forked from Minki/linux
3e4d8f48b9
Use codespell to fix lots of typos over frontends. Manually verified to avoid false-positives. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
3116 lines
90 KiB
C
3116 lines
90 KiB
C
/*
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cx231xx_avcore.c - driver for Conexant Cx23100/101/102
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USB video capture devices
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Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
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This program contains the specific code to control the avdecoder chip and
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other related usb control functions for cx231xx based chipset.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "cx231xx.h"
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#include <linux/init.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/bitmap.h>
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#include <linux/i2c.h>
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#include <linux/mm.h>
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#include <linux/mutex.h>
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#include <media/tuner.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include "cx231xx-dif.h"
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#define TUNER_MODE_FM_RADIO 0
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/******************************************************************************
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-: BLOCK ARRANGEMENT :-
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I2S block ----------------------|
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[I2S audio] |
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Analog Front End --> Direct IF -|-> Cx25840 --> Audio
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[video & audio] | [Audio]
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|-> Cx25840 --> Video
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[Video]
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*******************************************************************************/
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/******************************************************************************
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* VERVE REGISTER *
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* *
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******************************************************************************/
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static int verve_write_byte(struct cx231xx *dev, u8 saddr, u8 data)
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{
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return cx231xx_write_i2c_data(dev, VERVE_I2C_ADDRESS,
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saddr, 1, data, 1);
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}
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static int verve_read_byte(struct cx231xx *dev, u8 saddr, u8 *data)
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{
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int status;
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u32 temp = 0;
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status = cx231xx_read_i2c_data(dev, VERVE_I2C_ADDRESS,
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saddr, 1, &temp, 1);
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*data = (u8) temp;
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return status;
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}
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void initGPIO(struct cx231xx *dev)
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{
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u32 _gpio_direction = 0;
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u32 value = 0;
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u8 val = 0;
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_gpio_direction = _gpio_direction & 0xFC0003FF;
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_gpio_direction = _gpio_direction | 0x03FDFC00;
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cx231xx_send_gpio_cmd(dev, _gpio_direction, (u8 *)&value, 4, 0, 0);
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verve_read_byte(dev, 0x07, &val);
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dev_dbg(dev->dev, "verve_read_byte address0x07=0x%x\n", val);
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verve_write_byte(dev, 0x07, 0xF4);
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verve_read_byte(dev, 0x07, &val);
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dev_dbg(dev->dev, "verve_read_byte address0x07=0x%x\n", val);
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cx231xx_capture_start(dev, 1, Vbi);
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cx231xx_mode_register(dev, EP_MODE_SET, 0x0500FE00);
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cx231xx_mode_register(dev, GBULK_BIT_EN, 0xFFFDFFFF);
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}
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void uninitGPIO(struct cx231xx *dev)
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{
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u8 value[4] = { 0, 0, 0, 0 };
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cx231xx_capture_start(dev, 0, Vbi);
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verve_write_byte(dev, 0x07, 0x14);
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cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
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0x68, value, 4);
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}
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/******************************************************************************
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* A F E - B L O C K C O N T R O L functions *
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* [ANALOG FRONT END] *
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******************************************************************************/
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static int afe_write_byte(struct cx231xx *dev, u16 saddr, u8 data)
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{
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return cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS,
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saddr, 2, data, 1);
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}
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static int afe_read_byte(struct cx231xx *dev, u16 saddr, u8 *data)
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{
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int status;
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u32 temp = 0;
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status = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
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saddr, 2, &temp, 1);
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*data = (u8) temp;
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return status;
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}
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int cx231xx_afe_init_super_block(struct cx231xx *dev, u32 ref_count)
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{
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int status = 0;
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u8 temp = 0;
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u8 afe_power_status = 0;
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int i = 0;
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/* super block initialize */
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temp = (u8) (ref_count & 0xff);
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status = afe_write_byte(dev, SUP_BLK_TUNE2, temp);
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if (status < 0)
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return status;
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status = afe_read_byte(dev, SUP_BLK_TUNE2, &afe_power_status);
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if (status < 0)
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return status;
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temp = (u8) ((ref_count & 0x300) >> 8);
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temp |= 0x40;
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status = afe_write_byte(dev, SUP_BLK_TUNE1, temp);
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if (status < 0)
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return status;
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status = afe_write_byte(dev, SUP_BLK_PLL2, 0x0f);
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if (status < 0)
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return status;
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/* enable pll */
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while (afe_power_status != 0x18) {
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status = afe_write_byte(dev, SUP_BLK_PWRDN, 0x18);
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if (status < 0) {
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dev_dbg(dev->dev,
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"%s: Init Super Block failed in send cmd\n",
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__func__);
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break;
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}
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status = afe_read_byte(dev, SUP_BLK_PWRDN, &afe_power_status);
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afe_power_status &= 0xff;
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if (status < 0) {
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dev_dbg(dev->dev,
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"%s: Init Super Block failed in receive cmd\n",
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__func__);
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break;
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}
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i++;
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if (i == 10) {
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dev_dbg(dev->dev,
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"%s: Init Super Block force break in loop !!!!\n",
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__func__);
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status = -1;
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break;
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}
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}
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if (status < 0)
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return status;
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/* start tuning filter */
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status = afe_write_byte(dev, SUP_BLK_TUNE3, 0x40);
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if (status < 0)
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return status;
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msleep(5);
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/* exit tuning */
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status = afe_write_byte(dev, SUP_BLK_TUNE3, 0x00);
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return status;
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}
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int cx231xx_afe_init_channels(struct cx231xx *dev)
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{
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int status = 0;
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/* power up all 3 channels, clear pd_buffer */
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status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1, 0x00);
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status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2, 0x00);
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status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3, 0x00);
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/* Enable quantizer calibration */
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status = afe_write_byte(dev, ADC_COM_QUANT, 0x02);
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/* channel initialize, force modulator (fb) reset */
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status = afe_write_byte(dev, ADC_FB_FRCRST_CH1, 0x17);
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status = afe_write_byte(dev, ADC_FB_FRCRST_CH2, 0x17);
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status = afe_write_byte(dev, ADC_FB_FRCRST_CH3, 0x17);
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/* start quantilizer calibration */
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status = afe_write_byte(dev, ADC_CAL_ATEST_CH1, 0x10);
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status = afe_write_byte(dev, ADC_CAL_ATEST_CH2, 0x10);
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status = afe_write_byte(dev, ADC_CAL_ATEST_CH3, 0x10);
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msleep(5);
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/* exit modulator (fb) reset */
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status = afe_write_byte(dev, ADC_FB_FRCRST_CH1, 0x07);
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status = afe_write_byte(dev, ADC_FB_FRCRST_CH2, 0x07);
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status = afe_write_byte(dev, ADC_FB_FRCRST_CH3, 0x07);
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/* enable the pre_clamp in each channel for single-ended input */
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status = afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH1, 0xf0);
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status = afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH2, 0xf0);
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status = afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH3, 0xf0);
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/* use diode instead of resistor, so set term_en to 0, res_en to 0 */
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status = cx231xx_reg_mask_write(dev, AFE_DEVICE_ADDRESS, 8,
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ADC_QGAIN_RES_TRM_CH1, 3, 7, 0x00);
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status = cx231xx_reg_mask_write(dev, AFE_DEVICE_ADDRESS, 8,
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ADC_QGAIN_RES_TRM_CH2, 3, 7, 0x00);
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status = cx231xx_reg_mask_write(dev, AFE_DEVICE_ADDRESS, 8,
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ADC_QGAIN_RES_TRM_CH3, 3, 7, 0x00);
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/* dynamic element matching off */
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status = afe_write_byte(dev, ADC_DCSERVO_DEM_CH1, 0x03);
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status = afe_write_byte(dev, ADC_DCSERVO_DEM_CH2, 0x03);
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status = afe_write_byte(dev, ADC_DCSERVO_DEM_CH3, 0x03);
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return status;
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}
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int cx231xx_afe_setup_AFE_for_baseband(struct cx231xx *dev)
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{
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u8 c_value = 0;
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int status = 0;
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status = afe_read_byte(dev, ADC_PWRDN_CLAMP_CH2, &c_value);
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c_value &= (~(0x50));
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status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2, c_value);
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return status;
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}
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/*
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The Analog Front End in Cx231xx has 3 channels. These
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channels are used to share between different inputs
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like tuner, s-video and composite inputs.
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channel 1 ----- pin 1 to pin4(in reg is 1-4)
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channel 2 ----- pin 5 to pin8(in reg is 5-8)
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channel 3 ----- pin 9 to pin 12(in reg is 9-11)
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*/
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int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux)
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{
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u8 ch1_setting = (u8) input_mux;
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u8 ch2_setting = (u8) (input_mux >> 8);
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u8 ch3_setting = (u8) (input_mux >> 16);
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int status = 0;
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u8 value = 0;
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if (ch1_setting != 0) {
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status = afe_read_byte(dev, ADC_INPUT_CH1, &value);
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value &= ~INPUT_SEL_MASK;
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value |= (ch1_setting - 1) << 4;
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value &= 0xff;
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status = afe_write_byte(dev, ADC_INPUT_CH1, value);
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}
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if (ch2_setting != 0) {
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status = afe_read_byte(dev, ADC_INPUT_CH2, &value);
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value &= ~INPUT_SEL_MASK;
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value |= (ch2_setting - 1) << 4;
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value &= 0xff;
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status = afe_write_byte(dev, ADC_INPUT_CH2, value);
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}
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/* For ch3_setting, the value to put in the register is
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7 less than the input number */
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if (ch3_setting != 0) {
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status = afe_read_byte(dev, ADC_INPUT_CH3, &value);
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value &= ~INPUT_SEL_MASK;
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value |= (ch3_setting - 1) << 4;
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value &= 0xff;
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status = afe_write_byte(dev, ADC_INPUT_CH3, value);
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}
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return status;
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}
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int cx231xx_afe_set_mode(struct cx231xx *dev, enum AFE_MODE mode)
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{
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int status = 0;
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/*
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* FIXME: We need to implement the AFE code for LOW IF and for HI IF.
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* Currently, only baseband works.
