From patchwork Thu Dec 13 15:21:33 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 13546 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 6C96123E2A for ; Thu, 13 Dec 2012 15:22:13 +0000 (UTC) Received: from mail-ie0-f181.google.com (mail-ie0-f181.google.com [209.85.223.181]) by fiordland.canonical.com (Postfix) with ESMTP id EC6E4A185E5 for ; Thu, 13 Dec 2012 15:22:12 +0000 (UTC) Received: by mail-ie0-f181.google.com with SMTP id 16so4071596iea.40 for ; Thu, 13 Dec 2012 07:22:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-forwarded-to:x-forwarded-for:delivered-to:received-spf:from:to:cc :subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=VzHfKVlwiUARt6XCYn4V/p1g83aR+DV7LlsJ7H6lUYI=; b=hjB7CKJgt6F3BcWg9M12UMAIt3za7DeLzJ6cTmWbX0fpk1skX+XA1YemHXfZAHq8yV agfNOXcNpKwW5dtBLYhg6zxROneVV1QJMP20Wgira0OUYHcowlMTRMxbObf29885Qty7 Kkd1Edx9ydYJ8OEaCtyvi6uRhfdSeNi+vAl4RMLUEXX9Zvo347Vsd6u1+CQRaj9ffawJ QpBjY5VjQG9hP4/kkxgsf4H/BW5C8xStipCF5rQTtBnDlP+sklWGkgag2K2x7ZqQxsPz AV10dz/ffAtJQF0taMuypk0KK43pqEAF2EKHtU2Qu2cJ65I1B2mVesZI9+WFUI+Fd58G K0HQ== Received: by 10.50.91.195 with SMTP id cg3mr17104689igb.57.1355412132144; Thu, 13 Dec 2012 07:22:12 -0800 (PST) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.50.67.148 with SMTP id n20csp16262igt; Thu, 13 Dec 2012 07:22:11 -0800 (PST) Received: by 10.180.88.138 with SMTP id bg10mr4016487wib.13.1355412130998; Thu, 13 Dec 2012 07:22:10 -0800 (PST) Received: from mail-wi0-f174.google.com (mail-wi0-f174.google.com [209.85.212.174]) by mx.google.com with ESMTPS id de1si12607799wjb.28.2012.12.13.07.22.10 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 13 Dec 2012 07:22:10 -0800 (PST) Received-SPF: neutral (google.com: 209.85.212.174 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) client-ip=209.85.212.174; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.212.174 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) smtp.mail=lee.jones@linaro.org Received: by mail-wi0-f174.google.com with SMTP id hm9so4623099wib.1 for ; Thu, 13 Dec 2012 07:22:10 -0800 (PST) Received: by 10.194.238.226 with SMTP id vn2mr8996556wjc.23.1355412130522; Thu, 13 Dec 2012 07:22:10 -0800 (PST) Received: from localhost.localdomain (cpc1-aztw13-0-0-cust473.18-1.cable.virginmedia.com. [77.102.241.218]) by mx.google.com with ESMTPS id i6sm8200894wix.5.2012.12.13.07.22.09 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 13 Dec 2012 07:22:09 -0800 (PST) From: Lee Jones To: linux-kernel@vger.kernel.org Cc: cbou@mail.ru, Hakan Berg , Lee Jones , Marcus Cooper Subject: [PATCH 10/18] power: ab8500_bm: Adds support for Car/Travel Adapters Date: Thu, 13 Dec 2012 15:21:33 +0000 Message-Id: <1355412102-14265-11-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1355412102-14265-1-git-send-email-lee.jones@linaro.org> References: <1355412102-14265-1-git-send-email-lee.jones@linaro.org> X-Gm-Message-State: ALoCoQmCo4bElWbUOoKuI0GW41ZmV8XXPGYBw3odoO7eafebPA4hxQF8c4mperd1Nq02LdE/eHk0 From: Hakan Berg The Travel and Carkit adapter should be handled directly by the charger driver. Signed-off-by: Lee Jones Signed-off-by: Marcus Cooper