diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211')
26 files changed, 2230 insertions, 776 deletions
diff --git a/drivers/net/wireless/brcm80211/Kconfig b/drivers/net/wireless/brcm80211/Kconfig index 747e9317dabd..fc8a0fa6d3b2 100644 --- a/drivers/net/wireless/brcm80211/Kconfig +++ b/drivers/net/wireless/brcm80211/Kconfig @@ -37,15 +37,6 @@ config BRCMFMAC_SDIO IEEE802.11n embedded FullMAC WLAN driver. Say Y if you want to use the driver for a SDIO wireless card. -config BRCMFMAC_SDIO_OOB - bool "Out of band interrupt support for SDIO interface chipset" - depends on BRCMFMAC_SDIO - ---help--- - This option enables out-of-band interrupt support for Broadcom - SDIO Wifi chipset using fullmac in order to gain better - performance and deep sleep wake up capability on certain - platforms. Say N if you are unsure. - config BRCMFMAC_USB bool "USB bus interface support for FullMAC driver" depends on USB diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile index 598c8e2f8d2b..8e9b1221b32c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/Makefile +++ b/drivers/net/wireless/brcm80211/brcmfmac/Makefile @@ -30,7 +30,8 @@ brcmfmac-objs += \ p2p.o \ dhd_cdc.o \ dhd_common.o \ - dhd_linux.o + dhd_linux.o \ + btcoex.o brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \ dhd_sdio.o \ bcmsdh.o \ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index f3149debede0..4891e3df2058 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -25,6 +25,7 @@ #include <linux/mmc/sdio.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/card.h> +#include <linux/platform_data/brcmfmac-sdio.h> #include <defs.h> #include <brcm_hw_ids.h> @@ -37,16 +38,15 @@ #define SDIOH_API_ACCESS_RETRY_LIMIT 2 -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static irqreturn_t brcmf_sdio_irqhandler(int irq, void *dev_id) + +static irqreturn_t brcmf_sdio_oob_irqhandler(int irq, void *dev_id) { struct brcmf_bus *bus_if = dev_get_drvdata(dev_id); struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - brcmf_dbg(INTR, "oob intr triggered\n"); + brcmf_dbg(INTR, "OOB intr triggered\n"); - /* - * out-of-band interrupt is level-triggered which won't + /* out-of-band interrupt is level-triggered which won't * be cleared until dpc */ if (sdiodev->irq_en) { @@ -59,72 +59,12 @@ static irqreturn_t brcmf_sdio_irqhandler(int irq, void *dev_id) return IRQ_HANDLED; } -int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev) -{ - int ret = 0; - u8 data; - unsigned long flags; - - brcmf_dbg(SDIO, "Entering: irq %d\n", sdiodev->irq); - - ret = request_irq(sdiodev->irq, brcmf_sdio_irqhandler, - sdiodev->irq_flags, "brcmf_oob_intr", - &sdiodev->func[1]->dev); - if (ret != 0) - return ret; - spin_lock_init(&sdiodev->irq_en_lock); - spin_lock_irqsave(&sdiodev->irq_en_lock, flags); - sdiodev->irq_en = true; - spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags); - - ret = enable_irq_wake(sdiodev->irq); - if (ret != 0) - return ret; - sdiodev->irq_wake = true; - - sdio_claim_host(sdiodev->func[1]); - - /* must configure SDIO_CCCR_IENx to enable irq */ - data = brcmf_sdio_regrb(sdiodev, SDIO_CCCR_IENx, &ret); - data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1; - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret); - - /* redirect, configure and enable io for interrupt signal */ - data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE; - if (sdiodev->irq_flags & IRQF_TRIGGER_HIGH) - data |= SDIO_SEPINT_ACT_HI; - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret); - - sdio_release_host(sdiodev->func[1]); - - return 0; -} - -int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev) -{ - brcmf_dbg(SDIO, "Entering\n"); - - sdio_claim_host(sdiodev->func[1]); - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL); - brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL); - sdio_release_host(sdiodev->func[1]); - - if (sdiodev->irq_wake) { - disable_irq_wake(sdiodev->irq); - sdiodev->irq_wake = false; - } - free_irq(sdiodev->irq, &sdiodev->func[1]->dev); - sdiodev->irq_en = false; - - return 0; -} -#else /* CONFIG_BRCMFMAC_SDIO_OOB */ -static void brcmf_sdio_irqhandler(struct sdio_func *func) +static void brcmf_sdio_ib_irqhandler(struct sdio_func *func) { struct brcmf_bus *bus_if = dev_get_drvdata(&func->dev); struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - brcmf_dbg(INTR, "ib intr triggered\n"); + brcmf_dbg(INTR, "IB intr triggered\n"); brcmf_sdbrcm_isr(sdiodev->bus); } @@ -136,12 +76,56 @@ static void brcmf_sdio_dummy_irqhandler(struct sdio_func *func) int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev) { - brcmf_dbg(SDIO, "Entering\n"); + int ret = 0; + u8 data; + unsigned long flags; - sdio_claim_host(sdiodev->func[1]); - sdio_claim_irq(sdiodev->func[1], brcmf_sdio_irqhandler); - sdio_claim_irq(sdiodev->func[2], brcmf_sdio_dummy_irqhandler); - sdio_release_host(sdiodev->func[1]); + if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) { + brcmf_dbg(SDIO, "Enter, register OOB IRQ %d\n", + sdiodev->pdata->oob_irq_nr); + ret = request_irq(sdiodev->pdata->oob_irq_nr, + brcmf_sdio_oob_irqhandler, + sdiodev->pdata->oob_irq_flags, + "brcmf_oob_intr", + &sdiodev->func[1]->dev); + if (ret != 0) { + brcmf_err("request_irq failed %d\n", ret); + return ret; + } + sdiodev->oob_irq_requested = true; + spin_lock_init(&sdiodev->irq_en_lock); + spin_lock_irqsave(&sdiodev->irq_en_lock, flags); + sdiodev->irq_en = true; + spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags); + + ret = enable_irq_wake(sdiodev->pdata->oob_irq_nr); + if (ret != 0) { + brcmf_err("enable_irq_wake failed %d\n", ret); + return ret; + } + sdiodev->irq_wake = true; + + sdio_claim_host(sdiodev->func[1]); + + /* must configure SDIO_CCCR_IENx to enable irq */ + data = brcmf_sdio_regrb(sdiodev, SDIO_CCCR_IENx, &ret); + data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1; + brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret); + + /* redirect, configure and enable io for interrupt signal */ + data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE; + if (sdiodev->pdata->oob_irq_flags & IRQF_TRIGGER_HIGH) + data |= SDIO_SEPINT_ACT_HI; + brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret); + + sdio_release_host(sdiodev->func[1]); + } else { + brcmf_dbg(SDIO, "Entering\n"); + sdio_claim_host(sdiodev->func[1]); + sdio_claim_irq(sdiodev->func[1], brcmf_sdio_ib_irqhandler); + sdio_claim_irq(sdiodev->func[2], brcmf_sdio_dummy_irqhandler); + sdio_release_host(sdiodev->func[1]); + } return 0; } @@ -150,14 +134,31 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev) { brcmf_dbg(SDIO, "Entering\n"); - sdio_claim_host(sdiodev->func[1]); - sdio_release_irq(sdiodev->func[2]); - sdio_release_irq(sdiodev->func[1]); - sdio_release_host(sdiodev->func[1]); + if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) { + sdio_claim_host(sdiodev->func[1]); + brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL); + brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL); + sdio_release_host(sdiodev->func[1]); + + if (sdiodev->oob_irq_requested) { + sdiodev->oob_irq_requested = false; + if (sdiodev->irq_wake) { + disable_irq_wake(sdiodev->pdata->oob_irq_nr); + sdiodev->irq_wake = false; + } + free_irq(sdiodev->pdata->oob_irq_nr, + &sdiodev->func[1]->dev); + sdiodev->irq_en = false; + } + } else { + sdio_claim_host(sdiodev->func[1]); + sdio_release_irq(sdiodev->func[2]); + sdio_release_irq(sdiodev->func[1]); + sdio_release_host(sdiodev->func[1]); + } return 0; } -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ int brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address) @@ -457,36 +458,80 @@ done: return err; } -int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, u32 addr, - u8 *buf, uint nbytes) +int +brcmf_sdio_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, + u8 *data, uint size) { - struct sk_buff *mypkt; - bool write = rw ? SDIOH_WRITE : SDIOH_READ; - int err; + int bcmerror = 0; + struct sk_buff *pkt; + u32 sdaddr; + uint dsize; + + dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); + pkt = dev_alloc_skb(dsize); + if (!pkt) { + brcmf_err("dev_alloc_skb failed: len %d\n", dsize); + return -EIO; + } + pkt->priority = 0; - addr &= SBSDIO_SB_OFT_ADDR_MASK; - addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; + /* Determine initial transfer parameters */ + sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; + if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) + dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); + else + dsize = size; - mypkt = brcmu_pkt_buf_get_skb(nbytes); - if (!mypkt) { - brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n", - nbytes); - return -EIO; + sdio_claim_host(sdiodev->func[1]); + + /* Do the transfer(s) */ + while (size) { + /* Set the backplane window to include the start address */ + bcmerror = brcmf_sdcard_set_sbaddr_window(sdiodev, address); + if (bcmerror) + break; + + brcmf_dbg(SDIO, "%s %d bytes at offset 0x%08x in window 0x%08x\n", + write ? "write" : "read", dsize, + sdaddr, address & SBSDIO_SBWINDOW_MASK); + + sdaddr &= SBSDIO_SB_OFT_ADDR_MASK; + sdaddr |= SBSDIO_SB_ACCESS_2_4B_FLAG; + + skb_put(pkt, dsize); + if (write) + memcpy(pkt->data, data, dsize); + bcmerror = brcmf_sdioh_request_buffer(sdiodev, SDIOH_DATA_INC, + write, SDIO_FUNC_1, + sdaddr, pkt); + if (bcmerror) { + brcmf_err("membytes transfer failed\n"); + break; + } + if (!write) + memcpy(data, pkt->data, dsize); + skb_trim(pkt, dsize); + + /* Adjust for next transfer (if any) */ + size -= dsize; + if (size) { + data += dsize; + address += dsize; + sdaddr = 0; + dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); + } } - /* For a write, copy the buffer data into the packet. */ - if (write) - memcpy(mypkt->data, buf, nbytes); + dev_kfree_skb(pkt); - err = brcmf_sdioh_request_buffer(sdiodev, SDIOH_DATA_INC, write, - SDIO_FUNC_1, addr, mypkt); + /* Return the window to backplane enumeration space for core access */ + if (brcmf_sdcard_set_sbaddr_window(sdiodev, sdiodev->sbwad)) + brcmf_err("FAILED to set window back to 0x%x\n", + sdiodev->sbwad); - /* For a read, copy the packet data back to the buffer. */ - if (!err && !write) - memcpy(buf, mypkt->data, nbytes); + sdio_release_host(sdiodev->func[1]); - brcmu_pkt_buf_free_skb(mypkt); - return err; + return bcmerror; } int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c index 716548989e4f..44fa0cdbf97b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -26,6 +26,7 @@ #include <linux/sched.h> /* request_irq() */ #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/platform_data/brcmfmac-sdio.h> #include <net/cfg80211.h> #include <defs.h> @@ -40,32 +41,30 @@ #define DMA_ALIGN_MASK 0x03 +#define SDIO_DEVICE_ID_BROADCOM_43143 43143 #define SDIO_DEVICE_ID_BROADCOM_43241 0x4324 #define SDIO_DEVICE_ID_BROADCOM_4329 0x4329 #define SDIO_DEVICE_ID_BROADCOM_4330 0x4330 #define SDIO_DEVICE_ID_BROADCOM_4334 0x4334 +#define SDIO_DEVICE_ID_BROADCOM_4335 0x4335 #define SDIO_FUNC1_BLOCKSIZE 64 #define SDIO_FUNC2_BLOCKSIZE 512 /* devices we support, null terminated */ static const struct sdio_device_id brcmf_sdmmc_ids[] = { + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43143)}, {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)}, {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)}, {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)}, {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4335)}, { /* end: all zeroes */ }, }; MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids); -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static struct list_head oobirq_lh; -struct brcmf_sdio_oobirq { - unsigned int irq; - unsigned long flags; - struct list_head list; -}; -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ +static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata; + static bool brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev) @@ -424,33 +423,6 @@ void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev) } -#ifdef CONFIG_BRCMFMAC_SDIO_OOB -static int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev) -{ - struct brcmf_sdio_oobirq *oobirq_entry; - - if (list_empty(&oobirq_lh)) { - brcmf_err("no valid oob irq resource\n"); - return -ENXIO; - } - - oobirq_entry = list_first_entry(&oobirq_lh, struct brcmf_sdio_oobirq, - list); - - sdiodev->irq = oobirq_entry->irq; - sdiodev->irq_flags = oobirq_entry->flags; - list_del(&oobirq_entry->list); - kfree(oobirq_entry); - - return 0; -} -#else -static inline int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev) -{ - return 0; -} -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ - static int brcmf_ops_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) { @@ -491,15 +463,13 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func, dev_set_drvdata(&func->dev, bus_if); dev_set_drvdata(&sdiodev->func[1]->dev, bus_if); sdiodev->dev = &sdiodev->func[1]->dev; + sdiodev->pdata = brcmfmac_sdio_pdata; atomic_set(&sdiodev->suspend, false); init_waitqueue_head(&sdiodev->request_byte_wait); init_waitqueue_head(&sdiodev->request_word_wait); init_waitqueue_head(&sdiodev->request_chain_wait); init_waitqueue_head(&sdiodev->request_buffer_wait); - err = brcmf_sdio_getintrcfg(sdiodev); - if (err) - goto fail; brcmf_dbg(SDIO, "F2 found, calling brcmf_sdio_probe...\n"); err = brcmf_sdio_probe(sdiodev); @@ -594,7 +564,7 @@ static const struct dev_pm_ops brcmf_sdio_pm_ops = { static struct sdio_driver brcmf_sdmmc_driver = { .probe = brcmf_ops_sdio_probe, .remove = brcmf_ops_sdio_remove, - .name = "brcmfmac", + .name = BRCMFMAC_SDIO_PDATA_NAME, .id_table = brcmf_sdmmc_ids, #ifdef CONFIG_PM_SLEEP .drv = { @@ -603,72 +573,51 @@ static struct sdio_driver brcmf_sdmmc_driver = { #endif /* CONFIG_PM_SLEEP */ }; -#ifdef CONFIG_BRCMFMAC_SDIO_OOB static int brcmf_sdio_pd_probe(struct platform_device *pdev) { - struct resource *res; - struct brcmf_sdio_oobirq *oobirq_entry; - int i, ret; + int ret; - INIT_LIST_HEAD(&oobirq_lh); + brcmf_dbg(SDIO, "Enter\n"); - for (i = 0; ; i++) { - res = platform_get_resource(pdev, IORESOURCE_IRQ, i); - if (!res) - break; + brcmfmac_sdio_pdata = pdev->dev.platform_data; - oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq), - GFP_KERNEL); - if (!oobirq_entry) - return -ENOMEM; - oobirq_entry->irq = res->start; - oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK; - list_add_tail(&oobirq_entry->list, &oobirq_lh); - } - if (i == 0) - return -ENXIO; + if (brcmfmac_sdio_pdata->power_on) + brcmfmac_sdio_pdata->power_on(); ret = sdio_register_driver(&brcmf_sdmmc_driver); - if (ret) brcmf_err("sdio_register_driver failed: %d\n", ret); return ret; } -static struct platform_driver brcmf_sdio_pd = { - .probe = brcmf_sdio_pd_probe, - .driver = { - .name = "brcmf_sdio_pd" - } -}; - -void brcmf_sdio_exit(void) +static int brcmf_sdio_pd_remove(struct platform_device *pdev) { brcmf_dbg(SDIO, "Enter\n"); + if (brcmfmac_sdio_pdata->power_off) + brcmfmac_sdio_pdata->power_off(); + sdio_unregister_driver(&brcmf_sdmmc_driver); - platform_driver_unregister(&brcmf_sdio_pd); + return 0; } -void brcmf_sdio_init(void) -{ - int ret; - - brcmf_dbg(SDIO, "Enter\n"); - - ret = platform_driver_register(&brcmf_sdio_pd); +static struct platform_driver brcmf_sdio_pd = { + .remove = brcmf_sdio_pd_remove, + .driver = { + .name = BRCMFMAC_SDIO_PDATA_NAME + } +}; - if (ret) - brcmf_err("platform_driver_register failed: %d\n", ret); -} -#else void brcmf_sdio_exit(void) { brcmf_dbg(SDIO, "Enter\n"); - sdio_unregister_driver(&brcmf_sdmmc_driver); + if (brcmfmac_sdio_pdata) + platform_driver_unregister(&brcmf_sdio_pd); + else + sdio_unregister_driver(&brcmf_sdmmc_driver); } void brcmf_sdio_init(void) @@ -677,9 +626,12 @@ void brcmf_sdio_init(void) brcmf_dbg(SDIO, "Enter\n"); - ret = sdio_register_driver(&brcmf_sdmmc_driver); + ret = platform_driver_probe(&brcmf_sdio_pd, brcmf_sdio_pd_probe); + if (ret == -ENODEV) { + brcmf_dbg(SDIO, "No platform data available, registering without.