From patchwork Fri Mar 2 19:34:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 130582 Delivered-To: patch@linaro.org Received: by 10.46.66.2 with SMTP id p2csp1635376lja; Fri, 2 Mar 2018 11:35:38 -0800 (PST) X-Google-Smtp-Source: AG47ELvECnK7o9BgOXbg8sHckXJicIG9bn8Vjqlp3DmoowExvp72T6ltfyhc87aoyH1KFy0YboaA X-Received: by 10.99.105.70 with SMTP id e67mr5373616pgc.342.1520019338444; Fri, 02 Mar 2018 11:35:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1520019338; cv=none; d=google.com; s=arc-20160816; b=hhS4t6XxmrAjd7LLOrJrxKd1BS4XnwhjPCQE1oEn93dCOc7cuMlXiGmzTgp9EWaPbY MQIotCJ6tvt+ZKL8yd3Xz77edyqqW7jV5BuzvFbVhTj+P/zzAyhCjttHfsAffWstqXUb AvVGiukSYGvmmXI5OTNkWk0t+p2sWD/y06FeX5oClf37ZQccgJ3jvgZ8lX6j2g6fC6y/ xN46TKgKekwVLHQsWWhpA/rUvzRehBnRCs+XbH5lNtHuOszuXNHxuqo4FHqJhvSihdS8 v58hSIqhqiYdiHLxbs3vHdKpGUVYXuHXt8kOy3yG7lNk5eyRl7bifEoWIh0yeeeGnyoL ANeA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:references :in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=wq1QsZdWLNB8LUM927QJ07GdwLjA6Qfr4TWNqvv+N5Q=; b=CHIPF9iN84TPuvpViZGoSOh7TMHQpAjZGQISBKde6MC7Br4QQf1xLF+DQdwkGLV0db KCevBfFZ8GmNenZK4Vhbhxt4h+h0v+v4n8nxvUxO+sD94Hm/LS6hGD5SJIKgzyjk60c/ 3jNAKgO3mKRI01S2m3Yw/tDvmj9DxMkBCM9ZYAGoQoj+HyoB9bmv4lQN6zriFlYzV3AX VfiTkBgeuRWlF2t6y+zP5kSpwVmuhXAizRiBo9y80f0X9xQaoip8aofSerFUc/vJeS+5 xplJx5pEFlOkZCJv5VZntdj4+enVUonz3wLxoDkFIk/riPglMFwT63lUVMcvorzZYHIU 8qtA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-media-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-media-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h9si4391110pgc.446.2018.03.02.11.35.38; Fri, 02 Mar 2018 11:35:38 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-media-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-media-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-media-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753063AbeCBTfe (ORCPT + 5 others); Fri, 2 Mar 2018 14:35:34 -0500 Received: from osg.samsung.com ([64.30.133.232]:51673 "EHLO osg.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752769AbeCBTfJ (ORCPT ); Fri, 2 Mar 2018 14:35:09 -0500 Received: from localhost (localhost [127.0.0.1]) by osg.samsung.com (Postfix) with ESMTP id D43B233323; Fri, 2 Mar 2018 11:35:04 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at dev.s-opensource.com X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" Received: from osg.samsung.com ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OUCNn4Z9ZNhq; Fri, 2 Mar 2018 11:35:03 -0800 (PST) Received: from smtp.s-opensource.com (201.86.168.135.dynamic.adsl.gvt.net.br [201.86.168.135]) by osg.samsung.com (Postfix) with ESMTPSA id CEFE5332D0; Fri, 2 Mar 2018 11:34:54 -0800 (PST) Received: from mchehab by smtp.s-opensource.com with local (Exim 4.90_1) (envelope-from ) id 1erqSC-00089v-9o; Fri, 02 Mar 2018 16:34:52 -0300 From: Mauro Carvalho Chehab To: Linux Media Mailing List Cc: Arnd Bergmann , Mauro Carvalho Chehab , Mauro Carvalho Chehab Subject: [PATCH 6/8] media: em28xx: split up em28xx_dvb_init to reduce stack size Date: Fri, 2 Mar 2018 16:34:47 -0300 Message-Id: <66393001d12779b2b3f039782919280986874528.1520018558.git.mchehab@s-opensource.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Arnd Bergmann With CONFIG_KASAN, the init function uses a large amount of kernel stack: drivers/media/usb/em28xx/em28xx-dvb.c: In function 'em28xx_dvb_init.part.4': drivers/media/usb/em28xx/em28xx-dvb.c:2061:1: error: the frame size of 3232 bytes is larger than 2048 bytes [-Werror=frame-larger-than=] Using gcc-7 with -fsanitize-address-use-after-scope makes this even worse: drivers/media/usb/em28xx/em28xx-dvb.c: In function 'em28xx_dvb_init': drivers/media/usb/em28xx/em28xx-dvb.c:2069:1: error: the frame size of 4280 bytes is larger than 3072 bytes [-Werror=frame-larger-than=] By splitting out each part of the switch/case statement that has its own local variables into a separate function, no single one of them uses more than 500 bytes, and with a noinline_for_stack annotation we can ensure that they are not merged back together. Signed-off-by: Arnd Bergmann Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/em28xx/em28xx-dvb.c | 947 ++++++++++++++++++---------------- 1 file changed, 508 insertions(+), 439 deletions(-) -- 2.14.3 diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 8a81c94a8a27..28c4c7d8dbd8 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -934,7 +934,7 @@ static struct lgdt3306a_config