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Differential D12235 Diff 32682 sys/dev/e1000/e1000_80003es2lan.c

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sys/dev/e1000/e1000_80003es2lan.c

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static s32 e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw *hw); static s32 e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw *hw);
static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw); static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw);
static s32 e1000_get_link_up_info_80003es2lan(struct e1000_hw *hw, u16 *speed, static s32 e1000_get_link_up_info_80003es2lan(struct e1000_hw *hw, u16 *speed,
u16 *duplex); u16 *duplex);
static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw); static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw);
static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw); static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw);
static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw); static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw);
static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw); static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw);
static s32 e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask);
static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex); static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex);
static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw); static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw);
static s32 e1000_cfg_on_link_up_80003es2lan(struct e1000_hw *hw); static s32 e1000_cfg_on_link_up_80003es2lan(struct e1000_hw *hw);
static s32 e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset, static s32 e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
u16 *data); u16 *data);
static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset, static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
u16 data); u16 data);
static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw *hw); static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw *hw);
static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask);
static s32 e1000_read_mac_addr_80003es2lan(struct e1000_hw *hw); static s32 e1000_read_mac_addr_80003es2lan(struct e1000_hw *hw);
static void e1000_power_down_phy_copper_80003es2lan(struct e1000_hw *hw); static void e1000_power_down_phy_copper_80003es2lan(struct e1000_hw *hw);
/* A table for the GG82563 cable length where the range is defined /* A table for the GG82563 cable length where the range is defined
* with a lower bound at "index" and the upper bound at * with a lower bound at "index" and the upper bound at
* "index + 5". * "index + 5".
*/ */
static const u16 e1000_gg82563_cable_length_table[] = { static const u16 e1000_gg82563_cable_length_table[] = {
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**/ **/
static s32 e1000_acquire_phy_80003es2lan(struct e1000_hw *hw) static s32 e1000_acquire_phy_80003es2lan(struct e1000_hw *hw)
{ {
u16 mask; u16 mask;
DEBUGFUNC("e1000_acquire_phy_80003es2lan"); DEBUGFUNC("e1000_acquire_phy_80003es2lan");
mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM; mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
return e1000_acquire_swfw_sync_80003es2lan(hw, mask); return e1000_acquire_swfw_sync(hw, mask);
} }
/** /**
* e1000_release_phy_80003es2lan - Release rights to access PHY * e1000_release_phy_80003es2lan - Release rights to access PHY
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* *
* A wrapper to release access rights to the correct PHY. * A wrapper to release access rights to the correct PHY.
**/ **/
static void e1000_release_phy_80003es2lan(struct e1000_hw *hw) static void e1000_release_phy_80003es2lan(struct e1000_hw *hw)
{ {
u16 mask; u16 mask;
DEBUGFUNC("e1000_release_phy_80003es2lan"); DEBUGFUNC("e1000_release_phy_80003es2lan");
mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM; mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
e1000_release_swfw_sync_80003es2lan(hw, mask); e1000_release_swfw_sync(hw, mask);
} }
/** /**
* e1000_acquire_mac_csr_80003es2lan - Acquire right to access Kumeran register * e1000_acquire_mac_csr_80003es2lan - Acquire right to access Kumeran register
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* *
* Acquire the semaphore to access the Kumeran interface. * Acquire the semaphore to access the Kumeran interface.
* *
**/ **/
static s32 e1000_acquire_mac_csr_80003es2lan(struct e1000_hw *hw) static s32 e1000_acquire_mac_csr_80003es2lan(struct e1000_hw *hw)
{ {
u16 mask; u16 mask;
DEBUGFUNC("e1000_acquire_mac_csr_80003es2lan"); DEBUGFUNC("e1000_acquire_mac_csr_80003es2lan");
mask = E1000_SWFW_CSR_SM; mask = E1000_SWFW_CSR_SM;
return e1000_acquire_swfw_sync_80003es2lan(hw, mask); return e1000_acquire_swfw_sync(hw, mask);
} }
/** /**
* e1000_release_mac_csr_80003es2lan - Release right to access Kumeran Register * e1000_release_mac_csr_80003es2lan - Release right to access Kumeran Register
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* *
* Release the semaphore used to access the Kumeran interface * Release the semaphore used to access the Kumeran interface
**/ **/
static void e1000_release_mac_csr_80003es2lan(struct e1000_hw *hw) static void e1000_release_mac_csr_80003es2lan(struct e1000_hw *hw)
{ {
u16 mask; u16 mask;
DEBUGFUNC("e1000_release_mac_csr_80003es2lan"); DEBUGFUNC("e1000_release_mac_csr_80003es2lan");
mask = E1000_SWFW_CSR_SM; mask = E1000_SWFW_CSR_SM;
e1000_release_swfw_sync_80003es2lan(hw, mask); e1000_release_swfw_sync(hw, mask);
} }
/** /**
* e1000_acquire_nvm_80003es2lan - Acquire rights to access NVM * e1000_acquire_nvm_80003es2lan - Acquire rights to access NVM
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* *
* Acquire the semaphore to access the EEPROM. * Acquire the semaphore to access the EEPROM.
