Lines Matching refs:wd
50 static inline u8 wd719x_readb(struct wd719x *wd, u8 reg)
52 return ioread8(wd->base + reg);
55 static inline u32 wd719x_readl(struct wd719x *wd, u8 reg)
57 return ioread32(wd->base + reg);
60 static inline void wd719x_writeb(struct wd719x *wd, u8 reg, u8 val)
62 iowrite8(val, wd->base + reg);
65 static inline void wd719x_writew(struct wd719x *wd, u8 reg, u16 val)
67 iowrite16(val, wd->base + reg);
70 static inline void wd719x_writel(struct wd719x *wd, u8 reg, u32 val)
72 iowrite32(val, wd->base + reg);
76 static inline int wd719x_wait_ready(struct wd719x *wd)
81 if (wd719x_readb(wd, WD719X_AMR_COMMAND) == WD719X_CMD_READY)
86 dev_err(&wd->pdev->dev, "command register is not ready: 0x%02x\n",
87 wd719x_readb(wd, WD719X_AMR_COMMAND));
93 static inline int wd719x_wait_done(struct wd719x *wd, int timeout)
98 status = wd719x_readb(wd, WD719X_AMR_INT_STATUS);
106 dev_err(&wd->pdev->dev, "direct command timed out\n");
111 u8 sue = wd719x_readb(wd, WD719X_AMR_SCB_ERROR);
118 dev_err(&wd->pdev->dev, "direct command failed, status 0x%02x, SUE 0x%02x\n",
126 static int wd719x_direct_cmd(struct wd719x *wd, u8 opcode, u8 dev, u8 lun,
132 wd719x_writeb(wd, WD719X_AMR_INT_STATUS, WD719X_INT_NONE);
135 if (wd719x_wait_ready(wd))
142 wd719x_writeb(wd, WD719X_AMR_CMD_PARAM, dev);
143 wd719x_writeb(wd, WD719X_AMR_CMD_PARAM_2, lun);
144 wd719x_writeb(wd, WD719X_AMR_CMD_PARAM_3, tag);
146 wd719x_writel(wd, WD719X_AMR_SCB_IN, data);
149 wd719x_writeb(wd, WD719X_AMR_INT_STATUS, WD719X_INT_NONE);
152 wd719x_writeb(wd, WD719X_AMR_COMMAND, opcode);
155 ret = wd719x_wait_done(wd, timeout);
159 wd719x_writeb(wd, WD719X_AMR_INT_STATUS, WD719X_INT_NONE);
164 static void wd719x_destroy(struct wd719x *wd)
167 if (wd719x_direct_cmd(wd, WD719X_CMD_SLEEP, 0, 0, 0, 0,
169 dev_warn(&wd->pdev->dev, "RISC sleep command failed\n");
171 wd719x_writeb(wd, WD719X_PCI_MODE_SELECT, 0);
173 WARN_ON_ONCE(!list_empty(&wd->active_scbs));
176 dma_free_coherent(&wd->pdev->dev, wd->fw_size, wd->fw_virt,
177 wd->fw_phys);
178 wd->fw_virt = NULL;
179 dma_free_coherent(&wd->pdev->dev, WD719X_HASH_TABLE_SIZE, wd->hash_virt,
180 wd->hash_phys);
181 wd->hash_virt = NULL;
182 dma_free_coherent(&wd->pdev->dev, sizeof(struct wd719x_host_param),
183 wd->params, wd->params_phys);
184 wd->params = NULL;
185 free_irq(wd->pdev->irq, wd);
192 struct wd719x *wd = shost_priv(cmd->device->host);
196 dma_unmap_single(&wd->pdev->dev, scb->phys,
199 dma_unmap_single(&wd->pdev->dev, scb->dma_handle,
212 struct wd719x *wd = shost_priv(sh);
224 scb->phys = dma_map_single(&wd->pdev->dev, scb, sizeof(*scb),
227 if (dma_mapping_error(&wd->pdev->dev, scb->phys))
232 scb->dma_handle = dma_map_single(&wd->pdev->dev, cmd->sense_buffer,
234 if (dma_mapping_error(&wd->pdev->dev, scb->dma_handle))
272 spin_lock_irqsave(wd->sh->host_lock, flags);
275 if (wd719x_readb(wd, WD719X_AMR_COMMAND) != WD719X_CMD_READY) {
276 spin_unlock_irqrestore(wd->sh->host_lock, flags);
280 list_add(&scb->list, &wd->active_scbs);
283 wd719x_writel(wd, WD719X_AMR_SCB_IN, scb->phys);
285 wd719x_writeb(wd, WD719X_AMR_COMMAND, WD719X_CMD_PROCESS_SCB);
