diff options
Diffstat (limited to 'gpxe/src/drivers/net/ath5k/ath5k_attach.c')
| -rw-r--r-- | gpxe/src/drivers/net/ath5k/ath5k_attach.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/gpxe/src/drivers/net/ath5k/ath5k_attach.c b/gpxe/src/drivers/net/ath5k/ath5k_attach.c deleted file mode 100644 index 36dc2439..00000000 --- a/gpxe/src/drivers/net/ath5k/ath5k_attach.c +++ /dev/null @@ -1,340 +0,0 @@ -/* - * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org> - * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com> - * - * Modified for gPXE, July 2009, by Joshua Oreman <oremanj@rwcr.net> - * Original from Linux kernel 2.6.30. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - -FILE_LICENCE ( MIT ); - -/*************************************\ -* Attach/Detach Functions and helpers * -\*************************************/ - -#include <gpxe/pci.h> -#include <unistd.h> -#include <stdlib.h> -#include "ath5k.h" -#include "reg.h" -#include "base.h" - -/** - * ath5k_hw_post - Power On Self Test helper function - * - * @ah: The &struct ath5k_hw - */ -static int ath5k_hw_post(struct ath5k_hw *ah) -{ - - static const u32 static_pattern[4] = { - 0x55555555, 0xaaaaaaaa, - 0x66666666, 0x99999999 - }; - static const u16 regs[2] = { AR5K_STA_ID0, AR5K_PHY(8) }; - int i, c; - u16 cur_reg; - u32 var_pattern; - u32 init_val; - u32 cur_val; - - for (c = 0; c < 2; c++) { - - cur_reg = regs[c]; - - /* Save previous value */ - init_val = ath5k_hw_reg_read(ah, cur_reg); - - for (i = 0; i < 256; i++) { - var_pattern = i << 16 | i; - ath5k_hw_reg_write(ah, var_pattern, cur_reg); - cur_val = ath5k_hw_reg_read(ah, cur_reg); - - if (cur_val != var_pattern) { - DBG("ath5k: POST failed!\n"); - return -EAGAIN; - } - - /* Found on ndiswrapper dumps */ - var_pattern = 0x0039080f; - ath5k_hw_reg_write(ah, var_pattern, cur_reg); - } - - for (i = 0; i < 4; i++) { - var_pattern = static_pattern[i]; - ath5k_hw_reg_write(ah, var_pattern, cur_reg); - cur_val = ath5k_hw_reg_read(ah, cur_reg); - - if (cur_val != var_pattern) { - DBG("ath5k: POST failed!\n"); - return -EAGAIN; - } - - /* Found on ndiswrapper dumps */ - var_pattern = 0x003b080f; - ath5k_hw_reg_write(ah, var_pattern, cur_reg); - } - - /* Restore previous value */ - ath5k_hw_reg_write(ah, init_val, cur_reg); - - } - - return 0; - -} - -/** - * ath5k_hw_attach - Check if hw is supported and init the needed structs - * - * @sc: The &struct ath5k_softc we got from the driver's attach function - * @mac_version: The mac version id (check out ath5k.h) based on pci id - * @hw: Returned newly allocated hardware structure, on success - * - * Check if the device is supported, perform a POST and initialize the needed - * structs. Returns -ENOMEM if we don't have memory for the needed structs, - * -ENODEV if the device is not supported or prints an error msg if something - * else went wrong. - */ -int ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version, - struct ath5k_hw **hw) -{ - struct ath5k_hw *ah; - struct pci_device *pdev = sc->pdev; - int ret; - u32 srev; - - ah = zalloc(sizeof(struct ath5k_hw)); - if (ah == NULL) { - ret = -ENOMEM; - DBG("ath5k: out of memory\n"); - goto err; - } - - ah->ah_sc = sc; - ah->ah_iobase = sc->iobase; - - /* - * HW information - */ - ah->ah_turbo = 0; - ah->ah_txpower.txp_tpc = 0; - ah->ah_imr = 0; - ah->ah_atim_window = 0; - ah->ah_aifs = AR5K_TUNE_AIFS; - ah->ah_cw_min = AR5K_TUNE_CWMIN; - ah->ah_limit_tx_retries = AR5K_INIT_TX_RETRY; - ah->ah_software_retry = 0; - ah->ah_ant_diversity = AR5K_TUNE_ANT_DIVERSITY; - - /* - * Set the mac version based on the pci id - */ - ah->ah_version = mac_version; - - /*Fill the ath5k_hw struct with the needed functions*/ - ret = ath5k_hw_init_desc_functions(ah); - if (ret) - goto err_free; - - /* Bring device out of sleep and reset it's units */ - ret = ath5k_hw_nic_wakeup(ah, CHANNEL_B, 1); - if (ret) - goto err_free; - - /* Get MAC, PHY and RADIO revisions */ - srev = ath5k_hw_reg_read(ah, AR5K_SREV); - ah->ah_mac_srev = srev; - ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER); - ah->ah_mac_revision = AR5K_REG_MS(srev, AR5K_SREV_REV); - ah->ah_phy_revision = ath5k_hw_reg_read(ah, AR5K_PHY_CHIP_ID); - ah->ah_radio_5ghz_revision = ath5k_hw_radio_revision(ah, CHANNEL_5GHZ); - ah->ah_phy = AR5K_PHY(0); - - /* Try to identify radio chip based on it's srev */ - switch (ah->ah_radio_5ghz_revision & 0xf0) { - case AR5K_SREV_RAD_5111: - ah->ah_radio = AR5K_RF5111; - ah->ah_single_chip = 0; - ah->ah_radio_2ghz_revision = ath5k_hw_radio_revision(ah, - CHANNEL_2GHZ); - break; - case AR5K_SREV_RAD_5112: - case AR5K_SREV_RAD_2112: - ah->ah_radio = AR5K_RF5112; - ah->ah_single_chip = 0; - ah->ah_radio_2ghz_revision = ath5k_hw_radio_revision(ah, - CHANNEL_2GHZ); - break; - case AR5K_SREV_RAD_2413: - ah->ah_radio = AR5K_RF2413; - ah->ah_single_chip = 1; - break; - case AR5K_SREV_RAD_5413: - ah->ah_radio = AR5K_RF5413; - ah->ah_single_chip = 1; - break; - case AR5K_SREV_RAD_2316: - ah->ah_radio = AR5K_RF2316; - ah->ah_single_chip = 1; - break; - case AR5K_SREV_RAD_2317: - ah->ah_radio = AR5K_RF2317; - ah->ah_single_chip = 1; - break; - case AR5K_SREV_RAD_5424: - if (ah->ah_mac_version == AR5K_SREV_AR2425 || - ah->ah_mac_version == AR5K_SREV_AR2417) { - ah->ah_radio = AR5K_RF2425; - } else { - ah->ah_radio = AR5K_RF5413; - } - ah->ah_single_chip = 1; - break; - default: - /* Identify radio based on mac/phy srev */ - if (ah->ah_version == AR5K_AR5210) { - ah->ah_radio = AR5K_RF5110; - ah->ah_single_chip = 0; - } else if (ah->ah_version == AR5K_AR5211) { - ah->ah_radio = AR5K_RF5111; - ah->ah_single_chip = 0; - ah->ah_radio_2ghz_revision = ath5k_hw_radio_revision(ah, - CHANNEL_2GHZ); - } else if (ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4) || - ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4) || - ah->ah_phy_revision == AR5K_SREV_PHY_2425) { - ah->ah_radio = AR5K_RF2425; - ah->ah_single_chip = 1; - ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2425; - } else if (srev == AR5K_SREV_AR5213A && - ah->ah_phy_revision == AR5K_SREV_PHY_5212B) { - ah->ah_radio = AR5K_RF5112; - ah->ah_single_chip = 0; - ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_5112B; - } else