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author | Oleksij Rempel <linux@rempel-privat.de> | 2014-11-06 08:53:29 +0100 |
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committer | John W. Linville <linville@tuxdriver.com> | 2014-11-11 16:31:14 -0500 |
commit | f00a422cc81ef665f5098c0bc43cb0c616e55a9b (patch) | |
tree | 24caa257e4b0afeceb748e34aaeebdb9bc04f007 /drivers/net/wireless/ath/ath9k/spectral.c | |
parent | 963916dfe2907d91eb8a250d12d2b5ae5a1bb343 (diff) | |
download | blackbird-op-linux-f00a422cc81ef665f5098c0bc43cb0c616e55a9b.tar.gz blackbird-op-linux-f00a422cc81ef665f5098c0bc43cb0c616e55a9b.zip |
ath9k: move ath9k_spectral_scan_ from main.c to spectral.c
Now we should be ready to make this code common.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/spectral.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/spectral.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/spectral.c b/drivers/net/wireless/ath/ath9k/spectral.c index 756d63ea6205..bf85740ab84b 100644 --- a/drivers/net/wireless/ath/ath9k/spectral.c +++ b/drivers/net/wireless/ath/ath9k/spectral.c @@ -234,6 +234,76 @@ static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf, return simple_read_from_buffer(user_buf, count, ppos, mode, len); } +void ath9k_spectral_scan_trigger(struct ath_common *common, + struct ath_spec_scan_priv *spec_priv) +{ + struct ath_hw *ah = spec_priv->ah; + u32 rxfilter; + + if (config_enabled(CONFIG_ATH9K_TX99)) + return; + + if (!ath9k_hw_ops(ah)->spectral_scan_trigger) { + ath_err(common, "spectrum analyzer not implemented on this hardware\n"); + return; + } + + ath_ps_ops(common)->wakeup(common); + rxfilter = ath9k_hw_getrxfilter(ah); + ath9k_hw_setrxfilter(ah, rxfilter | + ATH9K_RX_FILTER_PHYRADAR | + ATH9K_RX_FILTER_PHYERR); + + /* TODO: usually this should not be neccesary, but for some reason + * (or in some mode?) the trigger must be called after the + * configuration, otherwise the register will have its values reset + * (on my ar9220 to value 0x01002310) + */ + ath9k_spectral_scan_config(common, spec_priv, spec_priv->spectral_mode); + ath9k_hw_ops(ah)->spectral_scan_trigger(ah); + ath_ps_ops(common)->restore(common); +} + +int ath9k_spectral_scan_config(struct ath_common *common, + struct ath_spec_scan_priv *spec_priv, + enum spectral_mode spectral_mode) +{ + struct ath_hw *ah = spec_priv->ah; + + if (!ath9k_hw_ops(ah)->spectral_scan_trigger) { + ath_err(common, "spectrum analyzer not implemented on this hardware\n"); + return -1; + } + + switch (spectral_mode) { + case SPECTRAL_DISABLED: + spec_priv->spec_config.enabled = 0; + break; + case SPECTRAL_BACKGROUND: + /* send endless samples. + * TODO: is this really useful for "background"? + */ + spec_priv->spec_config.endless = 1; + spec_priv->spec_config.enabled = 1; + break; + case SPECTRAL_CHANSCAN: + case SPECTRAL_MANUAL: + spec_priv->spec_config.endless = 0; + spec_priv->spec_config.enabled = 1; + break; + default: + return -1; + } + + ath_ps_ops(common)->wakeup(common); + ath9k_hw_ops(ah)->spectral_scan_config(ah, &spec_priv->spec_config); + ath_ps_ops(common)->restore(common); + + spec_priv->spectral_mode = spectral_mode; + + return 0; +} + static ssize_t write_file_spec_scan_ctl(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) |