summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/wireless/ath/wil6210/debugfs.c22
-rw-r--r--drivers/net/wireless/ath/wil6210/interrupt.c80
-rw-r--r--drivers/net/wireless/ath/wil6210/main.c75
-rw-r--r--drivers/net/wireless/ath/wil6210/wil6210.h29
-rw-r--r--drivers/net/wireless/ath/wil6210/wmi.c20
5 files changed, 194 insertions, 32 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index b338a09175ad..5d8823da51fd 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -171,6 +171,8 @@ static void wil_print_ring(struct seq_file *s, const char *prefix,
int rsize;
uint i;
+ wil_halp_vote(wil);
+
wil_memcpy_fromio_32(&r, off, sizeof(r));
wil_mbox_ring_le2cpus(&r);
/*
@@ -236,6 +238,7 @@ static void wil_print_ring(struct seq_file *s, const char *prefix,
}
out:
seq_puts(s, "}\n");
+ wil_halp_unvote(wil);
}
static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
@@ -500,9 +503,9 @@ static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
enum { max_count = 4096 };
- struct debugfs_blob_wrapper *blob = file->private_data;
+ struct wil_blob_wrapper *wil_blob = file->private_data;
loff_t pos = *ppos;
- size_t available = blob->size;
+ size_t available = wil_blob->blob.size;
void *buf;
size_t ret;
@@ -521,8 +524,9 @@ static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
if (!buf)
return -ENOMEM;
- wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
- pos, count);
+ wil_memcpy_fromio_halp_vote(wil_blob->wil, buf,
+ (const volatile void __iomem *)
+ wil_blob->blob.data + pos, count);
ret = copy_to_user(user_buf, buf, count);
kfree(buf);
@@ -545,9 +549,9 @@ static
struct dentry *wil_debugfs_create_ioblob(const char *name,
umode_t mode,
struct dentry *parent,
- struct debugfs_blob_wrapper *blob)
+ struct wil_blob_wrapper *wil_blob)
{
- return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
+ return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob);
}
/*---reset---*/
@@ -1445,16 +1449,18 @@ static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
char name[32];
for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
- struct debugfs_blob_wrapper *blob = &wil->blobs[i];
+ struct wil_blob_wrapper *wil_blob = &wil->blobs[i];
+ struct debugfs_blob_wrapper *blob = &wil_blob->blob;
const struct fw_map *map = &fw_mapping[i];
if (!map->name)
continue;
+ wil_blob->wil = wil;
blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
blob->size = map->to - map->from;
snprintf(name, sizeof(name), "blob_%s", map->name);
- wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
+ wil_debugfs_create_ioblob(name, S_IRUGO, dbg, wil_blob);
}
}
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index 22592f338c1e..011e7412dcc0 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -35,17 +35,19 @@
*
*/
-#define WIL6210_IRQ_DISABLE (0xFFFFFFFFUL)
+#define WIL6210_IRQ_DISABLE (0xFFFFFFFFUL)
+#define WIL6210_IRQ_DISABLE_NO_HALP (0xF7FFFFFFUL)
#define WIL6210_IMC_RX (BIT_DMA_EP_RX_ICR_RX_DONE | \
BIT_DMA_EP_RX_ICR_RX_HTRSH)
#define WIL6210_IMC_RX_NO_RX_HTRSH (WIL6210_IMC_RX & \
(~(BIT_DMA_EP_RX_ICR_RX_HTRSH)))
#define WIL6210_IMC_TX (BIT_DMA_EP_TX_ICR_TX_DONE | \
BIT_DMA_EP_TX_ICR_TX_DONE_N(0))
-#define WIL6210_IMC_MISC (ISR_MISC_FW_READY | \
- ISR_MISC_MBOX_EVT | \
- ISR_MISC_FW_ERROR)
-
+#define WIL6210_IMC_MISC_NO_HALP (ISR_MISC_FW_READY | \
+ ISR_MISC_MBOX_EVT | \
+ ISR_MISC_FW_ERROR)
+#define WIL6210_IMC_MISC (WIL6210_IMC_MISC_NO_HALP | \
+ BIT_DMA_EP_MISC_ICR_HALP)
#define WIL6210_IRQ_PSEUDO_MASK (u32)(~(BIT_DMA_PSEUDO_CAUSE_RX | \
BIT_DMA_PSEUDO_CAUSE_TX | \
BIT_DMA_PSEUDO_CAUSE_MISC))
@@ -53,6 +55,7 @@
#if defined(CONFIG_WIL6210_ISR_COR)
/* configure to Clear-On-Read mode */
#define WIL_ICR_ICC_VALUE (0xFFFFFFFFUL)
+#define WIL_ICR_ICC_MISC_VALUE (0xF7FFFFFFUL)
static inline void wil_icr_clear(u32 x, void __iomem *addr)
{
@@ -60,6 +63,7 @@ static inline void wil_icr_clear(u32 x, void __iomem *addr)
#else /* defined(CONFIG_WIL6210_ISR_COR) */
