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rsi: Remove old firmware loading method 

The older firmware loading method is not usable by any Redpine chipset.
Hence removing that part of the code. Older firmware image with
rsi_91x.fw name is deprecated

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Prameela Rani Garnepudi 2017-05-16 15:31:17 +05:30 committed by Kalle Valo
parent b78e91bcfb
commit 5578b1ffdc
6 changed files with 3 additions and 323 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

187
drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
View File

@ -59,171 +59,6 @@ int rsi_sdio_master_access_msword(struct rsi_hw *adapter, u16 ms_word)
return status;
}
/**
* rsi_copy_to_card() - This function includes the actual funtionality of
* copying the TA firmware to the card.Basically this
* function includes opening the TA file,reading the
* TA file and writing their values in blocks of data.
* @common: Pointer to the driver private structure.
* @fw: Pointer to the firmware value to be written.
* @len: length of firmware file.
* @num_blocks: Number of blocks to be written to the card.
*
* Return: 0 on success and -1 on failure.
*/
static int rsi_copy_to_card(struct rsi_common *common,
const u8 *fw,
u32 len,
u16 num_blocks)
{
struct rsi_hw *adapter = common->priv;
struct rsi_91x_sdiodev *dev =
(struct rsi_91x_sdiodev *)adapter->rsi_dev;
u32 indx, ii;
u16 block_size = dev->tx_blk_size;
u32 lsb_address;
__le32 data[] = { TA_HOLD_THREAD_VALUE, TA_SOFT_RST_CLR,
TA_PC_ZERO, TA_RELEASE_THREAD_VALUE };
u32 address[] = { TA_HOLD_THREAD_REG, TA_SOFT_RESET_REG,
TA_TH0_PC_REG, TA_RELEASE_THREAD_REG };
u32 base_address;
u16 msb_address;
base_address = TA_LOAD_ADDRESS;
msb_address = base_address >> 16;
for (indx = 0, ii = 0; ii < num_blocks; ii++, indx += block_size) {
lsb_address = ((u16) base_address | RSI_SD_REQUEST_MASTER);
if (rsi_sdio_write_register_multiple(adapter,
lsb_address,
(u8 *)(fw + indx),
block_size)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to load %s blk\n", __func__,
FIRMWARE_RSI9113);
return -1;
}
rsi_dbg(INIT_ZONE, "%s: loading block: %d\n", __func__, ii);
base_address += block_size;
if ((base_address >> 16) != msb_address) {
msb_address += 1;
if (rsi_sdio_master_access_msword(adapter,
msb_address)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to set ms word reg\n",
__func__);
return -1;
}
}
}
if (len % block_size) {
lsb_address = ((u16) base_address | RSI_SD_REQUEST_MASTER);
if (rsi_sdio_write_register_multiple(adapter,
lsb_address,
(u8 *)(fw + indx),
len % block_size)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to load f/w\n", __func__);
return -1;
}
}
rsi_dbg(INIT_ZONE,
"%s: Succesfully loaded TA instructions\n", __func__);
if (rsi_sdio_master_access_msword(adapter, TA_BASE_ADDR)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to set ms word to common reg\n",