\n"); + ret = sdio_register_driver(&brcmf_sdmmc_driver); + } if (ret) - brcmf_err("sdio_register_driver failed: %d\n", ret); + brcmf_err("driver registration failed: %d\n", ret); } -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c new file mode 100644 index 000000000000..0cb591b050b3 --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c @@ -0,0 +1,497 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <net/cfg80211.h> + +#include <brcmu_wifi.h> +#include <brcmu_utils.h> +#include <defs.h> +#include <dhd.h> +#include <dhd_dbg.h> +#include "fwil.h" +#include "fwil_types.h" +#include "btcoex.h" +#include "p2p.h" +#include "wl_cfg80211.h" + +/* T1 start SCO/eSCO priority suppression */ +#define BRCMF_BTCOEX_OPPR_WIN_TIME 2000 + +/* BT registers values during DHCP */ +#define BRCMF_BT_DHCP_REG50 0x8022 +#define BRCMF_BT_DHCP_REG51 0 +#define BRCMF_BT_DHCP_REG64 0 +#define BRCMF_BT_DHCP_REG65 0 +#define BRCMF_BT_DHCP_REG71 0 +#define BRCMF_BT_DHCP_REG66 0x2710 +#define BRCMF_BT_DHCP_REG41 0x33 +#define BRCMF_BT_DHCP_REG68 0x190 + +/* number of samples for SCO detection */ +#define BRCMF_BT_SCO_SAMPLES 12 + +/** +* enum brcmf_btcoex_state - BT coex DHCP state machine states +* @BRCMF_BT_DHCP_IDLE: DCHP is idle +* @BRCMF_BT_DHCP_START: DHCP started, wait before +* boosting wifi priority +* @BRCMF_BT_DHCP_OPPR_WIN: graceful DHCP opportunity ended, +* boost wifi priority +* @BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: wifi priority boost end, +* restore defaults +*/ +enum brcmf_btcoex_state { + BRCMF_BT_DHCP_IDLE, + BRCMF_BT_DHCP_START, + BRCMF_BT_DHCP_OPPR_WIN, + BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT +}; + +/** + * struct brcmf_btcoex_info - BT coex related information + * @vif: interface for which request was done. + * @timer: timer for DHCP state machine + * @timeout: configured timeout. + * @timer_on: DHCP timer active + * @dhcp_done: DHCP finished before T1/T2 timer expiration + * @bt_state: DHCP state machine state + * @work: DHCP state machine work + * @cfg: driver private data for cfg80211 interface + * @reg66: saved value of btc_params 66 + * @reg41: saved value of btc_params 41 + * @reg68: saved value of btc_params 68 + * @saved_regs_part1: flag indicating regs 66,41,68 + * have been saved + * @reg51: saved value of btc_params 51 + * @reg64: saved value of btc_params 64 + * @reg65: saved value of btc_params 65 + * @reg71: saved value of btc_params 71 + * @saved_regs_part1: flag indicating regs 50,51,64,65,71 + * have been saved + */ +struct brcmf_btcoex_info { + struct brcmf_cfg80211_vif *vif; + struct timer_list timer; + u16 timeout; + bool timer_on; + bool dhcp_done; + enum brcmf_btcoex_state bt_state; + struct work_struct work; + struct brcmf_cfg80211_info *cfg; + u32 reg66; + u32 reg41; + u32 reg68; + bool saved_regs_part1; + u32 reg50; + u32 reg51; + u32 reg64; + u32 reg65; + u32 reg71; + bool saved_regs_part2; +}; + +/** + * brcmf_btcoex_params_write() - write btc_params firmware variable + * @ifp: interface + * @addr: btc_params register number + * @data: data to write + */ +static s32 brcmf_btcoex_params_write(struct brcmf_if *ifp, u32 addr, u32 data) +{ + struct { + __le32 addr; + __le32 data; + } reg_write; + + reg_write.addr = cpu_to_le32(addr); + reg_write.data = cpu_to_le32(data); + return brcmf_fil_iovar_data_set(ifp, "btc_params", + ®_write, sizeof(reg_write)); +} + +/** + * brcmf_btcoex_params_read() - read btc_params firmware variable + * @ifp: interface + * @addr: btc_params register number + * @data: read data + */ +static s32 brcmf_btcoex_params_read(struct brcmf_if *ifp, u32 addr, u32 *data) +{ + *data = addr; + + return brcmf_fil_iovar_int_get(ifp, "btc_params", data); +} + +/** + * brcmf_btcoex_boost_wifi() - control BT SCO/eSCO parameters + * @btci: BT coex info + * @trump_sco: + * true - set SCO/eSCO parameters for compatibility + * during DHCP window + * false - restore saved parameter values + * + * Enhanced BT COEX settings for eSCO compatibility during DHCP window + */ +static void brcmf_btcoex_boost_wifi(struct brcmf_btcoex_info *btci, + bool trump_sco) +{ + struct brcmf_if *ifp = btci->cfg->pub->iflist[0]; + + if (trump_sco && !btci->saved_regs_part2) { + /* this should reduce eSCO agressive + * retransmit w/o breaking it + */ + + /* save current */ + brcmf_dbg(TRACE, "new SCO/eSCO coex algo {save & override}\n"); + brcmf_btcoex_params_read(ifp, 50, &btci->reg50); + brcmf_btcoex_params_read(ifp, 51, &btci->reg51); + brcmf_btcoex_params_read(ifp, 64, &btci->reg64); + brcmf_btcoex_params_read(ifp, 65, &btci->reg65); + brcmf_btcoex_params_read(ifp, 71, &btci->reg71); + + btci->saved_regs_part2 = true; + brcmf_dbg(TRACE, + "saved bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n", + btci->reg50, btci->reg51, btci->reg64, + btci->reg65, btci->reg71); + + /* pacify the eSco */ + brcmf_btcoex_params_write(ifp, 50, BRCMF_BT_DHCP_REG50); + brcmf_btcoex_params_write(ifp, 51, BRCMF_BT_DHCP_REG51); + brcmf_btcoex_params_write(ifp, 64, BRCMF_BT_DHCP_REG64); + brcmf_btcoex_params_write(ifp, 65, BRCMF_BT_DHCP_REG65); + brcmf_btcoex_params_write(ifp, 71, BRCMF_BT_DHCP_REG71); + + } else if (btci->saved_regs_part2) { + /* restore previously saved bt params */ + brcmf_dbg(TRACE, "Do new SCO/eSCO coex algo {restore}\n"); + brcmf_btcoex_params_write(ifp, 50, btci->reg50); + brcmf_btcoex_params_write(ifp, 51, btci->reg51); + brcmf_btcoex_params_write(ifp, 64, btci->reg64); + brcmf_btcoex_params_write(ifp, 65, btci->reg65); + brcmf_btcoex_params_write(ifp, 71, btci->reg71); + + brcmf_dbg(TRACE, + "restored bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n", + btci->reg50, btci->reg51, btci->reg64, + btci->reg65, btci->reg71); + + btci->saved_regs_part2 = false; + } else { + brcmf_err("attempted to restore not saved BTCOEX params\n"); + } +} + +/** + * brcmf_btcoex_is_sco_active() - check if SCO/eSCO is active + * @ifp: interface + * + * return: true if SCO/eSCO session is active + */ +static bool brcmf_btcoex_is_sco_active(struct brcmf_if *ifp) +{ + int ioc_res = 0; + bool res = false; + int sco_id_cnt = 0; + u32 param27; + int i; + + for (i = 0; i < BRCMF_BT_SCO_SAMPLES; i++) { + ioc_res = brcmf_btcoex_params_read(ifp, 27, ¶m27); + + if (ioc_res < 0) { + brcmf_err("ioc read btc params error\n"); + break; + } + + brcmf_dbg(TRACE, "sample[%d], btc_params 27:%x\n", i, param27); + + if ((param27 & 0x6) == 2) { /* count both sco & esco */ + sco_id_cnt++; + } + + if (sco_id_cnt > 2) { + brcmf_dbg(TRACE, + "sco/esco detected, pkt id_cnt:%d samples:%d\n", + sco_id_cnt, i); + res = true; + break; + } + } + brcmf_dbg(TRACE, "exit: result=%d\n", res); + return res; +} + +/** + * btcmf_btcoex_save_part1() - save first step parameters. + */ +static void btcmf_btcoex_save_part1(struct brcmf_btcoex_info *btci) +{ + struct brcmf_if *ifp = btci->vif->ifp; + + if (!btci->saved_regs_part1) { + /* Retrieve and save original reg value */ + brcmf_btcoex_params_read(ifp, 66, &btci->reg66); + brcmf_btcoex_params_read(ifp, 41, &btci->reg41); + brcmf_btcoex_params_read(ifp, 68, &btci->reg68); + btci->saved_regs_part1 = true; + brcmf_dbg(TRACE, + "saved btc_params regs (66,41,68) 0x%x 0x%x 0x%x\n", + btci->reg66, btci->reg41, + btci->reg68); + } +} + +/** + * brcmf_btcoex_restore_part1() - restore first step parameters. + */ +static void brcmf_btcoex_restore_part1(struct brcmf_btcoex_info *btci) +{ + struct brcmf_if *ifp; + + if (btci->saved_regs_part1) { + btci->saved_regs_part1 = false; + ifp = btci->vif->ifp; + brcmf_btcoex_params_write(ifp, 66, btci->reg66); + brcmf_btcoex_params_write(ifp, 41, btci->reg41); + brcmf_btcoex_params_write(ifp, 68, btci->reg68); + brcmf_dbg(TRACE, + "restored btc_params regs {66,41,68} 0x%x 0x%x 0x%x\n", + btci->reg66, btci->reg41, + btci->reg68); + } +} + +/** + * brcmf_btcoex_timerfunc() - BT coex timer callback + */ +static void brcmf_btcoex_timerfunc(ulong data) +{ + struct brcmf_btcoex_info *bt_local = (struct brcmf_btcoex_info *)data; + brcmf_dbg(TRACE, "enter\n"); + + bt_local->timer_on = false; + schedule_work(&bt_local->work); +} + +/** + * brcmf_btcoex_handler() - BT coex state machine work handler + * @work: work + */ +static void brcmf_btcoex_handler(struct work_struct *work) +{ + struct brcmf_btcoex_info *btci; + btci = container_of(work, struct brcmf_btcoex_info, work); + if (btci->timer_on) { + btci->timer_on = false; + del_timer_sync(&btci->timer); + } + + switch (btci->bt_state) { + case BRCMF_BT_DHCP_START: + /* DHCP started provide OPPORTUNITY window + to get DHCP address + */ + brcmf_dbg(TRACE, "DHCP started\n"); + btci->bt_state = BRCMF_BT_DHCP_OPPR_WIN; + if (btci->timeout < BRCMF_BTCOEX_OPPR_WIN_TIME) { + mod_timer(&btci->timer, btci->timer.expires); + } else { + btci->timeout -= BRCMF_BTCOEX_OPPR_WIN_TIME; + mod_timer(&btci->timer, + jiffies + + msecs_to_jiffies(BRCMF_BTCOEX_OPPR_WIN_TIME)); + } + btci->timer_on = true; + break; + + case BRCMF_BT_DHCP_OPPR_WIN: + if (btci->dhcp_done) { + brcmf_dbg(TRACE, "DHCP done before T1 expiration\n"); + goto idle; + } + + /* DHCP is not over yet, start lowering BT priority */ + brcmf_dbg(TRACE, "DHCP T1:%d expired\n", + BRCMF_BTCOEX_OPPR_WIN_TIME); + brcmf_btcoex_boost_wifi(btci, true); + + btci->bt_state = BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT; + mod_timer(&btci->timer, + jiffies + msecs_to_jiffies(btci->timeout)); + btci->timer_on = true; + break; + + case BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: + if (btci->dhcp_done) + brcmf_dbg(TRACE, "DHCP done before T2 expiration\n"); + else + brcmf_dbg(TRACE, "DHCP T2:%d expired\n", + BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT); + + goto idle; + + default: + brcmf_err("invalid state=%d !!!\n", btci->bt_state); + goto idle; + } + + return; + +idle: + btci->bt_state = BRCMF_BT_DHCP_IDLE; + btci->timer_on = false; + brcmf_btcoex_boost_wifi(btci, false); + cfg80211_crit_proto_stopped(&btci->vif->wdev, GFP_KERNEL); + brcmf_btcoex_restore_part1(btci); + btci->vif = NULL; +} + +/** + * brcmf_btcoex_attach() - initialize BT coex data + * @cfg: driver private cfg80211 data + * + * return: 0 on success + */ +int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_btcoex_info *btci = NULL; + brcmf_dbg(TRACE, "enter\n"); + + btci = kmalloc(sizeof(struct brcmf_btcoex_info), GFP_KERNEL); + if (!btci) + return -ENOMEM; + + btci->bt_state = BRCMF_BT_DHCP_IDLE; + + /* Set up timer for BT */ + btci->timer_on = false; + btci->timeout = BRCMF_BTCOEX_OPPR_WIN_TIME; + init_timer(&btci->timer); + btci->timer.data = (ulong)btci; + btci->timer.function = brcmf_btcoex_timerfunc; + btci->cfg = cfg; + btci->saved_regs_part1 = false; + btci->saved_regs_part2 = false; + + INIT_WORK(&btci->work, brcmf_btcoex_handler); + + cfg->btcoex = btci; + return 0; +} + +/** + * brcmf_btcoex_detach - clean BT coex data + * @cfg: driver private cfg80211 data + */ +void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg) +{ + brcmf_dbg(TRACE, "enter\n"); + + if (!cfg->btcoex) + return; + + if (cfg->btcoex->timer_on) { + cfg->btcoex->timer_on = false; + del_timer_sync(&cfg->btcoex->timer); + } + + cancel_work_sync(&cfg->btcoex->work); + + brcmf_btcoex_boost_wifi(cfg->btcoex, false); + brcmf_btcoex_restore_part1(cfg->btcoex); + + kfree(cfg->btcoex); + cfg->btcoex = NULL; +} + +static void brcmf_btcoex_dhcp_start(struct brcmf_btcoex_info *btci) +{ + struct brcmf_if *ifp = btci->vif->ifp; + + btcmf_btcoex_save_part1(btci); + /* set new regs values */ + brcmf_btcoex_params_write(ifp, 66, BRCMF_BT_DHCP_REG66); + brcmf_btcoex_params_write(ifp, 41, BRCMF_BT_DHCP_REG41); + brcmf_btcoex_params_write(ifp, 68, BRCMF_BT_DHCP_REG68); + btci->dhcp_done = false; + btci->bt_state = BRCMF_BT_DHCP_START; + schedule_work(&btci->work); + brcmf_dbg(TRACE, "enable BT DHCP Timer\n"); +} + +static void brcmf_btcoex_dhcp_end(struct brcmf_btcoex_info *btci) +{ + /* Stop any bt timer because DHCP session is done */ + btci->dhcp_done = true; + if (btci->timer_on) { + brcmf_dbg(TRACE, "disable BT DHCP Timer\n"); + btci->timer_on = false; + del_timer_sync(&btci->timer); + + /* schedule worker if transition to IDLE is needed */ + if (btci->bt_state != BRCMF_BT_DHCP_IDLE) { + brcmf_dbg(TRACE, "bt_state:%d\n", + btci->bt_state); + schedule_work(&btci->work); + } + } else { + /* Restore original values */ + brcmf_btcoex_restore_part1(btci); + } +} + +/** + * brcmf_btcoex_set_mode - set BT coex mode + * @cfg: driver private cfg80211 data + * @mode: Wifi-Bluetooth coexistence mode + * + * return: 0 on success + */ +int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif, + enum brcmf_btcoex_mode mode, u16 duration) +{ + struct brcmf_cfg80211_info *cfg = wiphy_priv(vif->wdev.wiphy); + struct brcmf_btcoex_info *btci = cfg->btcoex; + struct brcmf_if *ifp = cfg->pub->iflist[0]; + + switch (mode) { + case BRCMF_BTCOEX_DISABLED: + brcmf_dbg(TRACE, "DHCP session starts\n"); + if (btci->bt_state != BRCMF_BT_DHCP_IDLE) + return -EBUSY; + /* Start BT timer only for SCO connection */ + if (brcmf_btcoex_is_sco_active(ifp)) { + btci->timeout = duration; + btci->vif = vif; + brcmf_btcoex_dhcp_start(btci); + } + break; + + case BRCMF_BTCOEX_ENABLED: + brcmf_dbg(TRACE, "DHCP session ends\n"); + if (btci->bt_state != BRCMF_BT_DHCP_IDLE && + vif == btci->vif) { + brcmf_btcoex_dhcp_end(btci); + } + break; + default: + brcmf_dbg(TRACE, "Unknown mode, ignored\n"); + } + return 0; +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h new file mode 100644 index 000000000000..19647c68aa9e --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef WL_BTCOEX_H_ +#define WL_BTCOEX_H_ + +enum brcmf_btcoex_mode { + BRCMF_BTCOEX_DISABLED, + BRCMF_BTCOEX_ENABLED +}; + +int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg); +void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg); +int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif, + enum brcmf_btcoex_mode mode, u16 duration); + +#endif /* WL_BTCOEX_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h index 5249c67b466c..28db9cf39672 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h @@ -28,6 +28,7 @@ /******************************************************************************* * IO codes that are interpreted by dongle firmware ******************************************************************************/ +#define BRCMF_C_GET_VERSION 1 #define BRCMF_C_UP 2 #define BRCMF_C_DOWN 3 #define BRCMF_C_SET_PROMISC 10 diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index 763a84eba216..59c25463e428 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -754,14 +754,14 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, /* this is P2P_DEVICE interface */ brcmf_dbg(INFO, "allocate non-netdev interface\n"); ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); + if (!ifp) + return ERR_PTR(-ENOMEM); } else { brcmf_dbg(INFO, "allocate netdev interface\n"); /* Allocate netdev, including space for private structure */ ndev = alloc_netdev(sizeof(*ifp), name, ether_setup); - if (!ndev) { - brcmf_err("OOM - alloc_netdev\n"); + if (!ndev) return ERR_PTR(-ENOMEM); - } ifp = netdev_priv(ndev); ifp->ndev = ndev; @@ -899,7 +899,10 @@ int brcmf_bus_start(struct device *dev) goto fail; drvr->fw_signals = true; - (void)brcmf_fws_init(drvr); + ret = brcmf_fws_init(drvr); + if (ret < 0) + goto fail; + brcmf_fws_add_interface(ifp); drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 4ff2d3c52ee6..d2487518bd2a 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -31,6 +31,7 @@ #include <linux/bcma/bcma.h> #include <linux/debugfs.h> #include <linux/vmalloc.h> +#include <linux/platform_data/brcmfmac-sdio.h> #include <asm/unaligned.h> #include <defs.h> #include <brcmu_wifi.h> @@ -324,6 +325,9 @@ MODULE_FIRMWARE(BRCMF_SDIO_NV_NAME); */ #define BRCMF_IDLE_INTERVAL 1 +#define KSO_WAIT_US 50 +#define MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US) + /* * Conversion of 802.1D priority to precedence level */ @@ -333,95 +337,6 @@ static uint prio2prec(u32 prio) (prio^2) : prio; } -/* core registers */ -struct sdpcmd_regs { - u32 corecontrol; /* 0x00, rev8 */ - u32 corestatus; /* rev8 */ - u32 PAD[1]; - u32 biststatus; /* rev8 */ - - /* PCMCIA access */ - u16 pcmciamesportaladdr; /* 0x010, rev8 */ - u16 PAD[1]; - u16 pcmciamesportalmask; /* rev8 */ - u16 PAD[1]; - u16 pcmciawrframebc; /* rev8 */ - u16 PAD[1]; - u16 pcmciaunderflowtimer; /* rev8 */ - u16 PAD[1]; - - /* interrupt */ - u32 intstatus; /* 0x020, rev8 */ - u32 hostintmask; /* rev8 */ - u32 intmask; /* rev8 */ - u32 sbintstatus; /* rev8 */ - u32 sbintmask; /* rev8 */ - u32 funcintmask; /* rev4 */ - u32 PAD[2]; - u32 tosbmailbox; /* 0x040, rev8 */ - u32 tohostmailbox; /* rev8 */ - u32 tosbmailboxdata; /* rev8 */ - u32 tohostmailboxdata; /* rev8 */ - - /* synchronized access to registers in SDIO clock domain */ - u32 sdioaccess; /* 0x050, rev8 */ - u32 PAD[3]; - - /* PCMCIA frame control */ - u8 pcmciaframectrl; /* 0x060, rev8 */ - u8 PAD[3]; - u8 pcmciawatermark; /* rev8 */ - u8 PAD[155]; - - /* interrupt batching control */ - u32 intrcvlazy; /* 0x100, rev8 */ - u32 PAD[3]; - - /* counters */ - u32 cmd52rd; /* 0x110, rev8 */ - u32 cmd52wr; /* rev8 */ - u32 cmd53rd; /* rev8 */ - u32 cmd53wr; /* rev8 */ - u32 abort; /* rev8 */ - u32 datacrcerror; /* rev8 */ - u32 rdoutofsync; /* rev8 */ - u32 wroutofsync; /* rev8 */ - u32 writebusy; /* rev8 */ - u32 readwait; /* rev8 */ - u32 readterm; /* rev8 */ - u32 writeterm; /* rev8 */ - u32 PAD[40]; - u32 clockctlstatus; /* rev8 */ - u32 PAD[7]; - - u32 PAD[128]; /* DMA engines */ - - /* SDIO/PCMCIA CIS region */ - char cis[512]; /* 0x400-0x5ff, rev6 */ - - /* PCMCIA function control registers */ - char pcmciafcr[256]; /* 0x600-6ff, rev6 */ - u16 PAD[55]; - - /* PCMCIA backplane access */ - u16 backplanecsr; /* 0x76E, rev6 */ - u16 backplaneaddr0; /* rev6 */ - u16 backplaneaddr1; /* rev6 */ - u16 backplaneaddr2; /* rev6 */ - u16 backplaneaddr3; /* rev6 */ - u16 backplanedata0; /* rev6 */ - u16 backplanedata1; /* rev6 */ - u16 backplanedata2; /* rev6 */ - u16 backplanedata3; /* rev6 */ - u16 