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Searched refs:wptr (Results 1 - 25 of 217) sorted by relevance

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/kernel/linux/linux-5.10/drivers/media/usb/pvrusb2/
H A Dpvrusb2-debugifc.c55 const char *wptr; in debugifc_isolate_word() local
60 wptr = NULL; in debugifc_isolate_word()
68 wptr = buf; in debugifc_isolate_word()
73 *wstrPtr = wptr; in debugifc_isolate_word()
182 const char *wptr; in pvr2_debugifc_do1cmd() local
186 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen); in pvr2_debugifc_do1cmd()
189 if (!wptr) return 0; in pvr2_debugifc_do1cmd()
191 pvr2_trace(PVR2_TRACE_DEBUGIFC,"debugifc cmd: \"%.*s\"",wlen,wptr); in pvr2_debugifc_do1cmd()
192 if (debugifc_match_keyword(wptr,wlen,"reset")) { in pvr2_debugifc_do1cmd()
193 scnt = debugifc_isolate_word(buf,count,&wptr, in pvr2_debugifc_do1cmd()
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/kernel/linux/linux-6.6/drivers/media/usb/pvrusb2/
H A Dpvrusb2-debugifc.c55 const char *wptr; in debugifc_isolate_word() local
60 wptr = NULL; in debugifc_isolate_word()
68 wptr = buf; in debugifc_isolate_word()
73 *wstrPtr = wptr; in debugifc_isolate_word()
182 const char *wptr; in pvr2_debugifc_do1cmd() local
186 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen); in pvr2_debugifc_do1cmd()
189 if (!wptr) return 0; in pvr2_debugifc_do1cmd()
191 pvr2_trace(PVR2_TRACE_DEBUGIFC,"debugifc cmd: \"%.*s\"",wlen,wptr); in pvr2_debugifc_do1cmd()
192 if (debugifc_match_keyword(wptr,wlen,"reset")) { in pvr2_debugifc_do1cmd()
193 scnt = debugifc_isolate_word(buf,count,&wptr, in pvr2_debugifc_do1cmd()
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/kernel/linux/linux-6.6/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_ih.c61 /* add 8 bytes for the rptr/wptr shadows and in amdgpu_ih_ring_init()
124 /* add 8 bytes for the rptr/wptr shadows and in amdgpu_ih_ring_fini()
146 * Writes an IV to the ring buffer using the CPU and increment the wptr.
152 uint32_t wptr = le32_to_cpu(*ih->wptr_cpu) >> 2; in amdgpu_ih_ring_write() local
156 ih->ring[wptr++] = cpu_to_le32(iv[i]); in amdgpu_ih_ring_write()
158 wptr <<= 2; in amdgpu_ih_ring_write()
159 wptr &= ih->ptr_mask; in amdgpu_ih_ring_write()
161 /* Only commit the new wptr if we don't overflow */ in amdgpu_ih_ring_write()
162 if (wptr != READ_ONCE(ih->rptr)) { in amdgpu_ih_ring_write()
164 WRITE_ONCE(*ih->wptr_cpu, cpu_to_le32(wptr)); in amdgpu_ih_ring_write()
211 u32 wptr; amdgpu_ih_process() local
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H A Diceland_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
88 /* set rptr, wptr to 0 */ in iceland_ih_disable_interrupts()
143 /* set rptr, wptr to 0 */ in iceland_ih_irq_init()
179 * iceland_ih_get_wptr - get the IH ring buffer wptr
182 * @ih: IH ring buffer to fetch wptr
184 * Get the IH ring buffer wptr from either the register
188 * Returns the value of the wptr.
193 u32 wptr, tmp; in iceland_ih_get_wptr() local
195 wptr in iceland_ih_get_wptr()
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H A Dcz_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
88 /* set rptr, wptr to 0 */ in cz_ih_disable_interrupts()
143 /* set rptr, wptr to 0 */ in cz_ih_irq_init()
179 * cz_ih_get_wptr - get the IH ring buffer wptr
182 * @ih: IH ring buffer to fetch wptr
184 * Get the IH ring buffer wptr from either the register
188 * Returns the value of the wptr.
