diff options
Diffstat (limited to 'src/drivers/lenovo')
| -rw-r--r-- | src/drivers/lenovo/Kconfig | 12 | ||||
| -rw-r--r-- | src/drivers/lenovo/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/drivers/lenovo/hybrid_graphics.c | 114 |
3 files changed, 0 insertions, 127 deletions
diff --git a/src/drivers/lenovo/Kconfig b/src/drivers/lenovo/Kconfig index 38b86da3aa..f20f3b2229 100644 --- a/src/drivers/lenovo/Kconfig +++ b/src/drivers/lenovo/Kconfig @@ -27,15 +27,3 @@ config DIGITIZER_ABSENT endchoice endif - -config DRIVERS_LENOVO_HYBRID_GRAPHICS - bool - default n - -config HYBRID_GRAPHICS_GPIO_NUM - depends on DRIVERS_LENOVO_HYBRID_GRAPHICS - int - default 52 - help - Set a default GPIO that sets the panel LVDS signal routing to - integrated or discrete GPU. diff --git a/src/drivers/lenovo/Makefile.inc b/src/drivers/lenovo/Makefile.inc index 66f8594bf9..c50db5b8be 100644 --- a/src/drivers/lenovo/Makefile.inc +++ b/src/drivers/lenovo/Makefile.inc @@ -1,2 +1 @@ ramstage-$(CONFIG_DRIVERS_LENOVO_WACOM) += wacom.c -ramstage-$(CONFIG_DRIVERS_LENOVO_HYBRID_GRAPHICS) += hybrid_graphics.c diff --git a/src/drivers/lenovo/hybrid_graphics.c b/src/drivers/lenovo/hybrid_graphics.c deleted file mode 100644 index 802823acdc..0000000000 --- a/src/drivers/lenovo/hybrid_graphics.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2015-2016 Patrick Rudolph - * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering - * - * 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. - */ - -#include <types.h> -#include <string.h> -#include <option.h> -#include <device/device.h> -#include <device/pci_def.h> -#include <device/pci_ops.h> -#include <device/pci_ids.h> -#include <device/pci.h> -#include <console/console.h> -#include <southbridge/intel/common/gpio.h> - -/* Hybrid graphics allows to connect LVDS interface to either iGPU - * or dGPU depending on GPIO level. - * Nvidia is calling this functionality "muxed Optimus". - * Some devices, like T430s, only support "muxless Optimus" where the - * Intel GPU is always connected to the panel. - * As it is only linked on lenovo and only executed if the GPU exists - * we know for sure that the dGPU is there and connected to first PEG slot. - * - * Note: Once native gfx init is done for AMD or Nvida graphic - * cards, merge this code. - */ - -#define HYBRID_GRAPHICS_INTEGRATED 0 -#define HYBRID_GRAPHICS_DISCRETE 1 - -static void hybrid_graphics_disable_peg(struct device *dev) -{ - struct device *peg_dev; - - /* connect LVDS interface to iGPU */ - set_gpio(CONFIG_HYBRID_GRAPHICS_GPIO_NUM, GPIO_LEVEL_HIGH); - printk(BIOS_DEBUG, "Hybrid graphics: Switching panel to integrated GPU.\n"); - dev->enabled = 0; - - /* Disable PEG10 */ - peg_dev = dev_find_slot(0, PCI_DEVFN(1, 0)); - if (peg_dev) - peg_dev->enabled = 0; - - printk(BIOS_DEBUG, "Hybrid graphics: Disabled PEG10.\n"); -} - -/* Called before VGA enable bits are set and only if dGPU - * is present. Enable/disable VGA devices here. */ -static void hybrid_graphics_enable_peg(struct device *dev) -{ - u8 hybrid_graphics_mode; - - hybrid_graphics_mode = HYBRID_GRAPHICS_INTEGRATED; - get_option(&hybrid_graphics_mode, "hybrid_graphics_mode"); - - if (hybrid_graphics_mode == HYBRID_GRAPHICS_DISCRETE) { - /* connect LVDS interface to dGPU */ - set_gpio(CONFIG_HYBRID_GRAPHICS_GPIO_NUM, GPIO_LEVEL_LOW); - printk(BIOS_DEBUG, "Hybrid graphics: Switching panel to discrete GPU.\n"); - dev->enabled = 1; - - /* Disable IGD */ - dev = dev_find_slot(0, PCI_DEVFN(2, 0)); - if (dev && dev->ops->disable) - dev->ops->disable(dev); - dev->enabled = 0; - - printk(BIOS_DEBUG, "Hybrid graphics: Disabled IGD.\n"); - } else - hybrid_graphics_disable_peg(dev); -} - -static struct pci_operations pci_dev_ops_pci = { - .set_subsystem = pci_dev_set_subsystem, -}; - -struct device_operations hybrid_graphics_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = pci_dev_init, - .scan_bus = 0, - .enable = hybrid_graphics_enable_peg, - .disable = hybrid_graphics_disable_peg, - .ops_pci = &pci_dev_ops_pci, -}; - -static const unsigned short pci_device_ids_nvidia[] = { - 0x0ffc, /* Nvidia NVS Quadro K1000m Lenovo W530 */ - 0x0def, /* NVidia NVS 5400m Lenovo T430/T530 */ - 0x0dfc, /* NVidia NVS 5200m Lenovo T430s */ - 0x1056, /* NVidia NVS 4200m Lenovo T420/T520 */ - 0x1057, /* NVidia NVS 4200m Lenovo T420/T520 */ - 0x0a6c, /* NVidia NVS 3100m Lenovo T410/T510 */ - 0 }; - -static const struct pci_driver hybrid_peg_nvidia __pci_driver = { - .ops = &hybrid_graphics_ops, - .vendor = PCI_VENDOR_ID_NVIDIA, - .devices = pci_device_ids_nvidia, -}; |