287 spin_unlock_irqrestore(wd->sh->host_lock, flags);
291 dma_unmap_single(&wd->pdev->dev, scb->dma_handle,
294 dma_unmap_single(&wd->pdev->dev, scb->phys, sizeof(*scb),
302 static int wd719x_chip_init(struct wd719x *wd)
310 memset(wd->hash_virt, 0, WD719X_HASH_TABLE_SIZE);
313 ret = request_firmware(&fw_wcs, fwname_wcs, &wd->pdev->dev);
315 dev_err(&wd->pdev->dev, "Unable to load firmware %s: %d\n",
320 ret = request_firmware(&fw_risc, fwname_risc, &wd->pdev->dev);
322 dev_err(&wd->pdev->dev, "Unable to load firmware %s: %d\n",
327 wd->fw_size = ALIGN(fw_wcs->size, 4) + fw_risc->size;
329 if (!wd->fw_virt)
330 wd->fw_virt = dma_alloc_coherent(&wd->pdev->dev, wd->fw_size,
331 &wd->fw_phys, GFP_KERNEL);
332 if (!wd->fw_virt) {
338 memcpy(wd->fw_virt, fw_wcs->data, fw_wcs->size);
339 memcpy(wd->fw_virt + ALIGN(fw_wcs->size, 4), fw_risc->data,
343 wd719x_writeb(wd, WD719X_PCI_PORT_RESET, WD719X_PCI_RESET);
346 wd719x_writeb(wd, WD719X_AMR_CMD_PARAM, 0);
348 wd719x_writeb(wd, WD719X_PCI_MODE_SELECT, 0);
350 wd719x_writeb(wd, WD719X_AMR_COMMAND, 0);
351 if (wd719x_wait_ready(wd)) {
357 risc_init[0] = wd->fw_phys; /* WCS FW */
358 risc_init[1] = wd->fw_phys + ALIGN(fw_wcs->size, 4); /* RISC FW */
359 risc_init[2] = wd->hash_phys; /* hash table */
362 wd719x_writeb(wd, WD719X_PCI_CHANNEL2_3STATUS, 0);
365 wd719x_writel(wd, WD719X_PCI_EXTERNAL_ADDR, risc_init[1]);
367 wd719x_writew(wd, WD719X_PCI_INTERNAL_ADDR, WD719X_PRAM_BASE_ADDR);
369 wd719x_writew(wd, WD719X_PCI_DMA_TRANSFER_SIZE, 2048 * 2);
371 wd719x_writeb(wd, WD719X_PCI_CHANNEL2_3CMD, WD719X_START_CHANNEL2_3DMA);
376 u8 status = wd719x_readb(wd, WD719X_PCI_CHANNEL2_3STATUS);
380 dev_warn(&wd->pdev->dev, "RISC bootstrap failed: DMA aborted\n");
387 dev_warn(&wd->pdev->dev, "RISC bootstrap failed: DMA timeout\n");
394 wd719x_writel(wd, WD719X_AMR_SCB_IN, risc_init[0]);
395 wd719x_writel(wd, WD719X_AMR_SCB_IN + 4, risc_init[1]);
396 wd719x_writel(wd, WD719X_AMR_SCB_IN + 8, risc_init[2]);
399 wd719x_writeb(wd, WD719X_AMR_CMD_PARAM, WD719X_DISABLE_INT);
402 wd719x_writeb(wd, WD719X_AMR_COMMAND, WD719X_CMD_INIT_RISC);
404 wd719x_writeb(wd, WD719X_PCI_MODE_SELECT, WD719X_ENABLE_ADVANCE_MODE);
407 ret = wd719x_wait_done(wd, WD719X_WAIT_FOR_RISC);
409 wd719x_writeb(wd, WD719X_AMR_INT_STATUS, WD719X_INT_NONE);
411 dev_warn(&wd->pdev->dev, "Unable to initialize RISC\n");
417 ret = wd719x_direct_cmd(wd, WD719X_CMD_READ_FIRMVER, 0, 0, 0, 0,
420 dev_warn(&wd->pdev->dev, "Unable to read firmware version\n");
423 dev_info(&wd->pdev->dev, "RISC initialized with firmware version %.2x.%.2x\n",
424 wd719x_readb(wd, WD719X_AMR_SCB_OUT + 1),
425 wd719x_readb(wd, WD719X_AMR_SCB_OUT));
428 ret = wd719x_direct_cmd(wd, WD719X_CMD_BUSRESET, 0, 0, 0, 0,
431 dev_warn(&wd->pdev->dev, "SCSI bus reset failed\n");
436 ret = wd719x_direct_cmd(wd, WD719X_CMD_SET_PARAM, 0,
438 wd->params_phys, WD719X_WAIT_FOR_RISC);
440 dev_warn(&wd->pdev->dev, "Failed to set HOST PARAMETERS\n");
446 ret = wd719x_direct_cmd(wd, WD719X_CMD_INIT_SCAM, 0, 0, 0, 0,
449 dev_warn(&wd->pdev->dev, "SCAM initialization failed\n");
