@@ -249,5 +249,6 @@ config EP93XX_PWM
source "drivers/misc/c2port/Kconfig"
source "drivers/misc/eeprom/Kconfig"
source "drivers/misc/cb710/Kconfig"
+source "drivers/misc/iwmc3200top/Kconfig"
endif # MISC_DEVICES
@@ -21,5 +21,6 @@ obj-$(CONFIG_HP_ILO) += hpilo.o
obj-$(CONFIG_ISL29003) += isl29003.o
obj-$(CONFIG_EP93XX_PWM) += ep93xx_pwm.o
obj-$(CONFIG_C2PORT) += c2port/
+obj-$(CONFIG_IWMC3200TOP) += iwmc3200top/
obj-y += eeprom/
obj-y += cb710/
new file mode 100644
@@ -0,0 +1,20 @@
+config IWMC3200TOP
+ tristate "Intel Wireless MultiCom Top Driver"
+ depends on MMC && EXPERIMENTAL
+ select FW_LOADER
+ ---help---
+ Intel Wireless MultiCom 3200 Top driver is responsible for
+ for firmware load and enabled coms enumeration
+
+config IWMC3200TOP_DEBUG
+ bool "Enable full debug output of iwmc3200top Driver"
+ depends on IWMC3200TOP
+ ---help---
+ Enable full debug output of iwmc3200top Driver
+
+config IWMC3200TOP_DEBUGFS
+ bool "Enable Debugfs debugging interface for iwmc3200top"
+ depends on IWMC3200TOP
+ ---help---
+ Enable creation of debugfs files for iwmc3200top
+
new file mode 100644
@@ -0,0 +1,29 @@
+# iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+# drivers/misc/iwmc3200top/Makefile
+#
+# Copyright (C) 2009 Intel Corporation. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version
+# 2 as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+#
+# Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+# -
+#
+#
+
+obj-$(CONFIG_IWMC3200TOP) += iwmc3200top.o
+iwmc3200top-objs := main.o fw-download.o
+iwmc3200top-$(CONFIG_IWMC3200TOP_DEBUG) += log.o
+iwmc3200top-$(CONFIG_IWMC3200TOP_DEBUGFS) += debugfs.o
new file mode 100644
@@ -0,0 +1,133 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/debufs.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio.h>
+#include <linux/debugfs.h>
+
+#include "iwmc3200top.h"
+#include "fw-msg.h"
+#include "log.h"
+#include "debugfs.h"
+
+
+
+/* Constants definition */
+#define HEXADECIMAL_RADIX 16
+
+/* Functions definition */
+
+
+#define DEBUGFS_ADD(name, parent) do { \
+ dbgfs->dbgfs_##parent##_files.file_##name = \
+ debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv, \
+ &iwmct_dbgfs_##name##_ops); \
+} while (0)
+
+#define DEBUGFS_RM(name) do { \
+ debugfs_remove(name); \
+ name = NULL; \
+} while (0)
+
+#define DEBUGFS_READ_FUNC(name) \
+ssize_t iwmct_dbgfs_##name##_read(struct file *file, \
+ char __user *user_buf, \
+ size_t count, loff_t *ppos);
+
+#define DEBUGFS_WRITE_FUNC(name) \
+ssize_t iwmct_dbgfs_##name##_write(struct file *file, \
+ const char __user *user_buf, \
+ size_t count, loff_t *ppos);
+
+#define DEBUGFS_READ_FILE_OPS(name) \
+ DEBUGFS_READ_FUNC(name) \
+ static const struct file_operations iwmct_dbgfs_##name##_ops = { \
+ .read = iwmct_dbgfs_##name##_read, \
+ .open = iwmct_dbgfs_open_file_generic, \
+ };
+
+#define DEBUGFS_WRITE_FILE_OPS(name) \
+ DEBUGFS_WRITE_FUNC(name) \
+ static const struct file_operations iwmct_dbgfs_##name##_ops = { \
+ .write = iwmct_dbgfs_##name##_write, \
+ .open = iwmct_dbgfs_open_file_generic, \
+ };
+
+#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
+ DEBUGFS_READ_FUNC(name) \
+ DEBUGFS_WRITE_FUNC(name) \
+ static const struct file_operations iwmct_dbgfs_##name##_ops = {\
+ .write = iwmct_dbgfs_##name##_write, \
+ .read = iwmct_dbgfs_##name##_read, \
+ .open = iwmct_dbgfs_open_file_generic, \
+ };
+
+
+/* Debugfs file ops definitions */
+
+/*
+ * Create the debugfs files and directories
+ *
+ */
+void iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name)
+{
+ struct iwmct_debugfs *dbgfs;
+
+ dbgfs = kzalloc(sizeof(struct iwmct_debugfs), GFP_KERNEL);
+ if (!dbgfs) {
+ LOG_ERROR(priv, DEBUGFS, "failed to allocate %zd bytes\n",
+ sizeof(struct iwmct_debugfs));
+ return;
+ }
+
+ priv->dbgfs = dbgfs;
+ dbgfs->name = name;
+ dbgfs->dir_drv = debugfs_create_dir(name, NULL);
+ if (!dbgfs->dir_drv) {
+ LOG_ERROR(priv, DEBUGFS, "failed to create debugfs dir\n");
+ return;
+ }
+
+ return;
+}
+
+/**
+ * Remove the debugfs files and directories
+ *
+ */
+void iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs)
+{
+ if (!dbgfs)
+ return;
+
+ DEBUGFS_RM(dbgfs->dir_drv);
+ kfree(dbgfs);
+ dbgfs = NULL;
+}
+
new file mode 100644
@@ -0,0 +1,58 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/debufs.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#ifndef __DEBUGFS_H__
+#define __DEBUGFS_H__
+
+
+#ifdef CONFIG_IWMC3200TOP_DEBUGFS
+
+struct iwmct_debugfs {
+ const char *name;
+ struct dentry *dir_drv;
+ struct dir_drv_files {
+ } dbgfs_drv_files;
+};
+
+void iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name);
+void iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs);
+
+#else /* CONFIG_IWMC3200TOP_DEBUGFS */
+
+struct iwmct_debugfs;
+
+static inline void
+iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name)
+{}
+
+static inline void
+iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs)
+{}
+
+#endif /* CONFIG_IWMC3200TOP_DEBUGFS */
+
+#endif /* __DEBUGFS_H__ */
+
new file mode 100644
@@ -0,0 +1,359 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/fw-download.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#include <linux/firmware.h>
+#include <linux/mmc/sdio_func.h>
+#include <asm/unaligned.h>
+
+#include "iwmc3200top.h"
+#include "log.h"
+#include "fw-msg.h"
+
+#define CHECKSUM_BYTES_NUM sizeof(u32)
+
+/**
+ init parser struct with file
+ */
+static int iwmct_fw_parser_init(struct iwmct_priv *priv, const u8 *file,
+ size_t file_size, size_t block_size)
+{
+ struct iwmct_parser *parser = &priv->parser;
+ struct iwmct_fw_hdr *fw_hdr = &parser->versions;
+
+ LOG_INFOEX(priv, INIT, "-->\n");
