This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / net / wireless / zd1211rw / zd_rf.c

diff --git a/drivers/net/wireless/zd1211rw/zd_rf.c b/drivers/net/wireless/zd1211rw/zd_rf.c
new file mode 100644 (file)
index 0000000..d3770d2
--- /dev/null
+++ b/drivers/net/wireless/zd1211rw/zd_rf.c
@@ -0,0 +1,151 @@
+/* zd_rf.c
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/errno.h>
+#include <linux/string.h>
+
+#include "zd_def.h"
+#include "zd_rf.h"
+#include "zd_ieee80211.h"
+#include "zd_chip.h"
+
+static const char *rfs[] = {
+       [0]             = "unknown RF0",
+       [1]             = "unknown RF1",
+       [UW2451_RF]     = "UW2451_RF",
+       [UCHIP_RF]      = "UCHIP_RF",
+       [AL2230_RF]     = "AL2230_RF",
+       [AL7230B_RF]    = "AL7230B_RF",
+       [THETA_RF]      = "THETA_RF",
+       [AL2210_RF]     = "AL2210_RF",
+       [MAXIM_NEW_RF]  = "MAXIM_NEW_RF",
+       [UW2453_RF]     = "UW2453_RF",
+       [AL2230S_RF]    = "AL2230S_RF",
+       [RALINK_RF]     = "RALINK_RF",
+       [INTERSIL_RF]   = "INTERSIL_RF",
+       [RF2959_RF]     = "RF2959_RF",
+       [MAXIM_NEW2_RF] = "MAXIM_NEW2_RF",
+       [PHILIPS_RF]    = "PHILIPS_RF",
+};
+
+const char *zd_rf_name(u8 type)
+{
+       if (type & 0xf0)
+               type = 0;
+       return rfs[type];
+}
+
+void zd_rf_init(struct zd_rf *rf)
+{
+       memset(rf, 0, sizeof(*rf));
+}
+
+void zd_rf_clear(struct zd_rf *rf)
+{
+       memset(rf, 0, sizeof(*rf));
+}
+
+int zd_rf_init_hw(struct zd_rf *rf, u8 type)
+{
+       int r, t;
+       struct zd_chip *chip = zd_rf_to_chip(rf);
+
+       ZD_ASSERT(mutex_is_locked(&chip->mutex));
+       switch (type) {
+       case RF2959_RF:
+               r = zd_rf_init_rf2959(rf);
+               if (r)
+                       return r;
+               break;
+       case AL2230_RF:
+               r = zd_rf_init_al2230(rf);
+               if (r)
+                       return r;
+               break;
+       default:
+               dev_err(zd_chip_dev(chip),
+                       "RF %s %#x is not supported\n", zd_rf_name(type), type);
+               rf->type = 0;
+               return -ENODEV;
+       }
+
+       rf->type = type;
+
+       r = zd_chip_lock_phy_regs(chip);
+       if (r)
+               return r;
+       t = rf->init_hw(rf);
+       r = zd_chip_unlock_phy_regs(chip);
+       if (t)
+               r = t;
+       return r;
+}
+
+int zd_rf_scnprint_id(struct zd_rf *rf, char *buffer, size_t size)
+{
+       return scnprintf(buffer, size, "%s", zd_rf_name(rf->type));
+}
+
+int zd_rf_set_channel(struct zd_rf *rf, u8 channel)
+{
+       int r;
+
+       ZD_ASSERT(mutex_is_locked(&zd_rf_to_chip(rf)->mutex));
+       if (channel < MIN_CHANNEL24)
+               return -EINVAL;
+       if (channel > MAX_CHANNEL24)
+               return -EINVAL;
+       dev_dbg_f(zd_chip_dev(zd_rf_to_chip(rf)), "channel: %d\n", channel);
+
+       r = rf->set_channel(rf, channel);
+       if (r >= 0)
+               rf->channel = channel;
+       return r;
+}
+
+int zd_switch_radio_on(struct zd_rf *rf)
+{
+       int r, t;
+       struct zd_chip *chip = zd_rf_to_chip(rf);
+
+       ZD_ASSERT(mutex_is_locked(&chip->mutex));
+       r = zd_chip_lock_phy_regs(chip);
+       if (r)
+               return r;
+       t = rf->switch_radio_on(rf);
+       r = zd_chip_unlock_phy_regs(chip);
+       if (t)
+               r = t;
+       return r;
+}
+
+int zd_switch_radio_off(struct zd_rf *rf)
+{
+       int r, t;
+       struct zd_chip *chip = zd_rf_to_chip(rf);
+
+       /* TODO: move phy regs handling to zd_chip */
+       ZD_ASSERT(mutex_is_locked(&chip->mutex));
+       r = zd_chip_lock_phy_regs(chip);
+       if (r)
+               return r;
+       t = rf->switch_radio_off(rf);
+       r = zd_chip_unlock_phy_regs(chip);
+       if (t)
+               r = t;
+       return r;
+}