| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #include <arch/io.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_def.h> |
| #include <device/pci_ids.h> |
| #include <reg_script.h> |
| |
| #include <soc/intel/common/hda_verb.h> |
| #include <baytrail/iomap.h> |
| #include <baytrail/iosf.h> |
| #include <baytrail/pci_devs.h> |
| #include <baytrail/ramstage.h> |
| |
| static const struct reg_script init_ops[] = { |
| /* Enable no snoop traffic. */ |
| REG_PCI_OR16(0x78, 1 << 11), |
| /* Configure HDMI codec connection. */ |
| REG_PCI_OR32(0xc4, 1 << 1), |
| REG_PCI_OR8(0x43, (1 << 3) | (1 << 6)), |
| REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xc0), |
| REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0x00), |
| /* Configure internal settings. */ |
| REG_PCI_OR32(0xc0, 0x7 << 21), |
| REG_PCI_OR32(0xc4, (0x3 << 26) | (1 << 13) | (1 << 10)), |
| REG_PCI_WRITE32(0xc8, 0x82a30000), |
| REG_PCI_RMW32(0xd0, ~(1 << 31), 0x0), |
| /* Disable docking. */ |
| REG_PCI_RMW8(0x4d, ~(1 << 7), 0), |
| REG_SCRIPT_END, |
| }; |
| |
| static const uint32_t hdmi_codec_verb_table[] = { |
| /* coreboot specific header */ |
| 0x80862882, /* vid did for hdmi codec */ |
| 0x00000000, /* subsystem id */ |
| 0x00000003, /* number of jacks */ |
| |
| /* pin widget 5 - port B */ |
| 0x20471c10, |
| 0x20471d00, |
| 0x20471e56, |
| 0x20471f18, |
| |
| /* pin widget 6 - port C */ |
| 0x20571c20, |
| 0x20571d00, |
| 0x20571e56, |
| 0x20571f18, |
| |
| /* pin widget 7 - port D */ |
| 0x20671c30, |
| 0x20671d00, |
| 0x20671e56, |
| 0x20671f58, |
| }; |
| |
| static void hda_init(device_t dev) |
| { |
| struct resource *res; |
| int codec_mask; |
| int i; |
| u8 *base; |
| |
| reg_script_run_on_dev(dev, init_ops); |
| |
| res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| if (res == NULL) |
| return; |
| |
| base = res2mmio(res, 0, 0); |
| codec_mask = hda_codec_detect(base); |
| |
| printk(BIOS_DEBUG, "codec mask = %x\n", codec_mask); |
| if (!codec_mask) |
| return; |
| |
| for (i = 3; i >= 0; i--) { |
| if (!((1 << i) & codec_mask)) |
| continue; |
| hda_codec_init(base, i, sizeof(hdmi_codec_verb_table), |
| hdmi_codec_verb_table); |
| } |
| } |
| |
| static const struct device_operations device_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = hda_init, |
| .enable = NULL, |
| .scan_bus = NULL, |
| .ops_pci = &soc_pci_ops, |
| }; |
| |
| static const struct pci_driver southcluster __pci_driver = { |
| .ops = &device_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = HDA_DEVID, |
| }; |