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*/
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switch (mode) {
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case AFE_MODE_LOW_IF:
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cx231xx_Setup_AFE_for_LowIF(dev);
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break;
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case AFE_MODE_BASEBAND:
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status = cx231xx_afe_setup_AFE_for_baseband(dev);
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break;
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case AFE_MODE_EU_HI_IF:
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/* SetupAFEforEuHiIF(); */
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break;
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case AFE_MODE_US_HI_IF:
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/* SetupAFEforUsHiIF(); */
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break;
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case AFE_MODE_JAPAN_HI_IF:
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/* SetupAFEforJapanHiIF(); */
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break;
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}
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if ((mode != dev->afe_mode) &&
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(dev->video_input == CX231XX_VMUX_TELEVISION))
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status = cx231xx_afe_adjust_ref_count(dev,
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CX231XX_VMUX_TELEVISION);
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dev->afe_mode = mode;
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return status;
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}
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int cx231xx_afe_update_power_control(struct cx231xx *dev,
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enum AV_MODE avmode)
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{
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u8 afe_power_status = 0;
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int status = 0;
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switch (dev->model) {
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case CX231XX_BOARD_CNXT_CARRAERA:
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case CX231XX_BOARD_CNXT_RDE_250:
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case CX231XX_BOARD_CNXT_SHELBY:
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case CX231XX_BOARD_CNXT_RDU_250:
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case CX231XX_BOARD_CNXT_RDE_253S:
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case CX231XX_BOARD_CNXT_RDU_253S:
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case CX231XX_BOARD_CNXT_VIDEO_GRABBER:
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case CX231XX_BOARD_HAUPPAUGE_EXETER:
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case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
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case CX231XX_BOARD_HAUPPAUGE_USBLIVE2:
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case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
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case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
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case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
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case CX231XX_BOARD_OTG102:
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if (avmode == POLARIS_AVMODE_ANALOGT_TV) {
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while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
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FLD_PWRDN_ENABLE_PLL)) {
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status = afe_write_byte(dev, SUP_BLK_PWRDN,
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FLD_PWRDN_TUNING_BIAS |
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FLD_PWRDN_ENABLE_PLL);
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status |= afe_read_byte(dev, SUP_BLK_PWRDN,
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&afe_power_status);
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if (status < 0)
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break;
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}
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status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
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0x00);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
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0x00);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
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0x00);
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} else if (avmode == POLARIS_AVMODE_DIGITAL) {
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status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
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0x70);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
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0x70);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
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0x70);
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status |= afe_read_byte(dev, SUP_BLK_PWRDN,
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&afe_power_status);
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afe_power_status |= FLD_PWRDN_PD_BANDGAP |
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FLD_PWRDN_PD_BIAS |
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FLD_PWRDN_PD_TUNECK;
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status |= afe_write_byte(dev, SUP_BLK_PWRDN,
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afe_power_status);
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} else if (avmode == POLARIS_AVMODE_ENXTERNAL_AV) {
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while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
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FLD_PWRDN_ENABLE_PLL)) {
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status = afe_write_byte(dev, SUP_BLK_PWRDN,
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FLD_PWRDN_TUNING_BIAS |
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FLD_PWRDN_ENABLE_PLL);
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status |= afe_read_byte(dev, SUP_BLK_PWRDN,
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&afe_power_status);
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if (status < 0)
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break;
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}
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
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0x00);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
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0x00);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
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0x00);
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} else {
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dev_dbg(dev->dev, "Invalid AV mode input\n");
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status = -1;
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}
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break;
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default:
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if (avmode == POLARIS_AVMODE_ANALOGT_TV) {
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while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
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FLD_PWRDN_ENABLE_PLL)) {
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status = afe_write_byte(dev, SUP_BLK_PWRDN,
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FLD_PWRDN_TUNING_BIAS |
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FLD_PWRDN_ENABLE_PLL);
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status |= afe_read_byte(dev, SUP_BLK_PWRDN,
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&afe_power_status);
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if (status < 0)
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break;
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}
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
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0x40);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
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0x40);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
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0x00);
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} else if (avmode == POLARIS_AVMODE_DIGITAL) {
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status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
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0x70);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
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0x70);
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status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
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0x70);
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status |= afe_read_byte(dev, SUP_BLK_PWRDN,
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&afe_power_status);
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afe_power_status |= FLD_PWRDN_PD_BANDGAP |
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FLD_PWRDN_PD_BIAS |
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FLD_PWRDN_PD_TUNECK;
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status |= afe_write_byte(dev, SUP_BLK_PWRDN,
|
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afe_power_status);
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} else if (avmode == POLARIS_AVMODE_ENXTERNAL_AV) {
|
|
while (afe_power_status != (FLD_PWRDN_TUNING_BIAS |
|
|
FLD_PWRDN_ENABLE_PLL)) {
|
|
status = afe_write_byte(dev, SUP_BLK_PWRDN,
|
|
FLD_PWRDN_TUNING_BIAS |
|
|
FLD_PWRDN_ENABLE_PLL);
|
|
status |= afe_read_byte(dev, SUP_BLK_PWRDN,
|
|
&afe_power_status);
|
|
if (status < 0)
|
|
break;
|
|
}
|
|
|
|
status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH1,
|
|
0x00);
|
|
status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH2,
|
|
0x00);
|
|
status |= afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3,
|
|
0x40);
|
|
} else {
|
|
dev_dbg(dev->dev, "Invalid AV mode input\n");
|
|
status = -1;
|
|
}
|
|
} /* switch */
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_afe_adjust_ref_count(struct cx231xx *dev, u32 video_input)
|
|
{
|
|
u8 input_mode = 0;
|
|
u8 ntf_mode = 0;
|
|
int status = 0;
|
|
|
|
dev->video_input = video_input;
|
|
|
|
if (video_input == CX231XX_VMUX_TELEVISION) {
|
|
status = afe_read_byte(dev, ADC_INPUT_CH3, &input_mode);
|
|
status = afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH3,
|
|
&ntf_mode);
|
|
} else {
|
|
status = afe_read_byte(dev, ADC_INPUT_CH1, &input_mode);
|
|
status = afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH1,
|
|
&ntf_mode);
|
|
}
|
|
|
|
input_mode = (ntf_mode & 0x3) | ((input_mode & 0x6) << 1);
|
|
|
|
switch (input_mode) {
