diff options
Diffstat (limited to 'arch/arm/mach-omap1/mcbsp.c')
| -rw-r--r-- | arch/arm/mach-omap1/mcbsp.c | 106 |
1 files changed, 71 insertions, 35 deletions
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c index d9af9811ded..8ed67f8d176 100644 --- a/arch/arm/mach-omap1/mcbsp.c +++ b/arch/arm/mach-omap1/mcbsp.c @@ -19,11 +19,14 @@ #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/omap-dma.h> +#include <mach/mux.h> +#include "soc.h" +#include <linux/platform_data/asoc-ti-mcbsp.h> + #include <mach/irqs.h> -#include <plat/dma.h> -#include <plat/mux.h> -#include <plat/cpu.h> -#include <plat/mcbsp.h> + +#include "iomap.h" #define DPS_RSTCT2_PER_EN (1 << 0) #define DSP_RSTCT2_WD_PER_EN (1 << 1) @@ -31,6 +34,7 @@ static int dsp_use; static struct clk *api_clk; static struct clk *dsp_clk; +static struct platform_device **omap_mcbsp_devices; static void omap1_mcbsp_request(unsigned int id) { @@ -38,7 +42,7 @@ static void omap1_mcbsp_request(unsigned int id) * On 1510, 1610 and 1710, McBSP1 and McBSP3 * are DSP public peripherals. */ - if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) { + if (id == 0 || id == 2) { if (dsp_use++ == 0) { api_clk = clk_get(NULL, "api_ck"); dsp_clk = clk_get(NULL, "dsp_ck"); @@ -59,7 +63,7 @@ static void omap1_mcbsp_request(unsigned int id) static void omap1_mcbsp_free(unsigned int id) { - if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) { + if (id == 0 || id == 2) { if (--dsp_use == 0) { if (!IS_ERR(api_clk)) { clk_disable(api_clk); @@ -78,6 +82,17 @@ static struct omap_mcbsp_ops omap1_mcbsp_ops = { .free = omap1_mcbsp_free, }; +#define OMAP7XX_MCBSP1_BASE 0xfffb1000 +#define OMAP7XX_MCBSP2_BASE 0xfffb1800 + +#define OMAP1510_MCBSP1_BASE 0xe1011800 +#define OMAP1510_MCBSP2_BASE 0xfffb1000 +#define OMAP1510_MCBSP3_BASE 0xe1017000 + +#define OMAP1610_MCBSP1_BASE 0xe1011800 +#define OMAP1610_MCBSP2_BASE 0xfffb1000 +#define OMAP1610_MCBSP3_BASE 0xe1017000 + #if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) struct resource omap7xx_mcbsp_res[][6] = { { @@ -98,12 +113,12 @@ struct resource omap7xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP1_RX, + .start = 9, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP1_TX, + .start = 8, .flags = IORESOURCE_DMA, }, }, @@ -125,12 +140,12 @@ struct resource omap7xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP3_RX, + .start = 11, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP3_TX, + .start = 10, .flags = IORESOURCE_DMA, }, }, @@ -175,12 +190,12 @@ struct resource omap15xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP1_RX, + .start = 9, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP1_TX, + .start = 8, .flags = IORESOURCE_DMA, }, }, @@ -202,12 +217,12 @@ struct resource omap15xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP2_RX, + .start = 17, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP2_TX, + .start = 16, .flags = IORESOURCE_DMA, }, }, @@ -229,12 +244,12 @@ struct resource omap15xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP3_RX, + .start = 11, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP3_TX, + .start = 10, .flags = IORESOURCE_DMA, }, }, @@ -282,12 +297,12 @@ struct resource omap16xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP1_RX, + .start = 9, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP1_TX, + .start = 8, .flags = IORESOURCE_DMA, }, }, @@ -309,12 +324,12 @@ struct resource omap16xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP2_RX, + .start = 17, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP2_TX, + .start = 16, .flags = IORESOURCE_DMA, }, }, @@ -336,12 +351,12 @@ struct resource omap16xx_mcbsp_res[][6] = { }, { .name = "rx", - .start = OMAP_DMA_MCBSP3_RX, + .start = 11, .flags = IORESOURCE_DMA, }, { .name = "tx", - .start = OMAP_DMA_MCBSP3_TX, + .start = 10, .flags = IORESOURCE_DMA, }, }, @@ -369,24 +384,45 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = { #define OMAP16XX_MCBSP_COUNT 0 #endif +static void omap_mcbsp_register_board_cfg(struct resource *res, int res_count, + struct omap_mcbsp_platform_data *config, int size) +{ + int i; + + omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), + GFP_KERNEL); + if (!omap_mcbsp_devices) { + printk(KERN_ERR "Could not register McBSP devices\n"); + return; + } + + for (i = 0; i < size; i++) { + struct platform_device *new_mcbsp; + int ret; + + 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); + config[i].reg_size = 2; + config[i].reg_step = 2; + new_mcbsp->dev.platform_data = &config[i]; + ret = platform_device_add(new_mcbsp); + if (ret) { + platform_device_put(new_mcbsp); + continue; + } + omap_mcbsp_devices[i] = new_mcbsp; + } +} + static int __init omap1_mcbsp_init(void) { if (!cpu_class_is_omap1()) return -ENODEV; if (cpu_is_omap7xx()) - omap_mcbsp_count = OMAP7XX_MCBSP_COUNT; - else if (cpu_is_omap15xx()) - omap_mcbsp_count = OMAP15XX_MCBSP_COUNT; - else if (cpu_is_omap16xx()) - omap_mcbsp_count = OMAP16XX_MCBSP_COUNT; - - mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *), - GFP_KERNEL); - if (!mcbsp_ptr) - return -ENOMEM; - - if (cpu_is_omap7xx()) omap_mcbsp_register_board_cfg(omap7xx_mcbsp_res_0, OMAP7XX_MCBSP_RES_SZ, omap7xx_mcbsp_pdata, @@ -404,7 +440,7 @@ static int __init omap1_mcbsp_init(void) omap16xx_mcbsp_pdata, OMAP16XX_MCBSP_COUNT); - return omap_mcbsp_init(); + return 0; } arch_initcall(omap1_mcbsp_init); |
