diff options
| -rw-r--r-- | drivers/acpi/asus_acpi.c | 331 |
1 files changed, 223 insertions, 108 deletions
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index eb0b8fb837c..e9ee4c52a5f 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -2,7 +2,7 @@ * asus_acpi.c - Asus Laptop ACPI Extras * * - * Copyright (C) 2002, 2003, 2004 Julien Lerouge, Karol Kozimor + * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor * * 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 @@ -26,11 +26,8 @@ * Pontus Fuchs - Helper functions, cleanup * Johann Wiesner - Small compile fixes * John Belmonte - ACPI code for Toshiba laptop was a good starting point. + * Éric Burghard - LED display support for W1N * - * TODO: - * add Fn key status - * Add mode selection on module loading (parameter) -> still necessary? - * Complete display switching -- may require dirty hacks or calling _DOS? */ #include <linux/kernel.h> @@ -42,12 +39,14 @@ #include <acpi/acpi_bus.h> #include <asm/uaccess.h> -#define ASUS_ACPI_VERSION "0.29" +#define ASUS_ACPI_VERSION "0.30" #define PROC_ASUS "asus" //the directory #define PROC_MLED "mled" #define PROC_WLED "wled" #define PROC_TLED "tled" +#define PROC_BT "bluetooth" +#define PROC_LEDD "ledd" #define PROC_INFO "info" #define PROC_LCD "lcd" #define PROC_BRN "brn" @@ -67,9 +66,10 @@ /* * Flags for hotk status */ -#define MLED_ON 0x01 //is MLED ON ? -#define WLED_ON 0x02 -#define TLED_ON 0x04 +#define MLED_ON 0x01 //mail LED +#define WLED_ON 0x02 //wireless LED +#define TLED_ON 0x04 //touchpad LED +#define BT_ON 0x08 //internal Bluetooth MODULE_AUTHOR("Julien Lerouge, Karol Kozimor"); MODULE_DESCRIPTION(ACPI_HOTK_NAME); @@ -92,7 +92,10 @@ struct model_data { char *wled_status; //node to handle wled reading_______A char *mt_tled; //method to handle tled_____________R char *tled_status; //node to handle tled reading_______A - char *mt_lcd_switch; //method to turn LCD ON/OFF_________A + char *mt_ledd; //method to handle LED display______R + char *mt_bt_switch; //method to switch Bluetooth on/off_R + char *bt_status; //no model currently supports this__? + char *mt_lcd_switch; //method to turn LCD on/off_________A char *lcd_status; //node to read LCD panel state______A char *brightness_up; //method to set brightness up_______A char *brightness_down; //guess what ?______________________A @@ -111,27 +114,31 @@ struct asus_hotk { struct acpi_device *device; //the device we are in acpi_handle handle; //the handle of the hotk device char status; //status of the hotk, for LEDs, ... + u32 ledd_status; //status of the LED display struct model_data *methods; //methods available on the laptop u8 brightness; //brightness level enum { A1x = 0, //A1340D, A1300F A2x, //A2500H + A4G, //A4700G D1x, //D1 L2D, //L2000D L3C, //L3800C L3D, //L3400D - L3H, //L3H, but also L2000E + L3H, //L3H, L2000E, L5D L4R, //L4500R L5x, //L5800C L8L, //L8400L M1A, //M1300A M2E, //M2400E, L4400L - M6N, //M6800N - M6R, //M6700R + M6N, //M6800N, W3400N + M6R, //M6700R, A3000G P30, //Samsung P30 S1x, //S1300A, but also L1400B and M2400A (L84F) S2x, //S200 (J1 reported), Victor MP-XP7210 - xxN, //M2400N, M3700N, M5200N, S1300N, S5200N, W1OOON + W1N, //W1000N + W5A, //W5A + xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N //(Centrino) END_MODEL } model; //Models currently supported @@ -149,17 +156,8 @@ struct asus_hotk { static struct model_data model_conf[END_MODEL] = { /* - * Those pathnames are relative to the HOTK / ATKD device : - * - mt_mled - * - mt_wled - * - brightness_set - * - brightness_get - * - display_set - * - display_get - * * TODO I have seen a SWBX and AIBX method on some models, like L1400B, * it seems to be a kind of switch, but what for ? - * */ { @@ -184,6 +182,16 @@ static struct model_data model_conf[END_MODEL] = { .display_get = "\\INFB"}, { + .name = "A4G", + .mt_mled = "MLED", +/* WLED present, but not controlled by ACPI */ + .mt_lcd_switch = xxN_PREFIX "_Q10", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\ADVG"}, + + { .name = "D1x", .mt_mled = "MLED", .mt_lcd_switch = "\\Q0D", @@ -302,7 +310,8 @@ static struct model_data model_conf[END_MODEL] = { .brightness_set = "SPLV", .brightness_get = "GPLV", .display_set = "SDSP", - .display_get = "\\_SB.PCI0.P0P1.VGA.GETD"}, + .display_get = "\\SSTE"}, + { .name = "M6R", .mt_mled = "MLED", @@ -312,7 +321,7 @@ static struct model_data model_conf[END_MODEL] = { .brightness_set = "SPLV", .brightness_get = "GPLV", .display_set = "SDSP", - .display_get = "\\SSTE"}, + .display_get = "\\_SB.PCI0.P0P1.VGA.GETD"}, { .name = "P30", @@ -345,6 +354,28 @@ static struct model_data model_conf[END_MODEL] = { .brightness_down = S2x_PREFIX "_Q0A"}, { + .name = "W1N", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_ledd = "SLCM", + .mt_lcd_switch = xxN_PREFIX "_Q10", + .lcd_status = "\\BKLT", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\ADVG"}, + + { + .name = "W5A", + .mt_bt_switch = "BLED", + .mt_wled = "WLED", + .mt_lcd_switch = xxN_PREFIX "_Q10", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\ADVG"}, + + { .name = "xxN", .mt_mled = "MLED", /* WLED present, but not controlled by ACPI */ @@ -563,6 +594,36 @@ proc_write_mled(struct file *file, const char __user * buffer, } /* + * Proc handlers for LED display + */ +static int +proc_read_ledd(char *page, char **start, off_t off, int count, int *eof, + void *data) +{ + return sprintf(page, "0x%08x\n", hotk->ledd_status); +} + +static int +proc_write_ledd(struct file *file, const char __user * buffer, + unsigned long count, void *data) +{ + int value; + + count = parse_arg(buffer, count, &value); + if (count > 0) { + if (!write_acpi_int + (hotk->handle, hotk->methods->mt_ledd, value, NULL)) + printk(KERN_WARNING + "Asus ACPI: LED display write failed\n"); + else + hotk->ledd_status = (u32) value; + } else if (count < 0) + printk(KERN_WARNING "Asus ACPI: Error reading user input\n"); + + return count; +} + +/* * Proc handlers for WLED */ static int @@ -581,6 +642,25 @@ proc_write_wled(struct file *file, const char __user * buffer, } /* + * Proc handlers for Bluetooth + */ +static int +proc_read_bluetooth(char *page, char **start, off_t off, int count, int *eof, + void *data) +{ + return sprintf(page, "%d\n", read_led(hotk->methods->bt_status, BT_ON)); +} + +static int +proc_write_bluetooth(struct file *file, const char __user * buffer, + unsigned long count, void *data) +{ + /* Note: mt_bt_switch controls both internal Bluetooth adapter's + presence and its LED */ + return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0); +} + +/* * Proc handlers for TLED */ static int @@ -876,6 +956,11 @@ static int asus_hotk_add_fs(struct acpi_device *device) mode, device); } + if (hotk->methods->mt_ledd) { + asus_proc_add(PROC_LEDD, &proc_write_ledd, &proc_read_ledd, + mode, device); + } + if (hotk->methods->mt_mled) { asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled, mode, device); @@ -886,6 +971,11 @@ static int asus_hotk_add_fs(struct acpi_device *device) mode, device); } + if (hotk->methods->mt_bt_switch) { + asus_proc_add(PROC_BT, &proc_write_bluetooth, + &proc_read_bluetooth, mode, device); + } + /* * We need both read node and write method as LCD switch is also accessible * from keyboard @@ -919,6 +1009,10 @@ static int asus_hotk_remove_fs(struct acpi_device *device) remove_proc_entry(PROC_MLED, acpi_device_dir(device)); if (hotk->methods->mt_tled) remove_proc_entry(PROC_TLED, acpi_device_dir(device)); + if (hotk->methods->mt_ledd) + remove_proc_entry(PROC_LEDD, acpi_device_dir(device)); + if (hotk->methods->mt_bt_switch) + remove_proc_entry(PROC_BT, acpi_device_dir(device)); if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) remove_proc_entry(PROC_LCD, acpi_device_dir(device)); if ((hotk->methods->brightness_up @@ -951,6 +1045,65 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) } /* + * Match the model string to the list of supported models. Return END_MODEL if + * no match or model is NULL. + */ +static int asus_model_match(char *model) +{ + if (model == NULL) + return END_MODEL; + + if (strncmp(model, "L3D", 3) == 0) + return L3D; + else if (strncmp(model, "L2E", 3) == 0 || + strncmp(model, "L3H", 3) == 0 || strncmp(model, "L5D", 3) == 0) + return L3H; + else if (strncmp(model, "L3", 2) == 0 || strncmp(model, "L2B", 3) == 0) + return L3C; + else if (strncmp(model, "L8L", 3) == 0) + return L8L; + else if (strncmp(model, "L4R", 3) == 0) + return L4R; + else if (strncmp(model, "M6N", 3) == 0 || strncmp(model, "W3N", 3) == 0) + return M6N; + else if (strncmp(model, "M6R", 3) == 0 || strncmp(model, "A3G", 3) == 0) + return M6R; + else if (strncmp(model, "M2N", 3) == 0 || + strncmp(model, "M3N", 3) == 0 || + strncmp(model, "M5N", 3) == 0 || + strncmp(model, "M6N", 3) == 0 || + strncmp(model, "S1N", 3) == 0 || + strncmp(model, "S5N", 3) == 0 || strncmp(model, "W1N", 3) == 0) + return xxN; + else if (strncmp(model, "M1", 2) == 0) + return M1A; + else if (strncmp(model, "M2", 2) == 0 || strncmp(model, "L4E", 3) == 0) + return M2E; + else if (strncmp(model, "L2", 2) == 0) + return L2D; + else if (strncmp(model, "L8", 2) == 0) + return S1x; + else if (strncmp(model, "D1", 2) == 0) + return D1x; + else if (strncmp(model, "A1", 2) == 0) + return A1x; + else if (strncmp(model, "A2", 2) == 0) + return A2x; + else if (strncmp(model, "J1", 2) == 0) + return S2x; + else if (strncmp(model, "L5", 2) == 0) + return L5x; + else if (strncmp(model, "A4G", 3) == 0) + return A4G; + else if (strncmp(model, "W1N", 3) == 0) + return W1N; + else if (strncmp(model, "W5A", 3) == 0) + return W5A; + else + return END_MODEL; +} + +/* * This function is used to initialize the hotk with right values. In this * method, we can make all the detection we want, and modify the hotk struct */ @@ -960,6 +1113,7 @@ static int asus_hotk_get_info(void) struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *model = NULL; int bsts_result; + char *string = NULL; acpi_status status; /* @@ -989,107 +1143,66 @@ static int asus_hotk_get_info(void) printk(KERN_NOTICE " BSTS called, 0x%02x returned\n", bsts_result); - /* This is unlikely with implicit return */ - if (buffer.pointer == NULL) - return -EINVAL; - - model = (union acpi_object *) buffer.pointer; /* - * Samsung P30 has a device with a valid _HID whose INIT does not - * return anything. It used to be possible to catch this exception, - * but the implicit return code will now happily confuse the - * driver. We assume that every ACPI_TYPE_STRING is a valid model - * identifier but it's still possible to get completely bogus data. + * Try to match the object returned by INIT to the specific model. + * Handle every possible object (or the lack of thereof) the DSDT + * writers might throw at us. When in trouble, we pass NULL to + * asus_model_match() and try something completely different. */ - if (model->type == ACPI_TYPE_STRING) { - printk(KERN_NOTICE " %s model detected, ", model->string.pointer); - } else { - if (asus_info && /* Samsung P30 */ + if (buffer.pointer) { + model = (union acpi_object *)buffer.pointer; + switch (model->type) { + case ACPI_TYPE_STRING: + string = model->string.pointer; + break; + case ACPI_TYPE_BUFFER: + string = model->buffer.pointer; + break; + default: + kfree(model); + break; + } + } + hotk->model = asus_model_match(string); + if (hotk->model == END_MODEL) { /* match failed */ + if (asus_info && strncmp(asus_info->oem_table_id, "ODEM", 4) == 0) { hotk->model = P30; printk(KERN_NOTICE " Samsung P30 detected, supported\n"); } else { hotk->model = M2E; - printk(KERN_WARNING " no string returned by INIT\n"); - printk(KERN_WARNING " trying default values, supply " - "the developers with your DSDT\n"); + printk(KERN_NOTICE " unsupported model %s, trying " + "default values\n", string); + printk(KERN_NOTICE + " send /proc/acpi/dsdt to the developers\n"); } hotk->methods = &model_conf[hotk->model]; - - kfree(model); - return