diff options
Diffstat (limited to 'package/kernel/mac80211/patches/ath/551-ath9k_ubnt_uap_plus_hsr.patch')
-rw-r--r-- | package/kernel/mac80211/patches/ath/551-ath9k_ubnt_uap_plus_hsr.patch | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/package/kernel/mac80211/patches/ath/551-ath9k_ubnt_uap_plus_hsr.patch b/package/kernel/mac80211/patches/ath/551-ath9k_ubnt_uap_plus_hsr.patch deleted file mode 100644 index cd2bdbf1a0..0000000000 --- a/package/kernel/mac80211/patches/ath/551-ath9k_ubnt_uap_plus_hsr.patch +++ /dev/null @@ -1,403 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/channel.c -+++ b/drivers/net/wireless/ath/ath9k/channel.c -@@ -15,6 +15,7 @@ - */ - - #include "ath9k.h" -+#include "hsr.h" - - /* Set/change channels. If the channel is really being changed, it's done - * by reseting the chip. To accomplish this we must first cleanup any pending -@@ -22,6 +23,7 @@ - */ - static int ath_set_channel(struct ath_softc *sc) - { -+ struct device_node *np = sc->dev->of_node; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_hw *hw = sc->hw; -@@ -42,6 +44,11 @@ static int ath_set_channel(struct ath_so - ath_dbg(common, CONFIG, "Set channel: %d MHz width: %d\n", - chan->center_freq, chandef->width); - -+ if (of_property_read_bool(np, "ubnt,hsr")) { -+ ath9k_hsr_enable(ah, chandef->width, chan->center_freq); -+ ath9k_hsr_status(ah); -+ } -+ - /* update survey stats for the old channel before switching */ - spin_lock_irqsave(&common->cc_lock, flags); - ath_update_survey_stats(sc); ---- /dev/null -+++ b/drivers/net/wireless/ath/ath9k/hsr.c -@@ -0,0 +1,247 @@ -+/* -+ * -+ * The MIT License (MIT) -+ * -+ * Copyright (c) 2015 Kirill Berezin -+ * -+ * Permission is hereby granted, free of charge, to any person obtaining a copy -+ * of this software and associated documentation files (the "Software"), to deal -+ * in the Software without restriction, including without limitation the rights -+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -+ * copies of the Software, and to permit persons to whom the Software is -+ * furnished to do so, subject to the following conditions: -+ * -+ * The above copyright notice and this permission notice shall be included in -+ * all copies or substantial portions of the Software. -+ * -+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -+ * SOFTWARE. -+ * -+ */ -+ -+#include <linux/io.h> -+#include <linux/slab.h> -+#include <linux/module.h> -+#include <linux/time.h> -+#include <linux/bitops.h> -+#include <linux/etherdevice.h> -+#include <linux/rtnetlink.h> -+#include <asm/unaligned.h> -+ -+#include "hw.h" -+#include "ath9k.h" -+ -+#define HSR_GPIO_CSN 8 -+#define HSR_GPIO_CLK 6 -+#define HSR_GPIO_DOUT 7 -+#define HSR_GPIO_DIN 5 -+ -+/* delays are in useconds */ -+#define HSR_DELAY_HALF_TICK 100 -+#define HSR_DELAY_PRE_WRITE 75 -+#define