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path: root/drivers/staging/vt6656/baseband.c
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Diffstat (limited to 'drivers/staging/vt6656/baseband.c')
-rw-r--r--drivers/staging/vt6656/baseband.c130
1 files changed, 89 insertions, 41 deletions
diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index b29ba237fa29..8d19ae71e7cc 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -329,7 +329,7 @@ void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
* Return Value: none
*
*/
-void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode)
+int vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode)
{
switch (antenna_mode) {
case ANT_TXA:
@@ -344,8 +344,8 @@ void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode)
break;
}
- vnt_control_out(priv, MESSAGE_TYPE_SET_ANTMD,
- (u16)antenna_mode, 0, 0, NULL);
+ return vnt_control_out(priv, MESSAGE_TYPE_SET_ANTMD,
+ (u16)antenna_mode, 0, 0, NULL);
}
/*
@@ -364,7 +364,7 @@ void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode)
int vnt_vt3184_init(struct vnt_private *priv)
{
- int status;
+ int ret = 0;
u16 length;
u8 *addr;
u8 *agc;
@@ -372,11 +372,10 @@ int vnt_vt3184_init(struct vnt_private *priv)
u8 array[256];
u8 data;
- status = vnt_control_in(priv, MESSAGE_TYPE_READ, 0,
- MESSAGE_REQUEST_EEPROM, EEP_MAX_CONTEXT_SIZE,
- priv->eeprom);
- if (status != STATUS_SUCCESS)
- return false;
+ ret = vnt_control_in(priv, MESSAGE_TYPE_READ, 0, MESSAGE_REQUEST_EEPROM,
+ EEP_MAX_CONTEXT_SIZE, priv->eeprom);
+ if (ret)
+ goto end;
priv->rf_type = priv->eeprom[EEP_OFS_RFTYPE];
@@ -423,8 +422,10 @@ int vnt_vt3184_init(struct vnt_private *priv)
priv->bb_vga[3] = 0x0;
/* Fix VT3226 DFC system timing issue */
- vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
- SOFTPWRCTL_RFLEOPT);
+ ret = vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
+ SOFTPWRCTL_RFLEOPT);
+ if (ret)
+ goto end;
} else if (priv->rf_type == RF_VT3342A0) {
priv->bb_rx_conf = vnt_vt3184_vt3226d0[10];
length = sizeof(vnt_vt3184_vt3226d0);
@@ -438,48 +439,74 @@ int vnt_vt3184_init(struct vnt_private *priv)
priv->bb_vga[3] = 0x0;
/* Fix VT3226 DFC system timing issue */
- vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
- SOFTPWRCTL_RFLEOPT);
+ ret = vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
+ SOFTPWRCTL_RFLEOPT);
+ if (ret)
+ goto end;
} else {
- return true;
+ goto end;
}
memcpy(array, addr, length);
- vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
- MESSAGE_REQUEST_BBREG, length, array);
+ ret = vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
+ MESSAGE_REQUEST_BBREG, length, array);
+ if (ret)
+ goto end;
memcpy(array, agc, length_agc);
- vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
- MESSAGE_REQUEST_BBAGC, length_agc, array);
+ ret = vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
+ MESSAGE_REQUEST_BBAGC, length_agc, array);
+ if (ret)
+ goto end;
if ((priv->rf_type == RF_VT3226) ||
(priv->rf_type == RF_VT3342A0)) {
- vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
- MAC_REG_ITRTMSET, 0x23);
- vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
+ ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
+ MAC_REG_ITRTMSET, 0x23);
+ if (ret)
+ goto end;
+
+ ret = vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
+ if (ret)
+ goto end;
} else if (priv->rf_type == RF_VT3226D0) {
- vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
- MAC_REG_ITRTMSET, 0x11);
- vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
+ ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
+ MAC_REG_ITRTMSET, 0x11);
+ if (ret)
+ goto end;
+
+ ret = vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
+ if (ret)
+ goto end;
}
- vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x04, 0x7f);
- vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
+ ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x04, 0x7f);
+ if (ret)
+ goto end;
- vnt_rf_table_download(priv);
+ ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
+ if (ret)
+ goto end;
+
+ ret = vnt_rf_table_download(priv);
+ if (ret)
+ goto end;
/* Fix for TX USB resets from vendors driver */
- vnt_control_in(priv, MESSAGE_TYPE_READ, USB_REG4,
- MESSAGE_REQUEST_MEM, sizeof(data), &data);
+ ret = vnt_control_in(priv, MESSAGE_TYPE_READ, USB_REG4,
+ MESSAGE_REQUEST_MEM, sizeof(data), &data);
+ if (ret)
+ goto end;
data |= 0x2;
- vnt_control_out(priv, MESSAGE_TYPE_WRITE, USB_REG4,
- MESSAGE_REQUEST_MEM, sizeof(data), &data);
+ ret = vnt_control_out(priv, MESSAGE_TYPE_WRITE, USB_REG4,
+ MESSAGE_REQUEST_MEM, sizeof(data), &data);
- return true;
+end:
+ return ret;
}
/*
@@ -494,8 +521,9 @@ int vnt_vt3184_init(struct vnt_private *priv)
* Return Value: none
*
*/
-void vnt_set_short_slot_time(struct vnt_private *priv)
+int vnt_set_short_slot_time(struct vnt_private *priv)
{
+ int ret = 0;
u8 bb_vga = 0;
if (priv->short_slot_time)
@@ -503,12 +531,18 @@ void vnt_set_short_slot_time(struct vnt_private *priv)
else
priv->bb_rx_conf |= 0x20;
- vnt_control_in_u8(priv, MESSAGE_REQUEST_BBREG, 0xe7, &bb_vga);
+ ret = vnt_control_in_u8(priv, MESSAGE_REQUEST_BBREG, 0xe7, &bb_vga);
+ if (ret)
+ goto end;
if (bb_vga == priv->bb_vga[0])
priv->bb_rx_conf |= 0x20;
- vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf);
+ ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a,
+ priv->bb_rx_conf);
+
+end:
+ return ret;
}
void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data)
@@ -536,16 +570,30 @@ void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data)
* Return Value: none
*
*/
-void vnt_set_deep_sleep(struct vnt_private *priv)
+int vnt_set_deep_sleep(struct vnt_private *priv)
{
- vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x17);/* CR12 */
- vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0xB9);/* CR13 */
+ int ret = 0;
+
+ /* CR12 */
+ ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x17);
+ if (ret)
+ return ret;
+
+ /* CR13 */
+ return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0xB9);
}
-void vnt_exit_deep_sleep(struct vnt_private *priv)
+int vnt_exit_deep_sleep(struct vnt_private *priv)
{
- vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x00);/* CR12 */
- vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);/* CR13 */
+ int ret = 0;
+
+ /* CR12 */
+ ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x00);
+ if (ret)
+ return ret;
+
+ /* CR13 */
+ return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
}
void vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.