summaryrefslogtreecommitdiffstats
path: root/drivers/pcmcia
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/topic.h17
-rw-r--r--drivers/pcmcia/yenta_socket.c125
-rw-r--r--drivers/pcmcia/yenta_socket.h8
3 files changed, 122 insertions, 28 deletions
diff --git a/drivers/pcmcia/topic.h b/drivers/pcmcia/topic.h
index be420bb2911..edccfa5bb40 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)
{
@@ -137,4 +139,19 @@ 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 */
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 62fd705203f..0347a29f297 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -184,22 +184,52 @@ static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
return 0;
}
-static int yenta_Vcc_power(u32 control)
+static void yenta_get_power(struct yenta_socket *socket, socket_state_t *state)
{
- switch (control & CB_SC_VCC_MASK) {
- case CB_SC_VCC_5V: return 50;
- case CB_SC_VCC_3V: return 33;
- default: return 0;
- }
-}
+ if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
+ (socket->flags & YENTA_16BIT_POWER_EXCA)) {
+ u8 reg, vcc, vpp;
+
+ reg = exca_readb(socket, I365_POWER);
+ vcc = reg & I365_VCC_MASK;
+ vpp = reg & I365_VPP1_MASK;
+ state->Vcc = state->Vpp = 0;
+
+ if (socket->flags & YENTA_16BIT_POWER_DF) {
+ if (vcc == I365_VCC_3V)
+ state->Vcc = 33;
+ if (vcc == I365_VCC_5V)
+ state->Vcc = 50;
+ if (vpp == I365_VPP1_5V)
+ state->Vpp = state->Vcc;
+ if (vpp == I365_VPP1_12V)
+ state->Vpp = 120;
+ } else {
+ if (reg & I365_VCC_5V) {
+ state->Vcc = 50;
+ if (vpp == I365_VPP1_5V)
+ state->Vpp = 50;
+ if (vpp == I365_VPP1_12V)
+ state->Vpp = 120;
+ }
+ }
+ } else {
+ u32 control;
-static int yenta_Vpp_power(u32 control)
-{
- switch (control & CB_SC_VPP_MASK) {
- case CB_SC_VPP_12V: return 120;
- case CB_SC_VPP_5V: return 50;
- case CB_SC_VPP_3V: return 33;
- default: return 0;
+ control = cb_readl(socket, CB_SOCKET_CONTROL);
+
+ switch (control & CB_SC_VCC_MASK) {
+ case CB_SC_VCC_5V: state->Vcc = 50; break;
+ case CB_SC_VCC_3V: state->Vcc = 33; break;
+ default: state->Vcc = 0;
+ }
+
+ switch (control & CB_SC_VPP_MASK) {
+ case CB_SC_VPP_12V: state->Vpp = 120; break;
+ case CB_SC_VPP_5V: state->Vpp = 50; break;
+ case CB_SC_VPP_3V: state->Vpp = 33; break;
+ default: state->Vpp = 0;
+ }
}
}
@@ -211,8 +241,7 @@ static int yenta_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
control = cb_readl(socket, CB_SOCKET_CONTROL);
- state->Vcc = yenta_Vcc_power(control);
- state->Vpp = yenta_Vpp_power(control);
+ yenta_get_power(socket, state);
state->io_irq = socket->io_irq;
if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
@@ -246,19 +275,54 @@ static int yenta_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
{
- u32 reg = 0; /* CB_SC_STPCLK? */
- switch (state->Vcc) {
- case 33: reg = CB_SC_VCC_3V; break;
- case 50: reg = CB_SC_VCC_5V; break;
- default: reg = 0; break;
- }
- switch (state->Vpp) {
- case 33: reg |= CB_SC_VPP_3V; break;
- case 50: reg |= CB_SC_VPP_5V; break;
- case 120: reg |= CB_SC_VPP_12V; break;
+ /* some birdges require to use the ExCA registers to power 16bit cards */
+ if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
+ (socket->flags & YENTA_16BIT_POWER_EXCA)) {
+ u8 reg, old;
+ reg = old = exca_readb(socket, I365_POWER);
+ reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
+
+ /* i82365SL-DF style */
+ if (socket->flags & YENTA_16BIT_POWER_DF) {
+ switch (state->Vcc) {
+ case 33: reg |= I365_VCC_3V; break;
+ case 50: reg |= I365_VCC_5V; break;
+ default: reg = 0; break;
+ }
+ switch (state->Vpp) {
+ case 33:
+ case 50: reg |= I365_VPP1_5V; break;
+ case 120: reg |= I365_VPP1_12V; break;
+ }
+ } else {
+ /* i82365SL-B style */
+ switch (state->Vcc) {
+ case 50: reg |= I365_VCC_5V; break;
+ default: reg = 0; break;
+ }
+ switch (state->Vpp) {
+ case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
+ case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
+ }
+ }
+
+ if (reg != old)
+ exca_writeb(socket, I365_POWER, reg);
+ } else {
+ u32 reg = 0; /* CB_SC_STPCLK? */
+ switch (state->Vcc) {
+ case 33: reg = CB_SC_VCC_3V; break;
+ case 50: reg = CB_SC_VCC_5V; break;
+ default: reg = 0; break;
+ }
+ switch (state->Vpp) {
+ case 33: reg |= CB_SC_VPP_3V; break;
+ case 50: reg |= CB_SC_VPP_5V; break;
+ case 120: reg |= CB_SC_VPP_12V; break;
+ }
+ if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
+ cb_writel(socket, CB_SOCKET_CONTROL, reg);
}
- if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
- cb_writel(socket, CB_SOCKET_CONTROL, reg);
}
static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
@@ -751,6 +815,7 @@ enum {
CARDBUS_TYPE_TI12XX,
CARDBUS_TYPE_TI1250,
CARDBUS_TYPE_RICOH,
+ CARDBUS_TYPE_TOPIC95,
CARDBUS_TYPE_TOPIC97,
CARDBUS_TYPE_O2MICRO,
};
@@ -789,6 +854,9 @@ static struct cardbus_type cardbus_type[] = {
.save_state = ricoh_save_state,
.restore_state = ricoh_restore_state,
},
+ [CARDBUS_TYPE_TOPIC95] = {
+ .override = topic95_override,
+ },
[CARDBUS_TYPE_TOPIC97] = {
.override = topic97_override,
},
@@ -1196,6 +1264,7 @@ static struct pci_device_id yenta_table [] = {
CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
+ CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
diff --git a/drivers/pcmcia/yenta_socket.h b/drivers/pcmcia/yenta_socket.h
index 4e637eef207..4e75e9e258c 100644
--- a/drivers/pcmcia/yenta_socket.h
+++ b/drivers/pcmcia/yenta_socket.h
@@ -95,6 +95,12 @@
*/
#define CB_MEM_PAGE(map) (0x40 + (map))
+
+/* control how 16bit cards are powered */
+#define YENTA_16BIT_POWER_EXCA 0x00000001
+#define YENTA_16BIT_POWER_DF 0x00000002
+
+
struct yenta_socket;
struct cardbus_type {
@@ -113,6 +119,8 @@ struct yenta_socket {
struct pcmcia_socket socket;
struct cardbus_type *type;
+ u32 flags;
+
/* for PCI interrupt probing */
unsigned int probe_status;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 01:17:40 +0000