Subject: [PATCH] [acpi driver model] Move IBM platform driver Signed-off-by: Patrick Mochel --- drivers/acpi/Makefile | 1 drivers/acpi/drivers/legacy/Makefile | 1 drivers/acpi/drivers/legacy/ibm_acpi.c | 1966 ++++++++++++++++++++++++++++++++ drivers/acpi/ibm_acpi.c | 1966 -------------------------------- 4 files changed, 1967 insertions(+), 1967 deletions(-) create mode 100644 drivers/acpi/drivers/legacy/ibm_acpi.c delete mode 100644 drivers/acpi/ibm_acpi.c applies-to: 3a1dd485300af6a2935804f52c79c1b38573293a 4400a50a540cb9af132131cbf3c681e8ff6d10e8 diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 94574cd..0d58936 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -36,7 +36,6 @@ obj-y += drivers/ obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o obj-$(CONFIG_ACPI_SYSTEM) += system.o event.o obj-$(CONFIG_ACPI_DEBUG) += debug.o -obj-$(CONFIG_ACPI_IBM) += ibm_acpi.o obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o obj-y += scan.o motherboard.o obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o diff --git a/drivers/acpi/drivers/legacy/Makefile b/drivers/acpi/drivers/legacy/Makefile index df416c6..765247d 100644 --- a/drivers/acpi/drivers/legacy/Makefile +++ b/drivers/acpi/drivers/legacy/Makefile @@ -21,3 +21,4 @@ obj-$(CONFIG_ACPI_THERMAL) += thermal.o obj-$(CONFIG_ACPI_VIDEO) += video.o obj-$(CONFIG_ACPI_ASUS) += asus_acpi.o +obj-$(CONFIG_ACPI_IBM) += ibm_acpi.o diff --git a/drivers/acpi/drivers/legacy/ibm_acpi.c b/drivers/acpi/drivers/legacy/ibm_acpi.c new file mode 100644 index 0000000..5cc0903 --- /dev/null +++ b/drivers/acpi/drivers/legacy/ibm_acpi.c @@ -0,0 +1,1966 @@ +/* + * ibm_acpi.c - IBM ThinkPad ACPI Extras + * + * + * Copyright (C) 2004-2005 Borislav Deianov + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define IBM_VERSION "0.12a" + +/* + * Changelog: + * + * 2005-08-17 0.12 fix compilation on 2.6.13-rc kernels + * 2005-03-17 0.11 support for 600e, 770x + * thanks to Jamie Lentin + * support for 770e, G41 + * G40 and G41 don't have a thinklight + * temperatures no longer experimental + * experimental brightness control + * experimental volume control + * experimental fan enable/disable + * 2005-01-16 0.10 fix module loading on R30, R31 + * 2005-01-16 0.9 support for 570, R30, R31 + * ultrabay support on A22p, A3x + * limit arg for cmos, led, beep, drop experimental status + * more capable led control on A21e, A22p, T20-22, X20 + * experimental temperatures and fan speed + * experimental embedded controller register dump + * mark more functions as __init, drop incorrect __exit + * use MODULE_VERSION + * thanks to Henrik Brix Andersen + * fix parameter passing on module loading + * thanks to Rusty Russell + * thanks to Jim Radford + * 2004-11-08 0.8 fix init error case, don't return from a macro + * thanks to Chris Wright + * 2004-10-23 0.7 fix module loading on A21e, A22p, T20, T21, X20 + * fix led control on A21e + * 2004-10-19 0.6 use acpi_bus_register_driver() to claim HKEY device + * 2004-10-18 0.5 thinklight support on A21e, G40, R32, T20, T21, X20 + * proc file format changed + * video_switch command + * experimental cmos control + * experimental led control + * experimental acpi sounds + * 2004-09-16 0.4 support for module parameters + * hotkey mask can be prefixed by 0x + * video output switching + * video expansion control + * ultrabay eject support + * removed lcd brightness/on/off control, didn't work + * 2004-08-17 0.3 support for R40 + * lcd off, brightness control + * thinklight on/off + * 2004-08-14 0.2 support for T series, X20 + * bluetooth enable/disable + * hotkey events disabled by default + * removed fan control, currently useless + * 2004-08-09 0.1 initial release, support for X series + */ + +#include +#include +#include +#include +#include +#include + +#include +#include + +#define IBM_NAME "ibm" +#define IBM_DESC "IBM ThinkPad ACPI Extras" +#define IBM_FILE "ibm_acpi" +#define IBM_URL "http://ibm-acpi.sf.net/" + +MODULE_AUTHOR("Borislav Deianov"); +MODULE_DESCRIPTION(IBM_DESC); +MODULE_VERSION(IBM_VERSION); +MODULE_LICENSE("GPL"); + +#define IBM_DIR IBM_NAME + +#define IBM_LOG IBM_FILE ": " +#define IBM_ERR KERN_ERR IBM_LOG +#define IBM_NOTICE KERN_NOTICE IBM_LOG +#define IBM_INFO KERN_INFO IBM_LOG +#define IBM_DEBUG KERN_DEBUG IBM_LOG + +#define IBM_MAX_ACPI_ARGS 3 + +#define __unused __attribute__ ((unused)) + +static int experimental; +module_param(experimental, int, 0); + +static acpi_handle root_handle = NULL; + +#define IBM_HANDLE(object, parent, paths...) \ + static acpi_handle object##_handle; \ + static acpi_handle *object##_parent = &parent##_handle; \ + static char *object##_path; \ + static char *object##_paths[] = { paths } + +/* + * The following models are supported to various degrees: + * + * 570, 600e, 600x, 770e, 770x + * A20m, A21e, A21m, A21p, A22p, A30, A30p, A31, A31p + * G40, G41 + * R30, R31, R32, R40, R40e, R50, R50e, R50p, R51 + * T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43 + * X20, X21, X22, X23, X24, X30, X31, X40 + * + * The following models have no supported features: + * + * 240, 240x, i1400 + * + * Still missing DSDTs for the following models: + * + * A20p, A22e, A22m + * R52 + * S31 + * T43p + */ + +IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */ + "\\_SB.PCI.ISA.EC", /* 570 */ + "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */ + "\\_SB.PCI0.ISA.EC", /* A21e, A2xm/p, T20-22, X20-21 */ + "\\_SB.PCI0.AD4S.EC0", /* i1400, R30 */ + "\\_SB.PCI0.ICH3.EC0", /* R31 */ + "\\_SB.PCI0.LPC.EC", /* all others */ + ); + +IBM_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ + "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ + "\\_SB.PCI0.VID0", /* 770e */ + "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ + "\\_SB.PCI0.AGP.VID", /* all others */ + ); /* R30, R31 */ + +IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */ + +IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */ + "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */ + "\\CMS", /* R40, R40e */ + ); /* all others */ + +IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ + "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */ + "\\_SB.PCI0.PCI1.DOCK", /* all others */ + "\\_SB.PCI.ISA.SLCE", /* 570 */ + ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ + +IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ + "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ + "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ + ); /* A21e, R30, R31 */ + +IBM_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */ + "_EJ0", /* all others */ + ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */ + +IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */ + "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */ + ); /* all others */ + +IBM_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */ + "_EJ0", /* 770x */ + ); /* all others */ + +/* don't list other alternatives as we install a notify handler on the 570 */ +IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */ + +IBM_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ + "^HKEY", /* R30, R31 */ + "HKEY", /* all others */ + ); /* 570 */ + +IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */ +IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */ + +IBM_HANDLE(led, ec, "SLED", /* 570 */ + "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ + "LED", /* all others */ + ); /* R30, R31 */ + +IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */ +IBM_HANDLE(ecrd, ec, "ECRD"); /* 570 */ +IBM_HANDLE(ecwr, ec, "ECWR"); /* 570 */ +IBM_HANDLE(fans, ec, "FANS"); /* X31, X40 */ + +IBM_HANDLE(gfan, ec, "GFAN", /* 570 */ + "\\FSPD", /* 600e/x, 770e, 770x */ + ); /* all others */ + +IBM_HANDLE(sfan, ec, "SFAN", /* 570 */ + "JFNS", /* 770x-JL */ + ); /* all others */ + +#define IBM_HKEY_HID "IBM0068" +#define IBM_PCI_HID "PNP0A03" + +struct ibm_struct { + char *name; + char param[32]; + + char *hid; + struct acpi_driver *driver; + + int (*init) (void); + int (*read) (char *); + int (*write) (char *); + void (*exit) (void); + + void (*notify) (struct ibm_struct *, u32); + acpi_handle *handle; + int type; + struct acpi_device *device; + + int driver_registered; + int proc_created; + int init_called; + int notify_installed; + + int experimental; +}; + +static struct proc_dir_entry *proc_dir = NULL; + +#define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") +#define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") +#define strlencmp(a,b) (strncmp((a), (b), strlen(b))) + +static int acpi_evalf(acpi_handle handle, + void *res, char *method, char *fmt, ...) +{ + char *fmt0 = fmt; + struct acpi_object_list params; + union acpi_object in_objs[IBM_MAX_ACPI_ARGS]; + struct acpi_buffer result, *resultp; + union acpi_object out_obj; + acpi_status status; + va_list ap; + char res_type; + int success; + int quiet; + + if (!*fmt) { + printk(IBM_ERR "acpi_evalf() called with empty format\n"); + return 0; + } + + if (*fmt == 'q') { + quiet = 1; + fmt++; + } else + quiet = 0; + + res_type = *(fmt++); + + params.count = 0; + params.pointer = &in_objs[0]; + + va_start(ap, fmt); + while (*fmt) { + char c = *(fmt++); + switch (c) { + case 'd': /* int */ + in_objs[params.count].integer.value = va_arg(ap, int); + in_objs[params.count++].type = ACPI_TYPE_INTEGER; + break; + /* add more types as needed */ + default: + printk(IBM_ERR "acpi_evalf() called " + "with invalid format character '%c'\n", c); + return 0; + } + } + va_end(ap); + + if (res_type != 'v') { + result.length = sizeof(out_obj); + result.pointer = &out_obj; + resultp = &result; + } else + resultp = NULL; + + status = acpi_evaluate_object(handle, method, ¶ms, resultp); + + switch (res_type) { + case 'd': /* int */ + if (res) + *(int *)res = out_obj.integer.value; + success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER; + break; + case 'v': /* void */ + success = status == AE_OK; + break; + /* add more types as needed */ + default: + printk(IBM_ERR "acpi_evalf() called " + "with invalid format character '%c'\n", res_type); + return 0; + } + + if (!success && !quiet) + printk(IBM_ERR "acpi_evalf(%s, %s, ...) failed: %d\n", + method, fmt0, status); + + return success; +} + +static void __unused acpi_print_int(acpi_handle handle, char *method) +{ + int i; + + if (acpi_evalf(handle, &i, method, "d")) + printk(IBM_INFO "%s = 0x%x\n", method, i); + else + printk(IBM_ERR "error calling %s\n", method); +} + +static char *next_cmd(char **cmds) +{ + char *start = *cmds; + char *end; + + while ((end = strchr(start, ',')) && end == start) + start = end + 1; + + if (!end) + return NULL; + + *end = 0; + *cmds = end + 1; + return start; +} + +static int driver_init(void) +{ + printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); + printk(IBM_INFO "%s\n", IBM_URL); + + return 0; +} + +static int driver_read(char *p) +{ + int len = 0; + + len += sprintf(p + len, "driver:\t\t%s\n", IBM_DESC); + len += sprintf(p + len, "version:\t%s\n", IBM_VERSION); + + return len; +} + +static int hotkey_supported; +static int hotkey_mask_supported; +static int hotkey_orig_status; +static int hotkey_orig_mask; + +static int hotkey_get(int *status, int *mask) +{ + if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) + return 0; + + if (hotkey_mask_supported) + if (!acpi_evalf(hkey_handle, mask, "DHKN", "d")) + return 