AE_OK; } - - hotk->model = END_MODEL; - if (strncmp(model->string.pointer, "L3D", 3) == 0) - hotk->model = L3D; - else if (strncmp(model->string.pointer, "L3H", 3) == 0 || - strncmp(model->string.pointer, "L2E", 3) == 0) - hotk->model = L3H; - else if (strncmp(model->string.pointer, "L3", 2) == 0 || - strncmp(model->string.pointer, "L2B", 3) == 0) - hotk->model = L3C; - else if (strncmp(model->string.pointer, "L8L", 3) == 0) - hotk->model = L8L; - else if (strncmp(model->string.pointer, "L4R", 3) == 0) - hotk->model = L4R; - else if (strncmp(model->string.pointer, "M6N", 3) == 0) - hotk->model = M6N; - else if (strncmp(model->string.pointer, "M6R", 3) == 0) - hotk->model = M6R; - else if (strncmp(model->string.pointer, "M2N", 3) == 0 || - strncmp(model->string.pointer, "M3N", 3) == 0 || - strncmp(model->string.pointer, "M5N", 3) == 0 || - strncmp(model->string.pointer, "M6N", 3) == 0 || - strncmp(model->string.pointer, "S1N", 3) == 0 || - strncmp(model->string.pointer, "S5N", 3) == 0 || - strncmp(model->string.pointer, "W1N", 3) == 0) - hotk->model = xxN; - else if (strncmp(model->string.pointer, "M1", 2) == 0) - hotk->model = M1A; - else if (strncmp(model->string.pointer, "M2", 2) == 0 || - strncmp(model->string.pointer, "L4E", 3) == 0) - hotk->model = M2E; - else if (strncmp(model->string.pointer, "L2", 2) == 0) - hotk->model = L2D; - else if (strncmp(model->string.pointer, "L8", 2) == 0) - hotk->model = S1x; - else if (strncmp(model->string.pointer, "D1", 2) == 0) - hotk->model = D1x; - else if (strncmp(model->string.pointer, "A1", 2) == 0) - hotk->model = A1x; - else if (strncmp(model->string.pointer, "A2", 2) == 0) - hotk->model = A2x; - else if (strncmp(model->string.pointer, "J1", 2) == 0) - hotk->model = S2x; - else if (strncmp(model->string.pointer, "L5", 2) == 0) - hotk->model = L5x; - - if (hotk->model == END_MODEL) { - printk("unsupported, trying default values, supply the " - "developers with your DSDT\n"); - hotk->model = M2E; - } else { - printk("supported\n"); - } - hotk->methods = &model_conf[hotk->model]; + printk(KERN_NOTICE " %s model detected, supported\n", string); /* Sort of per-model blacklist */ - if (strncmp(model->string.pointer, "L2B", 3) == 0) + if (strncmp(string, "L2B", 3) == 0) hotk->methods->lcd_status = NULL; /* L2B is similar enough to L3C to use its settings, with this only exception */ - else if (strncmp(model->string.pointer, "S5N", 3) == 0 || - strncmp(model->string.pointer, "M5N", 3) == 0) + else if (strncmp(string, "A3G", 3) == 0) + hotk->methods->lcd_status = "\\BLFG"; + /* A3G is like M6R */ + else if (strncmp(string, "S5N", 3) == 0 || + strncmp(string, "M5N", 3) == 0 || + strncmp(string, "W3N", 3) == 0) hotk->methods->mt_mled = NULL; - /* S5N and M5N have no MLED */ - else if (strncmp(model->string.pointer, "M2N", 3) == 0 || - strncmp(model->string.pointer, "W1N", 3) == 0) + /* S5N, M5N and W3N have no MLED */ + else if (strncmp(string, "L5D", 3) == 0) + hotk->methods->mt_wled = NULL; + /* L5D's WLED is not controlled by ACPI */ + else if (strncmp(string, "M2N", 3) == 0 || + strncmp(string, "S1N", 3) == 0) hotk->methods->mt_wled = "WLED"; - /* M2N and W1N have a usable WLED */ + /* M2N and S1N have a usable WLED */ else if (asus_info) { if (strncmp(asus_info->oem_table_id, "L1", 2) == 0) hotk->methods->mled_status = NULL; @@ -1164,8 +1277,7 @@ static int asus_hotk_add(struct acpi_device *device) /* For laptops without GPLV: init the hotk->brightness value */ if ((!hotk->methods->brightness_get) && (!hotk->methods->brightness_status) - && (hotk->methods->brightness_up - && hotk->methods->brightness_down)) { + && (hotk->methods->brightness_up && hotk->methods->brightness_down)) { status = acpi_evaluate_object(NULL, hotk->methods->brightness_down, NULL, NULL); @@ -1184,6 +1296,9 @@ static int asus_hotk_add(struct acpi_device *device) asus_hotk_found = 1; + /* LED display is off by default */ + hotk->ledd_status = 0xFFF; + end: if (result) { kfree(hotk); |