Linux-libre 4.8.2-gnupck-4.8.2-gnu

7 files changed, 93 insertions, 74 deletions

diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c
index 8643801f3..231fd022f 100644
--- a/drivers/net/wireless/ath/wcn36xx/dxe.c
+++ b/drivers/net/wireless/ath/wcn36xx/dxe.c
@@ -35,26 +35,27 @@ void *wcn36xx_dxe_get_next_bd(struct wcn36xx *wcn, bool is_low)
 	return ch->head_blk_ctl->bd_cpu_addr;
 }
 
+static void wcn36xx_ccu_write_register(struct wcn36xx *wcn, int addr, int data)
+{
+	wcn36xx_dbg(WCN36XX_DBG_DXE,
+		    "wcn36xx_ccu_write_register: addr=%x, data=%x\n",
+		    addr, data);
+
+	writel(data, wcn->ccu_base + addr);
+}
+
 static void wcn36xx_dxe_write_register(struct wcn36xx *wcn, int addr, int data)
 {
 	wcn36xx_dbg(WCN36XX_DBG_DXE,
 		    "wcn36xx_dxe_write_register: addr=%x, data=%x\n",
 		    addr, data);
 
-	writel(data, wcn->mmio + addr);
+	writel(data, wcn->dxe_base + addr);
 }
 
-#define wcn36xx_dxe_write_register_x(wcn, reg, reg_data)		 \
-do {									 \
-	if (wcn->chip_version == WCN36XX_CHIP_3680)			 \
-		wcn36xx_dxe_write_register(wcn, reg ## _3680, reg_data); \
-	else								 \
-		wcn36xx_dxe_write_register(wcn, reg ## _3660, reg_data); \
-} while (0)								 \
-
 static void wcn36xx_dxe_read_register(struct wcn36xx *wcn, int addr, int *data)
 {
-	*data = readl(wcn->mmio + addr);
+	*data = readl(wcn->dxe_base + addr);
 
 	wcn36xx_dbg(WCN36XX_DBG_DXE,
 		    "wcn36xx_dxe_read_register: addr=%x, data=%x\n",
@@ -701,9 +702,13 @@ int wcn36xx_dxe_init(struct wcn36xx *wcn)
 	reg_data = WCN36XX_DXE_REG_RESET;
 	wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_REG_CSR_RESET, reg_data);
 
-	/* Setting interrupt path */
-	reg_data = WCN36XX_DXE_CCU_INT;
-	wcn36xx_dxe_write_register_x(wcn, WCN36XX_DXE_REG_CCU_INT, reg_data);
+	/* Select channels for rx avail and xfer done interrupts... */
+	reg_data = (WCN36XX_DXE_INT_CH3_MASK | WCN36XX_DXE_INT_CH1_MASK) << 16 |
+		    WCN36XX_DXE_INT_CH0_MASK | WCN36XX_DXE_INT_CH4_MASK;
+	if (wcn->is_pronto)
+		wcn36xx_ccu_write_register(wcn, WCN36XX_CCU_DXE_INT_SELECT_PRONTO, reg_data);
+	else
+		wcn36xx_ccu_write_register(wcn, WCN36XX_CCU_DXE_INT_SELECT_RIVA, reg_data);
 
 	/***************************************/
 	/* Init descriptors for TX LOW channel */
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.h b/drivers/net/wireless/ath/wcn36xx/dxe.h
index 3eca4f959..c012e8077 100644
--- a/drivers/net/wireless/ath/wcn36xx/dxe.h
+++ b/drivers/net/wireless/ath/wcn36xx/dxe.h
@@ -28,11 +28,10 @@ H2H_TEST_RX_TX = DMA2
 */
 
 /* DXE registers */
-#define WCN36XX_DXE_MEM_REG			0x202000
+#define WCN36XX_DXE_MEM_REG			0
 
-#define WCN36XX_DXE_CCU_INT			0xA0011
-#define WCN36XX_DXE_REG_CCU_INT_3660		0x200b10
-#define WCN36XX_DXE_REG_CCU_INT_3680		0x2050dc
+#define WCN36XX_CCU_DXE_INT_SELECT_RIVA		0x310
+#define WCN36XX_CCU_DXE_INT_SELECT_PRONTO	0x10dc
 
