Example #1
0
static int
hdspe_attach(device_t dev)
{
	struct sc_info *sc;
	struct sc_pcminfo *scp;
	struct hdspe_channel *chan_map;
	uint32_t rev;
	int i, err;

#if 0
	device_printf(dev, "hdspe_attach()\n");
#endif

	set_pci_config(dev);

	sc = device_get_softc(dev);
	sc->lock = snd_mtxcreate(device_get_nameunit(dev),
	    "snd_hdspe softc");
	sc->dev = dev;

	rev = pci_get_revid(dev);
	switch (rev) {
	case PCI_REVISION_AIO:
		sc->type = AIO;
		chan_map = chan_map_aio;
		break;
	case PCI_REVISION_RAYDAT:
		sc->type = RAYDAT;
		chan_map = chan_map_rd;
		break;
	default:
		return ENXIO;
	}

	/* Allocate resources. */
	err = hdspe_alloc_resources(sc);
	if (err) {
		device_printf(dev, "Unable to allocate system resources.\n");
		return ENXIO;
	}

	if (hdspe_init(sc) != 0)
		return ENXIO;

	for (i = 0; i < HDSPE_MAX_CHANS && chan_map[i].descr != NULL; i++) {
		scp = malloc(sizeof(struct sc_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
		scp->hc = &chan_map[i];
		scp->sc = sc;
		scp->dev = device_add_child(dev, "pcm", -1);
		device_set_ivars(scp->dev, scp);
	}

	hdspe_map_dmabuf(sc);

	return (bus_generic_attach(dev));
}
Example #2
0
status_t
intel_extreme_init(intel_info &info)
{
    CALLED();
    info.aperture = gGART->map_aperture(info.pci->bus, info.pci->device,
                                        info.pci->function, 0, &info.aperture_base);
    if (info.aperture < B_OK) {
        ERROR("error: could not map GART aperture!\n");
        return info.aperture;
    }

    AreaKeeper sharedCreator;
    info.shared_area = sharedCreator.Create("intel extreme shared info",
                                            (void**)&info.shared_info, B_ANY_KERNEL_ADDRESS,
                                            ROUND_TO_PAGE_SIZE(sizeof(intel_shared_info)) + 3 * B_PAGE_SIZE,
                                            B_FULL_LOCK, 0);
    if (info.shared_area < B_OK) {
        ERROR("error: could not create shared area!\n");
        gGART->unmap_aperture(info.aperture);
        return info.shared_area;
    }

    memset((void*)info.shared_info, 0, sizeof(intel_shared_info));

    int fbIndex = 0;
    int mmioIndex = 1;
    if (info.device_type.InFamily(INTEL_TYPE_9xx)) {
        // For some reason Intel saw the need to change the order of the
        // mappings with the introduction of the i9xx family
        mmioIndex = 0;
        fbIndex = 2;
    }

    // evaluate driver settings, if any

    bool hardwareCursor;
    read_settings(hardwareCursor);

    // memory mapped I/O

    // TODO: registers are mapped twice (by us and intel_gart), maybe we
    // can share it between the drivers

    AreaKeeper mmioMapper;
    info.registers_area = mmioMapper.Map("intel extreme mmio",
                                         info.pci->u.h0.base_registers[mmioIndex],
                                         info.pci->u.h0.base_register_sizes[mmioIndex],
                                         B_ANY_KERNEL_ADDRESS, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA,
                                         (void**)&info.registers);
    if (mmioMapper.InitCheck() < B_OK) {
        ERROR("error: could not map memory I/O!\n");
        gGART->unmap_aperture(info.aperture);
        return info.registers_area;
    }

    uint32* blocks = info.shared_info->register_blocks;
    blocks[REGISTER_BLOCK(REGS_FLAT)] = 0;

    // setup the register blocks for the different architectures
    if (info.device_type.HasPlatformControlHub()) {
        // PCH based platforms (IronLake and up)
        blocks[REGISTER_BLOCK(REGS_NORTH_SHARED)]
            = PCH_NORTH_SHARED_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_NORTH_PIPE_AND_PORT)]
            = PCH_NORTH_PIPE_AND_PORT_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_NORTH_PLANE_CONTROL)]
            = PCH_NORTH_PLANE_CONTROL_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_SOUTH_SHARED)]
            = PCH_SOUTH_SHARED_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_SOUTH_TRANSCODER_PORT)]
            = PCH_SOUTH_TRANSCODER_AND_PORT_REGISTER_BASE;
    } else {
        // (G)MCH/ICH based platforms
        blocks[REGISTER_BLOCK(REGS_NORTH_SHARED)]
            = MCH_SHARED_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_NORTH_PIPE_AND_PORT)]
            = MCH_PIPE_AND_PORT_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_NORTH_PLANE_CONTROL)]
            = MCH_PLANE_CONTROL_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_SOUTH_SHARED)]
            = ICH_SHARED_REGISTER_BASE;
        blocks[REGISTER_BLOCK(REGS_SOUTH_TRANSCODER_PORT)]
            = ICH_PORT_REGISTER_BASE;
    }

