diff options
36 files changed, 537 insertions, 339 deletions
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index bfc7f5f5d6f2..9acbeba832c0 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -65,6 +65,14 @@ clock-frequency = <33333333>; }; + reg_5v0: regulator-5v0 { + compatible = "regulator-fixed"; + + regulator-name = "5v0-supply"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + cpu_intc: cpu-interrupt-controller { compatible = "snps,archs-intc"; interrupt-controller; @@ -264,6 +272,21 @@ clocks = <&input_clk>; cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>, <&creg_gpio 1 GPIO_ACTIVE_LOW>; + + spi-flash@0 { + compatible = "sst26wf016b", "jedec,spi-nor"; + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + spi-max-frequency = <4000000>; + }; + + adc@1 { + compatible = "ti,adc108s102"; + reg = <1>; + vref-supply = <®_5v0>; + spi-max-frequency = <1000000>; + }; }; creg_gpio: gpio@14b0 { diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig index 9b9a74444ce2..0974226fab55 100644 --- a/arch/arc/configs/hsdk_defconfig +++ b/arch/arc/configs/hsdk_defconfig @@ -32,6 +32,8 @@ CONFIG_INET=y CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set +CONFIG_MTD=y +CONFIG_MTD_SPI_NOR=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_NETDEVICES=y @@ -55,6 +57,8 @@ CONFIG_GPIO_SYSFS=y CONFIG_GPIO_DWAPB=y CONFIG_GPIO_SNPS_CREG=y # CONFIG_HWMON is not set +CONFIG_REGULATOR=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_DRM=y # CONFIG_DRM_FBDEV_EMULATION is not set CONFIG_DRM_UDL=y @@ -72,6 +76,8 @@ CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y CONFIG_DMADEVICES=y CONFIG_DW_AXI_DMAC=y +CONFIG_IIO=y +CONFIG_TI_ADC108S102=y CONFIG_EXT3_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index 861a8aea51f9..661fd842ea97 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -614,8 +614,8 @@ static int arc_pmu_device_probe(struct platform_device *pdev) /* loop thru all available h/w condition indexes */ for (i = 0; i < cc_bcr.c; i++) { write_aux_reg(ARC_REG_CC_INDEX, i); - cc_name.indiv.word0 = read_aux_reg(ARC_REG_CC_NAME0); - cc_name.indiv.word1 = read_aux_reg(ARC_REG_CC_NAME1); + cc_name.indiv.word0 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME0)); + cc_name.indiv.word1 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME1)); arc_pmu_map_hw_event(i, cc_name.str); arc_pmu_add_raw_event_attr(i, cc_name.str); diff --git a/drivers/hid/hid-axff.c b/drivers/hid/hid-axff.c index 6654c1550e2e..fbe4e16ab029 100644 --- a/drivers/hid/hid-axff.c +++ b/drivers/hid/hid-axff.c @@ -63,13 +63,20 @@ static int axff_init(struct hid_device *hid) { struct axff_device *axff; struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int field_count = 0; int i, j; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 3eaee2c37931..63fdbf09b044 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1139,6 +1139,7 @@ int hid_open_report(struct hid_device *device) __u8 *start; __u8 *buf; __u8 *end; + __u8 *next; int ret; static int (*dispatch_type[])(struct hid_parser *parser, struct hid_item *item) = { @@ -1192,7 +1193,8 @@ int hid_open_report(struct hid_device *device) device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; ret = -EINVAL; - while ((start = fetch_item(start, end, &item)) != NULL) { + while ((next = fetch_item(start, end, &item)) != NULL) { + start = next; if (item.format != HID_ITEM_FORMAT_SHORT) { hid_err(device, "unexpected long global item\n"); @@ -1230,7 +1232,8 @@ int hid_open_report(struct hid_device *device) } } - hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); + hid_err(device, "item fetching failed at offset %u/%u\n", + size - (unsigned int)(end - start), size); err: kfree(parser->collection_stack); alloc_err: diff --git a/drivers/hid/hid-dr.c b/drivers/hid/hid-dr.c index 17e17f9a597b..947f19f8685f 100644 --- a/drivers/hid/hid-dr.c +++ b/drivers/hid/hid-dr.c @@ -75,13 +75,19 @@ static int drff_init(struct hid_device *hid) { struct drff_device *drff; struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-emsff.c b/drivers/hid/hid-emsff.c index 7cd5651872d3..c34f2e5a049f 100644 --- a/drivers/hid/hid-emsff.c +++ b/drivers/hid/hid-emsff.c @@ -47,13 +47,19 @@ static int emsff_init(struct hid_device *hid) { struct emsff_device *emsff; struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c index 0f95c96b70f8..ecbd3995a4eb 100644 --- a/drivers/hid/hid-gaff.c +++ b/drivers/hid/hid-gaff.c @@ -64,14 +64,20 @@ static int gaff_init(struct hid_device *hid) { struct gaff_device *gaff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct list_head *report_ptr = report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-google-hammer.c b/drivers/hid/hid-google-hammer.c index 84f8c127ebdc..d86a9189e88f 100644 --- a/drivers/hid/hid-google-hammer.c +++ b/drivers/hid/hid-google-hammer.c @@ -470,6 +470,10 @@ static const struct hid_device_id hammer_devices[] = { { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_HAMMER) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, + USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_MAGNEMITE) }, + { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, + USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_MASTERBALL) }, + { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_STAFF) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_WAND) }, diff --git a/drivers/hid/hid-holtekff.c b/drivers/hid/hid-holtekff.c index 10a720558830..8619b80c834c 100644 --- a/drivers/hid/hid-holtekff.c +++ b/drivers/hid/hid-holtekff.c @@ -124,13 +124,19 @@ static int holtekff_init(struct hid_device *hid) { struct holtekff_device *holtekff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output report found\n"); return -ENODEV; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 76969a22b0f2..447e8db21174 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -476,6 +476,8 @@ #define USB_DEVICE_ID_GOOGLE_STAFF 0x502b #define USB_DEVICE_ID_GOOGLE_WAND 0x502d #define USB_DEVICE_ID_GOOGLE_WHISKERS 0x5030 +#define USB_DEVICE_ID_GOOGLE_MASTERBALL 0x503c +#define USB_DEVICE_ID_GOOGLE_MAGNEMITE 0x503d #define USB_VENDOR_ID_GOTOP 0x08f2 #define USB_DEVICE_ID_SUPER_Q2 0x007f diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c index dd1a6c3a7de6..73d07e35f12a 100644 --- a/drivers/hid/hid-lg2ff.c +++ b/drivers/hid/hid-lg2ff.c @@ -50,11 +50,17 @@ int lg2ff_init(struct hid_device *hid) { struct lg2ff_device *lg2ff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7); if (!report) diff --git a/drivers/hid/hid-lg3ff.c b/drivers/hid/hid-lg3ff.c index 9ecb6fd06203..b7e1949f3cf7 100644 --- a/drivers/hid/hid-lg3ff.c +++ b/drivers/hid/hid-lg3ff.c @@ -117,12 +117,19 @@ static const signed short ff3_joystick_ac[] = { int lg3ff_init(struct hid_device *hid) { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; const signed short *ff_bits = ff3_joystick_ac; int error; int i; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 35)) return -ENODEV; diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index 03f0220062ca..5e6a0cef2a06 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -1253,8 +1253,8 @@ static int lg4ff_handle_multimode_wheel(struct hid_device *hid, u16 *real_produc int lg4ff_init(struct hid_device *hid) { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); @@ -1266,6 +1266,13 @@ int lg4ff_init(struct hid_device *hid) int mmode_ret, mmode_idx = -1; u16 real_product_id; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) return -1; diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c index c79a6ec43745..aed4ddc397a9 100644 --- a/drivers/hid/hid-lgff.c +++ b/drivers/hid/hid-lgff.c @@ -115,12 +115,19 @@ static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) int lgff_init(struct hid_device* hid) { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; const signed short *ff_bits = ff_joystick; int error; int i; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) return -ENODEV; diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 0179f7ed77e5..8e91e2f06cb4 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -1669,6 +1669,7 @@ static void hidpp_touchpad_raw_xy_event(struct hidpp_device *hidpp_dev, #define HIDPP_FF_EFFECTID_NONE -1 #define HIDPP_FF_EFFECTID_AUTOCENTER -2 +#define HIDPP_AUTOCENTER_PARAMS_LENGTH 18 #define HIDPP_FF_MAX_PARAMS 20 #define HIDPP_FF_RESERVED_SLOTS 1 @@ -2009,7 +2010,7 @@ static int hidpp_ff_erase_effect(struct input_dev *dev, int effect_id) static void hidpp_ff_set_autocenter(struct input_dev *dev, u16 magnitude) { struct hidpp_ff_private_data *data = dev->ff->private; - u8 params[18]; + u8 params[HIDPP_AUTOCENTER_PARAMS_LENGTH]; dbg_hid("Setting autocenter to %d.\n", magnitude); @@ -2077,23 +2078,34 @@ static DEVICE_ATTR(range, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, hidpp static void hidpp_ff_destroy(struct ff_device *ff) { struct hidpp_ff_private_data *data = ff->private; + struct hid_device *hid = data->hidpp->hid_dev; + hid_info(hid, "Unloading HID++ force feedback.\n"); + + device_remove_file(&hid->dev, &dev_attr_range); + destroy_workqueue(data->wq); kfree(data->effect_ids); } -static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) +static int hidpp_ff_init(struct hidpp_device *hidpp, + struct hidpp_ff_private_data *data) { struct hid_device *hid = hidpp->hid_dev; - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); const u16 bcdDevice = le16_to_cpu(udesc->bcdDevice); struct ff_device *ff; - struct hidpp_report response; - struct hidpp_ff_private_data *data; - int error, j, num_slots; + int error, j, num_slots = data->num_effects; u8 version; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + if (!dev) { hid_err(hid, "Struct input_dev not set!\n"); return -EINVAL; @@ -2109,27 +2121,17 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) for (j = 0; hidpp_ff_effects_v2[j] >= 0; j++) set_bit(hidpp_ff_effects_v2[j], dev->ffbit); - /* Read number of slots available in device */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_GET_INFO, NULL, 0, &response); - if (error) { - if (error < 0) - return error; - hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", - __func__, error); - return -EPROTO; - } - - num_slots = response.fap.params[0] - HIDPP_FF_RESERVED_SLOTS; - error = input_ff_create(dev, num_slots); if (error) { hid_err(dev, "Failed to create FF device!\n"); return error; } - - data = kzalloc(sizeof(*data), GFP_KERNEL); + /* + * Create a copy of passed data, so we can transfer memory + * ownership to FF core + */ + data = kmemdup(data, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; data->effect_ids = kcalloc(num_slots, sizeof(int), GFP_KERNEL); @@ -2145,10 +2147,7 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) } data->hidpp = hidpp; - data->feature_index = feature_index; data->version = version; - data->slot_autocenter = 0; - data->num_effects = num_slots; for (j = 0; j < num_slots; j++) data->effect_ids[j] = -1; @@ -2162,68 +2161,20 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) ff->set_autocenter = hidpp_ff_set_autocenter; ff->destroy = hidpp_ff_destroy; - - /* reset all forces */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_RESET_ALL, NULL, 0, &response); - - /* Read current Range */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_GET_APERTURE, NULL, 0, &response); - if (error) - hid_warn(hidpp->hid_dev, "Failed to read range from device!