+
+ LOG_INFO(priv, FW_DOWNLOAD, "file_size=%zd\n", file_size);
+
+ parser->file = file;
+ parser->file_size = file_size;
+ parser->cur_pos = 0;
+ parser->buf = NULL;
+
+ parser->buf = kzalloc(block_size, GFP_KERNEL);
+ if (!parser->buf) {
+ LOG_ERROR(priv, FW_DOWNLOAD, "kzalloc error\n");
+ return -ENOMEM;
+ }
+ parser->buf_size = block_size;
+
+ /* extract fw versions */
+ memcpy(fw_hdr, parser->file, sizeof(struct iwmct_fw_hdr));
+ LOG_INFO(priv, FW_DOWNLOAD, "fw versions are:\n"
+ "top %u.%u.%u gps %u.%u.%u bt %u.%u.%u tic %s\n",
+ fw_hdr->top_major, fw_hdr->top_minor, fw_hdr->top_revision,
+ fw_hdr->gps_major, fw_hdr->gps_minor, fw_hdr->gps_revision,
+ fw_hdr->bt_major, fw_hdr->bt_minor, fw_hdr->bt_revision,
+ fw_hdr->tic_name);
+
+ parser->cur_pos += sizeof(struct iwmct_fw_hdr);
+
+ LOG_INFOEX(priv, INIT, "<--\n");
+ return 0;
+}
+
+static bool iwmct_checksum(struct iwmct_priv *priv)
+{
+ struct iwmct_parser *parser = &priv->parser;
+ __le32 *file = (__le32 *)parser->file;
+ int i, pad, steps;
+ u32 accum = 0;
+ u32 checksum;
+ u32 mask = 0xffffffff;
+
+ pad = (parser->file_size - CHECKSUM_BYTES_NUM) % 4;
+ steps = (parser->file_size - CHECKSUM_BYTES_NUM) / 4;
+
+ LOG_INFO(priv, FW_DOWNLOAD, "pad=%d steps=%d\n", pad, steps);
+
+ for (i = 0; i < steps; i++)
+ accum += le32_to_cpu(file[i]);
+
+ if (pad) {
+ mask <<= 8 * (4 - pad);
+ accum += le32_to_cpu(file[steps]) & mask;
+ }
+
+ checksum = get_unaligned_le32((__le32 *)(parser->file +
+ parser->file_size - CHECKSUM_BYTES_NUM));
+
+ LOG_INFO(priv, FW_DOWNLOAD,
+ "compare checksum accum=0x%x to checksum=0x%x\n",
+ accum, checksum);
+
+ return checksum == accum;
+}
+
+static int iwmct_parse_next_section(struct iwmct_priv *priv, const u8 **p_sec,
+ size_t *sec_size, __le32 *sec_addr)
+{
+ struct iwmct_parser *parser = &priv->parser;
+ struct iwmct_dbg *dbg = &priv->dbg;
+ struct iwmct_fw_sec_hdr *sec_hdr;
+
+ LOG_INFOEX(priv, INIT, "-->\n");
+
+ while (parser->cur_pos + sizeof(struct iwmct_fw_sec_hdr)
+ <= parser->file_size) {
+
+ sec_hdr = (struct iwmct_fw_sec_hdr *)
+ (parser->file + parser->cur_pos);
+ parser->cur_pos += sizeof(struct iwmct_fw_sec_hdr);
+
+ LOG_INFO(priv, FW_DOWNLOAD,
+ "sec hdr: type=%s addr=0x%x size=%d\n",
+ sec_hdr->type, sec_hdr->target_addr,
+ sec_hdr->data_size);
+
+ if (strcmp(sec_hdr->type, "ENT") == 0)
+ parser->entry_point = le32_to_cpu(sec_hdr->target_addr);
+ else if (strcmp(sec_hdr->type, "LBL") == 0)
+ strcpy(dbg->label_fw, parser->file + parser->cur_pos);
+ else if (((strcmp(sec_hdr->type, "TOP") == 0) &&
+ (priv->barker & BARKER_DNLOAD_TOP_MSK)) ||
+ ((strcmp(sec_hdr->type, "GPS") == 0) &&
+ (priv->barker & BARKER_DNLOAD_GPS_MSK)) ||
+ ((strcmp(sec_hdr->type, "BTH") == 0) &&
+ (priv->barker & BARKER_DNLOAD_BT_MSK))) {
+ *sec_addr = sec_hdr->target_addr;
+ *sec_size = le32_to_cpu(sec_hdr->data_size);
+ *p_sec = parser->file + parser->cur_pos;
+ parser->cur_pos += le32_to_cpu(sec_hdr->data_size);
+ return 1;
+ } else if (strcmp(sec_hdr->type, "LOG") != 0)
+ LOG_WARNING(priv, FW_DOWNLOAD,
+ "skipping section type %s\n",
+ sec_hdr->type);
+
+ parser->cur_pos += le32_to_cpu(sec_hdr->data_size);
+ LOG_INFO(priv, FW_DOWNLOAD,
+ "finished with section cur_pos=%zd\n", parser->cur_pos);
+ }
+
+ LOG_INFOEX(priv, INIT, "<--\n");
+ return 0;
+}
+
+static int iwmct_download_section(struct iwmct_priv *priv, const u8 *p_sec,
+ size_t sec_size, __le32 addr)
+{
+ struct iwmct_parser *parser = &priv->parser;
+ struct iwmct_fw_load_hdr *hdr = (struct iwmct_fw_load_hdr *)parser->buf;
+ const u8 *cur_block = p_sec;
+ size_t sent = 0;
+ int cnt = 0;
+ int ret = 0;
+ u32 cmd = 0;
+
+ LOG_INFOEX(priv, INIT, "-->\n");
+ LOG_INFO(priv, FW_DOWNLOAD, "Download address 0x%x size 0x%zx\n",
+ addr, sec_size);
+
+ while (sent < sec_size) {
+ int i;
+ u32 chksm = 0;
+ u32 reset = atomic_read(&priv->reset);
+ /* actual FW data */
+ u32 data_size = min(parser->buf_size - sizeof(*hdr),
+ sec_size - sent);
+ /* Pad to block size */
+ u32 trans_size = (data_size + sizeof(*hdr) +
+ IWMC_SDIO_BLK_SIZE - 1) &
+ ~(IWMC_SDIO_BLK_SIZE - 1);
+ ++cnt;
+
+ /* in case of reset, interrupt FW DOWNLAOD */
+ if (reset) {
+ LOG_INFO(priv, FW_DOWNLOAD,
+ "Reset detected. Abort FW download!!!");
+ ret = -ECANCELED;
+ goto exit;
+ }
+
+ memset(parser->buf, 0, parser->buf_size);
+ cmd |= IWMC_OPCODE_WRITE << CMD_HDR_OPCODE_POS;
+ cmd |= IWMC_CMD_SIGNATURE << CMD_HDR_SIGNATURE_POS;
+ cmd |= (priv->dbg.direct ? 1 : 0) << CMD_HDR_DIRECT_ACCESS_POS;
+ cmd |= (priv->dbg.checksum ? 1 : 0) << CMD_HDR_USE_CHECKSUM_POS;
+ hdr->data_size = cpu_to_le32(data_size);
+ hdr->target_addr = addr;
+
+ /* checksum is allowed for sizes divisible by 4 */
+ if (data_size & 0x3)
+ cmd &= ~CMD_HDR_USE_CHECKSUM_MSK;
+
+ memcpy(hdr->data, cur_block, data_size);
+
+
+ if (cmd & CMD_HDR_USE_CHECKSUM_MSK) {
+
+ chksm = data_size + le32_to_cpu(addr) + cmd;
+ for (i = 0; i < data_size >> 2; i++)
+ chksm += ((u32 *)cur_block)[i];
+
+ hdr->block_chksm = cpu_to_le32(chksm);
+ LOG_INFO(priv, FW_DOWNLOAD, "Checksum = 0x%X\n",
+ hdr->block_chksm);
+ }
+
+ LOG_INFO(priv, FW_DOWNLOAD, "trans#%d, len=%d, sent=%zd, "
+ "sec_size=%zd, startAddress 0x%X\n",
+ cnt, trans_size, sent, sec_size, addr);
+
+ if (priv->dbg.dump)
+ LOG_HEXDUMP(FW_DOWNLOAD, parser->buf, trans_size);
+
+
+ hdr->cmd = cpu_to_le32(cmd);
+ /* send it down */
+ /* TODO: add more proper sending and error checking */
+ ret = iwmct_tx(priv, 0, parser->buf, trans_size);
+ if (ret != 0) {
+ LOG_INFO(priv, FW_DOWNLOAD,
+ "iwmct_tx returned %d\n", ret);
+ goto exit;
+ }
+
+ addr = cpu_to_le32(le32_to_cpu(addr) + data_size);
+ sent += data_size;
+ cur_block = p_sec + sent;
