Lines Matching +full:reg +full:- +full:names
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2014-2017 Broadcom
59 [ARB_BP_CAP_HI_ADDR] = -1,
62 [ARB_BP_CAP_MASTER] = -1,
64 [ARB_ERR_CAP_HI_ADDR] = -1,
67 [ARB_ERR_CAP_MASTER] = -1,
73 [ARB_BP_CAP_HI_ADDR] = -1,
78 [ARB_ERR_CAP_HI_ADDR] = -1,
87 [ARB_BP_CAP_HI_ADDR] = -1,
92 [ARB_ERR_CAP_HI_ADDR] = -1,
101 [ARB_BP_CAP_HI_ADDR] = -1,
106 [ARB_ERR_CAP_HI_ADDR] = -1,
115 [ARB_BP_CAP_HI_ADDR] = -1,
139 static u32 gisb_read(struct brcmstb_gisb_arb_device *gdev, int reg) in gisb_read() argument
141 int offset = gdev->gisb_offsets[reg]; in gisb_read()
145 if (reg == ARB_ERR_CAP_MASTER) in gisb_read()
151 if (gdev->big_endian) in gisb_read()
152 return ioread32be(gdev->base + offset); in gisb_read()
154 return ioread32(gdev->base + offset); in gisb_read()
177 static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg) in gisb_write() argument
179 int offset = gdev->gisb_offsets[reg]; in gisb_write()
181 if (offset == -1) in gisb_write()
184 if (gdev->big_endian) in gisb_write()
185 iowrite32be(val, gdev->base + offset); in gisb_write()
187 iowrite32(val, gdev->base + offset); in gisb_write()
197 mutex_lock(&gdev->lock); in gisb_arb_get_timeout()
199 mutex_unlock(&gdev->lock); in gisb_arb_get_timeout()
216 return -EINVAL; in gisb_arb_set_timeout()
218 mutex_lock(&gdev->lock); in gisb_arb_set_timeout()
220 mutex_unlock(&gdev->lock); in gisb_arb_set_timeout()
229 u32 mask = gdev->valid_mask & masters; in brcmstb_gisb_master_to_str()
234 return gdev->master_names[ffs(mask) - 1]; in brcmstb_gisb_master_to_str()
389 { .compatible = "brcm,gisb-arb", .data = gisb_offsets_bcm7445 },
390 { .compatible = "brcm,bcm7445-gisb-arb", .data = gisb_offsets_bcm7445 },
391 { .compatible = "brcm,bcm7435-gisb-arb", .data = gisb_offsets_bcm7435 },
392 { .compatible = "brcm,bcm7400-gisb-arb", .data = gisb_offsets_bcm7400 },
393 { .compatible = "brcm,bcm7278-gisb-arb", .data = gisb_offsets_bcm7278 },
394 { .compatible = "brcm,bcm7038-gisb-arb", .data = gisb_offsets_bcm7038 },
400 struct device_node *dn = pdev->dev.of_node; in brcmstb_gisb_arb_probe()
413 gdev = devm_kzalloc(&pdev->dev, sizeof(*gdev), GFP_KERNEL); in brcmstb_gisb_arb_probe()
415 return -ENOMEM; in brcmstb_gisb_arb_probe()
417 mutex_init(&gdev->lock); in brcmstb_gisb_arb_probe()
418 INIT_LIST_HEAD(&gdev->next); in brcmstb_gisb_arb_probe()
420 gdev->base = devm_ioremap_resource(&pdev->dev, r); in brcmstb_gisb_arb_probe()
421 if (IS_ERR(gdev->base)) in brcmstb_gisb_arb_probe()
422 return PTR_ERR(gdev->base); in brcmstb_gisb_arb_probe()
427 return -EINVAL; in brcmstb_gisb_arb_probe()
429 gdev->gisb_offsets = of_id->data; in brcmstb_gisb_arb_probe()
430 gdev->big_endian = of_device_is_big_endian(dn); in brcmstb_gisb_arb_probe()
432 err = devm_request_irq(&pdev->dev, timeout_irq, in brcmstb_gisb_arb_probe()
433 brcmstb_gisb_timeout_handler, 0, pdev->name, in brcmstb_gisb_arb_probe()
438 err = devm_request_irq(&pdev->dev, tea_irq, in brcmstb_gisb_arb_probe()
439 brcmstb_gisb_tea_handler, 0, pdev->name, in brcmstb_gisb_arb_probe()
446 err = devm_request_irq(&pdev->dev, bp_irq, in brcmstb_gisb_arb_probe()
447 brcmstb_gisb_bp_handler, 0, pdev->name, in brcmstb_gisb_arb_probe()
454 if (of_property_read_u32(dn, "brcm,gisb-arb-master-mask", in brcmstb_gisb_arb_probe()
455 &gdev->valid_mask)) in brcmstb_gisb_arb_probe()
456 gdev->valid_mask = 0xffffffff; in brcmstb_gisb_arb_probe()
458 /* Proceed with reading the litteral names if we agree on the in brcmstb_gisb_arb_probe()
462 "brcm,gisb-arb-master-names"); in brcmstb_gisb_arb_probe()
463 if (hweight_long(gdev->valid_mask) == num_masters) { in brcmstb_gisb_arb_probe()
464 first = ffs(gdev->valid_mask) - 1; in brcmstb_gisb_arb_probe()
465 last = fls(gdev->valid_mask) - 1; in brcmstb_gisb_arb_probe()
468 if (!(gdev->valid_mask & BIT(i))) in brcmstb_gisb_arb_probe()
472 "brcm,gisb-arb-master-names", j, in brcmstb_gisb_arb_probe()
473 &gdev->master_names[i]); in brcmstb_gisb_arb_probe()
478 err = sysfs_create_group(&pdev->dev.kobj, &gisb_arb_sysfs_attr_group); in brcmstb_gisb_arb_probe()
484 list_add_tail(&gdev->next, &brcmstb_gisb_arb_device_list); in brcmstb_gisb_arb_probe()
496 dev_info(&pdev->dev, "registered irqs: %d, %d\n", in brcmstb_gisb_arb_probe()
507 gdev->saved_timeout = gisb_read(gdev, ARB_TIMER); in brcmstb_gisb_arb_suspend()
519 gisb_write(gdev, gdev->saved_timeout, ARB_TIMER); in brcmstb_gisb_arb_resume_noirq()
535 .name = "brcm-gisb-arb",