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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-17 09:25:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-17 09:25:04 +0000
commit9a2fbbd0e16f98edf2fcb7fff59fedbb96338aa4 (patch)
tree6fded03e579078dd23375575e45c9a8a487c22ea /carl9170fw/carlfw/src/rf.c
parentAdding debian version 20200122-4. (diff)
downloadfirmware-free-9a2fbbd0e16f98edf2fcb7fff59fedbb96338aa4.tar.xz
firmware-free-9a2fbbd0e16f98edf2fcb7fff59fedbb96338aa4.zip
Merging upstream version 20240610.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'carl9170fw/carlfw/src/rf.c')
-rw-r--r--carl9170fw/carlfw/src/rf.c277
1 files changed, 0 insertions, 277 deletions
diff --git a/carl9170fw/carlfw/src/rf.c b/carl9170fw/carlfw/src/rf.c
deleted file mode 100644
index e031dd8..0000000
--- a/carl9170fw/carlfw/src/rf.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * PHY and RF functions
- *
- * Copyright (c) 2000-2005 ZyDAS Technology Corporation
- * Copyright (c) 2007-2009 Atheros Communications, Inc.
- * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "carl9170.h"
-#include "timer.h"
-#include "printf.h"
-#include "rf.h"
-#include "shared/phy.h"
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
-static void set_channel_end(void)
-{
- /* Manipulate CCA threshold to resume transmission */
- set(AR9170_PHY_REG_CCA_THRESHOLD, 0x0);
- /* Disable Virtual CCA */
- andl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
- ~AR9170_MAC_VIRTUAL_CCA_ALL);
-
- fw.phy.state = CARL9170_PHY_ON;
-}
-
-void rf_notify_set_channel(void)
-{
- /* Manipulate CCA threshold to stop transmission */
- set(AR9170_PHY_REG_CCA_THRESHOLD, 0x300);
- /* Enable Virtual CCA */
- orl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
- AR9170_MAC_VIRTUAL_CCA_ALL);
-
- /* reset CCA stats */
- fw.tally.active = 0;
- fw.tally.cca = 0;
- fw.tally.tx_time = 0;
- fw.phy.state = CARL9170_PHY_OFF;
-}
-
-/*
- * Update delta slope coeff man and exp
- */
-static void hw_turn_off_dyn(const uint32_t delta_slope_coeff_exp,
- const uint32_t delta_slope_coeff_man,
- const uint32_t delta_slope_coeff_exp_shgi,
- const uint32_t delta_slope_coeff_man_shgi)
-{
- uint32_t tmp;
-
- tmp = get_async(AR9170_PHY_REG_TIMING3) & 0x00001fff;
- tmp |= (delta_slope_coeff_man << AR9170_PHY_TIMING3_DSC_MAN_S) &
- AR9170_PHY_TIMING3_DSC_MAN;
- tmp |= (delta_slope_coeff_exp << AR9170_PHY_TIMING3_DSC_EXP_S) &
- AR9170_PHY_TIMING3_DSC_EXP;
-
- set(AR9170_PHY_REG_TIMING3, tmp);
-
- tmp = (delta_slope_coeff_man_shgi << AR9170_PHY_HALFGI_DSC_MAN_S) &
- AR9170_PHY_HALFGI_DSC_MAN;
-
- tmp |= (delta_slope_coeff_exp_shgi << AR9170_PHY_HALFGI_DSC_EXP_S) &
