diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 15:13:30 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 19:36:22 (GMT) |
commit | b285192a43f0432d82c2c10974204e78af0da596 (patch) | |
tree | 618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/cx23885/cx23885-f300.c | |
parent | 68de959f773a1d49096835c411390bceff5d1549 (diff) | |
download | linux-fsl-qoriq-b285192a43f0432d82c2c10974204e78af0da596.tar.xz |
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-f300.c')
-rw-r--r-- | drivers/media/video/cx23885/cx23885-f300.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/drivers/media/video/cx23885/cx23885-f300.c b/drivers/media/video/cx23885/cx23885-f300.c deleted file mode 100644 index 93998f2..0000000 --- a/drivers/media/video/cx23885/cx23885-f300.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Driver for Silicon Labs C8051F300 microcontroller. - * - * It is used for LNB power control in TeVii S470, - * TBS 6920 PCIe DVB-S2 cards. - * - * Microcontroller connected to cx23885 GPIO pins: - * GPIO0 - data - P0.3 F300 - * GPIO1 - reset - P0.2 F300 - * GPIO2 - clk - P0.1 F300 - * GPIO3 - busy - P0.0 F300 - * - * Copyright (C) 2009 Igor M. Liplianin <liplianin@me.by> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "cx23885.h" - -#define F300_DATA GPIO_0 -#define F300_RESET GPIO_1 -#define F300_CLK GPIO_2 -#define F300_BUSY GPIO_3 - -static void f300_set_line(struct cx23885_dev *dev, u32 line, u8 lvl) -{ - cx23885_gpio_enable(dev, line, 1); - if (lvl == 1) - cx23885_gpio_set(dev, line); - else - cx23885_gpio_clear(dev, line); -} - -static u8 f300_get_line(struct cx23885_dev *dev, u32 line) -{ - cx23885_gpio_enable(dev, line, 0); - - return cx23885_gpio_get(dev, line); -} - -static void f300_send_byte(struct cx23885_dev *dev, u8 dta) -{ - u8 i; - - for (i = 0; i < 8; i++) { - f300_set_line(dev, F300_CLK, 0); - udelay(30); - f300_set_line(dev, F300_DATA, (dta & 0x80) >> 7);/* msb first */ - udelay(30); - dta <<= 1; - f300_set_line(dev, F300_CLK, 1); - udelay(30); - } -} - -static u8 f300_get_byte(struct cx23885_dev *dev) -{ - u8 i, dta = 0; - - for (i = 0; i < 8; i++) { - f300_set_line(dev, F300_CLK, 0); - udelay(30); - dta <<= 1; - f300_set_line(dev, F300_CLK, 1); - udelay(30); - dta |= f300_get_line(dev, F300_DATA);/* msb first */ - - } - - return dta; -} - -static u8 f300_xfer(struct dvb_frontend *fe, u8 *buf) -{ - struct cx23885_tsport *port = fe->dvb->priv; - struct cx23885_dev *dev = port->dev; - u8 i, temp, ret = 0; - - temp = buf[0]; - for (i = 0; i < buf[0]; i++) - temp += buf[i + 1]; - temp = (~temp + 1);/* get check sum */ - buf[1 + buf[0]] = temp; - - f300_set_line(dev, F300_RESET, 1); - f300_set_line(dev, F300_CLK, 1); - udelay(30); - f300_set_line(dev, F300_DATA, 1); - msleep(1); - - /* question: */ - f300_set_line(dev, F300_RESET, 0);/* begin to send data */ - msleep(1); - - f300_send_byte(dev, 0xe0);/* the slave address is 0xe0, write */ - msleep(1); - - temp = buf[0]; - temp += 2; - for (i = 0; i < temp; i++) - f300_send_byte(dev, buf[i]); - - f300_set_line(dev, F300_RESET, 1);/* sent data over */ - f300_set_line(dev, F300_DATA, 1); - - /* answer: */ - temp = 0; - for (i = 0; ((i < 8) & (temp == 0)); i++) { - msleep(1); - if (f300_get_line(dev, F300_BUSY) == 0) - temp = 1; - } - - if (i > 7) { - printk(KERN_ERR "%s: timeout, the slave no response\n", - __func__); - ret = 1; /* timeout, the slave no response */ - } else { /* the slave not busy, prepare for getting data */ - f300_set_line(dev, F300_RESET, 0);/*ready...*/ - msleep(1); - f300_send_byte(dev, 0xe1);/* 0xe1 is Read */ - msleep(1); - temp = f300_get_byte(dev);/*get the data length */ - if (temp > 14) - temp = 14; - - for (i = 0; i < (temp + 1); i++) - f300_get_byte(dev);/* get data to empty buffer */ - - f300_set_line(dev, F300_RESET, 1);/* received data over */ - f300_set_line(dev, F300_DATA, 1); - } - - return ret; -} - -int f300_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) -{ - u8 buf[16]; - - buf[0] = 0x05; - buf[1] = 0x38;/* write port */ - buf[2] = 0x01;/* A port, lnb power */ - - switch (voltage) { - case SEC_VOLTAGE_13: - buf[3] = 0x01;/* power on */ - buf[4] = 0x02;/* B port, H/V */ - buf[5] = 0x00;/*13V v*/ - break; - case SEC_VOLTAGE_18: - buf[3] = 0x01; - buf[4] = 0x02; - buf[5] = 0x01;/* 18V h*/ - break; - case SEC_VOLTAGE_OFF: - buf[3] = 0x00;/* power off */ - buf[4] = 0x00; - buf[5] = 0x00; - break; - } - - return f300_xfer(fe, buf); -} |