|
|
case SINGLE_ENDED:
|
|
dev->afe_ref_count = 0x23C;
|
|
break;
|
|
case LOW_IF:
|
|
dev->afe_ref_count = 0x24C;
|
|
break;
|
|
case EU_IF:
|
|
dev->afe_ref_count = 0x258;
|
|
break;
|
|
case US_IF:
|
|
dev->afe_ref_count = 0x260;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
status = cx231xx_afe_init_super_block(dev, dev->afe_ref_count);
|
|
|
|
return status;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* V I D E O / A U D I O D E C O D E R C O N T R O L functions *
|
|
******************************************************************************/
|
|
static int vid_blk_write_byte(struct cx231xx *dev, u16 saddr, u8 data)
|
|
{
|
|
return cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
|
|
saddr, 2, data, 1);
|
|
}
|
|
|
|
static int vid_blk_read_byte(struct cx231xx *dev, u16 saddr, u8 *data)
|
|
{
|
|
int status;
|
|
u32 temp = 0;
|
|
|
|
status = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
|
|
saddr, 2, &temp, 1);
|
|
*data = (u8) temp;
|
|
return status;
|
|
}
|
|
|
|
static int vid_blk_write_word(struct cx231xx *dev, u16 saddr, u32 data)
|
|
{
|
|
return cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
|
|
saddr, 2, data, 4);
|
|
}
|
|
|
|
static int vid_blk_read_word(struct cx231xx *dev, u16 saddr, u32 *data)
|
|
{
|
|
return cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
|
|
saddr, 2, data, 4);
|
|
}
|
|
int cx231xx_check_fw(struct cx231xx *dev)
|
|
{
|
|
u8 temp = 0;
|
|
int status = 0;
|
|
status = vid_blk_read_byte(dev, DL_CTL_ADDRESS_LOW, &temp);
|
|
if (status < 0)
|
|
return status;
|
|
else
|
|
return temp;
|
|
|
|
}
|
|
|
|
int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input)
|
|
{
|
|
int status = 0;
|
|
|
|
switch (INPUT(input)->type) {
|
|
case CX231XX_VMUX_COMPOSITE1:
|
|
case CX231XX_VMUX_SVIDEO:
|
|
if ((dev->current_pcb_config.type == USB_BUS_POWER) &&
|
|
(dev->power_mode != POLARIS_AVMODE_ENXTERNAL_AV)) {
|
|
/* External AV */
|
|
status = cx231xx_set_power_mode(dev,
|
|
POLARIS_AVMODE_ENXTERNAL_AV);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: Failed to set Power - errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
}
|
|
status = cx231xx_set_decoder_video_input(dev,
|
|
INPUT(input)->type,
|
|
INPUT(input)->vmux);
|
|
break;
|
|
case CX231XX_VMUX_TELEVISION:
|
|
case CX231XX_VMUX_CABLE:
|
|
if ((dev->current_pcb_config.type == USB_BUS_POWER) &&
|
|
(dev->power_mode != POLARIS_AVMODE_ANALOGT_TV)) {
|
|
/* Tuner */
|
|
status = cx231xx_set_power_mode(dev,
|
|
POLARIS_AVMODE_ANALOGT_TV);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: Failed to set Power - errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
}
|
|
if (dev->tuner_type == TUNER_NXP_TDA18271)
|
|
status = cx231xx_set_decoder_video_input(dev,
|
|
CX231XX_VMUX_TELEVISION,
|
|
INPUT(input)->vmux);
|
|
else
|
|
status = cx231xx_set_decoder_video_input(dev,
|
|
CX231XX_VMUX_COMPOSITE1,
|
|
INPUT(input)->vmux);
|
|
|
|
break;
|
|
default:
|
|
dev_err(dev->dev, "%s: Unknown Input %d !\n",
|
|
__func__, INPUT(input)->type);
|
|
break;
|
|
}
|
|
|
|
/* save the selection */
|
|
dev->video_input = input;
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_set_decoder_video_input(struct cx231xx *dev,
|
|
u8 pin_type, u8 input)
|
|
{
|
|
int status = 0;
|
|
u32 value = 0;
|
|
|
|
if (pin_type != dev->video_input) {
|
|
status = cx231xx_afe_adjust_ref_count(dev, pin_type);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: adjust_ref_count :Failed to set AFE input mux - errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
}
|
|
|
|
/* call afe block to set video inputs */
|
|
status = cx231xx_afe_set_input_mux(dev, input);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: set_input_mux :Failed to set AFE input mux - errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
|
|
switch (pin_type) {
|
|
case CX231XX_VMUX_COMPOSITE1:
|
|
status = vid_blk_read_word(dev, AFE_CTRL, &value);
|
|
value |= (0 << 13) | (1 << 4);
|
|
value &= ~(1 << 5);
|
|
|
|
/* set [24:23] [22:15] to 0 */
|
|
value &= (~(0x1ff8000));
|
|
/* set FUNC_MODE[24:23] = 2 IF_MOD[22:15] = 0 */
|
|
value |= 0x1000000;
|
|
status = vid_blk_write_word(dev, AFE_CTRL, value);
|
|
|
|
status = vid_blk_read_word(dev, OUT_CTRL1, &value);
|
|
value |= (1 << 7);
|
|
status = vid_blk_write_word(dev, OUT_CTRL1, value);
|
|
|
|
/* Set output mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
OUT_CTRL1,
|
|
FLD_OUT_MODE,
|
|
dev->board.output_mode);
|
|
|
|
/* Tell DIF object to go to baseband mode */
|
|
status = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
|
|
/* Read the DFE_CTRL1 register */
|
|
status = vid_blk_read_word(dev, DFE_CTRL1, &value);
|
|
|
|
/* enable the VBI_GATE_EN */
|
|
value |= FLD_VBI_GATE_EN;
|
|
|
|
/* Enable the auto-VGA enable */
|
|
value |= FLD_VGA_AUTO_EN;
|
|
|
|
/* Write it back */
|
|
status = vid_blk_write_word(dev, DFE_CTRL1, value);
|
|
|
|
/* Disable auto config of registers */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL, FLD_ACFG_DIS,
|
|
cx231xx_set_field(FLD_ACFG_DIS, 1));
|
|
|
|
/* Set CVBS input mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL, FLD_INPUT_MODE,
|
|
cx231xx_set_field(FLD_INPUT_MODE, INPUT_MODE_CVBS_0));
|
|
break;
|
|
case CX231XX_VMUX_SVIDEO:
|
|
/* Disable the use of DIF */
|
|
|
|
status = vid_blk_read_word(dev, AFE_CTRL, &value);
|
|
|
|
/* set [24:23] [22:15] to 0 */
|
|
value &= (~(0x1ff8000));
|
|
/* set FUNC_MODE[24:23] = 2
|
|
IF_MOD[22:15] = 0 DCR_BYP_CH2[4:4] = 1; */
|
|
value |= 0x1000010;
|
|
status = vid_blk_write_word(dev, AFE_CTRL, value);
|
|
|
|
/* Tell DIF object to go to baseband mode */
|
|
status = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
|
|
/* Read the DFE_CTRL1 register */
|
|
status = vid_blk_read_word(dev, DFE_CTRL1, &value);
|
|
|
|
/* enable the VBI_GATE_EN */
|
|
value |= FLD_VBI_GATE_EN;
|
|
|
|
/* Enable the auto-VGA enable */
|
|
value |= FLD_VGA_AUTO_EN;
|
|
|
|
/* Write it back */
|
|
status = vid_blk_write_word(dev, DFE_CTRL1, value);
|
|
|
|
/* Disable auto config of registers */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL, FLD_ACFG_DIS,
|
|
cx231xx_set_field(FLD_ACFG_DIS, 1));
|
|
|
|
/* Set YC input mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL,
|
|
FLD_INPUT_MODE,
|
|
cx231xx_set_field(FLD_INPUT_MODE, INPUT_MODE_YC_1));
|
|
|
|
/* Chroma to ADC2 */
|
|
status = vid_blk_read_word(dev, AFE_CTRL, &value);
|
|
value |= FLD_CHROMA_IN_SEL; /* set the chroma in select */
|
|
|
|
/* Clear VGA_SEL_CH2 and VGA_SEL_CH3 (bits 7 and 8)
|
|
This sets them to use video
|
|
rather than audio. Only one of the two will be in use. */
|
|
value &= ~(FLD_VGA_SEL_CH2 | FLD_VGA_SEL_CH3);
|
|
|
|
status = vid_blk_write_word(dev, AFE_CTRL, value);
|
|
|
|
status = cx231xx_afe_set_mode(dev, AFE_MODE_BASEBAND);
|
|
break;
|
|
case CX231XX_VMUX_TELEVISION:
|
|
case CX231XX_VMUX_CABLE:
|
|
default:
|
|
/* TODO: Test if this is also needed for xc2028/xc3028 */
|
|
if (dev->board.tuner_type == TUNER_XC5000) {
|
|
/* Disable the use of DIF */
|
|
|
|
status = vid_blk_read_word(dev, AFE_CTRL, &value);
|
|
value |= (0 << 13) | (1 << 4);
|
|
value &= ~(1 << 5);
|
|
|
|
/* set [24:23] [22:15] to 0 */
|
|
value &= (~(0x1FF8000));
|
|
/* set FUNC_MODE[24:23] = 2 IF_MOD[22:15] = 0 */
|
|
value |= 0x1000000;
|
|
status = vid_blk_write_word(dev, AFE_CTRL, value);
|
|
|
|
status = vid_blk_read_word(dev, OUT_CTRL1, &value);
|
|
value |= (1 << 7);
|
|
status = vid_blk_write_word(dev, OUT_CTRL1, value);
|
|
|
|
/* Set output mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
OUT_CTRL1, FLD_OUT_MODE,
|
|
dev->board.output_mode);
|
|
|
|
/* Tell DIF object to go to baseband mode */
|
|
status = cx231xx_dif_set_standard(dev,
|
|
DIF_USE_BASEBAND);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
|
|
/* Read the DFE_CTRL1 register */
|
|
status = vid_blk_read_word(dev, DFE_CTRL1, &value);
|
|
|
|
/* enable the VBI_GATE_EN */
|
|
value |= FLD_VBI_GATE_EN;
|
|
|
|
/* Enable the auto-VGA enable */
|
|
value |= FLD_VGA_AUTO_EN;
|
|
|
|
/* Write it back */
|
|
status = vid_blk_write_word(dev, DFE_CTRL1, value);
|
|
|
|
/* Disable auto config of registers */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL, FLD_ACFG_DIS,
|
|
cx231xx_set_field(FLD_ACFG_DIS, 1));
|
|
|
|
/* Set CVBS input mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL, FLD_INPUT_MODE,
|
|
cx231xx_set_field(FLD_INPUT_MODE,
|
|
INPUT_MODE_CVBS_0));
|
|
} else {
|
|
/* Enable the DIF for the tuner */
|
|
|
|
/* Reinitialize the DIF */
|
|
status = cx231xx_dif_set_standard(dev, dev->norm);
|
|
if (status < 0) {
|
|
dev_err(dev->dev,
|
|
"%s: cx231xx_dif set to By pass mode- errCode [%d]!\n",
|
|
__func__, status);
|
|
return status;
|
|
}
|
|
|
|
/* Make sure bypass is cleared */
|
|
status = vid_blk_read_word(dev, DIF_MISC_CTRL, &value);
|
|
|
|
/* Clear the bypass bit */
|
|
value &= ~FLD_DIF_DIF_BYPASS;
|
|
|
|
/* Enable the use of the DIF block */
|
|
status = vid_blk_write_word(dev, DIF_MISC_CTRL, value);
|
|
|
|
/* Read the DFE_CTRL1 register */
|
|
status = vid_blk_read_word(dev, DFE_CTRL1, &value);
|
|
|
|
/* Disable the VBI_GATE_EN */
|
|
value &= ~FLD_VBI_GATE_EN;
|
|
|
|
/* Enable the auto-VGA enable, AGC, and
|
|
set the skip count to 2 */
|
|
value |= FLD_VGA_AUTO_EN | FLD_AGC_AUTO_EN | 0x00200000;
|
|
|
|
/* Write it back */
|
|
status = vid_blk_write_word(dev, DFE_CTRL1, value);
|
|
|
|
/* Wait until AGC locks up */
|
|
msleep(1);
|
|
|
|
/* Disable the auto-VGA enable AGC */
|
|
value &= ~(FLD_VGA_AUTO_EN);
|
|
|
|
/* Write it back */
|
|
status = vid_blk_write_word(dev, DFE_CTRL1, value);
|
|
|
|
/* Enable Polaris B0 AGC output */
|
|
status = vid_blk_read_word(dev, PIN_CTRL, &value);
|
|
value |= (FLD_OEF_AGC_RF) |
|
|
(FLD_OEF_AGC_IFVGA) |
|
|
(FLD_OEF_AGC_IF);
|
|
status = vid_blk_write_word(dev, PIN_CTRL, value);
|
|
|
|
/* Set output mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
OUT_CTRL1, FLD_OUT_MODE,
|
|
dev->board.output_mode);
|
|
|
|
/* Disable auto config of registers */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL, FLD_ACFG_DIS,
|
|
cx231xx_set_field(FLD_ACFG_DIS, 1));
|
|
|
|
/* Set CVBS input mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
MODE_CTRL, FLD_INPUT_MODE,
|
|
cx231xx_set_field(FLD_INPUT_MODE,
|
|
INPUT_MODE_CVBS_0));
|
|
|
|
/* Set some bits in AFE_CTRL so that channel 2 or 3
|
|
* is ready to receive audio */
|
|
/* Clear clamp for channels 2 and 3 (bit 16-17) */
|
|
/* Clear droop comp (bit 19-20) */
|
|
/* Set VGA_SEL (for audio control) (bit 7-8) */
|
|
status = vid_blk_read_word(dev, AFE_CTRL, &value);
|
|
|
|
/*Set Func mode:01-DIF 10-baseband 11-YUV*/
|
|
value &= (~(FLD_FUNC_MODE));
|
|
value |= 0x800000;
|
|
|
|
value |= FLD_VGA_SEL_CH3 | FLD_VGA_SEL_CH2;
|
|
|
|
status = vid_blk_write_word(dev, AFE_CTRL, value);
|
|
|
|
if (dev->tuner_type == TUNER_NXP_TDA18271) {
|
|
status = vid_blk_read_word(dev, PIN_CTRL,
|
|
&value);
|
|
status = vid_blk_write_word(dev, PIN_CTRL,
|
|
(value & 0xFFFFFFEF));
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* Set raw VBI mode */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
OUT_CTRL1, FLD_VBIHACTRAW_EN,
|
|
cx231xx_set_field(FLD_VBIHACTRAW_EN, 1));
|
|
|
|
status = vid_blk_read_word(dev, OUT_CTRL1, &value);
|
|
if (value & 0x02) {
|
|
value |= (1 << 19);
|
|
status = vid_blk_write_word(dev, OUT_CTRL1, value);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
void cx231xx_enable656(struct cx231xx *dev)
