From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 210 ++++++++++++++++++++++--- 1 file changed, 184 insertions(+), 26 deletions(-) (limited to 'kernel/drivers/media/usb/dvb-usb-v2/rtl28xxu.c') diff --git a/kernel/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/kernel/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index 895441fe9..5a503a6bb 100644 --- a/kernel/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/kernel/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -34,6 +34,14 @@ static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) unsigned int pipe; u8 requesttype; + mutex_lock(&d->usb_mutex); + + if (req->size > sizeof(dev->buf)) { + dev_err(&d->intf->dev, "too large message %u\n", req->size); + ret = -EINVAL; + goto err_mutex_unlock; + } + if (req->index & CMD_WR_FLAG) { /* write */ memcpy(dev->buf, req->data, req->size); @@ -50,14 +58,17 @@ static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value, req->index, dev->buf, req->size); if (ret < 0) - goto err; + goto err_mutex_unlock; /* read request, copy returned data to return buf */ if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) memcpy(req->data, dev->buf, req->size); + mutex_unlock(&d->usb_mutex); + return 0; -err: +err_mutex_unlock: + mutex_unlock(&d->usb_mutex); dev_dbg(&d->intf->dev, "failed=%d\n", ret); return ret; } @@ -217,7 +228,7 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], req.data = &msg[0].buf[1]; ret = rtl28xxu_ctrl_msg(d, &req); } - } else if (msg[0].len < 23) { + } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) { /* method 2 - old I2C */ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); req.index = CMD_I2C_WR; @@ -232,8 +243,14 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], req.data = msg[0].buf; ret = rtl28xxu_ctrl_msg(d, &req); } + } else if (num == 1 && (msg[0].flags & I2C_M_RD)) { + req.value = (msg[0].addr << 1); + req.index = CMD_I2C_DA_RD; + req.size = msg[0].len; + req.data = msg[0].buf; + ret = rtl28xxu_ctrl_msg(d, &req); } else { - ret = -EINVAL; + ret = -EOPNOTSUPP; } err_mutex_unlock: @@ -357,6 +374,8 @@ static int rtl2832u_read_config(struct dvb_usb_device *d) struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf}; + struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf}; + struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf}; dev_dbg(&d->intf->dev, "\n"); @@ -477,6 +496,35 @@ static int rtl2832u_read_config(struct dvb_usb_device *d) goto tuner_found; } + /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */ + ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21); + if (ret) + goto err; + + ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21); + if (ret) + goto err; + + msleep(50); + + ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21); + if (ret) + goto err; + + ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21); + if (ret) + goto err; + + msleep(50); + + /* check Si2157 ID register; reg=c0 val=80 */ + ret = rtl28xxu_ctrl_msg(d, &req_si2157); + if (ret == 0 && ((buf[0] & 0x80) == 0x80)) { + dev->tuner = TUNER_RTL2832_SI2157; + dev->tuner_name = "SI2157"; + goto tuner_found; + } + tuner_found: dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name); @@ -510,6 +558,15 @@ tuner_found: goto demod_found; } } + if (dev->tuner == TUNER_RTL2832_SI2157) { + /* check Si2168 ID register; reg=c8 val=80 */ + ret = rtl28xxu_ctrl_msg(d, &req_si2168); + if (ret == 0 && ((buf[0] & 0x80) == 0x80)) { + dev_dbg(&d->intf->dev, "Si2168 found\n"); + dev->slave_demod = SLAVE_DEMOD_SI2168; + goto demod_found; + } + } demod_found: /* close demod I2C gate */ @@ -643,6 +700,11 @@ err: return ret; } +static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = { + .clk = 28800000, + .tuner = TUNER_RTL2832_FC2580, +}; + static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = { .clk = 28800000, .tuner = TUNER_RTL2832_FC0012 @@ -668,6 +730,11 @@ static const struct rtl2832_platform_data rtl2832_r820t_platform_data = { .tuner = TUNER_RTL2832_R820T, }; +static const struct rtl2832_platform_data rtl2832_si2157_platform_data = { + .clk = 28800000, + .tuner = TUNER_RTL2832_SI2157, +}; + static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) { @@ -804,8 +871,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) *pdata = rtl2832_fc0013_platform_data; break; case TUNER_RTL2832_FC2580: - /* FIXME: do not abuse fc0012 settings */ - *pdata = rtl2832_fc0012_platform_data; + *pdata = rtl2832_fc2580_platform_data; break; case TUNER_RTL2832_TUA9001: *pdata = rtl2832_tua9001_platform_data; @@ -817,6 +883,9 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) case TUNER_RTL2832_R828D: *pdata = rtl2832_r820t_platform_data; break; + case TUNER_RTL2832_SI2157: + *pdata = rtl2832_si2157_platform_data; + break; default: dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name); ret = -ENODEV; @@ -884,7 +953,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) } dev->i2c_client_slave_demod = client; - } else { + } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) { struct mn88473_config mn88473_config = {}; mn88473_config.fe = &adap->fe[1]; @@ -906,9 +975,37 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) } dev->i2c_client_slave_demod = client; + } else { + struct si2168_config si2168_config = {}; + struct i2c_adapter *adapter; + + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &adap->fe[1]; + si2168_config.ts_mode = SI2168_TS_SERIAL; + si2168_config.ts_clock_inv = false; + si2168_config.ts_clock_gapped = true; + strlcpy(info.type, "si2168", I2C_NAME_SIZE); + info.addr = 0x64; + info.platform_data = &si2168_config; + request_module(info.type); + client = i2c_new_device(&d->i2c_adap, &info); + if (client == NULL || client->dev.driver == NULL) { + dev->slave_demod = SLAVE_DEMOD_NONE; + goto err_slave_demod_failed; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + dev->slave_demod = SLAVE_DEMOD_NONE; + goto err_slave_demod_failed; + } + + dev->i2c_client_slave_demod = client; + + /* for Si2168 devices use only new I2C write method */ + dev->new_i2c_write = true; } } - return 0; err_slave_demod_failed: err: @@ -1018,15 +1115,6 @@ err: return ret; } -static const struct fc2580_config rtl2832u_fc2580_config = { - .i2c_addr = 0x56, - .clock = 16384000, -}; - -static struct tua9001_config rtl2832u_tua9001_config = { - .i2c_addr = 0x60, -}; - static const struct fc0012_config rtl2832u_fc0012_config = { .i2c_address = 0x63, /* 0xc6 >> 1 */ .xtal_freq = FC_XTAL_28_8_MHZ, @@ -1105,12 +1193,34 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) subdev = i2c_get_clientdata(client); } break; - case TUNER_RTL2832_FC2580: - fe = dvb_attach(fc2580_attach, adap->fe[0], - dev->demod_i2c_adapter, - &rtl2832u_fc2580_config); + case TUNER_RTL2832_FC2580: { + struct fc2580_platform_data fc2580_pdata = { + .dvb_frontend = adap->fe[0], + }; + struct i2c_board_info board_info = {}; + + strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE); + board_info.addr = 0x56; + board_info.platform_data = &fc2580_pdata; + request_module("fc2580"); + client = i2c_new_device(dev->demod_i2c_adapter, + &board_info); + if (client == NULL || client->dev.driver == NULL) + break; + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + break; + } + dev->i2c_client_tuner = client; + subdev = fc2580_pdata.get_v4l2_subdev(client); + } break; - case TUNER_RTL2832_TUA9001: + case TUNER_RTL2832_TUA9001: { + struct tua9001_platform_data tua9001_pdata = { + .dvb_frontend = adap->fe[0], + }; + struct i2c_board_info board_info = {}; + /* enable GPIO1 and GPIO4 as output */ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12); if (ret) @@ -1120,10 +1230,20 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) if (ret) goto err; - fe = dvb_attach(tua9001_attach, adap->fe[0], - dev->demod_i2c_adapter, - &rtl2832u_tua9001_config); + strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE); + board_info.addr = 0x60; + board_info.platform_data = &tua9001_pdata; + request_module("tua9001"); + client = i2c_new_device(dev->demod_i2c_adapter, &board_info); + if (client == NULL || client->dev.driver == NULL) + break; + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + break; + } + dev->i2c_client_tuner = client; break; + } case TUNER_RTL2832_R820T: fe = dvb_attach(r820t_attach, adap->fe[0], dev->demod_i2c_adapter, @@ -1148,6 +1268,39 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[1]->ops.tuner_ops.get_rf_strength; } break; + case TUNER_RTL2832_SI2157: { + struct si2157_config si2157_config = { + .fe = adap->fe[0], + .if_port = 0, + .inversion = false, + }; + + strlcpy(info.type, "si2157", I2C_NAME_SIZE); + info.addr = 0x60; + info.platform_data = &si2157_config; + request_module(info.type); + client = i2c_new_device(&d->i2c_adap, &info); + if (client == NULL || client->dev.driver == NULL) + break; + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + break; + } + + dev->i2c_client_tuner = client; + subdev = i2c_get_clientdata(client); + + /* copy tuner ops for 2nd FE as tuner is shared */ + if (adap->fe[1]) { + adap->fe[1]->tuner_priv = + adap->fe[0]->tuner_priv; + memcpy(&adap->fe[1]->ops.tuner_ops, + &adap->fe[0]->ops.tuner_ops, + sizeof(struct dvb_tuner_ops)); + } + } + break; default: dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner); } @@ -1158,6 +1311,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) /* register SDR */ switch (dev->tuner) { + case TUNER_RTL2832_FC2580: case TUNER_RTL2832_FC0012: case TUNER_RTL2832_FC0013: case TUNER_RTL2832_E4000: @@ -1178,7 +1332,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) "rtl2832_sdr", PLATFORM_DEVID_AUTO, &pdata, sizeof(pdata)); - if (pdev == NULL || pdev->dev.driver == NULL) + if (IS_ERR(pdev) || pdev->dev.driver == NULL) break; dev->platform_device_sdr = pdev; break; @@ -1742,6 +1896,8 @@ static const struct usb_device_id rtl28xxu_id_table[] = { &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) }, { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620, &rtl28xxu_props, "Compro VideoMate U620F", NULL) }, + { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650, + &rtl28xxu_props, "Compro VideoMate U650F", NULL) }, { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394, &rtl28xxu_props, "MaxMedia HU394-T", NULL) }, { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03, @@ -1764,6 +1920,8 @@ static const struct usb_device_id rtl28xxu_id_table[] = { /* RTL2832P devices: */ { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131, &rtl28xxu_props, "Astrometa DVB-T2", NULL) }, + { DVB_USB_DEVICE(0x5654, 0xca42, + &rtl28xxu_props, "GoTView MasterHD 3", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table); -- cgit 1.2.3-korg