Return-path: Received: from mail.redpinesignals.com ([203.196.161.92]:23938 "EHLO mail.redpinesignals.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753271AbaA3QB1 (ORCPT ); Thu, 30 Jan 2014 11:01:27 -0500 Message-ID: <52EA75F4.60701@redpinesignals.com> (sfid-20140130_170133_653354_94640ABB) Date: Thu, 30 Jan 2014 21:25:32 +0530 From: Jahnavi MIME-Version: 1.0 To: linux-wireless@vger.kernel.org Subject: [PATCH 3.13.1 6/9] rsi: Initialization and SDbus related files Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Jahnavi Meher This patch has the loading of firmware, SDbus related functions and the module initialization related functions. Signed-off-by: Jahnavi Meher --- Makefile | 9 rsi_91x_dev_ops.c | 661 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ rsi_91x_main.c | 94 +++++++ 3 files changed, 764 insertions(+) diff -uprN a/drivers/net/wireless/rsi/91x/Makefile b/drivers/net/wireless/rsi/91x/Makefile --- a/drivers/net/wireless/rsi/91x/Makefile 1970-01-01 05:30:00.000000000 +0530 +++ b/drivers/net/wireless/rsi/91x/Makefile 2014-01-30 16:25:13.800523737 +0530 @@ -0,0 +1,9 @@ +ifeq ($(CONFIG_RSI_USB), y) + ccflags-y =-DUSE_USB_INTF +else + ccflags-y =-DUSE_SDIO_INTF +endif +ccflags-y += -Iinclude/ +rsi_91x-y := rsi_91x_mac80211.o rsi_91x_mgmt.o rsi_91x_pkt.o \ + rsi_91x_dev_ops.o rsi_91x_main.o +obj-$(CONFIG_RSI_91x) := rsi_91x.o diff -uprN a/drivers/net/wireless/rsi/91x/rsi_91x_dev_ops.c b/drivers/net/wireless/rsi/91x/rsi_91x_dev_ops.c --- a/drivers/net/wireless/rsi/91x/rsi_91x_dev_ops.c 1970-01-01 05:30:00.000000000 +0530 +++ b/drivers/net/wireless/rsi/91x/rsi_91x_dev_ops.c 2014-01-30 16:25:13.803524118 +0530 @@ -0,0 +1,661 @@ +/** + * @file rsi_91x_dev_ops.c + * @author + * @version 1.0 + * + * @section LICENSE + * Copyright (c) 2013 Redpine Signals Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * @section DESCRIPTION + * + * The file contains the initialization part of the SDBus driver and Loading of + * the TA firmware. + */ + +#include +#include "../include/rsi_main.h" +#include "../include/rsi_hw_intf.h" +#include "../include/rsi_device_ops.h" + +static struct ta_metadata { + unsigned char *name; + unsigned int address; +} metadata[] = { + {"rsi_91x.fw", 0x00000000}, +}; + +/** + * This function prepares the skb. + * + * @param common Pointer to the driver private structure. + * @param buffer Pointer to the packet data. + * @param pkt_len Length of the packet. + * @param extended_desc Extended descriptor. + * @return Successfully created netbuf control block. + */ +static struct sk_buff *rsi_prepare_skb(struct rsi_common *common, + unsigned char *buffer, + unsigned int pkt_len, + unsigned char extended_desc) +{ + struct ieee80211_tx_info *info; + struct skb_info *rx_params; + struct sk_buff *skb = NULL; + unsigned char payload_offset; + + if (!pkt_len) { + rsi_dbg(ERR_ZONE, "%s: Dummy pkt has come in\n", __func__); + return NULL; + } + + if (pkt_len > (RSI_RCV_BUFFER_LEN * 4)) { + rsi_dbg(ERR_ZONE, "%s: Toooo big packet %d\n", __func__, + pkt_len); + pkt_len = RSI_RCV_BUFFER_LEN * 4; + } + + if ((pkt_len < RSI_HEADER_SIZE) || (pkt_len < MIN_802_11_HDR_LEN)) { + rsi_dbg(ERR_ZONE, "%s: Too small packet %d\n", __func__, + pkt_len); + } + + pkt_len -= extended_desc; + skb = dev_alloc_skb(pkt_len + FRAME_DESC_SZ); + if (skb == NULL) + return NULL; + + payload_offset = (extended_desc + FRAME_DESC_SZ); + skb_put(skb, pkt_len); + memcpy((skb->data), (buffer + payload_offset), skb->len); + + info = IEEE80211_SKB_CB(skb); + rx_params = (struct skb_info *)info->driver_data; + rx_params->rssi = rsi_get_rssi(buffer); + rx_params->channel = rsi_get_connected_channel(common->priv); + + return skb; +} + +/** + * This function read frames from the SD card. + * + * @param common Pointer to the driver private structure. + * @return 0 on success, -1 on failure. + */ +static int rsi_read_pkt(struct rsi_common *common) +{ +#ifdef USE_SDIO_INTF + struct rsi_hw *adapter = common->priv; + struct rsi_common_ops *common_ops = common->common_ops; + unsigned char num_blks = 0; + unsigned int rcv_pkt_len = 0; + int status = 0; +#endif + unsigned char *frame_desc = NULL; + unsigned int index, length = 0; + unsigned short actual_length = 0, offset; + struct sk_buff *skb = NULL; + unsigned int queueno; + unsigned char extended_desc; + +#ifdef USE_SDIO_INTF + status = common_ops->read_register(adapter, + SDIO_RX_NUM_BLOCKS_REG, + &num_blks); + + if (status) { + rsi_dbg(ERR_ZONE, + "%s: Failed to read pkt length from the card:\n", + __func__); + return status; + } + rcv_pkt_len = (num_blks * 256); + + common->rx_data_pkt = kmalloc(rcv_pkt_len, GFP_KERNEL); + if (!common->rx_data_pkt) { + rsi_dbg(ERR_ZONE, "%s: Failed in memory allocation\n", + __func__); + return -1; + } + + status = common_ops->host_intf_read_pkt(adapter, + common->rx_data_pkt, + rcv_pkt_len); + if (status) { + rsi_dbg(ERR_ZONE, "%s: Failed to read packet from card\n", + __func__); + goto fail; + } +#endif + index = 0; + do { + frame_desc = &common->rx_data_pkt[index]; + actual_length = *(unsigned short *)&frame_desc[0]; + offset = *(unsigned short *)&frame_desc[2]; + + queueno = rsi_get_queueno(frame_desc, offset); + length = rsi_get_length(frame_desc, offset); + extended_desc = rsi_get_extended_desc(frame_desc, offset); + + switch (queueno) { + case RSI_WIFI_DATA_Q: + skb = rsi_prepare_skb(common, + (frame_desc + offset), + length, + extended_desc); + if (skb == NULL) + goto fail; + + rsi_indicate_pkt_to_os(common, skb); + break; + + case RSI_WIFI_MGMT_Q: + rsi_mgmt_pkt_recv(common, (frame_desc + offset)); + break; + + default: + rsi_dbg(ERR_ZONE, "%s: pkt from invalid queue: %d\n", + __func__, queueno); + common->common_ops->print(ERR_ZONE, + common->rx_data_pkt, + 200); + goto fail; + } + + index += actual_length; +#ifdef USE_USB_INTF + } while (0); +#else + rcv_pkt_len -= actual_length; + } while (rcv_pkt_len); + kfree(common->rx_data_pkt); +#endif + return 0; +fail: + kfree(common->rx_data_pkt); + return -1; +} + + +#ifdef USE_SDIO_INTF +/** + * This function read and process the SDIO interrupts. + * + * @param common Pointer to the driver private structure. + * @return None. + */ +void rsi_interrupt_handler(struct rsi_common *common) +{ + int status; + enum SDIO_INTERRUPT_TYPE isr_type; + unsigned char isr_status = 0; + unsigned char fw_status = 0; + struct rsi_common_ops *common_ops = common->common_ops; + + common->rx_info.sdio_int_counter++; + + do { + mutex_lock(&common->tx_rxlock); + status = common_ops->read_register(common->priv, + RSI_FN1_INT_REGISTER, + &isr_status); + if (status) { + rsi_dbg(ERR_ZONE, + "%s: Failed to Read Intr Status Register\n", + __func__); + mutex_unlock(&common->tx_rxlock); + return; + } + + if (isr_status == 