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path: root/drivers/net/wireless/mwifiex/sdio.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/sdio.c')
-rw-r--r--drivers/net/wireless/mwifiex/sdio.c111
1 files changed, 107 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 933dae137850..91e36cda9543 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -107,6 +107,7 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
card->mp_rx_agg_buf_size = data->mp_rx_agg_buf_size;
card->supports_fw_dump = data->supports_fw_dump;
card->auto_tdls = data->auto_tdls;
+ card->can_ext_scan = data->can_ext_scan;
}
sdio_claim_host(func);
@@ -282,6 +283,9 @@ static int mwifiex_sdio_suspend(struct device *dev)
#define SDIO_DEVICE_ID_MARVELL_8897 (0x912d)
/* Device ID for SD8887 */
#define SDIO_DEVICE_ID_MARVELL_8887 (0x9135)
+/* Device ID for SD8801 */
+#define SDIO_DEVICE_ID_MARVELL_8801 (0x9139)
+
/* WLAN IDs */
static const struct sdio_device_id mwifiex_ids[] = {
@@ -295,6 +299,8 @@ static const struct sdio_device_id mwifiex_ids[] = {
.driver_data = (unsigned long) &mwifiex_sdio_sd8897},
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887),
.driver_data = (unsigned long)&mwifiex_sdio_sd8887},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8801),
+ .driver_data = (unsigned long)&mwifiex_sdio_sd8801},
{},
};
@@ -986,8 +992,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
offset += txlen;
} while (true);
- dev_dbg(adapter->dev, "info: FW download over, size %d bytes\n",
- offset);
+ dev_notice(adapter->dev,
+ "info: FW download over, size %d bytes\n", offset);
ret = 0;
done:
@@ -1882,6 +1888,7 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
}
adapter->auto_tdls = card->auto_tdls;
+ adapter->ext_scan = card->can_ext_scan;
return ret;
}
@@ -1958,8 +1965,8 @@ static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter)
pr_err("Resetting card...\n");
mmc_remove_host(target);
- /* 20ms delay is based on experiment with sdhci controller */
- mdelay(20);
+ /* 200ms delay is based on experiment with sdhci controller */
+ mdelay(200);
target->rescan_entered = 0; /* rescan non-removable cards */
mmc_add_host(target);
}
@@ -2023,6 +2030,8 @@ static void mwifiex_sdio_fw_dump_work(struct work_struct *work)
u32 memory_size;
static char *env[] = { "DRIVER=mwifiex_sdio", "EVENT=fw_dump", NULL };
+ mwifiex_dump_drv_info(adapter);
+
if (!card->supports_fw_dump)
return;
@@ -2166,6 +2175,99 @@ static void mwifiex_sdio_fw_dump(struct mwifiex_adapter *adapter)
schedule_work(&adapter->iface_work);
}
+/* Function to dump SDIO function registers and SDIO scratch registers in case
+ * of FW crash
+ */
+static int
+mwifiex_sdio_reg_dump(struct mwifiex_adapter *adapter, char *drv_buf)
+{
+ char *p = drv_buf;
+ struct sdio_mmc_card *cardp = adapter->card;
+ int ret = 0;
+ u8 count, func, data, index = 0, size = 0;
+ u8 reg, reg_start, reg_end;
+ char buf[256], *ptr;
+
+ if (!p)
+ return 0;
+
+ dev_info(adapter->dev, "SDIO register DUMP START\n");
+
+ mwifiex_pm_wakeup_card(adapter);
+
+ sdio_claim_host(cardp->func);
+
+ for (count = 0; count < 5; count++) {
+ memset(buf, 0, sizeof(buf));
+ ptr = buf;
+
+ switch (count) {
+ case 0:
+ /* Read the registers of SDIO function0 */
+ func = count;
+ reg_start = 0;
+ reg_end = 9;
+ break;
+ case 1:
+ /* Read the registers of SDIO function1 */
+ func = count;
+ reg_start = cardp->reg->func1_dump_reg_start;
+ reg_end = cardp->reg->func1_dump_reg_end;
+ break;
+ case 2:
+ index = 0;
+ func = 1;
+ reg_start = cardp->reg->func1_spec_reg_table[index++];
+ size = cardp->reg->func1_spec_reg_num;
+ reg_end = cardp->reg->func1_spec_reg_table[size-1];
+ break;
+ default:
+ /* Read the scratch registers of SDIO function1 */
+ if (count == 4)
+ mdelay(100);
+ func = 1;
+ reg_start = cardp->reg->func1_scratch_reg;
+ reg_end = reg_start + MWIFIEX_SDIO_SCRATCH_SIZE;
+ }
+
+ if (count != 2)
+ ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ",
+ func, reg_start, reg_end);
+ else
+ ptr += sprintf(ptr, "SDIO Func%d: ", func);
+
+ for (reg = reg_start; reg <= reg_end;) {
+ if (func == 0)
+ data = sdio_f0_readb(cardp->func, reg, &ret);
+ else
+ data = sdio_readb(cardp->func, reg, &ret);
+
+ if (count == 2)
+ ptr += sprintf(ptr, "(%#x) ", reg);
+ if (!ret) {
+ ptr += sprintf(ptr, "%02x ", data);
+ } else {
+ ptr += sprintf(ptr, "ERR");
+ break;
+ }
+
+ if (count == 2 && reg < reg_end)
+ reg = cardp->reg->func1_spec_reg_table[index++];
+ else
+ reg++;
+ }
+
+ dev_info(adapter->dev, "%s\n", buf);
+ p += sprintf(p, "%s\n", buf);
+ }
+
+ sdio_release_host(cardp->func);
+
+ dev_info(adapter->dev, "SDIO register DUMP END\n");
+
+ return p - drv_buf;
+}
+
static struct mwifiex_if_ops sdio_ops = {
.init_if = mwifiex_init_sdio,
.cleanup_if = mwifiex_cleanup_sdio,
@@ -2188,6 +2290,7 @@ static struct mwifiex_if_ops sdio_ops = {
.card_reset = mwifiex_sdio_card_reset,
.iface_work = mwifiex_sdio_work,
.fw_dump = mwifiex_sdio_fw_dump,
+ .reg_dump = mwifiex_sdio_reg_dump,
};
/*