**/ **/
static s32 e1000_acquire_nvm_80003es2lan(struct e1000_hw *hw) static s32 e1000_acquire_nvm_80003es2lan(struct e1000_hw *hw)
{ {
s32 ret_val; s32 ret_val;
DEBUGFUNC("e1000_acquire_nvm_80003es2lan"); DEBUGFUNC("e1000_acquire_nvm_80003es2lan");
ret_val = e1000_acquire_swfw_sync_80003es2lan(hw, E1000_SWFW_EEP_SM); ret_val = e1000_acquire_swfw_sync(hw, E1000_SWFW_EEP_SM);
if (ret_val) if (ret_val)
return ret_val; return ret_val;
ret_val = e1000_acquire_nvm_generic(hw); ret_val = e1000_acquire_nvm_generic(hw);
if (ret_val) if (ret_val)
e1000_release_swfw_sync_80003es2lan(hw, E1000_SWFW_EEP_SM); e1000_release_swfw_sync(hw, E1000_SWFW_EEP_SM);
return ret_val; return ret_val;
} }
/** /**
* e1000_release_nvm_80003es2lan - Relinquish rights to access NVM * e1000_release_nvm_80003es2lan - Relinquish rights to access NVM
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* *
* Release the semaphore used to access the EEPROM. * Release the semaphore used to access the EEPROM.
**/ **/
static void e1000_release_nvm_80003es2lan(struct e1000_hw *hw) static void e1000_release_nvm_80003es2lan(struct e1000_hw *hw)
{ {
DEBUGFUNC("e1000_release_nvm_80003es2lan"); DEBUGFUNC("e1000_release_nvm_80003es2lan");
e1000_release_nvm_generic(hw); e1000_release_nvm_generic(hw);
e1000_release_swfw_sync_80003es2lan(hw, E1000_SWFW_EEP_SM); e1000_release_swfw_sync(hw, E1000_SWFW_EEP_SM);
}
/**
* e1000_acquire_swfw_sync_80003es2lan - Acquire SW/FW semaphore
* @hw: pointer to the HW structure
* @mask: specifies which semaphore to acquire
*
* Acquire the SW/FW semaphore to access the PHY or NVM. The mask
* will also specify which port we're acquiring the lock for.
**/
static s32 e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask)
{
u32 swfw_sync;
u32 swmask = mask;
u32 fwmask = mask << 16;
s32 i = 0;
s32 timeout = 50;
DEBUGFUNC("e1000_acquire_swfw_sync_80003es2lan");
while (i < timeout) {
if (e1000_get_hw_semaphore_generic(hw))
return -E1000_ERR_SWFW_SYNC;
swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC);
if (!(swfw_sync & (fwmask | swmask)))
break;
/* Firmware currently using resource (fwmask)
* or other software thread using resource (swmask)
*/
e1000_put_hw_semaphore_generic(hw);
msec_delay_irq(5);
i++;
}
if (i == timeout) {
DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n");
return -E1000_ERR_SWFW_SYNC;
}
swfw_sync |= swmask;
E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync);
e1000_put_hw_semaphore_generic(hw);
return E1000_SUCCESS;
}
/**
* e1000_release_swfw_sync_80003es2lan - Release SW/FW semaphore
* @hw: pointer to the HW structure
* @mask: specifies which semaphore to acquire
*
* Release the SW/FW semaphore used to access the PHY or NVM. The mask
* will also specify which port we're releasing the lock for.
**/
static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask)
{
u32 swfw_sync;
DEBUGFUNC("e1000_release_swfw_sync_80003es2lan");
while (e1000_get_hw_semaphore_generic(hw) != E1000_SUCCESS)
; /* Empty */
swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC);
swfw_sync &= ~mask;
E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync);
e1000_put_hw_semaphore_generic(hw);
} }
/** /**
* e1000_read_phy_reg_gg82563_80003es2lan - Read GG82563 PHY register * e1000_read_phy_reg_gg82563_80003es2lan - Read GG82563 PHY register
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* @offset: offset of the register to read * @offset: offset of the register to read
* @data: pointer to the data returned from the operation * @data: pointer to the data returned from the operation
* *
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