0) { + common_ops->set_event(&common->tx_event); + common->rx_info.sdio_intr_status_zero++; + mutex_unlock(&common->tx_rxlock); + return; + } + + rsi_dbg(ISR_ZONE, "%s: Intr_status = %x %d %d\n", + __func__, isr_status, (1 << MSDU_PKT_PENDING), + (1 << FW_ASSERT_IND)); + + do { + RSI_GET_SDIO_INTERRUPT_TYPE(isr_status, isr_type); + + switch (isr_type) { + case BUFFER_AVAILABLE: + common->rx_info.watch_bufferfull_count = 0; + common->rx_info.buffer_full = false; + common->rx_info.mgmt_buffer_full = false; + common_ops->ack_interrupt(common->priv, + (1 << PKT_BUFF_AVAILABLE)); + common_ops->set_event((&common->tx_event)); + rsi_dbg(ISR_ZONE, + "%s: ==> BUFFER_AVILABLE <==\n", + __func__); + common->rx_info.buf_avilable_counter++; + break; + + case FIRMWARE_ASSERT_IND: + rsi_dbg(ERR_ZONE, + "%s: ==> FIRMWARE Assert <==\n", + __func__); + status = common_ops->read_register(common->priv, + SDIO_FW_STATUS_REG, + &fw_status); + if (status) { + rsi_dbg(ERR_ZONE, + "%s: Failed to read f/w reg\n", + __func__); + } else { + rsi_dbg(ERR_ZONE, + "%s: Firmware Status is 0x%x\n", + __func__ , fw_status); + common_ops->ack_interrupt(common->priv, + (1 << FW_ASSERT_IND)); + } + + common->fsm_state = FSM_CARD_NOT_READY; + break; + + case MSDU_PACKET_PENDING: + rsi_dbg(ISR_ZONE, "Pkt pending interrupt\n"); + common->rx_info.total_sdio_msdu_pending_intr++; + + status = rsi_read_pkt(common); + if (status) { + rsi_dbg(ERR_ZONE, + "%s: Failed to read pkt\n", + __func__); + mutex_unlock(&common->tx_rxlock); + return; + } + break; + default: + common_ops->ack_interrupt(common->priv, + isr_status); + common->rx_info.total_sdio_unknown_intr++; + isr_status = 0; + rsi_dbg(ISR_ZONE, + "Unknown Interrupt %x\n", + isr_status); + break; + } + isr_status ^= BIT(isr_type - 1); + } while (isr_status); + mutex_unlock(&common->tx_rxlock); + } while (1); + return; +} +EXPORT_SYMBOL(rsi_interrupt_handler); +#endif + + +#ifdef USE_SDIO_INTF +/** + * This function sets the AHB master access MS word in the SDIO slave registers. + * + * @param adapter Pointer to the adapter structure. + * @param ms_word ms word need to be initialized. + * @return status: 0 on success, -1 on failure. + */ +static int rsi_sdio_master_access_msword(struct rsi_hw *adapter, + unsigned short ms_word) +{ + struct rsi_common *common = adapter->priv; + struct rsi_common_ops *common_ops = common->common_ops; + unsigned char byte; + unsigned char reg_dmn = 0; + int status = 0; + + byte = (unsigned char)(ms_word & 0x00FF); + + rsi_dbg(INIT_ZONE, + "%s: MASTER_ACCESS_MSBYTE:0x%x\n", __func__, byte); + + status = common_ops->write_register(adapter, + reg_dmn, + SDIO_MASTER_ACCESS_MSBYTE, + &byte); + if (status) { + rsi_dbg(ERR_ZONE, + "%s: fail to access MASTER_ACCESS_MSBYTE\n", + __func__); + return -1; + } + + byte = (unsigned char)(ms_word >> 8); + + rsi_dbg(INIT_ZONE, "%s:MASTER_ACCESS_LSBYTE:0x%x\n", __func__, byte); + status = common_ops->write_register(adapter, + reg_dmn, + SDIO_MASTER_ACCESS_LSBYTE, + &byte); + return status; +} +#endif + +/** + * This function includes the actual funtionality of copying the TA firmware to the card. + * Basically this function includes opening the TA file,reading the TA file and + * writing their values in blocks of data. + * + * @param common Pointer to the driver private structure. + * @param fw Pointer to the firmware value to be written. + * @param len length of firmware file. + * @param num_blocks Number of blocks to be written to the