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Searched refs:read_ptr (Results 1 – 25 of 42) sorted by relevance

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/linux/sound/usb/usx2y/
H A Dus144mkii_capture.c178 size_t write_ptr, read_ptr, available_data; in tascam_capture_work_handler() local
183 read_ptr = tascam->capture_ring_buffer_read_ptr; in tascam_capture_work_handler()
184 available_data = (write_ptr >= read_ptr) ? in tascam_capture_work_handler()
185 (write_ptr - read_ptr) : in tascam_capture_work_handler()
187 read_ptr + write_ptr); in tascam_capture_work_handler()
193 CAPTURE_RING_BUFFER_SIZE - read_ptr; in tascam_capture_work_handler()
198 read_ptr, in tascam_capture_work_handler()
203 read_ptr, in tascam_capture_work_handler()
211 (read_ptr + in tascam_capture_work_handler()
/linux/sound/soc/sof/
H A Dipc4-mtrace.c174 u32 log_buffer_offset, log_buffer_size, read_ptr, write_ptr; in sof_wait_mtrace_avail()
206 read_ptr = core_data->host_read_ptr; in sof_ipc4_mtrace_dfs_read()
209 if (read_ptr < write_ptr) in sof_ipc4_mtrace_dfs_read()
210 avail = write_ptr - read_ptr; in sof_ipc4_mtrace_dfs_read()
212 avail = log_buffer_size - read_ptr + write_ptr; in sof_ipc4_mtrace_dfs_read()
227 core_data->id, read_ptr, write_ptr, avail); in sof_ipc4_mtrace_dfs_read()
229 if (read_ptr < write_ptr) { in sof_ipc4_mtrace_dfs_read()
231 sof_mailbox_read(sdev, log_buffer_offset + read_ptr, log_buffer, avail); in sof_ipc4_mtrace_dfs_read()
234 sof_mailbox_read(sdev, log_buffer_offset + read_ptr, log_buffer, in sof_ipc4_mtrace_dfs_read()
254 read_ptr in sof_ipc4_mtrace_dfs_read()
180 u32 log_buffer_offset, log_buffer_size, read_ptr, write_ptr; sof_ipc4_mtrace_dfs_read() local
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/linux/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/
H A Dtx.c344 int read_ptr) in iwl_txq_free_tfd() argument
349 int idx = iwl_txq_get_cmd_index(txq, read_ptr); in iwl_txq_free_tfd()
362 iwl_txq_get_tfd(trans, txq, read_ptr)); in iwl_txq_free_tfd()
365 txq, read_ptr); in iwl_txq_free_tfd()
395 while (txq->write_ptr != txq->read_ptr) { in iwl_pcie_txq_unmap()
397 txq_id, txq->read_ptr); in iwl_pcie_txq_unmap()
400 struct sk_buff *skb = txq->entries[txq->read_ptr].skb; in iwl_pcie_txq_unmap()
402 &txq->entries[txq->read_ptr].meta; in iwl_pcie_txq_unmap()
409 iwl_txq_free_tfd(trans, txq, txq->read_ptr); in iwl_pcie_txq_unmap()
410 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_pcie_txq_unmap()
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H A Dtx-gen2.c547 used = (q->write_ptr - q->read_ptr) & in iwl_txq_space()
678 int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr); in iwl_txq_gen2_free_tfd()
799 if (txq->read_ptr == txq->write_ptr && txq->wd_timeout) in iwl_txq_gen2_tx()
825 while (txq->write_ptr != txq->read_ptr) { in iwl_txq_gen2_unmap()
827 txq_id, txq->read_ptr); in iwl_txq_gen2_unmap()
830 int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr); in iwl_txq_gen2_unmap()
838 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_txq_gen2_unmap()
1007 txq->read_ptr = wr_ptr; in iwl_pcie_txq_alloc_response()
1421 if (txq->read_ptr == txq->write_ptr && txq->wd_timeout) in iwl_pcie_gen2_enqueue_hcmd()
/linux/drivers/net/wireless/morsemicro/mm81x/
H A Dyaps_hw.c448 char *read_ptr = from_chip_buffer_aligned; in mm81x_yaps_hw_read_pkts() local
489 delim = le32_to_cpu(*((__le32 *)read_ptr)); in mm81x_yaps_hw_read_pkts()
490 read_ptr += sizeof(delim); in mm81x_yaps_hw_read_pkts()
525 memcpy(pkts[i].skb->data, read_ptr, pkt_size); in mm81x_yaps_hw_read_pkts()
526 read_ptr += total_len; in mm81x_yaps_hw_read_pkts()
533 memcpy(pkts[i].skb->data, read_ptr, bytes_remaining); in mm81x_yaps_hw_read_pkts()
534 read_ptr = from_chip_buffer_aligned; in mm81x_yaps_hw_read_pkts()
