In preparation to split wl12xx to wl1251 and wl1271.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
wl12xx-objs = main.o spi.o event.o wl1251_tx.o rx.o \
- ps.o cmd.o acx.o boot.o init.o wl1251.o \
+ ps.o cmd.o acx.o boot.o init.o wl1251_ops.o \
debugfs.o
obj-$(CONFIG_WL12XX) += wl12xx.o
#include "wl12xx.h"
#include "wl12xx_80211.h"
#include "reg.h"
-#include "wl1251.h"
+#include "wl1251_ops.h"
#include "spi.h"
#include "event.h"
#include "wl1251_tx.h"
+++ /dev/null
-/*
- * This file is part of wl12xx
- *
- * Copyright (C) 2008-2009 Nokia Corporation
- *
- * Contact: Kalle Valo <kalle.valo@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/kernel.h>
-#include <linux/module.h>
-
-#include "wl1251.h"
-#include "reg.h"
-#include "spi.h"
-#include "boot.h"
-#include "event.h"
-#include "acx.h"
-#include "wl1251_tx.h"
-#include "rx.h"
-#include "ps.h"
-#include "init.h"
-
-static struct wl12xx_partition_set wl1251_part_table[PART_TABLE_LEN] = {
- [PART_DOWN] = {
- .mem = {
- .start = 0x00000000,
- .size = 0x00016800
- },
- .reg = {
- .start = REGISTERS_BASE,
- .size = REGISTERS_DOWN_SIZE
- },
- },
-
- [PART_WORK] = {
- .mem = {
- .start = 0x00028000,
- .size = 0x00014000
- },
- .reg = {
- .start = REGISTERS_BASE,
- .size = REGISTERS_WORK_SIZE
- },
- },
-
- /* WL1251 doesn't use the DRPW partition, so we don't set it here */
-};
-
-static enum wl12xx_acx_int_reg wl1251_acx_reg_table[ACX_REG_TABLE_LEN] = {
- [ACX_REG_INTERRUPT_TRIG] = (REGISTERS_BASE + 0x0474),
- [ACX_REG_INTERRUPT_TRIG_H] = (REGISTERS_BASE + 0x0478),
- [ACX_REG_INTERRUPT_MASK] = (REGISTERS_BASE + 0x0494),
- [ACX_REG_HINT_MASK_SET] = (REGISTERS_BASE + 0x0498),
- [ACX_REG_HINT_MASK_CLR] = (REGISTERS_BASE + 0x049C),
- [ACX_REG_INTERRUPT_NO_CLEAR] = (REGISTERS_BASE + 0x04B0),
- [ACX_REG_INTERRUPT_CLEAR] = (REGISTERS_BASE + 0x04A4),
- [ACX_REG_INTERRUPT_ACK] = (REGISTERS_BASE + 0x04A8),
- [ACX_REG_SLV_SOFT_RESET] = (REGISTERS_BASE + 0x0000),
- [ACX_REG_EE_START] = (REGISTERS_BASE + 0x080C),
- [ACX_REG_ECPU_CONTROL] = (REGISTERS_BASE + 0x0804)
-};
-
-static int wl1251_upload_firmware(struct wl12xx *wl)
-{
- struct wl12xx_partition_set *p_table = wl->chip.p_table;
- int addr, chunk_num, partition_limit;
- size_t fw_data_len;
- u8 *p;
-
- /* whal_FwCtrl_LoadFwImageSm() */
-
- wl12xx_debug(DEBUG_BOOT, "chip id before fw upload: 0x%x",
- wl12xx_reg_read32(wl, CHIP_ID_B));
-
- /* 10.0 check firmware length and set partition */
- fw_data_len = (wl->fw[4] << 24) | (wl->fw[5] << 16) |
- (wl->fw[6] << 8) | (wl->fw[7]);
-
- wl12xx_debug(DEBUG_BOOT, "fw_data_len %zu chunk_size %d", fw_data_len,
- CHUNK_SIZE);
-
- if ((fw_data_len % 4) != 0) {
- wl12xx_error("firmware length not multiple of four");
- return -EIO;
- }
-
- wl12xx_set_partition(wl,
- p_table[PART_DOWN].mem.start,
- p_table[PART_DOWN].mem.size,
- p_table[PART_DOWN].reg.start,
- p_table[PART_DOWN].reg.size);
-
- /* 10.1 set partition limit and chunk num */
- chunk_num = 0;
- partition_limit = p_table[PART_DOWN].mem.size;
-
- while (chunk_num < fw_data_len / CHUNK_SIZE) {
- /* 10.2 update partition, if needed */
- addr = p_table[PART_DOWN].mem.start +
- (chunk_num + 2) * CHUNK_SIZE;
- if (addr > partition_limit) {
- addr = p_table[PART_DOWN].mem.start +
- chunk_num * CHUNK_SIZE;
- partition_limit = chunk_num * CHUNK_SIZE +
- p_table[PART_DOWN].mem.size;
- wl12xx_set_partition(wl,
- addr,
- p_table[PART_DOWN].mem.size,
- p_table[PART_DOWN].reg.start,
- p_table[PART_DOWN].reg.size);
- }
-
- /* 10.3 upload the chunk */
- addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE;
- p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
- wl12xx_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
- p, addr);
- wl12xx_spi_mem_write(wl, addr, p, CHUNK_SIZE);
-
- chunk_num++;
- }
-
- /* 10.4 upload the last chunk */
- addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE;
- p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
- wl12xx_debug(DEBUG_BOOT, "uploading fw last chunk (%zu B) 0x%p to 0x%x",
- fw_data_len % CHUNK_SIZE, p, addr);
- wl12xx_spi_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE);
-
- return 0;
-}
-
-static int wl1251_upload_nvs(struct wl12xx *wl)
-{
- size_t nvs_len, nvs_bytes_written, burst_len;
- int nvs_start, i;
- u32 dest_addr, val;
- u8 *nvs_ptr, *nvs;
-
- nvs = wl->nvs;
- if (nvs == NULL)
- return -ENODEV;
-
- nvs_ptr = nvs;
-
- nvs_len = wl->nvs_len;
- nvs_start = wl->fw_len;
-
- /*
- * Layout before the actual NVS tables:
- * 1 byte : burst length.
- * 2 bytes: destination address.
- * n bytes: data to burst copy.
- *
- * This is ended by a 0 length, then the NVS tables.
- */
-
- while (nvs_ptr[0]) {
- burst_len = nvs_ptr[0];
- dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8));
-
- /* We move our pointer to the data */
- nvs_ptr += 3;
-
- for (i = 0; i < burst_len; i++) {
- val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
- | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
-
- wl12xx_debug(DEBUG_BOOT,
- "nvs burst write 0x%x: 0x%x",
- dest_addr, val);
- wl12xx_mem_write32(wl, dest_addr, val);
-
- nvs_ptr += 4;
- dest_addr += 4;
- }
- }
-
- /*
- * We've reached the first zero length, the first NVS table
- * is 7 bytes further.
