| /Linux-v4.19/drivers/staging/fwserial/ |
| D | dma_fifo.c | 21 #define FAIL(fifo, condition, format...) ({ \ argument
22 fifo->corrupt = !!(condition); \
23 WARN(fifo->corrupt, format); \
38 void dma_fifo_init(struct dma_fifo *fifo) in dma_fifo_init() argument
40 memset(fifo, 0, sizeof(*fifo)); in dma_fifo_init()
41 INIT_LIST_HEAD(&fifo->pending); in dma_fifo_init()
58 int dma_fifo_alloc(struct dma_fifo *fifo, int size, unsigned int align, in dma_fifo_alloc() argument
68 fifo->data = kmalloc(capacity, gfp_mask); in dma_fifo_alloc()
69 if (!fifo->data) in dma_fifo_alloc()
72 fifo->in = 0; in dma_fifo_alloc()
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| D | dma_fifo.h | 75 void dma_fifo_init(struct dma_fifo *fifo);
76 int dma_fifo_alloc(struct dma_fifo *fifo, int size, unsigned int align,
78 void dma_fifo_free(struct dma_fifo *fifo);
79 void dma_fifo_reset(struct dma_fifo *fifo);
80 int dma_fifo_in(struct dma_fifo *fifo, const void *src, int n);
81 int dma_fifo_out_pend(struct dma_fifo *fifo, struct dma_pending *pended);
82 int dma_fifo_out_complete(struct dma_fifo *fifo,
86 static inline int dma_fifo_level(struct dma_fifo *fifo) in dma_fifo_level() argument
88 return fifo->size - fifo->avail; in dma_fifo_level()
92 static inline int dma_fifo_out_level(struct dma_fifo *fifo) in dma_fifo_out_level() argument
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| /Linux-v4.19/lib/ |
| D | kfifo.c | 33 static inline unsigned int kfifo_unused(struct __kfifo *fifo) in kfifo_unused() argument
35 return (fifo->mask + 1) - (fifo->in - fifo->out); in kfifo_unused()
38 int __kfifo_alloc(struct __kfifo *fifo, unsigned int size, in __kfifo_alloc() argument
47 fifo->in = 0; in __kfifo_alloc()
48 fifo->out = 0; in __kfifo_alloc()
49 fifo->esize = esize; in __kfifo_alloc()
52 fifo->data = NULL; in __kfifo_alloc()
53 fifo->mask = 0; in __kfifo_alloc()
57 fifo->data = kmalloc_array(esize, size, gfp_mask); in __kfifo_alloc()
59 if (!fifo->data) { in __kfifo_alloc()
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| /Linux-v4.19/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ |
| D | base.c | 37 nvkm_fifo_recover_chan(struct nvkm_fifo *fifo, int chid) in nvkm_fifo_recover_chan() argument
40 if (WARN_ON(!fifo->func->recover_chan)) in nvkm_fifo_recover_chan()
42 spin_lock_irqsave(&fifo->lock, flags); in nvkm_fifo_recover_chan()
43 fifo->func->recover_chan(fifo, chid); in nvkm_fifo_recover_chan()
44 spin_unlock_irqrestore(&fifo->lock, flags); in nvkm_fifo_recover_chan()
48 nvkm_fifo_pause(struct nvkm_fifo *fifo, unsigned long *flags) in nvkm_fifo_pause() argument
50 return fifo->func->pause(fifo, flags); in nvkm_fifo_pause()
54 nvkm_fifo_start(struct nvkm_fifo *fifo, unsigned long *flags) in nvkm_fifo_start() argument
56 return fifo->func->start(fifo, flags); in nvkm_fifo_start()
60 nvkm_fifo_fault(struct nvkm_fifo *fifo, struct nvkm_fault_data *info) in nvkm_fifo_fault() argument
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| D | gk104.c | 52 gk104_fifo_engine_status(struct gk104_fifo *fifo, int engn, in gk104_fifo_engine_status() argument
55 struct nvkm_engine *engine = fifo->engine[engn].engine; in gk104_fifo_engine_status()
