diff options
| -rw-r--r-- | Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt | 41 | ||||
| -rw-r--r-- | drivers/bcma/driver_chipcommon_b.c | 9 | ||||
| -rw-r--r-- | drivers/mtd/devices/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/spi.c | 123 | ||||
| -rw-r--r-- | include/linux/bcma/bcma_driver_chipcommon.h | 3 |
9 files changed, 154 insertions, 36 deletions
diff --git a/Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt b/Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt index 9180724e182c..8f9ced076fe1 100644 --- a/Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt +++ b/Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt @@ -1,19 +1,30 @@ -* Texas Instruments wl1271 wireless lan controller +* Texas Instruments wl12xx/wl18xx wireless lan controller -The wl1271 chip can be connected via SPI or via SDIO. This +The wl12xx/wl18xx chips can be connected via SPI or via SDIO. This document describes the binding for the SPI connected chip. Required properties: -- compatible : Should be "ti,wl1271" +- compatible : Should be one of the following: + * "ti,wl1271" + * "ti,wl1273" + * "ti,wl1281" + * "ti,wl1283" + * "ti,wl1801" + * "ti,wl1805" + * "ti,wl1807" + * "ti,wl1831" + * "ti,wl1835" + * "ti,wl1837" - reg : Chip select address of device - spi-max-frequency : Maximum SPI clocking speed of device in Hz -- ref-clock-frequency : Reference clock frequency - interrupt-parent, interrupts : Should contain parameters for 1 interrupt line. Interrupt parameters: parent, line number, type. -- vwlan-supply : Point the node of the regulator that powers/enable the wl1271 chip +- vwlan-supply : Point the node of the regulator that powers/enable the + wl12xx/wl18xx chip Optional properties: +- ref-clock-frequency : Reference clock frequency (should be set for wl12xx) - clock-xtal : boolean, clock is generated from XTAL - Please consult Documentation/devicetree/bindings/spi/spi-bus.txt @@ -21,16 +32,28 @@ Optional properties: Examples: +For wl12xx family: &spi1 { - wl1271@1 { + wlcore: wlcore@1 { compatible = "ti,wl1271"; - reg = <1>; spi-max-frequency = <48000000>; - clock-xtal; - ref-clock-frequency = <38400000>; interrupt-parent = <&gpio3>; interrupts = <8 IRQ_TYPE_LEVEL_HIGH>; vwlan-supply = <&vwlan_fixed>; + clock-xtal; + ref-clock-frequency = <38400000>; + }; +}; + +For wl18xx family: +&spi0 { + wlcore: wlcore@0 { + compatible = "ti,wl1835"; + reg = <0>; + spi-max-frequency = <48000000>; + interrupt-parent = <&gpio0>; + interrupts = <27 IRQ_TYPE_EDGE_RISING>; + vwlan-supply = <&vwlan_fixed>; }; }; diff --git a/drivers/bcma/driver_chipcommon_b.c b/drivers/bcma/driver_chipcommon_b.c index c20b5f4ff290..57f10b58b47c 100644 --- a/drivers/bcma/driver_chipcommon_b.c +++ b/drivers/bcma/driver_chipcommon_b.c @@ -33,11 +33,12 @@ static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask, void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value) { struct bcma_bus *bus = ccb->core->bus; + void __iomem *mii = ccb->mii; - writel(offset, ccb->mii + 0x00); - bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100); - writel(value, ccb->mii + 0x04); - bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100); + writel(offset, mii + BCMA_CCB_MII_MNG_CTL); + bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100); + writel(value, mii + BCMA_CCB_MII_MNG_CMD_DATA); + bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100); } EXPORT_SYMBOL_GPL(bcma_chipco_b_mii_write); diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig index f73c41697a00..64a248556d29 100644 --- a/drivers/mtd/devices/Kconfig +++ b/drivers/mtd/devices/Kconfig @@ -114,7 +114,7 @@ config MTD_SST25L config MTD_BCM47XXSFLASH tristate "R/O support for serial flash on BCMA bus" - depends on BCMA_SFLASH + depends on BCMA_SFLASH && (MIPS || ARM) help BCMA bus can have various flash memories attached, they are registered by bcma as platform devices. This enables driver for diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index c4b89d27e2e8..f549c25608d6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -726,8 +726,10 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, return -ENOMEM; err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, glom_skb); - if (err) + if (err) { + brcmu_pkt_buf_free_skb(glom_skb); goto done; + } skb_queue_walk(pktq, skb) { memcpy(skb->data, glom_skb->data, skb->len); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c index 796f5f9d5d5a..b7df576bb84d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c @@ -1079,8 +1079,10 @@ bool dma_rxfill(struct dma_pub *pub) pa = dma_map_single(di->dmadev, p->data, di->rxbufsize, DMA_FROM_DEVICE); - if (dma_mapping_error(di->dmadev, pa)) + if (dma_mapping_error(di->dmadev, pa)) { + brcmu_pkt_buf_free_skb(p); return false; + } /* save the free packet pointer */ di->rxp[rxout] = p; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c index dd9162722495..0ab865de1491 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c @@ -87,7 +87,7 @@ void brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc, u16 *ss_algo_channel, u16 chanspec) { - struct tx_power power; + struct tx_power power = { }; u8 siso_mcs_id, cdd_mcs_id, stbc_mcs_id; /* Clear previous settings */ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile index a85419a37651..676e7de27f27 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile @@ -12,4 +12,4 @@ rtl8188ee-objs := \ obj-$(CONFIG_RTL8188EE) += rtl8188ee.o -ccflags-y += -Idrivers/net/wireless/rtlwifi -D__CHECK_ENDIAN__ +ccflags-y += -D__CHECK_ENDIAN__ diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index cea9443c22a6..73fbcf15545c 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -70,16 +70,30 @@ #define WSPI_MAX_CHUNK_SIZE 4092 /* - * only support SPI for 12xx - this code should be reworked when 18xx - * support is introduced + * wl18xx driver aggregation buffer size is (13 * PAGE_SIZE) compared to + * (4 * PAGE_SIZE) for wl12xx, so use the larger buffer needed for wl18xx */ -#define SPI_AGGR_BUFFER_SIZE (4 * PAGE_SIZE) +#define SPI_AGGR_BUFFER_SIZE (13 * PAGE_SIZE) /* Maximum number of SPI write chunks */ #define WSPI_MAX_NUM_OF_CHUNKS \ ((SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) + 1) +struct wilink_familiy_data { + char name[8]; +}; + +const struct wilink_familiy_data *wilink_data; + +static const struct wilink_familiy_data wl18xx_data = { + .name = "wl18xx", +}; + +static const struct wilink_familiy_data wl12xx_data = { + .name = "wl12xx", +}; + struct wl12xx_spi_glue { struct device *dev; struct platform_device *core; @@ -119,6 +133,7 @@ static void wl12xx_spi_init(struct device *child) struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent); struct spi_transfer t; struct spi_message m; + struct spi_device *spi = to_spi_device(glue->dev); u8 *cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL); if (!cmd) { @@ -151,6 +166,7 @@ static void wl12xx_spi_init(struct device *child) cmd[6] |= WSPI_INIT_CMD_EN_FIXEDBUSY; cmd[7] = crc7_be(0, cmd+2, WSPI_INIT_CMD_CRC_LEN) | WSPI_INIT_CMD_END; + /* * The above is the logical order; it must actually be stored * in the buffer byte-swapped. @@ -163,6 +179,28 @@ static void wl12xx_spi_init(struct device *child) spi_message_add_tail(&t, &m); spi_sync(to_spi_device(glue->dev), &m); + + /* Send extra clocks with inverted CS (high). this is required + * by the wilink family in order to successfully enter WSPI mode. + */ + spi->mode ^= SPI_CS_HIGH; + memset(&m, 0, sizeof(m)); + spi_message_init(&m); + + cmd[0] = 0xff; + cmd[1] = 0xff; + cmd[2] = 0xff; + cmd[3] = 0xff; + __swab32s((u32 *)cmd); + + t.tx_buf = cmd; + t.len = 4; + spi_message_add_tail(&t, &m); + + spi_sync(to_spi_device(glue->dev), &m); + + /* Restore chip select configration to normal */ + spi->mode ^= SPI_CS_HIGH; kfree(cmd); } @@ -270,22 +308,25 @@ static int __must_check wl12xx_spi_raw_read(struct device *child, int addr, return 0; } -static int __must_check wl12xx_spi_raw_write(struct device *child, int addr, - void *buf, size_t len, bool fixed) +static int __wl12xx_spi_raw_write(struct device *child, int addr, + void *buf, size_t len, bool fixed) { struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent); - /* SPI write buffers - 2 for each chunk */ - struct spi_transfer t[2 * WSPI_MAX_NUM_OF_CHUNKS]; + struct spi_transfer *t; struct spi_message m; u32 commands[WSPI_MAX_NUM_OF_CHUNKS]; /* 1 command per chunk */ u32 *cmd; u32 chunk_len; int i; + /* SPI write buffers - 2 for each chunk */ + t = kzalloc(sizeof(*t) * 2 * WSPI_MAX_NUM_OF_CHUNKS, GFP_KERNEL); + if (!t) + return -ENOMEM; + WARN_ON(len > SPI_AGGR_BUFFER_SIZE); spi_message_init(&m); - memset(t, 0, sizeof(t)); cmd = &commands[0]; i = 0; @@ -318,9 +359,26 @@ static int __must_check wl12xx_spi_raw_write(struct device *child, int addr, spi_sync(to_spi_device(glue->dev), &m); + kfree(t); return 0; } +static int __must_check wl12xx_spi_raw_write(struct device *child, int addr, + void *buf, size_t len, bool fixed) +{ + int ret; + + /* The ELP wakeup write may fail the first time due to internal + * hardware latency. It is safer to send the wakeup command twice to + * avoid unexpected failures. + */ + if (addr == HW_ACCESS_ELP_CTRL_REG) + ret = __wl12xx_spi_raw_write(child, addr, buf, len, fixed); + ret = __wl12xx_spi_raw_write(child, addr, buf, len, fixed); + + return ret; +} + /** * wl12xx_spi_set_power - power on/off the wl12xx unit * @child: wl12xx device handle. @@ -349,17 +407,38 @@ static int wl12xx_spi_set_power(struct device *child, bool enable) return ret; } +/** + * wl12xx_spi_set_block_size + * + * This function is not needed for spi mode, but need to be present. + * Without it defined the wlcore fallback to use the wrong packet + * allignment on tx. + */ +static void wl12xx_spi_set_block_size(struct device *child, + unsigned int blksz) +{ +} + static struct wl1271_if_operations spi_ops = { .read = wl12xx_spi_raw_read, .write = wl12xx_spi_raw_write, .reset = wl12xx_spi_reset, .init = wl12xx_spi_init, .power = wl12xx_spi_set_power, - .set_block_size = NULL, + .set_block_size = wl12xx_spi_set_block_size, }; static const struct of_device_id wlcore_spi_of_match_table[] = { - { .compatible = "ti,wl1271" }, + { .compatible = "ti,wl1271", .data = &wl12xx_data}, + { .compatible = "ti,wl1273", .data = &wl12xx_data}, + { .compatible = "ti,wl1281", .data = &wl12xx_data}, + { .compatible = "ti,wl1283", .data = &wl12xx_data}, + { .compatible = "ti,wl1801", .data = &wl18xx_data}, + { .compatible = "ti,wl1805", .data = &wl18xx_data}, + { .compatible = "ti,wl1807", .data = &wl18xx_data}, + { .compatible = "ti,wl1831", .data = &wl18xx_data}, + { .compatible = "ti,wl1835", .data = &wl18xx_data}, + { .compatible = "ti,wl1837", .data = &wl18xx_data}, { } }; MODULE_DEVICE_TABLE(of, wlcore_spi_of_match_table); @@ -376,17 +455,24 @@ static int wlcore_probe_of(struct spi_device *spi, struct wl12xx_spi_glue *glue, { struct device_node *dt_node = spi->dev.of_node; int ret; + const struct of_device_id *of_id; + + of_id = of_match_node(wlcore_spi_of_match_table, dt_node); + if (!of_id) + return -ENODEV; + + wilink_data = of_id->data; + dev_info(&spi->dev, "selected chip familiy is %s\n", + wilink_data->name); if (of_find_property(dt_node, "clock-xtal", NULL)) pdev_data->ref_clock_xtal = true; - ret = of_property_read_u32(dt_node, "ref-clock-frequency", - &pdev_data->ref_clock_freq); - if (ret) { - dev_err(glue->dev, - "can't get reference clock frequency (%d)\n", ret); - return ret; - } + /* optional clock frequency params */ + of_property_read_u32(dt_node, "ref-clock-frequency", + &pdev_data->ref_clock_freq); + of_property_read_u32(dt_node, "tcxo-clock-frequency", + &pdev_data->tcxo_clock_freq); return 0; } @@ -437,7 +523,8 @@ static int wl1271_probe(struct spi_device *spi) return ret; } - glue->core = platform_device_alloc("wl12xx", PLATFORM_DEVID_AUTO); + glue->core = platform_device_alloc(wilink_data->name, + PLATFORM_DEVID_AUTO); if (!glue->core) { dev_err(glue->dev, "can't allocate platform_device\n"); return -ENOMEM; diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h index a5ac2cad5cb7..b20e3d56253f 100644 --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h @@ -504,6 +504,9 @@ #define BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK 0x1ff00000 #define BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT 20 +#define BCMA_CCB_MII_MNG_CTL 0x0000 +#define BCMA_CCB_MII_MNG_CMD_DATA 0x0004 + /* BCM4331 ChipControl numbers. */ #define BCMA_CHIPCTL_4331_BT_COEXIST BIT(0) /* 0 disable */ #define BCMA_CHIPCTL_4331_SECI BIT(1) /* 0 SECI is disabled (JATG functional) */ |