[media] adv7183: add adv7183 decoder driver
This driver is a v4l2 subdevice driver to support Analog Devices ADV7183 SDTV video decoder. Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Scott Jiang
Mauro Carvalho Chehab
Родитель
aa2e682a48
Коммит
202ea1f05b
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@ -273,6 +273,16 @@ config VIDEO_ADV7180
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To compile this driver as a module, choose M here: the
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module will be called adv7180.
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config VIDEO_ADV7183
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tristate "Analog Devices ADV7183 decoder"
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depends on VIDEO_V4L2 && I2C
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---help---
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V4l2 subdevice driver for the Analog Devices
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ADV7183 video decoder.
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To compile this driver as a module, choose M here: the
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module will be called adv7183.
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config VIDEO_BT819
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tristate "BT819A VideoStream decoder"
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depends on VIDEO_V4L2 && I2C
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@ -39,6 +39,7 @@ obj-$(CONFIG_VIDEO_SAA7191) += saa7191.o
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obj-$(CONFIG_VIDEO_ADV7170) += adv7170.o
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obj-$(CONFIG_VIDEO_ADV7175) += adv7175.o
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obj-$(CONFIG_VIDEO_ADV7180) += adv7180.o
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obj-$(CONFIG_VIDEO_ADV7183) += adv7183.o
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obj-$(CONFIG_VIDEO_ADV7343) += adv7343.o
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obj-$(CONFIG_VIDEO_VPX3220) += vpx3220.o
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obj-$(CONFIG_VIDEO_BT819) += bt819.o
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@ -0,0 +1,699 @@
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/*
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* adv7183.c Analog Devices ADV7183 video decoder driver
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*
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* Copyright (c) 2011 Analog Devices Inc.
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*
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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 version 2 as
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* published by the Free Software Foundation.
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*
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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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*
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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 <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/gpio.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/videodev2.h>
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#include <media/adv7183.h>
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#include <media/v4l2-chip-ident.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#include "adv7183_regs.h"
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struct adv7183 {
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struct v4l2_subdev sd;
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struct v4l2_ctrl_handler hdl;
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v4l2_std_id std; /* Current set standard */
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u32 input;
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u32 output;
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unsigned reset_pin;
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unsigned oe_pin;
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struct v4l2_mbus_framefmt fmt;
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};
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/* EXAMPLES USING 27 MHz CLOCK
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* Mode 1 CVBS Input (Composite Video on AIN5)
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* All standards are supported through autodetect, 8-bit, 4:2:2, ITU-R BT.656 output on P15 to P8.
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*/
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static const unsigned char adv7183_init_regs[] = {
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ADV7183_IN_CTRL, 0x04, /* CVBS input on AIN5 */
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ADV7183_DIGI_CLAMP_CTRL_1, 0x00, /* Slow down digital clamps */
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ADV7183_SHAP_FILT_CTRL, 0x41, /* Set CSFM to SH1 */
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ADV7183_ADC_CTRL, 0x16, /* Power down ADC 1 and ADC 2 */
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ADV7183_CTI_DNR_CTRL_4, 0x04, /* Set DNR threshold to 4 for flat response */
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/* ADI recommended programming sequence */