hauppauge_01595_lgdt3306a_config = { /* ------------------------------------------------------------------ */ -static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) +static noinline_for_stack int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) { struct dvb_frontend *fe; struct xc2028_config cfg; @@ -1126,6 +1126,492 @@ static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) dvb_unregister_adapter(&dvb->adapter); } +static noinline_for_stack int em28174_dvb_init_pctv_460e(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_client *client; + struct i2c_board_info board_info; + struct tda10071_platform_data tda10071_pdata = {}; + struct a8293_platform_data a8293_pdata = {}; + int result; + + /* attach demod + tuner combo */ + tda10071_pdata.clk = 40444000, /* 40.444 MHz */ + tda10071_pdata.i2c_wr_max = 64, + tda10071_pdata.ts_mode = TDA10071_TS_SERIAL, + tda10071_pdata.pll_multiplier = 20, + tda10071_pdata.tuner_i2c_addr = 0x14, + memset(&board_info, 0, sizeof(board_info)); + strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE); + board_info.addr = 0x55; + board_info.platform_data = &tda10071_pdata; + request_module("tda10071"); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); + if (client == NULL || client->dev.driver == NULL) { + result = -ENODEV; + goto out_free; + } + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + result = -ENODEV; + goto out_free; + } + dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client); + dvb->i2c_client_demod = client; + + /* attach SEC */ + a8293_pdata.dvb_frontend = dvb->fe[0]; + memset(&board_info, 0, sizeof(board_info)); + strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); + board_info.addr = 0x08; + board_info.platform_data = &a8293_pdata; + request_module("a8293"); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + dvb->i2c_client_sec = client; + result = 0; +out_free: + return result; +} + +static noinline_for_stack int em28178_dvb_init_pctv_461e(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_client *client; + struct i2c_adapter *i2c_adapter; + struct i2c_board_info board_info; + struct m88ds3103_platform_data m88ds3103_pdata = {}; + struct ts2020_config ts2020_config = {}; + struct a8293_platform_data a8293_pdata = {}; + int result; + + /* attach demod */ + m88ds3103_pdata.clk = 27000000; + m88ds3103_pdata.i2c_wr_max = 33; + m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL; + m88ds3103_pdata.ts_clk = 16000; + m88ds3103_pdata.ts_clk_pol = 1; + m88ds3103_pdata.agc = 0x99; + memset(&board_info, 0, sizeof(board_info)); + strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE); + board_info.addr = 0x68; + board_info.platform_data = &m88ds3103_pdata; + request_module("m88ds3103"); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); + if (client == NULL || client->dev.driver == NULL) { + result = -ENODEV; + goto out_free; + } + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + result = -ENODEV; + goto out_free; + } + dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client); + i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client); + dvb->i2c_client_demod = client; + + /* attach tuner */ + ts2020_config.fe = dvb->fe[0]; + memset(&board_info, 0, sizeof(board_info)); + strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE); + board_info.addr = 0x60; + board_info.platform_data = &ts2020_config; + request_module("ts2020"); + client = i2c_new_device(i2c_adapter, &board_info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + dvb->i2c_client_tuner = client; + /* delegate signal strength measurement to tuner */ + dvb->fe[0]->ops.read_signal_strength = + dvb->fe[0]->ops.tuner_ops.get_rf_strength; + + /* attach SEC */ + a8293_pdata.dvb_frontend = dvb->fe[0]; + memset(&board_info, 0, sizeof(board_info)); + strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); + board_info.addr = 0x08; + board_info.platform_data = &a8293_pdata; + request_module("a8293"); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_tuner->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_tuner); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_tuner->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_tuner); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + dvb->i2c_client_sec = client; + result = 0; +out_free: + return result; +} + +static noinline_for_stack int em28178_dvb_init_pctv_292e(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct i2c_client *client; + struct i2c_board_info