diff options
author | Borislav Deianov <borislav@users.sf.net> | 2005-08-17 04:00:00 (GMT) |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2005-08-25 21:37:51 (GMT) |
commit | 78f81cc4355c31c798564ff7efb253cc4cdce6c0 (patch) | |
tree | e3be9c36048b75db33218e49e7f75fea8be09261 /drivers/acpi/ibm_acpi.c | |
parent | 9c2c38a122cc23d6a09b8004d60a33913683eedf (diff) | |
download | linux-fsl-qoriq-78f81cc4355c31c798564ff7efb253cc4cdce6c0.tar.xz |
[ACPI] IBM ThinkPad ACPI Extras Driver v0.12
http://ibm-acpi.sf.net/
Signed-off-by: Borislav Deianov <borislav@users.sf.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/ibm_acpi.c')
-rw-r--r-- | drivers/acpi/ibm_acpi.c | 1598 |
1 files changed, 1159 insertions, 439 deletions
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index ad85e10..5cc0903 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -2,7 +2,7 @@ * ibm_acpi.c - IBM ThinkPad ACPI Extras * * - * Copyright (C) 2004 Borislav Deianov + * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net> * * 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 @@ -17,38 +17,62 @@ * 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: - * - * 2004-08-09 0.1 initial release, support for X series - * 2004-08-14 0.2 support for T series, X20 - * bluetooth enable/disable - * hotkey events disabled by default - * removed fan control, currently useless - * 2004-08-17 0.3 support for R40 - * lcd off, brightness control - * thinklight on/off - * 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 + * + * 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 <lentinj@dial.pipex.com> + * 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 <brix@gentoo.org> + * fix parameter passing on module loading + * thanks to Rusty Russell <rusty@rustcorp.com.au> + * thanks to Jim Radford <radford@blackbean.org> + * 2004-11-08 0.8 fix init error case, don't return from a macro + * thanks to Chris Wright <chrisw@osdl.org> + * 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 - * 2004-10-19 0.6 use acpi_bus_register_driver() to claim HKEY device - * 2004-10-23 0.7 fix module loading on A21e, A22p, T20, T21, X20 - * fix LED control on A21e - * 2004-11-08 0.8 fix init error case, don't return from a macro - * thanks to Chris Wright <chrisw@osdl.org> + * 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 */ -#define IBM_VERSION "0.8" - #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -64,6 +88,11 @@ #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 ": " @@ -84,54 +113,122 @@ 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 } -IBM_HANDLE(ec, root, - "\\_SB.PCI0.ISA.EC", /* A21e, A22p, T20, T21, X20 */ - "\\_SB.PCI0.LPC.EC", /* all others */ -); - -IBM_HANDLE(vid, root, - "\\_SB.PCI0.VID", /* A21e, G40, X30, X40 */ - "\\_SB.PCI0.AGP.VID", /* all others */ -); - -IBM_HANDLE(cmos, root, - "\\UCMS", /* R50, R50p, R51, T4x, X31, X40 */ - "\\CMOS", /* A3x, G40, R32, T23, T30, X22, X24, X30 */ - "\\CMS", /* R40, R40e */ -); /* A21e, A22p, T20, T21, X20 */ - -IBM_HANDLE(dock, root, - "\\_SB.GDCK", /* X30, X31, X40 */ - "\\_SB.PCI0.DOCK", /* A22p, T20, T21, X20 */ - "\\_SB.PCI0.PCI1.DOCK", /* all others */ -); /* A21e, G40, R32, R40, R40e */ - -IBM_HANDLE(bay, root, - "\\_SB.PCI0.IDE0.SCND.MSTR"); /* all except A21e */ -IBM_HANDLE(bayej, root, - "\\_SB.PCI0.IDE0.SCND.MSTR._EJ0"); /* all except A2x, A3x */ - -IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A22p, T20, T21, X20 */ -IBM_HANDLE(hkey, ec, "HKEY"); /* all */ -IBM_HANDLE(led, ec, "LED"); /* all except A21e, A22p, T20, T21, X20 */ -IBM_HANDLE(sysl, ec, "SYSL"); /* A21e, A22p, T20, T21, X20 */ -IBM_HANDLE(bled, ec, "BLED"); /* A22p, T20, T21, X20 */ -IBM_HANDLE(beep, ec, "BEEP"); /* all models */ +/* + * 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) (struct ibm_struct *); - int (*read) (struct ibm_struct *, char *); - int (*write) (struct ibm_struct *, char *); - void (*exit) (struct ibm_struct *); - void (*notify) (struct ibm_struct *, u32); + 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; @@ -141,17 +238,6 @@ struct ibm_struct { int