HSR_DELAY_FINAL 20000 -+#define HSR_DELAY_TRAILING 200 -+ -+void ath9k_hsr_init(struct ath_hw *ah) -+{ -+ ath9k_hw_gpio_request_in(ah, HSR_GPIO_DIN, NULL); -+ ath9k_hw_gpio_request_out(ah, HSR_GPIO_CSN, NULL, -+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT); -+ ath9k_hw_gpio_request_out(ah, HSR_GPIO_CLK, NULL, -+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT); -+ ath9k_hw_gpio_request_out(ah, HSR_GPIO_DOUT, NULL, -+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT); -+ -+ ath9k_hw_set_gpio(ah, HSR_GPIO_CSN, 1); -+ ath9k_hw_set_gpio(ah, HSR_GPIO_CLK, 0); -+ ath9k_hw_set_gpio(ah, HSR_GPIO_DOUT, 0); -+ -+ udelay(HSR_DELAY_TRAILING); -+} -+ -+static u32 ath9k_hsr_write_byte(struct ath_hw *ah, int delay, u32 value) -+{ -+ struct ath_common *common = ath9k_hw_common(ah); -+ int i; -+ u32 rval = 0; -+ -+ udelay(delay); -+ -+ ath9k_hw_set_gpio(ah, HSR_GPIO_CLK, 0); -+ udelay(HSR_DELAY_HALF_TICK); -+ -+ ath9k_hw_set_gpio(ah, HSR_GPIO_CSN, 0); -+ udelay(HSR_DELAY_HALF_TICK); -+ -+ for (i = 0; i < 8; ++i) { -+ rval = rval << 1; -+ -+ /* pattern is left to right, that is 7-th bit runs first */ -+ ath9k_hw_set_gpio(ah, HSR_GPIO_DOUT, (value >> (7 - i)) & 0x1); -+ udelay(HSR_DELAY_HALF_TICK); -+ -+ ath9k_hw_set_gpio(ah, HSR_GPIO_CLK, 1); -+ udelay(HSR_DELAY_HALF_TICK); -+ -+ rval |= ath9k_hw_gpio_get(ah, HSR_GPIO_DIN); -+ -+ ath9k_hw_set_gpio(ah, HSR_GPIO_CLK, 0); -+ udelay(HSR_DELAY_HALF_TICK); -+ } -+ -+ ath9k_hw_set_gpio(ah, HSR_GPIO_CSN, 1); -+ udelay(HSR_DELAY_HALF_TICK); -+ -+ ath_dbg(common, CONFIG, "ath9k_hsr_write_byte: write byte %d return value is %d %c\n", -+ value, rval, rval > 32 ? rval : '-'); -+ -+ return rval & 0xff; -+} -+ -+static int ath9k_hsr_write_a_chain(struct ath_hw *ah, char *chain, int items) -+{ -+ int status = 0; -+ int i = 0; -+ int err; -+ -+ /* a preamble */ -+ ath9k_hsr_write_byte(ah, HSR_DELAY_PRE_WRITE, 0); -+ status = ath9k_hsr_write_byte(ah, HSR_DELAY_PRE_WRITE, 0); -+ -+ /* clear HSR's reply buffer */ -+ if (status) { -+ int loop = 0; -+ -+ for (loop = 0; (loop < 42) && status; ++loop) -+ status = ath9k_hsr_write_byte(ah, HSR_DELAY_PRE_WRITE, -+ 0); -+ -+ if (loop >= 42) { -+ ATH_DBG_WARN(1, -+ "ath9k_hsr_write_a_chain: can't clear an output buffer after a 42 cycles.\n"); -+ return -1; -+ } -+ } -+ -+ for (i = 0; (i < items) && (chain[i] != 0); ++i) -+ ath9k_hsr_write_byte(ah, HSR_DELAY_PRE_WRITE, (u32)chain[i]); -+ -+ ath9k_hsr_write_byte(ah, HSR_DELAY_PRE_WRITE, 0); -+ mdelay(HSR_DELAY_FINAL / 1000); -+ -+ /* reply */ -+ memset(chain, 0, items); -+ -+ ath9k_hsr_write_byte(ah, HSR_DELAY_PRE_WRITE, 0); -+ udelay(HSR_DELAY_TRAILING); -+ -+ for (i = 0; i < (items - 1); ++i) { -+ u32 ret; -+ -+ ret = ath9k_hsr_write_byte(ah, HSR_DELAY_PRE_WRITE, 0); -+ if (ret != 0) -+ chain[i] = (char)ret; -+ else -+ break; -+ -+ udelay(HSR_DELAY_TRAILING); -+ } -+ -+ if (i <= 1) -+ return 0; -+ -+ err = kstrtoint(chain + 1, 10, &i); -+ if (err) -+ return err; -+ -+ return i; -+} -+ -+int ath9k_hsr_disable(struct ath_hw *ah) -+{ -+ char cmd[10] = {'b', '4', '0', 0, 0, 0, 0, 0, 0, 0}; -+ int ret; -+ -+ ret = ath9k_hsr_write_a_chain(ah, cmd, sizeof(cmd)); -+ if ((ret > 0) && (*cmd == 'B')) -+ return 0; -+ -+ return -1; -+} -+ -+int ath9k_hsr_enable(struct ath_hw *ah, int bw, int fq) -+{ -+ char cmd[10]; -+ int ret; -+ -+ /* Bandwidth argument is 0 sometimes. Assume default 802.11bgn -+ * 20MHz on invalid values -+ */ -+ if ((bw != 5) && (bw != 10) && (bw != 20) && (bw != 40)) -+ bw = 20; -+ -+ memset(cmd, 0, sizeof(cmd)); -+ *cmd = 'b'; -+ snprintf(cmd + 1, 3, "%02d", bw); -+ -+ ret = ath9k_hsr_write_a_chain(ah, cmd, sizeof(cmd)); -+ if ((*cmd != 'B') || (ret != bw)) { -+ ATH_DBG_WARN(1, -+ "ath9k_hsr_enable: failed changing bandwidth -> set (%d,%d) reply (%d, %d)\n", -+ 'b', bw, *cmd, ret); -+ return -1; -+ } -+ -+ memset(cmd, 0, sizeof(cmd)); -+ *cmd = 'x'; -+ ret = ath9k_hsr_write_a_chain(ah, cmd, sizeof(cmd)); -+ if (*cmd != 'X') { -+ ATH_DBG_WARN(1, -+ "ath9k_hsr_enable: failed 'x' command -> reply (%d, %d)\n", -+ *cmd, ret); -+ return -1; -+ } -+ -+ memset(cmd, 0, sizeof(cmd)); -+ *cmd = 'm'; -+ ret = ath9k_hsr_write_a_chain(ah, cmd, sizeof(cmd)); -+ if (*cmd != 'M') { -+ ATH_DBG_WARN(1, -+ "ath9k_hsr_enable: failed 'm' command -> reply (%d, %d)\n", -+ *cmd, ret); -+ return -1; -+ } -+ -+ memset(cmd, 0, sizeof(cmd)); -+ *cmd = 'f'; -+ snprintf(cmd + 1, 6, "%05d", fq); -+ ret = ath9k_hsr_write_a_chain(ah, cmd, sizeof(cmd)); -+ if ((*cmd != 'F') && (ret != fq)) { -+ ATH_DBG_WARN(1, -+ "ath9k_hsr_enable: failed set frequency -> reply (%d, %d)\n", -+ *cmd, ret); -+ return -1; -+ } -+ -+ return 0; -+} -+ -+int ath9k_hsr_status(struct ath_hw *ah) -+{ -+ char cmd[10] = {'s', 0, 0, 0, 0, 0, 0, 0, 0, 0}; -+ int ret; -+ -+ ret = ath9k_hsr_write_a_chain(ah, cmd, sizeof(cmd)); -+ if (*cmd != 'S') { -+ ATH_DBG_WARN(1, "ath9k_hsr_status: returned %d,%d\n", *cmd, -+ ret); -+ return -1; -+ } -+ -+ return 0; -+} ---- /dev/null -+++ b/drivers/net/wireless/ath/ath9k/hsr.h -@@ -0,0 +1,48 @@ -+/* -+ * The MIT License (MIT) -+ * -+ * Copyright (c) 2015 Kirill Berezin -+ * -+ * Permission is hereby granted, free of charge, to any person obtaining a copy -+ * of this software and associated documentation files (the "Software"), to deal -+ * in the Software without restriction, including without limitation the rights -+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -+ * copies of the Software, and to permit persons to whom the Software is -+ * furnished to do so, subject to the following conditions: -+ * -+ * The above copyright notice and this permission notice shall be included in -+ * all copies or substantial portions of the Software. -+ * -+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -+ * SOFTWARE. -+ */ -+ -+#ifndef HSR_H -+#define HSR_H -+ -+#ifdef CPTCFG_ATH9K_UBNTHSR -+ -+void ath9k_hsr_init(struct ath_hw *ah); -+int ath9k_hsr_disable(struct ath_hw *ah); -+int ath9k_hsr_enable(struct ath_hw *ah, int bw, int fq); -+int ath9k_hsr_status(struct ath_hw *ah); -+ -+#else -+static inline void ath9k_hsr_init(struct ath_hw *ah) {} -+ -+static inline int ath9k_hsr_enable(struct ath_hw *ah, int bw, int fq) -+{ -+ return 0; -+} -+ -+static inline int ath9k_hsr_disable(struct ath_hw *ah) { return 0; } -+static inline int ath9k_hsr_status(struct ath_hw *ah) { return 0; } -+ -+#endif -+ -+#endif /* HSR_H */ ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -18,6 +18,7 @@ - #include <linux/delay.h> - #include "ath9k.h" - #include "btcoex.h" -+#include "hsr.h" - - static void ath9k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - u32 queues, bool drop); -@@ -652,6 +653,7 @@ void ath_reset_work(struct work_struct * - static int ath9k_start(struct ieee80211_hw *hw) - { - struct ath_softc *sc = hw->priv; -+ struct device_node *np = sc->dev->of_node; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_channel *curchan = sc->cur_chan->chandef.chan; -@@ -730,6 +732,11 @@ static int ath9k_start(struct ieee80211_ - AR_GPIO_OUTPUT_MUX_AS_OUTPUT); - } - -+ if (of_property_read_bool(np, "ubnt,hsr")) { -+ ath9k_hsr_init(ah); -+ ath9k_hsr_disable(ah); -+ } -+ - /* - * Reset key cache to sane defaults (all entries cleared) instead of - * semi-random values after suspend/resume. ---- a/drivers/net/wireless/ath/ath9k/Makefile -+++ b/drivers/net/wireless/ath/ath9k/Makefile -@@ -17,6 +17,7 @@ ath9k-$(CPTCFG_ATH9K_DFS_CERTIFIED) += d - ath9k-$(CPTCFG_ATH9K_TX99) += tx99.o - ath9k-$(CPTCFG_ATH9K_WOW) += wow.o - ath9k-$(CPTCFG_ATH9K_HWRNG) += rng.o -+ath9k-$(CPTCFG_ATH9K_UBNTHSR) += hsr.o - - ath9k-$(CPTCFG_ATH9K_DEBUGFS) += debug.o - ---- a/local-symbols -+++ b/local-symbols -@@ -113,6 +113,7 @@ ATH9K_WOW= - ATH9K_RFKILL= - ATH9K_CHANNEL_CONTEXT= - ATH9K_PCOEM= -+ATH9K_UBNTHSR= - ATH9K_PCI_NO_EEPROM= - ATH9K_HTC= - ATH9K_HTC_DEBUGFS= ---- a/drivers/net/wireless/ath/ath9k/Kconfig -+++ b/drivers/net/wireless/ath/ath9k/Kconfig -@@ -58,6 +58,19 @@ config ATH9K_AHB - Say Y, if you have a SoC with a compatible built-in - wireless MAC. Say N if unsure. - -+config ATH9K_UBNTHSR -+ bool "Ubiquiti UniFi Outdoor Plus HSR support" -+ depends on ATH9K -+ ---help--- -+ This options enables code to control the HSR RF -+ filter in the receive path of the Ubiquiti UniFi -+ Outdoor Plus access point. -+ -+ Say Y if you want to use the access point. The -+ code will only be used if the device is detected, -+ so it does not harm other setup other than occupying -+ a bit of memory. -+ - config ATH9K_DEBUGFS - bool "Atheros ath9k debugging" - depends on ATH9K && DEBUG_FS |