diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 74 |
1 files changed, 62 insertions, 12 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 7a0601543dff..73a034172c4c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -624,6 +624,7 @@ BRCMF_FW_DEF(43455, "brcmfmac43455-sdio"); BRCMF_FW_DEF(4354, "brcmfmac4354-sdio"); BRCMF_FW_DEF(4356, "brcmfmac4356-sdio"); BRCMF_FW_DEF(4373, "brcmfmac4373-sdio"); +BRCMF_FW_DEF(43012, "brcmfmac43012-sdio"); static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = { BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143), @@ -643,7 +644,8 @@ static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = { BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFFC0, 43455), BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354), BRCMF_FW_ENTRY(BRCM_CC_4356_CHIP_ID, 0xFFFFFFFF, 4356), - BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373) + BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373), + BRCMF_FW_ENTRY(CY_CC_43012_CHIP_ID, 0xFFFFFFFF, 43012) }; static void pkt_align(struct sk_buff *p, int len, int align) @@ -677,6 +679,14 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on) /* 1st KSO write goes to AOS wake up core if device is asleep */ brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err); + /* In case of 43012 chip, the chip could go down immediately after + * KSO bit is cleared. So the further reads of KSO register could + * fail. Thereby just bailing out immediately after clearing KSO + * bit, to avoid polling of KSO bit. + */ + if (!on && bus->ci->chip == CY_CC_43012_CHIP_ID) + return err; + if (on) { /* device WAKEUP through KSO: * write bit 0 & read back until @@ -2402,6 +2412,14 @@ static int brcmf_sdio_tx_ctrlframe(struct brcmf_sdio *bus, u8 *frame, u16 len) return ret; } +static bool brcmf_chip_is_ulp(struct brcmf_chip *ci) +{ + if (ci->chip == CY_CC_43012_CHIP_ID) + return true; + else + return false; +} + static void brcmf_sdio_bus_stop(struct device *dev) { struct brcmf_bus *bus_if = dev_get_drvdata(dev); @@ -2409,7 +2427,7 @@ static void brcmf_sdio_bus_stop(struct device *dev) struct brcmf_sdio *bus = sdiodev->bus; struct brcmf_core *core = bus->sdio_core; u32 local_hostintmask; - u8 saveclk; + u8 saveclk, bpreq; int err; brcmf_dbg(TRACE, "Enter\n"); @@ -2436,9 +2454,14 @@ static void brcmf_sdio_bus_stop(struct device *dev) /* Force backplane clocks to assure F2 interrupt propagates */ saveclk = brcmf_sdiod_readb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (!err) - brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); + if (!err) { + bpreq = saveclk; + bpreq |= brcmf_chip_is_ulp(bus->ci) ? + SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT; + brcmf_sdiod_writeb(sdiodev, + SBSDIO_FUNC1_CHIPCLKCSR, + bpreq, &err); + } if (err) brcmf_err("Failed to force clock for F2: err %d\n", err); @@ -3328,20 +3351,45 @@ err: return bcmerror; } +static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus) +{ + if (bus->ci->chip == CY_CC_43012_CHIP_ID) + return true; + else + return false; +} + static void brcmf_sdio_sr_init(struct brcmf_sdio *bus) { int err = 0; u8 val; + u8 wakeupctrl; + u8 cardcap; + u8 chipclkcsr; brcmf_dbg(TRACE, "Enter\n"); + if (brcmf_chip_is_ulp(bus->ci)) { + wakeupctrl = SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT; + chipclkcsr = SBSDIO_HT_AVAIL_REQ; + } else { + wakeupctrl = SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; + chipclkcsr = SBSDIO_FORCE_HT; + } + + if (brcmf_sdio_aos_no_decode(bus)) { + cardcap = SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC; + } else { + cardcap = (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT | + SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT); + } + val = brcmf_sdiod_readb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, &err); if (err) { brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n"); return; } - - val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; + val |= 1 << wakeupctrl; brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, val, &err); if (err) { brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n"); @@ -3350,8 +3398,7 @@ static void brcmf_sdio_sr_init(struct brcmf_sdio *bus) /* Add CMD14 Support */ brcmf_sdiod_func0_wb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP, - (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT | - SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT), + cardcap, &err); if (err) { brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n"); @@ -3359,7 +3406,7 @@ static void brcmf_sdio_sr_init(struct brcmf_sdio *bus) } brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - SBSDIO_FORCE_HT, &err); + chipclkcsr, &err); if (err) { brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n"); return; @@ -4051,7 +4098,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, const struct firmware *code; void *nvram; u32 nvram_len; - u8 saveclk; + u8 saveclk, bpreq; u8 devctl; brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err); @@ -4085,8 +4132,11 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, /* Force clocks on backplane to be sure F2 interrupt propagates */ saveclk = brcmf_sdiod_readb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR, &err); if (!err) { + bpreq = saveclk; + bpreq |= brcmf_chip_is_ulp(bus->ci) ? + SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT; brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); + bpreq, &err); } if (err) { brcmf_err("Failed to force clock for F2: err %d\n", err); |