    // make sure bus master, memory-mapped I/O, and frame buffer is enabled
    set_pci_config(info.pci, PCI_command, 2, get_pci_config(info.pci,
                   PCI_command, 2) | PCI_command_io | PCI_command_memory
                   | PCI_command_master);

    // reserve ring buffer memory (currently, this memory is placed in
    // the graphics memory), but this could bring us problems with
    // write combining...

    ring_buffer &primary = info.shared_info->primary_ring_buffer;
    if (intel_allocate_memory(info, 16 * B_PAGE_SIZE, 0, 0,
                              (addr_t*)&primary.base) == B_OK) {
        primary.register_base = INTEL_PRIMARY_RING_BUFFER;
        primary.size = 16 * B_PAGE_SIZE;
        primary.offset = (addr_t)primary.base - info.aperture_base;
    }

    // Enable clock gating
    intel_en_gating(info);

    // Enable automatic gpu downclocking if we can to save power
    intel_en_downclock(info);

    // no errors, so keep areas and mappings
    sharedCreator.Detach();
    mmioMapper.Detach();

    aperture_info apertureInfo;
    gGART->get_aperture_info(info.aperture, &apertureInfo);

    info.shared_info->registers_area = info.registers_area;
    info.shared_info->graphics_memory = (uint8*)info.aperture_base;
    info.shared_info->physical_graphics_memory = apertureInfo.physical_base;
    info.shared_info->graphics_memory_size = apertureInfo.size;
    info.shared_info->frame_buffer = 0;
    info.shared_info->dpms_mode = B_DPMS_ON;

    info.shared_info->got_vbt = get_lvds_mode_from_bios(
                                    &info.shared_info->current_mode);
    /* at least 855gm can't drive more than one head at time */
    if (info.device_type.InFamily(INTEL_TYPE_8xx))
        info.shared_info->single_head_locked = 1;

    if (info.device_type.InFamily(INTEL_TYPE_9xx)) {
        info.shared_info->pll_info.reference_frequency = 96000;	// 96 kHz
        info.shared_info->pll_info.max_frequency = 400000;
        // 400 MHz RAM DAC speed
        info.shared_info->pll_info.min_frequency = 20000;		// 20 MHz
    } else {
        info.shared_info->pll_info.reference_frequency = 48000;	// 48 kHz
        info.shared_info->pll_info.max_frequency = 350000;
        // 350 MHz RAM DAC speed
        info.shared_info->pll_info.min_frequency = 25000;		// 25 MHz
    }

    info.shared_info->pll_info.divisor_register = INTEL_DISPLAY_A_PLL_DIVISOR_0;

    info.shared_info->device_type = info.device_type;
#ifdef __HAIKU__
    strlcpy(info.shared_info->device_identifier, info.device_identifier,
            sizeof(info.shared_info->device_identifier));
#else
    strcpy(info.shared_info->device_identifier, info.device_identifier);
#endif

    // setup overlay registers

    status_t status = intel_allocate_memory(info, B_PAGE_SIZE, 0,
                                            intel_uses_physical_overlay(*info.shared_info)
                                            ? B_APERTURE_NEED_PHYSICAL : 0,
                                            (addr_t*)&info.overlay_registers,
                                            &info.shared_info->physical_overlay_registers);
    if (status == B_OK) {
        info.shared_info->overlay_offset = (addr_t)info.overlay_registers
                                           - info.aperture_base;
        init_overlay_registers(info.overlay_registers);
    } else {
        ERROR("error: could not allocate overlay memory! %s\n",
              strerror(status));
    }

    // Allocate hardware status page and the cursor memory

    if (intel_allocate_memory(info, B_PAGE_SIZE, 0, B_APERTURE_NEED_PHYSICAL,
                              (addr_t*)info.shared_info->status_page,
                              &info.shared_info->physical_status_page) == B_OK) {
        // TODO: set status page
    }
    if (hardwareCursor) {
        intel_allocate_memory(info, B_PAGE_SIZE, 0, B_APERTURE_NEED_PHYSICAL,
                              (addr_t*)&info.shared_info->cursor_memory,
                              &info.shared_info->physical_cursor_memory);
    }

    init_interrupt_handler(info);

    TRACE("%s: completed successfully!\n", __func__);
    return B_OK;
}