info; + struct si2168_config si2168_config; + struct si2157_config si2157_config; + int result; + + /* attach demod */ + memset(&si2168_config, 0, sizeof(si2168_config)); + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &dvb->fe[0]; + si2168_config.ts_mode = SI2168_TS_PARALLEL; + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "si2168", I2C_NAME_SIZE); + info.addr = 0x64; + info.platform_data = &si2168_config; + request_module(info.type); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); + if (client == NULL || client->dev.driver == NULL) { + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_demod = client; + + /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 1; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "si2157", I2C_NAME_SIZE); + info.addr = 0x60; + info.platform_data = &si2157_config; + request_module(info.type); + client = i2c_new_device(adapter, &info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_tuner = client; + dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna; + result = 0; +out_free: + return result; +} + +static noinline_for_stack int em28178_dvb_init_terratec_t2_stick_hd(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct i2c_client *client; + struct i2c_board_info info; + struct si2168_config si2168_config; + struct si2157_config si2157_config; + int result; + + /* attach demod */ + memset(&si2168_config, 0, sizeof(si2168_config)); + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &dvb->fe[0]; + si2168_config.ts_mode = SI2168_TS_PARALLEL; + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "si2168", I2C_NAME_SIZE); + info.addr = 0x64; + info.platform_data = &si2168_config; + request_module(info.type); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); + if (client == NULL || client->dev.driver == NULL) { + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_demod = client; + + /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 0; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "si2146", I2C_NAME_SIZE); + info.addr = 0x60; + info.platform_data = &si2157_config; + request_module("si2157"); + client = i2c_new_device(adapter, &info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_tuner = client; + result = 0; +out_free: + return result; +} + +static noinline_for_stack int em28178_dvb_init_plex_px_bcud(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_client *client; + struct i2c_board_info info; + struct tc90522_config tc90522_config; + struct qm1d1c0042_config qm1d1c0042_config; + int result; + + /* attach demod */ + memset(&tc90522_config, 0, sizeof(tc90522_config)); + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "tc90522sat", I2C_NAME_SIZE); + info.addr = 0x15; + info.platform_data = &tc90522_config; + request_module("tc90522"); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); + if (client == NULL || client->dev.driver == NULL) { + result = -ENODEV; + goto out_free; + } + dvb->i2c_client_demod = client; + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + result = -ENODEV; + goto out_free; + } + + /* attach tuner */ + memset(&qm1d1c0042_config, 0, + sizeof(qm1d1c0042_config)); + qm1d1c0042_config.fe = tc90522_config.fe; + qm1d1c0042_config.lpf = 1; + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "qm1d1c0042", I2C_NAME_SIZE); + info.addr = 0x61; + info.platform_data = &qm1d1c0042_config; + request_module(info.type); + client = i2c_new_device(tc90522_config.tuner_i2c, + &info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + dvb->i2c_client_tuner = client; + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + dvb->fe[0] = tc90522_config.fe; + px_bcud_init(dev); + result = 0; +out_free: + return result; +} + +static noinline_for_stack int em28174_dvb_init_hauppauge_wintv_dualhd_dvb(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct i2c_client *client; + struct i2c_board_info info; + struct si2168_config si2168_config; + struct si2157_config si2157_config; + int result; + + /* attach demod */ + memset(&si2168_config, 0, sizeof(si2168_config)); + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &dvb->fe[0]; + si2168_config.ts_mode = SI2168_TS_SERIAL; + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "si2168", I2C_NAME_SIZE); + info.addr = 0x64; + info.platform_data = &si2168_config; + request_module(info.type); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); + if (client == NULL || client->dev.driver == NULL) { + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_demod = client; + + /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 1; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "si2157", I2C_NAME_SIZE); + info.addr = 0x60; + info.platform_data = &si2157_config; + request_module(info.type); + client = i2c_new_device(adapter, &info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_tuner = client; + result = 0; +out_free: + return result; +} + +static int em28174_dvb_init_hauppauge_wintv_dualhd_01595(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct i2c_client *client; + struct i2c_board_info info = {}; + struct lgdt3306a_config lgdt3306a_config; + struct si2157_config si2157_config = {}; + int result; + + /* attach demod */ + lgdt3306a_config = hauppauge_01595_lgdt3306a_config; + lgdt3306a_config.fe = &dvb->fe[0]; + lgdt3306a_config.i2c_adapter = &adapter; + strlcpy(info.type, "lgdt3306a", sizeof(info.type)); + info.addr = 0x59; + info.platform_data = &lgdt3306a_config; + request_module(info.type); + client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], + &info); + if (client == NULL || client->dev.driver == NULL) { + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_demod = client; + + /* attach tuner */ + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 1; + si2157_config.inversion = 1; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "si2157", sizeof(info.type)); + info.addr = 0x60; + info.platform_data = &si2157_config; + request_module(info.type); + + client = i2c_new_device(adapter, &info); + if (client == NULL || client->dev.driver == NULL) { + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + module_put(dvb->i2c_client_demod->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod); + result = -ENODEV; + goto out_free; + } + + dvb->i2c_client_tuner = client; + result = 0; +out_free: + return result; +} static int em28xx_dvb_init(struct em28xx *dev) { int result = 0; @@ -1427,60 +1913,11 @@ static int em28xx_dvb_init(struct em28xx *dev) &dev->i2c_adap[dev->def_i2c_bus], &c3tech_duo_tda18271_config); break; - case EM28174_BOARD_PCTV_460E: { - struct i2c_client *client; - struct i2c_board_info board_info; - struct tda10071_platform_data tda10071_pdata = {}; - struct a8293_platform_data a8293_pdata = {}; - - /* attach demod + tuner combo */ - tda10071_pdata.clk = 40444000, /* 40.444 MHz */ - tda10071_pdata.i2c_wr_max = 64, - tda10071_pdata.ts_mode = TDA10071_TS_SERIAL, - tda10071_pdata.pll_multiplier = 20, - tda10071_pdata.tuner_i2c_addr = 0x14, - memset(&board_info, 0, sizeof(board_info)); - strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE); - board_info.addr = 0x55; - board_info.platform_data = &tda10071_pdata; - request_module("tda10071"); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); - if (client == NULL || client->dev.driver == NULL) { - result = -ENODEV; + case EM28174_BOARD_PCTV_460E: + result = em28174_dvb_init_pctv_460e(dev); + if (result) goto out_free; - } - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - result = -ENODEV; - goto out_free; - } - dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client); - dvb->i2c_client_demod = client; - - /* attach SEC */ - a8293_pdata.dvb_frontend = dvb->fe[0]; - memset(&board_info, 0, sizeof(board_info)); - strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); - board_info.addr = 0x08; - board_info.platform_data = &a8293_pdata; - request_module("a8293"); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - dvb->i2c_client_sec = client; break; - } case EM2874_BOARD_DELOCK_61959: case EM2874_BOARD_MAXMEDIA_UB425_TC: /* attach demodulator */ @@ -1627,403 +2064,35 @@ static int em28xx_dvb_init(struct em28xx *dev) } } break; - case EM28178_BOARD_PCTV_461E: { - struct i2c_client *client; - struct i2c_adapter *i2c_adapter; - struct i2c_board_info board_info; - struct m88ds3103_platform_data m88ds3103_pdata = {}; - struct ts2020_config ts2020_config = {}; - struct a8293_platform_data a8293_pdata = {}; - - /* attach demod */ - m88ds3103_pdata.clk = 27000000; - m88ds3103_pdata.i2c_wr_max = 33; - m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL; - m88ds3103_pdata.ts_clk = 16000; - m88ds3103_pdata.ts_clk_pol = 1; - m88ds3103_pdata.agc = 0x99; - memset(&board_info, 0, sizeof(board_info)); - strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE); - board_info.addr = 0x68; - board_info.platform_data = &m88ds3103_pdata; - request_module("m88ds3103"); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); - if (client == NULL || client->dev.driver == NULL) { - result = -ENODEV; + case EM28178_BOARD_PCTV_461E: + result = em28178_dvb_init_pctv_461e(dev); + if (result) goto out_free; - } - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - result = -ENODEV; - goto out_free; - } - dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client); - i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client); - dvb->i2c_client_demod = client; - - /* attach tuner */ - ts2020_config.fe = dvb->fe[0]; - memset(&board_info, 0, sizeof(board_info)); - strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE); - board_info.addr = 0x60; - board_info.platform_data = &ts2020_config; - request_module("ts2020"); - client = i2c_new_device(i2c_adapter, &board_info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - dvb->i2c_client_tuner = client; - /* delegate signal strength measurement to tuner */ - dvb->fe[0]->ops.read_signal_strength = - dvb->fe[0]->ops.tuner_ops.get_rf_strength; - - /* attach SEC */ - a8293_pdata.dvb_frontend = dvb->fe[0]; - memset(&board_info, 0, sizeof(board_info)); - strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); - board_info.addr = 0x08; - board_info.platform_data = &a8293_pdata; - request_module("a8293"); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_tuner->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_tuner); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_tuner->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_tuner); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - dvb->i2c_client_sec = client; break; - } case EM28178_BOARD_PCTV_292E: - { - struct i2c_adapter *adapter; - struct i2c_client *client; - struct i2c_board_info info; - struct si2168_config si2168_config; - struct si2157_config si2157_config; - - /* attach demod */ - memset(&si2168_config, 0, sizeof(si2168_config)); - si2168_config.i2c_adapter = &adapter; - si2168_config.fe = &dvb->fe[0]; - si2168_config.ts_mode = SI2168_TS_PARALLEL; - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "si2168", I2C_NAME_SIZE); - info.addr = 0x64; - info.platform_data = &si2168_config; - request_module(info.type); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); - if (client == NULL || client->dev.driver == NULL) { - result = -ENODEV; - goto out_free; - } - - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_demod = client; - - /* attach tuner */ - memset(&si2157_config, 0, sizeof(si2157_config)); - si2157_config.fe = dvb->fe[0]; - si2157_config.if_port = 1; -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - si2157_config.mdev = dev->media_dev; -#endif - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "si2157", I2C_NAME_SIZE); - info.addr = 0x60; - info.platform_data = &si2157_config; - request_module(info.type); - client = i2c_new_device(adapter, &info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_tuner = client; - dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna; - } + result = em28178_dvb_init_pctv_292e(dev); + if (result) + goto out_free; break; case EM28178_BOARD_TERRATEC_T2_STICK_HD: - { - struct i2c_adapter *adapter; - struct i2c_client *client; - struct i2c_board_info info; - struct si2168_config si2168_config; - struct si2157_config si2157_config; - - /* attach demod */ - memset(&si2168_config, 0, sizeof(si2168_config)); - si2168_config.i2c_adapter = &adapter; - si2168_config.fe = &dvb->fe[0]; - si2168_config.ts_mode = SI2168_TS_PARALLEL; - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "si2168", I2C_NAME_SIZE); - info.addr = 0x64; - info.platform_data = &si2168_config; - request_module(info.type); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); - if (client == NULL || client->dev.driver == NULL) { - result = -ENODEV; - goto out_free; - } - - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_demod = client; - - /* attach tuner */ - memset(&si2157_config, 0, sizeof(si2157_config)); - si2157_config.fe = dvb->fe[0]; - si2157_config.if_port = 0; -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - si2157_config.mdev = dev->media_dev; -#endif - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "si2146", I2C_NAME_SIZE); - info.addr = 0x60; - info.platform_data = &si2157_config; - request_module("si2157"); - client = i2c_new_device(adapter, &info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_tuner = client; - } + result = em28178_dvb_init_terratec_t2_stick_hd(dev); + if (result) + goto