Exemplo n.º 1
0
static u16 index_to_pioqueue_base(struct b43_wldev *dev,
				  unsigned int index)
{
	static const u16 bases[] = {
		B43_MMIO_PIO_BASE0,
		B43_MMIO_PIO_BASE1,
		B43_MMIO_PIO_BASE2,
		B43_MMIO_PIO_BASE3,
		B43_MMIO_PIO_BASE4,
		B43_MMIO_PIO_BASE5,
		B43_MMIO_PIO_BASE6,
		B43_MMIO_PIO_BASE7,
	};
	static const u16 bases_rev11[] = {
		B43_MMIO_PIO11_BASE0,
		B43_MMIO_PIO11_BASE1,
		B43_MMIO_PIO11_BASE2,
		B43_MMIO_PIO11_BASE3,
		B43_MMIO_PIO11_BASE4,
		B43_MMIO_PIO11_BASE5,
	};

	if (dev->dev->id.revision >= 11) {
		B43_WARN_ON(index >= ARRAY_SIZE(bases_rev11));
		return bases_rev11[index];
	}
	B43_WARN_ON(index >= ARRAY_SIZE(bases));
	return bases[index];
}
Exemplo n.º 2
0
void b43_lcntab_write(struct b43_wldev *dev, u32 offset, u32 value)
{
	u32 type;

	type = offset & B43_LCNTAB_TYPEMASK;
	offset &= 0xFFFF;

	switch (type) {
	case B43_LCNTAB_8BIT:
		B43_WARN_ON(value & ~0xFF);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value);
		break;
	case B43_LCNTAB_16BIT:
		B43_WARN_ON(value & ~0xFFFF);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value);
		break;
	case B43_LCNTAB_32BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATAHI, value >> 16);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value & 0xFFFF);
		break;
	default:
		B43_WARN_ON(1);
	}

	return;
}
Exemplo n.º 3
0
static
struct b43_pio_txqueue *parse_cookie(struct b43_wldev *dev,
				     u16 cookie,
				      struct b43_pio_txpacket **pack)
{
	struct b43_pio *pio = &dev->pio;
	struct b43_pio_txqueue *q = NULL;
	unsigned int pack_index;

	switch (cookie & 0xF000) {
	case 0x1000:
		q = pio->tx_queue_AC_BK;
		break;
	case 0x2000:
		q = pio->tx_queue_AC_BE;
		break;
	case 0x3000:
		q = pio->tx_queue_AC_VI;
		break;
	case 0x4000:
		q = pio->tx_queue_AC_VO;
		break;
	case 0x5000:
		q = pio->tx_queue_mcast;
		break;
	}
	if (B43_WARN_ON(!q))
		return NULL;
	pack_index = (cookie & 0x0FFF);
	if (B43_WARN_ON(pack_index >= ARRAY_SIZE(q->packets)))
		return NULL;
	*pack = &q->packets[pack_index];

	return q;
}
Exemplo n.º 4
0
static u16 b43_dmacontroller_base(enum b43_dmatype type, int controller_idx)
{
	static const u16 map64[] = {
		B43_MMIO_DMA64_BASE0,
		B43_MMIO_DMA64_BASE1,
		B43_MMIO_DMA64_BASE2,
		B43_MMIO_DMA64_BASE3,
		B43_MMIO_DMA64_BASE4,
		B43_MMIO_DMA64_BASE5,
	};
	static const u16 map32[] = {
		B43_MMIO_DMA32_BASE0,
		B43_MMIO_DMA32_BASE1,
		B43_MMIO_DMA32_BASE2,
		B43_MMIO_DMA32_BASE3,
		B43_MMIO_DMA32_BASE4,
		B43_MMIO_DMA32_BASE5,
	};

	if (type == B43_DMA_64BIT) {
		B43_WARN_ON(!(controller_idx >= 0 &&
			      controller_idx < ARRAY_SIZE(map64)));
		return map64[controller_idx];
	}
	B43_WARN_ON(!(controller_idx >= 0 &&
		      controller_idx < ARRAY_SIZE(map32)));
	return map32[controller_idx];
}
Exemplo n.º 5
0
u32 b43_lcntab_read(struct b43_wldev *dev, u32 offset)
{
	u32 type, value;