- */
- nvs_ptr += 7;
- nvs_len -= nvs_ptr - nvs;
- nvs_len = ALIGN(nvs_len, 4);
-
- /* Now we must set the partition correctly */
- wl12xx_set_partition(wl, nvs_start,
- wl->chip.p_table[PART_DOWN].mem.size,
- wl->chip.p_table[PART_DOWN].reg.start,
- wl->chip.p_table[PART_DOWN].reg.size);
-
- /* And finally we upload the NVS tables */
- nvs_bytes_written = 0;
- while (nvs_bytes_written < nvs_len) {
- val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
- | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
-
- val = cpu_to_le32(val);
-
- wl12xx_debug(DEBUG_BOOT,
- "nvs write table 0x%x: 0x%x",
- nvs_start, val);
- wl12xx_mem_write32(wl, nvs_start, val);
-
- nvs_ptr += 4;
- nvs_bytes_written += 4;
- nvs_start += 4;
- }
-
- return 0;
-}
-
-static int wl1251_boot(struct wl12xx *wl)
-{
- int ret = 0, minor_minor_e2_ver;
- u32 tmp, boot_data;
-
- ret = wl12xx_boot_soft_reset(wl);
- if (ret < 0)
- goto out;
-
- /* 2. start processing NVS file */
- ret = wl->chip.op_upload_nvs(wl);
- if (ret < 0)
- goto out;
-
- /* write firmware's last address (ie. it's length) to
- * ACX_EEPROMLESS_IND_REG */
- wl12xx_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len);
-
- /* 6. read the EEPROM parameters */
- tmp = wl12xx_reg_read32(wl, SCR_PAD2);
-
- /* 7. read bootdata */
- wl->boot_attr.radio_type = (tmp & 0x0000FF00) >> 8;
- wl->boot_attr.major = (tmp & 0x00FF0000) >> 16;
- tmp = wl12xx_reg_read32(wl, SCR_PAD3);
-
- /* 8. check bootdata and call restart sequence */
- wl->boot_attr.minor = (tmp & 0x00FF0000) >> 16;
- minor_minor_e2_ver = (tmp & 0xFF000000) >> 24;
-
- wl12xx_debug(DEBUG_BOOT, "radioType 0x%x majorE2Ver 0x%x "
- "minorE2Ver 0x%x minor_minor_e2_ver 0x%x",
- wl->boot_attr.radio_type, wl->boot_attr.major,
- wl->boot_attr.minor, minor_minor_e2_ver);
-
- ret = wl12xx_boot_init_seq(wl);
- if (ret < 0)
- goto out;
-
- /* 9. NVS processing done */
- boot_data = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL);
-
- wl12xx_debug(DEBUG_BOOT, "halt boot_data 0x%x", boot_data);
-
- /* 10. check that ECPU_CONTROL_HALT bits are set in
- * pWhalBus->uBootData and start uploading firmware
- */
- if ((boot_data & ECPU_CONTROL_HALT) == 0) {
- wl12xx_error("boot failed, ECPU_CONTROL_HALT not set");
- ret = -EIO;
- goto out;
- }
-
- ret = wl->chip.op_upload_fw(wl);
- if (ret < 0)
- goto out;
-
- /* 10.5 start firmware */
- ret = wl12xx_boot_run_firmware(wl);
- if (ret < 0)
- goto out;
-
-out:
- return ret;
-}
-
-static int wl1251_mem_cfg(struct wl12xx *wl)
-{
- struct wl1251_acx_config_memory *mem_conf;
- int ret, i;
-
- wl12xx_debug(DEBUG_ACX, "wl1251 mem cfg");
-
- mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
- if (!mem_conf) {
- ret = -ENOMEM;
- goto out;
- }
-
- /* memory config */
- mem_conf->mem_config.num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
- mem_conf->mem_config.rx_mem_block_num = 35;
- mem_conf->mem_config.tx_min_mem_block_num = 64;
- mem_conf->mem_config.num_tx_queues = MAX_TX_QUEUES;
- mem_conf->mem_config.host_if_options = HOSTIF_PKT_RING;
- mem_conf->mem_config.num_ssid_profiles = 1;
- mem_conf->mem_config.debug_buffer_size =
- cpu_to_le16(TRACE_BUFFER_MAX_SIZE);
-
- /* RX queue config */
- mem_conf->rx_queue_config.dma_address = 0;
- mem_conf->rx_queue_config.num_descs = ACX_RX_DESC_DEF;
- mem_conf->rx_queue_config.priority = DEFAULT_RXQ_PRIORITY;
- mem_conf->rx_queue_config.type = DEFAULT_RXQ_TYPE;
-
- /* TX queue config */
- for (i = 0; i < MAX_TX_QUEUES; i++) {
- mem_conf->tx_queue_config[i].num_descs = ACX_TX_DESC_DEF;
- mem_conf->tx_queue_config[i].attributes = i;
- }
-
- ret = wl12xx_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
- sizeof(*mem_conf));
- if (ret < 0) {
- wl12xx_warning("wl1251 mem config failed: %d", ret);
- goto out;
- }
-
-out:
- kfree(mem_conf);
- return ret;
-}
-
-static int wl1251_hw_init_mem_config(struct wl12xx *wl)
-{
- int ret;
-
- ret = wl1251_mem_cfg(wl);
- if (ret < 0)
- return ret;
-
- wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map),
- GFP_KERNEL);
- if (!wl->target_mem_map) {
- wl12xx_error("couldn't allocate target memory map");
- return -ENOMEM;
- }
-
- /* we now ask for the firmware built memory map */
- ret = wl12xx_acx_mem_map(wl, wl->target_mem_map,
- sizeof(struct wl1251_acx_mem_map));
- if (ret < 0) {
- wl12xx_error("couldn't retrieve firmware memory map");
- kfree(wl->target_mem_map);
- wl->target_mem_map = NULL;
- return ret;
- }
-
- return 0;
-}
-
-static void wl1251_set_ecpu_ctrl(struct wl12xx *wl, u32 flag)
-{
- u32 cpu_ctrl;
-
- /* 10.5.0 run the firmware (I) */
- cpu_ctrl = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL);
-
- /* 10.5.1 run the firmware (II) */
- cpu_ctrl &= ~flag;
- wl12xx_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
-}
-
-static void wl1251_target_enable_interrupts(struct wl12xx *wl)
-{
- /* Enable target's interrupts */
- wl->intr_mask = WL1251_ACX_INTR_RX0_DATA |
- WL1251_ACX_INTR_RX1_DATA |
- WL1251_ACX_INTR_TX_RESULT |
- WL1251_ACX_INTR_EVENT_A |
- WL1251_ACX_INTR_EVENT_B |
- WL1251_ACX_INTR_INIT_COMPLETE;
- wl12xx_boot_target_enable_interrupts(wl);
-}
-
-static void wl1251_fw_version(struct wl12xx *wl)
-{
- wl12xx_acx_fw_version(wl, wl->chip.fw_ver, sizeof(wl->chip.fw_ver));
-}
-
-static void wl1251_irq_work(struct work_struct *work)
-{
- u32 intr;
- struct wl12xx *wl =
