From e7549b926dd3ceec048f5689df90d4ec970c9419 Mon Sep 17 00:00:00 2001 From: Wolfgang Wiedmeyer Date: Fri, 23 Oct 2015 13:30:20 +0200 Subject: more driver stuff from 3.2.72 --- drivers/platform/x86/ideapad-laptop.c | 403 +++++++++++++++++++++++++++++++--- 1 file changed, 368 insertions(+), 35 deletions(-) (limited to 'drivers/platform/x86/ideapad-laptop.c') diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index bfdda33..04a6928 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -32,16 +32,53 @@ #include #include #include +#include +#include +#include +#include #define IDEAPAD_RFKILL_DEV_NUM (3) +#define CFG_BT_BIT (16) +#define CFG_3G_BIT (17) +#define CFG_WIFI_BIT (18) +#define CFG_CAMERA_BIT (19) + +enum { + VPCCMD_R_VPC1 = 0x10, + VPCCMD_R_BL_MAX, + VPCCMD_R_BL, + VPCCMD_W_BL, + VPCCMD_R_WIFI, + VPCCMD_W_WIFI, + VPCCMD_R_BT, + VPCCMD_W_BT, + VPCCMD_R_BL_POWER, + VPCCMD_R_NOVO, + VPCCMD_R_VPC2, + VPCCMD_R_TOUCHPAD, + VPCCMD_W_TOUCHPAD, + VPCCMD_R_CAMERA, + VPCCMD_W_CAMERA, + VPCCMD_R_3G, + VPCCMD_W_3G, + VPCCMD_R_ODD, /* 0x21 */ + VPCCMD_R_RF = 0x23, + VPCCMD_W_RF, + VPCCMD_W_BL_POWER = 0x33, +}; + struct ideapad_private { struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM]; struct platform_device *platform_device; struct input_dev *inputdev; + struct backlight_device *blightdev; + struct dentry *debug; + unsigned long cfg; }; static acpi_handle ideapad_handle; +static struct ideapad_private *ideapad_priv; static bool no_bt_rfkill; module_param(no_bt_rfkill, bool, 0444); MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); @@ -155,7 +192,147 @@ static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) } /* - * camera power + * debugfs + */ +#define DEBUGFS_EVENT_LEN (4096) +static int debugfs_status_show(struct seq_file *s, void *data) +{ + unsigned long value; + + if (!read_ec_data(ideapad_handle, VPCCMD_R_BL_MAX, &value)) + seq_printf(s, "Backlight max:\t%lu\n", value); + if (!read_ec_data(ideapad_handle, VPCCMD_R_BL, &value)) + seq_printf(s, "Backlight now:\t%lu\n", value); + if (!read_ec_data(ideapad_handle, VPCCMD_R_BL_POWER, &value)) + seq_printf(s, "BL power value:\t%s\n", value ? "On" : "Off"); + seq_printf(s, "=====================\n"); + + if (!read_ec_data(ideapad_handle, VPCCMD_R_RF, &value)) + seq_printf(s, "Radio status:\t%s(%lu)\n", + value ? "On" : "Off", value); + if (!read_ec_data(ideapad_handle, VPCCMD_R_WIFI, &value)) + seq_printf(s, "Wifi status:\t%s(%lu)\n", + value ? "On" : "Off", value); + if (!read_ec_data(ideapad_handle, VPCCMD_R_BT, &value)) + seq_printf(s, "BT status:\t%s(%lu)\n", + value ? "On" : "Off", value); + if (!read_ec_data(ideapad_handle, VPCCMD_R_3G, &value)) + seq_printf(s, "3G status:\t%s(%lu)\n", + value ? "On" : "Off", value); + seq_printf(s, "=====================\n"); + + if (!read_ec_data(ideapad_handle, VPCCMD_R_TOUCHPAD, &value)) + seq_printf(s, "Touchpad status:%s(%lu)\n", + value ? "On" : "Off", value); + if (!read_ec_data(ideapad_handle, VPCCMD_R_CAMERA, &value)) + seq_printf(s, "Camera status:\t%s(%lu)\n", + value ? "On" : "Off", value); + + return 0; +} + +static int debugfs_status_open(struct inode *inode, struct file *file) +{ + return single_open(file, debugfs_status_show, NULL); +} + +static const struct file_operations debugfs_status_fops = { + .owner = THIS_MODULE, + .open = debugfs_status_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int debugfs_cfg_show(struct seq_file *s, void *data) +{ + if (!ideapad_priv) { + seq_printf(s, "cfg: N/A\n"); + } else { + seq_printf(s, "cfg: 0x%.8lX\n\nCapability: ", + ideapad_priv->cfg); + if (test_bit(CFG_BT_BIT, &ideapad_priv->cfg)) + seq_printf(s, "Bluetooth "); + if (test_bit(CFG_3G_BIT, &ideapad_priv->cfg)) + seq_printf(s, "3G "); + if (test_bit(CFG_WIFI_BIT, &ideapad_priv->cfg)) + seq_printf(s, "Wireless "); + if (test_bit(CFG_CAMERA_BIT, &ideapad_priv->cfg)) + seq_printf(s, "Camera "); + seq_printf(s, "\nGraphic: "); + switch ((ideapad_priv->cfg)&0x700) { + case 0x100: + seq_printf(s, "Intel"); + break; + case 0x200: + seq_printf(s, "ATI"); + break; + case 0x300: + seq_printf(s, "Nvidia"); + break; + case 0x400: + seq_printf(s, "Intel and ATI"); + break; + case 0x500: + seq_printf(s, "Intel and Nvidia"); + break; + } + seq_printf(s, "\n"); + } + return 0; +} + +static int debugfs_cfg_open(struct inode *inode, struct file *file) +{ + return single_open(file, debugfs_cfg_show, NULL); +} + +static const struct file_operations debugfs_cfg_fops = { + .owner = THIS_MODULE, + .open = debugfs_cfg_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int __devinit ideapad_debugfs_init(struct ideapad_private *priv) +{ + struct dentry *node; + + priv->debug = debugfs_create_dir("ideapad", NULL); + if (priv->debug == NULL) { + pr_err("failed to create debugfs directory"); + goto errout; + } + + node = debugfs_create_file("cfg", S_IRUGO, priv->debug, NULL, + &debugfs_cfg_fops); + if (!node) { + pr_err("failed to create cfg in debugfs"); + goto errout; + } + + node = debugfs_create_file("status", S_IRUGO, priv->debug, NULL, + &debugfs_status_fops); + if (!node) { + pr_err("failed to create event in debugfs"); + goto errout; + } + + return 0; + +errout: + return -ENOMEM; +} + +static void ideapad_debugfs_exit(struct ideapad_private *priv) +{ + debugfs_remove_recursive(priv->debug); + priv->debug = NULL; +} + +/* + * sysfs */ static ssize_t show_ideapad_cam(struct device *dev, struct device_attribute *attr, @@ -163,7 +340,7 @@ static ssize_t show_ideapad_cam(struct device *dev, { unsigned long result; - if (read_ec_data(ideapad_handle, 0x1D, &result)) + if (read_ec_data(ideapad_handle, VPCCMD_R_CAMERA, &result)) return sprintf(buf, "-1\n"); return sprintf(buf, "%lu\n", result); } @@ -178,7 +355,7 @@ static ssize_t store_ideapad_cam(struct device *dev, return 0; if (sscanf(buf, "%i", &state) != 1) return -EINVAL; - ret = write_ec_cmd(ideapad_handle, 0x1E, state); + ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state); if (ret < 0) return ret; return count; @@ -186,6 +363,32 @@ static ssize_t store_ideapad_cam(struct device *dev, static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); +static struct attribute *ideapad_attributes[] = { + &dev_attr_camera_power.attr, + NULL +}; + +static mode_t ideapad_is_visible(struct kobject *kobj, + struct attribute *attr, + int idx) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct ideapad_private *priv = dev_get_drvdata(dev); + bool supported; + + if (attr == &dev_attr_camera_power.attr) + supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); + else + supported = true; + + return supported ? attr->mode : 0; +} + +static struct attribute_group ideapad_attribute_group = { + .is_visible = ideapad_is_visible, + .attrs = ideapad_attributes +}; + /* * Rfkill */ @@ -197,14 +400,15 @@ struct ideapad_rfk_data { }; const struct ideapad_rfk_data ideapad_rfk_data[] = { - { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN }, - { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH }, - { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN }, + { "ideapad_wlan", CFG_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN }, + { "ideapad_bluetooth", CFG_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH }, + { "ideapad_3g", CFG_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN }, }; static int ideapad_rfk_set(void *data, bool blocked) { - unsigned long opcode = (unsigned long)data; + unsigned long dev = (unsigned long)data; + int opcode = ideapad_rfk_data[dev].opcode; return write_ec_cmd(ideapad_handle, opcode, !blocked); } @@ -213,13 +417,12 @@ static struct rfkill_ops ideapad_rfk_ops = { .set_block = ideapad_rfk_set, }; -static void ideapad_sync_rfk_state(struct acpi_device *adevice) +static void ideapad_sync_rfk_state(struct ideapad_private *priv) { - struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); unsigned long hw_blocked; int i; - if (read_ec_data(ideapad_handle, 0x23, &hw_blocked)) + if (read_ec_data(ideapad_handle, VPCCMD_R_RF, &hw_blocked)) return; hw_blocked = !hw_blocked; @@ -265,8 +468,7 @@ static int __devinit ideapad_register_rfkill(struct acpi_device *adevice, return 0; } -static void __devexit ideapad_unregister_rfkill(struct acpi_device *adevice, - int dev) +static void ideapad_unregister_rfkill(struct acpi_device *adevice, int dev) { struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); @@ -280,15 +482,6 @@ static void __devexit ideapad_unregister_rfkill(struct acpi_device *adevice, /* * Platform device */ -static struct attribute *ideapad_attributes[] = { - &dev_attr_camera_power.attr, - NULL -}; - -static struct attribute_group ideapad_attribute_group = { - .attrs = ideapad_attributes -}; - static int __devinit ideapad_platform_init(struct ideapad_private *priv) { int result; @@ -326,8 +519,10 @@ static void ideapad_platform_exit(struct ideapad_private *priv) * input device */ static const struct key_entry ideapad_keymap[] = { - { KE_KEY, 0x06, { KEY_SWITCHVIDEOMODE } }, - { KE_KEY, 0x0D, { KEY_WLAN } }, + { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 13, { KEY_WLAN } }, + { KE_KEY, 16, { KEY_PROG1 } }, + { KE_KEY, 17, { KEY_PROG2 } }, { KE_END, 0 }, }; @@ -369,7 +564,7 @@ err_free_dev: return error; } -static void __devexit ideapad_input_exit(struct ideapad_private *priv) +static void ideapad_input_exit(struct ideapad_private *priv) { sparse_keymap_free(priv->inputdev); input_unregister_device(priv->inputdev); @@ -382,6 +577,113 @@ static void ideapad_input_report(struct ideapad_private *priv, sparse_keymap_report_event(priv->inputdev, scancode, 1, true); } +static void ideapad_input_novokey(struct ideapad_private *priv) +{ + unsigned long long_pressed; + + if (read_ec_data(ideapad_handle, VPCCMD_R_NOVO, &long_pressed)) + return; + if (long_pressed) + ideapad_input_report(priv, 17); + else + ideapad_input_report(priv, 16); +} + +/* + * backlight + */ +static int ideapad_backlight_get_brightness(struct backlight_device *blightdev) +{ + unsigned long now; + + if (read_ec_data(ideapad_handle, VPCCMD_R_BL, &now)) + return -EIO; + return now; +} + +static int ideapad_backlight_update_status(struct backlight_device *blightdev) +{ + if (write_ec_cmd(ideapad_handle, VPCCMD_W_BL, + blightdev->props.brightness)) + return -EIO; + if (write_ec_cmd(ideapad_handle, VPCCMD_W_BL_POWER, + blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1)) + return -EIO; + + return 0; +} + +static const struct backlight_ops ideapad_backlight_ops = { + .get_brightness = ideapad_backlight_get_brightness, + .update_status = ideapad_backlight_update_status, +}; + +static int ideapad_backlight_init(struct ideapad_private *priv) +{ + struct backlight_device *blightdev; + struct backlight_properties props; + unsigned long max, now, power; + + if (read_ec_data(ideapad_handle, VPCCMD_R_BL_MAX, &max)) + return -EIO; + if (read_ec_data(ideapad_handle, VPCCMD_R_BL, &now)) + return -EIO; + if (read_ec_data(ideapad_handle, VPCCMD_R_BL_POWER, &power)) + return -EIO; + + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = max; + props.type = BACKLIGHT_PLATFORM; + blightdev = backlight_device_register("ideapad", + &priv->platform_device->dev, + priv, + &ideapad_backlight_ops, + &props); + if (IS_ERR(blightdev)) { + pr_err("Could not register backlight device\n"); + return PTR_ERR(blightdev); + } + + priv->blightdev = blightdev; + blightdev->props.brightness = now; + blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; + backlight_update_status(blightdev); + + return 0; +} + +static void ideapad_backlight_exit(struct ideapad_private *priv) +{ + if (priv->blightdev) + backlight_device_unregister(priv->blightdev); + priv->blightdev = NULL; +} + +static void ideapad_backlight_notify_power(struct ideapad_private *priv) +{ + unsigned long power; + struct backlight_device *blightdev = priv->blightdev; + + if (!blightdev) + return; + if (read_ec_data(ideapad_handle, VPCCMD_R_BL_POWER, &power)) + return; + blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; +} + +static void ideapad_backlight_notify_brightness(struct ideapad_private *priv) +{ + unsigned long now; + + /* if we control brightness via acpi video driver */ + if (priv->blightdev == NULL) { + read_ec_data(ideapad_handle, VPCCMD_R_BL, &now); + return; + } + + backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY); +} + /* * module init/exit */ @@ -393,37 +695,56 @@ MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); static int __devinit ideapad_acpi_add(struct acpi_device *adevice) { - int ret, i, cfg; + int ret, i; + unsigned long cfg; struct ideapad_private *priv; - if (read_method_int(adevice->handle, "_CFG", &cfg)) + if (read_method_int(adevice->handle, "_CFG", (int *)&cfg)) return -ENODEV; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; dev_set_drvdata(&adevice->dev, priv); + ideapad_priv = priv; ideapad_handle = adevice->handle; + priv->cfg = cfg; ret = ideapad_platform_init(priv); if (ret) goto platform_failed; + ret = ideapad_debugfs_init(priv); + if (ret) + goto debugfs_failed; + ret = ideapad_input_init(priv); if (ret) goto input_failed; for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) { - if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg)) + if (test_bit(ideapad_rfk_data[i].cfgbit, &cfg)) ideapad_register_rfkill(adevice, i); else priv->rfk[i] = NULL; } - ideapad_sync_rfk_state(adevice); + ideapad_sync_rfk_state(priv); + + if (!acpi_video_backlight_support()) { + ret = ideapad_backlight_init(priv); + if (ret && ret != -ENODEV) + goto backlight_failed; + } return 0; +backlight_failed: + for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) + ideapad_unregister_rfkill(adevice, i); + ideapad_input_exit(priv); input_failed: + ideapad_debugfs_exit(priv); +debugfs_failed: ideapad_platform_exit(priv); platform_failed: kfree(priv); @@ -435,9 +756,11 @@ static int __devexit ideapad_acpi_remove(struct acpi_device *adevice, int type) struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); int i; + ideapad_backlight_exit(priv); for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) ideapad_unregister_rfkill(adevice, i); ideapad_input_exit(priv); + ideapad_debugfs_exit(priv); ideapad_platform_exit(priv); dev_set_drvdata(&adevice->dev, NULL); kfree(priv); @@ -451,20 +774,30 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) acpi_handle handle = adevice->handle; unsigned long vpc1, vpc2, vpc_bit; - if (read_ec_data(handle, 0x10, &vpc1)) + if (read_ec_data(handle, VPCCMD_R_VPC1, &vpc1)) return; - if (read_ec_data(handle, 0x1A, &vpc2)) + if (read_ec_data(handle, VPCCMD_R_VPC2, &vpc2)) return; vpc1 = (vpc2 << 8) | vpc1; for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) { if (test_bit(vpc_bit, &vpc1)) { - if (vpc_bit == 9) - ideapad_sync_rfk_state(adevice); - else if (vpc_bit == 4) - read_ec_data(handle, 0x12, &vpc2); - else + switch (vpc_bit) { + case 9: + ideapad_sync_rfk_state(priv); + break; + case 4: + ideapad_backlight_notify_brightness(priv); + break; + case 3: + ideapad_input_novokey(priv); + break; + case 2: + ideapad_backlight_notify_power(priv); + break; + default: ideapad_input_report(priv, vpc_bit); + } } } } -- cgit v1.1