dc/gpio/gpio_base.c

53 	struct gpio *gpio,
56 	return dal_gpio_open_ex(gpio, mode);
60 	struct gpio *gpio,
63 	if (gpio->pin) {
68 	// No action if allocation failed during gpio construct
69 	if (!gpio->hw_container.ddc) {
73 	gpio->mode = mode;
75 	return dal_gpio_service_open(gpio);
79 	const struct gpio *gpio,
82 	if (!gpio->pin) {
87 	return gpio->pin->funcs->get_value(gpio->pin, value);
91 	const struct gpio *gpio,
94 	if (!gpio->pin) {
99 	return gpio->pin->funcs->set_value(gpio->pin, value);
103 	const struct gpio *gpio)
105 	return gpio->mode;
109 	struct gpio *gpio)
111 	return dal_gpio_service_lock(gpio->service, gpio->id, gpio->en);
115 	struct gpio *gpio)
117 	return dal_gpio_service_unlock(gpio->service, gpio->id, gpio->en);
121 	struct gpio *gpio,
124 	if (!gpio->pin) {
129 	return gpio->pin->funcs->change_mode(gpio->pin, mode);
133 	const struct gpio *gpio)
135 	return gpio->id;
139 	const struct gpio *gpio)
141 	return gpio->en;
145 	struct gpio *gpio,
148 	if (!gpio->pin) {
153 	return gpio->pin->funcs->set_config(gpio->pin, config_data);
157 	const struct gpio *gpio,
160 	return gpio->service->translate.funcs->id_to_offset(
161 		gpio->id, gpio->en, pin_info) ?
166 	const struct gpio *gpio)
168 	switch (gpio->id) {
170 		switch (gpio->en) {
188 		switch (gpio->en) {
202 		switch (gpio->en) {
212 		switch (gpio->en) {
231 	const struct gpio *gpio)
233 	return gpio->output_state;
236 struct hw_ddc *dal_gpio_get_ddc(struct gpio *gpio)
238 	return gpio->hw_container.ddc;
241 struct hw_hpd *dal_gpio_get_hpd(struct gpio *gpio)
243 	return gpio->hw_container.hpd;
246 struct hw_generic *dal_gpio_get_generic(struct gpio *gpio)
248 	return gpio->hw_container.generic;
252 	struct gpio *gpio)
254 	if (!gpio)
257 	dal_gpio_service_close(gpio->service, &gpio->pin);
259 	gpio->mode = GPIO_MODE_UNKNOWN;
267 struct gpio *dal_gpio_create(
273 	struct gpio *gpio = kzalloc(sizeof(struct gpio), GFP_KERNEL);
275 	if (!gpio) {
280 	gpio->service = service;
281 	gpio->pin = NULL;
282 	gpio->id = id;
283 	gpio->en = en;
284 	gpio->mode = GPIO_MODE_UNKNOWN;
285 	gpio->output_state = output_state;
288 	switch (gpio->id) {
290 		gpio->service->factory.funcs->init_ddc_data(&gpio->hw_container.ddc, service->ctx, id, en);
293 		gpio->service->factory.funcs->init_ddc_data(&gpio->hw_container.ddc, service->ctx, id, en);
296 		gpio->service->factory.funcs->init_generic(&gpio->hw_container.generic, service->ctx, id, en);
299 		gpio->service->factory.funcs->init_hpd(&gpio->hw_container.hpd, service->ctx, id, en);
301 	// TODO: currently gpio for sync and gsl does not get created, might need it later
308 		gpio->pin = NULL;
311 	return gpio;
315 	struct gpio **gpio)
317 	if (!gpio || !*gpio) {
322 	switch ((*gpio)->id) {
324 		kfree((*gpio)->hw_container.ddc);
325 		(*gpio)->hw_container.ddc = NULL;
329 		kfree((*gpio)->hw_container.ddc);
330 		(*gpio)->hw_container.ddc = NULL;
333 		kfree((*gpio)->hw_container.generic);
334 		(*gpio)->hw_container.generic = NULL;
337 		kfree((*gpio)->hw_container.hpd);
338 		(*gpio)->hw_container.hpd = NULL;
340 	// TODO: currently gpio for sync and gsl does not get created, might need it later
349 	kfree(*gpio);
351 	*gpio = NULL;