56 struct nvkm_subdev *subdev = &fifo->base.engine.subdev; in gk104_fifo_engine_status()
102 struct gk104_fifo *fifo = gk104_fifo(base); in gk104_fifo_class_new() local
103 if (oclass->engn == &fifo->func->chan) { in gk104_fifo_class_new()
105 return user->ctor(fifo, oclass, argv, argc, pobject); in gk104_fifo_class_new()
107 if (oclass->engn == &fifo->func->user) { in gk104_fifo_class_new()
119 struct gk104_fifo *fifo = gk104_fifo(base); in gk104_fifo_class_get() local
122 if (fifo->func->user.ctor && c++ == index) { in gk104_fifo_class_get()
123 oclass->base = fifo->func->user.user; in gk104_fifo_class_get()
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| D | gf100.c | 36 gf100_fifo_uevent_init(struct nvkm_fifo *fifo) in gf100_fifo_uevent_init() argument
38 struct nvkm_device *device = fifo->engine.subdev.device; in gf100_fifo_uevent_init()
43 gf100_fifo_uevent_fini(struct nvkm_fifo *fifo) in gf100_fifo_uevent_fini() argument
45 struct nvkm_device *device = fifo->engine.subdev.device; in gf100_fifo_uevent_fini()
50 gf100_fifo_runlist_commit(struct gf100_fifo *fifo) in gf100_fifo_runlist_commit() argument
53 struct nvkm_subdev *subdev = &fifo->base.engine.subdev; in gf100_fifo_runlist_commit()
60 cur = fifo->runlist.mem[fifo->runlist.active]; in gf100_fifo_runlist_commit()
61 fifo->runlist.active = !fifo->runlist.active; in gf100_fifo_runlist_commit()
64 list_for_each_entry(chan, &fifo->chan, head) { in gf100_fifo_runlist_commit()
84 if (wait_event_timeout(fifo->runlist.wait, in gf100_fifo_runlist_commit()
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| D | Kbuild | 1 nvkm-y += nvkm/engine/fifo/base.o
2 nvkm-y += nvkm/engine/fifo/nv04.o
3 nvkm-y += nvkm/engine/fifo/nv10.o
4 nvkm-y += nvkm/engine/fifo/nv17.o
5 nvkm-y += nvkm/engine/fifo/nv40.o
6 nvkm-y += nvkm/engine/fifo/nv50.o
7 nvkm-y += nvkm/engine/fifo/g84.o
8 nvkm-y += nvkm/engine/fifo/gf100.o
9 nvkm-y += nvkm/engine/fifo/gk104.o
10 nvkm-y += nvkm/engine/fifo/gk110.o
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| D | nv50.c | 30 nv50_fifo_runlist_update_locked(struct nv50_fifo *fifo) in nv50_fifo_runlist_update_locked() argument
32 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv50_fifo_runlist_update_locked()
36 cur = fifo->runlist[fifo->cur_runlist]; in nv50_fifo_runlist_update_locked()
37 fifo->cur_runlist = !fifo->cur_runlist; in nv50_fifo_runlist_update_locked()
40 for (i = 0, p = 0; i < fifo->base.nr; i++) { in nv50_fifo_runlist_update_locked()
52 nv50_fifo_runlist_update(struct nv50_fifo *fifo) in nv50_fifo_runlist_update() argument
54 mutex_lock(&fifo->base.engine.subdev.mutex); in nv50_fifo_runlist_update()
55 nv50_fifo_runlist_update_locked(fifo); in nv50_fifo_runlist_update()
56 mutex_unlock(&fifo->base.engine.subdev.mutex); in nv50_fifo_runlist_update()
62 struct nv50_fifo *fifo = nv50_fifo(base); in nv50_fifo_oneinit() local
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| D | dmanv04.c | 39 struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem; in nv04_fifo_dma_object_dtor()
41 mutex_lock(&chan->fifo->base.engine.subdev.mutex); in nv04_fifo_dma_object_dtor()
43 mutex_unlock(&chan->fifo->base.engine.subdev.mutex); in nv04_fifo_dma_object_dtor()
