From patchwork Thu Apr 1 17:56:32 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 90223 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o31Hwsjp005885 for ; Thu, 1 Apr 2010 17:58:57 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758774Ab0DAR6f (ORCPT ); Thu, 1 Apr 2010 13:58:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:28896 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758695Ab0DAR6V (ORCPT ); Thu, 1 Apr 2010 13:58:21 -0400 Received: from int-mx08.intmail.prod.int.phx2.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o31HwL5U016167 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 1 Apr 2010 13:58:21 -0400 Received: from pedra (vpn-10-70.rdu.redhat.com [10.11.10.70]) by int-mx08.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o31HvftO005012 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 1 Apr 2010 13:58:19 -0400 Date: Thu, 1 Apr 2010 14:56:32 -0300 From: Mauro Carvalho Chehab To: linux-input@vger.kernel.org, Linux Media Mailing List Subject: [PATCH 03/15] V4L/DVB: saa7134: add code to allow changing IR protocol Message-ID: <20100401145632.20550888@pedra> In-Reply-To: References: Mime-Version: 1.0 X-Scanned-By: MIMEDefang 2.67 on 10.5.11.21 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Thu, 01 Apr 2010 17:58:57 +0000 (UTC) diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index d7e73de..8187928 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -420,6 +420,10 @@ static void saa7134_input_timer(unsigned long data) void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) { + if (ir->running) + return; + + ir->running = 1; if (ir->polling) { setup_timer(&ir->timer, saa7134_input_timer, (unsigned long)dev); @@ -447,8 +451,50 @@ void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) void saa7134_ir_stop(struct saa7134_dev *dev) { + struct card_ir *ir = dev->remote; + + if (!ir->running) + return; if (dev->remote->polling) del_timer_sync(&dev->remote->timer); + else if (ir->rc5_gpio) + del_timer_sync(&ir->timer_end); + else if (ir->nec_gpio) + tasklet_kill(&ir->tlet); + ir->running = 0; +} + +int saa7134_ir_change_protocol(void *priv, u64 ir_type) +{ + struct saa7134_dev *dev = priv; + struct card_ir *ir = dev->remote; + u32 nec_gpio, rc5_gpio; + + if (ir_type == IR_TYPE_RC5) { + dprintk("Changing protocol to RC5\n"); + nec_gpio = 0; + rc5_gpio = 1; + } else if (ir_type == IR_TYPE_NEC) { + dprintk("Changing protocol to NEC\n"); + nec_gpio = 1; + rc5_gpio = 0; + } else { + dprintk("IR protocol type %ud is not supported\n", + (unsigned)ir_type); + return -EINVAL; + } + + if (ir->running) { + saa7134_ir_stop(dev); + ir->nec_gpio = nec_gpio; + ir->rc5_gpio = rc5_gpio; + saa7134_ir_start(dev, ir); + } else { + ir->nec_gpio = nec_gpio; + ir->rc5_gpio = rc5_gpio; + } + + return 0; } int saa7134_input_init1(struct saa7134_dev *dev) @@ -697,6 +743,9 @@ int saa7134_input_init1(struct saa7134_dev *dev) } ir->dev = input_dev; + dev->remote = ir; + + ir->running = 0; /* init hardware-specific stuff */ ir->mask_keycode = mask_keycode; @@ -712,6 +761,14 @@ int saa7134_input_init1(struct saa7134_dev *dev) snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(dev->pci)); + if (ir_codes->ir_type != IR_TYPE_OTHER) { + ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; + ir->props.priv = dev; + ir->props.change_protocol = saa7134_ir_change_protocol; + + /* Set IR protocol */ + saa7134_ir_change_protocol(ir->props.priv, ir_codes->ir_type); + } err = ir_input_init(input_dev, &ir->ir, ir_type); if (err < 0) goto err_out_free; @@ -729,13 +786,12 @@ int saa7134_input_init1(struct saa7134_dev *dev) } input_dev->dev.parent = &dev->pci->dev; - dev->remote = ir; - saa7134_ir_start(dev, ir); - - err = ir_input_register(ir->dev, ir_codes, NULL, MODULE_NAME); + err = ir_input_register(ir->dev, ir_codes, &ir->props, MODULE_NAME); if (err) goto err_out_stop; + saa7134_ir_start(dev, ir); + /* the remote isn't as bouncy as a keyboard */ ir->dev->rep[REP_DELAY] = repeat_delay; ir->dev->rep[REP_PERIOD] = repeat_period; diff --git a/include/media/ir-common.h b/include/media/ir-common.h index c30b283..41469b7 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -51,6 +51,9 @@ struct card_ir { char name[32]; char phys[32]; + u32 running:1; + struct ir_dev_props props; + /* Usual gpio signalling */ u32 mask_keycode;