- container_of(work, struct wl12xx, irq_work);
- int ret;
-
- mutex_lock(&wl->mutex);
-
- wl12xx_debug(DEBUG_IRQ, "IRQ work");
-
- if (wl->state == WL12XX_STATE_OFF)
- goto out;
-
- ret = wl12xx_ps_elp_wakeup(wl);
- if (ret < 0)
- goto out;
-
- wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL);
-
- intr = wl12xx_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
- wl12xx_debug(DEBUG_IRQ, "intr: 0x%x", intr);
-
- if (wl->data_path) {
- wl->rx_counter =
- wl12xx_mem_read32(wl, wl->data_path->rx_control_addr);
-
- /* We handle a frmware bug here */
- switch ((wl->rx_counter - wl->rx_handled) & 0xf) {
- case 0:
- wl12xx_debug(DEBUG_IRQ, "RX: FW and host in sync");
- intr &= ~WL1251_ACX_INTR_RX0_DATA;
- intr &= ~WL1251_ACX_INTR_RX1_DATA;
- break;
- case 1:
- wl12xx_debug(DEBUG_IRQ, "RX: FW +1");
- intr |= WL1251_ACX_INTR_RX0_DATA;
- intr &= ~WL1251_ACX_INTR_RX1_DATA;
- break;
- case 2:
- wl12xx_debug(DEBUG_IRQ, "RX: FW +2");
- intr |= WL1251_ACX_INTR_RX0_DATA;
- intr |= WL1251_ACX_INTR_RX1_DATA;
- break;
- default:
- wl12xx_warning("RX: FW and host out of sync: %d",
- wl->rx_counter - wl->rx_handled);
- break;
- }
-
- wl->rx_handled = wl->rx_counter;
-
-
- wl12xx_debug(DEBUG_IRQ, "RX counter: %d", wl->rx_counter);
- }
-
- intr &= wl->intr_mask;
-
- if (intr == 0) {
- wl12xx_debug(DEBUG_IRQ, "INTR is 0");
- wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
- ~(wl->intr_mask));
-
- goto out_sleep;
- }
-
- if (intr & WL1251_ACX_INTR_RX0_DATA) {
- wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA");
- wl12xx_rx(wl);
- }
-
- if (intr & WL1251_ACX_INTR_RX1_DATA) {
- wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA");
- wl12xx_rx(wl);
- }
-
- if (intr & WL1251_ACX_INTR_TX_RESULT) {
- wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT");
- wl1251_tx_complete(wl);
- }
-
- if (intr & (WL1251_ACX_INTR_EVENT_A | WL1251_ACX_INTR_EVENT_B)) {
- wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", intr);
- if (intr & WL1251_ACX_INTR_EVENT_A)
- wl12xx_event_handle(wl, 0);
- else
- wl12xx_event_handle(wl, 1);
- }
-
- if (intr & WL1251_ACX_INTR_INIT_COMPLETE)
- wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_INIT_COMPLETE");
-
- wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));
-
-out_sleep:
- wl12xx_ps_elp_sleep(wl);
-
-out:
- mutex_unlock(&wl->mutex);
-}
-
-static int wl1251_hw_init_txq_fill(u8 qid,
- struct acx_tx_queue_qos_config *config,
- u32 num_blocks)
-{
- config->qid = qid;
-
- switch (qid) {
- case QOS_AC_BE:
- config->high_threshold =
- (QOS_TX_HIGH_BE_DEF * num_blocks) / 100;
- config->low_threshold =
- (QOS_TX_LOW_BE_DEF * num_blocks) / 100;
- break;
- case QOS_AC_BK:
- config->high_threshold =
- (QOS_TX_HIGH_BK_DEF * num_blocks) / 100;
- config->low_threshold =
- (QOS_TX_LOW_BK_DEF * num_blocks) / 100;
- break;
- case QOS_AC_VI:
- config->high_threshold =
- (QOS_TX_HIGH_VI_DEF * num_blocks) / 100;
- config->low_threshold =
- (QOS_TX_LOW_VI_DEF * num_blocks) / 100;
- break;
- case QOS_AC_VO:
- config->high_threshold =
- (QOS_TX_HIGH_VO_DEF * num_blocks) / 100;
- config->low_threshold =
- (QOS_TX_LOW_VO_DEF * num_blocks) / 100;
- break;
- default:
- wl12xx_error("Invalid TX queue id: %d", qid);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int wl1251_hw_init_tx_queue_config(struct wl12xx *wl)
-{
- struct acx_tx_queue_qos_config *config;
- struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map;
- int ret, i;
-
- wl12xx_debug(DEBUG_ACX, "acx tx queue config");
-
- config = kzalloc(sizeof(*config), GFP_KERNEL);
- if (!config) {
- ret = -ENOMEM;
- goto out;
- }
-
- for (i = 0; i < MAX_NUM_OF_AC; i++) {
- ret = wl1251_hw_init_txq_fill(i, config,
- wl_mem_map->num_tx_mem_blocks);
- if (ret < 0)
- goto out;
-
- ret = wl12xx_cmd_configure(wl, ACX_TX_QUEUE_CFG,
- config, sizeof(*config));
- if (ret < 0)
- goto out;
- }
-
-out:
- kfree(config);
- return ret;
-}
-
-static int wl1251_hw_init_data_path_config(struct wl12xx *wl)
-{
- int ret;
-
- /* asking for the data path parameters */
- wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp),
- GFP_KERNEL);
- if (!wl->data_path) {
- wl12xx_error("Couldnt allocate data path parameters");
- return -ENOMEM;
- }
-
- ret = wl12xx_acx_data_path_params(wl, wl->data_path);
- if (ret < 0) {
- kfree(wl->data_path);
- wl->data_path = NULL;
- return ret;
- }
-
- return 0;
-}
-
-static int wl1251_hw_init(struct wl12xx *wl)
-{
- struct wl1251_acx_mem_map *wl_mem_map;
- int ret;
-
- ret = wl12xx_hw_init_hwenc_config(wl);
- if (ret < 0)
- return ret;
-
- /* Template settings */
- ret = wl12xx_hw_init_templates_config(wl);
- if (ret < 0)
- return ret;
-
- /* Default memory configuration */
- ret = wl1251_hw_init_mem_config(wl);
- if (ret < 0)
- return ret;
-
- /* Default data path configuration */
- ret = wl1251_hw_init_data_path_config(wl);
- if (ret < 0)
- goto out_free_memmap;
-
- /* RX config */
- ret = wl12xx_hw_init_rx_config(wl,
- RX_CFG_PROMISCUOUS | RX_CFG_TSF,
- RX_FILTER_OPTION_DEF);
- /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
- RX_FILTER_OPTION_FILTER_ALL); */
- if (ret < 0)
- goto out_free_data_path;
-
- /* TX queues config */
- ret = wl1251_hw_init_tx_queue_config(wl);
- if (ret < 0)
- goto out_free_data_path;
-
- /* PHY layer config */
- ret = wl12xx_hw_init_phy_config(wl);
- if (ret < 0)
- goto out_free_data_path;
-
- /* Beacon filtering */