+
+ if (priv->dbg.blocks && (cnt + 1) >= priv->dbg.blocks) {
+ LOG_INFO(priv, FW_DOWNLOAD,
+ "Block number limit is reached [%d]\n",
+ priv->dbg.blocks);
+ break;
+ }
+ }
+
+ if (sent < sec_size)
+ ret = -EINVAL;
+exit:
+ LOG_INFOEX(priv, INIT, "<--\n");
+ return ret;
+}
+
+static int iwmct_kick_fw(struct iwmct_priv *priv, bool jump)
+{
+ struct iwmct_parser *parser = &priv->parser;
+ struct iwmct_fw_load_hdr *hdr = (struct iwmct_fw_load_hdr *)parser->buf;
+ int ret;
+ u32 cmd;
+
+ LOG_INFOEX(priv, INIT, "-->\n");
+
+ memset(parser->buf, 0, parser->buf_size);
+ cmd = IWMC_CMD_SIGNATURE << CMD_HDR_SIGNATURE_POS;
+ if (jump) {
+ cmd |= IWMC_OPCODE_JUMP << CMD_HDR_OPCODE_POS;
+ hdr->target_addr = cpu_to_le32(parser->entry_point);
+ LOG_INFO(priv, FW_DOWNLOAD, "jump address 0x%x\n",
+ parser->entry_point);
+ } else {
+ cmd |= IWMC_OPCODE_LAST_COMMAND << CMD_HDR_OPCODE_POS;
+ LOG_INFO(priv, FW_DOWNLOAD, "last command\n");
+ }
+
+ hdr->cmd = cpu_to_le32(cmd);
+
+ LOG_HEXDUMP(FW_DOWNLOAD, parser->buf, sizeof(*hdr));
+ /* send it down */
+ /* TODO: add more proper sending and error checking */
+ ret = iwmct_tx(priv, 0, parser->buf, IWMC_SDIO_BLK_SIZE);
+ if (ret)
+ LOG_INFO(priv, FW_DOWNLOAD, "iwmct_tx returned %d", ret);
+
+ LOG_INFOEX(priv, INIT, "<--\n");
+ return 0;
+}
+
+int iwmct_fw_load(struct iwmct_priv *priv)
+{
+ const struct firmware *raw = NULL;
+ __le32 addr;
+ size_t len;
+ const u8 *pdata;
+ const u8 *name = "iwmc3200top.1.fw";
+ int ret = 0;
+
+ /* clear parser struct */
+ memset(&priv->parser, 0, sizeof(struct iwmct_parser));
+ if (!name) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ /* get the firmware */
+ ret = request_firmware(&raw, name, &priv->func->dev);
+ if (ret < 0) {
+ LOG_ERROR(priv, FW_DOWNLOAD, "%s request_firmware failed %d\n",
+ name, ret);
+ goto exit;
+ }
+
+ if (raw->size < sizeof(struct iwmct_fw_sec_hdr)) {
+ LOG_ERROR(priv, FW_DOWNLOAD, "%s smaller then (%zd) (%zd)\n",
+ name, sizeof(struct iwmct_fw_sec_hdr), raw->size);
+ goto exit;
+ }
+
+ LOG_INFO(priv, FW_DOWNLOAD, "Read firmware '%s'\n", name);
+
+ ret = iwmct_fw_parser_init(priv, raw->data, raw->size, priv->trans_len);
+ if (ret < 0) {
+ LOG_ERROR(priv, FW_DOWNLOAD,
+ "iwmct_parser_init failed: Reason %d\n", ret);
+ goto exit;
+ }
+
+ /* checksum */
+ if (!iwmct_checksum(priv)) {
+ LOG_ERROR(priv, FW_DOWNLOAD, "checksum error\n");
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ /* download firmware to device */
+ while (iwmct_parse_next_section(priv, &pdata, &len, &addr)) {
+ if (iwmct_download_section(priv, pdata, len, addr)) {
+ LOG_ERROR(priv, FW_DOWNLOAD,
+ "%s download section failed\n", name);
+ ret = -EIO;
+ goto exit;
+ }
+ }
+
+ iwmct_kick_fw(priv, !!(priv->barker & BARKER_DNLOAD_JUMP_MSK));
+
+exit:
+ kfree(priv->parser.buf);
+
+ if (raw)
+ release_firmware(raw);
+
+ raw = NULL;
+
+ return ret;
+}
new file mode 100644
@@ -0,0 +1,113 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/fw-msg.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#ifndef __FWMSG_H__
+#define __FWMSG_H__
+
+#define COMM_TYPE_D2H 0xFF
+#define COMM_TYPE_H2D 0xEE
+
+#define COMM_CATEGORY_OPERATIONAL 0x00
+#define COMM_CATEGORY_DEBUG 0x01
+#define COMM_CATEGORY_TESTABILITY 0x02
+#define COMM_CATEGORY_DIAGNOSTICS 0x03
+
+#define OP_DBG_ZSTR_MSG cpu_to_le16(0x1A)
+
+#define FW_LOG_SRC_MAX 32
+#define FW_LOG_SRC_ALL 255
+
+#define FW_STRING_TABLE_ADDR cpu_to_le32(0x0C000000)
+
+#define CMD_DBG_LOG_LEVEL cpu_to_le16(0x0001)
+#define CMD_TST_DEV_RESET cpu_to_le16(0x0060)
+#define CMD_TST_FUNC_RESET cpu_to_le16(0x0062)
+#define CMD_TST_IFACE_RESET cpu_to_le16(0x0064)
+#define CMD_TST_CPU_UTILIZATION cpu_to_le16(0x0065)
+#define CMD_TST_TOP_DEEP_SLEEP cpu_to_le16(0x0080)
+#define CMD_TST_WAKEUP cpu_to_le16(0x0081)
+#define CMD_TST_FUNC_WAKEUP cpu_to_le16(0x0082)
+#define CMD_TST_FUNC_DEEP_SLEEP_REQUEST cpu_to_le16(0x0083)
+#define CMD_TST_GET_MEM_DUMP cpu_to_le16(0x0096)
+
+#define OP_OPR_ALIVE cpu_to_le16(0x0010)
+#define OP_OPR_CMD_ACK cpu_to_le16(0x001F)
+#define OP_OPR_CMD_NACK cpu_to_le16(0x0020)
+#define OP_TST_MEM_DUMP cpu_to_le16(0x0043)
+
+#define CMD_FLAG_PADDING_256 0x80
+
+#define FW_HCMD_BLOCK_SIZE 256
+
+struct msg_hdr {
+ u8 type;
+ u8 category;
+ __le16 opcode;
+ u8 seqnum;
+ u8 flags;
+ __le16 length;
+} __attribute__((__packed__));
+
+struct log_hdr {
+ __le32 timestamp;
+ u8 severity;
+ u8 logsource;
+ __le16 reserved;
+} __attribute__((__packed__));
+
+struct mdump_hdr {
+ u8 dmpid;
+ u8 frag;
+ __le16 size;
+ __le32 addr;
+} __attribute__((__packed__));
+
+struct top_msg {
+ struct msg_hdr hdr;
+ union {
+ /* D2H messages */
+ struct {
+ struct log_hdr log_hdr;
+ u8 data[1];
+ } __attribute__((__packed__)) log;
+
+ struct {
+ struct log_hdr log_hdr;
+ struct mdump_hdr md_hdr;
+ u8 data[1];
+ } __attribute__((__packed__)) mdump;
+
+ /* H2D messages */
+ struct {
+ u8 logsource;
+ u8 sevmask;
+ } __attribute__((__packed__)) logdefs[FW_LOG_SRC_MAX];
+ struct mdump_hdr mdump_req;
+ } u;
+} __attribute__((__packed__));
+
+
+#endif /* __FWMSG_H__ */
new file mode 100644
@@ -0,0 +1,206 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/iwmc3200top.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#ifndef __IWMC3200TOP_H__
+#define __IWMC3200TOP_H__
+
+#include <linux/workqueue.h>
+
+#define DRV_NAME "iwmc3200top"
+
+#define IWMC_SDIO_BLK_SIZE 256
+#define IWMC_DEFAULT_TR_BLK 64
+#define IWMC_SDIO_DATA_ADDR 0x0
+#define IWMC_SDIO_INTR_ENABLE_ADDR 0x14
+#define IWMC_SDIO_INTR_STATUS_ADDR 0x13
+#define IWMC_SDIO_INTR_CLEAR_ADDR 0x13
+#define IWMC_SDIO_INTR_GET_SIZE_ADDR 0x2C
+
+#define COMM_HUB_HEADER_LENGTH 16
