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-rw-r--r--arch/arm/plat-omap/devices.c10
-rw-r--r--arch/arm/plat-omap/include/plat/iommu.h14
-rw-r--r--arch/arm/plat-omap/include/plat/mcbsp.h50
-rw-r--r--arch/arm/plat-omap/include/plat/mmc.h29
-rw-r--r--arch/arm/plat-omap/include/plat/omap_hwmod.h4
-rw-r--r--arch/arm/plat-omap/iommu.c55
-rw-r--r--arch/arm/plat-omap/mcbsp.c203
7 files changed, 245 insertions, 120 deletions
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 10245b837c1..7d9f815cede 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -35,8 +35,8 @@
static struct platform_device **omap_mcbsp_devices;
-void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
- int size)
+void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
+ struct omap_mcbsp_platform_data *config, int size)
{
int i;
@@ -54,6 +54,8 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
if (!new_mcbsp)
continue;
+ platform_device_add_resources(new_mcbsp, &res[i * res_count],
+ res_count);
new_mcbsp->dev.platform_data = &config[i];
ret = platform_device_add(new_mcbsp);
if (ret) {
@@ -65,8 +67,8 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
}
#else
-void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
- int size)
+void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
+ struct omap_mcbsp_platform_data *config, int size)
{ }
#endif
diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
index 19cbb5e9ece..174f1b9c8c0 100644
--- a/arch/arm/plat-omap/include/plat/iommu.h
+++ b/arch/arm/plat-omap/include/plat/iommu.h
@@ -31,6 +31,7 @@ struct iommu {
struct clk *clk;
void __iomem *regbase;
struct device *dev;
+ void *isr_priv;
unsigned int refcount;
struct mutex iommu_lock; /* global for this whole object */
@@ -47,7 +48,7 @@ struct iommu {
struct list_head mmap;
struct mutex mmap_lock; /* protect mmap */
- int (*isr)(struct iommu *obj);
+ int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs, void *priv);
void *ctx; /* iommu context: registres saved area */
u32 da_start;
@@ -109,6 +110,13 @@ struct iommu_platform_data {
u32 da_end;
};
+/* IOMMU errors */
+#define OMAP_IOMMU_ERR_TLB_MISS (1 << 0)
+#define OMAP_IOMMU_ERR_TRANS_FAULT (1 << 1)
+#define OMAP_IOMMU_ERR_EMU_MISS (1 << 2)
+#define OMAP_IOMMU_ERR_TBLWALK_FAULT (1 << 3)
+#define OMAP_IOMMU_ERR_MULTIHIT_FAULT (1 << 4)
+
#if defined(CONFIG_ARCH_OMAP1)
#error "iommu for this processor not implemented yet"
#else
@@ -161,6 +169,10 @@ extern size_t iopgtable_clear_entry(struct iommu *obj, u32 iova);
extern int iommu_set_da_range(struct iommu *obj, u32 start, u32 end);
extern struct iommu *iommu_get(const char *name);
extern void iommu_put(struct iommu *obj);
+extern int iommu_set_isr(const char *name,
+ int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs,
+ void *priv),
+ void *isr_priv);
extern void iommu_save_ctx(struct iommu *obj);
extern void iommu_restore_ctx(struct iommu *obj);
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index 6ecf1051e5f..f8f690ab299 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -37,6 +37,10 @@ static struct platform_device omap_mcbsp##port_nr = { \
.id = OMAP_MCBSP##port_nr, \
}
+#define MCBSP_CONFIG_TYPE2 0x2
+#define MCBSP_CONFIG_TYPE3 0x3
+#define MCBSP_CONFIG_TYPE4 0x4
+
#define OMAP7XX_MCBSP1_BASE 0xfffb1000