51 struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem; in nv04_fifo_dma_object_ctor()
66 mutex_lock(&chan->fifo->base.engine.subdev.mutex); in nv04_fifo_dma_object_ctor()
69 mutex_unlock(&chan->fifo->base.engine.subdev.mutex); in nv04_fifo_dma_object_ctor()
77 struct nv04_fifo *fifo = chan->fifo; in nv04_fifo_dma_fini() local
78 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv04_fifo_dma_fini()
82 u32 mask = fifo->base.nr - 1; in nv04_fifo_dma_fini()
87 spin_lock_irqsave(&fifo->base.lock, flags); in nv04_fifo_dma_fini()
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| D | nv04.c | 49 __acquires(fifo->base.lock) in nv04_fifo_pause()
51 struct nv04_fifo *fifo = nv04_fifo(base); in nv04_fifo_pause() local
52 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv04_fifo_pause()
55 spin_lock_irqsave(&fifo->base.lock, flags); in nv04_fifo_pause()
85 __releases(fifo->base.lock) in nv04_fifo_start()
87 struct nv04_fifo *fifo = nv04_fifo(base); in nv04_fifo_start() local
88 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv04_fifo_start()
94 spin_unlock_irqrestore(&fifo->base.lock, flags); in nv04_fifo_start()
135 nv04_fifo_cache_error(struct nv04_fifo *fifo, u32 chid, u32 get) in nv04_fifo_cache_error() argument
137 struct nvkm_subdev *subdev = &fifo->base.engine.subdev; in nv04_fifo_cache_error()
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| D | gpfifogk104.c | 40 struct gk104_fifo *fifo = chan->fifo; in gk104_fifo_gpfifo_kick_locked() local
41 struct nvkm_subdev *subdev = &fifo->base.engine.subdev; in gk104_fifo_gpfifo_kick_locked()
58 nvkm_fifo_recover_chan(&fifo->base, chan->base.chid); in gk104_fifo_gpfifo_kick_locked()
68 mutex_lock(&chan->base.fifo->engine.subdev.mutex); in gk104_fifo_gpfifo_kick()
70 mutex_unlock(&chan->base.fifo->engine.subdev.mutex); in gk104_fifo_gpfifo_kick()
187 struct gk104_fifo *fifo = chan->fifo; in gk104_fifo_gpfifo_fini() local
188 struct nvkm_device *device = fifo->base.engine.subdev.device; in gk104_fifo_gpfifo_fini()
192 gk104_fifo_runlist_remove(fifo, chan); in gk104_fifo_gpfifo_fini()
195 gk104_fifo_runlist_commit(fifo, chan->runl); in gk104_fifo_gpfifo_fini()
205 struct gk104_fifo *fifo = chan->fifo; in gk104_fifo_gpfifo_init() local
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| D | gpfifogf100.c | 41 *pevent = &chan->fifo->uevent; in gf100_fifo_chan_ntfy()
44 *pevent = &chan->fifo->kevent; in gf100_fifo_chan_ntfy()
75 struct nvkm_subdev *subdev = &chan->fifo->base.engine.subdev; in gf100_fifo_gpfifo_engine_fini()
162 struct gf100_fifo *fifo = chan->fifo; in gf100_fifo_gpfifo_fini() local
163 struct nvkm_device *device = fifo->base.engine.subdev.device; in gf100_fifo_gpfifo_fini()
167 gf100_fifo_runlist_remove(fifo, chan); in gf100_fifo_gpfifo_fini()
169 gf100_fifo_runlist_commit(fifo); in gf100_fifo_gpfifo_fini()
172 gf100_fifo_intr_engine(fifo); in gf100_fifo_gpfifo_fini()
181 struct gf100_fifo *fifo = chan->fifo; in gf100_fifo_gpfifo_init() local
182 struct nvkm_device *device = fifo->base.engine.subdev.device; in gf100_fifo_gpfifo_init()
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| D | dmanv40.c | 63 struct nv04_fifo *fifo = chan->fifo; in nv40_fifo_dma_engine_fini() local
