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authorLuciano Coelho <luca@coelho.fi>2015-03-18 18:38:26 +0200
committerTony Lindgren <tony@atomide.com>2015-03-24 09:47:57 -0700
commit44486b48b066330e0ed0a66478cc49f5975ec6c1 (patch)
tree9961c30c1a665a3dbba3e738072b8077c284f141 /drivers/net/wireless/ti/wl12xx/main.c
parent6f921fab5844941f7605b7f1a265f5fc7fe969a7 (diff)
wl12xx: use frequency instead of enumerations for pdata clocks
Instead of defining an enumeration with the FW specific values for the different clock rates, use the actual frequency instead. Also add a boolean to specify whether the clock is XTAL or not. Change all board files to reflect this. Signed-off-by: Luciano Coelho <luca@coelho.fi> [Eliad - small fixes, update board file changes] Signed-off-by: Eliad Peller <eliad@wizery.com> Tested-by: Nikita Kiryanov <nikita@compulab.co.il> Acked-by: Kalle Valo <kvalo@codeaurora.org> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/net/wireless/ti/wl12xx/main.c')
-rw-r--r--drivers/net/wireless/ti/wl12xx/main.c60
1 files changed, 56 insertions, 4 deletions
diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index 144d1f8ba473..b3f751f1e08f 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -1770,6 +1770,40 @@ wl12xx_iface_combinations[] = {
},
};
+static const struct wl12xx_clock wl12xx_refclock_table[] = {
+ { 19200000, false, WL12XX_REFCLOCK_19 },
+ { 26000000, false, WL12XX_REFCLOCK_26 },
+ { 26000000, true, WL12XX_REFCLOCK_26_XTAL },
+ { 38400000, false, WL12XX_REFCLOCK_38 },
+ { 38400000, true, WL12XX_REFCLOCK_38_XTAL },
+ { 52000000, false, WL12XX_REFCLOCK_52 },
+ { 0, false, 0 }
+};
+
+static const struct wl12xx_clock wl12xx_tcxoclock_table[] = {
+ { 16368000, true, WL12XX_TCXOCLOCK_16_368 },
+ { 16800000, true, WL12XX_TCXOCLOCK_16_8 },
+ { 19200000, true, WL12XX_TCXOCLOCK_19_2 },
+ { 26000000, true, WL12XX_TCXOCLOCK_26 },
+ { 32736000, true, WL12XX_TCXOCLOCK_32_736 },
+ { 33600000, true, WL12XX_TCXOCLOCK_33_6 },
+ { 38400000, true, WL12XX_TCXOCLOCK_38_4 },
+ { 52000000, true, WL12XX_TCXOCLOCK_52 },
+ { 0, false, 0 }
+};
+
+static int wl12xx_get_clock_idx(const struct wl12xx_clock *table,
+ u32 freq, bool xtal)
+{
+ int i;
+
+ for (i = 0; table[i].freq != 0; i++)
+ if ((table[i].freq == freq) && (table[i].xtal == xtal))
+ return table[i].hw_idx;
+
+ return -EINVAL;
+}
+
static int wl12xx_setup(struct wl1271 *wl)
{
struct wl12xx_priv *priv = wl->priv;
@@ -1799,7 +1833,17 @@ static int wl12xx_setup(struct wl1271 *wl)
wl12xx_conf_init(wl);
if (!fref_param) {
- priv->ref_clock = pdata->board_ref_clock;
+ priv->ref_clock = wl12xx_get_clock_idx(wl12xx_refclock_table,
+ pdata->ref_clock_freq,
+ pdata->ref_clock_xtal);
+ if (priv->ref_clock < 0) {
+ wl1271_error("Invalid ref_clock frequency (%d Hz, %s)",
+ pdata->ref_clock_freq,
+ pdata->ref_clock_xtal ?
+ "XTAL" : "not XTAL");
+
+ return priv->ref_clock;
+ }
} else {
if (!strcmp(fref_param, "19.2"))
priv->ref_clock = WL12XX_REFCLOCK_19;
@@ -1817,9 +1861,17 @@ static int wl12xx_setup(struct wl1271 *wl)
wl1271_error("Invalid fref parameter %s", fref_param);
}
- if (!tcxo_param) {
- priv->tcxo_clock = pdata->board_tcxo_clock;
- } else {
+ if (!tcxo_param && pdata->tcxo_clock_freq) {
+ priv->tcxo_clock = wl12xx_get_clock_idx(wl12xx_tcxoclock_table,
+ pdata->tcxo_clock_freq,
+ true);
+ if (priv->tcxo_clock < 0) {
+ wl1271_error("Invalid tcxo_clock frequency (%d Hz)",
+ pdata->tcxo_clock_freq);
+
+ return priv->tcxo_clock;
+ }
+ } else if (tcxo_param) {
if (!strcmp(tcxo_param, "19.2"))
priv->tcxo_clock = WL12XX_TCXOCLOCK_19_2;
else if (!strcmp(tcxo_param, "26"))