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path: root/drivers/net/wireless/wl12xx/wl1251.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1251.c709
1 files changed, 709 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251.c b/drivers/net/wireless/wl12xx/wl1251.c
new file mode 100644
index 00000000000..ce1561a41fa
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/wl1251.c
@@ -0,0 +1,709 @@
+/*
+ * 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 "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;
+
+ /* Get and save the firmware version */
+ wl12xx_acx_fw_version(wl, wl->chip.fw_ver, sizeof(wl->chip.fw_ver));
+
+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");
+
+ /* 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;
+ }
+
+ mem_conf.header.id = ACX_MEM_CFG;
+ mem_conf.header.len = sizeof(struct wl1251_acx_config_memory) -
+ sizeof(struct acx_header);
+ mem_conf.header.len -=
+ (MAX_TX_QUEUE_CONFIGS - mem_conf.mem_config.num_tx_queues) *
+ sizeof(struct wl1251_acx_tx_queue_config);
+
+ ret = wl12xx_cmd_configure(wl, &mem_conf,
+ sizeof(struct wl1251_acx_config_memory));
+ if (ret < 0)
+ wl12xx_warning("wl1251 mem config failed: %d", ret);
+
+ 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_irq_work(struct work_struct *work)
+{
+ u32 intr;
+ struct wl12xx *wl =
+ container_of(work, struct wl12xx, irq_work);
+
+ mutex_lock(&wl->mutex);
+
+ wl12xx_debug(DEBUG_IRQ, "IRQ work");
+
+ if (wl->state == WL12XX_STATE_OFF)
+ goto out;
+
+ wl12xx_ps_elp_wakeup(wl);
+
+ 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) {
+ wl12xx_spi_mem_read(wl, wl->data_path->rx_control_addr,
+ &wl->rx_counter, sizeof(u32));
+
+ /* 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");
+ wl12xx_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.header.id = ACX_TX_QUEUE_CFG;
+ config.header.len = sizeof(struct acx_tx_queue_qos_config) -
+ sizeof(struct acx_header);
+
+ 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)
+ return ret;
+
+ ret = wl12xx_cmd_configure(wl, &config, sizeof(config));
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+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.p_table = wl1251_part_table;
+ wl->chip.acx_reg_table = wl1251_acx_reg_table;
+
+ INIT_WORK(&wl->irq_work, wl1251_irq_work);
+}