64 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv40_fifo_dma_engine_fini()
73 spin_lock_irqsave(&fifo->base.lock, flags); in nv40_fifo_dma_engine_fini()
76 chid = nvkm_rd32(device, 0x003204) & (fifo->base.nr - 1); in nv40_fifo_dma_engine_fini()
84 spin_unlock_irqrestore(&fifo->base.lock, flags); in nv40_fifo_dma_engine_fini()
93 struct nv04_fifo *fifo = chan->fifo; in nv40_fifo_dma_engine_init() local
94 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv40_fifo_dma_engine_init()
104 spin_lock_irqsave(&fifo->base.lock, flags); in nv40_fifo_dma_engine_init()
107 chid = nvkm_rd32(device, 0x003204) & (fifo->base.nr - 1); in nv40_fifo_dma_engine_init()
115 spin_unlock_irqrestore(&fifo->base.lock, flags); in nv40_fifo_dma_engine_init()
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| /Linux-v4.19/drivers/staging/axis-fifo/ |
| D | axis-fifo.c | 159 struct axis_fifo *fifo = dev_get_drvdata(dev); in sysfs_write() local
167 iowrite32(tmp, fifo->base_addr + addr_offset); in sysfs_write()
175 struct axis_fifo *fifo = dev_get_drvdata(dev); in sysfs_read() local
180 read_val = ioread32(fifo->base_addr + addr_offset); in sysfs_read()
330 static void reset_ip_core(struct axis_fifo *fifo) in reset_ip_core() argument
332 iowrite32(XLLF_SRR_RESET_MASK, fifo->base_addr + XLLF_SRR_OFFSET); in reset_ip_core()
333 iowrite32(XLLF_TDFR_RESET_MASK, fifo->base_addr + XLLF_TDFR_OFFSET); in reset_ip_core()
334 iowrite32(XLLF_RDFR_RESET_MASK, fifo->base_addr + XLLF_RDFR_OFFSET); in reset_ip_core()
338 fifo->base_addr + XLLF_IER_OFFSET); in reset_ip_core()
339 iowrite32(XLLF_INT_ALL_MASK, fifo->base_addr + XLLF_ISR_OFFSET); in reset_ip_core()
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| /Linux-v4.19/include/linux/ |
| D | kfifo.h | 116 #define __is_kfifo_ptr(fifo) \ argument
117 (sizeof(*fifo) == sizeof(STRUCT_KFIFO_PTR(typeof(*(fifo)->type))))
124 #define DECLARE_KFIFO_PTR(fifo, type) STRUCT_KFIFO_PTR(type) fifo argument
132 #define DECLARE_KFIFO(fifo, type, size) STRUCT_KFIFO(type, size) fifo argument
138 #define INIT_KFIFO(fifo) \ argument
140 typeof(&(fifo)) __tmp = &(fifo); \
157 #define DEFINE_KFIFO(fifo, type, size) \ argument
158 DECLARE_KFIFO(fifo, type, size) = \
159 (typeof(fifo)) { \
164 .mask = __is_kfifo_ptr(&(fifo)) ? \
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| /Linux-v4.19/drivers/usb/gadget/udc/ |
| D | fotg210.h | 49 #define DCFESR_FIFO_EMPTY(fifo) (1 << 8 << (fifo)) argument
76 #define DMISGR1_MF_IN_INT(fifo) (1 << (16 + (fifo))) argument
85 #define DMISGR1_MF_OUTSPK_INT(fifo) (0x3 << (fifo) * 2) argument
109 #define DISGR1_OUT_INT(fifo) (1 << ((fifo) * 2)) argument
110 #define DISGR1_SPK_INT(fifo) (1 << 1 << ((fifo) * 2)) argument
111 #define DISGR1_IN_INT(fifo) (1 << 16 << (fifo)) argument
165 #define FIFOMAP_DIROUT(fifo) (0x0 << 4 << (fifo) * 8) argument
166 #define FIFOMAP_DIRIN(fifo) (0x1 << 4 << (fifo) * 8) argument
167 #define FIFOMAP_BIDIR(fifo) (0x2 << 4 << (fifo) * 8) argument
168 #define FIFOMAP_NA(fifo) (0x3 << 4 << (fifo) * 8) argument
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| /Linux-v4.19/sound/soc/meson/ |
| D | axg-fifo.c | 67 static void __dma_enable(struct axg_fifo *fifo, bool enable) in __dma_enable() argument