- ret = wl12xx_hw_init_beacon_filter(wl);
- if (ret < 0)
- goto out_free_data_path;
-
- /* Bluetooth WLAN coexistence */
- ret = wl12xx_hw_init_pta(wl);
- if (ret < 0)
- goto out_free_data_path;
-
- /* Energy detection */
- ret = wl12xx_hw_init_energy_detection(wl);
- if (ret < 0)
- goto out_free_data_path;
-
- /* Beacons and boradcast settings */
- ret = wl12xx_hw_init_beacon_broadcast(wl);
- if (ret < 0)
- goto out_free_data_path;
-
- /* Enable data path */
- ret = wl12xx_cmd_data_path(wl, wl->channel, 1);
- if (ret < 0)
- goto out_free_data_path;
-
- /* Default power state */
- ret = wl12xx_hw_init_power_auth(wl);
- if (ret < 0)
- goto out_free_data_path;
-
- wl_mem_map = wl->target_mem_map;
- wl12xx_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x",
- wl_mem_map->num_tx_mem_blocks,
- wl->data_path->tx_control_addr,
- wl_mem_map->num_rx_mem_blocks,
- wl->data_path->rx_control_addr);
-
- return 0;
-
- out_free_data_path:
- kfree(wl->data_path);
-
- out_free_memmap:
- kfree(wl->target_mem_map);
-
- return ret;
-}
-
-static int wl1251_plt_init(struct wl12xx *wl)
-{
- int ret;
-
- ret = wl1251_hw_init_mem_config(wl);
- if (ret < 0)
- return ret;
-
- ret = wl12xx_cmd_data_path(wl, wl->channel, 1);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-void wl1251_setup(struct wl12xx *wl)
-{
- /* FIXME: Is it better to use strncpy here or is this ok? */
- wl->chip.fw_filename = WL1251_FW_NAME;
- wl->chip.nvs_filename = WL1251_NVS_NAME;
-
- /* Now we know what chip we're using, so adjust the power on sleep
- * time accordingly */
- wl->chip.power_on_sleep = WL1251_POWER_ON_SLEEP;
-
- wl->chip.intr_cmd_complete = WL1251_ACX_INTR_CMD_COMPLETE;
- wl->chip.intr_init_complete = WL1251_ACX_INTR_INIT_COMPLETE;
-
- wl->chip.op_upload_nvs = wl1251_upload_nvs;
- wl->chip.op_upload_fw = wl1251_upload_firmware;
- wl->chip.op_boot = wl1251_boot;
- wl->chip.op_set_ecpu_ctrl = wl1251_set_ecpu_ctrl;
- wl->chip.op_target_enable_interrupts = wl1251_target_enable_interrupts;
- wl->chip.op_hw_init = wl1251_hw_init;
- wl->chip.op_plt_init = wl1251_plt_init;
- wl->chip.op_fw_version = wl1251_fw_version;
- wl->chip.op_tx_flush = wl1251_tx_flush;
- wl->chip.op_cmd_join = wl1251_cmd_join;
-
- wl->chip.p_table = wl1251_part_table;
- wl->chip.acx_reg_table = wl1251_acx_reg_table;
-
- INIT_WORK(&wl->irq_work, wl1251_irq_work);
- INIT_WORK(&wl->tx_work, wl1251_tx_work);
-
-}
+++ /dev/null
-/*
- * This file is part of wl12xx
- *
- * Copyright (C) 2008 Nokia Corporation
- *
- * Contact: Kalle Valo <kalle.valo@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
- *
- */
-
-#ifndef __WL1251_H__
-#define __WL1251_H__
-
-#include <linux/bitops.h>
-
-#include "wl12xx.h"
-#include "acx.h"
-
-#define WL1251_FW_NAME "wl1251-fw.bin"
-#define WL1251_NVS_NAME "wl1251-nvs.bin"
-
-#define WL1251_POWER_ON_SLEEP 10 /* in miliseconds */
-
-void wl1251_setup(struct wl12xx *wl);
-
-
-struct wl1251_acx_memory {
- __le16 num_stations; /* number of STAs to be supported. */
- u16 reserved_1;
-
- /*
- * Nmber of memory buffers for the RX mem pool.
- * The actual number may be less if there are
- * not enough blocks left for the minimum num
- * of TX ones.
- */
- u8 rx_mem_block_num;
- u8 reserved_2;
- u8 num_tx_queues; /* From 1 to 16 */
- u8 host_if_options; /* HOST_IF* */
- u8 tx_min_mem_block_num;
- u8 num_ssid_profiles;
- __le16 debug_buffer_size;
-} __attribute__ ((packed));
-
-
-#define ACX_RX_DESC_MIN 1
-#define ACX_RX_DESC_MAX 127
-#define ACX_RX_DESC_DEF 32
-struct wl1251_acx_rx_queue_config {
- u8 num_descs;
- u8 pad;
- u8 type;
- u8 priority;
- __le32 dma_address;
-} __attribute__ ((packed));
-
-#define ACX_TX_DESC_MIN 1
-#define ACX_TX_DESC_MAX 127
-#define ACX_TX_DESC_DEF 16
-struct wl1251_acx_tx_queue_config {
- u8 num_descs;
- u8 pad[2];
- u8 attributes;
-} __attribute__ ((packed));
-
-#define MAX_TX_QUEUE_CONFIGS 5
-#define MAX_TX_QUEUES 4
-struct wl1251_acx_config_memory {
- struct acx_header header;
-
- struct wl1251_acx_memory mem_config;
- struct wl1251_acx_rx_queue_config rx_queue_config;
- struct wl1251_acx_tx_queue_config tx_queue_config[MAX_TX_QUEUE_CONFIGS];
-} __attribute__ ((packed));
-
-struct wl1251_acx_mem_map {
- struct acx_header header;
-
- void *code_start;
- void *code_end;
-
- void *wep_defkey_start;
- void *wep_defkey_end;
-
- void *sta_table_start;
- void *sta_table_end;
-
- void *packet_template_start;
- void *packet_template_end;
-
- void *queue_memory_start;
- void *queue_memory_end;
-
- void *packet_memory_pool_start;
- void *packet_memory_pool_end;
-
- void *debug_buffer1_start;
- void *debug_buffer1_end;
-
- void *debug_buffer2_start;
- void *debug_buffer2_end;
-
- /* Number of blocks FW allocated for TX packets */
- u32 num_tx_mem_blocks;
-
- /* Number of blocks FW allocated for RX packets */
- u32 num_rx_mem_blocks;
-} __attribute__ ((packed));
-
-/*************************************************************************
-
- Host Interrupt Register (WiLink -> Host)
-
-**************************************************************************/
-
-/* RX packet is ready in Xfer buffer #0 */
-#define WL1251_ACX_INTR_RX0_DATA BIT(0)
-
-/* TX result(s) are in the TX complete buffer */
-#define WL1251_ACX_INTR_TX_RESULT BIT(1)
-
-/* OBSOLETE */
-#define WL1251_ACX_INTR_TX_XFR BIT(2)
-
-/* RX packet is ready in Xfer buffer #1 */
-#define WL1251_ACX_INTR_RX1_DATA BIT(3)
