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path: root/drivers/staging/wfx/fwio.c
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Diffstat (limited to 'drivers/staging/wfx/fwio.c')
-rw-r--r--drivers/staging/wfx/fwio.c116
1 files changed, 50 insertions, 66 deletions
diff --git a/drivers/staging/wfx/fwio.c b/drivers/staging/wfx/fwio.c
index 98a9391b2bee..3d1b8a135dc0 100644
--- a/drivers/staging/wfx/fwio.c
+++ b/drivers/staging/wfx/fwio.c
@@ -64,23 +64,20 @@
static const char * const fwio_errors[] = {
[ERR_INVALID_SEC_TYPE] = "Invalid section type or wrong encryption",
[ERR_SIG_VERIF_FAILED] = "Signature verification failed",
- [ERR_AES_CTRL_KEY] = "AES control key not initialized",
- [ERR_ECC_PUB_KEY] = "ECC public key not initialized",
- [ERR_MAC_KEY] = "MAC key not initialized",
+ [ERR_AES_CTRL_KEY] = "AES control key not initialized",
+ [ERR_ECC_PUB_KEY] = "ECC public key not initialized",
+ [ERR_MAC_KEY] = "MAC key not initialized",
};
-/* request_firmware() allocate data using vmalloc(). It is not compatible with
- * underlying hardware that use DMA. Function below detect this case and
- * allocate a bounce buffer if necessary.
+/* request_firmware() allocate data using vmalloc(). It is not compatible with underlying hardware
+ * that use DMA. Function below detect this case and allocate a bounce buffer if necessary.
*
- * Notice that, in doubt, you can enable CONFIG_DEBUG_SG to ask kernel to
- * detect this problem at runtime (else, kernel silently fail).
+ * Notice that, in doubt, you can enable CONFIG_DEBUG_SG to ask kernel to detect this problem at
+ * runtime (else, kernel silently fail).
*
- * NOTE: it may also be possible to use 'pages' from struct firmware and avoid
- * bounce buffer
+ * NOTE: it may also be possible to use 'pages' from struct firmware and avoid bounce buffer
*/
-static int sram_write_dma_safe(struct wfx_dev *wdev, u32 addr, const u8 *buf,
- size_t len)
+static int wfx_sram_write_dma_safe(struct wfx_dev *wdev, u32 addr, const u8 *buf, size_t len)
{
int ret;
const u8 *tmp;
@@ -92,7 +89,7 @@ static int sram_write_dma_safe(struct wfx_dev *wdev, u32 addr, const u8 *buf,
} else {
tmp = buf;
}
- ret = sram_buf_write(wdev, addr, tmp, len);
+ ret = wfx_sram_buf_write(wdev, addr, tmp, len);
if (tmp != buf)
kfree(tmp);
return ret;
@@ -112,8 +109,7 @@ static int get_firmware(struct wfx_dev *wdev, u32 keyset_chip,
if (ret) {
dev_info(wdev->dev, "can't load %s, falling back to %s.sec\n",
filename, wdev->pdata.file_fw);
- snprintf(filename, sizeof(filename), "%s.sec",
- wdev->pdata.file_fw);
+ snprintf(filename, sizeof(filename), "%s.sec", wdev->pdata.file_fw);
ret = request_firmware(fw, filename, wdev->dev);
if (ret) {
dev_err(wdev->dev, "can't load %s\n", filename);
@@ -156,7 +152,7 @@ static int wait_ncp_status(struct wfx_dev *wdev, u32 status)
start = ktime_get();
for (;;) {
- ret = sram_reg_read(wdev, WFX_DCA_NCP_STATUS, &reg);
+ ret = wfx_sram_reg_read(wdev, WFX_DCA_NCP_STATUS, &reg);
if (ret < 0)
return -EIO;
now = ktime_get();
@@ -166,8 +162,7 @@ static int wait_ncp_status(struct wfx_dev *wdev, u32 status)
return -ETIMEDOUT;
}
if (ktime_compare(now, start))
- dev_dbg(wdev->dev, "chip answer after %lldus\n",
- ktime_us_delta(now, start));
+ dev_dbg(wdev->dev, "chip answer after %lldus\n", ktime_us_delta(now, start));
else
dev_dbg(wdev->dev, "chip answer immediately\n");
return 0;
@@ -192,25 +187,21 @@ static int upload_firmware(struct wfx_dev *wdev, const u8 *data, size_t len)
break;
if (ktime_after(now, ktime_add_ms(start, DCA_TIMEOUT)))
return -ETIMEDOUT;
- ret = sram_reg_read(wdev, WFX_DCA_GET, &bytes_done);
+ ret = wfx_sram_reg_read(wdev, WFX_DCA_GET, &bytes_done);
if (ret < 0)
return ret;
}
if (ktime_compare(now, start))
- dev_dbg(wdev->dev, "answer after %lldus\n",
- ktime_us_delta(now, start));
+ dev_dbg(wdev->dev, "answer after %lldus\n", ktime_us_delta(now, start));
- ret = sram_write_dma_safe(wdev, WFX_DNLD_FIFO +
- (offs % DNLD_FIFO_SIZE),
- data + offs, DNLD_BLOCK_SIZE);
+ ret = wfx_sram_write_dma_safe(wdev, WFX_DNLD_FIFO + (offs % DNLD_FIFO_SIZE),
+ data + offs, DNLD_BLOCK_SIZE);
if (ret < 0)
return ret;
- /* The device seems to not support writing 0 in this register
- * during first loop
- */
+ /* The device seems to not support writing 0 in this register during first loop */
offs += DNLD_BLOCK_SIZE;
- ret = sram_reg_write(wdev, WFX_DCA_PUT, offs);
+ ret = wfx_sram_reg_write(wdev, WFX_DCA_PUT, offs);
if (ret < 0)
return ret;
}
@@ -221,10 +212,10 @@ static void print_boot_status(struct wfx_dev *wdev)
{
u32 reg;
- sram_reg_read(wdev, WFX_STATUS_INFO, &reg);
+ wfx_sram_reg_read(wdev, WFX_STATUS_INFO, &reg);
if (reg == 0x12345678)
return;
- sram_reg_read(wdev, WFX_ERR_INFO, &reg);
+ wfx_sram_reg_read(wdev, WFX_ERR_INFO, &reg);
if (reg < ARRAY_SIZE(fwio_errors) && fwio_errors[reg])
dev_info(wdev->dev, "secure boot: %s\n", fwio_errors[reg]);
else
@@ -245,56 +236,53 @@ static int load_firmware_secure(struct wfx_dev *wdev)
if (!buf)
return -ENOMEM;
- sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_READY);
+ wfx_sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_READY);
ret = wait_ncp_status(wdev, NCP_INFO_READY);
if (ret)
goto error;
- sram_buf_read(wdev, WFX_BOOTLOADER_LABEL, buf, BOOTLOADER_LABEL_SIZE);
+ wfx_sram_buf_read(wdev, WFX_BOOTLOADER_LABEL, buf, BOOTLOADER_LABEL_SIZE);
buf[BOOTLOADER_LABEL_SIZE] = 0;
dev_dbg(wdev->dev, "bootloader: \"%s\"\n", buf);
- sram_buf_read(wdev, WFX_PTE_INFO, buf, PTE_INFO_SIZE);
+ wfx_sram_buf_read(wdev, WFX_PTE_INFO, buf, PTE_INFO_SIZE);
ret = get_firmware(wdev, buf[PTE_INFO_KEYSET_IDX], &fw, &fw_offset);
if (ret)
goto error;
header_size = fw_offset + FW_SIGNATURE_SIZE + FW_HASH_SIZE;
- sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_INFO_READ);
+ wfx_sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_INFO_READ);
ret = wait_ncp_status(wdev, NCP_READY);
if (ret)
goto error;
- sram_reg_write(wdev, WFX_DNLD_FIFO, 0xFFFFFFFF); /* Fifo init */
- sram_write_dma_safe(wdev, WFX_DCA_FW_VERSION, "\x01\x00\x00\x00",
- FW_VERSION_SIZE);
- sram_write_dma_safe(wdev, WFX_DCA_FW_SIGNATURE, fw->data + fw_offset,
- FW_SIGNATURE_SIZE);
- sram_write_dma_safe(wdev, WFX_DCA_FW_HASH,
- fw->data + fw_offset + FW_SIGNATURE_SIZE,
- FW_HASH_SIZE);
- sram_reg_write(wdev, WFX_DCA_IMAGE_SIZE, fw->size - header_size);
- sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_UPLOAD_PENDING);
+ wfx_sram_reg_write(wdev, WFX_DNLD_FIFO, 0xFFFFFFFF); /* Fifo init */
+ wfx_sram_write_dma_safe(wdev, WFX_DCA_FW_VERSION, "\x01\x00\x00\x00", FW_VERSION_SIZE);
+ wfx_sram_write_dma_safe(wdev, WFX_DCA_FW_SIGNATURE, fw->data + fw_offset,
+ FW_SIGNATURE_SIZE);
+ wfx_sram_write_dma_safe(wdev, WFX_DCA_FW_HASH, fw->data + fw_offset + FW_SIGNATURE_SIZE,
+ FW_HASH_SIZE);
+ wfx_sram_reg_write(wdev, WFX_DCA_IMAGE_SIZE, fw->size - header_size);
+ wfx_sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_UPLOAD_PENDING);
