drivers/pcmcia/pcmcia_resource.c

155 static int pcmcia_access_config(struct pcmcia_device *p_dev,
166 	s = p_dev->socket;
169 	c = p_dev->function_config;
172 		dev_dbg(&p_dev->dev, "Configuration isn't locked\n");
177 	addr = (p_dev->config_base + where) >> 1;
193 int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val)
195 	return pcmcia_access_config(p_dev, where, val, pcmcia_read_cis_mem);
206 int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val)
208 	return pcmcia_access_config(p_dev, where, &val, pcmcia_write_cis_mem);
215  * @p_dev: pcmcia device
223 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
226 	struct pcmcia_socket *s = p_dev->socket;
238 		dev_warn(&p_dev->dev, "failed to set_mem_map\n");
247  * @p_dev: pcmcia device
253 int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev)
255 	struct pcmcia_socket *s = p_dev->socket;
262 	dev_dbg(&p_dev->dev, "fixup iowidth to 8bit\n");
265 		!(p_dev->function_config->state & CONFIG_LOCKED)) {
266 		dev_dbg(&p_dev->dev, "No card? Config not locked?\n");
296  * @p_dev: pcmcia device
303 int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp)
305 	struct pcmcia_socket *s = p_dev->socket;
310 	dev_dbg(&p_dev->dev, "fixup Vpp to %d\n", new_vpp);
313 		!(p_dev->function_config->state & CONFIG_LOCKED)) {
314 		dev_dbg(&p_dev->dev, "No card? Config not locked?\n");
321 		dev_warn(&p_dev->dev, "Unable to set VPP\n");
325 	p_dev->vpp = new_vpp;
337  * @p_dev: pcmcia device
346 int pcmcia_release_configuration(struct pcmcia_device *p_dev)
349 	struct pcmcia_socket *s = p_dev->socket;
354 	c = p_dev->function_config;
355 	if (p_dev->_locked) {
356 		p_dev->_locked = 0;
385  * @p_dev: pcmcia device
393 static void pcmcia_release_io(struct pcmcia_device *p_dev)
395 	struct pcmcia_socket *s = p_dev->socket;
399 	if (!p_dev->_io)
402 	c = p_dev->function_config;
409 	p_dev->_io = 0;
419  * @p_dev: pcmcia device
425 int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res)
427 	struct pcmcia_socket *s = p_dev->socket;
431 	dev_dbg(&p_dev->dev, "releasing window %pR\n", res);
440 	if (!(p_dev->_win & CLIENT_WIN_REQ(w))) {
441 		dev_dbg(&p_dev->dev, "not releasing unknown window\n");
460 	p_dev->_win &= ~CLIENT_WIN_REQ(w);
470  * @p_dev: the associated PCMCIA device
473  * the flags passed to in @flags and stored in @p_dev->flags and sets up
477 int pcmcia_enable_device(struct pcmcia_device *p_dev)
481 	struct pcmcia_socket *s = p_dev->socket;
487 	unsigned int flags = p_dev->config_flags;
493 	c = p_dev->function_config;
496 		dev_dbg(&p_dev->dev, "Configuration is locked\n");
501 	s->socket.Vpp = p_dev->vpp;
504 		dev_warn(&p_dev->dev, "Unable to set socket state\n");
509 	if (p_dev->_io || flags & CONF_ENABLE_IRQ)
518 		if (!(p_dev->config_regs & PRESENT_STATUS))
519 			dev_warn(&p_dev->dev, "speaker requested, but "
527 		p_dev->config_regs |= PRESENT_EXT_STATUS;
533 	dev_dbg(&p_dev->dev,
535 		p_dev->vpp, flags, p_dev->config_base, p_dev->config_regs,
536 		p_dev->config_index);
539 	base = p_dev->config_base;
540 	if (p_dev->config_regs & PRESENT_COPY) {
542 		dev_dbg(&p_dev->dev, "clearing CISREG_SCR\n");
545 	if (p_dev->config_regs & PRESENT_PIN_REPLACE) {
547 		dev_dbg(&p_dev->dev, "clearing CISREG_PRR\n");
550 	if (p_dev->config_regs & PRESENT_OPTION) {
552 			option = p_dev->config_index & COR_CONFIG_MASK;
554 			option = p_dev->config_index & COR_MFC_CONFIG_MASK;
556 			if (p_dev->config_regs & PRESENT_IOBASE_0)
565 	if (p_dev->config_regs & PRESENT_STATUS)
568 	if (p_dev->config_regs & PRESENT_EXT_STATUS)
572 	if (p_dev->config_regs & PRESENT_IOBASE_0) {
578 	if (p_dev->config_regs & PRESENT_IOSIZE) {
606 	p_dev->_locked = 1;
615  * @p_dev: the associated PCMCIA device
618  * &struct pcmcia_device @p_dev->resource[0] and @p_dev->resource[1]. The
621  * is specified in &struct pcmcia_device @p_dev->io_lines.