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ADV7183_ADI_CTRL, 0x80,
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ADV7183_CTI_DNR_CTRL_4, 0x20,
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0x52, 0x18,
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0x58, 0xED,
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0x77, 0xC5,
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0x7C, 0x93,
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0x7D, 0x00,
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0xD0, 0x48,
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0xD5, 0xA0,
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0xD7, 0xEA,
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ADV7183_SD_SATURATION_CR, 0x3E,
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ADV7183_PAL_V_END, 0x3E,
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ADV7183_PAL_F_TOGGLE, 0x0F,
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ADV7183_ADI_CTRL, 0x00,
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};
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static inline struct adv7183 *to_adv7183(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct adv7183, sd);
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}
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static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
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{
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return &container_of(ctrl->handler, struct adv7183, hdl)->sd;
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}
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static inline int adv7183_read(struct v4l2_subdev *sd, unsigned char reg)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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return i2c_smbus_read_byte_data(client, reg);
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}
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static inline int adv7183_write(struct v4l2_subdev *sd, unsigned char reg,
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unsigned char value)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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return i2c_smbus_write_byte_data(client, reg, value);
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}
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static int adv7183_writeregs(struct v4l2_subdev *sd,
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const unsigned char *regs, unsigned int num)
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{
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unsigned char reg, data;
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unsigned int cnt = 0;
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if (num & 0x1) {
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v4l2_err(sd, "invalid regs array\n");
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return -1;
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}
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while (cnt < num) {
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reg = *regs++;
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data = *regs++;
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cnt += 2;
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adv7183_write(sd, reg, data);
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}
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return 0;
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}
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static int adv7183_log_status(struct v4l2_subdev *sd)
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{
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struct adv7183 *decoder = to_adv7183(sd);
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v4l2_info(sd, "adv7183: Input control = 0x%02x\n",
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adv7183_read(sd, ADV7183_IN_CTRL));
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v4l2_info(sd, "adv7183: Video selection = 0x%02x\n",
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adv7183_read(sd, ADV7183_VD_SEL));
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v4l2_info(sd, "adv7183: Output control = 0x%02x\n",
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adv7183_read(sd, ADV7183_OUT_CTRL));
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v4l2_info(sd, "adv7183: Extended output control = 0x%02x\n",
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adv7183_read(sd, ADV7183_EXT_OUT_CTRL));
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v4l2_info(sd, "adv7183: Autodetect enable = 0x%02x\n",
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adv7183_read(sd, ADV7183_AUTO_DET_EN));
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v4l2_info(sd, "adv7183: Contrast = 0x%02x\n",
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adv7183_read(sd, ADV7183_CONTRAST));
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v4l2_info(sd, "adv7183: Brightness = 0x%02x\n",
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adv7183_read(sd, ADV7183_BRIGHTNESS));
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v4l2_info(sd, "adv7183: Hue = 0x%02x\n",
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adv7183_read(sd, ADV7183_HUE));
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v4l2_info(sd, "adv7183: Default value Y = 0x%02x\n",