|
|
{
|
|
u8 temp = 0;
|
|
/*enable TS1 data[0:7] as output to export 656*/
|
|
|
|
vid_blk_write_byte(dev, TS1_PIN_CTL0, 0xFF);
|
|
|
|
/*enable TS1 clock as output to export 656*/
|
|
|
|
vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
|
|
temp = temp|0x04;
|
|
|
|
vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cx231xx_enable656);
|
|
|
|
void cx231xx_disable656(struct cx231xx *dev)
|
|
{
|
|
u8 temp = 0;
|
|
|
|
vid_blk_write_byte(dev, TS1_PIN_CTL0, 0x00);
|
|
|
|
vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
|
|
temp = temp&0xFB;
|
|
|
|
vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cx231xx_disable656);
|
|
|
|
/*
|
|
* Handle any video-mode specific overrides that are different
|
|
* on a per video standards basis after touching the MODE_CTRL
|
|
* register which resets many values for autodetect
|
|
*/
|
|
int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
|
|
dev_dbg(dev->dev, "%s: 0x%x\n",
|
|
__func__, (unsigned int)dev->norm);
|
|
|
|
/* Change the DFE_CTRL3 bp_percent to fix flagging */
|
|
status = vid_blk_write_word(dev, DFE_CTRL3, 0xCD3F0280);
|
|
|
|
if (dev->norm & (V4L2_STD_NTSC | V4L2_STD_PAL_M)) {
|
|
dev_dbg(dev->dev, "%s: NTSC\n", __func__);
|
|
|
|
/* Move the close caption lines out of active video,
|
|
adjust the active video start point */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_VBLANK_CNT, 0x18);
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_VACTIVE_CNT,
|
|
0x1E7000);
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_V656BLANK_CNT,
|
|
0x1C000000);
|
|
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
HORIZ_TIM_CTRL,
|
|
FLD_HBLANK_CNT,
|
|
cx231xx_set_field
|
|
(FLD_HBLANK_CNT, 0x79));
|
|
|
|
} else if (dev->norm & V4L2_STD_SECAM) {
|
|
dev_dbg(dev->dev, "%s: SECAM\n", __func__);
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_VBLANK_CNT, 0x20);
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_VACTIVE_CNT,
|
|
cx231xx_set_field
|
|
(FLD_VACTIVE_CNT,
|
|
0x244));
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_V656BLANK_CNT,
|
|
cx231xx_set_field
|
|
(FLD_V656BLANK_CNT,
|
|
0x24));
|
|
/* Adjust the active video horizontal start point */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
HORIZ_TIM_CTRL,
|
|
FLD_HBLANK_CNT,
|
|
cx231xx_set_field
|
|
(FLD_HBLANK_CNT, 0x85));
|
|
} else {
|
|
dev_dbg(dev->dev, "%s: PAL\n", __func__);
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_VBLANK_CNT, 0x20);
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_VACTIVE_CNT,
|
|
cx231xx_set_field
|
|
(FLD_VACTIVE_CNT,
|
|
0x244));
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
VERT_TIM_CTRL,
|
|
FLD_V656BLANK_CNT,
|
|
cx231xx_set_field
|
|
(FLD_V656BLANK_CNT,
|
|
0x24));
|
|
/* Adjust the active video horizontal start point */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
HORIZ_TIM_CTRL,
|
|
FLD_HBLANK_CNT,
|
|
cx231xx_set_field
|
|
(FLD_HBLANK_CNT, 0x85));
|
|
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_unmute_audio(struct cx231xx *dev)
|
|
{
|
|
return vid_blk_write_byte(dev, PATH1_VOL_CTL, 0x24);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cx231xx_unmute_audio);
|
|
|
|
static int stopAudioFirmware(struct cx231xx *dev)
|
|
{
|
|
return vid_blk_write_byte(dev, DL_CTL_CONTROL, 0x03);
|
|
}
|
|
|
|
static int restartAudioFirmware(struct cx231xx *dev)
|
|
{
|
|
return vid_blk_write_byte(dev, DL_CTL_CONTROL, 0x13);
|
|
}
|
|
|
|
int cx231xx_set_audio_input(struct cx231xx *dev, u8 input)
|
|
{
|
|
int status = 0;
|
|
enum AUDIO_INPUT ainput = AUDIO_INPUT_LINE;
|
|
|
|
switch (INPUT(input)->amux) {
|
|
case CX231XX_AMUX_VIDEO:
|
|
ainput = AUDIO_INPUT_TUNER_TV;
|
|
break;
|
|
case CX231XX_AMUX_LINE_IN:
|
|
status = cx231xx_i2s_blk_set_audio_input(dev, input);
|
|
ainput = AUDIO_INPUT_LINE;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
status = cx231xx_set_audio_decoder_input(dev, ainput);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_set_audio_decoder_input(struct cx231xx *dev,
|
|
enum AUDIO_INPUT audio_input)
|
|
{
|
|
u32 dwval;
|
|
int status;
|
|
u8 gen_ctrl;
|
|
u32 value = 0;
|
|
|
|
/* Put it in soft reset */
|
|
status = vid_blk_read_byte(dev, GENERAL_CTL, &gen_ctrl);
|
|
gen_ctrl |= 1;
|
|
status = vid_blk_write_byte(dev, GENERAL_CTL, gen_ctrl);
|
|
|
|
switch (audio_input) {
|
|
case AUDIO_INPUT_LINE:
|
|
/* setup AUD_IO control from Merlin paralle output */
|
|
value = cx231xx_set_field(FLD_AUD_CHAN1_SRC,
|
|
AUD_CHAN_SRC_PARALLEL);
|
|
status = vid_blk_write_word(dev, AUD_IO_CTRL, value);
|
|
|
|
/* setup input to Merlin, SRC2 connect to AC97
|
|
bypass upsample-by-2, slave mode, sony mode, left justify
|
|
adr 091c, dat 01000000 */
|
|
status = vid_blk_read_word(dev, AC97_CTL, &dwval);
|
|
|
|
status = vid_blk_write_word(dev, AC97_CTL,
|
|
(dwval | FLD_AC97_UP2X_BYPASS));
|
|
|
|
/* select the parallel1 and SRC3 */
|
|
status = vid_blk_write_word(dev, BAND_OUT_SEL,
|
|
cx231xx_set_field(FLD_SRC3_IN_SEL, 0x0) |
|
|
cx231xx_set_field(FLD_SRC3_CLK_SEL, 0x0) |
|
|
cx231xx_set_field(FLD_PARALLEL1_SRC_SEL, 0x0));
|
|
|
|
/* unmute all, AC97 in, independence mode
|
|
adr 08d0, data 0x00063073 */
|
|
status = vid_blk_write_word(dev, DL_CTL, 0x3000001);
|
|
status = vid_blk_write_word(dev, PATH1_CTL1, 0x00063073);
|
|
|
|
/* set AVC maximum threshold, adr 08d4, dat ffff0024 */
|
|
status = vid_blk_read_word(dev, PATH1_VOL_CTL, &dwval);
|
|
status = vid_blk_write_word(dev, PATH1_VOL_CTL,
|
|
(dwval | FLD_PATH1_AVC_THRESHOLD));
|
|
|
|
/* set SC maximum threshold, adr 08ec, dat ffffb3a3 */
|
|
status = vid_blk_read_word(dev, PATH1_SC_CTL, &dwval);
|
|
status = vid_blk_write_word(dev, PATH1_SC_CTL,
|
|
(dwval | FLD_PATH1_SC_THRESHOLD));
|
|
break;
|
|
|
|
case AUDIO_INPUT_TUNER_TV:
|
|
default:
|
|
status = stopAudioFirmware(dev);
|
|
/* Setup SRC sources and clocks */
|
|
status = vid_blk_write_word(dev, BAND_OUT_SEL,
|
|
cx231xx_set_field(FLD_SRC6_IN_SEL, 0x00) |
|
|
cx231xx_set_field(FLD_SRC6_CLK_SEL, 0x01) |
|
|
cx231xx_set_field(FLD_SRC5_IN_SEL, 0x00) |
|
|
cx231xx_set_field(FLD_SRC5_CLK_SEL, 0x02) |
|
|
cx231xx_set_field(FLD_SRC4_IN_SEL, 0x02) |
|
|
cx231xx_set_field(FLD_SRC4_CLK_SEL, 0x03) |
|
|
cx231xx_set_field(FLD_SRC3_IN_SEL, 0x00) |
|
|
cx231xx_set_field(FLD_SRC3_CLK_SEL, 0x00) |
|
|
cx231xx_set_field(FLD_BASEBAND_BYPASS_CTL, 0x00) |
|
|
cx231xx_set_field(FLD_AC97_SRC_SEL, 0x03) |
|
|
cx231xx_set_field(FLD_I2S_SRC_SEL, 0x00) |
|
|
cx231xx_set_field(FLD_PARALLEL2_SRC_SEL, 0x02) |
|
|
cx231xx_set_field(FLD_PARALLEL1_SRC_SEL, 0x01));
|
|
|
|
/* Setup the AUD_IO control */
|
|
status = vid_blk_write_word(dev, AUD_IO_CTRL,
|
|
cx231xx_set_field(FLD_I2S_PORT_DIR, 0x00) |
|
|
cx231xx_set_field(FLD_I2S_OUT_SRC, 0x00) |
|
|
cx231xx_set_field(FLD_AUD_CHAN3_SRC, 0x00) |
|
|
cx231xx_set_field(FLD_AUD_CHAN2_SRC, 0x00) |
|
|
cx231xx_set_field(FLD_AUD_CHAN1_SRC, 0x03));
|
|
|
|
status = vid_blk_write_word(dev, PATH1_CTL1, 0x1F063870);
|
|
|
|
/* setAudioStandard(_audio_standard); */
|
|
status = vid_blk_write_word(dev, PATH1_CTL1, 0x00063870);
|
|
|
|
status = restartAudioFirmware(dev);
|
|
|
|
switch (dev->board.tuner_type) {
|
|
case TUNER_XC5000:
|
|
/* SIF passthrough at 28.6363 MHz sample rate */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
CHIP_CTRL,
|
|
FLD_SIF_EN,
|
|
cx231xx_set_field(FLD_SIF_EN, 1));
|
|
break;
|
|
case TUNER_NXP_TDA18271:
|
|
/* Normal mode: SIF passthrough at 14.32 MHz */
|
|
status = cx231xx_read_modify_write_i2c_dword(dev,
|
|
VID_BLK_I2C_ADDRESS,
|
|
CHIP_CTRL,
|
|
FLD_SIF_EN,
|
|
cx231xx_set_field(FLD_SIF_EN, 0));
|
|
break;
|
|
default:
|
|
/* This is just a casual suggestion to people adding
|
|
new boards in case they use a tuner type we don't
|
|
currently know about */
|
|
dev_info(dev->dev,
|
|
"Unknown tuner type configuring SIF");
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case AUDIO_INPUT_TUNER_FM:
|
|
/* use SIF for FM radio
|
|
setupFM();
|
|
setAudioStandard(_audio_standard);
|
|
*/
|
|
break;
|
|
|
|
case AUDIO_INPUT_MUTE:
|
|
status = vid_blk_write_word(dev, PATH1_CTL1, 0x1F011012);
|
|
break;
|
|
}
|
|
|
|
/* Take it out of soft reset */
|
|
status = vid_blk_read_byte(dev, GENERAL_CTL, &gen_ctrl);
|
|
gen_ctrl &= ~1;
|
|
status = vid_blk_write_byte(dev, GENERAL_CTL, gen_ctrl);
|
|
|
|
return status;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* C H I P Specific C O N T R O L functions *
|
|
******************************************************************************/
|
|
int cx231xx_init_ctrl_pin_status(struct cx231xx *dev)
|
|
{
|
|
u32 value;
|
|
int status = 0;
|
|
|
|
status = vid_blk_read_word(dev, PIN_CTRL, &value);
|
|
value |= (~dev->board.ctl_pin_status_mask);
|
|
status = vid_blk_write_word(dev, PIN_CTRL, value);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
|
|
u8 analog_or_digital)
|
|
{
|
|
int status = 0;
|
|
|
|
/* first set the direction to output */
|
|
status = cx231xx_set_gpio_direction(dev,
|
|
dev->board.
|
|
agc_analog_digital_select_gpio, 1);
|
|
|
|
/* 0 - demod ; 1 - Analog mode */
|
|
status = cx231xx_set_gpio_value(dev,
|
|
dev->board.agc_analog_digital_select_gpio,
|
|
analog_or_digital);
|
|
|
|
if (status < 0)
|
|
return status;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3)
|
|
{
|
|
u8 value[4] = { 0, 0, 0, 0 };
|
|
int status = 0;
|
|
bool current_is_port_3;
|
|
|
|
/*
|
|
* Should this code check dev->port_3_switch_enabled first
|
|
* to skip unnecessary reading of the register?
|
|
* If yes, the flag dev->port_3_switch_enabled must be initialized
|
|
* correctly.
|
|
*/
|
|
|
|
status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
if (status < 0)
|
|
return status;
|
|
|
|
current_is_port_3 = value[0] & I2C_DEMOD_EN ? true : false;
|
|
|
|
/* Just return, if already using the right port */
|
|
if (current_is_port_3 == is_port_3)
|
|
return 0;
|
|
|
|
if (is_port_3)
|
|
value[0] |= I2C_DEMOD_EN;
|
|
else
|
|
value[0] &= ~I2C_DEMOD_EN;
|
|
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
|
|
/* remember status of the switch for usage in is_tuner */
|
|
if (status >= 0)
|
|
dev->port_3_switch_enabled = is_port_3;
|
|
|
|
return status;
|
|
|
|
}
|
|
EXPORT_SYMBOL_GPL(cx231xx_enable_i2c_port_3);
|
|
|
|
void update_HH_register_after_set_DIF(struct cx231xx *dev)
|
|
{
|
|
/*
|
|
u8 status = 0;
|
|
u32 value = 0;
|
|
|
|
vid_blk_write_word(dev, PIN_CTRL, 0xA0FFF82F);
|
|
vid_blk_write_word(dev, DIF_MISC_CTRL, 0x0A203F11);
|
|
vid_blk_write_word(dev, DIF_SRC_PHASE_INC, 0x1BEFBF06);
|
|
|
|
status = vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
|
|
vid_blk_write_word(dev, AFE_CTRL_C2HH_SRC_CTRL, 0x4485D390);
|
|
status = vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
|
|
*/
|
|
}
|
|
|
|
void cx231xx_dump_HH_reg(struct cx231xx *dev)
|
|
{
|
|
u32 value = 0;
|
|
u16 i = 0;
|
|
|
|
value = 0x45005390;
|
|
vid_blk_write_word(dev, 0x104, value);
|
|
|
|
for (i = 0x100; i < 0x140; i++) {
|
|
vid_blk_read_word(dev, i, &value);
|
|
dev_dbg(dev->dev, "reg0x%x=0x%x\n", i, value);
|
|
i = i+3;
|
|
}
|
|
|
|
for (i = 0x300; i < 0x400; i++) {
|
|
vid_blk_read_word(dev, i, &value);
|
|
dev_dbg(dev->dev, "reg0x%x=0x%x\n", i, value);
|
|
i = i+3;
|
|
}
|
|
|
|
for (i = 0x400; i < 0x440; i++) {
|
|
vid_blk_read_word(dev, i, &value);
|
|
dev_dbg(dev->dev, "reg0x%x=0x%x\n", i, value);
|
|
i = i+3;
|
|
}
|
|
|
|
vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
|
|
dev_dbg(dev->dev, "AFE_CTRL_C2HH_SRC_CTRL=0x%x\n", value);
|
|
vid_blk_write_word(dev, AFE_CTRL_C2HH_SRC_CTRL, 0x4485D390);
