cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/ti/wlcore/io.c

/*
 * This file is part of wl1271
 *
 * Copyright (C) 2008-2010 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
 *
 * 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/spi/spi.h>
#include <linux/interrupt.h>

#include "wlcore.h"
#include "debug.h"
#include "wl12xx_80211.h"
#include "io.h"
#include "tx.h"


bool wl1271_set_block_size(struct wl1271 *wl) { if (wl->if_ops->set_block_size) { wl->if_ops->set_block_size(wl->dev, WL12XX_BUS_BLOCK_SIZE); return true; } return false; }

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PersonTokensPropCommitsCommitProp
Shahar Levi3589.74%133.33%
Felipe Balbi25.13%133.33%
Ido Yariv25.13%133.33%
Total39100.00%3100.00%


void wlcore_disable_interrupts(struct wl1271 *wl) { disable_irq(wl->irq); }

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PersonTokensPropCommitsCommitProp
Teemu Paasikivi1482.35%250.00%
Felipe Balbi211.76%125.00%
Luciano Coelho15.88%125.00%
Total17100.00%4100.00%

EXPORT_SYMBOL_GPL(wlcore_disable_interrupts);
void wlcore_disable_interrupts_nosync(struct wl1271 *wl) { disable_irq_nosync(wl->irq); }

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Ido Yariv17100.00%1100.00%
Total17100.00%1100.00%

EXPORT_SYMBOL_GPL(wlcore_disable_interrupts_nosync);
void wlcore_enable_interrupts(struct wl1271 *wl) { enable_irq(wl->irq); }

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PersonTokensPropCommitsCommitProp
Teemu Paasikivi1482.35%250.00%
Felipe Balbi211.76%125.00%
Luciano Coelho15.88%125.00%
Total17100.00%4100.00%

EXPORT_SYMBOL_GPL(wlcore_enable_interrupts);
void wlcore_synchronize_interrupts(struct wl1271 *wl) { synchronize_irq(wl->irq); }

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Ido Yariv17100.00%1100.00%
Total17100.00%1100.00%

EXPORT_SYMBOL_GPL(wlcore_synchronize_interrupts);
int wlcore_translate_addr(struct wl1271 *wl, int addr) { struct wlcore_partition_set *part = &wl->curr_part; /* * To translate, first check to which window of addresses the * particular address belongs. Then subtract the starting address * of that window from the address. Then, add offset of the * translated region. * * The translated regions occur next to each other in physical device * memory, so just add the sizes of the preceding address regions to * get the offset to the new region. */ if ((addr >= part->mem.start) && (addr < part->mem.start + part->mem.size)) return addr - part->mem.start; else if ((addr >= part->reg.start) && (addr < part->reg.start + part->reg.size)) return addr - part->reg.start + part->mem.size; else if ((addr >= part->mem2.start) && (addr < part->mem2.start + part->mem2.size)) return addr - part->mem2.start + part->mem.size + part->reg.size; else if ((addr >= part->mem3.start) && (addr < part->mem3.start + part->mem3.size)) return addr - part->mem3.start + part->mem.size + part->reg.size + part->mem2.size; WARN(1, "HW address 0x%x out of range", addr); return 0; }

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PersonTokensPropCommitsCommitProp
Luciano Coelho223100.00%1100.00%
Total223100.00%1100.00%

EXPORT_SYMBOL_GPL(wlcore_translate_addr); /* Set the partitions to access the chip addresses * * To simplify driver code, a fixed (virtual) memory map is defined for * register and memory addresses. Because in the chipset, in different stages * of operation, those addresses will move around, an address translation * mechanism is required. * * There are four partitions (three memory and one register partition), * which are mapped to two different areas of the hardware memory. * * Virtual address * space * * | | * ...+----+--> mem.start * Physical address ... | | * space ... | | [PART_0] * ... | | * 00000000 <--+----+... ...+----+--> mem.start + mem.size * | | ... | | * |MEM | ... | | * | | ... | | * mem.size <--+----+... | | {unused area) * | | ... | | * |REG | ... | | * mem.size | | ... | | * + <--+----+... ...+----+--> reg.start * reg.size | | ... | | * |MEM2| ... | | [PART_1] * | | ... | | * ...+----+--> reg.start + reg.size * | | * */
int wlcore_set_partition(struct wl1271 *wl, const struct wlcore_partition_set *p) { int ret; /* copy partition info */ memcpy(&wl->curr_part, p, sizeof(*p)); wl1271_debug(DEBUG_IO, "mem_start %08X mem_size %08X", p->mem.start, p->mem.size); wl1271_debug(DEBUG_IO, "reg_start %08X reg_size %08X", p->reg.start, p->reg.size); wl1271_debug(DEBUG_IO, "mem2_start %08X mem2_size %08X", p->mem2.start, p->mem2.size); wl1271_debug(DEBUG_IO, "mem3_start %08X mem3_size %08X", p->mem3.start, p->mem3.size); ret = wlcore_raw_write32(wl, HW_PART0_START_ADDR, p->mem.start); if (ret < 0) goto out; ret = wlcore_raw_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size); if (ret < 0) goto out; ret = wlcore_raw_write32(wl, HW_PART1_START_ADDR, p->reg.start); if (ret < 0) goto out; ret = wlcore_raw_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size); if (ret < 0) goto out; ret = wlcore_raw_write32(wl, HW_PART2_START_ADDR, p->mem2.start); if (ret < 0) goto out; ret = wlcore_raw_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size); if (ret < 0) goto out; /* wl12xx only: We don't need the size of the last partition, * as it is automatically calculated based on the total memory * size and the sizes of the previous partitions. * * wl18xx re-defines the HW_PART3 addresses for logger over * SDIO support. wl12xx is expecting the write to * HW_PART3_START_ADDR at offset 24. This creates conflict * between the addresses. * In order to fix this the expected value is written to * HW_PART3_SIZE_ADDR instead which is at offset 24 after changes. */ ret = wlcore_raw_write32(wl, HW_PART3_START_ADDR, p->mem3.start); if (ret < 0) goto out; ret = wlcore_raw_write32(wl, HW_PART3_SIZE_ADDR, p->mem3.size); if (ret < 0) goto out; out: return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Teemu Paasikivi18459.35%120.00%
Ido Yariv8427.10%120.00%
Guy Mishol258.06%120.00%
Shahar Patury92.90%120.00%
Luciano Coelho82.58%120.00%
Total310100.00%5100.00%

EXPORT_SYMBOL_GPL(wlcore_set_partition);
void wl1271_io_reset(struct wl1271 *wl) { if (wl->if_ops->reset) wl->if_ops->reset(wl->dev); }

Contributors

PersonTokensPropCommitsCommitProp
Teemu Paasikivi1965.52%250.00%
Felipe Balbi1034.48%250.00%
Total29100.00%4100.00%


void wl1271_io_init(struct wl1271 *wl) { if (wl->if_ops->init) wl->if_ops->init(wl->dev); }

Contributors

PersonTokensPropCommitsCommitProp
Teemu Paasikivi1965.52%250.00%
Felipe Balbi1034.48%250.00%
Total29100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Teemu Paasikivi26735.27%422.22%
Luciano Coelho25834.08%422.22%
Ido Yariv13317.57%422.22%
Shahar Levi364.76%211.11%
Felipe Balbi293.83%211.11%
Guy Mishol253.30%15.56%
Shahar Patury91.19%15.56%
Total757100.00%18100.00%
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