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adv7183_read(sd, ADV7183_DEF_Y));
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v4l2_info(sd, "adv7183: Default value C = 0x%02x\n",
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adv7183_read(sd, ADV7183_DEF_C));
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v4l2_info(sd, "adv7183: ADI control = 0x%02x\n",
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adv7183_read(sd, ADV7183_ADI_CTRL));
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v4l2_info(sd, "adv7183: Power Management = 0x%02x\n",
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adv7183_read(sd, ADV7183_POW_MANAGE));
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v4l2_info(sd, "adv7183: Status 1 2 and 3 = 0x%02x 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_STATUS_1),
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adv7183_read(sd, ADV7183_STATUS_2),
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adv7183_read(sd, ADV7183_STATUS_3));
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v4l2_info(sd, "adv7183: Ident = 0x%02x\n",
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adv7183_read(sd, ADV7183_IDENT));
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v4l2_info(sd, "adv7183: Analog clamp control = 0x%02x\n",
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adv7183_read(sd, ADV7183_ANAL_CLAMP_CTRL));
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v4l2_info(sd, "adv7183: Digital clamp control 1 = 0x%02x\n",
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adv7183_read(sd, ADV7183_DIGI_CLAMP_CTRL_1));
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v4l2_info(sd, "adv7183: Shaping filter control 1 and 2 = 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_SHAP_FILT_CTRL),
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adv7183_read(sd, ADV7183_SHAP_FILT_CTRL_2));
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v4l2_info(sd, "adv7183: Comb filter control = 0x%02x\n",
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adv7183_read(sd, ADV7183_COMB_FILT_CTRL));
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v4l2_info(sd, "adv7183: ADI control 2 = 0x%02x\n",
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adv7183_read(sd, ADV7183_ADI_CTRL_2));
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v4l2_info(sd, "adv7183: Pixel delay control = 0x%02x\n",
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adv7183_read(sd, ADV7183_PIX_DELAY_CTRL));
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v4l2_info(sd, "adv7183: Misc gain control = 0x%02x\n",
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adv7183_read(sd, ADV7183_MISC_GAIN_CTRL));
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v4l2_info(sd, "adv7183: AGC mode control = 0x%02x\n",
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adv7183_read(sd, ADV7183_AGC_MODE_CTRL));
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v4l2_info(sd, "adv7183: Chroma gain control 1 and 2 = 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_CHRO_GAIN_CTRL_1),
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adv7183_read(sd, ADV7183_CHRO_GAIN_CTRL_2));
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v4l2_info(sd, "adv7183: Luma gain control 1 and 2 = 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_LUMA_GAIN_CTRL_1),
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adv7183_read(sd, ADV7183_LUMA_GAIN_CTRL_2));
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v4l2_info(sd, "adv7183: Vsync field control 1 2 and 3 = 0x%02x 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_VS_FIELD_CTRL_1),
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adv7183_read(sd, ADV7183_VS_FIELD_CTRL_2),
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adv7183_read(sd, ADV7183_VS_FIELD_CTRL_3));
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v4l2_info(sd, "adv7183: Hsync positon control 1 2 and 3 = 0x%02x 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_HS_POS_CTRL_1),
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adv7183_read(sd, ADV7183_HS_POS_CTRL_2),
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adv7183_read(sd, ADV7183_HS_POS_CTRL_3));
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v4l2_info(sd, "adv7183: Polarity = 0x%02x\n",
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adv7183_read(sd, ADV7183_POLARITY));
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v4l2_info(sd, "adv7183: ADC control = 0x%02x\n",
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adv7183_read(sd, ADV7183_ADC_CTRL));
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v4l2_info(sd, "adv7183: SD offset Cb and Cr = 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_SD_OFFSET_CB),
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adv7183_read(sd, ADV7183_SD_OFFSET_CR));
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v4l2_info(sd, "adv7183: SD saturation Cb and Cr = 0x%02x 0x%02x\n",
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adv7183_read(sd, ADV7183_SD_SATURATION_CB),
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adv7183_read(sd, ADV7183_SD_SATURATION_CR));
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v4l2_info(sd, "adv7183: Drive strength = 0x%02x\n",
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adv7183_read(sd, ADV7183_DRIVE_STR));
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v4l2_ctrl_handler_log_status(&decoder->hdl, sd->name);
