#define TOPIC97_AVS_AUDIO_CONTROL 0x02
#define TOPIC97_AVS_VIDEO_CONTROL 0x01
+#define TOPIC_EXCA_IF_CONTROL 0x3e /* 8 bit */
+#define TOPIC_EXCA_IFC_33V_ENA 0x01
static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff)
{
reg_zv |= TOPIC97_ZV_CONTROL_ENABLE;
config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);
- reg = config_readb(socket, TOPIC97_MISC2);
- reg |= TOPIC97_MISC2_ZV_ENABLE;
- config_writeb(socket, TOPIC97_MISC2, reg);
-
- /* not sure this is needed, doc is unclear */
-#if 0
reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
reg |= TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL;
config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
-#endif
- }
- else {
+ } else {
reg_zv &= ~TOPIC97_ZV_CONTROL_ENABLE;
config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);
- }
+ reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
+ reg &= ~(TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL);
+ config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
+ }
}
static int topic97_override(struct yenta_socket *socket)
return 0;
}
+
+static int topic95_override(struct yenta_socket *socket)
+{
+ u8 fctrl;
+
+ /* enable 3.3V support for 16bit cards */
+ fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL);
+ exca_writeb(socket, TOPIC_EXCA_IF_CONTROL, fctrl | TOPIC_EXCA_IFC_33V_ENA);
+
+ /* tell yenta to use exca registers to power 16bit cards */
+ socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF;
+
+ return 0;
+}
+
#endif /* _LINUX_TOPIC_H */