__func__);
return -1;
}
for (ii = 0; ii < ARRAY_SIZE(data); ii++) {
/* Bringing TA out of reset */
if (rsi_sdio_write_register_multiple(adapter,
(address[ii] |
RSI_SD_REQUEST_MASTER),
(u8 *)&data[ii],
4)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to hold TA threads\n", __func__);
return -1;
}
}
rsi_dbg(INIT_ZONE, "%s: loaded firmware\n", __func__);
return 0;
}
/**
* rsi_load_ta_instructions() - This function includes the actual funtionality
* of loading the TA firmware.This function also
* includes opening the TA file,reading the TA
* file and writing their value in blocks of data.
* @common: Pointer to the driver private structure.
*
* Return: status: 0 on success, -1 on failure.
*/
static int rsi_load_ta_instructions(struct rsi_common *common)
{
struct rsi_hw *adapter = common->priv;
struct rsi_91x_sdiodev *dev =
(struct rsi_91x_sdiodev *)adapter->rsi_dev;
u32 len;
u16 num_blocks;
const u8 *fw;
const struct firmware *fw_entry = NULL;
u16 block_size = dev->tx_blk_size;
int status = 0;
u32 base_address;
u16 msb_address;
if (rsi_sdio_master_access_msword(adapter, TA_BASE_ADDR)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to set ms word to common reg\n",
__func__);
return -1;
}
base_address = TA_LOAD_ADDRESS;
msb_address = (base_address >> 16);
if (rsi_sdio_master_access_msword(adapter, msb_address)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to set ms word reg\n", __func__);
return -1;
}
status = request_firmware(&fw_entry, FIRMWARE_RSI9113, adapter->device);
if (status < 0) {
rsi_dbg(ERR_ZONE, "%s Firmware file %s not found\n",
__func__, FIRMWARE_RSI9113);
return status;
}
/* Copy firmware into DMA-accessible memory */
fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
if (!fw) {
status = -ENOMEM;
goto out;
}
len = fw_entry->size;
if (len % 4)
len += (4 - (len % 4));
num_blocks = (len / block_size);
rsi_dbg(INIT_ZONE, "%s: Instruction size:%d\n", __func__, len);
rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks);
status = rsi_copy_to_card(common, fw, len, num_blocks);
kfree(fw);
out:
release_firmware(fw_entry);
return status;
}
/**
* rsi_process_pkt() - This Function reads rx_blocks register and figures out
* the size of the rx pkt.
@ -470,28 +305,6 @@ void rsi_interrupt_handler(struct rsi_hw *adapter)
} while (1);
}
/**
* rsi_device_init() - This Function Initializes The HAL.
* @common: Pointer to the driver private structure.
*
* Return: 0 on success, -1 on failure.
*/
int rsi_sdio_device_init(struct rsi_common *common)
{
if (rsi_load_ta_instructions(common))
return -1;
if (rsi_sdio_master_access_msword(common->priv, MISC_CFG_BASE_ADDR)) {
rsi_dbg(ERR_ZONE, "%s: Unable to set ms word reg\n",
__func__);
return -1;
}
rsi_dbg(INIT_ZONE,
"%s: Setting ms word to 0x41050000\n", __func__);
return 0;
}
/**
* rsi_sdio_read_buffer_status_register() - This function is used to the read
* buffer status register and set

