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path: root/drivers/net/wireless/rsi/rsi_91x_usb.c
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Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_usb.c')
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_usb.c166
1 files changed, 139 insertions, 27 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c
index cc8deecea8cb..f5de6934f7ec 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include "rsi_usb.h"
+#include "rsi_hal.h"
/**
* rsi_usb_card_write() - This function writes to the USB Card.
@@ -141,6 +142,9 @@ static int rsi_find_bulk_in_and_out_endpoints(struct usb_interface *interface,
return 0;
}
+#define RSI_USB_REQ_OUT (USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE)
+#define RSI_USB_REQ_IN (USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_DEVICE)
+
/* rsi_usb_reg_read() - This function reads data from given register address.
* @usbdev: Pointer to the usb_device structure.
* @reg: Address of the register to be read.
@@ -164,11 +168,11 @@ static int rsi_usb_reg_read(struct usb_device *usbdev,
status = usb_control_msg(usbdev,
usb_rcvctrlpipe(usbdev, 0),
USB_VENDOR_REGISTER_READ,
- USB_TYPE_VENDOR,
+ RSI_USB_REQ_IN,
((reg & 0xffff0000) >> 16), (reg & 0xffff),
(void *)buf,
len,
- HZ * 5);
+ USB_CTRL_GET_TIMEOUT);
*value = (buf[0] | (buf[1] << 8));
if (status < 0) {
@@ -211,12 +215,12 @@ static int rsi_usb_reg_write(struct usb_device *usbdev,
status = usb_control_msg(usbdev,
usb_sndctrlpipe(usbdev, 0),
USB_VENDOR_REGISTER_WRITE,
- USB_TYPE_VENDOR,
+ RSI_USB_REQ_OUT,
((reg & 0xffff0000) >> 16),
(reg & 0xffff),
(void *)usb_reg_buf,
len,
- HZ * 5);
+ USB_CTRL_SET_TIMEOUT);
if (status < 0) {
rsi_dbg(ERR_ZONE,
"%s: Reg write failed with error code :%d\n",
@@ -273,6 +277,46 @@ static int rsi_rx_urb_submit(struct rsi_hw *adapter)
return status;
}
+static int rsi_usb_read_register_multiple(struct rsi_hw *adapter, u32 addr,
+ u8 *data, u16 count)
+{
+ struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
+ u8 *buf;
+ u16 transfer;
+ int status;
+
+ if (!addr)
+ return -EINVAL;
+
+ buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ while (count) {
+ transfer = min_t(u16, count, RSI_USB_BUF_SIZE);
+ status = usb_control_msg(dev->usbdev,
+ usb_rcvctrlpipe(dev->usbdev, 0),
+ USB_VENDOR_REGISTER_READ,
+ RSI_USB_REQ_IN,
+ ((addr & 0xffff0000) >> 16),
+ (addr & 0xffff), (void *)buf,
+ transfer, USB_CTRL_GET_TIMEOUT);
+ if (status < 0) {
+ rsi_dbg(ERR_ZONE,
+ "Reg read failed with error code :%d\n",
+ status);
+ kfree(buf);
+ return status;
+ }
+ memcpy(data, buf, transfer);
+ count -= transfer;
+ data += transfer;
+ addr += transfer;
+ }
+ kfree(buf);
+ return 0;
+}
+
/**
* rsi_usb_write_register_multiple() - This function writes multiple bytes of
* information to multiple registers.
@@ -283,41 +327,40 @@ static int rsi_rx_urb_submit(struct rsi_hw *adapter)
*
* Return: status: 0 on success, a negative error code on failure.
*/
-int rsi_usb_write_register_multiple(struct rsi_hw *adapter,
- u32 addr,
- u8 *data,
- u32 count)
+static int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr,
+ u8 *data, u16 count)
{
struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
u8 *buf;
- u8 transfer;
+ u16 transfer;
int status = 0;
- buf = kzalloc(4096, GFP_KERNEL);
+ buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
while (count) {
- transfer = (u8)(min_t(u32, count, 4096));
+ transfer = min_t(u16, count, RSI_USB_BUF_SIZE);
memcpy(buf, data, transfer);
status = usb_control_msg(dev->usbdev,
usb_sndctrlpipe(dev->usbdev, 0),
USB_VENDOR_REGISTER_WRITE,
- USB_TYPE_VENDOR,
+ RSI_USB_REQ_OUT,
((addr & 0xffff0000) >> 16),
(addr & 0xffff),
(void *)buf,
transfer,
- HZ * 5);
+ USB_CTRL_SET_TIMEOUT);
if (status < 0) {
rsi_dbg(ERR_ZONE,
"Reg write failed with error code :%d\n",
status);
- } else {
- count -= transfer;
- data += transfer;
- addr += transfer;
+ kfree(buf);
+ return status;
}
+ count -= transfer;
+ data += transfer;
+ addr += transfer;
}
kfree(buf);
