wireless: redpine: drop the old vendor driver

Clean up in preperation for a new code drop
Signed-off-by: Angus Ainslie <angus@akkea.ca>

drivers/net/wireless/redpine/Kconfig

-config WLAN_VENDOR_REDPINE
-	bool "Redpine Signals Inc devices - PROPRIETARY DRIVER"
-	default y
-	help
-	  If you have a wireless card belonging to this class, say Y.
-
-	  Note that the answer to this question doesn't directly affect the
-	  kernel: saying N will just cause the configurator to skip all
-	  the questions about  cards. If you say Y, you will be asked for
-	  your specific card in the following questions.
-
-if WLAN_VENDOR_REDPINE
-
-config REDPINE_91X
-	tristate "Redpine Signals Inc 91x WLAN driver support"
-	depends on MAC80211
-	help
-	  This option enabes support for REDPINE 1x1 devices.
-	  Select M (recommended), if you have a REDPINE 1x1 wireless module.
-
-config REDPINE_DEBUGFS
-	bool "Redpine Signals Inc debug support"
-	depends on REDPINE_91X
-	default y
-	help
-	 Say Y, if you would like to enable debug support. This option
-	 creates debugfs entries.
-
-config REDPINE_SDIO
-	tristate "Redpine Signals SDIO bus support"
-	depends on MMC && REDPINE_91X
-	default m
-	help
-	  This option enables the SDIO bus support in rsi drivers.
-	  Select M (recommended), if you have a REDPINE 1x1 wireless module.
-
-config REDPINE_USB
-	tristate "Redpine Signals USB bus support"
-	depends on USB && REDPINE_91X
-	default m
-	help
-	  This option enables the USB bus support in rsi drivers.
-	  Select M (recommended), if you have a REDPINE 1x1 wireless module.
-
-config REDPINE_BT_ALONE
-	bool "Redpine Signals BT alone (classic/LE) mode support"
-	depends on REDPINE_91X
-	default n
-	help
-	  This option enables the BT classic alone upport in rsi drivers.
-	  Say Y, if you want to use this feature.
-
-config REDPINE_COEX_MODE
-	bool "Redpine Signals Wi-Fi BT Coex support"
-	depends on REDPINE_91X
-	default n
-	help
-	  This option enables the Wi-Fi BT coex support in rsi drivers.
-	  Select Y, if you have to use this feature.
-
-config REDPINE_WOW
-	bool "Redpine Signals WoWLAN support"
-	depends on REDPINE_91X
-	default n
-	help
-	  This option enables the WoWLAN support.
-	  Say Y if you want to use this feature.
-
-config REDPINE_P2P
-	bool "Redpine Signals Wi-Fi Direct support"
-	depends on REDPINE_91X
-	default n
-	help
-	  This option enables the Wi-Fi Direct support in rsi drivers.
-	  Select Y, if you have to use this feature.
-
-config HW_SCAN_OFFLOAD 
-	bool "Redpine Signals Hardware scan offload feature"
-	depends on REDPINE_91X
-	default n
-	help
-	  This option enables the hardware scan offload option in rsi drivers.
-	  Select Y, if you have to use this feature.
-
-config CARACALLA_BOARD 
-	bool "Redpine device support on Caracalla board"
-	depends on REDPINE_91X
-	default n
-	help
-	  This option is used to support Caracalla board with REDPINE driver.
-	  Select Y, if you have to use this support.
-
-config REDPINE_ZIGB 
-	bool "Redpine device support on Zigbee"
-	depends on REDPINE_91X && REDPINE_COEX_MODE
-	default n
-	help
-	  This option is used to support Zigbee with REDPINE driver.
-	  Select Y, if you have to use this support.
-
-config REDPINE_PURISM
-	bool "Redpine Signals PURISM FW support"
-	depends on REDPINE_91X && REDPINE_COEX_MODE
-	default n
-	help
-	  This option enables the PURISM FW support.
-	  Say Y if you want to use this feature.
-
-endif # WLAN_VENDOR_REDPINE

