diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx')
35 files changed, 2765 insertions, 1431 deletions
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig index 785e024..337fc7b 100644 --- a/drivers/net/wireless/wl12xx/Kconfig +++ b/drivers/net/wireless/wl12xx/Kconfig @@ -51,3 +51,27 @@ config WL1271 If you choose to build a module, it'll be called wl1271. Say N if unsure. + +config WL1271_SPI + tristate "TI wl1271 SPI support" + depends on WL1271 && SPI_MASTER + ---help--- + This module adds support for the SPI interface of adapters using + TI wl1271 chipset. Select this if your platform is using + the SPI bus. + + If you choose to build a module, it'll be called wl1251_spi. + Say N if unsure. + +config WL1271_SDIO + tristate "TI wl1271 SDIO support" + depends on WL1271 && MMC && ARM + ---help--- + This module adds support for the SDIO interface of adapters using + TI wl1271 chipset. Select this if your platform is using + the SDIO bus. + + If you choose to build a module, it'll be called + wl1271_sdio. Say N if unsure. + + diff --git a/drivers/net/wireless/wl12xx/Makefile b/drivers/net/wireless/wl12xx/Makefile index f47ec94..27ddd2b 100644 --- a/drivers/net/wireless/wl12xx/Makefile +++ b/drivers/net/wireless/wl12xx/Makefile @@ -7,10 +7,12 @@ obj-$(CONFIG_WL1251) += wl1251.o obj-$(CONFIG_WL1251_SPI) += wl1251_spi.o obj-$(CONFIG_WL1251_SDIO) += wl1251_sdio.o -wl1271-objs = wl1271_main.o wl1271_spi.o wl1271_cmd.o \ +wl1271-objs = wl1271_main.o wl1271_cmd.o wl1271_io.o \ wl1271_event.o wl1271_tx.o wl1271_rx.o \ wl1271_ps.o wl1271_acx.o wl1271_boot.o \ - wl1271_init.o wl1271_debugfs.o wl1271_io.o + wl1271_init.o wl1271_debugfs.o wl1271-$(CONFIG_NL80211_TESTMODE) += wl1271_testmode.o obj-$(CONFIG_WL1271) += wl1271.o +obj-$(CONFIG_WL1271_SPI) += wl1271_spi.o +obj-$(CONFIG_WL1271_SDIO) += wl1271_sdio.o diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h index 37c61c1..4f5f02a 100644 --- a/drivers/net/wireless/wl12xx/wl1251.h +++ b/drivers/net/wireless/wl12xx/wl1251.h @@ -256,6 +256,8 @@ struct wl1251_debugfs { struct wl1251_if_operations { void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len); void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len); + void (*read_elp)(struct wl1251 *wl, int addr, u32 *val); + void (*write_elp)(struct wl1251 *wl, int addr, u32 val); void (*reset)(struct wl1251 *wl); void (*enable_irq)(struct wl1251 *wl); void (*disable_irq)(struct wl1251 *wl); diff --git a/drivers/net/wireless/wl12xx/wl1251_boot.c b/drivers/net/wireless/wl12xx/wl1251_boot.c index d5ac79a..2545123 100644 --- a/drivers/net/wireless/wl12xx/wl1251_boot.c +++ b/drivers/net/wireless/wl12xx/wl1251_boot.c @@ -497,7 +497,8 @@ int wl1251_boot(struct wl1251 *wl) /* 2. start processing NVS file */ if (wl->use_eeprom) { wl1251_reg_write32(wl, ACX_REG_EE_START, START_EEPROM_MGR); - msleep(4000); + /* Wait for EEPROM NVS burst read to complete */ + msleep(40); wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, USE_EEPROM); } else { ret = wl1251_boot_upload_nvs(wl); diff --git a/drivers/net/wireless/wl12xx/wl1251_io.h b/drivers/net/wireless/wl12xx/wl1251_io.h index b89d2ac..c545e9d 100644 --- a/drivers/net/wireless/wl12xx/wl1251_io.h +++ b/drivers/net/wireless/wl12xx/wl1251_io.h @@ -48,6 +48,26 @@ static inline void wl1251_write32(struct wl1251 *wl, int addr, u32 val) wl->if_ops->write(wl, addr, &val, sizeof(u32)); } +static inline u32 wl1251_read_elp(struct wl1251 *wl, int addr) +{ + u32 response; + + if (wl->if_ops->read_elp) + wl->if_ops->read_elp(wl, addr, &response); + else + wl->if_ops->read(wl, addr, &response, sizeof(u32)); + + return response; +} + +static inline void wl1251_write_elp(struct wl1251 *wl, int addr, u32 val) +{ + if (wl->if_ops->write_elp) + wl->if_ops->write_elp(wl, addr, val); + else + wl->if_ops->write(wl, addr, &val, sizeof(u32)); +} + /* Memory target IO, address is translated to partition 0 */ void wl1251_mem_read(struct wl1251 *wl, int addr, void *buf, size_t len); void wl1251_mem_write(struct wl1251 *wl, int addr, void *buf, size_t len); diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index 1c8226e..00b2428 100644 --- a/drivers/net/wireless/wl12xx/wl1251_main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -147,8 +147,8 @@ static void wl1251_fw_wakeup(struct wl1251 *wl) u32 elp_reg; elp_reg = ELPCTRL_WAKE_UP; - wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); - elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); + wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); + elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); if (!(elp_reg & ELPCTRL_WLAN_READY)) wl1251_warning("WLAN not ready"); @@ -202,8 +202,8 @@ static int wl1251_chip_wakeup(struct wl1251 *wl) goto out; } - /* No NVS from netlink, try to get it from the filesystem */ - if (wl->nvs == NULL) { + if (wl->nvs == NULL && !wl->use_eeprom) { + /* No NVS from netlink, try to get it from the filesystem */ ret = wl1251_fetch_nvs(wl); if (ret < 0) goto out; @@ -857,6 +857,7 @@ out: } static int wl1251_op_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, struct cfg80211_scan_request *req) { struct wl1251 *wl = hw->priv; @@ -1196,6 +1197,66 @@ static const struct ieee80211_ops wl1251_ops = { .conf_tx = wl1251_op_conf_tx, }; +static int wl1251_read_eeprom_byte(struct wl1251 *wl, off_t offset, u8 *data) +{ + unsigned long timeout; + + wl1251_reg_write32(wl, EE_ADDR, offset); + wl1251_reg_write32(wl, EE_CTL, EE_CTL_READ); + + /* EE_CTL_READ clears when data is ready */ + timeout = jiffies + msecs_to_jiffies(100); + while (1) { + if (!(wl1251_reg_read32(wl, EE_CTL) & EE_CTL_READ)) + break; + + if (time_after(jiffies, timeout)) + return -ETIMEDOUT; + + msleep(1); + } + + *data = wl1251_reg_read32(wl, EE_DATA); + return 0; +} + +static int wl1251_read_eeprom(struct wl1251 *wl, off_t offset, + u8 *data, size_t len) +{ + size_t i; + int ret; + + wl1251_reg_write32(wl, EE_START, 0); + + for (i = 0; i < len; i++) { + ret = wl1251_read_eeprom_byte(wl, offset + i, &data[i]); + if (ret < 0) + return ret; + } + + return 0; +} + +static int wl1251_read_eeprom_mac(struct wl1251 *wl) +{ + u8 mac[ETH_ALEN]; + int i, ret; + + wl1251_set_partition(wl, 0, 0, REGISTERS_BASE, REGISTERS_DOWN_SIZE); + + ret = wl1251_read_eeprom(wl, 0x1c, mac, sizeof(mac)); + if (ret < 0) { + wl1251_warning("failed to read MAC address from EEPROM"); + return ret; + } + + /* MAC is stored in reverse order */ + for (i = 0; i < ETH_ALEN; i++) + wl->mac_addr[i] = mac[ETH_ALEN - i - 1]; + + return 0; +} + static int wl1251_register_hw(struct wl1251 *wl) { int ret; @@ -1231,7 +1292,6 @@ int wl1251_init_ieee80211(struct wl1251 *wl) wl->hw->channel_change_time = 10000; wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_NOISE_DBM | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_BEACON_FILTER | IEEE80211_HW_SUPPORTS_UAPSD; @@ -1242,6 +1302,9 @@ int wl1251_init_ieee80211(struct wl1251 *wl) wl->hw->queues = 4; + if (wl->use_eeprom) + wl1251_read_eeprom_mac(wl); + ret = wl1251_register_hw(wl); if (ret) goto out; diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c index 851dfb6..b55cb2b 100644 --- a/drivers/net/wireless/wl12xx/wl1251_ps.c +++ b/drivers/net/wireless/wl12xx/wl1251_ps.c @@ -45,7 +45,7 @@ void wl1251_elp_work(struct work_struct *work) goto out; wl1251_debug(DEBUG_PSM, "chip to elp"); - wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP); + wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP); wl->elp = true; out: @@ -79,9 +79,9 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl) start = jiffies; timeout = jiffies + msecs_to_jiffies(WL1251_WAKEUP_TIMEOUT); - wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP); + wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP); - elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); + elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); /* * FIXME: we should wait for irq from chip but, as a temporary @@ -93,7 +93,7 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl) return -ETIMEDOUT; } msleep(1); - elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); + elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); } wl1251_debug(DEBUG_PSM, "wakeup time: %u ms", diff --git a/drivers/net/wireless/wl12xx/wl1251_reg.h b/drivers/net/wireless/wl12xx/wl1251_reg.h index 0ca3b43..d16edd9 100644 --- a/drivers/net/wireless/wl12xx/wl1251_reg.h +++ b/drivers/net/wireless/wl12xx/wl1251_reg.h @@ -46,7 +46,14 @@ #define SOR_CFG (REGISTERS_BASE + 0x0800) #define ECPU_CTRL (REGISTERS_BASE + 0x0804) #define HI_CFG (REGISTERS_BASE + 0x0808) + +/* EEPROM registers */ #define EE_START (REGISTERS_BASE + 0x080C) +#define EE_CTL (REGISTERS_BASE + 0x2000) +#define EE_DATA (REGISTERS_BASE + 0x2004) +#define EE_ADDR (REGISTERS_BASE + 0x2008) + +#define EE_CTL_READ 2 #define CHIP_ID_B (REGISTERS_BASE + 0x5674) diff --git a/drivers/net/wireless/wl12xx/wl1251_rx.c b/drivers/net/wireless/wl12xx/wl1251_rx.c index 6f229e0..8515158 100644 --- a/drivers/net/wireless/wl12xx/wl1251_rx.c +++ b/drivers/net/wireless/wl12xx/wl1251_rx.c @@ -74,12 +74,6 @@ static void wl1251_rx_status(struct wl1251 *wl, status->signal = desc->rssi; - /* - * FIXME: guessing that snr needs to be divided by two, otherwise - * the values don't make any sense - */ - status->noise = desc->rssi - desc->snr / 2; - status->freq = ieee80211_channel_to_frequency(desc->channel); status->flag |= RX_FLAG_TSFT; @@ -189,6 +183,4 @@ void wl1251_rx(struct wl1251 *wl) /* Finally, we need to ACK the RX */ wl1251_rx_ack(wl); - - return; } diff --git a/drivers/net/wireless/wl12xx/wl1251_sdio.c b/drivers/net/wireless/wl12xx/wl1251_sdio.c index 9423f22..d234285 100644 --- a/drivers/net/wireless/wl12xx/wl1251_sdio.c +++ b/drivers/net/wireless/wl12xx/wl1251_sdio.c @@ -20,20 +20,14 @@ * Copyright (C) 2009 Bob Copeland (me@bobcopeland.com) */ #include <linux/module.h> -#include <linux/crc7.h> #include <linux/mod_devicetable.h> -#include <linux/irq.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/sdio_ids.h> #include <linux/platform_device.h> +#include <linux/spi/wl12xx.h> +#include <linux/irq.h> #include "wl1251.h" -#include "wl12xx_80211.h" -#include "wl1251_reg.h" -#include "wl1251_ps.h" -#include "wl1251_io.h" -#include "wl1251_tx.h" -#include "wl1251_debugfs.h" #ifndef SDIO_VENDOR_ID_TI #define SDIO_VENDOR_ID_TI 0x104c @@ -43,6 +37,8 @@ #define SDIO_DEVICE_ID_TI_WL1251 0x9066 #endif +static struct wl12xx_platform_data *wl12xx_board_data; + static struct sdio_func *wl_to_func(struct wl1251 *wl) { return wl->if_priv; @@ -65,7 +61,8 @@ static const struct sdio_device_id wl1251_devices[] = { MODULE_DEVICE_TABLE(sdio, wl1251_devices); -void wl1251_sdio_read(struct wl1251 *wl, int addr, void *buf, size_t len) +static void wl1251_sdio_read(struct wl1251 *wl, int addr, + void *buf, size_t len) { int ret; struct sdio_func *func = wl_to_func(wl); @@ -77,7 +74,8 @@ void wl1251_sdio_read(struct wl1251 *wl, int addr, void *buf, size_t len) sdio_release_host(func); } -void wl1251_sdio_write(struct wl1251 *wl, int addr, void *buf, size_t len) +static void wl1251_sdio_write(struct wl1251 *wl, int addr, + void *buf, size_t len) { int ret; struct sdio_func *func = wl_to_func(wl); @@ -89,7 +87,33 @@ void wl1251_sdio_write(struct wl1251 *wl, int addr, void *buf, size_t len) sdio_release_host(func); } -void wl1251_sdio_reset(struct wl1251 *wl) +static void wl1251_sdio_read_elp(struct wl1251 *wl, int addr, u32 *val) +{ + int ret = 0; + struct sdio_func *func = wl_to_func(wl); + + sdio_claim_host(func); + *val = sdio_readb(func, addr, &ret); + sdio_release_host(func); + + if (ret) + wl1251_error("sdio_readb failed (%d)", ret); +} + +static void wl1251_sdio_write_elp(struct wl1251 *wl, int addr, u32 val) +{ + int ret = 0; + struct sdio_func *func = wl_to_func(wl); + + sdio_claim_host(func); + sdio_writeb(func, val, addr, &ret); + sdio_release_host(func); + + if (ret) + wl1251_error("sdio_writeb failed (%d)", ret); +} + +static void wl1251_sdio_reset(struct wl1251 *wl) { } @@ -111,19 +135,64 @@ static void wl1251_sdio_disable_irq(struct wl1251 *wl) sdio_release_host(func); } -void wl1251_sdio_set_power(bool enable) +/* Interrupts when using dedicated WLAN_IRQ pin */ +static irqreturn_t wl1251_line_irq(int irq, void *cookie) +{ + struct wl1251 *wl = cookie; + + ieee80211_queue_work(wl->hw, &wl->irq_work); + + return IRQ_HANDLED; +} + +static void wl1251_enable_line_irq(struct wl1251 *wl) { + return enable_irq(wl->irq); } -struct wl1251_if_operations wl1251_sdio_ops = { +static void wl1251_disable_line_irq(struct wl1251 *wl) +{ + return disable_irq(wl->irq); +} + +static void wl1251_sdio_set_power(bool enable) +{ +} + +static struct wl1251_if_operations wl1251_sdio_ops = { .read = wl1251_sdio_read, .write = wl1251_sdio_write, + .write_elp = wl1251_sdio_write_elp, + .read_elp = wl1251_sdio_read_elp, .reset = wl1251_sdio_reset, - .enable_irq = wl1251_sdio_enable_irq, - .disable_irq = wl1251_sdio_disable_irq, }; -int wl1251_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) +static int wl1251_platform_probe(struct platform_device *pdev) +{ + if (pdev->id != -1) { + wl1251_error("can only handle single device"); + return -ENODEV; + } + + wl12xx_board_data = pdev->dev.platform_data; + return 0; +} + +/* + * Dummy platform_driver for passing platform_data to this driver, + * until we have a way to pass this through SDIO subsystem or + * some other way. + */ +static struct platform_driver wl1251_platform_driver = { + .driver = { + .name = "wl1251_data", + .owner = THIS_MODULE, + }, + .probe = wl1251_platform_probe, +}; + +static int wl1251_sdio_probe(struct sdio_func *func, + const struct sdio_device_id *id) { int ret; struct wl1251 *wl; @@ -141,20 +210,50 @@ int wl1251_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) goto release; sdio_set_block_size(func, 512); + sdio_release_host(func); SET_IEEE80211_DEV(hw, &func->dev); wl->if_priv = func; wl->if_ops = &wl1251_sdio_ops; wl->set_power = wl1251_sdio_set_power; - sdio_release_host(func); + if (wl12xx_board_data != NULL) { + wl->set_power = wl12xx_board_data->set_power; + wl->irq = wl12xx_board_data->irq; + wl->use_eeprom = wl12xx_board_data->use_eeprom; + } + + if (wl->irq) { + ret = request_irq(wl->irq, wl1251_line_irq, 0, "wl1251", wl); + if (ret < 0) { + wl1251_error("request_irq() failed: %d", ret); + goto disable; + } + + set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); + disable_irq(wl->irq); + + wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq; + wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq; + + wl1251_info("using dedicated interrupt line"); + } else { + wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq; + wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq; + + wl1251_info("using SDIO interrupt"); + } + ret = wl1251_init_ieee80211(wl); if (ret) - goto disable; + goto out_free_irq; sdio_set_drvdata(func, wl); return ret; +out_free_irq: + if (wl->irq) + free_irq(wl->irq, wl); disable: sdio_claim_host(func); sdio_disable_func(func); @@ -167,6 +266,8 @@ static void __devexit wl1251_sdio_remove(struct sdio_func *func) { struct wl1251 *wl = sdio_get_drvdata(func); + if (wl->irq) + free_irq(wl->irq, wl); wl1251_free_hw(wl); sdio_claim_host(func); @@ -186,6 +287,12 @@ static int __init wl1251_sdio_init(void) { int err; + err = platform_driver_register(&wl1251_platform_driver); + if (err) { + wl1251_error("failed to register platform driver: %d", err); + return err; + } + err = sdio_register_driver(&wl1251_sdio_driver); if (err) wl1251_error("failed to register sdio driver: %d", err); @@ -195,6 +302,7 @@ static int __init wl1251_sdio_init(void) static void __exit wl1251_sdio_exit(void) { sdio_unregister_driver(&wl1251_sdio_driver); + platform_driver_unregister(&wl1251_platform_driver); wl1251_notice("unloaded"); } diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c index 3bfb59b..e814742 100644 --- a/drivers/net/wireless/wl12xx/wl1251_spi.c +++ b/drivers/net/wireless/wl12xx/wl1251_spi.c @@ -310,7 +310,7 @@ static int __devexit wl1251_spi_remove(struct spi_device *spi) static struct spi_driver wl1251_spi_driver = { .driver = { - .name = "wl1251", + .name = DRIVER_NAME, .bus = &spi_bus_type, .owner = THIS_MODULE, }, diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h index 97ea509..6f1b6b5 100644 --- a/drivers/net/wireless/wl12xx/wl1271.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -53,6 +53,9 @@ enum { DEBUG_MAC80211 = BIT(11), DEBUG_CMD = BIT(12), DEBUG_ACX = BIT(13), + DEBUG_SDIO = BIT(14), + DEBUG_FILTERS = BIT(15), + DEBUG_ADHOC = BIT(16), DEBUG_ALL = ~0, }; @@ -110,6 +113,9 @@ enum { #define WL1271_FW_NAME "wl1271-fw.bin" #define WL1271_NVS_NAME "wl1271-nvs.bin" +#define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) +#define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) + /* NVS data structure */ #define WL1271_NVS_SECTION_SIZE 468 @@ -142,14 +148,7 @@ struct wl1271_nvs_file { */ #undef WL1271_80211A_ENABLED -/* - * FIXME: for the wl1271, a busy word count of 1 here will result in a more - * optimal SPI interface. There is some SPI bug however, causing RXS time outs - * with this mode occasionally on boot, so lets have three for now. A value of - * three should make sure, that the chipset will always be ready, though this - * will impact throughput and latencies slightly. - */ -#define WL1271_BUSY_WORD_CNT 3 +#define WL1271_BUSY_WORD_CNT 1 #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32)) #define WL1271_ELP_HW_STATE_ASLEEP 0 @@ -334,11 +333,27 @@ struct wl1271_scan { u8 probe_requests; }; +struct wl1271_if_operations { + void (*read)(struct wl1271 *wl, int addr, void *buf, size_t len, + bool fixed); + void (*write)(struct wl1271 *wl, int addr, void *buf, size_t len, + bool fixed); + void (*reset)(struct wl1271 *wl); + void (*init)(struct wl1271 *wl); + void (*power)(struct wl1271 *wl, bool enable); + struct device* (*dev)(struct wl1271 *wl); + void (*enable_irq)(struct wl1271 *wl); + void (*disable_irq)(struct wl1271 *wl); +}; + struct wl1271 { + struct platform_device *plat_dev; struct ieee80211_hw *hw; bool mac80211_registered; - struct spi_device *spi; + void *if_priv; + + struct wl1271_if_operations *if_ops; void (*set_power)(bool enable); int irq; @@ -357,6 +372,9 @@ struct wl1271 { #define WL1271_FLAG_IN_ELP (6) #define WL1271_FLAG_PSM (7) #define WL1271_FLAG_PSM_REQUESTED (8) +#define WL1271_FLAG_IRQ_PENDING (9) +#define WL1271_FLAG_IRQ_RUNNING (10) +#define WL1271_FLAG_IDLE (11) unsigned long flags; struct wl1271_partition_set part; @@ -370,9 +388,12 @@ struct wl1271 { size_t fw_len; struct wl1271_nvs_file *nvs; + s8 hw_pg_ver; + u8 bssid[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; u8 bss_type; + u8 set_bss_type; u8 ssid[IW_ESSID_MAX_SIZE + 1]; u8 ssid_len; int channel; @@ -382,13 +403,13 @@ struct wl1271 { /* Accounting for allocated / available TX blocks on HW */ u32 tx_blocks_freed[NUM_TX_QUEUES]; u32 tx_blocks_available; - u8 tx_results_count; + u32 tx_results_count; /* Transmitted TX packets counter for chipset interface */ - int tx_packets_count; + u32 tx_packets_count; /* Time-offset between host and chipset clocks */ - int time_offset; + s64 time_offset; /* Session counter for the chipset */ int session_counter; @@ -403,8 +424,7 @@ struct wl1271 { /* Security sequence number counters */ u8 tx_security_last_seq; - u16 tx_security_seq_16; - u32 tx_security_seq_32; + s64 tx_security_seq; /* FW Rx counter */ u32 rx_counter; @@ -430,14 +450,19 @@ struct wl1271 { /* currently configured rate set */ u32 sta_rate_set; u32 basic_rate_set; + u32 basic_rate; u32 rate_set; /* The current band */ enum ieee80211_band band; + /* Beaconing interval (needed for ad-hoc) */ + u32 beacon_int; + /* Default key (for WEP) */ u32 default_key; + unsigned int filters; unsigned int rx_config; unsigned int rx_filter; @@ -450,10 +475,13 @@ struct wl1271 { /* in dBm */ int power_level; + int rssi_thold; + int last_rssi_event; + struct wl1271_stats stats; struct wl1271_debugfs debugfs; - u32 buffer_32; + __le32 buffer_32; u32 buffer_cmd; u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; @@ -465,6 +493,8 @@ struct wl1271 { /* Current chipset configuration */ struct conf_drv_settings conf; + bool sg_enabled; + struct list_head list; }; @@ -477,7 +507,8 @@ int wl1271_plt_stop(struct wl1271 *wl); #define WL1271_DEFAULT_POWER_LEVEL 0 -#define WL1271_TX_QUEUE_MAX_LENGTH 20 +#define WL1271_TX_QUEUE_LOW_WATERMARK 10 +#define WL1271_TX_QUEUE_HIGH_WATERMARK 25 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power on in case is has been shut down shortly before */ diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c index 3087824..e19e2f8 100644 --- a/drivers/net/wireless/wl12xx/wl1271_acx.c +++ b/drivers/net/wireless/wl12xx/wl1271_acx.c @@ -32,7 +32,6 @@ #include "wl1271.h" #include "wl12xx_80211.h" #include "wl1271_reg.h" -#include "wl1271_spi.h" #include "wl1271_ps.h" int wl1271_acx_wake_up_conditions(struct wl1271 *wl) @@ -137,12 +136,7 @@ int wl1271_acx_tx_power(struct wl1271 *wl, int power) goto out; } - /* - * FIXME: This is a workaround needed while we don't the correct - * calibration, to avoid distortions - */ - /* acx->current_tx_power = power * 10; */ - acx->current_tx_power = 120; + acx->current_tx_power = power * 10; ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx)); if (ret < 0) { @@ -511,12 +505,17 @@ out: return ret; } -int wl1271_acx_conn_monit_params(struct wl1271 *wl) +#define ACX_CONN_MONIT_DISABLE_VALUE 0xffffffff + +int wl1271_acx_conn_monit_params(struct wl1271 *wl, bool enable) { struct acx_conn_monit_params *acx; + u32 threshold = ACX_CONN_MONIT_DISABLE_VALUE; + u32 timeout = ACX_CONN_MONIT_DISABLE_VALUE; int ret; - wl1271_debug(DEBUG_ACX, "acx connection monitor parameters"); + wl1271_debug(DEBUG_ACX, "acx connection monitor parameters: %s", + enable ? "enabled" : "disabled"); acx = kzalloc(sizeof(*acx), GFP_KERNEL); if (!acx) { @@ -524,8 +523,13 @@ int wl1271_acx_conn_monit_params(struct wl1271 *wl) goto out; } - acx->synch_fail_thold = cpu_to_le32(wl->conf.conn.synch_fail_thold); - acx->bss_lose_timeout = cpu_to_le32(wl->conf.conn.bss_lose_timeout); + if (enable) { + threshold = wl->conf.conn.synch_fail_thold; + timeout = wl->conf.conn.bss_lose_timeout; + } + + acx->synch_fail_thold = cpu_to_le32(threshold); + acx->bss_lose_timeout = cpu_to_le32(timeout); ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS, acx, sizeof(*acx)); @@ -541,7 +545,7 @@ out: } -int wl1271_acx_sg_enable(struct wl1271 *wl) +int wl1271_acx_sg_enable(struct wl1271 *wl, bool enable) { struct acx_bt_wlan_coex *pta; int ret; @@ -554,7 +558,10 @@ int wl1271_acx_sg_enable(struct wl1271 *wl) goto out; } - pta->enable = SG_ENABLE; + if (enable) + pta->enable = wl->conf.sg.state; + else + pta->enable = CONF_SG_DISABLE; ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta)); if (ret < 0) { @@ -571,7 +578,7 @@ int wl1271_acx_sg_cfg(struct wl1271 *wl) { struct acx_bt_wlan_coex_param *param; struct conf_sg_settings *c = &wl->conf.sg; - int ret; + int i, ret; wl1271_debug(DEBUG_ACX, "acx sg cfg"); @@ -582,19 +589,9 @@ int wl1271_acx_sg_cfg(struct wl1271 *wl) } /* BT-WLAN coext parameters */ - param->per_threshold = cpu_to_le32(c->per_threshold); - param->max_scan_compensation_time = - cpu_to_le32(c->max_scan_compensation_time); - param->nfs_sample_interval = cpu_to_le16(c->nfs_sample_interval); - param->load_ratio = c->load_ratio; - param->auto_ps_mode = c->auto_ps_mode; - param->probe_req_compensation = c->probe_req_compensation; - param->scan_window_compensation = c->scan_window_compensation; - param->antenna_config = c->antenna_config; - param->beacon_miss_threshold = c->beacon_miss_threshold; - param->rate_adaptation_threshold = - cpu_to_le32(c->rate_adaptation_threshold); - param->rate_adaptation_snr = c->rate_adaptation_snr; + for (i = 0; i < CONF_SG_PARAMS_MAX; i++) + param->params[i] = cpu_to_le32(c->params[i]); + param->param_idx = CONF_SG_PARAMS_ALL; ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param)); if (ret < 0) { @@ -806,7 +803,7 @@ int wl1271_acx_rate_policies(struct wl1271 *wl) /* configure one basic rate class */ idx = ACX_TX_BASIC_RATE; - acx->rate_class[idx].enabled_rates = cpu_to_le32(wl->basic_rate_set); + acx->rate_class[idx].enabled_rates = cpu_to_le32(wl->basic_rate); acx->rate_class[idx].short_retry_limit = c->short_retry_limit; acx->rate_class[idx].long_retry_limit = c->long_retry_limit; acx->rate_class[idx].aflags = c->aflags; @@ -1143,3 +1140,129 @@ out: kfree(acx); return ret; } + +int wl1271_acx_keep_alive_mode(struct wl1271 *wl, bool enable) +{ + struct wl1271_acx_keep_alive_mode *acx = NULL; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx keep alive mode: %d", enable); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->enabled = enable; + + ret = wl1271_cmd_configure(wl, ACX_KEEP_ALIVE_MODE, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("acx keep alive mode failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid) +{ + struct wl1271_acx_keep_alive_config *acx = NULL; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx keep alive config"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->period = cpu_to_le32(wl->conf.conn.keep_alive_interval); + acx->index = index; + acx->tpl_validation = tpl_valid; + acx->trigger = ACX_KEEP_ALIVE_NO_TX; + + ret = wl1271_cmd_configure(wl, ACX_SET_KEEP_ALIVE_CONFIG, + acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("acx keep alive config failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable, + s16 thold, u8 hyst) +{ + struct wl1271_acx_rssi_snr_trigger *acx = NULL; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx rssi snr trigger"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + wl->last_rssi_event = -1; + + acx->pacing = cpu_to_le16(wl->conf.roam_trigger.trigger_pacing); + acx->metric = WL1271_ACX_TRIG_METRIC_RSSI_BEACON; + acx->type = WL1271_ACX_TRIG_TYPE_EDGE; + if (enable) + acx->enable = WL1271_ACX_TRIG_ENABLE; + else + acx->enable = WL1271_ACX_TRIG_DISABLE; + + acx->index = WL1271_ACX_TRIG_IDX_RSSI; + acx->dir = WL1271_ACX_TRIG_DIR_BIDIR; + acx->threshold = cpu_to_le16(thold); + acx->hysteresis = hyst; + + ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_TRIGGER, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("acx rssi snr trigger setting failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl) +{ + struct wl1271_acx_rssi_snr_avg_weights *acx = NULL; + struct conf_roam_trigger_settings *c = &wl->conf.roam_trigger; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx rssi snr avg weights"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->rssi_beacon = c->avg_weight_rssi_beacon; + acx->rssi_data = c->avg_weight_rssi_data; + acx->snr_beacon = c->avg_weight_snr_beacon; + acx->snr_data = c->avg_weight_snr_data; + + ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_WEIGHTS, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("acx rssi snr trigger weights failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h index aeccc98..420e7e2 100644 --- a/drivers/net/wireless/wl12xx/wl1271_acx.h +++ b/drivers/net/wireless/wl12xx/wl1271_acx.h @@ -392,81 +392,27 @@ struct acx_conn_monit_params { __le32 bss_lose_timeout; /* number of TU's from synch fail */ } __attribute__ ((packed)); -enum { - SG_ENABLE = 0, - SG_DISABLE, - SG_SENSE_NO_ACTIVITY, - SG_SENSE_ACTIVE -}; - struct acx_bt_wlan_coex { struct acx_header header; - /* - * 0 -> PTA enabled - * 1 -> PTA disabled - * 2 -> sense no active mode, i.e. - * an interrupt is sent upon - * BT activity. - * 3 -> PTA is switched on in response - * to the interrupt sending. - */ u8 enable; u8 pad[3]; } __attribute__ ((packed)); -struct acx_dco_itrim_params { +struct acx_bt_wlan_coex_param { struct acx_header header; - u8 enable; + __le32 params[CONF_SG_PARAMS_MAX]; + u8 param_idx; u8 padding[3]; - __le32 timeout; } __attribute__ ((packed)); -#define PTA_ANTENNA_TYPE_DEF (0) -#define PTA_BT_HP_MAXTIME_DEF (2000) -#define PTA_WLAN_HP_MAX_TIME_DEF (5000) -#define PTA_SENSE_DISABLE_TIMER_DEF (1350) -#define PTA_PROTECTIVE_RX_TIME_DEF (1500) -#define PTA_PROTECTIVE_TX_TIME_DEF (1500) -#define PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF (3000) -#define PTA_SIGNALING_TYPE_DEF (1) -#define PTA_AFH_LEVERAGE_ON_DEF (0) -#define PTA_NUMBER_QUIET_CYCLE_DEF (0) -#define PTA_MAX_NUM_CTS_DEF (3) -#define PTA_NUMBER_OF_WLAN_PACKETS_DEF (2) -#define PTA_NUMBER_OF_BT_PACKETS_DEF (2) -#define PTA_PROTECTIVE_RX_TIME_FAST_DEF (1500) -#define PTA_PROTECTIVE_TX_TIME_FAST_DEF (3000) -#define PTA_CYCLE_TIME_FAST_DEF (8700) -#define PTA_RX_FOR_AVALANCHE_DEF (5) -#define PTA_ELP_HP_DEF (0) -#define PTA_ANTI_STARVE_PERIOD_DEF (500) -#define PTA_ANTI_STARVE_NUM_CYCLE_DEF (4) -#define PTA_ALLOW_PA_SD_DEF (1) -#define PTA_TIME_BEFORE_BEACON_DEF (6300) -#define PTA_HPDM_MAX_TIME_DEF (1600) -#define PTA_TIME_OUT_NEXT_WLAN_DEF (2550) -#define PTA_AUTO_MODE_NO_CTS_DEF (0) -#define PTA_BT_HP_RESPECTED_DEF (3) -#define PTA_WLAN_RX_MIN_RATE_DEF (24) -#define PTA_ACK_MODE_DEF (1) - -struct acx_bt_wlan_coex_param { +struct acx_dco_itrim_params { struct acx_header header; - __le32 per_threshold; - __le32 max_scan_compensation_time; - __le16 nfs_sample_interval; - u8 load_ratio; - u8 auto_ps_mode; - u8 probe_req_compensation; - u8 scan_window_compensation; - u8 antenna_config; - u8 beacon_miss_threshold; - __le32 rate_adaptation_threshold; - s8 rate_adaptation_snr; + u8 enable; u8 padding[3]; + __le32 timeout; } __attribute__ ((packed)); struct acx_energy_detection { @@ -969,6 +915,84 @@ struct wl1271_acx_pm_config { u8 padding[3]; } __attribute__ ((packed)); +struct wl1271_acx_keep_alive_mode { + struct acx_header header; + + u8 enabled; + u8 padding[3]; +} __attribute__ ((packed)); + +enum { + ACX_KEEP_ALIVE_NO_TX = 0, + ACX_KEEP_ALIVE_PERIOD_ONLY +}; + +enum { + ACX_KEEP_ALIVE_TPL_INVALID = 0, + ACX_KEEP_ALIVE_TPL_VALID +}; + +struct wl1271_acx_keep_alive_config { + struct acx_header header; + + __le32 period; + u8 index; + u8 tpl_validation; + u8 trigger; + u8 padding; +} __attribute__ ((packed)); + +enum { + WL1271_ACX_TRIG_TYPE_LEVEL = 0, + WL1271_ACX_TRIG_TYPE_EDGE, +}; + +enum { + WL1271_ACX_TRIG_DIR_LOW = 0, + WL1271_ACX_TRIG_DIR_HIGH, + WL1271_ACX_TRIG_DIR_BIDIR, +}; + +enum { + WL1271_ACX_TRIG_ENABLE = 1, + WL1271_ACX_TRIG_DISABLE, +}; + +enum { + WL1271_ACX_TRIG_METRIC_RSSI_BEACON = 0, + WL1271_ACX_TRIG_METRIC_RSSI_DATA, + WL1271_ACX_TRIG_METRIC_SNR_BEACON, + WL1271_ACX_TRIG_METRIC_SNR_DATA, +}; + +enum { + WL1271_ACX_TRIG_IDX_RSSI = 0, + WL1271_ACX_TRIG_COUNT = 8, +}; + +struct wl1271_acx_rssi_snr_trigger { + struct acx_header header; + + __le16 threshold; + __le16 pacing; /* 0 - 60000 ms */ + u8 metric; + u8 type; + u8 dir; + u8 hysteresis; + u8 index; + u8 enable; + u8 padding[2]; +}; + +struct wl1271_acx_rssi_snr_avg_weights { + struct acx_header header; + + u8 rssi_beacon; + u8 rssi_data; + u8 snr_beacon; + u8 snr_data; +}; + enum { ACX_WAKE_UP_CONDITIONS = 0x0002, ACX_MEM_CFG = 0x0003, @@ -1017,8 +1041,8 @@ enum { ACX_FRAG_CFG = 0x004F, ACX_BET_ENABLE = 0x0050, ACX_RSSI_SNR_TRIGGER = 0x0051, - ACX_RSSI_SNR_WEIGHTS = 0x0051, - ACX_KEEP_ALIVE_MODE = 0x0052, + ACX_RSSI_SNR_WEIGHTS = 0x0052, + ACX_KEEP_ALIVE_MODE = 0x0053, ACX_SET_KEEP_ALIVE_CONFIG = 0x0054, ACX_BA_SESSION_RESPONDER_POLICY = 0x0055, ACX_BA_SESSION_INITIATOR_POLICY = 0x0056, @@ -1058,8 +1082,8 @@ int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold); int wl1271_acx_dco_itrim_params(struct wl1271 *wl); int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter); int wl1271_acx_beacon_filter_table(struct wl1271 *wl); -int wl1271_acx_conn_monit_params(struct wl1271 *wl); -int wl1271_acx_sg_enable(struct wl1271 *wl); +int wl1271_acx_conn_monit_params(struct wl1271 *wl, bool enable); +int wl1271_acx_sg_enable(struct wl1271 *wl, bool enable); int wl1271_acx_sg_cfg(struct wl1271 *wl); int wl1271_acx_cca_threshold(struct wl1271 *wl); int wl1271_acx_bcn_dtim_options(struct wl1271 *wl); @@ -1085,5 +1109,10 @@ int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable); int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, u8 *address, u8 version); int wl1271_acx_pm_config(struct wl1271 *wl); +int wl1271_acx_keep_alive_mode(struct wl1271 *wl, bool enable); +int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid); +int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable, + s16 thold, u8 hyst); +int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl); #endif /* __WL1271_ACX_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c index 0243562..1a36d8a 100644 --- a/drivers/net/wireless/wl12xx/wl1271_boot.c +++ b/drivers/net/wireless/wl12xx/wl1271_boot.c @@ -1,7 +1,7 @@ /* * This file is part of wl1271 * - * Copyright (C) 2008-2009 Nokia Corporation + * Copyright (C) 2008-2010 Nokia Corporation * * Contact: Luciano Coelho <luciano.coelho@nokia.com> * @@ -27,7 +27,6 @@ #include "wl1271_acx.h" #include "wl1271_reg.h" #include "wl1271_boot.h" -#include "wl1271_spi.h" #include "wl1271_io.h" #include "wl1271_event.h" @@ -230,6 +229,14 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl) nvs_len = sizeof(wl->nvs->nvs); nvs_ptr = (u8 *)wl->nvs->nvs; + /* update current MAC address to NVS */ + nvs_ptr[11] = wl->mac_addr[0]; + nvs_ptr[10] = wl->mac_addr[1]; + nvs_ptr[6] = wl->mac_addr[2]; + nvs_ptr[5] = wl->mac_addr[3]; + nvs_ptr[4] = wl->mac_addr[4]; + nvs_ptr[3] = wl->mac_addr[5]; + /* * Layout before the actual NVS tables: * 1 byte : burst length. @@ -300,7 +307,7 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl) static void wl1271_boot_enable_interrupts(struct wl1271 *wl) { - enable_irq(wl->irq); + wl1271_enable_interrupts(wl); wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); wl1271_write32(wl, HI_CFG, HI_CFG_DEF_VAL); @@ -344,7 +351,7 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl) static int wl1271_boot_run_firmware(struct wl1271 *wl) { int loop, ret; - u32 chip_id, interrupt; + u32 chip_id, intr; wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT); @@ -361,15 +368,15 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl) loop = 0; while (loop++ < INIT_LOOP) { udelay(INIT_LOOP_DELAY); - interrupt = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); + intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); - if (interrupt == 0xffffffff) { + if (intr == 0xffffffff) { wl1271_error("error reading hardware complete " "init indication"); return -EIO; } /* check that ACX_INTR_INIT_COMPLETE is enabled */ - else if (interrupt & WL1271_ACX_INTR_INIT_COMPLETE) { + else if (intr & WL1271_ACX_INTR_INIT_COMPLETE) { wl1271_write32(wl, ACX_REG_INTERRUPT_ACK, WL1271_ACX_INTR_INIT_COMPLETE); break; @@ -404,7 +411,10 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl) /* unmask required mbox events */ wl->event_mask = BSS_LOSE_EVENT_ID | SCAN_COMPLETE_EVENT_ID | - PS_REPORT_EVENT_ID; + PS_REPORT_EVENT_ID | + JOIN_EVENT_COMPLETE_ID | + DISCONNECT_EVENT_COMPLETE_ID | + RSSI_SNR_TRIGGER_0_EVENT_ID; ret = wl1271_event_unmask(wl); if (ret < 0) { @@ -431,11 +441,23 @@ static int wl1271_boot_write_irq_polarity(struct wl1271 *wl) return 0; } +static void wl1271_boot_hw_version(struct wl1271 *wl) +{ + u32 fuse; + + fuse = wl1271_top_reg_read(wl, REG_FUSE_DATA_2_1); + fuse = (fuse & PG_VER_MASK) >> PG_VER_OFFSET; + + wl->hw_pg_ver = (s8)fuse; +} + int wl1271_boot(struct wl1271 *wl) { int ret = 0; u32 tmp, clk, pause; + wl1271_boot_hw_version(wl); + if (REF_CLOCK == 0 || REF_CLOCK == 2 || REF_CLOCK == 4) /* ref clk: 19.2/38.4/38.4-XTAL */ clk = 0x3; @@ -445,11 +467,15 @@ int wl1271_boot(struct wl1271 *wl) if (REF_CLOCK != 0) { u16 val; - /* Set clock type */ + /* Set clock type (open drain) */ val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE); val &= FREF_CLK_TYPE_BITS; - val |= CLK_REQ_PRCM; wl1271_top_reg_write(wl, OCP_REG_CLK_TYPE, val); + + /* Set clock pull mode (no pull) */ + val = wl1271_top_reg_read(wl, OCP_REG_CLK_PULL); + val |= NO_PULL; + wl1271_top_reg_write(wl, OCP_REG_CLK_PULL, val); } else { u16 val; /* Set clock polarity */ diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.h b/drivers/net/wireless/wl12xx/wl1271_boot.h index 412443e..f829699 100644 --- a/drivers/net/wireless/wl12xx/wl1271_boot.h +++ b/drivers/net/wireless/wl12xx/wl1271_boot.h @@ -53,10 +53,16 @@ struct wl1271_static_data { #define OCP_REG_POLARITY 0x0064 #define OCP_REG_CLK_TYPE 0x0448 #define OCP_REG_CLK_POLARITY 0x0cb2 +#define OCP_REG_CLK_PULL 0x0cb4 -#define CMD_MBOX_ADDRESS 0x407B4 +#define REG_FUSE_DATA_2_1 0x050a +#define PG_VER_MASK 0x3c +#define PG_VER_OFFSET 2 -#define POLARITY_LOW BIT(1) +#define CMD_MBOX_ADDRESS 0x407B4 + +#define POLARITY_LOW BIT(1) +#define NO_PULL (BIT(14) | BIT(15)) #define FREF_CLK_TYPE_BITS 0xfffffe7f #define CLK_REQ_PRCM 0x100 diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c index e7832f3..19393e2 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.c +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c @@ -1,7 +1,7 @@ /* * This file is part of wl1271 * - * Copyright (C) 2009 Nokia Corporation + * Copyright (C) 2009-2010 Nokia Corporation * * Contact: Luciano Coelho <luciano.coelho@nokia.com> * @@ -26,15 +26,18 @@ #include <linux/crc7.h> #include <linux/spi/spi.h> #include <linux/etherdevice.h> +#include <linux/ieee80211.h> #include <linux/slab.h> #include "wl1271.h" #include "wl1271_reg.h" -#include "wl1271_spi.h" #include "wl1271_io.h" #include "wl1271_acx.h" #include "wl12xx_80211.h" #include "wl1271_cmd.h" +#include "wl1271_event.h" + +#define WL1271_CMD_FAST_POLL_COUNT 50 /* * send command to firmware @@ -52,6 +55,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, u32 intr; int ret = 0; u16 status; + u16 poll_count = 0; cmd = buf; cmd->id = cpu_to_le16(id); @@ -73,7 +77,11 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, goto out; } - msleep(1); + poll_count++; + if (poll_count < WL1271_CMD_FAST_POLL_COUNT) + udelay(10); + else + msleep(1); intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); } @@ -249,7 +257,36 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl) return ret; } -int wl1271_cmd_join(struct wl1271 *wl) +/* + * Poll the mailbox event field until any of the bits in the mask is set or a + * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) + */ +static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) +{ + u32 events_vector, event; + unsigned long timeout; + + timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); + + do { + if (time_after(jiffies, timeout)) + return -ETIMEDOUT; + + msleep(1); + + /* read from both event fields */ + wl1271_read(wl, wl->mbox_ptr[0], &events_vector, + sizeof(events_vector), false); + event = events_vector & mask; + wl1271_read(wl, wl->mbox_ptr[1], &events_vector, + sizeof(events_vector), false); + event |= events_vector & mask; + } while (!event); + + return 0; +} + +int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type) { static bool do_cal = true; struct wl1271_cmd_join *join; @@ -280,30 +317,13 @@ int wl1271_cmd_join(struct wl1271 *wl) join->rx_config_options = cpu_to_le32(wl->rx_config); join->rx_filter_options = cpu_to_le32(wl->rx_filter); - join->bss_type = wl->bss_type; + join->bss_type = bss_type; + join->basic_rate_set = cpu_to_le32(wl->basic_rate_set); - /* - * 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 = cpu_to_le32(0); - join->rx_filter_options = cpu_to_le32(WL1271_DEFAULT_RX_FILTER); - - if (wl->band == IEEE80211_BAND_2GHZ) - join->basic_rate_set = cpu_to_le32(CONF_HW_BIT_RATE_1MBPS | - CONF_HW_BIT_RATE_2MBPS | - CONF_HW_BIT_RATE_5_5MBPS | - CONF_HW_BIT_RATE_11MBPS); - else { + if (wl->band == IEEE80211_BAND_5GHZ) join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ; - join->basic_rate_set = cpu_to_le32(CONF_HW_BIT_RATE_6MBPS | - CONF_HW_BIT_RATE_12MBPS | - CONF_HW_BIT_RATE_24MBPS); - } - join->beacon_interval = cpu_to_le16(WL1271_DEFAULT_BEACON_INT); + join->beacon_interval = cpu_to_le16(wl->beacon_int); join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD; join->channel = wl->channel; @@ -320,8 +340,7 @@ int wl1271_cmd_join(struct wl1271 *wl) /* reset TX security counters */ wl->tx_security_last_seq = 0; - wl->tx_security_seq_16 = 0; - wl->tx_security_seq_32 = 0; + wl->tx_security_seq = 0; ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join), 0); if (ret < 0) { @@ -329,11 +348,9 @@ int wl1271_cmd_join(struct wl1271 *wl) goto out_free; } - /* - * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to - * simplify locking we just sleep instead, for now - */ - msleep(10); + ret = wl1271_cmd_wait_for_event(wl, JOIN_EVENT_COMPLETE_ID); + if (ret < 0) + wl1271_error("cmd join event completion error"); out_free: kfree(join); @@ -465,7 +482,7 @@ int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) if (ret < 0) { wl1271_error("tx %s cmd for channel %d failed", enable ? "start" : "stop", cmd->channel); - return ret; + goto out; } wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", @@ -499,7 +516,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send) ps_params->ps_mode = ps_mode; ps_params->send_null_data = send; ps_params->retries = 5; - ps_params->hang_over_period = 128; + ps_params->hang_over_period = 1; ps_params->null_data_rate = cpu_to_le32(1); /* 1 Mbps */ ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, @@ -549,25 +566,29 @@ out: return ret; } -int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, - u8 active_scan, u8 high_prio, u8 band, - u8 probe_requests) +int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, + const u8 *ie, size_t ie_len, u8 active_scan, + u8 high_prio, u8 band, u8 probe_requests) { struct wl1271_cmd_trigger_scan_to *trigger = NULL; struct wl1271_cmd_scan *params = NULL; struct ieee80211_channel *channels; + u32 rate; int i, j, n_ch, ret; u16 scan_options = 0; u8 ieee_band; - if (band == WL1271_SCAN_BAND_2_4_GHZ) + if (band == WL1271_SCAN_BAND_2_4_GHZ) { ieee_band = IEEE80211_BAND_2GHZ; - else if (band == WL1271_SCAN_BAND_DUAL && wl1271_11a_enabled()) + rate = wl->conf.tx.basic_rate; + } else if (band == WL1271_SCAN_BAND_DUAL && wl1271_11a_enabled()) { ieee_band = IEEE80211_BAND_2GHZ; - else if (band == WL1271_SCAN_BAND_5_GHZ && wl1271_11a_enabled()) + rate = wl->conf.tx.basic_rate; + } else if (band == WL1271_SCAN_BAND_5_GHZ && wl1271_11a_enabled()) { ieee_band = IEEE80211_BAND_5GHZ; - else + rate = wl->conf.tx.basic_rate_5; + } else return -EINVAL; if (wl->hw->wiphy->bands[ieee_band]->channels == NULL) @@ -594,8 +615,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, params->params.scan_options = cpu_to_le16(scan_options); params->params.num_probe_requests = probe_requests; - /* Let the fw autodetect suitable tx_rate for probes */ - params->params.tx_rate = 0; + params->params.tx_rate = cpu_to_le32(rate); params->params.tid_trigger = 0; params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; @@ -622,12 +642,13 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, params->params.num_channels = j; - if (len && ssid) { - params->params.ssid_len = len; - memcpy(params->params.ssid, ssid, len); + if (ssid_len && ssid) { + params->params.ssid_len = ssid_len; + memcpy(params->params.ssid, ssid, ssid_len); } - ret = wl1271_cmd_build_probe_req(wl, ssid, len, ieee_band); + ret = wl1271_cmd_build_probe_req(wl, ssid, ssid_len, + ie, ie_len, ieee_band); if (ret < 0) { wl1271_error("PROBE request template failed"); goto out; @@ -658,9 +679,9 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, wl->scan.active = active_scan; wl->scan.high_prio = high_prio; wl->scan.probe_requests = probe_requests; - if (len && ssid) { - wl->scan.ssid_len = len; - memcpy(wl->scan.ssid, ssid, len); + if (ssid_len && ssid) { + wl->scan.ssid_len = ssid_len; + memcpy(wl->scan.ssid, ssid, ssid_len); } else wl->scan.ssid_len = 0; } @@ -675,11 +696,12 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, out: kfree(params); + kfree(trigger); return ret; } int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, - void *buf, size_t buf_len) + void *buf, size_t buf_len, int index, u32 rates) { struct wl1271_cmd_template_set *cmd; int ret = 0; @@ -697,9 +719,10 @@ int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, cmd->len = cpu_to_le16(buf_len); cmd->template_type = template_id; - cmd->enabled_rates = cpu_to_le32(wl->conf.tx.rc_conf.enabled_rates); + cmd->enabled_rates = cpu_to_le32(rates); cmd->short_retry_limit = wl->conf.tx.rc_conf.short_retry_limit; cmd->long_retry_limit = wl->conf.tx.rc_conf.long_retry_limit; + cmd->index = index; if (buf) memcpy(cmd->template_data, buf, buf_len); @@ -717,155 +740,129 @@ out: return ret; } -static int wl1271_build_basic_rates(u8 *rates, u8 band) +int wl1271_cmd_build_null_data(struct wl1271 *wl) { - u8 index = 0; - - if (band == IEEE80211_BAND_2GHZ) { - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; - } else if (band == IEEE80211_BAND_5GHZ) { - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB; - } else { - wl1271_error("build_basic_rates invalid band: %d", band); - } + struct sk_buff *skb = NULL; + int size; + void *ptr; + int ret = -ENOMEM; - return index; -} -static int wl1271_build_extended_rates(u8 *rates, u8 band) -{ - u8 index = 0; - - if (band == IEEE80211_BAND_2GHZ) { - rates[index++] = IEEE80211_OFDM_RATE_6MB; - rates[index++] = IEEE80211_OFDM_RATE_9MB; - rates[index++] = IEEE80211_OFDM_RATE_12MB; - rates[index++] = IEEE80211_OFDM_RATE_18MB; - rates[index++] = IEEE80211_OFDM_RATE_24MB; - rates[index++] = IEEE80211_OFDM_RATE_36MB; - rates[index++] = IEEE80211_OFDM_RATE_48MB; - rates[index++] = IEEE80211_OFDM_RATE_54MB; - } else if (band == IEEE80211_BAND_5GHZ) { - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB; - rates[index++] = - IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB; + if (wl->bss_type == BSS_TYPE_IBSS) { + size = sizeof(struct wl12xx_null_data_template); + ptr = NULL; } else { - wl1271_error("build_basic_rates invalid band: %d", band); + skb = ieee80211_nullfunc_get(wl->hw, wl->vif); + if (!skb) + goto out; + size = skb->len; + ptr = skb->data; } - return index; + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0, + WL1271_RATE_AUTOMATIC); + +out: + dev_kfree_skb(skb); + if (ret) + wl1271_warning("cmd buld null data failed %d", ret); + + return ret; + } -int wl1271_cmd_build_null_data(struct wl1271 *wl) +int wl1271_cmd_build_klv_null_data(struct wl1271 *wl) { - struct wl12xx_null_data_template template; + struct sk_buff *skb = NULL; + int ret = -ENOMEM; - if (!is_zero_ether_addr(wl->bssid)) { - memcpy(template.header.da, wl->bssid, ETH_ALEN); - memcpy(template.header.bssid, wl->bssid, ETH_ALEN); - } else { - memset(template.header.da, 0xff, ETH_ALEN); - memset(template.header.bssid, 0xff, ETH_ALEN); - } + skb = ieee80211_nullfunc_get(wl->hw, wl->vif); + if (!skb) + goto out; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, + skb->data, skb->len, + CMD_TEMPL_KLV_IDX_NULL_DATA, + WL1271_RATE_AUTOMATIC); - memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); - template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | - IEEE80211_STYPE_NULLFUNC | - IEEE80211_FCTL_TODS); +out: + dev_kfree_skb(skb); + if (ret) + wl1271_warning("cmd build klv null data failed %d", ret); - return wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, &template, - sizeof(template)); + return ret; } int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid) { - struct wl12xx_ps_poll_template template; - - memcpy(template.bssid, wl->bssid, ETH_ALEN); - memcpy(template.ta, wl->mac_addr, ETH_ALEN); - - /* aid in PS-Poll has its two MSBs each set to 1 */ - template.aid = cpu_to_le16(1 << 15 | 1 << 14 | aid); + struct sk_buff *skb; + int ret = 0; - template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); + skb = ieee80211_pspoll_get(wl->hw, wl->vif); + if (!skb) + goto out; - return wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, &template, - sizeof(template)); + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data, + skb->len, 0, wl->basic_rate); +out: + dev_kfree_skb(skb); + return ret; } -int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len, - u8 band) +int wl1271_cmd_build_probe_req(struct wl1271 *wl, + const u8 *ssid, size_t ssid_len, + const u8 *ie, size_t ie_len, u8 band) { - struct wl12xx_probe_req_template template; - struct wl12xx_ie_rates *rates; - char *ptr; - u16 size; + struct sk_buff *skb; int ret; - ptr = (char *)&template; - size = sizeof(struct ieee80211_header); - - memset(template.header.da, 0xff, ETH_ALEN); - memset(template.header.bssid, 0xff, ETH_ALEN); - memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); - template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); - - /* IEs */ - /* SSID */ - template.ssid.header.id = WLAN_EID_SSID; - template.ssid.header.len = ssid_len; - if (ssid_len && ssid) - memcpy(template.ssid.ssid, ssid, ssid_len); - size += sizeof(struct wl12xx_ie_header) + ssid_len; - ptr += size; - - /* Basic Rates */ - rates = (struct wl12xx_ie_rates *)ptr; - rates->header.id = WLAN_EID_SUPP_RATES; - rates->header.len = wl1271_build_basic_rates(rates->rates, band); - size += sizeof(struct wl12xx_ie_header) + rates->header.len; - ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; - - /* Extended rates */ - rates = (struct wl12xx_ie_rates *)ptr; - rates->header.id = WLAN_EID_EXT_SUPP_RATES; - rates->header.len = wl1271_build_extended_rates(rates->rates, band); - size += sizeof(struct wl12xx_ie_header) + rates->header.len; - - wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); + skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len, + ie, ie_len); + if (!skb) { + ret = -ENOMEM; + goto out; + } + + wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); if (band == IEEE80211_BAND_2GHZ) ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, - &template, size); + skb->data, skb->len, 0, + wl->conf.tx.basic_rate); else ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5, - &template, size); + skb->data, skb->len, 0, + wl->conf.tx.basic_rate_5); + +out: + dev_kfree_skb(skb); return ret; } +int wl1271_build_qos_null_data(struct wl1271 *wl) +{ + struct ieee80211_qos_hdr template; + + memset(&template, 0, sizeof(template)); + + memcpy(template.addr1, wl->bssid, ETH_ALEN); + memcpy(template.addr2, wl->mac_addr, ETH_ALEN); + memcpy(template.addr3, wl->bssid, ETH_ALEN); + + template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_QOS_NULLFUNC | + IEEE80211_FCTL_TODS); + + /* FIXME: not sure what priority to use here */ + template.qos_ctrl = cpu_to_le16(0); + + return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template, + sizeof(template), 0, + WL1271_RATE_AUTOMATIC); +} + int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id) { struct wl1271_cmd_set_keys *cmd; @@ -976,6 +973,10 @@ int wl1271_cmd_disconnect(struct wl1271 *wl) goto out_free; } + ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID); + if (ret < 0) + wl1271_error("cmd disconnect event completion error"); + out_free: kfree(cmd); diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h index 2dc06c7..f2820b4 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.h +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h @@ -33,7 +33,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, size_t res_len); int wl1271_cmd_general_parms(struct wl1271 *wl); int wl1271_cmd_radio_parms(struct wl1271 *wl); -int wl1271_cmd_join(struct wl1271 *wl); +int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type); int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer); int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len); int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len); @@ -41,15 +41,18 @@ int wl1271_cmd_data_path(struct wl1271 *wl, bool enable); int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send); int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer, size_t len); -int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, - u8 active_scan, u8 high_prio, u8 band, - u8 probe_requests); +int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, + const u8 *ie, size_t ie_len, u8 active_scan, + u8 high_prio, u8 band, u8 probe_requests); int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, - void *buf, size_t buf_len); + void *buf, size_t buf_len, int index, u32 rates); int wl1271_cmd_build_null_data(struct wl1271 *wl); int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid); -int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len, - u8 band); +int wl1271_cmd_build_probe_req(struct wl1271 *wl, + const u8 *ssid, size_t ssid_len, + const u8 *ie, size_t ie_len, u8 band); +int wl1271_build_qos_null_data(struct wl1271 *wl); +int wl1271_cmd_build_klv_null_data(struct wl1271 *wl); int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id); int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, u8 key_size, const u8 *key, const u8 *addr, @@ -99,6 +102,11 @@ enum wl1271_commands { #define MAX_CMD_PARAMS 572 +enum { + CMD_TEMPL_KLV_IDX_NULL_DATA = 0, + CMD_TEMPL_KLV_IDX_MAX = 4 +}; + enum cmd_templ { CMD_TEMPL_NULL_DATA = 0, CMD_TEMPL_BEACON, @@ -121,6 +129,7 @@ enum cmd_templ { /* unit ms */ #define WL1271_COMMAND_TIMEOUT 2000 #define WL1271_CMD_TEMPL_MAX_SIZE 252 +#define WL1271_EVENT_TIMEOUT 750 struct wl1271_cmd_header { __le16 id; @@ -243,6 +252,8 @@ struct cmd_enabledisable_path { u8 padding[3]; } __attribute__ ((packed)); +#define WL1271_RATE_AUTOMATIC 0 + struct wl1271_cmd_template_set { struct wl1271_cmd_header header; @@ -509,6 +520,8 @@ enum wl1271_disconnect_type { }; struct wl1271_cmd_disconnect { + struct wl1271_cmd_header header; + __le32 rx_config_options; __le32 rx_filter_options; diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h index 6f9e75c..d046d04 100644 --- a/drivers/net/wireless/wl12xx/wl1271_conf.h +++ b/drivers/net/wireless/wl12xx/wl1271_conf.h @@ -65,110 +65,344 @@ enum { CONF_HW_RATE_INDEX_MAX = CONF_HW_RATE_INDEX_54MBPS, }; -struct conf_sg_settings { +enum { + CONF_HW_RXTX_RATE_MCS7 = 0, + CONF_HW_RXTX_RATE_MCS6, + CONF_HW_RXTX_RATE_MCS5, + CONF_HW_RXTX_RATE_MCS4, + CONF_HW_RXTX_RATE_MCS3, + CONF_HW_RXTX_RATE_MCS2, + CONF_HW_RXTX_RATE_MCS1, + CONF_HW_RXTX_RATE_MCS0, + CONF_HW_RXTX_RATE_54, + CONF_HW_RXTX_RATE_48, + CONF_HW_RXTX_RATE_36, + CONF_HW_RXTX_RATE_24, + CONF_HW_RXTX_RATE_22, + CONF_HW_RXTX_RATE_18, + CONF_HW_RXTX_RATE_12, + CONF_HW_RXTX_RATE_11, + CONF_HW_RXTX_RATE_9, + CONF_HW_RXTX_RATE_6, + CONF_HW_RXTX_RATE_5_5, + CONF_HW_RXTX_RATE_2, + CONF_HW_RXTX_RATE_1, + CONF_HW_RXTX_RATE_MAX, + CONF_HW_RXTX_RATE_UNSUPPORTED = 0xff +}; + +enum { + CONF_SG_DISABLE = 0, + CONF_SG_PROTECTIVE, + CONF_SG_OPPORTUNISTIC +}; + +enum { /* - * Defines the PER threshold in PPM of the BT voice of which reaching - * this value will trigger raising the priority of the BT voice by - * the BT IP until next NFS sample interval time as defined in - * nfs_sample_interval. + * PER threshold in PPM of the BT voice * - * Unit: PER value in PPM (parts per million) - * #Error_packets / #Total_packets + * Range: 0 - 10000000 + */ + CONF_SG_BT_PER_THRESHOLD = 0, - * Range: u32 + /* + * Number of consequent RX_ACTIVE activities to override BT voice + * frames to ensure WLAN connection + * + * Range: 0 - 100 + */ + CONF_SG_HV3_MAX_OVERRIDE, + + /* + * Defines the PER threshold of the BT voice + * + * Range: 0 - 65000 + */ + CONF_SG_BT_NFS_SAMPLE_INTERVAL, + + /* + * Defines the load ratio of BT + * + * Range: 0 - 100 (%) + */ + CONF_SG_BT_LOAD_RATIO, + + /* + * Defines whether the SG will force WLAN host to enter/exit PSM + * + * Range: 1 - SG can force, 0 - host handles PSM + */ + CONF_SG_AUTO_PS_MODE, + + /* + * Compensation percentage of probe requests when scan initiated + * during BT voice/ACL link. + * + * Range: 0 - 255 (%) + */ + CONF_SG_AUTO_SCAN_PROBE_REQ, + + /* + * Compensation percentage of probe requests when active scan initiated + * during BT voice + * + * Range: 0 - 255 (%) + */ + CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3, + + /* + * Defines antenna configuration (single/dual antenna) + * + * Range: 0 - single antenna, 1 - dual antenna + */ + CONF_SG_ANTENNA_CONFIGURATION, + + /* + * The threshold (percent) of max consequtive beacon misses before + * increasing priority of beacon reception. + * + * Range: 0 - 100 (%) + */ + CONF_SG_BEACON_MISS_PERCENT, + + /* + * The rate threshold below which receiving a data frame from the AP + * will increase the priority of the data frame above BT traffic. + * + * Range: 0,2, 5(=5.5), 6, 9, 11, 12, 18, 24, 36, 48, 54 + */ + CONF_SG_RATE_ADAPT_THRESH, + + /* + * Not used currently. + * + * Range: 0 + */ + CONF_SG_RATE_ADAPT_SNR, + + /* + * Configure the min and max time BT gains the antenna + * in WLAN PSM / BT master basic rate + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR, + CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR, + + /* + * The time after it expires no new WLAN trigger frame is trasmitted + * in WLAN PSM / BT master basic rate + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR, + + /* + * Configure the min and max time BT gains the antenna + * in WLAN PSM / BT slave basic rate + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR, + CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR, + + /* + * The time after it expires no new WLAN trigger frame is trasmitted + * in WLAN PSM / BT slave basic rate + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR, + + /* + * Configure the min and max time BT gains the antenna + * in WLAN PSM / BT master EDR + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR, + CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR, + + /* + * The time after it expires no new WLAN trigger frame is trasmitted + * in WLAN PSM / BT master EDR + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR, + + /* + * Configure the min and max time BT gains the antenna + * in WLAN PSM / BT slave EDR + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR, + CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR, + + /* + * The time after it expires no new WLAN trigger frame is trasmitted + * in WLAN PSM / BT slave EDR + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR, + + /* + * RX guard time before the beginning of a new BT voice frame during + * which no new WLAN trigger frame is transmitted. + * + * Range: 0 - 100000 (us) + */ + CONF_SG_RXT, + + /* + * TX guard time before the beginning of a new BT voice frame during + * which no new WLAN frame is transmitted. + * + * Range: 0 - 100000 (us) + */ + + CONF_SG_TXT, + + /* + * Enable adaptive RXT/TXT algorithm. If disabled, the host values + * will be utilized. + * + * Range: 0 - disable, 1 - enable + */ + CONF_SG_ADAPTIVE_RXT_TXT, + + /* + * The used WLAN legacy service period during active BT ACL link + * + * Range: 0 - 255 (ms) + */ + CONF_SG_PS_POLL_TIMEOUT, + + /* + * The used WLAN UPSD service period during active BT ACL link + * + * Range: 0 - 255 (ms) */ - u32 per_threshold; + CONF_SG_UPSD_TIMEOUT, /* - * This value is an absolute time in micro-seconds to limit the - * maximum scan duration compensation while in SG + * Configure the min and max time BT gains the antenna + * in WLAN Active / BT master EDR + * + * Range: 0 - 255 (ms) */ - u32 max_scan_compensation_time; + CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR, + CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR, - /* Defines the PER threshold of the BT voice of which reaching this - * value will trigger raising the priority of the BT voice until next - * NFS sample interval time as defined in sample_interval. + /* + * The maximum time WLAN can gain the antenna for + * in WLAN Active / BT master EDR * - * Unit: msec - * Range: 1-65000 + * Range: 0 - 255 (ms) */ - u16 nfs_sample_interval; + CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR, /* - * Defines the load ratio for the BT. - * The WLAN ratio is: 100 - load_ratio + * Configure the min and max time BT gains the antenna + * in WLAN Active / BT slave EDR * - * Unit: Percent - * Range: 0-100 + * Range: 0 - 255 (ms) */ - u8 load_ratio; + CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR, + CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR, /* - * true - Co-ex is allowed to enter/exit P.S automatically and - * transparently to the host + * The maximum time WLAN can gain the antenna for + * in WLAN Active / BT slave EDR * - * false - Co-ex is disallowed to enter/exit P.S and will trigger an - * event to the host to notify for the need to enter/exit P.S - * due to BT change state + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR, + + /* + * Configure the min and max time BT gains the antenna + * in WLAN Active / BT basic rate + * + * Range: 0 - 255 (ms) + */ + CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR, + CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR, + + /* + * The maximum time WLAN can gain the antenna for + * in WLAN Active / BT basic rate * + * Range: 0 - 255 (ms) */ - u8 auto_ps_mode; + CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR, /* - * This parameter defines the compensation percentage of num of probe - * requests in case scan is initiated during BT voice/BT ACL - * guaranteed link. + * Compensation percentage of WLAN passive scan window if initiated + * during BT voice * - * Unit: Percent - * Range: 0-255 (0 - No compensation) + * Range: 0 - 1000 (%) */ - u8 probe_req_compensation; + CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3, /* - * This parameter defines the compensation percentage of scan window - * size in case scan is initiated during BT voice/BT ACL Guaranteed - * link. + * Compensation percentage of WLAN passive scan window if initiated + * during BT A2DP * - * Unit: Percent - * Range: 0-255 (0 - No compensation) + * Range: 0 - 1000 (%) */ - u8 scan_window_compensation; + CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP, /* - * Defines the antenna configuration. + * Fixed time ensured for BT traffic to gain the antenna during WLAN + * passive scan. * - * Range: 0 - Single Antenna; 1 - Dual Antenna + * Range: 0 - 1000 ms */ - u8 antenna_config; + CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME, /* - * The percent out of the Max consecutive beacon miss roaming trigger - * which is the threshold for raising the priority of beacon - * reception. + * Fixed time ensured for WLAN traffic to gain the antenna during WLAN + * passive scan. * - * Range: 1-100 - * N = MaxConsecutiveBeaconMiss - * P = coexMaxConsecutiveBeaconMissPrecent - * Threshold = MIN( N-1, round(N * P / 100)) + * Range: 0 - 1000 ms */ - u8 beacon_miss_threshold; + CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME, /* - * The RX rate threshold below which rate adaptation is assumed to be - * occurring at the AP which will raise priority for ACTIVE_RX and RX - * SP. + * Number of consequent BT voice frames not interrupted by WLAN * - * Range: HW_BIT_RATE_* + * Range: 0 - 100 */ - u32 rate_adaptation_threshold; + CONF_SG_HV3_MAX_SERVED, /* - * The SNR above which the RX rate threshold indicating AP rate - * adaptation is valid + * Protection time of the DHCP procedure. * - * Range: -128 - 127 + * Range: 0 - 100000 (ms) */ - s8 rate_adaptation_snr; + CONF_SG_DHCP_TIME, + + /* + * Compensation percentage of WLAN active scan window if initiated + * during BT A2DP + * + * Range: 0 - 1000 (%) + */ + CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP, + CONF_SG_TEMP_PARAM_1, + CONF_SG_TEMP_PARAM_2, + CONF_SG_TEMP_PARAM_3, + CONF_SG_TEMP_PARAM_4, + CONF_SG_TEMP_PARAM_5, + CONF_SG_PARAMS_MAX, + CONF_SG_PARAMS_ALL = 0xff +}; + +struct conf_sg_settings { + u32 params[CONF_SG_PARAMS_MAX]; + u8 state; }; enum conf_rx_queue_type { @@ -440,6 +674,19 @@ struct conf_tx_settings { */ u16 tx_compl_threshold; + /* + * The rate used for control messages and scanning on the 2.4GHz band + * + * Range: CONF_HW_BIT_RATE_* bit mask + */ + u32 basic_rate; + + /* + * The rate used for control messages and scanning on the 5GHz band + * + * Range: CONF_HW_BIT_RATE_* bit mask + */ + u32 basic_rate_5; }; enum { @@ -509,65 +756,6 @@ enum { CONF_TRIG_EVENT_DIR_BIDIR }; - -struct conf_sig_trigger { - /* - * The RSSI / SNR threshold value. - * - * FIXME: what is the range? - */ - s16 threshold; - - /* - * Minimum delay between two trigger events for this trigger in ms. - * - * Range: 0 - 60000 - */ - u16 pacing; - - /* - * The measurement data source for this trigger. - * - * Range: CONF_TRIG_METRIC_* - */ - u8 metric; - - /* - * The trigger type of this trigger. - * - * Range: CONF_TRIG_EVENT_TYPE_* - */ - u8 type; - - /* - * The direction of the trigger. - * - * Range: CONF_TRIG_EVENT_DIR_* - */ - u8 direction; - - /* - * Hysteresis range of the trigger around the threshold (in dB) - * - * Range: u8 - */ - u8 hysteresis; - - /* - * Index of the trigger rule. - * - * Range: 0 - CONF_MAX_RSSI_SNR_TRIGGERS-1 - */ - u8 index; - - /* - * Enable / disable this rule (to use for clearing rules.) - * - * Range: 1 - Enabled, 2 - Not enabled - */ - u8 enable; -}; - struct conf_sig_weights { /* @@ -686,12 +874,6 @@ struct conf_conn_settings { u8 ps_poll_threshold; /* - * Configuration of signal (rssi/snr) triggers. - */ - u8 sig_trigger_count; - struct conf_sig_trigger sig_trigger[CONF_MAX_RSSI_SNR_TRIGGERS]; - - /* * Configuration of signal average weights. */ struct conf_sig_weights sig_weights; @@ -721,6 +903,22 @@ struct conf_conn_settings { * Range 0 - 255 */ u8 psm_entry_retries; + + /* + * + * Specifies the interval of the connection keep-alive null-func + * frame in ms. + * + * Range: 1000 - 3600000 + */ + u32 keep_alive_interval; + + /* + * Maximum listen interval supported by the driver in units of beacons. + * + * Range: u16 + */ + u8 max_listen_interval; }; enum { @@ -782,6 +980,43 @@ struct conf_pm_config_settings { bool host_fast_wakeup_support; }; +struct conf_roam_trigger_settings { + /* + * The minimum interval between two trigger events. + * + * Range: 0 - 60000 ms + */ + u16 trigger_pacing; + + /* + * The weight for rssi/beacon average calculation + * + * Range: 0 - 255 + */ + u8 avg_weight_rssi_beacon; + + /* + * The weight for rssi/data frame average calculation + * + * Range: 0 - 255 + */ + u8 avg_weight_rssi_data; + + /* + * The weight for snr/beacon average calculation + * + * Range: 0 - 255 + */ + u8 avg_weight_snr_beacon; + + /* + * The weight for snr/data frame average calculation + * + * Range: 0 - 255 + */ + u8 avg_weight_snr_data; +}; + struct conf_drv_settings { struct conf_sg_settings sg; struct conf_rx_settings rx; @@ -790,6 +1025,7 @@ struct conf_drv_settings { struct conf_init_settings init; struct conf_itrim_settings itrim; struct conf_pm_config_settings pm_config; + struct conf_roam_trigger_settings roam_trigger; }; #endif diff --git a/drivers/net/wireless/wl12xx/wl1271_debugfs.c b/drivers/net/wireless/wl12xx/wl1271_debugfs.c index 3f7ff8d..c239ef4 100644 --- a/drivers/net/wireless/wl12xx/wl1271_debugfs.c +++ b/drivers/net/wireless/wl12xx/wl1271_debugfs.c @@ -29,6 +29,7 @@ #include "wl1271.h" #include "wl1271_acx.h" #include "wl1271_ps.h" +#include "wl1271_io.h" /* ms */ #define WL1271_DEBUGFS_STATS_LIFETIME 1000 @@ -277,13 +278,10 @@ static ssize_t gpio_power_write(struct file *file, goto out; } - if (value) { - wl->set_power(true); - set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); - } else { - wl->set_power(false); - clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); - } + if (value) + wl1271_power_on(wl); + else + wl1271_power_off(wl); out: mutex_unlock(&wl->mutex); diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c index 7468ef1..cf37aa6 100644 --- a/drivers/net/wireless/wl12xx/wl1271_event.c +++ b/drivers/net/wireless/wl12xx/wl1271_event.c @@ -23,7 +23,6 @@ #include "wl1271.h" #include "wl1271_reg.h" -#include "wl1271_spi.h" #include "wl1271_io.h" #include "wl1271_event.h" #include "wl1271_ps.h" @@ -32,34 +31,24 @@ static int wl1271_event_scan_complete(struct wl1271 *wl, struct event_mailbox *mbox) { - int size = sizeof(struct wl12xx_probe_req_template); wl1271_debug(DEBUG_EVENT, "status: 0x%x", mbox->scheduled_scan_status); if (test_bit(WL1271_FLAG_SCANNING, &wl->flags)) { if (wl->scan.state == WL1271_SCAN_BAND_DUAL) { - wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, - NULL, size); /* 2.4 GHz band scanned, scan 5 GHz band, pretend * to the wl1271_cmd_scan function that we are not * scanning as it checks that. */ clear_bit(WL1271_FLAG_SCANNING, &wl->flags); + /* FIXME: ie missing! */ wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len, + NULL, 0, wl->scan.active, wl->scan.high_prio, WL1271_SCAN_BAND_5_GHZ, wl->scan.probe_requests); } else { - if (wl->scan.state == WL1271_SCAN_BAND_2_4_GHZ) - wl1271_cmd_template_set(wl, - CMD_TEMPL_CFG_PROBE_REQ_2_4, - NULL, size); - else - wl1271_cmd_template_set(wl, - CMD_TEMPL_CFG_PROBE_REQ_5, - NULL, size); - mutex_unlock(&wl->mutex); ieee80211_scan_completed(wl->hw, false); mutex_lock(&wl->mutex); @@ -92,16 +81,9 @@ static int wl1271_event_ps_report(struct wl1271 *wl, ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, true); } else { - wl1271_error("PSM entry failed, giving up.\n"); - /* FIXME: this may need to be reconsidered. for now it - is not possible to indicate to the mac80211 - afterwards that PSM entry failed. To maximize - functionality (receiving data and remaining - associated) make sure that we are in sync with the - AP in regard of PSM mode. */ - ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, - false); + wl1271_info("No ack to nullfunc from AP."); wl->psm_entry_retry = 0; + *beacon_loss = true; } break; case EVENT_ENTER_POWER_SAVE_SUCCESS: @@ -143,6 +125,24 @@ static int wl1271_event_ps_report(struct wl1271 *wl, return ret; } +static void wl1271_event_rssi_trigger(struct wl1271 *wl, + struct event_mailbox *mbox) +{ + enum nl80211_cqm_rssi_threshold_event event; + s8 metric = mbox->rssi_snr_trigger_metric[0]; + + wl1271_debug(DEBUG_EVENT, "RSSI trigger metric: %d", metric); + + if (metric <= wl->rssi_thold) + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; + else + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; + + if (event != wl->last_rssi_event) + ieee80211_cqm_rssi_notify(wl->vif, event, GFP_KERNEL); + wl->last_rssi_event = event; +} + static void wl1271_event_mbox_dump(struct event_mailbox *mbox) { wl1271_debug(DEBUG_EVENT, "MBOX DUMP:"); @@ -172,10 +172,13 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon * filtering) is enabled. Without PSM, the stack will receive all * beacons and can detect beacon loss by itself. + * + * As there's possibility that the driver disables PSM before receiving + * BSS_LOSE_EVENT, beacon loss has to be reported to the stack. + * */ - if (vector & BSS_LOSE_EVENT_ID && - test_bit(WL1271_FLAG_PSM, &wl->flags)) { - wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT"); + if (vector & BSS_LOSE_EVENT_ID) { + wl1271_info("Beacon loss detected."); /* indicate to the stack, that beacons have been lost */ beacon_loss = true; @@ -188,17 +191,15 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) return ret; } - if (wl->vif && beacon_loss) { - /* Obviously, it's dangerous to release the mutex while - we are holding many of the variables in the wl struct. - That's why it's done last in the function, and care must - be taken that nothing more is done after this function - returns. */ - mutex_unlock(&wl->mutex); - ieee80211_beacon_loss(wl->vif); - mutex_lock(&wl->mutex); + if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT"); + if (wl->vif) + wl1271_event_rssi_trigger(wl, mbox); } + if (wl->vif && beacon_loss) + ieee80211_connection_loss(wl->vif); + return 0; } diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h index 278f920..5837100 100644 --- a/drivers/net/wireless/wl12xx/wl1271_event.h +++ b/drivers/net/wireless/wl12xx/wl1271_event.h @@ -38,6 +38,14 @@ */ enum { + RSSI_SNR_TRIGGER_0_EVENT_ID = BIT(0), + RSSI_SNR_TRIGGER_1_EVENT_ID = BIT(1), + RSSI_SNR_TRIGGER_2_EVENT_ID = BIT(2), + RSSI_SNR_TRIGGER_3_EVENT_ID = BIT(3), + RSSI_SNR_TRIGGER_4_EVENT_ID = BIT(4), + RSSI_SNR_TRIGGER_5_EVENT_ID = BIT(5), + RSSI_SNR_TRIGGER_6_EVENT_ID = BIT(6), + RSSI_SNR_TRIGGER_7_EVENT_ID = BIT(7), MEASUREMENT_START_EVENT_ID = BIT(8), MEASUREMENT_COMPLETE_EVENT_ID = BIT(9), SCAN_COMPLETE_EVENT_ID = BIT(10), diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c index d189e8f..4447af1 100644 --- a/drivers/net/wireless/wl12xx/wl1271_init.c +++ b/drivers/net/wireless/wl12xx/wl1271_init.c @@ -52,50 +52,65 @@ static int wl1271_init_hwenc_config(struct wl1271 *wl) int wl1271_init_templates_config(struct wl1271 *wl) { - int ret; + int ret, i; /* send empty templates for fw memory reservation */ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL, - sizeof(struct wl12xx_probe_req_template)); + sizeof(struct wl12xx_probe_req_template), + 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; if (wl1271_11a_enabled()) { + size_t size = sizeof(struct wl12xx_probe_req_template); ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5, - NULL, - sizeof(struct wl12xx_probe_req_template)); + NULL, size, 0, + WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; } ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL, - sizeof(struct wl12xx_null_data_template)); + sizeof(struct wl12xx_null_data_template), + 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL, - sizeof(struct wl12xx_ps_poll_template)); + sizeof(struct wl12xx_ps_poll_template), + 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL, sizeof - (struct wl12xx_qos_null_data_template)); + (struct wl12xx_qos_null_data_template), + 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL, sizeof - (struct wl12xx_probe_resp_template)); + (struct wl12xx_probe_resp_template), + 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL, sizeof - (struct wl12xx_beacon_template)); + (struct wl12xx_beacon_template), + 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; + for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) { + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL, + WL1271_CMD_TEMPL_MAX_SIZE, i, + WL1271_RATE_AUTOMATIC); + if (ret < 0) + return ret; + } + return 0; } @@ -161,11 +176,11 @@ int wl1271_init_pta(struct wl1271 *wl) { int ret; - ret = wl1271_acx_sg_enable(wl); + ret = wl1271_acx_sg_cfg(wl); if (ret < 0) return ret; - ret = wl1271_acx_sg_cfg(wl); + ret = wl1271_acx_sg_enable(wl, wl->sg_enabled); if (ret < 0) return ret; @@ -237,7 +252,7 @@ int wl1271_hw_init(struct wl1271 *wl) goto out_free_memmap; /* Initialize connection monitoring thresholds */ - ret = wl1271_acx_conn_monit_params(wl); + ret = wl1271_acx_conn_monit_params(wl, false); if (ret < 0) goto out_free_memmap; @@ -325,6 +340,24 @@ int wl1271_hw_init(struct wl1271 *wl) if (ret < 0) goto out_free_memmap; + /* disable all keep-alive templates */ + for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) { + ret = wl1271_acx_keep_alive_config(wl, i, + ACX_KEEP_ALIVE_TPL_INVALID); + if (ret < 0) + goto out_free_memmap; + } + + /* disable the keep-alive feature */ + ret = wl1271_acx_keep_alive_mode(wl, false); + if (ret < 0) + goto out_free_memmap; + + /* Configure rssi/snr averaging weights */ + ret = wl1271_acx_rssi_snr_avg_weights(wl); + if (ret < 0) + goto out_free_memmap; + return 0; out_free_memmap: diff --git a/drivers/net/wireless/wl12xx/wl1271_io.c b/drivers/net/wireless/wl12xx/wl1271_io.c index 5cd94d5..c8759ac 100644 --- a/drivers/net/wireless/wl12xx/wl1271_io.c +++ b/drivers/net/wireless/wl12xx/wl1271_io.c @@ -28,30 +28,29 @@ #include "wl1271.h" #include "wl12xx_80211.h" -#include "wl1271_spi.h" #include "wl1271_io.h" -static int wl1271_translate_addr(struct wl1271 *wl, int addr) +#define OCP_CMD_LOOP 32 + +#define OCP_CMD_WRITE 0x1 +#define OCP_CMD_READ 0x2 + +#define OCP_READY_MASK BIT(18) +#define OCP_STATUS_MASK (BIT(16) | BIT(17)) + +#define OCP_STATUS_NO_RESP 0x00000 +#define OCP_STATUS_OK 0x10000 +#define OCP_STATUS_REQ_FAILED 0x20000 +#define OCP_STATUS_RESP_ERROR 0x30000 + +void wl1271_disable_interrupts(struct wl1271 *wl) { - /* - * To translate, first check to which window of addresses the - * particular address belongs. Then subtract the starting address - * of that window from the address. Then, add offset of the - * translated region. - * - * The translated regions occur next to each other in physical device - * memory, so just add the sizes of the preceeding address regions to - * get the offset to the new region. - * - * Currently, only the two first regions are addressed, and the - * assumption is that all addresses will fall into either of those - * two. - */ - if ((addr >= wl->part.reg.start) && - (addr < wl->part.reg.start + wl->part.reg.size)) - return addr - wl->part.reg.start + wl->part.mem.size; - else - return addr - wl->part.mem.start; + wl->if_ops->disable_irq(wl); +} + +void wl1271_enable_interrupts(struct wl1271 *wl) +{ + wl->if_ops->enable_irq(wl); } /* Set the SPI partitions to access the chip addresses @@ -117,54 +116,12 @@ int wl1271_set_partition(struct wl1271 *wl, void wl1271_io_reset(struct wl1271 *wl) { - wl1271_spi_reset(wl); + wl->if_ops->reset(wl); } void wl1271_io_init(struct wl1271 *wl) { - wl1271_spi_init(wl); -} - -void wl1271_raw_write(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) -{ - wl1271_spi_raw_write(wl, addr, buf, len, fixed); -} - -void wl1271_raw_read(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) -{ - wl1271_spi_raw_read(wl, addr, buf, len, fixed); -} - -void wl1271_read(struct wl1271 *wl, int addr, void *buf, size_t len, - bool fixed) -{ - int physical; - - physical = wl1271_translate_addr(wl, addr); - - wl1271_spi_raw_read(wl, physical, buf, len, fixed); -} - -void wl1271_write(struct wl1271 *wl, int addr, void *buf, size_t len, - bool fixed) -{ - int physical; - - physical = wl1271_translate_addr(wl, addr); - - wl1271_spi_raw_write(wl, physical, buf, len, fixed); -} - -u32 wl1271_read32(struct wl1271 *wl, int addr) -{ - return wl1271_raw_read32(wl, wl1271_translate_addr(wl, addr)); -} - -void wl1271_write32(struct wl1271 *wl, int addr, u32 val) -{ - wl1271_raw_write32(wl, wl1271_translate_addr(wl, addr), val); + wl->if_ops->init(wl); } void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val) diff --git a/drivers/net/wireless/wl12xx/wl1271_io.h b/drivers/net/wireless/wl12xx/wl1271_io.h index fa9a0b3..bc806c7 100644 --- a/drivers/net/wireless/wl12xx/wl1271_io.h +++ b/drivers/net/wireless/wl12xx/wl1271_io.h @@ -25,44 +25,145 @@ #ifndef __WL1271_IO_H__ #define __WL1271_IO_H__ +#include "wl1271_reg.h" + +#define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 + +#define HW_PARTITION_REGISTERS_ADDR 0x1FFC0 +#define HW_PART0_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR) +#define HW_PART0_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 4) +#define HW_PART1_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 8) +#define HW_PART1_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 12) +#define HW_PART2_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 16) +#define HW_PART2_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 20) +#define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 24) + +#define HW_ACCESS_REGISTER_SIZE 4 + +#define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 + struct wl1271; +void wl1271_disable_interrupts(struct wl1271 *wl); +void wl1271_enable_interrupts(struct wl1271 *wl); + void wl1271_io_reset(struct wl1271 *wl); void wl1271_io_init(struct wl1271 *wl); -/* Raw target IO, address is not translated */ -void wl1271_raw_write(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed); -void wl1271_raw_read(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed); +static inline struct device *wl1271_wl_to_dev(struct wl1271 *wl) +{ + return wl->if_ops->dev(wl); +} -/* Translated target IO */ -void wl1271_read(struct wl1271 *wl, int addr, void *buf, size_t len, - bool fixed); -void wl1271_write(struct wl1271 *wl, int addr, void *buf, size_t len, - bool fixed); -u32 wl1271_read32(struct wl1271 *wl, int addr); -void wl1271_write32(struct wl1271 *wl, int addr, u32 val); -/* Top Register IO */ -void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val); -u16 wl1271_top_reg_read(struct wl1271 *wl, int addr); +/* Raw target IO, address is not translated */ +static inline void wl1271_raw_write(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) +{ + wl->if_ops->write(wl, addr, buf, len, fixed); +} -int wl1271_set_partition(struct wl1271 *wl, - struct wl1271_partition_set *p); +static inline void wl1271_raw_read(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) +{ + wl->if_ops->read(wl, addr, buf, len, fixed); +} static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr) { wl1271_raw_read(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32), false); - return wl->buffer_32; + return le32_to_cpu(wl->buffer_32); } static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val) { - wl->buffer_32 = val; + wl->buffer_32 = cpu_to_le32(val); wl1271_raw_write(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32), false); } + +/* Translated target IO */ +static inline int wl1271_translate_addr(struct wl1271 *wl, int addr) +{ + /* + * To translate, first check to which window of addresses the + * particular address belongs. Then subtract the starting address + * of that window from the address. Then, add offset of the + * translated region. + * + * The translated regions occur next to each other in physical device + * memory, so just add the sizes of the preceeding address regions to + * get the offset to the new region. + * + * Currently, only the two first regions are addressed, and the + * assumption is that all addresses will fall into either of those + * two. + */ + if ((addr >= wl->part.reg.start) && + (addr < wl->part.reg.start + wl->part.reg.size)) + return addr - wl->part.reg.start + wl->part.mem.size; + else + return addr - wl->part.mem.start; +} + +static inline void wl1271_read(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) +{ + int physical; + + physical = wl1271_translate_addr(wl, addr); + + wl1271_raw_read(wl, physical, buf, len, fixed); +} + +static inline void wl1271_write(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) +{ + int physical; + + physical = wl1271_translate_addr(wl, addr); + + wl1271_raw_write(wl, physical, buf, len, fixed); +} + +static inline u32 wl1271_read32(struct wl1271 *wl, int addr) +{ + return wl1271_raw_read32(wl, wl1271_translate_addr(wl, addr)); +} + +static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val) +{ + wl1271_raw_write32(wl, wl1271_translate_addr(wl, addr), val); +} + +static inline void wl1271_power_off(struct wl1271 *wl) +{ + wl->if_ops->power(wl, false); + clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); +} + +static inline void wl1271_power_on(struct wl1271 *wl) +{ + wl->if_ops->power(wl, true); + set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); +} + + +/* Top Register IO */ +void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val); +u16 wl1271_top_reg_read(struct wl1271 *wl, int addr); + +int wl1271_set_partition(struct wl1271 *wl, + struct wl1271_partition_set *p); + +/* Functions from wl1271_main.c */ + +int wl1271_register_hw(struct wl1271 *wl); +void wl1271_unregister_hw(struct wl1271 *wl); +int wl1271_init_ieee80211(struct wl1271 *wl); +struct ieee80211_hw *wl1271_alloc_hw(void); +int wl1271_free_hw(struct wl1271 *wl); + #endif diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 65a1aeb..b7d9137 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -22,23 +22,19 @@ */ #include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> #include <linux/firmware.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/spi/spi.h> #include <linux/crc32.h> #include <linux/etherdevice.h> #include <linux/vmalloc.h> -#include <linux/spi/wl12xx.h> #include <linux/inetdevice.