#define OMAP7XX_MCBSP2_BASE 0xfffb1800
@@ -48,32 +52,14 @@ static struct platform_device omap_mcbsp##port_nr = { \
#define OMAP1610_MCBSP2_BASE 0xfffb1000
#define OMAP1610_MCBSP3_BASE 0xe1017000
-#define OMAP24XX_MCBSP1_BASE 0x48074000
-#define OMAP24XX_MCBSP2_BASE 0x48076000
-#define OMAP2430_MCBSP3_BASE 0x4808c000
-#define OMAP2430_MCBSP4_BASE 0x4808e000
-#define OMAP2430_MCBSP5_BASE 0x48096000
-
-#define OMAP34XX_MCBSP1_BASE 0x48074000
-#define OMAP34XX_MCBSP2_BASE 0x49022000
-#define OMAP34XX_MCBSP2_ST_BASE 0x49028000
-#define OMAP34XX_MCBSP3_BASE 0x49024000
-#define OMAP34XX_MCBSP3_ST_BASE 0x4902A000
-#define OMAP34XX_MCBSP3_BASE 0x49024000
-#define OMAP34XX_MCBSP4_BASE 0x49026000
-#define OMAP34XX_MCBSP5_BASE 0x48096000
-
-#define OMAP44XX_MCBSP1_BASE 0x49022000
-#define OMAP44XX_MCBSP2_BASE 0x49024000
-#define OMAP44XX_MCBSP3_BASE 0x49026000
-#define OMAP44XX_MCBSP4_BASE 0x48096000
-
-#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
+#ifdef CONFIG_ARCH_OMAP1
#define OMAP_MCBSP_REG_DRR2 0x00
#define OMAP_MCBSP_REG_DRR1 0x02
#define OMAP_MCBSP_REG_DXR2 0x04
#define OMAP_MCBSP_REG_DXR1 0x06
+#define OMAP_MCBSP_REG_DRR 0x02
+#define OMAP_MCBSP_REG_DXR 0x06
#define OMAP_MCBSP_REG_SPCR2 0x08
#define OMAP_MCBSP_REG_SPCR1 0x0a
#define OMAP_MCBSP_REG_RCR2 0x0c
@@ -414,8 +400,9 @@ struct omap_mcbsp_platform_data {
#ifdef CONFIG_ARCH_OMAP3
/* Sidetone block for McBSP 2 and 3 */
unsigned long phys_base_st;
- u16 buffer_size;
#endif
+ u16 buffer_size;
+ unsigned int mcbsp_config_type;
};
struct omap_mcbsp_st_data {
@@ -431,6 +418,7 @@ struct omap_mcbsp_st_data {
struct omap_mcbsp {
struct device *dev;
unsigned long phys_base;
+ unsigned long phys_dma_base;
void __iomem *io_base;
u8 id;
u8 free;
@@ -457,7 +445,6 @@ struct omap_mcbsp {
/* Protect the field .free, while checking if the mcbsp is in use */
spinlock_t lock;
struct omap_mcbsp_platform_data *pdata;
- struct clk *iclk;
struct clk *fclk;
#ifdef CONFIG_ARCH_OMAP3
struct omap_mcbsp_st_data *st_data;
@@ -466,7 +453,17 @@ struct omap_mcbsp {
u16 max_rx_thres;
#endif
void *reg_cache;
+ unsigned int mcbsp_config_type;
};
+
+/**
+ * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
+ * @sidetone: name of the sidetone device
+ */
+struct omap_mcbsp_dev_attr {
+ const char *sidetone;
+};
+
extern struct omap_mcbsp **mcbsp_ptr;
extern int omap_mcbsp_count, omap_mcbsp_cache_size;
@@ -474,8 +471,8 @@ extern int omap_mcbsp_count, omap_mcbsp_cache_size;
#define id_to_mcbsp_ptr(id) mcbsp_ptr[id];
int omap_mcbsp_init(void);
-void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
- int size);
+void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
+ struct omap_mcbsp_platform_data *config, int size);
void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config);
#ifdef CONFIG_ARCH_OMAP3
void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
@@ -525,6 +522,9 @@ int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type);
void omap2_mcbsp1_mux_clkr_src(u8 mux);
void omap2_mcbsp1_mux_fsr_src(u8 mux);
+int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream);
+int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream);
+
#ifdef CONFIG_ARCH_OMAP3
/* Sidetone specific API */
int omap_st_set_chgain(unsigned int id, int channel, s16 chgain);