-
-/* Event was entered to Event MBOX #A */
-#define WL1251_ACX_INTR_EVENT_A BIT(4)
-
-/* Event was entered to Event MBOX #B */
-#define WL1251_ACX_INTR_EVENT_B BIT(5)
-
-/* OBSOLETE */
-#define WL1251_ACX_INTR_WAKE_ON_HOST BIT(6)
-
-/* Trace meassge on MBOX #A */
-#define WL1251_ACX_INTR_TRACE_A BIT(7)
-
-/* Trace meassge on MBOX #B */
-#define WL1251_ACX_INTR_TRACE_B BIT(8)
-
-/* Command processing completion */
-#define WL1251_ACX_INTR_CMD_COMPLETE BIT(9)
-
-/* Init sequence is done */
-#define WL1251_ACX_INTR_INIT_COMPLETE BIT(14)
-
-#define WL1251_ACX_INTR_ALL 0xFFFFFFFF
-
-#endif
--- /dev/null
+/*
+ * This file is part of wl12xx
+ *
+ * Copyright (C) 2008-2009 Nokia Corporation
+ *
+ * Contact: Kalle Valo <kalle.valo@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/kernel.h>
+#include <linux/module.h>
+
+#include "wl1251_ops.h"
+#include "reg.h"
+#include "spi.h"
+#include "boot.h"
+#include "event.h"
+#include "acx.h"
+#include "wl1251_tx.h"
+#include "rx.h"
+#include "ps.h"
+#include "init.h"
+
+static struct wl12xx_partition_set wl1251_part_table[PART_TABLE_LEN] = {
+ [PART_DOWN] = {
+ .mem = {
+ .start = 0x00000000,
+ .size = 0x00016800
+ },
+ .reg = {
+ .start = REGISTERS_BASE,
+ .size = REGISTERS_DOWN_SIZE
+ },
+ },
+
+ [PART_WORK] = {
+ .mem = {
+ .start = 0x00028000,
+ .size = 0x00014000
+ },
+ .reg = {
+ .start = REGISTERS_BASE,
+ .size = REGISTERS_WORK_SIZE
+ },
+ },
+
+ /* WL1251 doesn't use the DRPW partition, so we don't set it here */
+};
+
+static enum wl12xx_acx_int_reg wl1251_acx_reg_table[ACX_REG_TABLE_LEN] = {
+ [ACX_REG_INTERRUPT_TRIG] = (REGISTERS_BASE + 0x0474),
+ [ACX_REG_INTERRUPT_TRIG_H] = (REGISTERS_BASE + 0x0478),
+ [ACX_REG_INTERRUPT_MASK] = (REGISTERS_BASE + 0x0494),
+ [ACX_REG_HINT_MASK_SET] = (REGISTERS_BASE + 0x0498),
+ [ACX_REG_HINT_MASK_CLR] = (REGISTERS_BASE + 0x049C),
+ [ACX_REG_INTERRUPT_NO_CLEAR] = (REGISTERS_BASE + 0x04B0),
+ [ACX_REG_INTERRUPT_CLEAR] = (REGISTERS_BASE + 0x04A4),
+ [ACX_REG_INTERRUPT_ACK] = (REGISTERS_BASE + 0x04A8),
+ [ACX_REG_SLV_SOFT_RESET] = (REGISTERS_BASE + 0x0000),
+ [ACX_REG_EE_START] = (REGISTERS_BASE + 0x080C),
+ [ACX_REG_ECPU_CONTROL] = (REGISTERS_BASE + 0x0804)
+};
+
+static int wl1251_upload_firmware(struct wl12xx *wl)
+{
+ struct wl12xx_partition_set *p_table = wl->chip.p_table;
+ int addr, chunk_num, partition_limit;
+ size_t fw_data_len;
+ u8 *p;
+
+ /* whal_FwCtrl_LoadFwImageSm() */
+
+ wl12xx_debug(DEBUG_BOOT, "chip id before fw upload: 0x%x",
+ wl12xx_reg_read32(wl, CHIP_ID_B));
+
+ /* 10.0 check firmware length and set partition */
+ fw_data_len = (wl->fw[4] << 24) | (wl->fw[5] << 16) |
+ (wl->fw[6] << 8) | (wl->fw[7]);
+
+ wl12xx_debug(DEBUG_BOOT, "fw_data_len %zu chunk_size %d", fw_data_len,
+ CHUNK_SIZE);
+
+ if ((fw_data_len % 4) != 0) {
+ wl12xx_error("firmware length not multiple of four");
+ return -EIO;
+ }
+
+ wl12xx_set_partition(wl,
+ p_table[PART_DOWN].mem.start,
+ p_table[PART_DOWN].mem.size,
+ p_table[PART_DOWN].reg.start,
+ p_table[PART_DOWN].reg.size);
+
+ /* 10.1 set partition limit and chunk num */
+ chunk_num = 0;
+ partition_limit = p_table[PART_DOWN].mem.size;
+
+ while (chunk_num < fw_data_len / CHUNK_SIZE) {
+ /* 10.2 update partition, if needed */
+ addr = p_table[PART_DOWN].mem.start +
+ (chunk_num + 2) * CHUNK_SIZE;
+ if (addr > partition_limit) {
+ addr = p_table[PART_DOWN].mem.start +
+ chunk_num * CHUNK_SIZE;
+ partition_limit = chunk_num * CHUNK_SIZE +
+ p_table[PART_DOWN].mem.size;
+ wl12xx_set_partition(wl,
+ addr,
+ p_table[PART_DOWN].mem.size,
+ p_table[PART_DOWN].reg.start,
+ p_table[PART_DOWN].reg.size);
+ }
+
+ /* 10.3 upload the chunk */
+ addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE;
+ p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
+ wl12xx_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
+ p, addr);
+ wl12xx_spi_mem_write(wl, addr, p, CHUNK_SIZE);
+
+ chunk_num++;
+ }
+
+ /* 10.4 upload the last chunk */
+ addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE;
+ p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
+ wl12xx_debug(DEBUG_BOOT, "uploading fw last chunk (%zu B) 0x%p to 0x%x",
+ fw_data_len % CHUNK_SIZE, p, addr);
+ wl12xx_spi_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE);
+
+ return 0;
+}
+
+static int wl1251_upload_nvs(struct wl12xx *wl)
+{
+ size_t nvs_len, nvs_bytes_written, burst_len;
+ int nvs_start, i;
+ u32 dest_addr, val;
+ u8 *nvs_ptr, *nvs;
+
+ nvs = wl->nvs;
+ if (nvs == NULL)
+ return -ENODEV;
+
+ nvs_ptr = nvs;
+
+ nvs_len = wl->nvs_len;
+ nvs_start = wl->fw_len;
+
+ /*
+ * Layout before the actual NVS tables:
+ * 1 byte : burst length.
+ * 2 bytes: destination address.
+ * n bytes: data to burst copy.
+ *
+ * This is ended by a 0 length, then the NVS tables.
+ */
+
+ while (nvs_ptr[0]) {
+ burst_len = nvs_ptr[0];
+ dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8));
+
+ /* We move our pointer to the data */
+ nvs_ptr += 3;
+
+ for (i = 0; i < burst_len; i++) {
+ val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
+ | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
+
+ wl12xx_debug(DEBUG_BOOT,
+ "nvs burst write 0x%x: 0x%x",
+ dest_addr, val);
+ wl12xx_mem_write32(wl, dest_addr, val);
+
+ nvs_ptr += 4;
+ dest_addr += 4;
+ }
+ }
+
+ /*
+ * We've reached the first zero length, the first NVS table
+ * is 7 bytes further.
