diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 211 |
1 files changed, 177 insertions, 34 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index 80083f9ea311..ae57a9a3ab05 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -12,6 +12,8 @@ #include <linux/interrupt.h> #include <linux/bcma/bcma.h> #include <linux/sched.h> +#include <linux/sched/signal.h> +#include <linux/kthread.h> #include <linux/io.h> #include <asm/unaligned.h> @@ -340,6 +342,11 @@ struct brcmf_pciedev_info { u16 value); struct brcmf_mp_device *settings; struct brcmf_otp_params otp; +#ifdef DEBUG + u32 console_interval; + bool console_active; + struct timer_list timer; +#endif }; struct brcmf_pcie_ringbuf { @@ -440,6 +447,9 @@ static void brcmf_pcie_setup(struct device *dev, int ret, struct brcmf_fw_request *fwreq); static struct brcmf_fw_request * brcmf_pcie_prepare_fw_request(struct brcmf_pciedev_info *devinfo); +static void +brcmf_pcie_fwcon_timer(struct brcmf_pciedev_info *devinfo, bool active); +static void brcmf_pcie_debugfs_create(struct device *dev); static u16 brcmf_pcie_read_reg16(struct brcmf_pciedev_info *devinfo, u32 reg_offset) @@ -726,7 +736,7 @@ static int brcmf_pcie_exit_download_state(struct brcmf_pciedev_info *devinfo, } if (!brcmf_chip_set_active(devinfo->ci, resetintr)) - return -EINVAL; + return -EIO; return 0; } @@ -1218,6 +1228,10 @@ static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo) BRCMF_NROF_H2D_COMMON_MSGRINGS; max_completionrings = BRCMF_NROF_D2H_COMMON_MSGRINGS; } + if (max_flowrings > 256) { + brcmf_err(bus, "invalid max_flowrings(%d)\n", max_flowrings); + return -EIO; + } if (devinfo->dma_idx_sz != 0) { bufsz = (max_submissionrings + max_completionrings) * @@ -1413,6 +1427,11 @@ fail: static void brcmf_pcie_down(struct device *dev) { + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pciedev *pcie_bus_dev = bus_if->bus_priv.pcie; + struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; + + brcmf_pcie_fwcon_timer(devinfo, false); } static int brcmf_pcie_preinit(struct device *dev) @@ -1547,6 +1566,7 @@ static const struct brcmf_bus_ops brcmf_pcie_bus_ops = { .get_memdump = brcmf_pcie_get_memdump, .get_blob = brcmf_pcie_get_blob, .reset = brcmf_pcie_reset, + .debugfs_create = brcmf_pcie_debugfs_create, }; @@ -2048,13 +2068,14 @@ static void brcmf_pcie_setup(struct device *dev, int ret, struct brcmf_commonring **flowrings; u32 i, nvram_len; + bus = dev_get_drvdata(dev); + pcie_bus_dev = bus->bus_priv.pcie; + devinfo = pcie_bus_dev->devinfo; + /* check firmware loading result */ if (ret) goto fail; - bus = dev_get_drvdata(dev); - pcie_bus_dev = bus->bus_priv.pcie; - devinfo = pcie_bus_dev->devinfo; brcmf_pcie_attach(devinfo); fw = fwreq->items[BRCMF_PCIE_FW_CODE].binary; @@ -2123,9 +2144,14 @@ static void brcmf_pcie_setup(struct device *dev, int ret, brcmf_pcie_bus_console_read(devinfo, false); + brcmf_pcie_fwcon_timer(devinfo, true); + return; fail: + brcmf_err(bus, "Dongle setup failed\n"); + brcmf_pcie_bus_console_read(devinfo, true); + brcmf_fw_crashed(dev); device_release_driver(dev); } @@ -2197,6 +2223,105 @@ brcmf_pcie_prepare_fw_request(struct brcmf_pciedev_info *devinfo) return fwreq; } +#ifdef DEBUG +static void +brcmf_pcie_fwcon_timer(struct brcmf_pciedev_info *devinfo, bool active) +{ + if (!active) { + if (devinfo->console_active) { + del_timer_sync(&devinfo->timer); + devinfo->console_active = false; + } + return; + } + + /* don't start the timer */ + if (devinfo->state != BRCMFMAC_PCIE_STATE_UP || + !devinfo->console_interval || !BRCMF_FWCON_ON()) + return; + + if (!devinfo->console_active) { + devinfo->timer.expires = jiffies + devinfo->console_interval; + add_timer(&devinfo->timer); + devinfo->console_active = true; + } else { + /* Reschedule the timer */ + mod_timer(&devinfo->timer, jiffies + devinfo->console_interval); + } +} + +static void +brcmf_pcie_fwcon(struct timer_list *t) +{ + struct brcmf_pciedev_info *devinfo = from_timer(devinfo, t, timer); + + if (!devinfo->console_active) + return; + + brcmf_pcie_bus_console_read(devinfo, false); + + /* Reschedule the timer if console interval is not zero */ + mod_timer(&devinfo->timer, jiffies + devinfo->console_interval); +} + +static int brcmf_pcie_console_interval_get(void *data, u64 *val) +{ + struct brcmf_pciedev_info *devinfo = data; + + *val = devinfo->console_interval; + + return 0; +} + +static int brcmf_pcie_console_interval_set(void *data, u64 val) +{ + struct brcmf_pciedev_info *devinfo = data; + + if (val > MAX_CONSOLE_INTERVAL) + return -EINVAL; + + devinfo->console_interval = val; + + if (!val && devinfo->console_active) + brcmf_pcie_fwcon_timer(devinfo, false); + else if (val) + brcmf_pcie_fwcon_timer(devinfo, true); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(brcmf_pcie_console_interval_fops, + brcmf_pcie_console_interval_get, + brcmf_pcie_console_interval_set, + "%llu\n"); + +static void brcmf_pcie_debugfs_create(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pub *drvr = bus_if->drvr; + struct brcmf_pciedev *pcie_bus_dev = bus_if->bus_priv.pcie; + struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; + struct dentry *dentry = brcmf_debugfs_get_devdir(drvr); + + if (IS_ERR_OR_NULL(dentry)) + return; + + devinfo->console_interval = BRCMF_CONSOLE; + + debugfs_create_file("console_interval", 0644, dentry, devinfo, + &brcmf_pcie_console_interval_fops); +} + +#else +void brcmf_pcie_fwcon_timer(struct brcmf_pciedev_info *devinfo, bool active) +{ +} + +static void brcmf_pcie_debugfs_create(struct device *dev) +{ +} +#endif + static int brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -2264,6 +2389,7 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) bus->bus_priv.pcie = pcie_bus_dev; bus->ops = &brcmf_pcie_bus_ops; bus->proto_type = BRCMF_PROTO_MSGBUF; + bus->fwvid = id->driver_data; bus->chip = devinfo->coreid; bus->wowl_supported = pci_pme_capable(pdev, PCI_D3hot); dev_set_drvdata(&pdev->dev, bus); @@ -2278,6 +2404,11 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto fail_brcmf; } +#ifdef DEBUG + /* Set up the fwcon timer */ + timer_setup(&devinfo->timer, brcmf_pcie_fwcon, 0); +#endif + fwreq = brcmf_pcie_prepare_fw_request(devinfo); if (!fwreq) { ret = -ENOMEM; @@ -2323,6 +2454,7 @@ brcmf_pcie_remove(struct pci_dev *pdev) devinfo = bus->bus_priv.pcie->devinfo; brcmf_pcie_bus_console_read(devinfo, false); + brcmf_pcie_fwcon_timer(devinfo, false); devinfo->state = BRCMFMAC_PCIE_STATE_DOWN; if (devinfo->ci) @@ -2366,6 +2498,7 @@ static int brcmf_pcie_pm_enter_D3(struct device *dev) bus = dev_get_drvdata(dev); devinfo = bus->bus_priv.pcie->devinfo; + brcmf_pcie_fwcon_timer(devinfo, false); brcmf_bus_change_state(bus, BRCMF_BUS_DOWN); devinfo->mbdata_completed = false; @@ -2409,6 +2542,7 @@ static int brcmf_pcie_pm_leave_D3(struct device *dev) brcmf_bus_change_state(bus, BRCMF_BUS_UP); brcmf_pcie_intr_enable(devinfo); brcmf_pcie_hostready(devinfo); + brcmf_pcie_fwcon_timer(devinfo, true); return 0; } @@ -2437,38 +2571,47 @@ static const struct dev_pm_ops brcmf_pciedrvr_pm = { #endif /* CONFIG_PM */ -#define BRCMF_PCIE_DEVICE(dev_id) { BRCM_PCIE_VENDOR_ID_BROADCOM, dev_id,\ - PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, 0 } -#define BRCMF_PCIE_DEVICE_SUB(dev_id, subvend, subdev) { \ - BRCM_PCIE_VENDOR_ID_BROADCOM, dev_id,\ - subvend, subdev, PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, 0 } +#define BRCMF_PCIE_DEVICE(dev_id, fw_vend) \ + { \ + BRCM_PCIE_VENDOR_ID_BROADCOM, (dev_id), \ + PCI_ANY_ID, PCI_ANY_ID, \ + PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, \ + BRCMF_FWVENDOR_ ## fw_vend \ + } +#define BRCMF_PCIE_DEVICE_SUB(dev_id, subvend, subdev, fw_vend) \ + { \ + BRCM_PCIE_VENDOR_ID_BROADCOM, (dev_id), \ + (subvend), (subdev), \ + PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, \ + BRCMF_FWVENDOR_ ## fw_vend \ + } static const struct pci_device_id brcmf_pcie_devid_table[] = { - BRCMF_PCIE_DEVICE(BRCM_PCIE_4350_DEVICE_ID), - BRCMF_PCIE_DEVICE_SUB(0x4355, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4355), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4354_RAW_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_RAW_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4358_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4359_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_2G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_5G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_RAW_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4364_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_2G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_5G_DEVICE_ID), - BRCMF_PCIE_DEVICE_SUB(0x4365, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4365), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_2G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_5G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4371_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4378_DEVICE_ID), - BRCMF_PCIE_DEVICE(CY_PCIE_89459_DEVICE_ID), - BRCMF_PCIE_DEVICE(CY_PCIE_89459_RAW_DEVICE_ID), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4350_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE_SUB(0x4355, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4355, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4354_RAW_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_RAW_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4358_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4359_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_2G_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_5G_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_RAW_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4364_DEVICE_ID, BCA), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_DEVICE_ID, BCA), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_2G_DEVICE_ID, BCA), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_5G_DEVICE_ID, BCA), + BRCMF_PCIE_DEVICE_SUB(0x4365, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4365, BCA), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_DEVICE_ID, BCA), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_2G_DEVICE_ID, BCA), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_5G_DEVICE_ID, BCA), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4371_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4378_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(CY_PCIE_89459_DEVICE_ID, CYW), + BRCMF_PCIE_DEVICE(CY_PCIE_89459_RAW_DEVICE_ID, CYW), { /* end: all zeroes */ } }; 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