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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <plat/ste_dma40.h>
#include <mach/hardware.h>
#include <mach/setup.h>
#include "ste-dma40-db8500.h"
static struct resource dma40_resources[] = {
[0] = {
.start = U8500_DMA_BASE,
.end = U8500_DMA_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
.name = "base",
},
[1] = {
.start = U8500_DMA_LCPA_BASE,
.end = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
.flags = IORESOURCE_MEM,
.name = "lcpa",
},
[2] = {
.start = IRQ_DB8500_DMA,
.end = IRQ_DB8500_DMA,
.flags = IORESOURCE_IRQ,
}
};
/* Default configuration for physcial memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
.mode = STEDMA40_MODE_PHYSICAL,
.dir = STEDMA40_MEM_TO_MEM,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_PHY_1,
.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_PHY_1,
.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
.dir = STEDMA40_MEM_TO_MEM,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_LOG_1,
.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_LOG_1,
.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};
/*
* Mapping between destination event lines and physical device address.
* The event line is tied to a device and therefor the address is constant.
*/
static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV];
/* Mapping between source event lines and physical device address */
static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV];
/* Reserved event lines for memcpy only */
static int dma40_memcpy_event[] = {
DB8500_DMA_MEMCPY_TX_0,
DB8500_DMA_MEMCPY_TX_1,
DB8500_DMA_MEMCPY_TX_2,
DB8500_DMA_MEMCPY_TX_3,
DB8500_DMA_MEMCPY_TX_4,
DB8500_DMA_MEMCPY_TX_5,
};
static struct stedma40_platform_data dma40_plat_data = {
.dev_len = DB8500_DMA_NR_DEV,
.dev_rx = dma40_rx_map,
.dev_tx = dma40_tx_map,
.memcpy = dma40_memcpy_event,
.memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
.memcpy_conf_phy = &dma40_memcpy_conf_phy,
.memcpy_conf_log = &dma40_memcpy_conf_log,
.disabled_channels = {-1},
};
struct platform_device u8500_dma40_device = {
.dev = {
.platform_data = &dma40_plat_data,
},
.name = "dma40",
.id = 0,
.num_resources = ARRAY_SIZE(dma40_resources),
.resource = dma40_resources
};
void dma40_u8500ed_fixup(void)
{
dma40_plat_data.memcpy = NULL;
dma40_plat_data.memcpy_len = 0;
dma40_resources[0].start = U8500_DMA_BASE_ED;
dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1;
dma40_resources[1].start = U8500_DMA_LCPA_BASE_ED;
dma40_resources[1].end = U8500_DMA_LCPA_BASE_ED + 2 * SZ_1K - 1;
}
struct resource keypad_resources[] = {
[0] = {
.start = U8500_SKE_BASE,
.end = U8500_SKE_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DB8500_KB,
.end = IRQ_DB8500_KB,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device u8500_ske_keypad_device = {
.name = "nmk-ske-keypad",
.id = -1,
.num_resources = ARRAY_SIZE(keypad_resources),
.resource = keypad_resources,
};
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