|
|
vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
|
|
dev_dbg(dev->dev, "AFE_CTRL_C2HH_SRC_CTRL=0x%x\n", value);
|
|
}
|
|
|
|
#if 0
|
|
static void cx231xx_dump_SC_reg(struct cx231xx *dev)
|
|
{
|
|
u8 value[4] = { 0, 0, 0, 0 };
|
|
dev_dbg(dev->dev, "%s!\n", __func__);
|
|
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, BOARD_CFG_STAT,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", BOARD_CFG_STAT, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS_MODE_REG,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS_MODE_REG, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_CFG_REG,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_CFG_REG, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_LENGTH_REG,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_LENGTH_REG, value[0],
|
|
value[1], value[2], value[3]);
|
|
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_CFG_REG,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_CFG_REG, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_LENGTH_REG,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_LENGTH_REG, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", EP_MODE_SET, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN1,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN1, value[0],
|
|
value[1], value[2], value[3]);
|
|
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN2,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN2, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN3,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN3, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK0,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK0, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK1,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK1, value[0],
|
|
value[1], value[2], value[3]);
|
|
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK2,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK2, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_GAIN,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_GAIN, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_CAR_REG,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_CAR_REG, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG1,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG1, value[0],
|
|
value[1], value[2], value[3]);
|
|
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG2,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG2, value[0],
|
|
value[1], value[2], value[3]);
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
|
|
value, 4);
|
|
dev_dbg(dev->dev,
|
|
"reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0],
|
|
value[1], value[2], value[3]);
|
|
}
|
|
#endif
|
|
|
|
void cx231xx_Setup_AFE_for_LowIF(struct cx231xx *dev)
|
|
|
|
{
|
|
u8 value = 0;
|
|
|
|
afe_read_byte(dev, ADC_STATUS2_CH3, &value);
|
|
value = (value & 0xFE)|0x01;
|
|
afe_write_byte(dev, ADC_STATUS2_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_STATUS2_CH3, &value);
|
|
value = (value & 0xFE)|0x00;
|
|
afe_write_byte(dev, ADC_STATUS2_CH3, value);
|
|
|
|
|
|
/*
|
|
config colibri to lo-if mode
|
|
|
|
FIXME: ntf_mode = 2'b00 by default. But set 0x1 would reduce
|
|
the diff IF input by half,
|
|
|
|
for low-if agc defect
|
|
*/
|
|
|
|
afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH3, &value);
|
|
value = (value & 0xFC)|0x00;
|
|
afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_INPUT_CH3, &value);
|
|
value = (value & 0xF9)|0x02;
|
|
afe_write_byte(dev, ADC_INPUT_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_FB_FRCRST_CH3, &value);
|
|
value = (value & 0xFB)|0x04;
|
|
afe_write_byte(dev, ADC_FB_FRCRST_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_DCSERVO_DEM_CH3, &value);
|
|
value = (value & 0xFC)|0x03;
|
|
afe_write_byte(dev, ADC_DCSERVO_DEM_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_CTRL_DAC1_CH3, &value);
|
|
value = (value & 0xFB)|0x04;
|
|
afe_write_byte(dev, ADC_CTRL_DAC1_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
|
|
value = (value & 0xF8)|0x06;
|
|
afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
|
|
value = (value & 0x8F)|0x40;
|
|
afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
|
|
|
|
afe_read_byte(dev, ADC_PWRDN_CLAMP_CH3, &value);
|
|
value = (value & 0xDF)|0x20;
|
|
afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3, value);
|
|
}
|
|
|
|
void cx231xx_set_Colibri_For_LowIF(struct cx231xx *dev, u32 if_freq,
|
|
u8 spectral_invert, u32 mode)
|
|
{
|
|
u32 colibri_carrier_offset = 0;
|
|
u32 func_mode = 0x01; /* Device has a DIF if this function is called */
|
|
u32 standard = 0;
|
|
u8 value[4] = { 0, 0, 0, 0 };
|
|
|
|
dev_dbg(dev->dev, "Enter cx231xx_set_Colibri_For_LowIF()\n");
|
|
value[0] = (u8) 0x6F;
|
|
value[1] = (u8) 0x6F;
|
|
value[2] = (u8) 0x6F;
|
|
value[3] = (u8) 0x6F;
|
|
cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
|
|
/*Set colibri for low IF*/
|
|
cx231xx_afe_set_mode(dev, AFE_MODE_LOW_IF);
|
|
|
|
/* Set C2HH for low IF operation.*/
|
|
standard = dev->norm;
|
|
cx231xx_dif_configure_C2HH_for_low_IF(dev, dev->active_mode,
|
|
func_mode, standard);
|
|
|
|
/* Get colibri offsets.*/
|
|
colibri_carrier_offset = cx231xx_Get_Colibri_CarrierOffset(mode,
|
|
standard);
|
|
|
|
dev_dbg(dev->dev, "colibri_carrier_offset=%d, standard=0x%x\n",
|
|
colibri_carrier_offset, standard);
|
|
|
|
/* Set the band Pass filter for DIF*/
|
|
cx231xx_set_DIF_bandpass(dev, (if_freq+colibri_carrier_offset),
|
|
spectral_invert, mode);
|
|
}
|
|
|
|
u32 cx231xx_Get_Colibri_CarrierOffset(u32 mode, u32 standerd)
|
|
{
|
|
u32 colibri_carrier_offset = 0;
|
|
|
|
if (mode == TUNER_MODE_FM_RADIO) {
|
|
colibri_carrier_offset = 1100000;
|
|
} else if (standerd & (V4L2_STD_MN | V4L2_STD_NTSC_M_JP)) {
|
|
colibri_carrier_offset = 4832000; /*4.83MHz */
|
|
} else if (standerd & (V4L2_STD_PAL_B | V4L2_STD_PAL_G)) {
|
|
colibri_carrier_offset = 2700000; /*2.70MHz */
|
|
} else if (standerd & (V4L2_STD_PAL_D | V4L2_STD_PAL_I
|
|
| V4L2_STD_SECAM)) {
|
|
colibri_carrier_offset = 2100000; /*2.10MHz */
|
|
}
|
|
|
|
return colibri_carrier_offset;
|
|
}
|
|
|
|
void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
|
|
u8 spectral_invert, u32 mode)
|
|
{
|
|
unsigned long pll_freq_word;
|
|
u32 dif_misc_ctrl_value = 0;
|
|
u64 pll_freq_u64 = 0;
|
|
u32 i = 0;
|
|
|
|
dev_dbg(dev->dev, "if_freq=%d;spectral_invert=0x%x;mode=0x%x\n",
|
|
if_freq, spectral_invert, mode);
|
|
|
|
|
|
if (mode == TUNER_MODE_FM_RADIO) {
|
|
pll_freq_word = 0x905A1CAC;
|
|
vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
|
|
|
|
} else /*KSPROPERTY_TUNER_MODE_TV*/{
|
|
/* Calculate the PLL frequency word based on the adjusted if_freq*/
|
|
pll_freq_word = if_freq;
|
|
pll_freq_u64 = (u64)pll_freq_word << 28L;
|
|
do_div(pll_freq_u64, 50000000);
|
|
pll_freq_word = (u32)pll_freq_u64;
|
|
/*pll_freq_word = 0x3463497;*/
|
|
vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
|
|
|
|
if (spectral_invert) {
|
|
if_freq -= 400000;
|
|
/* Enable Spectral Invert*/
|
|
vid_blk_read_word(dev, DIF_MISC_CTRL,
|
|
&dif_misc_ctrl_value);
|
|
dif_misc_ctrl_value = dif_misc_ctrl_value | 0x00200000;
|
|
vid_blk_write_word(dev, DIF_MISC_CTRL,
|
|
dif_misc_ctrl_value);
|
|
} else {
|
|
if_freq += 400000;
|
|
/* Disable Spectral Invert*/
|
|
vid_blk_read_word(dev, DIF_MISC_CTRL,
|
|
&dif_misc_ctrl_value);
|
|
dif_misc_ctrl_value = dif_misc_ctrl_value & 0xFFDFFFFF;
|
|
vid_blk_write_word(dev, DIF_MISC_CTRL,
|
|
dif_misc_ctrl_value);
|
|
}
|
|
|
|
if_freq = (if_freq / 100000) * 100000;
|
|
|
|
if (if_freq < 3000000)
|
|
if_freq = 3000000;
|
|
|
|
if (if_freq > 16000000)
|
|
if_freq = 16000000;
|
|
}
|
|
|
|
dev_dbg(dev->dev, "Enter IF=%zu\n", ARRAY_SIZE(Dif_set_array));
|
|
for (i = 0; i < ARRAY_SIZE(Dif_set_array); i++) {
|
|
if (Dif_set_array[i].if_freq == if_freq) {
|
|
vid_blk_write_word(dev,
|
|
Dif_set_array[i].register_address, Dif_set_array[i].value);
|
|
}
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* D I F - B L O C K C O N T R O L functions *
|
|
******************************************************************************/
|
|
int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode,
|
|
u32 function_mode, u32 standard)
|
|
{
|
|
int status = 0;
|
|
|
|
|
|
if (mode == V4L2_TUNER_RADIO) {
|
|
/* C2HH */
|
|
/* lo if big signal */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
|
|
/* FUNC_MODE = DIF */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 23, 24, function_mode);
|
|
/* IF_MODE */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xFF);
|
|
/* no inv */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
|
|
} else if (standard != DIF_USE_BASEBAND) {
|
|
if (standard & V4L2_STD_MN) {
|
|
/* lo if big signal */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
|
|
/* FUNC_MODE = DIF */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 23, 24,
|
|
function_mode);
|
|
/* IF_MODE */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xb);
|
|
/* no inv */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
|
|
/* 0x124, AUD_CHAN1_SRC = 0x3 */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AUD_IO_CTRL, 0, 31, 0x00000003);
|
|
} else if ((standard == V4L2_STD_PAL_I) |
|
|
(standard & V4L2_STD_PAL_D) |
|
|
(standard & V4L2_STD_SECAM)) {
|
|
/* C2HH setup */
|
|
/* lo if big signal */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
|
|
/* FUNC_MODE = DIF */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 23, 24,
|
|
function_mode);
|
|
/* IF_MODE */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xF);
|
|
/* no inv */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
|
|
} else {
|
|
/* default PAL BG */
|
|
/* C2HH setup */
|
|
/* lo if big signal */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 30, 31, 0x1);
|
|
/* FUNC_MODE = DIF */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 23, 24,
|
|
function_mode);
|
|
/* IF_MODE */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 15, 22, 0xE);
|
|
/* no inv */
|
|
status = cx231xx_reg_mask_write(dev,
|
|
VID_BLK_I2C_ADDRESS, 32,
|
|
AFE_CTRL_C2HH_SRC_CTRL, 9, 9, 0x1);
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard)
|
|
{
|
|
int status = 0;
|
|
u32 dif_misc_ctrl_value = 0;
|
|
u32 func_mode = 0;
|
|
|
|
dev_dbg(dev->dev, "%s: setStandard to %x\n", __func__, standard);
|
|
|
|
status = vid_blk_read_word(dev, DIF_MISC_CTRL, &dif_misc_ctrl_value);
|
|
if (standard != DIF_USE_BASEBAND)
|
|
dev->norm = standard;
|
|
|
|
switch (dev->model) {
|
|
case CX231XX_BOARD_CNXT_CARRAERA:
|
|
case CX231XX_BOARD_CNXT_RDE_250:
|
|
case CX231XX_BOARD_CNXT_SHELBY:
|
|
case CX231XX_BOARD_CNXT_RDU_250:
|
|
case CX231XX_BOARD_CNXT_VIDEO_GRABBER:
|
|
case CX231XX_BOARD_HAUPPAUGE_EXETER:
|
|
case CX231XX_BOARD_OTG102:
|
|
func_mode = 0x03;
|
|
break;
|
|
case CX231XX_BOARD_CNXT_RDE_253S:
|
|
case CX231XX_BOARD_CNXT_RDU_253S:
|
|
case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
|
|
case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
|
|
func_mode = 0x01;
|
|
break;
|
|
default:
|
|
func_mode = 0x01;
|
|
}
|
|
|
|
status = cx231xx_dif_configure_C2HH_for_low_IF(dev, dev->active_mode,
|
|
func_mode, standard);
|
|
|
|
if (standard == DIF_USE_BASEBAND) { /* base band */
|
|
/* There is a different SRC_PHASE_INC value
|
|
for baseband vs. DIF */
|
|
status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC, 0xDF7DF83);
|
|
status = vid_blk_read_word(dev, DIF_MISC_CTRL,