+#define LOGGER_HEADER_LENGTH 10
+
+
+#define BARKER_DNLOAD_BT_POS 0
+#define BARKER_DNLOAD_BT_MSK BIT(BARKER_DNLOAD_BT_POS)
+#define BARKER_DNLOAD_GPS_POS 1
+#define BARKER_DNLOAD_GPS_MSK BIT(BARKER_DNLOAD_GPS_POS)
+#define BARKER_DNLOAD_TOP_POS 2
+#define BARKER_DNLOAD_TOP_MSK BIT(BARKER_DNLOAD_TOP_POS)
+#define BARKER_DNLOAD_RESERVED1_POS 3
+#define BARKER_DNLOAD_RESERVED1_MSK BIT(BARKER_DNLOAD_RESERVED1_POS)
+#define BARKER_DNLOAD_JUMP_POS 4
+#define BARKER_DNLOAD_JUMP_MSK BIT(BARKER_DNLOAD_JUMP_POS)
+#define BARKER_DNLOAD_SYNC_POS 5
+#define BARKER_DNLOAD_SYNC_MSK BIT(BARKER_DNLOAD_SYNC_POS)
+#define BARKER_DNLOAD_RESERVED2_POS 6
+#define BARKER_DNLOAD_RESERVED2_MSK (0x3 << BARKER_DNLOAD_RESERVED2_POS)
+#define BARKER_DNLOAD_BARKER_POS 8
+#define BARKER_DNLOAD_BARKER_MSK (0xffffff << BARKER_DNLOAD_BARKER_POS)
+
+#define IWMC_BARKER_REBOOT (0xdeadbe << BARKER_DNLOAD_BARKER_POS)
+/* whole field barker */
+#define IWMC_BARKER_ACK 0xfeedbabe
+
+#define IWMC_CMD_SIGNATURE 0xcbbc
+
+#define CMD_HDR_OPCODE_POS 0
+#define CMD_HDR_OPCODE_MSK_MSK (0xf << CMD_HDR_OPCODE_MSK_POS)
+#define CMD_HDR_RESPONSE_CODE_POS 4
+#define CMD_HDR_RESPONSE_CODE_MSK (0xf << CMD_HDR_RESPONSE_CODE_POS)
+#define CMD_HDR_USE_CHECKSUM_POS 8
+#define CMD_HDR_USE_CHECKSUM_MSK BIT(CMD_HDR_USE_CHECKSUM_POS)
+#define CMD_HDR_RESPONSE_REQUIRED_POS 9
+#define CMD_HDR_RESPONSE_REQUIRED_MSK BIT(CMD_HDR_RESPONSE_REQUIRED_POS)
+#define CMD_HDR_DIRECT_ACCESS_POS 10
+#define CMD_HDR_DIRECT_ACCESS_MSK BIT(CMD_HDR_DIRECT_ACCESS_POS)
+#define CMD_HDR_RESERVED_POS 11
+#define CMD_HDR_RESERVED_MSK BIT(0x1f << CMD_HDR_RESERVED_POS)
+#define CMD_HDR_SIGNATURE_POS 16
+#define CMD_HDR_SIGNATURE_MSK BIT(0xffff << CMD_HDR_SIGNATURE_POS)
+
+enum {
+ IWMC_OPCODE_PING = 0,
+ IWMC_OPCODE_READ = 1,
+ IWMC_OPCODE_WRITE = 2,
+ IWMC_OPCODE_JUMP = 3,
+ IWMC_OPCODE_REBOOT = 4,
+ IWMC_OPCODE_PERSISTENT_WRITE = 5,
+ IWMC_OPCODE_PERSISTENT_READ = 6,
+ IWMC_OPCODE_READ_MODIFY_WRITE = 7,
+ IWMC_OPCODE_LAST_COMMAND = 15
+};
+
+struct iwmct_fw_load_hdr {
+ __le32 cmd;
+ __le32 target_addr;
+ __le32 data_size;
+ __le32 block_chksm;
+ u8 data[0];
+};
+
+/**
+ * struct iwmct_fw_hdr
+ * holds all sw components versions
+ */
+struct iwmct_fw_hdr {
+ u8 top_major;
+ u8 top_minor;
+ u8 top_revision;
+ u8 gps_major;
+ u8 gps_minor;
+ u8 gps_revision;
+ u8 bt_major;
+ u8 bt_minor;
+ u8 bt_revision;
+ u8 tic_name[31];
+};
+
+/**
+ * struct iwmct_fw_sec_hdr
+ * @type: function type
+ * @data_size: section's data size
+ * @target_addr: download address
+ */
+struct iwmct_fw_sec_hdr {
+ u8 type[4];
+ __le32 data_size;
+ __le32 target_addr;
+};
+
+/**
+ * struct iwmct_parser
+ * @file: fw image
+ * @file_size: fw size
+ * @cur_pos: position in file
+ * @buf: temp buf for download
+ * @buf_size: size of buf
+ * @entry_point: address to jump in fw kick-off
+ */
+struct iwmct_parser {
+ const u8 *file;
+ size_t file_size;
+ size_t cur_pos;
+ u8 *buf;
+ size_t buf_size;
+ u32 entry_point;
+ struct iwmct_fw_hdr versions;
+};
+
+
+struct iwmct_work_struct {
+ struct list_head list;
+ ssize_t iosize;
+};
+
+struct iwmct_dbg {
+ int blocks;
+ bool dump;
+ bool jump;
+ bool direct;
+ bool checksum;
+ bool fw_download;
+ int block_size;
+ int download_trans_blks;
+
+ char label_fw[256];
+};
+
+struct iwmct_debugfs;
+
+struct iwmct_priv {
+ struct sdio_func *func;
+ struct iwmct_debugfs *dbgfs;
+ struct iwmct_parser parser;
+ atomic_t reset;
+ atomic_t dev_sync;
+ u32 trans_len;
+ u32 barker;
+ struct iwmct_dbg dbg;
+
+ /* drivers work queue */
+ struct workqueue_struct *wq;
+ struct workqueue_struct *bus_rescan_wq;
+ struct work_struct bus_rescan_worker;
+ struct work_struct isr_worker;
+
+ /* drivers wait queue */
+ wait_queue_head_t wait_q;
+
+ /* rx request list */
+ struct list_head read_req_list;
+};
+
+extern int iwmct_tx(struct iwmct_priv *priv, unsigned int addr,
+ void *src, int count);
+
+extern int iwmct_fw_load(struct iwmct_priv *priv);
+
+extern void iwmct_dbg_init_params(struct iwmct_priv *drv);
+extern void iwmct_dbg_init_drv_attrs(struct device_driver *drv);
+extern void iwmct_dbg_remove_drv_attrs(struct device_driver *drv);
+extern int iwmct_send_hcmd(struct iwmct_priv *priv, u8 *cmd, u16 len);
+
+#endif /* __IWMC3200TOP_H__ */
new file mode 100644
@@ -0,0 +1,347 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/log.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/ctype.h>
+#include "fw-msg.h"
+#include "iwmc3200top.h"
+#include "log.h"
+
+/* Maximal hexadecimal string size of the FW memdump message */
+#define LOG_MSG_SIZE_MAX 12400
+
+/* iwmct_logdefs is a global used by log macros */
+u8 iwmct_logdefs[LOG_SRC_MAX];
+static u8 iwmct_fw_logdefs[FW_LOG_SRC_MAX];
+
+
+static int _log_set_log_filter(u8 *logdefs, int size, u8 src, u8 logmask)
+{
+ int i;
+
+ if (src < size)
+ logdefs[src] = logmask;
+ else if (src == LOG_SRC_ALL)
+ for (i = 0; i < size; i++)
+ logdefs[i] = logmask;
+ else
+ return -1;
+
+ return 0;
+}
+
+
+int iwmct_log_set_filter(u8 src, u8 logmask)
+{
+ return _log_set_log_filter(iwmct_logdefs, LOG_SRC_MAX, src, logmask);
+}
+
+
+int iwmct_log_set_fw_filter(u8 src, u8 logmask)
+{
+ return _log_set_log_filter(iwmct_fw_logdefs,
+ FW_LOG_SRC_MAX, src, logmask);
+}
+
+
+static int log_msg_format_hex(char *str, int slen, u8 *ibuf,
+ int ilen, char *pref)
+{
+ int pos = 0;
+ int i;
+ int len;
+
+ for (pos = 0, i = 0; pos < slen - 2 && pref[i] != '\0'; i++, pos++)
+ str[pos] = pref[i];
+
+ for (i = 0; pos < slen - 2 && i < ilen; pos += len, i++)
+ len = snprintf(&str[pos], slen - pos - 1, " %2.2X", ibuf[i]);
+
+ if (i < ilen)
+ return -1;
+
+ return 0;
+}
+
+/* NOTE: This function is not thread safe.
