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path: root/arch/arm/mach-omap2/mcbsp.c
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Diffstat (limited to 'arch/arm/mach-omap2/mcbsp.c')
-rw-r--r--arch/arm/mach-omap2/mcbsp.c231
1 files changed, 53 insertions, 178 deletions
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index f9c9df5b5ff1..565b9064a328 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -22,10 +22,11 @@
#include <plat/dma.h>
#include <plat/cpu.h>
#include <plat/mcbsp.h>
+#include <plat/omap_device.h>
+#include <linux/pm_runtime.h>
#include "control.h"
-
/* McBSP internal signal muxing functions */
void omap2_mcbsp1_mux_clkr_src(u8 mux)
@@ -83,7 +84,7 @@ int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
return -EINVAL;
}
- clk_disable(mcbsp->fclk);
+ pm_runtime_put_sync(mcbsp->dev);
r = clk_set_parent(mcbsp->fclk, fck_src);
if (IS_ERR_VALUE(r)) {
@@ -93,7 +94,7 @@ int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
return -EINVAL;
}
- clk_enable(mcbsp->fclk);
+ pm_runtime_get_sync(mcbsp->dev);
clk_put(fck_src);
@@ -101,196 +102,70 @@ int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
}
EXPORT_SYMBOL(omap2_mcbsp_set_clks_src);
-
-/* Platform data */
-
-#ifdef CONFIG_ARCH_OMAP2420
-static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
+struct omap_device_pm_latency omap2_mcbsp_latency[] = {
{
- .phys_base = OMAP24XX_MCBSP1_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
- .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
- },
- {
- .phys_base = OMAP24XX_MCBSP2_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
- .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
+ .deactivate_func = omap_device_idle_hwmods,
+ .activate_func = omap_device_enable_hwmods,
+ .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
},
};
-#define OMAP2420_MCBSP_PDATA_SZ ARRAY_SIZE(omap2420_mcbsp_pdata)
-#define OMAP2420_MCBSP_REG_NUM (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
-#else
-#define omap2420_mcbsp_pdata NULL
-#define OMAP2420_MCBSP_PDATA_SZ 0
-#define OMAP2420_MCBSP_REG_NUM 0
-#endif
-#ifdef CONFIG_ARCH_OMAP2430
-static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
- {
- .phys_base = OMAP24XX_MCBSP1_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
- .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
- },
- {
- .phys_base = OMAP24XX_MCBSP2_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
- .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
- },
- {
- .phys_base = OMAP2430_MCBSP3_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP3_TX,
- .rx_irq = INT_24XX_MCBSP3_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP3_IRQ_TX,
- },
- {
- .phys_base = OMAP2430_MCBSP4_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP4_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP4_TX,
- .rx_irq = INT_24XX_MCBSP4_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP4_IRQ_TX,
- },
- {
- .phys_base = OMAP2430_MCBSP5_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP5_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP5_TX,
- .rx_irq = INT_24XX_MCBSP5_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP5_IRQ_TX,
- },
-};
-#define OMAP2430_MCBSP_PDATA_SZ ARRAY_SIZE(omap2430_mcbsp_pdata)
-#define OMAP2430_MCBSP_REG_NUM (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
-#else
-#define omap2430_mcbsp_pdata NULL
-#define OMAP2430_MCBSP_PDATA_SZ 0
-#define OMAP2430_MCBSP_REG_NUM 0
-#endif
+static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
+{
+ int id, count = 1;
+ char *name = "omap-mcbsp";
+ struct omap_hwmod *oh_device[2];
+ struct omap_mcbsp_platform_data *pdata = NULL;
+ struct omap_device *od;
-#ifdef CONFIG_ARCH_OMAP3
-static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
- {
- .phys_base = OMAP34XX_MCBSP1_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
- .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
- .buffer_size = 0x80, /* The FIFO has 128 locations */
- },
- {
- .phys_base = OMAP34XX_MCBSP2_BASE,
- .phys_base_st = OMAP34XX_MCBSP2_ST_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
- .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
- .buffer_size = 0x500, /* The FIFO has 1024 + 256 locations */
- },
- {
- .phys_base = OMAP34XX_MCBSP3_BASE,