init_called; int notify_installed; - int supported; - union { - struct { - int status; - int mask; - } hotkey; - struct { - int autoswitch; - } video; - } state; - int experimental; }; @@ -165,15 +251,15 @@ 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; - union acpi_object out_obj; - acpi_status status; - va_list ap; - char res_type; - int success; - int quiet; + 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"); @@ -199,7 +285,7 @@ static int acpi_evalf(acpi_handle handle, in_objs[params.count].integer.value = va_arg(ap, int); in_objs[params.count++].type = ACPI_TYPE_INTEGER; break; - /* add more types as needed */ + /* add more types as needed */ default: printk(IBM_ERR "acpi_evalf() called " "with invalid format character '%c'\n", c); @@ -208,21 +294,25 @@ static int acpi_evalf(acpi_handle handle, } va_end(ap); - result.length = sizeof(out_obj); - result.pointer = &out_obj; + 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, &result); + status = acpi_evaluate_object(handle, method, ¶ms, resultp); switch (res_type) { - case 'd': /* int */ + 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 */ + case 'v': /* void */ success = status == AE_OK; break; - /* add more types as needed */ + /* add more types as needed */ default: printk(IBM_ERR "acpi_evalf() called " "with invalid format character '%c'\n", res_type); @@ -262,7 +352,7 @@ static char *next_cmd(char **cmds) return start; } -static int driver_init(struct ibm_struct *ibm) +static int driver_init(void) { printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); printk(IBM_INFO "%s\n", IBM_URL); @@ -270,7 +360,7 @@ static int driver_init(struct ibm_struct *ibm) return 0; } -static int driver_read(struct ibm_struct *ibm, char *p) +static int driver_read(char *p) { int len = 0; @@ -280,67 +370,74 @@ static int driver_read(struct ibm_struct *ibm, char *p) return len; } -static int hotkey_get(struct ibm_struct *ibm, int *status, int *mask) +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 -EIO; - if (ibm->supported) { - if (!acpi_evalf(hkey_handle, mask, "DHKN", "qd")) - return -EIO; - } else { - *mask = ibm->state.hotkey.mask; - } - return 0; + return 0; + + if (hotkey_mask_supported) + if (!acpi_evalf(hkey_handle, mask, "DHKN", "d")) + return 0; + + return 1; } -static int hotkey_set(struct ibm_struct *ibm, int status, int mask) +static int hotkey_set(int status, int mask) { int i; if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) - return -EIO; - - if (!ibm->supported) return 0; - for (i=0; i<32; i++) { - int bit = ((1 << i) & mask) != 0; - if (!acpi_evalf(hkey_handle, NULL, "MHKM", "vdd", i+1, bit)) - return -EIO; - } + 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 0; + return 1; } -static int hotkey_init(struct ibm_struct *ibm) +static int hotkey_init(void) { - int ret; + /* hotkey not supported on 570 */ + hotkey_supported = hkey_handle != NULL; - ibm->supported = 1; - ret = hotkey_get(ibm, - &ibm->state.hotkey.status, - &ibm->state.hotkey.mask); - if (ret < 0) { - /* mask not supported on A21e, A22p, T20, T21, X20, X22, X24 */ - ibm->supported = 0; - ret = hotkey_get(ibm, - &ibm->state.hotkey.status, - &ibm->state.hotkey.mask); + 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 ret; -} + return 0; +} -static int hotkey_read(struct ibm_struct *ibm, char *p) +static int hotkey_read(char *p) { int status, mask; int len = 0; - if (hotkey_get(ibm, &status, &mask) < 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 (ibm->supported) { + if (hotkey_mask_supported) { len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); len += sprintf(p + len, "commands:\tenable, disable, reset, <mask>\n"); @@ -352,23 +449,26 @@ static int hotkey_read(struct ibm_struct *ibm, char *p) return len; } -static int hotkey_write(struct ibm_struct *ibm, char *buf) +static int hotkey_write(char *buf) { int status, mask; char *cmd; int do_cmd = 0; - if (hotkey_get(ibm, &status, &mask) < 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 = ibm->state.hotkey.status; - mask = ibm->state.hotkey.mask; + 