JFIF$        dd7 

Viewing File: /usr/src/kernels/5.14.0-570.32.1.el9_6.x86_64/include/linux/fpga/fpga-bridge.h

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _LINUX_FPGA_BRIDGE_H
#define _LINUX_FPGA_BRIDGE_H

#include <linux/device.h>
#include <linux/fpga/fpga-mgr.h>

struct fpga_bridge;

/**
 * struct fpga_bridge_ops - ops for low level FPGA bridge drivers
 * @enable_show: returns the FPGA bridge's status
 * @enable_set: set an FPGA bridge as enabled or disabled
 * @fpga_bridge_remove: set FPGA into a specific state during driver remove
 * @groups: optional attribute groups.
 */
struct fpga_bridge_ops {
	int (*enable_show)(struct fpga_bridge *bridge);
	int (*enable_set)(struct fpga_bridge *bridge, bool enable);
	void (*fpga_bridge_remove)(struct fpga_bridge *bridge);
	const struct attribute_group **groups;
};

/**
 * struct fpga_bridge - FPGA bridge structure
 * @name: name of low level FPGA bridge
 * @dev: FPGA bridge device
 * @mutex: enforces exclusive reference to bridge
 * @br_ops: pointer to struct of FPGA bridge ops
 * @info: fpga image specific information
 * @node: FPGA bridge list node
 * @priv: low level driver private date
 */
struct fpga_bridge {
	const char *name;
	struct device dev;
	struct mutex mutex; /* for exclusive reference to bridge */
	const struct fpga_bridge_ops *br_ops;
	struct fpga_image_info *info;
	struct list_head node;
	void *priv;
};

#define to_fpga_bridge(d) container_of(d, struct fpga_bridge, dev)

struct fpga_bridge *of_fpga_bridge_get(struct device_node *node,
				       struct fpga_image_info *info);
struct fpga_bridge *fpga_bridge_get(struct device *dev,
				    struct fpga_image_info *info);
void fpga_bridge_put(struct fpga_bridge *bridge);
int fpga_bridge_enable(struct fpga_bridge *bridge);
int fpga_bridge_disable(struct fpga_bridge *bridge);

int fpga_bridges_enable(struct list_head *bridge_list);
int fpga_bridges_disable(struct list_head *bridge_list);
void fpga_bridges_put(struct list_head *bridge_list);
int fpga_bridge_get_to_list(struct device *dev,
			    struct fpga_image_info *info,
			    struct list_head *bridge_list);
int of_fpga_bridge_get_to_list(struct device_node *np,
			       struct fpga_image_info *info,
			       struct list_head *bridge_list);

struct fpga_bridge *fpga_bridge_create(struct device *dev, const char *name,
				       const struct fpga_bridge_ops *br_ops,
				       void *priv);
void fpga_bridge_free(struct fpga_bridge *br);
int fpga_bridge_register(struct fpga_bridge *br);
void fpga_bridge_unregister(struct fpga_bridge *br);

struct fpga_bridge
*devm_fpga_bridge_create(struct device *dev, const char *name,
			 const struct fpga_bridge_ops *br_ops, void *priv);

#endif /* _LINUX_FPGA_BRIDGE_H */
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg