static struct semaphore add_remove_card_sem;
+static struct memory_type_mapping generic_mem_type_map[] = {
+ {"DUMP", NULL, 0, 0xDD},
+};
+
static struct memory_type_mapping mem_type_mapping_tbl[] = {
{"ITCM", NULL, 0, 0xF0},
{"DTCM", NULL, 0, 0xF1},
return -ENOMEM;
card->func = func;
+ card->device_id = id;
func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
card->mp_tx_agg_buf_size = data->mp_tx_agg_buf_size;
card->mp_rx_agg_buf_size = data->mp_rx_agg_buf_size;
card->can_dump_fw = data->can_dump_fw;
+ card->fw_dump_enh = data->fw_dump_enh;
card->can_auto_tdls = data->can_auto_tdls;
card->can_ext_scan = data->can_ext_scan;
}
#define SDIO_DEVICE_ID_MARVELL_8887 (0x9135)
/* Device ID for SD8801 */
#define SDIO_DEVICE_ID_MARVELL_8801 (0x9139)
+/* Device ID for SD8997 */
+#define SDIO_DEVICE_ID_MARVELL_8997 (0x9141)
/* WLAN IDs */
.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},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997),
+ .driver_data = (unsigned long)&mwifiex_sdio_sd8997},
{},
};
adapter->dev = &func->dev;
strcpy(adapter->fw_name, card->firmware);
- adapter->mem_type_mapping_tbl = mem_type_mapping_tbl;
- adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl);
+ if (card->fw_dump_enh) {
+ adapter->mem_type_mapping_tbl = generic_mem_type_map;
+ adapter->num_mem_types = 1;
+ } else {
+ adapter->mem_type_mapping_tbl = mem_type_mapping_tbl;
+ adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl);
+ }
return 0;
}
port, card->mp_data_port_mask);
}
+static void mwifiex_recreate_adapter(struct sdio_mmc_card *card)
+{
+ struct sdio_func *func = card->func;
+ const struct sdio_device_id *device_id = card->device_id;
+
+ /* TODO mmc_hw_reset does not require destroying and re-probing the
+ * whole adapter. Hence there was no need to for this rube-goldberg
+ * design to reload the fw from an external workqueue. If we don't
+ * destroy the adapter we could reload the fw from
+ * mwifiex_main_work_queue directly.
+ * The real difficulty with fw reset is to restore all the user
+ * settings applied through ioctl. By destroying and recreating the
+ * adapter, we take the easy way out, since we rely on user space to
+ * restore them. We assume that user space will treat the new
+ * incarnation of the adapter(interfaces) as if they had been just
+ * discovered and initializes them from scratch.
+ */
+
+ mwifiex_sdio_remove(func);
+
+ /* power cycle the adapter */
+ sdio_claim_host(func);
+ mmc_hw_reset(func->card->host);
+ sdio_release_host(func);
+
+ mwifiex_sdio_probe(func, device_id);
+}
+
static struct mwifiex_adapter *save_adapter;
static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter)
{
struct sdio_mmc_card *card = adapter->card;
- struct mmc_host *target = card->func->card->host;
-
- /* The actual reset operation must be run outside of driver thread.
- * This is because mmc_remove_host() will cause the device to be
- * instantly destroyed, and the driver then needs to end its thread,
- * leading to a deadlock.
- *
- * We run it in a totally independent workqueue.
- */
- mwifiex_dbg(adapter, WARN, "Resetting card...\n");
- mmc_remove_host(target);
- /* 200ms delay is based on experiment with sdhci controller */
- mdelay(200);
- target->rescan_entered = 0; /* rescan non-removable cards */
- mmc_add_host(target);
+ /* TODO card pointer is unprotected. If the adapter is removed
+ * physically, sdio core might trigger mwifiex_sdio_remove, before this
+ * workqueue is run, which will destroy the adapter struct. When this
+ * workqueue eventually exceutes it will dereference an invalid adapter
+ * pointer
+ */
+ mwifiex_recreate_adapter(card);
}
/* This function read/write firmware */
int ret, tries;
u8 ctrl_data = 0;
- sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl,
- &ret);
+ sdio_writeb(card->func, card->reg->fw_dump_host_ready,
+ card->reg->fw_dump_ctrl, &ret);
if (ret) {
mwifiex_dbg(adapter, ERROR, "SDIO Write ERR\n");
return RDWR_STATUS_FAILURE;
break;
if (doneflag && ctrl_data == doneflag)
