Lines Matching refs:msi_data
36 struct ls_scfg_msi *msi_data;
87 struct ls_scfg_msi *msi_data = irq_data_get_irq_chip_data(data);
89 msg->address_hi = upper_32_bits(msi_data->msiir_addr);
90 msg->address_lo = lower_32_bits(msi_data->msiir_addr);
106 struct ls_scfg_msi *msi_data = irq_data_get_irq_chip_data(irq_data);
117 if (cpu >= msi_data->msir_num)
120 if (msi_data->msir[cpu].gic_irq <= 0) {
142 struct ls_scfg_msi *msi_data = domain->host_data;
147 spin_lock(&msi_data->lock);
148 pos = find_first_zero_bit(msi_data->used, msi_data->irqs_num);
149 if (pos < msi_data->irqs_num)
150 __set_bit(pos, msi_data->used);
153 spin_unlock(&msi_data->lock);
158 err = iommu_dma_prepare_msi(info->desc, msi_data->msiir_addr);
163 &ls_scfg_msi_parent_chip, msi_data,
173 struct ls_scfg_msi *msi_data = irq_data_get_irq_chip_data(d);
177 if (pos < 0 || pos >= msi_data->irqs_num) {
182 spin_lock(&msi_data->lock);
183 __clear_bit(pos, msi_data->used);
184 spin_unlock(&msi_data->lock);
195 struct ls_scfg_msi *msi_data = msir->msi_data;
207 hwirq = ((msir->bit_end - pos) << msi_data->cfg->ibs_shift) |
209 virq = irq_find_mapping(msi_data->parent, hwirq);
217 static int ls_scfg_msi_domains_init(struct ls_scfg_msi *msi_data)
220 msi_data->parent = irq_domain_add_linear(NULL,
221 msi_data->irqs_num,
223 msi_data);
224 if (!msi_data->parent) {
225 dev_err(&msi_data->pdev->dev, "failed to create IRQ domain\n");
229 msi_data->msi_domain = pci_msi_create_irq_domain(
230 of_node_to_fwnode(msi_data->pdev->dev.of_node),
232 msi_data->parent);
233 if (!msi_data->msi_domain) {
234 dev_err(&msi_data->pdev->dev, "failed to create MSI domain\n");
235 irq_domain_remove(msi_data->parent);
242 static int ls_scfg_msi_setup_hwirq(struct ls_scfg_msi *msi_data, int index)
247 virq = platform_get_irq(msi_data->pdev, index);
251 msir = &msi_data->msir[index];
253 msir->msi_data = msi_data;
255 msir->reg = msi_data->regs + msi_data->cfg->msir_base + 4 * index;
257 if (msi_data->cfg->msir_irqs == MSI_LS1043V1_1_IRQS_PER_MSIR) {
264 msir->bit_end = msi_data->cfg->msir_irqs - 1;
280 for (i = 0; i < msi_data->cfg->msir_irqs; i++) {
281 hwirq = i << msi_data->cfg->ibs_shift | msir->index;
282 bitmap_clear(msi_data->used, hwirq, 1);
291 struct ls_scfg_msi *msi_data = msir->msi_data;
297 for (i = 0; i < msi_data->cfg->msir_irqs; i++) {
298 hwirq = i << msi_data->cfg->ibs_shift | msir->index;
299 bitmap_set(msi_data->used, hwirq, 1);
340 struct ls_scfg_msi *msi_data;
348 msi_data = devm_kzalloc(&pdev->dev, sizeof(*msi_data), GFP_KERNEL);
349 if (!msi_data)
352 msi_data->cfg = (struct ls_scfg_msi_cfg *) match->data;
355 msi_data->regs = devm_ioremap_resource(&pdev->dev, res);
356 if (IS_ERR(msi_data->regs)) {
358 return PTR_ERR(msi_data->regs);
360 msi_data->msiir_addr = res->start;
362 msi_data->pdev = pdev;
363 spin_lock_init(&msi_data->lock);
365 msi_data->irqs_num = MSI_IRQS_PER_MSIR *
366 (1 << msi_data->cfg->ibs_shift);
367 msi_data->used = devm_kcalloc(&pdev->dev,
368 BITS_TO_LONGS(msi_data->irqs_num),
369 sizeof(*msi_data->used),
371 if (!msi_data->used)
377 bitmap_set(msi_data->used, 0, msi_data->irqs_num);
379 msi_data->msir_num = of_irq_count(pdev->dev.of_node);
385 if (msi_data->msir_num >= cpu_num)
386 msi_data->msir_num = cpu_num;
391 msi_data->msir = devm_kcalloc(&pdev->dev, msi_data->msir_num,
392 sizeof(*msi_data->msir),
394 if (!msi_data->msir)
397 for (i = 0; i < msi_data->msir_num; i++)
398 ls_scfg_msi_setup_hwirq(msi_data, i);
400 ret = ls_scfg_msi_domains_init(msi_data);
404 platform_set_drvdata(pdev, msi_data);
411 struct ls_scfg_msi *msi_data = platform_get_drvdata(pdev);
414 for (i = 0; i < msi_data->msir_num; i++)
415 ls_scfg_msi_teardown_hwirq(&msi_data->msir[i]);
417 irq_domain_remove(msi_data->msi_domain);
418 irq_domain_remove(msi_data->parent);