193 u32 wptr, tmp; in cz_ih_get_wptr() local
195 wptr in cz_ih_get_wptr()
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H A Dtonga_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
84 /* set rptr, wptr to 0 */ in tonga_ih_disable_interrupts()
141 /* set rptr, wptr to 0 */ in tonga_ih_irq_init()
181 * tonga_ih_get_wptr - get the IH ring buffer wptr
184 * @ih: IH ring buffer to fetch wptr
186 * Get the IH ring buffer wptr from either the register
190 * Returns the value of the wptr.
195 u32 wptr, tmp; in tonga_ih_get_wptr() local
197 wptr in tonga_ih_get_wptr()
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H A Dcik_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
88 /* set rptr, wptr to 0 */ in cik_ih_disable_interrupts()
141 /* set rptr, wptr to 0 */ in cik_ih_irq_init()
177 * cik_ih_get_wptr - get the IH ring buffer wptr
180 * @ih: IH ring buffer to fetch wptr
182 * Get the IH ring buffer wptr from either the register
186 * Returns the value of the wptr.
191 u32 wptr, tmp; in cik_ih_get_wptr() local
193 wptr in cik_ih_get_wptr()
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H A Dsi_ih.c110 u32 wptr, tmp; in si_ih_get_wptr() local
112 wptr = le32_to_cpu(*ih->wptr_cpu); in si_ih_get_wptr()
114 if (wptr & IH_RB_WPTR__RB_OVERFLOW_MASK) { in si_ih_get_wptr()
115 wptr &= ~IH_RB_WPTR__RB_OVERFLOW_MASK; in si_ih_get_wptr()
117 wptr, ih->rptr, (wptr + 16) & ih->ptr_mask); in si_ih_get_wptr()
118 ih->rptr = (wptr + 16) & ih->ptr_mask; in si_ih_get_wptr()
129 return (wptr & ih->ptr_mask); in si_ih_get_wptr()
/kernel/linux/linux-6.6/drivers/media/platform/amphion/
H A Dvpu_rpc.c39 ptr1 = desc->wptr; in vpu_rpc_check_buffer_space()
43 ptr2 = desc->wptr; in vpu_rpc_check_buffer_space()
61 u32 wptr; in vpu_rpc_send_cmd_buf() local
70 wptr = desc->wptr; in vpu_rpc_send_cmd_buf()
71 data = (u32 *)(shared->cmd_mem_vir + desc->wptr - desc->start); in vpu_rpc_send_cmd_buf()
76 wptr += 4; in vpu_rpc_send_cmd_buf()
78 if (wptr >= desc->end) { in vpu_rpc_send_cmd_buf()
79 wptr = desc->start; in vpu_rpc_send_cmd_buf()
85 wptr in vpu_rpc_send_cmd_buf()
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H A Dvpu_malone.c187 u32 wptr; member
318 u32 wptr; member
375 iface->cmd_buffer_desc.buffer.wptr = phy_addr; in vpu_malone_init_rpc()
383 iface->msg_buffer_desc.buffer.wptr = in vpu_malone_init_rpc()
427 iface->eng_access_buff_desc[i].buffer.wptr = in vpu_malone_init_rpc()
450 iface->debug_buffer_desc.buffer.wptr = in vpu_malone_set_log_buf()
502 writel(buf->phys, &str_buf->wptr); in vpu_malone_config_stream_buffer()
519 desc->wptr = readl(&str_buf->wptr); in vpu_malone_get_stream_buffer_desc()
528 static void vpu_malone_update_wptr(struct vpu_malone_str_buffer __iomem *str_buf, u32 wptr) in vpu_malone_update_wptr() argument
1057 u32 wptr; vpu_malone_add_padding_scode() local
1533 u32 wptr = readl(&str_buf->wptr); vpu_malone_input_frame_data() local
1587 u32 wptr = readl(&str_buf->wptr); vpu_malone_input_stream_data() local
1659 u32 wptr = desc->wptr; vpu_malone_check_ready() local
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H A Dvpu_helpers.c271 u32 *wptr, u32 size, void *src) in vpu_helper_copy_to_stream_buffer()
278 if (!stream_buffer || !wptr || !src) in vpu_helper_copy_to_stream_buffer()
284 offset = *wptr; in vpu_helper_copy_to_stream_buffer()
298 *wptr = vpu_helper_step_walk(stream_buffer, offset, size); in vpu_helper_copy_to_stream_buffer()
304 u32 *wptr, u8 val, u32 size) in vpu_helper_memset_stream_buffer()
311 if (!stream_buffer || !wptr) in vpu_helper_memset_stream_buffer()
317 offset = *wptr; in vpu_helper_memset_stream_buffer()
335 *wptr = offset; in vpu_helper_memset_stream_buffer()
347 if (desc.rptr > desc.wptr) in vpu_helper_get_free_space()
348 return desc.rptr - desc.wptr; in vpu_helper_get_free_space()
270 vpu_helper_copy_to_stream_buffer(struct vpu_buffer *stream_buffer, u32 *wptr, u32 size, void *src) vpu_helper_copy_to_stream_buffer() argument
303 vpu_helper_memset_stream_buffer(struct vpu_buffer *stream_buffer, u32 *wptr, u8 val, u32 size) vpu_helper_memset_stream_buffer() argument
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/kernel/linux/linux-5.10/drivers/net/ppp/
H A Dbsd_comp.c580 unsigned char *wptr; in bsd_compress() local
586 if (wptr) \ in bsd_compress()
588 *wptr++ = (unsigned char) (v); \ in bsd_compress()
591 wptr = NULL; \ in bsd_compress()
630 wptr = obuf; in bsd_compress()
639 if (wptr) in bsd_compress()
641 *wptr++ = PPP_ADDRESS(rptr); in bsd_compress()
642 *wptr++ = PPP_CONTROL(rptr); in bsd_compress()
643 *wptr++ = 0; in bsd_compress()
644 *wptr in bsd_compress()
843 unsigned char *wptr; bsd_decompress() local
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/kernel/linux/linux-6.6/drivers/net/ppp/
H A Dbsd_comp.c580 unsigned char *wptr; in bsd_compress() local
586 if (wptr) \ in bsd_compress()
588 *wptr++ = (unsigned char) (v); \ in bsd_compress()
591 wptr = NULL; \ in bsd_compress()
630 wptr = obuf; in bsd_compress()
639 if (wptr) in bsd_compress()
641 *wptr++ = PPP_ADDRESS(rptr); in bsd_compress()
642 *wptr++ = PPP_CONTROL(rptr); in bsd_compress()
643 *wptr++ = 0; in bsd_compress()
644 *wptr in bsd_compress()
843 unsigned char *wptr; bsd_decompress() local
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/kernel/linux/linux-5.10/drivers/gpu/drm/amd/amdgpu/
H A Diceland_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
88 /* set rptr, wptr to 0 */ in iceland_ih_disable_interrupts()
143 /* set rptr, wptr to 0 */ in iceland_ih_irq_init()
179 * iceland_ih_get_wptr - get the IH ring buffer wptr
183 * Get the IH ring buffer wptr from either the register
187 * Returns the value of the wptr.
192 u32 wptr, tmp; in iceland_ih_get_wptr() local
194 wptr = le32_to_cpu(*ih->wptr_cpu); in iceland_ih_get_wptr()
196 if (!REG_GET_FIELD(wptr, IH_RB_WPT in iceland_ih_get_wptr()
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H A Dcz_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
88 /* set rptr, wptr to 0 */ in cz_ih_disable_interrupts()
143 /* set rptr, wptr to 0 */ in cz_ih_irq_init()
179 * cz_ih_get_wptr - get the IH ring buffer wptr
183 * Get the IH ring buffer wptr from either the register
187 * Returns the value of the wptr.
192 u32 wptr, tmp; in cz_ih_get_wptr() local
194 wptr = le32_to_cpu(*ih->wptr_cpu); in cz_ih_get_wptr()
196 if (!REG_GET_FIELD(wptr, IH_RB_WPT in cz_ih_get_wptr()
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H A Dtonga_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
84 /* set rptr, wptr to 0 */ in tonga_ih_disable_interrupts()
141 /* set rptr, wptr to 0 */ in tonga_ih_irq_init()
181 * tonga_ih_get_wptr - get the IH ring buffer wptr
185 * Get the IH ring buffer wptr from either the register
189 * Returns the value of the wptr.
