drm/panthor/panthor_fw.h

1 /* SPDX-License-Identifier: GPL-2.0 or MIT */
27 #define CS_FEATURES_SCOREBOARDS(x)		(((x) & GENMASK(15, 8)) >> 8)
62 #define CS_CONFIG_DOORBELL(x)			(((x) << 8) & GENMASK(15, 8))
81 	u32 reserved1[15];
84 #define CS_STATUS_WAIT_SB_MASK			GENMASK(15, 0)
166 #define CSG_EP_REQ_FRAGMENT(x)			(((x) << 8) & GENMASK(15, 8))
272  * struct panthor_fw_cs_iface - Firmware command stream slot interface
283 	 * interface sections are mapped uncached/write-combined right now, and
294 	 * This interface is read-only.
299 	 * @input: Command stream slot input interface.
303 	struct panthor_fw_cs_input_iface *input;  member
310 	 * This interface is read-only.
316  * struct panthor_fw_csg_iface - Firmware command stream group slot interface
327 	 * interface sections are mapped uncached/write-combined right now, and
338 	 * This interface is read-only.
343 	 * @input: Command stream slot input interface.
347 	struct panthor_fw_csg_input_iface *input;  member
354 	 * This interface is read-only.
360  * struct panthor_fw_global_iface - Firmware global interface
371 	 * interface sections are mapped uncached/write-combined right now, and
382 	 * This interface is read-only.
387 	 * @input: Global input interface.
391 	struct panthor_fw_global_input_iface *input;  member
398 	 * This interface is read-only.
404  * panthor_fw_toggle_reqs() - Toggle acknowledge bits to send an event to the FW
406  * @__in_reg: Name of the register to update in the input section of the interface.
411  * The Host -> FW event/message passing was designed to be lockless, with each side of
418  * for events to be re-evaluated, the interface doorbell needs to be rung.
427 		spin_lock(&(__iface)->lock); \
428 		__cur_val = READ_ONCE((__iface)->input->__in_reg); \
429 		__out_val = READ_ONCE((__iface)->output->__out_reg); \
431 		WRITE_ONCE((__iface)->input->__in_reg, __new_val); \
432 		spin_unlock(&(__iface)->lock); \
436  * panthor_fw_update_reqs() - Update bits to reflect a configuration change
438  * @__in_reg: Name of the register to update in the input section of the interface.
453 		spin_lock(&(__iface)->lock); \
454 		__cur_val = READ_ONCE((__iface)->input->__in_reg); \
456 		WRITE_ONCE((__iface)->input->__in_reg, __new_val); \
457 		spin_unlock(&(__iface)->lock); \
479 				 struct panthor_fw_ringbuf_input_iface **input,