454 wd719x_writeb(wd, WD719X_AMR_BIOS_SHARE_INT, 0);
468 struct wd719x *wd = shost_priv(cmd->device->host);
469 struct device *dev = &wd->pdev->dev;
475 spin_lock_irqsave(wd->sh->host_lock, flags);
476 result = wd719x_direct_cmd(wd, action, cmd->device->id,
480 spin_unlock_irqrestore(wd->sh->host_lock, flags);
491 struct wd719x *wd = shost_priv(cmd->device->host);
494 dev_info(&wd->pdev->dev, "%s reset requested\n",
497 spin_lock_irqsave(wd->sh->host_lock, flags);
498 result = wd719x_direct_cmd(wd, opcode, device, 0, 0, 0,
501 list_for_each_entry_safe(scb, tmp, &wd->active_scbs, list) {
506 spin_unlock_irqrestore(wd->sh->host_lock, flags);
525 struct wd719x *wd = shost_priv(cmd->device->host);
529 dev_info(&wd->pdev->dev, "host reset requested\n");
530 spin_lock_irqsave(wd->sh->host_lock, flags);
532 if (wd719x_direct_cmd(wd, WD719X_CMD_SLEEP, 0, 0, 0, 0,
534 dev_warn(&wd->pdev->dev, "RISC sleep command failed\n");
536 wd719x_writeb(wd, WD719X_PCI_MODE_SELECT, 0);
539 list_for_each_entry_safe(scb, tmp, &wd->active_scbs, list)
541 spin_unlock_irqrestore(wd->sh->host_lock, flags);
544 return wd719x_chip_init(wd) == 0 ? SUCCESS : FAILED;
563 static inline void wd719x_interrupt_SCB(struct wd719x *wd,
575 dev_err(&wd->pdev->dev, "command rejected\n");
579 dev_err(&wd->pdev->dev, "SCB queue is full\n");
583 dev_dbg(&wd->pdev->dev, "SCB terminated by direct command\n");
589 dev_err(&wd->pdev->dev, "DMA abort\n");
594 dev_err(&wd->pdev->dev, "DMA parity error\n");
598 dev_dbg(&wd->pdev->dev, "selection timeout\n");
601 dev_dbg(&wd->pdev->dev, "bus reset occurred\n");
605 dev_dbg(&wd->pdev->dev, "SCSI bus error\n");
609 dev_err(&wd->pdev->dev, "wrong data transfer direction\n");
613 dev_err(&wd->pdev->dev, "invalid SCSI phase\n");
617 dev_err(&wd->pdev->dev, "record too long\n");
621 dev_err(&wd->pdev->dev, "unexpected bus free\n");
625 dev_dbg(&wd->pdev->dev, "auto request sense\n");
632 dev_err(&wd->pdev->dev, "target id %d ignored command\n",
637 dev_err(&wd->pdev->dev, "reversed tags\n");
641 dev_err(&wd->pdev->dev, "tag type not supported by target\n");
645 dev_err(&wd->pdev->dev, "no SCAM soft ID available\n");
649 dev_warn(&wd->pdev->dev, "unknown SUE error code: 0x%x\n",
660 struct wd719x *wd = dev_id;
665 spin_lock_irqsave(wd->sh->host_lock, flags);
667 SCB_out = wd719x_readl(wd, WD719X_AMR_SCB_OUT);
669 regs.all = cpu_to_le32(wd719x_readl(wd, WD719X_AMR_OP_CODE));
673 spin_unlock_irqrestore(wd->sh->host_lock, flags);
676 dev_err(&wd->pdev->dev, "linked command completed with no status\n");
679 dev_err(&wd->pdev->dev, "unsolicited interrupt\n");
688 list_for_each_entry(scb, &wd->active_scbs, list)
692 wd719x_interrupt_SCB(wd, regs, scb);
694 dev_err(&wd->pdev->dev, "card returned invalid SCB pointer\n");
696 dev_dbg(&wd->pdev->dev, "direct command 0x%x completed\n",
700 dev_err(&wd->pdev->dev, "card indicates PIO data ready but we never use PIO\n");
704 dev_err(&wd->pdev->dev, "unknown interrupt reason: %d\n",
709 wd719x_writeb(wd, WD719X_AMR_INT_STATUS, WD719X_INT_NONE);
710 spin_unlock_irqrestore(wd->sh->host_lock, flags);
717 struct wd719x *wd = eeprom->data;
