static int ks7010_upload_firmware(struct ks_sdio_card *card)
{
struct ks_wlan_private *priv = card->priv;
unsigned int size, offset, n = 0;
unsigned char *rom_buf;
unsigned char byte = 0;
int ret;
unsigned int length;
const struct firmware *fw_entry = NULL;
rom_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL);
if (!rom_buf)
return -ENOMEM;
sdio_claim_host(card->func);
/* Firmware running ? */
ret = ks7010_sdio_readb(priv, GCR_A, &byte);
if (byte == GCR_A_RUN) {
DPRINTK(0, "MAC firmware running ...\n");
goto release_host_and_free;
}
ret = request_firmware(&fw_entry, ROM_FILE,
&priv->ks_sdio_card->func->dev);
if (ret)
goto release_host_and_free;
length = fw_entry->size;
n = 0;
do {
if (length >= ROM_BUFF_SIZE) {
size = ROM_BUFF_SIZE;
length = length - ROM_BUFF_SIZE;
} else {
size = length;
length = 0;
}
DPRINTK(4, "size = %d\n", size);
if (size == 0)
break;
memcpy(rom_buf, fw_entry->data + n, size);
offset = n;
ret = ks7010_sdio_update_index(priv, KS7010_IRAM_ADDRESS + offset);
if (ret)
goto release_firmware;
ret = ks7010_sdio_write(priv, DATA_WINDOW, rom_buf, size);
if (ret)
goto release_firmware;
ret = ks7010_sdio_data_compare(priv, DATA_WINDOW, rom_buf, size);
if (ret)
goto release_firmware;
n += size;
} while (size);
ret = ks7010_sdio_writeb(priv, GCR_A, GCR_A_REMAP);
if (ret)
goto release_firmware;
DPRINTK(4, " REMAP Request : GCR_A\n");
/* Firmware running check */
for (n = 0; n < 50; ++n) {
mdelay(10); /* wait_ms(10); */
ret = ks7010_sdio_readb(priv, GCR_A, &byte);
if (ret)
goto release_firmware;
if (byte == GCR_A_RUN)
break;
}
DPRINTK(4, "firmware wakeup (%d)!!!!\n", n);
if ((50) <= n) {
DPRINTK(1, "firmware can't start\n");
ret = -EIO;
goto release_firmware;
}
ret = 0;
release_firmware:
release_firmware(fw_entry);
release_host_and_free:
sdio_release_host(card->func);
kfree(rom_buf);
return ret;
}
static int ks7010_upload_firmware(struct ks_wlan_private *priv,
struct ks_sdio_card *card)
{
unsigned int size, offset, n = 0;
unsigned char *rom_buf;
unsigned char rw_data = 0;
int retval, rc = 0;
int length;
const struct firmware *fw_entry = NULL;
rom_buf = NULL;
/* buffer allocate */
rom_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL);
if (!rom_buf) {
rc = 3;
goto error_out0;
}
sdio_claim_host(card->func);
/* Firmware running ? */
retval = ks7010_sdio_read(priv, GCR_A, &rw_data, sizeof(rw_data));
if (rw_data == GCR_A_RUN) {
DPRINTK(0, "MAC firmware running ...\n");
rc = 0;
goto error_out0;
}
retval = request_firmware(&fw_entry, ROM_FILE, &priv->ks_wlan_hw.sdio_card->func->dev);
if (retval)
return retval;
length = fw_entry->size;
/* Load Program */
n = 0;
do {
if (length >= ROM_BUFF_SIZE) {
size = ROM_BUFF_SIZE;
length = length - ROM_BUFF_SIZE;
} else {
size = length;
length = 0;
}
DPRINTK(4, "size = %d\n", size);
if (size == 0)
break;
memcpy(rom_buf, fw_entry->data + n, size);
/* Update write index */
offset = n;
retval =
ks7010_sdio_update_index(priv,
KS7010_IRAM_ADDRESS + offset);
if (retval) {
rc = 6;
goto error_out1;
}
/* Write data */
retval = ks7010_sdio_write(priv, DATA_WINDOW, rom_buf, size);
if (retval) {
rc = 8;
goto error_out1;
}
/* compare */
retval =
ks7010_sdio_data_compare(priv, DATA_WINDOW, rom_buf, size);
if (retval) {
rc = 9;
goto error_out1;
}
n += size;
} while (size);
/* Remap request */
rw_data = GCR_A_REMAP;
retval = ks7010_sdio_write(priv, GCR_A, &rw_data, sizeof(rw_data));
if (retval) {
rc = 11;
goto error_out1;
}
DPRINTK(4, " REMAP Request : GCR_A=%02X\n", rw_data);
/* Firmware running check */
for (n = 0; n < 50; ++n) {
mdelay(10); /* wait_ms(10); */
retval =
ks7010_sdio_read(priv, GCR_A, &rw_data, sizeof(rw_data));
if (retval) {
rc = 11;
goto error_out1;
}
if (rw_data == GCR_A_RUN)
break;
}
DPRINTK(4, "firmware wakeup (%d)!!!!\n", n);
if ((50) <= n) {
DPRINTK(1, "firmware can't start\n");
rc = 12;
goto error_out1;
}
rc = 0;
error_out1:
release_firmware(fw_entry);
error_out0:
sdio_release_host(card->func);
if (rom_buf)
kfree(rom_buf);
return rc;
}