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index f57f36abb07..f38fef9f131 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -24,25 +24,19 @@
#define OMAP1_MMC2_BASE 0xfffb7c00 /* omap16xx only */
#define OMAP24XX_NR_MMC 2
-#define OMAP34XX_NR_MMC 3
-#define OMAP44XX_NR_MMC 5
#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
-#define OMAP3_HSMMC_SIZE 0x200
-#define OMAP4_HSMMC_SIZE 0x1000
#define OMAP2_MMC1_BASE 0x4809c000
-#define OMAP2_MMC2_BASE 0x480b4000
-#define OMAP3_MMC3_BASE 0x480ad000
-#define OMAP4_MMC4_BASE 0x480d1000
-#define OMAP4_MMC5_BASE 0x480d5000
+
#define OMAP4_MMC_REG_OFFSET 0x100
-#define HSMMC5 (1 << 4)
-#define HSMMC4 (1 << 3)
-#define HSMMC3 (1 << 2)
-#define HSMMC2 (1 << 1)
-#define HSMMC1 (1 << 0)
#define OMAP_MMC_MAX_SLOTS 2
+#define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(1)
+
+struct omap_mmc_dev_attr {
+ u8 flags;
+};
+
struct omap_mmc_platform_data {
/* back-link to device */
struct device *dev;
@@ -71,6 +65,9 @@ struct omap_mmc_platform_data {
u64 dma_mask;
+ /* Integrating attributes from the omap_hwmod layer */
+ u8 controller_flags;
+
/* Register offset deviation */
u16 reg_offset;
@@ -159,8 +156,7 @@ extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers);
-void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
- int nr_controllers);
+void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data);
int omap_mmc_add(const char *name, int id, unsigned long base,
unsigned long size, unsigned int irq,
struct omap_mmc_platform_data *data);
@@ -169,8 +165,7 @@ static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
{
}
-static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
- int nr_controllers)
+static inline void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
{
}
static inline int omap_mmc_add(const char *name, int id, unsigned long base,
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index f96e72ed4db..97aa8e763e1 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -179,7 +179,8 @@ struct omap_hwmod_omap2_firewall {
#define ADDR_TYPE_RT (1 << 1)
/**
- * struct omap_hwmod_addr_space - MPU address space handled by the hwmod
+ * struct omap_hwmod_addr_space - address space handled by the hwmod
+ * @name: name of the address space
* @pa_start: starting physical address
* @pa_end: ending physical address
* @flags: (see omap_hwmod_addr_space.flags macros above)
@@ -188,6 +189,7 @@ struct omap_hwmod_omap2_firewall {
* structure. GPMC is one example.
*/
struct omap_hwmod_addr_space {
+ const char *name;
u32 pa_start;
u32 pa_end;
u8 flags;
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index b1107c08da5..e3eb0380090 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -104,6 +104,9 @@ static int iommu_enable(struct iommu *obj)
if (!obj)
return -EINVAL;
+ if (!arch_iommu)
+ return -ENODEV;
+
clk_enable(obj->clk);
err = arch_iommu->enable(obj);
@@ -780,25 +783,19 @@ static void iopgtable_clear_entry_all(struct iommu *obj)
*/
static irqreturn_t iommu_fault_handler(int irq, void *data)
{
- u32 stat, da;
+ u32 da, errs;
u32 *iopgd, *iopte;
- int err = -EIO;
struct iommu *obj = data;
if (!obj->refcount)
return IRQ_NONE;
- /* Dynamic loading TLB or PTE */
- if (obj->isr)
- err = obj->isr(obj);
-
- if (!err)
- return IRQ_HANDLED;
-
clk_enable(obj->clk);
- stat = iommu_report_fault(obj, &da);
+ errs = iommu_report_fault(obj, &da);
clk_disable(obj->clk);
- if (!stat)
+
+ /* Fault callback or TLB/PTE Dynamic loading */
+ if (obj->isr && !obj->isr(obj, da, errs, obj->isr_priv))
return IRQ_HANDLED;
iommu_disable(obj);
@@ -806,15 +803,16 @@ static irqreturn_t iommu_fault_handler(int irq, void *data)
iopgd = iopgd_offset(obj, da);
if (!iopgd_is_table(*iopgd)) {
- dev_err(obj->dev, "%s: da:%08x pgd:%p *pgd:%08x\n", __func__,
- da, iopgd, *iopgd);
+ dev_err(obj->dev, "%s: errs:0x%08x da:0x%08x pgd:0x%p "
+ "*pgd:px%08x\n", obj->name, errs, da, iopgd, *iopgd);
return IRQ_NONE;
}
iopte = iopte_offset(iopgd, da);
- dev_err(obj->dev, "%s: da:%08x pgd:%p *pgd:%08x pte:%p *pte:%08x\n",
- __func__, da, iopgd, *iopgd, iopte, *iopte);
+ dev_err(obj->dev, "%s: errs:0x%08x da:0x%08x pgd:0x%p *pgd:0x%08x "
+ "pte:0x%p *pte:0x%08x\n", obj->name, errs, da, iopgd, *iopgd,
+ iopte, *iopte);
return IRQ_NONE;
}
@@ -917,6 +915,33 @@ void iommu_put(struct iommu *obj)
}
EXPORT_SYMBOL_GPL(iommu_put);
+int iommu_set_isr(const char *name,
+ int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs,
+ void *priv),
+ void *isr_priv)
+{
+ struct device *dev;
+ struct iommu *obj;
+
+ dev = driver_find_device(&omap_iommu_driver.driver, NULL, (void *)name,
+ device_match_by_alias);
+ if (!dev)
+ return -ENODEV;
+
+ obj = to_iommu(dev);
+ mutex_lock(&obj->iommu_lock);
+ if (obj->refcount != 0) {
+ mutex_unlock(&obj->iommu_lock);
+ return -EBUSY;
+ }
+ obj->isr = isr;
+ obj->isr_priv = isr_priv;
+ mutex_unlock(&obj->iommu_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(iommu_set_isr);
+
/*
* OMAP Device MMU(IOMMU) detection
*/
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index b5a6e178a7f..d598d9fd65a 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -27,6 +27,8 @@
#include <plat/dma.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"
@@ -227,10 +229,83 @@ void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config)
}
EXPORT_SYMBOL(omap_mcbsp_config);
+/**
+ * omap_mcbsp_dma_params - returns the dma channel number
+ * @id - mcbsp id
+ * @stream - indicates the direction of data flow (rx or tx)
+ *
+ * Returns the dma channel number for the rx channel or tx channel
+ * based on the value of @stream for the requested mcbsp given by @id
+ */
+int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream)
+{
+ struct omap_mcbsp *mcbsp;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+ mcbsp = id_to_mcbsp_ptr(id);
+
+ if (stream)
+ return mcbsp->dma_rx_sync;
+ else
+ return mcbsp->dma_tx_sync;
+}
+EXPORT_SYMBOL(omap_mcbsp_dma_ch_params);
+
+/**
+ * omap_mcbsp_dma_reg_params - returns the address of mcbsp data register
+ * @id - mcbsp id
+ * @stream - indicates the direction of data flow (rx or tx)
+ *
+ * Returns the address of mcbsp data transmit register or data receive register
+ * to be used by DMA for transferring/receiving data based on the value of
+ * @stream for the requested mcbsp given by @id
+ */
+int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream)
+{
+ struct omap_mcbsp *mcbsp;
+ int data_reg;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+ mcbsp = id_to_mcbsp_ptr(id);
+
+ data_reg = mcbsp->phys_dma_base;
+
+ if (mcbsp->mcbsp_config_type < MCBSP_CONFIG_TYPE2) {
+ if (stream)
+ data_reg += OMAP_MCBSP_REG_DRR1;
+ else
