IgH源码:ethercat-e1000e-5.10.tar.gz

/******************************************************************************* Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. The full GNU General Public License is included in this distribution in the file called LICENSE. Contact Information: Linux NICS <linux.nics@intel.com> e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ /* e1000_hw.c * Shared functions for accessing and configuring the MAC */ #include "e1000_hw-2.6.18-ethercat.h" static int32_t e1000_set_phy_type(struct e1000_hw *hw); static void e1000_phy_init_script(struct e1000_hw *hw); static int32_t e1000_setup_copper_link(struct e1000_hw *hw); static int32_t e1000_setup_fiber_serdes_link(struct e1000_hw *hw); static int32_t e1000_adjust_serdes_amplitude(struct e1000_hw *hw); static int32_t e1000_phy_force_speed_duplex(struct e1000_hw *hw); static int32_t e1000_config_mac_to_phy(struct e1000_hw *hw); static void e1000_raise_mdi_clk(struct e1000_hw *hw, uint32_t *ctrl); static void e1000_lower_mdi_clk(struct e1000_hw *hw, uint32_t *ctrl); static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, uint32_t data, uint16_t count); static uint16_t e1000_shift_in_mdi_bits(struct e1000_hw *hw); static int32_t e1000_phy_reset_dsp(struct e1000_hw *hw); static int32_t e1000_write_eeprom_spi(struct e1000_hw *hw, uint16_t offset, uint16_t words, uint16_t *data); static int32_t e1000_write_eeprom_microwire(struct e1000_hw *hw, uint16_t offset, uint16_t words, uint16_t *data); static int32_t e1000_spi_eeprom_ready(struct e1000_hw *hw); static void e1000_raise_ee_clk(struct e1000_hw *hw, uint32_t *eecd); static void e1000_lower_ee_clk(struct e1000_hw *hw, uint32_t *eecd); static void e1000_shift_out_ee_bits(struct e1000_hw *hw, uint16_t data, uint16_t count); static int32_t e1000_write_phy_reg_ex(struct e1000_hw *hw, uint32_t reg_addr, uint16_t phy_data); static int32_t e1000_read_phy_reg_ex(struct e1000_hw *hw,uint32_t reg_addr, uint16_t *phy_data); static uint16_t e1000_shift_in_ee_bits(struct e1000_hw *hw, uint16_t count); static int32_t e1000_acquire_eeprom(struct e1000_hw *hw); static void e1000_release_eeprom(struct e1000_hw *hw); static void e1000_standby_eeprom(struct e1000_hw *hw); static int32_t e1000_set_vco_speed(struct e1000_hw *hw); static int32_t e1000_polarity_reversal_workaround(struct e1000_hw *hw); static int32_t e1000_set_phy_mode(struct e1000_hw *hw); static int32_t e1000_host_if_read_cookie(struct e1000_hw *hw, uint8_t *buffer); static uint8_t e1000_calculate_mng_checksum(char *buffer, uint32_t length); static uint8_t e1000_arc_subsystem_valid(struct e1000_hw *hw); static int32_t e1000_check_downshift(struct e1000_hw *hw); static int32_t e1000_check_polarity(struct e1000_hw *hw, uint16_t *polarity); static void e1000_clear_hw_cntrs(struct e1000_hw *hw); static void e1000_clear_vfta(struct e1000_hw *hw); static int32_t e1000_commit_shadow_ram(struct e1000_hw *hw); static int32_t e1000_config_dsp_after_link_change(struct e1000_hw *hw, boolean_t link_up); static int32_t e1000_config_fc_after_link_up(struct e1000_hw *hw); static int32_t e1000_detect_gig_phy(struct e1000_hw *hw); static int32_t e1000_get_auto_rd_done(struct e1000_hw *hw); static int32_t e1000_get_cable_length(struct e1000_hw *hw, uint16_t *min_length, uint16_t *max_length); static int32_t e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw); static int32_t e1000_get_phy_cfg_done(struct e1000_hw *hw); static int32_t e1000_id_led_init(struct e1000_hw * hw); static void e1000_init_rx_addrs(struct e1000_hw *hw); static boolean_t e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw); static int32_t e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd); static void e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw); static int32_t e1000_read_eeprom_eerd(struct e1000_hw *hw, uint16_t offset, uint16_t words, uint16_t *data); static int32_t e1000_set_d0_lplu_state(struct e1000_hw *hw, boolean_t active); static int32_t e1000_set_d3_lplu_state(struct e1000_hw *hw, boolean_t active); static int32_t e1000_wait_autoneg(struct e1000_hw *hw); static void e1000_write_reg_io(struct e1000_hw *hw, uint32_t offset, uint32_t value); #define E1000_WRITE_REG_IO(a, reg, val) \ e1000_write_reg_io((a), E1000_##reg, val) static int32_t e1000_configure_kmrn_for_10_100(struct e1000_hw *hw, uint16_t duplex); static int32_t e1000_configure_kmrn_for_1000(struct e1000_hw *hw); static int32_t e1000_erase_ich8_4k_segment(struct e1000_hw *hw, uint32_t segment); static int32_t e1000_get_software_flag(struct e1000_hw *hw); static int32_t e1000_get_software_semaphore(struct e1000_hw *hw); static int32_t e1000_init_lcd_from_nvm(struct e1000_hw *hw); static int32_t e1000_kumeran_lock_loss_workaround(struct e1000_hw *hw); static int32_t e1000_read_eeprom_ich8(struct e1000_hw *hw, uint16_t offset, uint16_t words, uint16_t *data); static int32_t e1000_read_ich8_byte(struct e1000_hw *hw, uint32_t index, uint8_t* data); static int32_t e1000_read_ich8_word(struct e1000_hw *hw, uint32_t index, uint16_t *data); static int32_t e1000_read_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t *data); static void e1000_release_software_flag(struct e1000_hw *hw); static void e1000_release_software_semaphore(struct e1000_hw *hw); static int32_t e1000_set_pci_ex_no_snoop(struct e1000_hw *hw, uint32_t no_snoop); static int32_t e1000_verify_write_ich8_byte(struct e1000_hw *hw, uint32_t index, uint8_t byte); static int32_t e1000_write_eeprom_ich8(struct e1000_hw *hw, uint16_t offset, uint16_t words, uint16_t *data); static int32_t e1000_write_ich8_byte(struct e1000_hw *hw, uint32_t index, uint8_t data); static int32_t e1000_write_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t data); /* IGP cable length table */ static const uint16_t e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] = { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25, 25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40, 40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60, 60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90, 90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120}; static const uint16_t e1000_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE] = { 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22