6
drivers/net/wireless/rsi/rsi_91x_usb.c
View File

@ -327,10 +327,8 @@ static int rsi_usb_read_register_multiple(struct rsi_hw *adapter, u32 addr,
*
* 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,
u16 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;

126
drivers/net/wireless/rsi/rsi_91x_usb_ops.c
View File

@ -18,67 +18,6 @@
#include <linux/firmware.h>
#include "rsi_usb.h"
/**
* rsi_copy_to_card() - This function includes the actual funtionality of
* copying the TA firmware to the card.Basically this
* function includes opening the TA file,reading the TA
* file and writing their values in blocks of data.
* @common: Pointer to the driver private structure.
* @fw: Pointer to the firmware value to be written.
* @len: length of firmware file.
* @num_blocks: Number of blocks to be written to the card.
*
* Return: 0 on success and -1 on failure.
*/
static int rsi_copy_to_card(struct rsi_common *common,
const u8 *fw,
u32 len,
u16 num_blocks)
{
struct rsi_hw *adapter = common->priv;
struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
u32 indx, ii;
u16 block_size = dev->tx_blk_size;
u32 lsb_address;
u32 base_address;
base_address = TA_LOAD_ADDRESS;
for (indx = 0, ii = 0; ii < num_blocks; ii++, indx += block_size) {
lsb_address = base_address;
if (rsi_usb_write_register_multiple(adapter,
lsb_address,
(u8 *)(fw + indx),
block_size)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to load %s blk\n", __func__,
FIRMWARE_RSI9113);
return -EIO;
}
rsi_dbg(INIT_ZONE, "%s: loading block: %d\n", __func__, ii);
base_address += block_size;
}
if (len % block_size) {
lsb_address = base_address;
if (rsi_usb_write_register_multiple(adapter,
lsb_address,
(u8 *)(fw + indx),
len % block_size)) {
rsi_dbg(ERR_ZONE,
"%s: Unable to load %s blk\n", __func__,
FIRMWARE_RSI9113);
return -EIO;
}
}
rsi_dbg(INIT_ZONE,
"%s: Succesfully loaded %s instructions\n", __func__,
FIRMWARE_RSI9113);
rsi_dbg(INIT_ZONE, "%s: loaded firmware\n", __func__);
return 0;
}
/**
* rsi_usb_rx_thread() - This is a kernel thread to receive the packets from
* the USB device.
@ -119,68 +58,3 @@ out:
complete_and_exit(&dev->rx_thread.completion, 0);
}
/**
* rsi_load_ta_instructions() - This function includes the actual funtionality
* of loading the TA firmware.This function also
* includes opening the TA file,reading the TA
* file and writing their value in blocks of data.
* @common: Pointer to the driver private structure.
*
* Return: status: 0 on success, -1 on failure.
*/
static int rsi_load_ta_instructions(struct rsi_common *common)
{
struct rsi_hw *adapter = common->priv;
struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
const struct firmware *fw_entry = NULL;
u16 block_size = dev->tx_blk_size;
const u8 *fw;
u16 num_blocks;
u32 len;
int status = 0;
status = request_firmware(&fw_entry, FIRMWARE_RSI9113, adapter->device);
if (status < 0) {
rsi_dbg(ERR_ZONE, "%s Firmware file %s not found\n",
__func__, FIRMWARE_RSI9113);
return status;
}
/* Copy firmware into DMA-accessible memory */
fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
if (!fw) {
status = -ENOMEM;
goto out;
}
len = fw_entry->size;
if (len % 4)
len += (4 - (len % 4));
num_blocks = (len / block_size);
rsi_dbg(INIT_ZONE, "%s: Instruction size:%d\n", __func__, len);
rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks);
status = rsi_copy_to_card(common, fw, len, num_blocks);
kfree(fw);
out:
release_firmware(fw_entry);
return status;
}
/**
* rsi_device_init() - This Function Initializes The HAL.
* @common: Pointer to the driver private structure.
*
* Return: 0 on success, -1 on failure.
*/
int rsi_usb_device_init(struct rsi_common *common)
{
if (rsi_load_ta_instructions(common))
return -EIO;
return 0;
}

3
drivers/net/wireless/rsi/rsi_common.h
View File

@ -20,8 +20,7 @@
#include <linux/kthread.h>
#define EVENT_WAIT_FOREVER 0
#define TA_LOAD_ADDRESS 0x00
#define FIRMWARE_RSI9113 "rsi_91x.fw"
#define FIRMWARE_RSI9113 "rs9113_wlan_qspi.rps"
#define QUEUE_NOT_FULL 1
#define QUEUE_FULL 0

1
drivers/net/wireless/rsi/rsi_sdio.h
View File

@ -116,7 +116,6 @@ struct rsi_91x_sdiodev {
void rsi_interrupt_handler(struct rsi_hw *adapter);
int rsi_init_sdio_slave_regs(struct rsi_hw *adapter);
int rsi_sdio_device_init(struct rsi_common *common);
int rsi_sdio_read_register(struct rsi_hw *adapter, u32 addr, u8 *data);
int rsi_sdio_host_intf_read_pkt(struct rsi_hw *adapter, u8 *pkt, u32 length);
int rsi_sdio_write_register(struct rsi_hw *adapter, u8 function,

3
drivers/net/wireless/rsi/rsi_usb.h
View File

@ -63,8 +63,5 @@ static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
return EVENT_WAIT_FOREVER;
}
int rsi_usb_device_init(struct rsi_common *common);
int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr,
u8 *data, u16 count);
void rsi_usb_rx_thread(struct rsi_common *common);
#endif