@@ -348,6 +391,77 @@ static int rsi_usb_host_intf_write_pkt(struct rsi_hw *adapter,
len);
}
+static int rsi_usb_master_reg_read(struct rsi_hw *adapter, u32 reg,
+ u32 *value, u16 len)
+{
+ struct usb_device *usbdev =
+ ((struct rsi_91x_usbdev *)adapter->rsi_dev)->usbdev;
+
+ return rsi_usb_reg_read(usbdev, reg, (u16 *)value, len);
+}
+
+static int rsi_usb_master_reg_write(struct rsi_hw *adapter,
+ unsigned long reg,
+ unsigned long value, u16 len)
+{
+ struct usb_device *usbdev =
+ ((struct rsi_91x_usbdev *)adapter->rsi_dev)->usbdev;
+
+ return rsi_usb_reg_write(usbdev, reg, value, len);
+}
+
+static int rsi_usb_load_data_master_write(struct rsi_hw *adapter,
+ u32 base_address,
+ u32 instructions_sz, u16 block_size,
+ u8 *ta_firmware)
+{
+ u16 num_blocks;
+ u32 cur_indx, i;
+ u8 temp_buf[256];
+ int status;
+
+ num_blocks = instructions_sz / block_size;
+ rsi_dbg(INFO_ZONE, "num_blocks: %d\n", num_blocks);
+
+ for (cur_indx = 0, i = 0; i < num_blocks; i++, cur_indx += block_size) {
+ memset(temp_buf, 0, block_size);
+ memcpy(temp_buf, ta_firmware + cur_indx, block_size);
+ status = rsi_usb_write_register_multiple(adapter, base_address,
+ (u8 *)(temp_buf),
+ block_size);
+ if (status < 0)
+ return status;
+
+ rsi_dbg(INFO_ZONE, "%s: loading block: %d\n", __func__, i);
+ base_address += block_size;
+ }
+
+ if (instructions_sz % block_size) {
+ memset(temp_buf, 0, block_size);
+ memcpy(temp_buf, ta_firmware + cur_indx,
+ instructions_sz % block_size);
+ status = rsi_usb_write_register_multiple
+ (adapter, base_address,
+ (u8 *)temp_buf,
+ instructions_sz % block_size);
+ if (status < 0)
+ return status;
+ rsi_dbg(INFO_ZONE,
+ "Written Last Block in Address 0x%x Successfully\n",
+ cur_indx);
+ }
+ return 0;
+}
+
+static struct rsi_host_intf_ops usb_host_intf_ops = {
+ .write_pkt = rsi_usb_host_intf_write_pkt,
+ .read_reg_multiple = rsi_usb_read_register_multiple,
+ .write_reg_multiple = rsi_usb_write_register_multiple,
+ .master_reg_read = rsi_usb_master_reg_read,
+ .master_reg_write = rsi_usb_master_reg_write,
+ .load_data_master_write = rsi_usb_load_data_master_write,
+};
+
/**
* rsi_deinit_usb_interface() - This function deinitializes the usb interface.
* @adapter: Pointer to the adapter structure.
@@ -410,12 +524,14 @@ static int rsi_init_usb_interface(struct rsi_hw *adapter,
}
rsi_dev->rx_usb_urb[0]->transfer_buffer = adapter->priv->rx_data_pkt;
rsi_dev->tx_blk_size = 252;
+ adapter->block_size = rsi_dev->tx_blk_size;
/* Initializing function callbacks */
adapter->rx_urb_submit = rsi_rx_urb_submit;
- adapter->host_intf_write_pkt = rsi_usb_host_intf_write_pkt;
adapter->check_hw_queue_status = rsi_usb_check_queue_status;
adapter->determine_event_timeout = rsi_usb_event_timeout;
+ adapter->rsi_host_intf = RSI_HOST_INTF_USB;
+ adapter->host_intf_ops = &usb_host_intf_ops;
rsi_init_event(&rsi_dev->rx_thread.event);
status = rsi_create_kthread(common, &rsi_dev->rx_thread,
@@ -467,6 +583,7 @@ static int rsi_probe(struct usb_interface *pfunction,
__func__);
return -ENOMEM;
}
+ adapter->rsi_host_intf = RSI_HOST_INTF_USB;
status = rsi_init_usb_interface(adapter, pfunction);
if (status) {
@@ -480,25 +597,20 @@ static int rsi_probe(struct usb_interface *pfunction,
dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
status = rsi_usb_reg_read(dev->usbdev, FW_STATUS_REG, &fw_status, 2);
- if (status)
+ if (status < 0)
goto err1;
else
fw_status &= 1;
if (!fw_status) {
- status = rsi_usb_device_init(adapter->priv);
+ rsi_dbg(INIT_ZONE, "Loading firmware...\n");
+ status = rsi_hal_device_init(adapter);
if (status) {
rsi_dbg(ERR_ZONE, "%s: Failed in device init\n",
__func__);
goto err1;
}
-
- status = rsi_usb_reg_write(dev->usbdev,
- USB_INTERNAL_REG_1,
- RSI_USB_READY_MAGIC_NUM, 1);
- if (status)
- goto err1;
- rsi_dbg(INIT_ZONE, "%s: Performed device init\n", __func__);
+ rsi_dbg(INIT_ZONE, "%s: Device Init Done\n", __func__);
}
status = rsi_rx_urb_submit(adapter);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-31 05:56:05 +0000