	type = offset & B43_LCNTAB_TYPEMASK;
	offset &= ~B43_LCNTAB_TYPEMASK;
	B43_WARN_ON(offset > 0xFFFF);

	switch (type) {
	case B43_LCNTAB_8BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		value = b43_phy_read(dev, B43_PHY_LCN_TABLE_DATALO) & 0xFF;
		break;
	case B43_LCNTAB_16BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		value = b43_phy_read(dev, B43_PHY_LCN_TABLE_DATALO);
		break;
	case B43_LCNTAB_32BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		value = b43_phy_read(dev, B43_PHY_LCN_TABLE_DATALO);
		value |= (b43_phy_read(dev, B43_PHY_LCN_TABLE_DATAHI) << 16);
		break;
	default:
		B43_WARN_ON(1);
		value = 0;
	}

	return value;
}
Exemplo n.º 6
0
Arquivo: lo.c Projeto: Tigrouzen/k1099
static u16 lo_measure_feedthrough(struct b43_wldev *dev,
				  u16 lna, u16 pga, u16 trsw_rx)
{
	struct b43_phy *phy = &dev->phy;
	u16 rfover;
	u16 feedthrough;

	if (phy->gmode) {
		lna <<= B43_PHY_RFOVERVAL_LNA_SHIFT;
		pga <<= B43_PHY_RFOVERVAL_PGA_SHIFT;

		B43_WARN_ON(lna & ~B43_PHY_RFOVERVAL_LNA);
		B43_WARN_ON(pga & ~B43_PHY_RFOVERVAL_PGA);
/*FIXME This assertion fails		B43_WARN_ON(trsw_rx & ~(B43_PHY_RFOVERVAL_TRSWRX |
				    B43_PHY_RFOVERVAL_BW));
*/
		trsw_rx &= (B43_PHY_RFOVERVAL_TRSWRX | B43_PHY_RFOVERVAL_BW);

		/* Construct the RF Override Value */
		rfover = B43_PHY_RFOVERVAL_UNK;
		rfover |= pga;
		rfover |= lna;
		rfover |= trsw_rx;
		if ((dev->dev->bus->sprom.boardflags_lo & B43_BFL_EXTLNA)
		    && phy->rev > 6)
			rfover |= B43_PHY_RFOVERVAL_EXTLNA;

		b43_phy_write(dev, B43_PHY_PGACTL, 0xE300);
		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
		udelay(10);
		rfover |= B43_PHY_RFOVERVAL_BW_LBW;
		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
		udelay(10);
		rfover |= B43_PHY_RFOVERVAL_BW_LPF;
		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
		udelay(10);
		b43_phy_write(dev, B43_PHY_PGACTL, 0xF300);
	} else {
		pga |= B43_PHY_PGACTL_UNKNOWN;
		b43_phy_write(dev, B43_PHY_PGACTL, pga);
		udelay(10);
		pga |= B43_PHY_PGACTL_LOWBANDW;
		b43_phy_write(dev, B43_PHY_PGACTL, pga);
		udelay(10);
		pga |= B43_PHY_PGACTL_LPF;
		b43_phy_write(dev, B43_PHY_PGACTL, pga);
	}
	udelay(21);
	feedthrough = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);

	/* This is a good place to check if we need to relax a bit,
	 * as this is the main function called regularly
	 * in the LO calibration. */
	cond_resched();

	return feedthrough;
}
Exemplo n.º 7
0
void b43_phy_unlock(struct b43_wldev *dev)
{
#if B43_DEBUG
	B43_WARN_ON(!dev->phy.phy_locked);
	dev->phy.phy_locked = false;
#endif
	B43_WARN_ON(dev->dev->core_rev < 3);

	if (!b43_is_mode(dev->wl, NL80211_IFTYPE_AP))
		b43_power_saving_ctl_bits(dev, 0);
}
Exemplo n.º 8
0
static int pio_tx_frame(struct b43_pio_txqueue *q,
			struct sk_buff *skb)
{
	struct b43_wldev *dev = q->dev;
	struct b43_wl *wl = dev->wl;
	struct b43_pio_txpacket *pack;
	u16 cookie;
	int err;
	unsigned int hdrlen;
	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
	struct b43_txhdr *txhdr = (struct b43_txhdr *)wl->pio_scratchspace;