194 u32 wptr, tmp; in tonga_ih_get_wptr() local
196 wptr = le32_to_cpu(*ih->wptr_cpu); in tonga_ih_get_wptr()
198 if (!REG_GET_FIELD(wptr, IH_RB_WPT in tonga_ih_get_wptr()
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H A Damdgpu_ih.c61 /* add 8 bytes for the rptr/wptr shadows and in amdgpu_ih_ring_init()
120 /* add 8 bytes for the rptr/wptr shadows and in amdgpu_ih_ring_fini()
146 u32 wptr; in amdgpu_ih_process() local
151 wptr = amdgpu_ih_get_wptr(adev, ih); in amdgpu_ih_process()
158 DRM_DEBUG("%s: rptr %d, wptr %d\n", __func__, ih->rptr, wptr); in amdgpu_ih_process()
160 /* Order reading of wptr vs. reading of IH ring data */ in amdgpu_ih_process()
163 while (ih->rptr != wptr && --count) { in amdgpu_ih_process()
171 /* make sure wptr hasn't changed while processing */ in amdgpu_ih_process()
172 wptr in amdgpu_ih_process()
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H A Dcik_ih.c42 * host is currently reading, and a wptr (write pointer)
46 * wptr. When there is an interrupt, the host then starts
88 /* set rptr, wptr to 0 */ in cik_ih_disable_interrupts()
141 /* set rptr, wptr to 0 */ in cik_ih_irq_init()
177 * cik_ih_get_wptr - get the IH ring buffer wptr
181 * Get the IH ring buffer wptr from either the register
185 * Returns the value of the wptr.
190 u32 wptr, tmp; in cik_ih_get_wptr() local
192 wptr = le32_to_cpu(*ih->wptr_cpu); in cik_ih_get_wptr()
194 if (wptr in cik_ih_get_wptr()
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H A Dsi_ih.c110 u32 wptr, tmp; in si_ih_get_wptr() local
112 wptr = le32_to_cpu(*ih->wptr_cpu); in si_ih_get_wptr()
114 if (wptr & IH_RB_WPTR__RB_OVERFLOW_MASK) { in si_ih_get_wptr()
115 wptr &= ~IH_RB_WPTR__RB_OVERFLOW_MASK; in si_ih_get_wptr()
117 wptr, ih->rptr, (wptr + 16) & ih->ptr_mask); in si_ih_get_wptr()
118 ih->rptr = (wptr + 16) & ih->ptr_mask; in si_ih_get_wptr()
123 return (wptr & ih->ptr_mask); in si_ih_get_wptr()
/kernel/linux/linux-6.6/drivers/gpu/drm/radeon/
H A Dradeon_ring.c41 * GPU is currently reading, and a wptr (write pointer)
45 * wptr. The GPU then starts fetching commands and executes
87 ring->ring_free_dw -= ring->wptr; in radeon_ring_free_size()
128 ring->wptr_old = ring->wptr; in radeon_ring_alloc()
164 * Update the wptr (write pointer) to tell the GPU to
176 while (ring->wptr & ring->align_mask) { in radeon_ring_commit()
206 * radeon_ring_undo - reset the wptr
210 * Reset the driver's copy of the wptr (all asics).
214 ring->wptr = ring->wptr_old; in radeon_ring_undo()
218 * radeon_ring_unlock_undo - reset the wptr an
470 uint32_t rptr, wptr, rptr_next; radeon_debugfs_ring_info_show() local
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/kernel/linux/linux-5.10/drivers/net/ethernet/tehuti/
H A Dtehuti.c171 f->wptr = 0; in bdx_fifo_init()
1107 rxfd = (struct rxf_desc *)(f->m.va + f->m.wptr); in bdx_rx_alloc_skbs()
1115 f->m.wptr += sizeof(struct rxf_desc); in bdx_rx_alloc_skbs()
1116 delta = f->m.wptr - f->m.memsz; in bdx_rx_alloc_skbs()
1118 f->m.wptr = delta; in bdx_rx_alloc_skbs()
1126 /*TBD: to do - delayed rxf wptr like in txd */ in bdx_rx_alloc_skbs()
1127 WRITE_REG(priv, f->m.reg_WPTR, f->m.wptr & TXF_WPTR_WR_PTR); in bdx_rx_alloc_skbs()
1162 rxfd = (struct rxf_desc *)(f->m.va + f->m.wptr); in bdx_recycle_skb()
1170 f->m.wptr += sizeof(struct rxf_desc); in bdx_recycle_skb()
1171 delta = f->m.wptr in bdx_recycle_skb()
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/kernel/linux/linux-6.6/drivers/net/ethernet/tehuti/
H A Dtehuti.c171 f->wptr = 0; in bdx_fifo_init()
1101 rxfd = (struct rxf_desc *)(f->m.va + f->m.wptr); in bdx_rx_alloc_skbs()
1109 f->m.wptr += sizeof(struct rxf_desc); in bdx_rx_alloc_skbs()
1110 delta = f->m.wptr - f->m.memsz; in bdx_rx_alloc_skbs()
1112 f->m.wptr = delta; in bdx_rx_alloc_skbs()
1120 /*TBD: to do - delayed rxf wptr like in txd */ in bdx_rx_alloc_skbs()
1121 WRITE_REG(priv, f->m.reg_WPTR, f->m.wptr & TXF_WPTR_WR_PTR); in bdx_rx_alloc_skbs()
1156 rxfd = (struct rxf_desc *)(f->m.va + f->m.wptr); in bdx_recycle_skb()
1164 f->m.wptr += sizeof(struct rxf_desc); in bdx_recycle_skb()
1165 delta = f->m.wptr in bdx_recycle_skb()
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/kernel/linux/linux-5.10/drivers/crypto/ccp/
H A Dtee-dev.c124 tee->rb_mgr.wptr = 0; in tee_init_ring()
259 (tee->rb_mgr.ring_start + tee->rb_mgr.wptr); in tee_submit_cmd()
266 if (!(tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr || in tee_submit_cmd()
270 dev_dbg(tee->dev, "tee: ring buffer full. rptr = %u wptr = %u\n", in tee_submit_cmd()
271 rptr, tee->rb_mgr.wptr); in tee_submit_cmd()
281 (tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr || in tee_submit_cmd()
283 dev_err(tee->dev, "tee: ring buffer full. rptr = %u wptr = %u response flag %u\n", in tee_submit_cmd()
284 rptr, tee->rb_mgr.wptr, cmd->flag); in tee_submit_cmd()
307 tee->rb_mgr.wptr += sizeof(struct tee_ring_cmd); in tee_submit_cmd()
308 if (tee->rb_mgr.wptr > in tee_submit_cmd()
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/kernel/linux/linux-6.6/drivers/crypto/ccp/
H A Dtee-dev.c125 tee->rb_mgr.wptr = 0; in tee_init_ring()
260 (tee->rb_mgr.ring_start + tee->rb_mgr.wptr); in tee_submit_cmd()
267 if (!(tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr || in tee_submit_cmd()
271 dev_dbg(tee->dev, "tee: ring buffer full. rptr = %u wptr = %u\n", in tee_submit_cmd()
272 rptr, tee->rb_mgr.wptr); in tee_submit_cmd()
282 (tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr || in tee_submit_cmd()
284 dev_err(tee->dev, "tee: ring buffer full. rptr = %u wptr = %u response flag %u\n", in tee_submit_cmd()
285 rptr, tee->rb_mgr.wptr, cmd->flag); in tee_submit_cmd()
308 tee->rb_mgr.wptr += sizeof(struct tee_ring_cmd); in tee_submit_cmd()
309 if (tee->rb_mgr.wptr > in tee_submit_cmd()
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/kernel/linux/linux-5.10/drivers/gpu/drm/amd/amdkfd/
H A Dkfd_kernel_queue.c233 uint32_t wptr, rptr; in kq_acquire_packet_buffer() local
237 /* When rptr == wptr, the buffer is empty. in kq_acquire_packet_buffer()
238 * When rptr == wptr + 1, the buffer is full. in kq_acquire_packet_buffer()
239 * It is always rptr that advances to the position of wptr, rather than in kq_acquire_packet_buffer()
243 wptr = kq->pending_wptr; in kq_acquire_packet_buffer()
249 pr_debug("wptr: %d\n", wptr); in kq_acquire_packet_buffer()
252 available_size = (rptr + queue_size_dwords - 1 - wptr) % in kq_acquire_packet_buffer()
263 if (wptr + packet_size_in_dwords >= queue_size_dwords) { in kq_acquire_packet_buffer()
271 while (wptr > in kq_acquire_packet_buffer()
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