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path: root/drivers/net/wireless/wl12xx/wl1251_cmd.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251_cmd.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1251_cmd.c496
1 files changed, 0 insertions, 496 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251_cmd.c b/drivers/net/wireless/wl12xx/wl1251_cmd.c
deleted file mode 100644
index a37b30cef489..000000000000
--- a/drivers/net/wireless/wl12xx/wl1251_cmd.c
+++ /dev/null
@@ -1,496 +0,0 @@
-#include "wl1251_cmd.h"
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/crc7.h>
-
-#include "wl1251.h"
-#include "wl1251_reg.h"
-#include "wl1251_io.h"
-#include "wl1251_ps.h"
-#include "wl1251_acx.h"
-
-/**
- * send command to firmware
- *
- * @wl: wl struct
- * @id: command id
- * @buf: buffer containing the command, must work with dma
- * @len: length of the buffer
- */
-int wl1251_cmd_send(struct wl1251 *wl, u16 id, void *buf, size_t len)
-{
- struct wl1251_cmd_header *cmd;
- unsigned long timeout;
- u32 intr;
- int ret = 0;
-
- cmd = buf;
- cmd->id = id;
- cmd->status = 0;
-
- WARN_ON(len % 4 != 0);
-
- wl1251_mem_write(wl, wl->cmd_box_addr, buf, len);
-
- wl1251_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
-
- timeout = jiffies + msecs_to_jiffies(WL1251_COMMAND_TIMEOUT);
-
- intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
- while (!(intr & WL1251_ACX_INTR_CMD_COMPLETE)) {
- if (time_after(jiffies, timeout)) {
- wl1251_error("command complete timeout");
- ret = -ETIMEDOUT;
- goto out;
- }
-
- msleep(1);
-
- intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
- }
-
- wl1251_reg_write32(wl, ACX_REG_INTERRUPT_ACK,
- WL1251_ACX_INTR_CMD_COMPLETE);
-
-out:
- return ret;
-}
-
-/**
- * send test command to firmware
- *
- * @wl: wl struct
- * @buf: buffer containing the command, with all headers, must work with dma
- * @len: length of the buffer
- * @answer: is answer needed
- */
-int wl1251_cmd_test(struct wl1251 *wl, void *buf, size_t buf_len, u8 answer)
-{
- int ret;
-
- wl1251_debug(DEBUG_CMD, "cmd test");
-
- ret = wl1251_cmd_send(wl, CMD_TEST, buf, buf_len);
-
- if (ret < 0) {
- wl1251_warning("TEST command failed");
- return ret;
- }
-
- if (answer) {
- struct wl1251_command *cmd_answer;
-
- /*
- * The test command got in, we can read the answer.
- * The answer would be a wl1251_command, where the
- * parameter array contains the actual answer.
- */
- wl1251_mem_read(wl, wl->cmd_box_addr, buf, buf_len);
-
- cmd_answer = buf;
-
- if (cmd_answer->header.status != CMD_STATUS_SUCCESS)
- wl1251_error("TEST command answer error: %d",
- cmd_answer->header.status);
- }
-
- return 0;
-}
-
-/**
- * read acx from firmware
- *
- * @wl: wl struct
- * @id: acx id
- * @buf: buffer for the response, including all headers, must work with dma
- * @len: lenght of buf
- */
-int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len)
-{
- struct acx_header *acx = buf;
- int ret;
-
- wl1251_debug(DEBUG_CMD, "cmd interrogate");
-
- acx->id = id;
-
- /* payload length, does not include any headers */
- acx->len = len - sizeof(*acx);
-
- ret = wl1251_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx));
- if (ret < 0) {
- wl1251_error("INTERROGATE command failed");
- goto out;
- }
-
- /* the interrogate command got in, we can read the answer */
- wl1251_mem_read(wl, wl->cmd_box_addr, buf, len);
-
- acx = buf;
- if (acx->cmd.status != CMD_STATUS_SUCCESS)
- wl1251_error("INTERROGATE command error: %d",
