engine/disp/outp.c

24 #include "outp.h"
37 	struct nvkm_outp *outp;
41 		if ((outp = ior->arm.outp) && ior->arm.outp != ior->asy.outp) {
42 			OUTP_DBG(outp, "release %s", ior->name);
44 				ior->func->route.set(outp, NULL);
45 			ior->arm.outp = NULL;
50 		if ((outp = ior->asy.outp)) {
51 			if (ior->asy.outp != ior->arm.outp) {
52 				OUTP_DBG(outp, "acquire %s", ior->name);
54 					ior->func->route.set(outp, ior);
55 				ior->arm.outp = ior->asy.outp;
62 nvkm_outp_xlat(struct nvkm_outp *outp, enum nvkm_ior_type *type)
64 	switch (outp->info.location) {
66 		switch (outp->info.type) {
77 		switch (outp->info.type) {
92 nvkm_outp_release_or(struct nvkm_outp *outp, u8 user)
94 	struct nvkm_ior *ior = outp->ior;
95 	OUTP_TRACE(outp, "release %02x &= %02x %p", outp->acquired, ~user, ior);
97 		outp->acquired &= ~user;
98 		if (!outp->acquired) {
99 			outp->ior->asy.outp = NULL;
100 			outp->ior = NULL;
106 nvkm_outp_acquire_ior(struct nvkm_outp *outp, u8 user, struct nvkm_ior *ior)
108 	outp->ior = ior;
109 	outp->ior->asy.outp = outp;
110 	outp->ior->asy.link = outp->info.sorconf.link;
111 	outp->acquired |= user;
116 nvkm_outp_acquire_hda(struct nvkm_outp *outp, enum nvkm_ior_type type,
122 	list_for_each_entry(ior, &outp->disp->iors, head) {
124 		    !ior->asy.outp && ior->type == type && !ior->arm.outp &&
125 		    (ior->func->route.set || ior->id == __ffs(outp->info.or)))
126 			return nvkm_outp_acquire_ior(outp, user, ior);
132 	list_for_each_entry(ior, &outp->disp->iors, head) {
134 		    !ior->asy.outp && ior->type == type &&
135 		    (ior->func->route.set || ior->id == __ffs(outp->info.or)))
136 			return nvkm_outp_acquire_ior(outp, user, ior);
143 nvkm_outp_acquire_or(struct nvkm_outp *outp, u8 user, bool hda)
145 	struct nvkm_ior *ior = outp->ior;
149 	OUTP_TRACE(outp, "acquire %02x |= %02x %p", outp->acquired, user, ior);
151 		outp->acquired |= user;
156 	proto = nvkm_outp_xlat(outp, &type);
161 	if (outp->identity) {
162 		ior = nvkm_ior_find(outp->disp, SOR, ffs(outp->info.or) - 1);
165 		return nvkm_outp_acquire_ior(outp, user, ior);
171 	list_for_each_entry(ior, &outp->disp->iors, head) {
172 		if (!ior->identity && !ior->asy.outp && ior->arm.outp == outp) {
185 			return nvkm_outp_acquire_ior(outp, user, ior);
193 		if (!nvkm_outp_acquire_hda(outp, type, user, false))
197 		return nvkm_outp_acquire_hda(outp, type, user, true);
201 	if (!nvkm_outp_acquire_hda(outp, type, user, true))
207 	return nvkm_outp_acquire_hda(outp, type, user, false);
211 nvkm_outp_bl_set(struct nvkm_outp *outp, int level)
215 	ret = nvkm_outp_acquire_or(outp, NVKM_OUTP_PRIV, false);
219 	if (outp->ior->func->bl)
220 		ret = outp->ior->func->bl->set(outp->ior, level);
224 	nvkm_outp_release_or(outp, NVKM_OUTP_PRIV);
229 nvkm_outp_bl_get(struct nvkm_outp *outp)
233 	ret = nvkm_outp_acquire_or(outp, NVKM_OUTP_PRIV, false);
237 	if (outp->ior->func->bl)
238 		ret = outp->ior->func->bl->get(outp->ior);
242 	nvkm_outp_release_or(outp, NVKM_OUTP_PRIV);
247 nvkm_outp_detect(struct nvkm_outp *outp)
249 	struct nvkm_gpio *gpio = outp->disp->engine.subdev.device->gpio;
252 	if (outp->conn->info.hpd != DCB_GPIO_UNUSED) {
253 		ret = nvkm_gpio_get(gpio, 0, DCB_GPIO_UNUSED, outp->conn->info.hpd);
264 		if (outp->info.type == DCB_OUTPUT_DP)
272 nvkm_outp_release(struct nvkm_outp *outp)
274 	nvkm_outp_release_or(outp, NVKM_OUTP_USER);
275 	nvkm_outp_route(outp->disp);
279 nvkm_outp_acquire(struct nvkm_outp *outp, bool hda)
281 	int ret = nvkm_outp_acquire_or(outp, NVKM_OUTP_USER, hda);
286 	nvkm_outp_route(outp->disp);
291 nvkm_outp_inherit(struct nvkm_outp *outp)
293 	struct nvkm_disp *disp = outp->disp;
300 	proto = nvkm_outp_xlat(outp, &type);
310 		id = ior->func->route.get(outp, &link);
312 			OUTP_DBG(outp, "no route");
317 		id   = ffs(outp->info.or) - 1;
318 		link = (ior->type == SOR) ? outp->info.sorconf.link : 0;
329 nvkm_outp_init(struct nvkm_outp *outp)
336 	proto = nvkm_outp_xlat(outp, &type);
337 	ior = outp->func->inherit(outp);
344 		OUTP_DBG(outp, "no heads (%x %d %d)", ior->arm.head,
351 		if (ior->func->route.get && !ior->arm.head && outp->info.type == DCB_OUTPUT_DP)
352 			nvkm_dp_disable(outp, ior);
357 	OUTP_DBG(outp, "on %s link %x", ior->name, ior->arm.link);
358 	ior->arm.outp = outp;
364 	struct nvkm_outp *outp = *poutp;
365 	if (outp && !WARN_ON(!outp->func)) {
366 		if (outp->func->dtor)
367 			*poutp = outp->func->dtor(outp);
378 	struct nvkm_outp *outp;
382 	if (!(outp = *poutp = kzalloc(sizeof(*outp), GFP_KERNEL)))
385 	outp->func = func;
386 	outp->disp = disp;
387 	outp->index = index;
388 	outp->info = *dcbE;
390 		outp->i2c = nvkm_i2c_bus_find(i2c, dcbE->i2c_index);
392 	OUTP_DBG(outp, "type %02x loc %d or %d link %d con %x "
394 		 outp->info.type, outp->info.location, outp->info.or,
395 		 outp->info.type >= 2 ? outp->info.sorconf.link : 0,
396 		 outp->info.connector, outp->info.i2c_index,
397 		 outp->info.bus, outp->info.heads);
400 	proto = nvkm_outp_xlat(outp, &type);