| /* $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(struct work_struct *work) |
| { |
| struct cphy *cphy = container_of(work, struct cphy, phy_update.work); |
| |
| my3126_interrupt_handler(cphy); |
| } |
| |
| 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) |
| return NULL; |
| |
| cphy_init(cphy, adapter, phy_addr, &my3126_ops, mdio_ops); |
| INIT_DELAYED_WORK(&cphy->phy_update, my3216_poll); |
| 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 |
| }; |