card. + * @return 0 on success and -1 on failure. + */ +static int rsi_copy_to_card(struct rsi_common *common, + const unsigned char *fw, + unsigned int len, + unsigned int num_blocks) +{ + struct rsi_hw *adapter = common->priv; + unsigned int indx, ii; + unsigned int block_size = adapter->tx_blk_size; + struct rsi_common_ops *common_ops = common->common_ops; + unsigned int lsb_address; +#ifdef USE_SDIO_INTF + unsigned int data[] = { TA_HOLD_THREAD_VALUE, TA_SOFT_RST_CLR, + TA_PC_ZERO, TA_RELEASE_THREAD_VALUE }; + unsigned int address[] = { TA_HOLD_THREAD_REG, TA_SOFT_RESET_REG, + TA_TH0_PC_REG, TA_RELEASE_THREAD_REG }; +#endif + unsigned int base_address; + unsigned short msb_address; + + base_address = metadata[0].address; + msb_address = base_address >> 16; + + for (indx = 0, ii = 0; ii < num_blocks; ii++, indx += block_size) { + lsb_address = base_address; +#ifdef USE_SDIO_INTF + lsb_address = ((unsigned short) base_address | + RSI_SD_REQUEST_MASTER); +#endif + if (common_ops->load_firmware(adapter, + lsb_address, + (unsigned char *)(fw + indx), + block_size)) { + rsi_dbg(ERR_ZONE, + "%s: Unable to load %s blk\n", __func__, + metadata[0].name); + return -1; + } + rsi_dbg(INIT_ZONE, "%s: loading %s block: %d\n", + __func__, metadata[0].name, ii); + base_address += block_size; +#ifdef USE_SDIO_INTF + if ((base_address >> 16) != msb_address) { + msb_address += 1; + if (rsi_sdio_master_access_msword(adapter, + msb_address)) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word reg\n", + __func__); + return -1; + } + } +#endif + } + + if (len % block_size) { + lsb_address = base_address; +#ifdef USE_SDIO_INTF + lsb_address |= ((unsigned short) base_address | + RSI_SD_REQUEST_MASTER); +#endif + if (common_ops->load_firmware(adapter, + lsb_address, + (unsigned char *)(fw + indx), + len % block_size)) { + rsi_dbg(ERR_ZONE, + "%s: Unable to load %s blk\n", __func__, + metadata[0].name); + return -1; + } + } + rsi_dbg(INIT_ZONE, + "%s: Succesfully loaded %s instructions\n", __func__, + metadata[0].name); + +#ifdef USE_SDIO_INTF + + if (rsi_sdio_master_access_msword(adapter, 0x2200)) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word to common reg\n", + __func__); + return -1; + } + + for (ii = 0; ii < ARRAY_SIZE(data); ii++) { + /* Bringing TA out of reset */ + if (common_ops->write_reg_multiple(adapter, + (address[ii] | + RSI_SD_REQUEST_MASTER), + (unsigned char *)&data[ii], + 4)) { + rsi_dbg(ERR_ZONE, + "%s: Unable to hold TA threads\n", __func__); + return -1; + } + } +#endif + rsi_dbg(INIT_ZONE, "%s: loaded firmware\n", __func__); + return 0; +} + +/** + * This function reads the firmware version from the firmware file. + * + * @param fw Pointer to the firmware data. + * @param fw_ver Pointer to firmware version_info structure. + * @return None + */ +static void rsi_fill_fw_ver(const unsigned char *fw, + struct version_info *fw_ver) +{ + fw_ver->major = (fw[LMAC_VER_OFFSET] & 0xFF); + fw_ver->minor = (fw[LMAC_VER_OFFSET + 1] & 0xFF); + fw_ver->release_num = (fw[LMAC_VER_OFFSET + 2] & 0xFF); + fw_ver->patch_num = (fw[LMAC_VER_OFFSET + 3] & 0xFF); + fw_ver->info.fw_ver[0] = (fw[LMAC_VER_OFFSET + 4] & 0xFF); + return; +} + +/** + * This function includes the actual funtionality of loading the TA firmware. + * This function also includes opening the TA file,reading the TA file and + * writing their values in blocks of data. + * + * @param common