From 9b60b64bfe98b9cc01b21e6126819b11a0f0a971 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Thu, 13 Jun 2013 22:51:26 +0530 Subject: [PATCH] ath9k: Add custom parameters for CUS198 CUS198 is a card based on AR9485. There are differences between the base reference design HB125 and CUS198. Identify such cards based on the PCI subsystem IDs and set HW parameters appropriately. Addresses this bug - https://bugzilla.kernel.org/show_bug.cgi?id=49201 Cc: jkp@iki.fi Cc: gfmichaud@gmail.com Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- .../net/wireless/ath/ath9k/ar9003_eeprom.c | 18 ++++++++++-- drivers/net/wireless/ath/ath9k/ath9k.h | 3 ++ drivers/net/wireless/ath/ath9k/hw.h | 4 +++ drivers/net/wireless/ath/ath9k/init.c | 21 ++++++++++++++ drivers/net/wireless/ath/ath9k/pci.c | 29 +++++++++++++++++++ 5 files changed, 72 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 25b8bbbe74fe..9a00bc0a9304 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3563,16 +3563,22 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz) { struct ath9k_hw_capabilities *pCap = &ah->caps; int chain; - u32 regval, value; + u32 regval, value, gpio; static const u32 switch_chain_reg[AR9300_MAX_CHAINS] = { AR_PHY_SWITCH_CHAIN_0, AR_PHY_SWITCH_CHAIN_1, AR_PHY_SWITCH_CHAIN_2, }; - if (AR_SREV_9485(ah) && (ar9003_hw_get_rx_gain_idx(ah) == 0)) + if (AR_SREV_9485(ah) && (ar9003_hw_get_rx_gain_idx(ah) == 0)) { + if (ah->config.xlna_gpio) + gpio = ah->config.xlna_gpio; + else + gpio = AR9300_EXT_LNA_CTL_GPIO_AR9485; + ath9k_hw_cfg_output(ah, AR9300_EXT_LNA_CTL_GPIO_AR9485, AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED); + } value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz); @@ -3800,7 +3806,13 @@ static void ar9003_hw_atten_apply(struct ath_hw *ah, struct ath9k_channel *chan) REG_RMW_FIELD(ah, ext_atten_reg[i], AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value); - value = ar9003_hw_atten_chain_get_margin(ah, i, chan); + if (AR_SREV_9485(ah) && + (ar9003_hw_get_rx_gain_idx(ah) == 0) && + ah->config.xatten_margin_cfg) + value = 5; + else + value = ar9003_hw_atten_chain_get_margin(ah, i, chan); + REG_RMW_FIELD(ah, ext_atten_reg[i], AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN, value); diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index a6e666bcc0a7..74965eefbd1c 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -631,6 +631,8 @@ void ath_ant_comb_update(struct ath_softc *sc); /* Main driver core */ /********************/ +#define ATH9K_PCI_CUS198 0x0001 + /* * Default cache line size, in bytes. * Used when PCI device not fully initialized by bootrom/BIOS @@ -715,6 +717,7 @@ struct ath_softc { unsigned int hw_busy_count; unsigned long sc_flags; + unsigned long driver_data; u32 intrstatus; u16 ps_flags; /* PS_* */ diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 7d259b7dc254..ed7d4fcbdcab 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -307,6 +307,10 @@ struct ath9k_ops_config { u16 spurchans[AR_EEPROM_MODAL_SPURS][2]; u8 max_txtrig_level; u16 ani_poll_interval; /* ANI poll interval in ms */ + + /* Platform specific config */ + u32 xlna_gpio; + bool xatten_margin_cfg; }; enum ath9k_int { diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 818f22daa8ba..7c2ed1cef9b7 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -513,6 +513,22 @@ static void ath9k_init_misc(struct ath_softc *sc) sc->spec_config.fft_period = 0xF; } +static void ath9k_init_platform(struct ath_softc *sc) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + + if (common->bus_ops->ath_bus_type != ATH_PCI) + return; + + if (sc->driver_data & ATH9K_PCI_CUS198) { + ah->config.xlna_gpio = 9; + ah->config.xatten_margin_cfg = true; + + ath_info(common, "Set parameters for CUS198\n"); + } +} + static void ath9k_eeprom_request_cb(const struct firmware *eeprom_blob, void *ctx) { @@ -604,6 +620,11 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, common->btcoex_enabled = ath9k_btcoex_enable == 1; common->disable_ani = false; + /* + * Platform quirks. + */ + ath9k_init_platform(sc); + /* * Enable Antenna diversity only when BTCOEX is disabled * and the user manually requests the feature. diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 0e0d39583837..4ac00b4b0d25 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -34,6 +34,34 @@ static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = { { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI */ { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */ { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E AR9300 */ + + /* PCI-E CUS198 */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS, + 0x0032, + PCI_VENDOR_ID_AZWAVE, + 0x2086), + .driver_data = ATH9K_PCI_CUS198 }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS, + 0x0032, + PCI_VENDOR_ID_AZWAVE, + 0x1237), + .driver_data = ATH9K_PCI_CUS198 }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS, + 0x0032, + PCI_VENDOR_ID_AZWAVE, + 0x2126), + .driver_data = ATH9K_PCI_CUS198 }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS, + 0x0032, + PCI_VENDOR_ID_AZWAVE, + 0x2152), + .driver_data = ATH9K_PCI_CUS198 }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS, + 0x0032, + PCI_VENDOR_ID_FOXCONN, + 0xE075), + .driver_data = ATH9K_PCI_CUS198 }, + { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E AR9485 */ { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E AR9580 */ { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E AR9462 */ @@ -221,6 +249,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) sc->hw = hw; sc->dev = &pdev->dev; sc->mem = pcim_iomap_table(pdev)[0]; + sc->driver_data = id->driver_data; /* Will be cleared in ath9k_start() */ set_bit(SC_OP_INVALID, &sc->sc_flags); -- 2.39.5