forked from Minki/linux
Input: synaptics-rmi4 - add sysfs attribute update_fw_status
The attribute returns the percentage complete. If the firmware update fails, it reports a negative error code. Signed-off-by: Nick Dyer <nick@shmanahar.org> Tested-by: Chris Healy <cphealy@gmail.com> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Nick Dyer
Dmitry Torokhov
parent
ed77bdf4e4
commit
5a89916df2
@ -157,6 +157,9 @@ static int rmi_f34_write_blocks(struct f34_data *f34, const void *data,
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i + 1, block_count);
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data += f34->v5.block_size;
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f34->update_progress += f34->v5.block_size;
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f34->update_status = (f34->update_progress * 100) /
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f34->update_size;
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}
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return 0;
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@ -174,7 +177,7 @@ static int rmi_f34_write_config(struct f34_data *f34, const void *data)
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F34_WRITE_CONFIG_BLOCK);
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}
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int rmi_f34_enable_flash(struct f34_data *f34)
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static int rmi_f34_enable_flash(struct f34_data *f34)
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{
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return rmi_f34_command(f34, F34_ENABLE_FLASH_PROG,
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F34_ENABLE_WAIT_MS, true);
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@ -184,9 +187,14 @@ static int rmi_f34_flash_firmware(struct f34_data *f34,
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const struct rmi_f34_firmware *syn_fw)
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{
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struct rmi_function *fn = f34->fn;
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u32 image_size = le32_to_cpu(syn_fw->image_size);
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u32 config_size = le32_to_cpu(syn_fw->config_size);
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int ret;
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if (syn_fw->image_size) {
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f34->update_progress = 0;
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f34->update_size = image_size + config_size;
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if (image_size) {
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dev_info(&fn->dev, "Erasing firmware...\n");
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ret = rmi_f34_command(f34, F34_ERASE_ALL,
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F34_ERASE_WAIT_MS, true);
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@ -194,18 +202,18 @@ static int rmi_f34_flash_firmware(struct f34_data *f34,
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return ret;
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dev_info(&fn->dev, "Writing firmware (%d bytes)...\n",
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syn_fw->image_size);
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image_size);
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ret = rmi_f34_write_firmware(f34, syn_fw->data);
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if (ret)
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return ret;
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}
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if (syn_fw->config_size) {
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if (config_size) {
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/*
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* We only need to erase config if we haven't updated
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* firmware.
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*/
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if (!syn_fw->image_size) {
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if (!image_size) {
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dev_info(&fn->dev, "Erasing config...\n");
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ret = rmi_f34_command(f34, F34_ERASE_CONFIG,
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F34_ERASE_WAIT_MS, true);
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@ -214,9 +222,8 @@ static int rmi_f34_flash_firmware(struct f34_data *f34,
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}
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dev_info(&fn->dev, "Writing config (%d bytes)...\n",
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syn_fw->config_size);
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ret = rmi_f34_write_config(f34,
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&syn_fw->data[syn_fw->image_size]);
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config_size);
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ret = rmi_f34_write_config(f34, &syn_fw->data[image_size]);
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if (ret)
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return ret;
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}
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@ -224,21 +231,23 @@ static int rmi_f34_flash_firmware(struct f34_data *f34,
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return 0;
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}
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int rmi_f34_update_firmware(struct f34_data *f34, const struct firmware *fw)
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static int rmi_f34_update_firmware(struct f34_data *f34,
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const struct firmware *fw)
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{
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const struct rmi_f34_firmware *syn_fw;
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const struct rmi_f34_firmware *syn_fw =
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(const struct rmi_f34_firmware *)fw->data;
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u32 image_size = le32_to_cpu(syn_fw->image_size);
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u32 config_size = le32_to_cpu(syn_fw->config_size);
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int ret;
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syn_fw = (const struct rmi_f34_firmware *)fw->data;
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BUILD_BUG_ON(offsetof(struct rmi_f34_firmware, data) !=
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F34_FW_IMAGE_OFFSET);
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rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev,
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"FW size:%d, checksum:%08x, image_size:%d, config_size:%d\n",
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(int)fw->size,
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"FW size:%zd, checksum:%08x, image_size:%d, config_size:%d\n",
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fw->size,
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le32_to_cpu(syn_fw->checksum),
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le32_to_cpu(syn_fw->image_size),
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le32_to_cpu(syn_fw->config_size));
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image_size, config_size);
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rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev,
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"FW bootloader_id:%02x, product_id:%.*s, info: %02x%02x\n",
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@ -246,27 +255,25 @@ int rmi_f34_update_firmware(struct f34_data *f34, const struct firmware *fw)
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(int)sizeof(syn_fw->product_id), syn_fw->product_id,
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syn_fw->product_info[0], syn_fw->product_info[1]);
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if (syn_fw->image_size &&
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syn_fw->image_size != f34->v5.fw_blocks * f34->v5.block_size) {
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if (image_size && image_size != f34->v5.fw_blocks * f34->v5.block_size) {
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dev_err(&f34->fn->dev,
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"Bad firmware image: fw size %d, expected %d\n",
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syn_fw->image_size,
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f34->v5.fw_blocks * f34->v5.block_size);
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image_size, f34->v5.fw_blocks * f34->v5.block_size);
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ret = -EILSEQ;
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goto out;
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}
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if (syn_fw->config_size &&
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syn_fw->config_size != f34->v5.config_blocks * f34->v5.block_size) {
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if (config_size &&
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config_size != f34->v5.config_blocks * f34->v5.block_size) {
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dev_err(&f34->fn->dev,
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"Bad firmware image: config size %d, expected %d\n",
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syn_fw->config_size,
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config_size,
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f34->v5.config_blocks * f34->v5.block_size);
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ret = -EILSEQ;
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goto out;
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}
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if (syn_fw->image_size && !syn_fw->config_size) {
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if (image_size && !config_size) {
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dev_err(&f34->fn->dev, "Bad firmware image: no config data\n");
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ret = -EILSEQ;
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goto out;
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@ -283,6 +290,17 @@ out:
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return ret;
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}
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static int rmi_f34_status(struct rmi_function *fn)
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{
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struct f34_data *f34 = dev_get_drvdata(&fn->dev);
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/*
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* The status is the percentage complete, or once complete,
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* zero for success or a negative return code.
