diff options
Diffstat (limited to 'src/southbridge/nvidia/mcp55/mcp55_aza.c')
| -rw-r--r-- | src/southbridge/nvidia/mcp55/mcp55_aza.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/src/southbridge/nvidia/mcp55/mcp55_aza.c b/src/southbridge/nvidia/mcp55/mcp55_aza.c new file mode 100644 index 0000000000..e39454e90a --- /dev/null +++ b/src/southbridge/nvidia/mcp55/mcp55_aza.c @@ -0,0 +1,267 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2004 Tyan Computer + * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. + * Copyright (C) 2006,2007 AMD + * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <arch/io.h> +#include "mcp55.h" + +static int set_bits(uint8_t *port, uint32_t mask, uint32_t val) +{ + uint32_t dword; + int count; + + val &= mask; + dword = readl(port); + dword &= ~mask; + dword |= val; + writel(dword, port); + + count = 50; + do { + dword = readl(port); + dword &= mask; + udelay(100); + } while ((dword != val) && --count); + + if(!count) return -1; + + udelay(540); + return 0; + +} + +static int codec_detect(uint8_t *base) +{ + uint32_t dword; + + /* 1 */ + set_bits(base + 0x08, 1, 1); + + /* 2 */ + dword = readl(base + 0x0e); + dword |= 7; + writel(dword, base + 0x0e); + + /* 3 */ + set_bits(base + 0x08, 1, 0); + + /* 4 */ + set_bits(base + 0x08, 1, 1); + + /* 5 */ + dword = readl(base + 0xe); + dword &= 7; + + /* 6 */ + if(!dword) { + set_bits(base + 0x08, 1, 0); + printk_debug("No codec!\n"); + return 0; + } + return dword; + +} + +static uint32_t verb_data[] = { +#if 0 + 0x00172001, + 0x001721e6, + 0x00172200, + 0x00172300, +#endif + + 0x01471c10, + 0x01471d44, + 0x01471e01, + 0x01471f01, +//1 + 0x01571c12, + 0x01571d14, + 0x01571e01, + 0x01571f01, +//2 + 0x01671c11, + 0x01671d60, + 0x01671e01, + 0x01671f01, +//3 + 0x01771c14, + 0x01771d20, + 0x01771e01, + 0x01771f01, +//4 + 0x01871c30, + 0x01871d9c, + 0x01871ea1, + 0x01871f01, +//5 + 0x01971c40, + 0x01971d9c, + 0x01971ea1, + 0x01971f02, +//6 + 0x01a71c31, + 0x01a71d34, + 0x01a71e81, + 0x01a71f01, +//7 + 0x01b71c1f, + 0x01b71d44, + 0x01b71e21, + 0x01b71f02, +//8 + 0x01c71cf0, + 0x01c71d11, + 0x01c71e11, + 0x01c71f41, +//9 + 0x01d71c3e, + 0x01d71d01, + 0x01d71e83, + 0x01d71f99, +//10 + 0x01e71c20, + 0x01e71d41, + 0x01e71e45, + 0x01e71f01, +//11 + 0x01f71c50, + 0x01f71d91, + 0x01f71ec5, + 0x01f71f01, +}; + +static unsigned find_verb(uint32_t viddid, uint32_t **verb) +{ + if(viddid != 0x10ec0880) return 0; + *verb = (uint32_t *)verb_data; + return sizeof(verb_data)/sizeof(uint32_t); +} + + +static void codec_init(uint8_t *base, int addr) +{ + uint32_t dword; + uint32_t *verb; + unsigned verb_size; + int i; + + /* 1 */ + do { + dword = readl(base + 0x68); + } while (dword & 1); + + dword = (addr<<28) | 0x000f0000; + writel(dword, base + 0x60); + + do { + dword = readl(base + 0x68); + } while ((dword & 3)!=2); + + dword = readl(base + 0x64); + + /* 2 */ + printk_debug("codec viddid: %08x\n", dword); + verb_size = find_verb(dword, &verb); + + if(!verb_size) { + printk_debug("No verb!\n"); + return; + } + + printk_debug("verb_size: %d\n", verb_size); + /* 3 */ + for(i=0; i<verb_size; i++) { + do { + dword = readl(base + 0x68); + } while (dword & 1); + + writel(verb[i], base + 0x60); + + do { + dword = readl(base + 0x68); + } while ((dword & 3) != 2); + } + printk_debug("verb loaded!\n"); +} + +static void codecs_init(uint8_t *base, uint32_t codec_mask) +{ + int i; + for(i=2; i>=0; i--) { + if( codec_mask & (1<<i) ) + codec_init(base, i); + } +} + +static void aza_init(struct device *dev) +{ + uint8_t *base; + struct resource *res; + uint32_t codec_mask; + + res = find_resource(dev, 0x10); + if(!res) + return; + + base =(uint8_t *) res->base; + printk_debug("base = %08x\n", base); + + codec_mask = codec_detect(base); + + if(codec_mask) { + printk_debug("codec_mask = %02x\n", codec_mask); + codecs_init(base, codec_mask); + } +} + +static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + pci_write_config32(dev, 0x40, + ((device & 0xffff) << 16) | (vendor & 0xffff)); +} + +static struct pci_operations lops_pci = { + .set_subsystem = lpci_set_subsystem, +}; + +static struct device_operations aza_audio_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, +// .enable = mcp55_enable, + .init = aza_init, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static struct pci_driver azaaudio_driver __pci_driver = { + .ops = &aza_audio_ops, + .vendor = PCI_VENDOR_ID_NVIDIA, + .device = PCI_DEVICE_ID_NVIDIA_MCP55_AZA, +}; + |