69 regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_DMA_EN, in __dma_enable()
75 struct axg_fifo *fifo = axg_fifo_data(ss); in axg_fifo_pcm_trigger() local
81 __dma_enable(fifo, true); in axg_fifo_pcm_trigger()
86 __dma_enable(fifo, false); in axg_fifo_pcm_trigger()
97 struct axg_fifo *fifo = axg_fifo_data(ss); in axg_fifo_pcm_pointer() local
101 regmap_read(fifo->map, FIFO_STATUS2, &addr); in axg_fifo_pcm_pointer()
110 struct axg_fifo *fifo = axg_fifo_data(ss); in axg_fifo_pcm_hw_params() local
121 regmap_write(fifo->map, FIFO_START_ADDR, runtime->dma_addr); in axg_fifo_pcm_hw_params()
122 regmap_write(fifo->map, FIFO_FINISH_ADDR, end_ptr); in axg_fifo_pcm_hw_params()
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| /Linux-v4.19/drivers/usb/renesas_usbhs/ |
| D | fifo.c | 98 struct usbhs_fifo *fifo);
99 static struct dma_chan *usbhsf_dma_chan_get(struct usbhs_fifo *fifo,
107 struct usbhs_fifo *fifo = usbhs_pipe_to_fifo(pipe); in usbhs_pkt_pop() local
121 if (fifo) in usbhs_pkt_pop()
122 chan = usbhsf_dma_chan_get(fifo, pkt); in usbhs_pkt_pop()
133 if (fifo) in usbhs_pkt_pop()
134 usbhsf_fifo_unselect(pipe, fifo); in usbhs_pkt_pop()
248 struct usbhs_fifo *fifo) in usbhsf_send_terminator() argument
252 usbhs_bset(priv, fifo->ctr, BVAL, BVAL); in usbhsf_send_terminator()
256 struct usbhs_fifo *fifo) in usbhsf_fifo_barrier() argument
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| /Linux-v4.19/drivers/md/bcache/ |
| D | util.h | 124 #define fifo_for_each(c, fifo, iter) \ argument
125 for (iter = (fifo)->front; \
126 c = (fifo)->data[iter], iter != (fifo)->back; \
127 iter = (iter + 1) & (fifo)->mask)
129 #define __init_fifo(fifo, gfp) \ argument
132 BUG_ON(!(fifo)->size); \
134 _allocated_size = roundup_pow_of_two((fifo)->size + 1); \
135 _bytes = _allocated_size * sizeof(*(fifo)->data); \
137 (fifo)->mask = _allocated_size - 1; \
138 (fifo)->front = (fifo)->back = 0; \
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| /Linux-v4.19/drivers/isdn/hisax/ |
| D | hfc_usb.c | 209 static void collect_rx_frame(usb_fifo *fifo, __u8 *data, int len,
452 start_isoc_chain(usb_fifo *fifo, int num_packets_per_urb, in start_isoc_chain() argument
458 fifo->fifonum); in start_isoc_chain()
462 if (!(fifo->iso[i].purb)) { in start_isoc_chain()
463 fifo->iso[i].purb = in start_isoc_chain()
465 if (!(fifo->iso[i].purb)) { in start_isoc_chain()
468 fifo->fifonum); in start_isoc_chain()
470 fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo; in start_isoc_chain()
474 (fifo->usb_packet_maxlen * in start_isoc_chain()
476 fill_isoc_urb(fifo->iso[i].purb, in start_isoc_chain()
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| D | st5481.h | 239 struct fifo { struct
247 static inline void fifo_init(struct fifo *fifo, int size) in fifo_init() argument
249 fifo->r = fifo->w = fifo->count = 0; in fifo_init()
250 fifo->size = size; in fifo_init()
251 spin_lock_init(&fifo->lock); in fifo_init()
257 static inline int fifo_add(struct fifo *fifo) in fifo_add() argument
262 if (!fifo) { in fifo_add()
266 spin_lock_irqsave(&fifo->lock, flags); in fifo_add()
267 if (fifo->count == fifo->size) { in fifo_add()
272 index = fifo->w++ & (fifo->size - 1); in fifo_add()
