From patchwork Mon Jun 3 18:12:02 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Frank Schaefer X-Patchwork-Id: 18771 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1UjZDK-0007hC-UF; Mon, 03 Jun 2013 20:10:38 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-7) with esmtp id 1UjZDI-0001Dc-1n; Mon, 03 Jun 2013 20:10:38 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759376Ab3FCSKe (ORCPT + 1 other); Mon, 3 Jun 2013 14:10:34 -0400 Received: from mail-ee0-f44.google.com ([74.125.83.44]:51240 "EHLO mail-ee0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757072Ab3FCSKc (ORCPT ); Mon, 3 Jun 2013 14:10:32 -0400 Received: by mail-ee0-f44.google.com with SMTP id c13so412206eek.31 for ; Mon, 03 Jun 2013 11:10:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :mime-version:content-type:content-transfer-encoding; bh=xmTwNZ2G7QSxcVkeYqOOec6tmX0tB6ADs3WsG9w8doA=; b=ZMamhUVpulKggWSZMWOyKTgwx03lAsuU0kAHuEyRrKEv0D0hny5CdSmpWqW4lAQR3k WwLmoKbCOvFJBSTENbcyHIVgHjred12p/KsBKGoWmckISNSMpZHWmD6pQYwPn3G7hgcv zBPaEypKHY+6f5lIHogZXn5crLlSNfBq4S8FGdOdMfo13Yc/eZxzsUt21JeAcAHmY+0e 5F4xubUQOUBwsjiWgc8iwn1ENPQ/jJSGvBgh/ESgaiZNyQOKljnMRB12xO67SAYVnzlS ybAVjI8xTJhQz08DUcWVNbWbyERFL28Th03r/WkGf/Qferw85TthqNTrln/hUFoANxyc UAOA== X-Received: by 10.15.81.197 with SMTP id x45mr24238071eey.9.1370283031477; Mon, 03 Jun 2013 11:10:31 -0700 (PDT) Received: from Athlon64X2-5000.site (ip-5-146-108-238.unitymediagroup.de. [5.146.108.238]) by mx.google.com with ESMTPSA id f1sm58310886eem.17.2013.06.03.11.10.30 for (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 03 Jun 2013 11:10:31 -0700 (PDT) From: =?UTF-8?q?Frank=20Sch=C3=A4fer?= To: mchehab@redhat.com Cc: linux-media@vger.kernel.org, =?UTF-8?q?Frank=20Sch=C3=A4fer?= Subject: [PATCH 1/4] em28xx: extend GPIO register definitions for the em25xx, em276x/7x/8x, em2874/174/84 Date: Mon, 3 Jun 2013 20:12:02 +0200 Message-Id: <1370283125-2231-2-git-send-email-fschaefer.oss@googlemail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1370283125-2231-1-git-send-email-fschaefer.oss@googlemail.com> References: <1370283125-2231-1-git-send-email-fschaefer.oss@googlemail.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2013.6.3.180018 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODY_SIZE_10000_PLUS 0, CT_TEXT_PLAIN_UTF8_CAPS 0, DKIM_SIGNATURE 0, __ANY_URI 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __FRAUD_BODY_WEBMAIL 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __PHISH_SPEAR_STRUCTURE_1 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_PATH 0, __URI_NO_WWW 0, __URI_NS , __YOUTUBE_RCVD 0' The em25xx/em276x/7x/8x provides 4 GPIO register sets, each of them consisting of separate read and a write registers. The same registers are also used by the em2874/174/84. Signed-off-by: Frank Schäfer --- drivers/media/usb/em28xx/em28xx-cards.c | 88 +++++++++++++++---------------- drivers/media/usb/em28xx/em28xx-dvb.c | 62 +++++++++++----------- drivers/media/usb/em28xx/em28xx-reg.h | 15 +++++- 3 Dateien geändert, 89 Zeilen hinzugefügt(+), 76 Zeilen entfernt(-) diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index 927956b..a2230cc 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -286,14 +286,14 @@ static struct