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include "wl1271.h" #include "wl12xx_80211.h" #include "wl1271_reg.h" -#include "wl1271_spi.h" #include "wl1271_io.h" #include "wl1271_event.h" #include "wl1271_tx.h" @@ -54,17 +50,57 @@ static struct conf_drv_settings default_conf = { .sg = { - .per_threshold = 7500, - .max_scan_compensation_time = 120000, - .nfs_sample_interval = 400, - .load_ratio = 50, - .auto_ps_mode = 0, - .probe_req_compensation = 170, - .scan_window_compensation = 50, - .antenna_config = 0, - .beacon_miss_threshold = 60, - .rate_adaptation_threshold = CONF_HW_BIT_RATE_12MBPS, - .rate_adaptation_snr = 0 + .params = { + [CONF_SG_BT_PER_THRESHOLD] = 7500, + [CONF_SG_HV3_MAX_OVERRIDE] = 0, + [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, + [CONF_SG_BT_LOAD_RATIO] = 50, + [CONF_SG_AUTO_PS_MODE] = 0, + [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, + [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, + [CONF_SG_ANTENNA_CONFIGURATION] = 0, + [CONF_SG_BEACON_MISS_PERCENT] = 60, + [CONF_SG_RATE_ADAPT_THRESH] = 12, + [CONF_SG_RATE_ADAPT_SNR] = 0, + [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, + [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, + [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, + [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, + [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, + /* Note: with UPSD, this should be 4 */ + [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, + [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, + [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, + [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, + /* Note: with UPDS, this should be 15 */ + [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, + /* Note: with UPDS, this should be 50 */ + [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, + /* Note: with UPDS, this should be 10 */ + [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, + [CONF_SG_RXT] = 1200, + [CONF_SG_TXT] = 1000, + [CONF_SG_ADAPTIVE_RXT_TXT] = 1, + [CONF_SG_PS_POLL_TIMEOUT] = 10, + [CONF_SG_UPSD_TIMEOUT] = 10, + [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, + [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, + [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, + [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, + [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, + [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, + [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, + [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, + [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, + [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, + [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, + [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, + [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, + [CONF_SG_HV3_MAX_SERVED] = 6, + [CONF_SG_DHCP_TIME] = 5000, + [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, + }, + .state = CONF_SG_PROTECTIVE, }, .rx = { .rx_msdu_life_time = 512000, @@ -81,8 +117,7 @@ static struct conf_drv_settings default_conf = { .tx = { .tx_energy_detection = 0, .rc_conf = { - .enabled_rates = CONF_HW_BIT_RATE_1MBPS | - CONF_HW_BIT_RATE_2MBPS, + .enabled_rates = 0, .short_retry_limit = 10, .long_retry_limit = 10, .aflags = 0 @@ -179,11 +214,13 @@ static struct conf_drv_settings default_conf = { }, .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, .tx_compl_timeout = 700, - .tx_compl_threshold = 4 + .tx_compl_threshold = 4, + .basic_rate = CONF_HW_BIT_RATE_1MBPS, + .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, }, .conn = { .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, - .listen_interval = 0, + .listen_interval = 1, .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, .bcn_filt_ie_count = 1, .bcn_filt_ie = { @@ -198,38 +235,11 @@ static struct conf_drv_settings default_conf = { .broadcast_timeout = 20000, .rx_broadcast_in_ps = 1, .ps_poll_threshold = 20, - .sig_trigger_count = 2, - .sig_trigger = { - [0] = { - .threshold = -75, - .pacing = 500, - .metric = CONF_TRIG_METRIC_RSSI_BEACON, - .type = CONF_TRIG_EVENT_TYPE_EDGE, - .direction = CONF_TRIG_EVENT_DIR_LOW, - .hysteresis = 2, - .index = 0, - .enable = 1 - }, - [1] = { - .threshold = -75, - .pacing = 500, - .metric = CONF_TRIG_METRIC_RSSI_BEACON, - .type = CONF_TRIG_EVENT_TYPE_EDGE, - .direction = CONF_TRIG_EVENT_DIR_HIGH, - .hysteresis = 2, - .index = 1, - .enable = 1 - } - }, - .sig_weights = { - .rssi_bcn_avg_weight = 10, - .rssi_pkt_avg_weight = 10, - .snr_bcn_avg_weight = 10, - .snr_pkt_avg_weight = 10 - }, .bet_enable = CONF_BET_MODE_ENABLE, .bet_max_consecutive = 10, - .psm_entry_retries = 3 + .psm_entry_retries = 3, + .keep_alive_interval = 55000, + .max_listen_interval = 20, }, .init = { .radioparam = { @@ -243,9 +253,32 @@ static struct conf_drv_settings default_conf = { .pm_config = { .host_clk_settling_time = 5000, .host_fast_wakeup_support = false + }, + .roam_trigger = { + /* FIXME: due to firmware bug, must use value 1 for now */ + .trigger_pacing = 1, + .avg_weight_rssi_beacon = 20, + .avg_weight_rssi_data = 10, + .avg_weight_snr_beacon = 20, + .avg_weight_snr_data = 10 } }; +static void wl1271_device_release(struct device *dev) +{ + +} + +static struct platform_device wl1271_device = { + .name = "wl1271", + .id = -1, + + /* device model insists to have a release function */ + .dev = { + .release = wl1271_device_release, + }, +}; + static LIST_HEAD(wl_list); static void wl1271_conf_init(struct wl1271 *wl) @@ -298,7 +331,7 @@ static int wl1271_plt_init(struct wl1271 *wl) goto out_free_memmap; /* Initialize connection monitoring thresholds */ - ret = wl1271_acx_conn_monit_params(wl); + ret = wl1271_acx_conn_monit_params(wl, false); if (ret < 0) goto out_free_memmap; @@ -365,30 +398,14 @@ static int wl1271_plt_init(struct wl1271 *wl) return ret; } -static void wl1271_disable_interrupts(struct wl1271 *wl) -{ - disable_irq(wl->irq); -} - -static void wl1271_power_off(struct wl1271 *wl) -{ - wl->set_power(false); - clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); -} - -static void wl1271_power_on(struct wl1271 *wl) -{ - wl->set_power(true); - set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); -} - static void wl1271_fw_status(struct wl1271 *wl, struct wl1271_fw_status *status) { + struct timespec ts; u32 total = 0; int i; - wl1271_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); + wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " "drv_rx_counter = %d, tx_results_counter = %d)", @@ -413,14 +430,19 @@ static void wl1271_fw_status(struct wl1271 *wl, ieee80211_queue_work(wl->hw, &wl->tx_work); /* update the host-chipset time offset */ - wl->time_offset = jiffies_to_usecs(jiffies) - - le32_to_cpu(status->fw_localtime); + getnstimeofday(&ts); + wl->time_offset = (timespec_to_ns(&ts) >> 10) - + (s64)le32_to_cpu(status->fw_localtime); } +#define WL1271_IRQ_MAX_LOOPS 10 + static void wl1271_irq_work(struct work_struct *work) { int ret; u32 intr; + int loopcount = WL1271_IRQ_MAX_LOOPS; + unsigned long flags; struct wl1271 *wl = container_of(work, struct wl1271, irq_work); @@ -428,91 +450,78 @@ static void wl1271_irq_work(struct work_struct *work) wl1271_debug(DEBUG_IRQ, "IRQ work"); - if (wl->state == WL1271_STATE_OFF) + if (unlikely(wl->state == WL1271_STATE_OFF)) goto out; ret = wl1271_ps_elp_wakeup(wl, true); if (ret < 0) goto out; - wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); - - wl1271_fw_status(wl, wl->fw_status); - intr = le32_to_cpu(wl->fw_status->intr); - if (!intr) { - wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); - goto out_sleep; - } + spin_lock_irqsave(&wl->wl_lock, flags); + while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) { + clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); + spin_unlock_irqrestore(&wl->wl_lock, flags); + loopcount--; + + wl1271_fw_status(wl, wl->fw_status); + intr = le32_to_cpu(wl->fw_status->intr); + if (!intr) { + wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); + spin_lock_irqsave(&wl->wl_lock, flags); + continue; + } - intr &= WL1271_INTR_MASK; + intr &= WL1271_INTR_MASK; - if (intr & WL1271_ACX_INTR_EVENT_A) { - wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); - wl1271_event_handle(wl, 0); - } + if (intr & WL1271_ACX_INTR_DATA) { + wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); - if (intr & WL1271_ACX_INTR_EVENT_B) { - wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); - wl1271_event_handle(wl, 1); - } + /* check for tx results */ + if (wl->fw_status->tx_results_counter != + (wl->tx_results_count & 0xff)) + wl1271_tx_complete(wl); - if (intr & WL1271_ACX_INTR_INIT_COMPLETE) - wl1271_debug(DEBUG_IRQ, - "WL1271_ACX_INTR_INIT_COMPLETE"); + wl1271_rx(wl, wl->fw_status); + } - if (intr & WL1271_ACX_INTR_HW_AVAILABLE) - wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); + if (intr & WL1271_ACX_INTR_EVENT_A) { + wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); + wl1271_event_handle(wl, 0); + } - if (intr & WL1271_ACX_INTR_DATA) { - u8 tx_res_cnt = wl->fw_status->tx_results_counter - - wl->tx_results_count; + if (intr & WL1271_ACX_INTR_EVENT_B) { + wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); + wl1271_event_handle(wl, 1); + } - wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); + if (intr & WL1271_ACX_INTR_INIT_COMPLETE) + wl1271_debug(DEBUG_IRQ, + "WL1271_ACX_INTR_INIT_COMPLETE"); - /* check for tx results */ - if (tx_res_cnt) - wl1271_tx_complete(wl, tx_res_cnt); + if (intr & WL1271_ACX_INTR_HW_AVAILABLE) + wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); - wl1271_rx(wl, wl->fw_status); + spin_lock_irqsave(&wl->wl_lock, flags); } -out_sleep: - wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, - WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); + if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags)) + ieee80211_queue_work(wl->hw, &wl->irq_work); + else + clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); + spin_unlock_irqrestore(&wl->wl_lock, flags); + wl1271_ps_elp_sleep(wl); out: mutex_unlock(&wl->mutex); } -static irqreturn_t wl1271_irq(int irq, void *cookie) -{ - struct wl1271 *wl; - unsigned long flags; - - wl1271_debug(DEBUG_IRQ, "IRQ"); - - wl = cookie; - - /* complete the ELP completion */ - spin_lock_irqsave(&wl->wl_lock, flags); - if (wl->elp_compl) { - complete(wl->elp_compl); - wl->elp_compl = NULL; - } - - ieee80211_queue_work(wl->hw, &wl->irq_work); - spin_unlock_irqrestore(&wl->wl_lock, flags); - - return IRQ_HANDLED; -} - static int wl1271_fetch_firmware(struct wl1271 *wl) { const struct firmware *fw; int ret; - ret = request_firmware(&fw, WL1271_FW_NAME, &wl->spi->dev); + ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl)); if (ret < 0) { wl1271_error("could not get firmware: %d", ret); @@ -545,46 +554,12 @@ out: return ret; } -static int wl1271_update_mac_addr(struct wl1271 *wl) -{ - int ret = 0; - u8 *nvs_ptr = (u8 *)wl->nvs->nvs; - - /* get mac address from the NVS */ - wl->mac_addr[0] = nvs_ptr[11]; - wl->mac_addr[1] = nvs_ptr[10]; - wl->mac_addr[2] = nvs_ptr[6]; - wl->mac_addr[3] = nvs_ptr[5]; - wl->mac_addr[4] = nvs_ptr[4]; - wl->mac_addr[5] = nvs_ptr[3]; - - /* FIXME: if it is a zero-address, we should bail out. Now, instead, - we randomize an address */ - if (is_zero_ether_addr(wl->mac_addr)) { - static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; - memcpy(wl->mac_addr, nokia_oui, 3); - get_random_bytes(wl->mac_addr + 3, 3); - - /* update this address to the NVS */ - nvs_ptr[11] = wl->mac_addr[0]; - nvs_ptr[10] = wl->mac_addr[1]; - nvs_ptr[6] = wl->mac_addr[2]; - nvs_ptr[5] = wl->mac_addr[3]; - nvs_ptr[4] = wl->mac_addr[4]; - nvs_ptr[3] = wl->mac_addr[5]; - } - - SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); - - return ret; -} - static int wl1271_fetch_nvs(struct wl1271 *wl) { const struct firmware *fw; int ret; - ret = request_firmware(&fw, WL1271_NVS_NAME, &wl->spi->dev); + ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl)); if (ret < 0) { wl1271_error("could not get nvs file: %d", ret); @@ -608,8 +583,6 @@ static int wl1271_fetch_nvs(struct wl1271 *wl) memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file)); - ret = wl1271_update_mac_addr(wl); - out: release_firmware(fw); @@ -826,15 +799,13 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) * The workqueue is slow to process the tx_queue and we need stop * the queue here, otherwise the queue will get too long. */ - if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_MAX_LENGTH) { - ieee80211_stop_queues(wl->hw); + if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) { + wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); - /* - * FIXME: this is racy, the variable is not properly - * protected. Maybe fix this by removing the stupid - * variable altogether and checking the real queue state? - */ + spin_lock_irqsave(&wl->wl_lock, flags); + ieee80211_stop_queues(wl->hw); set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); + spin_unlock_irqrestore(&wl->wl_lock, flags); } return NETDEV_TX_OK; @@ -882,7 +853,7 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, if (wl == wl_temp) break; } - if (wl == NULL) + if (wl != wl_temp) return NOTIFY_DONE; /* Get the interface IP address for the device. "ifa" will become @@ -929,13 +900,60 @@ static struct notifier_block wl1271_dev_notifier = { static int wl1271_op_start(struct ieee80211_hw *hw) { + wl1271_debug(DEBUG_MAC80211, "mac80211 start"); + + /* + * We have to delay the booting of the hardware because + * we need to know the local MAC address before downloading and + * initializing the firmware. The MAC address cannot be changed + * after boot, and without the proper MAC address, the firmware + * will not function properly. + * + * The MAC address is first known when the corresponding interface + * is added. That is where we will initialize the hardware. + */ + + return 0; +} + +static void wl1271_op_stop(struct ieee80211_hw *hw) +{ + wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); +} + +static int wl1271_op_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ struct wl1271 *wl = hw->priv; int retries = WL1271_BOOT_RETRIES; int ret = 0; - wl1271_debug(DEBUG_MAC80211, "mac80211 start"); + wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", + vif->type, vif->addr); mutex_lock(&wl->mutex); + if (wl->vif) { + ret = -EBUSY; + goto out; + } + + wl->vif = vif; + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + wl->bss_type = BSS_TYPE_STA_BSS; + wl->set_bss_type = BSS_TYPE_STA_BSS; + break; + case NL80211_IFTYPE_ADHOC: + wl->bss_type = BSS_TYPE_IBSS; + wl->set_bss_type = BSS_TYPE_STA_BSS; + break; + default: + ret = -EOPNOTSUPP; + goto out; + } + + memcpy(wl->mac_addr, vif->addr, ETH_ALEN); if (wl->state != WL1271_STATE_OFF) { wl1271_error("cannot start because not in off state: %d", @@ -991,19 +1009,20 @@ out: return ret; } -static void wl1271_op_stop(struct ieee80211_hw *hw) +static void wl1271_op_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) { struct wl1271 *wl = hw->priv; int i; - wl1271_info("down"); - - wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); - unregister_inetaddr_notifier(&wl1271_dev_notifier); - list_del(&wl->list); mutex_lock(&wl->mutex); + wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); + + wl1271_info("down"); + + list_del(&wl->list); WARN_ON(wl->state != WL1271_STATE_ON); @@ -1032,6 +1051,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); wl->ssid_len = 0; wl->bss_type = MAX_BSS_TYPE; + wl->set_bss_type = MAX_BSS_TYPE; wl->band = IEEE80211_BAND_2GHZ; wl->rx_counter = 0; @@ -1041,163 +1061,142 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl->tx_results_count = 0; wl->tx_packets_count = 0; wl->tx_security_last_seq = 0; - wl->tx_security_seq_16 = 0; - wl->tx_security_seq_32 = 0; + wl->tx_security_seq = 0; wl->time_offset = 0; wl->session_counter = 0; wl->rate_set = CONF_TX_RATE_MASK_BASIC; wl->sta_rate_set = 0; wl->flags = 0; + wl->vif = NULL; + wl->filters = 0; for (i = 0; i < NUM_TX_QUEUES; i++) wl->tx_blocks_freed[i] = 0; wl1271_debugfs_reset(wl); + + kfree(wl->fw_status); + wl->fw_status = NULL; + kfree(wl->tx_res_if); + wl->tx_res_if = NULL; + kfree(wl->target_mem_map); + wl->target_mem_map = NULL; + mutex_unlock(&wl->mutex); } -static int wl1271_op_add_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) +static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) { - struct wl1271 *wl = hw->priv; - int ret = 0; + wl->rx_config = WL1271_DEFAULT_RX_CONFIG; + wl->rx_filter = WL1271_DEFAULT_RX_FILTER; - wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", - vif->type, vif->addr); + /* combine requested filters with current filter config */ + filters = wl->filters | filters; - mutex_lock(&wl->mutex); - if (wl->vif) { - ret = -EBUSY; - goto out; + wl1271_debug(DEBUG_FILTERS, "RX filters set: "); + + if (filters & FIF_PROMISC_IN_BSS) { + wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); + wl->rx_config &= ~CFG_UNI_FILTER_EN; + wl->rx_config |= CFG_BSSID_FILTER_EN; + } + if (filters & FIF_BCN_PRBRESP_PROMISC) { + wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); + wl->rx_config &= ~CFG_BSSID_FILTER_EN; + wl->rx_config &= ~CFG_SSID_FILTER_EN; } + if (filters & FIF_OTHER_BSS) { + wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); + wl->rx_config &= ~CFG_BSSID_FILTER_EN; + } + if (filters & FIF_CONTROL) { + wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); + wl->rx_filter |= CFG_RX_CTL_EN; + } + if (filters & FIF_FCSFAIL) { + wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); + wl->rx_filter |= CFG_RX_FCS_ERROR; + } +} - wl->vif = vif; +static int wl1271_dummy_join(struct wl1271 *wl) +{ + int ret = 0; + /* we need to use a dummy BSSID for now */ + static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, + 0xad, 0xbe, 0xef }; - switch (vif->type) { - case NL80211_IFTYPE_STATION: - wl->bss_type = BSS_TYPE_STA_BSS; - break; - case NL80211_IFTYPE_ADHOC: - wl->bss_type = BSS_TYPE_IBSS; - break; - default: - ret = -EOPNOTSUPP; + memcpy(wl->bssid, dummy_bssid, ETH_ALEN); + + /* pass through frames from all BSS */ + wl1271_configure_filters(wl, FIF_OTHER_BSS); + + ret = wl1271_cmd_join(wl, wl->set_bss_type); + if (ret < 0) goto out; - } - /* FIXME: what if conf->mac_addr changes? */ + set_bit(WL1271_FLAG_JOINED, &wl->flags); out: - mutex_unlock(&wl->mutex); return ret; } -static void wl1271_op_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct wl1271 *wl = hw->priv; - - mutex_lock(&wl->mutex); - wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); - wl->vif = NULL; - mutex_unlock(&wl->mutex); -} - -#if 0 -static int wl1271_op_config_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_if_conf *conf) +static int wl1271_join(struct wl1271 *wl, bool set_assoc) { - struct wl1271 *wl = hw->priv; - struct sk_buff *beacon; int ret; - wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM", - conf->bssid); - wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid, - conf->ssid_len); + /* + * One of the side effects of the JOIN command is that is clears + * WPA/WPA2 keys from the chipset. Performing a JOIN while associated + * to a WPA/WPA2 access point will therefore kill the data-path. + * Currently there is no supported scenario for JOIN during + * association - if it becomes a supported scenario, the WPA/WPA2 keys + * must be handled somehow. + * + */ + if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) + wl1271_info("JOIN while associated."); - mutex_lock(&wl->mutex); + if (set_assoc) + set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); - ret = wl1271_ps_elp_wakeup(wl, false); + ret = wl1271_cmd_join(wl, wl->set_bss_type); if (ret < 0) goto out; - if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) { - wl1271_debug(DEBUG_MAC80211, "bssid changed"); - - memcpy(wl->bssid, conf->bssid, ETH_ALEN); - - ret = wl1271_cmd_join(wl); - if (ret < 0) - goto out_sleep; - - ret = wl1271_cmd_build_null_data(wl); - if (ret < 0) - goto out_sleep; - } - - wl->ssid_len = conf->ssid_len; - if (wl->ssid_len) - memcpy(wl->ssid, conf->ssid, wl->ssid_len); - - if (conf->changed & IEEE80211_IFCC_BEACON) { - beacon = ieee80211_beacon_get(hw, vif); - ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, - beacon->data, beacon->len); - - if (ret < 0) { - dev_kfree_skb(beacon); - goto out_sleep; - } - - ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, - beacon->data, beacon->len); - - dev_kfree_skb(beacon); - - if (ret < 0) - goto out_sleep; - } - -out_sleep: - wl1271_ps_elp_sleep(wl); - -out: - mutex_unlock(&wl->mutex); - - return ret; -} -#endif - -static int wl1271_join_channel(struct wl1271 *wl, int channel) -{ - int ret = 0; - /* we need to use a dummy BSSID for now */ - static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, - 0xad, 0xbe, 0xef }; + set_bit(WL1271_FLAG_JOINED, &wl->flags); - /* the dummy join