Lines Matching refs:ipa
29 const struct ipa_mem *ipa_mem_find(struct ipa *ipa, enum ipa_mem_id mem_id) in ipa_mem_find() argument
33 for (i = 0; i < ipa->mem_count; i++) { in ipa_mem_find()
34 const struct ipa_mem *mem = &ipa->mem[i]; in ipa_mem_find()
47 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_mem_zero_region_add() local
48 const struct ipa_mem *mem = ipa_mem_find(ipa, mem_id); in ipa_mem_zero_region_add()
49 dma_addr_t addr = ipa->zero_addr; in ipa_mem_zero_region_add()
75 int ipa_mem_setup(struct ipa *ipa) in ipa_mem_setup() argument
77 dma_addr_t addr = ipa->zero_addr; in ipa_mem_setup()
87 trans = ipa_cmd_trans_alloc(ipa, 4); in ipa_mem_setup()
89 dev_err(&ipa->pdev->dev, "no transaction for memory setup\n"); in ipa_mem_setup()
97 mem = ipa_mem_find(ipa, IPA_MEM_MODEM_HEADER); in ipa_mem_setup()
100 mem = ipa_mem_find(ipa, IPA_MEM_AP_HEADER); in ipa_mem_setup()
113 mem = ipa_mem_find(ipa, IPA_MEM_MODEM_PROC_CTX); in ipa_mem_setup()
114 offset = ipa->mem_offset + mem->offset; in ipa_mem_setup()
115 val = proc_cntxt_base_addr_encoded(ipa->version, offset); in ipa_mem_setup()
116 iowrite32(val, ipa->reg_virt + IPA_REG_LOCAL_PKT_PROC_CNTXT_OFFSET); in ipa_mem_setup()
122 static bool ipa_mem_id_valid(struct ipa *ipa, enum ipa_mem_id mem_id) in ipa_mem_id_valid() argument
124 enum ipa_version version = ipa->version; in ipa_mem_id_valid()
177 static bool ipa_mem_id_required(struct ipa *ipa, enum ipa_mem_id mem_id) in ipa_mem_id_required() argument
199 return ipa->version >= IPA_VERSION_4_0; in ipa_mem_id_required()
206 static bool ipa_mem_valid_one(struct ipa *ipa, const struct ipa_mem *mem) in ipa_mem_valid_one() argument
208 struct device *dev = &ipa->pdev->dev; in ipa_mem_valid_one()
213 if (!ipa_mem_id_valid(ipa, mem_id)) { in ipa_mem_valid_one()
242 static bool ipa_mem_valid(struct ipa *ipa, const struct ipa_mem_data *mem_data) in ipa_mem_valid() argument
245 struct device *dev = &ipa->pdev->dev; in ipa_mem_valid()
264 if (!ipa_mem_valid_one(ipa, mem)) in ipa_mem_valid()
272 if (ipa_mem_id_required(ipa, mem_id)) in ipa_mem_valid()
281 static bool ipa_mem_size_valid(struct ipa *ipa) in ipa_mem_size_valid() argument
283 struct device *dev = &ipa->pdev->dev; in ipa_mem_size_valid()
284 u32 limit = ipa->mem_size; in ipa_mem_size_valid()
287 for (i = 0; i < ipa->mem_count; i++) { in ipa_mem_size_valid()
288 const struct ipa_mem *mem = &ipa->mem[i]; in ipa_mem_size_valid()
308 int ipa_mem_config(struct ipa *ipa) in ipa_mem_config() argument
310 struct device *dev = &ipa->pdev->dev; in ipa_mem_config()
319 val = ioread32(ipa->reg_virt + IPA_REG_SHARED_MEM_SIZE_OFFSET); in ipa_mem_config()
322 ipa->mem_offset = 8 * u32_get_bits(val, SHARED_MEM_BADDR_FMASK); in ipa_mem_config()
327 if (ipa->mem_offset + mem_size < ipa->mem_size) { in ipa_mem_config()
330 ipa->mem_size = mem_size; in ipa_mem_config()
331 } else if (ipa->mem_offset + mem_size > ipa->mem_size) { in ipa_mem_config()
337 if (!ipa_mem_size_valid(ipa)) in ipa_mem_config()
344 ipa->zero_addr = addr; in ipa_mem_config()
345 ipa->zero_virt = virt; in ipa_mem_config()
346 ipa->zero_size = IPA_MEM_MAX; in ipa_mem_config()
351 for (i = 0; i < ipa->mem_count; i++) { in ipa_mem_config()
352 u16 canary_count = ipa->mem[i].canary_count; in ipa_mem_config()
359 canary = ipa->mem_virt + ipa->mem_offset + ipa->mem[i].offset; in ipa_mem_config()
