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path: root/drivers/net/wireless/ath/ath5k/rfgain.h
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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/rfgain.h')
-rw-r--r--drivers/net/wireless/ath/ath5k/rfgain.h30
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath5k/rfgain.h b/drivers/net/wireless/ath/ath5k/rfgain.h
index 1354d8c392c..4d21df0e597 100644
--- a/drivers/net/wireless/ath/ath5k/rfgain.h
+++ b/drivers/net/wireless/ath/ath5k/rfgain.h
@@ -18,19 +18,23 @@
*
*/
-/*
+/**
+ * struct ath5k_ini_rfgain - RF Gain table
+ * @rfg_register: RF Gain register address
+ * @rfg_value: Register value for 5 and 2GHz
+ *
* Mode-specific RF Gain table (64bytes) for RF5111/5112
* (RF5110 only comes with AR5210 and only supports a/turbo a mode so initial
* RF Gain values are included in AR5K_AR5210_INI)
*/
struct ath5k_ini_rfgain {
- u16 rfg_register; /* RF Gain register address */
+ u16 rfg_register;
u32 rfg_value[2]; /* [freq (see below)] */
};
/* Initial RF Gain settings for RF5111 */
static const struct ath5k_ini_rfgain rfgain_5111[] = {
- /* 5Ghz 2Ghz */
+ /* 5GHz 2GHz */
{ AR5K_RF_GAIN(0), { 0x000001a9, 0x00000000 } },
{ AR5K_RF_GAIN(1), { 0x000001e9, 0x00000040 } },
{ AR5K_RF_GAIN(2), { 0x00000029, 0x00000080 } },
@@ -99,7 +103,7 @@ static const struct ath5k_ini_rfgain rfgain_5111[] = {
/* Initial RF Gain settings for RF5112 */
static const struct ath5k_ini_rfgain rfgain_5112[] = {
- /* 5Ghz 2Ghz */
+ /* 5GHz 2GHz */
{ AR5K_RF_GAIN(0), { 0x00000007, 0x00000007 } },
{ AR5K_RF_GAIN(1), { 0x00000047, 0x00000047 } },
{ AR5K_RF_GAIN(2), { 0x00000087, 0x00000087 } },
@@ -305,7 +309,7 @@ static const struct ath5k_ini_rfgain rfgain_2316[] = {
/* Initial RF Gain settings for RF5413 */
static const struct ath5k_ini_rfgain rfgain_5413[] = {
- /* 5Ghz 2Ghz */
+ /* 5GHz 2GHz */
{ AR5K_RF_GAIN(0), { 0x00000000, 0x00000000 } },
{ AR5K_RF_GAIN(1), { 0x00000040, 0x00000040 } },
{ AR5K_RF_GAIN(2), { 0x00000080, 0x00000080 } },
@@ -452,21 +456,34 @@ static const struct ath5k_ini_rfgain rfgain_2425[] = {
/* Check if our current measurement is inside our
* current variable attenuation window */
-#define AR5K_GAIN_CHECK_ADJUST(_g) \
+#define AR5K_GAIN_CHECK_ADJUST(_g) \
((_g)->g_current <= (_g)->g_low || (_g)->g_current >= (_g)->g_high)
+/**
+ * struct ath5k_gain_opt_step - An RF gain optimization step
+ * @gos_param: Set of parameters
+ * @gos_gain: Gain
+ */
struct ath5k_gain_opt_step {
s8 gos_param[AR5K_GAIN_CRN_MAX_FIX_BITS];
s8 gos_gain;
};
+/**
+ * struct ath5k_gain_opt - RF Gain optimization ladder
+ * @go_default: The default step
+ * @go_steps_count: How many optimization steps
+ * @go_step: Array of &struct ath5k_gain_opt_step
+ */
struct ath5k_gain_opt {
u8 go_default;
u8 go_steps_count;
const struct ath5k_gain_opt_step go_step[AR5K_GAIN_STEP_COUNT];
};
+
/*
+ * RF5111
* Parameters on gos_param:
* 1) Tx clip PHY register
* 2) PWD 90 RF register
@@ -490,6 +507,7 @@ static const struct ath5k_gain_opt rfgain_opt_5111 = {
};
/*
+ * RF5112
* Parameters on gos_param:
* 1) Mixgain ovr RF register
* 2) PWD 138 RF register