From patchwork Fri Dec 4 06:12:09 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 64779 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nB46C4Im003814 for ; Fri, 4 Dec 2009 06:12:14 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751819AbZLDGMG (ORCPT ); Fri, 4 Dec 2009 01:12:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751889AbZLDGMG (ORCPT ); Fri, 4 Dec 2009 01:12:06 -0500 Received: from mail-gx0-f226.google.com ([209.85.217.226]:54671 "EHLO mail-gx0-f226.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751642AbZLDGME (ORCPT ); Fri, 4 Dec 2009 01:12:04 -0500 Received: by gxk26 with SMTP id 26so1955339gxk.1 for ; Thu, 03 Dec 2009 22:12:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:subject:to:cc:date :message-id:in-reply-to:references:user-agent:mime-version :content-type:content-transfer-encoding; bh=BxmKLTUhX6X0yyWUBXZqsC+tu+Lq0lg3Oz240V9sTyo=; b=X3ql0JIC71ef1RNOg842rSQ/dmU4q/ITgJz114yN+ZSHAYaGAKy3gaOTEE4WRSW4IJ s4RQm5IerLbStYuQdifuLyHhVZAE+2uem2075E3wBsgMNiiLmx3KXRxwyQKWWCBvLYAf 94Lph+QGss6NlcktaQbaTRSnz4GoeHtXhFkXM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:subject:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-type:content-transfer-encoding; b=xn4DnM8FvOkJWrRkDxFndnBYEk/unaxB15qz9HAXbwqEXwGE2MdBFPxz1g93rINjoH 49PctG8iuUR2CKmZg29QD5PqiNGokaKQ/OK/uWBywhOoPboKirYyvPuQgs022EevW9rk /HdtpxdK1rLaWFTgKbPITB7qnkBIJPThMHbdA= Received: by 10.150.130.3 with SMTP id c3mr4687839ybd.70.1259907131120; Thu, 03 Dec 2009 22:12:11 -0800 (PST) Received: from mailhub.coreip.homeip.net (c-24-6-153-137.hsd1.ca.comcast.net [24.6.153.137]) by mx.google.com with ESMTPS id 4sm1096879ywd.29.2009.12.03.22.12.10 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 03 Dec 2009 22:12:10 -0800 (PST) From: Dmitry Torokhov Subject: [PATCH 3/9] Input: dm355evm_kbd - switch to using sparse keymap library To: linux-input@vger.kernel.org, Len Brown Cc: linux-acpi@vger.kernel.org, Herton Ronaldo Krzesinski , Harald Welte , Corentin Chary , Carlos Corbacho , Wu Zhangjin , Anisse Astier Date: Thu, 03 Dec 2009 22:12:09 -0800 Message-ID: <20091204061208.28288.16716.stgit@localhost.localdomain> In-Reply-To: <20091204060701.28288.91430.stgit@localhost.localdomain> References: <20091204060701.28288.91430.stgit@localhost.localdomain> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index d25ecbb..16ec523 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -282,6 +282,7 @@ config INPUT_RB532_BUTTON config INPUT_DM355EVM tristate "TI DaVinci DM355 EVM Keypad and IR Remote" depends on MFD_DM355EVM_MSP + select INPUT_SPARSEKMAP help Supports the pushbuttons and IR remote used with the DM355 EVM board. diff --git a/drivers/input/misc/dm355evm_keys.c b/drivers/input/misc/dm355evm_keys.c index f2b67dc..09a2815 100644 --- a/drivers/input/misc/dm355evm_keys.c +++ b/drivers/input/misc/dm355evm_keys.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -33,12 +34,8 @@ struct dm355evm_keys { int irq; }; -/* These initial keycodes can be remapped by dm355evm_setkeycode(). */ -static struct { - u16 event; - u16 keycode; -} dm355evm_keys[] = { - +/* These initial keycodes can be remapped */ +static const struct key_entry dm355evm_keys[] = { /* * Pushbuttons on the EVM board ... note that the labels for these * are SW10/SW11/etc on the PC board. The left/right orientation @@ -47,11 +44,11 @@ static struct { * is to the right. (That is, rotate the board counter-clockwise * by 90 degrees from the SW10/etc and "DM355 EVM" labels.) */ - { 0x00d8, KEY_OK, }, /* SW12 */ - { 0x00b8, KEY_UP, }, /* SW13 */ - { 0x00e8, KEY_DOWN, }, /* SW11 */ - { 0x0078, KEY_LEFT, }, /* SW14 */ - { 0x00f0, KEY_RIGHT, }, /* SW10 */ + { KE_KEY, 0x00d8, { KEY_OK } }, /* SW12 */ + { KE_KEY, 0x00b8, { KEY_UP } }, /* SW13 */ + { KE_KEY, 0x00e8, { KEY_DOWN } }, /* SW11 */ + { KE_KEY, 0x0078, { KEY_LEFT } }, /* SW14 */ + { KE_KEY, 0x00f0, { KEY_RIGHT } }, /* SW10 */ /* * IR buttons ... codes assigned to match the universal remote @@ -65,35 +62,35 @@ static struct { * RC5 codes are 14 bits, with two start bits (0x3 prefix) * and a toggle bit (masked out below). */ - { 0x300c, KEY_POWER, }, /* NOTE: docs omit this */ - { 0x3000, KEY_NUMERIC_0, }, - { 0x3001, KEY_NUMERIC_1, }, - { 0x3002, KEY_NUMERIC_2, }, - { 0x3003, KEY_NUMERIC_3, }, - { 0x3004, KEY_NUMERIC_4, }, - { 0x3005, KEY_NUMERIC_5, }, - { 0x3006, KEY_NUMERIC_6, }, - { 0x3007, KEY_NUMERIC_7, }, - { 0x3008, KEY_NUMERIC_8, }, - { 0x3009, KEY_NUMERIC_9, }, - { 0x3022, KEY_ENTER, }, - { 0x30ec, KEY_MODE, }, /* "tv/vcr/..." */ - { 0x300f, KEY_SELECT, }, /* "info" */ - { 0x3020, KEY_CHANNELUP, }, /* "up" */ - { 0x302e, KEY_MENU, }, /* "in/out" */ - { 0x3011, KEY_VOLUMEDOWN, }, /* "left" */ - { 0x300d, KEY_MUTE, }, /* "ok" */ - { 0x3010, KEY_VOLUMEUP, }, /* "right" */ - { 0x301e, KEY_SUBTITLE, }, /* "cc" */ - { 0x3021, KEY_CHANNELDOWN, }, /* "down" */ - { 0x3022, KEY_PREVIOUS, }, - { 0x3026, KEY_SLEEP, }, - { 0x3172, KEY_REWIND, }, /* NOTE: docs wrongly say 0x30ca */ - { 0x3175, KEY_PLAY, }, - { 0x3174, KEY_FASTFORWARD, }, - { 0x3177, KEY_RECORD, }, - { 0x3176, KEY_STOP, }, - { 0x3169, KEY_PAUSE, }, + { KE_KEY, 0x300c, { KEY_POWER } }, /* NOTE: docs omit this */ + { KE_KEY, 0x3000, { KEY_NUMERIC_0 } }, + { KE_KEY, 0x3001, { KEY_NUMERIC_1 } }, + { KE_KEY, 0x3002, { KEY_NUMERIC_2 } }, + { KE_KEY, 0x3003, { KEY_NUMERIC_3 } }, + { KE_KEY, 0x3004, { KEY_NUMERIC_4 } }, + { KE_KEY, 0x3005, { KEY_NUMERIC_5 } }, + { KE_KEY, 0x3006, { KEY_NUMERIC_6 } }, + { KE_KEY, 0x3007, { KEY_NUMERIC_7 } }, + { KE_KEY, 0x3008, { KEY_NUMERIC_8 } }, + { KE_KEY, 0x3009, { KEY_NUMERIC_9 } }, + { KE_KEY, 0x3022, { KEY_ENTER } }, + { KE_KEY, 0x30ec, { KEY_MODE } }, /* "tv/vcr/..." */ + { KE_KEY, 0x300f, { KEY_SELECT } }, /* "info" */ + { KE_KEY, 0x3020, { KEY_CHANNELUP } }, /* "up" */ + { KE_KEY, 0x302e, { KEY_MENU } }, /* "in/out" */ + { KE_KEY, 0x3011, { KEY_VOLUMEDOWN } }, /* "left" */ + { KE_KEY, 0x300d, { KEY_MUTE } }, /* "ok" */ + { KE_KEY, 0x3010, { KEY_VOLUMEUP } }, /* "right" */ + { KE_KEY, 0x301e, { KEY_SUBTITLE } }, /* "cc" */ + { KE_KEY, 0x3021, { KEY_CHANNELDOWN } },/* "down" */ + { KE_KEY, 0x3022, { KEY_PREVIOUS } }, + { KE_KEY, 0x3026, { KEY_SLEEP } }, + { KE_KEY, 0x3172, { KEY_REWIND } }, /* NOTE: docs wrongly say 0x30ca */ + { KE_KEY, 0x3175, { KEY_PLAY } }, + { KE_KEY, 0x3174, { KEY_FASTFORWARD } }, + { KE_KEY, 0x3177, { KEY_RECORD } }, + { KE_KEY, 0x3176, { KEY_STOP } }, + { KE_KEY, 0x3169, { KEY_PAUSE } }, }; /* @@ -105,19 +102,18 @@ static struct { */ static irqreturn_t dm355evm_keys_irq(int irq, void *_keys) { - struct dm355evm_keys *keys = _keys; - int status; + static u16 last_event; + struct dm355evm_keys *keys = _keys; + struct key_entry *ke; + unsigned int keycode; + int status; + u16 