\n"); - data->range = error ? 900 : get_unaligned_be16(&response.fap.params[0]); - /* Create sysfs interface */ error = device_create_file(&(hidpp->hid_dev->dev), &dev_attr_range); if (error) hid_warn(hidpp->hid_dev, "Unable to create sysfs interface for \"range\", errno %d!\n", error); - /* Read the current gain values */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_GET_GLOBAL_GAINS, NULL, 0, &response); - if (error) - hid_warn(hidpp->hid_dev, "Failed to read gain values from device!\n"); - data->gain = error ? 0xffff : get_unaligned_be16(&response.fap.params[0]); - /* ignore boost value at response.fap.params[2] */ - /* init the hardware command queue */ atomic_set(&data->workqueue_size, 0); - /* initialize with zero autocenter to get wheel in usable state */ - hidpp_ff_set_autocenter(dev, 0); - hid_info(hid, "Force feedback support loaded (firmware release %d).\n", version); return 0; } -static int hidpp_ff_deinit(struct hid_device *hid) -{ - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; - struct hidpp_ff_private_data *data; - - if (!dev) { - hid_err(hid, "Struct input_dev not found!\n"); - return -EINVAL; - } - - hid_info(hid, "Unloading HID++ force feedback.\n"); - data = dev->ff->private; - if (!data) { - hid_err(hid, "Private data not found!\n"); - return -EINVAL; - } - - destroy_workqueue(data->wq); - device_remove_file(&hid->dev, &dev_attr_range); - - return 0; -} - - /* ************************************************************************** */ /* */ /* Device Support */ @@ -2725,24 +2676,93 @@ static int k400_connect(struct hid_device *hdev, bool connected) #define HIDPP_PAGE_G920_FORCE_FEEDBACK 0x8123 -static int g920_get_config(struct hidpp_device *hidpp) +static int g920_ff_set_autocenter(struct hidpp_device *hidpp, + struct hidpp_ff_private_data *data) { + struct hidpp_report response; + u8 params[HIDPP_AUTOCENTER_PARAMS_LENGTH] = { + [1] = HIDPP_FF_EFFECT_SPRING | HIDPP_FF_EFFECT_AUTOSTART, + }; + int ret; + + /* initialize with zero autocenter to get wheel in usable state */ + + dbg_hid("Setting autocenter to 0.\n"); + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_DOWNLOAD_EFFECT, + params, ARRAY_SIZE(params), + &response); + if (ret) + hid_warn(hidpp->hid_dev, "Failed to autocenter device!\n"); + else + data->slot_autocenter = response.fap.params[0]; + + return ret; +} + +static int g920_get_config(struct hidpp_device *hidpp, + struct hidpp_ff_private_data *data) +{ + struct hidpp_report response; u8 feature_type; - u8 feature_index; int ret; + memset(data, 0, sizeof(*data)); + /* Find feature and store for later use */ ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_G920_FORCE_FEEDBACK, - &feature_index, &feature_type); + &data->feature_index, &feature_type); if (ret) return ret; - ret = hidpp_ff_init(hidpp, feature_index); + /* Read number of slots available in device */ + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_GET_INFO, + NULL, 0, + &response); + if (ret) { + if (ret < 0) + return ret; + hid_err(hidpp->hid_dev, + "%s: received protocol error 0x%02x\n", __func__, ret); + return -EPROTO; + } + + data->num_effects = response.fap.params[0] - HIDPP_FF_RESERVED_SLOTS; + + /* reset all forces */ + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_RESET_ALL, + NULL, 0, + &response); if (ret) - hid_warn(hidpp->hid_dev, "Unable to initialize force feedback support, errno %d\n", - ret); + hid_warn(hidpp->hid_dev, "Failed to reset all forces!