PAD[31]; - - /* sprom "size" & "blank" info */ - u16 spromstatus; /* 0x7BE, rev2 */ - u32 PAD[464]; - - u16 PAD[0x80]; -}; - #ifdef DEBUG /* Device console log buffer state */ struct brcmf_console { @@ -588,12 +503,14 @@ struct brcmf_sdio { bool txoff; /* Transmit flow-controlled */ struct brcmf_sdio_count sdcnt; + bool sr_enabled; /* SaveRestore enabled */ + bool sleeping; /* SDIO bus sleeping */ }; /* clkstate */ #define CLK_NONE 0 #define CLK_SDONLY 1 -#define CLK_PENDING 2 /* Not used yet */ +#define CLK_PENDING 2 #define CLK_AVAIL 3 #ifdef DEBUG @@ -601,7 +518,7 @@ static int qcount[NUMPRIO]; static int tx_packets[NUMPRIO]; #endif /* DEBUG */ -#define SDIO_DRIVE_STRENGTH 6 /* in milliamps */ +#define DEFAULT_SDIO_DRIVE_STRENGTH 6 /* in milliamps */ #define RETRYCHAN(chan) ((chan) == SDPCM_EVENT_CHANNEL) @@ -665,6 +582,62 @@ w_sdreg32(struct brcmf_sdio *bus, u32 regval, u32 reg_offset) return ret; } +static int +brcmf_sdbrcm_kso_control(struct brcmf_sdio *bus, bool on) +{ + u8 wr_val = 0, rd_val, cmp_val, bmask; + int err = 0; + int try_cnt = 0; + + brcmf_dbg(TRACE, "Enter\n"); + + wr_val = (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); + /* 1st KSO write goes to AOS wake up core if device is asleep */ + brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + wr_val, &err); + if (err) { + brcmf_err("SDIO_AOS KSO write error: %d\n", err); + return err; + } + + if (on) { + /* device WAKEUP through KSO: + * write bit 0 & read back until + * both bits 0 (kso bit) & 1 (dev on status) are set + */ + cmp_val = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK | + SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK; + bmask = cmp_val; + usleep_range(2000, 3000); + } else { + /* Put device to sleep, turn off KSO */ + cmp_val = 0; + /* only check for bit0, bit1(dev on status) may not + * get cleared right away + */ + bmask = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK; + } + + do { + /* reliable KSO bit set/clr: + * the sdiod sleep write access is synced to PMU 32khz clk + * just one write attempt may fail, + * read it back until it matches written value + */ + rd_val = brcmf_sdio_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + &err); + if (((rd_val & bmask) == cmp_val) && !err) + break; + brcmf_dbg(SDIO, "KSO wr/rd retry:%d (max: %d) ERR:%x\n", + try_cnt, MAX_KSO_ATTEMPTS, err); + udelay(KSO_WAIT_US); + brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + wr_val, &err); + } while (try_cnt++ < MAX_KSO_ATTEMPTS); + + return err; +} + #define PKT_AVAILABLE() (intstatus & I_HMB_FRAME_IND) #define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE) @@ -680,6 +653,11 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok) clkctl = 0; + if (bus->sr_enabled) { + bus->clkstate = (on ? CLK_AVAIL : CLK_SDONLY); + return 0; + } + if (on) { /* Request HT Avail */ clkreq = @@ -856,6 +834,63 @@ static int brcmf_sdbrcm_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) return 0; } +static int +brcmf_sdbrcm_bus_sleep(struct brcmf_sdio *bus, bool sleep, bool pendok) +{ + int err = 0; + brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(SDIO, "request %s currently %s\n", + (sleep ? "SLEEP" : "WAKE"), + (bus->sleeping ? "SLEEP" : "WAKE")); + + /* If SR is enabled control bus state with KSO */ + if (bus->sr_enabled) { + /* Done if we're already in the requested state */ + if (sleep == bus->sleeping) + goto end; + + /* Going to sleep */ + if (sleep) { + /* Don't sleep if something is pending */ + if (atomic_read(&bus->intstatus) || + atomic_read(&bus->ipend) > 0 || + (!atomic_read(&bus->fcstate) && + brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && + data_ok(bus))) + return -EBUSY; + err = brcmf_sdbrcm_kso_control(bus, false); + /* disable watchdog */ + if (!err) + brcmf_sdbrcm_wd_timer(bus, 0); + } else { + bus->idlecount = 0; + err = brcmf_sdbrcm_kso_control(bus, true); + } + if (!err) { + /* Change state */ + bus->sleeping = sleep; + brcmf_dbg(SDIO, "new state %s\n", + (sleep ? "SLEEP" : "WAKE")); + } else { + brcmf_err("error while changing bus sleep state %d\n", + err); + return err; + } + } + +end: + /* control clocks */ + if (sleep) { + if (!bus->sr_enabled) + brcmf_sdbrcm_clkctl(bus, CLK_NONE, pendok); + } else { + brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, pendok); + } + + return err; + +} + static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus) { u32 intstatus = 0; @@ -1960,7 +1995,7 @@ static void brcmf_sdbrcm_bus_stop(struct device *dev) sdio_claim_host(bus->sdiodev->func[1]); /* Enable clock for device interrupts */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); + brcmf_sdbrcm_bus_sleep(bus, false, false); /* Disable and clear interrupts at the chip level also */ w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask)); @@ -2012,23 +2047,19 @@ static void brcmf_sdbrcm_bus_stop(struct device *dev) bus->tx_seq = bus->rx_seq = 0; } -#ifdef CONFIG_BRCMFMAC_SDIO_OOB static inline void brcmf_sdbrcm_clrintr(struct brcmf_sdio *bus) { unsigned long flags; - spin_lock_irqsave(&bus->sdiodev->irq_en_lock, flags); - if (!bus->sdiodev->irq_en && !atomic_read(&bus->ipend)) { - enable_irq(bus->sdiodev->irq); - bus->sdiodev->irq_en = true; + if (bus->sdiodev->oob_irq_requested) { + spin_lock_irqsave(&bus->sdiodev->irq_en_lock, flags); + if (!bus->sdiodev->irq_en && !atomic_read(&bus->ipend)) { + enable_irq(bus->sdiodev->pdata->oob_irq_nr); + bus->sdiodev->irq_en = true; + } + spin_unlock_irqrestore(&bus->sdiodev->irq_en_lock, flags); } - spin_unlock_irqrestore(&bus->sdiodev->irq_en_lock, flags); -} -#else -static inline void brcmf_sdbrcm_clrintr(struct brcmf_sdio *bus) -{ } -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ static inline void brcmf_sdbrcm_adddpctsk(struct brcmf_sdio *bus) { @@ -2096,7 +2127,7 @@ static void brcmf_sdbrcm_dpc(struct brcmf_sdio *bus) sdio_claim_host(bus->sdiodev->func[1]); /* If waiting for HTAVAIL, check status */ - if (bus->clkstate == CLK_PENDING) { + if (!bus->sr_enabled && bus->clkstate == CLK_PENDING) { u8 clkctl, devctl = 0; #ifdef DEBUG @@ -2142,7 +2173,7 @@ static void brcmf_sdbrcm_dpc(struct brcmf_sdio *bus) } /* Make sure backplane clock is on */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, true); + brcmf_sdbrcm_bus_sleep(bus, false, true); /* Pending interrupt indicates new device status */ if (atomic_read(&bus->ipend) > 0) { @@ -2288,8 +2319,9 @@ static void brcmf_sdbrcm_dpc(struct brcmf_sdio *bus) if ((bus->clkstate != CLK_PENDING) && bus->idletime == BRCMF_IDLE_IMMEDIATE) { bus->activity = false; + brcmf_dbg(SDIO, "idle state\n"); sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); + brcmf_sdbrcm_bus_sleep(bus, true, false); sdio_release_host(bus->sdiodev->func[1]); } } @@ -2362,69 +2394,6 @@ static int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt) return ret; } -static int -brcmf_sdbrcm_membytes(struct brcmf_sdio *bus, bool write, u32 address, u8 *data, - uint size) -{ - int bcmerror = 0; - u32 sdaddr; - uint dsize; - - /* Determine initial transfer parameters */ - sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; - if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) - dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); - else - dsize = size; - - sdio_claim_host(bus->sdiodev->func[1]); - - /* Set the backplane window to include the start address */ - bcmerror = brcmf_sdcard_set_sbaddr_window(bus->sdiodev, address); - if (bcmerror) { - brcmf_err("window change failed\n"); - goto xfer_done; - } - - /* Do the transfer(s) */ - while (size) { - brcmf_dbg(SDIO, "%s %d bytes at offset 0x%08x in window 0x%08x\n", - write ? "write" : "read", dsize, - sdaddr, address & SBSDIO_SBWINDOW_MASK); - bcmerror = brcmf_sdcard_rwdata(bus->sdiodev, write, - sdaddr, data, dsize); - if (bcmerror) { - brcmf_err("membytes transfer failed\n"); - break; - } - - /* Adjust for next transfer (if any) */ - size -= dsize; - if (size) { - data += dsize; - address += dsize; - bcmerror = brcmf_sdcard_set_sbaddr_window(bus->sdiodev, - address); - if (bcmerror) { - brcmf_err("window change failed\n"); - break; - } - sdaddr = 0; - dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); - } - } - -xfer_done: - /* Return the window to backplane enumeration space for core access */ - if (brcmf_sdcard_set_sbaddr_window(bus->sdiodev, bus->sdiodev->sbwad)) - brcmf_err("FAILED to set window back to 0x%x\n", - bus->sdiodev->sbwad); - - sdio_release_host(bus->sdiodev->func[1]); - - return bcmerror; -} - #ifdef DEBUG #define CONSOLE_LINE_MAX 192 @@ -2441,8 +2410,8 @@ static int brcmf_sdbrcm_readconsole(struct brcmf_sdio *bus) /* Read console log struct */ addr = bus->console_addr + offsetof(struct rte_console, log_le); - rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&c->log_le, - sizeof(c->log_le)); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, (u8 *)&c->log_le, + sizeof(c->log_le)); if (rv < 0) return rv; @@ -2467,7 +2436,7 @@ static int brcmf_sdbrcm_readconsole(struct brcmf_sdio *bus) /* Read the console buffer */ addr = le32_to_cpu(c->log_le.buf); - rv = brcmf_sdbrcm_membytes(bus, false, addr, c->buf, c->bufsize); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, c->buf, c->bufsize); if (rv < 0) return rv; @@ -2592,7 +2561,7 @@ brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen) /* Make sure backplane clock is on */ sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); + brcmf_sdbrcm_bus_sleep(bus, false, false); sdio_release_host(bus->sdiodev->func[1]); /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ @@ -2650,6 +2619,7 @@ brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen) bus->activity = false; sdio_claim_host(bus->sdiodev->func[1]); + brcmf_dbg(INFO, "idle\n"); brcmf_sdbrcm_clkctl(bus, CLK_NONE, true); sdio_release_host(bus->sdiodev->func[1]); } else { @@ -2679,16 +2649,15 @@ static int brcmf_sdio_readshared(struct brcmf_sdio *bus, struct sdpcm_shared_le sh_le; __le32 addr_le; - shaddr = bus->ramsize - 4; + shaddr = bus->ci->rambase + bus->ramsize - 4; /* * Read last word in socram to determine * address of sdpcm_shared structure */ sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); - rv = brcmf_sdbrcm_membytes(bus, false, shaddr, - (u8 *)&addr_le, 4); + brcmf_sdbrcm_bus_sleep(bus, false, false); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, shaddr, (u8 *)&addr_le, 4); sdio_release_host(bus->sdiodev->func[1]); if (rv < 0) return rv; @@ -2708,8 +2677,8 @@ static int brcmf_sdio_readshared(struct brcmf_sdio *bus, } /* Read hndrte_shared structure */ - rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&sh_le, - sizeof(struct sdpcm_shared_le)); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, (u8 *)&sh_le, + sizeof(struct sdpcm_shared_le)); if (rv < 0) return rv; @@ -2745,22 +2714,22 @@ static int brcmf_sdio_dump_console(struct brcmf_sdio *bus, /* obtain console information from device memory */ addr = sh->console_addr + offsetof(struct rte_console, log_le); - rv = brcmf_sdbrcm_membytes(bus, false, addr, - (u8 *)&sh_val, sizeof(u32)); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, + (u8 *)&sh_val, sizeof(u32)); if (rv < 0) return rv; console_ptr = le32_to_cpu(sh_val); addr = sh->console_addr + offsetof(struct rte_console, log_le.buf_size); - rv = brcmf_sdbrcm_membytes(bus, false, addr, - (u8 *)&sh_val, sizeof(u32)); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, + (u8 *)&sh_val, sizeof(u32)); if (rv < 0) return rv; console_size = le32_to_cpu(sh_val); addr = sh->console_addr + offsetof(struct rte_console, log_le.idx); - rv = brcmf_sdbrcm_membytes(bus, false, addr, - (u8 *)&sh_val, sizeof(u32)); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, + (u8 *)&sh_val, sizeof(u32)); if (rv < 0) return rv; console_index = le32_to_cpu(sh_val); @@ -2774,8 +2743,8 @@ static int brcmf_sdio_dump_console(struct brcmf_sdio *bus, /* obtain the console data from device */ conbuf[console_size] = '\0'; - rv = brcmf_sdbrcm_membytes(bus, false, console_ptr, (u8 *)conbuf, - console_size); + rv = brcmf_sdio_ramrw(bus->sdiodev, false, console_ptr, (u8 *)conbuf, + console_size); if (rv < 0) goto done; @@ -2812,8 +2781,8 @@ static int brcmf_sdio_trap_info(struct brcmf_sdio *bus, struct sdpcm_shared *sh, return 0; } - error = brcmf_sdbrcm_membytes(bus, false, sh->trap_addr, (u8 *)&tr, - sizeof(struct brcmf_trap_info)); + error = brcmf_sdio_ramrw(bus->sdiodev, false, sh->trap_addr, (u8 *)&tr, + sizeof(struct brcmf_trap_info)); if (error < 0) return error; @@ -2856,14 +2825,14 @@ static int brcmf_sdio_assert_info(struct brcmf_sdio *bus, sdio_claim_host(bus->sdiodev->func[1]); if (sh->assert_file_addr != 0) { - error = brcmf_sdbrcm_membytes(bus, false, sh->assert_file_addr, - (u8 *)file, 80); + error = brcmf_sdio_ramrw(bus->sdiodev, false, + sh->assert_file_addr, (u8 *)file, 80); if (error < 0) return error; } if (sh->assert_exp_addr != 0) { - error = brcmf_sdbrcm_membytes(bus, false, sh->assert_exp_addr, - (u8 *)expr, 80); + error = brcmf_sdio_ramrw(bus->sdiodev, false, + sh->assert_exp_addr, (u8 *)expr, 80); if (error < 0) return error; } @@ -3021,84 +2990,8 @@ brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen) return rxlen ? (int)rxlen : -ETIMEDOUT; } -static int brcmf_sdbrcm_write_vars(struct brcmf_sdio *bus) -{ - int bcmerror = 0; - u32 varaddr; - u32 varsizew; - __le32 varsizew_le; -#ifdef DEBUG - char *nvram_ularray; -#endif /* DEBUG */ - - /* Even if there are no vars are to be written, we still - need to set the ramsize. */ - varaddr = (bus->ramsize - 4) - bus->varsz; - - if (bus->vars) { - /* Write the vars list */ - bcmerror = brcmf_sdbrcm_membytes(bus, true, varaddr, - bus->vars, bus->varsz); -#ifdef DEBUG - /* Verify NVRAM bytes */ - brcmf_dbg(INFO, "Compare NVRAM dl & ul; varsize=%d\n", - bus->varsz); - nvram_ularray = kmalloc(bus->varsz, GFP_ATOMIC); - if (!nvram_ularray) - return -ENOMEM; - - /* Upload image to verify downloaded contents. */ - memset(nvram_ularray, 0xaa, bus->varsz); - - /* Read the vars list to temp buffer for comparison */ - bcmerror = brcmf_sdbrcm_membytes(bus, false, varaddr, - nvram_ularray, bus->varsz); - if (bcmerror) { - brcmf_err("error %d on reading %d nvram bytes at 0x%08x\n", - bcmerror, bus->varsz, varaddr); - } - /* Compare the org NVRAM with the one read from RAM */ - if (memcmp(bus->vars, nvram_ularray, bus->varsz)) - brcmf_err("Downloaded NVRAM image is corrupted\n"); - else - brcmf_err("Download/Upload/Compare of NVRAM ok\n"); - - kfree(nvram_ularray); -#endif /* DEBUG */ - } - - /* adjust to the user specified RAM */ - brcmf_dbg(INFO, "Physical memory size: %d\n", bus->ramsize); - brcmf_dbg(INFO, "Vars are at %d, orig varsize is %d\n", - varaddr, bus->varsz); - - /* - * Determine the length token: - * Varsize, converted to words, in lower 16-bits, checksum - * in upper 16-bits. - */ - if (bcmerror) { - varsizew = 0; - varsizew_le = cpu_to_le32(0); - } else { - varsizew = bus->varsz / 4; - varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF); - varsizew_le = cpu_to_le32(varsizew); - } - - brcmf_dbg(INFO, "New varsize is %d, length token=0x%08x\n", - bus->varsz, varsizew); - - /* Write the length token to the last word */ - bcmerror = brcmf_sdbrcm_membytes(bus, true, (bus->ramsize - 4), - (u8 *)&varsizew_le, 4); - - return bcmerror; -} - -static int brcmf_sdbrcm_download_state(struct brcmf_sdio *bus, bool enter) +static bool brcmf_sdbrcm_download_state(struct brcmf_sdio *bus, bool enter) { - int bcmerror = 0; struct chip_info *ci = bus->ci; /* To enter download state, disable ARM and reset SOCRAM. @@ -3107,41 +3000,19 @@ static int brcmf_sdbrcm_download_state(struct brcmf_sdio *bus, bool enter) if (enter) { bus->alp_only = true; - ci->coredisable(bus->sdiodev, ci, BCMA_CORE_ARM_CM3); - - ci->resetcore(bus->sdiodev, ci, BCMA_CORE_INTERNAL_MEM); - - /* Clear the top bit of memory */ - if (bus->ramsize) { - u32 zeros = 0; - brcmf_sdbrcm_membytes(bus, true, bus->ramsize - 4, - (u8 *)&zeros, 4); - } + brcmf_sdio_chip_enter_download(bus->sdiodev, ci); } else { - if (!ci->iscoreup(bus->sdiodev, ci, BCMA_CORE_INTERNAL_MEM)) { - brcmf_err("SOCRAM core is down after reset?