diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/b43legacy/b43legacy.h | 31 | ||||
-rw-r--r-- | drivers/net/wireless/b43legacy/main.c | 124 | ||||
-rw-r--r-- | drivers/net/wireless/b43legacy/phy.c | 14 | ||||
-rw-r--r-- | drivers/net/wireless/b43legacy/pio.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/b43legacy/radio.c | 16 |
5 files changed, 110 insertions, 81 deletions
diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h index 93419adb925..c80edd2b904 100644 --- a/drivers/net/wireless/b43legacy/b43legacy.h +++ b/drivers/net/wireless/b43legacy/b43legacy.h @@ -23,7 +23,7 @@ #include "phy.h" -#define B43legacy_IRQWAIT_MAX_RETRIES 100 +#define B43legacy_IRQWAIT_MAX_RETRIES 20 #define B43legacy_RX_MAX_SSI 60 /* best guess at max ssi */ @@ -40,9 +40,8 @@ #define B43legacy_MMIO_DMA4_IRQ_MASK 0x44 #define B43legacy_MMIO_DMA5_REASON 0x48 #define B43legacy_MMIO_DMA5_IRQ_MASK 0x4C -#define B43legacy_MMIO_MACCTL 0x120 -#define B43legacy_MMIO_STATUS_BITFIELD 0x120 -#define B43legacy_MMIO_STATUS2_BITFIELD 0x124 +#define B43legacy_MMIO_MACCTL 0x120 /* MAC control */ +#define B43legacy_MMIO_MACCMD 0x124 /* MAC command */ #define B43legacy_MMIO_GEN_IRQ_REASON 0x128 #define B43legacy_MMIO_GEN_IRQ_MASK 0x12C #define B43legacy_MMIO_RAM_CONTROL 0x130 @@ -177,31 +176,25 @@ #define B43legacy_RADIOCTL_ID 0x01 /* MAC Control bitfield */ +#define B43legacy_MACCTL_ENABLED 0x00000001 /* MAC Enabled */ +#define B43legacy_MACCTL_PSM_RUN 0x00000002 /* Run Microcode */ +#define B43legacy_MACCTL_PSM_JMP0 0x00000004 /* Microcode jump to 0 */ +#define B43legacy_MACCTL_SHM_ENABLED 0x00000100 /* SHM Enabled */ #define B43legacy_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */ +#define B43legacy_MACCTL_BE 0x00010000 /* Big Endian mode */ #define B43legacy_MACCTL_INFRA 0x00020000 /* Infrastructure mode */ #define B43legacy_MACCTL_AP 0x00040000 /* AccessPoint mode */ +#define B43legacy_MACCTL_RADIOLOCK 0x00080000 /* Radio lock */ #define B43legacy_MACCTL_BEACPROMISC 0x00100000 /* Beacon Promiscuous */ #define B43legacy_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep bad PLCP frames */ #define B43legacy_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */ #define B43legacy_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */ #define B43legacy_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */ +#define B43legacy_MACCTL_HWPS 0x02000000 /* Hardware Power Saving */ +#define B43legacy_MACCTL_AWAKE 0x04000000 /* Device is awake */ +#define B43legacy_MACCTL_TBTTHOLD 0x10000000 /* TBTT Hold */ #define B43legacy_MACCTL_GMODE 0x80000000 /* G Mode */ -/* StatusBitField */ -#define B43legacy_SBF_MAC_ENABLED 0x00000001 -#define B43legacy_SBF_CORE_READY 0x00000004 -#define B43legacy_SBF_400 0x00000400 /*FIXME: fix name*/ -#define B43legacy_SBF_XFER_REG_BYTESWAP 0x00010000 -#define B43legacy_SBF_MODE_NOTADHOC 0x00020000 -#define B43legacy_SBF_MODE_AP 0x00040000 -#define B43legacy_SBF_RADIOREG_LOCK 0x00080000 -#define B43legacy_SBF_MODE_MONITOR 0x00400000 -#define B43legacy_SBF_MODE_PROMISC 0x01000000 -#define B43legacy_SBF_PS1 0x02000000 -#define B43legacy_SBF_PS2 0x04000000 -#define B43legacy_SBF_NO_SSID_BCAST 0x08000000 -#define B43legacy_SBF_TIME_UPDATE 0x10000000 - /* 802.11 core specific TM State Low flags */ #define B43legacy_TMSLOW_GMODE 0x20000000 /* G Mode Enable */ #define B43legacy_TMSLOW_PLLREFSEL 0x00200000 /* PLL Freq Ref Select */ diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index b9a046ff6dc..aa20d5d56e2 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -225,8 +225,8 @@ static void b43legacy_ram_write(struct b43legacy_wldev *dev, u16 offset, B43legacy_WARN_ON(offset % 4 != 0); - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - if (status & B43legacy_SBF_XFER_REG_BYTESWAP) + status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + if (status & B43legacy_MACCTL_BE) val = swab32(val); b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset); @@ -434,9 +434,9 @@ static void b43legacy_time_lock(struct b43legacy_wldev *dev) { u32 status; - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - status |= B43legacy_SBF_TIME_UPDATE; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status); + status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + status |= B43legacy_MACCTL_TBTTHOLD; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); mmiowb(); } @@ -444,9 +444,9 @@ static void b43legacy_time_unlock(struct b43legacy_wldev *dev) { u32 status; - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - status &= ~B43legacy_SBF_TIME_UPDATE; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status); + status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + status &= ~B43legacy_MACCTL_TBTTHOLD; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); } static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf) @@ -647,7 +647,7 @@ void b43legacy_dummy_transmission(struct b43legacy_wldev *dev) b43legacy_ram_write(dev, i * 4, buffer[i]); /* dummy read follows */ - b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); + b43legacy_read32(dev, B43legacy_MMIO_MACCTL); b43legacy_write16(dev, 0x0568, 0x0000); b43legacy_write16(dev, 0x07C0, 0x0000); @@ -794,9 +794,9 @@ static void b43legacy_jssi_write(struct b43legacy_wldev *dev, u32 jssi) static void b43legacy_generate_noise_sample(struct b43legacy_wldev *dev) { b43legacy_jssi_write(dev, 0x7F7F7F7F); - b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, + b43legacy_write32(dev, B43legacy_MMIO_MACCMD, b43legacy_read32(dev, - B43legacy_MMIO_STATUS2_BITFIELD) + B43legacy_MMIO_MACCMD) | (1 << 4)); B43legacy_WARN_ON(dev->noisecalc.channel_at_start != dev->phy.channel); @@ -895,8 +895,8 @@ static void handle_irq_atim_end(struct b43legacy_wldev *dev) { if (!dev->reg124_set_0x4) /*FIXME rename this variable*/ return; - b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, - b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD) + b43legacy_write32(dev, B43legacy_MMIO_MACCMD, + b43legacy_read32(dev, B43legacy_MMIO_MACCMD) | 0x4); } @@ -1106,9 +1106,9 @@ static void b43legacy_update_templates(struct b43legacy_wldev *dev) b43legacy_write_probe_resp_template(dev, 0x268, 0x4A, B43legacy_CCK_RATE_11MB); - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD); + status = b43legacy_read32(dev, B43legacy_MMIO_MACCMD); status |= 0x03; - b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, status); + b43legacy_write32(dev, B43legacy_MMIO_MACCMD, status); } static void b43legacy_refresh_templates(struct b43legacy_wldev *dev, @@ -1166,7 +1166,7 @@ static void handle_irq_beacon(struct b43legacy_wldev *dev) return; dev->irq_savedstate &= ~B43legacy_IRQ_BEACON; - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD); + status = b43legacy_read32(dev, B43legacy_MMIO_MACCMD); if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) { /* ACK beacon IRQ. */ @@ -1182,14 +1182,14 @@ static void handle_irq_beacon(struct b43legacy_wldev *dev) b43legacy_write_beacon_template(dev, 0x68, 0x18, B43legacy_CCK_RATE_1MB); status |= 0x1; - b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, + b43legacy_write32(dev, B43legacy_MMIO_MACCMD, status); } if (!(status & 0x2)) { b43legacy_write_beacon_template(dev, 0x468, 0x1A, B43legacy_CCK_RATE_1MB); status |= 0x2; - b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, + b43legacy_write32(dev, B43legacy_MMIO_MACCMD, status); } } @@ -1548,9 +1548,20 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev) u16 fwpatch; u16 fwdate; u16 fwtime; - u32 tmp; + u32 tmp, macctl; int err = 0; + /* Jump the microcode PSM to offset 0 */ + macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + B43legacy_WARN_ON(macctl & B43legacy_MACCTL_PSM_RUN); + macctl |= B43legacy_MACCTL_PSM_JMP0; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); + /* Zero out all microcode PSM registers and shared memory. */ + for (i = 0; i < 64; i++) + b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, i, 0); + for (i = 0; i < 4096; i += 2) + b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, i, 0); + /* Upload Microcode. */ data = (__be32 *) (dev->fw.ucode->data + hdr_len); len = (dev->fw.ucode->size - hdr_len) / sizeof(__be32); @@ -1581,7 +1592,12 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev) b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, B43legacy_IRQ_ALL); - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0x00020402); + + /* Start the microcode PSM */ + macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + macctl &= ~B43legacy_MACCTL_PSM_JMP0; + macctl |= B43legacy_MACCTL_PSM_RUN; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); /* Wait for the microcode to load and respond */ i = 0; @@ -1594,9 +1610,13 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev) b43legacyerr(dev->wl, "Microcode not responding\n"); b43legacy_print_fw_helptext(dev->wl); err = -ENODEV; - goto out; + goto error; + } + msleep_interruptible(50); + if (signal_pending(current)) { + err = -EINTR; + goto error; } - udelay(10); } /* dummy read follows */ b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); @@ -1617,9 +1637,8 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev) " is supported. You must change your firmware" " files.\n"); b43legacy_print_fw_helptext(dev->wl); - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0); err = -EOPNOTSUPP; - goto out; + goto error; } b43legacydbg(dev->wl, "Loading firmware version 0x%X, patch level %u " "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch, @@ -1629,7 +1648,14 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev) dev->fw.rev = fwrev; dev->fw.patch = fwpatch; -out: + return 0; + +error: + macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + macctl &= ~B43legacy_MACCTL_PSM_RUN; + macctl |= B43legacy_MACCTL_PSM_JMP0; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); + return err; } @@ -1736,9 +1762,9 @@ static int b43legacy_gpio_init(struct b43legacy_wldev *dev) u32 mask; u32 set; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, b43legacy_read32(dev, - B43legacy_MMIO_STATUS_BITFIELD) + B43legacy_MMIO_MACCTL) & 0xFFFF3FFF); b43legacy_write16(dev, B43legacy_MMIO_GPIO_MASK, @@ -1798,14 +1824,14 @@ void b43legacy_mac_enable(struct b43legacy_wldev *dev) B43legacy_WARN_ON(dev->mac_suspended < 0); B43legacy_WARN_ON(irqs_disabled()); if (dev->mac_suspended == 0) { - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, b43legacy_read32(dev, - B43legacy_MMIO_STATUS_BITFIELD) - | B43legacy_SBF_MAC_ENABLED); + B43legacy_MMIO_MACCTL) + | B43legacy_MACCTL_ENABLED); b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, B43legacy_IRQ_MAC_SUSPENDED); /* the next two are dummy reads */ - b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); + b43legacy_read32(dev, B43legacy_MMIO_MACCTL); b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); b43legacy_power_saving_ctl_bits(dev, -1, -1); @@ -1836,10 +1862,10 @@ void b43legacy_mac_suspend(struct b43legacy_wldev *dev) dev->irq_savedstate = tmp; b43legacy_power_saving_ctl_bits(dev, -1, 1); - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, b43legacy_read32(dev, - B43legacy_MMIO_STATUS_BITFIELD) - & ~B43legacy_SBF_MAC_ENABLED); + B43legacy_MMIO_MACCTL) + & ~B43legacy_MACCTL_ENABLED); b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); for (i = 40; i; i--) { tmp = b43legacy_read32(dev, @@ -2007,12 +2033,15 @@ static int b43legacy_chip_init(struct b43legacy_wldev *dev) struct b43legacy_phy *phy = &dev->phy; int err; int tmp; - u32 value32; + u32 value32, macctl; u16 value16; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, - B43legacy_SBF_CORE_READY - | B43legacy_SBF_400); + /* Initialize the MAC control */ + macctl = B43legacy_MACCTL_IHR_ENABLED | B43legacy_MACCTL_SHM_ENABLED; + if (dev->phy.gmode) + macctl |= B43legacy_MACCTL_GMODE; + macctl |= B43legacy_MACCTL_INFRA; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); err = b43legacy_request_firmware(dev); if (err) @@ -2052,12 +2081,12 @@ static int b43legacy_chip_init(struct b43legacy_wldev *dev) if (dev->dev->id.revision < 5) b43legacy_write32(dev, 0x010C, 0x01000000); - value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - value32 &= ~B43legacy_SBF_MODE_NOTADHOC; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32); - value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - value32 |= B43legacy_SBF_MODE_NOTADHOC; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32); + value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + value32 &= ~B43legacy_MACCTL_INFRA; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32); + value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + value32 |= B43legacy_MACCTL_INFRA; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32); if (b43legacy_using_pio(dev)) { b43legacy_write32(dev, 0x0210, 0x00000100); @@ -2951,12 +2980,19 @@ static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev) { struct b43legacy_wl *wl = dev->wl; struct b43legacy_phy *phy = &dev->phy; + u32 macctl; B43legacy_WARN_ON(b43legacy_status(dev) > B43legacy_STAT_INITIALIZED); if (b43legacy_status(dev) != B43legacy_STAT_INITIALIZED) return; b43legacy_set_status(dev, B43legacy_STAT_UNINIT); + /* Stop the microcode PSM. */ + macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + macctl &= ~B43legacy_MACCTL_PSM_RUN; + macctl |= B43legacy_MACCTL_PSM_JMP0; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); + mutex_unlock(&wl->mutex); /* Must unlock as it would otherwise deadlock. No races here. * Cancel possibly pending workqueues. */ diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c index c16febbdbf5..8e5c09b8187 100644 --- a/drivers/net/wireless/b43legacy/phy.c +++ b/drivers/net/wireless/b43legacy/phy.c @@ -140,7 +140,7 @@ void b43legacy_phy_calibrate(struct b43legacy_wldev *dev) { struct b43legacy_phy *phy = &dev->phy; - b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); /* Dummy read. */ + b43legacy_read32(dev, B43legacy_MMIO_MACCTL); /* Dummy read. */ if (phy->calibrated) return; if (phy->type == B43legacy_PHYTYPE_G && phy->rev == 1) { @@ -2231,16 +2231,16 @@ bit26 = 1; * or the latest PS-Poll packet sent was successful, * set bit26 */ } - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); + status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); if (bit25) - status |= B43legacy_SBF_PS1; + status |= B43legacy_MACCTL_HWPS; else - status &= ~B43legacy_SBF_PS1; + status &= ~B43legacy_MACCTL_HWPS; if (bit26) - status |= B43legacy_SBF_PS2; + status |= B43legacy_MACCTL_AWAKE; else - status &= ~B43legacy_SBF_PS2; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status); + status &= ~B43legacy_MACCTL_AWAKE; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); if (bit26 && dev->dev->id.revision >= 5) { for (i = 0; i < 100; i++) { if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c index de843ac147a..e4f4c5c39e3 100644 --- a/drivers/net/wireless/b43legacy/pio.c +++ b/drivers/net/wireless/b43legacy/pio.c @@ -334,9 +334,9 @@ struct b43legacy_pioqueue *b43legacy_setup_pioqueue(struct b43legacy_wldev *dev, tasklet_init(&queue->txtask, tx_tasklet, (unsigned long)queue); - value = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - value &= ~B43legacy_SBF_XFER_REG_BYTESWAP; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value); + value = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + value &= ~B43legacy_MACCTL_BE; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value); qsize = b43legacy_read16(dev, queue->mmio_base + B43legacy_PIO_TXQBUFSIZE); diff --git a/drivers/net/wireless/b43legacy/radio.c b/drivers/net/wireless/b43legacy/radio.c index 318a270cf9b..955832e8654 100644 --- a/drivers/net/wireless/b43legacy/radio.c +++ b/drivers/net/wireless/b43legacy/radio.c @@ -91,10 +91,10 @@ void b43legacy_radio_lock(struct b43legacy_wldev *dev) { u32 status; - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - B43legacy_WARN_ON(status & B43legacy_SBF_RADIOREG_LOCK); - status |= B43legacy_SBF_RADIOREG_LOCK; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status); + status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + B43legacy_WARN_ON(status & B43legacy_MACCTL_RADIOLOCK); + status |= B43legacy_MACCTL_RADIOLOCK; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); mmiowb(); udelay(10); } @@ -104,10 +104,10 @@ void b43legacy_radio_unlock(struct b43legacy_wldev *dev) u32 status; b43legacy_read16(dev, B43legacy_MMIO_PHY_VER); /* dummy read */ - status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); - B43legacy_WARN_ON(!(status & B43legacy_SBF_RADIOREG_LOCK)); - status &= ~B43legacy_SBF_RADIOREG_LOCK; - b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status); + status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); + B43legacy_WARN_ON(!(status & B43legacy_MACCTL_RADIOLOCK)); + status &= ~B43legacy_MACCTL_RADIOLOCK; + b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); mmiowb(); } |