|
|
&dif_misc_ctrl_value);
|
|
dif_misc_ctrl_value |= FLD_DIF_DIF_BYPASS;
|
|
status = vid_blk_write_word(dev, DIF_MISC_CTRL,
|
|
dif_misc_ctrl_value);
|
|
} else if (standard & V4L2_STD_PAL_D) {
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL3, 0, 31, 0x00008800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_REF, 0, 31, 0x444C1380);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_IF, 0, 31, 0xDA302600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_INT, 0, 31, 0xDA261700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_RF, 0, 31, 0xDA262600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_INT_CURRENT, 0, 31,
|
|
0x26001700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_RF_CURRENT, 0, 31,
|
|
0x00002660);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VIDEO_AGC_CTRL, 0, 31,
|
|
0x72500800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VID_AUD_OVERRIDE, 0, 31,
|
|
0x27000100);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AV_SEP_CTRL, 0, 31, 0x3F3934EA);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_COMP_FLT_CTRL, 0, 31,
|
|
0x00000000);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_PHASE_INC, 0, 31,
|
|
0x1befbf06);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_GAIN_CONTROL, 0, 31,
|
|
0x000035e8);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_RPT_VARIANCE, 0, 31, 0x00000000);
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value |= 0x3a023F11;
|
|
} else if (standard & V4L2_STD_PAL_I) {
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL3, 0, 31, 0x00008800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_REF, 0, 31, 0x444C1380);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_IF, 0, 31, 0xDA302600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_INT, 0, 31, 0xDA261700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_RF, 0, 31, 0xDA262600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_INT_CURRENT, 0, 31,
|
|
0x26001700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_RF_CURRENT, 0, 31,
|
|
0x00002660);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VIDEO_AGC_CTRL, 0, 31,
|
|
0x72500800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VID_AUD_OVERRIDE, 0, 31,
|
|
0x27000100);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AV_SEP_CTRL, 0, 31, 0x5F39A934);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_COMP_FLT_CTRL, 0, 31,
|
|
0x00000000);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_PHASE_INC, 0, 31,
|
|
0x1befbf06);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_GAIN_CONTROL, 0, 31,
|
|
0x000035e8);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_RPT_VARIANCE, 0, 31, 0x00000000);
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value |= 0x3a033F11;
|
|
} else if (standard & V4L2_STD_PAL_M) {
|
|
/* improved Low Frequency Phase Noise */
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL, 0xFF01FF0C);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL1, 0xbd038c85);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL2, 0x1db4640a);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL3, 0x00008800);
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_REF, 0x444C1380);
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_INT_CURRENT,
|
|
0x26001700);
|
|
status = vid_blk_write_word(dev, DIF_AGC_RF_CURRENT,
|
|
0x00002660);
|
|
status = vid_blk_write_word(dev, DIF_VIDEO_AGC_CTRL,
|
|
0x72500800);
|
|
status = vid_blk_write_word(dev, DIF_VID_AUD_OVERRIDE,
|
|
0x27000100);
|
|
status = vid_blk_write_word(dev, DIF_AV_SEP_CTRL, 0x012c405d);
|
|
status = vid_blk_write_word(dev, DIF_COMP_FLT_CTRL,
|
|
0x009f50c1);
|
|
status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC,
|
|
0x1befbf06);
|
|
status = vid_blk_write_word(dev, DIF_SRC_GAIN_CONTROL,
|
|
0x000035e8);
|
|
status = vid_blk_write_word(dev, DIF_SOFT_RST_CTRL_REVB,
|
|
0x00000000);
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value |= 0x3A0A3F10;
|
|
} else if (standard & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
|
|
/* improved Low Frequency Phase Noise */
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL, 0xFF01FF0C);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL1, 0xbd038c85);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL2, 0x1db4640a);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL3, 0x00008800);
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_REF, 0x444C1380);
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_INT_CURRENT,
|
|
0x26001700);
|
|
status = vid_blk_write_word(dev, DIF_AGC_RF_CURRENT,
|
|
0x00002660);
|
|
status = vid_blk_write_word(dev, DIF_VIDEO_AGC_CTRL,
|
|
0x72500800);
|
|
status = vid_blk_write_word(dev, DIF_VID_AUD_OVERRIDE,
|
|
0x27000100);
|
|
status = vid_blk_write_word(dev, DIF_AV_SEP_CTRL,
|
|
0x012c405d);
|
|
status = vid_blk_write_word(dev, DIF_COMP_FLT_CTRL,
|
|
0x009f50c1);
|
|
status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC,
|
|
0x1befbf06);
|
|
status = vid_blk_write_word(dev, DIF_SRC_GAIN_CONTROL,
|
|
0x000035e8);
|
|
status = vid_blk_write_word(dev, DIF_SOFT_RST_CTRL_REVB,
|
|
0x00000000);
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value = 0x3A093F10;
|
|
} else if (standard &
|
|
(V4L2_STD_SECAM_B | V4L2_STD_SECAM_D | V4L2_STD_SECAM_G |
|
|
V4L2_STD_SECAM_K | V4L2_STD_SECAM_K1)) {
|
|
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL3, 0, 31, 0x00008800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_REF, 0, 31, 0x888C0380);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_IF, 0, 31, 0xe0262600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_INT, 0, 31, 0xc2171700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_RF, 0, 31, 0xc2262600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_INT_CURRENT, 0, 31,
|
|
0x26001700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_RF_CURRENT, 0, 31,
|
|
0x00002660);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VID_AUD_OVERRIDE, 0, 31,
|
|
0x27000100);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AV_SEP_CTRL, 0, 31, 0x3F3530ec);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_COMP_FLT_CTRL, 0, 31,
|
|
0x00000000);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_PHASE_INC, 0, 31,
|
|
0x1befbf06);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_GAIN_CONTROL, 0, 31,
|
|
0x000035e8);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_RPT_VARIANCE, 0, 31, 0x00000000);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VIDEO_AGC_CTRL, 0, 31,
|
|
0xf4000000);
|
|
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value |= 0x3a023F11;
|
|
} else if (standard & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) {
|
|
/* Is it SECAM_L1? */
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL3, 0, 31, 0x00008800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_REF, 0, 31, 0x888C0380);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_IF, 0, 31, 0xe0262600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_INT, 0, 31, 0xc2171700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_RF, 0, 31, 0xc2262600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_INT_CURRENT, 0, 31,
|
|
0x26001700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_RF_CURRENT, 0, 31,
|
|
0x00002660);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VID_AUD_OVERRIDE, 0, 31,
|
|
0x27000100);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AV_SEP_CTRL, 0, 31, 0x3F3530ec);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_COMP_FLT_CTRL, 0, 31,
|
|
0x00000000);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_PHASE_INC, 0, 31,
|
|
0x1befbf06);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_GAIN_CONTROL, 0, 31,
|
|
0x000035e8);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_RPT_VARIANCE, 0, 31, 0x00000000);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VIDEO_AGC_CTRL, 0, 31,
|
|
0xf2560000);
|
|
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value |= 0x3a023F11;
|
|
|
|
} else if (standard & V4L2_STD_NTSC_M) {
|
|
/* V4L2_STD_NTSC_M (75 IRE Setup) Or
|
|
V4L2_STD_NTSC_M_JP (Japan, 0 IRE Setup) */
|
|
|
|
/* For NTSC the centre frequency of video coming out of
|
|
sidewinder is around 7.1MHz or 3.6MHz depending on the
|
|
spectral inversion. so for a non spectrally inverted channel
|
|
the pll freq word is 0x03420c49
|
|
*/
|
|
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL, 0x6503BC0C);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL1, 0xBD038C85);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL2, 0x1DB4640A);
|
|
status = vid_blk_write_word(dev, DIF_PLL_CTRL3, 0x00008800);
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_REF, 0x444C0380);
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_INT_CURRENT,
|
|
0x26001700);
|
|
status = vid_blk_write_word(dev, DIF_AGC_RF_CURRENT,
|
|
0x00002660);
|
|
status = vid_blk_write_word(dev, DIF_VIDEO_AGC_CTRL,
|
|
0x04000800);
|
|
status = vid_blk_write_word(dev, DIF_VID_AUD_OVERRIDE,
|
|
0x27000100);
|
|
status = vid_blk_write_word(dev, DIF_AV_SEP_CTRL, 0x01296e1f);
|
|
|
|
status = vid_blk_write_word(dev, DIF_COMP_FLT_CTRL,
|
|
0x009f50c1);
|
|
status = vid_blk_write_word(dev, DIF_SRC_PHASE_INC,
|
|
0x1befbf06);
|
|
status = vid_blk_write_word(dev, DIF_SRC_GAIN_CONTROL,
|
|
0x000035e8);
|
|
|
|
status = vid_blk_write_word(dev, DIF_AGC_CTRL_IF, 0xC2262600);
|
|
status = vid_blk_write_word(dev, DIF_AGC_CTRL_INT,
|
|
0xC2262600);
|
|
status = vid_blk_write_word(dev, DIF_AGC_CTRL_RF, 0xC2262600);
|
|
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value |= 0x3a003F10;
|
|
} else {
|
|
/* default PAL BG */
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL, 0, 31, 0x6503bc0c);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL1, 0, 31, 0xbd038c85);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL2, 0, 31, 0x1db4640a);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_PLL_CTRL3, 0, 31, 0x00008800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_REF, 0, 31, 0x444C1380);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_IF, 0, 31, 0xDA302600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_INT, 0, 31, 0xDA261700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_CTRL_RF, 0, 31, 0xDA262600);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_IF_INT_CURRENT, 0, 31,
|
|
0x26001700);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AGC_RF_CURRENT, 0, 31,
|
|
0x00002660);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VIDEO_AGC_CTRL, 0, 31,
|
|
0x72500800);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_VID_AUD_OVERRIDE, 0, 31,
|
|
0x27000100);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_AV_SEP_CTRL, 0, 31, 0x3F3530EC);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_COMP_FLT_CTRL, 0, 31,
|
|
0x00A653A8);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_PHASE_INC, 0, 31,
|
|
0x1befbf06);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_SRC_GAIN_CONTROL, 0, 31,
|
|
0x000035e8);
|
|
status = cx231xx_reg_mask_write(dev, VID_BLK_I2C_ADDRESS, 32,
|
|
DIF_RPT_VARIANCE, 0, 31, 0x00000000);
|
|
/* Save the Spec Inversion value */
|
|
dif_misc_ctrl_value &= FLD_DIF_SPEC_INV;
|
|
dif_misc_ctrl_value |= 0x3a013F11;
|
|
}
|
|
|
|
/* The AGC values should be the same for all standards,
|
|
AUD_SRC_SEL[19] should always be disabled */
|
|
dif_misc_ctrl_value &= ~FLD_DIF_AUD_SRC_SEL;
|
|
|
|
/* It is still possible to get Set Standard calls even when we
|
|
are in FM mode.
