diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-omap1/mcbsp.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-omap1/mcbsp.c | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-omap1/mcbsp.c b/ANDROID_3.4.5/arch/arm/mach-omap1/mcbsp.c deleted file mode 100644 index adf00975..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-omap1/mcbsp.c +++ /dev/null @@ -1,446 +0,0 @@ -/* - * linux/arch/arm/mach-omap1/mcbsp.c - * - * Copyright (C) 2008 Instituto Nokia de Tecnologia - * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Multichannel mode not supported. - */ -#include <linux/ioport.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/slab.h> - -#include <plat/dma.h> -#include <plat/mux.h> -#include <plat/cpu.h> -#include <plat/mcbsp.h> - -#include <mach/irqs.h> - -#include "iomap.h" - -#define DPS_RSTCT2_PER_EN (1 << 0) -#define DSP_RSTCT2_WD_PER_EN (1 << 1) - -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) -{ - /* - * On 1510, 1610 and 1710, McBSP1 and McBSP3 - * are DSP public peripherals. - */ - if (id == 0 || id == 2) { - if (dsp_use++ == 0) { - api_clk = clk_get(NULL, "api_ck"); - dsp_clk = clk_get(NULL, "dsp_ck"); - if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) { - clk_enable(api_clk); - clk_enable(dsp_clk); - - /* - * DSP external peripheral reset - * FIXME: This should be moved to dsp code - */ - __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN | - DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2); - } - } - } -} - -static void omap1_mcbsp_free(unsigned int id) -{ - if (id == 0 || id == 2) { - if (--dsp_use == 0) { - if (!IS_ERR(api_clk)) { - clk_disable(api_clk); - clk_put(api_clk); - } - if (!IS_ERR(dsp_clk)) { - clk_disable(dsp_clk); - clk_put(dsp_clk); - } - } - } -} - -static struct omap_mcbsp_ops omap1_mcbsp_ops = { - .request = omap1_mcbsp_request, - .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] = { - { - { - .start = OMAP7XX_MCBSP1_BASE, - .end = OMAP7XX_MCBSP1_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_7XX_McBSP1RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_7XX_McBSP1TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP1_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP1_TX, - .flags = IORESOURCE_DMA, - }, - }, - { - { - .start = OMAP7XX_MCBSP2_BASE, - .end = OMAP7XX_MCBSP2_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_7XX_McBSP2RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_7XX_McBSP2TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP3_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP3_TX, - .flags = IORESOURCE_DMA, - }, - }, -}; - -#define omap7xx_mcbsp_res_0 omap7xx_mcbsp_res[0] - -static struct omap_mcbsp_platform_data omap7xx_mcbsp_pdata[] = { - { - .ops = &omap1_mcbsp_ops, - }, - { - .ops = &omap1_mcbsp_ops, - }, -}; -#define OMAP7XX_MCBSP_RES_SZ ARRAY_SIZE(omap7xx_mcbsp_res[1]) -#define OMAP7XX_MCBSP_COUNT ARRAY_SIZE(omap7xx_mcbsp_res) -#else -#define omap7xx_mcbsp_res_0 NULL -#define omap7xx_mcbsp_pdata NULL -#define OMAP7XX_MCBSP_RES_SZ 0 -#define OMAP7XX_MCBSP_COUNT 0 -#endif - -#ifdef CONFIG_ARCH_OMAP15XX -struct resource omap15xx_mcbsp_res[][6] = { - { - { - .start = OMAP1510_MCBSP1_BASE, - .end = OMAP1510_MCBSP1_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_McBSP1RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_McBSP1TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP1_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP1_TX, - .flags = IORESOURCE_DMA, - }, - }, - { - { - .start = OMAP1510_MCBSP2_BASE, - .end = OMAP1510_MCBSP2_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_1510_SPI_RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_1510_SPI_TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP2_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP2_TX, - .flags = IORESOURCE_DMA, - }, - }, - { - { - .start = OMAP1510_MCBSP3_BASE, - .end = OMAP1510_MCBSP3_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_McBSP3RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_McBSP3TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP3_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP3_TX, - .flags = IORESOURCE_DMA, - }, - }, -}; - -#define omap15xx_mcbsp_res_0 omap15xx_mcbsp_res[0] - -static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = { - { - .ops = &omap1_mcbsp_ops, - }, - { - .ops = &omap1_mcbsp_ops, - }, - { - .ops = &omap1_mcbsp_ops, - }, -}; -#define OMAP15XX_MCBSP_RES_SZ ARRAY_SIZE(omap15xx_mcbsp_res[1]) -#define OMAP15XX_MCBSP_COUNT ARRAY_SIZE(omap15xx_mcbsp_res) -#else -#define omap15xx_mcbsp_res_0 NULL -#define omap15xx_mcbsp_pdata NULL -#define OMAP15XX_MCBSP_RES_SZ 0 -#define OMAP15XX_MCBSP_COUNT 0 -#endif - -#ifdef CONFIG_ARCH_OMAP16XX -struct resource omap16xx_mcbsp_res[][6] = { - { - { - .start = OMAP1610_MCBSP1_BASE, - .end = OMAP1610_MCBSP1_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_McBSP1RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_McBSP1TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP1_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP1_TX, - .flags = IORESOURCE_DMA, - }, - }, - { - { - .start = OMAP1610_MCBSP2_BASE, - .end = OMAP1610_MCBSP2_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_1610_McBSP2_RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_1610_McBSP2_TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP2_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP2_TX, - .flags = IORESOURCE_DMA, - }, - }, - { - { - .start = OMAP1610_MCBSP3_BASE, - .end = OMAP1610_MCBSP3_BASE + SZ_256, - .flags = IORESOURCE_MEM, - }, - { - .name = "rx", - .start = INT_McBSP3RX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "tx", - .start = INT_McBSP3TX, - .flags = IORESOURCE_IRQ, - }, - { - .name = "rx", - .start = OMAP_DMA_MCBSP3_RX, - .flags = IORESOURCE_DMA, - }, - { - .name = "tx", - .start = OMAP_DMA_MCBSP3_TX, - .flags = IORESOURCE_DMA, - }, - }, -}; - -#define omap16xx_mcbsp_res_0 omap16xx_mcbsp_res[0] - -static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = { - { - .ops = &omap1_mcbsp_ops, - }, - { - .ops = &omap1_mcbsp_ops, - }, - { - .ops = &omap1_mcbsp_ops, - }, -}; -#define OMAP16XX_MCBSP_RES_SZ ARRAY_SIZE(omap16xx_mcbsp_res[1]) -#define OMAP16XX_MCBSP_COUNT ARRAY_SIZE(omap16xx_mcbsp_res) -#else -#define omap16xx_mcbsp_res_0 NULL -#define omap16xx_mcbsp_pdata NULL -#define OMAP16XX_MCBSP_RES_SZ 0 -#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_register_board_cfg(omap7xx_mcbsp_res_0, - OMAP7XX_MCBSP_RES_SZ, - omap7xx_mcbsp_pdata, - OMAP7XX_MCBSP_COUNT); - - if (cpu_is_omap15xx()) - omap_mcbsp_register_board_cfg(omap15xx_mcbsp_res_0, - OMAP15XX_MCBSP_RES_SZ, - omap15xx_mcbsp_pdata, - OMAP15XX_MCBSP_COUNT); - - if (cpu_is_omap16xx()) - omap_mcbsp_register_board_cfg(omap16xx_mcbsp_res_0, - OMAP16XX_MCBSP_RES_SZ, - omap16xx_mcbsp_pdata, - OMAP16XX_MCBSP_COUNT); - - return 0; -} - -arch_initcall(omap1_mcbsp_init); |