Pointer to the driver private structure. + * @param fw_status Firmware status. + * @return status: 0 on success, -1 on failure. + */ +static int rsi_load_ta_instructions(struct rsi_common *common, + unsigned short fw_status) +{ + struct rsi_hw *adapter = common->priv; + struct version_info *fw_ver = &common->fw_ver; + unsigned int len; + unsigned int num_blocks; + const unsigned char *fw; + const struct firmware *fw_entry = NULL; + unsigned int block_size = adapter->tx_blk_size; + int status = 0; + +#ifdef USE_SDIO_INTF + unsigned int base_address; + unsigned short msb_address; + + if (rsi_sdio_master_access_msword(adapter, 0x2200)) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word to common reg\n", + __func__); + return -1; + } + base_address = metadata[0].address; + msb_address = (base_address >> 16); + + if (rsi_sdio_master_access_msword(adapter, msb_address)) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word reg\n", __func__); + return -1; + } +#endif + + status = request_firmware(&fw_entry, metadata[0].name, adapter->device); + if (status < 0) { + rsi_dbg(ERR_ZONE, "%s Firmware file %s not found\n", + __func__, metadata[0].name); + return status; + } + + fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); + len = fw_entry->size; + +#ifdef USE_USB_INTF + if (fw_status) { +#endif + rsi_fill_fw_ver(fw, fw_ver); +#ifdef USE_USB_INTF + return 0; + } +#endif + + if (len % 4) + len += (4 - (len % 4)); + + num_blocks = (len / block_size); + + rsi_dbg(INIT_ZONE, "%s: Instruction size:%d\n", __func__, len); + rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks); + + status = rsi_copy_to_card(common, fw, len, num_blocks); + release_firmware(fw_entry); + return status; +} + +/** + * This function is a kernel thread to send the packets to the device. + * + * @param common Pointer to the driver private structure. + * @return None. + */ +void rsi_tx_scheduler_thread(struct rsi_common *common) +{ + struct rsi_common_ops *common_ops = common->common_ops; + + do { + if (common->rx_info.buffer_full) { + common_ops->wait_queue_event(&common->tx_event, 2); + rsi_dbg(INFO_ZONE, + "%s: Event wait for 2ms\n", __func__); + } else { + common_ops->wait_queue_event(&common->tx_event, + EVENT_WAIT_FOREVER); + } + common_ops->reset_event(&common->tx_event); + + if (common->init_done) + common_ops->qos_processor(common); + } while (atomic_read(&common->tx_thread_done) == 0); + complete_and_exit(&common->tx_thread.completion, 0); +} +EXPORT_SYMBOL(rsi_tx_scheduler_thread); + +#ifdef USE_USB_INTF +/** + * This is a kernel thread to receive the packets from the USB device. + * + * @param common Pointer to the driver private structure. + * @return None. + */ +void rsi_usb_rx_thread(struct rsi_common *common) +{ + struct rsi_common_ops *common_ops = common->common_ops; + struct rsi_hw *adapter = common->priv; + + while (1) { + common_ops->wait_queue_event(&common->rx_event, + EVENT_WAIT_FOREVER); + + if (atomic_read(&common->rx_thread_done)) + goto out; + + mutex_lock(&common->tx_rxlock); + if (rsi_read_pkt(common)) { + rsi_dbg(ERR_ZONE, "%s: Failed to read pkt\n", __func__); + mutex_unlock(&common->tx_rxlock); + goto out; + } + mutex_unlock(&common->tx_rxlock); + common_ops->reset_event(&common->rx_event); + if (common_ops->rx_urb_submit(adapter)) { + rsi_dbg(ERR_ZONE, + "%s: Failed in urb submission\n", __func__); + goto out; + } + } + +out: + rsi_dbg(INFO_ZONE, "%s: Terminated thread\n", __func__); + atomic_inc(&common->rx_thread_done); + complete_and_exit(&common->rx_thread.completion, 0); + return; +} +EXPORT_SYMBOL(rsi_usb_rx_thread); +#endif + +/** + * This Function Initializes The HAL. + * + * @param common Pointer to the driver private structure. + * @param fw_status Firmware status. + * @return 0 on success, -1 on failure. + */ +int rsi_device_init(struct rsi_common *common, unsigned short fw_status) +{ + rsi_set_default_parameters(common); + + if (rsi_load_ta_instructions(common, fw_status)) + return -1; + +#ifdef USE_SDIO_INTF + if (rsi_sdio_master_access_msword(common->priv, 0x4105)) { + rsi_dbg(ERR_ZONE, "%s: Unable to set ms word reg\n", + __func__); + return -1; + } + rsi_dbg(INIT_ZONE, + "%s: Setting ms word to 0x41050000\n", __func__); +#endif + + return 0; +} +EXPORT_SYMBOL(rsi_device_init); + +/** + * This Function de-initializes The HAL. + * + * @param adapter Pointer to the adapter structure. + * @return 0 on success. + */ +int rsi_device_deinit(struct rsi_hw *adapter) +{ + rsi_mac80211_detach(adapter); + return 0; +} +EXPORT_SYMBOL(rsi_device_deinit); diff -uprN a/drivers/net/wireless/rsi/91x/rsi_91x_main.c b/drivers/net/wireless/rsi/91x/rsi_91x_main.c --- a/drivers/net/wireless/rsi/91x/rsi_91x_main.c 1970-01-01 05:30:00.000000000 +0530 +++ b/drivers/net/wireless/rsi/91x/rsi_91x_main.c 2014-01-30 16:25:13.984547126 +0530 @@ -0,0 +1,94 @@ +/** + * @file rsi_91x_main.c + * @author + * @version 1.0 + * + * @section LICENSE + * Copyright (c) 2013 Redpine Signals Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * @section DESCRIPTION + * + * This file contians the code specific to file operations like creation, open, + * reading/ writing to the files + */ + +#include +#include +#include "../include/rsi_main.h" +#include "../include/rsi_device_ops.h" + +unsigned int rsi_zone_enabled = /*INFO_ZONE | + INIT_ZONE | + MGMT_TX_ZONE | + MGMT_RX_ZONE | + DATA_TX_ZONE | + DATA_RX_ZONE | + FSM_ZONE | + ISR_ZONE | */ + ERR_ZONE | + 0; +EXPORT_SYMBOL(rsi_zone_enabled); + +/** + * This function reads parameters of module connected. + * + * @param common Pointer to the driver private structure. + * @return 0 on success, -1 on failure. + */ +int rsi_set_default_parameters(struct rsi_common *common) +{ + common->rftype = RSI_RF_8111; + common->band = IEEE80211_BAND_2GHZ; + common->channel_width = BW_20MHZ; + common->rts_threshold = MAX_RTS_THRESHOLD; + common->channel = 1; + common->min_rate = 0xffff; + common->fsm_state = FSM_CARD_NOT_READY; + return 0; +} + +/** + * This function is invoked when the module is loaded into the kernel. + * It registers the client driver. + * + * @param Void. + * @return 0 on success, -1 on failure. + */ +static int rsi_91x_hal_module_init(void) +{ + rsi_dbg(INIT_ZONE, "%s: Module init called\n", __func__); + return 0; +} + +/** + * This function is called at the time of removing/unloading the module. + * It unregisters the client driver. + * + * @param Void. + * @return None. + */ +static void rsi_91x_hal_module_exit(void) +{ + rsi_dbg(INIT_ZONE, "%s: Module exit called\n", __func__); + return; +} + +module_init(rsi_91x_hal_module_init); +module_exit(rsi_91x_hal_module_exit); +MODULE_AUTHOR("Redpine Signals Inc"); +MODULE_DESCRIPTION("Station driver for RSI 91x driver"); +MODULE_SUPPORTED_DEVICE("RSI-91x"); +MODULE_VERSION("0.1"); +MODULE_LICENSE("GPL");