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Searched refs:circ (Results 1 – 7 of 7) sorted by relevance

/Linux-v4.19/drivers/acpi/
Dacpi_dbg.c30 #define circ_count(circ) \ argument
31 (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
32 #define circ_count_to_end(circ) \ argument
33 (CIRC_CNT_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
34 #define circ_space(circ) \ argument
35 (CIRC_SPACE((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
36 #define circ_space_to_end(circ) \ argument
37 (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
94 static inline bool __acpi_aml_readable(struct circ_buf *circ, unsigned long flag) in __acpi_aml_readable() argument
100 if (!(acpi_aml_io.flags & flag) && circ_count(circ)) in __acpi_aml_readable()
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/Linux-v4.19/drivers/gpu/drm/msm/
Dmsm_rd.c78 #define circ_count(circ) \ argument
79 (CIRC_CNT((circ)->head, (circ)->tail, BUF_SZ))
80 #define circ_count_to_end(circ) \ argument
81 (CIRC_CNT_TO_END((circ)->head, (circ)->tail, BUF_SZ))
83 #define circ_space(circ) \ argument
84 (CIRC_SPACE((circ)->head, (circ)->tail, BUF_SZ))
85 #define circ_space_to_end(circ) \ argument
86 (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, BUF_SZ))
/Linux-v4.19/tools/power/acpi/tools/acpidbg/
Dacpidbg.c44 #define circ_count(circ) \ argument
45 (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
46 #define circ_count_to_end(circ) \ argument
47 (CIRC_CNT_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
48 #define circ_space(circ) \ argument
49 (CIRC_SPACE((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
50 #define circ_space_to_end(circ) \ argument
51 (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
/Linux-v4.19/include/linux/
Dserial_core.h430 #define uart_circ_empty(circ) ((circ)->head == (circ)->tail) argument
431 #define uart_circ_clear(circ) ((circ)->head = (circ)->tail = 0) argument
433 #define uart_circ_chars_pending(circ) \ argument
434 (CIRC_CNT((circ)->head, (circ)->tail, UART_XMIT_SIZE))
436 #define uart_circ_chars_free(circ) \ argument
437 (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE))
/Linux-v4.19/drivers/tty/serial/jsm/
Djsm_neo.c482 struct circ_buf *circ; in neo_copy_data_from_queue_to_uart() local
487 circ = &ch->uart_port.state->xmit; in neo_copy_data_from_queue_to_uart()
490 if (uart_circ_empty(circ)) in neo_copy_data_from_queue_to_uart()
506 writeb(circ->buf[circ->tail], &ch->ch_neo_uart->txrx); in neo_copy_data_from_queue_to_uart()
508 "Tx data: %x\n", circ->buf[circ->tail]); in neo_copy_data_from_queue_to_uart()
509 circ->tail = (circ->tail + 1) & (UART_XMIT_SIZE - 1); in neo_copy_data_from_queue_to_uart()
524 head = circ->head & (UART_XMIT_SIZE - 1); in neo_copy_data_from_queue_to_uart()
525 tail = circ->tail & (UART_XMIT_SIZE - 1); in neo_copy_data_from_queue_to_uart()
526 qlen = uart_circ_chars_pending(circ); in neo_copy_data_from_queue_to_uart()
539 memcpy_toio(&ch->ch_neo_uart->txrxburst, circ->buf + tail, s); in neo_copy_data_from_queue_to_uart()
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Djsm_cls.c455 struct circ_buf *circ; in cls_copy_data_from_queue_to_uart() local
460 circ = &ch->uart_port.state->xmit; in cls_copy_data_from_queue_to_uart()
463 if (uart_circ_empty(circ)) in cls_copy_data_from_queue_to_uart()
477 tail = circ->tail & (UART_XMIT_SIZE - 1); in cls_copy_data_from_queue_to_uart()
478 qlen = uart_circ_chars_pending(circ); in cls_copy_data_from_queue_to_uart()
484 writeb(circ->buf[tail], &ch->ch_cls_uart->txrx); in cls_copy_data_from_queue_to_uart()
492 circ->tail = tail & (UART_XMIT_SIZE - 1); in cls_copy_data_from_queue_to_uart()
497 if (uart_circ_empty(circ)) in cls_copy_data_from_queue_to_uart()
/Linux-v4.19/drivers/tty/serial/
Dserial_core.c538 struct circ_buf *circ; in uart_put_char() local
542 circ = &state->xmit; in uart_put_char()
543 if (!circ->buf) in uart_put_char()
547 if (port && uart_circ_chars_free(circ) != 0) { in uart_put_char()
548 circ->buf[circ->head] = c; in uart_put_char()
549 circ->head = (circ->head + 1) & (UART_XMIT_SIZE - 1); in uart_put_char()
566 struct circ_buf *circ; in uart_write() local
579 circ = &state->xmit; in uart_write()
580 if (!circ->buf) in uart_write()
585 c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE); in uart_write()
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