|
|
This is done to override the value for FM. */
|
|
if (dev->active_mode == V4L2_TUNER_RADIO)
|
|
dif_misc_ctrl_value = 0x7a080000;
|
|
|
|
/* Write the calculated value for misc ontrol register */
|
|
status = vid_blk_write_word(dev, DIF_MISC_CTRL, dif_misc_ctrl_value);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_tuner_pre_channel_change(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
u32 dwval;
|
|
|
|
/* Set the RF and IF k_agc values to 3 */
|
|
status = vid_blk_read_word(dev, DIF_AGC_IF_REF, &dwval);
|
|
dwval &= ~(FLD_DIF_K_AGC_RF | FLD_DIF_K_AGC_IF);
|
|
dwval |= 0x33000000;
|
|
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_REF, dwval);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_tuner_post_channel_change(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
u32 dwval;
|
|
dev_dbg(dev->dev, "%s: dev->tuner_type =0%d\n",
|
|
__func__, dev->tuner_type);
|
|
/* Set the RF and IF k_agc values to 4 for PAL/NTSC and 8 for
|
|
* SECAM L/B/D standards */
|
|
status = vid_blk_read_word(dev, DIF_AGC_IF_REF, &dwval);
|
|
dwval &= ~(FLD_DIF_K_AGC_RF | FLD_DIF_K_AGC_IF);
|
|
|
|
if (dev->norm & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_B |
|
|
V4L2_STD_SECAM_D)) {
|
|
if (dev->tuner_type == TUNER_NXP_TDA18271) {
|
|
dwval &= ~FLD_DIF_IF_REF;
|
|
dwval |= 0x88000300;
|
|
} else
|
|
dwval |= 0x88000000;
|
|
} else {
|
|
if (dev->tuner_type == TUNER_NXP_TDA18271) {
|
|
dwval &= ~FLD_DIF_IF_REF;
|
|
dwval |= 0xCC000300;
|
|
} else
|
|
dwval |= 0x44000000;
|
|
}
|
|
|
|
status = vid_blk_write_word(dev, DIF_AGC_IF_REF, dwval);
|
|
|
|
return status == sizeof(dwval) ? 0 : -EIO;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* I 2 S - B L O C K C O N T R O L functions *
|
|
******************************************************************************/
|
|
int cx231xx_i2s_blk_initialize(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
u32 value;
|
|
|
|
status = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL1, 1, &value, 1);
|
|
/* enables clock to delta-sigma and decimation filter */
|
|
value |= 0x80;
|
|
status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL1, 1, value, 1);
|
|
/* power up all channel */
|
|
status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL2, 1, 0x00, 1);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_i2s_blk_update_power_control(struct cx231xx *dev,
|
|
enum AV_MODE avmode)
|
|
{
|
|
int status = 0;
|
|
u32 value = 0;
|
|
|
|
if (avmode != POLARIS_AVMODE_ENXTERNAL_AV) {
|
|
status = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL2, 1, &value, 1);
|
|
value |= 0xfe;
|
|
status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL2, 1, value, 1);
|
|
} else {
|
|
status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL2, 1, 0x00, 1);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/* set i2s_blk for audio input types */
|
|
int cx231xx_i2s_blk_set_audio_input(struct cx231xx *dev, u8 audio_input)
|
|
{
|
|
int status = 0;
|
|
|
|
switch (audio_input) {
|
|
case CX231XX_AMUX_LINE_IN:
|
|
status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL2, 1, 0x00, 1);
|
|
status = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
|
|
CH_PWR_CTRL1, 1, 0x80, 1);
|
|
break;
|
|
case CX231XX_AMUX_VIDEO:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
dev->ctl_ainput = audio_input;
|
|
|
|
return status;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* P O W E R C O N T R O L functions *
|
|
******************************************************************************/
|
|
int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode)
|
|
{
|
|
u8 value[4] = { 0, 0, 0, 0 };
|
|
u32 tmp = 0;
|
|
int status = 0;
|
|
|
|
if (dev->power_mode != mode)
|
|
dev->power_mode = mode;
|
|
else {
|
|
dev_dbg(dev->dev, "%s: mode = %d, No Change req.\n",
|
|
__func__, mode);
|
|
return 0;
|
|
}
|
|
|
|
status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, value,
|
|
4);
|
|
if (status < 0)
|
|
return status;
|
|
|
|
tmp = le32_to_cpu(*((__le32 *) value));
|
|
|
|
switch (mode) {
|
|
case POLARIS_AVMODE_ENXTERNAL_AV:
|
|
|
|
tmp &= (~PWR_MODE_MASK);
|
|
|
|
tmp |= PWR_AV_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
|
|
tmp |= PWR_ISO_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status =
|
|
cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, PWR_CTL_EN,
|
|
value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
|
|
tmp |= POLARIS_AVMODE_ENXTERNAL_AV;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
|
|
/* reset state of xceive tuner */
|
|
dev->xc_fw_load_done = 0;
|
|
break;
|
|
|
|
case POLARIS_AVMODE_ANALOGT_TV:
|
|
|
|
tmp |= PWR_DEMOD_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
|
|
if (!(tmp & PWR_TUNER_EN)) {
|
|
tmp |= (PWR_TUNER_EN);
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
|
|
if (!(tmp & PWR_AV_EN)) {
|
|
tmp |= PWR_AV_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
if (!(tmp & PWR_ISO_EN)) {
|
|
tmp |= PWR_ISO_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
|
|
if (!(tmp & POLARIS_AVMODE_ANALOGT_TV)) {
|
|
tmp |= POLARIS_AVMODE_ANALOGT_TV;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
|
|
if (dev->board.tuner_type != TUNER_ABSENT) {
|
|
/* reset the Tuner */
|
|
if (dev->board.tuner_gpio)
|
|
cx231xx_gpio_set(dev, dev->board.tuner_gpio);
|
|
|
|
if (dev->cx231xx_reset_analog_tuner)
|
|
dev->cx231xx_reset_analog_tuner(dev);
|
|
}
|
|
|
|
break;
|
|
|
|
case POLARIS_AVMODE_DIGITAL:
|
|
if (!(tmp & PWR_TUNER_EN)) {
|
|
tmp |= (PWR_TUNER_EN);
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
if (!(tmp & PWR_AV_EN)) {
|
|
tmp |= PWR_AV_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
if (!(tmp & PWR_ISO_EN)) {
|
|
tmp |= PWR_ISO_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
|
|
tmp &= (~PWR_AV_MODE);
|
|
tmp |= POLARIS_AVMODE_DIGITAL;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
|
|
if (!(tmp & PWR_DEMOD_EN)) {
|
|
tmp |= PWR_DEMOD_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
|
|
if (dev->board.tuner_type != TUNER_ABSENT) {
|
|
/* reset the Tuner */
|
|
if (dev->board.tuner_gpio)
|
|
cx231xx_gpio_set(dev, dev->board.tuner_gpio);
|
|
|
|
if (dev->cx231xx_reset_analog_tuner)
|
|
dev->cx231xx_reset_analog_tuner(dev);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
|
|
/* For power saving, only enable Pwr_resetout_n
|
|
when digital TV is selected. */
|
|
if (mode == POLARIS_AVMODE_DIGITAL) {
|
|
tmp |= PWR_RESETOUT_EN;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
|
|
PWR_CTL_EN, value, 4);
|
|
msleep(PWR_SLEEP_INTERVAL);
|
|
}
|
|
|
|
/* update power control for afe */
|
|
status = cx231xx_afe_update_power_control(dev, mode);
|
|
|
|
/* update power control for i2s_blk */
|
|
status = cx231xx_i2s_blk_update_power_control(dev, mode);
|
|
|
|
status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, value,
|
|
4);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_power_suspend(struct cx231xx *dev)
|
|
{
|
|
u8 value[4] = { 0, 0, 0, 0 };
|
|
u32 tmp = 0;
|
|
int status = 0;
|
|
|
|
status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
|
|
value, 4);
|
|
if (status > 0)
|
|
return status;
|
|
|
|
tmp = le32_to_cpu(*((__le32 *) value));
|
|
tmp &= (~PWR_MODE_MASK);
|
|
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, PWR_CTL_EN,
|
|
value, 4);
|
|
|
|
return status;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* S T R E A M C O N T R O L functions *
|
|
******************************************************************************/
|
|
int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask)
|
|
{
|
|
u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
|
|
u32 tmp = 0;
|
|
int status = 0;
|
|
|
|
dev_dbg(dev->dev, "%s: ep_mask = %x\n", __func__, ep_mask);
|
|
status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET,
|
|
value, 4);
|
|
if (status < 0)
|
|
return status;
|
|
|
|
tmp = le32_to_cpu(*((__le32 *) value));
|
|
tmp |= ep_mask;
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, EP_MODE_SET,
|
|
value, 4);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask)
|
|
{
|
|
u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
|
|
u32 tmp = 0;
|
|
int status = 0;
|
|
|
|
dev_dbg(dev->dev, "%s: ep_mask = %x\n", __func__, ep_mask);
|
|
status =
|
|
cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET, value, 4);
|
|
if (status < 0)
|
|
return status;
|
|
|
|
tmp = le32_to_cpu(*((__le32 *) value));
|
|
tmp &= (~ep_mask);
|
|
value[0] = (u8) tmp;
|
|
value[1] = (u8) (tmp >> 8);
|
|
value[2] = (u8) (tmp >> 16);
|
|
value[3] = (u8) (tmp >> 24);
|
|
|
|
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, EP_MODE_SET,
|
|
value, 4);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type)
|
|
{
|
|
int status = 0;
|
|
u32 value = 0;
|
|
u8 val[4] = { 0, 0, 0, 0 };
|
|
|
|
if (dev->udev->speed == USB_SPEED_HIGH) {
|
|
switch (media_type) {
|
|
case Audio:
|
|
dev_dbg(dev->dev,
|
|
"%s: Audio enter HANC\n", __func__);
|
|
status =
|
|
cx231xx_mode_register(dev, TS_MODE_REG, 0x9300);
|
|
break;
|
|
|
|
case Vbi:
|
|
dev_dbg(dev->dev,
|
|
"%s: set vanc registers\n", __func__);
|
|
status = cx231xx_mode_register(dev, TS_MODE_REG, 0x300);
|
|
break;
|
|
|
|
case Sliced_cc:
|
|
dev_dbg(dev->dev,
|
|
"%s: set hanc registers\n", __func__);
|
|
status =
|
|
cx231xx_mode_register(dev, TS_MODE_REG, 0x1300);
|
|
break;
|
|
|
|
case Raw_Video:
|
|
dev_dbg(dev->dev,
|
|
"%s: set video registers\n", __func__);
|
|
status = cx231xx_mode_register(dev, TS_MODE_REG, 0x100);
|
|
break;
|
|
|
|
case TS1_serial_mode:
|
|
dev_dbg(dev->dev,
|
|
"%s: set ts1 registers", __func__);
|
|
|
|
if (dev->board.has_417) {
|
|
dev_dbg(dev->dev,
|
|
"%s: MPEG\n", __func__);
|
|
value &= 0xFFFFFFFC;
|
|
value |= 0x3;
|
|
|
|
status = cx231xx_mode_register(dev,
|
|
TS_MODE_REG, value);
|
|
|
|
val[0] = 0x04;
|
|
val[1] = 0xA3;
|
|
val[2] = 0x3B;
|
|
val[3] = 0x00;
|
|
status = cx231xx_write_ctrl_reg(dev,
|
|
VRT_SET_REGISTER,
|
|
TS1_CFG_REG, val, 4);
|
|
|
|
val[0] = 0x00;
|
|
val[1] = 0x08;
|
|
val[2] = 0x00;
|
|
val[3] = 0x08;
|
|
status = cx231xx_write_ctrl_reg(dev,
|
|
VRT_SET_REGISTER,
|
|
TS1_LENGTH_REG, val, 4);
|
|
} else {
|
|
dev_dbg(dev->dev, "%s: BDA\n", __func__);
|
|
status = cx231xx_mode_register(dev,
|
|
TS_MODE_REG, 0x101);
|
|
status = cx231xx_mode_register(dev,
|
|
TS1_CFG_REG, 0x010);
|
|
}
|
|
break;
|
|
|
|
case TS1_parallel_mode:
|
|
dev_dbg(dev->dev,
|
|
"%s: set ts1 parallel mode registers\n",
|
|
__func__);
|
|
status = cx231xx_mode_register(dev, TS_MODE_REG, 0x100);
|
|
status = cx231xx_mode_register(dev, TS1_CFG_REG, 0x400);
|
|
break;
|
|
}
|
|
} else {
|
|
status = cx231xx_mode_register(dev, TS_MODE_REG, 0x101);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type)
|
|
{
|
|
int rc = -1;
|
|
u32 ep_mask = -1;
|
|
struct pcb_config *pcb_config;
|
|
|
|
/* get EP for media type */
|
|
pcb_config = (struct pcb_config *)&dev->current_pcb_config;
|
|
|
|
if (pcb_config->config_num) {
|
|
switch (media_type) {
|
|
case Raw_Video:
|
|
ep_mask = ENABLE_EP4; /* ep4 [00:1000] */
|
|
break;
|
|
case Audio:
|
|
ep_mask = ENABLE_EP3; /* ep3 [00:0100] */
|
|
break;
|
|
case Vbi:
|
|
ep_mask = ENABLE_EP5; /* ep5 [01:0000] */
|
|
break;
|
|
case Sliced_cc:
|
|
ep_mask = ENABLE_EP6; /* ep6 [10:0000] */
|
|
break;
|
|
case TS1_serial_mode:
|
|
case TS1_parallel_mode:
|
|
ep_mask = ENABLE_EP1; /* ep1 [00:0001] */
|
|
break;
|
|
case TS2:
|
|
ep_mask = ENABLE_EP2; /* ep2 [00:0010] */
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (start) {
|
|
rc = cx231xx_initialize_stream_xfer(dev, media_type);
|
|
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* enable video capture */
|
|
if (ep_mask > 0)
|
|
rc = cx231xx_start_stream(dev, ep_mask);
|
|
} else {
|
|
/* disable video capture */
|
|
if (ep_mask > 0)
|
|
rc = cx231xx_stop_stream(dev, ep_mask);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cx231xx_capture_start);
|
|
|
|
/*****************************************************************************
|
|
* G P I O B I T control functions *
|
|
******************************************************************************/
|
|
static int cx231xx_set_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u32 gpio_val)
|
|
{
|
|
int status = 0;
|
|
|
|
gpio_val = (__force u32)cpu_to_le32(gpio_val);
|
|
status = cx231xx_send_gpio_cmd(dev, gpio_bit, (u8 *)&gpio_val, 4, 0, 0);
|
|
|
|
return status;
|
|
}
|
|
|
|
static int cx231xx_get_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u32 *gpio_val)
|
|
{
|
|
__le32 tmp;
|
|
int status = 0;
|
|
|
|
status = cx231xx_send_gpio_cmd(dev, gpio_bit, (u8 *)&tmp, 4, 0, 1);
|
|
*gpio_val = le32_to_cpu(tmp);
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* cx231xx_set_gpio_direction
|
|
* Sets the direction of the GPIO pin to input or output
|
|
*
|
|
* Parameters :
|
|
* pin_number : The GPIO Pin number to program the direction for
|
|
* from 0 to 31
|
|
* pin_value : The Direction of the GPIO Pin under reference.
