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path: root/drivers/hid/hid-nintendo.c
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Diffstat (limited to 'drivers/hid/hid-nintendo.c')
-rw-r--r--drivers/hid/hid-nintendo.c90
1 files changed, 50 insertions, 40 deletions
diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
index 3062daf68d31..7ac9217d9096 100644
--- a/drivers/hid/hid-nintendo.c
+++ b/drivers/hid/hid-nintendo.c
@@ -29,7 +29,7 @@
*/
#include "hid-ids.h"
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/kernel.h>
@@ -308,6 +308,7 @@ enum joycon_ctlr_state {
JOYCON_CTLR_STATE_INIT,
JOYCON_CTLR_STATE_READ,
JOYCON_CTLR_STATE_REMOVED,
+ JOYCON_CTLR_STATE_SUSPENDED,
};
/* Controller type received as part of device info */
@@ -456,24 +457,20 @@ static const struct joycon_ctlr_button_mapping snescon_button_mappings[] = {
{ /* sentinel */ },
};
-/*
- * "A", "B", and "C" are mapped positionally, rather than by label (e.g., "A"
- * gets assigned to BTN_EAST instead of BTN_A).
- */
static const struct joycon_ctlr_button_mapping gencon_button_mappings[] = {
- { BTN_SOUTH, JC_BTN_A, },
- { BTN_EAST, JC_BTN_B, },
- { BTN_WEST, JC_BTN_R, },
- { BTN_SELECT, JC_BTN_ZR, },
+ { BTN_WEST, JC_BTN_A, }, /* A */
+ { BTN_SOUTH, JC_BTN_B, }, /* B */
+ { BTN_EAST, JC_BTN_R, }, /* C */
+ { BTN_TL, JC_BTN_X, }, /* X MD/GEN 6B Only */
+ { BTN_NORTH, JC_BTN_Y, }, /* Y MD/GEN 6B Only */
+ { BTN_TR, JC_BTN_L, }, /* Z MD/GEN 6B Only */
+ { BTN_SELECT, JC_BTN_ZR, }, /* Mode */
{ BTN_START, JC_BTN_PLUS, },
{ BTN_MODE, JC_BTN_HOME, },
{ BTN_Z, JC_BTN_CAP, },
{ /* sentinel */ },
};
-/*
- * N64's C buttons get assigned to d-pad directions and registered as buttons.
- */
static const struct joycon_ctlr_button_mapping n64con_button_mappings[] = {
{ BTN_A, JC_BTN_A, },
{ BTN_B, JC_BTN_B, },
@@ -658,7 +655,6 @@ struct joycon_ctlr {
(ctlr->ctlr_type == JOYCON_CTLR_TYPE_JCR || \
ctlr->ctlr_type == JOYCON_CTLR_TYPE_PRO)
-
/*
* Controller device helpers
*
@@ -669,31 +665,11 @@ struct joycon_ctlr {
* These helpers are most useful early during the HID probe or in conjunction
* with the capability helpers below.
*/
-static inline bool joycon_device_is_procon(struct joycon_ctlr *ctlr)
-{
- return ctlr->hdev->product == USB_DEVICE_ID_NINTENDO_PROCON;
-}
-
static inline bool joycon_device_is_chrggrip(struct joycon_ctlr *ctlr)
{
return ctlr->hdev->product == USB_DEVICE_ID_NINTENDO_CHRGGRIP;
}
-static inline bool joycon_device_is_snescon(struct joycon_ctlr *ctlr)
-{
- return ctlr->hdev->product == USB_DEVICE_ID_NINTENDO_SNESCON;
-}
-
-static inline bool joycon_device_is_gencon(struct joycon_ctlr *ctlr)
-{
- return ctlr->hdev->product == USB_DEVICE_ID_NINTENDO_GENCON;
-}
-
-static inline bool joycon_device_is_n64con(struct joycon_ctlr *ctlr)
-{
- return ctlr->hdev->product == USB_DEVICE_ID_NINTENDO_N64CON;
-}
-
/*
* Controller type helpers
*
@@ -843,7 +819,7 @@ static void joycon_wait_for_input_report(struct joycon_ctlr *ctlr)
#define JC_INPUT_REPORT_MAX_DELTA 17
#define JC_SUBCMD_TX_OFFSET_MS 4
