diff options
Diffstat (limited to 'drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c')
| -rw-r--r-- | drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c | 68 |
1 files changed, 59 insertions, 9 deletions
diff --git a/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c b/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c index 65ef10036126..0c7e5cc5dc7e 100644 --- a/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c +++ b/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c @@ -10,10 +10,12 @@ #define VID_UGEE 0x28BD /* VID is shared with SinoWealth and Glorious and prob others */ #define PID_ARTIST_PRO14_GEN2 0x095A #define PID_ARTIST_PRO16_GEN2 0x095B +#define PID_ARTIST_PRO19_GEN2 0x096A HID_BPF_CONFIG( HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, VID_UGEE, PID_ARTIST_PRO14_GEN2), - HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, VID_UGEE, PID_ARTIST_PRO16_GEN2) + HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, VID_UGEE, PID_ARTIST_PRO16_GEN2), + HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, VID_UGEE, PID_ARTIST_PRO19_GEN2) ); /* @@ -22,7 +24,7 @@ HID_BPF_CONFIG( * - when the eraser button is pressed and the stylus is touching the tablet, * the device sends Tip Switch instead of sending Eraser * - * This descriptor uses physical dimensions of the 16" device. + * This descriptor uses the physical dimensions of the 16" device. */ static const __u8 fixed_rdesc[] = { 0x05, 0x0d, // Usage Page (Digitizers) 0 @@ -82,7 +84,7 @@ static const __u8 fixed_rdesc[] = { 0xc0, // End Collection 112 }; -SEC("fmod_ret/hid_bpf_rdesc_fixup") +SEC(HID_BPF_RDESC_FIXUP) int BPF_PROG(hid_fix_rdesc_xppen_artistpro16gen2, struct hid_bpf_ctx *hctx) { __u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 4096 /* size */); @@ -100,13 +102,18 @@ int BPF_PROG(hid_fix_rdesc_xppen_artistpro16gen2, struct hid_bpf_ctx *hctx) data[62] = 0x62; data[73] = 0x1c; data[72] = 0xfd; + } else if (hctx->hid->product == PID_ARTIST_PRO19_GEN2) { + /* 19" screen reports 16.101" x 9.057" */ + data[63] = 0x3e; + data[62] = 0xe5; + data[73] = 0x23; + data[72] = 0x61; } return sizeof(fixed_rdesc); } -SEC("fmod_ret/hid_bpf_device_event") -int BPF_PROG(xppen_16_fix_eraser, struct hid_bpf_ctx *hctx) +static int xppen_16_fix_eraser(struct hid_bpf_ctx *hctx) { __u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */); @@ -178,6 +185,27 @@ static const __u16 angle_offsets_vertical_16[128] = { 188, 186, 184, 182, 180, 178, 176, 174, 172 }; +/* 19" inch screen 16.101" x 9.057" */ +static const __u16 angle_offsets_horizontal_19[128] = { + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 25, 27, 29, 31, 33, 35, 37, 39, 41, + 42, 44, 46, 48, 50, 51, 53, 55, 57, 58, 60, 62, 63, 65, 67, 68, 70, 71, 73, 74, 76, + 77, 79, 80, 82, 83, 84, 86, 87, 88, 89, 90, 92, 93, 94, 95, 96, 97, 98, 99, 100, + 101, 102, 103, 104, 104, 105, 106, 106, 107, 108, 108, 109, 109, 110, 110, 111, + 111, 112, 112, 112, 112, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, + 113, 113, 112, 112, 112, 112, 111, 111, 110, 110, 109, 109, 108, 108, 107, 106, + 106, 105, 104, 104, 103, 102, 101, 100, 99, 98, 97, 96, 95, 94, 93, 92, 90 +}; +static const __u16 angle_offsets_vertical_19[128] = { + 0, 4, 7, 11, 14, 18, 21, 25, 28, 32, 35, 38, 42, 45, 49, 52, 56, 59, 62, 66, 69, 72, + 75, 79, 82, 85, 88, 91, 95, 98, 101, 104, 107, 110, 113, 116, 118, 121, 124, 127, + 129, 132, 135, 137, 140, 142, 145, 147, 150, 152, 154, 157, 159, 161, 163, 165, 167, + 169, 171, 173, 174, 176, 178, 179, 181, 183, 184, 185, 187, 188, 189, 190, 192, 193, + 194, 195, 195, 196, 197, 198, 198, 199, 199, 200, 200, 201, 201, 201, 201, 201, 201, + 201, 201, 201, 201, 201, 200, 200, 199, 199, 198, 198, 197, 196, 195, 195, 194, 193, + 192, 190, 189, 188, 187, 185, 184, 183, 181, 179, 178, 176, 174, 173, 171, 169, 167, + 165, 163, 161 +}; + static void compensate_coordinates_by_tilt(__u8 *data, const __u8 idx, const __s8 tilt, const __u16 (*compensation_table)[128]) { @@ -207,8 +235,7 @@ static void compensate_coordinates_by_tilt(__u8 *data, const __u8 idx, data[idx+1] = coords >> 8; } -SEC("fmod_ret/hid_bpf_device_event") -int BPF_PROG(xppen_16_fix_angle_offset, struct hid_bpf_ctx *hctx) +static int xppen_16_fix_angle_offset(struct hid_bpf_ctx *hctx) { __u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */); @@ -243,17 +270,40 @@ int BPF_PROG(xppen_16_fix_angle_offset, struct hid_bpf_ctx *hctx) __s8 tilt_x = (__s8) data[8]; __s8 tilt_y = (__s8) data[9]; - if (hctx->hid->product == PID_ARTIST_PRO14_GEN2) { + switch (hctx->hid->product) { + case PID_ARTIST_PRO14_GEN2: compensate_coordinates_by_tilt(data, 2, tilt_x, &angle_offsets_horizontal_14); compensate_coordinates_by_tilt(data, 4, tilt_y, &angle_offsets_vertical_14); - } else if (hctx->hid->product == PID_ARTIST_PRO16_GEN2) { + break; + case PID_ARTIST_PRO16_GEN2: compensate_coordinates_by_tilt(data, 2, tilt_x, &angle_offsets_horizontal_16); compensate_coordinates_by_tilt(data, 4, tilt_y, &angle_offsets_vertical_16); + break; + case PID_ARTIST_PRO19_GEN2: + compensate_coordinates_by_tilt(data, 2, tilt_x, &angle_offsets_horizontal_19); + compensate_coordinates_by_tilt(data, 4, tilt_y, &angle_offsets_vertical_19); + break; } return 0; } +SEC(HID_BPF_DEVICE_EVENT) +int BPF_PROG(xppen_artist_pro_16_device_event, struct hid_bpf_ctx *hctx) +{ + int ret = xppen_16_fix_angle_offset(hctx); + + if (ret) + return ret; + + return xppen_16_fix_eraser(hctx); +} + +HID_BPF_OPS(xppen_artist_pro_16) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc_xppen_artistpro16gen2, + .hid_device_event = (void *)xppen_artist_pro_16_device_event, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { |
