Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / ipxe / src / drivers / net / ath / ath9k / ath9k_ar9003_hw.c
diff --git a/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k_ar9003_hw.c b/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k_ar9003_hw.c
new file mode 100644 (file)
index 0000000..f3020fd
--- /dev/null
@@ -0,0 +1,409 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or 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.
+ */
+
+#include "hw.h"
+#include "ar9003_mac.h"
+#include "ar9003_2p2_initvals.h"
+#include "ar9485_initvals.h"
+#include "ar9340_initvals.h"
+
+/* General hardware code for the AR9003 hadware family */
+
+/*
+ * The AR9003 family uses a new INI format (pre, core, post
+ * arrays per subsystem). This provides support for the
+ * AR9003 2.2 chipsets.
+ */
+static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
+{
+       if (AR_SREV_9340(ah)) {
+               /* mac */
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE],
+                               ar9340_1p0_mac_core,
+                               ARRAY_SIZE(ar9340_1p0_mac_core), 2);
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_POST],
+                               ar9340_1p0_mac_postamble,
+                               ARRAY_SIZE(ar9340_1p0_mac_postamble), 5);
+
+               /* bb */
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_CORE],
+                               ar9340_1p0_baseband_core,
+                               ARRAY_SIZE(ar9340_1p0_baseband_core), 2);
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_POST],
+                               ar9340_1p0_baseband_postamble,
+                               ARRAY_SIZE(ar9340_1p0_baseband_postamble), 5);
+
+               /* radio */
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_CORE],
+                               ar9340_1p0_radio_core,
+                               ARRAY_SIZE(ar9340_1p0_radio_core), 2);
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_POST],
+                               ar9340_1p0_radio_postamble,
+                               ARRAY_SIZE(ar9340_1p0_radio_postamble), 5);
+
+               /* soc */
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_PRE],
+                               ar9340_1p0_soc_preamble,
+                               ARRAY_SIZE(ar9340_1p0_soc_preamble), 2);
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_CORE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_POST],
+                               ar9340_1p0_soc_postamble,
+                               ARRAY_SIZE(ar9340_1p0_soc_postamble), 5);
+
+               /* rx/tx gain */
+               INIT_INI_ARRAY(&ah->iniModesRxGain,
+                               ar9340Common_wo_xlna_rx_gain_table_1p0,
+                               ARRAY_SIZE(ar9340Common_wo_xlna_rx_gain_table_1p0),
+                               5);
+               INIT_INI_ARRAY(&ah->iniModesTxGain,
+                               ar9340Modes_high_ob_db_tx_gain_table_1p0,
+                               ARRAY_SIZE(ar9340Modes_high_ob_db_tx_gain_table_1p0),
+                               5);
+
+               INIT_INI_ARRAY(&ah->iniModesAdditional,
+                               ar9340Modes_fast_clock_1p0,
+                               ARRAY_SIZE(ar9340Modes_fast_clock_1p0),
+                               3);
+
+               INIT_INI_ARRAY(&ah->iniModesAdditional_40M,
+                               ar9340_1p0_radio_core_40M,
+                               ARRAY_SIZE(ar9340_1p0_radio_core_40M),
+                               2);
+       } else if (AR_SREV_9485_11(ah)) {
+               /* mac */
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE],
+                               ar9485_1_1_mac_core,
+                               ARRAY_SIZE(ar9485_1_1_mac_core), 2);
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_POST],
+                               ar9485_1_1_mac_postamble,
+                               ARRAY_SIZE(ar9485_1_1_mac_postamble), 5);
+
+               /* bb */
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_PRE], ar9485_1_1,
+                               ARRAY_SIZE(ar9485_1_1), 2);
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_CORE],
+                               ar9485_1_1_baseband_core,
+                               ARRAY_SIZE(ar9485_1_1_baseband_core), 2);
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_POST],
+                               ar9485_1_1_baseband_postamble,
+                               ARRAY_SIZE(ar9485_1_1_baseband_postamble), 5);
+
+               /* radio */
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_CORE],
+                               ar9485_1_1_radio_core,
+                               ARRAY_SIZE(ar9485_1_1_radio_core), 2);
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_POST],
+                               ar9485_1_1_radio_postamble,
+                               ARRAY_SIZE(ar9485_1_1_radio_postamble), 2);
+
+               /* soc */
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_PRE],
+                               ar9485_1_1_soc_preamble,
+                               ARRAY_SIZE(ar9485_1_1_soc_preamble), 2);
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_CORE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_POST], NULL, 0, 0);
+
+               /* rx/tx gain */
+               INIT_INI_ARRAY(&ah->iniModesRxGain,
+                               ar9485Common_wo_xlna_rx_gain_1_1,
+                               ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1), 2);
+               INIT_INI_ARRAY(&ah->iniModesTxGain,
+                               ar9485_modes_lowest_ob_db_tx_gain_1_1,
+                               ARRAY_SIZE(ar9485_modes_lowest_ob_db_tx_gain_1_1),
+                               5);
+
+               /* Load PCIE SERDES settings from INI */
+
+               /* Awake Setting */
+
+               INIT_INI_ARRAY(&ah->iniPcieSerdes,
