platform/intel-quark/imr.c

105  * @idev:	pointer to imr_device structure.
110 static int imr_read(struct imr_device *idev, u32 imr_id, struct imr_regs *imr)
112 	u32 reg = imr_id * IMR_NUM_REGS + idev->reg_base;
136  * @idev:	pointer to imr_device structure.
141 static int imr_write(struct imr_device *idev, u32 imr_id, struct imr_regs *imr)
144 	u32 reg = imr_id * IMR_NUM_REGS + idev->reg_base;
192 	struct imr_device *idev = s->private;
197 	mutex_lock(&idev->lock);
199 	for (i = 0; i < idev->max_imr; i++) {
201 		ret = imr_read(idev, i, &imr);
226 	mutex_unlock(&idev->lock);
234  * @idev:	pointer to imr_device structure.
236 static void imr_debugfs_register(struct imr_device *idev)
238 	debugfs_create_file("imr_state", 0444, NULL, idev,
303 	struct imr_device *idev = &imr_dev;
309 	if (WARN_ONCE(idev->init == false, "driver not initialized"))
331 	mutex_lock(&idev->lock);
340 	for (i = 0; i < idev->max_imr; i++) {
341 		ret = imr_read(idev, i, &imr);
372 	ret = imr_write(idev, reg, &imr);
383 		imr_write(idev, reg, &imr);
386 	mutex_unlock(&idev->lock);
412 	struct imr_device *idev = &imr_dev;
417 	if (WARN_ONCE(idev->init == false, "driver not initialized"))
434 	mutex_lock(&idev->lock);
438 		ret = imr_read(idev, reg, &imr);
449 		for (i = 0; i < idev->max_imr; i++) {
450 			ret = imr_read(idev, i, &imr);
479 	ret = imr_write(idev, reg, &imr);
482 	mutex_unlock(&idev->lock);
534  * @idev:	pointer to imr_device structure.
537 static void __init imr_fixup_memmap(struct imr_device *idev)
546 	for (i = 0; i < idev->max_imr; i++)
583 	struct imr_device *idev = &imr_dev;
588 	idev->max_imr = QUARK_X1000_IMR_MAX;
589 	idev->reg_base = QUARK_X1000_IMR_REGBASE;
590 	idev->init = true;
592 	mutex_init(&idev->lock);
593 	imr_debugfs_register(idev);
594 	imr_fixup_memmap(idev);