OpenCloudOS-Kernel/drivers/net/wireless/ti/wl12xx/main.c

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/*
* This file is part of wl1271
*
* Copyright (C) 2008-2010 Nokia Corporation
*
* 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.
*
* 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 St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include "../wlcore/wlcore.h"
#include "../wlcore/debug.h"
#include "../wlcore/io.h"
#include "reg.h"
static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = {
[PART_DOWN] = {
.mem = {
.start = 0x00000000,
.size = 0x000177c0
},
.reg = {
.start = REGISTERS_BASE,
.size = 0x00008800
},
.mem2 = {
.start = 0x00000000,
.size = 0x00000000
},
.mem3 = {
.start = 0x00000000,
.size = 0x00000000
},
},
[PART_BOOT] = { /* in wl12xx we can use a mix of work and down
* partition here */
.mem = {
.start = 0x00040000,
.size = 0x00014fc0
},
.reg = {
.start = REGISTERS_BASE,
.size = 0x00008800
},
.mem2 = {
.start = 0x00000000,
.size = 0x00000000
},
.mem3 = {
.start = 0x00000000,
.size = 0x00000000
},
},
[PART_WORK] = {
.mem = {
.start = 0x00040000,
.size = 0x00014fc0
},
.reg = {
.start = REGISTERS_BASE,
.size = 0x0000a000
},
.mem2 = {
.start = 0x003004f8,
.size = 0x00000004
},
.mem3 = {
.start = 0x00040404,
.size = 0x00000000
},
},
[PART_DRPW] = {
.mem = {
.start = 0x00040000,
.size = 0x00014fc0
},
.reg = {
.start = DRPW_BASE,
.size = 0x00006000
},
.mem2 = {
.start = 0x00000000,
.size = 0x00000000
},
.mem3 = {
.start = 0x00000000,
.size = 0x00000000
}
}
};
static const int wl12xx_rtable[REG_TABLE_LEN] = {
[REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL,
[REG_INTERRUPT_NO_CLEAR] = WL12XX_REG_INTERRUPT_NO_CLEAR,
[REG_INTERRUPT_ACK] = WL12XX_REG_INTERRUPT_ACK,
[REG_COMMAND_MAILBOX_PTR] = WL12XX_REG_COMMAND_MAILBOX_PTR,
[REG_EVENT_MAILBOX_PTR] = WL12XX_REG_EVENT_MAILBOX_PTR,
[REG_INTERRUPT_TRIG] = WL12XX_REG_INTERRUPT_TRIG,
[REG_INTERRUPT_MASK] = WL12XX_REG_INTERRUPT_MASK,
[REG_PC_ON_RECOVERY] = WL12XX_SCR_PAD4,
[REG_CHIP_ID_B] = WL12XX_CHIP_ID_B,
[REG_CMD_MBOX_ADDRESS] = WL12XX_CMD_MBOX_ADDRESS,
/* data access memory addresses, used with partition translation */
[REG_SLV_MEM_DATA] = WL1271_SLV_MEM_DATA,
[REG_SLV_REG_DATA] = WL1271_SLV_REG_DATA,
/* raw data access memory addresses */
[REG_RAW_FW_STATUS_ADDR] = FW_STATUS_ADDR,
};
/* TODO: maybe move to a new header file? */
#define WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-4-mr.bin"
#define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-4-sr.bin"
#define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-4-plt.bin"
#define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-4-mr.bin"
#define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-4-sr.bin"
#define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-4-plt.bin"
static int wl12xx_identify_chip(struct wl1271 *wl)
{
int ret = 0;
switch (wl->chip.id) {
case CHIP_ID_1271_PG10:
wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
wl->chip.id);
wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
wl->plt_fw_name = WL127X_PLT_FW_NAME;
wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
wl->mr_fw_name = WL127X_FW_NAME_MULTI;
break;
case CHIP_ID_1271_PG20:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
wl->plt_fw_name = WL127X_PLT_FW_NAME;
wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
wl->mr_fw_name = WL127X_FW_NAME_MULTI;
break;
case CHIP_ID_1283_PG20:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
wl->chip.id);
wl->plt_fw_name = WL128X_PLT_FW_NAME;
wl->sr_fw_name = WL128X_FW_NAME_SINGLE;
wl->mr_fw_name = WL128X_FW_NAME_MULTI;
break;
case CHIP_ID_1283_PG10:
default:
wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
ret = -ENODEV;
goto out;
}
out:
return ret;
}
static s8 wl12xx_get_pg_ver(struct wl1271 *wl)
{
u32 die_info;
if (wl->chip.id == CHIP_ID_1283_PG20)
die_info = wl1271_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1);
else
die_info = wl1271_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1);
return (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET;
}
static struct wlcore_ops wl12xx_ops = {
.identify_chip = wl12xx_identify_chip,
.get_pg_ver = wl12xx_get_pg_ver,
};
static int __devinit wl12xx_probe(struct platform_device *pdev)
{
struct wl1271 *wl;
struct ieee80211_hw *hw;
hw = wlcore_alloc_hw();
if (IS_ERR(hw)) {
wl1271_error("can't allocate hw");
return PTR_ERR(hw);
}
wl = hw->priv;
wl->ops = &wl12xx_ops;
wl->ptable = wl12xx_ptable;
wl->rtable = wl12xx_rtable;
return wlcore_probe(wl, pdev);
}
static const struct platform_device_id wl12xx_id_table[] __devinitconst = {
{ "wl12xx", 0 },
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(platform, wl12xx_id_table);
static struct platform_driver wl12xx_driver = {
.probe = wl12xx_probe,
.remove = __devexit_p(wlcore_remove),
.id_table = wl12xx_id_table,
.driver = {
.name = "wl12xx_driver",
.owner = THIS_MODULE,
}
};
static int __init wl12xx_init(void)
{
return platform_driver_register(&wl12xx_driver);
}
module_init(wl12xx_init);
static void __exit wl12xx_exit(void)
{
platform_driver_unregister(&wl12xx_driver);
}
module_exit(wl12xx_exit);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE);
MODULE_FIRMWARE(WL127X_FW_NAME_MULTI);
MODULE_FIRMWARE(WL127X_PLT_FW_NAME);
MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE);
MODULE_FIRMWARE(WL128X_FW_NAME_MULTI);
MODULE_FIRMWARE(WL128X_PLT_FW_NAME);