Edward O'Callaghan (eocallaghan@alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5239
-gerrit
commit 99d45c13c366652e7ddfe87ea096c02b884bcfe6 Author: Vladimir Serbinenko phcoder@gmail.com Date: Sat Feb 15 17:00:46 2014 +0100
lenovo/x60: Support digitizer on X60t and X201t.
Change-Id: I5b0399a8edca3b73aa7d515d2c446c31b3239fa5 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/drivers/Kconfig | 1 + src/drivers/Makefile.inc | 1 + src/drivers/lenovo/Kconfig | 29 ++++++ src/drivers/lenovo/Makefile.inc | 1 + src/drivers/lenovo/lenovo.h | 3 + src/drivers/lenovo/wacom.c | 176 ++++++++++++++++++++++++++++++++ src/mainboard/lenovo/Kconfig | 4 +- src/mainboard/lenovo/x201/Kconfig | 4 +- src/mainboard/lenovo/x201/acpi_tables.c | 2 + src/mainboard/lenovo/x201/devicetree.cb | 14 +++ src/mainboard/lenovo/x201/romstage.c | 2 +- src/mainboard/lenovo/x60/Kconfig | 3 +- src/mainboard/lenovo/x60/acpi_tables.c | 2 + src/mainboard/lenovo/x60/devicetree.cb | 7 +- 14 files changed, 242 insertions(+), 7 deletions(-)
diff --git a/src/drivers/Kconfig b/src/drivers/Kconfig index 874ec75..42d1583 100644 --- a/src/drivers/Kconfig +++ b/src/drivers/Kconfig @@ -26,6 +26,7 @@ source src/drivers/i2c/Kconfig source src/drivers/ics/Kconfig source src/drivers/intel/Kconfig source src/drivers/ipmi/Kconfig +source src/drivers/lenovo/Kconfig source src/drivers/maxim/Kconfig source src/drivers/parade/Kconfig if PC80_SYSTEM diff --git a/src/drivers/Makefile.inc b/src/drivers/Makefile.inc index 66fe7b8..cb26643 100644 --- a/src/drivers/Makefile.inc +++ b/src/drivers/Makefile.inc @@ -23,6 +23,7 @@ subdirs-y += emulation subdirs-y += generic subdirs-y += i2c subdirs-y += intel +subdirs-y += lenovo subdirs-y += maxim subdirs-y += net subdirs-y += parade diff --git a/src/drivers/lenovo/Kconfig b/src/drivers/lenovo/Kconfig new file mode 100644 index 0000000..30bacb9 --- /dev/null +++ b/src/drivers/lenovo/Kconfig @@ -0,0 +1,29 @@ +config DRIVERS_LENOVO_WACOM + bool + default n + +if DRIVERS_LENOVO_WACOM + +choice + prompt "Digitizer" + default DIGITIZER_AUTODETECT + +config DIGITIZER_AUTODETECT + bool "Autodetect" + help + The presence of digitizer is inferred from model number stored in + AT24RF chip. + +config DIGITIZER_PRESENT + bool "Present" + help + The digitizer is assumed to be present. + +config DIGITIZER_ABSENT + bool "Absent" + help + The digitizer is assumed to be absent. + +endchoice + +endif diff --git a/src/drivers/lenovo/Makefile.inc b/src/drivers/lenovo/Makefile.inc new file mode 100644 index 0000000..c50db5b --- /dev/null +++ b/src/drivers/lenovo/Makefile.inc @@ -0,0 +1 @@ +ramstage-$(CONFIG_DRIVERS_LENOVO_WACOM) += wacom.c diff --git a/src/drivers/lenovo/lenovo.h b/src/drivers/lenovo/lenovo.h new file mode 100644 index 0000000..4c44119 --- /dev/null +++ b/src/drivers/lenovo/lenovo.h @@ -0,0 +1,3 @@ +int drivers_lenovo_is_wacom_present(void); +void drivers_lenovo_serial_ports_ssdt_generate(const char *scope, + int have_dock_serial); diff --git a/src/drivers/lenovo/wacom.c b/src/drivers/lenovo/wacom.c new file mode 100644 index 0000000..33a2879 --- /dev/null +++ b/src/drivers/lenovo/wacom.c @@ -0,0 +1,176 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Vladimir Serbinenko + * + * 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, or (at your + * option) any later version, 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 <types.h> +#include <console/console.h> +#include <arch/acpi.h> +#include <arch/acpigen.h> +#include <device/device.h> +#include <device/pnp.h> +#include <string.h> +#include "lenovo.h" +#include "drivers/i2c/at24rf08c/lenovo.h" + +static const char tablet_numbers[][5] = { + /* X60t. */ + "6363", "6364", "6365", "6366", + "6367", "6368", "7762", "7763", + "7764", "7767", "7768", "7769", + /* X201t. */ + "0053", "0831", "2985", "3093", + "3113", "3144", "3239", "4184", + "7448", "7449", "7450", "7453", + "2263", "2266", +}; + +int +drivers_lenovo_is_wacom_present(void) +{ + const char *pn; + int i; + static int result = -1; + device_t superio; + u8 sioid; + + if (result != -1) + return result; + + if (IS_ENABLED(CONFIG_DIGITIZER_PRESENT)) { + printk (BIOS_INFO, "Digitizer state forced as present\n"); + return (result = 1); + } + + if (IS_ENABLED(CONFIG_DIGITIZER_ABSENT)) { + printk (BIOS_INFO, "Digitizer state forced as absent\n"); + return (result = 0); + } + + superio = dev_find_slot_pnp (0x164e, 3); + if (!superio) { + printk (BIOS_INFO, "No Super I/O, skipping wacom\n"); + return (result = 0); + } + + /* Probe ID. */ + sioid = pnp_read_config(superio, 0x20); + if (sioid == 0xff) { + printk (BIOS_INFO, "Super I/O probe failed, skipping wacom\n"); + return (result = 0); + } + + pn = lenovo_mainboard_partnumber(); + if (!pn) + return (result = 0); + printk (BIOS_DEBUG, "Lenovo P/N is %s\n", pn); + for (i = 0; i < ARRAY_SIZE (tablet_numbers); i++) + if (memcmp (tablet_numbers[i], pn, 4) == 0) { + printk (BIOS_DEBUG, "Lenovo P/N %s is a tablet\n", pn); + return (result = 1); + } + printk (BIOS_DEBUG, "Lenovo P/N %s is not a tablet\n", pn); + return (result = 0); +} + +void +drivers_lenovo_serial_ports_ssdt_generate(const char *scope, + int have_dock_serial) +{ + int scopelen, devicelen, reslen, methodlen; + + scopelen = acpigen_write_scope(scope); + + if (drivers_lenovo_is_wacom_present()) { + /* Device op. */ + scopelen += acpigen_emit_byte(0x5b); + scopelen += acpigen_emit_byte(0x82); + devicelen = acpigen_write_len_f(); + devicelen += acpigen_emit_namestring("DTR"); + + devicelen += acpigen_write_name("_HID"); + devicelen += acpigen_emit_eisaid("WACF004"); + + devicelen += acpigen_write_name("_CRS"); + + reslen = acpigen_write_resourcetemplate_header(); + reslen += acpigen_write_io16(0x200, 0x200, 1, 8, 1); + reslen += acpigen_write_irq((1 << 5)); + + devicelen += reslen; + devicelen += acpigen_write_resourcetemplate_footer(reslen); + + /* method op */ + devicelen += acpigen_emit_byte(0x14); + methodlen = acpigen_write_len_f(); + methodlen += acpigen_emit_namestring("_STA"); + /* no fnarg */ + methodlen += acpigen_emit_byte(0x00); + /* return */ + methodlen += acpigen_emit_byte(0xa4); + methodlen += acpigen_write_byte(0xf); + + acpigen_patch_len(methodlen); + devicelen += methodlen; + + acpigen_patch_len(devicelen - 1); + scopelen += devicelen; + } + + if (have_dock_serial) { + /* Device op. */ + scopelen += acpigen_emit_byte(0x5b); + scopelen += acpigen_emit_byte(0x82); + devicelen = acpigen_write_len_f(); + devicelen += acpigen_emit_namestring("COMA"); + + devicelen += acpigen_write_name("_HID"); + devicelen += acpigen_emit_eisaid("PNP0501"); + devicelen += acpigen_write_name("_UID"); + /* Byte */ + devicelen += acpigen_write_byte(0x2); + + devicelen += acpigen_write_name("_CRS"); + + reslen = acpigen_write_resourcetemplate_header(); + reslen += acpigen_write_io16(0x3f8, 0x3f8, 1, 8, 1); + reslen += acpigen_write_irq(1 << 4); + + devicelen += reslen; + devicelen += acpigen_write_resourcetemplate_footer(reslen); + + /* method op */ + devicelen += acpigen_emit_byte(0x14); + methodlen = acpigen_write_len_f(); + methodlen += acpigen_emit_namestring("_STA"); + /* no fnarg */ + methodlen += acpigen_emit_byte(0x00); + /* return */ + methodlen += acpigen_emit_byte(0xa4); + methodlen += acpigen_write_byte(0xf); + acpigen_patch_len(methodlen); + + devicelen += methodlen; + + acpigen_patch_len(devicelen - 1); + scopelen += devicelen; + } + + acpigen_patch_len(scopelen - 1); +} diff --git a/src/mainboard/lenovo/Kconfig b/src/mainboard/lenovo/Kconfig index c1dec85..583efc8 100644 --- a/src/mainboard/lenovo/Kconfig +++ b/src/mainboard/lenovo/Kconfig @@ -4,7 +4,7 @@ choice prompt "Mainboard model"
config BOARD_LENOVO_X60 - bool "ThinkPad X60 / X60s" + bool "ThinkPad X60 / X60s / X60t" help The following X60 series ThinkPad machines have been verified to work correctly: @@ -13,7 +13,7 @@ config BOARD_LENOVO_X60 ThinkPad X60 (Model 1709)
config BOARD_LENOVO_X201 - bool "ThinkPad X201" + bool "ThinkPad X201 / X201s / X201t" help Lenovo X201 laptop. Consult wiki for details.
diff --git a/src/mainboard/lenovo/x201/Kconfig b/src/mainboard/lenovo/x201/Kconfig index 803ce65..c82971f 100644 --- a/src/mainboard/lenovo/x201/Kconfig +++ b/src/mainboard/lenovo/x201/Kconfig @@ -16,6 +16,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy select HAVE_ACPI_RESUME select MAINBOARD_HAS_NATIVE_VGA_INIT select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG + select SUPERIO_NSC_PC87382 + select DRIVERS_LENOVO_WACOM
config MAINBOARD_DIR string @@ -27,7 +29,7 @@ config MAINBOARD_PART_NUMBER
config MAINBOARD_VERSION string - default "ThinkPad X201" + default "ThinkPad X201 / X201s / X201t"
config MAINBOARD_VENDOR string diff --git a/src/mainboard/lenovo/x201/acpi_tables.c b/src/mainboard/lenovo/x201/acpi_tables.c index 165de0d..b6e99dd 100644 --- a/src/mainboard/lenovo/x201/acpi_tables.c +++ b/src/mainboard/lenovo/x201/acpi_tables.c @@ -31,6 +31,7 @@ #include <device/pci.h> #include <device/pci_ids.h> #include "southbridge/intel/ibexpeak/nvs.h" +#include "drivers/lenovo/lenovo.h"
extern const unsigned char AmlCode[]; #if CONFIG_HAVE_ACPI_SLIC @@ -93,6 +94,7 @@ unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) { generate_cpu_entries(); + drivers_lenovo_serial_ports_ssdt_generate("\_SB.PCI0.LPCB", 0); return (unsigned long)(acpigen_get_current()); }