366 if (!ipa_table_valid(ipa)) in ipa_mem_config()
370 if (!ipa_cmd_data_valid(ipa)) in ipa_mem_config()
374 mem = ipa_mem_find(ipa, IPA_MEM_UC_EVENT_RING); in ipa_mem_config()
383 dma_free_coherent(dev, IPA_MEM_MAX, ipa->zero_virt, ipa->zero_addr); in ipa_mem_config()
389 void ipa_mem_deconfig(struct ipa *ipa) in ipa_mem_deconfig() argument
391 struct device *dev = &ipa->pdev->dev; in ipa_mem_deconfig()
393 dma_free_coherent(dev, ipa->zero_size, ipa->zero_virt, ipa->zero_addr); in ipa_mem_deconfig()
394 ipa->zero_size = 0; in ipa_mem_deconfig()
395 ipa->zero_virt = NULL; in ipa_mem_deconfig()
396 ipa->zero_addr = 0; in ipa_mem_deconfig()
409 int ipa_mem_zero_modem(struct ipa *ipa) in ipa_mem_zero_modem() argument
416 trans = ipa_cmd_trans_alloc(ipa, 3); in ipa_mem_zero_modem()
418 dev_err(&ipa->pdev->dev, in ipa_mem_zero_modem()
448 static int ipa_imem_init(struct ipa *ipa, unsigned long addr, size_t size) in ipa_imem_init() argument
450 struct device *dev = &ipa->pdev->dev; in ipa_imem_init()
474 ipa->imem_iova = iova; in ipa_imem_init()
475 ipa->imem_size = size; in ipa_imem_init()
480 static void ipa_imem_exit(struct ipa *ipa) in ipa_imem_exit() argument
485 if (!ipa->imem_size) in ipa_imem_exit()
488 dev = &ipa->pdev->dev; in ipa_imem_exit()
493 size = iommu_unmap(domain, ipa->imem_iova, ipa->imem_size); in ipa_imem_exit()
494 if (size != ipa->imem_size) in ipa_imem_exit()
496 size, ipa->imem_size); in ipa_imem_exit()
501 ipa->imem_size = 0; in ipa_imem_exit()
502 ipa->imem_iova = 0; in ipa_imem_exit()
522 static int ipa_smem_init(struct ipa *ipa, u32 item, size_t size) in ipa_smem_init() argument
524 struct device *dev = &ipa->pdev->dev; in ipa_smem_init()
582 ipa->smem_iova = iova; in ipa_smem_init()
583 ipa->smem_size = size; in ipa_smem_init()
588 static void ipa_smem_exit(struct ipa *ipa) in ipa_smem_exit() argument
590 struct device *dev = &ipa->pdev->dev; in ipa_smem_exit()
597 size = iommu_unmap(domain, ipa->smem_iova, ipa->smem_size); in ipa_smem_exit()
598 if (size != ipa->smem_size) in ipa_smem_exit()
600 size, ipa->smem_size); in ipa_smem_exit()
606 ipa->smem_size = 0; in ipa_smem_exit()
607 ipa->smem_iova = 0; in ipa_smem_exit()
611 int ipa_mem_init(struct ipa *ipa, const struct ipa_mem_data *mem_data) in ipa_mem_init() argument
613 struct device *dev = &ipa->pdev->dev; in ipa_mem_init()
618 if (!ipa_mem_valid(ipa, mem_data)) in ipa_mem_init()
621 ipa->mem_count = mem_data->local_count; in ipa_mem_init()
622 ipa->mem = mem_data->local; in ipa_mem_init()
624 ret = dma_set_mask_and_coherent(&ipa->pdev->dev, DMA_BIT_MASK(64)); in ipa_mem_init()
630 res = platform_get_resource_byname(ipa->pdev, IORESOURCE_MEM, in ipa_mem_init()
638 ipa->mem_virt = memremap(res->start, resource_size(res), MEMREMAP_WC); in ipa_mem_init()
639 if (!ipa->mem_virt) { in ipa_mem_init()
644 ipa->mem_addr = res->start; in ipa_mem_init()
645 ipa->mem_size = resource_size(res); in ipa_mem_init()
647 ret = ipa_imem_init(ipa, mem_data->imem_addr, mem_data->imem_size); in ipa_mem_init()
651 ret = ipa_smem_init(ipa, mem_data->smem_id, mem_data->smem_size); in ipa_mem_init()
658 ipa_imem_exit(ipa); in ipa_mem_init()
660 memunmap(ipa->mem_virt); in ipa_mem_init()
666 void ipa_mem_exit(struct ipa *ipa) in ipa_mem_exit() argument
668 ipa_smem_exit(ipa); in ipa_mem_exit()
669 ipa_imem_exit(ipa); in ipa_mem_exit()
670 memunmap(ipa->mem_virt); in ipa_mem_exit()