- acx->cmd.status);
-
-out:
- return ret;
-}
-
-/**
- * write acx value to firmware
- *
- * @wl: wl struct
- * @id: acx id
- * @buf: buffer containing acx, including all headers, must work with dma
- * @len: length of buf
- */
-int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len)
-{
- struct acx_header *acx = buf;
- int ret;
-
- wl1251_debug(DEBUG_CMD, "cmd configure");
-
- acx->id = id;
-
- /* payload length, does not include any headers */
- acx->len = len - sizeof(*acx);
-
- ret = wl1251_cmd_send(wl, CMD_CONFIGURE, acx, len);
- if (ret < 0) {
- wl1251_warning("CONFIGURE command NOK");
- return ret;
- }
-
- return 0;
-}
-
-int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity,
- void *bitmap, u16 bitmap_len, u8 bitmap_control)
-{
- struct wl1251_cmd_vbm_update *vbm;
- int ret;
-
- wl1251_debug(DEBUG_CMD, "cmd vbm");
-
- vbm = kzalloc(sizeof(*vbm), GFP_KERNEL);
- if (!vbm) {
- ret = -ENOMEM;
- goto out;
- }
-
- /* Count and period will be filled by the target */
- vbm->tim.bitmap_ctrl = bitmap_control;
- if (bitmap_len > PARTIAL_VBM_MAX) {
- wl1251_warning("cmd vbm len is %d B, truncating to %d",
- bitmap_len, PARTIAL_VBM_MAX);
- bitmap_len = PARTIAL_VBM_MAX;
- }
- memcpy(vbm->tim.pvb_field, bitmap, bitmap_len);
- vbm->tim.identity = identity;
- vbm->tim.length = bitmap_len + 3;
-
- vbm->len = cpu_to_le16(bitmap_len + 5);
-
- ret = wl1251_cmd_send(wl, CMD_VBM, vbm, sizeof(*vbm));
- if (ret < 0) {
- wl1251_error("VBM command failed");
- goto out;
- }
-
-out:
- kfree(vbm);
- return 0;
-}
-
-int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable)
-{
- struct cmd_enabledisable_path *cmd;
- int ret;
- u16 cmd_rx, cmd_tx;
-
- wl1251_debug(DEBUG_CMD, "cmd data path");
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (!cmd) {
- ret = -ENOMEM;
- goto out;
- }
-
- cmd->channel = channel;
-
- if (enable) {
- cmd_rx = CMD_ENABLE_RX;
- cmd_tx = CMD_ENABLE_TX;
- } else {
- cmd_rx = CMD_DISABLE_RX;
- cmd_tx = CMD_DISABLE_TX;
- }
-
- ret = wl1251_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd));
- if (ret < 0) {
- wl1251_error("rx %s cmd for channel %d failed",
- enable ? "start" : "stop", channel);
- goto out;
- }
-
- wl1251_debug(DEBUG_BOOT, "rx %s cmd channel %d",
- enable ? "start" : "stop", channel);
-
- ret = wl1251_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd));
- if (ret < 0) {
- wl1251_error("tx %s cmd for channel %d failed",
- enable ? "start" : "stop", channel);
- return ret;
- }
-
- wl1251_debug(DEBUG_BOOT, "tx %s cmd channel %d",
- enable ? "start" : "stop", channel);
-
-out:
- kfree(cmd);
- return ret;
-}
-
-int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel,
- u16 beacon_interval, u8 dtim_interval)
-{
- struct cmd_join *join;
- int ret, i;
- u8 *bssid;
-
- join = kzalloc(sizeof(*join), GFP_KERNEL);
- if (!join) {
- ret = -ENOMEM;
- goto out;
- }
-
- wl1251_debug(DEBUG_CMD, "cmd join%s ch %d %d/%d",
- bss_type == BSS_TYPE_IBSS ? " ibss" : "",
- channel, beacon_interval, dtim_interval);
-
- /* Reverse order BSSID */
- bssid = (u8 *) &join->bssid_lsb;
- for (i = 0; i < ETH_ALEN; i++)
- bssid[i] = wl->bssid[ETH_ALEN - i - 1];
-
- join->rx_config_options = wl->rx_config;
- join->rx_filter_options = wl->rx_filter;
-
- /*
- * FIXME: disable temporarily all filters because after commit
- * 9cef8737 "mac80211: fix managed mode BSSID handling" broke
- * association. The filter logic needs to be implemented properly
- * and once that is done, this hack can be removed.