|
|
* 0 = Input direction
|
|
* 1 = Output direction
|
|
*/
|
|
int cx231xx_set_gpio_direction(struct cx231xx *dev,
|
|
int pin_number, int pin_value)
|
|
{
|
|
int status = 0;
|
|
u32 value = 0;
|
|
|
|
/* Check for valid pin_number - if 32 , bail out */
|
|
if (pin_number >= 32)
|
|
return -EINVAL;
|
|
|
|
/* input */
|
|
if (pin_value == 0)
|
|
value = dev->gpio_dir & (~(1 << pin_number)); /* clear */
|
|
else
|
|
value = dev->gpio_dir | (1 << pin_number);
|
|
|
|
status = cx231xx_set_gpio_bit(dev, value, dev->gpio_val);
|
|
|
|
/* cache the value for future */
|
|
dev->gpio_dir = value;
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* cx231xx_set_gpio_value
|
|
* Sets the value of the GPIO pin to Logic high or low. The Pin under
|
|
* reference should ALREADY BE SET IN OUTPUT MODE !!!!!!!!!
|
|
*
|
|
* Parameters :
|
|
* pin_number : The GPIO Pin number to program the direction for
|
|
* pin_value : The value of the GPIO Pin under reference.
|
|
* 0 = set it to 0
|
|
* 1 = set it to 1
|
|
*/
|
|
int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value)
|
|
{
|
|
int status = 0;
|
|
u32 value = 0;
|
|
|
|
/* Check for valid pin_number - if 0xFF , bail out */
|
|
if (pin_number >= 32)
|
|
return -EINVAL;
|
|
|
|
/* first do a sanity check - if the Pin is not output, make it output */
|
|
if ((dev->gpio_dir & (1 << pin_number)) == 0x00) {
|
|
/* It was in input mode */
|
|
value = dev->gpio_dir | (1 << pin_number);
|
|
dev->gpio_dir = value;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
value = 0;
|
|
}
|
|
|
|
if (pin_value == 0)
|
|
value = dev->gpio_val & (~(1 << pin_number));
|
|
else
|
|
value = dev->gpio_val | (1 << pin_number);
|
|
|
|
/* store the value */
|
|
dev->gpio_val = value;
|
|
|
|
/* toggle bit0 of GP_IO */
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
return status;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* G P I O I2C related functions *
|
|
******************************************************************************/
|
|
int cx231xx_gpio_i2c_start(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
|
|
/* set SCL to output 1 ; set SDA to output 1 */
|
|
dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
|
|
dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
dev->gpio_val |= 1 << dev->board.tuner_sda_gpio;
|
|
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
if (status < 0)
|
|
return -EINVAL;
|
|
|
|
/* set SCL to output 1; set SDA to output 0 */
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
|
|
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
if (status < 0)
|
|
return -EINVAL;
|
|
|
|
/* set SCL to output 0; set SDA to output 0 */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
|
|
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
if (status < 0)
|
|
return -EINVAL;
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_gpio_i2c_end(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
|
|
/* set SCL to output 0; set SDA to output 0 */
|
|
dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
|
|
dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
|
|
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
|
|
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
if (status < 0)
|
|
return -EINVAL;
|
|
|
|
/* set SCL to output 1; set SDA to output 0 */
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
|
|
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
if (status < 0)
|
|
return -EINVAL;
|
|
|
|
/* set SCL to input ,release SCL cable control
|
|
set SDA to input ,release SDA cable control */
|
|
dev->gpio_dir &= ~(1 << dev->board.tuner_scl_gpio);
|
|
dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
|
|
|
|
status =
|
|
cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
if (status < 0)
|
|
return -EINVAL;
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data)
|
|
{
|
|
int status = 0;
|
|
u8 i;
|
|
|
|
/* set SCL to output ; set SDA to output */
|
|
dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
|
|
dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (((data << i) & 0x80) == 0) {
|
|
/* set SCL to output 0; set SDA to output 0 */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
|
|
/* set SCL to output 1; set SDA to output 0 */
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
|
|
/* set SCL to output 0; set SDA to output 0 */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
} else {
|
|
/* set SCL to output 0; set SDA to output 1 */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
dev->gpio_val |= 1 << dev->board.tuner_sda_gpio;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
|
|
/* set SCL to output 1; set SDA to output 1 */
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
|
|
/* set SCL to output 0; set SDA to output 1 */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
}
|
|
}
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf)
|
|
{
|
|
u8 value = 0;
|
|
int status = 0;
|
|
u32 gpio_logic_value = 0;
|
|
u8 i;
|
|
|
|
/* read byte */
|
|
for (i = 0; i < 8; i++) { /* send write I2c addr */
|
|
|
|
/* set SCL to output 0; set SDA to input */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
|
|
/* set SCL to output 1; set SDA to input */
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir,
|
|
dev->gpio_val);
|
|
|
|
/* get SDA data bit */
|
|
gpio_logic_value = dev->gpio_val;
|
|
status = cx231xx_get_gpio_bit(dev, dev->gpio_dir,
|
|
&dev->gpio_val);
|
|
if ((dev->gpio_val & (1 << dev->board.tuner_sda_gpio)) != 0)
|
|
value |= (1 << (8 - i - 1));
|
|
|
|
dev->gpio_val = gpio_logic_value;
|
|
}
|
|
|
|
/* set SCL to output 0,finish the read latest SCL signal.
|
|
!!!set SDA to input, never to modify SDA direction at
|
|
the same times */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
/* store the value */
|
|
*buf = value & 0xff;
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
u32 gpio_logic_value = 0;
|
|
int nCnt = 10;
|
|
int nInit = nCnt;
|
|
|
|
/* clock stretch; set SCL to input; set SDA to input;
|
|
get SCL value till SCL = 1 */
|
|
dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
|
|
dev->gpio_dir &= ~(1 << dev->board.tuner_scl_gpio);
|
|
|
|
gpio_logic_value = dev->gpio_val;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
do {
|
|
msleep(2);
|
|
status = cx231xx_get_gpio_bit(dev, dev->gpio_dir,
|
|
&dev->gpio_val);
|
|
nCnt--;
|
|
} while (((dev->gpio_val &
|
|
(1 << dev->board.tuner_scl_gpio)) == 0) &&
|
|
(nCnt > 0));
|
|
|
|
if (nCnt == 0)
|
|
dev_dbg(dev->dev,
|
|
"No ACK after %d msec -GPIO I2C failed!",
|
|
nInit * 10);
|
|
|
|
/*
|
|
* readAck
|
|
* through clock stretch, slave has given a SCL signal,
|
|
* so the SDA data can be directly read.
|
|
*/
|
|
status = cx231xx_get_gpio_bit(dev, dev->gpio_dir, &dev->gpio_val);
|
|
|
|
if ((dev->gpio_val & 1 << dev->board.tuner_sda_gpio) == 0) {
|
|
dev->gpio_val = gpio_logic_value;
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
|
|
status = 0;
|
|
} else {
|
|
dev->gpio_val = gpio_logic_value;
|
|
dev->gpio_val |= (1 << dev->board.tuner_sda_gpio);
|
|
}
|
|
|
|
/* read SDA end, set the SCL to output 0, after this operation,
|
|
SDA direction can be changed. */
|
|
dev->gpio_val = gpio_logic_value;
|
|
dev->gpio_dir |= (1 << dev->board.tuner_scl_gpio);
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
|
|
/* set SDA to output */
|
|
dev->gpio_dir |= 1 << dev->board.tuner_sda_gpio;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
/* set SCL = 0 (output); set SDA = 0 (output) */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_sda_gpio);
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
/* set SCL = 1 (output); set SDA = 0 (output) */
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
/* set SCL = 0 (output); set SDA = 0 (output) */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
/* set SDA to input,and then the slave will read data from SDA. */
|
|
dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
return status;
|
|
}
|
|
|
|
int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev)
|
|
{
|
|
int status = 0;
|
|
|
|
/* set scl to output ; set sda to input */
|
|
dev->gpio_dir |= 1 << dev->board.tuner_scl_gpio;
|
|
dev->gpio_dir &= ~(1 << dev->board.tuner_sda_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
/* set scl to output 0; set sda to input */
|
|
dev->gpio_val &= ~(1 << dev->board.tuner_scl_gpio);
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
/* set scl to output 1; set sda to input */
|
|
dev->gpio_val |= 1 << dev->board.tuner_scl_gpio;
|
|
status = cx231xx_set_gpio_bit(dev, dev->gpio_dir, dev->gpio_val);
|
|
|
|
return status;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* G P I O I2C related functions *
|
|
******************************************************************************/
|
|
/* cx231xx_gpio_i2c_read
|
|
* Function to read data from gpio based I2C interface
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*/
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int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len)
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{
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int status = 0;
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int i = 0;
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/* get the lock */
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mutex_lock(&dev->gpio_i2c_lock);
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/* start */
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status = cx231xx_gpio_i2c_start(dev);
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/* write dev_addr */
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status = cx231xx_gpio_i2c_write_byte(dev, (dev_addr << 1) + 1);
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/* readAck */
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status = cx231xx_gpio_i2c_read_ack(dev);
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/* read data */
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for (i = 0; i < len; i++) {
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/* read data */
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buf[i] = 0;
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status = cx231xx_gpio_i2c_read_byte(dev, &buf[i]);
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if ((i + 1) != len) {
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/* only do write ack if we more length */
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status = cx231xx_gpio_i2c_write_ack(dev);
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}
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}
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/* write NAK - inform reads are complete */
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status = cx231xx_gpio_i2c_write_nak(dev);
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/* write end */
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status = cx231xx_gpio_i2c_end(dev);
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/* release the lock */
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mutex_unlock(&dev->gpio_i2c_lock);
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return status;
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}
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/* cx231xx_gpio_i2c_write
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* Function to write data to gpio based I2C interface
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*/
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int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len)
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{
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int i = 0;
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/* get the lock */
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mutex_lock(&dev->gpio_i2c_lock);
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/* start */
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cx231xx_gpio_i2c_start(dev);
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/* write dev_addr */
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cx231xx_gpio_i2c_write_byte(dev, dev_addr << 1);
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/* read Ack */
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cx231xx_gpio_i2c_read_ack(dev);
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for (i = 0; i < len; i++) {
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/* Write data */
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cx231xx_gpio_i2c_write_byte(dev, buf[i]);
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/* read Ack */
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cx231xx_gpio_i2c_read_ack(dev);
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}
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/* write End */
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cx231xx_gpio_i2c_end(dev);
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/* release the lock */
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mutex_unlock(&dev->gpio_i2c_lock);
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return 0;
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}
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