diff options
| author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-02 15:08:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-02 15:08:32 -0800 |
| commit | 97be852f81c5bb114aab31974af2c061eb86a6de (patch) | |
| tree | 701a9c88eef7fc3692150f5dd7edb226a6089173 /drivers/net/chelsio/my3126.c | |
| parent | cdb54fac35812a21943f0e506e8e3b94b469a77c (diff) | |
| parent | aae343d493df965ac3abec1bd97cccfe44a7d920 (diff) | |
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (118 commits)
[netdrvr] skge: build fix
[PATCH] NetXen: driver cleanup, removed unnecessary __iomem type casts
[PATCH] PHY: Add support for configuring the PHY connection interface
[PATCH] chelesio: transmit locking (plus bug fix).
[PATCH] chelsio: statistics improvement
[PATCH] chelsio: add MSI support
[PATCH] chelsio: use standard CRC routines
[PATCH] chelsio: cleanup pm3393 code
[PATCH] chelsio: add 1G swcixw aupport
[PATCH] chelsio: add support for other 10G boards
[PATCH] chelsio: remove unused mutex
[PATCH] chelsio: use kzalloc
[PATCH] chelsio: whitespace fixes
[PATCH] amd8111e use standard CRC lib
[PATCH] sky2: msi enhancements.
[PATCH] sky2: kfree_skb_any needed
[PATCH] sky2: fixes for Yukon EC_U chip revisions
[PATCH] sky2: add Dlink 560SX id
[PATCH] sky2: receive error handling fix
[PATCH] skge: don't clear MC state on link down
...
Diffstat (limited to 'drivers/net/chelsio/my3126.c')
| -rw-r--r-- | drivers/net/chelsio/my3126.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/drivers/net/chelsio/my3126.c b/drivers/net/chelsio/my3126.c new file mode 100644 index 00000000000..0b90014d5b3 --- /dev/null +++ b/drivers/net/chelsio/my3126.c @@ -0,0 +1,204 @@ +/* $Date: 2005/11/12 02:13:49 $ $RCSfile: my3126.c,v $ $Revision: 1.15 $ */ +#include "cphy.h" +#include "elmer0.h" +#include "suni1x10gexp_regs.h" + +/* Port Reset */ +static int my3126_reset(struct cphy *cphy, int wait) +{ + /* + * This can be done through registers. It is not required since + * a full chip reset is used. + */ + return (0); +} + +static int my3126_interrupt_enable(struct cphy *cphy) +{ + schedule_delayed_work(&cphy->phy_update, HZ/30); + t1_tpi_read(cphy->adapter, A_ELMER0_GPO, &cphy->elmer_gpo); + return (0); +} + +static int my3126_interrupt_disable(struct cphy *cphy) +{ + cancel_rearming_delayed_work(&cphy->phy_update); + return (0); +} + +static int my3126_interrupt_clear(struct cphy *cphy) +{ + return (0); +} + +#define OFFSET(REG_ADDR) (REG_ADDR << 2) + +static int my3126_interrupt_handler(struct cphy *cphy) +{ + u32 val; + u16 val16; + u16 status; + u32 act_count; + adapter_t *adapter; + adapter = cphy->adapter; + + if (cphy->count == 50) { + mdio_read(cphy, 0x1, 0x1, &val); + val16 = (u16) val; + status = cphy->bmsr ^ val16; + + if (status & BMSR_LSTATUS) + t1_link_changed(adapter, 0); + cphy->bmsr = val16; + + /* We have only enabled link change interrupts so it + must be that + */ + cphy->count = 0; + } + + t1_tpi_write(adapter, OFFSET(SUNI1x10GEXP_REG_MSTAT_CONTROL), + SUNI1x10GEXP_BITMSK_MSTAT_SNAP); + t1_tpi_read(adapter, + OFFSET(SUNI1x10GEXP_REG_MSTAT_COUNTER_1_LOW), &act_count); + t1_tpi_read(adapter, + OFFSET(SUNI1x10GEXP_REG_MSTAT_COUNTER_33_LOW), &val); + act_count += val; + + /* Populate elmer_gpo with the register value */ + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + cphy->elmer_gpo = val; + + if ( (val & (1 << 8)) || (val & (1 << 19)) || + (cphy->act_count == act_count) || cphy->act_on ) { + if (is_T2(adapter)) + val |= (1 << 9); + else if (t1_is_T1B(adapter)) + val |= (1 << 20); + cphy->act_on = 0; + } else { + if (is_T2(adapter)) + val &= ~(1 << 9); + else if (t1_is_T1B(adapter)) + val &= ~(1 << 20); + cphy->act_on = 1; + } + + t1_tpi_write(adapter, A_ELMER0_GPO, val); + + cphy->elmer_gpo = val; + cphy->act_count = act_count; + cphy->count++; + + return cphy_cause_link_change; +} + +static void my3216_poll(void *arg) +{ + my3126_interrupt_handler(arg); +} + +static int my3126_set_loopback(struct cphy *cphy, int on) +{ + return (0); +} + +/* To check the activity LED */ +static int my3126_get_link_status(struct cphy *cphy, + int *link_ok, int *speed, int *duplex, int *fc) +{ + u32 val; + u16 val16; + adapter_t *adapter; + + adapter = cphy->adapter; + mdio_read(cphy, 0x1, 0x1, &val); + val16 = (u16) val; + + /* Populate elmer_gpo with the register value */ + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + cphy->elmer_gpo = val; + + *link_ok = (val16 & BMSR_LSTATUS); + + if (*link_ok) { + /* Turn on the LED. */ + if (is_T2(adapter)) + val &= ~(1 << 8); + else if (t1_is_T1B(adapter)) + val &= ~(1 << 19); + } else { + /* Turn off the LED. */ + if (is_T2(adapter)) + val |= (1 << 8); + else if (t1_is_T1B(adapter)) + val |= (1 << 19); + } + + t1_tpi_write(adapter, A_ELMER0_GPO, val); + cphy->elmer_gpo = val; + *speed = SPEED_10000; + *duplex = DUPLEX_FULL; + + /* need to add flow control */ + if (fc) + *fc = PAUSE_RX | PAUSE_TX; + + return (0); +} + +static void my3126_destroy(struct cphy *cphy) +{ + kfree(cphy); +} + +static struct cphy_ops my3126_ops = { + .destroy = my3126_destroy, + .reset = my3126_reset, + .interrupt_enable = my3126_interrupt_enable, + .interrupt_disable = my3126_interrupt_disable, + .interrupt_clear = my3126_interrupt_clear, + .interrupt_handler = my3126_interrupt_handler, + .get_link_status = my3126_get_link_status, + .set_loopback = my3126_set_loopback, +}; + +static struct cphy *my3126_phy_create(adapter_t *adapter, + int phy_addr, struct mdio_ops *mdio_ops) +{ + struct cphy *cphy = kzalloc(sizeof (*cphy), GFP_KERNEL); + + if (cphy) + cphy_init(cphy, adapter, phy_addr, &my3126_ops, mdio_ops); + + INIT_WORK(&cphy->phy_update, my3216_poll, cphy); + cphy->bmsr = 0; + + return (cphy); +} + +/* Chip Reset */ +static int my3126_phy_reset(adapter_t * adapter) +{ + u32 val; + + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~4; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + msleep(100); + + t1_tpi_write(adapter, A_ELMER0_GPO, val | 4); + msleep(1000); + + /* Now lets enable the Laser. Delay 100us */ + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= 0x8000; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(100); + return (0); +} + +struct gphy t1_my3126_ops = { + my3126_phy_create, + my3126_phy_reset +}; |
