diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/b43/phy_a.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/phy_a.c | 595 |
1 files changed, 0 insertions, 595 deletions
diff --git a/drivers/net/wireless/broadcom/b43/phy_a.c b/drivers/net/wireless/broadcom/b43/phy_a.c deleted file mode 100644 index 99c036f5ecb7..000000000000 --- a/drivers/net/wireless/broadcom/b43/phy_a.c +++ /dev/null @@ -1,595 +0,0 @@ -/* - - Broadcom B43 wireless driver - IEEE 802.11a PHY driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it> - Copyright (c) 2005-2008 Michael Buesch <m@bues.ch> - Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org> - Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch> - - 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; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/slab.h> - -#include "b43.h" -#include "phy_a.h" -#include "phy_common.h" -#include "wa.h" -#include "tables.h" -#include "main.h" - - -/* Get the freq, as it has to be written to the device. */ -static inline u16 channel2freq_a(u8 channel) -{ - B43_WARN_ON(channel > 200); - - return (5000 + 5 * channel); -} - -static inline u16 freq_r3A_value(u16 frequency) -{ - u16 value; - - if (frequency < 5091) - value = 0x0040; - else if (frequency < 5321) - value = 0x0000; - else if (frequency < 5806) - value = 0x0080; - else - value = 0x0040; - - return value; -} - -#if 0 -/* This function converts a TSSI value to dBm in Q5.2 */ -static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi) -{ - struct b43_phy *phy = &dev->phy; - struct b43_phy_a *aphy = phy->a; - s8 dbm = 0; - s32 tmp; - - tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi); - tmp += 0x80; - tmp = clamp_val(tmp, 0x00, 0xFF); - dbm = aphy->tssi2dbm[tmp]; - //TODO: There's a FIXME on the specs - - return dbm; -} -#endif - -static void b43_radio_set_tx_iq(struct b43_wldev *dev) -{ - static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 }; - static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A }; - u16 tmp = b43_radio_read16(dev, 0x001E); - int i, j; - - for (i = 0; i < 5; i++) { - for (j = 0; j < 5; j++) { - if (tmp == (data_high[i] << 4 | data_low[j])) { - b43_phy_write(dev, 0x0069, - (i - j) << 8 | 0x00C0); - return; - } - } - } -} - -static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel) -{ - u16 freq, r8, tmp; - - freq = channel2freq_a(channel); - - r8 = b43_radio_read16(dev, 0x0008); - b43_write16(dev, 0x03F0, freq); - b43_radio_write16(dev, 0x0008, r8); - - //TODO: write max channel TX power? to Radio 0x2D - tmp = b43_radio_read16(dev, 0x002E); - tmp &= 0x0080; - //TODO: OR tmp with the Power out estimation for this channel? - b43_radio_write16(dev, 0x002E, tmp); - - if (freq >= 4920 && freq <= 5500) { - /* - * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F; - * = (freq * 0.025862069 - */ - r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */ - } - b43_radio_write16(dev, 0x0007, (r8 << 4) | r8); - b43_radio_write16(dev, 0x0020, (r8 << 4) | r8); - b43_radio_write16(dev, 0x0021, (r8 << 4) | r8); - b43_radio_maskset(dev, 0x0022, 0x000F, (r8 << 4)); - b43_radio_write16(dev, 0x002A, (r8 << 4)); - b43_radio_write16(dev, 0x002B, (r8 << 4)); - b43_radio_maskset(dev, 0x0008, 0x00F0, (r8 << 4)); - b43_radio_maskset(dev, 0x0029, 0xFF0F, 0x00B0); - b43_radio_write16(dev, 0x0035, 0x00AA); - b43_radio_write16(dev, 0x0036, 0x0085); - b43_radio_maskset(dev, 0x003A, 0xFF20, freq_r3A_value(freq)); - b43_radio_mask(dev, 0x003D, 0x00FF); - b43_radio_maskset(dev, 0x0081, 0xFF7F, 0x0080); - b43_radio_mask(dev, 0x0035, 0xFFEF); - b43_radio_maskset(dev, 0x0035, 0xFFEF, 0x0010); - b43_radio_set_tx_iq(dev); - //TODO: TSSI2dbm workaround -//FIXME b43_phy_xmitpower(dev); -} - -static void b43_radio_init2060(struct b43_wldev *dev) -{ - b43_radio_write16(dev, 0x0004, 0x00C0); - b43_radio_write16(dev, 0x0005, 0x0008); - b43_radio_write16(dev, 0x0009, 0x0040); - b43_radio_write16(dev, 0x0005, 0x00AA); - b43_radio_write16(dev, 0x0032, 0x008F); - b43_radio_write16(dev, 0x0006, 0x008F); - b43_radio_write16(dev, 0x0034, 0x008F); - b43_radio_write16(dev, 0x002C, 0x0007); - b43_radio_write16(dev, 0x0082, 