 /* TODO This must calculated properly but not hardcoded */
 #define WCN36XX_DXE_CTRL_TX_L			0x328a44
diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h
index 658bfb8ba..4f87ef1e1 100644
--- a/drivers/net/wireless/ath/wcn36xx/hal.h
+++ b/drivers/net/wireless/ath/wcn36xx/hal.h
@@ -4123,7 +4123,7 @@ struct wcn36xx_hal_update_scan_params_req {
 
 /* Update scan params - sent from host to PNO to be used during PNO
  * scanningx */
-struct update_scan_params_req_ex {
+struct wcn36xx_hal_update_scan_params_req_ex {
 
 	struct wcn36xx_hal_msg_header header;
 
@@ -4151,7 +4151,7 @@ struct update_scan_params_req_ex {
 
 	/* Cb State */
 	enum phy_chan_bond_state state;
-};
+} __packed;
 
 /* Update scan params - sent from host to PNO to be used during PNO
  * scanningx */
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index 8e2c5ff7a..22e584246 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -19,6 +19,8 @@
 #include <linux/module.h>
 #include <linux/firmware.h>
 #include <linux/platform_device.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
 #include "wcn36xx.h"
 
 unsigned int wcn36xx_dbg_mask;
@@ -259,17 +261,6 @@ static void wcn36xx_feat_caps_info(struct wcn36xx *wcn)
 	}
 }
 
-static void wcn36xx_detect_chip_version(struct wcn36xx *wcn)
-{
-	if (get_feat_caps(wcn->fw_feat_caps, DOT11AC)) {
-		wcn36xx_info("Chip is 3680\n");
-		wcn->chip_version = WCN36XX_CHIP_3680;
-	} else {
-		wcn36xx_info("Chip is 3660\n");
-		wcn->chip_version = WCN36XX_CHIP_3660;
-	}
-}
-
 static int wcn36xx_start(struct ieee80211_hw *hw)
 {
 	struct wcn36xx *wcn = hw->priv;
@@ -324,9 +315,6 @@ static int wcn36xx_start(struct ieee80211_hw *hw)
 			wcn36xx_feat_caps_info(wcn);
 	}
 
-	wcn36xx_detect_chip_version(wcn);
-	wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_ENABLE_MC_ADDR_LIST, 1);
-
 	/* DMA channel initialization */
 	ret = wcn36xx_dxe_init(wcn);
 	if (ret) {
@@ -1064,7 +1052,11 @@ static int wcn36xx_init_ieee80211(struct wcn36xx *wcn)
 static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
 					  struct platform_device *pdev)
 {
+	struct device_node *mmio_node;
 	struct resource *res;
+	int index;
+	int ret;
+
 	/* Set TX IRQ */
 	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
 					   "wcnss_wlantx_irq");
@@ -1083,19 +1075,40 @@ static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
 	}
 	wcn->rx_irq = res->start;
 
-	/* Map the memory */
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						 "wcnss_mmio");
-	if (!res) {
-		wcn36xx_err("failed to get mmio\n");
-		return -ENOENT;
+	mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0);
+	if (!mmio_node) {
+		wcn36xx_err("failed to acquire qcom,mmio reference\n");
+		return -EINVAL;
 	}
-	wcn->mmio = ioremap(res->start, resource_size(res));
-	if (!wcn->mmio) {
-		wcn36xx_err("failed to map io memory\n");
-		return -ENOMEM;
+
+	wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto");
+
+	/* Map the CCU memory */
+	index = of_property_match_string(mmio_node, "reg-names", "ccu");
+	wcn->ccu_base = of_iomap(mmio_node, index);
+	if (!wcn->ccu_base) {
+		wcn36xx_err("failed to map ccu memory\n");
+		ret = -ENOMEM;
+		goto put_mmio_node;
 	}
+
+	/* Map the DXE memory */
+	index = of_property_match_string(mmio_node, "reg-names", "dxe");
+	wcn->dxe_base = of_iomap(mmio_node, index);
+	if (!wcn->dxe_base) {
+		wcn36xx_err("failed to map dxe memory\n");
+		ret = -ENOMEM;
+		goto unmap_ccu;
+	}
+
+	of_node_put(mmio_node);
 	return 0;
+
+unmap_ccu:
+	iounmap(wcn->ccu_base);
+put_mmio_node:
+	of_node_put(mmio_node);
+	return ret;
 }
 
