fwupd/plugins/synaptics-rmi/fu-synaptics-rmi-v6-device.c
Richard Hughes c6cda8bc71 synaptics-rmi: Do as little as possible in device setup
This reduces the setup time by another 70ms and also makes the plugin simpler.
2019-10-03 15:14:10 +01:00

54 lines
1.6 KiB
C

/*
* Copyright (C) 2012-2014 Andrew Duggan
* Copyright (C) 2012-2019 Synaptics Inc.
* Copyright (C) 2019 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include "fu-common.h"
#include "fu-synaptics-rmi-v6-device.h"
#include "fwupd-error.h"
#define RMI_F34_CONFIG_BLOCKS_OFFSET 2
gboolean
fu_synaptics_rmi_v6_device_setup (FuSynapticsRmiDevice *self, GError **error)
{
FuSynapticsRmiFlash *flash = fu_synaptics_rmi_device_get_flash (self);
FuSynapticsRmiFunction *f34;
g_autoptr(GByteArray) f34_data0 = NULL;
g_autoptr(GByteArray) f34_data2 = NULL;
g_autoptr(GByteArray) f34_data3 = NULL;
/* f34 */
f34 = fu_synaptics_rmi_device_get_function (self, 0x34, error);
if (f34 == NULL)
return FALSE;
/* get bootloader ID */
f34_data0 = fu_synaptics_rmi_device_read (self, f34->query_base, 0x2, error);
if (f34_data0 == NULL) {
g_prefix_error (error, "failed to read bootloader ID: ");
return FALSE;
}
flash->bootloader_id[0] = f34_data0->data[0];
flash->bootloader_id[1] = f34_data0->data[1];
/* get flash properties */
f34_data2 = fu_synaptics_rmi_device_read (self, f34->query_base + 0x02, 2, error);
if (f34_data2 == NULL)
return FALSE;
flash->block_size = fu_common_read_uint16 (f34_data2->data, G_LITTLE_ENDIAN);
f34_data3 = fu_synaptics_rmi_device_read (self, f34->query_base + 0x03, 8, error);
if (f34_data3 == NULL)
return FALSE;
flash->block_count_fw = fu_common_read_uint16 (f34_data3->data, G_LITTLE_ENDIAN);
flash->block_count_cfg = fu_common_read_uint16 (f34_data3->data + RMI_F34_CONFIG_BLOCKS_OFFSET, G_LITTLE_ENDIAN);
flash->status_addr = f34->data_base + 2;
return TRUE;
}