is not required for ad-hoc */ - if (wl->bss_type == BSS_TYPE_IBSS) + if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) goto out; - /* disable mac filter, so we hear everything */ - wl->rx_config &= ~CFG_BSSID_FILTER_EN; + /* + * The join command disable the keep-alive mode, shut down its process, + * and also clear the template config, so we need to reset it all after + * the join. The acx_aid starts the keep-alive process, and the order + * of the commands below is relevant. + */ + ret = wl1271_acx_keep_alive_mode(wl, true); + if (ret < 0) + goto out; - wl->channel = channel; - memcpy(wl->bssid, dummy_bssid, ETH_ALEN); + ret = wl1271_acx_aid(wl, wl->aid); + if (ret < 0) + goto out; - ret = wl1271_cmd_join(wl); + ret = wl1271_cmd_build_klv_null_data(wl); if (ret < 0) goto out; - set_bit(WL1271_FLAG_JOINED, &wl->flags); + ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, + ACX_KEEP_ALIVE_TPL_VALID); + if (ret < 0) + goto out; out: return ret; } -static int wl1271_unjoin_channel(struct wl1271 *wl) +static int wl1271_unjoin(struct wl1271 *wl) { int ret; @@ -1207,14 +1206,41 @@ static int wl1271_unjoin_channel(struct wl1271 *wl) goto out; clear_bit(WL1271_FLAG_JOINED, &wl->flags); - wl->channel = 0; memset(wl->bssid, 0, ETH_ALEN); - wl->rx_config = WL1271_DEFAULT_RX_CONFIG; + + /* stop filterting packets based on bssid */ + wl1271_configure_filters(wl, FIF_OTHER_BSS); out: return ret; } +static void wl1271_set_band_rate(struct wl1271 *wl) +{ + if (wl->band == IEEE80211_BAND_2GHZ) + wl->basic_rate_set = wl->conf.tx.basic_rate; + else + wl->basic_rate_set = wl->conf.tx.basic_rate_5; +} + +static u32 wl1271_min_rate_get(struct wl1271 *wl) +{ + int i; + u32 rate = 0; + + if (!wl->basic_rate_set) { + WARN_ON(1); + wl->basic_rate_set = wl->conf.tx.basic_rate; + } + + for (i = 0; !rate; i++) { + if ((wl->basic_rate_set >> i) & 0x1) + rate = 1 << i; + } + + return rate; +} + static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) { struct wl1271 *wl = hw->priv; @@ -1231,38 +1257,62 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) mutex_lock(&wl->mutex); - wl->band = conf->channel->band; + if (unlikely(wl->state == WL1271_STATE_OFF)) + goto out; ret = wl1271_ps_elp_wakeup(wl, false); if (ret < 0) goto out; + /* if the channel changes while joined, join again */ + if (changed & IEEE80211_CONF_CHANGE_CHANNEL && + ((wl->band != conf->channel->band) || + (wl->channel != channel))) { + wl->band = conf->channel->band; + wl->channel = channel; + + /* + * FIXME: the mac80211 should really provide a fixed rate + * to use here. for now, just use the smallest possible rate + * for the band as a fixed rate for association frames and + * other control messages. + */ + if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) + wl1271_set_band_rate(wl); + + wl->basic_rate = wl1271_min_rate_get(wl); + ret = wl1271_acx_rate_policies(wl); + if (ret < 0) + wl1271_warning("rate policy for update channel " + "failed %d", ret); + + if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { + ret = wl1271_join(wl, false); + if (ret < 0) + wl1271_warning("cmd join to update channel " + "failed %d", ret); + } + } + if (changed & IEEE80211_CONF_CHANGE_IDLE) { if (conf->flags & IEEE80211_CONF_IDLE && test_bit(WL1271_FLAG_JOINED, &wl->flags)) - wl1271_unjoin_channel(wl); + wl1271_unjoin(wl); else if (!(conf->flags & IEEE80211_CONF_IDLE)) - wl1271_join_channel(wl, channel); + wl1271_dummy_join(wl); if (conf->flags & IEEE80211_CONF_IDLE) { - wl->rate_set = CONF_TX_RATE_MASK_BASIC; + wl->rate_set = wl1271_min_rate_get(wl); wl->sta_rate_set = 0; wl1271_acx_rate_policies(wl); - } + wl1271_acx_keep_alive_config( + wl, CMD_TEMPL_KLV_IDX_NULL_DATA, + ACX_KEEP_ALIVE_TPL_INVALID); + set_bit(WL1271_FLAG_IDLE, &wl->flags); + } else + clear_bit(WL1271_FLAG_IDLE, &wl->flags); } - /* if the channel changes while joined, join again */ - if (channel != wl->channel && - test_bit(WL1271_FLAG_JOINED, &wl->flags)) { - wl->channel = channel; - /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */ - ret = wl1271_cmd_join(wl); - if (ret < 0) - wl1271_warning("cmd join to update channel failed %d", - ret); - } else - wl->channel = channel; - if (conf->flags & IEEE80211_CONF_PS && !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); @@ -1273,13 +1323,13 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) * through the bss_info_changed() hook. */ if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { - wl1271_info("psm enabled"); + wl1271_debug(DEBUG_PSM, "psm enabled"); ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, true); } } else if (!(conf->flags & IEEE80211_CONF_PS) && test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { - wl1271_info("psm disabled"); + wl1271_debug(DEBUG_PSM, "psm disabled"); clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); @@ -1311,11 +1361,15 @@ struct wl1271_filter_params { u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; }; -static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count, - struct dev_addr_list *mc_list) +static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, + struct netdev_hw_addr_list *mc_list) { struct wl1271_filter_params *fp; - int i; + struct netdev_hw_addr *ha; + struct wl1271 *wl = hw->priv; + + if (unlikely(wl->state == WL1271_STATE_OFF)) + return 0; fp = kzalloc(sizeof(*fp), GFP_ATOMIC); if (!fp) { @@ -1324,21 +1378,16 @@ static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count, } /* update multicast filtering parameters */ - fp->enabled = true; - if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) { - mc_count = 0; - fp->enabled = false; - } - fp->mc_list_length = 0; - for (i = 0; i < mc_count; i++) { - if (mc_list->da_addrlen == ETH_ALEN) { + if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { + fp->enabled = false; + } else { + fp->enabled = true; + netdev_hw_addr_list_for_each(ha, mc_list) { memcpy(fp->mc_list[fp->mc_list_length], - mc_list->da_addr, ETH_ALEN); + ha->addr, ETH_ALEN); fp->mc_list_length++; - } else - wl1271_warning("Unknown mc address length."); - mc_list = mc_list->next; + } } return (u64)(unsigned long)fp; @@ -1363,15 +1412,16 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); - if (wl->state == WL1271_STATE_OFF) + *total &= WL1271_SUPPORTED_FILTERS; + changed &= WL1271_SUPPORTED_FILTERS; + + if (unlikely(wl->state == WL1271_STATE_OFF)) goto out; ret = wl1271_ps_elp_wakeup(wl, false); if (ret < 0) goto out; - *total &= WL1271_SUPPORTED_FILTERS; - changed &= WL1271_SUPPORTED_FILTERS; if (*total & FIF_ALLMULTI) ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); @@ -1382,14 +1432,14 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw, if (ret < 0) goto out_sleep; - kfree(fp); - - /* FIXME: We still need to set our filters properly */ - /* determine, whether supported filter values have changed */ if (changed == 0) goto out_sleep; + /* configure filters */ + wl->filters = *total; + wl1271_configure_filters(wl, 0); + /* apply configured filters */ ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); if (ret < 0) @@ -1400,6 +1450,7 @@ out_sleep: out: mutex_unlock(&wl->mutex); + kfree(fp); } static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, @@ -1450,15 +1501,15 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, key_type = KEY_TKIP; key_conf->hw_key_idx = key_conf->keyidx; - tx_seq_32 = wl->tx_security_seq_32; - tx_seq_16 = wl->tx_security_seq_16; + tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); + tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); break; case ALG_CCMP: key_type = KEY_AES; key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - tx_seq_32 = wl->tx_security_seq_32; - tx_seq_16 = wl->tx_security_seq_16; + tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); + tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); break; default: wl1271_error("Unknown key algo 0x%x", key_conf->alg); @@ -1508,8 +1559,6 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, default: wl1271_error("Unsupported key cmd 0x%x", cmd); ret = -EOPNOTSUPP; - goto out_sleep; - break; } @@ -1524,6 +1573,7 @@ out: } static int wl1271_op_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, struct cfg80211_scan_request *req) { struct wl1271 *wl = hw->priv; @@ -1545,10 +1595,12 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw, goto out; if (wl1271_11a_enabled()) - ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, + ret = wl1271_cmd_scan(hw->priv, ssid, len, + req->ie, req->ie_len, 1, 0, WL1271_SCAN_BAND_DUAL, 3); else - ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, + ret = wl1271_cmd_scan(hw->priv, ssid, len, + req->ie, req->ie_len, 1, 0, WL1271_SCAN_BAND_2_4_GHZ, 3); wl1271_ps_elp_sleep(wl); @@ -1562,10 +1614,13 @@ out: static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct wl1271 *wl = hw->priv; - int ret; + int ret = 0; mutex_lock(&wl->mutex); + if (unlikely(wl->state == WL1271_STATE_OFF)) + goto out; + ret = wl1271_ps_elp_wakeup(wl, false); if (ret < 0) goto out; @@ -1607,6 +1662,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, enum wl1271_cmd_ps_mode mode; struct wl1271 *wl = hw->priv; bool do_join = false; + bool set_assoc = false; int ret; wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); @@ -1617,20 +1673,29 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (ret < 0) goto out; - if (wl->bss_type == BSS_TYPE_IBSS) { - /* FIXME: This implements rudimentary ad-hoc support - - proper templates are on the wish list and notification - on when they change. This patch will update the templates - on every call to this function. */ + if ((changed && BSS_CHANGED_BEACON_INT) && + (wl->bss_type == BSS_TYPE_IBSS)) { + wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d", + bss_conf->beacon_int); + + wl->beacon_int = bss_conf->beacon_int; + do_join = true; + } + + if ((changed && BSS_CHANGED_BEACON) && + (wl->bss_type == BSS_TYPE_IBSS)) { struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); + wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated"); + if (beacon) { struct ieee80211_hdr *hdr; wl1271_ssid_set(wl, beacon); ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, beacon->data, - beacon->len); + beacon->len, 0, + wl1271_min_rate_get(wl)); if (ret < 0) { dev_kfree_skb(beacon); @@ -1645,7 +1710,8 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, beacon->data, - beacon->len); + beacon->len, 0, + wl1271_min_rate_get(wl)); dev_kfree_skb(beacon); if (ret < 0) goto out_sleep; @@ -1655,20 +1721,48 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } } + if ((changed & BSS_CHANGED_BEACON_ENABLED) && + (wl->bss_type == BSS_TYPE_IBSS)) { + wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", + bss_conf->enable_beacon ? "enabled" : "disabled"); + + if (bss_conf->enable_beacon) + wl->set_bss_type = BSS_TYPE_IBSS; + else + wl->set_bss_type = BSS_TYPE_STA_BSS; + do_join = true; + } + + if (changed & BSS_CHANGED_CQM) { + bool enable = false; + if (bss_conf->cqm_rssi_thold) + enable = true; + ret = wl1271_acx_rssi_snr_trigger(wl, enable, + bss_conf->cqm_rssi_thold, + bss_conf->cqm_rssi_hyst); + if (ret < 0) + goto out; + wl->rssi_thold = bss_conf->cqm_rssi_thold; + } + if ((changed & BSS_CHANGED_BSSID) && /* * Now we know the correct bssid, so we send a new join command * and enable the BSSID filter */ memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { - wl->rx_config |= CFG_BSSID_FILTER_EN; memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); + ret = wl1271_cmd_build_null_data(wl); - if (ret < 0) { - wl1271_warning("cmd buld null data failed %d", - ret); + if (ret < 0) + goto out_sleep; + + ret = wl1271_build_qos_null_data(wl); + if (ret < 0) goto out_sleep; - } + + /* filter out all packets not from this BSSID */ + wl1271_configure_filters(wl, 0); /* Need to update the BSSID (for filtering etc) */ do_join = true; @@ -1676,8 +1770,21 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { + u32 rates; wl->aid = bss_conf->aid; - set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); + set_assoc = true; + + /* + * use basic rates from AP, and determine lowest rate + * to use with control frames. + */ + rates = bss_conf->basic_rates; + wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, + rates); + wl->basic_rate = wl1271_min_rate_get(wl); + ret = wl1271_acx_rate_policies(wl); + if (ret < 0) + goto out_sleep; /* * with wl1271, we don't need to update the @@ -1689,7 +1796,17 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (ret < 0) goto out_sleep; - ret = wl1271_acx_aid(wl, wl->aid); + /* + * The SSID is intentionally set to NULL here - the + * firmware will set the probe request with a + * broadcast SSID regardless of what we set in the + * template. + */ + ret = wl1271_cmd_build_probe_req(wl, NULL, 0, + NULL, 0, wl->band); + + /* enable the connection monitoring feature */ + ret = wl1271_acx_conn_monit_params(wl, true); if (ret < 0) goto out_sleep; @@ -1705,6 +1822,22 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, /* use defaults when not associated */ clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); wl->aid = 0; + + /* revert back to minimum rates for the current band */ + wl1271_set_band_rate(wl); + wl->basic_rate = wl1271_min_rate_get(wl); + ret = wl1271_acx_rate_policies(wl); + if (ret < 0) + goto out_sleep; + + /* disable connection monitor features */ + ret = wl1271_acx_conn_monit_params(wl, false); + + /* Disable the keep-alive feature */ + ret = wl1271_acx_keep_alive_mode(wl, false); + + if (ret < 0) + goto out_sleep; } } @@ -1739,12 +1872,11 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } if (do_join) { - ret = wl1271_cmd_join(wl); + ret = wl1271_join(wl, set_assoc); if (ret < 0) { wl1271_warning("cmd join failed %d", ret); goto out_sleep; } - set_bit(WL1271_FLAG_JOINED, &wl->flags); } out_sleep: @@ -1758,6 +1890,7 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *params) { struct wl1271 *wl = hw->priv; + u8 ps_scheme; int ret; mutex_lock(&wl->mutex); @@ -1768,17 +1901,22 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, if (ret < 0) goto out; + /* the txop is confed in units of 32us by the mac80211, we need us */ ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), params->cw_min, params->cw_max, - params->aifs, params->txop); + params->aifs, params->txop << 5); if (ret < 0) goto out_sleep; + if (params->uapsd) + ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; + else + ps_scheme = CONF_PS_SCHEME_LEGACY; + ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), CONF_CHANNEL_TYPE_EDCF, wl1271_tx_get_queue(queue), - CONF_PS_SCHEME_LEGACY_PSPOLL, - CONF_ACK_POLICY_LEGACY, 0, 0); + ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0); if (ret < 0) goto out_sleep; @@ -1852,6 +1990,36 @@ static struct ieee80211_channel wl1271_channels[] = { { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, }; +/* mapping to indexes for wl1271_rates */ +const static u8 wl1271_rate_to_idx_2ghz[] = { + /* MCS rates are used only with 11n */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */ + + 11, /* CONF_HW_RXTX_RATE_54 */ + 10, /* CONF_HW_RXTX_RATE_48 */ + 9, /* CONF_HW_RXTX_RATE_36 */ + 8, /* CONF_HW_RXTX_RATE_24 */ + + /* TI-specific rate */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ + + 7, /* CONF_HW_RXTX_RATE_18 */ + 6, /* CONF_HW_RXTX_RATE_12 */ + 3, /* CONF_HW_RXTX_RATE_11 */ + 5, /* CONF_HW_RXTX_RATE_9 */ + 4, /* CONF_HW_RXTX_RATE_6 */ + 2, /* CONF_HW_RXTX_RATE_5_5 */ + 1, /* CONF_HW_RXTX_RATE_2 */ + 0 /* CONF_HW_RXTX_RATE_1 */ +}; + /* can't be const, mac80211 writes to this */ static struct ieee80211_supported_band wl1271_band_2ghz = { .channels = wl1271_channels, @@ -1934,6 +2102,35 @@ static struct ieee80211_channel wl1271_channels_5ghz[] = { { .hw_value = 165, .center_freq = 5825}, }; +/* mapping to indexes for wl1271_rates_5ghz */ +const static u8 wl1271_rate_to_idx_5ghz[] = { + /* MCS rates are used only with 11n */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */ + + 7, /* CONF_HW_RXTX_RATE_54 */ + 6, /* CONF_HW_RXTX_RATE_48 */ + 5, /* CONF_HW_RXTX_RATE_36 */ + 4, /* CONF_HW_RXTX_RATE_24 */ + + /* TI-specific rate */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ + + 3, /* CONF_HW_RXTX_RATE_18 */ + 2, /* CONF_HW_RXTX_RATE_12 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ + 1, /* CONF_HW_RXTX_RATE_9 */ + 0, /* CONF_HW_RXTX_RATE_6 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ + CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ +}; static struct ieee80211_supported_band wl1271_band_5ghz = { .channels = wl1271_channels_5ghz, @@ -1942,13 +2139,17 @@ static struct ieee80211_supported_band wl1271_band_5ghz = { .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), }; +const static u8 *wl1271_band_rate_to_idx[] = { + [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, + [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz +}; + static const struct ieee80211_ops wl1271_ops = { .start = wl1271_op_start, .stop = wl1271_op_stop, .add_interface = wl1271_op_add_interface, .remove_interface = wl1271_op_remove_interface, .config = wl1271_op_config, -/* .config_interface = wl1271_op_config_interface, */ .prepare_multicast = wl1271_op_prepare_multicast, .configure_filter = wl1271_op_configure_filter, .tx = wl1271_op_tx, @@ -1960,7 +2161,113 @@ static const struct ieee80211_ops wl1271_ops = { CFG80211_TESTMODE_CMD(wl1271_tm_cmd) }; -static int wl1271_register_hw(struct wl1271 *wl) + +u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate) +{ + u8 idx; + + BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); + + if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { + wl1271_error("Illegal RX rate from HW: %d", rate); + return 0; + } + + idx = wl1271_band_rate_to_idx[wl->band][rate]; + if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { + wl1271_error("Unsupported RX rate from HW: %d", rate); + return 0; + } + + return idx; +} + +static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wl1271 *wl = dev_get_drvdata(dev); + ssize_t len; + + /* FIXME: what's the maximum length of buf? page size?*/ + len = 500; + + mutex_lock(&wl->mutex); + len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", + wl->sg_enabled); + mutex_unlock(&wl->mutex); + + return len; + +} + +static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct wl1271 *wl = dev_get_drvdata(dev); + unsigned long res; + int ret; + + ret = strict_strtoul(buf, 10, &res); + + if (ret < 0) { + wl1271_warning("incorrect value written to bt_coex_mode"); + return count; + } + + mutex_lock(&wl->mutex); + + res = !!res; + + if (res == wl->sg_enabled) + goto out; + + wl->sg_enabled = res; + + if (wl->state == WL1271_STATE_OFF) + goto out; + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + wl1271_acx_sg_enable(wl, wl->sg_enabled); + wl1271_ps_elp_sleep(wl); + + out: + mutex_unlock(&wl->mutex); + return count; +} + +static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, + wl1271_sysfs_show_bt_coex_state, + wl1271_sysfs_store_bt_coex_state); + +static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wl1271 *wl = dev_get_drvdata(dev); + ssize_t len; + + /* FIXME: what's the maximum length of buf? page size?