em28xx_reg_seq dikom_dk300_digital[] = { /* Reset for the most [digital] boards */ static struct em28xx_reg_seq leadership_digital[] = { - {EM2874_R80_GPIO, 0x70, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0x70, 0xff, 10}, { -1, -1, -1, -1}, }; static struct em28xx_reg_seq leadership_reset[] = { - {EM2874_R80_GPIO, 0xf0, 0xff, 10}, - {EM2874_R80_GPIO, 0xb0, 0xff, 10}, - {EM2874_R80_GPIO, 0xf0, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf0, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xb0, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf0, 0xff, 10}, { -1, -1, -1, -1}, }; @@ -302,25 +302,25 @@ static struct em28xx_reg_seq leadership_reset[] = { * GPIO_7 - LED */ static struct em28xx_reg_seq pctv_290e[] = { - {EM2874_R80_GPIO, 0x00, 0xff, 80}, - {EM2874_R80_GPIO, 0x40, 0xff, 80}, /* GPIO_6 = 1 */ - {EM2874_R80_GPIO, 0xc0, 0xff, 80}, /* GPIO_7 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x00, 0xff, 80}, + {EM2874_R80_GPIO_P0_CTRL, 0x40, 0xff, 80}, /* GPIO_6 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0xc0, 0xff, 80}, /* GPIO_7 = 1 */ {-1, -1, -1, -1}, }; #if 0 static struct em28xx_reg_seq terratec_h5_gpio[] = { {EM28XX_R08_GPIO, 0xff, 0xff, 10}, - {EM2874_R80_GPIO, 0xf6, 0xff, 100}, - {EM2874_R80_GPIO, 0xf2, 0xff, 50}, - {EM2874_R80_GPIO, 0xf6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, { -1, -1, -1, -1}, }; static struct em28xx_reg_seq terratec_h5_digital[] = { - {EM2874_R80_GPIO, 0xf6, 0xff, 10}, - {EM2874_R80_GPIO, 0xe6, 0xff, 100}, - {EM2874_R80_GPIO, 0xa6, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 10}, { -1, -1, -1, -1}, }; #endif @@ -336,39 +336,39 @@ static struct em28xx_reg_seq terratec_h5_digital[] = { * GPIO_7 - LED (green LED) */ static struct em28xx_reg_seq pctv_460e[] = { - {EM2874_R80_GPIO, 0x01, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0x01, 0xff, 50}, {0x0d, 0xff, 0xff, 50}, - {EM2874_R80_GPIO, 0x41, 0xff, 50}, /* GPIO_6=1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x41, 0xff, 50}, /* GPIO_6=1 */ {0x0d, 0x42, 0xff, 50}, - {EM2874_R80_GPIO, 0x61, 0xff, 50}, /* GPIO_5=1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x61, 0xff, 50}, /* GPIO_5=1 */ { -1, -1, -1, -1}, }; static struct em28xx_reg_seq c3tech_digital_duo_digital[] = { - {EM2874_R80_GPIO, 0xff, 0xff, 10}, - {EM2874_R80_GPIO, 0xfd, 0xff, 10}, /* xc5000 reset */ - {EM2874_R80_GPIO, 0xf9, 0xff, 35}, - {EM2874_R80_GPIO, 0xfd, 0xff, 10}, - {EM2874_R80_GPIO, 0xff, 0xff, 10}, - {EM2874_R80_GPIO, 0xfe, 0xff, 10}, - {EM2874_R80_GPIO, 0xbe, 0xff, 10}, - {EM2874_R80_GPIO, 0xfe, 0xff, 20}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 10}, /* xc5000 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0xf9, 0xff, 35}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xfe, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xbe, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xfe, 0xff, 20}, { -1, -1, -1, -1}, }; #if 0 static struct em28xx_reg_seq hauppauge_930c_gpio[] = { - {EM2874_R80_GPIO, 0x6f, 0xff, 10}, - {EM2874_R80_GPIO, 0x4f, 0xff, 10}, /* xc5000 reset */ - {EM2874_R80_GPIO, 0x6f, 0xff, 10}, - {EM2874_R80_GPIO, 0x4f, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0x6f, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0x4f, 