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-rw-r--r--src/portable/synopsys/dwc2/dwc2_common.h4
-rw-r--r--src/portable/synopsys/dwc2/dwc2_type.h10
-rw-r--r--src/portable/synopsys/dwc2/hcd_dwc2.c87
3 files changed, 62 insertions, 39 deletions
diff --git a/src/portable/synopsys/dwc2/dwc2_common.h b/src/portable/synopsys/dwc2/dwc2_common.h
index dc204f578..428304ba9 100644
--- a/src/portable/synopsys/dwc2/dwc2_common.h
+++ b/src/portable/synopsys/dwc2/dwc2_common.h
@@ -94,13 +94,13 @@ void dwc2_core_handle_common_irq(uint8_t rhport, bool in_isr);
TU_ATTR_ALWAYS_INLINE static inline void dfifo_flush_tx(dwc2_regs_t* dwc2, uint8_t fnum) {
// flush TX fifo and wait for it cleared
dwc2->grstctl = GRSTCTL_TXFFLSH | (fnum << GRSTCTL_TXFNUM_Pos);
- while (dwc2->grstctl & GRSTCTL_TXFFLSH_Msk) {}
+ while (0 != (dwc2->grstctl & GRSTCTL_TXFFLSH_Msk)) {}
}
TU_ATTR_ALWAYS_INLINE static inline void dfifo_flush_rx(dwc2_regs_t* dwc2) {
// flush RX fifo and wait for it cleared
dwc2->grstctl = GRSTCTL_RXFFLSH;
- while (dwc2->grstctl & GRSTCTL_RXFFLSH_Msk) {}
+ while (0 != (dwc2->grstctl & GRSTCTL_RXFFLSH_Msk)) {}
}
void dfifo_read_packet(dwc2_regs_t* dwc2, uint8_t* dst, uint16_t len);
diff --git a/src/portable/synopsys/dwc2/dwc2_type.h b/src/portable/synopsys/dwc2/dwc2_type.h
index adcc579e3..7693ce02a 100644
--- a/src/portable/synopsys/dwc2/dwc2_type.h
+++ b/src/portable/synopsys/dwc2/dwc2_type.h
@@ -92,6 +92,16 @@ enum {
};
enum {
+ GUSBCFG_PHYSEL_HIGHSPEED = 0,
+ GUSBCFG_PHYSEL_FULLSPEED = 1,
+};
+
+enum {
+ GUSBCFG_PHYHS_UTMI = 0,
+ GUSBCFG_PHYHS_ULPI = 1,
+};
+
+enum {
GHWCFG2_OPMODE_HNP_SRP = 0,
GHWCFG2_OPMODE_SRP = 1,
GHWCFG2_OPMODE_NON_HNP_NON_SRP = 2,
diff --git a/src/portable/synopsys/dwc2/hcd_dwc2.c b/src/portable/synopsys/dwc2/hcd_dwc2.c
index fa4e22629..b92448685 100644
--- a/src/portable/synopsys/dwc2/hcd_dwc2.c
+++ b/src/portable/synopsys/dwc2/hcd_dwc2.c
@@ -300,8 +300,8 @@ TU_ATTR_ALWAYS_INLINE static inline uint16_t cal_packet_count(uint16_t len, uint
}
TU_ATTR_ALWAYS_INLINE static inline uint8_t cal_next_pid(uint8_t pid, uint8_t packet_count) {
- if (packet_count & 0x01) {
- return pid ^ 0x02; // toggle DATA0 and DATA1
+ if (packet_count & 0x01u) {
+ return pid ^ 0x02u; // toggle DATA0 and DATA1
} else {
return pid;
}
@@ -544,17 +544,24 @@ bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_endpoint_t*
edpt->speed = bus_info.speed;
edpt->next_pid = HCTSIZ_PID_DATA0;
- if (desc_ep->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS) {
- edpt->uframe_interval = 1 << (desc_ep->bInterval - 1);
- if (bus_info.speed == TUSB_SPEED_FULL) {
- edpt->uframe_interval <<= 3;
- }
- } else if (desc_ep->bmAttributes.xfer == TUSB_XFER_INTERRUPT) {
- if (bus_info.speed == TUSB_SPEED_HIGH) {
+ switch (desc_ep->bmAttributes.xfer) {
+ case TUSB_XFER_ISOCHRONOUS:
edpt->uframe_interval = 1 << (desc_ep->bInterval - 1);
- } else {
- edpt->uframe_interval = desc_ep->bInterval << 3;
- }
+ if (bus_info.speed == TUSB_SPEED_FULL) {
+ edpt->uframe_interval <<= 3;
+ }
+ break;
+
+ case TUSB_XFER_INTERRUPT:
+ if (bus_info.speed == TUSB_SPEED_HIGH) {
+ edpt->uframe_interval = 1 << (desc_ep->bInterval - 1);
+ } else {
+ edpt->uframe_interval = desc_ep->bInterval << 3;
+ }
+ break;
+
+ default:
+ break;
}
return true;
@@ -801,7 +808,7 @@ static void channel_xfer_in_retry(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t hci
edpt->next_pid = hctsiz.pid; // save PID
edpt->uframe_countdown = edpt->uframe_interval - ucount;
// enable SOF interrupt if not already enabled
- if (!(dwc2->gintmsk & GINTMSK_SOFM)) {
+ if (0 == (dwc2->gintmsk & GINTMSK_SOFM)) {
dwc2->gintsts = GINTSTS_SOF;
dwc2->gintmsk |= GINTMSK_SOFM;
}
@@ -848,7 +855,7 @@ static void handle_rxflvl_irq(uint8_t rhport) {
TU_ASSERT(xfer->ep_id < CFG_TUH_DWC2_ENDPOINT_MAX,);
hcd_endpoint_t* edpt = &_hcd_data.edpt[xfer->ep_id];
- if (byte_count) {
+ if (byte_count > 0) {
dfifo_read_packet(dwc2, edpt->buffer + xfer->xferred_bytes, byte_count);
xfer->xferred_bytes += byte_count;
xfer->fifo_bytes = byte_count;
@@ -884,8 +891,8 @@ static bool handle_txfifo_empty(dwc2_regs_t* dwc2, bool is_periodic) {
dwc2_channel_t* channel = &dwc2->channel[ch_id];
const dwc2_channel_char_t hcchar = {.value = channel->hcchar};
// skip writing to FIFO if channel is expecting halted.
- if (!(channel->hcintmsk & HCINT_HALTED) && (hcchar.ep_dir == TUSB_DIR_OUT)) {
- hcd_xfer_t* xfer = &_hcd_data.xfer[ch_id];
+ if (0 == (channel->hcintmsk & HCINT_HALTED) && (hcchar.ep_dir == TUSB_DIR_OUT)) {
+ hcd_xfer_t *xfer = &_hcd_data.xfer[ch_id];
TU_ASSERT(xfer->ep_id < CFG_TUH_DWC2_ENDPOINT_MAX);
hcd_endpoint_t* edpt = &_hcd_data.edpt[xfer->ep_id];
const dwc2_channel_tsize_t hctsiz = {.value = channel->hctsiz};
@@ -946,6 +953,8 @@ static bool handle_channel_in_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t h
} else if (hcint & HCINT_XACT_ERR) {
xfer->err_count++;
channel->hcintmsk |= HCINT_ACK;
+ } else {
+ // nothing to do
}
channel_disable(dwc2, channel);
@@ -957,7 +966,7 @@ static bool handle_channel_in_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t h
channel_disable(dwc2, channel);
} else if (hcint & HCINT_NAK) {
// NAK received, disable channel to flush all posted request and try again
- if (hcsplt.split_en) {
+ if (hcsplt.split_en == 1u) {
hcsplt.split_compl = 0; // restart with start-split
channel->hcsplt = hcsplt.value;
}
@@ -966,8 +975,8 @@ static bool handle_channel_in_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t h
} else if (hcint & HCINT_ACK) {
xfer->err_count = 0;
- if (hcsplt.split_en) {
- if (!hcsplt.split_compl) {
+ if (hcsplt.split_en == 1u) {
+ if (hcsplt.split_compl == 0) {
// start split is ACK --> do complete split
channel->hcintmsk |= HCINT_NYET;
hcsplt.split_compl = 1;
@@ -979,7 +988,7 @@ static bool handle_channel_in_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t h
} else {
// ACK with data
const uint16_t remain_packets = hctsiz.packet_count;
- if (remain_packets) {
+ if (remain_packets > 0) {
// still more packet to receive, also reset to start split
hcsplt.split_compl = 0;
channel->hcsplt = hcsplt.value;
@@ -993,7 +1002,7 @@ static bool handle_channel_in_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t h
} else if (xfer->err_count == HCD_XFER_ERROR_MAX) {
xfer->result = XFER_RESULT_FAILED;
is_done = true;
- } else if (xfer->closing) {
+ } else if (xfer->closing == 1) {
is_done = true;
} else {
// got here due to NAK or NYET
@@ -1002,6 +1011,8 @@ static bool handle_channel_in_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t h
} else if (hcint & HCINT_DATATOGGLE_ERR) {
xfer->err_count = 0;
TU_ASSERT(false);
+ } else {
+ // nothing to do
}
return is_done;
}
@@ -1026,7 +1037,7 @@ static bool handle_channel_out_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t
channel_disable(dwc2, channel);
} else if (hcint & HCINT_NYET) {
xfer->err_count = 0;
- if (hcsplt.split_en) {
+ if (hcsplt.split_en == 1u) {
// retry complete split
hcsplt.split_compl = 1;
channel->hcsplt = hcsplt.value;