diff --git a/src/mainboard/lenovo/x201/devicetree.cb b/src/mainboard/lenovo/x201/devicetree.cb index 9053f89..1db5bf0 100644 --- a/src/mainboard/lenovo/x201/devicetree.cb +++ b/src/mainboard/lenovo/x201/devicetree.cb @@ -143,6 +143,20 @@ chip northbridge/intel/nehalem end device pci 1f.0 on # PCI-LPC bridge subsystemid 0x17aa 0x2166 + chip superio/nsc/pc87382 + device pnp 164e.3 on # Digitizer + io 0x60 = 0x200 + irq 0x29 = 0xb0 + irq 0x70 = 0x5 + irq 0xf0 = 0x82 + end + # IR, not connected + device pnp 164e.2 off end + # GPIO, not connected + device pnp 164e.7 off end + # DLPC, not connected + device pnp 164e.19 off end + end end device pci 1f.2 on # IDE/SATA subsystemid 0x17aa 0x2168 diff --git a/src/mainboard/lenovo/x201/romstage.c b/src/mainboard/lenovo/x201/romstage.c index a18536a..2f4efc8 100644 --- a/src/mainboard/lenovo/x201/romstage.c +++ b/src/mainboard/lenovo/x201/romstage.c @@ -54,7 +54,7 @@ static void pch_enable_lpc(void) /* Enable EC, PS/2 Keyboard/Mouse */ pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF2_LPC_EN | CNF1_LPC_EN | MC_LPC_EN | KBC_LPC_EN | - COMA_LPC_EN); + COMA_LPC_EN | GAMEL_LPC_EN);
pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0x7c1601); pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, 0xc15e1); diff --git a/src/mainboard/lenovo/x60/Kconfig b/src/mainboard/lenovo/x60/Kconfig index f70202d..4610547 100644 --- a/src/mainboard/lenovo/x60/Kconfig +++ b/src/mainboard/lenovo/x60/Kconfig @@ -23,6 +23,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy select USE_OPTION_TABLE select MAINBOARD_HAS_NATIVE_VGA_INIT select H8_DOCK_EARLY_INIT + select DRIVERS_LENOVO_WACOM
config MAINBOARD_DIR string @@ -38,7 +39,7 @@ config DCACHE_RAM_SIZE
config MAINBOARD_PART_NUMBER string - default "ThinkPad X60 / X60s" + default "ThinkPad X60 / X60s / X60t"
config MMCONF_BASE_ADDRESS hex diff --git a/src/mainboard/lenovo/x60/acpi_tables.c b/src/mainboard/lenovo/x60/acpi_tables.c index f6ed4ae..cf07067 100644 --- a/src/mainboard/lenovo/x60/acpi_tables.c +++ b/src/mainboard/lenovo/x60/acpi_tables.c @@ -29,6 +29,7 @@ #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include "drivers/lenovo/lenovo.h"
extern const unsigned char AmlCode[]; #if CONFIG_HAVE_ACPI_SLIC @@ -86,6 +87,7 @@ unsigned long acpi_fill_madt(unsigned long current) unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) { generate_cpu_entries(); + drivers_lenovo_serial_ports_ssdt_generate("\_SB.PCI0.LPCB", 1); return (unsigned long) (acpigen_get_current()); }
diff --git a/src/mainboard/lenovo/x60/devicetree.cb b/src/mainboard/lenovo/x60/devicetree.cb index fbef3bf..81648bd 100644 --- a/src/mainboard/lenovo/x60/devicetree.cb +++ b/src/mainboard/lenovo/x60/devicetree.cb @@ -127,8 +127,11 @@ chip northbridge/intel/i945 io 0x60 = 0x2f8 end
- device pnp 164e.3 off # Serial Port - io 0x60 = 0x3f8 + device pnp 164e.3 on # Digitizer + io 0x60 = 0x200 + irq 0x29 = 0xb0 + irq 0x70 = 0x5 + irq 0xf0 = 0x82 end
device pnp 164e.7 on # GPIO