+                               ar9485_1_1_pcie_phy_clkreq_disable_L1,
+                               ARRAY_SIZE(ar9485_1_1_pcie_phy_clkreq_disable_L1),
+                               2);
+
+               /* Sleep Setting */
+
+               INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower,
+                               ar9485_1_1_pcie_phy_clkreq_disable_L1,
+                               ARRAY_SIZE(ar9485_1_1_pcie_phy_clkreq_disable_L1),
+                               2);
+       } else {
+               /* mac */
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE],
+                               ar9300_2p2_mac_core,
+                               ARRAY_SIZE(ar9300_2p2_mac_core), 2);
+               INIT_INI_ARRAY(&ah->iniMac[ATH_INI_POST],
+                               ar9300_2p2_mac_postamble,
+                               ARRAY_SIZE(ar9300_2p2_mac_postamble), 5);
+
+               /* bb */
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_CORE],
+                               ar9300_2p2_baseband_core,
+                               ARRAY_SIZE(ar9300_2p2_baseband_core), 2);
+               INIT_INI_ARRAY(&ah->iniBB[ATH_INI_POST],
+                               ar9300_2p2_baseband_postamble,
+                               ARRAY_SIZE(ar9300_2p2_baseband_postamble), 5);
+
+               /* radio */
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_PRE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_CORE],
+                               ar9300_2p2_radio_core,
+                               ARRAY_SIZE(ar9300_2p2_radio_core), 2);
+               INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_POST],
+                               ar9300_2p2_radio_postamble,
+                               ARRAY_SIZE(ar9300_2p2_radio_postamble), 5);
+
+               /* soc */
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_PRE],
+                               ar9300_2p2_soc_preamble,
+                               ARRAY_SIZE(ar9300_2p2_soc_preamble), 2);
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_CORE], NULL, 0, 0);
+               INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_POST],
+                               ar9300_2p2_soc_postamble,
+                               ARRAY_SIZE(ar9300_2p2_soc_postamble), 5);
+
+               /* rx/tx gain */
+               INIT_INI_ARRAY(&ah->iniModesRxGain,
+                               ar9300Common_rx_gain_table_2p2,
+                               ARRAY_SIZE(ar9300Common_rx_gain_table_2p2), 2);
+               INIT_INI_ARRAY(&ah->iniModesTxGain,
+                               ar9300Modes_lowest_ob_db_tx_gain_table_2p2,
+                               ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p2),
+                               5);
+
+               /* Load PCIE SERDES settings from INI */
+
+               /* Awake Setting */
+
+               INIT_INI_ARRAY(&ah->iniPcieSerdes,
+                               ar9300PciePhy_pll_on_clkreq_disable_L1_2p2,
+                               ARRAY_SIZE(ar9300PciePhy_pll_on_clkreq_disable_L1_2p2),
+                               2);
+
+               /* Sleep Setting */
+
+               INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower,
+                               ar9300PciePhy_pll_on_clkreq_disable_L1_2p2,
+                               ARRAY_SIZE(ar9300PciePhy_pll_on_clkreq_disable_L1_2p2),
+                               2);
+
+               /* Fast clock modal settings */
+               INIT_INI_ARRAY(&ah->iniModesAdditional,
+                               ar9300Modes_fast_clock_2p2,
+                               ARRAY_SIZE(ar9300Modes_fast_clock_2p2),
+                               3);
+       }
+}
+
+static void ar9003_tx_gain_table_apply(struct ath_hw *ah)
+{
+       switch (ar9003_hw_get_tx_gain_idx(ah)) {
+       case 0:
+       default:
+               if (AR_SREV_9340(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                       ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+                                      ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+                                      5);
+               else if (AR_SREV_9485_11(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9485_modes_lowest_ob_db_tx_gain_1_1,
+                                      ARRAY_SIZE(ar9485_modes_lowest_ob_db_tx_gain_1_1),
+                                      5);
+               else
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9300Modes_lowest_ob_db_tx_gain_table_2p2,
+                                      ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p2),
+                                      5);
+               break;
+       case 1:
+               if (AR_SREV_9340(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                       ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+                                      ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+                                      5);
+               else if (AR_SREV_9485_11(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9485Modes_high_ob_db_tx_gain_1_1,
+                                      ARRAY_SIZE(ar9485Modes_high_ob_db_tx_gain_1_1),
+                                      5);
+               else
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9300Modes_high_ob_db_tx_gain_table_2p2,
+                                      ARRAY_SIZE(ar9300Modes_high_ob_db_tx_gain_table_2p2),
+                                      5);
+               break;
+       case 2:
+               if (AR_SREV_9340(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                       ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+                                      ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+                                      5);
+               else if (AR_SREV_9485_11(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9485Modes_low_ob_db_tx_gain_1_1,