+ data_reg += OMAP_MCBSP_REG_DXR1;
+ } else {
+ if (stream)
+ data_reg += OMAP_MCBSP_REG_DRR;
+ else
+ data_reg += OMAP_MCBSP_REG_DXR;
+ }
+
+ return data_reg;
+}
+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
@@ -244,9 +319,6 @@ static void omap_st_on(struct omap_mcbsp *mcbsp)
w = MCBSP_READ(mcbsp, SSELCR);
MCBSP_WRITE(mcbsp, SSELCR, w | SIDETONEEN);
- w = MCBSP_ST_READ(mcbsp, SYSCONFIG);
- MCBSP_ST_WRITE(mcbsp, SYSCONFIG, w & ~(ST_AUTOIDLE));
-
/* Enable Sidetone from Sidetone Core */
w = MCBSP_ST_READ(mcbsp, SSELCR);
MCBSP_ST_WRITE(mcbsp, SSELCR, w | ST_SIDETONEEN);
@@ -255,13 +327,13 @@ static void omap_st_on(struct omap_mcbsp *mcbsp)
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_ST_READ(mcbsp, SYSCONFIG);
- MCBSP_ST_WRITE(mcbsp, SYSCONFIG, w | ST_AUTOIDLE);
-
w = MCBSP_READ(mcbsp, SSELCR);
MCBSP_WRITE(mcbsp, SSELCR, w & ~(SIDETONEEN));
@@ -273,9 +345,9 @@ static void omap_st_off(struct omap_mcbsp *mcbsp)
static void omap_st_fir_write(struct omap_mcbsp *mcbsp, s16 *fir)
{
u16 val, i;
+ struct omap_device *od;
- val = MCBSP_ST_READ(mcbsp, SYSCONFIG);
- MCBSP_ST_WRITE(mcbsp, SYSCONFIG, val & ~(ST_AUTOIDLE));
+ od = find_omap_device_by_dev(mcbsp->dev);
val = MCBSP_ST_READ(mcbsp, SSELCR);
@@ -303,9 +375,9 @@ static void omap_st_chgain(struct omap_mcbsp *mcbsp)
{
u16 w;
struct omap_mcbsp_st_data *st_data = mcbsp->st_data;
+ struct omap_device *od;
- w = MCBSP_ST_READ(mcbsp, SYSCONFIG);
- MCBSP_ST_WRITE(mcbsp, SYSCONFIG, w & ~(ST_AUTOIDLE));
+ od = find_omap_device_by_dev(mcbsp->dev);
w = MCBSP_ST_READ(mcbsp, SSELCR);
@@ -648,48 +720,33 @@ 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()) {
- u16 syscon;
-
- syscon = MCBSP_READ(mcbsp, SYSCON);
- syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03));
-
- if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) {
- syscon |= (ENAWAKEUP | SIDLEMODE(0x02) |
- CLOCKACTIVITY(0x02));
- MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN);
- } else {
- syscon |= SIDLEMODE(0x01);
- }
-
- MCBSP_WRITE(mcbsp, SYSCON, syscon);
+ 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()) {
- u16 syscon;
-
- syscon = MCBSP_READ(mcbsp, SYSCON);
- syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03));
/*
* 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.
*/
- syscon |= SIDLEMODE(0x02);
- MCBSP_WRITE(mcbsp, SYSCON, syscon);
-
- syscon &= ~(SIDLEMODE(0x03));
- MCBSP_WRITE(mcbsp, SYSCON, syscon);
MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
}
@@ -764,8 +821,7 @@ int omap_mcbsp_request(unsigned int id)
if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request)
mcbsp->pdata->ops->request(id);
- clk_enable(mcbsp->iclk);
- clk_enable(mcbsp->fclk);
+ pm_runtime_get_sync(mcbsp->dev);
/* Do procedure specific to omap34xx arch, if applicable */
omap34xx_mcbsp_request(mcbsp);
@@ -813,8 +869,7 @@ err_clk_disable:
/* Do procedure specific to omap34xx arch, if applicable */
omap34xx_mcbsp_free(mcbsp);
- clk_disable(mcbsp->fclk);
- clk_disable(mcbsp->iclk);
+ pm_runtime_put_sync(mcbsp->dev);
spin_lock(&mcbsp->lock);
mcbsp->free = true;
@@ -844,8 +899,7 @@ void omap_mcbsp_free(unsigned int id)
/* Do procedure specific to omap34xx arch, if applicable */
omap34xx_mcbsp_free(mcbsp);
- clk_disable(mcbsp->fclk);
- clk_disable(mcbsp->iclk);
+ pm_runtime_put_sync(mcbsp->dev);