return RDWR_STATUS_DONE;
- if (ctrl_data != FW_DUMP_HOST_READY) {
+ if (ctrl_data != card->reg->fw_dump_host_ready) {
mwifiex_dbg(adapter, WARN,
- "The ctrl reg was changed, re-try again!\n");
- sdio_writeb(card->func, FW_DUMP_HOST_READY,
+ "The ctrl reg was changed, re-try again\n");
+ sdio_writeb(card->func, card->reg->fw_dump_host_ready,
card->reg->fw_dump_ctrl, &ret);
if (ret) {
mwifiex_dbg(adapter, ERROR, "SDIO write err\n");
}
usleep_range(100, 200);
}
- if (ctrl_data == FW_DUMP_HOST_READY) {
+ if (ctrl_data == card->reg->fw_dump_host_ready) {
mwifiex_dbg(adapter, ERROR,
"Fail to pull ctrl_data\n");
return RDWR_STATUS_FAILURE;
sdio_release_host(card->func);
}
+static void mwifiex_sdio_generic_fw_dump(struct mwifiex_adapter *adapter)
+{
+ struct sdio_mmc_card *card = adapter->card;
+ struct memory_type_mapping *entry = &generic_mem_type_map[0];
+ unsigned int reg, reg_start, reg_end;
+ u8 start_flag = 0, done_flag = 0;
+ u8 *dbg_ptr, *end_ptr;
+ enum rdwr_status stat;
+ int ret = -1, tries;
+
+ if (!card->fw_dump_enh)
+ return;
+
+ if (entry->mem_ptr) {
+ vfree(entry->mem_ptr);
+ entry->mem_ptr = NULL;
+ }
+ entry->mem_size = 0;
+
+ mwifiex_pm_wakeup_card(adapter);
+ sdio_claim_host(card->func);
+
+ mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n");
+
+ stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag);
+ if (stat == RDWR_STATUS_FAILURE)
+ goto done;
+
+ reg_start = card->reg->fw_dump_start;
+ reg_end = card->reg->fw_dump_end;
+ for (reg = reg_start; reg <= reg_end; reg++) {
+ for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
+ start_flag = sdio_readb(card->func, reg, &ret);
+ if (ret) {
+ mwifiex_dbg(adapter, ERROR,
+ "SDIO read err\n");
+ goto done;
+ }
+ if (start_flag == 0)
+ break;
+ if (tries == MAX_POLL_TRIES) {
+ mwifiex_dbg(adapter, ERROR,
+ "FW not ready to dump\n");
+ ret = -1;
+ goto done;
+ }
+ }
+ usleep_range(100, 200);
+ }
+
+ entry->mem_ptr = vmalloc(0xf0000 + 1);
+ if (!entry->mem_ptr) {
+ ret = -1;
+ goto done;
+ }
+ dbg_ptr = entry->mem_ptr;
+ entry->mem_size = 0xf0000;
+ end_ptr = dbg_ptr + entry->mem_size;
+
+ done_flag = entry->done_flag;
+ mwifiex_dbg(adapter, DUMP,
+ "Start %s output, please wait...\n", entry->mem_name);
+
+ while (true) {
+ stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag);
+ if (stat == RDWR_STATUS_FAILURE)
+ goto done;
+ for (reg = reg_start; reg <= reg_end; reg++) {
+ *dbg_ptr = sdio_readb(card->func, reg, &ret);
+ if (ret) {
+ mwifiex_dbg(adapter, ERROR,
+ "SDIO read err\n");
+ goto done;
+ }
+ dbg_ptr++;
+ if (dbg_ptr >= end_ptr) {
+ u8 *tmp_ptr;
+
+ tmp_ptr = vmalloc(entry->mem_size + 0x4000 + 1);
+ if (!tmp_ptr)
+ goto done;
+
+ memcpy(tmp_ptr, entry->mem_ptr,
+ entry->mem_size);
+ vfree(entry->mem_ptr);
+ entry->mem_ptr = tmp_ptr;
+ tmp_ptr = NULL;
+ dbg_ptr = entry->mem_ptr + entry->mem_size;
+ entry->mem_size += 0x4000;
+ end_ptr = entry->mem_ptr + entry->mem_size;
+ }
+ }
+ if (stat == RDWR_STATUS_DONE) {
+ entry->mem_size = dbg_ptr - entry->mem_ptr;
+ mwifiex_dbg(adapter, DUMP, "dump %s done size=0x%x\n",
+ entry->mem_name, entry->mem_size);
+ ret = 0;
+ break;
+ }
+ }
+ mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n");
+
+done:
+ if (ret) {
+ mwifiex_dbg(adapter, ERROR, "firmware dump failed\n");
+ if (entry->mem_ptr) {
+ vfree(entry->mem_ptr);
+ entry->mem_ptr = NULL;
+ }
+ entry->mem_size = 0;
+ }
+ sdio_release_host(card->func);
+}
+
static void mwifiex_sdio_device_dump_work(struct mwifiex_adapter *adapter)
{
+ struct sdio_mmc_card *card = adapter->card;
+
mwifiex_drv_info_dump(adapter);
- mwifiex_sdio_fw_dump(adapter);
+ if (card->fw_dump_enh)
+ mwifiex_sdio_generic_fw_dump(adapter);
+ else
+ mwifiex_sdio_fw_dump(adapter);
mwifiex_upload_device_dump(adapter);
}
MODULE_FIRMWARE(SD8797_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8897_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8887_DEFAULT_FW_NAME);
+MODULE_FIRMWARE(SD8997_DEFAULT_FW_NAME);
projects / deliverable / linux.git / blobdiff