*/ + len = 500; + + mutex_lock(&wl->mutex); + if (wl->hw_pg_ver >= 0) + len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); + else + len = snprintf(buf, len, "n/a\n"); + mutex_unlock(&wl->mutex); + + return len; +} + +static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, + wl1271_sysfs_show_hw_pg_ver, NULL); + +int wl1271_register_hw(struct wl1271 *wl) { int ret; @@ -1981,8 +2288,17 @@ static int wl1271_register_hw(struct wl1271 *wl) return 0; } +EXPORT_SYMBOL_GPL(wl1271_register_hw); + +void wl1271_unregister_hw(struct wl1271 *wl) +{ + ieee80211_unregister_hw(wl->hw); + wl->mac80211_registered = false; + +} +EXPORT_SYMBOL_GPL(wl1271_unregister_hw); -static int wl1271_init_ieee80211(struct wl1271 *wl) +int wl1271_init_ieee80211(struct wl1271 *wl) { /* The tx descriptor buffer and the TKIP space. */ wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + @@ -1991,11 +2307,15 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) /* unit us */ /* FIXME: find a proper value */ wl->hw->channel_change_time = 10000; + wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_NOISE_DBM | IEEE80211_HW_BEACON_FILTER | - IEEE80211_HW_SUPPORTS_PS; + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_UAPSD | + IEEE80211_HW_HAS_RATE_CONTROL | + IEEE80211_HW_CONNECTION_MONITOR | + IEEE80211_HW_SUPPORTS_CQM_RSSI; wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); @@ -2005,51 +2325,53 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) if (wl1271_11a_enabled()) wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; - SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); + wl->hw->queues = 4; + wl->hw->max_rates = 1; - return 0; -} - -static void wl1271_device_release(struct device *dev) -{ + SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); + return 0; } - -static struct platform_device wl1271_device = { - .name = "wl1271", - .id = -1, - - /* device model insists to have a release function */ - .dev = { - .release = wl1271_device_release, - }, -}; +EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); #define WL1271_DEFAULT_CHANNEL 0 -static struct ieee80211_hw *wl1271_alloc_hw(void) +struct ieee80211_hw *wl1271_alloc_hw(void) { struct ieee80211_hw *hw; + struct platform_device *plat_dev = NULL; struct wl1271 *wl; - int i; + int i, ret; hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); if (!hw) { wl1271_error("could not alloc ieee80211_hw"); - return ERR_PTR(-ENOMEM); + ret = -ENOMEM; + goto err_hw_alloc; + } + + plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL); + if (!plat_dev) { + wl1271_error("could not allocate platform_device"); + ret = -ENOMEM; + goto err_plat_alloc; } + memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device)); + wl = hw->priv; memset(wl, 0, sizeof(*wl)); INIT_LIST_HEAD(&wl->list); wl->hw = hw; + wl->plat_dev = plat_dev; skb_queue_head_init(&wl->tx_queue); INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); wl->channel = WL1271_DEFAULT_CHANNEL; + wl->beacon_int = WL1271_DEFAULT_BEACON_INT; wl->default_key = 0; wl->rx_counter = 0; wl->rx_config = WL1271_DEFAULT_RX_CONFIG; @@ -2057,11 +2379,14 @@ static struct ieee80211_hw *wl1271_alloc_hw(void) wl->psm_entry_retry = 0; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; + wl->basic_rate = CONF_TX_RATE_MASK_BASIC; wl->rate_set = CONF_TX_RATE_MASK_BASIC; wl->sta_rate_set = 0; wl->band = IEEE80211_BAND_2GHZ; wl->vif = NULL; wl->flags = 0; + wl->sg_enabled = true; + wl->hw_pg_ver = -1; for (i = 0; i < ACX_TX_DESCRIPTORS; i++) wl->tx_frames[i] = NULL; @@ -2074,167 +2399,72 @@ static struct ieee80211_hw *wl1271_alloc_hw(void) /* Apply default driver configuration. */ wl1271_conf_init(wl); - return hw; -} - -int wl1271_free_hw(struct wl1271 *wl) -{ - ieee80211_unregister_hw(wl->hw); - - wl1271_debugfs_exit(wl); - - kfree(wl->target_mem_map); - vfree(wl->fw); - wl->fw = NULL; - kfree(wl->nvs); - wl->nvs = NULL; - - kfree(wl->fw_status); - kfree(wl->tx_res_if); - - ieee80211_free_hw(wl->hw); - - return 0; -} - -static int __devinit wl1271_probe(struct spi_device *spi) -{ - struct wl12xx_platform_data *pdata; - struct ieee80211_hw *hw; - struct wl1271 *wl; - int ret; + wl1271_debugfs_init(wl); - pdata = spi->dev.platform_data; - if (!pdata) { - wl1271_error("no platform data"); - return -ENODEV; + /* Register platform device */ + ret = platform_device_register(wl->plat_dev); + if (ret) { + wl1271_error("couldn't register platform device"); + goto err_hw; } + dev_set_drvdata(&wl->plat_dev->dev, wl); - hw = wl1271_alloc_hw(); - if (IS_ERR(hw)) - return PTR_ERR(hw); - - wl = hw->priv; - - dev_set_drvdata(&spi->dev, wl); - wl->spi = spi; - - /* This is the only SPI value that we need to set here, the rest - * comes from the board-peripherals file */ - spi->bits_per_word = 32; - - ret = spi_setup(spi); + /* Create sysfs file to control bt coex state */ + ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); if (ret < 0) { - wl1271_error("spi_setup failed"); - goto out_free; - } - - wl->set_power = pdata->set_power; - if (!wl->set_power) { - wl1271_error("set power function missing in platform data"); - ret = -ENODEV; - goto out_free; + wl1271_error("failed to create sysfs file bt_coex_state"); + goto err_platform; } - wl->irq = spi->irq; - if (wl->irq < 0) { - wl1271_error("irq missing in platform data"); - ret = -ENODEV; - goto out_free; - } - - ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); + /* Create sysfs file to get HW PG version */ + ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); if (ret < 0) { - wl1271_error("request_irq() failed: %d", ret); - goto out_free; - } - - set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); - - disable_irq(wl->irq); - - ret = platform_device_register(&wl1271_device); - if (ret) { - wl1271_error("couldn't register platform device"); - goto out_irq; + wl1271_error("failed to create sysfs file hw_pg_ver"); + goto err_bt_coex_state; } - dev_set_drvdata(&wl1271_device.dev, wl); - - ret = wl1271_init_ieee80211(wl); - if (ret) - goto out_platform; - - ret = wl1271_register_hw(wl); - if (ret) - goto out_platform; - - wl1271_debugfs_init(wl); - wl1271_notice("initialized"); + return hw; - return 0; +err_bt_coex_state: + device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); - out_platform: - platform_device_unregister(&wl1271_device); +err_platform: + platform_device_unregister(wl->plat_dev); - out_irq: - free_irq(wl->irq, wl); +err_hw: + wl1271_debugfs_exit(wl); + kfree(plat_dev); - out_free: +err_plat_alloc: ieee80211_free_hw(hw); - return ret; -} - -static int __devexit wl1271_remove(struct spi_device *spi) -{ - struct wl1271 *wl = dev_get_drvdata(&spi->dev); +err_hw_alloc: - platform_device_unregister(&wl1271_device); - free_irq(wl->irq, wl); - - wl1271_free_hw(wl); - - return 0; + return ERR_PTR(ret); } +EXPORT_SYMBOL_GPL(wl1271_alloc_hw); - -static struct spi_driver wl1271_spi_driver = { - .driver = { - .name = "wl1271", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - - .probe = wl1271_probe, - .remove = __devexit_p(wl1271_remove), -}; - -static int __init wl1271_init(void) +int wl1271_free_hw(struct wl1271 *wl) { - int ret; + platform_device_unregister(wl->plat_dev); + kfree(wl->plat_dev); - ret = spi_register_driver(&wl1271_spi_driver); - if (ret < 0) { - wl1271_error("failed to register spi driver: %d", ret); - goto out; - } + wl1271_debugfs_exit(wl); -out: - return ret; -} + vfree(wl->fw); + wl->fw = NULL; + kfree(wl->nvs); + wl->nvs = NULL; -static void __exit wl1271_exit(void) -{ - spi_unregister_driver(&wl1271_spi_driver); + kfree(wl->fw_status); + kfree(wl->tx_res_if); - wl1271_notice("unloaded"); -} + ieee80211_free_hw(wl->hw); -module_init(wl1271_init); -module_exit(wl1271_exit); + return 0; +} +EXPORT_SYMBOL_GPL(wl1271_free_hw); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); -MODULE_FIRMWARE(WL1271_FW_NAME); diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c index e2b1ebf..a5e60e0 100644 --- a/drivers/net/wireless/wl12xx/wl1271_ps.c +++ b/drivers/net/wireless/wl12xx/wl1271_ps.c @@ -23,7 +23,6 @@ #include "wl1271_reg.h" #include "wl1271_ps.h" -#include "wl1271_spi.h" #include "wl1271_io.h" #define WL1271_WAKEUP_TIMEOUT 500 @@ -41,7 +40,8 @@ void wl1271_elp_work(struct work_struct *work) mutex_lock(&wl->mutex); if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags) || - !test_bit(WL1271_FLAG_PSM, &wl->flags)) + (!test_bit(WL1271_FLAG_PSM, &wl->flags) && + !test_bit(WL1271_FLAG_IDLE, &wl->flags))) goto out; wl1271_debug(DEBUG_PSM, "chip to elp"); @@ -57,7 +57,8 @@ out: /* Routines to toggle sleep mode while in ELP */ void wl1271_ps_elp_sleep(struct wl1271 *wl) { - if (test_bit(WL1271_FLAG_PSM, &wl->flags)) { + if (test_bit(WL1271_FLAG_PSM, &wl->flags) || + test_bit(WL1271_FLAG_IDLE, &wl->flags)) { cancel_delayed_work(&wl->elp_work); ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, msecs_to_jiffies(ELP_ENTRY_DELAY)); diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c index c723d9c..57f4bfd 100644 --- a/drivers/net/wireless/wl12xx/wl1271_rx.c +++ b/drivers/net/wireless/wl12xx/wl1271_rx.c @@ -27,7 +27,6 @@ #include "wl1271_acx.h" #include "wl1271_reg.h" #include "wl1271_rx.h" -#include "wl1271_spi.h" #include "wl1271_io.h" static u8 wl1271_rx_get_mem_block(struct wl1271_fw_status *status, @@ -44,66 +43,6 @@ static u32 wl1271_rx_get_buf_size(struct wl1271_fw_status *status, RX_BUF_SIZE_MASK) >> RX_BUF_SIZE_SHIFT_DIV; } -/* The values of this table must match the wl1271_rates[] array */ -static u8 wl1271_rx_rate_to_idx[] = { - /* MCS rates are used only with 11n */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS7 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS6 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS5 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS4 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS3 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS2 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS1 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS0 */ - - 11, /* WL1271_RATE_54 */ - 10, /* WL1271_RATE_48 */ - 9, /* WL1271_RATE_36 */ - 8, /* WL1271_RATE_24 */ - - /* TI-specific rate */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_22 */ - - 7, /* WL1271_RATE_18 */ - 6, /* WL1271_RATE_12 */ - 3, /* WL1271_RATE_11 */ - 5, /* WL1271_RATE_9 */ - 4, /* WL1271_RATE_6 */ - 2, /* WL1271_RATE_5_5 */ - 1, /* WL1271_RATE_2 */ - 0 /* WL1271_RATE_1 */ -}; - -/* The values of this table must match the wl1271_rates[] array */ -static u8 wl1271_5_ghz_rx_rate_to_idx[] = { - /* MCS rates are used only with 11n */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS7 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS6 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS5 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS4 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS3 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS2 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS1 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS0 */ - - 7, /* WL1271_RATE_54 */ - 6, /* WL1271_RATE_48 */ - 5, /* WL1271_RATE_36 */ - 4, /* WL1271_RATE_24 */ - - /* TI-specific rate */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_22 */ - - 3, /* WL1271_RATE_18 */ - 2, /* WL1271_RATE_12 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_11 */ - 1, /* WL1271_RATE_9 */ - 0, /* WL1271_RATE_6 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_5_5 */ - WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_2 */ - WL1271_RX_RATE_UNSUPPORTED /* WL1271_RATE_1 */ -}; - static void wl1271_rx_status(struct wl1271 *wl, struct wl1271_rx_descriptor *desc, struct ieee80211_rx_status *status, @@ -111,20 +50,8 @@ static void wl1271_rx_status(struct wl1271 *wl, { memset(status, 0, sizeof(struct ieee80211_rx_status)); - if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == - WL1271_RX_DESC_BAND_BG) { - status->band = IEEE80211_BAND_2GHZ; - status->rate_idx = wl1271_rx_rate_to_idx[desc->rate]; - } else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == - WL1271_RX_DESC_BAND_A) { - status->band = IEEE80211_BAND_5GHZ; - status->rate_idx = wl1271_5_ghz_rx_rate_to_idx[desc->rate]; - } else - wl1271_warning("unsupported band 0x%x", - desc->flags & WL1271_RX_DESC_BAND_MASK); - - if (unlikely(status->rate_idx == WL1271_RX_RATE_UNSUPPORTED)) - wl1271_warning("unsupported rate"); + status->band = wl->band; + status->rate_idx = wl1271_rate_to_idx(wl, desc->rate); /* * FIXME: Add mactime handling. For IBSS (ad-hoc) we need to get the @@ -134,13 +61,6 @@ static void wl1271_rx_status(struct wl1271 *wl, */ status->signal = desc->rssi; - /* - * FIXME: In wl1251, the SNR should be divided by two. In wl1271 we - * need to divide by two for now, but TI has been discussing about - * changing it. This needs to be rechecked. - */ - status->noise = desc->rssi - (desc->snr >> 1); - status->freq = ieee80211_channel_to_frequency(desc->channel); if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) { @@ -162,6 +82,13 @@ static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length) u8 *buf; u8 beacon = 0; + /* + * In PLT mode we seem to get frames and mac80211 warns about them, + * workaround this by not retrieving them at all. + */ + if (unlikely(wl->state == WL1271_STATE_PLT)) + return; + skb = __dev_alloc_skb(length, GFP_KERNEL); if (!skb) { wl1271_error("Couldn't allocate RX frame"); @@ -220,6 +147,7 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status) wl->rx_counter++; drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK; - wl1271_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter); } + + wl1271_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter); } diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.h b/drivers/net/wireless/wl12xx/wl1271_rx.h index 1ae6d17..b89be47 100644 --- a/drivers/net/wireless/wl12xx/wl1271_rx.h +++ b/drivers/net/wireless/wl12xx/wl1271_rx.h @@ -43,7 +43,6 @@ #define RX_MAX_PACKET_ID 3 #define NUM_RX_PKT_DESC_MOD_MASK 7 -#define WL1271_RX_RATE_UNSUPPORTED 0xFF #define RX_DESC_VALID_FCS 0x0001 #define RX_DESC_MATCH_RXADDR1 0x0002 @@ -117,5 +116,6 @@ struct wl1271_rx_descriptor { } __attribute__ ((packed)); void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status); +u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate); #endif diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/wl1271_sdio.c new file mode 100644 index 0000000..d3d6f30 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_sdio.c @@ -0,0 +1,291 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009-2010 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@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/irq.h> +#include <linux/module.h> +#include <linux/crc7.h> +#include <linux/vmalloc.h> +#include <linux/mmc/sdio_func.h> +#include <linux/mmc/sdio_ids.h> +#include <linux/mmc/card.h> +#include <plat/gpio.h> + +#include "wl1271.h" +#include "wl12xx_80211.h" +#include "wl1271_io.h" + + +#define RX71_WL1271_IRQ_GPIO 42 + +#ifndef SDIO_VENDOR_ID_TI +#define SDIO_VENDOR_ID_TI 0x0097 +#endif + +#ifndef SDIO_DEVICE_ID_TI_WL1271 +#define SDIO_DEVICE_ID_TI_WL1271 0x4076 +#endif + +static const struct sdio_device_id wl1271_devices[] = { + { SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271) }, + {} +}; +MODULE_DEVICE_TABLE(sdio, wl1271_devices); + +static inline struct sdio_func *wl_to_func(struct wl1271 *wl) +{ + return wl->if_priv; +} + +static struct device *wl1271_sdio_wl_to_dev(struct wl1271 *wl) +{ + return &(wl_to_func(wl)->dev); +} + +static irqreturn_t wl1271_irq(int irq, void *cookie) +{ + struct wl1271 *wl = cookie; + unsigned long flags; + + wl1271_debug(DEBUG_IRQ, "IRQ"); + + /* complete the ELP completion */ + spin_lock_irqsave(&wl->wl_lock, flags); + if (wl->elp_compl) { + complete(wl->elp_compl); + wl->elp_compl = NULL; + } + + if (!test_and_set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags)) + ieee80211_queue_work(wl->hw, &wl->irq_work); + set_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); + spin_unlock_irqrestore(&wl->wl_lock, flags); + + return IRQ_HANDLED; +} + +static void wl1271_sdio_disable_interrupts(struct wl1271 *wl) +{ + disable_irq(wl->irq); +} + +static void wl1271_sdio_enable_interrupts(struct wl1271 *wl) +{ + enable_irq(wl->irq); +} + +static void wl1271_sdio_reset(struct wl1271 *wl) +{ +} + +static void wl1271_sdio_init(struct wl1271 *wl) +{ +} + +static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) +{ + int ret; + struct sdio_func *func = wl_to_func(wl); + + if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) { + ((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret); + wl1271_debug(DEBUG_SDIO, "sdio read 52 addr 0x%x, byte 0x%02x", + addr, ((u8 *)buf)[0]); + } else { + if (fixed) + ret = sdio_readsb(func, buf, addr, len); + else + ret = sdio_memcpy_fromio(func, buf, addr, len); + + wl1271_debug(DEBUG_SDIO, "sdio read 53 addr 0x%x, %zu bytes", + addr, len); + wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len); + } + + if (ret) + wl1271_error("sdio read failed (%d)", ret); + +} + +static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) +{ + int ret; + struct sdio_func *func = wl_to_func(wl); + + if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) { + sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret); + wl1271_debug(DEBUG_SDIO, "sdio write 52 addr 0x%x, byte 0x%02x", + addr, ((u8 *)buf)[0]); + } else { + wl1271_debug(DEBUG_SDIO, "sdio write 53 addr 0x%x, %zu bytes", + addr, len); + wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len); + + if (fixed) + ret = sdio_writesb(func, addr, buf, len); + else + ret = sdio_memcpy_toio(func, addr, buf, len); + } + if (ret) + wl1271_error("sdio write failed (%d)", ret); + +} + +static void wl1271_sdio_set_power(struct wl1271 *wl, bool enable) +{ + struct sdio_func *func = wl_to_func(wl); + + /* Let the SDIO stack handle wlan_enable control, so we + * keep host claimed while wlan is in use to keep wl1271 + * alive. + */ + if (enable) { + sdio_claim_host(func); + sdio_enable_func(func); + } else { + sdio_disable_func(func); + sdio_release_host(func); + } +} + +static struct wl1271_if_operations sdio_ops = { + .read = wl1271_sdio_raw_read, + .write = wl1271_sdio_raw_write, + .reset = wl1271_sdio_reset, + .init = wl1271_sdio_init, + .power = wl1271_sdio_set_power, + .dev = wl1271_sdio_wl_to_dev, + .enable_irq = wl1271_sdio_enable_interrupts, + .disable_irq = wl1271_sdio_disable_interrupts +}; + +static int __devinit wl1271_probe(struct sdio_func *func, + const struct sdio_device_id *id) +{ + struct ieee80211_hw *hw; + struct wl1271 *wl; + int ret; + + /* We are only able to handle the wlan function */ + if (func->num != 0x02) + return -ENODEV; + + hw = wl1271_alloc_hw(); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + wl = hw->priv; + + wl->if_priv = func; + wl->if_ops = &sdio_ops; + + /* Grab access to FN0 for ELP reg. */ + func->card->quirks |= MMC_QUIRK_LENIENT_FN0; + + wl->irq = gpio_to_irq(RX71_WL1271_IRQ_GPIO); + if (wl->irq < 0) { + ret = wl->irq; + wl1271_error("could not get irq!"); + goto out_free; + } + + ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); + if (ret < 0) { + wl1271_error("request_irq() failed: %d", ret); + goto out_free; + } + + set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); + + disable_irq(wl->irq); + + ret = wl1271_init_ieee80211(wl); + if (ret) + goto out_irq; + + ret = wl1271_register_hw(wl); + if (ret) + goto out_irq; + + sdio_set_drvdata(func, wl); + + wl1271_notice("initialized"); + + return 0; + + out_irq: + free_irq(wl->irq, wl); + + + out_free: + wl1271_free_hw(wl); + + return ret; +} + +static void __devexit wl1271_remove(struct sdio_func *func) +{ + struct wl1271 *wl = sdio_get_drvdata(func); + + free_irq(wl->irq, wl); + + wl1271_unregister_hw(wl); + wl1271_free_hw(wl); +} + +static struct sdio_driver wl1271_sdio_driver = { + .name = "wl1271_sdio", + .id_table = wl1271_devices, + .probe = wl1271_probe, + .remove = __devexit_p(wl1271_remove), +}; + +static int __init wl1271_init(void) +{ + int ret; + + ret = sdio_register_driver(&wl1271_sdio_driver); + if (ret < 0) { + wl1271_error("failed to register sdio driver: %d", ret); + goto out; + } + +out: + return ret; +} + +static void __exit wl1271_exit(void) +{ + sdio_unregister_driver(&wl1271_sdio_driver); + + wl1271_notice("unloaded"); +} + +module_init(wl1271_init); +module_exit(wl1271_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); +MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); +MODULE_FIRMWARE(WL1271_FW_NAME); diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c index 053c84a..5189b81 100644 --- a/drivers/net/wireless/wl12xx/wl1271_spi.c +++ b/drivers/net/wireless/wl12xx/wl1271_spi.c @@ -21,18 +21,69 @@ * */ +#include <linux/irq.h> #include <linux/module.h> -#include <linux/platform_device.h> #include <linux/crc7.h> #include <linux/spi/spi.h> +#include <linux/spi/wl12xx.h> #include <linux/slab.h> #include "wl1271.h" #include "wl12xx_80211.h" -#include "wl1271_spi.h" +#include "wl1271_io.h" + +#include "wl1271_reg.h" + +#define WSPI_CMD_READ 0x40000000 +#define WSPI_CMD_WRITE 0x00000000 +#define WSPI_CMD_FIXED 0x20000000 +#define WSPI_CMD_BYTE_LENGTH 0x1FFE0000 +#define WSPI_CMD_BYTE_LENGTH_OFFSET 17 +#define WSPI_CMD_BYTE_ADDR 0x0001FFFF + +#define WSPI_INIT_CMD_CRC_LEN 5 + +#define WSPI_INIT_CMD_START 0x00 +#define WSPI_INIT_CMD_TX 0x40 +/* the extra bypass bit is sampled by the TNET as '1' */ +#define WSPI_INIT_CMD_BYPASS_BIT 0x80 +#define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07 +#define WSPI_INIT_CMD_EN_FIXEDBUSY 0x80 +#define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00 +#define WSPI_INIT_CMD_IOD 0x40 +#define WSPI_INIT_CMD_IP 0x20 +#define WSPI_INIT_CMD_CS 0x10 +#define WSPI_INIT_CMD_WS 0x08 +#define WSPI_INIT_CMD_WSPI 0x01 +#define WSPI_INIT_CMD_END 0x01 + +#define WSPI_INIT_CMD_LEN 8 + +#define HW_ACCESS_WSPI_FIXED_BUSY_LEN \ + ((WL1271_BUSY_WORD_LEN - 4) / sizeof(u32)) +#define HW_ACCESS_WSPI_INIT_CMD_MASK 0 + +static inline struct spi_device *wl_to_spi(struct wl1271 *wl) +{ + return wl->if_priv; +} +static struct device *wl1271_spi_wl_to_dev(struct wl1271 *wl) +{ + return &(wl_to_spi(wl)->dev); +} -void wl1271_spi_reset(struct wl1271 *wl) +static void wl1271_spi_disable_interrupts(struct wl1271 *wl) +{ + disable_irq(wl->irq); +} + +static void wl1271_spi_enable_interrupts(struct wl1271 *wl) +{ + enable_irq(wl->irq); +} + +static void wl1271_spi_reset(struct wl1271 *wl) { u8 *cmd; struct spi_transfer t; @@ -53,12 +104,13 @@ void wl1271_spi_reset(struct wl1271 *wl) t.len = WSPI_INIT_CMD_LEN; spi_message_add_tail(&t, &m); - spi_sync(wl->spi, &m); + spi_sync(wl_to_spi(wl), &m); + kfree(cmd); wl1271_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN); } -void wl1271_spi_init(struct wl1271 *wl) +static void wl1271_spi_init(struct wl1271 *wl) { u8 crc[WSPI_INIT_CMD_CRC_LEN], *cmd; struct spi_transfer t; @@ -107,48 +159,25 @@ void wl1271_spi_init(struct wl1271 *wl) t.len = WSPI_INIT_CMD_LEN; spi_message_add_tail(&t, &m); - spi_sync(wl->spi, &m); + spi_sync(wl_to_spi(wl), &m); + kfree(cmd); wl1271_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN); } #define WL1271_BUSY_WORD_TIMEOUT 1000 -/* FIXME: Check busy words, removed due to SPI bug */ -#if 0 -static void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len) +static int wl1271_spi_read_busy(struct wl1271 *wl) { struct spi_transfer t[1]; struct spi_message m; u32 *busy_buf; int num_busy_bytes = 0; - wl1271_info("spi read BUSY!"); - - /* - * Look for the non-busy word in the read buffer, and if found, - * read in the remaining data into the buffer. - */ - busy_buf = (u32 *)buf; - for (; (u32)busy_buf < (u32)buf + len; busy_buf++) { - num_busy_bytes += sizeof(u32); - if (*busy_buf & 0x1) { - spi_message_init(&m); - memset(t, 0, sizeof(t)); - memmove(buf, busy_buf, len - num_busy_bytes); - t[0].rx_buf = buf + (len - num_busy_bytes); - t[0].len = num_busy_bytes; - spi_message_add_tail(&t[0], &m); - spi_sync(wl->spi, &m); - return; - } - } - /* * Read further busy words from SPI until a non-busy word is * encountered, then read the data itself into the buffer. */ - wl1271_info("spi read BUSY-polling needed!"); num_busy_bytes = WL1271_BUSY_WORD_TIMEOUT; busy_buf = wl->buffer_busyword; @@ -158,28 +187,21 @@ static void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len) memset(t, 0, sizeof(t)); t[0].rx_buf = busy_buf; t[0].len = sizeof(u32); + t[0].cs_change = true; spi_message_add_tail(&t[0], &m); - spi_sync(wl->spi, &m); - - if (*busy_buf & 0x1) { - spi_message_init(&m); - memset(t, 0, sizeof(t)); - t[0].rx_buf = buf; - t[0].len = len; - spi_message_add_tail(&t[0], &m); - spi_sync(wl->spi, &m); - return; - } + spi_sync(wl_to_spi(wl), &m); + + if (*busy_buf & 0x1) + return 0; } /* The SPI bus is unresponsive, the read failed. */ - memset(buf, 0, len); wl1271_error("SPI read busy-word timeout!