718 u8 reg = wd719x_readb(wd, WD719X_PCI_GPIO_DATA);
725 struct wd719x *wd = eeprom->data;
735 wd719x_writeb(wd, WD719X_PCI_GPIO_DATA, reg);
739 static void wd719x_read_eeprom(struct wd719x *wd)
745 eeprom.data = wd;
751 wd719x_writeb(wd, WD719X_PCI_GPIO_DATA, 0);
753 gpio = wd719x_readb(wd, WD719X_PCI_GPIO_CONTROL);
758 wd719x_writeb(wd, WD719X_PCI_GPIO_CONTROL, gpio);
765 (u8 *)wd->params,
768 dev_warn(&wd->pdev->dev, "EEPROM signature is invalid (0x%02x 0x%02x), using default values\n",
770 wd->params->ch_1_th = 0x10; /* 16 DWs = 64 B */
771 wd->params->scsi_conf = 0x4c; /* 48ma, spue, parity check */
772 wd->params->own_scsi_id = 0x07; /* ID 7, SCAM disabled */
773 wd->params->sel_timeout = 0x4d; /* 250 ms */
774 wd->params->sleep_timer = 0x01;
775 wd->params->cdb_size = cpu_to_le16(0x5555); /* all 6 B */
776 wd->params->scsi_pad = 0x1b;
777 if (wd->type == WD719X_TYPE_7193) /* narrow card - disable */
778 wd->params->wide = cpu_to_le32(0x00000000);
780 wd->params->wide = cpu_to_le32(0xffffffff);
781 wd->params->sync = cpu_to_le32(0xffffffff);
782 wd->params->soft_mask = 0x00; /* all disabled */
783 wd->params->unsol_mask = 0x00; /* all disabled */
786 wd->params->tag_en = cpu_to_le16(0x0000);
790 static enum wd719x_card_type wd719x_detect_type(struct wd719x *wd)
792 u8 card = wd719x_readb(wd, WD719X_PCI_GPIO_CONTROL);
795 wd719x_writeb(wd, WD719X_PCI_GPIO_CONTROL, card);
796 card = wd719x_readb(wd, WD719X_PCI_GPIO_DATA) & WD719X_GPIO_ID_BITS;
805 dev_warn(&wd->pdev->dev, "unknown card type 0x%x\n", card);
812 struct wd719x *wd = shost_priv(sh);
818 INIT_LIST_HEAD(&wd->active_scbs);
820 sh->base = pci_resource_start(wd->pdev, 0);
822 wd->type = wd719x_detect_type(wd);
824 wd->sh = sh;
825 sh->irq = wd->pdev->irq;
826 wd->fw_virt = NULL;
829 wd->params = dma_alloc_coherent(&wd->pdev->dev,
831 &wd->params_phys, GFP_KERNEL);
832 if (!wd->params) {
833 dev_warn(&wd->pdev->dev, "unable to allocate parameter buffer\n");
838 wd->hash_virt = dma_alloc_coherent(&wd->pdev->dev,
840 &wd->hash_phys, GFP_KERNEL);
841 if (!wd->hash_virt) {
842 dev_warn(&wd->pdev->dev, "unable to allocate hash buffer\n");
847 ret = request_irq(wd->pdev->irq, wd719x_interrupt, IRQF_SHARED,
848 "wd719x", wd);
850 dev_warn(&wd->pdev->dev, "unable to assign IRQ %d\n",
851 wd->pdev->irq);
856 wd719x_read_eeprom(wd);
858 ret = wd719x_chip_init(wd);
862 sh->this_id = wd->params->own_scsi_id & WD719X_EE_SCSI_ID_MASK;
864 dev_info(&wd->pdev->dev, "%s at I/O 0x%lx, IRQ %u, SCSI ID %d\n",
865 card_types[wd->type], sh->base, sh->irq, sh->this_id);
870 free_irq(wd->pdev->irq, wd);
872 dma_free_coherent(&wd->pdev->dev, WD719X_HASH_TABLE_SIZE, wd->hash_virt,
873 wd->hash_phys);
875 dma_free_coherent(&wd->pdev->dev, sizeof(struct wd719x_host_param),
876 wd->params, wd->params_phys);
901 struct wd719x *wd;
927 wd = shost_priv(sh);
928 wd->base = pci_iomap(pdev, 0, 0);
929 if (!wd->base)
931 wd->pdev = pdev;
937 err = scsi_add_host(sh, &wd->pdev->dev);
947 wd719x_destroy(wd);
949 pci_iounmap(pdev, wd->base);
964 struct wd719x *wd = shost_priv(sh);
967 wd719x_destroy(wd);
968 pci_iounmap(pdev, wd->base);