\n"); - bcmerror = -EBADE; - goto fail; - } - - bcmerror = brcmf_sdbrcm_write_vars(bus); - if (bcmerror) { - brcmf_err("no vars written to RAM\n"); - bcmerror = 0; - } - - w_sdreg32(bus, 0xFFFFFFFF, - offsetof(struct sdpcmd_regs, intstatus)); - - ci->resetcore(bus->sdiodev, ci, BCMA_CORE_ARM_CM3); + if (!brcmf_sdio_chip_exit_download(bus->sdiodev, ci, bus->vars, + bus->varsz)) + return false; /* Allow HT Clock now that the ARM is running. */ bus->alp_only = false; bus->sdiodev->bus_if->state = BRCMF_BUS_LOAD; } -fail: - return bcmerror; + + return true; } static int brcmf_sdbrcm_get_image(char *buf, int len, struct brcmf_sdio *bus) @@ -3156,10 +3027,11 @@ static int brcmf_sdbrcm_get_image(char *buf, int len, struct brcmf_sdio *bus) static int brcmf_sdbrcm_download_code_file(struct brcmf_sdio *bus) { - int offset = 0; + int offset; uint len; u8 *memblock = NULL, *memptr; int ret; + u8 idx; brcmf_dbg(INFO, "Enter\n"); @@ -3180,10 +3052,15 @@ static int brcmf_sdbrcm_download_code_file(struct brcmf_sdio *bus) memptr += (BRCMF_SDALIGN - ((u32)(unsigned long)memblock % BRCMF_SDALIGN)); + offset = bus->ci->rambase; + /* Download image */ - while ((len = - brcmf_sdbrcm_get_image((char *)memptr, MEMBLOCK, bus))) { - ret = brcmf_sdbrcm_membytes(bus, true, offset, memptr, len); + len = brcmf_sdbrcm_get_image((char *)memptr, MEMBLOCK, bus); + idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_ARM_CR4); + if (BRCMF_MAX_CORENUM != idx) + memcpy(&bus->ci->rst_vec, memptr, sizeof(bus->ci->rst_vec)); + while (len) { + ret = brcmf_sdio_ramrw(bus->sdiodev, true, offset, memptr, len); if (ret) { brcmf_err("error %d on writing %d membytes at 0x%08x\n", ret, MEMBLOCK, offset); @@ -3191,6 +3068,7 @@ static int brcmf_sdbrcm_download_code_file(struct brcmf_sdio *bus) } offset += MEMBLOCK; + len = brcmf_sdbrcm_get_image((char *)memptr, MEMBLOCK, bus); } err: @@ -3298,7 +3176,7 @@ static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus) int bcmerror = -1; /* Keep arm in reset */ - if (brcmf_sdbrcm_download_state(bus, true)) { + if (!brcmf_sdbrcm_download_state(bus, true)) { brcmf_err("error placing ARM core in reset\n"); goto err; } @@ -3314,7 +3192,7 @@ static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus) } /* Take arm out of reset */ - if (brcmf_sdbrcm_download_state(bus, false)) { + if (!brcmf_sdbrcm_download_state(bus, false)) { brcmf_err("error getting out of ARM core reset\n"); goto err; } @@ -3325,6 +3203,103 @@ err: return bcmerror; } +static bool brcmf_sdbrcm_sr_capable(struct brcmf_sdio *bus) +{ + u32 addr, reg; + + brcmf_dbg(TRACE, "Enter\n"); + + /* old chips with PMU version less than 17 don't support save restore */ + if (bus->ci->pmurev < 17) + return false; + + /* read PMU chipcontrol register 3*/ + addr = CORE_CC_REG(bus->ci->c_inf[0].base, chipcontrol_addr); + brcmf_sdio_regwl(bus->sdiodev, addr, 3, NULL); + addr = CORE_CC_REG(bus->ci->c_inf[0].base, chipcontrol_data); + reg = brcmf_sdio_regrl(bus->sdiodev, addr, NULL); + + return (bool)reg; +} + +static void brcmf_sdbrcm_sr_init(struct brcmf_sdio *bus) +{ + int err = 0; + u8 val; + + brcmf_dbg(TRACE, "Enter\n"); + + val = brcmf_sdio_regrb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, + &err); + if (err) { + brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n"); + return; + } + + val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; + brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, + val, &err); + if (err) { + brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n"); + return; + } + + /* Add CMD14 Support */ + brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP, + (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT | + SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT), + &err); + if (err) { + brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n"); + return; + } + + brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + SBSDIO_FORCE_HT, &err); + if (err) { + brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n"); + return; + } + + /* set flag */ + bus->sr_enabled = true; + brcmf_dbg(INFO, "SR enabled\n"); +} + +/* enable KSO bit */ +static int brcmf_sdbrcm_kso_init(struct brcmf_sdio *bus) +{ + u8 val; + int err = 0; + + brcmf_dbg(TRACE, "Enter\n"); + + /* KSO bit added in SDIO core rev 12 */ + if (bus->ci->c_inf[1].rev < 12) + return 0; + + val = brcmf_sdio_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + &err); + if (err) { + brcmf_err("error reading SBSDIO_FUNC1_SLEEPCSR\n"); + return err; + } + + if (!(val & SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) { + val |= (SBSDIO_FUNC1_SLEEPCSR_KSO_EN << + SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); + brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, + val, &err); + if (err) { + brcmf_err("error writing SBSDIO_FUNC1_SLEEPCSR\n"); + return err; + } + } + + return 0; +} + + static bool brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus) { @@ -3423,8 +3398,13 @@ static int brcmf_sdbrcm_bus_init(struct device *dev) ret = -ENODEV; } - /* Restore previous clock setting */ - brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, saveclk, &err); + if (brcmf_sdbrcm_sr_capable(bus)) { + brcmf_sdbrcm_sr_init(bus); + } else { + /* Restore previous clock setting */ + brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, + saveclk, &err); + } if (ret == 0) { ret = brcmf_sdio_intr_register(bus->sdiodev); @@ -3485,7 +3465,8 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) brcmf_dbg(TIMER, "Enter\n"); /* Poll period: check device if appropriate. */ - if (bus->poll && (++bus->polltick >= bus->pollrate)) { + if (!bus->sr_enabled && + bus->poll && (++bus->polltick >= bus->pollrate)) { u32 intstatus = 0; /* Reset poll tick */ @@ -3536,7 +3517,7 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) bus->console.count -= bus->console_interval; sdio_claim_host(bus->sdiodev->func[1]); /* Make sure backplane clock is on */ - brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); + brcmf_sdbrcm_bus_sleep(bus, false, false); if (brcmf_sdbrcm_readconsole(bus) < 0) /* stop on error */ bus->console_interval = 0; @@ -3553,8 +3534,9 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) bus->activity = false; brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS); } else { + brcmf_dbg(SDIO, "idle\n"); sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); + brcmf_sdbrcm_bus_sleep(bus, true, false); sdio_release_host(bus->sdiodev->func[1]); } } @@ -3565,6 +3547,8 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus) static bool brcmf_sdbrcm_chipmatch(u16 chipid) { + if (chipid == BCM43143_CHIP_ID) + return true; if (chipid == BCM43241_CHIP_ID) return true; if (chipid == BCM4329_CHIP_ID) @@ -3573,6 +3557,8 @@ static bool brcmf_sdbrcm_chipmatch(u16 chipid) return true; if (chipid == BCM4334_CHIP_ID) return true; + if (chipid == BCM4335_CHIP_ID) + return true; return false; } @@ -3650,7 +3636,7 @@ brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva) int err = 0; int reg_addr; u32 reg_val; - u8 idx; + u32 drivestrength; bus->alp_only = true; @@ -3686,8 +3672,16 @@ brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva) goto fail; } - brcmf_sdio_chip_drivestrengthinit(bus->sdiodev, bus->ci, - SDIO_DRIVE_STRENGTH); + if (brcmf_sdbrcm_kso_init(bus)) { + brcmf_err("error enabling KSO\n"); + goto fail; + } + + if ((bus->sdiodev->pdata) && (bus->sdiodev->pdata->drive_strength)) + drivestrength = bus->sdiodev->pdata->drive_strength; + else + drivestrength = DEFAULT_SDIO_DRIVE_STRENGTH; + brcmf_sdio_chip_drivestrengthinit(bus->sdiodev, bus->ci, drivestrength); /* Get info on the SOCRAM cores... */ bus->ramsize = bus->ci->ramsize; @@ -3696,12 +3690,37 @@ brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva) goto fail; } - /* Set core control so an SDIO reset does a backplane reset */ - idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV); - reg_addr = bus->ci->c_inf[idx].base + - offsetof(struct sdpcmd_regs, corecontrol); - reg_val = brcmf_sdio_regrl(bus->sdiodev, reg_addr, NULL); - brcmf_sdio_regwl(bus->sdiodev, reg_addr, reg_val | CC_BPRESEN, NULL); + /* Set card control so an SDIO card reset does a WLAN backplane reset */ + reg_val = brcmf_sdio_regrb(bus->sdiodev, + SDIO_CCCR_BRCM_CARDCTRL, &err); + if (err) + goto fail; + + reg_val |= SDIO_CCCR_BRCM_CARDCTRL_WLANRESET; + + brcmf_sdio_regwb(bus->sdiodev, + SDIO_CCCR_BRCM_CARDCTRL, reg_val, &err); + if (err) + goto fail; + + /* set PMUControl so a backplane reset does PMU state reload */ + reg_addr = CORE_CC_REG(bus->ci->c_inf[0].base, + pmucontrol); + reg_val = brcmf_sdio_regrl(bus->sdiodev, + reg_addr, + &err); + if (err) + goto fail; + + reg_val |= (BCMA_CC_PMU_CTL_RES_RELOAD << BCMA_CC_PMU_CTL_RES_SHIFT); + + brcmf_sdio_regwl(bus->sdiodev, + reg_addr, + reg_val, + &err); + if (err) + goto fail; + sdio_release_host(bus->sdiodev->func[1]); @@ -3755,6 +3774,10 @@ static bool brcmf_sdbrcm_probe_init(struct brcmf_sdio *bus) bus->use_rxchain = false; bus->sd_rxchain = false; + /* SR state */ + bus->sleeping = false; + bus->sr_enabled = false; + return true; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index b3c608ee37cf..5352dc1fdf3c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -21,6 +21,7 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/err.h> +#include <linux/jiffies.h> #include <uapi/linux/nl80211.h> #include <net/cfg80211.h> @@ -31,8 +32,11 @@ #include "dhd_dbg.h" #include "dhd_bus.h" #include "fwil.h" +#include "fwil_types.h" #include "fweh.h" #include "fwsignal.h" +#include "p2p.h" +#include "wl_cfg80211.h" /** * DOC: Firmware Signalling @@ -144,6 +148,9 @@ static const char *brcmf_fws_get_tlv_name(enum brcmf_fws_tlv_type id) #define BRCMF_FWS_HTOD_FLAG_PKTFROMHOST 0x01 #define BRCMF_FWS_HTOD_FLAG_PKT_REQUESTED 0x02 +#define BRCMF_FWS_RET_OK_NOSCHEDULE 0 +#define BRCMF_FWS_RET_OK_SCHEDULE 1 + /** * enum brcmf_fws_skb_state - indicates processing state of skb. * @@ -265,6 +272,9 @@ struct brcmf_skbuff_cb { brcmu_maskget32(txs, BRCMF_FWS_TXSTAT_ ## field ## _MASK, \ BRCMF_FWS_TXSTAT_ ## field ## _SHIFT) +/* How long to defer borrowing in jiffies */ +#define BRCMF_FWS_BORROW_DEFER_PERIOD (HZ / 10) + /** * enum brcmf_fws_fifo - fifo indices used by dongle firmware. * @@ -419,9 +429,11 @@ struct brcmf_fws_info { struct work_struct fws_dequeue_work; u32 fifo_enqpkt[BRCMF_FWS_FIFO_COUNT]; int fifo_credit[BRCMF_FWS_FIFO_COUNT]; + int credits_borrowed[BRCMF_FWS_FIFO_AC_VO + 1]; int deq_node_pos[BRCMF_FWS_FIFO_COUNT]; u32 fifo_credit_map; u32 fifo_delay_map; + unsigned long borrow_defer_timestamp; }; /* @@ -678,28 +690,28 @@ brcmf_fws_mac_descriptor_lookup(struct brcmf_fws_info *fws, u8 *ea) } static struct brcmf_fws_mac_descriptor* -brcmf_fws_find_mac_desc(struct brcmf_fws_info *fws, int ifidx, u8 *da) +brcmf_fws_find_mac_desc(struct brcmf_fws_info *fws, struct brcmf_if *ifp, + u8 *da) { struct brcmf_fws_mac_descriptor *entry = &fws->desc.other; - struct brcmf_if *ifp; bool multicast; + enum nl80211_iftype iftype; - brcmf_dbg(TRACE, "enter: ifidx=%d\n", ifidx); + brcmf_dbg(TRACE, "enter: idx=%d\n", ifp->bssidx); multicast = is_multicast_ether_addr(da); - ifp = fws->drvr->iflist[ifidx ? ifidx + 1 : 0]; - if (WARN_ON(!ifp)) - goto done; + iftype = brcmf_cfg80211_get_iftype(ifp); /* Multicast destination and P2P clients get the interface entry. * STA gets the interface entry if there is no exact match. For * example, TDLS destinations have their own entry. */ entry = NULL; - if (multicast && ifp->fws_desc) + if ((multicast || iftype == NL80211_IFTYPE_STATION || + iftype == NL80211_IFTYPE_P2P_CLIENT) && ifp->fws_desc) entry = ifp->fws_desc; - if (entry != NULL && multicast) + if (entry != NULL && iftype != NL80211_IFTYPE_STATION) goto done; entry = brcmf_fws_mac_descriptor_lookup(fws, da); @@ -711,26 +723,29 @@ done: return entry; } -static bool brcmf_fws_mac_desc_ready(struct brcmf_fws_mac_descriptor *entry, - int fifo) +static bool brcmf_fws_mac_desc_closed(struct brcmf_fws_info *fws, + struct brcmf_fws_mac_descriptor *entry, + int fifo) { - bool ready; + struct brcmf_fws_mac_descriptor *if_entry; + bool closed; - /* - * destination entry is ready when firmware says it is OPEN - * and there are no packets enqueued for it. + /* for unique destination entries the related interface + * may be closed. */ - ready = entry->state == BRCMF_FWS_STATE_OPEN && - !entry->suppressed && - brcmu_pktq_mlen(&entry->psq, 3 << (fifo * 2)) == 0; - - /* - * Or when the destination entry is CLOSED, but firmware has - * specifically requested packets for this entry. + if (entry->mac_handle) { + if_entry = &fws->desc.iface[entry->interface_id]; + if (if_entry->state == BRCMF_FWS_STATE_CLOSE) + return true; + } + /* an entry is closed when the state is closed and + * the firmware did not request anything. */ - ready = ready || (entry->state == BRCMF_FWS_STATE_CLOSE && - (entry->requested_credit + entry->requested_packet)); - return ready; + closed = entry->state == BRCMF_FWS_STATE_CLOSE && + !entry->requested_credit && !entry->requested_packet; + + /* Or firmware does not allow traffic for given fifo */ + return closed || !(entry->ac_bitmap & BIT(fifo)); } static void brcmf_fws_mac_desc_cleanup(struct brcmf_fws_info *fws, @@ -825,11 +840,12 @@ brcmf_fws_flow_control_check(struct brcmf_fws_info *fws, struct pktq *pq, { struct brcmf_if *ifp = fws->drvr->iflist[if_id]; - brcmf_dbg(TRACE, - "enter: bssidx=%d, ifidx=%d\n", ifp->bssidx, ifp->ifidx); if (WARN_ON(!ifp)) return; + brcmf_dbg(TRACE, + "enter: bssidx=%d, ifidx=%d\n", ifp->bssidx, ifp->ifidx); + if ((ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) && pq->len <= BRCMF_FWS_FLOWCONTROL_LOWATER) brcmf_txflowblock_if(ifp, @@ -861,9 +877,10 @@ int brcmf_fws_macdesc_indicate(struct brcmf_fws_info *fws, u8 type, u8 *data) entry = &fws->desc.nodes[mac_handle & 0x1F]; if (type == BRCMF_FWS_TYPE_MACDESC_DEL) { brcmf_dbg(TRACE, "deleting mac %pM idx %d\n", addr, ifidx); - if (entry->occupied) + if (entry->occupied) { + brcmf_fws_mac_desc_cleanup(fws, entry, -1); brcmf_fws_clear_mac_descriptor(entry); - else + } else fws->stats.mac_update_failed++; return 0; } @@ -914,12 +931,13 @@ static int brcmf_fws_macdesc_state_indicate(struct brcmf_fws_info *fws, entry->requested_credit = 0; if (type == BRCMF_FWS_TYPE_MAC_OPEN) { entry->state = BRCMF_FWS_STATE_OPEN; + return BRCMF_FWS_RET_OK_SCHEDULE; } else { entry->state = BRCMF_FWS_STATE_CLOSE; for (i = BRCMF_FWS_FIFO_AC_BE; i < NL80211_NUM_ACS; i++) brcmf_fws_tim_update(fws, entry, i); } - return 0; + return BRCMF_FWS_RET_OK_NOSCHEDULE; } static int brcmf_fws_interface_state_indicate(struct brcmf_fws_info *fws, @@ -946,10 +964,10 @@ static int brcmf_fws_interface_state_indicate(struct brcmf_fws_info *fws, switch (type) { case BRCMF_FWS_TYPE_INTERFACE_OPEN: entry->state = BRCMF_FWS_STATE_OPEN; - return 0; + return BRCMF_FWS_RET_OK_SCHEDULE; case BRCMF_FWS_TYPE_INTERFACE_CLOSE: entry->state = BRCMF_FWS_STATE_CLOSE; - return 0; + return BRCMF_FWS_RET_OK_NOSCHEDULE; default: ret = -EINVAL; break; @@ -979,15 +997,40 @@ static int brcmf_fws_request_indicate(struct brcmf_fws_info *fws, u8 type, entry->requested_packet = data[0]; entry->ac_bitmap = data[2]; - return 0; + return BRCMF_FWS_RET_OK_SCHEDULE; } static void brcmf_fws_return_credits(struct brcmf_fws_info *fws, u8 fifo, u8 credits) { + int lender_ac; + int *borrowed; + int *fifo_credit; + if (!credits) return; + if ((fifo == BRCMF_FWS_FIFO_AC_BE) && + (fws->credits_borrowed[0])) { + for (lender_ac = BRCMF_FWS_FIFO_AC_VO; lender_ac >= 0; + lender_ac--) { + borrowed = &fws->credits_borrowed[lender_ac]; + if (*borrowed) { + fws->fifo_credit_map |= (1 << lender_ac); + fifo_credit = &fws->fifo_credit[lender_ac]; + if (*borrowed >= credits) { + *borrowed -= credits; + *fifo_credit += credits; + return; + } else { + credits -= *borrowed; + *fifo_credit += *borrowed; + *borrowed = 0; + } + } + } + } + fws->fifo_credit_map |= 1 << fifo; fws->fifo_credit[fifo] += credits; } @@ -1074,7 +1117,7 @@ static struct sk_buff *brcmf_fws_deq(struct brcmf_fws_info *fws, int fifo) int num_nodes; int node_pos; int prec_out; - int pmsk = 3; + int pmsk; int i; table = (struct brcmf_fws_mac_descriptor *)&fws->desc; @@ -1083,11 +1126,14 @@ static struct sk_buff *brcmf_fws_deq(struct brcmf_fws_info *fws, int fifo) for (i = 0; i < num_nodes; i++) { entry = &table[(node_pos + i) % num_nodes]; - if (!entry->occupied) + if (!entry->occupied || + brcmf_fws_mac_desc_closed(fws, entry, fifo)) continue; if (entry->suppressed) pmsk = 2; + else + pmsk = 3; p = brcmu_pktq_mdeq(&entry->psq, pmsk << (fifo * 2), &prec_out); if (p == NULL) { if (entry->suppressed) { @@ -1250,7 +1296,7 @@ static int brcmf_fws_fifocreditback_indicate(struct brcmf_fws_info *fws, if (fws->fcmode != BRCMF_FWS_FCMODE_EXPLICIT_CREDIT) { brcmf_dbg(INFO, "ignored\n"); - return 0; + return BRCMF_FWS_RET_OK_NOSCHEDULE; } brcmf_dbg(TRACE, "enter: data %pM\n", data); @@ -1259,8 +1305,7 @@ static int brcmf_fws_fifocreditback_indicate(struct brcmf_fws_info *fws, brcmf_dbg(INFO, "map: credit %x delay %x\n", fws->fifo_credit_map, fws->fifo_delay_map); - brcmf_fws_schedule_deq(fws); - return 0; + return BRCMF_FWS_RET_OK_SCHEDULE; } static int brcmf_fws_txstatus_indicate(struct brcmf_fws_info *fws, u8 *data) @@ -1344,6 +1389,8 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, u8 type; u8 len; u8 *data; + s32 status; + s32 err; brcmf_dbg(TRACE, "enter: ifidx %d, skblen %u, sig %d\n", ifidx, skb->len, signal_len); @@ -1363,6 +1410,7 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, data_len = signal_len; signal_data = skb->data; + status = BRCMF_FWS_RET_OK_NOSCHEDULE; while (data_len > 0) { /* extract tlv info */ type = signal_data[0]; @@ -1388,6 +1436,7 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, if (len != brcmf_fws_get_tlv_len(fws, type)) break; + err = BRCMF_FWS_RET_OK_NOSCHEDULE; switch (type) { case BRCMF_FWS_TYPE_HOST_REORDER_RXPKTS: case BRCMF_FWS_TYPE_COMP_TXSTATUS: @@ -1398,21 +1447,22 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, break; case BRCMF_FWS_TYPE_MAC_OPEN: case BRCMF_FWS_TYPE_MAC_CLOSE: - brcmf_fws_macdesc_state_indicate(fws, type, data); + err = brcmf_fws_macdesc_state_indicate(fws, type, data); break; case BRCMF_FWS_TYPE_INTERFACE_OPEN: case BRCMF_FWS_TYPE_INTERFACE_CLOSE: - brcmf_fws_interface_state_indicate(fws, type, data); + err = brcmf_fws_interface_state_indicate(fws, type, + data); break; case BRCMF_FWS_TYPE_MAC_REQUEST_CREDIT: case BRCMF_FWS_TYPE_MAC_REQUEST_PACKET: - brcmf_fws_request_indicate(fws, type, data); + err = brcmf_fws_request_indicate(fws, type, data); break; case BRCMF_FWS_TYPE_TXSTATUS: brcmf_fws_txstatus_indicate(fws, data); break; case BRCMF_FWS_TYPE_FIFO_CREDITBACK: - brcmf_fws_fifocreditback_indicate(fws, data); + err = brcmf_fws_fifocreditback_indicate(fws, data); break; case BRCMF_FWS_TYPE_RSSI: brcmf_fws_rssi_indicate(fws, *data); @@ -1426,7 +1476,8 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, fws->stats.tlv_invalid_type++; break; } - + if (err == BRCMF_FWS_RET_OK_SCHEDULE) + status = BRCMF_FWS_RET_OK_SCHEDULE; signal_data += len + 2; data_len -= len + 2; } @@ -1434,6 +1485,9 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len, if (data_len != 0) fws->stats.tlv_parse_failed++; + if (status == BRCMF_FWS_RET_OK_SCHEDULE) + brcmf_fws_schedule_deq(fws); + /* signalling processing result does * not affect the actual ethernet packet. */ @@ -1553,7 +1607,7 @@ static int brcmf_fws_precommit_skb(struct brcmf_fws_info *fws, int fifo, return rc; } -static int +static void brcmf_fws_rollback_toq(struct brcmf_fws_info *fws, struct sk_buff *skb) { /* @@ -1595,7 +1649,6 @@ brcmf_fws_rollback_toq(struct brcmf_fws_info *fws, struct sk_buff *skb) /* free the hanger slot */ brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &pktout, true); - brcmf_txfinalize(fws->drvr, skb, false); rc = -EINVAL; goto fail; } @@ -1629,11 +1682,31 @@ brcmf_fws_rollback_toq(struct brcmf_fws_info *fws, struct sk_buff *skb) fail: - if (rc) + if (rc) { + brcmf_txfinalize(fws->drvr, skb, false); fws->stats.rollback_failed++; - else + } else fws->stats.rollback_success++; - return rc; +} + +static int brcmf_fws_borrow_credit(struct brcmf_fws_info *fws) +{ + int lender_ac; + + if (time_after(fws->borrow_defer_timestamp, jiffies)) + return -ENAVAIL; + + for (lender_ac = 0; lender_ac <= BRCMF_FWS_FIFO_AC_VO; lender_ac++) { + if (fws->fifo_credit[lender_ac]) { + fws->credits_borrowed[lender_ac]++; + fws->fifo_credit[lender_ac]--; + if (fws->fifo_credit[lender_ac] == 0) + fws->fifo_credit_map &= ~(1 << lender_ac); + brcmf_dbg(TRACE, "borrow credit from: %d\n", lender_ac); + return 0; + } + } + return -ENAVAIL; } static int brcmf_fws_consume_credit(struct brcmf_fws_info *fws, int fifo, @@ -1669,8 +1742,17 @@ static int brcmf_fws_consume_credit(struct brcmf_fws_info *fws, int fifo, return 0; } + if (fifo != BRCMF_FWS_FIFO_AC_BE) + fws->borrow_defer_timestamp = jiffies + + BRCMF_FWS_BORROW_DEFER_PERIOD; + if (!(*credit)) { - brcmf_dbg(TRACE, "exit: credits depleted\n"); + /* Try to borrow a credit from other queue */ + if (fifo == BRCMF_FWS_FIFO_AC_BE && + brcmf_fws_borrow_credit(fws) == 0) + return 0; + + brcmf_dbg(TRACE, "exit: ac=%d, credits depleted\n", fifo); return -ENAVAIL; } (*credit)--; @@ -1712,17 +1794,17 @@ static int brcmf_fws_commit_skb(struct brcmf_fws_info *fws, int fifo, return rc; rollback: - rc = brcmf_fws_rollback_toq(fws, skb); + brcmf_fws_rollback_toq(fws, skb); return rc; } int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) { struct brcmf_pub *drvr = ifp->drvr; + struct brcmf_fws_info *fws = drvr->fws; struct brcmf_skbuff_cb *skcb = brcmf_skbcb(skb); struct ethhdr *eh = (struct ethhdr *)(skb->data); ulong flags; - u8 ifidx = ifp->ifidx; int fifo = BRCMF_FWS_FIFO_BCMC; bool multicast = is_multicast_ether_addr(eh->h_dest); @@ -1734,9 +1816,9 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) if (ntohs(eh->h_proto) == ETH_P_PAE) atomic_inc(&ifp->pend_8021x_cnt); - if (!brcmf_fws_fc_active(drvr->fws)) { + if (!brcmf_fws_fc_active(fws)) { /* If the protocol uses a data header, apply it */ - brcmf_proto_hdrpush(drvr, ifidx, 0, skb); + brcmf_proto_hdrpush(drvr, ifp->ifidx, 0, skb); /* Use bus module to send data frame */ return brcmf_bus_txdata(drvr->bus_if, skb); @@ -1744,9 +1826,9 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) /* set control buffer information */ skcb->if_flags = 0; - skcb->mac = brcmf_fws_find_mac_desc(drvr->fws, ifidx, eh->h_dest); + skcb->mac = brcmf_fws_find_mac_desc(fws, ifp, eh->h_dest); skcb->state = BRCMF_FWS_SKBSTATE_NEW; - brcmf_skb_if_flags_set_field(skb, INDEX, ifidx); + brcmf_skb_if_flags_set_field(skb, INDEX, ifp->ifidx); if (!multicast) fifo = brcmf_fws_prio2fifo[skb->priority]; brcmf_skb_if_flags_set_field(skb, FIFO, fifo); @@ -1755,14 +1837,18 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) multicast, fifo); brcmf_fws_lock(drvr, flags); - if (!brcmf_fws_mac_desc_ready(skcb->mac, fifo) || + if (skcb->mac->suppressed || + brcmf_fws_mac_desc_closed(fws, skcb->mac, fifo) || + brcmu_pktq_mlen(&skcb->mac->psq, 3 << (fifo * 2)) || (!multicast && - brcmf_fws_consume_credit(drvr->fws, fifo, skb) < 0)) { + brcmf_fws_consume_credit(fws, fifo, skb) < 0)) { /* enqueue the packet in delayQ */ drvr->fws->fifo_delay_map |= 1 << fifo; - brcmf_fws_enq(drvr->fws, BRCMF_FWS_SKBSTATE_DELAYED, fifo, skb); + brcmf_fws_enq(fws, BRCMF_FWS_SKBSTATE_DELAYED, fifo, skb); } else { - brcmf_fws_commit_skb(drvr->fws, fifo, skb); + if (brcmf_fws_commit_skb(fws, fifo, skb)) + if (!multicast) + brcmf_skb_pick_up_credit(fws, fifo, skb); } brcmf_fws_unlock(drvr, flags); return 0; @@ -1799,14 +1885,17 @@ void brcmf_fws_add_interface(struct brcmf_if *ifp) void brcmf_fws_del_interface(struct brcmf_if *ifp) { struct brcmf_fws_mac_descriptor *entry = ifp->fws_desc; + ulong flags; brcmf_dbg(TRACE, "enter: idx=%d\n", ifp->bssidx); if (!entry) return; + brcmf_fws_lock(ifp->drvr, flags); ifp->fws_desc = NULL; brcmf_fws_clear_mac_descriptor(entry); brcmf_fws_cleanup(ifp->drvr->fws, ifp->ifidx); + brcmf_fws_unlock(ifp->drvr, flags); } static void brcmf_fws_dequeue_worker(struct work_struct *worker) @@ -1826,14 +1915,29 @@ static void brcmf_fws_dequeue_worker(struct work_struct *worker) fws->fifo_credit[fifo]); for (credit = 0; credit < fws->fifo_credit[fifo]; /* nop */) { skb = brcmf_fws_deq(fws, fifo); - if (!skb) + if (!skb || brcmf_fws_commit_skb(fws, fifo, skb)) break; - if (!brcmf_fws_commit_skb(fws, fifo, skb) && - brcmf_skbcb(skb)->if_flags & + if (brcmf_skbcb(skb)->if_flags & BRCMF_SKB_IF_FLAGS_CREDITCHECK_MASK) credit++; } - fws->fifo_credit[fifo] -= credit; + if ((fifo == BRCMF_FWS_FIFO_AC_BE) && + (credit == fws->fifo_credit[fifo])) { + fws->fifo_credit[fifo] -= credit; + while (brcmf_fws_borrow_credit(fws) == 0) { + skb = brcmf_fws_deq(fws, fifo); + if (!skb) { + brcmf_fws_return_credits(fws, fifo, 1); + break; + } + if (brcmf_fws_commit_skb(fws, fifo, skb)) { + brcmf_fws_return_credits(fws, fifo, 1); + break; + } + } + } else { + fws->fifo_credit[fifo] -= credit; + } } brcmf_fws_unlock(fws->drvr, flags); } @@ -1872,16 +1976,20 @@ int brcmf_fws_init(struct brcmf_pub *drvr) BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS | BRCMF_FWS_FLAGS_HOST_PROPTXSTATUS_ACTIVE; - rc = brcmf_fil_iovar_int_set(drvr->iflist[0], "tlv", tlv); + rc = brcmf_fweh_register(drvr, BRCMF_E_FIFO_CREDIT_MAP, + brcmf_fws_notify_credit_map); if (rc < 0) { - brcmf_err("failed to set bdcv2 tlv signaling\n"); + brcmf_err("register credit map handler failed\n"); goto fail; } - if (brcmf_fweh_register(drvr, BRCMF_E_FIFO_CREDIT_MAP, - brcmf_fws_notify_credit_map)) { - brcmf_err("register credit map handler failed\n"); - goto fail; + /* setting the iovar may fail if feature is unsupported + * so leave the rc as is so driver initialization can + * continue. + */ + if (brcmf_fil_iovar_int_set(drvr->iflist[0], "tlv", tlv)) { + brcmf_err("failed to set bdcv2 tlv signaling\n"); + goto fail_event; } brcmf_fws_hanger_init(&drvr->fws->hanger); @@ -1897,9 +2005,9 @@ int brcmf_fws_init(struct brcmf_pub *drvr) drvr->fw_signals ? "enabled" : "disabled", tlv); return 0; +fail_event: + brcmf_fweh_unregister(drvr, BRCMF_E_FIFO_CREDIT_MAP); fail: - /* disable flow control entirely */ - drvr->fw_signals = false; brcmf_fws_deinit(drvr); return rc; } @@ -1912,6 +2020,14 @@ void brcmf_fws_deinit(struct brcmf_pub *drvr) if (!fws) return; + /* disable firmware signalling entirely + * to avoid using the workqueue. + */ + drvr->fw_signals = false; + + if (drvr->fws->fws_wq) + destroy_workqueue(drvr->fws->fws_wq); + /* cleanup */ brcmf_fws_lock(drvr, flags); brcmf_fws_cleanup(fws, -1); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c index 94ff045df2b3..2b90da0d85f3 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c @@ -424,29 +424,6 @@ static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) /** - * brcmf_p2p_chnr_to_chspec() - convert channel number to chanspec. - * - * @channel: channel number - */ -static u16 brcmf_p2p_chnr_to_chspec(u16 channel) -{ - u16 chanspec; - - chanspec = channel & WL_CHANSPEC_CHAN_MASK; - - if (channel <= CH_MAX_2G_CHANNEL) - chanspec |= WL_CHANSPEC_BAND_2G; - else - chanspec |= WL_CHANSPEC_BAND_5G; - - chanspec |= WL_CHANSPEC_BW_20; - chanspec |= WL_CHANSPEC_CTL_SB_NONE; - - return chanspec; -} - - -/** * brcmf_p2p_set_firmware() - prepare firmware for peer-to-peer operation. * * @ifp: ifp to use for iovars (primary). @@ -837,7 +814,8 @@ static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg, IEEE80211_CHAN_PASSIVE_SCAN)) continue; - chanspecs[i] = channel_to_chanspec(chan); + chanspecs[i] = channel_to_chanspec(&p2p->cfg->d11inf, + chan); brcmf_dbg(INFO, "%d: chan=%d, channel spec=%x\n", num_nodfs, chan->hw_value, chanspecs[i]); num_nodfs++; @@ -945,8 +923,8 @@ static s32 brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration) { struct brcmf_cfg80211_vif *vif; + struct brcmu_chan ch; s32 err = 0; - u16 chanspec; vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; if (!vif) { @@ -961,9 +939,11 @@ brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration) goto exit; } - chanspec = brcmf_p2p_chnr_to_chspec(channel); + ch.chnum = channel; + ch.bw = BRCMU_CHAN_BW_20; + p2p->cfg->d11inf.encchspec(&ch); err = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_LISTEN, - chanspec, (u16)duration); + ch.chspec, (u16)duration); if (!err) { set_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status); p2p->remain_on_channel_cookie++; @@ -1075,6 +1055,7 @@ static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel) u32 channel_cnt; u16 *default_chan_list; u32 i; + struct brcmu_chan ch; brcmf_dbg(TRACE, "Enter\n"); @@ -1089,15 +1070,23 @@ static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel) err = -ENOMEM; goto exit; } + ch.bw = BRCMU_CHAN_BW_20; if (channel) { + ch.chnum = channel; + p2p->cfg->d11inf.encchspec(&ch); /* insert same channel to the chan_list */ for (i = 0; i < channel_cnt; i++) - default_chan_list[i] = - brcmf_p2p_chnr_to_chspec(channel); + default_chan_list[i] = ch.chspec; } else { - default_chan_list[0] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_1); - default_chan_list[1] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_2); - default_chan_list[2] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_3); + ch.chnum = SOCIAL_CHAN_1; + p2p->cfg->d11inf.encchspec(&ch); + default_chan_list[0] = ch.chspec; + ch.chnum = SOCIAL_CHAN_2; + p2p->cfg->d11inf.encchspec(&ch); + default_chan_list[1] = ch.chspec; + ch.chnum = SOCIAL_CHAN_3; + p2p->cfg->d11inf.encchspec(&ch); + default_chan_list[2] = ch.chspec; } err = brcmf_p2p_escan(p2p, channel_cnt, default_chan_list, WL_P2P_DISC_ST_SEARCH, WL_ESCAN_ACTION_START, @@ -1227,6 +1216,7 @@ bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, { struct brcmf_p2p_info *p2p = &cfg->p2p; struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct brcmu_chan ch; u8 *ie; s32 err; u8 p2p_dev_addr[ETH_ALEN]; @@ -1252,8 +1242,12 @@ bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, p2p_dev_addr, sizeof(p2p_dev_addr)); if ((err >= 0) && (!memcmp(p2p_dev_addr, afx_hdl->tx_dst_addr, ETH_ALEN))) { - afx_hdl->peer_chan = bi->ctl_ch ? bi->ctl_ch : - CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + if (!bi->ctl_ch) { + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); + bi->ctl_ch = ch.chnum; + } + afx_hdl->peer_chan = bi->ctl_ch; brcmf_dbg(TRACE, "ACTION FRAME SCAN : Peer %pM found, channel : %d\n", afx_hdl->tx_dst_addr, afx_hdl->peer_chan); complete(&afx_hdl->act_frm_scan); @@ -1360,12 +1354,14 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, u8 *frame = (u8 *)(rxframe + 1); struct brcmf_p2p_pub_act_frame *act_frm; struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; - u16 chanspec = be16_to_cpu(rxframe->chanspec); + struct brcmu_chan ch; struct ieee80211_mgmt *mgmt_frame; s32 freq; u16 mgmt_type; u8 action; + ch.chspec = be16_to_cpu(rxframe->chanspec); + cfg->d11inf.decchspec(&ch); /* Check if wpa_supplicant has registered for this frame */ brcmf_dbg(INFO, "ifp->vif->mgmt_rx_reg %04x\n", ifp->vif->mgmt_rx_reg); mgmt_type = (IEEE80211_STYPE_ACTION & IEEE80211_FCTL_STYPE) >> 4; @@ -1384,7 +1380,7 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, &p2p->status) && (memcmp(afx_hdl->tx_dst_addr, e->addr, ETH_ALEN) == 0)) { - afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec); + afx_hdl->peer_chan = ch.chnum; brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n", afx_hdl->peer_chan); complete(&afx_hdl->act_frm_scan); @@ -1427,8 +1423,8 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, memcpy(&mgmt_frame->u, frame, mgmt_frame_len); mgmt_frame_len += offsetof(struct ieee80211_mgmt, u); - freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec), - CHSPEC_IS2G(chanspec) ? + freq = ieee80211_channel_to_frequency(ch.chnum, + ch.band == BRCMU_CHAN_BAND_2G ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ); @@ -1854,6 +1850,7 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, struct brcmf_cfg80211_vif *vif = ifp->vif; struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; u16 chanspec = be16_to_cpu(rxframe->chanspec); + struct brcmu_chan ch; u8 *mgmt_frame; u32 mgmt_frame_len; s32 freq; @@ -1862,9 +1859,12 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, brcmf_dbg(INFO, "Enter: event %d reason %d\n", e->event_code, e->reason); + ch.chspec = be16_to_cpu(rxframe->chanspec); + cfg->d11inf.decchspec(&ch); + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) && (memcmp(afx_hdl->tx_dst_addr, e->addr, ETH_ALEN) == 0)) { - afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec); + afx_hdl->peer_chan = ch.chnum; brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n", afx_hdl->peer_chan); complete(&afx_hdl->act_frm_scan); @@ -1889,8 +1889,8 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, mgmt_frame = (u8 *)(rxframe + 1); mgmt_frame_len = e->datalen - sizeof(*rxframe); - freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec), - CHSPEC_IS2G(chanspec) ? + freq = ieee80211_channel_to_frequency(ch.chnum, + ch.band == BRCMU_CHAN_BAND_2G ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ); @@ -2014,21 +2014,19 @@ static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p, { struct brcmf_if *ifp; struct brcmf_fil_chan_info_le ci; + struct brcmu_chan ch; s32 err; ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - *chanspec = 11 & WL_CHANSPEC_CHAN_MASK; + ch.chnum = 11; err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_CHANNEL, &ci, sizeof(ci)); - if (!err) { - *chanspec = le32_to_cpu(ci.hw_channel) & WL_CHANSPEC_CHAN_MASK; - if (*chanspec < CH_MAX_2G_CHANNEL) - *chanspec |= WL_CHANSPEC_BAND_2G; - else - *chanspec |= WL_CHANSPEC_BAND_5G; - } - *chanspec |= WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE; + if (!err) + ch.chnum = le32_to_cpu(ci.hw_channel); + ch.bw = BRCMU_CHAN_BW_20; + p2p->cfg->d11inf.encchspec(&ch); + *chanspec = ch.chspec; } /** diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c index 14be2d5530ce..ca72177388b9 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c @@ -40,6 +40,15 @@ #define BCM4329_CORE_ARM_BASE 0x18002000 #define BCM4329_RAMSIZE 0x48000 +/* bcm43143 */ +/* SDIO device core */ +#define BCM43143_CORE_BUS_BASE 0x18002000 +/* internal memory core */ +#define BCM43143_CORE_SOCRAM_BASE 0x18004000 +/* ARM Cortex M3 core, ID 0x82a */ +#define BCM43143_CORE_ARM_BASE 0x18003000 +#define BCM43143_RAMSIZE 0x70000 + #define SBCOREREV(sbidh) \ ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ ((sbidh) & SSB_IDHIGH_RCLO)) @@ -52,6 +61,9 @@ #define CIB_REV_MASK 0xff000000 #define CIB_REV_SHIFT 24 +/* ARM CR4 core specific control flag bits */ +#define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020 + #define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu)) /* SDIO Pad drive strength to select value