	B43_WARN_ON(list_empty(&q->packets_list));
	pack = list_entry(q->packets_list.next,
			  struct b43_pio_txpacket, list);

	cookie = generate_cookie(q, pack);
	hdrlen = b43_txhdr_size(dev);
	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(struct b43_txhdr));
	B43_WARN_ON(sizeof(wl->pio_scratchspace) < hdrlen);
	err = b43_generate_txhdr(dev, (u8 *)txhdr, skb,
				 info, cookie);
	if (err)
		return err;

	if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
		/* Tell the firmware about the cookie of the last
		 * mcast frame, so it can clear the more-data bit in it. */
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_MCASTCOOKIE, cookie);
	}

	pack->skb = skb;
	if (q->rev >= 8)
		pio_tx_frame_4byte_queue(pack, (const u8 *)txhdr, hdrlen);
	else
		pio_tx_frame_2byte_queue(pack, (const u8 *)txhdr, hdrlen);

	/* Remove it from the list of available packet slots.
	 * It will be put back when we receive the status report. */
	list_del(&pack->list);

	/* Update the queue statistics. */
	q->buffer_used += roundup(skb->len + hdrlen, 4);
	q->free_packet_slots -= 1;

	return 0;
}
Exemplo n.º 9
0
void b43_pio_handle_txstatus(struct b43_wldev *dev,
			     const struct b43_txstatus *status)
{
	struct b43_pio_txqueue *q;
	struct b43_pio_txpacket *pack = NULL;
	unsigned int total_len;
	struct ieee80211_tx_info *info;

	q = parse_cookie(dev, status->cookie, &pack);
	if (unlikely(!q))
		return;
	B43_WARN_ON(!pack);

	info = IEEE80211_SKB_CB(pack->skb);

	b43_fill_txstatus_report(dev, info, status);

	total_len = pack->skb->len + b43_txhdr_size(dev);
	total_len = roundup(total_len, 4);
	q->buffer_used -= total_len;
	q->free_packet_slots += 1;

	ieee80211_tx_status(dev->wl->hw, pack->skb);
	pack->skb = NULL;
	list_add(&pack->list, &q->packets_list);

	if (q->stopped) {
		ieee80211_wake_queue(dev->wl->hw, q->queue_prio);
		q->stopped = 0;
	}
}
Exemplo n.º 10
0
/* Static mapping of mac80211's queues (priorities) to b43 PIO queues. */
static struct b43_pio_txqueue *select_queue_by_priority(struct b43_wldev *dev,
							u8 queue_prio)
{
	struct b43_pio_txqueue *q;

	if (dev->qos_enabled) {
		/* 0 = highest priority */
		switch (queue_prio) {
		default:
			B43_WARN_ON(1);
			/* fallthrough */
		case 0:
			q = dev->pio.tx_queue_AC_VO;
			break;
		case 1:
			q = dev->pio.tx_queue_AC_VI;
			break;
		case 2:
			q = dev->pio.tx_queue_AC_BE;
			break;
		case 3:
			q = dev->pio.tx_queue_AC_BK;
			break;
		}
	} else
		q = dev->pio.tx_queue_AC_BE;

	return q;
}
Exemplo n.º 11
0
/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev,
					bool blocked)
{
	if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
		b43err(dev->wl, "MAC not suspended\n");