event; /* For simplicity we ignore INPUT_COUNT and just read * events until we get the "queue empty" indicator. * Reading INPUT_LOW decrements the count. */ for (;;) { - static u16 last_event; - u16 event; - int keycode; - int i; - status = dm355evm_msp_read(DM355EVM_MSP_INPUT_HIGH); if (status < 0) { dev_dbg(keys->dev, "input high err %d\n", @@ -156,14 +152,9 @@ static irqreturn_t dm355evm_keys_irq(int irq, void *_keys) /* ignore the RC5 toggle bit */ event &= ~0x0800; - /* find the key, or leave it as unknown */ - keycode = KEY_UNKNOWN; - for (i = 0; i < ARRAY_SIZE(dm355evm_keys); i++) { - if (dm355evm_keys[i].event != event) - continue; - keycode = dm355evm_keys[i].keycode; - break; - } + /* find the key, or report it as unknown */ + ke = sparse_keymap_entry_from_scancode(keys->input, event); + keycode = ke ? ke->keycode : KEY_UNKNOWN; dev_dbg(keys->dev, "input event 0x%04x--> keycode %d\n", event, keycode); @@ -174,36 +165,8 @@ static irqreturn_t dm355evm_keys_irq(int irq, void *_keys) input_report_key(keys->input, keycode, 0); input_sync(keys->input); } - return IRQ_HANDLED; -} -static int dm355evm_setkeycode(struct input_dev *dev, int index, int keycode) -{ - u16 old_keycode; - unsigned i; - - if (((unsigned)index) >= ARRAY_SIZE(dm355evm_keys)) - return -EINVAL; - - old_keycode = dm355evm_keys[index].keycode; - dm355evm_keys[index].keycode = keycode; - set_bit(keycode, dev->keybit); - - for (i = 0; i < ARRAY_SIZE(dm355evm_keys); i++) { - if (dm355evm_keys[index].keycode == old_keycode) - goto done; - } - clear_bit(old_keycode, dev->keybit); -done: - return 0; -} - -static int dm355evm_getkeycode(struct input_dev *dev, int index, int *keycode) -{ - if (((unsigned)index) >= ARRAY_SIZE(dm355evm_keys)) - return -EINVAL; - - return dm355evm_keys[index].keycode; + return IRQ_HANDLED; } /*----------------------------------------------------------------------*/ @@ -213,7 +176,6 @@ static int __devinit dm355evm_keys_probe(struct platform_device *pdev) struct dm355evm_keys *keys; struct input_dev *input; int status; - int i; /* allocate instance struct and input dev */ keys = kzalloc(sizeof *keys, GFP_KERNEL); @@ -242,31 +204,30 @@ static int __devinit dm355evm_keys_probe(struct platform_device *pdev) input->id.product = 0x0355; input->id.version = dm355evm_msp_read(DM355EVM_MSP_FIRMREV); - input->evbit[0] = BIT(EV_KEY); - for (i = 0; i < ARRAY_SIZE(dm355evm_keys); i++) - __set_bit(dm355evm_keys[i].keycode, input->keybit); - - input->setkeycode = dm355evm_setkeycode; - input->getkeycode = dm355evm_getkeycode; + status = sparse_keymap_setup(input, dm355evm_keys, NULL); + if (status) + goto fail1; /* REVISIT: flush the event queue? */ status = request_threaded_irq(keys->irq, NULL, dm355evm_keys_irq, IRQF_TRIGGER_FALLING, dev_name(&pdev->dev), keys); if (status < 0) - goto fail1; + goto fail2; /* register */ status = input_register_device(input); if (status < 0) - goto fail2; + goto fail3; platform_set_drvdata(pdev, keys); return 0; -fail2: +fail3: free_irq(keys->irq, keys); +fail2: + sparse_keymap_free(input); fail1: input_free_device(input); kfree(keys); @@ -280,6 +241,7 @@ static int __devexit dm355evm_keys_remove(struct platform_device *pdev) struct dm355evm_keys *keys = platform_get_drvdata(pdev); free_irq(keys->irq, keys); + sparse_keymap_free(keys->input); input_unregister_device(keys->input); kfree(keys);