forked from Minki/linux
b43: HT-PHY: implement MAC reclocking
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -290,6 +290,7 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev,
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{
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struct bcma_device *core = dev->dev->bdev;
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int spuravoid = 0;
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u16 tmp;
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/* Check for 13 and 14 is just a guess, we don't have enough logs. */
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if (new_channel->hw_value == 13 || new_channel->hw_value == 14)
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@ -301,6 +302,23 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev,
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B43_BCMA_CLKCTLST_PHY_PLL_REQ,
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B43_BCMA_CLKCTLST_80211_PLL_ST |
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B43_BCMA_CLKCTLST_PHY_PLL_ST, false);
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/* Values has been taken from wlc_bmac_switch_macfreq comments */
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switch (spuravoid) {
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case 2: /* 126MHz */
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tmp = 0x2082;
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break;
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case 1: /* 123MHz */
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tmp = 0x5341;
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break;
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default: /* 120MHz */
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tmp = 0x8889;
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}
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b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, tmp);
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b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
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/* TODO: reset PLL */
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}
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static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
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