539 yaps->aux_data->ysl_addr + 4, read_ptr, in mm81x_yaps_hw_read_pkts()
545 memcpy(pkts[i].skb->data + bytes_remaining, read_ptr, in mm81x_yaps_hw_read_pkts()
547 read_ptr += read_overhang_len; in mm81x_yaps_hw_read_pkts()
/linux/drivers/net/ethernet/sfc/siena/
H A Dtx_common.c203 unsigned int stop_index, read_ptr; in efx_dequeue_buffers() local
206 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
208 while (read_ptr != stop_index) { in efx_dequeue_buffers()
209 struct efx_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in efx_dequeue_buffers()
214 tx_queue->queue, read_ptr); in efx_dequeue_buffers()
222 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
H A Dselftest.c182 unsigned int read_ptr[EFX_MAX_CHANNELS]; in efx_test_eventq_irq() local
189 read_ptr[channel->channel] = channel->eventq_read_ptr; in efx_test_eventq_irq()
207 read_ptr[channel->channel]) { in efx_test_eventq_irq()
/linux/drivers/net/ethernet/sfc/
H A Dtx_common.c230 unsigned int stop_index, read_ptr; in efx_dequeue_buffers() local
233 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
235 while (read_ptr != stop_index) { in efx_dequeue_buffers()
236 struct efx_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in efx_dequeue_buffers()
241 tx_queue->queue, read_ptr); in efx_dequeue_buffers()
250 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
H A Def100_nic.c263 unsigned int read_ptr; in ef100_ev_process() local
276 read_ptr = channel->eventq_read_ptr; in ef100_ev_process()
280 p_event = efx_event(channel, read_ptr); in ef100_ev_process()
316 ++read_ptr; in ef100_ev_process()
317 if ((read_ptr & channel->eventq_mask) == 0) in ef100_ev_process()
321 channel->eventq_read_ptr = read_ptr; in ef100_ev_process()
H A Dselftest.c181 unsigned int read_ptr[EFX_MAX_CHANNELS]; in efx_test_eventq_irq() local
188 read_ptr[channel->channel] = channel->eventq_read_ptr; in efx_test_eventq_irq()
206 read_ptr[channel->channel]) { in efx_test_eventq_irq()
/linux/drivers/hwtracing/coresight/
H A Dcoresight-tmc-etf.c482 u64 read_ptr, write_ptr; in tmc_update_etf_buffer() local
506 read_ptr = tmc_read_rrp(drvdata); in tmc_update_etf_buffer()
518 to_read = CIRC_CNT(write_ptr, read_ptr, drvdata->size); in tmc_update_etf_buffer()
537 read_ptr = (write_ptr + drvdata->size) - to_read; in tmc_update_etf_buffer()
539 if (read_ptr > (drvdata->size - 1)) in tmc_update_etf_buffer()
540 read_ptr -= drvdata->size; in tmc_update_etf_buffer()
542 tmc_write_rrp(drvdata, read_ptr); in tmc_update_etf_buffer()
/linux/drivers/comedi/
H A Dcomedi_buf.c601 unsigned int read_ptr = async->buf_read_ptr; in comedi_buf_memcpy_from() local
608 unsigned int page = read_ptr >> PAGE_SHIFT; in comedi_buf_memcpy_from()
609 unsigned int offset = offset_in_page(read_ptr); in comedi_buf_memcpy_from()
616 read_ptr += block_size; in comedi_buf_memcpy_from()
617 if (read_ptr == async->prealloc_bufsz) in comedi_buf_memcpy_from()
618 read_ptr = 0; in comedi_buf_memcpy_from()
/linux/drivers/net/ethernet/sfc/falcon/
H A Dtx.c353 unsigned int stop_index, read_ptr; in ef4_dequeue_buffers() local
356 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in ef4_dequeue_buffers()
358 while (read_ptr != stop_index) { in ef4_dequeue_buffers()
359 struct ef4_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in ef4_dequeue_buffers()
365 tx_queue->queue, read_ptr); in ef4_dequeue_buffers()
373 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in ef4_dequeue_buffers()
H A Dselftest.c181 unsigned int read_ptr[EF4_MAX_CHANNELS]; in ef4_test_eventq_irq() local
188 read_ptr[channel->channel] = channel->eventq_read_ptr; in ef4_test_eventq_irq()
206 read_ptr[channel->channel]) { in ef4_test_eventq_irq()
/linux/tools/testing/selftests/mm/
H A Dprotection_keys.c54 noinline int read_ptr(int *ptr)