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) { @@ -378,15 +478,16 @@ static int hotkey_write(struct ibm_struct *ibm, char *buf) do_cmd = 1; } - if (do_cmd && hotkey_set(ibm, status, mask) < 0) + if (do_cmd && !hotkey_set(status, mask)) return -EIO; return 0; -} +} -static void hotkey_exit(struct ibm_struct *ibm) +static void hotkey_exit(void) { - hotkey_set(ibm, ibm->state.hotkey.status, ibm->state.hotkey.mask); + if (hotkey_supported) + hotkey_set(hotkey_orig_status, hotkey_orig_mask); } static void hotkey_notify(struct ibm_struct *ibm, u32 event) @@ -398,33 +499,38 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event) else { printk(IBM_ERR "unknown hotkey event %d\n", event); acpi_bus_generate_event(ibm->device, event, 0); - } + } } -static int bluetooth_init(struct ibm_struct *ibm) +static int bluetooth_supported; + +static int bluetooth_init(void) { - /* bluetooth not supported on A21e, G40, T20, T21, X20 */ - ibm->supported = acpi_evalf(hkey_handle, NULL, "GBDC", "qv"); + /* 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(struct ibm_struct *ibm) +static int bluetooth_status(void) { int status; - if (!ibm->supported || !acpi_evalf(hkey_handle, &status, "GBDC", "d")) + if (!bluetooth_supported || + !acpi_evalf(hkey_handle, &status, "GBDC", "d")) status = 0; return status; } -static int bluetooth_read(struct ibm_struct *ibm, char *p) +static int bluetooth_read(char *p) { int len = 0; - int status = bluetooth_status(ibm); + int status = bluetooth_status(); - if (!ibm->supported) + 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"); @@ -436,14 +542,14 @@ static int bluetooth_read(struct ibm_struct *ibm, char *p) return len; } -static int bluetooth_write(struct ibm_struct *ibm, char *buf) +static int bluetooth_write(char *buf) { - int status = bluetooth_status(ibm); + int status = bluetooth_status(); char *cmd; int do_cmd = 0; - if (!ibm->supported) - return -EINVAL; + if (!bluetooth_supported) + return -ENODEV; while ((cmd = next_cmd(&buf))) { if (strlencmp(cmd, "enable") == 0) { @@ -456,64 +562,166 @@ static int bluetooth_write(struct ibm_struct *ibm, char *buf) } if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) - return -EIO; + return -EIO; return 0; } -static int video_init(struct ibm_struct *ibm) +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) { - if (!acpi_evalf(vid_handle, - &ibm->state.video.autoswitch, "^VDEE", "d")) - return -ENODEV; + 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(struct ibm_struct *ibm) +static int video_status(void) { int status = 0; int i; - acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); - if (acpi_evalf(NULL, &i, "\\VCDC", "d")) - status |= 0x02 * 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; +} - 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; +static int video_autosw(void) +{ + int autosw = 0; - if (acpi_evalf(vid_handle, &i, "^VDEE", "d")) - status |= 0x10 * (i & 1); + 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 status; + return autosw & 1; } -static int video_read(struct ibm_struct *ibm, char *p) +static int video_read(char *p) { - int status = video_status(ibm); + 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)); - len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); - len += sprintf(p + len, "auto:\t\t%s\n", enabled(status, 4)); - len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable, " - "crt_enable, crt_disable\n"); - len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable, " - "auto_enable, auto_disable\n"); + 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_write(struct ibm_struct *ibm, char *buf) +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))) { @@ -525,9 +733,11 @@ static int video_write(struct ibm_struct *ibm, char *buf) enable |= 0x02; } else if (strlencmp(cmd, "crt_disable") == 0) { disable |= 0x02; - } else if (strlencmp(cmd, "dvi_enable") == 0) { + } else if (video_supported == VIDEO_NEW && + strlencmp(cmd, "dvi_enable") == 0) { enable |= 0x08; - } else if (strlencmp(cmd, "dvi_disable") == 0) { + } 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)) @@ -536,71 +746,75 @@ static int video_write(struct ibm_struct *ibm, char *buf) if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0)) return -EIO; } else if (strlencmp(cmd, "video_switch") == 0) { - int autoswitch; - if (!acpi_evalf(vid_handle, &autoswitch, "^VDEE", "d")) - return -EIO; - if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) - return -EIO; - if (!acpi_evalf(vid_handle, NULL, "VSWT", "v")) - return -EIO; - if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", - autoswitch)) + if (!video_switch()) return -EIO; } else if (strlencmp(cmd, "expand_toggle") == 0) { - if (!acpi_evalf(NULL, NULL, "\\VEXP", "v")) + if (!video_expand()) return -EIO; } else return -EINVAL; } if (enable || disable) { - status = (video_status(ibm) & 0x0f & ~disable) | enable; - if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80)) - return -EIO; - if (!acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1)) + status = (video_status() & 0x0f & ~disable) | enable; + if (!video_switch2(status)) return -EIO; } return 0; } -static void video_exit(struct ibm_struct *ibm) +static void video_exit(void) { - acpi_evalf(vid_handle, NULL, "_DOS", "vd", - ibm->state.video.autoswitch); + acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw); } -static int light_init(struct ibm_struct *ibm) +static int light_supported; +static int light_status_supported; + +static int light_init(void) { - /* kblt not supported on G40, R32, X20 */ - ibm->supported = acpi_evalf(ec_handle, NULL, "KBLT", "qv"); + /* 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(struct ibm_struct *ibm, char *p) +static int light_read(char *p) { int len = 0; int status = 0; - if (ibm->supported) { + 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)); - } else - len += sprintf(p + len, "status:\t\tunknown\n"); - - len += sprintf(p + len, "commands:\ton, off\n"); + len += sprintf(p + len, "commands:\ton, off\n"); + } return len; } -static int light_write(struct ibm_struct *ibm, char *buf) +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; @@ -610,10 +824,10 @@ static int light_write(struct ibm_struct *ibm, char *buf) 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); + acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) : + acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd); if (!success) return -EIO; } @@ -633,7 +847,7 @@ static int _sta(acpi_handle handle) #define dock_docked() (_sta(dock_handle) & 1) -static int dock_read(struct ibm_struct *ibm, char *p) +static int dock_read(char *p) { int len = 0; int docked = dock_docked(); @@ -650,18 +864,17 @@ static int dock_read(struct ibm_struct *ibm, char *p) return len; } -static int dock_write(struct ibm_struct *ibm, char *buf) +static int dock_write(char *buf) { char *cmd; if (!dock_docked()) - return -EINVAL; + return -ENODEV; while ((cmd = next_cmd(&buf))) { if (strlencmp(cmd, "undock") == 0) { - if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0)) - return -EIO; - if (!acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1)) + 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)) @@ -671,90 +884,131 @@ static int dock_write(struct ibm_struct *ibm, char *buf) } return 0; -} +} static void dock_notify(struct ibm_struct *ibm, u32 event) { int docked = dock_docked(); - - if (event == 3 && docked) - acpi_bus_generate_event(ibm->device, event, 1); /* button */ + 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 */ + acpi_bus_generate_event(ibm->device, event, 2); /* undock */ else if (event == 0 && docked) - acpi_bus_generate_event(ibm->device, event, 3); /* dock */ + 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 */ + acpi_bus_generate_event(ibm->device, event, 0); /* unknown */ } } -#define bay_occupied() (_sta(bay_handle) & 1) +static int bay_status_supported; +static int bay_status2_supported; +static int bay_eject_supported; +static int bay_eject2_supported; -static int bay_init(struct ibm_struct *ibm) +static int bay_init(void) { - /* bay not supported on A21e, A22p, A31, A31p, G40, R32, R40e */ - ibm->supported = bay_handle && bayej_handle && - acpi_evalf(bay_handle, NULL, "_STA", "qv"); + 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; } -static int bay_read(struct ibm_struct *ibm, char *p) +#define bay_occupied(b) (_sta(b##_handle) & 1) + +static int bay_read(char *p) { int len = 0; - int occupied = bay_occupied(); - - if (!ibm->supported) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else if (!occupied) - len += sprintf(p + len, "status:\t\tunoccupied\n"); - else { - len += sprintf(p + len, "status:\t\toccupied\n"); + 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(struct ibm_struct *ibm, char *buf) +static int bay_write(char *buf) { char *cmd; + if (!bay_eject_supported && !bay_eject2_supported) + return -ENODEV; + while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "eject") == 0) { - if (!ibm->supported || - !acpi_evalf(bay_handle, NULL, "_EJ0", "vd", 1)) + 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(struct ibm_struct *ibm, char *p) +static int cmos_read(char *p) { int len = 0; - /* cmos not supported on A21e, A22p, T20, T21, X20 */ + /* 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<int>\n"); + len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n"); } return len; } -static int cmos_write(struct ibm_struct *ibm, char *buf) +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; @@ -763,183 +1017,644 @@ static int cmos_write(struct ibm_struct *ibm, char *buf) return -EINVAL; while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%u", &cmos_cmd) == 1) { + if (sscanf(cmd, "%u", &cmos_cmd) == 1 && + cmos_cmd >= 0 && cmos_cmd <= 21) { /* cmos_cmd set */ } else return -EINVAL; - if (!acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd)) + if (!cmos_eval(cmos_cmd)) return -EIO; } return 0; -} - -static int led_read(struct ibm_struct *ibm, char *p) +} + +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" - "<int> on, <int> off, <int> blink\n"); + "<led> on, <led> off, <led> blink (<led> is 0-7)\n"); return len; } -static int led_write(struct ibm_struct *ibm, char *buf) +/* 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; - unsigned int led; - int led_cmd, sysl_cmd, bled_a, bled_b; + int led, ind, ret; + + if (!led_supported) + return -ENODEV; while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%u", &led) != 1) + if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7) return -EINVAL; - if (strstr(cmd, "blink")) { - led_cmd = 0xc0; - sysl_cmd = 2; - bled_a = 2; - bled_b = 1; + if (strstr(cmd, "off")) { + ind = 0; } else if (strstr(cmd, "on")) { - led_cmd = 0x80; - sysl_cmd = 1; - bled_a = 2; - bled_b = 0; - } else if (strstr(cmd, "off")) { - led_cmd = sysl_cmd = bled_a = bled_b = 0; + ind = 1; + } else if (strstr(cmd, "blink")) { + ind = 2; } else return -EINVAL; - - if (led_handle) { + + if (led_supported == LED_570) { + /* 570 */ + led = 1 << led; if (!acpi_evalf(led_handle, NULL, NULL, "vdd", - led, led_cmd)) + led, led_sled_arg1[ind])) return -EIO; - } else if (led < 2) { - if (acpi_evalf(sysl_handle, NULL, NULL, "vdd", - led, sysl_cmd)) + } 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; - } else if (led == 2 && bled_handle) { - if (acpi_evalf(bled_handle, NULL, NULL, "vdd", - bled_a, bled_b)) + } + } + + 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<cmd> (<cmd> 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<offset> 0x<value>" + " (<offset> is 00-ff, <value> is 00-ff)\n"); + len += sprintf(p + len, "commands:\t0x<offset> <value> " + " (<offset> is 00-ff, <value> 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 beep_read(struct ibm_struct *ibm, char *p) +} + +static int brightness_offset = 0x31; + +static int brightness_read(char *p) { int len = 0; + u8 level; - len += sprintf(p + len, "commands:\t<int>\n"); + 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 <level>" + " (<level> is 0-7)\n"); + } return len; } -static int beep_write(struct ibm_struct *ibm, char *buf) +#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; - int beep_cmd; while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%u", &beep_cmd) == 