drivers/net/wireless/redpine/Makefile

-#/*
-# Copyright (c) 2017 Redpine Signals Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-# 	1. Redistributions of source code must retain the above copyright
-# 	   notice, this list of conditions and the following disclaimer.
-#
-# 	2. Redistributions in binary form must reproduce the above copyright
-# 	   notice, this list of conditions and the following disclaimer in the
-# 	   documentation and/or other materials provided with the distribution.
-#
-# 	3. Neither the name of the copyright holder nor the names of its
-# 	   contributors may be used to endorse or promote products derived from
-# 	   this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION). HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
-#*/
-
-redpine_91x-y			+= rsi_91x_main.o
-redpine_91x-y			+= rsi_91x_core.o
-redpine_91x-y			+= rsi_91x_mac80211.o
-redpine_91x-y			+= rsi_91x_mgmt.o
-redpine_91x-y			+= rsi_91x_hal.o
-redpine_91x-y			+= rsi_91x_ps.o
-redpine_91x-$(CONFIG_REDPINE_DEBUGFS)	+= rsi_91x_debugfs.o
-redpine_91x-$(CONFIG_REDPINE_BT_ALONE)	+= rsi_91x_hci.o
-redpine_91x-$(CONFIG_REDPINE_COEX_MODE)	+= rsi_91x_coex.o
-redpine_91x-$(CONFIG_REDPINE_COEX_MODE)	+= rsi_91x_hci.o
-redpine_91x-$(CONFIG_REDPINE_ZIGB)	+= rsi_91x_zigb.o
-redpine_91x-$(CONFIG_REDPINE_11K)	+= rsi_91x_rrm.o
-
-redpine_usb-$(CONFIG_REDPINE_USB)	+= rsi_91x_usb.o rsi_91x_usb_ops.o
-redpine_sdio-$(CONFIG_REDPINE_SDIO)	+= rsi_91x_sdio.o rsi_91x_sdio_ops.o
-obj-$(CONFIG_REDPINE_91X) 		+= redpine_91x.o
-obj-$(CONFIG_REDPINE_SDIO)		+= redpine_sdio.o
-obj-$(CONFIG_REDPINE_USB)		+= redpine_usb.o