+                                      ARRAY_SIZE(ar9485Modes_low_ob_db_tx_gain_1_1),
+                                      5);
+               else
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9300Modes_low_ob_db_tx_gain_table_2p2,
+                                      ARRAY_SIZE(ar9300Modes_low_ob_db_tx_gain_table_2p2),
+                                      5);
+               break;
+       case 3:
+               if (AR_SREV_9340(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                       ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+                                      ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+                                      5);
+               else if (AR_SREV_9485_11(ah))
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9485Modes_high_power_tx_gain_1_1,
+                                      ARRAY_SIZE(ar9485Modes_high_power_tx_gain_1_1),
+                                      5);
+               else
+                       INIT_INI_ARRAY(&ah->iniModesTxGain,
+                                      ar9300Modes_high_power_tx_gain_table_2p2,
+                                      ARRAY_SIZE(ar9300Modes_high_power_tx_gain_table_2p2),
+                                      5);
+               break;
+       }
+}
+
+static void ar9003_rx_gain_table_apply(struct ath_hw *ah)
+{
+       switch (ar9003_hw_get_rx_gain_idx(ah)) {
+       case 0:
+       default:
+               if (AR_SREV_9340(ah))
+                       INIT_INI_ARRAY(&ah->iniModesRxGain,
+                                      ar9340Common_rx_gain_table_1p0,
+                                      ARRAY_SIZE(ar9340Common_rx_gain_table_1p0),
+                                      2);
+               else if (AR_SREV_9485_11(ah))
+                       INIT_INI_ARRAY(&ah->iniModesRxGain,
+                                      ar9485Common_wo_xlna_rx_gain_1_1,
+                                      ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1),
+                                      2);
+               else
+                       INIT_INI_ARRAY(&ah->iniModesRxGain,
+                                      ar9300Common_rx_gain_table_2p2,
+                                      ARRAY_SIZE(ar9300Common_rx_gain_table_2p2),
+                                      2);
+               break;
+       case 1:
+               if (AR_SREV_9340(ah))
+                       INIT_INI_ARRAY(&ah->iniModesRxGain,
+                                      ar9340Common_wo_xlna_rx_gain_table_1p0,
+                                      ARRAY_SIZE(ar9340Common_wo_xlna_rx_gain_table_1p0),
+                                      2);
+               else if (AR_SREV_9485_11(ah))
+                       INIT_INI_ARRAY(&ah->iniModesRxGain,
+                                      ar9485Common_wo_xlna_rx_gain_1_1,
+                                      ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1),
+                                      2);
+               else
+                       INIT_INI_ARRAY(&ah->iniModesRxGain,
+                                      ar9300Common_wo_xlna_rx_gain_table_2p2,
+                                      ARRAY_SIZE(ar9300Common_wo_xlna_rx_gain_table_2p2),
+                                      2);
+               break;
+       }
+}
+
+/* set gain table pointers according to values read from the eeprom */
+static void ar9003_hw_init_mode_gain_regs(struct ath_hw *ah)
+{
+       ar9003_tx_gain_table_apply(ah);
+       ar9003_rx_gain_table_apply(ah);
+}
+
+/*
+ * Helper for ASPM support.
+ *
+ * Disable PLL when in L0s as well as receiver clock when in L1.
+ * This power saving option must be enabled through the SerDes.
+ *
+ * Programming the SerDes must go through the same 288 bit serial shift
+ * register as the other analog registers.  Hence the 9 writes.
+ */
+static void ar9003_hw_configpcipowersave(struct ath_hw *ah,
+                                        int restore,
+                                        int power_off)
+{
+       if (ah->is_pciexpress != 1)
+               return;
+
+       /* Do not touch SerDes registers */
+       if (ah->config.pcie_powersave_enable == 2)
+               return;
+
+       /* Nothing to do on restore for 11N */
+       if (!restore) {
+               /* set bit 19 to allow forcing of pcie core into L1 state */
+               REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+
+               /* Several PCIe massages to ensure proper behaviour */
+               if (ah->config.pcie_waen)
+                       REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
+               else
+                       REG_WRITE(ah, AR_WA, ah->WARegVal);
+       }
+
+       /*
+        * Configire PCIE after Ini init. SERDES values now come from ini file
+        * This enables PCIe low power mode.
+        */
+       if (ah->config.pcieSerDesWrite) {
+               unsigned int i;
+               struct ar5416IniArray *array;
+
+               array = power_off ? &ah->iniPcieSerdes :
+                                   &ah->iniPcieSerdesLowPower;
+
+               for (i = 0; i < array->ia_rows; i++) {
+                       REG_WRITE(ah,
+                                 INI_RA(array, i, 0),
+                                 INI_RA(array, i, 1));
+               }
+       }
+}
+
+/* Sets up the AR9003 hardware familiy callbacks */
+void ar9003_hw_attach_ops(struct ath_hw *ah)
+{
+       struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+       struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+       priv_ops->init_mode_regs = ar9003_hw_init_mode_regs;
+       priv_ops->init_mode_gain_regs = ar9003_hw_init_mode_gain_regs;
+
+       ops->config_pci_powersave = ar9003_hw_configpcipowersave;
+
+       ar9003_hw_attach_phy_ops(ah);
+       ar9003_hw_attach_calib_ops(ah);
+       ar9003_hw_attach_mac_ops(ah);
+}