mappings */ struct sdiod_drive_str { @@ -70,6 +82,14 @@ static const struct sdiod_drive_str sdiod_drvstr_tab1_1v8[] = { {0, 0x1} }; +/* SDIO Drive Strength to sel value table for 43143 PMU Rev 17 (3.3V) */ +static const struct sdiod_drive_str sdiod_drvstr_tab2_3v3[] = { + {16, 0x7}, + {12, 0x5}, + {8, 0x3}, + {4, 0x1} +}; + u8 brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid) { @@ -149,7 +169,7 @@ brcmf_sdio_ai_iscoreup(struct brcmf_sdio_dev *sdiodev, static void brcmf_sdio_sb_coredisable(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) + struct chip_info *ci, u16 coreid, u32 core_bits) { u32 regdata, base; u8 idx; @@ -235,7 +255,7 @@ brcmf_sdio_sb_coredisable(struct brcmf_sdio_dev *sdiodev, static void brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) + struct chip_info *ci, u16 coreid, u32 core_bits) { u8 idx; u32 regdata; @@ -249,19 +269,36 @@ brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, if ((regdata & BCMA_RESET_CTL_RESET) != 0) return; - brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, 0, NULL); - regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, + /* ensure no pending backplane operation + * 300uc should be sufficient for backplane ops to be finish + * extra 10ms is taken into account for firmware load stage + * after 10300us carry on disabling the core anyway + */ + SPINWAIT(brcmf_sdio_regrl(sdiodev, + ci->c_inf[idx].wrapbase+BCMA_RESET_ST, + NULL), 10300); + regdata = brcmf_sdio_regrl(sdiodev, + ci->c_inf[idx].wrapbase+BCMA_RESET_ST, NULL); - udelay(10); + if (regdata) + brcmf_err("disabling core 0x%x with reset status %x\n", + coreid, regdata); brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, BCMA_RESET_CTL_RESET, NULL); udelay(1); + + brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, + core_bits, NULL); + regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, + NULL); + usleep_range(10, 20); + } static void brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) + struct chip_info *ci, u16 coreid, u32 core_bits) { u32 regdata; u8 idx; @@ -272,7 +309,7 @@ brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev, * Must do the disable sequence first to work for * arbitrary current core state. */ - brcmf_sdio_sb_coredisable(sdiodev, ci, coreid); + brcmf_sdio_sb_coredisable(sdiodev, ci, coreid, 0); /* * Now do the initialization sequence. @@ -325,7 +362,7 @@ brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev, static void brcmf_sdio_ai_resetcore(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid) + struct chip_info *ci, u16 coreid, u32 core_bits) { u8 idx; u32 regdata; @@ -333,31 +370,69 @@ brcmf_sdio_ai_resetcore(struct brcmf_sdio_dev *sdiodev, idx = brcmf_sdio_chip_getinfidx(ci, coreid); /* must disable first to work for arbitrary current core state */ - brcmf_sdio_ai_coredisable(sdiodev, ci, coreid); + brcmf_sdio_ai_coredisable(sdiodev, ci, coreid, core_bits); /* now do initialization sequence */ brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); + core_bits | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, NULL); brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, 0, NULL); + regdata = brcmf_sdio_regrl(sdiodev, + ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, + NULL); udelay(1); brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - BCMA_IOCTL_CLK, NULL); + core_bits | BCMA_IOCTL_CLK, NULL); regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, NULL); udelay(1); } +#ifdef DEBUG +/* safety check for chipinfo */ +static int brcmf_sdio_chip_cichk(struct chip_info *ci) +{ + u8 core_idx; + + /* check RAM core presence for ARM CM3 core */ + core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CM3); + if (BRCMF_MAX_CORENUM != core_idx) { + core_idx = brcmf_sdio_chip_getinfidx(ci, + BCMA_CORE_INTERNAL_MEM); + if (BRCMF_MAX_CORENUM == core_idx) { + brcmf_err("RAM core not provided with ARM CM3 core\n"); + return -ENODEV; + } + } + + /* check RAM base for ARM CR4 core */ + core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CR4); + if (BRCMF_MAX_CORENUM != core_idx) { + if (ci->rambase == 0) { + brcmf_err("RAM base not provided with ARM CR4 core\n"); + return -ENOMEM; + } + } + + return 0; +} +#else /* DEBUG */ +static inline int brcmf_sdio_chip_cichk(struct chip_info *ci) +{ + return 0; +} +#endif + static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, u32 regs) { u32 regdata; + int ret; - /* - * Get CC core rev + /* Get CC core rev * Chipid is assume to be at offset 0 from regs arg * For different chiptypes or old sdio hosts w/o chipcommon, * other ways of recognition should be added here. @@ -375,6 +450,23 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, /* Address of cores for new chips should be added here */ switch (ci->chip) { + case BCM43143_CHIP_ID: + ci->c_inf[0].wrapbase = ci->c_inf[0].base + 0x00100000; + ci->c_inf[0].cib = 0x2b000000; + ci->c_inf[1].id = BCMA_CORE_SDIO_DEV; + ci->c_inf[1].base = BCM43143_CORE_BUS_BASE; + ci->c_inf[1].wrapbase = ci->c_inf[1].base + 0x00100000; + ci->c_inf[1].cib = 0x18000000; + ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM; + ci->c_inf[2].base = BCM43143_CORE_SOCRAM_BASE; + ci->c_inf[2].wrapbase = ci->c_inf[2].base + 0x00100000; + ci->c_inf[2].cib = 0x14000000; + ci->c_inf[3].id = BCMA_CORE_ARM_CM3; + ci->c_inf[3].base = BCM43143_CORE_ARM_BASE; + ci->c_inf[3].wrapbase = ci->c_inf[3].base + 0x00100000; + ci->c_inf[3].cib = 0x07000000; + ci->ramsize = BCM43143_RAMSIZE; + break; case BCM43241_CHIP_ID: ci->c_inf[0].wrapbase = 0x18100000; ci->c_inf[0].cib = 0x2a084411; @@ -435,11 +527,29 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[3].cib = 0x07004211; ci->ramsize = 0x80000; break; + case BCM4335_CHIP_ID: + ci->c_inf[0].wrapbase = 0x18100000; + ci->c_inf[0].cib = 0x2b084411; + ci->c_inf[1].id = BCMA_CORE_SDIO_DEV; + ci->c_inf[1].base = 0x18005000; + ci->c_inf[1].wrapbase = 0x18105000; + ci->c_inf[1].cib = 0x0f004211; + ci->c_inf[2].id = BCMA_CORE_ARM_CR4; + ci->c_inf[2].base = 0x18002000; + ci->c_inf[2].wrapbase = 0x18102000; + ci->c_inf[2].cib = 0x01084411; + ci->ramsize = 0xc0000; + ci->rambase = 0x180000; + break; default: brcmf_err("chipid 0x%x is not supported\n", ci->chip); return -ENODEV; } + ret = brcmf_sdio_chip_cichk(ci); + if (ret) + return ret; + switch (ci->socitype) { case SOCI_SB: ci->iscoreup = brcmf_sdio_sb_iscoreup; @@ -539,7 +649,7 @@ brcmf_sdio_chip_buscoresetup(struct brcmf_sdio_dev *sdiodev, * Make sure any on-chip ARM is off (in case strapping is wrong), * or downloaded code was already running. */ - ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3); + ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0); } int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev, @@ -600,21 +710,37 @@ void brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, u32 drivestrength) { - struct sdiod_drive_str *str_tab = NULL; - u32 str_mask = 0; - u32 str_shift = 0; + const struct sdiod_drive_str *str_tab = NULL; + u32 str_mask; + u32 str_shift; char chn[8]; u32 base = ci->c_inf[0].base; + u32 i; + u32 drivestrength_sel = 0; + u32 cc_data_temp; + u32 addr; if (!(ci->c_inf[0].caps & CC_CAP_PMU)) return; switch (SDIOD_DRVSTR_KEY(ci->chip, ci->pmurev)) { case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12): - str_tab = (struct sdiod_drive_str *)&sdiod_drvstr_tab1_1v8; + str_tab = sdiod_drvstr_tab1_1v8; str_mask = 0x00003800; str_shift = 11; break; + case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17): + /* note: 43143 does not support tristate */ + i = ARRAY_SIZE(sdiod_drvstr_tab2_3v3) - 1; + if (drivestrength >= sdiod_drvstr_tab2_3v3[i].strength) { + str_tab = sdiod_drvstr_tab2_3v3; + str_mask = 0x00000007; + str_shift = 0; + } else + brcmf_err("Invalid SDIO Drive strength for chip %s, strength=%d\n", + brcmf_sdio_chip_name(ci->chip, chn, 8), + drivestrength); + break; default: brcmf_err("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n", brcmf_sdio_chip_name(ci->chip, chn, 8), @@ -623,30 +749,207 @@ brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, } if (str_tab != NULL) { - u32 drivestrength_sel = 0; - u32 cc_data_temp; - int i; - for (i = 0; str_tab[i].strength != 0; i++) { if (drivestrength >= str_tab[i].strength) { drivestrength_sel = str_tab[i].sel; break; } } - - brcmf_sdio_regwl(sdiodev, CORE_CC_REG(base, chipcontrol_addr), - 1, NULL); - cc_data_temp = - brcmf_sdio_regrl(sdiodev, - CORE_CC_REG(base, chipcontrol_addr), - NULL); + addr = CORE_CC_REG(base, chipcontrol_addr); + brcmf_sdio_regwl(sdiodev, addr, 1, NULL); + cc_data_temp = brcmf_sdio_regrl(sdiodev, addr, NULL); cc_data_temp &= ~str_mask; drivestrength_sel <<= str_shift; cc_data_temp |= drivestrength_sel; - brcmf_sdio_regwl(sdiodev, CORE_CC_REG(base, chipcontrol_addr), - cc_data_temp, NULL); + brcmf_sdio_regwl(sdiodev, addr, cc_data_temp, NULL); - brcmf_dbg(INFO, "SDIO: %dmA drive strength selected, set to 0x%08x\n", - drivestrength, cc_data_temp); + brcmf_dbg(INFO, "SDIO: %d mA (req=%d mA) drive strength selected, set to 0x%08x\n", + str_tab[i].strength, drivestrength, cc_data_temp); } } + +#ifdef DEBUG +static bool +brcmf_sdio_chip_verifynvram(struct brcmf_sdio_dev *sdiodev, u32 nvram_addr, + char *nvram_dat, uint nvram_sz) +{ + char *nvram_ularray; + int err; + bool ret = true; + + /* read back and verify */ + brcmf_dbg(INFO, "Compare NVRAM dl & ul; size=%d\n", nvram_sz); + nvram_ularray = kmalloc(nvram_sz, GFP_KERNEL); + /* do not proceed while no memory but */ + if (!nvram_ularray) + return true; + + /* Upload image to verify downloaded contents. */ + memset(nvram_ularray, 0xaa, nvram_sz); + + /* Read the vars list to temp buffer for comparison */ + err = brcmf_sdio_ramrw(sdiodev, false, nvram_addr, nvram_ularray, + nvram_sz); + if (err) { + brcmf_err("error %d on reading %d nvram bytes at 0x%08x\n", + err, nvram_sz, nvram_addr); + } else if (memcmp(nvram_dat, nvram_ularray, nvram_sz)) { + brcmf_err("Downloaded NVRAM image is corrupted\n"); + ret = false; + } + kfree(nvram_ularray); + + return ret; +} +#else /* DEBUG */ +static inline bool +brcmf_sdio_chip_verifynvram(struct brcmf_sdio_dev *sdiodev, u32 nvram_addr, + char *nvram_dat, uint nvram_sz) +{ + return true; +} +#endif /* DEBUG */ + +static bool brcmf_sdio_chip_writenvram(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci, + char *nvram_dat, uint nvram_sz) +{ + int err; + u32 nvram_addr; + u32 token; + __le32 token_le; + + nvram_addr = (ci->ramsize - 4) - nvram_sz + ci->rambase; + + /* Write the vars list */ + err = brcmf_sdio_ramrw(sdiodev, true, nvram_addr, nvram_dat, nvram_sz); + if (err) { + brcmf_err("error %d on writing %d nvram bytes at 0x%08x\n", + err, nvram_sz, nvram_addr); + return false; + } + + if (!brcmf_sdio_chip_verifynvram(sdiodev, nvram_addr, + nvram_dat, nvram_sz)) + return false; + + /* generate token: + * nvram size, converted to words, in lower 16-bits, checksum + * in upper 16-bits. + */ + token = nvram_sz / 4; + token = (~token << 16) | (token & 0x0000FFFF); + token_le = cpu_to_le32(token); + + brcmf_dbg(INFO, "RAM size: %d\n", ci->ramsize); + brcmf_dbg(INFO, "nvram is placed at %d, size %d, token=0x%08x\n", + nvram_addr, nvram_sz, token); + + /* Write the length token to the last word */ + if (brcmf_sdio_ramrw(sdiodev, true, (ci->ramsize - 4 + ci->rambase), + (u8 *)&token_le, 4)) + return false; + + return true; +} + +static void +brcmf_sdio_chip_cm3_enterdl(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci) +{ + u32 zeros = 0; + + ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0); + ci->resetcore(sdiodev, ci, BCMA_CORE_INTERNAL_MEM, 0); + + /* clear length token */ + brcmf_sdio_ramrw(sdiodev, true, ci->ramsize - 4, (u8 *)&zeros, 4); +} + +static bool +brcmf_sdio_chip_cm3_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, + char *nvram_dat, uint nvram_sz) +{ + u8 core_idx; + u32 reg_addr; + + if (!ci->iscoreup(sdiodev, ci, BCMA_CORE_INTERNAL_MEM)) { + brcmf_err("SOCRAM core is down after reset?\n"); + return false; + } + + if (!brcmf_sdio_chip_writenvram(sdiodev, ci, nvram_dat, nvram_sz)) + return false; + + /* clear all interrupts */ + core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_SDIO_DEV); + reg_addr = ci->c_inf[core_idx].base; + reg_addr += offsetof(struct sdpcmd_regs, intstatus); + brcmf_sdio_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL); + + ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CM3, 0); + + return true; +} + +static inline void +brcmf_sdio_chip_cr4_enterdl(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci) +{ + ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, + ARMCR4_BCMA_IOCTL_CPUHALT); +} + +static bool +brcmf_sdio_chip_cr4_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, + char *nvram_dat, uint nvram_sz) +{ + u8 core_idx; + u32 reg_addr; + + if (!brcmf_sdio_chip_writenvram(sdiodev, ci, nvram_dat, nvram_sz)) + return false; + + /* clear all interrupts */ + core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_SDIO_DEV); + reg_addr = ci->c_inf[core_idx].base; + reg_addr += offsetof(struct sdpcmd_regs, intstatus); + brcmf_sdio_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL); + + /* Write reset vector to address 0 */ + brcmf_sdio_ramrw(sdiodev, true, 0, (void *)&ci->rst_vec, + sizeof(ci->rst_vec)); + + /* restore ARM */ + ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, 0); + + return true; +} + +void brcmf_sdio_chip_enter_download(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci) +{ + u8 arm_core_idx; + + arm_core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CM3); + if (BRCMF_MAX_CORENUM != arm_core_idx) { + brcmf_sdio_chip_cm3_enterdl(sdiodev, ci); + return; + } + + brcmf_sdio_chip_cr4_enterdl(sdiodev, ci); +} + +bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci, char *nvram_dat, + uint nvram_sz) +{ + u8 arm_core_idx; + + arm_core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CM3); + if (BRCMF_MAX_CORENUM != arm_core_idx) + return brcmf_sdio_chip_cm3_exitdl(sdiodev, ci, nvram_dat, + nvram_sz); + + return brcmf_sdio_chip_cr4_exitdl(sdiodev, ci, nvram_dat, nvram_sz); +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h index ce974d76bd92..83c041f1bf4a 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h @@ -73,15 +73,17 @@ struct chip_info { u32 pmurev; u32 pmucaps; u32 ramsize; + u32 rambase; + u32 rst_vec; /* reset vertor for ARM CR4 core */ bool (*iscoreup)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, u16 coreid); u32 (*corerev)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, u16 coreid); void (*coredisable)(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid); + struct chip_info *ci, u16 coreid, u32 core_bits); void (*resetcore)(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid); + struct chip_info *ci, u16 coreid, u32 core_bits); }; struct sbconfig { @@ -124,6 +126,95 @@ struct sbconfig { u32 sbidhigh; /* identification */ }; +/* sdio core registers */ +struct sdpcmd_regs { + u32 corecontrol; /* 0x00, rev8 */ + u32 corestatus; /* rev8 */ + u32 PAD[1]; + u32 biststatus; /* rev8 */ + + /* PCMCIA access */ + u16 pcmciamesportaladdr; /* 0x010, rev8 */ + u16 PAD[1]; + u16 pcmciamesportalmask; /* rev8 */ + u16 PAD[1]; + u16 pcmciawrframebc; /* rev8 */ + u16 PAD[1]; + u16 pcmciaunderflowtimer; /* rev8 */ + u16 PAD[1]; + + /* interrupt */ + u32 intstatus; /* 0x020, rev8 */ + u32 hostintmask; /* rev8 */ + u32 intmask; /* rev8 */ + u32 sbintstatus; /* rev8 */ + u32 sbintmask; /* rev8 */ + u32 funcintmask; /* rev4 */ + u32 PAD[2]; + u32 tosbmailbox; /* 0x040, rev8 */ + u32 tohostmailbox; /* rev8 */ + u32 tosbmailboxdata; /* rev8 */ + u32 tohostmailboxdata; /* rev8 */ + + /* synchronized access to registers in SDIO clock domain */ + u32 sdioaccess; /* 0x050, rev8 */ + u32 PAD[3]; + + /* PCMCIA frame control */ + u8 pcmciaframectrl; /* 0x060, rev8 */ + u8 PAD[3]; + u8 pcmciawatermark; /* rev8 */ + u8 PAD[155]; + + /* interrupt batching control */ + u32 intrcvlazy; /* 0x100, rev8 */ + u32 PAD[3]; + + /* counters */ + u32 cmd52rd; /* 0x110, rev8 */ + u32 cmd52wr; /* rev8 */ + u32 cmd53rd; /* rev8 */ + u32 cmd53wr; /* rev8 */ + u32 abort; /* rev8 */ + u32 datacrcerror; /* rev8 */ + u32 rdoutofsync; /* rev8 */ + u32 wroutofsync; /* rev8 */ + u32 writebusy; /* rev8 */ + u32 readwait; /* rev8 */ + u32 readterm; /* rev8 */ + u32 writeterm; /* rev8 */ + u32 PAD[40]; + u32 clockctlstatus; /* rev8 */ + u32 PAD[7]; + + u32 PAD[128]; /* DMA engines */ + + /* SDIO/PCMCIA CIS region */ + char cis[512]; /* 0x400-0x5ff, rev6 */ + + /* PCMCIA function control registers */ + char pcmciafcr[256]; /* 0x600-6ff, rev6 */ + u16 PAD[55]; + + /* PCMCIA backplane access */ + u16 backplanecsr; /* 0x76E, rev6 */ + u16 backplaneaddr0; /* rev6 */ + u16 backplaneaddr1; /* rev6 */ + u16 backplaneaddr2; /* rev6 */ + u16 backplaneaddr3; /* rev6 */ + u16 backplanedata0; /* rev6 */ + u16 backplanedata1; /* rev6 */ + u16 backplanedata2; /* rev6 */ + u16 backplanedata3; /* rev6 */ + u16 PAD[31]; + + /* sprom "size" & "blank" info */ + u16 spromstatus; /* 