 static int wcn36xx_probe(struct platform_device *pdev)
@@ -1138,7 +1151,8 @@ static int wcn36xx_probe(struct platform_device *pdev)
 	return 0;
 
 out_unmap:
-	iounmap(wcn->mmio);
+	iounmap(wcn->ccu_base);
+	iounmap(wcn->dxe_base);
 out_wq:
 	ieee80211_free_hw(hw);
 out_err:
@@ -1154,7 +1168,8 @@ static int wcn36xx_remove(struct platform_device *pdev)
 	mutex_destroy(&wcn->hal_mutex);
 
 	ieee80211_unregister_hw(hw);
-	iounmap(wcn->mmio);
+	iounmap(wcn->dxe_base);
+	iounmap(wcn->ccu_base);
 	ieee80211_free_hw(hw);
 
 	return 0;
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 06c5ddcd3..f93299107 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -674,22 +674,25 @@ static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
 	return 0;
 }
 
-int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn)
+int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn,
+				   u8 *channels, size_t channel_count)
 {
-	struct wcn36xx_hal_update_scan_params_req msg_body;
+	struct wcn36xx_hal_update_scan_params_req_ex msg_body;
 	int ret = 0;
 
 	mutex_lock(&wcn->hal_mutex);
 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ);
 
-	msg_body.dot11d_enabled	= 0;
-	msg_body.dot11d_resolved = 0;
-	msg_body.channel_count = 26;
+	msg_body.dot11d_enabled	= false;
+	msg_body.dot11d_resolved = true;
+
+	msg_body.channel_count = channel_count;
+	memcpy(msg_body.channels, channels, channel_count);
 	msg_body.active_min_ch_time = 60;
 	msg_body.active_max_ch_time = 120;
 	msg_body.passive_min_ch_time = 60;
 	msg_body.passive_max_ch_time = 110;
-	msg_body.state = 0;
+	msg_body.state = PHY_SINGLE_CHANNEL_CENTERED;
 
 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 
@@ -2226,17 +2229,12 @@ static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len)
 
 	case WCN36XX_HAL_COEX_IND:
 	case WCN36XX_HAL_AVOID_FREQ_RANGE_IND:
+	case WCN36XX_HAL_DEL_BA_IND:
 	case WCN36XX_HAL_OTA_TX_COMPL_IND:
 	case WCN36XX_HAL_MISSED_BEACON_IND:
 	case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
-		msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL);
-		if (!msg_ind)
-			goto nomem;
-		msg_ind->msg_len = len;
-		msg_ind->msg = kmemdup(buf, len, GFP_KERNEL);
-		if (!msg_ind->msg) {
-			kfree(msg_ind);
-nomem:
+		msg_ind = kmalloc(sizeof(*msg_ind) + len, GFP_KERNEL);
+		if (!msg_ind) {
 			/*
 			 * FIXME: Do something smarter then just
 			 * printing an error.
@@ -2245,10 +2243,14 @@ nomem:
 				    msg_header->msg_type);
 			break;
 		}
-		mutex_lock(&wcn->hal_ind_mutex);
+
+		msg_ind->msg_len = len;
+		memcpy(msg_ind->msg, buf, len);
+
+		spin_lock(&wcn->hal_ind_lock);
 		list_add_tail(&msg_ind->list, &wcn->hal_ind_queue);
 		queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work);
-		mutex_unlock(&wcn->hal_ind_mutex);
+		spin_unlock(&wcn->hal_ind_lock);
 		wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n");
 		break;
 	default:
@@ -2262,8 +2264,9 @@ static void wcn36xx_ind_smd_work(struct work_struct *work)
 		container_of(work, struct wcn36xx, hal_ind_work);
 	struct wcn36xx_hal_msg_header *msg_header;
 	struct wcn36xx_hal_ind_msg *hal_ind_msg;
+	unsigned long flags;
 