- AR9170_PHY_HALFGI_DSC_EXP;
-
- set(AR9170_PHY_REG_HALFGI, tmp);
-}
-
-static void program_ADDAC(void)
-{
- /* ??? Select Internal ADDAC ??? (is external radio) */
- set(AR9170_PHY_REG_ADC_SERIAL_CTL, AR9170_PHY_ADC_SCTL_SEL_EXTERNAL_RADIO);
-
- delay(10);
-
- set(0x1c589c, 0x00000000); /*# 7-0 */
- set(0x1c589c, 0x00000000); /*# 15-8 */
- set(0x1c589c, 0x00000000); /*# 23-16 */
- set(0x1c589c, 0x00000000); /*# 31- */
-
- set(0x1c589c, 0x00000000); /*# 39- */
- set(0x1c589c, 0x00000000); /*# 47- */
- set(0x1c589c, 0x00000000); /*# 55- [48]:doubles the xtalosc bias current */
- set(0x1c589c, 0x00000000); /*# 63- */
-
- set(0x1c589c, 0x00000000); /*# 71- */
- set(0x1c589c, 0x00000000); /*# 79- */
- set(0x1c589c, 0x00000000); /*# 87- */
- set(0x1c589c, 0x00000000); /*# 95- */
-
- set(0x1c589c, 0x00000000); /*# 103- */
- set(0x1c589c, 0x00000000); /*# 111- */
- set(0x1c589c, 0x00000000); /*# 119- */
- set(0x1c589c, 0x00000000); /*# 127- */
-
- set(0x1c589c, 0x00000000); /*# 135- */
- set(0x1c589c, 0x00000000); /*# 143- */
- set(0x1c589c, 0x00000000); /*# 151- */
- set(0x1c589c, 0x00000030); /*# 159- #[158:156]=xlnabufmode */
-
- set(0x1c589c, 0x00000004); /*# 167- [162]:disable clkp_driver to flow */
- set(0x1c589c, 0x00000000); /*# 175- */
- set(0x1c589c, 0x00000000); /*# 183-176 */
- set(0x1c589c, 0x00000000); /*# 191-184 */
-
- set(0x1c589c, 0x00000000); /*# 199- */
- set(0x1c589c, 0x00000000); /*# 207- */
- set(0x1c589c, 0x00000000); /*# 215- */
- set(0x1c589c, 0x00000000); /*# 223- */
-
- set(0x1c589c, 0x00000000); /*# 231- */
- set(0x1c58c4, 0x00000000); /*# 233-232 */
-
- delay(10);
-
- /* Select External Flow ???? (is internal addac??) */
- set(AR9170_PHY_REG_ADC_SERIAL_CTL, AR9170_PHY_ADC_SCTL_SEL_INTERNAL_ADDAC);
-}
-
-static uint32_t AGC_calibration(uint32_t loop)
-{
- uint32_t wrdata;
- uint32_t ret;
-
-#define AGC_CAL_NF (AR9170_PHY_AGC_CONTROL_CAL | AR9170_PHY_AGC_CONTROL_NF)
-
- wrdata = get_async(AR9170_PHY_REG_AGC_CONTROL) | AGC_CAL_NF;
- set(AR9170_PHY_REG_AGC_CONTROL, wrdata);
-
- ret = get_async(AR9170_PHY_REG_AGC_CONTROL) & AGC_CAL_NF;
-
- /* sitesurvey : 100 ms / current connected 200 ms */
- while ((ret != 0) && loop--) {
- udelay(100);
-
- ret = get_async(AR9170_PHY_REG_AGC_CONTROL) & AGC_CAL_NF;
- }
-
- /* return the AGC/Noise calibration state to the driver */
- return ret;
-}
-
-#define EIGHTY_FLAG (CARL9170FW_PHY_HT_ENABLE | CARL9170FW_PHY_HT_DYN2040)
-
-static uint32_t rf_init(const uint32_t delta_slope_coeff_exp,
- const uint32_t delta_slope_coeff_man,
- const uint32_t delta_slope_coeff_exp_shgi,
- const uint32_t delta_slope_coeff_man_shgi,