0x7BE, rev2 */ + u32 PAD[464]; + + u16 PAD[0x80]; +}; + extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev, struct chip_info **ci_ptr, u32 regs); extern void brcmf_sdio_chip_detach(struct chip_info **ci_ptr); @@ -131,6 +222,10 @@ extern void brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, u32 drivestrength); extern u8 brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid); - +extern void brcmf_sdio_chip_enter_download(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci); +extern bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci, char *nvram_dat, + uint nvram_sz); #endif /* _BRCMFMAC_SDIO_CHIP_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h index 0d30afd8c672..7c1b6332747e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h @@ -48,7 +48,13 @@ #define SBSDIO_NUM_FUNCTION 3 /* function 0 vendor specific CCCR registers */ -#define SDIO_CCCR_BRCM_SEPINT 0xf2 +#define SDIO_CCCR_BRCM_CARDCAP 0xf0 +#define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT 0x02 +#define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT 0x04 +#define SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC 0x08 +#define SDIO_CCCR_BRCM_CARDCTRL 0xf1 +#define SDIO_CCCR_BRCM_CARDCTRL_WLANRESET 0x02 +#define SDIO_CCCR_BRCM_SEPINT 0xf2 #define SDIO_SEPINT_MASK 0x01 #define SDIO_SEPINT_OE 0x02 @@ -97,9 +103,23 @@ #define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B /* Read Frame Byte Count High */ #define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C +/* MesBusyCtl (rev 11) */ +#define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D +/* Sdio Core Rev 12 */ +#define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E +#define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1 +#define SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT 0 +#define SBSDIO_FUNC1_WCTRL_HTWAIT_MASK 0x2 +#define SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT 1 +#define SBSDIO_FUNC1_SLEEPCSR 0x1001F +#define SBSDIO_FUNC1_SLEEPCSR_KSO_MASK 0x1 +#define SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT 0 +#define SBSDIO_FUNC1_SLEEPCSR_KSO_EN 1 +#define SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK 0x2 +#define SBSDIO_FUNC1_SLEEPCSR_DEVON_SHIFT 1 #define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */ -#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001C /* f1 misc register end */ +#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001F /* f1 misc register end */ /* function 1 OCP space */ @@ -154,13 +174,11 @@ struct brcmf_sdio_dev { wait_queue_head_t request_buffer_wait; struct device *dev; struct brcmf_bus *bus_if; -#ifdef CONFIG_BRCMFMAC_SDIO_OOB - unsigned int irq; /* oob interrupt number */ - unsigned long irq_flags; /* board specific oob flags */ + struct brcmfmac_sdio_platform_data *pdata; + bool oob_irq_requested; bool irq_en; /* irq enable flags */ spinlock_t irq_en_lock; bool irq_wake; /* irq wake enable flags */ -#endif /* CONFIG_BRCMFMAC_SDIO_OOB */ }; /* Register/deregister interrupt handler. */ @@ -224,6 +242,8 @@ brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, */ extern int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, u32 addr, u8 *buf, uint nbytes); +extern int brcmf_sdio_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, + u32 address, u8 *data, uint size); /* Issue an abort to the specified function */ extern int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index e4f1f3c9575a..6d758f285352 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -29,6 +29,7 @@ #include "tracepoint.h" #include "fwil_types.h" #include "p2p.h" +#include "btcoex.h" #include "wl_cfg80211.h" #include "fwil.h" @@ -334,22 +335,16 @@ static u8 brcmf_mw_to_qdbm(u16 mw) return qdbm; } -u16 channel_to_chanspec(struct ieee80211_channel *ch) +u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, + struct ieee80211_channel *ch) { - u16 chanspec; - - chanspec = ieee80211_frequency_to_channel(ch->center_freq); - chanspec &= WL_CHANSPEC_CHAN_MASK; - - if (ch->band == IEEE80211_BAND_2GHZ) - chanspec |= WL_CHANSPEC_BAND_2G; - else - chanspec |= WL_CHANSPEC_BAND_5G; + struct brcmu_chan ch_inf; - chanspec |= WL_CHANSPEC_BW_20; - chanspec |= WL_CHANSPEC_CTL_SB_NONE; + ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); + ch_inf.bw = BRCMU_CHAN_BW_20; + d11inf->encchspec(&ch_inf); - return chanspec; + return ch_inf.chspec; } /* Traverse a string of 1-byte tag/1-byte length/variable-length value @@ -680,7 +675,8 @@ done: return err; } -static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, +static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, + struct brcmf_scan_params_le *params_le, struct cfg80211_scan_request *request) { u32 n_ssids; @@ -712,7 +708,8 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, n_channels); if (n_channels > 0) { for (i = 0; i < n_channels; i++) { - chanspec = channel_to_chanspec(request->channels[i]); + chanspec = channel_to_chanspec(&cfg->d11inf, + request->channels[i]); brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", request->channels[i]->hw_value, chanspec); params_le->channel_list[i] = cpu_to_le16(chanspec); @@ -784,7 +781,7 @@ brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, goto exit; } BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); - brcmf_escan_prep(¶ms->params_le, request); + brcmf_escan_prep(cfg, ¶ms->params_le, request); params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); params->action = cpu_to_le16(action); params->sync_id = cpu_to_le16(0x1234); @@ -860,6 +857,11 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif, cfg->scan_status); return -EAGAIN; } + if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { + brcmf_err("Scanning suppressed: status (%lu)\n", + cfg->scan_status); + return -EAGAIN; + } if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state); return -EAGAIN; @@ -1050,6 +1052,7 @@ static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) static void brcmf_link_down(struct brcmf_cfg80211_vif *vif) { + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); s32 err = 0; brcmf_dbg(TRACE, "Enter\n"); @@ -1063,6 +1066,8 @@ static void brcmf_link_down(struct brcmf_cfg80211_vif *vif) clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state); } clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); + clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); + brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); brcmf_dbg(TRACE, "Exit\n"); } @@ -1182,7 +1187,8 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, params->chandef.chan->center_freq); if (params->channel_fixed) { /* adding chanspec */ - chanspec = channel_to_chanspec(params->chandef.chan); + chanspec = channel_to_chanspec(&cfg->d11inf, + params->chandef.chan); join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); join_params.params_le.chanspec_num = cpu_to_le32(1); @@ -1572,7 +1578,7 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, if (chan) { cfg->channel = ieee80211_frequency_to_channel(chan->center_freq); - chanspec = channel_to_chanspec(chan); + chanspec = channel_to_chanspec(&cfg->d11inf, chan); brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", cfg->channel, chan->center_freq, chanspec); } else { @@ -2231,6 +2237,7 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, struct ieee80211_channel *notify_channel; struct cfg80211_bss *bss; struct ieee80211_supported_band *band; + struct brcmu_chan ch; s32 err = 0; u16 channel; u32 freq; @@ -2245,8 +2252,12 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, return 0; } - channel = bi->ctl_ch ? bi->ctl_ch : - CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + if (!bi->ctl_ch) { + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); + bi->ctl_ch = ch.chnum; + } + channel = bi->ctl_ch; if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; @@ -2321,9 +2332,9 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, struct brcmf_bss_info_le *bi = NULL; struct ieee80211_supported_band *band; struct cfg80211_bss *bss; + struct brcmu_chan ch; u8 *buf = NULL; s32 err = 0; - u16 channel; u32 freq; u16 notify_capability; u16 notify_interval; @@ -2350,15 +2361,15 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, bi = (struct brcmf_bss_info_le *)(buf + 4); - channel = bi->ctl_ch ? bi->ctl_ch : - CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); - if (channel <= CH_MAX_2G_CHANNEL) + if (ch.band == BRCMU_CHAN_BAND_2G) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; - freq = ieee80211_channel_to_frequency(channel, band->band); + freq = ieee80211_channel_to_frequency(ch.chnum, band->band); notify_channel = ieee80211_get_channel(wiphy, freq); notify_capability = le16_to_cpu(bi->capability); @@ -2367,7 +2378,7 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, notify_ielen = le32_to_cpu(bi->ie_length); notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; - brcmf_dbg(CONN, "channel: %d(%d)\n", channel, freq); + brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq); brcmf_dbg(CONN, "capability: %X\n", notify_capability); brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); brcmf_dbg(CONN, "signal: %d\n", notify_signal); @@ -2490,12 +2501,19 @@ static void brcmf_escan_timeout(unsigned long data) } static s32 -brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss, +brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bss, struct brcmf_bss_info_le *bss_info_le) { + struct brcmu_chan ch_bss, ch_bss_info_le; + + ch_bss.chspec = le16_to_cpu(bss->chanspec); + cfg->d11inf.decchspec(&ch_bss); + ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); + cfg->d11inf.decchspec(&ch_bss_info_le); + if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && - (CHSPEC_BAND(le16_to_cpu(bss_info_le->chanspec)) == - CHSPEC_BAND(le16_to_cpu(bss->chanspec))) && + ch_bss.band == ch_bss_info_le.band && bss_info_le->SSID_len == bss->SSID_len && !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) == @@ -2593,7 +2611,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, bss = bss ? (struct brcmf_bss_info_le *) ((unsigned char *)bss + le32_to_cpu(bss->length)) : list->bss_info_le; - if (brcmf_compare_update_same_bss(bss, bss_info_le)) + if (brcmf_compare_update_same_bss(cfg, bss, + bss_info_le)) goto exit; } memcpy(&(cfg->escan_info.escan_buf[list->buflen]), @@ -3007,6 +3026,11 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); return -EAGAIN; } + if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { + brcmf_err("Scanning suppressed: status (%lu)\n", + cfg->scan_status); + return -EAGAIN; + } if (!request->n_ssids || !request->n_match_sets) { brcmf_err("Invalid sched scan req!! n_ssids:%d\n", @@ -3993,6 +4017,39 @@ exit: return err; } +static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, + struct wireless_dev *wdev, + enum nl80211_crit_proto_id proto, + u16 duration) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_cfg80211_vif *vif; + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + + /* only DHCP support for now */ + if (proto != NL80211_CRIT_PROTO_DHCP) + return -EINVAL; + + /* suppress and abort scanning */ + set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); + brcmf_abort_scanning(cfg); + + return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); +} + +static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_cfg80211_vif *vif; + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + + brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); + clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); +} + static struct cfg80211_ops wl_cfg80211_ops = { .add_virtual_intf = brcmf_cfg80211_add_iface, .del_virtual_intf = brcmf_cfg80211_del_iface, @@ -4029,6 +4086,8 @@ static struct cfg80211_ops wl_cfg80211_ops = { .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, .start_p2p_device = brcmf_p2p_start_device, .stop_p2p_device = brcmf_p2p_stop_device, + .crit_proto_start = brcmf_cfg80211_crit_proto_start, + .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, #ifdef CONFIG_NL80211_TESTMODE .testmode_cmd = brcmf_cfg80211_testmode #endif @@ -4337,9 +4396,9 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, struct ieee80211_channel *notify_channel = NULL; struct ieee80211_supported_band *band; struct brcmf_bss_info_le *bi; + struct brcmu_chan ch; u32 freq; s32 err = 0; - u32 target_channel; u8 *buf; brcmf_dbg(TRACE, "Enter\n"); @@ -4363,15 +4422,15 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, goto done; bi = (struct brcmf_bss_info_le *)(buf + 4); - target_channel = bi->ctl_ch ? bi->ctl_ch : - CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + ch.chspec = le16_to_cpu(bi->chanspec); + cfg->d11inf.decchspec(&ch); - if (target_channel <= CH_MAX_2G_CHANNEL) + if (ch.band == BRCMU_CHAN_BAND_2G) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; - freq = ieee80211_channel_to_frequency(target_channel, band->band); + freq = ieee80211_channel_to_frequency(ch.chnum, band->band); notify_channel = ieee80211_get_channel(wiphy, freq); done: @@ -4725,6 +4784,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, struct brcmf_cfg80211_vif *vif; struct brcmf_if *ifp; s32 err = 0; + s32 io_type; if (!ndev) { brcmf_err("ndev is invalid\n"); @@ -4765,6 +4825,21 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, brcmf_err("P2P initilisation failed (%d)\n", err); goto cfg80211_p2p_attach_out; } + err = brcmf_btcoex_attach(cfg); + if (err) { + brcmf_err("BT-coex initialisation failed (%d)\n", err); + brcmf_p2p_detach(&cfg->p2p); + goto cfg80211_p2p_attach_out; + } + + err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, + &io_type); + if (err) { + brcmf_err("Failed to get D11 version (%d)\n", err); + goto cfg80211_p2p_attach_out; + } + cfg->d11inf.io_type = (u8)io_type; + brcmu_d11_attach(&cfg->d11inf); return cfg; @@ -4783,6 +4858,7 @@ void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) struct brcmf_cfg80211_vif *tmp; wl_deinit_priv(cfg); + brcmf_btcoex_detach(cfg); list_for_each_entry_safe(vif, tmp, &cfg->vif_list, list) { brcmf_free_vif(vif); } @@ -4885,11 +4961,11 @@ static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, u32 bw_cap) struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); struct ieee80211_channel *band_chan_arr; struct brcmf_chanspec_list *list; + struct brcmu_chan ch; s32 err; u8 *pbuf; u32 i, j; u32 total; - u16 chanspec; enum ieee80211_band band; u32 channel; u32 *n_cnt; @@ -4918,42 +4994,30 @@ static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, u32 bw_cap) total = le32_to_cpu(list->count); for (i = 0; i < total; i++) { - chanspec = (u16)le32_to_cpu(list->element[i]); - channel = CHSPEC_CHANNEL(chanspec); + ch.chspec = (u16)le32_to_cpu(list->element[i]); + cfg->d11inf.decchspec(&ch); - if (CHSPEC_IS40(chanspec)) { - if (CHSPEC_SB_UPPER(chanspec)) - channel += CH_10MHZ_APART; - else - channel -= CH_10MHZ_APART; - } else if (CHSPEC_IS80(chanspec)) { - brcmf_dbg(INFO, "HT80 center channel : %d\n", - channel); - continue; - } - if (CHSPEC_IS2G(chanspec) && (channel >= CH_MIN_2G_CHANNEL) && - (channel <= CH_MAX_2G_CHANNEL)) { + if (ch.band == BRCMU_CHAN_BAND_2G) { band_chan_arr = __wl_2ghz_channels; array_size = ARRAY_SIZE(__wl_2ghz_channels); n_cnt = &__wl_band_2ghz.n_channels; band = IEEE80211_BAND_2GHZ; ht40_allowed = (bw_cap == WLC_N_BW_40ALL); - } else if (CHSPEC_IS5G(chanspec) && - channel >= CH_MIN_5G_CHANNEL) { + } else if (ch.band == BRCMU_CHAN_BAND_5G) { band_chan_arr = __wl_5ghz_a_channels; array_size = ARRAY_SIZE(__wl_5ghz_a_channels); n_cnt = &__wl_band_5ghz_a.n_channels; band = IEEE80211_BAND_5GHZ; ht40_allowed = !(bw_cap == WLC_N_BW_20ALL); } else { - brcmf_err("Invalid channel Sepc. 0x%x.\n", chanspec); + brcmf_err("Invalid channel Sepc. 0x%x.