diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 19:21:56 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 19:21:56 -0800 |
commit | 7677ced48e2bbbb8d847d34f37e5d96d2b0e41e4 (patch) | |
tree | 0a859f403c02eb854d9ffa11bd17f77056891d07 /drivers/net/cxgb3/ael1002.c | |
parent | 21d37bbc65e39a26856de6b14be371ff24e0d03f (diff) | |
parent | ac38dfc39e7684f55174742e5f0d6c5a0093bbf6 (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: (116 commits)
sk98lin: planned removal
AT91: MACB support
sky2: version 1.12
sky2: add new chip ids
sky2: Yukon Extreme support
sky2: safer transmit timeout
sky2: TSO support for EC_U
sky2: use dev_err for error reports
sky2: add Wake On Lan support
fix unaligned exception in /drivers/net/wireless/orinoco.c
Remove unused kernel config option DLCI_COUNT
z85230: spinlock logic
mips: declance: Driver model for the PMAD-A
Spidernet: Rework RX linked list
NET: turn local_save_flags() + local_irq_disable() into local_irq_save()
NET-3c59x: turn local_save_flags() + local_irq_disable() into local_irq_save()
hp100: convert pci_module_init() to pci_register_driver()
NetXen: Added ethtool support for user level tools.
NetXen: Firmware crb init changes.
maintainers: add atl1 maintainers
...
Diffstat (limited to 'drivers/net/cxgb3/ael1002.c')
-rw-r--r-- | drivers/net/cxgb3/ael1002.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c new file mode 100644 index 00000000000..73a41e6a5bf --- /dev/null +++ b/drivers/net/cxgb3/ael1002.c @@ -0,0 +1,251 @@ +/* + * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "common.h" +#include "regs.h" + +enum { + AEL100X_TX_DISABLE = 9, + AEL100X_TX_CONFIG1 = 0xc002, + AEL1002_PWR_DOWN_HI = 0xc011, + AEL1002_PWR_DOWN_LO = 0xc012, + AEL1002_XFI_EQL = 0xc015, + AEL1002_LB_EN = 0xc017, + + LASI_CTRL = 0x9002, + LASI_STAT = 0x9005 +}; + +static void ael100x_txon(struct cphy *phy) +{ + int tx_on_gpio = phy->addr == 0 ? F_GPIO7_OUT_VAL : F_GPIO2_OUT_VAL; + + msleep(100); + t3_set_reg_field(phy->adapter, A_T3DBG_GPIO_EN, 0, tx_on_gpio); + msleep(30); +} + +static int ael1002_power_down(struct cphy *phy, int enable) +{ + int err; + + err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL100X_TX_DISABLE, !!enable); + if (!err) + err = t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR, + BMCR_PDOWN, enable ? BMCR_PDOWN : 0); + return err; +} + +static int ael1002_reset(struct cphy *phy, int wait) +{ + int err; + + if ((err = ael1002_power_down(phy, 0)) || + (err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL100X_TX_CONFIG1, 1)) || + (err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL1002_PWR_DOWN_HI, 0)) || + (err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL1002_PWR_DOWN_LO, 0)) || + (err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL1002_XFI_EQL, 0x18)) || + (err = t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, AEL1002_LB_EN, + 0, 1 << 5))) + return err; + return 0; +} + +static int ael1002_intr_noop(struct cphy *phy) +{ + return 0; +} + +static int ael100x_get_link_status(struct cphy *phy, int *link_ok, + int *speed, int *duplex, int *fc) +{ + if (link_ok) { + unsigned int status; + int err = mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, &status); + + /* + * BMSR_LSTATUS is latch-low, so if it is 0 we need to read it + * once more to get the current link state. + */ + if (!err && !(status & BMSR_LSTATUS)) + err = mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, + &status); + if (err) + return err; + *link_ok = !!