diff options
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/main.c | 67 |
1 files changed, 41 insertions, 26 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index a920d7020148..e1d59da2ad20 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; |