#define JC_SUBCMD_VALID_DELTA_REQ 3
-#define JC_SUBCMD_RATE_MAX_ATTEMPTS 500
+#define JC_SUBCMD_RATE_MAX_ATTEMPTS 25
#define JC_SUBCMD_RATE_LIMITER_USB_MS 20
#define JC_SUBCMD_RATE_LIMITER_BT_MS 60
#define JC_SUBCMD_RATE_LIMITER_MS(ctlr) ((ctlr)->hdev->bus == BUS_USB ? JC_SUBCMD_RATE_LIMITER_USB_MS : JC_SUBCMD_RATE_LIMITER_BT_MS)
@@ -1479,10 +1455,10 @@ static void joycon_parse_imu_report(struct joycon_ctlr *ctlr,
ctlr->imu_avg_delta_ms;
ctlr->imu_timestamp_us += 1000 * ctlr->imu_avg_delta_ms;
if (dropped_pkts > JC_IMU_DROPPED_PKT_WARNING) {
- hid_warn(ctlr->hdev,
+ hid_warn_ratelimited(ctlr->hdev,
"compensating for %u dropped IMU reports\n",
dropped_pkts);
- hid_warn(ctlr->hdev,
+ hid_warn_ratelimited(ctlr->hdev,
"delta=%u avg_delta=%u\n",
delta, ctlr->imu_avg_delta_ms);
}
@@ -2444,7 +2420,7 @@ static int joycon_read_info(struct joycon_ctlr *ctlr)
struct joycon_input_report *report;
req.subcmd_id = JC_SUBCMD_REQ_DEV_INFO;
- ret = joycon_send_subcmd(ctlr, &req, 0, HZ);
+ ret = joycon_send_subcmd(ctlr, &req, 0, 2 * HZ);
if (ret) {
hid_err(ctlr->hdev, "Failed to get joycon info; ret=%d\n", ret);
return ret;
@@ -2672,7 +2648,8 @@ static int nintendo_hid_probe(struct hid_device *hdev,
init_waitqueue_head(&ctlr->wait);
spin_lock_init(&ctlr->lock);
ctlr->rumble_queue = alloc_workqueue("hid-nintendo-rumble_wq",
- WQ_FREEZABLE | WQ_MEM_RECLAIM, 0);
+ WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!ctlr->rumble_queue) {
ret = -ENOMEM;
goto err;
@@ -2775,14 +2752,46 @@ static void nintendo_hid_remove(struct hid_device *hdev)
static int nintendo_hid_resume(struct hid_device *hdev)
{
- int ret = joycon_init(hdev);
+ struct joycon_ctlr *ctlr = hid_get_drvdata(hdev);
+ int ret;
+
+ hid_dbg(hdev, "resume\n");
+ if (!joycon_using_usb(ctlr)) {
+ hid_dbg(hdev, "no-op resume for bt ctlr\n");
+ ctlr->ctlr_state = JOYCON_CTLR_STATE_READ;
+ return 0;
+ }
+ ret = joycon_init(hdev);
if (ret)
- hid_err(hdev, "Failed to restore controller after resume");
+ hid_err(hdev,
+ "Failed to restore controller after resume: %d\n",
+ ret);
+ else
+ ctlr->ctlr_state = JOYCON_CTLR_STATE_READ;
return ret;
}
+static int nintendo_hid_suspend(struct hid_device *hdev, pm_message_t message)
+{
+ struct joycon_ctlr *ctlr = hid_get_drvdata(hdev);
+
+ hid_dbg(hdev, "suspend: %d\n", message.event);
+ /*
+ * Avoid any blocking loops in suspend/resume transitions.
+ *
+ * joycon_enforce_subcmd_rate() can result in repeated retries if for
+ * whatever reason the controller stops providing input reports.
+ *
+ * This has been observed with bluetooth controllers which lose
+ * connectivity prior to suspend (but not long enough to result in
+ * complete disconnection).
+ */
+ ctlr->ctlr_state = JOYCON_CTLR_STATE_SUSPENDED;
+ return 0;
+}
+
#endif
static const struct hid_device_id nintendo_hid_devices[] = {
@@ -2821,6 +2830,7 @@ static struct hid_driver nintendo_hid_driver = {
#ifdef CONFIG_PM
.resume = nintendo_hid_resume,
+ .suspend = nintendo_hid_suspend,
#endif
};
static int __init nintendo_init(void)