	/* In the following PHY ops we copy wl's dummy behaviour.
	 * TODO: Find out if reads (currently hidden in masks/masksets) are
	 * needed and replace following ops with just writes or w&r.
	 * Note: B43_PHY_HT_RF_CTL1 register is tricky, wrong operation can
	 * cause delayed (!) machine lock up. */
	if (blocked) {
		b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
	} else {
		b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
		b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x1);
		b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
		b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x2);

		if (dev->phy.radio_ver == 0x2059)
			b43_radio_2059_init(dev);
		else
			B43_WARN_ON(1);

		b43_switch_channel(dev, dev->phy.channel);
	}
}
Exemplo n.º 12
0
static void free_all_descbuffers(struct b43_dmaring *ring)
{
	struct b43_dmadesc_meta *meta;
	int i;

	if (!ring->used_slots)
		return;
	for (i = 0; i < ring->nr_slots; i++) {
		/* get meta - ignore returned value */
		ring->ops->idx2desc(ring, i, &meta);

		if (!meta->skb || b43_dma_ptr_is_poisoned(meta->skb)) {
			B43_WARN_ON(!ring->tx);
			continue;
		}
		if (ring->tx) {
			unmap_descbuffer(ring, meta->dmaaddr,
					 meta->skb->len, 1);
		} else {
			unmap_descbuffer(ring, meta->dmaaddr,
					 ring->rx_buffersize, 0);
		}
		free_descriptor_buffer(ring, meta);
	}
}
Exemplo n.º 13
0
/* Request a slot for usage. */
static inline int request_slot(struct b43_dmaring *ring)
{
	int slot;

	B43_WARN_ON(!ring->tx);
	B43_WARN_ON(ring->stopped);
	B43_WARN_ON(free_slots(ring) == 0);

	slot = next_slot(ring, ring->current_slot);
	ring->current_slot = slot;
	ring->used_slots++;

	update_max_used_slots(ring, ring->used_slots);

	return slot;
}
Exemplo n.º 14
0
static void op32_fill_descriptor(struct b43_dmaring *ring,
				 struct b43_dmadesc_generic *desc,
				 dma_addr_t dmaaddr, u16 bufsize,
				 int start, int end, int irq)
{
	struct b43_dmadesc32 *descbase = ring->descbase;
	int slot;
	u32 ctl;
	u32 addr;
	u32 addrext;

	slot = (int)(&(desc->dma32) - descbase);
	B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));

	addr = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_LOW);
	addrext = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_EXT);

	ctl = bufsize & B43_DMA32_DCTL_BYTECNT;
	if (slot == ring->nr_slots - 1)
		ctl |= B43_DMA32_DCTL_DTABLEEND;
	if (start)
		ctl |= B43_DMA32_DCTL_FRAMESTART;
	if (end)
		ctl |= B43_DMA32_DCTL_FRAMEEND;
	if (irq)
		ctl |= B43_DMA32_DCTL_IRQ;
	ctl |= (addrext << B43_DMA32_DCTL_ADDREXT_SHIFT)
	    & B43_DMA32_DCTL_ADDREXT_MASK;

	desc->dma32.control = cpu_to_le32(ctl);
	desc->dma32.address = cpu_to_le32(addr);
}
Exemplo n.º 15
0
static inline int next_slot(struct b43_dmaring *ring, int slot)
{
	B43_WARN_ON(!(slot >= -1 && slot <= ring->nr_slots - 1));
	if (slot == ring->nr_slots - 1)
		return 0;
	return slot + 1;
}
Exemplo n.º 16
0
static inline int prev_slot(struct b43_dmaring *ring, int slot)
{
	B43_WARN_ON(!(slot >= 0 && slot <= ring->nr_slots - 1));
	if (slot == 0)
		return ring->nr_slots - 1;
	return slot - 1;
}
Exemplo n.º 17
0
static void op64_fill_descriptor(struct b43_dmaring *ring,
				 struct b43_dmadesc_generic *desc,
				 dma_addr_t dmaaddr, u16 bufsize,
				 int start, int end, int irq)
{
	struct b43_dmadesc64 *descbase = ring->descbase;
	int slot;
	u32 ctl0 = 0, ctl1 = 0;
	u32 addrlo, addrhi;
	u32 addrext;

	slot = (int)(&(desc->dma64) - descbase);
	B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));

	addrlo = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_LOW);
	addrhi = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_HIGH);
	addrext = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_EXT);

	if (slot == ring->nr_slots - 1)
		ctl0 |= B43_DMA64_DCTL0_DTABLEEND;
	if (start)
		ctl0 |= B43_DMA64_DCTL0_FRAMESTART;
	if (end)
		ctl0 |= B43_DMA64_DCTL0_FRAMEEND;
	if (irq)
		ctl0 |= B43_DMA64_DCTL0_IRQ;
	ctl1 |= bufsize & B43_DMA64_DCTL1_BYTECNT;
	ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT)
	    & B43_DMA64_DCTL1_ADDREXT_MASK;

	desc->dma64.control0 = cpu_to_le32(ctl0);
	desc->dma64.control1 = cpu_to_le32(ctl1);
	desc->dma64.address_low = cpu_to_le32(addrlo);
	desc->dma64.address_high = cpu_to_le32(addrhi);
}
Exemplo n.º 18
0
/* Static mapping of mac80211's queues (priorities) to b43 DMA rings. */
static struct b43_dmaring *select_ring_by_priority(struct b43_wldev *dev,
						   u8 queue_prio)
{
	struct b43_dmaring *ring;

	if (dev->qos_enabled) {
		/* 0 = highest priority */
		switch (queue_prio) {
		default:
			B43_WARN_ON(1);
			/* fallthrough */
		case 0:
			ring = dev->dma.tx_ring_AC_VO;
			break;
		case 1:
			ring = dev->dma.tx_ring_AC_VI;
			break;
		case 2:
			ring = dev->dma.tx_ring_AC_BE;
			break;
		case 3:
			ring = dev->dma.tx_ring_AC_BK;
			break;
		}
	} else
		ring = dev->dma.tx_ring_AC_BE;

	return ring;
}
Exemplo n.º 19
0
Arquivo: phy_a.c Projeto: E-LLP/n900
void b43_phy_inita(struct b43_wldev *dev)
{
	struct ssb_bus *bus = dev->dev->bus;
	struct b43_phy *phy = &dev->phy;

	/* This lowlevel A-PHY init is also called from G-PHY init.
	 * So we must not access phy->a, if called from G-PHY code.
	 */
	B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
		    (phy->type != B43_PHYTYPE_G));

	might_sleep();

	if (phy->rev >= 6) {
		if (phy->type == B43_PHYTYPE_A)
			b43_phy_write(dev, B43_PHY_OFDM(0x1B),
				b43_phy_read(dev, B43_PHY_OFDM(0x1B)) & ~0x1000);
		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
			b43_phy_write(dev, B43_PHY_ENCORE,
				b43_phy_read(dev, B43_PHY_ENCORE) | 0x0010);
		else
			b43_phy_write(dev, B43_PHY_ENCORE,
				b43_phy_read(dev, B43_PHY_ENCORE) & ~0x1010);
	}

	b43_wa_all(dev);

	if (phy->type == B43_PHYTYPE_A) {
		if (phy->gmode && (phy->rev < 3))
			b43_phy_write(dev, 0x0034,
				b43_phy_read(dev, 0x0034) | 0x0001);
		b43_phy_rssiagc(dev, 0);

		b43_phy_write(dev, B43_PHY_CRS0,
			b43_phy_read(dev, B43_PHY_CRS0) | B43_PHY_CRS0_EN);

		b43_radio_init2060(dev);

		if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
		    ((bus->boardinfo.type == SSB_BOARD_BU4306) ||
		     (bus->boardinfo.type == SSB_BOARD_BU4309))) {
			; //TODO: A PHY LO
		}

		if (phy->rev >= 3)
			b43_phy_ww(dev);

		hardware_pctl_init_aphy(dev);

