crypto/ccp/sp-dev.c

23 #include "sp-dev.h"
42 static void sp_add_device(struct sp_device *sp)
48 	list_add_tail(&sp->entry, &sp_units);
53 static void sp_del_device(struct sp_device *sp)
59 	list_del(&sp->entry);
66 	struct sp_device *sp = data;
68 	if (sp->ccp_irq_handler)
69 		sp->ccp_irq_handler(irq, sp->ccp_irq_data);
71 	if (sp->psp_irq_handler)
72 		sp->psp_irq_handler(irq, sp->psp_irq_data);
77 int sp_request_ccp_irq(struct sp_device *sp, irq_handler_t handler,
82 	if ((sp->psp_irq == sp->ccp_irq) && sp->dev_vdata->psp_vdata) {
84 		sp->ccp_irq_data = data;
85 		sp->ccp_irq_handler = handler;
87 		if (!sp->irq_registered) {
88 			ret = request_irq(sp->ccp_irq, sp_irq_handler, 0,
89 					  sp->name, sp);
93 			sp->irq_registered = true;
97 		ret = request_irq(sp->ccp_irq, handler, 0, name, data);
105 int sp_request_psp_irq(struct sp_device *sp, irq_handler_t handler,
110 	if ((sp->psp_irq == sp->ccp_irq) && sp->dev_vdata->ccp_vdata) {
112 		sp->psp_irq_data = data;
113 		sp->psp_irq_handler = handler;
115 		if (!sp->irq_registered) {
116 			ret = request_irq(sp->psp_irq, sp_irq_handler, 0,
117 					  sp->name, sp);
121 			sp->irq_registered = true;
125 		ret = request_irq(sp->psp_irq, handler, 0, name, data);
133 void sp_free_ccp_irq(struct sp_device *sp, void *data)
135 	if ((sp->psp_irq == sp->ccp_irq) && sp->dev_vdata->psp_vdata) {
137 		if (!sp->psp_irq_handler) {
139 			free_irq(sp->ccp_irq, sp);
141 			sp->irq_registered = false;
144 		sp->ccp_irq_handler = NULL;
145 		sp->ccp_irq_data = NULL;
148 		free_irq(sp->ccp_irq, data);
152 void sp_free_psp_irq(struct sp_device *sp, void *data)
154 	if ((sp->psp_irq == sp->ccp_irq) && sp->dev_vdata->ccp_vdata) {
156 		if (!sp->ccp_irq_handler) {
158 			free_irq(sp->psp_irq, sp);
160 			sp->irq_registered = false;
163 		sp->psp_irq_handler = NULL;
164 		sp->psp_irq_data = NULL;
167 		free_irq(sp->psp_irq, data);
178 	struct sp_device *sp;
180 	sp = devm_kzalloc(dev, sizeof(*sp), GFP_KERNEL);
181 	if (!sp)
184 	sp->dev = dev;
185 	sp->ord = atomic_inc_return(&sp_ordinal);
186 	snprintf(sp->name, SP_MAX_NAME_LEN, "sp-%u", sp->ord);
188 	return sp;
191 int sp_init(struct sp_device *sp)
193 	sp_add_device(sp);
195 	if (sp->dev_vdata->ccp_vdata)
196 		ccp_dev_init(sp);
198 	if (sp->dev_vdata->psp_vdata)
199 		psp_dev_init(sp);
203 void sp_destroy(struct sp_device *sp)
205 	if (sp->dev_vdata->ccp_vdata)
206 		ccp_dev_destroy(sp);
208 	if (sp->dev_vdata->psp_vdata)
209 		psp_dev_destroy(sp);
211 	sp_del_device(sp);
214 int sp_suspend(struct sp_device *sp)
216 	if (sp->dev_vdata->ccp_vdata) {
217 		ccp_dev_suspend(sp);
223 int sp_resume(struct sp_device *sp)
225 	if (sp->dev_vdata->ccp_vdata) {
226 		ccp_dev_resume(sp);