843 ptr_contents = read_ptr(ptr); in expected_pkey_fault()
854 ptr_contents = read_ptr(ptr); in expected_pkey_fault()
866 ptr_contents = read_ptr(ptr); in __save_test_fd()
871 ptr_contents = read_ptr(ptr);
1249 peek_result = read_ptr(ptr); in test_pkey_init_state()
1259 peek_result = read_ptr(plain_ptr); in test_pkey_init_state()
1303 ptr_contents = read_ptr(p1); in test_ptrace_of_child()
1337 ptr_contents = read_ptr(p1); in test_ptrace_of_child()
1370 ptr_contents = read_ptr(p in test_ptrace_of_child()
57 noinline int read_ptr(int *ptr) read_ptr() function
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H A Dpkey-helpers.h97 noinline int read_ptr(int *ptr);
/linux/drivers/gpu/drm/amd/amdkfd/
H A Dkfd_mqd_manager_vi.c192 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in __update_mqd()
193 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in __update_mqd()
387 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
388 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
H A Dkfd_mqd_manager_v12.c199 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd()
200 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd()
340 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
341 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
H A Dkfd_mqd_manager_v10.c186 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd()
187 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd()
390 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
391 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
H A Dkfd_mqd_manager_v11.c224 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd()
225 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd()
466 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
467 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
H A Dkfd_mqd_manager_v12_1.c277 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd()
278 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd()
415 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
416 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
/linux/drivers/net/wireless/intel/iwlegacy/
H A D3945.c280 for (idx = il_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx; in il3945_tx_queue_reclaim()
281 q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) { in il3945_tx_queue_reclaim()
283 skb = txq->skbs[txq->q.read_ptr]; in il3945_tx_queue_reclaim()
285 txq->skbs[txq->q.read_ptr] = NULL; in il3945_tx_queue_reclaim()
314 txq->q.n_bd, txq->q.write_ptr, txq->q.read_ptr); in il3945_hdl_tx()
332 info = IEEE80211_SKB_CB(txq->skbs[txq->q.read_ptr]); in il3945_hdl_tx()
639 int idx = txq->q.read_ptr; in il3945_hw_txq_free_tfd()
668 struct sk_buff *skb = txq->skbs[txq->q.read_ptr]; in il3945_hw_txq_free_tfd()
673 txq->skbs[txq->q.read_ptr] = NULL; in il3945_hw_txq_free_tfd()
H A Dcommon.c2758 while (q->write_ptr != q->read_ptr) { in il_tx_queue_unmap()
2760 q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd); in il_tx_queue_unmap()
2821 while (q->read_ptr != q->write_ptr) { in il_cmd_queue_unmap()
2822 i = il_get_cmd_idx(q, q->read_ptr, 0); in il_cmd_queue_unmap()
2832 q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd); in il_cmd_queue_unmap()
2910 int s = q->read_ptr - q->write_ptr; in il_queue_space()
2912 if (q->read_ptr > q->write_ptr) in il_queue_space()
2955 q->write_ptr = q->read_ptr = 0; in il_queue_init()
3256 q->write_ptr, q->read_ptr); in il_hcmd_queue_reclaim()
3260 for (idx = il_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx; in il_hcmd_queue_reclaim()
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/linux/drivers/gpu/drm/i915/gvt/
H A Dexeclist.h90 u32 read_ptr :3; member
/linux/drivers/media/usb/pvrusb2/
H A Dpvrusb2-hdw.h235 void *read_ptr,unsigned int read_len);

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