(status & BMSR_LSTATUS); + } + if (speed) + *speed = SPEED_10000; + if (duplex) + *duplex = DUPLEX_FULL; + return 0; +} + +static struct cphy_ops ael1002_ops = { + .reset = ael1002_reset, + .intr_enable = ael1002_intr_noop, + .intr_disable = ael1002_intr_noop, + .intr_clear = ael1002_intr_noop, + .intr_handler = ael1002_intr_noop, + .get_link_status = ael100x_get_link_status, + .power_down = ael1002_power_down, +}; + +void t3_ael1002_phy_prep(struct cphy *phy, struct adapter *adapter, + int phy_addr, const struct mdio_ops *mdio_ops) +{ + cphy_init(phy, adapter, phy_addr, &ael1002_ops, mdio_ops); + ael100x_txon(phy); +} + +static int ael1006_reset(struct cphy *phy, int wait) +{ + return t3_phy_reset(phy, MDIO_DEV_PMA_PMD, wait); +} + +static int ael1006_intr_enable(struct cphy *phy) +{ + return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 1); +} + +static int ael1006_intr_disable(struct cphy *phy) +{ + return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 0); +} + +static int ael1006_intr_clear(struct cphy *phy) +{ + u32 val; + + return mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &val); +} + +static int ael1006_intr_handler(struct cphy *phy) +{ + unsigned int status; + int err = mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &status); + + if (err) + return err; + return (status & 1) ? cphy_cause_link_change : 0; +} + +static int ael1006_power_down(struct cphy *phy, int enable) +{ + return t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR, + BMCR_PDOWN, enable ? BMCR_PDOWN : 0); +} + +static struct cphy_ops ael1006_ops = { + .reset = ael1006_reset, + .intr_enable = ael1006_intr_enable, + .intr_disable = ael1006_intr_disable, + .intr_clear = ael1006_intr_clear, + .intr_handler = ael1006_intr_handler, + .get_link_status = ael100x_get_link_status, + .power_down = ael1006_power_down, +}; + +void t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter, + int phy_addr, const struct mdio_ops *mdio_ops) +{ + cphy_init(phy, adapter, phy_addr, &ael1006_ops, mdio_ops); + ael100x_txon(phy); +} + +static struct cphy_ops qt2045_ops = { + .reset = ael1006_reset, + .intr_enable = ael1006_intr_enable, + .intr_disable = ael1006_intr_disable, + .intr_clear = ael1006_intr_clear, + .intr_handler = ael1006_intr_handler, + .get_link_status = ael100x_get_link_status, + .power_down = ael1006_power_down, +}; + +void t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter, + int phy_addr, const struct mdio_ops *mdio_ops) +{ + unsigned int stat; + + cphy_init(phy, adapter, phy_addr, &qt2045_ops, mdio_ops); + + /* + * Some cards where the PHY is supposed to be at address 0 actually + * have it at 1. + */ + if (!phy_addr && !mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, &stat) && + stat == 0xffff) + phy->addr = 1; +} + +static int xaui_direct_reset(struct cphy *phy, int wait) +{ + return 0; +} + +static int xaui_direct_get_link_status(struct cphy *phy, int *link_ok, + int *speed, int *duplex, int *fc) +{ + if (link_ok) { + unsigned int status; + + status = t3_read_reg(phy->adapter, + XGM_REG(A_XGM_SERDES_STAT0, phy->addr)); + *link_ok = !(status & F_LOWSIG0); + } + if (speed) + *speed = SPEED_10000; + if (duplex) + *duplex = DUPLEX_FULL; + return 0; +} + +static int xaui_direct_power_down(struct cphy *phy, int enable) +{ + return 0; +} + +static struct cphy_ops xaui_direct_ops = { + .reset = xaui_direct_reset, + .intr_enable = ael1002_intr_noop, + .intr_disable = ael1002_intr_noop, + .intr_clear = ael1002_intr_noop, + .intr_handler = ael1002_intr_noop, + .get_link_status = xaui_direct_get_link_status, + .power_down = xaui_direct_power_down, +}; + +void t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter, + int phy_addr, const struct mdio_ops *mdio_ops) +{ + cphy_init(phy, adapter, 1, &xaui_direct_ops, mdio_ops); +} |