- .phys_base_st = OMAP34XX_MCBSP3_ST_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP3_TX,
- .rx_irq = INT_24XX_MCBSP3_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP3_IRQ_TX,
- .buffer_size = 0x80, /* The FIFO has 128 locations */
- },
- {
- .phys_base = OMAP34XX_MCBSP4_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP4_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP4_TX,
- .rx_irq = INT_24XX_MCBSP4_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP4_IRQ_TX,
- .buffer_size = 0x80, /* The FIFO has 128 locations */
- },
- {
- .phys_base = OMAP34XX_MCBSP5_BASE,
- .dma_rx_sync = OMAP24XX_DMA_MCBSP5_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP5_TX,
- .rx_irq = INT_24XX_MCBSP5_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP5_IRQ_TX,
- .buffer_size = 0x80, /* The FIFO has 128 locations */
- },
-};
-#define OMAP34XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap34xx_mcbsp_pdata)
-#define OMAP34XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
-#else
-#define omap34xx_mcbsp_pdata NULL
-#define OMAP34XX_MCBSP_PDATA_SZ 0
-#define OMAP34XX_MCBSP_REG_NUM 0
-#endif
+ sscanf(oh->name, "mcbsp%d", &id);
-static struct omap_mcbsp_platform_data omap44xx_mcbsp_pdata[] = {
- {
- .phys_base = OMAP44XX_MCBSP1_BASE,
- .dma_rx_sync = OMAP44XX_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP44XX_DMA_MCBSP1_TX,
- .tx_irq = OMAP44XX_IRQ_MCBSP1,
- },
- {
- .phys_base = OMAP44XX_MCBSP2_BASE,
- .dma_rx_sync = OMAP44XX_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP44XX_DMA_MCBSP2_TX,
- .tx_irq = OMAP44XX_IRQ_MCBSP2,
- },
- {
- .phys_base = OMAP44XX_MCBSP3_BASE,
- .dma_rx_sync = OMAP44XX_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP44XX_DMA_MCBSP3_TX,
- .tx_irq = OMAP44XX_IRQ_MCBSP3,
- },
- {
- .phys_base = OMAP44XX_MCBSP4_BASE,
- .dma_rx_sync = OMAP44XX_DMA_MCBSP4_RX,
- .dma_tx_sync = OMAP44XX_DMA_MCBSP4_TX,
- .tx_irq = OMAP44XX_IRQ_MCBSP4,
- },
-};
-#define OMAP44XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap44xx_mcbsp_pdata)
-#define OMAP44XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
+ pdata = kzalloc(sizeof(struct omap_mcbsp_platform_data), GFP_KERNEL);
+ if (!pdata) {
+ pr_err("%s: No memory for mcbsp\n", __func__);
+ return -ENOMEM;
+ }
+
+ pdata->mcbsp_config_type = oh->class->rev;
+
+ if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
+ if (id == 2)
+ /* The FIFO has 1024 + 256 locations */
+ pdata->buffer_size = 0x500;
+ else
+ /* The FIFO has 128 locations */
+ pdata->buffer_size = 0x80;
+ }
+
+ oh_device[0] = oh;
+
+ if (oh->dev_attr) {
+ oh_device[1] = omap_hwmod_lookup((
+ (struct omap_mcbsp_dev_attr *)(oh->dev_attr))->sidetone);
+ count++;
+ }
+ od = omap_device_build_ss(name, id, oh_device, count, pdata,
+ sizeof(*pdata), omap2_mcbsp_latency,
+ ARRAY_SIZE(omap2_mcbsp_latency), false);
+ kfree(pdata);
+ if (IS_ERR(od)) {
+ pr_err("%s: Cant build omap_device for %s:%s.\n", __func__,
+ name, oh->name);
+ return PTR_ERR(od);
+ }
+ omap_mcbsp_count++;
+ return 0;
+}
static int __init omap2_mcbsp_init(void)
{
- if (cpu_is_omap2420()) {
- omap_mcbsp_count = OMAP2420_MCBSP_PDATA_SZ;
- omap_mcbsp_cache_size = OMAP2420_MCBSP_REG_NUM * sizeof(u16);
- } else if (cpu_is_omap2430()) {
- omap_mcbsp_count = OMAP2430_MCBSP_PDATA_SZ;
- omap_mcbsp_cache_size = OMAP2430_MCBSP_REG_NUM * sizeof(u32);
- } else if (cpu_is_omap34xx()) {
- omap_mcbsp_count = OMAP34XX_MCBSP_PDATA_SZ;
- omap_mcbsp_cache_size = OMAP34XX_MCBSP_REG_NUM * sizeof(u32);
- } else if (cpu_is_omap44xx()) {
- omap_mcbsp_count = OMAP44XX_MCBSP_PDATA_SZ;
- omap_mcbsp_cache_size = OMAP44XX_MCBSP_REG_NUM * sizeof(u32);
- }
+ omap_hwmod_for_each_by_class("mcbsp", omap_init_mcbsp, NULL);
mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
GFP_KERNEL);
if (!mcbsp_ptr)
return -ENOMEM;
- if (cpu_is_omap2420())
- omap_mcbsp_register_board_cfg(omap2420_mcbsp_pdata,
- OMAP2420_MCBSP_PDATA_SZ);
- if (cpu_is_omap2430())
- omap_mcbsp_register_board_cfg(omap2430_mcbsp_pdata,
- OMAP2430_MCBSP_PDATA_SZ);
- if (cpu_is_omap34xx())
- omap_mcbsp_register_board_cfg(omap34xx_mcbsp_pdata,
- OMAP34XX_MCBSP_PDATA_SZ);
- if (cpu_is_omap44xx())
- omap_mcbsp_register_board_cfg(omap44xx_mcbsp_pdata,
- OMAP44XX_MCBSP_PDATA_SZ);
-
return omap_mcbsp_init();
}
arch_initcall(omap2_mcbsp_init);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-02 19:24:36 +0000