out_free; break; - case EM28178_BOARD_PLEX_PX_BCUD: - { - struct i2c_client *client; - struct i2c_board_info info; - struct tc90522_config tc90522_config; - struct qm1d1c0042_config qm1d1c0042_config; - - /* attach demod */ - memset(&tc90522_config, 0, sizeof(tc90522_config)); - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "tc90522sat", I2C_NAME_SIZE); - info.addr = 0x15; - info.platform_data = &tc90522_config; - request_module("tc90522"); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); - if (client == NULL || client->dev.driver == NULL) { - result = -ENODEV; - goto out_free; - } - dvb->i2c_client_demod = client; - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - result = -ENODEV; - goto out_free; - } - - /* attach tuner */ - memset(&qm1d1c0042_config, 0, - sizeof(qm1d1c0042_config)); - qm1d1c0042_config.fe = tc90522_config.fe; - qm1d1c0042_config.lpf = 1; - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "qm1d1c0042", I2C_NAME_SIZE); - info.addr = 0x61; - info.platform_data = &qm1d1c0042_config; - request_module(info.type); - client = i2c_new_device(tc90522_config.tuner_i2c, - &info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - dvb->i2c_client_tuner = client; - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - dvb->fe[0] = tc90522_config.fe; - px_bcud_init(dev); - } + result = em28178_dvb_init_plex_px_bcud(dev); + if (result) + goto out_free; break; case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB: - { - struct i2c_adapter *adapter; - struct i2c_client *client; - struct i2c_board_info info; - struct si2168_config si2168_config; - struct si2157_config si2157_config; - - /* attach demod */ - memset(&si2168_config, 0, sizeof(si2168_config)); - si2168_config.i2c_adapter = &adapter; - si2168_config.fe = &dvb->fe[0]; - si2168_config.ts_mode = SI2168_TS_SERIAL; - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "si2168", I2C_NAME_SIZE); - info.addr = 0x64; - info.platform_data = &si2168_config; - request_module(info.type); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); - if (client == NULL || client->dev.driver == NULL) { - result = -ENODEV; - goto out_free; - } - - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_demod = client; - - /* attach tuner */ - memset(&si2157_config, 0, sizeof(si2157_config)); - si2157_config.fe = dvb->fe[0]; - si2157_config.if_port = 1; -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - si2157_config.mdev = dev->media_dev; -#endif - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "si2157", I2C_NAME_SIZE); - info.addr = 0x60; - info.platform_data = &si2157_config; - request_module(info.type); - client = i2c_new_device(adapter, &info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_tuner = client; - - } + result = em28174_dvb_init_hauppauge_wintv_dualhd_dvb(dev); + if (result) + goto out_free; break; case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595: - { - struct i2c_adapter *adapter; - struct i2c_client *client; - struct i2c_board_info info = {}; - struct lgdt3306a_config lgdt3306a_config; - struct si2157_config si2157_config = {}; - - /* attach demod */ - lgdt3306a_config = hauppauge_01595_lgdt3306a_config; - lgdt3306a_config.fe = &dvb->fe[0]; - lgdt3306a_config.i2c_adapter = &adapter; - strlcpy(info.type, "lgdt3306a", sizeof(info.type)); - info.addr = 0x59; - info.platform_data = &lgdt3306a_config; - request_module(info.type); - client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], - &info); - if (client == NULL || client->dev.driver == NULL) { - result = -ENODEV; - goto out_free; - } - - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_demod = client; - - /* attach tuner */ - si2157_config.fe = dvb->fe[0]; - si2157_config.if_port = 1; - si2157_config.inversion = 1; -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - si2157_config.mdev = dev->media_dev; -#endif - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "si2157", sizeof(info.type)); - info.addr = 0x60; - info.platform_data = &si2157_config; - request_module(info.type); - - client = i2c_new_device(adapter, &info); - if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - if (!try_module_get(client->dev.driver->owner)) { - i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); - result = -ENODEV; - goto out_free; - } - - dvb->i2c_client_tuner = client; - } + result = em28174_dvb_init_hauppauge_wintv_dualhd_01595(dev); + if (result) + goto out_free; break; default: dev_err(&dev->intf->dev,