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return 0;
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}
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static int adv7183_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
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{
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struct adv7183 *decoder = to_adv7183(sd);
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*std = decoder->std;
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return 0;
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}
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static int adv7183_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
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{
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struct adv7183 *decoder = to_adv7183(sd);
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int reg;
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reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF;
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if (std == V4L2_STD_PAL_60)
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reg |= 0x60;
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else if (std == V4L2_STD_NTSC_443)
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reg |= 0x70;
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else if (std == V4L2_STD_PAL_N)
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reg |= 0x90;
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else if (std == V4L2_STD_PAL_M)
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reg |= 0xA0;
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else if (std == V4L2_STD_PAL_Nc)
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reg |= 0xC0;
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else if (std & V4L2_STD_PAL)
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reg |= 0x80;
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else if (std & V4L2_STD_NTSC)
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reg |= 0x50;
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else if (std & V4L2_STD_SECAM)
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reg |= 0xE0;
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else
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return -EINVAL;
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adv7183_write(sd, ADV7183_IN_CTRL, reg);
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decoder->std = std;
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return 0;
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}
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static int adv7183_reset(struct v4l2_subdev *sd, u32 val)
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{
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int reg;
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reg = adv7183_read(sd, ADV7183_POW_MANAGE) | 0x80;
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adv7183_write(sd, ADV7183_POW_MANAGE, reg);
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/* wait 5ms before any further i2c writes are performed */
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usleep_range(5000, 10000);
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return 0;
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}
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static int adv7183_s_routing(struct v4l2_subdev *sd,
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u32 input, u32 output, u32 config)
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{
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struct adv7183 *decoder = to_adv7183(sd);
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int reg;
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if ((input > ADV7183_COMPONENT1) || (output > ADV7183_16BIT_OUT))
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return -EINVAL;
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if (input != decoder->input) {
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decoder->input = input;
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reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF0;
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switch (input) {
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case ADV7183_COMPOSITE1:
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reg |= 0x1;
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break;
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case ADV7183_COMPOSITE2:
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reg |= 0x2;
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break;
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case ADV7183_COMPOSITE3:
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reg |= 0x3;
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break;
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case ADV7183_COMPOSITE4:
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reg |= 0x4;
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break;
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case ADV7183_COMPOSITE5:
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reg |= 0x5;
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break;
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case ADV7183_COMPOSITE6:
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reg |= 0xB;