Reviewed-by: Jonas ABERG --- drivers/power/ab8500_charger.c | 92 +++++++++++++++++++++++++--------- include/linux/mfd/abx500/ab8500-bm.h | 1 + 2 files changed, 69 insertions(+), 24 deletions(-) diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c index 6a78e31..7ecbd33 100644 --- a/drivers/power/ab8500_charger.c +++ b/drivers/power/ab8500_charger.c @@ -108,6 +108,18 @@ enum ab8500_charger_link_status { USB_STAT_HM_IDGND, USB_STAT_RESERVED, USB_STAT_NOT_VALID_LINK, + USB_STAT_PHY_EN, + USB_STAT_SUP_NO_IDGND_VBUS, + USB_STAT_SUP_IDGND_VBUS, + USB_STAT_CHARGER_LINE_1, + USB_STAT_CARKIT_1, + USB_STAT_CARKIT_2, + USB_STAT_ACA_DOCK_CHARGER, + USB_STAT_SAMSUNG_USB_PHY_DIS, + USB_STAT_SAMSUNG_USB_PHY_ENA, + USB_STAT_SAMSUNG_UART_PHY_DIS, + USB_STAT_SAMSUNG_UART_PHY_ENA, + USB_STAT_MOTOROLA_USB_PHY_ENA, }; enum ab8500_usb_state { @@ -586,7 +598,7 @@ static int ab8500_charger_detect_chargers(struct ab8500_charger *di) * Returns error code in case of failure else 0 on success */ static int ab8500_charger_max_usb_curr(struct ab8500_charger *di, - enum ab8500_charger_link_status link_status) + enum ab8500_charger_link_status link_status) { int ret = 0; @@ -595,15 +607,19 @@ static int ab8500_charger_max_usb_curr(struct ab8500_charger *di, case USB_STAT_STD_HOST_C_NS: case USB_STAT_STD_HOST_C_S: dev_dbg(di->dev, "USB Type - Standard host is " - "detected through USB driver\n"); + "detected through USB driver\n"); di->max_usb_in_curr = USB_CH_IP_CUR_LVL_0P09; break; case USB_STAT_HOST_CHG_HS_CHIRP: di->max_usb_in_curr = USB_CH_IP_CUR_LVL_0P5; + dev_dbg(di->dev, "USB Type - 0x%02x MaxCurr: %d", link_status, + di->max_usb_in_curr); break; case USB_STAT_HOST_CHG_HS: case USB_STAT_ACA_RID_C_HS: di->max_usb_in_curr = USB_CH_IP_CUR_LVL_0P9; + dev_dbg(di->dev, "USB Type - 0x%02x MaxCurr: %d", link_status, + di->max_usb_in_curr); break; case USB_STAT_ACA_RID_A: /* @@ -611,6 +627,8 @@ static int ab8500_charger_max_usb_curr(struct ab8500_charger *di, * can consume (300mA). Closest level is 1100mA */ di->max_usb_in_curr = USB_CH_IP_CUR_LVL_1P1; + dev_dbg(di->dev, "USB Type - 0x%02x MaxCurr: %d", link_status, + di->max_usb_in_curr); break; case USB_STAT_ACA_RID_B: /* @@ -618,34 +636,50 @@ static int ab8500_charger_max_usb_curr(struct ab8500_charger *di, * 100mA for potential accessory). Closest level is 1300mA */ di->max_usb_in_curr = USB_CH_IP_CUR_LVL_1P3; + dev_dbg(di->dev, "USB Type - 0x%02x MaxCurr: %d", link_status, + di->max_usb_in_curr); break; - case USB_STAT_DEDICATED_CHG: case USB_STAT_HOST_CHG_NM: - case USB_STAT_ACA_RID_C_HS_CHIRP: + case USB_STAT_DEDICATED_CHG: case USB_STAT_ACA_RID_C_NM: + case USB_STAT_ACA_RID_C_HS_CHIRP: di->max_usb_in_curr = USB_CH_IP_CUR_LVL_1P5; - break; - case USB_STAT_RESERVED: - /* - * This state is used to indicate that VBUS has dropped below - * the detection level 4 times in a row. This is due to the - * charger output current is set to high making the charger - * voltage collapse. This have to be propagated through to - * chargalg. This is done using the property - * POWER_SUPPLY_PROP_CURRENT_AVG = 1 - */ - di->flags.vbus_collapse = true; - dev_dbg(di->dev, "USB Type - USB_STAT_RESERVED " - "VBUS has collapsed\n"); - ret = -1; + dev_dbg(di->dev, "USB Type - 0x%02x MaxCurr: %d", link_status, + di->max_usb_in_curr); break; case USB_STAT_HM_IDGND: - case USB_STAT_NOT_CONFIGURED: case USB_STAT_NOT_VALID_LINK: + case USB_STAT_NOT_CONFIGURED: dev_err(di->dev, "USB Type - Charging not allowed\n"); di->max_usb_in_curr = USB_CH_IP_CUR_LVL_0P05; ret = -ENXIO; break; + case USB_STAT_RESERVED: + if (is_ab8500(di->parent)) { + di->flags.vbus_collapse = true; + dev_err(di->dev, "USB Type - USB_STAT_RESERVED " + "VBUS has collapsed\n"); + ret = -ENXIO; + break; + } + if (is_ab9540(di->parent) || is_ab8505(di->parent)) { + dev_dbg(di->dev, "USB Type - Charging not allowed\n"); + di->max_usb_in_curr = USB_CH_IP_CUR_LVL_0P05; + dev_dbg(di->dev, "USB Type - 0x%02x MaxCurr: %d", + link_status, di->max_usb_in_curr); + ret = -ENXIO; + break; + } + break; + case USB_STAT_CARKIT_1: + case USB_STAT_CARKIT_2: + case USB_STAT_ACA_DOCK_CHARGER: + case USB_STAT_CHARGER_LINE_1: + di->max_usb_in_curr = USB_CH_IP_CUR_LVL_0P5; + dev_dbg(di->dev, "USB Type - 0x%02x MaxCurr: %d", link_status, + di->max_usb_in_curr); + break; + default: dev_err(di->dev, "USB Type - Unknown\n"); di->max_usb_in_curr = USB_CH_IP_CUR_LVL_0P05; @@ -677,8 +711,14 @@ static int ab8500_charger_read_usb_type(struct ab8500_charger *di) dev_err(di->dev, "%s ab8500 read failed\n", __func__); return ret; } - ret = abx500_get_register_interruptible(di->dev, AB8500_USB, - AB8500_USB_LINE_STAT_REG, &val); + if (is_ab8500(di->parent)) { + ret = abx500_get_register_interruptible(di->dev, AB8500_USB, + AB8500_USB_LINE_STAT_REG, &val); + } else { + if (is_ab9540(di->parent) || is_ab8505(di->parent)) + ret = abx500_get_register_interruptible(di->dev, + AB8500_USB, AB8500_USB_LINK1_STAT_REG, &val); + } if (ret < 0) { dev_err(di->dev, "%s ab8500 read failed\n", __func__); return ret; @@ -718,8 +758,13 @@ static int ab8500_charger_detect_usb_type(struct ab8500_charger *di) dev_err(di->dev, "%s ab8500 read failed\n", __func__); return ret; } - ret = abx500_get_register_interruptible(di->dev, AB8500_USB, - AB8500_USB_LINE_STAT_REG, &val); + + if (is_ab8500(di->parent)) + ret = abx500_get_register_interruptible(di->dev, + AB8500_USB, AB8500_USB_LINE_STAT_REG, &val); + else + ret = abx500_get_register_interruptible(di->dev, + AB8500_USB, AB8500_USB_LINK1_STAT_REG, &val); if (ret < 0) { dev_err(di->dev, "%s ab8500 read failed\n", __func__); return ret; @@ -2950,7 +2995,6 @@ static int __devinit ab8500_charger_probe(struct platform_device *pdev) } if (charger_status & USB_PW_CONN) { - dev_dbg(di->dev, "VBUS Detect during startup\n"); di->vbus_detected = true; di->vbus_detected_start = true; queue_work(di->charger_wq, diff --git a/include/linux/mfd/abx500/ab8500-bm.h b/include/linux/mfd/abx500/ab8500-bm.h index fac684a..e2a1e6d 100644 --- a/include/linux/mfd/abx500/ab8500-bm.h +++ b/include/linux/mfd/abx500/ab8500-bm.h @@ -23,6 +23,7 @@ * Bank : 0x5 */ #define AB8500_USB_LINE_STAT_REG 0x80 +#define AB8500_USB_LINK1_STAT_REG 0x94 /* * Charger / status register offfsets