+ */
+ nvs_ptr += 7;
+ nvs_len -= nvs_ptr - nvs;
+ nvs_len = ALIGN(nvs_len, 4);
+
+ /* Now we must set the partition correctly */
+ wl12xx_set_partition(wl, nvs_start,
+ wl->chip.p_table[PART_DOWN].mem.size,
+ wl->chip.p_table[PART_DOWN].reg.start,
+ wl->chip.p_table[PART_DOWN].reg.size);
+
+ /* And finally we upload the NVS tables */
+ nvs_bytes_written = 0;
+ while (nvs_bytes_written < nvs_len) {
+ val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
+ | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
+
+ val = cpu_to_le32(val);
+
+ wl12xx_debug(DEBUG_BOOT,
+ "nvs write table 0x%x: 0x%x",
+ nvs_start, val);
+ wl12xx_mem_write32(wl, nvs_start, val);
+
+ nvs_ptr += 4;
+ nvs_bytes_written += 4;
+ nvs_start += 4;
+ }
+
+ return 0;
+}
+
+static int wl1251_boot(struct wl12xx *wl)
+{
+ int ret = 0, minor_minor_e2_ver;
+ u32 tmp, boot_data;
+
+ ret = wl12xx_boot_soft_reset(wl);
+ if (ret < 0)
+ goto out;
+
+ /* 2. start processing NVS file */
+ ret = wl->chip.op_upload_nvs(wl);
+ if (ret < 0)
+ goto out;
+
+ /* write firmware's last address (ie. it's length) to
+ * ACX_EEPROMLESS_IND_REG */
+ wl12xx_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len);
+
+ /* 6. read the EEPROM parameters */
+ tmp = wl12xx_reg_read32(wl, SCR_PAD2);
+
+ /* 7. read bootdata */
+ wl->boot_attr.radio_type = (tmp & 0x0000FF00) >> 8;
+ wl->boot_attr.major = (tmp & 0x00FF0000) >> 16;
+ tmp = wl12xx_reg_read32(wl, SCR_PAD3);
+
+ /* 8. check bootdata and call restart sequence */
+ wl->boot_attr.minor = (tmp & 0x00FF0000) >> 16;
+ minor_minor_e2_ver = (tmp & 0xFF000000) >> 24;
+
+ wl12xx_debug(DEBUG_BOOT, "radioType 0x%x majorE2Ver 0x%x "
+ "minorE2Ver 0x%x minor_minor_e2_ver 0x%x",
+ wl->boot_attr.radio_type, wl->boot_attr.major,
+ wl->boot_attr.minor, minor_minor_e2_ver);
+
+ ret = wl12xx_boot_init_seq(wl);
+ if (ret < 0)
+ goto out;
+
+ /* 9. NVS processing done */
+ boot_data = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL);
+
+ wl12xx_debug(DEBUG_BOOT, "halt boot_data 0x%x", boot_data);
+
+ /* 10. check that ECPU_CONTROL_HALT bits are set in
+ * pWhalBus->uBootData and start uploading firmware
+ */
+ if ((boot_data & ECPU_CONTROL_HALT) == 0) {
+ wl12xx_error("boot failed, ECPU_CONTROL_HALT not set");
+ ret = -EIO;
+ goto out;
+ }
+
+ ret = wl->chip.op_upload_fw(wl);
+ if (ret < 0)
+ goto out;
+
+ /* 10.5 start firmware */
+ ret = wl12xx_boot_run_firmware(wl);
+ if (ret < 0)
+ goto out;
+
+out:
+ return ret;
+}
+
+static int wl1251_mem_cfg(struct wl12xx *wl)
+{
+ struct wl1251_acx_config_memory *mem_conf;
+ int ret, i;
+
+ wl12xx_debug(DEBUG_ACX, "wl1251 mem cfg");
+
+ mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
+ if (!mem_conf) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* memory config */
+ mem_conf->mem_config.num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
+ mem_conf->mem_config.rx_mem_block_num = 35;
+ mem_conf->mem_config.tx_min_mem_block_num = 64;
+ mem_conf->mem_config.num_tx_queues = MAX_TX_QUEUES;
+ mem_conf->mem_config.host_if_options = HOSTIF_PKT_RING;
+ mem_conf->mem_config.num_ssid_profiles = 1;
+ mem_conf->mem_config.debug_buffer_size =
+ cpu_to_le16(TRACE_BUFFER_MAX_SIZE);
+
+ /* RX queue config */
+ mem_conf->rx_queue_config.dma_address = 0;
+ mem_conf->rx_queue_config.num_descs = ACX_RX_DESC_DEF;
+ mem_conf->rx_queue_config.priority = DEFAULT_RXQ_PRIORITY;
+ mem_conf->rx_queue_config.type = DEFAULT_RXQ_TYPE;
+
+ /* TX queue config */
+ for (i = 0; i < MAX_TX_QUEUES; i++) {
+ mem_conf->tx_queue_config[i].num_descs = ACX_TX_DESC_DEF;
+ mem_conf->tx_queue_config[i].attributes = i;
+ }
+
+ ret = wl12xx_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
+ sizeof(*mem_conf));
+ if (ret < 0) {
+ wl12xx_warning("wl1251 mem config failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(mem_conf);
+ return ret;
+}
+
+static int wl1251_hw_init_mem_config(struct wl12xx *wl)
+{
+ int ret;
+
+ ret = wl1251_mem_cfg(wl);
+ if (ret < 0)
+ return ret;
+
+ wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map),
+ GFP_KERNEL);
+ if (!wl->target_mem_map) {
+ wl12xx_error("couldn't allocate target memory map");
+ return -ENOMEM;
+ }
+
+ /* we now ask for the firmware built memory map */
+ ret = wl12xx_acx_mem_map(wl, wl->target_mem_map,
+ sizeof(struct wl1251_acx_mem_map));
+ if (ret < 0) {
+ wl12xx_error("couldn't retrieve firmware memory map");
+ kfree(wl->target_mem_map);
+ wl->target_mem_map = NULL;
+ return ret;
+ }
+
+ return 0;
+}
+
+static void wl1251_set_ecpu_ctrl(struct wl12xx *wl, u32 flag)
+{
+ u32 cpu_ctrl;
+
+ /* 10.5.0 run the firmware (I) */
+ cpu_ctrl = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL);
+
+ /* 10.5.1 run the firmware (II) */
+ cpu_ctrl &= ~flag;
+ wl12xx_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
+}
+
+static void wl1251_target_enable_interrupts(struct wl12xx *wl)
+{
+ /* Enable target's interrupts */
+ wl->intr_mask = WL1251_ACX_INTR_RX0_DATA |
+ WL1251_ACX_INTR_RX1_DATA |
+ WL1251_ACX_INTR_TX_RESULT |
+ WL1251_ACX_INTR_EVENT_A |
+ WL1251_ACX_INTR_EVENT_B |
+ WL1251_ACX_INTR_INIT_COMPLETE;
+ wl12xx_boot_target_enable_interrupts(wl);
+}
+
+static void wl1251_fw_version(struct wl12xx *wl)
+{
+ wl12xx_acx_fw_version(wl, wl->chip.fw_ver, sizeof(wl->chip.fw_ver));
+}
+
+static void wl1251_irq_work(struct work_struct *work)
+{
+ u32 intr;
+ struct wl12xx *wl =
+ container_of(work, struct wl12xx, irq_work);
+ int ret;
+
+ mutex_lock(&wl->mutex);
+
+ wl12xx_debug(DEBUG_IRQ, "IRQ work");
+
+ if (wl->state == WL12XX_STATE_OFF)
+ goto out;
+
+ ret = wl12xx_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL);