		//TODO: radar detection
	}

	if ((phy->type == B43_PHYTYPE_G) &&
	    (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)) {
		b43_phy_write(dev, B43_PHY_OFDM(0x6E),
				  (b43_phy_read(dev, B43_PHY_OFDM(0x6E))
				   & 0xE000) | 0x3CF);
	}
}
Exemplo n.º 20
0
static inline
    void sync_descbuffer_for_device(struct b43_dmaring *ring,
				    dma_addr_t addr, size_t len)
{
	B43_WARN_ON(ring->tx);
	dma_sync_single_for_device(ring->dev->dev->dma_dev,
				   addr, len, DMA_FROM_DEVICE);
}
Exemplo n.º 21
0
static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
}
Exemplo n.º 22
0
static int pio_tx_frame(struct b43_pio_txqueue *q,
			struct sk_buff *skb)
{
	struct b43_wldev *dev = q->dev;
	struct b43_wl *wl = dev->wl;
	struct b43_pio_txpacket *pack;
	u16 cookie;
	int err;
	unsigned int hdrlen;
	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
	struct b43_txhdr *txhdr = (struct b43_txhdr *)wl->pio_scratchspace;

	B43_WARN_ON(list_empty(&q->packets_list));
	pack = list_entry(q->packets_list.next,
			  struct b43_pio_txpacket, list);

	cookie = generate_cookie(q, pack);
	hdrlen = b43_txhdr_size(dev);
	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(struct b43_txhdr));
	B43_WARN_ON(sizeof(wl->pio_scratchspace) < hdrlen);
	err = b43_generate_txhdr(dev, (u8 *)txhdr, skb,
				 info, cookie);
	if (err)
		return err;

	if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_MCASTCOOKIE, cookie);
	}

	pack->skb = skb;
	if (q->rev >= 8)
		pio_tx_frame_4byte_queue(pack, (const u8 *)txhdr, hdrlen);
	else
		pio_tx_frame_2byte_queue(pack, (const u8 *)txhdr, hdrlen);

	list_del(&pack->list);

	
	q->buffer_used += roundup(skb->len + hdrlen, 4);
	q->free_packet_slots -= 1;

	return 0;
}
Exemplo n.º 23
0
static u16 generate_cookie(struct b43_dmaring *ring, int slot)
{
	u16 cookie;

	cookie = (((u16)ring->index + 1) << 12);
	B43_WARN_ON(slot & ~0x0FFF);
	cookie |= (u16)slot;

	return cookie;
}
Exemplo n.º 24
0
static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);
	/* A-PHY needs 0x40 for read access */
	reg |= 0x40;

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
}
Exemplo n.º 25
0
void b43_dma_rx(struct b43_dmaring *ring)
{
	const struct b43_dma_ops *ops = ring->ops;
	int slot, current_slot;
	int used_slots = 0;

	B43_WARN_ON(ring->tx);
	current_slot = ops->get_current_rxslot(ring);
	B43_WARN_ON(!(current_slot >= 0 && current_slot < ring->nr_slots));

	slot = ring->current_slot;
	for (; slot != current_slot; slot = next_slot(ring, slot)) {
		dma_rx(ring, &slot);
		update_max_used_slots(ring, ++used_slots);
	}
	wmb();
	ops->set_current_rxslot(ring, slot);
	ring->current_slot = slot;
}
Exemplo n.º 26
0
static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
	
	B43_WARN_ON(reg == 1);
	
	reg |= 0x40;

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
}
Exemplo n.º 27
0
static enum b43_dmatype dma_mask_to_engine_type(u64 dmamask)
{
	if (dmamask == DMA_BIT_MASK(30))
		return B43_DMA_30BIT;
	if (dmamask == DMA_BIT_MASK(32))
		return B43_DMA_32BIT;
	if (dmamask == DMA_BIT_MASK(64))
		return B43_DMA_64BIT;
	B43_WARN_ON(1);
	return B43_DMA_30BIT;
}
Exemplo n.º 28
0
void r2057_get_chantabent_rev7(struct b43_wldev *dev, u16 freq,
			       const struct b43_nphy_chantabent_rev7 **tabent_r7,
			       const struct b43_nphy_chantabent_rev7_2g **tabent_r7_2g)
{
	struct b43_phy *phy = &dev->phy;
	const struct b43_nphy_chantabent_rev7 *e_r7 = NULL;
	const struct b43_nphy_chantabent_rev7_2g *e_r7_2g = NULL;
	unsigned int len, i;