1) { - /* beep_cmd set */ + 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 <level>" + " (<level> 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 (!acpi_evalf(beep_handle, NULL, NULL, "vd", beep_cmd)) + 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 <level>" + " (<level> 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 <speed>" + " (<speed> 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 = "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 = "hotkey", - .hid = "IBM0068", - .init = hotkey_init, - .read = hotkey_read, - .write = hotkey_write, - .exit = hotkey_exit, - .notify = hotkey_notify, - .handle = &hkey_handle, - .type = ACPI_DEVICE_NOTIFY, - }, + .name = "light", + .init = light_init, + .read = light_read, + .write = light_write, + }, { - .name = "bluetooth", - .init = bluetooth_init, - .read = bluetooth_read, - .write = bluetooth_write, - }, + .name = "dock", + .read = dock_read, + .write = dock_write, + .notify = dock_notify, + .handle = &dock_handle, + .type = ACPI_SYSTEM_NOTIFY, + }, { - .name = "video", - .init = video_init, - .read = video_read, - .write = video_write, - .exit = video_exit, - }, + .name = "dock", + .hid = IBM_PCI_HID, + .notify = dock_notify, + .handle = &pci_handle, + .type = ACPI_SYSTEM_NOTIFY, + }, { - .name = "light", - .init = light_init, - .read = light_read, - .write = light_write, - }, + .name = "bay", + .init = bay_init, + .read = bay_read, + .write = bay_write, + .notify = bay_notify, + .handle = &bay_handle, + .type = ACPI_SYSTEM_NOTIFY, + }, { - .name = "dock", - .read = dock_read, - .write = dock_write, - .notify = dock_notify, - .handle = &dock_handle, - .type = ACPI_SYSTEM_NOTIFY, - }, + .name = "cmos", + .read = cmos_read, + .write = cmos_write, + }, { - .name = "bay", - .init = bay_init, - .read = bay_read, - .write = bay_write, - .notify = bay_notify, - .handle = &bay_handle, - .type = ACPI_SYSTEM_NOTIFY, - }, + .name = "led", + .init = led_init, + .read = led_read, + .write = led_write, + }, { - .name = "cmos", - .read = cmos_read, - .write = cmos_write, - .experimental = 1, - }, + .name = "beep", + .read = beep_read, + .write = beep_write, + }, { - .name = "led", - .read = led_read, - .write = led_write, - .experimental = 1, - }, + .name = "thermal", + .init = thermal_init, + .read = thermal_read, + }, { - .name = "beep", - .read = beep_read, - .write = beep_write, - .experimental = 1, - }, + .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, + }, }; -#define NUM_IBMS (sizeof(ibms)/sizeof(ibms[0])) 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(ibm, page); + len = ibm->read(page); if (len < 0) return len; @@ -955,7 +1670,7 @@ static int dispatch_read(char *page, char **start, off_t off, int count, return len; } -static int dispatch_write(struct file *file, const char __user *userbuf, +static int dispatch_write(struct file *file, const char __user * userbuf, unsigned long count, void *data) { struct ibm_struct *ibm = (struct ibm_struct *)data; @@ -969,20 +1684,20 @@ static int dispatch_write(struct file *file, const char __user *userbuf, if (!kernbuf) return -ENOMEM; - if (copy_from_user(kernbuf, userbuf, count)) { + if (copy_from_user(kernbuf, userbuf, count)) { kfree(kernbuf); - return -EFAULT; + return -EFAULT; } kernbuf[count] = 0; strcat(kernbuf, ","); - ret = ibm->write(ibm, kernbuf); + ret = ibm->write(kernbuf); if (ret == 0) ret = count; kfree(kernbuf); - return ret; + return ret; } static void dispatch_notify(acpi_handle handle, u32 event, void *data) @@ -995,7 +1710,7 @@ static void dispatch_notify(acpi_handle handle, u32 event, void *data) ibm->notify(ibm, event); } -static int setup_notify(struct ibm_struct *ibm) +static int __init setup_notify(struct ibm_struct *ibm) { acpi_status status; int ret; @@ -1020,17 +1735,15 @@ static int setup_notify(struct ibm_struct *ibm) return -ENODEV; } - ibm->notify_installed = 1; - return 0; } -static int ibmacpi_device_add(struct acpi_device *device) +static int __init ibm_device_add(struct acpi_device *device) { return 0; } -static int register_driver(struct ibm_struct *ibm) +static int __init register_driver(struct ibm_struct *ibm) { int ret; @@ -1043,7 +1756,7 @@ static int register_driver(struct ibm_struct *ibm) 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 = &ibmacpi_device_add; + ibm->driver->ops.add = &ibm_device_add; ret = acpi_bus_register_driver(ibm->driver); if (ret < 0) { @@ -1055,7 +1768,7 @@ static int register_driver(struct ibm_struct *ibm) return ret; } -static int ibm_init(struct ibm_struct *ibm) +static int __init ibm_init(struct ibm_struct *ibm) { int ret; struct proc_dir_entry *entry; @@ -1071,31 +1784,34 @@ static int ibm_init(struct ibm_struct *ibm) } if (ibm->init) { - ret = ibm->init(ibm); + ret = ibm->init(); if (ret != 0) return ret; ibm->init_called = 1; } - 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; - ibm->proc_created = 1; - - entry->data = ibm; - if (ibm->read) + 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; + 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; @@ -1111,7 +1827,7 @@ static void ibm_exit(struct ibm_struct *ibm) remove_proc_entry(ibm->name, proc_dir); if (ibm->init_called && ibm->exit) - ibm->exit(ibm); + ibm->exit(); if (ibm->driver_registered) { acpi_bus_unregister_driver(ibm->driver); @@ -1119,60 +1835,66 @@ static void ibm_exit(struct ibm_struct *ibm) } } -static int ibm_handle_init(char *name, - acpi_handle *handle, acpi_handle parent, - char **paths, int num_paths, int required) +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++) { + for (i = 0; i < num_paths; i++) { status = acpi_get_handle(parent, paths[i], handle); - if (ACPI_SUCCESS(status)) - return 0; - } - - *handle = NULL; - - if (required) { - printk(IBM_ERR "%s object not found\n", name); - return -1; + if (ACPI_SUCCESS(status)) { + *path = paths[i]; + return; + } } - return 0; + *handle = NULL; } -#define IBM_HANDLE_INIT(object, required) \ +#define IBM_HANDLE_INIT(object) \ ibm_handle_init(#object, &object##_handle, *object##_parent, \ - object##_paths, sizeof(object##_paths)/sizeof(char*), required) - + object##_paths, ARRAY_SIZE(object##_paths), &object##_path) static int set_ibm_param(const char *val, struct kernel_param *kp) { unsigned int i; - char arg_with_comma[32]; - - if (strlen(val) > 30) - return -ENOSPC; - strcpy(arg_with_comma, val); - strcat(arg_with_comma, ","); + 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; + } - for (i=0; i<NUM_IBMS; i++) - if (strcmp(ibms[i].name, kp->name) == 0) - return ibms[i].write(&ibms[i], arg_with_comma); - BUG(); 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=NUM_IBMS-1; i>=0; i--) + for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) ibm_exit(&ibms[i]); remove_proc_entry(IBM_DIR, acpi_root_dir); @@ -1185,30 +1907,40 @@ static int __init acpi_ibm_init(void) if (acpi_disabled) return -ENODEV; - if (!acpi_specific_hotkey_enabled){ - printk(IBM_ERR "Using generic hotkey driver\n"); - return -ENODEV; - } - /* these handles are required */ - if (IBM_HANDLE_INIT(ec, 1) < 0 || - IBM_HANDLE_INIT(hkey, 1) < 0 || - IBM_HANDLE_INIT(vid, 1) < 0 || - IBM_HANDLE_INIT(beep, 1) < 0) + if (!acpi_specific_hotkey_enabled) { + printk(IBM_ERR "using generic hotkey driver\n"); return -ENODEV; + } - /* these handles have alternatives */ - IBM_HANDLE_INIT(lght, 0); - if (IBM_HANDLE_INIT(cmos, !lght_handle) < 0) - return -ENODEV; - IBM_HANDLE_INIT(sysl, 0); - if (IBM_HANDLE_INIT(led, !sysl_handle) < 0) + /* 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(dock, 0); - IBM_HANDLE_INIT(bay, 0); - IBM_HANDLE_INIT(bayej, 0); - IBM_HANDLE_INIT(bled, 0); + 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) { @@ -1216,9 +1948,11 @@ static int __init acpi_ibm_init(void) return -ENODEV; } proc_dir->owner = THIS_MODULE; - - for (i=0; i<NUM_IBMS; i++) { + + 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; @@ -1230,17 +1964,3 @@ static int __init acpi_ibm_init(void) module_init(acpi_ibm_init); module_exit(acpi_ibm_exit); - -MODULE_AUTHOR("Borislav Deianov"); -MODULE_DESCRIPTION(IBM_DESC); -MODULE_LICENSE("GPL"); - -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); |