if (ah->ah_mac_version == (AR5K_SREV_AR2415 >> 4)) { - ah->ah_radio = AR5K_RF2316; - ah->ah_single_chip = 1; - ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2316; - } else if (ah->ah_mac_version == (AR5K_SREV_AR5414 >> 4) || - ah->ah_phy_revision == AR5K_SREV_PHY_5413) { - ah->ah_radio = AR5K_RF5413; - ah->ah_single_chip = 1; - ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_5413; - } else if (ah->ah_mac_version == (AR5K_SREV_AR2414 >> 4) || - ah->ah_phy_revision == AR5K_SREV_PHY_2413) { - ah->ah_radio = AR5K_RF2413; - ah->ah_single_chip = 1; - ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2413; - } else { - DBG("ath5k: Couldn't identify radio revision.\n"); - ret = -ENOTSUP; - goto err_free; - } - } - - /* Return on unsuported chips (unsupported eeprom etc) */ - if ((srev >= AR5K_SREV_AR5416) && - (srev < AR5K_SREV_AR2425)) { - DBG("ath5k: Device not yet supported.\n"); - ret = -ENOTSUP; - goto err_free; - } - - /* - * Write PCI-E power save settings - */ - if ((ah->ah_version == AR5K_AR5212) && - pci_find_capability(pdev, PCI_CAP_ID_EXP)) { - ath5k_hw_reg_write(ah, 0x9248fc00, AR5K_PCIE_SERDES); - ath5k_hw_reg_write(ah, 0x24924924, AR5K_PCIE_SERDES); - /* Shut off RX when elecidle is asserted */ - ath5k_hw_reg_write(ah, 0x28000039, AR5K_PCIE_SERDES); - ath5k_hw_reg_write(ah, 0x53160824, AR5K_PCIE_SERDES); - /* TODO: EEPROM work */ - ath5k_hw_reg_write(ah, 0xe5980579, AR5K_PCIE_SERDES); - /* Shut off PLL and CLKREQ active in L1 */ - ath5k_hw_reg_write(ah, 0x001defff, AR5K_PCIE_SERDES); - /* Preserce other settings */ - ath5k_hw_reg_write(ah, 0x1aaabe40, AR5K_PCIE_SERDES); - ath5k_hw_reg_write(ah, 0xbe105554, AR5K_PCIE_SERDES); - ath5k_hw_reg_write(ah, 0x000e3007, AR5K_PCIE_SERDES); - /* Reset SERDES to load new settings */ - ath5k_hw_reg_write(ah, 0x00000000, AR5K_PCIE_SERDES_RESET); - mdelay(1); - } - - /* - * POST - */ - ret = ath5k_hw_post(ah); - if (ret) - goto err_free; - - /* Enable pci core retry fix on Hainan (5213A) and later chips */ - if (srev >= AR5K_SREV_AR5213A) - ath5k_hw_reg_write(ah, AR5K_PCICFG_RETRY_FIX, AR5K_PCICFG); - - /* - * Get card capabilities, calibration values etc - * TODO: EEPROM work - */ - ret = ath5k_eeprom_init(ah); - if (ret) { - DBG("ath5k: unable to init EEPROM\n"); - goto err_free; - } - - /* Get misc capabilities */ - ret = ath5k_hw_set_capabilities(ah); - if (ret) { - DBG("ath5k: unable to get device capabilities: 0x%04x\n", - sc->pdev->device); - goto err_free; - } - - if (srev >= AR5K_SREV_AR2414) { - ah->ah_combined_mic = 1; - AR5K_REG_ENABLE_BITS(ah, AR5K_MISC_MODE, - AR5K_MISC_MODE_COMBINED_MIC); - } - - /* Set BSSID to bcast address: ff:ff:ff:ff:ff:ff for now */ - memset(ah->ah_bssid, 0xff, ETH_ALEN); - ath5k_hw_set_associd(ah, ah->ah_bssid, 0); - ath5k_hw_set_opmode(ah); - - ath5k_hw_rfgain_opt_init(ah); - - *hw = ah; - return 0; -err_free: - free(ah); -err: - return ret; -} - -/** - * ath5k_hw_detach - Free the ath5k_hw struct - * - * @ah: The &struct ath5k_hw - */ -void ath5k_hw_detach(struct ath5k_hw *ah) -{ - free(ah->ah_rf_banks); - ath5k_eeprom_detach(ah); - free(ah); -} |