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/* $Date: 2005/11/12 02:13:49 $ $RCSfile: my3126.c,v $ $Revision: 1.15 $ */
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#include "suni1x10gexp_regs.h"
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static int my3126_reset(struct cphy *cphy, int wait)
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* This can be done through registers. It is not required since
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* a full chip reset is used.
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static int my3126_interrupt_enable(struct cphy *cphy)
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schedule_delayed_work(&cphy->phy_update, HZ/30);
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t1_tpi_read(cphy->adapter, A_ELMER0_GPO, &cphy->elmer_gpo);
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static int my3126_interrupt_disable(struct cphy *cphy)
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cancel_rearming_delayed_work(&cphy->phy_update);
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static int my3126_interrupt_clear(struct cphy *cphy)
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#define OFFSET(REG_ADDR) (REG_ADDR << 2)
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static int my3126_interrupt_handler(struct cphy *cphy)
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adapter = cphy->adapter;
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if (cphy->count == 50) {
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cphy_mdio_read(cphy, MDIO_MMD_PMAPMD, MDIO_STAT1, &val);
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status = cphy->bmsr ^ val16;
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if (status & MDIO_STAT1_LSTATUS)
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t1_link_changed(adapter, 0);
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/* We have only enabled link change interrupts so it
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t1_tpi_write(adapter, OFFSET(SUNI1x10GEXP_REG_MSTAT_CONTROL),
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SUNI1x10GEXP_BITMSK_MSTAT_SNAP);
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OFFSET(SUNI1x10GEXP_REG_MSTAT_COUNTER_1_LOW), &act_count);
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OFFSET(SUNI1x10GEXP_REG_MSTAT_COUNTER_33_LOW), &val);
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/* Populate elmer_gpo with the register value */
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t1_tpi_read(adapter, A_ELMER0_GPO, &val);
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cphy->elmer_gpo = val;
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if ( (val & (1 << 8)) || (val & (1 << 19)) ||
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(cphy->act_count == act_count) || cphy->act_on ) {
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else if (t1_is_T1B(adapter))
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else if (t1_is_T1B(adapter))
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t1_tpi_write(adapter, A_ELMER0_GPO, val);
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cphy->elmer_gpo = val;
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cphy->act_count = act_count;
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return cphy_cause_link_change;
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static void my3216_poll(struct work_struct *work)
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struct cphy *cphy = container_of(work, struct cphy, phy_update.work);
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my3126_interrupt_handler(cphy);
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static int my3126_set_loopback(struct cphy *cphy, int on)
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/* To check the activity LED */
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static int my3126_get_link_status(struct cphy *cphy,
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int *link_ok, int *speed, int *duplex, int *fc)
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adapter = cphy->adapter;
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cphy_mdio_read(cphy, MDIO_MMD_PMAPMD, MDIO_STAT1, &val);
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/* Populate elmer_gpo with the register value */
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t1_tpi_read(adapter, A_ELMER0_GPO, &val);
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cphy->elmer_gpo = val;
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*link_ok = (val16 & MDIO_STAT1_LSTATUS);
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/* Turn on the LED. */
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else if (t1_is_T1B(adapter))
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/* Turn off the LED. */
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else if (t1_is_T1B(adapter))
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t1_tpi_write(adapter, A_ELMER0_GPO, val);
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cphy->elmer_gpo = val;
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*speed = SPEED_10000;
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*duplex = DUPLEX_FULL;
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/* need to add flow control */
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*fc = PAUSE_RX | PAUSE_TX;
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static void my3126_destroy(struct cphy *cphy)
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static struct cphy_ops my3126_ops = {
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.destroy = my3126_destroy,
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.reset = my3126_reset,
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.interrupt_enable = my3126_interrupt_enable,
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.interrupt_disable = my3126_interrupt_disable,
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.interrupt_clear = my3126_interrupt_clear,
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.interrupt_handler = my3126_interrupt_handler,
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.get_link_status = my3126_get_link_status,
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.set_loopback = my3126_set_loopback,
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.mmds = (MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS |
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static struct cphy *my3126_phy_create(struct net_device *dev,
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int phy_addr, const struct mdio_ops *mdio_ops)
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struct cphy *cphy = kzalloc(sizeof (*cphy), GFP_KERNEL);
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cphy_init(cphy, dev, phy_addr, &my3126_ops, mdio_ops);
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INIT_DELAYED_WORK(&cphy->phy_update, my3216_poll);
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static int my3126_phy_reset(adapter_t * adapter)
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t1_tpi_read(adapter, A_ELMER0_GPO, &val);
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t1_tpi_write(adapter, A_ELMER0_GPO, val);
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t1_tpi_write(adapter, A_ELMER0_GPO, val | 4);
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/* Now lets enable the Laser. Delay 100us */
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t1_tpi_read(adapter, A_ELMER0_GPO, &val);
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t1_tpi_write(adapter, A_ELMER0_GPO, val);
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const struct gphy t1_my3126_ops = {
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.create = my3126_phy_create,
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.reset = my3126_phy_reset