drivers/net/wireless/redpine/rsi_91x_coex.c

-/*
- * Copyright (c) 2017 Redpine Signals Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 	1. Redistributions of source code must retain the above copyright
- * 	   notice, this list of conditions and the following disclaimer.
- *
- * 	2. Redistributions in binary form must reproduce the above copyright
- * 	   notice, this list of conditions and the following disclaimer in the
- * 	   documentation and/or other materials provided with the distribution.
- *
- * 	3. Neither the name of the copyright holder nor the names of its
- * 	   contributors may be used to endorse or promote products derived from
- * 	   this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION). HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "rsi_main.h"
-#include "rsi_coex.h"
-#include "rsi_hal.h"
-#include "rsi_mgmt.h"
-
-static u8 rsi_coex_determine_coex_q(struct rsi_coex_ctrl_block *coex_cb)
-{
-	u8 q_num = INVALID_QUEUE;
-
-	if (skb_queue_len(&coex_cb->coex_tx_qs[VIP_Q]) > 0)
-		q_num = VIP_Q;
-	if (skb_queue_len(&coex_cb->coex_tx_qs[COEX_Q]) > 0)
-		q_num = COEX_Q;
-	if (skb_queue_len(&coex_cb->coex_tx_qs[BT_Q]) > 0)
-		q_num = BT_Q;
-	if (skb_queue_len(&coex_cb->coex_tx_qs[ZIGB_Q]) > 0)
-		q_num = ZIGB_Q;
-	if (skb_queue_len(&coex_cb->coex_tx_qs[WLAN_Q]) > 0)
-		q_num = WLAN_Q;
-
-	return q_num;
-}
-
-static void rsi_coex_sched_tx_pkts(struct rsi_coex_ctrl_block *coex_cb)
-{
-	u8 coex_q;
-	struct sk_buff *skb;
-#ifdef CONFIG_REDPINE_ZIGB
-	struct rsi_common *common = coex_cb->priv;
-#endif
-	while (1) {
-		coex_q = rsi_coex_determine_coex_q(coex_cb);
-		redpine_dbg(INFO_ZONE, "queue = %d\n", coex_q);
-
-		if (coex_q == INVALID_QUEUE) {
-			redpine_dbg(DATA_TX_ZONE, "No more pkt\n");
-			break;
-		}
-
-		if ((coex_q == BT_Q) || (coex_q == ZIGB_Q)) {
-			skb = skb_dequeue(&coex_cb->coex_tx_qs[BT_Q]);
-#ifdef CONFIG_REDPINE_ZIGB
-			if (common->zb_fsm_state == ZB_DEVICE_READY) {
-				redpine_dbg(DATA_TX_ZONE, "Sending zigbee pkt\n");
-				rsi_send_zb_pkt(coex_cb->priv, skb);
-			} else {
-#endif
-				redpine_dbg(DATA_TX_ZONE, "Sending BT pkt\n");
-				rsi_send_bt_pkt(coex_cb->priv, skb);
-#ifdef CONFIG_REDPINE_ZIGB
-			}
-#endif
-		}
-	}
-}
-
-/**
- * rsi_coex_scheduler_thread() - This function is a kernel thread to schedule
- *			       the coex packets to device
- * @common: Pointer to the driver private structure.
- *
- * Return: None.
- */
-static void rsi_coex_scheduler_thread(struct rsi_common *common)
-{
-	int status = 0;
-	struct rsi_coex_ctrl_block *coex_cb =
-		(struct rsi_coex_ctrl_block *)common->coex_cb;
-
-	u32 timeout = EVENT_WAIT_FOREVER;
-
-	do {
-		status = rsi_wait_event(&coex_cb->coex_tx_thread.event, timeout);
-		if (status < 0)
-			break;