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break;
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case ADV7183_COMPOSITE7:
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reg |= 0xC;
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break;
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case ADV7183_COMPOSITE8:
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reg |= 0xD;
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break;
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case ADV7183_COMPOSITE9:
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reg |= 0xE;
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break;
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case ADV7183_COMPOSITE10:
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reg |= 0xF;
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break;
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case ADV7183_SVIDEO0:
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reg |= 0x6;
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break;
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case ADV7183_SVIDEO1:
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reg |= 0x7;
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break;
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case ADV7183_SVIDEO2:
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reg |= 0x8;
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break;
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case ADV7183_COMPONENT0:
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reg |= 0x9;
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break;
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case ADV7183_COMPONENT1:
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reg |= 0xA;
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break;
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default:
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break;
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}
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adv7183_write(sd, ADV7183_IN_CTRL, reg);
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}
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if (output != decoder->output) {
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decoder->output = output;
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reg = adv7183_read(sd, ADV7183_OUT_CTRL) & 0xC0;
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switch (output) {
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case ADV7183_16BIT_OUT:
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reg |= 0x9;
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break;
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default:
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reg |= 0xC;
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break;
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}
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adv7183_write(sd, ADV7183_OUT_CTRL, reg);
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}
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return 0;
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}
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static int adv7183_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct v4l2_subdev *sd = to_sd(ctrl);
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int val = ctrl->val;
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switch (ctrl->id) {
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case V4L2_CID_BRIGHTNESS:
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if (val < 0)
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val = 127 - val;
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adv7183_write(sd, ADV7183_BRIGHTNESS, val);
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break;
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case V4L2_CID_CONTRAST:
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adv7183_write(sd, ADV7183_CONTRAST, val);
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break;
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case V4L2_CID_SATURATION:
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adv7183_write(sd, ADV7183_SD_SATURATION_CB, val >> 8);
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adv7183_write(sd, ADV7183_SD_SATURATION_CR, (val & 0xFF));
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break;
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case V4L2_CID_HUE:
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adv7183_write(sd, ADV7183_SD_OFFSET_CB, val >> 8);
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adv7183_write(sd, ADV7183_SD_OFFSET_CR, (val & 0xFF));
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int adv7183_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
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{
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struct adv7183 *decoder = to_adv7183(sd);
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int reg;
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/* enable autodetection block */
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reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF;
|
||||
adv7183_write(sd, ADV7183_IN_CTRL, reg);
|
||||
|
||||
/* wait autodetection switch */
|
||||
mdelay(10);
|
||||
|
||||
/* get autodetection result */
|
||||