\n"); + return -ETIMEDOUT; } -#endif -void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) +static void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf, + size_t len, bool fixed) { struct spi_transfer t[3]; struct spi_message m; @@ -202,28 +224,38 @@ void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf, t[0].tx_buf = cmd; t[0].len = 4; + t[0].cs_change = true; spi_message_add_tail(&t[0], &m); /* Busy and non busy words read */ t[1].rx_buf = busy_buf; t[1].len = WL1271_BUSY_WORD_LEN; + t[1].cs_change = true; spi_message_add_tail(&t[1], &m); - t[2].rx_buf = buf; - t[2].len = len; - spi_message_add_tail(&t[2], &m); + spi_sync(wl_to_spi(wl), &m); - spi_sync(wl->spi, &m); + if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1) && + wl1271_spi_read_busy(wl)) { + memset(buf, 0, len); + return; + } - /* FIXME: Check busy words, removed due to SPI bug */ - /* if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1)) - wl1271_spi_read_busy(wl, buf, len); */ + spi_message_init(&m); + memset(t, 0, sizeof(t)); + + t[0].rx_buf = buf; + t[0].len = len; + t[0].cs_change = true; + spi_message_add_tail(&t[0], &m); + + spi_sync(wl_to_spi(wl), &m); wl1271_dump(DEBUG_SPI, "spi_read cmd -> ", cmd, sizeof(*cmd)); wl1271_dump(DEBUG_SPI, "spi_read buf <- ", buf, len); } -void wl1271_spi_raw_write(struct wl1271 *wl, int addr, void *buf, +static void wl1271_spi_raw_write(struct wl1271 *wl, int addr, void *buf, size_t len, bool fixed) { struct spi_transfer t[2]; @@ -251,8 +283,181 @@ void wl1271_spi_raw_write(struct wl1271 *wl, int addr, void *buf, t[1].len = len; spi_message_add_tail(&t[1], &m); - spi_sync(wl->spi, &m); + spi_sync(wl_to_spi(wl), &m); wl1271_dump(DEBUG_SPI, "spi_write cmd -> ", cmd, sizeof(*cmd)); wl1271_dump(DEBUG_SPI, "spi_write buf -> ", buf, len); } + +static irqreturn_t wl1271_irq(int irq, void *cookie) +{ + struct wl1271 *wl; + unsigned long flags; + + wl1271_debug(DEBUG_IRQ, "IRQ"); + + wl = cookie; + + /* complete the ELP completion */ + spin_lock_irqsave(&wl->wl_lock, flags); + if (wl->elp_compl) { + complete(wl->elp_compl); + wl->elp_compl = NULL; + } + + if (!test_and_set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags)) + ieee80211_queue_work(wl->hw, &wl->irq_work); + set_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); + spin_unlock_irqrestore(&wl->wl_lock, flags); + + return IRQ_HANDLED; +} + +static void wl1271_spi_set_power(struct wl1271 *wl, bool enable) +{ + if (wl->set_power) + wl->set_power(enable); +} + +static struct wl1271_if_operations spi_ops = { + .read = wl1271_spi_raw_read, + .write = wl1271_spi_raw_write, + .reset = wl1271_spi_reset, + .init = wl1271_spi_init, + .power = wl1271_spi_set_power, + .dev = wl1271_spi_wl_to_dev, + .enable_irq = wl1271_spi_enable_interrupts, + .disable_irq = wl1271_spi_disable_interrupts +}; + +static int __devinit wl1271_probe(struct spi_device *spi) +{ + struct wl12xx_platform_data *pdata; + struct ieee80211_hw *hw; + struct wl1271 *wl; + int ret; + + pdata = spi->dev.platform_data; + if (!pdata) { + wl1271_error("no platform data"); + return -ENODEV; + } + + hw = wl1271_alloc_hw(); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + wl = hw->priv; + + dev_set_drvdata(&spi->dev, wl); + wl->if_priv = spi; + + wl->if_ops = &spi_ops; + + /* This is the only SPI value that we need to set here, the rest + * comes from the board-peripherals file */ + spi->bits_per_word = 32; + + ret = spi_setup(spi); + if (ret < 0) { + wl1271_error("spi_setup failed"); + goto out_free; + } + + wl->set_power = pdata->set_power; + if (!wl->set_power) { + wl1271_error("set power function missing in platform data"); + ret = -ENODEV; + goto out_free; + } + + wl->irq = spi->irq; + if (wl->irq < 0) { + wl1271_error("irq missing in platform data"); + ret = -ENODEV; + goto out_free; + } + + ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); + if (ret < 0) { + wl1271_error("request_irq() failed: %d", ret); + goto out_free; + } + + set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); + + disable_irq(wl->irq); + + ret = wl1271_init_ieee80211(wl); + if (ret) + goto out_irq; + + ret = wl1271_register_hw(wl); + if (ret) + goto out_irq; + + wl1271_notice("initialized"); + + return 0; + + out_irq: + free_irq(wl->irq, wl); + + out_free: + wl1271_free_hw(wl); + + return ret; +} + +static int __devexit wl1271_remove(struct spi_device *spi) +{ + struct wl1271 *wl = dev_get_drvdata(&spi->dev); + + free_irq(wl->irq, wl); + + wl1271_unregister_hw(wl); + wl1271_free_hw(wl); + + return 0; +} + + +static struct spi_driver wl1271_spi_driver = { + .driver = { + .name = "wl1271_spi", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + + .probe = wl1271_probe, + .remove = __devexit_p(wl1271_remove), +}; + +static int __init wl1271_init(void) +{ + int ret; + + ret = spi_register_driver(&wl1271_spi_driver); + if (ret < 0) { + wl1271_error("failed to register spi driver: %d", ret); + goto out; + } + +out: + return ret; +} + +static void __exit wl1271_exit(void) +{ + spi_unregister_driver(&wl1271_spi_driver); + + wl1271_notice("unloaded"); +} + +module_init(wl1271_init); +module_exit(wl1271_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); +MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); +MODULE_FIRMWARE(WL1271_FW_NAME); diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.h b/drivers/net/wireless/wl12xx/wl1271_spi.h deleted file mode 100644 index a803596..0000000 --- a/drivers/net/wireless/wl12xx/wl1271_spi.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * This file is part of wl1271 - * - * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. - * Copyright (C) 2008-2009 Nokia Corporation - * - * Contact: Luciano Coelho <luciano.coelho@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 - * - */ - -#ifndef __WL1271_SPI_H__ -#define __WL1271_SPI_H__ - -#include "wl1271_reg.h" - -#define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 - -#define HW_PARTITION_REGISTERS_ADDR 0x1ffc0 -#define HW_PART0_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR) -#define HW_PART0_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 4) -#define HW_PART1_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 8) -#define HW_PART1_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 12) -#define HW_PART2_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 16) -#define HW_PART2_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 20) -#define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 24) - -#define HW_ACCESS_REGISTER_SIZE 4 - -#define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 - -#define WSPI_CMD_READ 0x40000000 -#define WSPI_CMD_WRITE 0x00000000 -#define WSPI_CMD_FIXED 0x20000000 -#define WSPI_CMD_BYTE_LENGTH 0x1FFE0000 -#define WSPI_CMD_BYTE_LENGTH_OFFSET 17 -#define WSPI_CMD_BYTE_ADDR 0x0001FFFF - -#define WSPI_INIT_CMD_CRC_LEN 5 - -#define WSPI_INIT_CMD_START 0x00 -#define WSPI_INIT_CMD_TX 0x40 -/* the extra bypass bit is sampled by the TNET as '1' */ -#define WSPI_INIT_CMD_BYPASS_BIT 0x80 -#define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07 -#define WSPI_INIT_CMD_EN_FIXEDBUSY 0x80 -#define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00 -#define WSPI_INIT_CMD_IOD 0x40 -#define WSPI_INIT_CMD_IP 0x20 -#define WSPI_INIT_CMD_CS 0x10 -#define WSPI_INIT_CMD_WS 0x08 -#define WSPI_INIT_CMD_WSPI 0x01 -#define WSPI_INIT_CMD_END 0x01 - -#define WSPI_INIT_CMD_LEN 8 - -#define HW_ACCESS_WSPI_FIXED_BUSY_LEN \ - ((WL1271_BUSY_WORD_LEN - 4) / sizeof(u32)) -#define HW_ACCESS_WSPI_INIT_CMD_MASK 0 - -#define OCP_CMD_LOOP 32 - -#define OCP_CMD_WRITE 0x1 -#define OCP_CMD_READ 0x2 - -#define OCP_READY_MASK BIT(18) -#define OCP_STATUS_MASK (BIT(16) | BIT(17)) - -#define OCP_STATUS_NO_RESP 0x00000 -#define OCP_STATUS_OK 0x10000 -#define OCP_STATUS_REQ_FAILED 0x20000 -#define OCP_STATUS_RESP_ERROR 0x30000 - -/* Raw target IO, address is not translated */ -void wl1271_spi_raw_write(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed); -void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed); - -/* INIT and RESET words */ -void wl1271_spi_reset(struct wl1271 *wl); -void wl1271_spi_init(struct wl1271 *wl); -#endif /* __WL1271_SPI_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1271_testmode.c b/drivers/net/wireless/wl12xx/wl1271_testmode.c index 5c1c4f5..554deb4 100644 --- a/drivers/net/wireless/wl12xx/wl1271_testmode.c +++ b/drivers/net/wireless/wl12xx/wl1271_testmode.c @@ -26,7 +26,6 @@ #include <net/genetlink.h> #include "wl1271.h" -#include "wl1271_spi.h" #include "wl1271_acx.h" #define WL1271_TM_MAX_DATA_LENGTH 1024 diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c index 811e739..62db795 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.c +++ b/drivers/net/wireless/wl12xx/wl1271_tx.c @@ -25,7 +25,6 @@ #include <linux/module.h> #include "wl1271.h" -#include "wl1271_spi.h" #include "wl1271_io.h" #include "wl1271_reg.h" #include "wl1271_ps.h" @@ -47,7 +46,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra) { struct wl1271_tx_hw_descr *desc; u32 total_len = skb->len + sizeof(struct wl1271_tx_hw_descr) + extra; - u32 total_blocks, excluded; + u32 total_blocks; int id, ret = -EBUSY; /* allocate free identifier for the packet */ @@ -57,12 +56,8 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra) /* approximate the number of blocks required for this packet in the firmware */ - /* FIXME: try to figure out what is done here and make it cleaner */ - total_blocks = (total_len + 20) >> TX_HW_BLOCK_SHIFT_DIV; - excluded = (total_blocks << 2) + ((total_len + 20) & 0xff) + 34; - total_blocks += (excluded > 252) ? 2 : 1; - total_blocks += TX_HW_BLOCK_SPARE; - + total_blocks = total_len + TX_HW_BLOCK_SIZE - 1; + total_blocks = total_blocks / TX_HW_BLOCK_SIZE + TX_HW_BLOCK_SPARE; if (total_blocks <= wl->tx_blocks_available) { desc = (struct wl1271_tx_hw_descr *)skb_push( skb, total_len - skb->len); @@ -87,8 +82,10 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra) static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, u32 extra, struct ieee80211_tx_info *control) { + struct timespec ts; struct wl1271_tx_hw_descr *desc; int pad, ac; + s64 hosttime; u16 tx_attr; desc = (struct wl1271_tx_hw_descr *) skb->data; @@ -102,8 +99,9 @@ static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, } /* configure packet life time */ - desc->start_time = cpu_to_le32(jiffies_to_usecs(jiffies) - - wl->time_offset); + getnstimeofday(&ts); + hosttime = (timespec_to_ns(&ts) >> 10); + desc->start_time = cpu_to_le32(hosttime - wl->time_offset); desc->life_time = cpu_to_le16(TX_HW_MGMT_PKT_LIFETIME_TU); /* configure the tx attributes */ @@ -170,7 +168,6 @@ static int wl1271_tx_send_packet(struct wl1271 *wl, struct sk_buff *skb, /* write packet new counter into the write access register */ wl->tx_packets_count++; - wl1271_write32(wl, WL1271_HOST_WR_ACCESS, wl->tx_packets_count); desc = (struct wl1271_tx_hw_descr *) skb->data; wl1271_debug(DEBUG_TX, "tx id %u skb 0x%p payload %u (%u words)", @@ -223,7 +220,7 @@ static int wl1271_tx_frame(struct wl1271 *wl, struct sk_buff *skb) return ret; } -static u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set) +u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set) { struct ieee80211_supported_band *band; u32 enabled_rates = 0; @@ -245,6 +242,7 @@ void wl1271_tx_work(struct work_struct *work) struct sk_buff *skb; bool woken_up = false; u32 sta_rates = 0; + u32 prev_tx_packets_count; int ret; /* check if the rates supported by the AP have changed */ @@ -261,6 +259,8 @@ void wl1271_tx_work(struct work_struct *work) if (unlikely(wl->state == WL1271_STATE_OFF)) goto out; + prev_tx_packets_count = wl->tx_packets_count; + /* if rates have changed, re-configure the rate policy */ if (unlikely(sta_rates)) { wl->rate_set = wl1271_tx_enabled_rates_get(wl, sta_rates); @@ -271,31 +271,26 @@ void wl1271_tx_work(struct work_struct *work) if (!woken_up) { ret = wl1271_ps_elp_wakeup(wl, false); if (ret < 0) - goto out; + goto out_ack; woken_up = true; } ret = wl1271_tx_frame(wl, skb); if (ret == -EBUSY) { - /* firmware buffer is full, stop queues */ - wl1271_debug(DEBUG_TX, "tx_work: fw buffer full, " - "stop queues"); - ieee80211_stop_queues(wl->hw); - set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); + /* firmware buffer is full, lets stop transmitting. */ skb_queue_head(&wl->tx_queue, skb); - goto out; + goto out_ack; } else if (ret < 0) { dev_kfree_skb(skb); - goto out; - } else if (test_and_clear_bit(WL1271_FLAG_TX_QUEUE_STOPPED, - &wl->flags)) { - /* firmware buffer has space, restart queues */ - wl1271_debug(DEBUG_TX, - "complete_packet: waking queues"); - ieee80211_wake_queues(wl->hw); + goto out_ack; } } +out_ack: + /* interrupt the firmware with the new packets */ + if (prev_tx_packets_count != wl->tx_packets_count) + wl1271_write32(wl, WL1271_HOST_WR_ACCESS, wl->tx_packets_count); + out: if (woken_up) wl1271_ps_elp_sleep(wl); @@ -308,11 +303,12 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, { struct ieee80211_tx_info *info; struct sk_buff *skb; - u16 seq; int id = result->id; + int rate = -1; + u8 retries = 0; /* check for id legality */ - if (id >= ACX_TX_DESCRIPTORS || wl->tx_frames[id] == NULL) { + if (unlikely(id >= ACX_TX_DESCRIPTORS || wl->tx_frames[id] == NULL)) { wl1271_warning("TX result illegal id: %d", id); return; } @@ -320,31 +316,29 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, skb = wl->tx_frames[id]; info = IEEE80211_SKB_CB(skb); - /* update packet status */ - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { - if (result->status == TX_SUCCESS) + /* update the TX status info */ + if (result->status == TX_SUCCESS) { + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) info->flags |= IEEE80211_TX_STAT_ACK; - if (result->status & TX_RETRY_EXCEEDED) { - /* FIXME */ - /* info->status.excessive_retries = 1; */ - wl->stats.excessive_retries++; - } + rate = wl1271_rate_to_idx(wl, result->rate_class_index); + retries = result->ack_failures; + } else if (result->status == TX_RETRY_EXCEEDED) { + wl->stats.excessive_retries++; + retries = result->ack_failures; } - /* FIXME */ - /* info->status.retry_count = result->ack_failures; */ + info->status.rates[0].idx = rate; + info->status.rates[0].count = retries; + info->status.rates[0].flags = 0; + info->status.ack_signal = -1; + wl->stats.retry_count += result->ack_failures; /* update security sequence number */ - seq = wl->tx_security_seq_16 + - (result->lsb_security_sequence_number - - wl->tx_security_last_seq); + wl->tx_security_seq += (result->lsb_security_sequence_number - + wl->tx_security_last_seq); wl->tx_security_last_seq = result->lsb_security_sequence_number; - if (seq < wl->tx_security_seq_16) - wl->tx_security_seq_32++; - wl->tx_security_seq_16 = seq; - /* remove private header from packet */ skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); @@ -367,23 +361,29 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, } /* Called upon reception of a TX complete interrupt */ -void wl1271_tx_complete(struct wl1271 *wl, u32 count) +void wl1271_tx_complete(struct wl1271 *wl) { struct wl1271_acx_mem_map *memmap = (struct wl1271_acx_mem_map *)wl->target_mem_map; + u32 count, fw_counter; u32 i; - wl1271_debug(DEBUG_TX, "tx_complete received, packets: %d", count); - /* read the tx results from the chipset */ wl1271_read(wl, le32_to_cpu(memmap->tx_result), wl->tx_res_if, sizeof(*wl->tx_res_if), false); + fw_counter = le32_to_cpu(wl->tx_res_if->tx_result_fw_counter); + + /* write host counter to chipset (to ack) */ + wl1271_write32(wl, le32_to_cpu(memmap->tx_result) + + offsetof(struct wl1271_tx_hw_res_if, + tx_result_host_counter), fw_counter); + + count = fw_counter - wl->tx_results_count; + wl1271_debug(DEBUG_TX, "tx_complete received, packets: %d", count); /* verify that the result buffer is not getting overrun */ - if (count > TX_HW_RESULT_QUEUE_LEN) { + if (unlikely(count > TX_HW_RESULT_QUEUE_LEN)) wl1271_warning("TX result overflow from chipset: %d", count); - count = TX_HW_RESULT_QUEUE_LEN; - } /* process the results */ for (i = 0; i < count; i++) { @@ -397,11 +397,18 @@ void wl1271_tx_complete(struct wl1271 *wl, u32 count) wl->tx_results_count++; } - /* write host counter to chipset (to ack) */ - wl1271_write32(wl, le32_to_cpu(memmap->tx_result) + - offsetof(struct wl1271_tx_hw_res_if, - tx_result_host_counter), - le32_to_cpu(wl->tx_res_if->tx_result_fw_counter)); + if (test_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags) && + skb_queue_len(&wl->tx_queue) <= WL1271_TX_QUEUE_LOW_WATERMARK) { + unsigned long flags; + + /* firmware buffer has space, restart queues */ + wl1271_debug(DEBUG_TX, "tx_complete: waking queues"); + spin_lock_irqsave(&wl->wl_lock, flags); + ieee80211_wake_queues(wl->hw); + clear_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); + spin_unlock_irqrestore(&wl->wl_lock, flags); + ieee80211_queue_work(wl->hw, &wl->tx_work); + } } /* caller must hold wl->mutex */ @@ -409,31 +416,19 @@ void wl1271_tx_flush(struct wl1271 *wl) { int i; struct sk_buff *skb; - struct ieee80211_tx_info *info; /* TX failure */ /* control->flags = 0; FIXME */ while ((skb = skb_dequeue(&wl->tx_queue))) { - info = IEEE80211_SKB_CB(skb); - wl1271_debug(DEBUG_TX, "flushing skb 0x%p", skb); - - if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) - continue; - ieee80211_tx_status(wl->hw, skb); } for (i = 0; i < ACX_TX_DESCRIPTORS; i++) if (wl->tx_frames[i] != NULL) { skb = wl->tx_frames[i]; - info = IEEE80211_SKB_CB(skb); - - if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) - continue; - - ieee80211_tx_status(wl->hw, skb); wl->tx_frames[i] = NULL; + ieee80211_tx_status(wl->hw, skb); } } diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.h b/drivers/net/wireless/wl12xx/wl1271_tx.h index 17e405a..3b8b7ac 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.h +++ b/drivers/net/wireless/wl12xx/wl1271_tx.h @@ -26,7 +26,7 @@ #define __WL1271_TX_H__ #define TX_HW_BLOCK_SPARE 2 -#define TX_HW_BLOCK_SHIFT_DIV 8 +#define TX_HW_BLOCK_SIZE 252 #define TX_HW_MGMT_PKT_LIFETIME_TU 2000 /* The chipset reference driver states, that the "aid" value 1 @@ -125,9 +125,6 @@ struct wl1271_tx_hw_res_if { static inline int wl1271_tx_get_queue(int queue) { - /* FIXME: use best effort until WMM is enabled */ - return CONF_TX_AC_BE; - switch (queue) { case 0: return CONF_TX_AC_VO; @@ -160,7 +157,9 @@ static inline int wl1271_tx_ac_to_tid(int ac) } void wl1271_tx_work(struct work_struct *work); -void wl1271_tx_complete(struct wl1271 *wl, u32 count); +void wl1271_tx_complete(struct wl1271 *wl); void wl1271_tx_flush(struct wl1271 *wl); +u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate); +u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set); #endif |