+ Currently it's called only from sdio rx worker - no race there
+*/
+void iwmct_log_top_message(struct iwmct_priv *priv, u8 *buf, int len)
+{
+ struct top_msg *msg;
+ static char logbuf[LOG_MSG_SIZE_MAX];
+
+ msg = (struct top_msg *)buf;
+
+ if (len < sizeof(msg->hdr) + sizeof(msg->u.log.log_hdr)) {
+ LOG_ERROR(priv, FW_MSG, "Log message from TOP "
+ "is too short %d (expected %zd)\n",
+ len, sizeof(msg->hdr) + sizeof(msg->u.log.log_hdr));
+ return;
+ }
+
+ if (!(iwmct_fw_logdefs[msg->u.log.log_hdr.logsource] &
+ BIT(msg->u.log.log_hdr.severity)) ||
+ !(iwmct_logdefs[LOG_SRC_FW_MSG] & BIT(msg->u.log.log_hdr.severity)))
+ return;
+
+ switch (msg->hdr.category) {
+ case COMM_CATEGORY_TESTABILITY:
+ if (!(iwmct_logdefs[LOG_SRC_TST] &
+ BIT(msg->u.log.log_hdr.severity)))
+ return;
+ if (log_msg_format_hex(logbuf, LOG_MSG_SIZE_MAX, buf,
+ le16_to_cpu(msg->hdr.length) +
+ sizeof(msg->hdr), "<TST>"))
+ LOG_WARNING(priv, TST,
+ "TOP TST message is too long, truncating...");
+ LOG_WARNING(priv, TST, "%s\n", logbuf);
+ break;
+ case COMM_CATEGORY_DEBUG:
+ if (msg->hdr.opcode == OP_DBG_ZSTR_MSG)
+ LOG_INFO(priv, FW_MSG, "%s %s", "<DBG>",
+ ((u8 *)msg) + sizeof(msg->hdr)
+ + sizeof(msg->u.log.log_hdr));
+ else {
+ if (log_msg_format_hex(logbuf, LOG_MSG_SIZE_MAX, buf,
+ le16_to_cpu(msg->hdr.length)
+ + sizeof(msg->hdr),
+ "<DBG>"))
+ LOG_WARNING(priv, FW_MSG,
+ "TOP DBG message is too long,"
+ "truncating...");
+ LOG_WARNING(priv, FW_MSG, "%s\n", logbuf);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static int _log_get_filter_str(u8 *logdefs, int logdefsz, char *buf, int size)
+{
+ int i, pos, len;
+ for (i = 0, pos = 0; (pos < size-1) && (i < logdefsz); i++) {
+ len = snprintf(&buf[pos], size - pos - 1, "0x%02X%02X,",
+ i, logdefs[i]);
+ pos += len;
+ }
+ buf[pos-1] = '\n';
+ buf[pos] = '\0';
+
+ if (i < logdefsz)
+ return -1;
+ return 0;
+}
+
+int log_get_filter_str(char *buf, int size)
+{
+ return _log_get_filter_str(iwmct_logdefs, LOG_SRC_MAX, buf, size);
+}
+
+int log_get_fw_filter_str(char *buf, int size)
+{
+ return _log_get_filter_str(iwmct_fw_logdefs, FW_LOG_SRC_MAX, buf, size);
+}
+
+#define HEXADECIMAL_RADIX 16
+#define LOG_SRC_FORMAT 7 /* log level is in format of "0xXXXX," */
+
+ssize_t show_iwmct_log_level(struct device *d,
+ struct device_attribute *attr, char *buf)
+{
+ struct iwmct_priv *priv = dev_get_drvdata(d);
+ char *str_buf;
+ int buf_size;
+ ssize_t ret;
+
+ buf_size = (LOG_SRC_FORMAT * LOG_SRC_MAX) + 1;
+ str_buf = kzalloc(buf_size, GFP_KERNEL);
+ if (!str_buf) {
+ LOG_ERROR(priv, DEBUGFS,
+ "failed to allocate %d bytes\n", buf_size);
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ if (log_get_filter_str(str_buf, buf_size) < 0) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ ret = sprintf(buf, "%s", str_buf);
+
+exit:
+ kfree(str_buf);
+ return ret;
+}
+
+ssize_t store_iwmct_log_level(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct iwmct_priv *priv = dev_get_drvdata(d);
+ char *token, *str_buf = NULL;
+ long val;
+ ssize_t ret = count;
+ u8 src, mask;
+
+ if (!count)
+ goto exit;
+
+ str_buf = kzalloc(count, GFP_KERNEL);
+ if (!str_buf) {
+ LOG_ERROR(priv, DEBUGFS,
+ "failed to allocate %zd bytes\n", count);
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ memcpy(str_buf, buf, count);
+
+ while ((token = strsep(&str_buf, ",")) != NULL) {
+ while (isspace(*token))
+ ++token;
+ if (strict_strtol(token, HEXADECIMAL_RADIX, &val)) {
+ LOG_ERROR(priv, DEBUGFS,
+ "failed to convert string to long %s\n",
+ token);
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ mask = val & 0xFF;
+ src = (val & 0XFF00) >> 8;
+ iwmct_log_set_filter(src, mask);
+ }
+
+exit:
+ kfree(str_buf);
+ return ret;
+}
+
+ssize_t show_iwmct_log_level_fw(struct device *d,
+ struct device_attribute *attr, char *buf)
+{
+ struct iwmct_priv *priv = dev_get_drvdata(d);
+ char *str_buf;
+ int buf_size;
+ ssize_t ret;
+
+ buf_size = (LOG_SRC_FORMAT * FW_LOG_SRC_MAX) + 2;
+
+ str_buf = kzalloc(buf_size, GFP_KERNEL);
+ if (!str_buf) {
+ LOG_ERROR(priv, DEBUGFS,
+ "failed to allocate %d bytes\n", buf_size);
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ if (log_get_fw_filter_str(str_buf, buf_size) < 0) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ ret = sprintf(buf, "%s", str_buf);
+
+exit:
+ kfree(str_buf);
+ return ret;
+}
+
+ssize_t store_iwmct_log_level_fw(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct iwmct_priv *priv = dev_get_drvdata(d);
+ struct top_msg cmd;
+ char *token, *str_buf = NULL;
+ ssize_t ret = count;
+ u16 cmdlen = 0;
+ int i;
+ long val;
+ u8 src, mask;
+
+ if (!count)
+ goto exit;
+
+ str_buf = kzalloc(count, GFP_KERNEL);
+ if (!str_buf) {
+ LOG_ERROR(priv, DEBUGFS,
+ "failed to allocate %zd bytes\n", count);
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ memcpy(str_buf, buf, count);
+
+ cmd.hdr.type = COMM_TYPE_H2D;
+ cmd.hdr.category = COMM_CATEGORY_DEBUG;
+ cmd.hdr.opcode = CMD_DBG_LOG_LEVEL;
+
+ for (i = 0; ((token = strsep(&str_buf, ",")) != NULL) &&
+ (i < FW_LOG_SRC_MAX); i++) {
+
+ while (isspace(*token))
+ ++token;
+
+ if (strict_strtol(token, HEXADECIMAL_RADIX, &val)) {
+ LOG_ERROR(priv, DEBUGFS,
+ "failed to convert string to long %s\n",
+ token);
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ mask = val & 0xFF; /* LSB */
+ src = (val & 0XFF00) >> 8; /* 2nd least significant byte. */
+ iwmct_log_set_fw_filter(src, mask);
+
+ cmd.u.logdefs[i].logsource = src;
+ cmd.u.logdefs[i].sevmask = mask;
+ }
+
+ cmd.hdr.length = cpu_to_le16(i * sizeof(cmd.u.logdefs[0]));
+ cmdlen = (i * sizeof(cmd.u.logdefs[0]) + sizeof(cmd.hdr));
+
+ ret = iwmct_send_hcmd(priv, (u8 *)&cmd, cmdlen);
+ if (ret) {
+ LOG_ERROR(priv, DEBUGFS,
+ "Failed to send %d bytes of fwcmd, ret=%zd\n",
+ cmdlen, ret);
+ goto exit;
+ } else
+ LOG_INFO(priv, DEBUGFS, "fwcmd sent (%d bytes)\n", cmdlen);
+
+ ret = count;
+
+exit:
+ kfree(str_buf);
+ return ret;
+}
+
new file mode 100644
@@ -0,0 +1,158 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/log.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#ifndef __LOG_H__
+#define __LOG_H__
+
+
+/* log severity:
+ * The log levels here match FW log levels
+ * so values need to stay as is */
+#define LOG_SEV_CRITICAL 0
+#define LOG_SEV_ERROR 1
+#define LOG_SEV_WARNING 2
+#define LOG_SEV_INFO 3
+#define LOG_SEV_INFOEX 4
+
+#define LOG_SEV_FILTER_ALL \
+ (BIT(LOG_SEV_CRITICAL) | \
+ BIT(LOG_SEV_ERROR) | \
+ BIT(LOG_SEV_WARNING) | \
+ BIT(LOG_SEV_INFO) | \
+ BIT(LOG_SEV_INFOEX))
+
+/* log source */
+#define LOG_SRC_INIT 0
+#define LOG_SRC_DEBUGFS 1
+#define LOG_SRC_FW_DOWNLOAD 2
+#define LOG_SRC_FW_MSG 3
+#define LOG_SRC_TST 4
+#define LOG_SRC_IRQ 5
+
+#define LOG_SRC_MAX 6
+#define LOG_SRC_ALL 0xFF
+
+/**
+ * Default intitialization runtime log level
+ */
+#ifndef LOG_SEV_FILTER_RUNTIME
+#define LOG_SEV_FILTER_RUNTIME \
+ (BIT(LOG_SEV_CRITICAL) | \
+ BIT(LOG_SEV_ERROR) | \
+ BIT(LOG_SEV_WARNING))
+#endif
+
+#ifndef FW_LOG_SEV_FILTER_RUNTIME
+#define FW_LOG_SEV_FILTER_RUNTIME LOG_SEV_FILTER_ALL
+#endif
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+/**
+ * Log macros
+ */
+
+#define priv2dev(priv) (&(priv->func)->dev)
+
+#define LOG_CRITICAL(priv, src, fmt, args...) \
+do { \
+ if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_CRITICAL)) \
+ dev_crit(priv2dev(priv), "%s %d: " fmt, \
+ __func__, __LINE__, ##args); \
+} while (0)
+
+#define LOG_ERROR(priv, src, fmt, args...) \
+do { \
+ if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_ERROR)) \
+ dev_err(priv2dev(priv), "%s %d: " fmt, \
+ __func__, __LINE__, ##args); \
+} while (0)
+
+#define LOG_WARNING(priv, src, fmt, args...) \
+do { \
+ if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_WARNING)) \
+ dev_warn(priv2dev(priv), "%s %d: " fmt, \
+ __func__, __LINE__, ##args); \
+} while (0)
+
+#define LOG_INFO(priv, src, fmt, args...) \
+do { \
+ if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFO)) \
+ dev_info(priv2dev(priv), "%s %d: " fmt, \
+ __func__, __LINE__, ##args); \
+} while (0)
+
+#define LOG_INFOEX(priv, src, fmt, args...) \
+do { \
+ if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX)) \
+ dev_dbg(priv2dev(priv), "%s %d: " fmt, \
+ __func__, __LINE__, ##args); \
+} while (0)
+
+#define LOG_HEXDUMP(src, ptr, len) \
+do { \
+ if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX)) \
+ print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE, \
+ 16, 1, ptr, len, false); \
+} while (0)
+
+void iwmct_log_top_message(struct iwmct_priv *priv, u8 *buf, int len);
+
+extern u8 iwmct_logdefs[];
+
+int iwmct_log_set_filter(u8 src, u8 logmask);
+int iwmct_log_set_fw_filter(u8 src, u8 logmask);
+
+ssize_t show_iwmct_log_level(struct device *d,
+ struct device_attribute *attr, char *buf);
+ssize_t store_iwmct_log_level(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t count);
+ssize_t show_iwmct_log_level_fw(struct device *d,
+ struct device_attribute *attr, char *buf);
+ssize_t store_iwmct_log_level_fw(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t count);
+
+#else
+
+#define LOG_CRITICAL(priv, src, fmt, args...)