/* configure to Write-1-to-Clear mode */
#define WIL_ICR_ICC_VALUE (0UL)
+#define WIL_ICR_ICC_MISC_VALUE (0UL)
static inline void wil_icr_clear(u32 x, void __iomem *addr)
{
@@ -88,10 +92,21 @@ static void wil6210_mask_irq_rx(struct wil6210_priv *wil)
WIL6210_IRQ_DISABLE);
}
-static void wil6210_mask_irq_misc(struct wil6210_priv *wil)
+static void wil6210_mask_irq_misc(struct wil6210_priv *wil, bool mask_halp)
{
+ wil_dbg_irq(wil, "%s: mask_halp(%s)\n", __func__,
+ mask_halp ? "true" : "false");
+
wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, IMS),
- WIL6210_IRQ_DISABLE);
+ mask_halp ? WIL6210_IRQ_DISABLE : WIL6210_IRQ_DISABLE_NO_HALP);
+}
+
+static void wil6210_mask_halp(struct wil6210_priv *wil)
+{
+ wil_dbg_irq(wil, "%s()\n", __func__);
+
+ wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, IMS),
+ BIT_DMA_EP_MISC_ICR_HALP);
}
static void wil6210_mask_irq_pseudo(struct wil6210_priv *wil)
@@ -117,10 +132,21 @@ void wil6210_unmask_irq_rx(struct wil6210_priv *wil)
unmask_rx_htrsh ? WIL6210_IMC_RX : WIL6210_IMC_RX_NO_RX_HTRSH);
}
-static void wil6210_unmask_irq_misc(struct wil6210_priv *wil)
+static void wil6210_unmask_irq_misc(struct wil6210_priv *wil, bool unmask_halp)
{
+ wil_dbg_irq(wil, "%s: unmask_halp(%s)\n", __func__,
+ unmask_halp ? "true" : "false");
+
wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, IMC),
- WIL6210_IMC_MISC);
+ unmask_halp ? WIL6210_IMC_MISC : WIL6210_IMC_MISC_NO_HALP);
+}
+
+static void wil6210_unmask_halp(struct wil6210_priv *wil)
+{
+ wil_dbg_irq(wil, "%s()\n", __func__);
+
+ wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, IMC),
+ BIT_DMA_EP_MISC_ICR_HALP);
}
static void wil6210_unmask_irq_pseudo(struct wil6210_priv *wil)
@@ -138,7 +164,7 @@ void wil_mask_irq(struct wil6210_priv *wil)
wil6210_mask_irq_tx(wil);
wil6210_mask_irq_rx(wil);
- wil6210_mask_irq_misc(wil);
+ wil6210_mask_irq_misc(wil, true);
wil6210_mask_irq_pseudo(wil);
}
@@ -151,12 +177,12 @@ void wil_unmask_irq(struct wil6210_priv *wil)
wil_w(wil, RGF_DMA_EP_TX_ICR + offsetof(struct RGF_ICR, ICC),
WIL_ICR_ICC_VALUE);
wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, ICC),
- WIL_ICR_ICC_VALUE);
+ WIL_ICR_ICC_MISC_VALUE);
wil6210_unmask_irq_pseudo(wil);
wil6210_unmask_irq_tx(wil);
wil6210_unmask_irq_rx(wil);
- wil6210_unmask_irq_misc(wil);
+ wil6210_unmask_irq_misc(wil, true);
}
void wil_configure_interrupt_moderation(struct wil6210_priv *wil)
@@ -345,7 +371,7 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
return IRQ_NONE;
}
- wil6210_mask_irq_misc(wil);
+ wil6210_mask_irq_misc(wil, false);
if (isr & ISR_MISC_FW_ERROR) {
u32 fw_assert_code = wil_r(wil, RGF_FW_ASSERT_CODE);
@@ -373,12 +399,19 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
isr &= ~ISR_MISC_FW_READY;
}
+ if (isr & BIT_DMA_EP_MISC_ICR_HALP) {
+ wil_dbg_irq(wil, "%s: HALP IRQ invoked\n", __func__);
+ wil6210_mask_halp(wil);
+ isr &= ~BIT_DMA_EP_MISC_ICR_HALP;
+ complete(&wil->halp.comp);
+ }
+
wil->isr_misc = isr;
if (isr) {
return IRQ_WAKE_THREAD;
} else {
- wil6210_unmask_irq_misc(wil);
+ wil6210_unmask_irq_misc(wil, false);
return IRQ_HANDLED;
}
}
@@ -415,7 +448,7 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie)
wil->isr_misc = 0;
- wil6210_unmask_irq_misc(wil);
+ wil6210_unmask_irq_misc(wil, false);
return IRQ_HANDLED;
}
@@ -557,6 +590,23 @@ void wil6210_clear_irq(struct wil6210_priv *wil)
wmb(); /* make sure write completed */
}
+void wil6210_set_halp(struct wil6210_priv *wil)
+{
+ wil_dbg_misc(wil, "%s()\n", __func__);
+
+ wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, ICS),
+ BIT_DMA_EP_MISC_ICR_HALP);
+}
+
+void wil6210_clear_halp(struct wil6210_priv *wil)
+{
+ wil_dbg_misc(wil, "%s()\n", __func__);
+
+ wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, ICR),
+ BIT_DMA_EP_MISC_ICR_HALP);
+ wil6210_unmask_halp(wil);
+}
+
int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi)
{
int rc;
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 261bdabccc83..f7ed65144742 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -23,6 +23,8 @@
#include "wmi.h"
#include "boot_loader.h"
+#define WAIT_FOR_HALP_VOTE_MS 100
+
bool debug_fw; /* = false; */
module_param(debug_fw, bool, S_IRUGO);
MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug");
@@ -132,6 +134,14 @@ void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
*d++ = __raw_readl(s++);
}
+void wil_memcpy_fromio_halp_vote(struct wil6210_priv *wil, void *dst,
+ const volatile void __iomem *src, size_t count)
+{
+ wil_halp_vote(wil);
+ wil_memcpy_fromio_32(dst, src, count);
+ wil_halp_unvote(wil);
+}
+
void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
size_t count)
{
@@ -142,6 +152,15 @@ void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
__raw_writel(*s++, d++);
}
+void wil_memcpy_toio_halp_vote(struct wil6210_priv *wil,
+ volatile void __iomem *dst,
+ const void *src, size_t count)
+{
+ wil_halp_vote(wil);
+ wil_memcpy_toio_32(dst, src, count);
+ wil_halp_unvote(wil);
+}
+
static void wil_disconnect_cid(struct wil6210_priv *wil, int cid,
u16 reason_code, bool from_event)
__acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
@@ -474,9 +493,11 @@ int wil_priv_init(struct wil6210_priv *wil)
mutex_init(&wil->wmi_mutex);
mutex_init(&wil->probe_client_mutex);
mutex_init(&wil->p2p_wdev_mutex);
+ mutex_init(&wil->halp.lock);
init_completion(&wil->wmi_ready);
init_completion(&wil->wmi_call);
+ init_completion(&wil->halp.comp);
wil->bcast_vring = -1;
setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil);
@@ -572,11 +593,10 @@ static inline void wil_release_cpu(struct wil6210_priv *wil)
static void wil_set_oob_mode(struct wil6210_priv *wil, bool enable)
{
wil_info(wil, "%s: enable=%d\n", __func__, enable);
- if (enable) {
+ if (enable)
wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
- } else {
+ else
wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
- }
}
static int wil_target_reset(struct wil6210_priv *wil)
@@ -888,6 +908,7 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
wil->ap_isolate = 0;
reinit_completion(&wil->wmi_ready);
reinit_completion(&wil->wmi_call);
+ reinit_completion(&wil->halp.comp);
if (load_fw) {
wil_configure_interrupt_moderation(wil);
@@ -1078,3 +1099,51 @@ int wil_find_cid(struct wil6210_priv *wil, const u8 *mac)
return rc;
}
+
+void wil_halp_vote(struct wil6210_priv *wil)
+{
+ unsigned long rc;
+ unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS);
+
+ mutex_lock(&wil->halp.lock);
+
+ wil_dbg_misc(wil, "%s: start, HALP ref_cnt (%d)\n", __func__,
+ wil->halp.ref_cnt);
+
+ if (++wil->halp.ref_cnt == 1) {
+ wil6210_set_halp(wil);
+ rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies);
+ if (!rc)
+ wil_err(wil, "%s: HALP vote timed out\n", __func__);
+ else
+ wil_dbg_misc(wil,
+ "%s: HALP vote completed after %d ms\n",
+ __func__,
+ jiffies_to_msecs(to_jiffies - rc));
+ }
+
+ wil_dbg_misc(wil, "%s: end, HALP ref_cnt (%d)\n", __func__,
+ wil->halp.ref_cnt);
+
+ mutex_unlock(&wil->halp.lock);
+}
+
+void wil_halp_unvote(struct wil6210_priv *wil)
+{
+ WARN_ON(wil->halp.ref_cnt == 0);
+
+ mutex_lock(&wil->halp.lock);
+
+ wil_dbg_misc(wil, "%s: start, HALP ref_cnt (%d)\n", __func__,
+ wil->halp.ref_cnt);
+
+ if (--wil->halp.ref_cnt == 0) {
+ wil6210_clear_halp(wil);
+ wil_dbg_misc(wil, "%s: HALP unvote\n", __func__);
+ }
+
+ wil_dbg_misc(wil, "%s: end, HALP ref_cnt (%d)\n", __func__,
+ wil->halp.ref_cnt);
+
+ mutex_unlock(&wil->halp.lock);
+}
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 50acd136d967..74bc2c5c1a44 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -168,6 +168,7 @@ struct RGF_ICR {
#define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
#define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
#define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
+ #define BIT_DMA_EP_MISC_ICR_HALP BIT(27)