	*tabent_r7 = NULL;
	*tabent_r7_2g = NULL;

	switch (phy->rev) {
	case 8:
		if (phy->radio_rev == 5) {
			e_r7_2g = b43_nphy_chantab_phy_rev8_radio_rev5;
			len = ARRAY_SIZE(b43_nphy_chantab_phy_rev8_radio_rev5);
		}
		break;
	case 16:
		if (phy->radio_rev == 9) {
			e_r7 = b43_nphy_chantab_phy_rev16_radio_rev9;
			len = ARRAY_SIZE(b43_nphy_chantab_phy_rev16_radio_rev9);
		}
		break;
	case 17:
		if (phy->radio_rev == 14) {
			e_r7_2g = b43_nphy_chantab_phy_rev17_radio_rev14;
			len = ARRAY_SIZE(b43_nphy_chantab_phy_rev17_radio_rev14);
		}
		break;
	default:
		break;
	}

	if (e_r7) {
		for (i = 0; i < len; i++, e_r7++) {
			if (e_r7->freq == freq) {
				*tabent_r7 = e_r7;
				return;
			}
		}
	} else if (e_r7_2g) {
		for (i = 0; i < len; i++, e_r7_2g++) {
			if (e_r7_2g->freq == freq) {
				*tabent_r7_2g = e_r7_2g;
				return;
			}
		}
	} else {
		B43_WARN_ON(1);
	}
}
Exemplo n.º 29
0
void b43_lcntab_write_bulk(struct b43_wldev *dev, u32 offset,
			   unsigned int nr_elements, const void *_data)
{
	u32 type, value;
	const u8 *data = _data;
	unsigned int i;

	type = offset & B43_LCNTAB_TYPEMASK;
	offset &= ~B43_LCNTAB_TYPEMASK;
	B43_WARN_ON(offset > 0xFFFF);

	b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);

	for (i = 0; i < nr_elements; i++) {
		switch (type) {
		case B43_LCNTAB_8BIT:
			value = *data;
			data++;
			B43_WARN_ON(value & ~0xFF);
			b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value);
			break;
		case B43_LCNTAB_16BIT:
			value = *((u16 *)data);
			data += 2;
			B43_WARN_ON(value & ~0xFFFF);
			b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value);
			break;
		case B43_LCNTAB_32BIT:
			value = *((u32 *)data);
			data += 4;
			b43_phy_write(dev, B43_PHY_LCN_TABLE_DATAHI,
				      value >> 16);
			b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO,
				      value & 0xFFFF);
			break;
		default:
			B43_WARN_ON(1);
		}
	}
}
Exemplo n.º 30
0
void b43_lcntab_read_bulk(struct b43_wldev *dev, u32 offset,
			  unsigned int nr_elements, void *_data)
{
	u32 type;
	u8 *data = _data;
	unsigned int i;

	type = offset & B43_LCNTAB_TYPEMASK;
	offset &= ~B43_LCNTAB_TYPEMASK;
	B43_WARN_ON(offset > 0xFFFF);

	b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);

	for (i = 0; i < nr_elements; i++) {
		switch (type) {
		case B43_LCNTAB_8BIT:
			*data = b43_phy_read(dev,
					     B43_PHY_LCN_TABLE_DATALO) & 0xFF;
			data++;
			break;
		case B43_LCNTAB_16BIT:
			*((u16 *)data) = b43_phy_read(dev,
						      B43_PHY_LCN_TABLE_DATALO);
			data += 2;
			break;
		case B43_LCNTAB_32BIT:
			*((u32 *)data) = b43_phy_read(dev,
						      B43_PHY_LCN_TABLE_DATAHI);
			*((u32 *)data) <<= 16;
			*((u32 *)data) |= b43_phy_read(dev,
						B43_PHY_LCN_TABLE_DATALO);
			data += 4;
			break;
		default:
			B43_WARN_ON(1);
		}
	}
}