0xff, 10}, /* xc5000 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0x6f, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0x4f, 0xff, 10}, { -1, -1, -1, -1}, }; static struct em28xx_reg_seq hauppauge_930c_digital[] = { - {EM2874_R80_GPIO, 0xf6, 0xff, 10}, - {EM2874_R80_GPIO, 0xe6, 0xff, 100}, - {EM2874_R80_GPIO, 0xa6, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 10}, { -1, -1, -1, -1}, }; #endif @@ -379,9 +379,9 @@ static struct em28xx_reg_seq hauppauge_930c_digital[] = { * GPIO_7 - LED, 0=active */ static struct em28xx_reg_seq maxmedia_ub425_tc[] = { - {EM2874_R80_GPIO, 0x83, 0xff, 100}, - {EM2874_R80_GPIO, 0xc3, 0xff, 100}, /* GPIO_6 = 1 */ - {EM2874_R80_GPIO, 0x43, 0xff, 000}, /* GPIO_7 = 0 */ + {EM2874_R80_GPIO_P0_CTRL, 0x83, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xc3, 0xff, 100}, /* GPIO_6 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x43, 0xff, 000}, /* GPIO_7 = 0 */ {-1, -1, -1, -1}, }; @@ -392,9 +392,9 @@ static struct em28xx_reg_seq maxmedia_ub425_tc[] = { * GPIO_7: LED, 1=active */ static struct em28xx_reg_seq pctv_510e[] = { - {EM2874_R80_GPIO, 0x10, 0xff, 100}, - {EM2874_R80_GPIO, 0x14, 0xff, 100}, /* GPIO_2 = 1 */ - {EM2874_R80_GPIO, 0x54, 0xff, 050}, /* GPIO_6 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x10, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0x14, 0xff, 100}, /* GPIO_2 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x54, 0xff, 050}, /* GPIO_6 = 1 */ { -1, -1, -1, -1}, }; @@ -405,10 +405,10 @@ static struct em28xx_reg_seq pctv_510e[] = { * GPIO_7: LED, 1=active */ static struct em28xx_reg_seq pctv_520e[] = { - {EM2874_R80_GPIO, 0x10, 0xff, 100}, - {EM2874_R80_GPIO, 0x14, 0xff, 100}, /* GPIO_2 = 1 */ - {EM2874_R80_GPIO, 0x54, 0xff, 050}, /* GPIO_6 = 1 */ - {EM2874_R80_GPIO, 0xd4, 0xff, 000}, /* GPIO_7 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x10, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0x14, 0xff, 100}, /* GPIO_2 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x54, 0xff, 050}, /* GPIO_6 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0xd4, 0xff, 000}, /* GPIO_7 = 1 */ { -1, -1, -1, -1}, }; @@ -2948,13 +2948,13 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, break; case CHIP_ID_EM2874: chip_name = "em2874"; - dev->reg_gpio_num = EM2874_R80_GPIO; + dev->reg_gpio_num = EM2874_R80_GPIO_P0_CTRL; dev->wait_after_write = 0; dev->eeprom_addrwidth_16bit = 1; break; case CHIP_ID_EM28174: chip_name = "em28174"; - dev->reg_gpio_num = EM2874_R80_GPIO; + dev->reg_gpio_num = EM2874_R80_GPIO_P0_CTRL; dev->wait_after_write = 0; dev->eeprom_addrwidth_16bit = 1; break; @@ -2964,7 +2964,7 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, break; case CHIP_ID_EM2884: chip_name = "em2884"; - dev->reg_gpio_num = EM2874_R80_GPIO; + dev->reg_gpio_num = EM2874_R80_GPIO_P0_CTRL; dev->wait_after_write = 0; dev->eeprom_addrwidth_16bit = 1; break; diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 42ede68..69aed82 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -421,23 +421,23 @@ static void hauppauge_hvr930c_init(struct em28xx *dev) int i; struct em28xx_reg_seq hauppauge_hvr930c_init[] = { - {EM2874_R80_GPIO, 0xff, 0xff, 0x65}, - {EM2874_R80_GPIO, 