-		rsi_reset_event(&coex_cb->coex_tx_thread.event);
-
-		rsi_coex_sched_tx_pkts(coex_cb);
-	} while (atomic_read(&coex_cb->coex_tx_thread.thread_done) == 0);
-
-	complete_and_exit(&coex_cb->coex_tx_thread.completion, 0);
-}
-
-int rsi_coex_recv_pkt(struct rsi_common *common, u8 *msg)
-{
-	u16 msg_type = msg[2];
-
-	if (msg_type == COMMON_CARD_READY_IND) {
-		common->hibernate_resume = false;
-		redpine_dbg(INFO_ZONE, "COMMON CARD READY RECEIVED\n");
-		rsi_handle_card_ready(common, msg);
-	} else if (msg_type == SLEEP_NOTIFY_IND) {
-		redpine_dbg(INFO_ZONE, "\n\n sleep notify RECEIVED\n");
-		rsi_mgmt_pkt_recv(common, msg);
-	}
-
-	return 0;
-}
-
-int rsi_coex_send_pkt(void *priv,
-		      struct sk_buff *skb,
-		      u8 hal_queue)
-{
-	struct rsi_common *common = (struct rsi_common *)priv;
-	struct rsi_coex_ctrl_block *coex_cb =
-		(struct rsi_coex_ctrl_block *)common->coex_cb;
-	struct skb_info *tx_params = NULL;
-	int status = 0;
-
-	/* Add pkt to queue if not WLAN packet */
-	if (hal_queue != RSI_WLAN_Q) {
-		skb_queue_tail(&coex_cb->coex_tx_qs[hal_queue], skb);
-		rsi_set_event(&coex_cb->coex_tx_thread.event);
-		return status;
-	}
-	if (common->iface_down) {
-		tx_params = (struct skb_info *)&IEEE80211_SKB_CB(skb)->driver_data;
-
-		if (!(tx_params->flags & INTERNAL_MGMT_PKT)) {
-			rsi_indicate_tx_status(common->priv, skb, -EINVAL);
-			return 0;
-		}
-	}
-
-	/* Send packet to hal */
-	if (skb->priority == MGMT_SOFT_Q)
-		status = rsi_send_mgmt_pkt(common, skb);
-	else
-		status = rsi_send_data_pkt(common, skb);
-
-	return 0;
-}
-
-int rsi_coex_init(struct rsi_common *common)
-{
-	struct rsi_coex_ctrl_block *coex_cb = NULL;
-	int cnt;
-
-	coex_cb = kzalloc(sizeof(*coex_cb), GFP_KERNEL);
-	if (!coex_cb)
-		return -ENOMEM;
-
-	common->coex_cb = (void *)coex_cb;
-	coex_cb->priv = common;
-	sema_init(&coex_cb->tx_bus_lock, 1);
-
-	/* Initialize co-ex queues */
-	for (cnt = 0; cnt < NUM_COEX_TX_QUEUES; cnt++)
-		skb_queue_head_init(&coex_cb->coex_tx_qs[cnt]);
-	rsi_init_event(&coex_cb->coex_tx_thread.event);
-
-	/* Initialize co-ex thread */
-	if (rsi_create_kthread(common,
-			       &coex_cb->coex_tx_thread,
-			       rsi_coex_scheduler_thread,
-			       "Coex-Tx-Thread")) {
-		redpine_dbg(ERR_ZONE, "%s: Unable to init tx thrd\n", __func__);
-		goto err;
-	}
-	return 0;
-
-err:
-	return -EINVAL;
-}
-
-void rsi_coex_deinit(struct rsi_common *common)
-{
-	int cnt;
-
-	struct rsi_coex_ctrl_block *coex_cb =
-		(struct rsi_coex_ctrl_block *)common->coex_cb;
-
-	/* Stop the coex tx thread */
-	rsi_kill_thread(&coex_cb->coex_tx_thread);
-
-	/* Empty the coex queue */
-	for (cnt = 0; cnt < NUM_COEX_TX_QUEUES; cnt++)
-		skb_queue_purge(&coex_cb->coex_tx_qs[cnt]);
-
-	/* Free the coex control block */
-	kfree(coex_cb);
-}

