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/*
* arch/arm/mach-tegra/board-nvodm.c
*
* Board registration for ODM-kit generic Tegra boards
*
* Copyright (c) 2009, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <mach/kbc.h>
#include <linux/tegra_devices.h>
#include "nvodm_query_discovery.h"
#include "nvodm_kbc.h"
#include "nvodm_query_kbc.h"
#include "nvodm_kbc_keymapping.h"
#ifdef CONFIG_KEYBOARD_TEGRA
struct tegra_kbc_plat *tegra_kbc_odm_to_plat(void)
{
struct tegra_kbc_plat *pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
const NvOdmPeripheralConnectivity *conn;
NvOdmPeripheralSearch srch_attr = NvOdmPeripheralSearch_IoModule;
const struct NvOdmKeyVirtTableDetail **vkeys;
NvU32 srch_val = NvOdmIoModule_Kbd;
NvU32 temp;
NvU64 guid;
NvU32 i, j, k;
NvU32 cols=0;
NvU32 rows=0;
NvU32 *wake_row;
NvU32 *wake_col;
NvU32 wake_num;
NvU32 vnum;
if (!pdata) return NULL;
pdata->keymap = kzalloc(sizeof(*pdata->keymap)*KBC_MAX_KEY, GFP_KERNEL);
if (!pdata->keymap) {
kfree(pdata->keymap);
return NULL;
}
if (NvOdmKbcIsSelectKeysWkUpEnabled(&wake_row, &wake_col, &wake_num)) {
BUG_ON(!wake_num || wake_num>=KBC_MAX_KEY);
pdata->wake_cfg = kzalloc(sizeof(*pdata->wake_cfg)*wake_num,
GFP_KERNEL);
if (pdata->wake_cfg) {
pdata->wake_cnt = (int)wake_num;
for (i=0; i<wake_num; i++) {
pdata->wake_cfg[i].row=wake_row[i];
pdata->wake_cfg[i].col=wake_col[i];
}
} else
pr_err("disabling wakeup key filtering due to "
"out-of-memory error\n");
}
NvOdmKbcGetParameter(NvOdmKbcParameter_DebounceTime, 1, &temp);
pdata->debounce_cnt = temp;
/* repeat cycle is reported from ODM in milliseconds,
* but needs to be specified in 32KHz ticks */
NvOdmKbcGetParameter(NvOdmKbcParameter_RepeatCycleTime, 1, &temp);
pdata->repeat_cnt = temp * 4096 / 125;
temp = NvOdmPeripheralEnumerate(&srch_attr, &srch_val, 1, &guid, 1);
if (!temp) {
kfree(pdata);
return NULL;
}
conn = NvOdmPeripheralGetGuid(guid);
if (!conn) {
kfree(pdata);
return NULL;
}
for (i=0; i<conn->NumAddress; i++) {
NvU32 addr = conn->AddressList[i].Address;
if (conn->AddressList[i].Interface!=NvOdmIoModule_Kbd) continue;
if (conn->AddressList[i].Instance) {
pdata->pin_cfg[addr].num = cols++;
pdata->pin_cfg[addr].is_col = true;
} else {
pdata->pin_cfg[addr].num = rows++;
pdata->pin_cfg[addr].is_row = true;
}
}
for (i=0; i<KBC_MAX_KEY; i++)
pdata->keymap[i] = -1;
vnum = NvOdmKbcKeyMappingGetVirtualKeyMappingList(&vkeys);
for (i=0; i<rows; i++) {
for (j=0; j<cols; j++) {
NvU32 sc = NvOdmKbcGetKeyCode(i, j, rows, cols);
for (k=0; k<vnum; k++) {
if (sc >= vkeys[k]->StartScanCode &&
sc <= vkeys[k]->EndScanCode) {
sc -= vkeys[k]->StartScanCode;
sc = vkeys[k]->pVirtualKeyTable[sc];
if (!sc) continue;
pdata->keymap[kbc_indexof(i,j)]=sc;
}
}
}
}
return pdata;
}
#endif
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