0xfb, 0xff, 0x32}, - {EM2874_R80_GPIO, 0xff, 0xff, 0xb8}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq hauppauge_hvr930c_end[] = { - {EM2874_R80_GPIO, 0xef, 0xff, 0x01}, - {EM2874_R80_GPIO, 0xaf, 0xff, 0x65}, - {EM2874_R80_GPIO, 0xef, 0xff, 0x76}, - {EM2874_R80_GPIO, 0xef, 0xff, 0x01}, - {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b}, - {EM2874_R80_GPIO, 0xef, 0xff, 0x40}, - - {EM2874_R80_GPIO, 0xcf, 0xff, 0x65}, - {EM2874_R80_GPIO, 0xef, 0xff, 0x65}, - {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b}, - {EM2874_R80_GPIO, 0xef, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, + {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, + {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40}, + + {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, { -1, -1, -1, -1}, }; @@ -488,15 +488,15 @@ static void terratec_h5_init(struct em28xx *dev) int i; struct em28xx_reg_seq terratec_h5_init[] = { {EM28XX_R08_GPIO, 0xff, 0xff, 10}, - {EM2874_R80_GPIO, 0xf6, 0xff, 100}, - {EM2874_R80_GPIO, 0xf2, 0xff, 50}, - {EM2874_R80_GPIO, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq terratec_h5_end[] = { - {EM2874_R80_GPIO, 0xe6, 0xff, 100}, - {EM2874_R80_GPIO, 0xa6, 0xff, 50}, - {EM2874_R80_GPIO, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, { -1, -1, -1, -1}, }; struct { @@ -544,14 +544,14 @@ static void terratec_htc_stick_init(struct em28xx *dev) */ struct em28xx_reg_seq terratec_htc_stick_init[] = { {EM28XX_R08_GPIO, 0xff, 0xff, 10}, - {EM2874_R80_GPIO, 0xf6, 0xff, 100}, - {EM2874_R80_GPIO, 0xe6, 0xff, 50}, - {EM2874_R80_GPIO, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq terratec_htc_stick_end[] = { - {EM2874_R80_GPIO, 0xb6, 0xff, 100}, - {EM2874_R80_GPIO, 0xf6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, { -1, -1, -1, -1}, }; @@ -591,15 +591,15 @@ static void terratec_htc_usb_xs_init(struct em28xx *dev) struct em28xx_reg_seq terratec_htc_usb_xs_init[] = { {EM28XX_R08_GPIO, 0xff, 0xff, 10}, - {EM2874_R80_GPIO, 0xb2, 0xff, 100}, - {EM2874_R80_GPIO, 0xb2, 0xff, 50}, - {EM2874_R80_GPIO, 0xb6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq terratec_htc_usb_xs_end[] = { - {EM2874_R80_GPIO, 0xa6, 0xff, 100}, - {EM2874_R80_GPIO, 0xa6, 0xff, 50}, - {EM2874_R80_GPIO, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, { -1, -1, -1, -1}, }; diff --git a/drivers/media/usb/em28xx/em28xx-reg.h b/drivers/media/usb/em28xx/em28xx-reg.h index 622871d..0233c5b 100644 --- a/drivers/media/usb/em28xx/em28xx-reg.h +++ b/drivers/media/usb/em28xx/em28xx-reg.h @@ -193,7 +193,20 @@ #define EM2874_R50_IR_CONFIG 0x50 #define EM2874_R51_IR 0x51 #define EM2874_R5F_TS_ENABLE 0x5f -#define EM2874_R80_GPIO 0x80 + +/* em2874/174/84, em25xx, em276x/7x/8x GPIO registers */ +/* + * NOTE: not all ports are bonded out; + * Some ports are multiplexed with special function I/O + */ +#define EM2874_R80_GPIO_P0_CTRL 0x80 +#define EM2874_R81_GPIO_P1_CTRL 0x81 +#define EM2874_R82_GPIO_P2_CTRL 0x82 +#define EM2874_R83_GPIO_P3_CTRL 0x83 +#define EM2874_R84_GPIO_P0_STATE 0x84 +#define EM2874_R85_GPIO_P1_STATE 0x85 +#define EM2874_R86_GPIO_P2_STATE 0x86 +#define EM2874_R87_GPIO_P3_STATE 0x87 /* em2874 IR config register (0x50) */ #define EM2874_IR_NEC 0x00