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Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/sdio.c')
-rw-r--r--drivers/net/wireless/marvell/mwifiex/sdio.c147
1 files changed, 101 insertions, 46 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index bde9e4bbfffe..f039d6f19183 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* NXP Wireless LAN device driver: SDIO specific handling
*
* Copyright 2011-2020 NXP
- *
- * This software file (the "File") is distributed by NXP
- * under the terms of the GNU General Public License Version 2, June 1991
- * (the "License"). You may use, redistribute and/or modify this File in
- * accordance with the terms and conditions of the License, a copy of which
- * is available by writing to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
- * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
- * this warranty disclaimer.
*/
#include <linux/firmware.h>
@@ -33,7 +21,7 @@
static void mwifiex_sdio_work(struct work_struct *work);
-static struct mwifiex_if_ops sdio_ops;
+static const struct mwifiex_if_ops sdio_ops;
static const struct mwifiex_sdio_card_reg mwifiex_reg_sd87xx = {
.start_rd_port = 1,
@@ -182,6 +170,9 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8997 = {
.host_int_rsr_reg = 0x4,
.host_int_status_reg = 0x0C,
.host_int_mask_reg = 0x08,
+ .host_strap_reg = 0xF4,
+ .host_strap_mask = 0x01,
+ .host_strap_value = 0x00,
.status_reg_0 = 0xE8,
.status_reg_1 = 0xE9,
.sdio_int_mask = 0xff,
@@ -272,7 +263,7 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8887 = {
0x68, 0x69, 0x6a},
};
-static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8987 = {
+static const struct mwifiex_sdio_card_reg mwifiex_reg_sd89xx = {
.start_rd_port = 0,
.start_wr_port = 0,
.base_0_reg = 0xF8,
@@ -283,6 +274,9 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8987 = {
.host_int_rsr_reg = 0x4,
.host_int_status_reg = 0x0C,
.host_int_mask_reg = 0x08,
+ .host_strap_reg = 0xF4,
+ .host_strap_mask = 0x01,
+ .host_strap_value = 0x00,
.status_reg_0 = 0xE8,
.status_reg_1 = 0xE9,
.sdio_int_mask = 0xff,
@@ -337,6 +331,8 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8786 = {
.can_dump_fw = false,
.can_auto_tdls = false,
.can_ext_scan = false,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8787 = {
@@ -352,6 +348,8 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8787 = {
.can_dump_fw = false,
.can_auto_tdls = false,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8797 = {
@@ -367,6 +365,8 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8797 = {
.can_dump_fw = false,
.can_auto_tdls = false,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8897 = {
@@ -382,6 +382,8 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8897 = {
.can_dump_fw = true,
.can_auto_tdls = false,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8977 = {
@@ -398,10 +400,31 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8977 = {
.fw_dump_enh = true,
.can_auto_tdls = false,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
+};
+
+static const struct mwifiex_sdio_device mwifiex_sdio_sd8978 = {
+ .firmware_sdiouart = SD8978_SDIOUART_FW_NAME,
+ .reg = &mwifiex_reg_sd89xx,
+ .max_ports = 32,
+ .mp_agg_pkt_limit = 16,
+ .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
+ .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
+ .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
+ .supports_sdio_new_mode = true,
+ .has_control_mask = false,
+ .can_dump_fw = true,
+ .fw_dump_enh = true,
+ .can_auto_tdls = false,
+ .can_ext_scan = true,
+ .fw_ready_extra_delay = true,
+ .host_mlme = true,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8997 = {
.firmware = SD8997_DEFAULT_FW_NAME,
+ .firmware_sdiouart = SD8997_SDIOUART_FW_NAME,
.reg = &mwifiex_reg_sd8997,
.max_ports = 32,
.mp_agg_pkt_limit = 16,
@@ -414,6 +437,8 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8997 = {
.fw_dump_enh = true,
.can_auto_tdls = false,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = true,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8887 = {
@@ -429,11 +454,13 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8887 = {
.can_dump_fw = false,
.can_auto_tdls = true,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8987 = {
.firmware = SD8987_DEFAULT_FW_NAME,
- .reg = &mwifiex_reg_sd8987,
+ .reg = &mwifiex_reg_sd89xx,
.max_ports = 32,
.mp_agg_pkt_limit = 16,
.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
@@ -445,6 +472,8 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8987 = {
.fw_dump_enh = true,
.can_auto_tdls = true,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
};
static const struct mwifiex_sdio_device mwifiex_sdio_sd8801 = {
@@ -460,6 +489,8 @@ static const struct mwifiex_sdio_device mwifiex_sdio_sd8801 = {
.can_dump_fw = false,
.can_auto_tdls = false,
.can_ext_scan = true,
+ .fw_ready_extra_delay = false,
+ .host_mlme = false,
};
static struct memory_type_mapping generic_mem_type_map[] = {
@@ -484,9 +515,12 @@ static struct memory_type_mapping mem_type_mapping_tbl[] = {
{"EXTLAST", NULL, 0, 0xFE},
};
-static const struct of_device_id mwifiex_sdio_of_match_table[] = {
+static const struct of_device_id mwifiex_sdio_of_match_table[] __maybe_unused = {
+ { .compatible = "marvell,sd8787" },
{ .compatible = "marvell,sd8897" },
+ { .compatible = "marvell,sd8978" },
{ .compatible = "marvell,sd8997" },
+ { .compatible = "nxp,iw416" },
{ }
};
@@ -536,6 +570,7 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
struct mwifiex_sdio_device *data = (void *)id->driver_data;
card->firmware = data->firmware;
+ card->firmware_sdiouart = data->firmware_sdiouart;
card->reg = data->reg;
card->max_ports = data->max_ports;
card->mp_agg_pkt_limit = data->mp_agg_pkt_limit;
@@ -548,6 +583,8 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
card->fw_dump_enh = data->fw_dump_enh;
card->can_auto_tdls = data->can_auto_tdls;
card->can_ext_scan = data->can_ext_scan;
+ card->fw_ready_extra_delay = data->fw_ready_extra_delay;
+ card->host_mlme = data->host_mlme;
INIT_WORK(&card->work, mwifiex_sdio_work);
}
@@ -751,8 +788,9 @@ mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat)
static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
u32 poll_num)
{
+ struct sdio_mmc_card *card = adapter->card;
int ret = 0;
- u16 firmware_stat;
+ u16 firmware_stat = 0;
u32 tries;
for (tries = 0; tries < poll_num; tries++) {
@@ -768,6 +806,13 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
ret = -1;
}
+ if (card->fw_ready_extra_delay &&
+ firmware_stat == FIRMWARE_READY_SDIO)
+ /* firmware might pretend to be ready, when it's not.
+ * Wait a little bit more as a workaround.
+ */
+ msleep(100);
+
return ret;
}
@@ -923,6 +968,8 @@ static const struct sdio_device_id mwifiex_ids[] = {
.driver_data = (unsigned long)&mwifiex_sdio_sd8801},
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_WLAN),
.driver_data = (unsigned long)&mwifiex_sdio_sd8977},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8978_WLAN),
+ .driver_data = (unsigned long)&mwifiex_sdio_sd8978},
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_WLAN),
.driver_data = (unsigned long)&mwifiex_sdio_sd8987},
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_WLAN),
@@ -943,7 +990,6 @@ static struct sdio_driver mwifiex_sdio = {
.probe = mwifiex_sdio_probe,
.remove = mwifiex_sdio_remove,
.drv = {
- .owner = THIS_MODULE,
.coredump = mwifiex_sdio_coredump,
.pm = &mwifiex_sdio_pm_ops,
}
@@ -1066,17 +1112,17 @@ cont:
"info: SDIO FUNC1 IO port: %#x\n", adapter->ioport);
/* Set Host interrupt reset to read to clear */
- if (!mwifiex_read_reg(adapter, card->reg->host_int_rsr_reg, &reg))
- mwifiex_write_reg(adapter, card->reg->host_int_rsr_reg,
- reg | card->reg->sdio_int_mask);
- else
+ if (mwifiex_read_reg(adapter, card->reg->host_int_rsr_reg, &reg))
+ return -1;
+ if (mwifiex_write_reg(adapter, card->reg->host_int_rsr_reg,
+ reg | card->reg->sdio_int_mask))
return -1;
/* Dnld/Upld ready set to auto reset */
- if (!mwifiex_read_reg(adapter, card->reg->card_misc_cfg_reg, &reg))
- mwifiex_write_reg(adapter, card->reg->card_misc_cfg_reg,
- reg | AUTO_RE_ENABLE_INT);
- else
+ if (mwifiex_read_reg(adapter, card->reg->card_misc_cfg_reg, &reg))
+ return -1;
+ if (mwifiex_write_reg(adapter, card->reg->card_misc_cfg_reg,
+ reg | AUTO_RE_ENABLE_INT))
return -1;
return 0;
@@ -1539,9 +1585,9 @@ done:
}
/*
- * This function decode sdio aggreation pkt.
+ * This function decodes sdio aggregation pkt.
*
- * Based on the the data block size and pkt_len,
+ * Based on the data block size and pkt_len,
* skb data will be decoded to few packets.