+
+ intr = wl12xx_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
+ wl12xx_debug(DEBUG_IRQ, "intr: 0x%x", intr);
+
+ if (wl->data_path) {
+ wl->rx_counter =
+ wl12xx_mem_read32(wl, wl->data_path->rx_control_addr);
+
+ /* We handle a frmware bug here */
+ switch ((wl->rx_counter - wl->rx_handled) & 0xf) {
+ case 0:
+ wl12xx_debug(DEBUG_IRQ, "RX: FW and host in sync");
+ intr &= ~WL1251_ACX_INTR_RX0_DATA;
+ intr &= ~WL1251_ACX_INTR_RX1_DATA;
+ break;
+ case 1:
+ wl12xx_debug(DEBUG_IRQ, "RX: FW +1");
+ intr |= WL1251_ACX_INTR_RX0_DATA;
+ intr &= ~WL1251_ACX_INTR_RX1_DATA;
+ break;
+ case 2:
+ wl12xx_debug(DEBUG_IRQ, "RX: FW +2");
+ intr |= WL1251_ACX_INTR_RX0_DATA;
+ intr |= WL1251_ACX_INTR_RX1_DATA;
+ break;
+ default:
+ wl12xx_warning("RX: FW and host out of sync: %d",
+ wl->rx_counter - wl->rx_handled);
+ break;
+ }
+
+ wl->rx_handled = wl->rx_counter;
+
+
+ wl12xx_debug(DEBUG_IRQ, "RX counter: %d", wl->rx_counter);
+ }
+
+ intr &= wl->intr_mask;
+
+ if (intr == 0) {
+ wl12xx_debug(DEBUG_IRQ, "INTR is 0");
+ wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
+ ~(wl->intr_mask));
+
+ goto out_sleep;
+ }
+
+ if (intr & WL1251_ACX_INTR_RX0_DATA) {
+ wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA");
+ wl12xx_rx(wl);
+ }
+
+ if (intr & WL1251_ACX_INTR_RX1_DATA) {
+ wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA");
+ wl12xx_rx(wl);
+ }
+
+ if (intr & WL1251_ACX_INTR_TX_RESULT) {
+ wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT");
+ wl1251_tx_complete(wl);
+ }
+
+ if (intr & (WL1251_ACX_INTR_EVENT_A | WL1251_ACX_INTR_EVENT_B)) {
+ wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", intr);
+ if (intr & WL1251_ACX_INTR_EVENT_A)
+ wl12xx_event_handle(wl, 0);
+ else
+ wl12xx_event_handle(wl, 1);
+ }
+
+ if (intr & WL1251_ACX_INTR_INIT_COMPLETE)
+ wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_INIT_COMPLETE");
+
+ wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));
+
+out_sleep:
+ wl12xx_ps_elp_sleep(wl);
+
+out:
+ mutex_unlock(&wl->mutex);
+}
+
+static int wl1251_hw_init_txq_fill(u8 qid,
+ struct acx_tx_queue_qos_config *config,
+ u32 num_blocks)
+{
+ config->qid = qid;
+
+ switch (qid) {
+ case QOS_AC_BE:
+ config->high_threshold =
+ (QOS_TX_HIGH_BE_DEF * num_blocks) / 100;
+ config->low_threshold =
+ (QOS_TX_LOW_BE_DEF * num_blocks) / 100;
+ break;
+ case QOS_AC_BK:
+ config->high_threshold =
+ (QOS_TX_HIGH_BK_DEF * num_blocks) / 100;
+ config->low_threshold =
+ (QOS_TX_LOW_BK_DEF * num_blocks) / 100;
+ break;
+ case QOS_AC_VI:
+ config->high_threshold =
+ (QOS_TX_HIGH_VI_DEF * num_blocks) / 100;
+ config->low_threshold =
+ (QOS_TX_LOW_VI_DEF * num_blocks) / 100;
+ break;
+ case QOS_AC_VO:
+ config->high_threshold =
+ (QOS_TX_HIGH_VO_DEF * num_blocks) / 100;
+ config->low_threshold =
+ (QOS_TX_LOW_VO_DEF * num_blocks) / 100;
+ break;
+ default:
+ wl12xx_error("Invalid TX queue id: %d", qid);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int wl1251_hw_init_tx_queue_config(struct wl12xx *wl)
+{
+ struct acx_tx_queue_qos_config *config;
+ struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map;
+ int ret, i;
+
+ wl12xx_debug(DEBUG_ACX, "acx tx queue config");
+
+ config = kzalloc(sizeof(*config), GFP_KERNEL);
+ if (!config) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ for (i = 0; i < MAX_NUM_OF_AC; i++) {
+ ret = wl1251_hw_init_txq_fill(i, config,
+ wl_mem_map->num_tx_mem_blocks);
+ if (ret < 0)
+ goto out;
+
+ ret = wl12xx_cmd_configure(wl, ACX_TX_QUEUE_CFG,
+ config, sizeof(*config));
+ if (ret < 0)
+ goto out;
+ }
+
+out:
+ kfree(config);
+ return ret;
+}
+
+static int wl1251_hw_init_data_path_config(struct wl12xx *wl)
+{
+ int ret;
+
+ /* asking for the data path parameters */
+ wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp),
+ GFP_KERNEL);
+ if (!wl->data_path) {
+ wl12xx_error("Couldnt allocate data path parameters");
+ return -ENOMEM;
+ }
+
+ ret = wl12xx_acx_data_path_params(wl, wl->data_path);
+ if (ret < 0) {
+ kfree(wl->data_path);
+ wl->data_path = NULL;
+ return ret;
+ }
+
+ return 0;
+}
+
+static int wl1251_hw_init(struct wl12xx *wl)
+{
+ struct wl1251_acx_mem_map *wl_mem_map;
+ int ret;
+
+ ret = wl12xx_hw_init_hwenc_config(wl);
+ if (ret < 0)
+ return ret;
+
+ /* Template settings */
+ ret = wl12xx_hw_init_templates_config(wl);
+ if (ret < 0)
+ return ret;
+
+ /* Default memory configuration */
+ ret = wl1251_hw_init_mem_config(wl);
+ if (ret < 0)
+ return ret;
+
+ /* Default data path configuration */
+ ret = wl1251_hw_init_data_path_config(wl);
+ if (ret < 0)
+ goto out_free_memmap;
+
+ /* RX config */
+ ret = wl12xx_hw_init_rx_config(wl,
+ RX_CFG_PROMISCUOUS | RX_CFG_TSF,
+ RX_FILTER_OPTION_DEF);
+ /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
+ RX_FILTER_OPTION_FILTER_ALL); */
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* TX queues config */
+ ret = wl1251_hw_init_tx_queue_config(wl);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* PHY layer config */
+ ret = wl12xx_hw_init_phy_config(wl);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* Beacon filtering */
+ ret = wl12xx_hw_init_beacon_filter(wl);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* Bluetooth WLAN coexistence */
+ ret = wl12xx_hw_init_pta(wl);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* Energy detection */
+ ret = wl12xx_hw_init_energy_detection(wl);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* Beacons and boradcast settings */
+ ret = wl12xx_hw_init_beacon_broadcast(wl);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* Enable data path */