\n", ch.chspec); continue; } - if (!ht40_allowed && CHSPEC_IS40(chanspec)) + if (!ht40_allowed && ch.bw == BRCMU_CHAN_BW_40) continue; update = false; for (j = 0; (j < *n_cnt && (*n_cnt < array_size)); j++) { - if (band_chan_arr[j].hw_value == channel) { + if (band_chan_arr[j].hw_value == ch.chnum) { update = true; break; } @@ -4964,16 +5028,16 @@ static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, u32 bw_cap) index = *n_cnt; if (index < array_size) { band_chan_arr[index].center_freq = - ieee80211_channel_to_frequency(channel, band); - band_chan_arr[index].hw_value = channel; + ieee80211_channel_to_frequency(ch.chnum, band); + band_chan_arr[index].hw_value = ch.chnum; - if (CHSPEC_IS40(chanspec) && ht40_allowed) { + if (ch.bw == BRCMU_CHAN_BW_40 && ht40_allowed) { /* assuming the order is HT20, HT40 Upper, * HT40 lower from chanspecs */ ht40_flag = band_chan_arr[index].flags & IEEE80211_CHAN_NO_HT40; - if (CHSPEC_SB_UPPER(chanspec)) { + if (ch.sb == BRCMU_CHAN_SB_U) { if (ht40_flag == IEEE80211_CHAN_NO_HT40) band_chan_arr[index].flags &= ~IEEE80211_CHAN_NO_HT40; @@ -4993,11 +5057,9 @@ static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, u32 bw_cap) } else { band_chan_arr[index].flags = IEEE80211_CHAN_NO_HT40; - if (band == IEEE80211_BAND_2GHZ) - channel |= WL_CHANSPEC_BAND_2G; - else - channel |= WL_CHANSPEC_BAND_5G; - channel |= WL_CHANSPEC_BW_20; + ch.bw = BRCMU_CHAN_BW_20; + cfg->d11inf.encchspec(&ch); + channel = ch.chspec; err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", &channel); @@ -5226,6 +5288,13 @@ s32 brcmf_cfg80211_down(struct net_device *ndev) return err; } +enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) +{ + struct wireless_dev *wdev = &ifp->vif->wdev; + + return wdev->iftype; +} + u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state) { struct brcmf_cfg80211_vif *vif; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h index 2907437ef438..a71cff84cdcf 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h @@ -17,6 +17,9 @@ #ifndef _wl_cfg80211_h_ #define _wl_cfg80211_h_ +/* for brcmu_d11inf */ +#include <brcmu_d11.h> + #define WL_NUM_SCAN_MAX 10 #define WL_NUM_PMKIDS_MAX MAXPMKID #define WL_TLV_INFO_MAX 1024 @@ -74,14 +77,16 @@ /** - * enum brcmf_scan_status - dongle scan status + * enum brcmf_scan_status - scan engine status * * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle. * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle. + * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver. */ enum brcmf_scan_status { BRCMF_SCAN_STATUS_BUSY, BRCMF_SCAN_STATUS_ABORT, + BRCMF_SCAN_STATUS_SUPPRESS, }; /** @@ -346,6 +351,7 @@ struct brcmf_cfg80211_vif_event { * @wiphy: wiphy object for cfg80211 interface. * @conf: dongle configuration. * @p2p: peer-to-peer specific information. + * @btcoex: Bluetooth coexistence information. * @scan_request: cfg80211 scan request object. * @usr_sync: mainly for dongle up/down synchronization. * @bss_list: bss_list holding scanned ap information. @@ -379,6 +385,7 @@ struct brcmf_cfg80211_info { struct wiphy *wiphy; struct brcmf_cfg80211_conf *conf; struct brcmf_p2p_info p2p; + struct brcmf_btcoex_info *btcoex; struct cfg80211_scan_request *scan_request; struct mutex usr_sync; struct brcmf_scan_results *bss_list; @@ -408,6 +415,7 @@ struct brcmf_cfg80211_info { u8 vif_cnt; struct brcmf_cfg80211_vif_event vif_event; struct completion vif_disabled; + struct brcmu_d11inf d11inf; }; /** @@ -474,6 +482,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); s32 brcmf_cfg80211_up(struct net_device *ndev); s32 brcmf_cfg80211_down(struct net_device *ndev); +enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp); struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, enum nl80211_iftype type, @@ -484,7 +493,8 @@ s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, const u8 *vndr_ie_buf, u32 vndr_ie_len); s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif); struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key); -u16 channel_to_chanspec(struct ieee80211_channel *ch); +u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, + struct ieee80211_channel *ch); u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state); void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, struct brcmf_cfg80211_vif *vif); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/Makefile b/drivers/net/wireless/brcm80211/brcmsmac/Makefile index cba19d839b77..32464acccd90 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/Makefile +++ b/drivers/net/wireless/brcm80211/brcmsmac/Makefile @@ -21,7 +21,7 @@ ccflags-y := \ -Idrivers/net/wireless/brcm80211/brcmsmac/phy \ -Idrivers/net/wireless/brcm80211/include -BRCMSMAC_OFILES := \ +brcmsmac-y := \ mac80211_if.o \ ucode_loader.o \ ampdu.o \ @@ -43,11 +43,6 @@ BRCMSMAC_OFILES := \ brcms_trace_events.o \ debug.o -ifdef CONFIG_BCMA_DRIVER_GPIO -BRCMSMAC_OFILES += led.o -endif +brcmsmac-$(CONFIG_BCMA_DRIVER_GPIO) += led.o -MODULEPFX := brcmsmac - -obj-$(CONFIG_BRCMSMAC) += $(MODULEPFX).o -$(MODULEPFX)-objs = $(BRCMSMAC_OFILES) +obj-$(CONFIG_BRCMSMAC) += brcmsmac.o diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.c b/drivers/net/wireless/brcm80211/brcmsmac/channel.c index 10ee314c4229..cc87926f5055 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/channel.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.c @@ -379,7 +379,7 @@ brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, u8 local_constraint_qdbm) { struct brcms_c_info *wlc = wlc_cm->wlc; - struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; + struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan; struct txpwr_limits txpwr; brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr); @@ -404,7 +404,7 @@ brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec, struct txpwr_limits *txpwr) { struct brcms_c_info *wlc = wlc_cm->wlc; - struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; + struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan; uint i; uint chan; int maxpwr; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index c837be242cba..2346821667e6 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -556,10 +556,10 @@ static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed) new_int); } if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - if (conf->channel_type == NL80211_CHAN_HT20 || - conf->channel_type == NL80211_CHAN_NO_HT) + if (conf->chandef.width == NL80211_CHAN_WIDTH_20 || + conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT) err = brcms_c_set_channel(wl->wlc, - conf->channel->hw_value); + conf->chandef.chan->hw_value); else err = -ENOTSUPP; } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 59d438409dfb..28e7aeedd184 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -5135,7 +5135,7 @@ int brcms_c_up(struct brcms_c_info *wlc) wlc->pub->up = true; if (wlc->bandinit_pending) { - ch = wlc->pub->ieee_hw->conf.channel; + ch = wlc->pub->ieee_hw->conf.chandef.chan; brcms_c_suspend_mac_and_wait(wlc); brcms_c_set_chanspec(wlc, ch20mhz_chspec(ch->hw_value)); wlc->bandinit_pending = false; @@ -7919,7 +7919,7 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) { struct bcma_device *core = wlc->hw->d11core; - struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; + struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan; u16 chanspec; brcms_dbg_info(core, "wl%d\n", wlc->pub->unit); diff --git a/drivers/net/wireless/brcm80211/brcmutil/Makefile b/drivers/net/wireless/brcm80211/brcmutil/Makefile index 6281c416289e..8a928184016a 100644 --- a/drivers/net/wireless/brcm80211/brcmutil/Makefile +++ b/drivers/net/wireless/brcm80211/brcmutil/Makefile @@ -19,10 +19,5 @@ ccflags-y := \ -Idrivers/net/wireless/brcm80211/brcmutil \ -Idrivers/net/wireless/brcm80211/include -BRCMUTIL_OFILES := \ - utils.o - -MODULEPFX := brcmutil - -obj-$(CONFIG_BRCMUTIL) += $(MODULEPFX).o -$(MODULEPFX)-objs = $(BRCMUTIL_OFILES) +obj-$(CONFIG_BRCMUTIL) += brcmutil.o +brcmutil-objs = utils.o d11.o diff --git a/drivers/net/wireless/brcm80211/brcmutil/d11.c b/drivers/net/wireless/brcm80211/brcmutil/d11.c new file mode 100644 index 000000000000..30e54e2c6c9b --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmutil/d11.c @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/*********************channel spec common functions*********************/ + +#include <linux/module.h> + +#include <brcmu_utils.h> +#include <brcmu_wifi.h> +#include <brcmu_d11.h> + +static void brcmu_d11n_encchspec(struct brcmu_chan *ch) +{ + ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK; + + switch (ch->bw) { + case BRCMU_CHAN_BW_20: + ch->chspec |= BRCMU_CHSPEC_D11N_BW_20 | BRCMU_CHSPEC_D11N_SB_N; + break; + case BRCMU_CHAN_BW_40: + default: + WARN_ON_ONCE(1); + break; + } + + if (ch->chnum <= CH_MAX_2G_CHANNEL) + ch->chspec |= BRCMU_CHSPEC_D11N_BND_2G; + else + ch->chspec |= BRCMU_CHSPEC_D11N_BND_5G; +} + +static void brcmu_d11ac_encchspec(struct brcmu_chan *ch) +{ + ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK; + + switch (ch->bw) { + case BRCMU_CHAN_BW_20: + ch->chspec |= BRCMU_CHSPEC_D11AC_BW_20; + break; + case BRCMU_CHAN_BW_40: + case BRCMU_CHAN_BW_80: + case BRCMU_CHAN_BW_80P80: + case BRCMU_CHAN_BW_160: + default: + WARN_ON_ONCE(1); + break; + } + + if (ch->chnum <= CH_MAX_2G_CHANNEL) + ch->chspec |= BRCMU_CHSPEC_D11AC_BND_2G; + else + ch->chspec |= BRCMU_CHSPEC_D11AC_BND_5G; +} + +static void brcmu_d11n_decchspec(struct brcmu_chan *ch) +{ + u16 val; + + ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK); + + switch (ch->chspec & BRCMU_CHSPEC_D11N_BW_MASK) { + case BRCMU_CHSPEC_D11N_BW_20: + ch->bw = BRCMU_CHAN_BW_20; + break; + case BRCMU_CHSPEC_D11N_BW_40: + ch->bw = BRCMU_CHAN_BW_40; + val = ch->chspec & BRCMU_CHSPEC_D11N_SB_MASK; + if (val == BRCMU_CHSPEC_D11N_SB_L) { + ch->sb = BRCMU_CHAN_SB_L; + ch->chnum -= CH_10MHZ_APART; + } else { + ch->sb = BRCMU_CHAN_SB_U; + ch->chnum += CH_10MHZ_APART; + } + break; + default: + WARN_ON_ONCE(1); + break; + } + + switch (ch->chspec & BRCMU_CHSPEC_D11N_BND_MASK) { + case BRCMU_CHSPEC_D11N_BND_5G: + ch->band = BRCMU_CHAN_BAND_5G; + break; + case BRCMU_CHSPEC_D11N_BND_2G: + ch->band = BRCMU_CHAN_BAND_2G; + break; + default: + WARN_ON_ONCE(1); + break; + } +} + +static void brcmu_d11ac_decchspec(struct brcmu_chan *ch) +{ + u16 val; + + ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK); + + switch (ch->chspec & BRCMU_CHSPEC_D11AC_BW_MASK) { + case BRCMU_CHSPEC_D11AC_BW_20: + ch->bw = BRCMU_CHAN_BW_20; + break; + case BRCMU_CHSPEC_D11AC_BW_40: + ch->bw = BRCMU_CHAN_BW_40; + val = ch->chspec & BRCMU_CHSPEC_D11AC_SB_MASK; + if (val == BRCMU_CHSPEC_D11AC_SB_L) { + ch->sb = BRCMU_CHAN_SB_L; + ch->chnum -= CH_10MHZ_APART; + } else if (val == BRCMU_CHSPEC_D11AC_SB_U) { + ch->sb = BRCMU_CHAN_SB_U; + ch->chnum += CH_10MHZ_APART; + } else { + WARN_ON_ONCE(1); + } + break; + case BRCMU_CHSPEC_D11AC_BW_80: + ch->bw = BRCMU_CHAN_BW_80; + break; + case BRCMU_CHSPEC_D11AC_BW_8080: + case BRCMU_CHSPEC_D11AC_BW_160: + default: + WARN_ON_ONCE(1); + break; + } + + switch (ch->chspec & BRCMU_CHSPEC_D11AC_BND_MASK) { + case BRCMU_CHSPEC_D11AC_BND_5G: + ch->band = BRCMU_CHAN_BAND_5G; + break; + case BRCMU_CHSPEC_D11AC_BND_2G: + ch->band = BRCMU_CHAN_BAND_2G; + break; + default: + WARN_ON_ONCE(1); + break; + } +} + +void brcmu_d11_attach(struct brcmu_d11inf *d11inf) +{ + if (d11inf->io_type == BRCMU_D11N_IOTYPE) { + d11inf->encchspec = brcmu_d11n_encchspec; + d11inf->decchspec = brcmu_d11n_decchspec; + } else { + d11inf->encchspec = brcmu_d11ac_encchspec; + d11inf->decchspec = brcmu_d11ac_decchspec; + } +} +EXPORT_SYMBOL(brcmu_d11_attach); diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c b/drivers/net/wireless/brcm80211/brcmutil/utils.c index bf5e50fc21ba..0f7e1c7b6f58 100644 --- a/drivers/net/wireless/brcm80211/brcmutil/utils.c +++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c @@ -45,17 +45,9 @@ void brcmu_pkt_buf_free_skb(struct sk_buff *skb) { if (!skb) return; + WARN_ON(skb->next); - if (skb->destructor) - /* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if - * destructor exists - */ - dev_kfree_skb_any(skb); - else - /* can free immediately (even in_irq()) if destructor - * does not exist - */ - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); } EXPORT_SYMBOL(brcmu_pkt_buf_free_skb); diff --git a/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h b/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h index e8682855b73a..c1fe245bb07e 100644 --- a/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h +++ b/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h @@ -29,6 +29,7 @@ /* Chipcommon Core Chip IDs */ #define BCM4313_CHIP_ID 0x4313 +#define BCM43143_CHIP_ID 43143 #define BCM43224_CHIP_ID 43224 #define BCM43225_CHIP_ID 43225 #define BCM43235_CHIP_ID 43235 @@ -39,5 +40,6 @@ #define BCM4330_CHIP_ID 0x4330 #define BCM4331_CHIP_ID 0x4331 #define BCM4334_CHIP_ID 0x4334 +#define BCM4335_CHIP_ID 0x4335 #endif /* _BRCM_HW_IDS_H_ */ diff --git a/drivers/net/wireless/brcm80211/include/brcmu_d11.h b/drivers/net/wireless/brcm80211/include/brcmu_d11.h new file mode 100644 index 000000000000..92623f02b1c0 --- /dev/null +++ b/drivers/net/wireless/brcm80211/include/brcmu_d11.h @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _BRCMU_D11_H_ +#define _BRCMU_D11_H_ + +/* d11 io type */ +#define BRCMU_D11N_IOTYPE 1 +#define BRCMU_D11AC_IOTYPE 2 + +/* A chanspec (channel specification) holds the channel number, band, + * bandwidth and control sideband + */ + +/* chanspec binary format */ + +#define BRCMU_CHSPEC_INVALID 255 +/* bit 0~7 channel number + * for 80+80 channels: bit 0~3 low channel id, bit 4~7 high channel id + */ +#define BRCMU_CHSPEC_CH_MASK 0x00ff +#define BRCMU_CHSPEC_CH_SHIFT 0 +#define BRCMU_CHSPEC_CHL_MASK 0x000f +#define BRCMU_CHSPEC_CHL_SHIFT 0 +#define BRCMU_CHSPEC_CHH_MASK 0x00f0 +#define BRCMU_CHSPEC_CHH_SHIFT 4 + +/* bit 8~16 for dot 11n IO types + * bit 8~9 sideband + * bit 10~11 bandwidth + * bit 12~13 spectral band + * bit 14~15 not used + */ +#define BRCMU_CHSPEC_D11N_SB_MASK 0x0300 +#define BRCMU_CHSPEC_D11N_SB_SHIFT 8 +#define BRCMU_CHSPEC_D11N_SB_L 0x0100 /* control lower */ +#define BRCMU_CHSPEC_D11N_SB_U 0x0200 /* control upper */ +#define BRCMU_CHSPEC_D11N_SB_N 0x0300 /* none */ +#define BRCMU_CHSPEC_D11N_BW_MASK 0x0c00 +#define BRCMU_CHSPEC_D11N_BW_SHIFT 10 +#define BRCMU_CHSPEC_D11N_BW_10 0x0400 +#define BRCMU_CHSPEC_D11N_BW_20 0x0800 +#define BRCMU_CHSPEC_D11N_BW_40 0x0c00 +#define BRCMU_CHSPEC_D11N_BND_MASK 0x3000 +#define BRCMU_CHSPEC_D11N_BND_SHIFT 12 +#define BRCMU_CHSPEC_D11N_BND_5G 0x1000 +#define BRCMU_CHSPEC_D11N_BND_2G 0x2000 + +/* bit 8~16 for dot 11ac IO types + * bit 8~10 sideband + * bit 11~13 bandwidth + * bit 14~15 spectral band + */ +#define BRCMU_CHSPEC_D11AC_SB_MASK 0x0700 +#define BRCMU_CHSPEC_D11AC_SB_SHIFT 8 +#define BRCMU_CHSPEC_D11AC_SB_LLL 0x0000 +#define BRCMU_CHSPEC_D11AC_SB_LLU 0x0100 +#define BRCMU_CHSPEC_D11AC_SB_LUL 0x0200 +#define BRCMU_CHSPEC_D11AC_SB_LUU 0x0300 +#define BRCMU_CHSPEC_D11AC_SB_ULL 0x0400 +#define BRCMU_CHSPEC_D11AC_SB_ULU 0x0500 +#define BRCMU_CHSPEC_D11AC_SB_UUL 0x0600 +#define BRCMU_CHSPEC_D11AC_SB_UUU 0x0700 +#define BRCMU_CHSPEC_D11AC_SB_LL BRCMU_CHSPEC_D11AC_SB_LLL +#define BRCMU_CHSPEC_D11AC_SB_LU BRCMU_CHSPEC_D11AC_SB_LLU +#define BRCMU_CHSPEC_D11AC_SB_UL BRCMU_CHSPEC_D11AC_SB_LUL +#define BRCMU_CHSPEC_D11AC_SB_UU BRCMU_CHSPEC_D11AC_SB_LUU +#define BRCMU_CHSPEC_D11AC_SB_L BRCMU_CHSPEC_D11AC_SB_LLL +#define BRCMU_CHSPEC_D11AC_SB_U BRCMU_CHSPEC_D11AC_SB_LLU +#define BRCMU_CHSPEC_D11AC_BW_MASK 0x3800 +#define BRCMU_CHSPEC_D11AC_BW_SHIFT 11 +#define BRCMU_CHSPEC_D11AC_BW_5 0x0000 +#define BRCMU_CHSPEC_D11AC_BW_10 0x0800 +#define BRCMU_CHSPEC_D11AC_BW_20 0x1000 +#define BRCMU_CHSPEC_D11AC_BW_40 0x1800 +#define BRCMU_CHSPEC_D11AC_BW_80 0x2000 +#define BRCMU_CHSPEC_D11AC_BW_160 0x2800 +#define BRCMU_CHSPEC_D11AC_BW_8080 0x3000 +#define BRCMU_CHSPEC_D11AC_BND_MASK 0xc000 +#define BRCMU_CHSPEC_D11AC_BND_SHIFT 14 +#define BRCMU_CHSPEC_D11AC_BND_2G 0x0000 +#define BRCMU_CHSPEC_D11AC_BND_3G 0x4000 +#define BRCMU_CHSPEC_D11AC_BND_4G 0x8000 +#define BRCMU_CHSPEC_D11AC_BND_5G 0xc000 + +#define BRCMU_CHAN_BAND_2G 0 +#define BRCMU_CHAN_BAND_5G 1 + +enum brcmu_chan_bw { + BRCMU_CHAN_BW_20, + BRCMU_CHAN_BW_40, + BRCMU_CHAN_BW_80, + BRCMU_CHAN_BW_80P80, + BRCMU_CHAN_BW_160, +}; + +enum brcmu_chan_sb { + BRCMU_CHAN_SB_NONE = 0, + BRCMU_CHAN_SB_L, + BRCMU_CHAN_SB_U, + BRCMU_CHAN_SB_LL, + BRCMU_CHAN_SB_LU, + BRCMU_CHAN_SB_UL, + BRCMU_CHAN_SB_UU, + BRCMU_CHAN_SB_LLL, + BRCMU_CHAN_SB_LLU, + BRCMU_CHAN_SB_LUL, + BRCMU_CHAN_SB_LUU, + BRCMU_CHAN_SB_ULL, + BRCMU_CHAN_SB_ULU, + BRCMU_CHAN_SB_UUL, + BRCMU_CHAN_SB_UUU, +}; + +struct brcmu_chan { + u16 chspec; + u8 chnum; + u8 band; + enum brcmu_chan_bw bw; + enum brcmu_chan_sb sb; +}; + +struct brcmu_d11inf { + u8 io_type; + + void (*encchspec)(struct brcmu_chan *ch); + void (*decchspec)(struct brcmu_chan *ch); +}; + +extern void brcmu_d11_attach(struct brcmu_d11inf *d11inf); + +#endif /* _BRCMU_CHANNELS_H_ */ diff --git a/drivers/net/wireless/brcm80211/include/chipcommon.h b/drivers/net/wireless/brcm80211/include/chipcommon.h index f96834a7c055..d242333b7559 100644 --- a/drivers/net/wireless/brcm80211/include/chipcommon.h +++ b/drivers/net/wireless/brcm80211/include/chipcommon.h @@ -205,7 +205,7 @@ struct chipcregs { u32 res_req_timer_sel; u32 res_req_timer; u32 res_req_mask; - u32 PAD; + u32 pmucapabilities_ext; /* 0x64c, pmurev >=15 */ u32 chipcontrol_addr; /* 0x650 */ u32 chipcontrol_data; /* 0x654 */ u32 regcontrol_addr; @@ -214,7 +214,11 @@ struct chipcregs { u32 pllcontrol_data; u32 pmustrapopt; /* 0x668, corerev >= 28 */ u32 pmu_xtalfreq; /* 0x66C, pmurev >= 10 */ - u32 PAD[100]; + u32 retention_ctl; /* 0x670, pmurev >= 15 */ + u32 PAD[3]; + u32 retention_grpidx; /* 0x680 */ + u32 retention_grpctl; /* 0x684 */ + u32 PAD[94]; u16 sromotp[768]; }; @@ -276,6 +280,12 @@ struct chipcregs { #define PCAP5_VC_SHIFT 22 #define PCAP5_CC_MASK 0xf8000000 #define PCAP5_CC_SHIFT 27 +/* pmucapabilites_ext PMU rev >= 15 */ +#define PCAPEXT_SR_SUPPORTED_MASK (1 << 1) +/* retention_ctl PMU rev >= 15 */ +#define PMU_RCTL_MACPHY_DISABLE_MASK (1 << 26) +#define PMU_RCTL_LOGIC_DISABLE_MASK (1 << 27) + /* * Maximum delay for the PMU state transition in us. |