Lines Matching full:ring
3 * K3 Ring Accelerator (RA) subsystem interface
18 * RA ring operational modes
20 * @K3_RINGACC_RING_MODE_RING: Exposed Ring mode for SW direct access
43 * RA ring element's sizes in bytes.
60 * enum k3_ring_cfg - RA ring configuration structure
62 * @size: Ring size, number of elements
63 * @elm_size: Ring element size
64 * @mode: Ring operational mode
65 * @flags: Ring configuration flags. Possible values:
66 * @K3_RINGACC_RING_SHARED: when set allows to request the same ring
67 * few times. It's usable when the same ring is used as Free Host PD ring
70 * @dma_dev: Master device which is using and accessing to the ring
103 * k3_ringacc_request_ring - request ring from ringacc
105 * @id: ring id or K3_RINGACC_RING_ID_ANY for any general purpose ring
108 * used to access ring memory. Sopported only for rings in
111 * Returns pointer on the Ring - struct k3_ring
122 * k3_ringacc_ring_reset - ring reset
123 * @ring: pointer on Ring
125 * Resets ring internal state ((hw)occ, (hw)idx).
127 void k3_ringacc_ring_reset(struct k3_ring *ring);
129 * k3_ringacc_ring_reset - ring reset for DMA rings
130 * @ring: pointer on Ring
132 * Resets ring internal state ((hw)occ, (hw)idx). Should be used for rings
135 void k3_ringacc_ring_reset_dma(struct k3_ring *ring, u32 occ);
138 * k3_ringacc_ring_free - ring free
139 * @ring: pointer on Ring
141 * Resets ring and free all alocated resources.
143 int k3_ringacc_ring_free(struct k3_ring *ring);
146 * k3_ringacc_get_ring_id - Get the Ring ID
147 * @ring: pointer on ring
149 * Returns the Ring ID
151 u32 k3_ringacc_get_ring_id(struct k3_ring *ring);
154 * k3_ringacc_get_ring_irq_num - Get the irq number for the ring
155 * @ring: pointer on ring
159 int k3_ringacc_get_ring_irq_num(struct k3_ring *ring);
162 * k3_ringacc_ring_cfg - ring configure
163 * @ring: pointer on ring
164 * @cfg: Ring configuration parameters (see &struct k3_ring_cfg)
166 * Configures ring, including ring memory allocation.
169 int k3_ringacc_ring_cfg(struct k3_ring *ring, struct k3_ring_cfg *cfg);
172 * k3_ringacc_ring_get_size - get ring size
173 * @ring: pointer on ring
175 * Returns ring size in number of elements.
177 u32 k3_ringacc_ring_get_size(struct k3_ring *ring);
181 * @ring: pointer on ring
183 * Returns number of free elements in the ring.
185 u32 k3_ringacc_ring_get_free(struct k3_ring *ring);
188 * k3_ringacc_ring_get_occ - get ring occupancy
189 * @ring: pointer on ring
191 * Returns total number of valid entries on the ring
193 u32 k3_ringacc_ring_get_occ(struct k3_ring *ring);
196 * k3_ringacc_ring_is_full - checks if ring is full
197 * @ring: pointer on ring
199 * Returns true if the ring is full
201 u32 k3_ringacc_ring_is_full(struct k3_ring *ring);
204 * k3_ringacc_ring_push - push element to the ring tail
205 * @ring: pointer on ring
206 * @elem: pointer on ring element buffer
208 * Push one ring element to the ring tail. Size of the ring element is
209 * determined by ring configuration &struct k3_ring_cfg elm_size.
213 int k3_ringacc_ring_push(struct k3_ring *ring, void *elem);
216 * k3_ringacc_ring_pop - pop element from the ring head
217 * @ring: pointer on ring
218 * @elem: pointer on ring element buffer
220 * Push one ring element from the ring head. Size of the ring element is
221 * determined by ring configuration &struct k3_ring_cfg elm_size..
225 int k3_ringacc_ring_pop(struct k3_ring *ring, void *elem);
228 * k3_ringacc_ring_push_head - push element to the ring head
229 * @ring: pointer on ring
230 * @elem: pointer on ring element buffer
232 * Push one ring element to the ring head. Size of the ring element is
233 * determined by ring configuration &struct k3_ring_cfg elm_size.
236 * Not Supported by ring modes: K3_RINGACC_RING_MODE_RING
238 int k3_ringacc_ring_push_head(struct k3_ring *ring, void *elem);
241 * k3_ringacc_ring_pop_tail - pop element from the ring tail
242 * @ring: pointer on ring
243 * @elem: pointer on ring element buffer
245 * Push one ring element from the ring tail. Size of the ring element is
246 * determined by ring configuration &struct k3_ring_cfg elm_size.
249 * Not Supported by ring modes: K3_RINGACC_RING_MODE_RING
251 int k3_ringacc_ring_pop_tail(struct k3_ring *ring, void *elem);
253 u32 k3_ringacc_get_tisci_dev_id(struct k3_ring *ring);
255 /* DMA ring support */