_warn(mcbsp->dev,
- "Unable to create sidetone controls\n");
-
- } else {
- mcbsp->max_tx_thres = -EINVAL;
- mcbsp->max_rx_thres = -EINVAL;
- }
-}
-
-static inline void __devexit omap34xx_device_exit(struct omap_mcbsp *mcbsp)
-{
- if (cpu_is_omap34xx()) {
- omap_additional_remove(mcbsp->dev);
-
- 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->phys_base = res->start;
- omap_mcbsp_cache_size = resource_size(res);
+ mcbsp->reg_cache_size = resource_size(res);
mcbsp->io_base = ioremap(res->start, resource_size(res));
if (!mcbsp->io_base) {
ret = -ENOMEM;
mcbsp->pdata = pdata;
mcbsp->dev = &pdev->dev;
mcbsp_ptr[id] = mcbsp;
- mcbsp->mcbsp_config_type = pdata->mcbsp_config_type;
platform_set_drvdata(pdev, mcbsp);
pm_runtime_enable(mcbsp->dev);
- /* Initialize mcbsp properties for OMAP34XX if needed / applicable */
- omap34xx_device_init(mcbsp);
+ mcbsp->dma_op_mode = MCBSP_DMA_MODE_ELEMENT;
+ if (mcbsp->pdata->buffer_size) {
+ /*
+ * Initially configure the maximum thresholds to a safe value.
+ * The McBSP FIFO usage with these values should not go under
+ * 16 locations.
+ * If the whole FIFO without safety buffer is used, than there
+ * is a possibility that the DMA will be not able to push the
+ * new data on time, causing channel shifts in runtime.
+ */
+ mcbsp->max_tx_thres = max_thres(mcbsp) - 0x10;
+ mcbsp->max_rx_thres = max_thres(mcbsp) - 0x10;
+
+ ret = sysfs_create_group(&mcbsp->dev->kobj,
+ &additional_attr_group);
+ if (ret) {
+ dev_err(mcbsp->dev,
+ "Unable to create additional controls\n");
+ goto err_thres;
+ }
+ } else {
+ mcbsp->max_tx_thres = -EINVAL;
+ mcbsp->max_rx_thres = -EINVAL;
+ }
+
+ 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:
iounmap(mcbsp->io_base);
err_ioremap:
mcbsp->pdata->ops->free)
mcbsp->pdata->ops->free(mcbsp->id);
- omap34xx_device_exit(mcbsp);
+ if (mcbsp->pdata->buffer_size)
+ sysfs_remove_group(&mcbsp->dev->kobj,
+ &additional_attr_group);
+
+ if (mcbsp->st_data)
+ omap_st_remove(mcbsp);
clk_put(mcbsp->fclk);
git.openpandora.org / pandora-kernel.git / blobdiff