0x0080); - b43_radio_write16(dev, 0x0080, 0x0000); - b43_radio_write16(dev, 0x003F, 0x00DA); - b43_radio_mask(dev, 0x0005, ~0x0008); - b43_radio_mask(dev, 0x0081, ~0x0010); - b43_radio_mask(dev, 0x0081, ~0x0020); - b43_radio_mask(dev, 0x0081, ~0x0020); - msleep(1); /* delay 400usec */ - - b43_radio_maskset(dev, 0x0081, ~0x0020, 0x0010); - msleep(1); /* delay 400usec */ - - b43_radio_maskset(dev, 0x0005, ~0x0008, 0x0008); - b43_radio_mask(dev, 0x0085, ~0x0010); - b43_radio_mask(dev, 0x0005, ~0x0008); - b43_radio_mask(dev, 0x0081, ~0x0040); - b43_radio_maskset(dev, 0x0081, ~0x0040, 0x0040); - b43_radio_write16(dev, 0x0005, - (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008); - b43_phy_write(dev, 0x0063, 0xDDC6); - b43_phy_write(dev, 0x0069, 0x07BE); - b43_phy_write(dev, 0x006A, 0x0000); - - aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev)); - - msleep(1); -} - -static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable) -{ - int i; - - if (dev->phy.rev < 3) { - if (enable) - for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) { - b43_ofdmtab_write16(dev, - B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8); - b43_ofdmtab_write16(dev, - B43_OFDMTAB_WRSSI, i, 0xFFF8); - } - else - for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) { - b43_ofdmtab_write16(dev, - B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]); - b43_ofdmtab_write16(dev, - B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]); - } - } else { - if (enable) - for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) - b43_ofdmtab_write16(dev, - B43_OFDMTAB_WRSSI, i, 0x0820); - else - for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++) - b43_ofdmtab_write16(dev, - B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]); - } -} - -static void b43_phy_ww(struct b43_wldev *dev) -{ - u16 b, curr_s, best_s = 0xFFFF; - int i; - - b43_phy_mask(dev, B43_PHY_CRS0, ~B43_PHY_CRS0_EN); - b43_phy_set(dev, B43_PHY_OFDM(0x1B), 0x1000); - b43_phy_maskset(dev, B43_PHY_OFDM(0x82), 0xF0FF, 0x0300); - b43_radio_set(dev, 0x0009, 0x0080); - b43_radio_maskset(dev, 0x0012, 0xFFFC, 0x0002); - b43_wa_initgains(dev); - b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5); - b = b43_phy_read(dev, B43_PHY_PWRDOWN); - b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005); - b43_radio_set(dev, 0x0004, 0x0004); - for (i = 0x10; i <= 0x20; i++) { - b43_radio_write16(dev, 0x0013, i); - curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF; - if (!curr_s) { - best_s = 0x0000; - break; - } else if (curr_s >= 0x0080) - curr_s = 0x0100 - curr_s; - if (curr_s < best_s) - best_s = curr_s; - } - b43_phy_write(dev, B43_PHY_PWRDOWN, b); - b43_radio_mask(dev, 0x0004, 0xFFFB); - b43_radio_write16(dev, 0x0013, best_s); - b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC); - b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80); - b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00); - b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0); - b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0); - b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF); - b43_phy_maskset(dev, B43_PHY_OFDM(0xBB), 0xF000, 0x0053); - b43_phy_maskset(dev, B43_PHY_OFDM61, 0xFE1F, 0x0120); - b43_phy_maskset(dev, B43_PHY_OFDM(0x13), 0x0FFF, 0x3000); - b43_phy_maskset(dev, B43_PHY_OFDM(0x14), 0x0FFF, 0x3000); - b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017); - for (i = 0; i < 6; i++) - b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F); - b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E); - b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011); - b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013); - b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030); - b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN); -} - -static void hardware_pctl_init_aphy(struct b43_wldev *dev) -{ - //TODO -} - -void b43_phy_inita(struct b43_wldev *dev) -{ - struct b43_phy *phy = &dev->phy; - - /* This lowlevel A-PHY init is also called from G-PHY init. - * So we must not access phy->a, if called from G-PHY code. - */ - B43_WARN_ON((phy->type != B43_PHYTYPE_A) && - (phy->type != B43_PHYTYPE_G)); - - might_sleep(); - - if (phy->rev >= 6) { - if (phy->type == B43_PHYTYPE_A) - b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x1000); - if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN) - b43_phy_set(dev, B43_PHY_ENCORE, 0x0010); - else - b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010); - } - - b43_wa_all(dev); - - if (phy->type == B43_PHYTYPE_A) { - if (phy->gmode && (phy->rev < 3)) - b43_phy_set(dev, 0x0034, 0x0001); - b43_phy_rssiagc(dev, 0); - - b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN); - - b43_radio_init2060(dev); - - if ((dev->dev->board_vendor == SSB_BOARDVENDOR_BCM) && - ((dev->dev->board_type == SSB_BOARD_BU4306) || - (dev->dev->board_type == SSB_BOARD_BU4309))) { - ; //TODO: A PHY LO - } - - if (phy->rev >= 3) - b43_phy_ww(dev); - - hardware_pctl_init_aphy(dev); - - //TODO: radar detection - } - - if ((phy->type == B43_PHYTYPE_G) && - (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)) { - b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF); - } -} - -/* Initialise the TSSI->dBm lookup table */ -static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev) -{ - struct b43_phy *phy = &dev->phy; - struct b43_phy_a *aphy = phy->a; - s16 pab0, pab1, pab2; - - pab0 = (s16) (dev->dev->bus_sprom->pa1b0); - pab1 = (s16) (dev->dev->bus_sprom->pa1b1); - pab2 = (s16) (dev->dev->bus_sprom->pa1b2); - - if (pab0 != 0 && pab1 != 0 && pab2 != 0 && - pab0 != -1 && pab1 != -1 && pab2 != -1) { - /* The pabX values are set in SPROM. Use them. */ - if ((s8) dev->dev->bus_sprom->itssi_a != 0 && - (s8) dev->dev->bus_sprom->itssi_a != -1) - aphy->tgt_idle_tssi = - (s8) (dev->dev->bus_sprom->itssi_a); - else - aphy->tgt_idle_tssi = 62; - aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0, - pab1, pab2); - if (!aphy->tssi2dbm) - return -ENOMEM; - } else { - /* pabX values not set in SPROM, - * but APHY needs a generated table. */ - aphy->tssi2dbm = NULL; - b43err(dev->wl, "Could not generate tssi2dBm " - "table (wrong SPROM info)!\n"); - return -ENODEV; - } - - return 0; -} - -static int b43_aphy_op_allocate(struct b43_wldev *dev) -{ - struct b43_phy_a *aphy; - int err; - - aphy = kzalloc(sizeof(*aphy), GFP_KERNEL); - if (!aphy) - return -ENOMEM; - dev->phy.a = aphy; - - err = b43_aphy_init_tssi2dbm_table(dev); - if (err) - goto err_free_aphy; - - return 0; - -err_free_aphy: - kfree(aphy); - dev->phy.a = NULL; - - return err; -} - -static void b43_aphy_op_prepare_structs(struct b43_wldev *dev) -{ - struct b43_phy *phy = &dev->phy; - struct b43_phy_a *aphy = phy->a; - const void *tssi2dbm; - int tgt_idle_tssi; - - /* tssi2dbm table is constant, so it is initialized at alloc time. - * Save a copy of the pointer. */ - tssi2dbm = aphy->tssi2dbm; - tgt_idle_tssi = aphy->tgt_idle_tssi; - - /* Zero out the whole PHY structure. */ - memset(aphy, 0, sizeof(*aphy)); - - aphy->tssi2dbm = tssi2dbm; - aphy->tgt_idle_tssi = tgt_idle_tssi; - - //TODO init struct b43_phy_a - -} - -static void b43_aphy_op_free(struct b43_wldev *dev) -{ - struct b43_phy *phy = &dev->phy; - struct b43_phy_a *aphy = phy->a; - - kfree(aphy->tssi2dbm); - aphy->tssi2dbm = NULL; - - kfree(aphy); - dev->phy.a = NULL; -} - -static int b43_aphy_op_init(struct b43_wldev *dev) -{ - b43_phy_inita(dev); - - return 0; -} - -static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset) -{ - /* OFDM registers are base-registers for the A-PHY. */ - if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) { - offset &= ~B43_PHYROUTE; - offset |= B43_PHYROUTE_BASE; - } - -#if B43_DEBUG - if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) { - /* Ext-G registers are only available on G-PHYs */ - b43err(dev->wl, "Invalid EXT-G PHY access at " - "0x%04X on A-PHY\n", offset); - dump_stack(); - } - if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) { - /* N-BMODE registers are only available on N-PHYs */ - b43err(dev->wl, "Invalid N-BMODE PHY access at " - "0x%04X on A-PHY\n", offset); - dump_stack(); - } -#endif /* B43_DEBUG */ - - return offset; -} - -static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg) -{ - reg = adjust_phyreg(dev, reg); - b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg); - return b43_read16(dev, B43_MMIO_PHY_DATA); -} - -static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) -{ - reg = adjust_phyreg(dev, reg); - b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg); - b43_write16(dev, B43_MMIO_PHY_DATA, value); -} - -static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg) -{ - /* Register 1 is a 32-bit register. */ - B43_WARN_ON(reg == 1); - /* A-PHY needs 0x40 for read access */ - reg |= 0x40; - - b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); - return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); -} - -static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) -{ - /* Register 1 is a 32-bit register. */ - B43_WARN_ON(reg == 1); - - b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); - b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); -} - -static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev) -{ - return (dev->phy.rev >= 5); -} - -static void b43_aphy_op_software_rfkill(struct b43_wldev *dev, - bool blocked) -{ - struct b43_phy *phy = &dev->phy; - - if (!blocked) { - if (phy->radio_on) - return; - b43_radio_write16(dev, 0x0004, 0x00C0); - b43_radio_write16(dev, 0x0005, 0x0008); - b43_phy_mask(dev, 0x0010, 0xFFF7); - b43_phy_mask(dev, 0x0011, 0xFFF7); - b43_radio_init2060(dev); - } else { - b43_radio_write16(dev, 0x0004, 0x00FF); - b43_radio_write16(dev, 0x0005, 0x00FB); - b43_phy_set(dev, 0x0010, 0x0008); - b43_phy_set(dev, 0x0011, 0x0008); - } -} - -static int b43_aphy_op_switch_channel(struct b43_wldev *dev, - unsigned int new_channel) -{ - if (new_channel > 200) - return -EINVAL; - aphy_channel_switch(dev, new_channel); - - return 0; -} - -static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev) -{ - return 36; /* Default to channel 36 */ -} - -static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) -{//TODO - struct b43_phy *phy = &dev->phy; - u16 tmp; - int autodiv = 0; - - if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1) - autodiv = 1; - - b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP); - - b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT, - (autodiv ? B43_ANTENNA_AUTO1 : antenna) << - B43_PHY_BBANDCFG_RXANT_SHIFT); - - if (autodiv) { - tmp = b43_phy_read(dev, B43_PHY_ANTDWELL); - if (antenna == B43_ANTENNA_AUTO1) - tmp &= ~B43_PHY_ANTDWELL_AUTODIV1; - else - tmp |= B43_PHY_ANTDWELL_AUTODIV1; - b43_phy_write(dev, B43_PHY_ANTDWELL, tmp); - } - if (phy->rev < 3) - b43_phy_maskset(dev, B43_PHY_ANTDWELL, 0xFF00, 0x24); - else { - b43_phy_set(dev, B43_PHY_OFDM61, 0x10); - if (phy->rev == 3) { - b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x1D); - b43_phy_write(dev, B43_PHY_ADIVRELATED, 8); - } else { - b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x3A); - b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8); - } - } - - b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP); -} - -static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev) -{//TODO -} - -static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev, - bool ignore_tssi) -{//TODO - return B43_TXPWR_RES_DONE; -} - -static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev) -{//TODO -} - -static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev) -{//TODO -} - -static const struct b43_phy_operations b43_phyops_a = { - .allocate = b43_aphy_op_allocate, - .free = b43_aphy_op_free, - .prepare_structs = b43_aphy_op_prepare_structs, - .init = b43_aphy_op_init, - .phy_read = b43_aphy_op_read, - .phy_write = b43_aphy_op_write, - .radio_read = b43_aphy_op_radio_read, - .radio_write = b43_aphy_op_radio_write, - .supports_hwpctl = b43_aphy_op_supports_hwpctl, - .software_rfkill = b43_aphy_op_software_rfkill, - .switch_analog = b43_phyop_switch_analog_generic, - .switch_channel = b43_aphy_op_switch_channel, - .get_default_chan = b43_aphy_op_get_default_chan, - .set_rx_antenna = b43_aphy_op_set_rx_antenna, - .recalc_txpower = b43_aphy_op_recalc_txpower, - .adjust_txpower = b43_aphy_op_adjust_txpower, - .pwork_15sec = b43_aphy_op_pwork_15sec, - .pwork_60sec = b43_aphy_op_pwork_60sec, -}; |