+#define LOG_ERROR(priv, src, fmt, args...)
+#define LOG_WARNING(priv, src, fmt, args...)
+#define LOG_INFO(priv, src, fmt, args...)
+#define LOG_INFOEX(priv, src, fmt, args...)
+#define LOG_HEXDUMP(src, ptr, len)
+
+static inline void iwmct_log_top_message(struct iwmct_priv *priv,
+ u8 *buf, int len) {}
+static inline int iwmct_log_set_filter(u8 src, u8 logmask) { return 0; }
+static inline int iwmct_log_set_fw_filter(u8 src, u8 logmask) { return 0; }
+
+#endif /* CONFIG_IWMC3200TOP_DEBUG */
+
+int log_get_filter_str(char *buf, int size);
+int log_get_fw_filter_str(char *buf, int size);
+
+#endif /* __LOG_H__ */
new file mode 100644
@@ -0,0 +1,699 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/main.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ * -
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/debugfs.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio.h>
+
+#include "iwmc3200top.h"
+#include "log.h"
+#include "fw-msg.h"
+#include "debugfs.h"
+
+
+#define DRIVER_DESCRIPTION "Intel(R) IWMC 3200 Top Driver"
+#define DRIVER_COPYRIGHT "Copyright (c) 2008 Intel Corporation."
+
+#define IWMCT_VERSION "0.1.62"
+
+#ifdef REPOSITORY_LABEL
+#define RL REPOSITORY_LABEL
+#else
+#define RL local
+#endif
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+#define VD "-d"
+#else
+#define VD
+#endif
+
+#define DRIVER_VERSION IWMCT_VERSION "-" __stringify(RL) VD
+
+MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR(DRIVER_COPYRIGHT);
+
+
+/* FIXME: These can be found in sdio_ids.h in newer kernels */
+#ifndef SDIO_INTEL_VENDOR_ID
+#define SDIO_INTEL_VENDOR_ID 0x0089
+#endif
+#ifndef SDIO_DEVICE_ID_INTEL_IWMC3200TOP
+#define SDIO_DEVICE_ID_INTEL_IWMC3200TOP 0x1404
+#endif
+
+/*
+ * This workers main task is to wait for OP_OPR_ALIVE
+ * from TOP FW until ALIVE_MSG_TIMOUT timeout is elapsed.
+ * When OP_OPR_ALIVE received it will issue
+ * a call to "bus_rescan_devices".
+ */
+static void iwmct_rescan_worker(struct work_struct *ws)
+{
+ struct iwmct_priv *priv;
+ int ret;
+
+ priv = container_of(ws, struct iwmct_priv, bus_rescan_worker);
+
+ LOG_INFO(priv, FW_MSG, "Calling bus_rescan\n");
+
+ ret = bus_rescan_devices(priv->func->dev.bus);
+ if (ret < 0)
+ LOG_INFO(priv, FW_DOWNLOAD, "bus_rescan_devices FAILED!!!\n");
+}
+
+static void op_top_message(struct iwmct_priv *priv, struct top_msg *msg)
+{
+ switch (msg->hdr.opcode) {
+ case OP_OPR_ALIVE:
+ LOG_INFO(priv, FW_MSG, "Got ALIVE from device, wake rescan\n");
+ queue_work(priv->bus_rescan_wq, &priv->bus_rescan_worker);
+ break;
+ default:
+ LOG_INFO(priv, FW_MSG, "Received msg opcode 0x%X\n",
+ msg->hdr.opcode);
+ break;
+ }
+}
+
+
+static void handle_top_message(struct iwmct_priv *priv, u8 *buf, int len)
+{
+ struct top_msg *msg;
+
+ msg = (struct top_msg *)buf;
+
+ if (msg->hdr.type != COMM_TYPE_D2H) {
+ LOG_ERROR(priv, FW_MSG,
+ "Message from TOP with invalid message type 0x%X\n",
+ msg->hdr.type);
+ return;
+ }
+
+ if (len < sizeof(msg->hdr)) {
+ LOG_ERROR(priv, FW_MSG,
+ "Message from TOP is too short for message header "
+ "received %d bytes, expected at least %zd bytes\n",
+ len, sizeof(msg->hdr));
+ return;
+ }
+
+ if (len < le16_to_cpu(msg->hdr.length) + sizeof(msg->hdr)) {
+ LOG_ERROR(priv, FW_MSG,
+ "Message length (%d bytes) is shorter than "
+ "in header (%d bytes)\n",
+ len, le16_to_cpu(msg->hdr.length));
+ return;
+ }
+
+ switch (msg->hdr.category) {
+ case COMM_CATEGORY_OPERATIONAL:
+ op_top_message(priv, (struct top_msg *)buf);
+ break;
+
+ case COMM_CATEGORY_DEBUG:
+ case COMM_CATEGORY_TESTABILITY:
+ case COMM_CATEGORY_DIAGNOSTICS:
+ iwmct_log_top_message(priv, buf, len);
+ break;
+
+ default:
+ LOG_ERROR(priv, FW_MSG,
+ "Message from TOP with unknown category 0x%X\n",
+ msg->hdr.category);
+ break;
+ }
+}
+
+int iwmct_send_hcmd(struct iwmct_priv *priv, u8 *cmd, u16 len)
+{
+ int ret;
+ u8 *buf;
+
+ LOG_INFOEX(priv, FW_MSG, "Sending hcmd:\n");
+
+ /* add padding to 256 for IWMC */
+ ((struct top_msg *)cmd)->hdr.flags |= CMD_FLAG_PADDING_256;
+
+ LOG_HEXDUMP(FW_MSG, cmd, len);
+
+ if (len > FW_HCMD_BLOCK_SIZE) {
+ LOG_ERROR(priv, FW_MSG, "size %d exceeded hcmd max size %d\n",
+ len, FW_HCMD_BLOCK_SIZE);
+ return -1;
+ }
+
+ buf = kzalloc(FW_HCMD_BLOCK_SIZE, GFP_KERNEL);
+ if (!buf) {
+ LOG_ERROR(priv, FW_MSG, "kzalloc error, buf size %d\n",
+ FW_HCMD_BLOCK_SIZE);
+ return -1;
+ }
+
+ memcpy(buf, cmd, len);
+
+ sdio_claim_host(priv->func);
+ ret = sdio_memcpy_toio(priv->func, IWMC_SDIO_DATA_ADDR, buf,
+ FW_HCMD_BLOCK_SIZE);
+ sdio_release_host(priv->func);
+
+ kfree(buf);
+ return ret;
+}
+
+int iwmct_tx(struct iwmct_priv *priv, unsigned int addr,
+ void *src, int count)
+{
+ int ret;
+
+ sdio_claim_host(priv->func);
+ ret = sdio_memcpy_toio(priv->func, addr, src, count);
+ sdio_release_host(priv->func);
+
+ return ret;
+}
+
+static void iwmct_irq_read_worker(struct work_struct *ws)
+{
+ struct iwmct_priv *priv;
+ struct iwmct_work_struct *read_req;
+ __le32 *buf = NULL;
+ int ret;
+ int iosize;
+ u32 barker;
+ bool is_barker;
+
+ priv = container_of(ws, struct iwmct_priv, isr_worker);
+
+ LOG_INFO(priv, IRQ, "enter iwmct_irq_read_worker %p\n", ws);
+
+ /* --------------------- Handshake with device -------------------- */
+ sdio_claim_host(priv->func);
+
+ /* all list manipulations have to be protected by
+ * sdio_claim_host/sdio_release_host */
+ if (list_empty(&priv->read_req_list)) {
+ LOG_ERROR(priv, IRQ, "read_req_list empty in read worker\n");
+ goto exit_release;
+ }
+
+ read_req = list_entry(priv->read_req_list.next,
+ struct iwmct_work_struct, list);
+
+ list_del(&read_req->list);
+ iosize = read_req->iosize;
+ kfree(read_req);
+
+ buf = kzalloc(iosize, GFP_KERNEL);
+ if (!buf) {
+ LOG_ERROR(priv, IRQ, "kzalloc error, buf size %d\n", iosize);
+ goto exit_release;
+ }
+
+ LOG_INFO(priv, IRQ, "iosize=%d, buf=%p, func=%d\n",
+ iosize, buf, priv->func->num);
+
+ /* read from device */
+ ret = sdio_memcpy_fromio(priv->func, buf, IWMC_SDIO_DATA_ADDR, iosize);
+ if (ret) {
+ LOG_ERROR(priv, IRQ, "error %d reading buffer\n", ret);
+ goto exit_release;
+ }
+
+ LOG_HEXDUMP(IRQ, (u8 *)buf, iosize);
+
+ barker = le32_to_cpu(buf[0]);
+
+ /* Verify whether it's a barker and if not - treat as regular Rx */
+ if (barker == IWMC_BARKER_ACK ||
+ (barker & BARKER_DNLOAD_BARKER_MSK) == IWMC_BARKER_REBOOT) {
+
+ /* Valid Barker is equal on first 4 dwords */
+ is_barker = (buf[1] == buf[0]) &&
+ (buf[2] == buf[0]) &&
+ (buf[3] == buf[0]);
+
+ if (!is_barker) {
+ LOG_WARNING(priv, IRQ,
+ "Potentially inconsistent barker "
+ "%08X_%08X_%08X_%08X\n",
+ le32_to_cpu(buf[0]), le32_to_cpu(buf[1]),
+ le32_to_cpu(buf[2]), le32_to_cpu(buf[3]));
+ }
+ } else {
+ is_barker = false;
+ }
+
+ /* Handle Top CommHub message */
+ if (!is_barker) {
+ sdio_release_host(priv->func);
+ handle_top_message(priv, (u8 *)buf, iosize);
+ goto exit;
+ } else if (barker == IWMC_BARKER_ACK) { /* Handle barkers */
+ if (atomic_read(&priv->dev_sync) == 0) {
+ LOG_ERROR(priv, IRQ,
+ "ACK barker arrived out-of-sync\n");
+ goto exit_release;
+ }
+
+ /* Continuing to FW download (after Sync is completed)*/
+ atomic_set(&priv->dev_sync, 0);
+ LOG_INFO(priv, IRQ, "ACK barker arrived "
+ "- starting FW download\n");
+ } else { /* REBOOT barker */
+ LOG_INFO(priv, IRQ, "Recieved reboot barker: %x\n", barker);
+ priv->barker = barker;
+
+ if (barker & BARKER_DNLOAD_SYNC_MSK) {
+ /* Send the same barker back */
+ ret = sdio_memcpy_toio(priv->func, IWMC_SDIO_DATA_ADDR,
+ buf, iosize);
+ if (ret) {
+ LOG_ERROR(priv, IRQ,
+ "error %d echoing barker\n", ret);
+ goto exit_release;
+ }
+ LOG_INFO(priv, IRQ, "Echoing barker to device\n");
+ atomic_set(&priv->dev_sync, 1);
+ goto exit_release;
+ }
+
+ /* Continuing to FW download (without Sync) */
+ LOG_INFO(priv, IRQ, "No sync requested "
+ "- starting FW download\n");
+ }
+
+ sdio_release_host(priv->func);
+
+
+ LOG_INFO(priv, IRQ, "barker download request 0x%x is:\n", priv->barker);
+ LOG_INFO(priv, IRQ, "******* Top FW %s requested ********\n",
+ (priv->barker & BARKER_DNLOAD_TOP_MSK) ? "was" : "not");
+ LOG_INFO(priv, IRQ, "******* GPS FW %s requested ********\n",
+ (priv->barker & BARKER_DNLOAD_GPS_MSK) ? "was" : "not");
+ LOG_INFO(priv, IRQ, "******* BT FW %s requested ********\n",
+ (priv->barker & BARKER_DNLOAD_BT_MSK) ? "was" : "not");
+
+ if (priv->dbg.fw_download)
+ iwmct_fw_load(priv);
+ else
+ LOG_ERROR(priv, IRQ, "FW download not allowed\n");
+
+ goto exit;
+
+exit_release:
+ sdio_release_host(priv->func);
+exit:
+ kfree(buf);
+ LOG_INFO(priv, IRQ, "exit iwmct_irq_read_worker\n");
+}
+
+static void iwmct_irq(struct sdio_func *func)
+{
+ struct iwmct_priv *priv;
+ int val, ret;
+ int iosize;
+ int addr = IWMC_SDIO_INTR_GET_SIZE_ADDR;
+ struct iwmct_work_struct *read_req;
+
+ priv = sdio_get_drvdata(func);
+
+ LOG_INFO(priv, IRQ, "enter iwmct_irq\n");
+
+ /* read the function's status register */
+ val = sdio_readb(func, IWMC_SDIO_INTR_STATUS_ADDR, &ret);
+
+ LOG_INFO(priv, IRQ, "iir value = %d, ret=%d\n", val, ret);
+
+ if (!val) {
+ LOG_ERROR(priv, IRQ, "iir = 0, exiting ISR\n");
+ goto exit_clear_intr;
+ }
+
+
+ /*
+ * read 2 bytes of the transaction size
+ * IMPORTANT: sdio transaction size has to be read before clearing
+ * sdio interrupt!!!
+ */
+ val = sdio_readb(priv->func, addr++, &ret);
+ iosize = val;
+ val = sdio_readb(priv->func, addr++, &ret);
+ iosize += val << 8;
+
+ LOG_INFO(priv, IRQ, "READ size %d\n", iosize);
+
+ if (iosize == 0) {
+ LOG_ERROR(priv, IRQ, "READ size %d, exiting ISR\n", iosize);
+ goto exit_clear_intr;
+ }
+
+ /* allocate a work structure to pass iosize to the worker */
+ read_req = kzalloc(sizeof(struct iwmct_work_struct), GFP_KERNEL);
+ if (!read_req) {
+ LOG_ERROR(priv, IRQ, "failed to allocate read_req, exit ISR\n");
+ goto exit_clear_intr;
+ }
+
+ INIT_LIST_HEAD(&read_req->list);
+ read_req->iosize = iosize;
+
+ list_add_tail(&priv->read_req_list, &read_req->list);
+
+ /* clear the function's interrupt request bit (write 1 to clear) */
+ sdio_writeb(func, 1, IWMC_SDIO_INTR_CLEAR_ADDR, &ret);
+
+ queue_work(priv->wq, &priv->isr_worker);
+
+ LOG_INFO(priv, IRQ, "exit iwmct_irq\n");
+
+ return;
+
+exit_clear_intr:
+ /* clear the function's interrupt request bit (write 1 to clear) */
+ sdio_writeb(func, 1, IWMC_SDIO_INTR_CLEAR_ADDR, &ret);
+}
+
+
+static int blocks;
+module_param(blocks, int, 0604);
+MODULE_PARM_DESC(blocks, "max_blocks_to_send");
+
+static int dump;
+module_param(dump, bool, 0604);
+MODULE_PARM_DESC(dump, "dump_hex_content");
+
+static int jump = 1;
+module_param(jump, bool, 0604);
+
+static int direct = 1;
+module_param(direct, bool, 0604);
+
+static int checksum = 1;
+module_param(checksum, bool, 0604);
+
+static int fw_download = 1;
+module_param(fw_download, bool, 0604);
+
+static int block_size = IWMC_SDIO_BLK_SIZE;
+module_param(block_size, int, 0404);
+
+static int download_trans_blks = IWMC_DEFAULT_TR_BLK;
+module_param(download_trans_blks, int, 0604);
+
+static int rubbish_barker;
+module_param(rubbish_barker, bool, 0604);
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+static int log_level[LOG_SRC_MAX];
+static unsigned int log_level_argc;
+module_param_array(log_level, int, &log_level_argc, 0604);
+MODULE_PARM_DESC(log_level, "log_level");
+
+static int log_level_fw[FW_LOG_SRC_MAX];
+static unsigned int log_level_fw_argc;
+module_param_array(log_level_fw, int, &log_level_fw_argc, 0604);
+MODULE_PARM_DESC(log_level_fw, "log_level_fw");
+#endif
+
+void iwmct_dbg_init_params(struct iwmct_priv *priv)
+{
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+ int i;
+
+ for (i = 0; i < log_level_argc; i++) {
+ dev_notice(&priv->func->dev, "log_level[%d]=0x%X\n",
+ i, log_level[i]);
+ iwmct_log_set_filter((log_level[i] >> 8) & 0xFF,
+ log_level[i] & 0xFF);
+ }
+ for (i = 0; i < log_level_fw_argc; i++) {
+ dev_notice(&priv->func->dev, "log_level_fw[%d]=0x%X\n",
+ i, log_level_fw[i]);
+ iwmct_log_set_fw_filter((log_level_fw[i] >> 8) & 0xFF,
+ log_level_fw[i] & 0xFF);
+ }
+#endif
+
+ priv->dbg.blocks = blocks;
+ LOG_INFO(priv, INIT, "blocks=%d\n", blocks);
+ priv->dbg.dump = (bool)dump;
+ LOG_INFO(priv, INIT, "dump=%d\n", dump);
+ priv->dbg.jump = (bool)jump;
+ LOG_INFO(priv, INIT, "jump=%d\n", jump);
+ priv->dbg.direct = (bool)direct;