*/
static void mwifiex_deaggr_sdio_pkt(struct mwifiex_adapter *adapter,
@@ -2249,7 +2295,7 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter,
ret = mwifiex_write_data_to_card(adapter, card->mpa_tx.buf,
card->mpa_tx.buf_len, mport);
- /* Save the last multi port tx aggreagation info to debug log */
+ /* Save the last multi port tx aggregation info to debug log. */
index = adapter->dbg.last_sdio_mp_index;
index = (index + 1) % MWIFIEX_DBG_SDIO_MP_NUM;
adapter->dbg.last_sdio_mp_index = index;
@@ -2439,6 +2485,7 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
int ret;
struct sdio_mmc_card *card = adapter->card;
struct sdio_func *func = card->func;
+ const char *firmware = card->firmware;
/* save adapter pointer in card */
card->adapter = adapter;
@@ -2455,7 +2502,18 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
return ret;
}
- strcpy(adapter->fw_name, card->firmware);
+ /* Select correct firmware (sdsd or sdiouart) firmware based on the strapping
+ * option
+ */
+ if (card->firmware_sdiouart) {
+ u8 val;
+
+ mwifiex_read_reg(adapter, card->reg->host_strap_reg, &val);
+ if ((val & card->reg->host_strap_mask) == card->reg->host_strap_value)
+ firmware = card->firmware_sdiouart;
+ }
+ strcpy(adapter->fw_name, firmware);
+
if (card->fw_dump_enh) {
adapter->mem_type_mapping_tbl = generic_mem_type_map;
adapter->num_mem_types = 1;
@@ -2464,6 +2522,8 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl);
}
+ adapter->host_mlme_enabled = card->host_mlme;
+
return 0;
}
@@ -2496,7 +2556,8 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg);
/* Get SDIO ioport */
- mwifiex_init_sdio_ioport(adapter);
+ if (mwifiex_init_sdio_ioport(adapter))
+ return -EIO;
/* Initialize SDIO variables in card */
card->mp_rd_bitmap = 0;
@@ -2525,20 +2586,11 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
if (!card->mp_regs)
return -ENOMEM;
- /* Allocate skb pointer buffers */
- card->mpa_rx.skb_arr = kcalloc(card->mp_agg_pkt_limit, sizeof(void *),
- GFP_KERNEL);
- if (!card->mpa_rx.skb_arr) {
- kfree(card->mp_regs);
- return -ENOMEM;
- }
-
card->mpa_rx.len_arr = kcalloc(card->mp_agg_pkt_limit,
sizeof(*card->mpa_rx.len_arr),
GFP_KERNEL);
if (!card->mpa_rx.len_arr) {
kfree(card->mp_regs);
- kfree(card->mpa_rx.skb_arr);
return -ENOMEM;
}
@@ -2593,7 +2645,6 @@ static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter)
cancel_work_sync(&card->work);
kfree(card->mp_regs);
- kfree(card->mpa_rx.skb_arr);
kfree(card->mpa_rx.len_arr);
kfree(card->mpa_tx.buf);
kfree(card->mpa_rx.buf);
@@ -2639,7 +2690,7 @@ static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter)
/* Run a HW reset of the SDIO interface. */
sdio_claim_host(func);
- ret = mmc_hw_reset(func->card->host);
+ ret = mmc_hw_reset(func->card);
sdio_release_host(func);
switch (ret) {
@@ -3112,10 +3163,11 @@ static void mwifiex_sdio_up_dev(struct mwifiex_adapter *adapter)
*/
mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg);
- mwifiex_init_sdio_ioport(adapter);
+ if (mwifiex_init_sdio_ioport(adapter))
+ dev_err(&card->func->dev, "error enabling SDIO port\n");
}
-static struct mwifiex_if_ops sdio_ops = {
+static const struct mwifiex_if_ops sdio_ops = {
.init_if = mwifiex_init_sdio,
.cleanup_if = mwifiex_cleanup_sdio,
.check_fw_status = mwifiex_check_fw_status,
@@ -3143,7 +3195,7 @@ static struct mwifiex_if_ops sdio_ops = {
.up_dev = mwifiex_sdio_up_dev,
};
-module_driver(mwifiex_sdio, sdio_register_driver, sdio_unregister_driver);
+module_sdio_driver(mwifiex_sdio);
MODULE_AUTHOR("Marvell International Ltd.");
MODULE_DESCRIPTION("Marvell WiFi-Ex SDIO Driver version " SDIO_VERSION);
@@ -3152,8 +3204,11 @@ MODULE_LICENSE("GPL v2");
MODULE_FIRMWARE(SD8786_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8787_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8797_DEFAULT_FW_NAME);
+MODULE_FIRMWARE(SD8801_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8897_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8887_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8977_DEFAULT_FW_NAME);
+MODULE_FIRMWARE(SD8978_SDIOUART_FW_NAME);
MODULE_FIRMWARE(SD8987_DEFAULT_FW_NAME);
MODULE_FIRMWARE(SD8997_DEFAULT_FW_NAME);
+MODULE_FIRMWARE(SD8997_SDIOUART_FW_NAME);
generated by cgit (git 2.34.1) at 2025-12-27 18:05:57 +0000