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*/
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return f34->update_status;
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}
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static int rmi_firmware_update(struct rmi_driver_data *data,
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const struct firmware *fw)
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{
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@ -346,7 +364,13 @@ static int rmi_firmware_update(struct rmi_driver_data *data,
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else
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ret = rmi_f34_update_firmware(f34, fw);
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dev_info(&f34->fn->dev, "Firmware update complete, status:%d\n", ret);
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if (ret) {
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f34->update_status = ret;
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dev_err(&f34->fn->dev,
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"Firmware update failed, status: %d\n", ret);
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} else {
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dev_info(&f34->fn->dev, "Firmware update complete\n");
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}
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rmi_disable_irq(rmi_dev, false);
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@ -377,9 +401,6 @@ static int rmi_firmware_update(struct rmi_driver_data *data,
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return ret;
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}
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static int rmi_firmware_update(struct rmi_driver_data *data,
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const struct firmware *fw);
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static ssize_t rmi_driver_update_fw_store(struct device *dev,
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struct device_attribute *dattr,
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const char *buf, size_t count)
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@ -414,8 +435,25 @@ static ssize_t rmi_driver_update_fw_store(struct device *dev,
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static DEVICE_ATTR(update_fw, 0200, NULL, rmi_driver_update_fw_store);
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static ssize_t rmi_driver_update_fw_status_show(struct device *dev,
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struct device_attribute *dattr,
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char *buf)
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{
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struct rmi_driver_data *data = dev_get_drvdata(dev);
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int update_status = 0;
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if (data->f34_container)
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update_status = rmi_f34_status(data->f34_container);
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return scnprintf(buf, PAGE_SIZE, "%d\n", update_status);
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}
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static DEVICE_ATTR(update_fw_status, 0444,
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rmi_driver_update_fw_status_show, NULL);
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static struct attribute *rmi_firmware_attrs[] = {
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&dev_attr_update_fw.attr,
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&dev_attr_update_fw_status.attr,
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NULL
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};
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@ -301,6 +301,10 @@ struct f34_data {
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unsigned char bootloader_id[5];
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unsigned char configuration_id[CONFIG_ID_SIZE*2 + 1];
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int update_status;
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int update_progress;
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int update_size;
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union {
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struct f34v5_data v5;
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struct f34v7_data v7;
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@ -588,6 +588,7 @@ static int rmi_f34v7_check_ui_firmware_size(struct f34_data *f34)
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u16 block_count;
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block_count = f34->v7.img.ui_firmware.size / f34->v7.block_size;
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f34->update_size += block_count;
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if (block_count != f34->v7.blkcount.ui_firmware) {
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dev_err(&f34->fn->dev,
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@ -604,6 +605,7 @@ static int rmi_f34v7_check_ui_config_size(struct f34_data *f34)
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u16 block_count;
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block_count = f34->v7.img.ui_config.size / f34->v7.block_size;
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f34->update_size += block_count;
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if (block_count != f34->v7.blkcount.ui_config) {
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dev_err(&f34->fn->dev, "UI config size mismatch\n");
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@ -618,6 +620,7 @@ static int rmi_f34v7_check_dp_config_size(struct f34_data *f34)
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u16 block_count;
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block_count = f34->v7.img.dp_config.size / f34->v7.block_size;
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f34->update_size += block_count;
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if (block_count != f34->v7.blkcount.dp_config) {
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dev_err(&f34->fn->dev, "Display config size mismatch\n");
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@ -632,6 +635,8 @@ static int rmi_f34v7_check_guest_code_size(struct f34_data *f34)
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u16 block_count;
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block_count = f34->v7.img.guest_code.size / f34->v7.block_size;
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f34->update_size += block_count;
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if (block_count != f34->v7.blkcount.guest_code) {
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dev_err(&f34->fn->dev, "Guest code size mismatch\n");
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return -EINVAL;
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@ -645,6 +650,7 @@ static int rmi_f34v7_check_bl_config_size(struct f34_data *f34)
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u16 block_count;
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block_count = f34->v7.img.bl_config.size / f34->v7.block_size;
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f34->update_size += block_count;
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if (block_count != f34->v7.blkcount.bl_config) {
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dev_err(&f34->fn->dev, "Bootloader config size mismatch\n");
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@ -881,6 +887,9 @@ static int rmi_f34v7_write_f34v7_blocks(struct f34_data *f34,
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block_ptr += (transfer * f34->v7.block_size);
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remaining -= transfer;
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f34->update_progress += transfer;
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f34->update_status = (f34->update_progress * 100) /
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f34->update_size;
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} while (remaining);
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return 0;
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@ -1191,6 +1200,8 @@ int rmi_f34v7_do_reflash(struct f34_data *f34, const struct firmware *fw)
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rmi_f34v7_read_queries_bl_version(f34);
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f34->v7.image = fw->data;
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f34->update_progress = 0;
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f34->update_size = 0;
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ret = rmi_f34v7_parse_image_info(f34);
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if (ret < 0)
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