diff options
Diffstat (limited to 'drivers/pcmcia/topic.h')
| -rw-r--r-- | drivers/pcmcia/topic.h | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/pcmcia/topic.h b/drivers/pcmcia/topic.h index be420bb2911..615a45a8fe8 100644 --- a/drivers/pcmcia/topic.h +++ b/drivers/pcmcia/topic.h @@ -101,6 +101,8 @@ #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) { @@ -112,22 +114,17 @@ 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) @@ -137,4 +134,19 @@ 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 */ |