if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) {
/* Free IRQs */
@@ -1649,7 +1703,8 @@ static const struct attribute_group sidetone_attr_group = {
static int __devinit omap_st_add(struct omap_mcbsp *mcbsp)
{
- struct omap_mcbsp_platform_data *pdata = mcbsp->pdata;
+ struct platform_device *pdev;
+ struct resource *res;
struct omap_mcbsp_st_data *st_data;
int err;
@@ -1659,7 +1714,10 @@ static int __devinit omap_st_add(struct omap_mcbsp *mcbsp)
goto err1;
}
- st_data->io_base_st = ioremap(pdata->phys_base_st, SZ_4K);
+ 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;
goto err2;
@@ -1748,6 +1806,7 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data;
struct omap_mcbsp *mcbsp;
int id = pdev->id - 1;
+ struct resource *res;
int ret = 0;
if (!pdata) {
@@ -1777,47 +1836,78 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
mcbsp->dma_tx_lch = -1;
mcbsp->dma_rx_lch = -1;
- mcbsp->phys_base = pdata->phys_base;
- mcbsp->io_base = ioremap(pdata->phys_base, SZ_4K);
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
+ if (!res) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "%s:mcbsp%d has invalid memory"
+ "resource\n", __func__, pdev->id);
+ ret = -ENOMEM;
+ goto exit;
+ }
+ }
+ mcbsp->phys_base = res->start;
+ omap_mcbsp_cache_size = resource_size(res);
+ mcbsp->io_base = ioremap(res->start, resource_size(res));
if (!mcbsp->io_base) {
ret = -ENOMEM;
goto err_ioremap;
}
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dma");
+ if (!res)
+ mcbsp->phys_dma_base = mcbsp->phys_base;
+ else
+ mcbsp->phys_dma_base = res->start;
+
/* Default I/O is IRQ based */
mcbsp->io_type = OMAP_MCBSP_IRQ_IO;
- mcbsp->tx_irq = pdata->tx_irq;
- mcbsp->rx_irq = pdata->rx_irq;
- mcbsp->dma_rx_sync = pdata->dma_rx_sync;
- mcbsp->dma_tx_sync = pdata->dma_tx_sync;
- mcbsp->iclk = clk_get(&pdev->dev, "ick");
- if (IS_ERR(mcbsp->iclk)) {
- ret = PTR_ERR(mcbsp->iclk);
- dev_err(&pdev->dev, "unable to get ick: %d\n", ret);
- goto err_iclk;
+ mcbsp->tx_irq = platform_get_irq_byname(pdev, "tx");
+ mcbsp->rx_irq = platform_get_irq_byname(pdev, "rx");
+
+ /* From OMAP4 there will be a single irq line */
+ if (mcbsp->tx_irq == -ENXIO)
+ mcbsp->tx_irq = platform_get_irq(pdev, 0);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
+ if (!res) {
+ dev_err(&pdev->dev, "%s:mcbsp%d has invalid rx DMA channel\n",
+ __func__, pdev->id);
+ ret = -ENODEV;
+ goto err_res;
+ }
+ mcbsp->dma_rx_sync = res->start;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
+ if (!res) {
+ dev_err(&pdev->dev, "%s:mcbsp%d has invalid tx DMA channel\n",
+ __func__, pdev->id);
+ ret = -ENODEV;
+ goto err_res;
}
+ mcbsp->dma_tx_sync = res->start;
mcbsp->fclk = clk_get(&pdev->dev, "fck");
if (IS_ERR(mcbsp->fclk)) {
ret = PTR_ERR(mcbsp->fclk);
dev_err(&pdev->dev, "unable to get fck: %d\n", ret);
- goto err_fclk;
+ goto err_res;
}
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);
return 0;
-err_fclk:
- clk_put(mcbsp->iclk);
-err_iclk:
+err_res:
iounmap(mcbsp->io_base);
err_ioremap:
kfree(mcbsp);
@@ -1839,7 +1929,6 @@ static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
omap34xx_device_exit(mcbsp);
clk_put(mcbsp->fclk);
- clk_put(mcbsp->iclk);
iounmap(mcbsp->io_base);
kfree(mcbsp);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-23 15:32:18 +0000