0; + + return 1; +} + +static int hotkey_set(int status, int mask) +{ + int i; + + if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) + return 0; + + if (hotkey_mask_supported) + for (i = 0; i < 32; i++) { + int bit = ((1 << i) & mask) != 0; + if (!acpi_evalf(hkey_handle, + NULL, "MHKM", "vdd", i + 1, bit)) + return 0; + } + + return 1; +} + +static int hotkey_init(void) +{ + /* hotkey not supported on 570 */ + hotkey_supported = hkey_handle != NULL; + + if (hotkey_supported) { + /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, + A30, R30, R31, T20-22, X20-21, X22-24 */ + hotkey_mask_supported = + acpi_evalf(hkey_handle, NULL, "DHKN", "qv"); + + if (!hotkey_get(&hotkey_orig_status, &hotkey_orig_mask)) + return -ENODEV; + } + + return 0; +} + +static int hotkey_read(char *p) +{ + int status, mask; + int len = 0; + + if (!hotkey_supported) { + len += sprintf(p + len, "status:\t\tnot supported\n"); + return len; + } + + if (!hotkey_get(&status, &mask)) + return -EIO; + + len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); + if (hotkey_mask_supported) { + len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); + len += sprintf(p + len, + "commands:\tenable, disable, reset, \n"); + } else { + len += sprintf(p + len, "mask:\t\tnot supported\n"); + len += sprintf(p + len, "commands:\tenable, disable, reset\n"); + } + + return len; +} + +static int hotkey_write(char *buf) +{ + int status, mask; + char *cmd; + int do_cmd = 0; + + if (!hotkey_supported) + return -ENODEV; + + if (!hotkey_get(&status, &mask)) + return -EIO; + + while ((cmd = next_cmd(&buf))) { + if (strlencmp(cmd, "enable") == 0) { + status = 1; + } else if (strlencmp(cmd, "disable") == 0) { + status = 0; + } else if (strlencmp(cmd, "reset") == 0) { + status = hotkey_orig_status; + mask = hotkey_orig_mask; + } else if (sscanf(cmd, "0x%x", &mask) == 1) { + /* mask set */ + } else if (sscanf(cmd, "%x", &mask) == 1) { + /* mask set */ + } else + return -EINVAL; + do_cmd = 1; + } + + if (do_cmd && !hotkey_set(status, mask)) + return -EIO; + + return 0; +} + +static void hotkey_exit(void) +{ + if (hotkey_supported) + hotkey_set(hotkey_orig_status, hotkey_orig_mask); +} + +static void hotkey_notify(struct ibm_struct *ibm, u32 event) +{ + int hkey; + + if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) + acpi_bus_generate_event(ibm->device, event, hkey); + else { + printk(IBM_ERR "unknown hotkey event %d\n", event); + acpi_bus_generate_event(ibm->device, event, 0); + } +} + +static int bluetooth_supported; + +static int bluetooth_init(void) +{ + /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, + G4x, R30, R31, R40e, R50e, T20-22, X20-21 */ + bluetooth_supported = hkey_handle && + acpi_evalf(hkey_handle, NULL, "GBDC", "qv"); + + return 0; +} + +static int bluetooth_status(void) +{ + int status; + + if (!bluetooth_supported || + !acpi_evalf(hkey_handle, &status, "GBDC", "d")) + status = 0; + + return status; +} + +static int bluetooth_read(char *p) +{ + int len = 0; + int status = bluetooth_status(); + + if (!bluetooth_supported) + len += sprintf(p + len, "status:\t\tnot supported\n"); + else if (!(status & 1)) + len += sprintf(p + len, "status:\t\tnot installed\n"); + else { + len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1)); + len += sprintf(p + len, "commands:\tenable, disable\n"); + } + + return len; +} + +static int bluetooth_write(char *buf) +{ + int status = bluetooth_status(); + char *cmd; + int do_cmd = 0; + + if (!bluetooth_supported) + return -ENODEV; + + while ((cmd = next_cmd(&buf))) { + if (strlencmp(cmd, "enable") == 0) { + status |= 2; + } else if (strlencmp(cmd, "disable") == 0) { + status &= ~2; + } else + return -EINVAL; + do_cmd = 1; + } + + if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) + return -EIO; + + return 0; +} + +static int video_supported; +static int video_orig_autosw; + +#define VIDEO_570 1 +#define VIDEO_770 2 +#define VIDEO_NEW 3 + +static int video_init(void) +{ + int ivga; + + if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga) + /* G41, assume IVGA doesn't change */ + vid_handle = vid2_handle; + + if (!vid_handle) + /* video switching not supported on R30, R31 */ + video_supported = 0; + else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd")) + /* 570 */ + video_supported = VIDEO_570; + else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd")) + /* 600e/x, 770e, 770x */ + video_supported = VIDEO_770; + else + /* all others */ + video_supported = VIDEO_NEW; + + return 0; +} + +static int video_status(void) +{ + int status = 0; + int i; + + if (video_supported == VIDEO_570) { + if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87)) + status = i & 3; + } else if (video_supported == VIDEO_770) { + if (acpi_evalf(NULL, &i, "\\VCDL", "d")) + status |= 0x01 * i; + if (acpi_evalf(NULL, &i, "\\VCDC", "d")) + status |= 0x02 * i; + } else if (video_supported == VIDEO_NEW) { + acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); + if (acpi_evalf(NULL, &i, "\\VCDC", "d")) + status |= 0x02 * i; + + acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0); + if (acpi_evalf(NULL, &i, "\\VCDL", "d")) + status |= 0x01 * i; + if (acpi_evalf(NULL, &i, "\\VCDD", "d")) + status |= 0x08 * i; + } + + return status; +} + +static int video_autosw(void) +{ + int autosw = 0; + + if (video_supported == VIDEO_570) + acpi_evalf(vid_handle, &autosw, "SWIT", "d"); + else if (video_supported == VIDEO_770 || video_supported == VIDEO_NEW) + acpi_evalf(vid_handle, &autosw, "^VDEE", "d"); + + return autosw & 1; +} + +static int video_read(char *p) +{ + int status = video_status(); + int autosw = video_autosw(); + int len = 0; + + if (!video_supported) { + len += sprintf(p + len, "status:\t\tnot supported\n"); + return len; + } + + len += sprintf(p + len, "status:\t\tsupported\n"); + len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); + len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); + if (video_supported == VIDEO_NEW) + len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); + len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0)); + len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n"); + len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n"); + if (video_supported == VIDEO_NEW) + len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n"); + len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n"); + len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); + + return len; +} + +static int video_switch(void) +{ + int autosw = video_autosw(); + int ret; + + if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) + return -EIO; + ret = video_supported == VIDEO_570 ? + acpi_evalf(ec_handle, NULL, "_Q16", "v") : + acpi_evalf(vid_handle, NULL, "VSWT", "v"); + acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); + + return ret; +} + +static int video_expand(void) +{ + if (video_supported == VIDEO_570) + return acpi_evalf(ec_handle, NULL, "_Q17", "v"); + else if (video_supported == VIDEO_770) + return acpi_evalf(vid_handle, NULL, "VEXP", "v"); + else + return acpi_evalf(NULL, NULL, "\\VEXP", "v"); +} + +static int video_switch2(int status) +{ + int ret; + + if (video_supported == VIDEO_570) { + ret = acpi_evalf(NULL, NULL, + "\\_SB.PHS2", "vdd", 0x8b, status | 0x80); + } else if (video_supported == VIDEO_770) { + int autosw = video_autosw(); + if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) + return -EIO; + + ret = acpi_evalf(vid_handle, NULL, + "ASWT", "vdd", status * 0x100, 0); + + acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); + } else { + ret = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) && + acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1); + } + + return ret; +} + +static int video_write(char *buf) +{ + char *cmd; + int enable, disable, status; + + if (!video_supported) + return -ENODEV; + + enable = disable = 0; + + while ((cmd = next_cmd(&buf))) { + if (strlencmp(cmd, "lcd_enable") == 0) { + enable |= 0x01; + } else if (strlencmp(cmd, "lcd_disable") == 0) { + disable |= 0x01; + } else if (strlencmp(cmd, "crt_enable") == 0) { + enable |= 0x02; + } else if (strlencmp(cmd, "crt_disable") == 0) { + disable |= 0x02; + } else if (video_supported == VIDEO_NEW && + strlencmp(cmd, "dvi_enable") == 0) { + enable |= 0x08; + } else if (video_supported == VIDEO_NEW && + strlencmp(cmd, "dvi_disable") == 0) { + disable |= 0x08; + } else if (strlencmp(cmd, "auto_enable") == 0) { + if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) + return -EIO; + } else if (strlencmp(cmd, "auto_disable") == 0) { + if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0)) + return -EIO; + } else if (strlencmp(cmd, "video_switch") == 0) { + if (!video_switch()) + return -EIO; + } else if (strlencmp(cmd, "expand_toggle") == 0) { + if (!video_expand()) + return -EIO; + } else + return -EINVAL; + } + + if (enable || disable) { + status = (video_status() & 0x0f & ~disable) | enable; + if (!video_switch2(status)) + return -EIO; + } + + return 0; +} + +static void video_exit(void) +{ + acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw); +} + +static int light_supported; +static int light_status_supported; + +static int light_init(void) +{ + /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */ + light_supported = (cmos_handle || lght_handle) && !ledb_handle; + + if (light_supported) + /* light status not supported on + 570, 600e/x, 770e, 770x, G4x, R30, R31, R32, X20 */ + light_status_supported = acpi_evalf(ec_handle, NULL, + "KBLT", "qv"); + + return 0; +} + +static int light_read(char *p) +{ + int len = 0; + int status = 0; + + if (!light_supported) { + len += sprintf(p + len, "status:\t\tnot supported\n"); + } else if (!light_status_supported) { + len += sprintf(p + len, "status:\t\tunknown\n"); + len += sprintf(p + len, "commands:\ton, off\n"); + } else { + if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) + return -EIO; + len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0)); + len += sprintf(p + len, "commands:\ton, off\n"); + } + + return len; +} + +static int light_write(char *buf) +{ + int cmos_cmd, lght_cmd; + char *cmd; + int success; + + if (!light_supported) + return -ENODEV; + + while ((cmd = next_cmd(&buf))) { + if (strlencmp(cmd, "on") == 0) { + cmos_cmd = 0x0c; + lght_cmd = 1; + } else if (strlencmp(cmd, "off") == 0) { + cmos_cmd = 0x0d; + lght_cmd = 0; + } else + return -EINVAL; + + success = cmos_handle ? + acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) : + acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd); + if (!success) + return -EIO; + } + + return 0; +} + +static int _sta(acpi_handle handle) +{ + int status; + + if (!handle || !acpi_evalf(handle, &status, "_STA", "d")) + status = 0; + + return status; +} + +#define dock_docked() (_sta(dock_handle) & 1) + +static int dock_read(char *p) +{ + int len = 0; + int docked = dock_docked(); + + if (!dock_handle) + len += sprintf(p + len, "status:\t\tnot supported\n"); + else if (!docked) + len += sprintf(p + len, "status:\t\tundocked\n"); + else { + len += sprintf(p + len, "status:\t\tdocked\n"); + len += sprintf(p + len, "commands:\tdock, undock\n"); + } + + return len; +} + +static int dock_write(char *buf) +{ + char *cmd; + + if (!dock_docked()) + return -ENODEV; + + while ((cmd = next_cmd(&buf))) { + if (strlencmp(cmd, "undock") == 0) { + if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) || + !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1)) + return -EIO; + } else if (strlencmp(cmd, "dock") == 0) { + if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) + return -EIO; + } else + return -EINVAL; + } + + return 0; +} + +static void dock_notify(struct ibm_struct *ibm, u32 event) +{ + int docked = dock_docked(); + int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID); + + if (event == 1 && !pci) /* 570 */ + acpi_bus_generate_event(ibm->device, event, 1); /* button */ + else if (event == 1 && pci) /* 570 */ + acpi_bus_generate_event(ibm->device, event, 3); /* dock */ + else if (event == 3 && docked) + acpi_bus_generate_event(ibm->device, event, 1); /* button */ + else if (event == 3 && !docked) + acpi_bus_generate_event(ibm->device, event, 2); /* undock */ + else if (event == 0 && docked) + acpi_bus_generate_event(ibm->device, event, 3); /* dock */ + else { + printk(IBM_ERR "unknown dock event %d, status %d\n", + event, _sta(dock_handle)); + acpi_bus_generate_event(ibm->device, event, 0); /* unknown */ + } +} + +static int bay_status_supported; +static int bay_status2_supported; +static int bay_eject_supported; +static int bay_eject2_supported; + +static int bay_init(void) +{ + bay_status_supported = bay_handle && + acpi_evalf(bay_handle, NULL, "_STA", "qv"); + bay_status2_supported = bay2_handle && + acpi_evalf(bay2_handle, NULL, "_STA", "qv"); + + bay_eject_supported = bay_handle && bay_ej_handle && + (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental); + bay_eject2_supported = bay2_handle && bay2_ej_handle && + (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental); + + return 0; +} + +#define bay_occupied(b) (_sta(b##_handle) & 1) + +static int bay_read(char *p) +{ + int len = 0; + int occupied = bay_occupied(bay); + int occupied2 = bay_occupied(bay2); + int eject, eject2; + + len += sprintf(p + len, "status:\t\t%s\n", bay_status_supported ? + (occupied ? "occupied" : "unoccupied") : + "not supported"); + if (bay_status2_supported) + len += sprintf(p + len, "status2:\t%s\n", occupied2 ? + "occupied" : "unoccupied"); + + eject = bay_eject_supported && occupied; + eject2 = bay_eject2_supported && occupied2; + + if (eject && eject2) + len += sprintf(p + len, "commands:\teject, eject2\n"); + else if (eject) + len += sprintf(p + len, "commands:\teject\n"); + else if (eject2) + len += sprintf(p + len, "commands:\teject2\n"); + + return len; +} + +static int bay_write(char *buf) +{ + char *cmd; + + if (!bay_eject_supported && !bay_eject2_supported) + return -ENODEV; + + while ((cmd = next_cmd(&buf))) { + if (bay_eject_supported && strlencmp(cmd, "eject") == 0) { + if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1)) + return -EIO; + } else if (bay_eject2_supported && + strlencmp(cmd, "eject2") == 0) { + if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1)) + return -EIO; + } else + return -EINVAL; + } + + return 0; +} + +static void bay_notify(struct ibm_struct *ibm, u32 event) +{ + acpi_bus_generate_event(ibm->device, event, 0); +} + +static int cmos_read(char *p) +{ + int len = 0; + + /* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, + R30, R31, T20-22, X20-21 */ + if (!cmos_handle) + len += sprintf(p + len, "status:\t\tnot supported\n"); + else { + len += sprintf(p + len, "status:\t\tsupported\n"); + len += sprintf(p + len, "commands:\t ( is 0-21)\n"); + } + + return len; +} + +static int cmos_eval(int cmos_cmd) +{ + if (cmos_handle) + return acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd); + else + return 1; +} + +static int cmos_write(char *buf) +{ + char *cmd; + int cmos_cmd; + + if (!cmos_handle) + return -EINVAL; + + while ((cmd = next_cmd(&buf))) { + if (sscanf(cmd, "%u", &cmos_cmd) == 1 && + cmos_cmd >= 0 && cmos_cmd <= 21) { + /* cmos_cmd set */ + } else + return -EINVAL; + + if (!cmos_eval(cmos_cmd)) + return -EIO; + } + + return 0; +} + +static int led_supported; + +#define LED_570 1 +#define LED_OLD 2 +#define LED_NEW 3 + +static int led_init(void) +{ + if (!led_handle) + /* led not supported on R30, R31 */ + led_supported = 0; + else if (strlencmp(led_path, "SLED") == 0) + /* 570 */ + led_supported = LED_570; + else if (strlencmp(led_path, "SYSL") == 0) + /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ + led_supported = LED_OLD; + else + /* all others */ + led_supported = LED_NEW; + + return 0; +} + +#define led_status(s) ((s) == 0 ? "off" : ((s) == 1 ? "on" : "blinking")) + +static int led_read(char *p) +{ + int len = 0; + + if (!led_supported) { + len += sprintf(p + len, "status:\t\tnot supported\n"); + return len; + } + len += sprintf(p + len, "status:\t\tsupported\n"); + + if (led_supported == LED_570) { + /* 570 */ + int i, status; + for (i = 0; i < 8; i++) { + if (!acpi_evalf(ec_handle, + &status, "GLED", "dd", 1 << i)) + return -EIO; + len += sprintf(p + len, "%d:\t\t%s\n", + i, led_status(status)); + } + } + + len += sprintf(p + len, "commands:\t" + " on, off, blink ( is 0-7)\n"); + + return len; +} + +/* off, on, blink */ +static const int led_sled_arg1[] = { 0, 1, 3 }; +static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ +static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ +static const int led_led_arg1[] = { 0, 0x80, 0xc0 }; + +#define EC_HLCL 0x0c +#define EC_HLBL 0x0d +#define EC_HLMS 0x0e + +static int led_write(char *buf) +{ + char *cmd; + int led, ind, ret; + + if (!led_supported) + return -ENODEV; + + while ((cmd = next_cmd(&buf))) { + if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7) + return -EINVAL; + + if (strstr(cmd, "off")) { + ind = 0; + } else if (strstr(cmd, "on")) { + ind = 1; + } else if (strstr(cmd, "blink")) { + ind = 2; + } else + return -EINVAL; + + if (led_supported == LED_570) { + /* 570 */ + led = 1 << led; + if (!acpi_evalf(led_handle, NULL, NULL, "vdd", + led, led_sled_arg1[ind])) + return -EIO; + } else if (led_supported == LED_OLD) { + /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ + led = 1 << led; + ret = ec_write(EC_HLMS, led); + if (ret >= 0) + ret = + ec_write(EC_HLBL, led * led_exp_hlbl[ind]); + if (ret >= 0) + ret = + ec_write(EC_HLCL, led * led_exp_hlcl[ind]); + if (ret < 0) + return ret; + } else { + /* all others */ + if (!acpi_evalf(led_handle, NULL, NULL, "vdd", + led, led_led_arg1[ind])) + return -EIO; + } + } + + return 0; +} + +static int beep_read(char *p) +{ + int len = 0; + + if (!beep_handle) + len += sprintf(p + len, "status:\t\tnot supported\n"); + else { + len += sprintf(p + len, "status:\t\tsupported\n"); + len += sprintf(p + len, "commands:\t ( is 0-17)\n"); + } + + return len; +} + +static int beep_write(char *buf) +{ + char *cmd; + int beep_cmd; + + if (!beep_handle) + return -ENODEV; + + while ((cmd = next_cmd(&buf))) { + if (sscanf(cmd, "%u", &beep_cmd) == 1 && + beep_cmd >= 0 && beep_cmd <= 17) { + /* beep_cmd set */ + } else + return -EINVAL; + if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0)) + return -EIO; + } + + return 0; +} + +static int acpi_ec_read(int i, u8 * p) +{ + int v; + + if (ecrd_handle) { + if (!acpi_evalf(ecrd_handle, &v, NULL, "dd", i)) + return 0; + *p = v; + } else { + if (ec_read(i, p) < 0) + return 0; + } + + return 1; +} + +static int acpi_ec_write(int i, u8 v) +{ + if (ecwr_handle) { + if (!acpi_evalf(ecwr_handle, NULL, NULL, "vdd", i, v)) + return 0; + } else { + if (ec_write(i, v) < 0) + return 0; + } + + return 1; +} + +static int thermal_tmp_supported; +static int thermal_updt_supported; + +static int thermal_init(void) +{ + /* temperatures not supported on 570, G4x, R30, R31, R32 */ + thermal_tmp_supported = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); + + /* 600e/x, 770e, 770x */ + thermal_updt_supported = acpi_evalf(ec_handle, NULL, "UPDT", "qv"); + + return 0; +} + +static int thermal_read(char *p) +{ + int len = 0; + + if (!thermal_tmp_supported) + len += sprintf(p + len, "temperatures:\tnot supported\n"); + else { + int i, t; + char tmpi[] = "TMPi"; + s8 tmp[8]; + + if (thermal_updt_supported) + if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) + return -EIO; + + for (i = 0; i < 8; i++) { + tmpi[3] = '0' + i; + if (!acpi_evalf(ec_handle, &t, tmpi, "d")) + return -EIO; + if (thermal_updt_supported) + tmp[i] = (t - 2732 + 5) / 10; + else + tmp[i] = t; + } + + len += sprintf(p + len, + "temperatures:\t%d %d %d %d %d %d %d %d\n", + tmp[0], tmp[1], tmp[2], tmp[3], + tmp[4], tmp[5], tmp[6], tmp[7]); + } + + return len; +} + +static u8 ecdump_regs[256]; + +static int ecdump_read(char *p) +{ + int len = 0; + int i, j; + u8 v; + + len += sprintf(p + len, "EC " + " +00 +01 +02 +03 +04 +05 +06 +07" + " +08 +09 +0a +0b +0c +0d +0e +0f\n"); + for (i = 0; i < 256; i += 16) { + len += sprintf(p + len, "EC 0x%02x:", i); + for (j = 0; j < 16; j++) { + if (!acpi_ec_read(i + j, &v)) + break; + if (v != ecdump_regs[i + j]) + len += sprintf(p + len, " *%02x", v); + else + len += sprintf(p + len, " %02x", v); + ecdump_regs[i + j] = v; + } + len += sprintf(p + len, "\n"); + if (j != 16) + break; + } + + /* These are way too dangerous to advertise openly... */ +#if 0 + len += sprintf(p + len, "commands:\t0x 0x" + " ( is 00-ff, is 00-ff)\n"); + len += sprintf(p + len, "commands:\t0x " + " ( is 00-ff, is 0-255)\n"); +#endif + return len; +} + +static int ecdump_write(char *buf) +{ + char *cmd; + int i, v; + + while ((cmd = next_cmd(&buf))) { + if (sscanf(cmd, "0x%x 0x%x", &i, &v) == 2) { + /* i and v set */ + } else if (sscanf(cmd, "0x%x %u", &i, &v) == 2) { + /* i and v set */ + } else + return -EINVAL; + if (i >= 0 && i < 256 && v >= 0 && v < 256) { + if (!acpi_ec_write(i, v)) + return -EIO; + } else + return -EINVAL; + } + + return 0; +} + +static int brightness_offset = 0x31; + +static int brightness_read(char *p) +{ + int len = 0; + u8 level; + + if (!acpi_ec_read(brightness_offset, &level)) { + len += sprintf(p + len, "level:\t\tunreadable\n"); + } else { + len += sprintf(p + len, "level:\t\t%d\n", level & 0x7); + len += sprintf(p + len, "commands:\tup, down\n"); + len += sprintf(p + len, "commands:\tlevel " + " ( is 0-7)\n"); + } + + return len; +} + +#define BRIGHTNESS_UP 4 +#define BRIGHTNESS_DOWN 5 + +static int brightness_write(char *buf) +{ + int cmos_cmd, inc, i; + u8 level; + int new_level; + char *cmd; + + while ((cmd = next_cmd(&buf))) { + if (!acpi_ec_read(brightness_offset, &level)) + return -EIO; + level &= 7; + + if (strlencmp(cmd, "up") == 0) { + new_level = level == 7 ? 7 : level + 1; + } else if (strlencmp(cmd, "down") == 0) { + new_level = level == 0 ? 0 : level - 1; + } else if (sscanf(cmd, "level %d", &new_level) == 1 && + new_level >= 0 && new_level <= 7) { + /* new_level set */ + } else + return -EINVAL; + + cmos_cmd = new_level > level ? BRIGHTNESS_UP : BRIGHTNESS_DOWN; + inc = new_level > level ? 1 : -1; + for (i = level; i != new_level; i += inc) { + if (!cmos_eval(cmos_cmd)) + return -EIO; + if (!acpi_ec_write(brightness_offset, i + inc)) + return -EIO; + } + } + + return 0; +} + +static int volume_offset = 0x30; + +static int volume_read(char *p) +{ + int len = 0; + u8 level; + + if (!acpi_ec_read(volume_offset, &level)) { + len += sprintf(p + len, "level:\t\tunreadable\n"); + } else { + len += sprintf(p + len, "level:\t\t%d\n", level & 0xf); + len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6)); + len += sprintf(p + len, "commands:\tup, down, mute\n"); + len += sprintf(p + len, "commands:\tlevel " + " ( is 0-15)\n"); + } + + return len; +} + +#define VOLUME_DOWN 0 +#define VOLUME_UP 1 +#define VOLUME_MUTE 2 + +static int volume_write(char *buf) +{ + int cmos_cmd, inc, i; + u8 level, mute; + int new_level, new_mute; + char *cmd; + + while ((cmd = next_cmd(&buf))) { + if (!acpi_ec_read(volume_offset, &level)) + return -EIO; + new_mute = mute = level & 0x40; + new_level = level = level & 0xf; + + if (strlencmp(cmd, "up") == 0) { + if (mute) + new_mute = 0; + else + new_level = level == 15 ? 15 : level + 1; + } else if (strlencmp(cmd, "down") == 0) { + if (mute) + new_mute = 0; + else + new_level = level == 0 ? 0 : level - 1; + } else if (sscanf(cmd, "level %d", &new_level) == 1 && + new_level >= 0 && new_level <= 15) { + /* new_level set */ + } else if (strlencmp(cmd, "mute") == 0) { + new_mute = 0x40; + } else + return -EINVAL; + + if (new_level != level) { /* mute doesn't change */ + cmos_cmd = new_level > level ? VOLUME_UP : VOLUME_DOWN; + inc = new_level > level ? 1 : -1; + + if (mute && (!cmos_eval(cmos_cmd) || + !acpi_ec_write(volume_offset, level))) + return -EIO; + + for (i = level; i != new_level; i += inc) + if (!cmos_eval(cmos_cmd) || + !acpi_ec_write(volume_offset, i + inc)) + return -EIO; + + if (mute && (!cmos_eval(VOLUME_MUTE) || + !acpi_ec_write(volume_offset, + new_level + mute))) + return -EIO; + } + + if (new_mute != mute) { /* level doesn't change */ + cmos_cmd = new_mute ? VOLUME_MUTE : VOLUME_UP; + + if (!cmos_eval(cmos_cmd) || + !acpi_ec_write(volume_offset, level + new_mute)) + return -EIO; + } + } + + return 0; +} + +static int fan_status_offset = 0x2f; +static int fan_rpm_offset = 0x84; + +static int fan_read(char *p) +{ + int len = 0; + int s; + u8 lo, hi, status; + + if (gfan_handle) { + /* 570, 600e/x, 770e, 770x */ + if (!acpi_evalf(gfan_handle, &s, NULL, "d")) + return -EIO; + + len += sprintf(p + len, "level:\t\t%d\n", s); + } else { + /* all except 570, 600e/x, 770e, 770x */ + if (!acpi_ec_read(fan_status_offset, &status)) + len += sprintf(p + len, "status:\t\tunreadable\n"); + else + len += sprintf(p + len, "status:\t\t%s\n", + enabled(status, 7)); + + if (!acpi_ec_read(fan_rpm_offset, &lo) || + !acpi_ec_read(fan_rpm_offset + 1, &hi)) + len += sprintf(p + len, "speed:\t\tunreadable\n"); + else + len += sprintf(p + len, "speed:\t\t%d\n", + (hi << 8) + lo); + } + + if (sfan_handle) + /* 570, 770x-JL */ + len += sprintf(p + len, "commands:\tlevel " + " ( is 0-7)\n"); + if (!gfan_handle) + /* all except 570, 600e/x, 770e, 770x */ + len += sprintf(p + len, "commands:\tenable, disable\n"); + if (fans_handle) + /* X31, X40 */ + len += sprintf(p + len, "commands:\tspeed " + " ( is 0-65535)\n"); + + return len; +} + +static int fan_write(char *buf) +{ + char *cmd; + int level, speed; + + while ((cmd = next_cmd(&buf))) { + if (sfan_handle && + sscanf(cmd, "level %d", &level) == 1 && + level >= 0 && level <= 7) { + /* 570, 770x-JL */ + if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) + return -EIO; + } else if (!gfan_handle && strlencmp(cmd, "enable") == 0) { + /* all except 570, 600e/x, 770e, 770x */ + if (!acpi_ec_write(fan_status_offset, 0x80)) + return -EIO; + } else if (!gfan_handle && strlencmp(cmd, "disable") == 0) { + /* all except 570, 600e/x, 770e, 770x */ + if (!acpi_ec_write(fan_status_offset, 0x00)) + return -EIO; + } else if (fans_handle && + sscanf(cmd, "speed %d", &speed) == 1 && + speed >= 0 && speed <= 65535) { + /* X31, X40 */ + if (!acpi_evalf(fans_handle, NULL, NULL, "vddd", + speed, speed, speed)) + return -EIO; + } else + return -EINVAL; + } + + return 0; +} + +static struct ibm_struct ibms[] = { + { + .name = "driver", + .init = driver_init, + .read = driver_read, + }, + { + .name = "hotkey", + .hid = IBM_HKEY_HID, + .init = hotkey_init, + .read = hotkey_read, + .write = hotkey_write, + .exit = hotkey_exit, + .notify = hotkey_notify, + .handle = &hkey_handle, + .type = ACPI_DEVICE_NOTIFY, + }, + { + .name = "bluetooth", + .init = bluetooth_init, + .read = bluetooth_read, + .write = bluetooth_write, + }, + { + .name = "video", + .init = video_init, + .read = video_read, + .write = video_write, + .exit = video_exit, + }, + { + .name = "light", + .init = light_init, + .read = light_read, + .write = light_write, + }, + { + .name = "dock", + .read = dock_read, + .write = dock_write, + .notify = dock_notify, + .handle = &dock_handle, + .type = ACPI_SYSTEM_NOTIFY, + }, + { + .name = "dock", + .hid = IBM_PCI_HID, + .notify = dock_notify, + .handle = &pci_handle, + .type = ACPI_SYSTEM_NOTIFY, + }, + { + .name = "bay", + .init = bay_init, + .read = bay_read, + .write = bay_write, + .notify = bay_notify, + .handle = &bay_handle, + .type = ACPI_SYSTEM_NOTIFY, + }, + { + .name = "cmos", + .read = cmos_read, + .write = cmos_write, + }, + { + .name = "led", + .init = led_init, + .read = led_read, + .write = led_write, + }, + { + .name = "beep", + .read = beep_read, + .write = beep_write, + }, + { + .name = "thermal", + .init = thermal_init, + .read = thermal_read, + }, + { + .name = "ecdump", + .read = ecdump_read, + .write = ecdump_write, + .experimental = 1, + }, + { + .name = "brightness", + .read = brightness_read, + .write = brightness_write, + .experimental = 1, + }, + { + .name = "volume", + .read = volume_read, + .write = volume_write, + .experimental = 1, + }, + { + .name = "fan", + .read = fan_read, + .write = fan_write, + .experimental = 1, + }, +}; + +static int dispatch_read(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct ibm_struct *ibm = (struct ibm_struct *)data; + int len; + + if (!ibm || !ibm->read) + return -EINVAL; + + len = ibm->read(page); + if (len < 0) + return len; + + if (len <= off + count) + *eof = 1; + *start = page + off; + len -= off; + if (len > count) + len = count; + if (len < 0) + len = 0; + + return len; +} + +static int dispatch_write(struct file *file, const char __user * userbuf, + unsigned long count, void *data) +{ + struct ibm_struct *ibm = (struct ibm_struct *)data; + char *kernbuf; + int ret; + + if (!ibm || !ibm->write) + return -EINVAL; + + kernbuf = kmalloc(count + 2, GFP_KERNEL); + if (!kernbuf) + return -ENOMEM; + + if (copy_from_user(kernbuf, userbuf, count)) { + kfree(kernbuf); + return -EFAULT; + } + + kernbuf[count] = 0; + strcat(kernbuf, ","); + ret = ibm->write(kernbuf); + if (ret == 0) + ret = count; + + kfree(kernbuf); + + return ret; +} + +static void dispatch_notify(acpi_handle handle, u32 event, void *data) +{ + struct ibm_struct *ibm = (struct ibm_struct *)data; + + if (!ibm || !ibm->notify) + return; + + ibm->notify(ibm, event); +} + +static int __init setup_notify(struct ibm_struct *ibm) +{ + acpi_status status; + int ret; + + if (!*ibm->handle) + return 0; + + ret = acpi_bus_get_device(*ibm->handle, &ibm->device); + if (ret < 0) { + printk(IBM_ERR "%s device not present\n", ibm->name); + return 0; + } + + acpi_driver_data(ibm->device) = ibm; + sprintf(acpi_device_class(ibm->device), "%s/%s", IBM_NAME, ibm->name); + + status = acpi_install_notify_handler(*ibm->handle, ibm->type, + dispatch_notify, ibm); + if (ACPI_FAILURE(status)) { + printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n", + ibm->name, status); + return -ENODEV; + } + + return 0; +} + +static int __init ibm_device_add(struct acpi_device *device) +{ + return 0; +} + +static int __init register_driver(struct ibm_struct *ibm) +{ + int ret; + + ibm->driver = kmalloc(sizeof(struct acpi_driver), GFP_KERNEL); + if (!ibm->driver) { + printk(IBM_ERR "kmalloc(ibm->driver) failed\n"); + return -1; + } + + memset(ibm->driver, 0, sizeof(struct acpi_driver)); + sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name); + ibm->driver->ids = ibm->hid; + ibm->driver->ops.add = &ibm_device_add; + + ret = acpi_bus_register_driver(ibm->driver); + if (ret < 0) { + printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n", + ibm->hid, ret); + kfree(ibm->driver); + } + + return ret; +} + +static int __init ibm_init(struct ibm_struct *ibm) +{ + int ret; + struct proc_dir_entry *entry; + + if (ibm->experimental && !experimental) + return 0; + + if (ibm->hid) { + ret = register_driver(ibm); + if (ret < 0) + return ret; + ibm->driver_registered = 1; + } + + if (ibm->init) { + ret = ibm->init(); + if (ret != 0) + return ret; + ibm->init_called = 1; + } + + if (ibm->read) { + entry = create_proc_entry(ibm->name, + S_IFREG | S_IRUGO | S_IWUSR, + proc_dir); + if (!entry) { + printk(IBM_ERR "unable to create proc entry %s\n", + ibm->name); + return -ENODEV; + } + entry->owner = THIS_MODULE; + entry->data = ibm; + entry->read_proc = &dispatch_read; + if (ibm->write) + entry->write_proc = &dispatch_write; + ibm->proc_created = 1; + } + + if (ibm->notify) { + ret = setup_notify(ibm); + if (ret < 0) + return ret; + ibm->notify_installed = 1; + } + + return 0; +} + +static void ibm_exit(struct ibm_struct *ibm) +{ + if (ibm->notify_installed) + acpi_remove_notify_handler(*ibm->handle, ibm->type, + dispatch_notify); + + if (ibm->proc_created) + remove_proc_entry(ibm->name, proc_dir); + + if (ibm->init_called && ibm->exit) + ibm->exit(); + + if (ibm->driver_registered) { + acpi_bus_unregister_driver(ibm->driver); + kfree(ibm->driver); + } +} + +static void __init ibm_handle_init(char *name, + acpi_handle * handle, acpi_handle parent, + char **paths, int num_paths, char **path) +{ + int i; + acpi_status status; + + for (i = 0; i < num_paths; i++) { + status = acpi_get_handle(parent, paths[i], handle); + if (ACPI_SUCCESS(status)) { + *path = paths[i]; + return; + } + } + + *handle = NULL; +} + +#define IBM_HANDLE_INIT(object) \ + ibm_handle_init(#object, &object##_handle, *object##_parent, \ + object##_paths, ARRAY_SIZE(object##_paths), &object##_path) + +static int set_ibm_param(const char *val, struct kernel_param *kp) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(ibms); i++) + if (strcmp(ibms[i].name, kp->name) == 0 && ibms[i].write) { + if (strlen(val) > sizeof(ibms[i].param) - 2) + return -ENOSPC; + strcpy(ibms[i].param, val); + strcat(ibms[i].param, ","); + return 0; + } + + return -EINVAL; +} + +#define IBM_PARAM(feature) \ + module_param_call(feature, set_ibm_param, NULL, NULL, 0) + +IBM_PARAM(hotkey); +IBM_PARAM(bluetooth); +IBM_PARAM(video); +IBM_PARAM(light); +IBM_PARAM(dock); +IBM_PARAM(bay); +IBM_PARAM(cmos); +IBM_PARAM(led); +IBM_PARAM(beep); +IBM_PARAM(ecdump); +IBM_PARAM(brightness); +IBM_PARAM(volume); +IBM_PARAM(fan); + +static void acpi_ibm_exit(void) +{ + int i; + + for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) + ibm_exit(&ibms[i]); + + remove_proc_entry(IBM_DIR, acpi_root_dir); +} + +static int __init acpi_ibm_init(void) +{ + int ret, i; + + if (acpi_disabled) + return -ENODEV; + + if (!acpi_specific_hotkey_enabled) { + printk(IBM_ERR "using generic hotkey driver\n"); + return -ENODEV; + } + + /* ec is required because many other handles are relative to it */ + IBM_HANDLE_INIT(ec); + if (!ec_handle) { + printk(IBM_ERR "ec object not found\n"); + return -ENODEV; + } + + /* these handles are not required */ + IBM_HANDLE_INIT(vid); + IBM_HANDLE_INIT(vid2); + IBM_HANDLE_INIT(ledb); + IBM_HANDLE_INIT(led); + IBM_HANDLE_INIT(hkey); + IBM_HANDLE_INIT(lght); + IBM_HANDLE_INIT(cmos); + IBM_HANDLE_INIT(dock); + IBM_HANDLE_INIT(pci); + IBM_HANDLE_INIT(bay); + if (bay_handle) + IBM_HANDLE_INIT(bay_ej); + IBM_HANDLE_INIT(bay2); + if (bay2_handle) + IBM_HANDLE_INIT(bay2_ej); + IBM_HANDLE_INIT(beep); + IBM_HANDLE_INIT(ecrd); + IBM_HANDLE_INIT(ecwr); + IBM_HANDLE_INIT(fans); + IBM_HANDLE_INIT(gfan); + IBM_HANDLE_INIT(sfan); + + proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); + if (!proc_dir) { + printk(IBM_ERR "unable to create proc dir %s", IBM_DIR); + return -ENODEV; + } + proc_dir->owner = THIS_MODULE; + + for (i = 0; i < ARRAY_SIZE(ibms); i++) { + ret = ibm_init(&ibms[i]); + if (ret >= 0 && *ibms[i].param) + ret = ibms[i].write(ibms[i].param); + if (ret < 0) { + acpi_ibm_exit(); + return ret; + } + } + + return 0; +} + +module_init(acpi_ibm_init); +module_exit(acpi_ibm_exit); diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c deleted file mode 100644 index 5cc0903..0000000 --- a/drivers/acpi/ibm_acpi.c +++ /dev/null @@ -1,1966 +0,0 @@ -/* - * ibm_acpi.c - IBM ThinkPad ACPI Extras - * - * - * Copyright (C) 2004-2005 Borislav Deianov - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define IBM_VERSION "0.12a" - -/* - * Changelog: - * - * 2005-08-17 0.12 fix compilation on 2.6.13-rc kernels - * 2005-03-17 0.11 support for 600e, 770x - * thanks to Jamie Lentin - * support for 770e, G41 - * G40 and G41 don't have a thinklight - * temperatures no longer experimental - * experimental brightness control - * experimental volume control - * experimental fan enable/disable - * 2005-01-16 0.10 fix module loading on R30, R31 - * 2005-01-16 0.9 support for 570, R30, R31 - * ultrabay support on A22p, A3x - * limit arg for cmos, led, beep, drop experimental status - * more capable led control on A21e, A22p, T20-22, X20 - * experimental temperatures and fan speed - * experimental embedded controller register dump - * mark more functions as __init, drop incorrect __exit - * use MODULE_VERSION - * thanks to Henrik Brix Andersen - * fix parameter passing on module loading - * thanks to Rusty Russell - * thanks to Jim Radford - * 2004-11-08 0.8 fix init error case, don't return from a macro - * thanks to Chris Wright - * 2004-10-23 0.7 fix module loading on A21e, A22p, T20, T21, X20 - * fix led control on A21e - * 2004-10-19 0.6 use acpi_bus_register_driver() to claim HKEY device - * 2004-10-18 0.5 thinklight support on A21e, G40, R32, T20, T21, X20 - * proc file format changed - * video_switch command - * experimental cmos control - * experimental led control - * experimental acpi sounds - * 2004-09-16 0.4 support for module parameters - * hotkey mask can be prefixed by 0x - * video output switching - * video expansion control - * ultrabay eject support - * removed lcd brightness/on/off control, didn't work - * 2004-08-17 0.3 support for R40 - * lcd off, brightness control - * thinklight on/off - * 2004-08-14 0.2 support for T series, X20 - * bluetooth enable/disable - * hotkey events disabled by default - * removed fan control, currently useless - * 2004-08-09 0.1 initial release, support for X series - */ - -#include -#include -#include -#include -#include -#include - -#include -#include - -#define IBM_NAME "ibm" -#define IBM_DESC "IBM ThinkPad ACPI Extras" -#define IBM_FILE "ibm_acpi" -#define IBM_URL "http://ibm-acpi.sf.net/" - -MODULE_AUTHOR("Borislav Deianov"); -MODULE_DESCRIPTION(IBM_DESC); -MODULE_VERSION(IBM_VERSION); -MODULE_LICENSE("GPL"); - -#define IBM_DIR IBM_NAME - -#define IBM_LOG IBM_FILE ": " -#define IBM_ERR KERN_ERR IBM_LOG -#define IBM_NOTICE KERN_NOTICE IBM_LOG -#define IBM_INFO KERN_INFO IBM_LOG -#define IBM_DEBUG KERN_DEBUG IBM_LOG - -#define IBM_MAX_ACPI_ARGS 3 - -#define __unused __attribute__ ((unused)) - -static int experimental; -module_param(experimental, int, 0); - -static acpi_handle root_handle = NULL; - -#define IBM_HANDLE(object, parent, paths...) \ - static acpi_handle object##_handle; \ - static acpi_handle *object##_parent = &parent##_handle; \ - static char *object##_path; \ - static char *object##_paths[] = { paths } - -/* - * The following models are supported to various degrees: - * - * 570, 600e, 600x, 770e, 770x - * A20m, A21e, A21m, A21p, A22p, A30, A30p, A31, A31p - * G40, G41 - * R30, R31, R32, R40, R40e, R50, R50e, R50p, R51 - * T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43 - * X20, X21, X22, X23, X24, X30, X31, X40 - * - * The following models have no supported features: - * - * 240, 240x, i1400 - * - * Still missing DSDTs for the following models: - * - * A20p, A22e, A22m - * R52 - * S31 - * T43p - */ - -IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */ - "\\_SB.PCI.ISA.EC", /* 570 */ - "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */ - "\\_SB.PCI0.ISA.EC", /* A21e, A2xm/p, T20-22, X20-21 */ - "\\_SB.PCI0.AD4S.EC0", /* i1400, R30 */ - "\\_SB.PCI0.ICH3.EC0", /* R31 */ - "\\_SB.PCI0.LPC.EC", /* all others */ - ); - -IBM_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ - "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ - "\\_SB.PCI0.VID0", /* 770e */ - "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ - "\\_SB.PCI0.AGP.VID", /* all others */ - ); /* R30, R31 */ - -IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */ - -IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */ - "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */ - "\\CMS", /* R40, R40e */ - ); /* all others */ - -IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ - "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */ - "\\_SB.PCI0.PCI1.DOCK", /* all others */ - "\\_SB.PCI.ISA.SLCE", /* 570 */ - ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ - -IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ - "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ - "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ - ); /* A21e, R30, R31 */ - -IBM_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */ - "_EJ0", /* all others */ - ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */ - -IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */ - "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */ - ); /* all others */ - -IBM_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */ - "_EJ0", /* 770x */ - ); /* all others */ - -/* don't list other alternatives as we install a notify handler on the 570 */ -IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */ - -IBM_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ - "^HKEY", /* R30, R31 */ - "HKEY", /* all others */ - ); /* 570 */ - -IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */ -IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */ - -IBM_HANDLE(led, ec, "SLED", /* 570 */ - "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ - "LED", /* all others */ - ); /* R30, R31 */ - -IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */ -IBM_HANDLE(ecrd, ec, "ECRD"); /* 570 */ -IBM_HANDLE(ecwr, ec, "ECWR"); /* 570 */ -IBM_HANDLE(fans, ec, "FANS"); /* X31, X40 */ - -IBM_HANDLE(gfan, ec, "GFAN", /* 570 */ - "\\FSPD", /* 600e/x, 770e, 770x */ - ); /* all others */ - -IBM_HANDLE(sfan, ec, "SFAN", /* 570 */ - "JFNS", /* 770x-JL */ - ); /* all others */ - -#define IBM_HKEY_HID "IBM0068" -#define IBM_PCI_HID "PNP0A03" - -struct ibm_struct { - char *name; - char param[32]; - - char *hid; - struct acpi_driver *driver; - - int (*init) (void); - int (*read) (char *); - int (*write) (char *); - void (*exit) (void); - - void (*notify) (struct ibm_struct *, u32); - acpi_handle *handle; - int type; - struct acpi_device *device; - - int driver_registered; - int proc_created; - int init_called; - int notify_installed; - - int experimental; -}; - -static struct proc_dir_entry *proc_dir = NULL; - -#define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") -#define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") -#define strlencmp(a,b) (strncmp((a), (b), strlen(b))) - -static int acpi_evalf(acpi_handle handle, - void *res, char *method, char *fmt, ...) -{ - char *fmt0 = fmt; - struct acpi_object_list params; - union acpi_object in_objs[IBM_MAX_ACPI_ARGS]; - struct acpi_buffer result, *resultp; - union acpi_object out_obj; - acpi_status status; - va_list ap; - char res_type; - int success; - int quiet; - - if (!*fmt) { - printk(IBM_ERR "acpi_evalf() called with empty format\n"); - return 0; - } - - if (*fmt == 'q') { - quiet = 1; - fmt++; - } else - quiet = 0; - - res_type = *(fmt++); - - params.count = 0; - params.pointer = &in_objs[0]; - - va_start(ap, fmt); - while (*fmt) { - char c = *(fmt++); - switch (c) { - case 'd': /* int */ - in_objs[params.count].integer.value = va_arg(ap, int); - in_objs[params.count++].type = ACPI_TYPE_INTEGER; - break; - /* add more types as needed */ - default: - printk(IBM_ERR "acpi_evalf() called " - "with invalid format character '%c'\n", c); - return 0; - } - } - va_end(ap); - - if (res_type != 'v') { - result.length = sizeof(out_obj); - result.pointer = &out_obj; - resultp = &result; - } else - resultp = NULL; - - status = acpi_evaluate_object(handle, method, ¶ms, resultp); - - switch (res_type) { - case 'd': /* int */ - if (res) - *(int *)res = out_obj.integer.value; - success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER; - break; - case 'v': /* void */ - success = status == AE_OK; - break; - /* add more types as needed */ - default: - printk(IBM_ERR "acpi_evalf() called " - "with invalid format character '%c'\n", res_type); - return 0; - } - - if (!success && !quiet) - printk(IBM_ERR "acpi_evalf(%s, %s, ...) failed: %d\n", - method, fmt0, status); - - return success; -} - -static void __unused acpi_print_int(acpi_handle handle, char *method) -{ - int i; - - if (acpi_evalf(handle, &i, method, "d")) - printk(IBM_INFO "%s = 0x%x\n", method, i); - else - printk(IBM_ERR "error calling %s\n", method); -} - -static char *next_cmd(char **cmds) -{ - char *start = *cmds; - char *end; - - while ((end = strchr(start, ',')) && end == start) - start = end + 1; - - if (!end) - return NULL; - - *end = 0; - *cmds = end + 1; - return start; -} - -static int driver_init(void) -{ - printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); - printk(IBM_INFO "%s\n", IBM_URL); - - return 0; -} - -static int driver_read(char *p) -{ - int len = 0; - - len += sprintf(p + len, "driver:\t\t%s\n", IBM_DESC); - len += sprintf(p + len, "version:\t%s\n", IBM_VERSION); - - return len; -} - -static int hotkey_supported; -static int hotkey_mask_supported; -static int hotkey_orig_status; -static int hotkey_orig_mask; - -static int hotkey_get(int *status, int *mask) -{ - if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) - return 0; - - if (hotkey_mask_supported) - if (!acpi_evalf(hkey_handle, mask, "DHKN", "d")) - return 0; - - return 1; -} - -static int hotkey_set(int status, int mask) -{ - int i; - - if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) - return 0; - - if (hotkey_mask_supported) - for (i = 0; i < 32; i++) { - int bit = ((1 << i) & mask) != 0; - if (!acpi_evalf(hkey_handle, - NULL, "MHKM", "vdd", i + 1, bit)) - return 0; - } - - return 1; -} - -static int hotkey_init(void) -{ - /* hotkey not supported on 570 */ - hotkey_supported = hkey_handle != NULL; - - if (hotkey_supported) { - /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, - A30, R30, R31, T20-22, X20-21, X22-24 */ - hotkey_mask_supported = - acpi_evalf(hkey_handle, NULL, "DHKN", "qv"); - - if (!hotkey_get(&hotkey_orig_status, &hotkey_orig_mask)) - return -ENODEV; - } - - return 0; -} - -static int hotkey_read(char *p) -{ - int status, mask; - int len = 0; - - if (!hotkey_supported) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - return len; - } - - if (!hotkey_get(&status, &mask)) - return -EIO; - - len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); - if (hotkey_mask_supported) { - len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); - len += sprintf(p + len, - "commands:\tenable, disable, reset, \n"); - } else { - len += sprintf(p + len, "mask:\t\tnot supported\n"); - len += sprintf(p + len, "commands:\tenable, disable, reset\n"); - } - - return len; -} - -static int hotkey_write(char *buf) -{ - int status, mask; - char *cmd; - int do_cmd = 0; - - if (!hotkey_supported) - return -ENODEV; - - if (!hotkey_get(&status, &mask)) - return -EIO; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "enable") == 0) { - status = 1; - } else if (strlencmp(cmd, "disable") == 0) { - status = 0; - } else if (strlencmp(cmd, "reset") == 0) { - status = hotkey_orig_status; - mask = hotkey_orig_mask; - } else if (sscanf(cmd, "0x%x", &mask) == 1) { - /* mask set */ - } else if (sscanf(cmd, "%x", &mask) == 1) { - /* mask set */ - } else - return -EINVAL; - do_cmd = 1; - } - - if (do_cmd && !hotkey_set(status, mask)) - return -EIO; - - return 0; -} - -static void hotkey_exit(void) -{ - if (hotkey_supported) - hotkey_set(hotkey_orig_status, hotkey_orig_mask); -} - -static void hotkey_notify(struct ibm_struct *ibm, u32 event) -{ - int hkey; - - if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) - acpi_bus_generate_event(ibm->device, event, hkey); - else { - printk(IBM_ERR "unknown hotkey event %d\n", event); - acpi_bus_generate_event(ibm->device, event, 0); - } -} - -static int bluetooth_supported; - -static int bluetooth_init(void) -{ - /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, - G4x, R30, R31, R40e, R50e, T20-22, X20-21 */ - bluetooth_supported = hkey_handle && - acpi_evalf(hkey_handle, NULL, "GBDC", "qv"); - - return 0; -} - -static int bluetooth_status(void) -{ - int status; - - if (!bluetooth_supported || - !acpi_evalf(hkey_handle, &status, "GBDC", "d")) - status = 0; - - return status; -} - -static int bluetooth_read(char *p) -{ - int len = 0; - int status = bluetooth_status(); - - if (!bluetooth_supported) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else if (!(status & 1)) - len += sprintf(p + len, "status:\t\tnot installed\n"); - else { - len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1)); - len += sprintf(p + len, "commands:\tenable, disable\n"); - } - - return len; -} - -static int bluetooth_write(char *buf) -{ - int status = bluetooth_status(); - char *cmd; - int do_cmd = 0; - - if (!bluetooth_supported) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "enable") == 0) { - status |= 2; - } else if (strlencmp(cmd, "disable") == 0) { - status &= ~2; - } else - return -EINVAL; - do_cmd = 1; - } - - if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) - return -EIO; - - return 0; -} - -static int video_supported; -static int video_orig_autosw; - -#define VIDEO_570 1 -#define VIDEO_770 2 -#define VIDEO_NEW 3 - -static int video_init(void) -{ - int ivga; - - if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga) - /* G41, assume IVGA doesn't change */ - vid_handle = vid2_handle; - - if (!vid_handle) - /* video switching not supported on R30, R31 */ - video_supported = 0; - else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd")) - /* 570 */ - video_supported = VIDEO_570; - else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd")) - /* 600e/x, 770e, 770x */ - video_supported = VIDEO_770; - else - /* all others */ - video_supported = VIDEO_NEW; - - return 0; -} - -static int video_status(void) -{ - int status = 0; - int i; - - if (video_supported == VIDEO_570) { - if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87)) - status = i & 3; - } else if (video_supported == VIDEO_770) { - if (acpi_evalf(NULL, &i, "\\VCDL", "d")) - status |= 0x01 * i; - if (acpi_evalf(NULL, &i, "\\VCDC", "d")) - status |= 0x02 * i; - } else if (video_supported == VIDEO_NEW) { - acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); - if (acpi_evalf(NULL, &i, "\\VCDC", "d")) - status |= 0x02 * i; - - acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0); - if (acpi_evalf(NULL, &i, "\\VCDL", "d")) - status |= 0x01 * i; - if (acpi_evalf(NULL, &i, "\\VCDD", "d")) - status |= 0x08 * i; - } - - return status; -} - -static int video_autosw(void) -{ - int autosw = 0; - - if (video_supported == VIDEO_570) - acpi_evalf(vid_handle, &autosw, "SWIT", "d"); - else if (video_supported == VIDEO_770 || video_supported == VIDEO_NEW) - acpi_evalf(vid_handle, &autosw, "^VDEE", "d"); - - return autosw & 1; -} - -static int video_read(char *p) -{ - int status = video_status(); - int autosw = video_autosw(); - int len = 0; - - if (!video_supported) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - return len; - } - - len += sprintf(p + len, "status:\t\tsupported\n"); - len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); - len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); - if (video_supported == VIDEO_NEW) - len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); - len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0)); - len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n"); - len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n"); - if (video_supported == VIDEO_NEW) - len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n"); - len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n"); - len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); - - return len; -} - -static int video_switch(void) -{ - int autosw = video_autosw(); - int ret; - - if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) - return -EIO; - ret = video_supported == VIDEO_570 ? - acpi_evalf(ec_handle, NULL, "_Q16", "v") : - acpi_evalf(vid_handle, NULL, "VSWT", "v"); - acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); - - return ret; -} - -static int video_expand(void) -{ - if (video_supported == VIDEO_570) - return acpi_evalf(ec_handle, NULL, "_Q17", "v"); - else if (video_supported == VIDEO_770) - return acpi_evalf(vid_handle, NULL, "VEXP", "v"); - else - return acpi_evalf(NULL, NULL, "\\VEXP", "v"); -} - -static int video_switch2(int status) -{ - int ret; - - if (video_supported == VIDEO_570) { - ret = acpi_evalf(NULL, NULL, - "\\_SB.PHS2", "vdd", 0x8b, status | 0x80); - } else if (video_supported == VIDEO_770) { - int autosw = video_autosw(); - if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) - return -EIO; - - ret = acpi_evalf(vid_handle, NULL, - "ASWT", "vdd", status * 0x100, 0); - - acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); - } else { - ret = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) && - acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1); - } - - return ret; -} - -static int video_write(char *buf) -{ - char *cmd; - int enable, disable, status; - - if (!video_supported) - return -ENODEV; - - enable = disable = 0; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "lcd_enable") == 0) { - enable |= 0x01; - } else if (strlencmp(cmd, "lcd_disable") == 0) { - disable |= 0x01; - } else if (strlencmp(cmd, "crt_enable") == 0) { - enable |= 0x02; - } else if (strlencmp(cmd, "crt_disable") == 0) { - disable |= 0x02; - } else if (video_supported == VIDEO_NEW && - strlencmp(cmd, "dvi_enable") == 0) { - enable |= 0x08; - } else if (video_supported == VIDEO_NEW && - strlencmp(cmd, "dvi_disable") == 0) { - disable |= 0x08; - } else if (strlencmp(cmd, "auto_enable") == 0) { - if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) - return -EIO; - } else if (strlencmp(cmd, "auto_disable") == 0) { - if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0)) - return -EIO; - } else if (strlencmp(cmd, "video_switch") == 0) { - if (!video_switch()) - return -EIO; - } else if (strlencmp(cmd, "expand_toggle") == 0) { - if (!video_expand()) - return -EIO; - } else - return -EINVAL; - } - - if (enable || disable) { - status = (video_status() & 0x0f & ~disable) | enable; - if (!video_switch2(status)) - return -EIO; - } - - return 0; -} - -static void video_exit(void) -{ - acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw); -} - -static int light_supported; -static int light_status_supported; - -static int light_init(void) -{ - /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */ - light_supported = (cmos_handle || lght_handle) && !ledb_handle; - - if (light_supported) - /* light status not supported on - 570, 600e/x, 770e, 770x, G4x, R30, R31, R32, X20 */ - light_status_supported = acpi_evalf(ec_handle, NULL, - "KBLT", "qv"); - - return 0; -} - -static int light_read(char *p) -{ - int len = 0; - int status = 0; - - if (!light_supported) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - } else if (!light_status_supported) { - len += sprintf(p + len, "status:\t\tunknown\n"); - len += sprintf(p + len, "commands:\ton, off\n"); - } else { - if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) - return -EIO; - len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0)); - len += sprintf(p + len, "commands:\ton, off\n"); - } - - return len; -} - -static int light_write(char *buf) -{ - int cmos_cmd, lght_cmd; - char *cmd; - int success; - - if (!light_supported) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "on") == 0) { - cmos_cmd = 0x0c; - lght_cmd = 1; - } else if (strlencmp(cmd, "off") == 0) { - cmos_cmd = 0x0d; - lght_cmd = 0; - } else - return -EINVAL; - - success = cmos_handle ? - acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) : - acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd); - if (!success) - return -EIO; - } - - return 0; -} - -static int _sta(acpi_handle handle) -{ - int status; - - if (!handle || !acpi_evalf(handle, &status, "_STA", "d")) - status = 0; - - return status; -} - -#define dock_docked() (_sta(dock_handle) & 1) - -static int dock_read(char *p) -{ - int len = 0; - int docked = dock_docked(); - - if (!dock_handle) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else if (!docked) - len += sprintf(p + len, "status:\t\tundocked\n"); - else { - len += sprintf(p + len, "status:\t\tdocked\n"); - len += sprintf(p + len, "commands:\tdock, undock\n"); - } - - return len; -} - -static int dock_write(char *buf) -{ - char *cmd; - - if (!dock_docked()) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "undock") == 0) { - if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) || - !