- */
- join->rx_config_options = 0;
- join->rx_filter_options = WL1251_DEFAULT_RX_FILTER;
-
- join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
- RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
-
- join->beacon_interval = beacon_interval;
- join->dtim_interval = dtim_interval;
- join->bss_type = bss_type;
- join->channel = channel;
- join->ctrl = JOIN_CMD_CTRL_TX_FLUSH;
-
- ret = wl1251_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
- if (ret < 0) {
- wl1251_error("failed to initiate cmd join");
- goto out;
- }
-
-out:
- kfree(join);
- return ret;
-}
-
-int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode)
-{
- struct wl1251_cmd_ps_params *ps_params = NULL;
- int ret = 0;
-
- wl1251_debug(DEBUG_CMD, "cmd set ps mode");
-
- ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
- if (!ps_params) {
- ret = -ENOMEM;
- goto out;
- }
-
- ps_params->ps_mode = ps_mode;
- ps_params->send_null_data = 1;
- ps_params->retries = 5;
- ps_params->hang_over_period = 128;
- ps_params->null_data_rate = 1; /* 1 Mbps */
-
- ret = wl1251_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
- sizeof(*ps_params));
- if (ret < 0) {
- wl1251_error("cmd set_ps_mode failed");
- goto out;
- }
-
-out:
- kfree(ps_params);
- return ret;
-}
-
-int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer,
- size_t len)
-{
- struct cmd_read_write_memory *cmd;
- int ret = 0;
-
- wl1251_debug(DEBUG_CMD, "cmd read memory");
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (!cmd) {
- ret = -ENOMEM;
- goto out;
- }
-
- WARN_ON(len > MAX_READ_SIZE);
- len = min_t(size_t, len, MAX_READ_SIZE);
-
- cmd->addr = addr;
- cmd->size = len;
-
- ret = wl1251_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd));
- if (ret < 0) {
- wl1251_error("read memory command failed: %d", ret);
- goto out;
- }
-
- /* the read command got in, we can now read the answer */
- wl1251_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd));
-
- if (cmd->header.status != CMD_STATUS_SUCCESS)
- wl1251_error("error in read command result: %d",
- cmd->header.status);
-
- memcpy(answer, cmd->value, len);
-
-out:
- kfree(cmd);
- return ret;
-}
-
-int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id,
- void *buf, size_t buf_len)
-{
- struct wl1251_cmd_packet_template *cmd;
- size_t cmd_len;
- int ret = 0;
-
- wl1251_debug(DEBUG_CMD, "cmd template %d", cmd_id);
-
- WARN_ON(buf_len > WL1251_MAX_TEMPLATE_SIZE);
- buf_len = min_t(size_t, buf_len, WL1251_MAX_TEMPLATE_SIZE);
- cmd_len = ALIGN(sizeof(*cmd) + buf_len, 4);
-
- cmd = kzalloc(cmd_len, GFP_KERNEL);
- if (!cmd) {
- ret = -ENOMEM;
- goto out;
- }
-
- cmd->size = cpu_to_le16(buf_len);
-
- if (buf)
- memcpy(cmd->data, buf, buf_len);
-
- ret = wl1251_cmd_send(wl, cmd_id, cmd, cmd_len);
- if (ret < 0) {
- wl1251_warning("cmd set_template failed: %d", ret);
- goto out;
- }
-
-out:
- kfree(cmd);
- return ret;
-}
-
-int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len,
- struct ieee80211_channel *channels[],
- unsigned int n_channels, unsigned int n_probes)
-{
- struct wl1251_cmd_scan *cmd;
- int i, ret = 0;
-
- wl1251_debug(DEBUG_CMD, "cmd scan");
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
- cmd->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD);
- cmd->params.rx_filter_options = cpu_to_le32(CFG_RX_PRSP_EN |
- CFG_RX_MGMT_EN |
- CFG_RX_BCN_EN);
- cmd->params.scan_options = 0;
- cmd->params.num_channels = n_channels;
- cmd->params.num_probe_requests = n_probes;
- cmd->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */
- cmd->params.tid_trigger = 0;
-
- for (i = 0; i < n_channels; i++) {
- cmd->channels[i].min_duration =
- cpu_to_le32(WL1251_SCAN_MIN_DURATION);
- cmd->channels[i].max_duration =
- cpu_to_le32(WL1251_SCAN_MAX_DURATION);
- memset(&cmd->channels[i].bssid_lsb, 0xff, 4);
- memset(&cmd->channels[i].bssid_msb, 0xff, 2);
- cmd->channels[i].early_termination = 0;
- cmd->channels[i].tx_power_att = 0;
- cmd->channels[i].channel = channels[i]->hw_value;
- }
-
- cmd->params.ssid_len = ssid_len;
- if (ssid)
- memcpy(cmd->params.ssid, ssid, ssid_len);
-
- ret = wl1251_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd));
- if (ret < 0) {
- wl1251_error("cmd scan failed: %d", ret);
- goto out;
- }
-
- wl1251_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd));
-
- if (cmd->header.status != CMD_STATUS_SUCCESS) {
- wl1251_error("cmd scan status wasn't success: %d",
- cmd->header.status);
- ret = -EIO;
- goto out;
- }
-
-out:
- kfree(cmd);
- return ret;
-}
-
-int wl1251_cmd_trigger_scan_to(struct wl1251 *wl, u32 timeout)
-{
- struct wl1251_cmd_trigger_scan_to *cmd;
- int ret;
-
- wl1251_debug(DEBUG_CMD, "cmd trigger scan to");
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
- cmd->timeout = timeout;
-
- ret = wl1251_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd));
- if (ret < 0) {
- wl1251_error("cmd trigger scan to failed: %d", ret);
- goto out;
- }
-
-out:
- kfree(cmd);
- return ret;
-}