+ ret = wl12xx_cmd_data_path(wl, wl->channel, 1);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ /* Default power state */
+ ret = wl12xx_hw_init_power_auth(wl);
+ if (ret < 0)
+ goto out_free_data_path;
+
+ wl_mem_map = wl->target_mem_map;
+ wl12xx_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x",
+ wl_mem_map->num_tx_mem_blocks,
+ wl->data_path->tx_control_addr,
+ wl_mem_map->num_rx_mem_blocks,
+ wl->data_path->rx_control_addr);
+
+ return 0;
+
+ out_free_data_path:
+ kfree(wl->data_path);
+
+ out_free_memmap:
+ kfree(wl->target_mem_map);
+
+ return ret;
+}
+
+static int wl1251_plt_init(struct wl12xx *wl)
+{
+ int ret;
+
+ ret = wl1251_hw_init_mem_config(wl);
+ if (ret < 0)
+ return ret;
+
+ ret = wl12xx_cmd_data_path(wl, wl->channel, 1);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+void wl1251_setup(struct wl12xx *wl)
+{
+ /* FIXME: Is it better to use strncpy here or is this ok? */
+ wl->chip.fw_filename = WL1251_FW_NAME;
+ wl->chip.nvs_filename = WL1251_NVS_NAME;
+
+ /* Now we know what chip we're using, so adjust the power on sleep
+ * time accordingly */
+ wl->chip.power_on_sleep = WL1251_POWER_ON_SLEEP;
+
+ wl->chip.intr_cmd_complete = WL1251_ACX_INTR_CMD_COMPLETE;
+ wl->chip.intr_init_complete = WL1251_ACX_INTR_INIT_COMPLETE;
+
+ wl->chip.op_upload_nvs = wl1251_upload_nvs;
+ wl->chip.op_upload_fw = wl1251_upload_firmware;
+ wl->chip.op_boot = wl1251_boot;
+ wl->chip.op_set_ecpu_ctrl = wl1251_set_ecpu_ctrl;
+ wl->chip.op_target_enable_interrupts = wl1251_target_enable_interrupts;
+ wl->chip.op_hw_init = wl1251_hw_init;
+ wl->chip.op_plt_init = wl1251_plt_init;
+ wl->chip.op_fw_version = wl1251_fw_version;
+ wl->chip.op_tx_flush = wl1251_tx_flush;
+ wl->chip.op_cmd_join = wl1251_cmd_join;
+
+ wl->chip.p_table = wl1251_part_table;
+ wl->chip.acx_reg_table = wl1251_acx_reg_table;
+
+ INIT_WORK(&wl->irq_work, wl1251_irq_work);
+ INIT_WORK(&wl->tx_work, wl1251_tx_work);
+
+}
--- /dev/null
+/*
+ * This file is part of wl12xx
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * Contact: Kalle Valo <kalle.valo@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
+ *
+ */
+
+#ifndef __WL1251_OPS_H__
+#define __WL1251_OPS_H__
+
+#include <linux/bitops.h>
+
+#include "wl12xx.h"
+#include "acx.h"
+
+#define WL1251_FW_NAME "wl1251-fw.bin"
+#define WL1251_NVS_NAME "wl1251-nvs.bin"
+
+#define WL1251_POWER_ON_SLEEP 10 /* in miliseconds */
+
+void wl1251_setup(struct wl12xx *wl);
+
+
+struct wl1251_acx_memory {
+ __le16 num_stations; /* number of STAs to be supported. */
+ u16 reserved_1;
+
+ /*
+ * Nmber of memory buffers for the RX mem pool.
+ * The actual number may be less if there are
+ * not enough blocks left for the minimum num
+ * of TX ones.
+ */
+ u8 rx_mem_block_num;
+ u8 reserved_2;
+ u8 num_tx_queues; /* From 1 to 16 */
+ u8 host_if_options; /* HOST_IF* */
+ u8 tx_min_mem_block_num;
+ u8 num_ssid_profiles;
+ __le16 debug_buffer_size;
+} __attribute__ ((packed));
+
+
+#define ACX_RX_DESC_MIN 1
+#define ACX_RX_DESC_MAX 127
+#define ACX_RX_DESC_DEF 32
+struct wl1251_acx_rx_queue_config {
+ u8 num_descs;
+ u8 pad;
+ u8 type;
+ u8 priority;
+ __le32 dma_address;
+} __attribute__ ((packed));
+
+#define ACX_TX_DESC_MIN 1
+#define ACX_TX_DESC_MAX 127
+#define ACX_TX_DESC_DEF 16
+struct wl1251_acx_tx_queue_config {
+ u8 num_descs;
+ u8 pad[2];
+ u8 attributes;
+} __attribute__ ((packed));
+
+#define MAX_TX_QUEUE_CONFIGS 5
+#define MAX_TX_QUEUES 4
+struct wl1251_acx_config_memory {
+ struct acx_header header;
+
+ struct wl1251_acx_memory mem_config;
+ struct wl1251_acx_rx_queue_config rx_queue_config;
+ struct wl1251_acx_tx_queue_config tx_queue_config[MAX_TX_QUEUE_CONFIGS];
+} __attribute__ ((packed));
+
+struct wl1251_acx_mem_map {
+ struct acx_header header;
+
+ void *code_start;
+ void *code_end;
+
+ void *wep_defkey_start;
+ void *wep_defkey_end;
+
+ void *sta_table_start;
+ void *sta_table_end;
+
+ void *packet_template_start;
+ void *packet_template_end;
+
+ void *queue_memory_start;
+ void *queue_memory_end;
+
+ void *packet_memory_pool_start;
+ void *packet_memory_pool_end;
+
+ void *debug_buffer1_start;
+ void *debug_buffer1_end;
+
+ void *debug_buffer2_start;
+ void *debug_buffer2_end;
+
+ /* Number of blocks FW allocated for TX packets */
+ u32 num_tx_mem_blocks;
+
+ /* Number of blocks FW allocated for RX packets */
+ u32 num_rx_mem_blocks;
+} __attribute__ ((packed));
+
+/*************************************************************************
+
+ Host Interrupt Register (WiLink -> Host)
+
+**************************************************************************/
+
+/* RX packet is ready in Xfer buffer #0 */
+#define WL1251_ACX_INTR_RX0_DATA BIT(0)
+
+/* TX result(s) are in the TX complete buffer */
+#define WL1251_ACX_INTR_TX_RESULT BIT(1)
+
+/* OBSOLETE */
+#define WL1251_ACX_INTR_TX_XFR BIT(2)
+
+/* RX packet is ready in Xfer buffer #1 */
+#define WL1251_ACX_INTR_RX1_DATA BIT(3)
+
+/* Event was entered to Event MBOX #A */
+#define WL1251_ACX_INTR_EVENT_A BIT(4)
+
+/* Event was entered to Event MBOX #B */
+#define WL1251_ACX_INTR_EVENT_B BIT(5)
+
+/* OBSOLETE */
+#define WL1251_ACX_INTR_WAKE_ON_HOST BIT(6)
+
+/* Trace meassge on MBOX #A */
+#define WL1251_ACX_INTR_TRACE_A BIT(7)
+
+/* Trace meassge on MBOX #B */
+#define WL1251_ACX_INTR_TRACE_B BIT(8)
+
+/* Command processing completion */
+#define WL1251_ACX_INTR_CMD_COMPLETE BIT(9)
+
+/* Init sequence is done */
+#define WL1251_ACX_INTR_INIT_COMPLETE BIT(14)
+
+#define WL1251_ACX_INTR_ALL 0xFFFFFFFF
+
+#endif