diff options
Diffstat (limited to 'arch/arm/mach-omap2/mcbsp.c')
| -rw-r--r-- | arch/arm/mach-omap2/mcbsp.c | 231 | 
1 files changed, 53 insertions, 178 deletions
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index 0526b758bdc..565b9064a32 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_SOC_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_SOC_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);  |