623 int pcmcia_request_io(struct pcmcia_device *p_dev)
625 	struct pcmcia_socket *s = p_dev->socket;
626 	config_t *c = p_dev->function_config;
630 	dev_dbg(&p_dev->dev, "pcmcia_request_io: %pR , %pR",
634 		dev_dbg(&p_dev->dev, "pcmcia_request_io: No card present\n");
639 		dev_dbg(&p_dev->dev, "Configuration is locked\n");
643 		dev_dbg(&p_dev->dev, "IO already configured\n");
647 	ret = alloc_io_space(s, &c->io[0], p_dev->io_lines);
652 		ret = alloc_io_space(s, &c->io[1], p_dev->io_lines);
667 	p_dev->_io = 1;
669 	dev_dbg(&p_dev->dev, "pcmcia_request_io succeeded: %pR , %pR",
681  * @p_dev: the associated PCMCIA device
690 int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
695 	if (!p_dev->irq)
698 	ret = request_irq(p_dev->irq, handler, IRQF_SHARED,
699 			p_dev->devname, p_dev->priv);
701 		p_dev->_irq = 1;
720  * @p_dev: the associated PCMCIA device
725 static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type)
727 	struct pcmcia_socket *s = p_dev->socket;
749 		ret = request_irq(irq, test_action, type, p_dev->devname,
750 				  p_dev);
752 			free_irq(irq, p_dev);
753 			p_dev->irq = s->pcmcia_irq = irq;
770 static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type)
786  * @p_dev: the associated PCMCIA device
790 int pcmcia_setup_irq(struct pcmcia_device *p_dev)
792 	struct pcmcia_socket *s = p_dev->socket;
794 	if (p_dev->irq)
799 		p_dev->irq = s->pcmcia_irq;
804 	if (!pcmcia_setup_isa_irq(p_dev, 0))
808 	if (!pcmcia_setup_isa_irq(p_dev, IRQF_SHARED))
813 		p_dev->irq = s->pcmcia_irq = s->pci_irq;
823  * @p_dev: the associated PCMCIA device
824  * @res: &struct resource pointing to p_dev->resource[2..5]
829  * &struct pcmcia_device @p_dev->resource[2..5]. The "start" value is the
833 int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
836 	struct pcmcia_socket *s = p_dev->socket;
841 	dev_dbg(&p_dev->dev, "request_window %pR %d\n", res, speed);
844 		dev_dbg(&p_dev->dev, "No card present\n");
853 		dev_dbg(&p_dev->dev, "invalid map size\n");
858 		dev_dbg(&p_dev->dev, "invalid base address\n");
870 		dev_dbg(&p_dev->dev, "all windows are used already\n");
881 			dev_dbg(&p_dev->dev, "allocating mem region failed\n");
886 	p_dev->_win |= CLIENT_WIN_REQ(w);
895 		dev_dbg(&p_dev->dev, "failed to set memory mapping\n");
915 	dev_dbg(&p_dev->dev, "request_window results in %pR\n", res);
926  * @p_dev: the associated PCMCIA device
936 void pcmcia_disable_device(struct pcmcia_device *p_dev)
940 	dev_dbg(&p_dev->dev, "disabling device\n");
943 		struct resource *res = p_dev->resource[MAX_IO_WIN + i];
945 			pcmcia_release_window(p_dev, res);
948 	pcmcia_release_configuration(p_dev);
949 	pcmcia_release_io(p_dev);
950 	if (p_dev->_irq) {
951 		free_irq(p_dev->irq, p_dev->priv);
952 		p_dev->_irq = 0;