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| /Linux-v4.19/samples/kfifo/ |
| D | dma-example.c | 21 static struct kfifo fifo; variable
32 if (kfifo_alloc(&fifo, FIFO_SIZE, GFP_KERNEL)) { in example_init()
37 printk(KERN_INFO "queue size: %u\n", kfifo_size(&fifo)); in example_init()
39 kfifo_in(&fifo, "test", 4); in example_init()
42 kfifo_put(&fifo, i); in example_init()
45 kfifo_skip(&fifo); in example_init()
47 printk(KERN_INFO "queue len: %u\n", kfifo_len(&fifo)); in example_init()
65 nents = kfifo_dma_in_prepare(&fifo, sg, ARRAY_SIZE(sg), FIFO_SIZE); in example_init()
92 kfifo_dma_in_finish(&fifo, ret); in example_init()
95 nents = kfifo_dma_out_prepare(&fifo, sg, ARRAY_SIZE(sg), 8); in example_init()
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| /Linux-v4.19/drivers/isdn/hardware/mISDN/ |
| D | hfcsusb.c | 813 hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, in hfcsusb_rx_frame() argument
816 struct hfcsusb *hw = fifo->hw; in hfcsusb_rx_frame()
819 int fifon = fifo->fifonum; in hfcsusb_rx_frame()
828 fifo->dch, fifo->bch, fifo->ech); in hfcsusb_rx_frame()
833 if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) { in hfcsusb_rx_frame()
840 if (fifo->dch) { in hfcsusb_rx_frame()
841 rx_skb = fifo->dch->rx_skb; in hfcsusb_rx_frame()
842 maxlen = fifo->dch->maxlen; in hfcsusb_rx_frame()
845 if (fifo->bch) { in hfcsusb_rx_frame()
846 if (test_bit(FLG_RX_OFF, &fifo->bch->Flags)) { in hfcsusb_rx_frame()
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| /Linux-v4.19/drivers/net/ethernet/intel/fm10k/ |
| D | fm10k_mbx.c | 12 static void fm10k_fifo_init(struct fm10k_mbx_fifo *fifo, u32 *buffer, u16 size) in fm10k_fifo_init() argument
14 fifo->buffer = buffer; in fm10k_fifo_init()
15 fifo->size = size; in fm10k_fifo_init()
16 fifo->head = 0; in fm10k_fifo_init()
17 fifo->tail = 0; in fm10k_fifo_init()
26 static u16 fm10k_fifo_used(struct fm10k_mbx_fifo *fifo) in fm10k_fifo_used() argument
28 return fifo->tail - fifo->head; in fm10k_fifo_used()
37 static u16 fm10k_fifo_unused(struct fm10k_mbx_fifo *fifo) in fm10k_fifo_unused() argument
39 return fifo->size + fifo->head - fifo->tail; in fm10k_fifo_unused()
48 static bool fm10k_fifo_empty(struct fm10k_mbx_fifo *fifo) in fm10k_fifo_empty() argument
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| /Linux-v4.19/drivers/spi/ |
| D | spi-mpc512x-psc.c | 64 struct mpc512x_psc_fifo __iomem *fifo; member
157 struct mpc512x_psc_fifo __iomem *fifo = mps->fifo; in mpc512x_psc_spi_transfer_rxtx() local
177 fifosz = MPC512x_PSC_FIFO_SZ(in_be32(&fifo->txsz)); in mpc512x_psc_spi_transfer_rxtx()
179 fifosz = MPC512x_PSC_FIFO_SZ(in_be32(&fifo->rxsz)); in mpc512x_psc_spi_transfer_rxtx()
180 fifosz -= in_be32(&fifo->rxcnt) + 1; in mpc512x_psc_spi_transfer_rxtx()
188 setbits32(&fifo->txcmd, in mpc512x_psc_spi_transfer_rxtx()
190 out_8(&fifo->txdata_8, data); in mpc512x_psc_spi_transfer_rxtx()
196 out_be32(&fifo->txisr, MPC512x_PSC_FIFO_EMPTY); in mpc512x_psc_spi_transfer_rxtx()
197 out_be32(&fifo->tximr, MPC512x_PSC_FIFO_EMPTY); in mpc512x_psc_spi_transfer_rxtx()
220 fifosz = in_be32(&fifo->rxcnt); in mpc512x_psc_spi_transfer_rxtx()
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