| 1 | /*
|
|---|
| 2 | * Copyright (c) 2017 Ondrej Hlavaty
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup drvusbxhci
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /** @file
|
|---|
| 33 | * @brief The host controller data bookkeeping.
|
|---|
| 34 | */
|
|---|
| 35 |
|
|---|
| 36 | #include <errno.h>
|
|---|
| 37 | #include <usb/debug.h>
|
|---|
| 38 | #include "debug.h"
|
|---|
| 39 | #include "hc.h"
|
|---|
| 40 |
|
|---|
| 41 | int xhci_hc_gen_irq_code(irq_code_t *code, const hw_res_list_parsed_t *hw_res)
|
|---|
| 42 | {
|
|---|
| 43 | assert(code);
|
|---|
| 44 | assert(hw_res);
|
|---|
| 45 |
|
|---|
| 46 | usb_log_debug("Gen IRQ code, got %zu IRQs, %zu DMA chs, %zu mem rngs, %zu IO rngs",
|
|---|
| 47 | hw_res->irqs.count,
|
|---|
| 48 | hw_res->dma_channels.count,
|
|---|
| 49 | hw_res->mem_ranges.count,
|
|---|
| 50 | hw_res->io_ranges.count);
|
|---|
| 51 |
|
|---|
| 52 | if (hw_res->irqs.count != 1
|
|---|
| 53 | || hw_res->dma_channels.count != 0
|
|---|
| 54 | || hw_res->mem_ranges.count != 1
|
|---|
| 55 | || hw_res->io_ranges.count != 0) {
|
|---|
| 56 | usb_log_debug("Unexpected HW resources, bailing out.");
|
|---|
| 57 | return EINVAL;
|
|---|
| 58 | }
|
|---|
| 59 |
|
|---|
| 60 | addr_range_t mmio_range = hw_res->mem_ranges.ranges[0];
|
|---|
| 61 |
|
|---|
| 62 | usb_log_debug("Memory mapped regs at %p (size %zu), IRQ %d.\n",
|
|---|
| 63 | RNGABSPTR(mmio_range), RNGSZ(mmio_range), hw_res->irqs.irqs[0]);
|
|---|
| 64 |
|
|---|
| 65 | xhci_cap_regs_t *cap_regs = NULL;
|
|---|
| 66 | int ret = pio_enable_range(&mmio_range, (void **)&cap_regs);
|
|---|
| 67 | if (ret != EOK)
|
|---|
| 68 | return ret;
|
|---|
| 69 |
|
|---|
| 70 | xhci_dump_cap_regs(cap_regs);
|
|---|
| 71 |
|
|---|
| 72 | /*
|
|---|
| 73 | * XHCI uses an Interrupter mechanism. Possibly, we want to set it up here.
|
|---|
| 74 | */
|
|---|
| 75 | code->rangecount = 0;
|
|---|
| 76 | code->ranges = NULL;
|
|---|
| 77 | code->cmdcount = 0;
|
|---|
| 78 | code->cmds = NULL;
|
|---|
| 79 |
|
|---|
| 80 | return EOK;
|
|---|
| 81 | }
|
|---|
| 82 |
|
|---|
| 83 | int xhci_hc_status(hcd_t *hcd, uint32_t *status)
|
|---|
| 84 | {
|
|---|
| 85 | usb_log_info("status");
|
|---|
| 86 | return ENOTSUP;
|
|---|
| 87 | }
|
|---|
| 88 |
|
|---|
| 89 | int xhci_hc_schedule(hcd_t *hcd, usb_transfer_batch_t *batch)
|
|---|
| 90 | {
|
|---|
| 91 | usb_log_info("schedule");
|
|---|
| 92 | return ENOTSUP;
|
|---|
| 93 | }
|
|---|
| 94 |
|
|---|
| 95 | void xhci_hc_interrupt(hcd_t *hcd, uint32_t status)
|
|---|
| 96 | {
|
|---|
| 97 | usb_log_info("Interrupted!");
|
|---|
| 98 | }
|
|---|
| 99 |
|
|---|
| 100 |
|
|---|
| 101 | /**
|
|---|
| 102 | * @}
|
|---|
| 103 | */
|
|---|