reg = adv7183_read(sd, ADV7183_STATUS_1);
|
||||
switch ((reg >> 0x4) & 0x7) {
|
||||
case 0:
|
||||
*std = V4L2_STD_NTSC;
|
||||
break;
|
||||
case 1:
|
||||
*std = V4L2_STD_NTSC_443;
|
||||
break;
|
||||
case 2:
|
||||
*std = V4L2_STD_PAL_M;
|
||||
break;
|
||||
case 3:
|
||||
*std = V4L2_STD_PAL_60;
|
||||
break;
|
||||
case 4:
|
||||
*std = V4L2_STD_PAL;
|
||||
break;
|
||||
case 5:
|
||||
*std = V4L2_STD_SECAM;
|
||||
break;
|
||||
case 6:
|
||||
*std = V4L2_STD_PAL_Nc;
|
||||
break;
|
||||
case 7:
|
||||
*std = V4L2_STD_SECAM;
|
||||
break;
|
||||
default:
|
||||
*std = V4L2_STD_UNKNOWN;
|
||||
break;
|
||||
}
|
||||
|
||||
/* after std detection, write back user set std */
|
||||
adv7183_s_std(sd, decoder->std);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_g_input_status(struct v4l2_subdev *sd, u32 *status)
|
||||
{
|
||||
int reg;
|
||||
|
||||
*status = V4L2_IN_ST_NO_SIGNAL;
|
||||
reg = adv7183_read(sd, ADV7183_STATUS_1);
|
||||
if (reg < 0)
|
||||
return reg;
|
||||
if (reg & 0x1)
|
||||
*status = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
|
||||
enum v4l2_mbus_pixelcode *code)
|
||||
{
|
||||
if (index > 0)
|
||||
return -EINVAL;
|
||||
|
||||
*code = V4L2_MBUS_FMT_UYVY8_2X8;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_try_mbus_fmt(struct v4l2_subdev *sd,
|
||||
struct v4l2_mbus_framefmt *fmt)
|
||||
{
|
||||
struct adv7183 *decoder = to_adv7183(sd);
|
||||
|
||||
fmt->code = V4L2_MBUS_FMT_UYVY8_2X8;
|
||||
fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
|
||||
if (decoder->std & V4L2_STD_525_60) {
|
||||
fmt->field = V4L2_FIELD_SEQ_TB;
|
||||
fmt->width = 720;
|
||||
fmt->height = 480;
|
||||
} else {
|
||||
fmt->field = V4L2_FIELD_SEQ_BT;
|
||||
fmt->width = 720;
|
||||
fmt->height = 576;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_s_mbus_fmt(struct v4l2_subdev *sd,
|
||||
struct v4l2_mbus_framefmt *fmt)
|
||||
{
|
||||
struct adv7183 *decoder = to_adv7183(sd);
|
||||
|
||||
adv7183_try_mbus_fmt(sd, fmt);
|
||||
decoder->fmt = *fmt;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_g_mbus_fmt(struct v4l2_subdev *sd,
|
||||
struct v4l2_mbus_framefmt *fmt)
|
||||
{
|
||||
struct adv7183 *decoder = to_adv7183(sd);
|
||||
|
||||
*fmt = decoder->fmt;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_s_stream(struct v4l2_subdev *sd, int enable)
|
||||
{
|
||||
struct adv7183 *decoder = to_adv7183(sd);
|
||||
|
||||
if (enable)
|
||||
gpio_direction_output(decoder->oe_pin, 0);
|
||||
else
|
||||
gpio_direction_output(decoder->oe_pin, 1);
|
||||
udelay(1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_g_chip_ident(struct v4l2_subdev *sd,
|
||||
struct v4l2_dbg_chip_ident *chip)
|
||||
{
|
||||
int rev;
|
||||
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
||||
|
||||
/* 0x11 for adv7183, 0x13 for adv7183b */
|
||||
rev = adv7183_read(sd, ADV7183_IDENT);
|
||||
|
||||
return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7183, rev);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
||||
static int adv7183_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
|
||||
{
|
||||
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
||||
|
||||
if (!v4l2_chip_match_i2c_client(client, ®->match))
|
||||
return -EINVAL;
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
reg->val = adv7183_read(sd, reg->reg & 0xff);
|
||||
reg->size = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int adv7183_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
|
||||
{
|
||||
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
||||
|
||||
if (!v4l2_chip_match_i2c_client(client, ®->match))
|
||||
return -EINVAL;
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
adv7183_write(sd, reg->reg & 0xff, reg->val & 0xff);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
static const struct v4l2_ctrl_ops adv7183_ctrl_ops = {
|
||||
.s_ctrl = adv7183_s_ctrl,
|
||||
};
|
||||
|
||||
static const struct v4l2_subdev_core_ops adv7183_core_ops = {
|
||||
.log_status = adv7183_log_status,
|
||||
.g_std = adv7183_g_std,
|
||||
.s_std = adv7183_s_std,
|
||||
.reset = adv7183_reset,
|
||||
.g_chip_ident = adv7183_g_chip_ident,
|
||||
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
||||
.g_register = adv7183_g_register,
|
||||
.s_register = adv7183_s_register,
|
||||
#endif
|
||||
};
|
||||
|
||||
static const struct v4l2_subdev_video_ops adv7183_video_ops = {
|
||||
.s_routing = adv7183_s_routing,
|
||||
.querystd = adv7183_querystd,
|
||||
.g_input_status = adv7183_g_input_status,
|
||||
.enum_mbus_fmt = adv7183_enum_mbus_fmt,
|
||||
.try_mbus_fmt = adv7183_try_mbus_fmt,
|
||||
.s_mbus_fmt = adv7183_s_mbus_fmt,
|
||||
.g_mbus_fmt = adv7183_g_mbus_fmt,
|
||||
.s_stream = adv7183_s_stream,
|
||||
};
|
||||
|
||||
static const struct v4l2_subdev_ops adv7183_ops = {
|
||||
.core = &adv7183_core_ops,
|
||||
.video = &adv7183_video_ops,
|
||||
};
|
||||
|
||||
static int adv7183_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct adv7183 *decoder;
|
||||
struct v4l2_subdev *sd;
|
||||
struct v4l2_ctrl_handler *hdl;
|
||||
int ret;
|
||||
struct v4l2_mbus_framefmt fmt;
|
||||
const unsigned *pin_array;
|
||||
|
||||
/* Check if the adapter supports the needed features */
|
||||
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
|
||||
return -EIO;
|
||||
|
||||
v4l_info(client, "chip found @ 0x%02x (%s)\n",
|
||||
client->addr << 1, client->adapter->name);
|
||||
|
||||
pin_array = client->dev.platform_data;
|
||||
