scpi/aml-scpi-s912/aml-mailbox.c

5 #include "aml-mailbox.h"
6 #include "aml-mailbox-hw.h"
15         readl((uint32_t*)mailbox->mmio_mailbox_payload.vaddr + (offset))
17         writel(value, (uint32_t*)mailbox->mmio_mailbox_payload.vaddr + (offset))
19         readl((uint32_t*)mailbox->mmio_mailbox.vaddr + (offset))
21         writel(value, (uint32_t*)mailbox->mmio_mailbox.vaddr + (offset))
39     aml_mailbox_t* mailbox = ctx;
46                                 aml_get_rx_mailbox(channel->mailbox))) {
50     mtx_lock(&mailbox->mailbox_chan_lock[channel->mailbox]);
52     aml_mailbox_block_t* tx_mailbox = &vim2_mailbox_block[channel->mailbox];
66     zx_status_t status = zx_interrupt_wait(mailbox->inth[rx_mailbox_id], NULL);
69         mtx_unlock(&mailbox->mailbox_chan_lock[channel->mailbox]);
85     mtx_unlock(&mailbox->mailbox_chan_lock[channel->mailbox]);
90     aml_mailbox_t* mailbox = ctx;
91     mmio_buffer_release(&mailbox->mmio_mailbox);
92     mmio_buffer_release(&mailbox->mmio_mailbox_payload);
94         zx_interrupt_destroy(mailbox->inth[i]);
95         zx_handle_close(mailbox->inth[i]);
97     free(mailbox);
112     aml_mailbox_t* mailbox = calloc(1, sizeof(aml_mailbox_t));
113     if (!mailbox) {
117     status = device_get_protocol(parent, ZX_PROTOCOL_PLATFORM_DEV, &mailbox->pdev);
124     status = pdev_get_device_info(&mailbox->pdev, &info);
131     status = pdev_map_mmio_buffer2(&mailbox->pdev, MMIO_MAILBOX,
133                                   &mailbox->mmio_mailbox);
135         MAILBOX_ERROR("Could not map mailbox MMIO_MAILBOX %d\n", status);
139     status = pdev_map_mmio_buffer2(&mailbox->pdev, MMIO_MAILBOX_PAYLOAD,
141                                   &mailbox->mmio_mailbox_payload);
143         MAILBOX_ERROR("Could not map mailbox MMIO_MAILBOX_PAYLOAD %d\n", status);
148         status = pdev_map_interrupt(&mailbox->pdev, i,
149                                     &mailbox->inth[i]);
155         mtx_init(&mailbox->mailbox_chan_lock[i], mtx_plain);
166         .name = "aml-mailbox",
167         .ctx = mailbox,
175     status = pdev_device_add(&mailbox->pdev, 0, &args, NULL);
182     aml_mailbox_release(mailbox);