-	mutex_lock(&wcn->hal_ind_mutex);
+	spin_lock_irqsave(&wcn->hal_ind_lock, flags);
 
 	hal_ind_msg = list_first_entry(&wcn->hal_ind_queue,
 				       struct wcn36xx_hal_ind_msg,
@@ -2273,6 +2276,7 @@ static void wcn36xx_ind_smd_work(struct work_struct *work)
 
 	switch (msg_header->msg_type) {
 	case WCN36XX_HAL_COEX_IND:
+	case WCN36XX_HAL_DEL_BA_IND:
 	case WCN36XX_HAL_AVOID_FREQ_RANGE_IND:
 		break;
 	case WCN36XX_HAL_OTA_TX_COMPL_IND:
@@ -2295,9 +2299,8 @@ static void wcn36xx_ind_smd_work(struct work_struct *work)
 			      msg_header->msg_type);
 	}
 	list_del(wcn->hal_ind_queue.next);
-	kfree(hal_ind_msg->msg);
+	spin_unlock_irqrestore(&wcn->hal_ind_lock, flags);
 	kfree(hal_ind_msg);
-	mutex_unlock(&wcn->hal_ind_mutex);
 }
 int wcn36xx_smd_open(struct wcn36xx *wcn)
 {
@@ -2310,7 +2313,7 @@ int wcn36xx_smd_open(struct wcn36xx *wcn)
 	}
 	INIT_WORK(&wcn->hal_ind_work, wcn36xx_ind_smd_work);
 	INIT_LIST_HEAD(&wcn->hal_ind_queue);
-	mutex_init(&wcn->hal_ind_mutex);
+	spin_lock_init(&wcn->hal_ind_lock);
 
 	ret = wcn->ctrl_ops->open(wcn, wcn36xx_smd_rsp_process);
 	if (ret) {
@@ -2330,5 +2333,4 @@ void wcn36xx_smd_close(struct wcn36xx *wcn)
 {
 	wcn->ctrl_ops->close();
 	destroy_workqueue(wcn->hal_ind_wq);
-	mutex_destroy(&wcn->hal_ind_mutex);
 }
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h
index d93e3fd73..df80cbbd9 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.h
+++ b/drivers/net/wireless/ath/wcn36xx/smd.h
@@ -46,8 +46,8 @@ struct wcn36xx_fw_msg_status_rsp {
 
 struct wcn36xx_hal_ind_msg {
 	struct list_head list;
-	u8 *msg;
 	size_t msg_len;
+	u8 msg[];
 };
 
 struct wcn36xx;
@@ -63,7 +63,7 @@ int wcn36xx_smd_start_scan(struct wcn36xx *wcn);
 int wcn36xx_smd_end_scan(struct wcn36xx *wcn);
 int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
 			    enum wcn36xx_hal_sys_mode mode);
-int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn);
+int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn, u8 *channels, size_t channel_count);
 int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif);
 int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr);
 int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index);
diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
index 051fb3338..a9a721b6b 100644
--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
+++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
@@ -193,7 +193,7 @@ struct wcn36xx {
 	u8			fw_minor;
 	u8			fw_major;
 	u32			fw_feat_caps[WCN36XX_HAL_CAPS_SIZE];
-	u32			chip_version;
+	bool			is_pronto;
 
 	/* extra byte for the NULL termination */
 	u8			crm_version[WCN36XX_HAL_VERSION_LENGTH + 1];
@@ -202,7 +202,8 @@ struct wcn36xx {
 	/* IRQs */
 	int			tx_irq;
 	int			rx_irq;
-	void __iomem		*mmio;
+	void __iomem		*ccu_base;
+	void __iomem		*dxe_base;
 
 	struct wcn36xx_platform_ctrl_ops *ctrl_ops;
 	/*
@@ -215,7 +216,7 @@ struct wcn36xx {
 	struct completion	hal_rsp_compl;
 	struct workqueue_struct	*hal_ind_wq;
 	struct work_struct	hal_ind_work;
-	struct mutex		hal_ind_mutex;
+	spinlock_t		hal_ind_lock;
 	struct list_head	hal_ind_queue;
 
 	/* DXE channels */
@@ -241,9 +242,6 @@ struct wcn36xx {
 
 };
 
-#define WCN36XX_CHIP_3660	0
-#define WCN36XX_CHIP_3680	1
-
 static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn,
 					 u8 major,
 					 u8 minor,