#define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
/* Legacy interrupt moderation control (before Sparrow v2)*/
@@ -534,6 +535,17 @@ struct pmc_ctx {
int descriptor_size;
};
+struct wil_halp {
+ struct mutex lock; /* protect halp ref_cnt */
+ unsigned int ref_cnt;
+ struct completion comp;
+};
+
+struct wil_blob_wrapper {
+ struct wil6210_priv *wil;
+ struct debugfs_blob_wrapper blob;
+};
+
struct wil6210_priv {
struct pci_dev *pdev;
struct wireless_dev *wdev;
@@ -606,7 +618,7 @@ struct wil6210_priv {
atomic_t isr_count_rx, isr_count_tx;
/* debugfs */
struct dentry *debug;
- struct debugfs_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
+ struct wil_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
u8 discovery_mode;
void *platform_handle;
@@ -622,6 +634,10 @@ struct wil6210_priv {
struct wireless_dev *p2p_wdev;
struct mutex p2p_wdev_mutex; /* protect @p2p_wdev */
struct wireless_dev *radio_wdev;
+
+ /* High Access Latency Policy voting */
+ struct wil_halp halp;
+
};
#define wil_to_wiphy(i) (i->wdev->wiphy)
@@ -713,6 +729,12 @@ void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
size_t count);
void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
size_t count);
+void wil_memcpy_fromio_halp_vote(struct wil6210_priv *wil, void *dst,
+ const volatile void __iomem *src,
+ size_t count);
+void wil_memcpy_toio_halp_vote(struct wil6210_priv *wil,
+ volatile void __iomem *dst,
+ const void *src, size_t count);
void *wil_if_alloc(struct device *dev);
void wil_if_free(struct wil6210_priv *wil);
@@ -849,4 +871,9 @@ int wil_resume(struct wil6210_priv *wil, bool is_runtime);
int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size);
void wil_fw_core_dump(struct wil6210_priv *wil);
+void wil_halp_vote(struct wil6210_priv *wil);
+void wil_halp_unvote(struct wil6210_priv *wil);
+void wil6210_set_halp(struct wil6210_priv *wil);
+void wil6210_clear_halp(struct wil6210_priv *wil);
+
#endif /* __WIL6210_H__ */
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 6ca28c3eff0a..2e347efc39d8 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -194,6 +194,7 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
void __iomem *dst;
void __iomem *head = wmi_addr(wil, r->head);
uint retry;
+ int rc = 0;
if (sizeof(cmd) + len > r->entry_size) {
wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
@@ -212,6 +213,9 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
return -EINVAL;
}
+
+ wil_halp_vote(wil);
+
/* read Tx head till it is not busy */
for (retry = 5; retry > 0; retry--) {
wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
@@ -221,7 +225,8 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
}
if (d_head.sync != 0) {
wil_err(wil, "WMI head busy\n");
- return -EBUSY;
+ rc = -EBUSY;
+ goto out;
}
/* next head */
next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
@@ -230,7 +235,8 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
for (retry = 5; retry > 0; retry--) {
if (!test_bit(wil_status_fwready, wil->status)) {
wil_err(wil, "WMI: cannot send command while FW not ready\n");
- return -EAGAIN;
+ rc = -EAGAIN;
+ goto out;
}
r->tail = wil_r(wil, RGF_MBOX +
offsetof(struct wil6210_mbox_ctl, tx.tail));
@@ -240,13 +246,15 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
}
if (next_head == r->tail) {
wil_err(wil, "WMI ring full\n");
- return -EBUSY;
+ rc = -EBUSY;
+ goto out;
}
dst = wmi_buffer(wil, d_head.addr);
if (!dst) {
wil_err(wil, "invalid WMI buffer: 0x%08x\n",
le32_to_cpu(d_head.addr));
- return -EINVAL;
+ rc = -EAGAIN;
+ goto out;
}
cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
/* set command */
@@ -269,7 +277,9 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
wil_w(wil, RGF_USER_USER_ICR + offsetof(struct RGF_ICR, ICS),
SW_INT_MBOX);
- return 0;
+out:
+ wil_halp_unvote(wil);
+ return rc;
}
int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-26 12:09:23 +0000