drivers/net/wireless/redpine/rsi_91x_ps.c

-/*
- * Copyright (c) 2017 Redpine Signals Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 	1. Redistributions of source code must retain the above copyright
- * 	   notice, this list of conditions and the following disclaimer.
- *
- * 	2. Redistributions in binary form must reproduce the above copyright
- * 	   notice, this list of conditions and the following disclaimer in the
- * 	   documentation and/or other materials provided with the distribution.
- *
- * 	3. Neither the name of the copyright holder nor the names of its
- * 	   contributors may be used to endorse or promote products derived from
- * 	   this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION). HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <linux/etherdevice.h>
-#include <linux/if.h>
-#include <linux/version.h>
-#include "rsi_debugfs.h"
-#include "rsi_mgmt.h"
-#include "rsi_common.h"
-#include "rsi_ps.h"
-
-/**
- * str_psstate() - return the ps state in string format.
- *
- * @state - PS state.
- *
- * return: PS state in string format.
- */
-char *str_psstate(enum ps_state state)
-{
-	switch (state) {
-	case PS_NONE:
-		return "PS_NONE";
-	case PS_DISABLE_REQ_SENT:
-		return "PS_DISABLE_REQ_SENT";
-	case PS_ENABLE_REQ_SENT:
-		return "PS_ENABLE_REQ_SENT";
-	case PS_ENABLED:
-		return "PS_ENABLED";
-	default:
-		return "INVALID_STATE";
-	}
-	return "INVALID_STATE";
-}
-
-/**
- * rsi_modify_ps_state() - Modify PS state to a new state.
- *
- * @adapter: pointer to rsi_hw structure.
- * @nstate: new PS state.
- *
- * return: new state.
- */
-static inline void rsi_modify_ps_state(struct rsi_hw *adapter,
-				       enum ps_state nstate)
-{
-	redpine_dbg(INFO_ZONE, "PS state changed %s => %s\n",
-		str_psstate(adapter->ps_state),
-		str_psstate(nstate));
-
-	adapter->ps_state = nstate;
-}
-
-/**
- * rsi_default_ps_params() - Initalization of default powersave parameters.
- *
- * @adapter: pointer to rsi_hw structure.
- *
- * return: void.
- */
-void rsi_default_ps_params(struct rsi_hw *adapter)
-{
-	struct rsi_ps_info *ps_info = &adapter->ps_info;
-
-	ps_info->enabled = true;
-	ps_info->sleep_type = 1; /* LP */
-	ps_info->tx_threshold = 0;
-	ps_info->rx_threshold = 0;
-	ps_info->tx_hysterisis = 0;
-	ps_info->rx_hysterisis = 0;
-	ps_info->monitor_interval = 0;
-	ps_info->listen_interval = 2 * 100;
-	ps_info->num_bcns_per_lis_int = 0;
-	ps_info->dtim_interval_duration = 0;
-	ps_info->num_dtims_per_sleep = 0;
-	ps_info->deep_sleep_wakeup_period = 0;
-}
-EXPORT_SYMBOL_GPL(rsi_default_ps_params);
-
-/**
- * rsi_enable_ps() - enable power save
- *
- * @adapter: Pointer to rsi_hw structure.
- *
- * return: void.
- */
-void rsi_enable_ps(struct rsi_hw *adapter)
-{
-	if (rsi_send_ps_request(adapter, true)) {
-		redpine_dbg(ERR_ZONE,
-			"%s: Failed to send PS request to device\n",
-			__func__);
-		return;
-	}
-
-	rsi_modify_ps_state(adapter, PS_ENABLE_REQ_SENT);
-}
-
-/**
- * rsi_disable_ps() - disable power save
- *
- * @adapter: Pointer to rsi_hw structure.
- *
- * return: void.
- */
-void rsi_disable_ps(struct rsi_hw *adapter)
-{
-	if (rsi_send_ps_request(adapter, false)) {
-		redpine_dbg(ERR_ZONE,
-			"%s: Failed to send PS request to device\n",
-			__func__);
-		return;
-	}
-
-	rsi_modify_ps_state(adapter, PS_DISABLE_REQ_SENT);
-}
-
-/**
- * rsi_conf_uapsd() - configures UAPSD powersave.
- *
- * @adapter - Pointer to rsi_hw structure.
- *
- * return: void.
- */
-void rsi_conf_uapsd(struct rsi_hw *adapter)
-{
-	if (adapter->ps_state != PS_ENABLED)
-		return;
-
-	if (rsi_send_ps_request(adapter, false)) {
-		redpine_dbg(ERR_ZONE,
-			"%s: Failed to send PS request to device\n",
-			__func__);
-		return;
-	}
-
-	if (rsi_send_ps_request(adapter, true)) {
-		redpine_dbg(ERR_ZONE,
-			"%s: Failed to send PS request to device\n",
-			__func__);
-	}
-}
-
-/**
- * rsi_handle_ps_confirm() - Processes powersave confirmation.
- *
- * @adapter - Pointer to rsi_hw structure.
- * @msg - Recevied buffer.
- *
- * return: 0 on success.
- */
-int rsi_handle_ps_confirm(struct rsi_hw *adapter, u8 *msg)
-{
-	u16 cfm_type = 0;
-
-	cfm_type = *(u16 *)&msg[PS_CONFIRM_INDEX];
-
-	switch (cfm_type) {
-	case SLEEP_REQUEST:
-		if (adapter->ps_state == PS_ENABLE_REQ_SENT)
-			rsi_modify_ps_state(adapter, PS_ENABLED);
-		break;
-	case WAKEUP_REQUEST:
-		if (adapter->ps_state == PS_DISABLE_REQ_SENT)
-			rsi_modify_ps_state(adapter, PS_NONE);
-		break;
-	default:
-		redpine_dbg(ERR_ZONE,
-			"Invalid PS confirm type %x in state %s\n",
-			cfm_type, str_psstate(adapter->ps_state));
-		return -1;
-	}
-
-	return 0;
-}