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path: root/drivers/hid/hid-lg4ff.c
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Diffstat (limited to 'drivers/hid/hid-lg4ff.c')
-rw-r--r--drivers/hid/hid-lg4ff.c127
1 files changed, 81 insertions, 46 deletions
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index 02cec83caac3..fbddcb37ae98 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -45,7 +45,8 @@
#define LG4FF_MODE_G25_IDX 3
#define LG4FF_MODE_DFGT_IDX 4
#define LG4FF_MODE_G27_IDX 5
-#define LG4FF_MODE_MAX_IDX 6
+#define LG4FF_MODE_G29_IDX 6
+#define LG4FF_MODE_MAX_IDX 7
#define LG4FF_MODE_NATIVE BIT(LG4FF_MODE_NATIVE_IDX)
#define LG4FF_MODE_DFEX BIT(LG4FF_MODE_DFEX_IDX)
@@ -53,6 +54,7 @@
#define LG4FF_MODE_G25 BIT(LG4FF_MODE_G25_IDX)
#define LG4FF_MODE_DFGT BIT(LG4FF_MODE_DFGT_IDX)
#define LG4FF_MODE_G27 BIT(LG4FF_MODE_G27_IDX)
+#define LG4FF_MODE_G29 BIT(LG4FF_MODE_G29_IDX)
#define LG4FF_DFEX_TAG "DF-EX"
#define LG4FF_DFEX_NAME "Driving Force / Formula EX"
@@ -62,6 +64,8 @@
#define LG4FF_G25_NAME "G25 Racing Wheel"
#define LG4FF_G27_TAG "G27"
#define LG4FF_G27_NAME "G27 Racing Wheel"
+#define LG4FF_G29_TAG "G29"
+#define LG4FF_G29_NAME "G29 Racing Wheel"
#define LG4FF_DFGT_TAG "DFGT"
#define LG4FF_DFGT_NAME "Driving Force GT"
@@ -114,16 +118,12 @@ struct lg4ff_compat_mode_switch {
};
struct lg4ff_wheel_ident_info {
+ const u32 modes;
const u16 mask;
const u16 result;
const u16 real_product_id;
};
-struct lg4ff_wheel_ident_checklist {
- const u32 count;
- const struct lg4ff_wheel_ident_info *models[];
-};
-
struct lg4ff_multimode_wheel {
const u16 product_id;
const u32 alternate_modes;
@@ -144,6 +144,7 @@ static const struct lg4ff_wheel lg4ff_devices[] = {
{USB_DEVICE_ID_LOGITECH_G25_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25},
{USB_DEVICE_ID_LOGITECH_DFGT_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25},
{USB_DEVICE_ID_LOGITECH_G27_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25},
+ {USB_DEVICE_ID_LOGITECH_G29_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25},
{USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2, lg4ff_wheel_effects, 40, 270, NULL},
{USB_DEVICE_ID_LOGITECH_WII_WHEEL, lg4ff_wheel_effects, 40, 270, NULL}
};
@@ -161,6 +162,9 @@ static const struct lg4ff_multimode_wheel lg4ff_multimode_wheels[] = {
{USB_DEVICE_ID_LOGITECH_G27_WHEEL,
LG4FF_MODE_NATIVE | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
LG4FF_G27_TAG, LG4FF_G27_NAME},
+ {USB_DEVICE_ID_LOGITECH_G29_WHEEL,
+ LG4FF_MODE_NATIVE | LG4FF_MODE_G29 | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
+ LG4FF_G29_TAG, LG4FF_G29_NAME},
};
static const struct lg4ff_alternate_mode lg4ff_alternate_modes[] = {
@@ -169,41 +173,61 @@ static const struct lg4ff_alternate_mode lg4ff_alternate_modes[] = {
[LG4FF_MODE_DFP_IDX] = {USB_DEVICE_ID_LOGITECH_DFP_WHEEL, LG4FF_DFP_TAG, LG4FF_DFP_NAME},
[LG4FF_MODE_G25_IDX] = {USB_DEVICE_ID_LOGITECH_G25_WHEEL, LG4FF_G25_TAG, LG4FF_G25_NAME},
[LG4FF_MODE_DFGT_IDX] = {USB_DEVICE_ID_LOGITECH_DFGT_WHEEL, LG4FF_DFGT_TAG, LG4FF_DFGT_NAME},
- [LG4FF_MODE_G27_IDX] = {USB_DEVICE_ID_LOGITECH_G27_WHEEL, LG4FF_G27_TAG, LG4FF_G27_NAME}
+ [LG4FF_MODE_G27_IDX] = {USB_DEVICE_ID_LOGITECH_G27_WHEEL, LG4FF_G27_TAG, LG4FF_G27_NAME},
+ [LG4FF_MODE_G29_IDX] = {USB_DEVICE_ID_LOGITECH_G29_WHEEL, LG4FF_G29_TAG, LG4FF_G29_NAME},
};
/* Multimode wheel identificators */
static const struct lg4ff_wheel_ident_info lg4ff_dfp_ident_info = {
+ LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
0xf000,
0x1000,
USB_DEVICE_ID_LOGITECH_DFP_WHEEL
};
static const struct lg4ff_wheel_ident_info lg4ff_g25_ident_info = {
+ LG4FF_MODE_G25 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
0xff00,
0x1200,
USB_DEVICE_ID_LOGITECH_G25_WHEEL
};
static const struct lg4ff_wheel_ident_info lg4ff_g27_ident_info = {
+ LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
0xfff0,
0x1230,
USB_DEVICE_ID_LOGITECH_G27_WHEEL
};
static const struct lg4ff_wheel_ident_info lg4ff_dfgt_ident_info = {
+ LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
0xff00,
0x1300,
USB_DEVICE_ID_LOGITECH_DFGT_WHEEL
};
+static const struct lg4ff_wheel_ident_info lg4ff_g29_ident_info = {
+ LG4FF_MODE_G29 | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
+ 0xfff8,
+ 0x1350,
+ USB_DEVICE_ID_LOGITECH_G29_WHEEL
+};
+
+static const struct lg4ff_wheel_ident_info lg4ff_g29_ident_info2 = {
+ LG4FF_MODE_G29 | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX,
+ 0xff00,
+ 0x8900,
+ USB_DEVICE_ID_LOGITECH_G29_WHEEL
+};
+
/* Multimode wheel identification checklists */
-static const struct lg4ff_wheel_ident_checklist lg4ff_main_checklist = {
- 4,
- {&lg4ff_dfgt_ident_info,
- &lg4ff_g27_ident_info,
- &lg4ff_g25_ident_info,
- &lg4ff_dfp_ident_info}
+static const struct lg4ff_wheel_ident_info *lg4ff_main_checklist[] = {
+ &lg4ff_g29_ident_info,
+ &lg4ff_g29_ident_info2,
+ &lg4ff_dfgt_ident_info,
+ &lg4ff_g27_ident_info,
+ &lg4ff_g25_ident_info,
+ &lg4ff_dfp_ident_info
};
/* Compatibility mode switching commands */
@@ -238,6 +262,12 @@ static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_g27 = {
0xf8, 0x09, 0x04, 0x01, 0x00, 0x00, 0x00} /* Switch mode to G27 with detach */
};
+static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_g29 = {
+ 2,
+ {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* Revert mode upon USB reset */
+ 0xf8, 0x09, 0x05, 0x01, 0x01, 0x00, 0x00} /* Switch mode to G29 with detach */
+};
+
/* EXT_CMD1 - Understood by DFP, G25, G27 and DFGT */
static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext01_dfp = {
1,
@@ -651,6 +681,23 @@ static const struct lg4ff_compat_mode_switch *lg4ff_get_mode_switch_command(cons
return NULL;
}
break;
+ case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
+ switch (target_product_id) {
+ case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
+ return &lg4ff_mode_switch_ext09_dfp;
+ case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
+ return &lg4ff_mode_switch_ext09_dfgt;
+ case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
+ return &lg4ff_mode_switch_ext09_g25;
+ case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
+ return &lg4ff_mode_switch_ext09_g27;
+ case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
+ return &lg4ff_mode_switch_ext09_g29;
+ /* G29 can only be switched to DF-EX, DFP, DFGT, G25, G27 or its native mode */
+ default:
+ return NULL;
+ }
+ break;
case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
switch (target_product_id) {
case USB_DEVICE_ID_LOGITECH_WHEEL:
@@ -1037,41 +1084,28 @@ static enum led_brightness lg4ff_led_get_brightness(struct led_classdev *led_cde
static u16 lg4ff_identify_multimode_wheel(struct hid_device *hid, const u16 reported_product_id, const u16 bcdDevice)
{
- const struct lg4ff_wheel_ident_checklist *checklist;
- int i, from_idx, to_idx;
+ u32 current_mode;
+ int i;
- switch (reported_product_id) {
- case USB_DEVICE_ID_LOGITECH_WHEEL:
- case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
- checklist = &lg4ff_main_checklist;
- from_idx = 0;
- to_idx = checklist->count - 1;
- break;
- case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
- checklist = &lg4ff_main_checklist;
- from_idx = 0;
- to_idx = checklist->count - 2; /* End identity check at G25 */
- break;
- case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
- checklist = &lg4ff_main_checklist;
- from_idx = 1; /* Start identity check at G27 */
- to_idx = checklist->count - 3; /* End identity check at G27 */
- break;
- case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
- checklist = &lg4ff_main_checklist;
- from_idx = 0;
- to_idx = checklist->count - 4; /* End identity check at DFGT */
- break;
- default:
- return 0;
+ /* identify current mode from USB PID */
+ for (i = 1; i < ARRAY_SIZE(lg4ff_alternate_modes); i++) {
+ dbg_hid("Testing whether PID is %X\n", lg4ff_alternate_modes[i].product_id);
+ if (reported_product_id == lg4ff_alternate_modes[i].product_id)
+ break;
}
- for (i = from_idx; i <= to_idx; i++) {
- const u16 mask = checklist->models[i]->mask;
- const u16 result = checklist->models[i]->result;
- const u16 real_product_id = checklist->models[i]->real_product_id;
+ if (i == ARRAY_SIZE(lg4ff_alternate_modes))
+ return 0;
+
+ current_mode = BIT(i);
+
+ for (i = 0; i < ARRAY_SIZE(lg4ff_main_checklist); i++) {
+ const u16 mask = lg4ff_main_checklist[i]->mask;
+ const u16 result = lg4ff_main_checklist[i]->result;
+ const u16 real_product_id = lg4ff_main_checklist[i]->real_product_id;
- if ((bcdDevice & mask) == result) {
+ if ((current_mode & lg4ff_main_checklist[i]->modes) && \
+ (bcdDevice & mask) == result) {
dbg_hid("Found wheel with real PID %X whose reported PID is %X\n", real_product_id, reported_product_id);
return real_product_id;
}
@@ -1246,12 +1280,13 @@ int lg4ff_init(struct hid_device *hid)
entry->wdata.set_range(hid, entry->wdata.range);
#ifdef CONFIG_LEDS_CLASS
- /* register led subsystem - G27 only */
+ /* register led subsystem - G27/G29 only */
entry->wdata.led_state = 0;
for (j = 0; j < 5; j++)
entry->wdata.led[j] = NULL;
- if (lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_G27_WHEEL) {
+ if (lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_G27_WHEEL ||
+ lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_G29_WHEEL) {
struct led_classdev *led;
size_t name_sz;
char *name;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 14:20:39 +0000