+ LOG_INFO(priv, INIT, "direct=%d\n", direct);
+ priv->dbg.checksum = (bool)checksum;
+ LOG_INFO(priv, INIT, "checksum=%d\n", checksum);
+ priv->dbg.fw_download = (bool)fw_download;
+ LOG_INFO(priv, INIT, "fw_download=%d\n", fw_download);
+ priv->dbg.block_size = block_size;
+ LOG_INFO(priv, INIT, "block_size=%d\n", block_size);
+ priv->dbg.download_trans_blks = download_trans_blks;
+ LOG_INFO(priv, INIT, "download_trans_blks=%d\n", download_trans_blks);
+}
+
+/*****************************************************************************
+ *
+ * sysfs attributes
+ *
+ *****************************************************************************/
+static ssize_t show_iwmct_fw_version(struct device *d,
+ struct device_attribute *attr, char *buf)
+{
+ struct iwmct_priv *priv = dev_get_drvdata(d);
+ return sprintf(buf, "%s\n", priv->dbg.label_fw);
+}
+static DEVICE_ATTR(cc_label_fw, S_IRUGO, show_iwmct_fw_version, NULL);
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+static DEVICE_ATTR(log_level, S_IWUSR | S_IRUGO,
+ show_iwmct_log_level, store_iwmct_log_level);
+static DEVICE_ATTR(log_level_fw, S_IWUSR | S_IRUGO,
+ show_iwmct_log_level_fw, store_iwmct_log_level_fw);
+#endif
+
+static struct attribute *iwmct_sysfs_entries[] = {
+ &dev_attr_cc_label_fw.attr,
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+ &dev_attr_log_level.attr,
+ &dev_attr_log_level_fw.attr,
+#endif
+ NULL
+};
+
+static struct attribute_group iwmct_attribute_group = {
+ .name = NULL, /* put in device directory */
+ .attrs = iwmct_sysfs_entries,
+};
+
+
+static int iwmct_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ struct iwmct_priv *priv;
+ int ret;
+ int val = 1;
+ int addr = IWMC_SDIO_INTR_ENABLE_ADDR;
+
+ dev_dbg(&func->dev, "enter iwmct_probe\n");
+
+ dev_dbg(&func->dev, "IRQ polling period id %u msecs, HZ is %d\n",
+ jiffies_to_msecs(2147483647), HZ);
+
+ priv = kzalloc(sizeof(struct iwmct_priv), GFP_KERNEL);
+ if (!priv) {
+ dev_err(&func->dev, "kzalloc error\n");
+ return -ENOMEM;
+ }
+ priv->func = func;
+ sdio_set_drvdata(func, priv);
+
+
+ /* create drivers work queue */
+ priv->wq = create_workqueue(DRV_NAME "_wq");
+ priv->bus_rescan_wq = create_workqueue(DRV_NAME "_rescan_wq");
+ INIT_WORK(&priv->bus_rescan_worker, iwmct_rescan_worker);
+ INIT_WORK(&priv->isr_worker, iwmct_irq_read_worker);
+
+ init_waitqueue_head(&priv->wait_q);
+
+ sdio_claim_host(func);
+ /* FIXME: Remove after it is fixed in the Boot ROM upgrade */
+ func->enable_timeout = 10;
+
+ /* In our HW, setting the block size also wakes up the boot rom. */
+ ret = sdio_set_block_size(func, priv->dbg.block_size);
+ if (ret) {
+ LOG_ERROR(priv, INIT,
+ "sdio_set_block_size() failure: %d\n", ret);
+ goto error_sdio_enable;
+ }
+
+ ret = sdio_enable_func(func);
+ if (ret) {
+ LOG_ERROR(priv, INIT, "sdio_enable_func() failure: %d\n", ret);
+ goto error_sdio_enable;
+ }
+
+ /* init reset and dev_sync states */
+ atomic_set(&priv->reset, 0);
+ atomic_set(&priv->dev_sync, 0);
+
+ /* init read req queue */
+ INIT_LIST_HEAD(&priv->read_req_list);
+
+ /* process configurable parameters */
+ iwmct_dbg_init_params(priv);
+ ret = sysfs_create_group(&func->dev.kobj, &iwmct_attribute_group);
+ if (ret) {
+ LOG_ERROR(priv, INIT, "Failed to register attributes and "
+ "initialize module_params\n");
+ goto error_dev_attrs;
+ }
+
+ iwmct_dbgfs_register(priv, DRV_NAME);
+
+ if (!priv->dbg.direct && priv->dbg.download_trans_blks > 8) {
+ LOG_INFO(priv, INIT,
+ "Reducing transaction to 8 blocks = 2K (from %d)\n",
+ priv->dbg.download_trans_blks);
+ priv->dbg.download_trans_blks = 8;
+ }
+ priv->trans_len = priv->dbg.download_trans_blks * priv->dbg.block_size;
+ LOG_INFO(priv, INIT, "Transaction length = %d\n", priv->trans_len);
+
+ ret = sdio_claim_irq(func, iwmct_irq);
+ if (ret) {
+ LOG_ERROR(priv, INIT, "sdio_claim_irq() failure: %d\n", ret);
+ goto error_claim_irq;
+ }
+
+
+ /* Enable function's interrupt */
+ sdio_writeb(priv->func, val, addr, &ret);
+ if (ret) {
+ LOG_ERROR(priv, INIT, "Failure writing to "
+ "Interrupt Enable Register (%d): %d\n", addr, ret);
+ goto error_enable_int;
+ }
+
+ sdio_release_host(func);
+
+ LOG_INFO(priv, INIT, "exit iwmct_probe\n");
+
+ return ret;
+
+error_enable_int:
+ sdio_release_irq(func);
+error_claim_irq:
+ sdio_disable_func(func);
+error_dev_attrs:
+ iwmct_dbgfs_unregister(priv->dbgfs);
+ sysfs_remove_group(&func->dev.kobj, &iwmct_attribute_group);
+error_sdio_enable:
+ sdio_release_host(func);
+ return ret;
+}
+
+static void iwmct_remove(struct sdio_func *func)
+{
+ struct iwmct_work_struct *read_req;
+ struct iwmct_priv *priv = sdio_get_drvdata(func);
+
+ priv = sdio_get_drvdata(func);
+
+ LOG_INFO(priv, INIT, "enter\n");
+
+ sdio_claim_host(func);
+ sdio_release_irq(func);
+ sdio_release_host(func);
+
+ /* Safely destroy osc workqueue */
+ destroy_workqueue(priv->bus_rescan_wq);
+ destroy_workqueue(priv->wq);
+
+ sdio_claim_host(func);
+ sdio_disable_func(func);
+ sysfs_remove_group(&func->dev.kobj, &iwmct_attribute_group);
+ iwmct_dbgfs_unregister(priv->dbgfs);
+ sdio_release_host(func);
+
+ /* free read requests */
+ while (!list_empty(&priv->read_req_list)) {
+ read_req = list_entry(priv->read_req_list.next,
+ struct iwmct_work_struct, list);
+
+ list_del(&read_req->list);
+ kfree(read_req);
+ }
+
+ kfree(priv);
+}
+
+
+static const struct sdio_device_id iwmct_ids[] = {
+ { SDIO_DEVICE(SDIO_INTEL_VENDOR_ID, SDIO_DEVICE_ID_INTEL_IWMC3200TOP)},
+ { /* end: all zeroes */ },
+};
+
+MODULE_DEVICE_TABLE(sdio, iwmct_ids);
+
+static struct sdio_driver iwmct_driver = {
+ .probe = iwmct_probe,
+ .remove = iwmct_remove,
+ .name = DRV_NAME,
+ .id_table = iwmct_ids,
+};
+
+static int __init iwmct_init(void)
+{
+ int rc;
+
+ /* Default log filter settings */
+ iwmct_log_set_filter(LOG_SRC_ALL, LOG_SEV_FILTER_RUNTIME);
+ iwmct_log_set_filter(LOG_SRC_FW_MSG, LOG_SEV_FILTER_ALL);
+ iwmct_log_set_fw_filter(LOG_SRC_ALL, FW_LOG_SEV_FILTER_RUNTIME);
+
+ rc = sdio_register_driver(&iwmct_driver);
+
+ return rc;
+}
+
+static void __exit iwmct_exit(void)
+{
+ sdio_unregister_driver(&iwmct_driver);
+}
+
+module_init(iwmct_init);
+module_exit(iwmct_exit);
+