ret = wait_ncp_status(wdev, NCP_DOWNLOAD_PENDING);
if (ret)
goto error;
start = ktime_get();
- ret = upload_firmware(wdev, fw->data + header_size,
- fw->size - header_size);
+ ret = upload_firmware(wdev, fw->data + header_size, fw->size - header_size);
if (ret)
goto error;
dev_dbg(wdev->dev, "firmware load after %lldus\n",
ktime_us_delta(ktime_get(), start));
- sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_UPLOAD_COMPLETE);
+ wfx_sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_UPLOAD_COMPLETE);
ret = wait_ncp_status(wdev, NCP_AUTH_OK);
/* Legacy ROM support */
if (ret < 0)
ret = wait_ncp_status(wdev, NCP_PUB_KEY_RDY);
if (ret < 0)
goto error;
- sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_OK_TO_JUMP);
+ wfx_sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_OK_TO_JUMP);
error:
kfree(buf);
@@ -320,12 +308,10 @@ static int init_gpr(struct wfx_dev *wdev)
};
for (i = 0; i < ARRAY_SIZE(gpr_init); i++) {
- ret = igpr_reg_write(wdev, gpr_init[i].index,
- gpr_init[i].value);
+ ret = wfx_igpr_reg_write(wdev, gpr_init[i].index, gpr_init[i].value);
if (ret < 0)
return ret;
- dev_dbg(wdev->dev, " index %02x: %08x\n",
- gpr_init[i].index, gpr_init[i].value);
+ dev_dbg(wdev->dev, " index %02x: %08x\n", gpr_init[i].index, gpr_init[i].value);
}
return 0;
}
@@ -341,13 +327,13 @@ int wfx_init_device(struct wfx_dev *wdev)
reg = CFG_DIRECT_ACCESS_MODE | CFG_CPU_RESET | CFG_BYTE_ORDER_ABCD;
if (wdev->pdata.use_rising_clk)
reg |= CFG_CLK_RISE_EDGE;
- ret = config_reg_write(wdev, reg);
+ ret = wfx_config_reg_write(wdev, reg);
if (ret < 0) {
dev_err(wdev->dev, "bus returned an error during first write access. Host configuration error?\n");
return -EIO;
}
- ret = config_reg_read(wdev, &reg);
+ ret = wfx_config_reg_read(wdev, &reg);
if (ret < 0) {
dev_err(wdev->dev, "bus returned an error during first read access. Bus configuration error?\n");
return -EIO;
@@ -360,8 +346,7 @@ int wfx_init_device(struct wfx_dev *wdev)
hw_revision = FIELD_GET(CFG_DEVICE_ID_MAJOR, reg);
if (hw_revision == 0) {
- dev_err(wdev->dev, "bad hardware revision number: %d\n",
- hw_revision);
+ dev_err(wdev->dev, "bad hardware revision number: %d\n", hw_revision);
return -ENODEV;
}
hw_type = FIELD_GET(CFG_DEVICE_ID_TYPE, reg);
@@ -374,12 +359,12 @@ int wfx_init_device(struct wfx_dev *wdev)
if (ret < 0)
return ret;
- ret = control_reg_write(wdev, CTRL_WLAN_WAKEUP);
+ ret = wfx_control_reg_write(wdev, CTRL_WLAN_WAKEUP);
if (ret < 0)
return -EIO;
start = ktime_get();
for (;;) {
- ret = control_reg_read(wdev, &reg);
+ ret = wfx_control_reg_read(wdev, &reg);
now = ktime_get();
if (reg & CTRL_WLAN_READY)
break;
@@ -388,18 +373,17 @@ int wfx_init_device(struct wfx_dev *wdev)
return -ETIMEDOUT;
}
}
- dev_dbg(wdev->dev, "chip wake up after %lldus\n",
- ktime_us_delta(now, start));
+ dev_dbg(wdev->dev, "chip wake up after %lldus\n", ktime_us_delta(now, start));
- ret = config_reg_write_bits(wdev, CFG_CPU_RESET, 0);
+ ret = wfx_config_reg_write_bits(wdev, CFG_CPU_RESET, 0);
if (ret < 0)
return ret;
ret = load_firmware_secure(wdev);
if (ret < 0)
return ret;
- return config_reg_write_bits(wdev,
- CFG_DIRECT_ACCESS_MODE |
- CFG_IRQ_ENABLE_DATA |
- CFG_IRQ_ENABLE_WRDY,
- CFG_IRQ_ENABLE_DATA);
+ return wfx_config_reg_write_bits(wdev,
+ CFG_DIRECT_ACCESS_MODE |
+ CFG_IRQ_ENABLE_DATA |
+ CFG_IRQ_ENABLE_WRDY,
+ CFG_IRQ_ENABLE_DATA);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-22 15:46:35 +0300