if (pin_array == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
decoder = kzalloc(sizeof(struct adv7183), GFP_KERNEL);
|
||||
if (decoder == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
decoder->reset_pin = pin_array[0];
|
||||
decoder->oe_pin = pin_array[1];
|
||||
|
||||
if (gpio_request(decoder->reset_pin, "ADV7183 Reset")) {
|
||||
v4l_err(client, "failed to request GPIO %d\n", decoder->reset_pin);
|
||||
ret = -EBUSY;
|
||||
goto err_free_decoder;
|
||||
}
|
||||
|
||||
if (gpio_request(decoder->oe_pin, "ADV7183 Output Enable")) {
|
||||
v4l_err(client, "failed to request GPIO %d\n", decoder->oe_pin);
|
||||
ret = -EBUSY;
|
||||
goto err_free_reset;
|
||||
}
|
||||
|
||||
sd = &decoder->sd;
|
||||
v4l2_i2c_subdev_init(sd, client, &adv7183_ops);
|
||||
|
||||
hdl = &decoder->hdl;
|
||||
v4l2_ctrl_handler_init(hdl, 4);
|
||||
v4l2_ctrl_new_std(hdl, &adv7183_ctrl_ops,
|
||||
V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
|
||||
v4l2_ctrl_new_std(hdl, &adv7183_ctrl_ops,
|
||||
V4L2_CID_CONTRAST, 0, 0xFF, 1, 0x80);
|
||||
v4l2_ctrl_new_std(hdl, &adv7183_ctrl_ops,
|
||||
V4L2_CID_SATURATION, 0, 0xFFFF, 1, 0x8080);
|
||||
v4l2_ctrl_new_std(hdl, &adv7183_ctrl_ops,
|
||||
V4L2_CID_HUE, 0, 0xFFFF, 1, 0x8080);
|
||||
/* hook the control handler into the driver */
|
||||
sd->ctrl_handler = hdl;
|
||||
if (hdl->error) {
|
||||
ret = hdl->error;
|
||||
|
||||
v4l2_ctrl_handler_free(hdl);
|
||||
goto err_free_oe;
|
||||
}
|
||||
|
||||
/* v4l2 doesn't support an autodetect standard, pick PAL as default */
|
||||
decoder->std = V4L2_STD_PAL;
|
||||
decoder->input = ADV7183_COMPOSITE4;
|
||||
decoder->output = ADV7183_8BIT_OUT;
|
||||
|
||||
gpio_direction_output(decoder->oe_pin, 1);
|
||||
/* reset chip */
|
||||
gpio_direction_output(decoder->reset_pin, 0);
|
||||
/* reset pulse width at least 5ms */
|
||||
mdelay(10);
|
||||
gpio_direction_output(decoder->reset_pin, 1);
|
||||
/* wait 5ms before any further i2c writes are performed */
|
||||
mdelay(5);
|
||||
|
||||
adv7183_writeregs(sd, adv7183_init_regs, ARRAY_SIZE(adv7183_init_regs));
|
||||
adv7183_s_std(sd, decoder->std);
|
||||
fmt.width = 720;
|
||||
fmt.height = 576;
|
||||
adv7183_s_mbus_fmt(sd, &fmt);
|
||||
|
||||
/* initialize the hardware to the default control values */
|
||||
ret = v4l2_ctrl_handler_setup(hdl);
|
||||
if (ret) {
|
||||
v4l2_ctrl_handler_free(hdl);
|
||||
goto err_free_oe;
|
||||
}
|
||||
|
||||
return 0;
|
||||
err_free_oe:
|
||||
gpio_free(decoder->oe_pin);
|
||||
err_free_reset:
|
||||
gpio_free(decoder->reset_pin);
|
||||
err_free_decoder:
|
||||
kfree(decoder);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int adv7183_remove(struct i2c_client *client)
|
||||
{
|
||||
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
||||
struct adv7183 *decoder = to_adv7183(sd);
|
||||
|
||||
v4l2_device_unregister_subdev(sd);
|
||||
v4l2_ctrl_handler_free(sd->ctrl_handler);
|
||||
gpio_free(decoder->oe_pin);
|
||||
gpio_free(decoder->reset_pin);
|
||||
kfree(decoder);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id adv7183_id[] = {
|
||||
{"adv7183", 0},
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(i2c, adv7183_id);
|
||||
|
||||
static struct i2c_driver adv7183_driver = {
|
||||
.driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = "adv7183",
|
||||
},
|
||||
.probe = adv7183_probe,
|
||||
.remove = __devexit_p(adv7183_remove),
|
||||
.id_table = adv7183_id,
|
||||
};
|
||||
|
||||
static __init int adv7183_init(void)
|
||||
{
|
||||
return i2c_add_driver(&adv7183_driver);
|
||||
}
|
||||
|
||||
static __exit void adv7183_exit(void)
|
||||
{
|
||||
i2c_del_driver(&adv7183_driver);
|
||||
}
|
||||
|
||||
module_init(adv7183_init);
|
||||
module_exit(adv7183_exit);
|
||||
|
||||
MODULE_DESCRIPTION("Analog Devices ADV7183 video decoder driver");
|
||||
MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
|
|
@ -0,0 +1,107 @@
|
|||
/*
|
||||
* adv7183 - Analog Devices ADV7183 video decoder registers
|
||||
*
|
||||
* Copyright (c) 2011 Analog Devices Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ADV7183_REGS_H_
|
||||
#define _ADV7183_REGS_H_
|
||||
|
||||
#define ADV7183_IN_CTRL 0x00 /* Input control */
|
||||
#define ADV7183_VD_SEL 0x01 /* Video selection */
|
||||
#define ADV7183_OUT_CTRL 0x03 /* Output control */
|
||||
#define ADV7183_EXT_OUT_CTRL 0x04 /* Extended output control */
|
||||
#define ADV7183_AUTO_DET_EN 0x07 /* Autodetect enable */
|
||||
#define ADV7183_CONTRAST 0x08 /* Contrast */
|
||||
#define ADV7183_BRIGHTNESS 0x0A /* Brightness */
|
||||
#define ADV7183_HUE 0x0B /* Hue */
|
||||
#define ADV7183_DEF_Y 0x0C /* Default value Y */
|
||||
#define ADV7183_DEF_C 0x0D /* Default value C */
|
||||
#define ADV7183_ADI_CTRL 0x0E /* ADI control */
|
||||
#define ADV7183_POW_MANAGE 0x0F /* Power Management */
|
||||
#define ADV7183_STATUS_1 0x10 /* Status 1 */
|
||||
#define ADV7183_IDENT 0x11 /* Ident */
|
||||
#define ADV7183_STATUS_2 0x12 /* Status 2 */
|
||||
#define ADV7183_STATUS_3 0x13 /* Status 3 */
|
||||
#define ADV7183_ANAL_CLAMP_CTRL 0x14 /* Analog clamp control */
|
||||
#define ADV7183_DIGI_CLAMP_CTRL_1 0x15 /* Digital clamp control 1 */
|
||||
#define ADV7183_SHAP_FILT_CTRL 0x17 /* Shaping filter control */
|
||||
#define ADV7183_SHAP_FILT_CTRL_2 0x18 /* Shaping filter control 2 */
|
||||
#define ADV7183_COMB_FILT_CTRL 0x19 /* Comb filter control */
|
||||
#define ADV7183_ADI_CTRL_2 0x1D /* ADI control 2 */
|
||||
#define ADV7183_PIX_DELAY_CTRL 0x27 /* Pixel delay control */
|
||||
#define ADV7183_MISC_GAIN_CTRL 0x2B /* Misc gain control */
|
||||
#define ADV7183_AGC_MODE_CTRL 0x2C /* AGC mode control */
|
||||
#define ADV7183_CHRO_GAIN_CTRL_1 0x2D /* Chroma gain control 1 */
|
||||
#define ADV7183_CHRO_GAIN_CTRL_2 0x2E /* Chroma gain control 2 */
|
||||
#define ADV7183_LUMA_GAIN_CTRL_1 0x2F /* Luma gain control 1 */
|
||||
#define ADV7183_LUMA_GAIN_CTRL_2 0x30 /* Luma gain control 2 */
|
||||
#define ADV7183_VS_FIELD_CTRL_1 0x31 /* Vsync field control 1 */
|
||||
#define ADV7183_VS_FIELD_CTRL_2 0x32 /* Vsync field control 2 */
|
||||
#define ADV7183_VS_FIELD_CTRL_3 0x33 /* Vsync field control 3 */
|
||||
#define ADV7183_HS_POS_CTRL_1 0x34 /* Hsync positon control 1 */
|
||||
#define ADV7183_HS_POS_CTRL_2 0x35 /* Hsync positon control 2 */
|
||||
#define ADV7183_HS_POS_CTRL_3 0x36 /* Hsync positon control 3 */
|
||||
#define ADV7183_POLARITY 0x37 /* Polarity */
|
||||
#define ADV7183_NTSC_COMB_CTRL 0x38 /* NTSC comb control */
|
||||
#define ADV7183_PAL_COMB_CTRL 0x39 /* PAL comb control */
|
||||
#define ADV7183_ADC_CTRL 0x3A /* ADC control */
|
||||
#define ADV7183_MAN_WIN_CTRL 0x3D /* Manual window control */
|
||||
#define ADV7183_RESAMPLE_CTRL 0x41 /* Resample control */
|
||||
#define ADV7183_GEMSTAR_CTRL_1 0x48 /* Gemstar ctrl 1 */
|
||||
#define ADV7183_GEMSTAR_CTRL_2 0x49 /* Gemstar ctrl 2 */
|
||||
#define ADV7183_GEMSTAR_CTRL_3 0x4A /* Gemstar ctrl 3 */
|
||||
#define ADV7183_GEMSTAR_CTRL_4 0x4B /* Gemstar ctrl 4 */
|
||||
#define ADV7183_GEMSTAR_CTRL_5 0x4C /* Gemstar ctrl 5 */
|
||||
#define ADV7183_CTI_DNR_CTRL_1 0x4D /* CTI DNR ctrl 1 */
|
||||
#define ADV7183_CTI_DNR_CTRL_2 0x4E /* CTI DNR ctrl 2 */
|
||||
#define ADV7183_CTI_DNR_CTRL_4 0x50 /* CTI DNR ctrl 4 */
|
||||
#define ADV7183_LOCK_CNT 0x51 /* Lock count */
|
||||
#define ADV7183_FREE_LINE_LEN 0x8F /* Free-Run line length 1 */
|
||||
#define ADV7183_VBI_INFO 0x90 /* VBI info */
|
||||
#define ADV7183_WSS_1 0x91 /* WSS 1 */
|
||||
#define ADV7183_WSS_2 0x92 /* WSS 2 */
|
||||
#define ADV7183_EDTV_1 0x93 /* EDTV 1 */
|
||||
#define ADV7183_EDTV_2 0x94 /* EDTV 2 */
|
||||
#define ADV7183_EDTV_3 0x95 /* EDTV 3 */
|
||||
#define ADV7183_CGMS_1 0x96 /* CGMS 1 */
|
||||
#define ADV7183_CGMS_2 0x97 /* CGMS 2 */
|
||||
#define ADV7183_CGMS_3 0x98 /* CGMS 3 */
|
||||
#define ADV7183_CCAP_1 0x99 /* CCAP 1 */
|
||||
#define ADV7183_CCAP_2 0x9A /* CCAP 2 */
|
||||
#define ADV7183_LETTERBOX_1 0x9B /* Letterbox 1 */
|
||||
#define ADV7183_LETTERBOX_2 0x9C /* Letterbox 2 */
|
||||
#define ADV7183_LETTERBOX_3 0x9D /* Letterbox 3 */
|
||||
#define ADV7183_CRC_EN 0xB2 /* CRC enable */
|
||||
#define ADV7183_ADC_SWITCH_1 0xC3 /* ADC switch 1 */
|
||||
#define ADV7183_ADC_SWITCH_2 0xC4 /* ADC swithc 2 */
|
||||
#define ADV7183_LETTERBOX_CTRL_1 0xDC /* Letterbox control 1 */
|
||||
#define ADV7183_LETTERBOX_CTRL_2 0xDD /* Letterbox control 2 */
|
||||
#define ADV7183_SD_OFFSET_CB 0xE1 /* SD offset Cb */
|
||||
#define ADV7183_SD_OFFSET_CR 0xE2 /* SD offset Cr */
|
||||
#define ADV7183_SD_SATURATION_CB 0xE3 /* SD saturation Cb */
|
||||
#define ADV7183_SD_SATURATION_CR 0xE4 /* SD saturation Cr */
|
||||
#define ADV7183_NTSC_V_BEGIN 0xE5 /* NTSC V bit begin */
|
||||
#define ADV7183_NTSC_V_END 0xE6 /* NTSC V bit end */
|
||||
#define ADV7183_NTSC_F_TOGGLE 0xE7 /* NTSC F bit toggle */
|
||||
#define ADV7183_PAL_V_BEGIN 0xE8 /* PAL V bit begin */
|
||||
#define ADV7183_PAL_V_END 0xE9 /* PAL V bit end */
|
||||
#define ADV7183_PAL_F_TOGGLE 0xEA /* PAL F bit toggle */
|
||||
#define ADV7183_DRIVE_STR 0xF4 /* Drive strength */
|
||||
#define ADV7183_IF_COMP_CTRL 0xF8 /* IF comp control */
|
||||
#define ADV7183_VS_MODE_CTRL 0xF9 /* VS mode control */
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
/*
|
||||
* adv7183.h - definition for adv7183 inputs and outputs
|
||||
*
|
||||
* Copyright (c) 2011 Analog Devices Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ADV7183_H_
|
||||
#define _ADV7183_H_
|
||||
|
||||
/* ADV7183 HW inputs */
|
||||
#define ADV7183_COMPOSITE0 0 /* CVBS in on AIN1 */
|
||||
#define ADV7183_COMPOSITE1 1 /* CVBS in on AIN2 */
|
||||
#define ADV7183_COMPOSITE2 2 /* CVBS in on AIN3 */
|
||||
#define ADV7183_COMPOSITE3 3 /* CVBS in on AIN4 */
|
||||
#define ADV7183_COMPOSITE4 4 /* CVBS in on AIN5 */
|
||||
#define ADV7183_COMPOSITE5 5 /* CVBS in on AIN6 */
|
||||
#define ADV7183_COMPOSITE6 6 /* CVBS in on AIN7 */
|
||||
#define ADV7183_COMPOSITE7 7 /* CVBS in on AIN8 */
|
||||
#define ADV7183_COMPOSITE8 8 /* CVBS in on AIN9 */
|
||||
#define ADV7183_COMPOSITE9 9 /* CVBS in on AIN10 */
|
||||
#define ADV7183_COMPOSITE10 10 /* CVBS in on AIN11 */
|
||||
|
||||
#define ADV7183_SVIDEO0 11 /* Y on AIN1, C on AIN4 */
|
||||
#define ADV7183_SVIDEO1 12 /* Y on AIN2, C on AIN5 */
|
||||
#define ADV7183_SVIDEO2 13 /* Y on AIN3, C on AIN6 */
|
||||
|
||||
#define ADV7183_COMPONENT0 14 /* Y on AIN1, Pr on AIN4, Pb on AIN5 */
|
||||
#define ADV7183_COMPONENT1 15 /* Y on AIN2, Pr on AIN3, Pb on AIN6 */
|
||||
|
||||
/* ADV7183 HW outputs */
|
||||
#define ADV7183_8BIT_OUT 0
|
||||
#define ADV7183_16BIT_OUT 1
|
||||
|
||||
#endif
|
||||
|
|
@ -162,6 +162,9 @@ enum {
|
|||
/* module adv7180: just ident 7180 */
|
||||
V4L2_IDENT_ADV7180 = 7180,
|
||||
|
||||
/* module adv7183: just ident 7183 */
|
||||
V4L2_IDENT_ADV7183 = 7183,
|
||||
|
||||
/* module saa7185: just ident 7185 */
|
||||
V4L2_IDENT_SAA7185 = 7185,
|
||||
|
||||
|
|
|
|||
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