\n"); - return 0; + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_GET_APERTURE, + NULL, 0, + &response); + if (ret) { + hid_warn(hidpp->hid_dev, + "Failed to read range from device!\n"); + } + data->range = ret ? + 900 : get_unaligned_be16(&response.fap.params[0]); + + /* Read the current gain values */ + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_GET_GLOBAL_GAINS, + NULL, 0, + &response); + if (ret) + hid_warn(hidpp->hid_dev, + "Failed to read gain values from device!\n"); + data->gain = ret ? + 0xffff : get_unaligned_be16(&response.fap.params[0]); + + /* ignore boost value at response.fap.params[2] */ + + return g920_ff_set_autocenter(hidpp, data); } /* -------------------------------------------------------------------------- */ @@ -3458,34 +3478,45 @@ static int hidpp_get_report_length(struct hid_device *hdev, int id) return report->field[0]->report_count + 1; } -static bool hidpp_validate_report(struct hid_device *hdev, int id, - int expected_length, bool optional) +static bool hidpp_validate_device(struct hid_device *hdev) { - int report_length; + struct hidpp_device *hidpp = hid_get_drvdata(hdev); + int id, report_length, supported_reports = 0; - if (id >= HID_MAX_IDS || id < 0) { - hid_err(hdev, "invalid HID report id %u\n", id); - return false; + id = REPORT_ID_HIDPP_SHORT; + report_length = hidpp_get_report_length(hdev, id); + if (report_length) { + if (report_length < HIDPP_REPORT_SHORT_LENGTH) + goto bad_device; + + supported_reports++; } + id = REPORT_ID_HIDPP_LONG; report_length = hidpp_get_report_length(hdev, id); - if (!report_length) - return optional; + if (report_length) { + if (report_length < HIDPP_REPORT_LONG_LENGTH) + goto bad_device; - if (report_length < expected_length) { - hid_warn(hdev, "not enough values in hidpp report %d\n", id); - return false; + supported_reports++; } - return true; -} + id = REPORT_ID_HIDPP_VERY_LONG; + report_length = hidpp_get_report_length(hdev, id); + if (report_length) { + if (report_length < HIDPP_REPORT_LONG_LENGTH || + report_length > HIDPP_REPORT_VERY_LONG_MAX_LENGTH) + goto bad_device; -static bool hidpp_validate_device(struct hid_device *hdev) -{ - return hidpp_validate_report(hdev, REPORT_ID_HIDPP_SHORT, - HIDPP_REPORT_SHORT_LENGTH, false) && - hidpp_validate_report(hdev, REPORT_ID_HIDPP_LONG, - HIDPP_REPORT_LONG_LENGTH, true); + supported_reports++; + hidpp->very_long_report_length = report_length; + } + + return supported_reports; + +bad_device: + hid_warn(hdev, "not enough values in hidpp report %d\n", id); + return false; } static bool hidpp_application_equals(struct hid_device *hdev, @@ -3505,6 +3536,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) int ret; bool connected; unsigned int connect_mask = HID_CONNECT_DEFAULT; + struct hidpp_ff_private_data data; /* report_fixup needs drvdata to be set before we call hid_parse */ hidpp = devm_kzalloc(&hdev->dev, sizeof(*hidpp), GFP_KERNEL); @@ -3531,11 +3563,6 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) return hid_hw_start(hdev, HID_CONNECT_DEFAULT); } - hidpp->very_long_report_length = - hidpp_get_report_length(hdev, REPORT_ID_HIDPP_VERY_LONG); - if (hidpp->very_long_report_length > HIDPP_REPORT_VERY_LONG_MAX_LENGTH) - hidpp->very_long_report_length = HIDPP_REPORT_VERY_LONG_MAX_LENGTH; - if (id->group == HID_GROUP_LOGITECH_DJ_DEVICE) hidpp->quirks |= HIDPP_QUIRK_UNIFYING; @@ -3614,7 +3641,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) if (ret) goto hid_hw_init_fail; } else if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_G920)) { - ret = g920_get_config(hidpp); + ret = g920_get_co |