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1)) - return -EIO; - } else if (strlencmp(cmd, "dock") == 0) { - if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) - return -EIO; - } else - return -EINVAL; - } - - return 0; -} - -static void dock_notify(struct ibm_struct *ibm, u32 event) -{ - int docked = dock_docked(); - int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID); - - if (event == 1 && !pci) /* 570 */ - acpi_bus_generate_event(ibm->device, event, 1); /* button */ - else if (event == 1 && pci) /* 570 */ - acpi_bus_generate_event(ibm->device, event, 3); /* dock */ - else if (event == 3 && docked) - acpi_bus_generate_event(ibm->device, event, 1); /* button */ - else if (event == 3 && !docked) - acpi_bus_generate_event(ibm->device, event, 2); /* undock */ - else if (event == 0 && docked) - acpi_bus_generate_event(ibm->device, event, 3); /* dock */ - else { - printk(IBM_ERR "unknown dock event %d, status %d\n", - event, _sta(dock_handle)); - acpi_bus_generate_event(ibm->device, event, 0); /* unknown */ - } -} - -static int bay_status_supported; -static int bay_status2_supported; -static int bay_eject_supported; -static int bay_eject2_supported; - -static int bay_init(void) -{ - bay_status_supported = bay_handle && - acpi_evalf(bay_handle, NULL, "_STA", "qv"); - bay_status2_supported = bay2_handle && - acpi_evalf(bay2_handle, NULL, "_STA", "qv"); - - bay_eject_supported = bay_handle && bay_ej_handle && - (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental); - bay_eject2_supported = bay2_handle && bay2_ej_handle && - (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental); - - return 0; -} - -#define bay_occupied(b) (_sta(b##_handle) & 1) - -static int bay_read(char *p) -{ - int len = 0; - int occupied = bay_occupied(bay); - int occupied2 = bay_occupied(bay2); - int eject, eject2; - - len += sprintf(p + len, "status:\t\t%s\n", bay_status_supported ? - (occupied ? "occupied" : "unoccupied") : - "not supported"); - if (bay_status2_supported) - len += sprintf(p + len, "status2:\t%s\n", occupied2 ? - "occupied" : "unoccupied"); - - eject = bay_eject_supported && occupied; - eject2 = bay_eject2_supported && occupied2; - - if (eject && eject2) - len += sprintf(p + len, "commands:\teject, eject2\n"); - else if (eject) - len += sprintf(p + len, "commands:\teject\n"); - else if (eject2) - len += sprintf(p + len, "commands:\teject2\n"); - - return len; -} - -static int bay_write(char *buf) -{ - char *cmd; - - if (!bay_eject_supported && !bay_eject2_supported) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (bay_eject_supported && strlencmp(cmd, "eject") == 0) { - if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1)) - return -EIO; - } else if (bay_eject2_supported && - strlencmp(cmd, "eject2") == 0) { - if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1)) - return -EIO; - } else - return -EINVAL; - } - - return 0; -} - -static void bay_notify(struct ibm_struct *ibm, u32 event) -{ - acpi_bus_generate_event(ibm->device, event, 0); -} - -static int cmos_read(char *p) -{ - int len = 0; - - /* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, - R30, R31, T20-22, X20-21 */ - if (!cmos_handle) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else { - len += sprintf(p + len, "status:\t\tsupported\n"); - len += sprintf(p + len, "commands:\t ( is 0-21)\n"); - } - - return len; -} - -static int cmos_eval(int cmos_cmd) -{ - if (cmos_handle) - return acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd); - else - return 1; -} - -static int cmos_write(char *buf) -{ - char *cmd; - int cmos_cmd; - - if (!cmos_handle) - return -EINVAL; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%u", &cmos_cmd) == 1 && - cmos_cmd >= 0 && cmos_cmd <= 21) { - /* cmos_cmd set */ - } else - return -EINVAL; - - if (!cmos_eval(cmos_cmd)) - return -EIO; - } - - return 0; -} - -static int led_supported; - -#define LED_570 1 -#define LED_OLD 2 -#define LED_NEW 3 - -static int led_init(void) -{ - if (!led_handle) - /* led not supported on R30, R31 */ - led_supported = 0; - else if (strlencmp(led_path, "SLED") == 0) - /* 570 */ - led_supported = LED_570; - else if (strlencmp(led_path, "SYSL") == 0) - /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ - led_supported = LED_OLD; - else - /* all others */ - led_supported = LED_NEW; - - return 0; -} - -#define led_status(s) ((s) == 0 ? "off" : ((s) == 1 ? "on" : "blinking")) - -static int led_read(char *p) -{ - int len = 0; - - if (!led_supported) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - return len; - } - len += sprintf(p + len, "status:\t\tsupported\n"); - - if (led_supported == LED_570) { - /* 570 */ - int i, status; - for (i = 0; i < 8; i++) { - if (!acpi_evalf(ec_handle, - &status, "GLED", "dd", 1 << i)) - return -EIO; - len += sprintf(p + len, "%d:\t\t%s\n", - i, led_status(status)); - } - } - - len += sprintf(p + len, "commands:\t" - " on, off, blink ( is 0-7)\n"); - - return len; -} - -/* off, on, blink */ -static const int led_sled_arg1[] = { 0, 1, 3 }; -static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ -static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ -static const int led_led_arg1[] = { 0, 0x80, 0xc0 }; - -#define EC_HLCL 0x0c -#define EC_HLBL 0x0d -#define EC_HLMS 0x0e - -static int led_write(char *buf) -{ - char *cmd; - int led, ind, ret; - - if (!led_supported) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7) - return -EINVAL; - - if (strstr(cmd, "off")) { - ind = 0; - } else if (strstr(cmd, "on")) { - ind = 1; - } else if (strstr(cmd, "blink")) { - ind = 2; - } else - return -EINVAL; - - if (led_supported == LED_570) { - /* 570 */ - led = 1 << led; - if (!acpi_evalf(led_handle, NULL, NULL, "vdd", - led, led_sled_arg1[ind])) - return -EIO; - } else if (led_supported == LED_OLD) { - /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ - led = 1 << led; - ret = ec_write(EC_HLMS, led); - if (ret >= 0) - ret = - ec_write(EC_HLBL, led * led_exp_hlbl[ind]); - if (ret >= 0) - ret = - ec_write(EC_HLCL, led * led_exp_hlcl[ind]); - if (ret < 0) - return ret; - } else { - /* all others */ - if (!acpi_evalf(led_handle, NULL, NULL, "vdd", - led, led_led_arg1[ind])) - return -EIO; - } - } - - return 0; -} - -static int beep_read(char *p) -{ - int len = 0; - - if (!beep_handle) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else { - len += sprintf(p + len, "status:\t\tsupported\n"); - len += sprintf(p + len, "commands:\t ( is 0-17)\n"); - } - - return len; -} - -static int beep_write(char *buf) -{ - char *cmd; - int beep_cmd; - - if (!beep_handle) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%u", &beep_cmd) == 1 && - beep_cmd >= 0 && beep_cmd <= 17) { - /* beep_cmd set */ - } else - return -EINVAL; - if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0)) - return -EIO; - } - - return 0; -} - -static int acpi_ec_read(int i, u8 * p) -{ - int v; - - if (ecrd_handle) { - if (!acpi_evalf(ecrd_handle, &v, NULL, "dd", i)) - return 0; - *p = v; - } else { - if (ec_read(i, p) < 0) - return 0; - } - - return 1; -} - -static int acpi_ec_write(int i, u8 v) -{ - if (ecwr_handle) { - if (!acpi_evalf(ecwr_handle, NULL, NULL, "vdd", i, v)) - return 0; - } else { - if (ec_write(i, v) < 0) - return 0; - } - - return 1; -} - -static int thermal_tmp_supported; -static int thermal_updt_supported; - -static int thermal_init(void) -{ - /* temperatures not supported on 570, G4x, R30, R31, R32 */ - thermal_tmp_supported = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); - - /* 600e/x, 770e, 770x */ - thermal_updt_supported = acpi_evalf(ec_handle, NULL, "UPDT", "qv"); - - return 0; -} - -static int thermal_read(char *p) -{ - int len = 0; - - if (!thermal_tmp_supported) - len += sprintf(p + len, "temperatures:\tnot supported\n"); - else { - int i, t; - char tmpi[] = "TMPi"; - s8 tmp[8]; - - if (thermal_updt_supported) - if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) - return -EIO; - - for (i = 0; i < 8; i++) { - tmpi[3] = '0' + i; - if (!acpi_evalf(ec_handle, &t, tmpi, "d")) - return -EIO; - if (thermal_updt_supported) - tmp[i] = (t - 2732 + 5) / 10; - else - tmp[i] = t; - } - - len += sprintf(p + len, - "temperatures:\t%d %d %d %d %d %d %d %d\n", - tmp[0], tmp[1], tmp[2], tmp[3], - tmp[4], tmp[5], tmp[6], tmp[7]); - } - - return len; -} - -static u8 ecdump_regs[256]; - -static int ecdump_read(char *p) -{ - int len = 0; - int i, j; - u8 v; - - len += sprintf(p + len, "EC " - " +00 +01 +02 +03 +04 +05 +06 +07" - " +08 +09 +0a +0b +0c +0d +0e +0f\n"); - for (i = 0; i < 256; i += 16) { - len += sprintf(p + len, "EC 0x%02x:", i); - for (j = 0; j < 16; j++) { - if (!acpi_ec_read(i + j, &v)) - break; - if (v != ecdump_regs[i + j]) - len += sprintf(p + len, " *%02x", v); - else - len += sprintf(p + len, " %02x", v); - ecdump_regs[i + j] = v; - } - len += sprintf(p + len, "\n"); - if (j != 16) - break; - } - - /* These are way too dangerous to advertise openly... */ -#if 0 - len += sprintf(p + len, "commands:\t0x 0x" - " ( is 00-ff, is 00-ff)\n"); - len += sprintf(p + len, "commands:\t0x " - " ( is 00-ff, is 0-255)\n"); -#endif - return len; -} - -static int ecdump_write(char *buf) -{ - char *cmd; - int i, v; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "0x%x 0x%x", &i, &v) == 2) { - /* i and v set */ - } else if (sscanf(cmd, "0x%x %u", &i, &v) == 2) { - /* i and v set */ - } else - return -EINVAL; - if (i >= 0 && i < 256 && v >= 0 && v < 256) { - if (!acpi_ec_write(i, v)) - return -EIO; - } else - return -EINVAL; - } - - return 0; -} - -static int brightness_offset = 0x31; - -static int brightness_read(char *p) -{ - int len = 0; - u8 level; - - if (!acpi_ec_read(brightness_offset, &level)) { - len += sprintf(p + len, "level:\t\tunreadable\n"); - } else { - len += sprintf(p + len, "level:\t\t%d\n", level & 0x7); - len += sprintf(p + len, "commands:\tup, down\n"); - len += sprintf(p + len, "commands:\tlevel " - " ( is 0-7)\n"); - } - - return len; -} - -#define BRIGHTNESS_UP 4 -#define BRIGHTNESS_DOWN 5 - -static int brightness_write(char *buf) -{ - int cmos_cmd, inc, i; - u8 level; - int new_level; - char *cmd; - - while ((cmd = next_cmd(&buf))) { - if (!acpi_ec_read(brightness_offset, &level)) - return -EIO; - level &= 7; - - if (strlencmp(cmd, "up") == 0) { - new_level = level == 7 ? 7 : level + 1; - } else if (strlencmp(cmd, "down") == 0) { - new_level = level == 0 ? 0 : level - 1; - } else if (sscanf(cmd, "level %d", &new_level) == 1 && - new_level >= 0 && new_level <= 7) { - /* new_level set */ - } else - return -EINVAL; - - cmos_cmd = new_level > level ? BRIGHTNESS_UP : BRIGHTNESS_DOWN; - inc = new_level > level ? 1 : -1; - for (i = level; i != new_level; i += inc) { - if (!cmos_eval(cmos_cmd)) - return -EIO; - if (!acpi_ec_write(brightness_offset, i + inc)) - return -EIO; - } - } - - return 0; -} - -static int volume_offset = 0x30; - -static int volume_read(char *p) -{ - int len = 0; - u8 level; - - if (!acpi_ec_read(volume_offset, &level)) { - len += sprintf(p + len, "level:\t\tunreadable\n"); - } else { - len += sprintf(p + len, "level:\t\t%d\n", level & 0xf); - len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6)); - len += sprintf(p + len, "commands:\tup, down, mute\n"); - len += sprintf(p + len, "commands:\tlevel " - " ( is 0-15)\n"); - } - - return len; -} - -#define VOLUME_DOWN 0 -#define VOLUME_UP 1 -#define VOLUME_MUTE 2 - -static int volume_write(char *buf) -{ - int cmos_cmd, inc, i; - u8 level, mute; - int new_level, new_mute; - char *cmd; - - while ((cmd = next_cmd(&buf))) { - if (!acpi_ec_read(volume_offset, &level)) - return -EIO; - new_mute = mute = level & 0x40; - new_level = level = level & 0xf; - - if (strlencmp(cmd, "up") == 0) { - if (mute) - new_mute = 0; - else - new_level = level == 15 ? 15 : level + 1; - } else if (strlencmp(cmd, "down") == 0) { - if (mute) - new_mute = 0; - else - new_level = level == 0 ? 0 : level - 1; - } else if (sscanf(cmd, "level %d", &new_level) == 1 && - new_level >= 0 && new_level <= 15) { - /* new_level set */ - } else if (strlencmp(cmd, "mute") == 0) { - new_mute = 0x40; - } else - return -EINVAL; - - if (new_level != level) { /* mute doesn't change */ - cmos_cmd = new_level > level ? VOLUME_UP : VOLUME_DOWN; - inc = new_level > level ? 1 : -1; - - if (mute && (!cmos_eval(cmos_cmd) || - !acpi_ec_write(volume_offset, level))) - return -EIO; - - for (i = level; i != new_level; i += inc) - if (!cmos_eval(cmos_cmd) || - !acpi_ec_write(volume_offset, i + inc)) - return -EIO; - - if (mute && (!cmos_eval(VOLUME_MUTE) || - !acpi_ec_write(volume_offset, - new_level + mute))) - return -EIO; - } - - if (new_mute != mute) { /* level doesn't change */ - cmos_cmd = new_mute ? VOLUME_MUTE : VOLUME_UP; - - if (!cmos_eval(cmos_cmd) || - !acpi_ec_write(volume_offset, level + new_mute)) - return -EIO; - } - } - - return 0; -} - -static int fan_status_offset = 0x2f; -static int fan_rpm_offset = 0x84; - -static int fan_read(char *p) -{ - int len = 0; - int s; - u8 lo, hi, status; - - if (gfan_handle) { - /* 570, 600e/x, 770e, 770x */ - if (!acpi_evalf(gfan_handle, &s, NULL, "d")) - return -EIO; - - len += sprintf(p + len, "level:\t\t%d\n", s); - } else { - /* all except 570, 600e/x, 770e, 770x */ - if (!acpi_ec_read(fan_status_offset, &status)) - len += sprintf(p + len, "status:\t\tunreadable\n"); - else - len += sprintf(p + len, "status:\t\t%s\n", - enabled(status, 7)); - - if (!acpi_ec_read(fan_rpm_offset, &lo) || - !acpi_ec_read(fan_rpm_offset + 1, &hi)) - len += sprintf(p + len, "speed:\t\tunreadable\n"); - else - len += sprintf(p + len, "speed:\t\t%d\n", - (hi << 8) + lo); - } - - if (sfan_handle) - /* 570, 770x-JL */ - len += sprintf(p + len, "commands:\tlevel " - " ( is 0-7)\n"); - if (!gfan_handle) - /* all except 570, 600e/x, 770e, 770x */ - len += sprintf(p + len, "commands:\tenable, disable\n"); - if (fans_handle) - /* X31, X40 */ - len += sprintf(p + len, "commands:\tspeed " - " ( is 0-65535)\n"); - - return len; -} - -static int fan_write(char *buf) -{ - char *cmd; - int level, speed; - - while ((cmd = next_cmd(&buf))) { - if (sfan_handle && - sscanf(cmd, "level %d", &level) == 1 && - level >= 0 && level <= 7) { - /* 570, 770x-JL */ - if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) - return -EIO; - } else if (!gfan_handle && strlencmp(cmd, "enable") == 0) { - /* all except 570, 600e/x, 770e, 770x */ - if (!acpi_ec_write(fan_status_offset, 0x80)) - return -EIO; - } else if (!gfan_handle && strlencmp(cmd, "disable") == 0) { - /* all except 570, 600e/x, 770e, 770x */ - if (!acpi_ec_write(fan_status_offset, 0x00)) - return -EIO; - } else if (fans_handle && - sscanf(cmd, "speed %d", &speed) == 1 && - speed >= 0 && speed <= 65535) { - /* X31, X40 */ - if (!acpi_evalf(fans_handle, NULL, NULL, "vddd", - speed, speed, speed)) - return -EIO; - } else - return -EINVAL; - } - - return 0; -} - -static struct ibm_struct ibms[] = { - { - .name = "driver", - .init = driver_init, - .read = driver_read, - }, - { - .name = "hotkey", - .hid = IBM_HKEY_HID, - .init = hotkey_init, - .read = hotkey_read, - .write = hotkey_write, - .exit = hotkey_exit, - .notify = hotkey_notify, - .handle = &hkey_handle, - .type = ACPI_DEVICE_NOTIFY, - }, - { - .name = "bluetooth", - .init = bluetooth_init, - .read = bluetooth_read, - .write = bluetooth_write, - }, - { - .name = "video", - .init = video_init, - .read = video_read, - .write = video_write, - .exit = video_exit, - }, - { - .name = "light", - .init = light_init, - .read = light_read, - .write = light_write, - }, - { - .name = "dock", - .read = dock_read, - .write = dock_write, - .notify = dock_notify, - .handle = &dock_handle, - .type = ACPI_SYSTEM_NOTIFY, - }, - { - .name = "dock", - .hid = IBM_PCI_HID, - .notify = dock_notify, - .handle = &pci_handle, - .type = ACPI_SYSTEM_NOTIFY, - }, - { - .name = "bay", - .init = bay_init, - .read = bay_read, - .write = bay_write, - .notify = bay_notify, - .handle = &bay_handle, - .type = ACPI_SYSTEM_NOTIFY, - }, - { - .name = "cmos", - .read = cmos_read, - .write = cmos_write, - }, - { - .name = "led", - .init = led_init, - .read = led_read, - .write = led_write, - }, - { - .name = "beep", - .read = beep_read, - .write = beep_write, - }, - { - .name = "thermal", - .init = thermal_init, - .read = thermal_read, - }, - { - .name = "ecdump", - .read = ecdump_read, - .write = ecdump_write, - .experimental = 1, - }, - { - .name = "brightness", - .read = brightness_read, - .write = brightness_write, - .experimental = 1, - }, - { - .name = "volume", - .read = volume_read, - .write = volume_write, - .experimental = 1, - }, - { - .name = "fan", - .read = fan_read, - .write = fan_write, - .experimental = 1, - }, -}; - -static int dispatch_read(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - struct ibm_struct *ibm = (struct ibm_struct *)data; - int len; - - if (!ibm || !ibm->read) - return -EINVAL; - - len = ibm->read(page); - if (len < 0) - return len; - - if (len <= off + count) - *eof = 1; - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; - - return len; -} - -static int dispatch_write(struct file *file, const char __user * userbuf, - unsigned long count, void *data) -{ - struct ibm_struct *ibm = (struct ibm_struct *)data; - char *kernbuf; - int ret; - - if (!ibm || !ibm->write) - return -EINVAL; - - kernbuf = kmalloc(count + 2, GFP_KERNEL); - if (!kernbuf) - return -ENOMEM; - - if (copy_from_user(kernbuf, userbuf, count)) { - kfree(kernbuf); - return -EFAULT; - } - - kernbuf[count] = 0; - strcat(kernbuf, ","); - ret = ibm->write(kernbuf); - if (ret == 0) - ret = count; - - kfree(kernbuf); - - return ret; -} - -static void dispatch_notify(acpi_handle handle, u32 event, void *data) -{ - struct ibm_struct *ibm = (struct ibm_struct *)data; - - if (!ibm || !ibm->notify) - return; - - ibm->notify(ibm, event); -} - -static int __init setup_notify(struct ibm_struct *ibm) -{ - acpi_status status; - int ret; - - if (!*ibm->handle) - return 0; - - ret = acpi_bus_get_device(*ibm->handle, &ibm->device); - if (ret < 0) { - printk(IBM_ERR "%s device not present\n", ibm->name); - return 0; - } - - acpi_driver_data(ibm->device) = ibm; - sprintf(acpi_device_class(ibm->device), "%s/%s", IBM_NAME, ibm->name); - - status = acpi_install_notify_handler(*ibm->handle, ibm->type, - dispatch_notify, ibm); - if (ACPI_FAILURE(status)) { - printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n", - ibm->name, status); - return -ENODEV; - } - - return 0; -} - -static int __init ibm_device_add(struct acpi_device *device) -{ - return 0; -} - -static int __init register_driver(struct ibm_struct *ibm) -{ - int ret; - - ibm->driver = kmalloc(sizeof(struct acpi_driver), GFP_KERNEL); - if (!ibm->driver) { - printk(IBM_ERR "kmalloc(ibm->driver) failed\n"); - return -1; - } - - memset(ibm->driver, 0, sizeof(struct acpi_driver)); - sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name); - ibm->driver->ids = ibm->hid; - ibm->driver->ops.add = &ibm_device_add; - - ret = acpi_bus_register_driver(ibm->driver); - if (ret < 0) { - printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n", - ibm->hid, ret); - kfree(ibm->driver); - } - - return ret; -} - -static int __init ibm_init(struct ibm_struct *ibm) -{ - int ret; - struct proc_dir_entry *entry; - - if (ibm->experimental && !experimental) - return 0; - - if (ibm->hid) { - ret = register_driver(ibm); - if (ret < 0) - return ret; - ibm->driver_registered = 1; - } - - if (ibm->init) { - ret = ibm->init(); - if (ret != 0) - return ret; - ibm->init_called = 1; - } - - if (ibm->read) { - entry = create_proc_entry(ibm->name, - S_IFREG | S_IRUGO | S_IWUSR, - proc_dir); - if (!entry) { - printk(IBM_ERR "unable to create proc entry %s\n", - ibm->name); - return -ENODEV; - } - entry->owner = THIS_MODULE; - entry->data = ibm; - entry->read_proc = &dispatch_read; - if (ibm->write) - entry->write_proc = &dispatch_write; - ibm->proc_created = 1; - } - - if (ibm->notify) { - ret = setup_notify(ibm); - if (ret < 0) - return ret; - ibm->notify_installed = 1; - } - - return 0; -} - -static void ibm_exit(struct ibm_struct *ibm) -{ - if (ibm->notify_installed) - acpi_remove_notify_handler(*ibm->handle, ibm->type, - dispatch_notify); - - if (ibm->proc_created) - remove_proc_entry(ibm->name, proc_dir); - - if (ibm->init_called && ibm->exit) - ibm->exit(); - - if (ibm->driver_registered) { - acpi_bus_unregister_driver(ibm->driver); - kfree(ibm->driver); - } -} - -static void __init ibm_handle_init(char *name, - acpi_handle * handle, acpi_handle parent, - char **paths, int num_paths, char **path) -{ - int i; - acpi_status status; - - for (i = 0; i < num_paths; i++) { - status = acpi_get_handle(parent, paths[i], handle); - if (ACPI_SUCCESS(status)) { - *path = paths[i]; - return; - } - } - - *handle = NULL; -} - -#define IBM_HANDLE_INIT(object) \ - ibm_handle_init(#object, &object##_handle, *object##_parent, \ - object##_paths, ARRAY_SIZE(object##_paths), &object##_path) - -static int set_ibm_param(const char *val, struct kernel_param *kp) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(ibms); i++) - if (strcmp(ibms[i].name, kp->name) == 0 && ibms[i].write) { - if (strlen(val) > sizeof(ibms[i].param) - 2) - return -ENOSPC; - strcpy(ibms[i].param, val); - strcat(ibms[i].param, ","); - return 0; - } - - return -EINVAL; -} - -#define IBM_PARAM(feature) \ - module_param_call(feature, set_ibm_param, NULL, NULL, 0) - -IBM_PARAM(hotkey); -IBM_PARAM(bluetooth); -IBM_PARAM(video); -IBM_PARAM(light); -IBM_PARAM(dock); -IBM_PARAM(bay); -IBM_PARAM(cmos); -IBM_PARAM(led); -IBM_PARAM(beep); -IBM_PARAM(ecdump); -IBM_PARAM(brightness); -IBM_PARAM(volume); -IBM_PARAM(fan); - -static void acpi_ibm_exit(void) -{ - int i; - - for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) - ibm_exit(&ibms[i]); - - remove_proc_entry(IBM_DIR, acpi_root_dir); -} - -static int __init acpi_ibm_init(void) -{ - int ret, i; - - if (acpi_disabled) - return -ENODEV; - - if (!acpi_specific_hotkey_enabled) { - printk(IBM_ERR "using generic hotkey driver\n"); - return -ENODEV; - } - - /* ec is required because many other handles are relative to it */ - IBM_HANDLE_INIT(ec); - if (!ec_handle) { - printk(IBM_ERR "ec object not found\n"); - return -ENODEV; - } - - /* these handles are not required */ - IBM_HANDLE_INIT(vid); - IBM_HANDLE_INIT(vid2); - IBM_HANDLE_INIT(ledb); - IBM_HANDLE_INIT(led); - IBM_HANDLE_INIT(hkey); - IBM_HANDLE_INIT(lght); - IBM_HANDLE_INIT(cmos); - IBM_HANDLE_INIT(dock); - IBM_HANDLE_INIT(pci); - IBM_HANDLE_INIT(bay); - if (bay_handle) - IBM_HANDLE_INIT(bay_ej); - IBM_HANDLE_INIT(bay2); - if (bay2_handle) - IBM_HANDLE_INIT(bay2_ej); - IBM_HANDLE_INIT(beep); - IBM_HANDLE_INIT(ecrd); - IBM_HANDLE_INIT(ecwr); - IBM_HANDLE_INIT(fans); - IBM_HANDLE_INIT(gfan); - IBM_HANDLE_INIT(sfan); - - proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); - if (!proc_dir) { - printk(IBM_ERR "unable to create proc dir %s", IBM_DIR); - return -ENODEV; - } - proc_dir->owner = THIS_MODULE; - - for (i = 0; i < ARRAY_SIZE(ibms); i++) { - ret = ibm_init(&ibms[i]); - if (ret >= 0 && *ibms[i].param) - ret = ibms[i].write(ibms[i].param); - if (ret < 0) { - acpi_ibm_exit(); - return ret; - } - } - - return 0; -} - -module_init(acpi_ibm_init); -module_exit(acpi_ibm_exit); --- 0.99.9.GIT