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author | David Howells <dhowells@redhat.com> | 2006-12-05 17:37:56 +0300 |
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committer | David Howells <dhowells@warthog.cambridge.redhat.com> | 2006-12-05 17:37:56 +0300 |
commit | 4c1ac1b49122b805adfa4efc620592f68dccf5db (patch) | |
tree | 87557f4bc2fd4fe65b7570489c2f610c45c0adcd /drivers/net/chelsio/my3126.c | |
parent | c4028958b6ecad064b1a6303a6a5906d4fe48d73 (diff) | |
parent | d916faace3efc0bf19fe9a615a1ab8fa1a24cd93 (diff) | |
download | linux-4c1ac1b49122b805adfa4efc620592f68dccf5db.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/infiniband/core/iwcm.c
drivers/net/chelsio/cxgb2.c
drivers/net/wireless/bcm43xx/bcm43xx_main.c
drivers/net/wireless/prism54/islpci_eth.c
drivers/usb/core/hub.h
drivers/usb/input/hid-core.c
net/core/netpoll.c
Fix up merge failures with Linus's head and fix new compilation failures.
Signed-Off-By: David Howells <dhowells@redhat.com>
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 000000000000..0b90014d5b3e --- /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 +}; |