@@ -1054,8 +1065,8 @@ static bool handle_channel_out_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t
is_done = true;
} else if (xfer->err_count == HCD_XFER_ERROR_MAX) {
xfer->result = XFER_RESULT_FAILED;
- is_done = true;
- } else if (xfer->closing) {
+ is_done = true;
+ } else if (xfer->closing == 1) {
is_done = true;
} else {
// Got here due to NAK or NYET
@@ -1064,8 +1075,8 @@ static bool handle_channel_out_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t
} else if (hcint & HCINT_ACK) {
xfer->err_count = 0;
channel->hcintmsk &= ~HCINT_ACK;
- if (hcsplt.split_en) {
- if (!hcsplt.split_compl) {
+ if (hcsplt.split_en == 1u) {
+ if (hcsplt.split_compl == 0) {
// ACK for start split --> do complete split
hcsplt.split_compl = 1;
channel->hcsplt = hcsplt.value;
@@ -1077,6 +1088,8 @@ static bool handle_channel_out_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t
channel->hctsiz &= ~HCTSIZ_DOPING; // HC already cleared PING bit, but we clear anyway
channel->hcchar |= HCCHAR_CHENA;
}
+ } else {
+ // nothing to do
}
if (is_done) {
@@ -1174,7 +1187,7 @@ static bool handle_channel_in_dma(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t hci
channel_xfer_in_retry(dwc2, ch_id, hcint);
}
- if (xfer->closing) {
+ if (xfer->closing == 1) {
is_done = true;
}
}
@@ -1238,7 +1251,7 @@ static bool handle_channel_out_dma(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t hc
}
}
- if (xfer->closing) {
+ if (xfer->closing == 1) {
is_done = true;
}
} else if (hcint & HCINT_ACK) {
@@ -1289,7 +1302,7 @@ static void handle_channel_irq(uint8_t rhport, bool in_isr) {
}
if (is_done) {
- if (xfer->closing) {
+ if (xfer->closing == 1) {
hcd_endpoint_t *edpt = &_hcd_data.edpt[xfer->ep_id];
edpt_dealloc(edpt);
} else {
@@ -1337,9 +1350,9 @@ static void port0_enable(dwc2_regs_t* dwc2, tusb_speed_t speed) {
uint32_t hcfg = dwc2->hcfg & ~HCFG_FSLS_PHYCLK_SEL;
const dwc2_gusbcfg_t gusbcfg = {.value = dwc2->gusbcfg};
- uint32_t phy_clock;
+ uint32_t phy_clock;
- if (gusbcfg.phy_sel) {
+ if (gusbcfg.phy_sel == GUSBCFG_PHYSEL_FULLSPEED) {
phy_clock = 48; // dedicated FS is 48Mhz
if (speed == TUSB_SPEED_LOW) {
hcfg |= HCFG_FSLS_PHYCLK_SEL_6MHZ;
@@ -1347,7 +1360,7 @@ static void port0_enable(dwc2_regs_t* dwc2, tusb_speed_t speed) {
hcfg |= HCFG_FSLS_PHYCLK_SEL_48MHZ;
}
} else {
- if (gusbcfg.ulpi_utmi_sel) {
+ if (gusbcfg.ulpi_utmi_sel == GUSBCFG_PHYHS_ULPI) {
phy_clock = 60; // ULPI 8-bit is 60Mhz
} else {
// UTMI+ 16-bit is 30Mhz, 8-bit is 60Mhz
@@ -1386,20 +1399,20 @@ static void handle_hprt_irq(uint8_t rhport, bool in_isr) {
const dwc2_hprt_t hprt_bm = {.value = dwc2->hprt};
uint32_t hprt = hprt_bm.value & ~HPRT_W1_MASK;
- if (hprt_bm.conn_detected) {
+ if (hprt_bm.conn_detected == 1u) {
// Port Connect Detect
hprt |= HPRT_CONN_DETECT;
- if (hprt_bm.conn_status) {
+ if (hprt_bm.conn_status == 1u) {
hcd_event_device_attach(rhport, in_isr);
}
}
- if (hprt_bm.enable_change) {
+ if (hprt_bm.enable_change == 1u) {
// Port enable change
hprt |= HPRT_ENABLE_CHANGE;
- if (hprt_bm.enable) {
+ if (hprt_bm.enable == 1u) {
// Port enable
const tusb_speed_t speed = hprt_speed_get(dwc2);
port0_enable(dwc2, speed);
@@ -1458,7 +1471,7 @@ void hcd_int_handler(uint8_t rhport, bool in_isr) {
// Device disconnected
dwc2->gintsts = GINTSTS_DISCINT;
- if (!(dwc2->hprt & HPRT_CONN_STATUS)) {
+ if (0 == (dwc2->hprt & HPRT_CONN_STATUS)) {
hcd_event_device_remove(rhport, in_isr);
}
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-17 04:25:44 +0000