- const uint32_t finiteLoopCount,
- const bool initialize)
-{
- uint32_t ret;
-
- hw_turn_off_dyn(delta_slope_coeff_exp,
- delta_slope_coeff_man,
- delta_slope_coeff_exp_shgi,
- delta_slope_coeff_man_shgi);
-
- if (initialize) {
- /* Real Chip */
- program_ADDAC();
-
- /* inverse chain 0 <-> chain 2 */
- set(AR9170_PHY_REG_ANALOG_SWAP, AR9170_PHY_ANALOG_SWAP_AB);
-
- /* swap chain 0 and chain 2 */
- set(AR9170_PHY_REG_ANALOG_SWAP, AR9170_PHY_ANALOG_SWAP_AB |
- AR9170_PHY_ANALOG_SWAP_ALT_CHAIN);
-
- /* Activate BB */
- set(AR9170_PHY_REG_ACTIVE, AR9170_PHY_ACTIVE_EN);
- delay(10);
- }
-
- ret = AGC_calibration(finiteLoopCount);
-
- set_channel_end();
- return ret;
-}
-
-void rf_cmd(const struct carl9170_cmd *cmd, struct carl9170_rsp *resp)
-{
- uint32_t ret;
-
- fw.phy.ht_settings = cmd->rf_init.ht_settings;
- fw.phy.frequency = cmd->rf_init.freq;
-
- /*
- * Is the clock controlled by the PHY?
- */
- if ((fw.phy.ht_settings & EIGHTY_FLAG) == EIGHTY_FLAG)
- clock_set(AHB_80_88MHZ, true);
- else
- clock_set(AHB_40_44MHZ, true);
-
- ret = rf_init(le32_to_cpu(cmd->rf_init.delta_slope_coeff_exp),
- le32_to_cpu(cmd->rf_init.delta_slope_coeff_man),
- le32_to_cpu(cmd->rf_init.delta_slope_coeff_exp_shgi),
- le32_to_cpu(cmd->rf_init.delta_slope_coeff_man_shgi),
- le32_to_cpu(cmd->rf_init.finiteLoopCount),
- cmd->hdr.cmd == CARL9170_CMD_RF_INIT);
-
- resp->hdr.len = sizeof(struct carl9170_rf_init_result);
- resp->rf_init_res.ret = cpu_to_le32(ret);
-}
-
-void rf_psm(void)
-{
- u32 bank3;
-
- if (fw.phy.psm.state == CARL9170_PSM_SOFTWARE) {
- /* not enabled by the driver */
- return;
- }
-
- if (fw.phy.psm.state & CARL9170_PSM_SLEEP) {
- fw.phy.psm.state &= ~CARL9170_PSM_SLEEP;
-
- /* disable all agc gain and offset updates to a2 */
- set(AR9170_PHY_REG_TEST2, 0x8000000);
-
- /* power down ADDAC */
- set(AR9170_PHY_REG_ADC_CTL,
- AR9170_PHY_ADC_CTL_OFF_PWDDAC |
- AR9170_PHY_ADC_CTL_OFF_PWDADC |
- 0xa0000000);
-
- /* Synthesizer off + RX off */
- bank3 = 0x00400018;
-
- fw.phy.state = CARL9170_PHY_OFF;
- } else {
- /* advance to the next PSM step */
- fw.phy.psm.state--;
-
- if (fw.phy.psm.state == CARL9170_PSM_WAKE) {
- /* wake up ADDAC */
- set(AR9170_PHY_REG_ADC_CTL,
- AR9170_PHY_ADC_CTL_OFF_PWDDAC |
- AR9170_PHY_ADC_CTL_OFF_PWDADC);
-
- /* enable all agc gain and offset updates to a2 */
- set(AR9170_PHY_REG_TEST2, 0x0);
-
- /* Synthesizer on + RX on */
- bank3 = 0x01420098;
-
- fw.phy.state = CARL9170_PHY_ON;
- } else {
- return ;
- }
- }
-
- if (fw.phy.frequency < 3000000)
- bank3 |= 0x00800000;
-
- set(0x1c58f0, bank3);
-}
-
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */