![Federico Vaga](/assets/img/avatar_default.png)
[mchehab@redhat.com: fix checkpatch.pl ERROR: Macros with complex values should be enclosed in parenthesis] Signed-off-by: Federico Vaga <federico.vaga@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
668 lines
17 KiB
C
668 lines
17 KiB
C
/*
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* adv7180.c Analog Devices ADV7180 video decoder driver
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* Copyright (c) 2009 Intel Corporation
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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/module.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/interrupt.h>
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#include <linux/i2c.h>
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#include <linux/slab.h>
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#include <media/v4l2-ioctl.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-chip-ident.h>
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#include <linux/mutex.h>
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#define ADV7180_INPUT_CONTROL_REG 0x00
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#define ADV7180_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM 0x00
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#define ADV7180_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM_PED 0x10
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#define ADV7180_INPUT_CONTROL_AD_PAL_N_NTSC_J_SECAM 0x20
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#define ADV7180_INPUT_CONTROL_AD_PAL_N_NTSC_M_SECAM 0x30
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#define ADV7180_INPUT_CONTROL_NTSC_J 0x40
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#define ADV7180_INPUT_CONTROL_NTSC_M 0x50
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#define ADV7180_INPUT_CONTROL_PAL60 0x60
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#define ADV7180_INPUT_CONTROL_NTSC_443 0x70
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#define ADV7180_INPUT_CONTROL_PAL_BG 0x80
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#define ADV7180_INPUT_CONTROL_PAL_N 0x90
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#define ADV7180_INPUT_CONTROL_PAL_M 0xa0
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#define ADV7180_INPUT_CONTROL_PAL_M_PED 0xb0
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#define ADV7180_INPUT_CONTROL_PAL_COMB_N 0xc0
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#define ADV7180_INPUT_CONTROL_PAL_COMB_N_PED 0xd0
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#define ADV7180_INPUT_CONTROL_PAL_SECAM 0xe0
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#define ADV7180_INPUT_CONTROL_PAL_SECAM_PED 0xf0
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#define ADV7180_INPUT_CONTROL_INSEL_MASK 0x0f
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#define ADV7180_EXTENDED_OUTPUT_CONTROL_REG 0x04
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#define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
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#define ADV7180_AUTODETECT_ENABLE_REG 0x07
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#define ADV7180_AUTODETECT_DEFAULT 0x7f
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/* Contrast */
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#define ADV7180_CON_REG 0x08 /*Unsigned */
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#define ADV7180_CON_MIN 0
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#define ADV7180_CON_DEF 128
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#define ADV7180_CON_MAX 255
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/* Brightness*/
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#define ADV7180_BRI_REG 0x0a /*Signed */
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#define ADV7180_BRI_MIN -128
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#define ADV7180_BRI_DEF 0
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#define ADV7180_BRI_MAX 127
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/* Hue */
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#define ADV7180_HUE_REG 0x0b /*Signed, inverted */
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#define ADV7180_HUE_MIN -127
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#define ADV7180_HUE_DEF 0
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#define ADV7180_HUE_MAX 128
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#define ADV7180_ADI_CTRL_REG 0x0e
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#define ADV7180_ADI_CTRL_IRQ_SPACE 0x20
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#define ADV7180_PWR_MAN_REG 0x0f
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#define ADV7180_PWR_MAN_ON 0x04
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#define ADV7180_PWR_MAN_OFF 0x24
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#define ADV7180_PWR_MAN_RES 0x80
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#define ADV7180_STATUS1_REG 0x10
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#define ADV7180_STATUS1_IN_LOCK 0x01
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#define ADV7180_STATUS1_AUTOD_MASK 0x70
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#define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
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#define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
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#define ADV7180_STATUS1_AUTOD_PAL_M 0x20
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#define ADV7180_STATUS1_AUTOD_PAL_60 0x30
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#define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
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#define ADV7180_STATUS1_AUTOD_SECAM 0x50
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#define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
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#define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
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#define ADV7180_IDENT_REG 0x11
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#define ADV7180_ID_7180 0x18
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#define ADV7180_ICONF1_ADI 0x40
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#define ADV7180_ICONF1_ACTIVE_LOW 0x01
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#define ADV7180_ICONF1_PSYNC_ONLY 0x10
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#define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
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/* Saturation */
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#define ADV7180_SD_SAT_CB_REG 0xe3 /*Unsigned */
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#define ADV7180_SD_SAT_CR_REG 0xe4 /*Unsigned */
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#define ADV7180_SAT_MIN 0
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#define ADV7180_SAT_DEF 128
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#define ADV7180_SAT_MAX 255
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#define ADV7180_IRQ1_LOCK 0x01
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#define ADV7180_IRQ1_UNLOCK 0x02
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#define ADV7180_ISR1_ADI 0x42
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#define ADV7180_ICR1_ADI 0x43
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#define ADV7180_IMR1_ADI 0x44
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#define ADV7180_IMR2_ADI 0x48
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#define ADV7180_IRQ3_AD_CHANGE 0x08
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#define ADV7180_ISR3_ADI 0x4A
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#define ADV7180_ICR3_ADI 0x4B
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#define ADV7180_IMR3_ADI 0x4C
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#define ADV7180_IMR4_ADI 0x50
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#define ADV7180_NTSC_V_BIT_END_REG 0xE6
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#define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
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struct adv7180_state {
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struct v4l2_ctrl_handler ctrl_hdl;
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struct v4l2_subdev sd;
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struct work_struct work;
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struct mutex mutex; /* mutual excl. when accessing chip */
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int irq;
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v4l2_std_id curr_norm;
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bool autodetect;
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u8 input;
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};
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#define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
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struct adv7180_state, \
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ctrl_hdl)->sd)
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static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
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{
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switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
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case ADV7180_STATUS1_AUTOD_NTSM_M_J:
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return V4L2_STD_NTSC;
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case ADV7180_STATUS1_AUTOD_NTSC_4_43:
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return V4L2_STD_NTSC_443;
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case ADV7180_STATUS1_AUTOD_PAL_M:
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return V4L2_STD_PAL_M;
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case ADV7180_STATUS1_AUTOD_PAL_60:
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return V4L2_STD_PAL_60;
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case ADV7180_STATUS1_AUTOD_PAL_B_G:
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return V4L2_STD_PAL;
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case ADV7180_STATUS1_AUTOD_SECAM:
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return V4L2_STD_SECAM;
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case ADV7180_STATUS1_AUTOD_PAL_COMB:
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return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
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case ADV7180_STATUS1_AUTOD_SECAM_525:
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return V4L2_STD_SECAM;
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default:
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return V4L2_STD_UNKNOWN;
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}
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}
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static int v4l2_std_to_adv7180(v4l2_std_id std)
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{
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if (std == V4L2_STD_PAL_60)
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return ADV7180_INPUT_CONTROL_PAL60;
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if (std == V4L2_STD_NTSC_443)
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return ADV7180_INPUT_CONTROL_NTSC_443;
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if (std == V4L2_STD_PAL_N)
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return ADV7180_INPUT_CONTROL_PAL_N;
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if (std == V4L2_STD_PAL_M)
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return ADV7180_INPUT_CONTROL_PAL_M;
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if (std == V4L2_STD_PAL_Nc)
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return ADV7180_INPUT_CONTROL_PAL_COMB_N;
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if (std & V4L2_STD_PAL)
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return ADV7180_INPUT_CONTROL_PAL_BG;
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if (std & V4L2_STD_NTSC)
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return ADV7180_INPUT_CONTROL_NTSC_M;
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if (std & V4L2_STD_SECAM)
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return ADV7180_INPUT_CONTROL_PAL_SECAM;
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return -EINVAL;
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}
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static u32 adv7180_status_to_v4l2(u8 status1)
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{
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if (!(status1 & ADV7180_STATUS1_IN_LOCK))
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return V4L2_IN_ST_NO_SIGNAL;
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return 0;
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}
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static int __adv7180_status(struct i2c_client *client, u32 *status,
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v4l2_std_id *std)
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{
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int status1 = i2c_smbus_read_byte_data(client, ADV7180_STATUS1_REG);
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if (status1 < 0)
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return status1;
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if (status)
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*status = adv7180_status_to_v4l2(status1);
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if (std)
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*std = adv7180_std_to_v4l2(status1);
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return 0;
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}
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static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct adv7180_state, sd);
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}
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static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
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{
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struct adv7180_state *state = to_state(sd);
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int err = mutex_lock_interruptible(&state->mutex);
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if (err)
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return err;
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/* when we are interrupt driven we know the state */
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if (!state->autodetect || state->irq > 0)
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*std = state->curr_norm;
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else
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err = __adv7180_status(v4l2_get_subdevdata(sd), NULL, std);
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mutex_unlock(&state->mutex);
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return err;
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}
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static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
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u32 output, u32 config)
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{
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struct adv7180_state *state = to_state(sd);
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int ret = mutex_lock_interruptible(&state->mutex);
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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if (ret)
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return ret;
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/* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
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* all inputs and let the card driver take care of validation
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*/
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if ((input & ADV7180_INPUT_CONTROL_INSEL_MASK) != input)
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goto out;
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ret = i2c_smbus_read_byte_data(client, ADV7180_INPUT_CONTROL_REG);
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if (ret < 0)
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goto out;
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ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
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ret = i2c_smbus_write_byte_data(client,
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ADV7180_INPUT_CONTROL_REG, ret | input);
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state->input = input;
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out:
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mutex_unlock(&state->mutex);
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return ret;
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}
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static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
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{
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struct adv7180_state *state = to_state(sd);
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int ret = mutex_lock_interruptible(&state->mutex);
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if (ret)
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return ret;
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ret = __adv7180_status(v4l2_get_subdevdata(sd), status, NULL);
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mutex_unlock(&state->mutex);
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return ret;
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}
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static int adv7180_g_chip_ident(struct v4l2_subdev *sd,
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struct v4l2_dbg_chip_ident *chip)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7180, 0);
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}
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static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
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{
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struct adv7180_state *state = to_state(sd);
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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int ret = mutex_lock_interruptible(&state->mutex);
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if (ret)
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return ret;
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/* all standards -> autodetect */
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if (std == V4L2_STD_ALL) {
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ret =
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i2c_smbus_write_byte_data(client, ADV7180_INPUT_CONTROL_REG,
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ADV7180_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM
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| state->input);
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if (ret < 0)
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goto out;
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__adv7180_status(client, NULL, &state->curr_norm);
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state->autodetect = true;
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} else {
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ret = v4l2_std_to_adv7180(std);
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if (ret < 0)
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goto out;
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ret = i2c_smbus_write_byte_data(client,
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ADV7180_INPUT_CONTROL_REG,
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ret | state->input);
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if (ret < 0)
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goto out;
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state->curr_norm = std;
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state->autodetect = false;
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}
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ret = 0;
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out:
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mutex_unlock(&state->mutex);
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return ret;
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}
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static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
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struct adv7180_state *state = to_state(sd);
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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int ret = mutex_lock_interruptible(&state->mutex);
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int val;
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if (ret)
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return ret;
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val = ctrl->val;
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switch (ctrl->id) {
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case V4L2_CID_BRIGHTNESS:
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ret = i2c_smbus_write_byte_data(client, ADV7180_BRI_REG, val);
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break;
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case V4L2_CID_HUE:
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/*Hue is inverted according to HSL chart */
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ret = i2c_smbus_write_byte_data(client, ADV7180_HUE_REG, -val);
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break;
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case V4L2_CID_CONTRAST:
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ret = i2c_smbus_write_byte_data(client, ADV7180_CON_REG, val);
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break;
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case V4L2_CID_SATURATION:
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/*
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*This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
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*Let's not confuse the user, everybody understands saturation
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*/
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ret = i2c_smbus_write_byte_data(client, ADV7180_SD_SAT_CB_REG,
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val);
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if (ret < 0)
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break;
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ret = i2c_smbus_write_byte_data(client, ADV7180_SD_SAT_CR_REG,
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val);
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break;
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default:
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ret = -EINVAL;
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}
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mutex_unlock(&state->mutex);
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return ret;
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}
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static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
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.s_ctrl = adv7180_s_ctrl,
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};
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static int adv7180_init_controls(struct adv7180_state *state)
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{
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v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
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v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
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V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
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ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
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v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
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V4L2_CID_CONTRAST, ADV7180_CON_MIN,
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ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
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v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
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V4L2_CID_SATURATION, ADV7180_SAT_MIN,
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ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
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v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
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V4L2_CID_HUE, ADV7180_HUE_MIN,
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ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
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state->sd.ctrl_handler = &state->ctrl_hdl;
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if (state->ctrl_hdl.error) {
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int err = state->ctrl_hdl.error;
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v4l2_ctrl_handler_free(&state->ctrl_hdl);
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return err;
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}
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v4l2_ctrl_handler_setup(&state->ctrl_hdl);
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return 0;
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}
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static void adv7180_exit_controls(struct adv7180_state *state)
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{
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v4l2_ctrl_handler_free(&state->ctrl_hdl);
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}
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static const struct v4l2_subdev_video_ops adv7180_video_ops = {
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.querystd = adv7180_querystd,
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.g_input_status = adv7180_g_input_status,
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.s_routing = adv7180_s_routing,
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};
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static const struct v4l2_subdev_core_ops adv7180_core_ops = {
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.g_chip_ident = adv7180_g_chip_ident,
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.s_std = adv7180_s_std,
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.queryctrl = v4l2_subdev_queryctrl,
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.g_ctrl = v4l2_subdev_g_ctrl,
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.s_ctrl = v4l2_subdev_s_ctrl,
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};
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static const struct v4l2_subdev_ops adv7180_ops = {
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.core = &adv7180_core_ops,
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.video = &adv7180_video_ops,
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};
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static void adv7180_work(struct work_struct *work)
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{
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struct adv7180_state *state = container_of(work, struct adv7180_state,
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work);
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struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
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u8 isr3;
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mutex_lock(&state->mutex);
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i2c_smbus_write_byte_data(client, ADV7180_ADI_CTRL_REG,
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ADV7180_ADI_CTRL_IRQ_SPACE);
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isr3 = i2c_smbus_read_byte_data(client, ADV7180_ISR3_ADI);
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/* clear */
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i2c_smbus_write_byte_data(client, ADV7180_ICR3_ADI, isr3);
|
|
i2c_smbus_write_byte_data(client, ADV7180_ADI_CTRL_REG, 0);
|
|
|
|
if (isr3 & ADV7180_IRQ3_AD_CHANGE && state->autodetect)
|
|
__adv7180_status(client, NULL, &state->curr_norm);
|
|
mutex_unlock(&state->mutex);
|
|
|
|
enable_irq(state->irq);
|
|
}
|
|
|
|
static irqreturn_t adv7180_irq(int irq, void *devid)
|
|
{
|
|
struct adv7180_state *state = devid;
|
|
|
|
schedule_work(&state->work);
|
|
|
|
disable_irq_nosync(state->irq);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int init_device(struct i2c_client *client, struct adv7180_state *state)
|
|
{
|
|
int ret;
|
|
|
|
/* Initialize adv7180 */
|
|
/* Enable autodetection */
|
|
if (state->autodetect) {
|
|
ret =
|
|
i2c_smbus_write_byte_data(client, ADV7180_INPUT_CONTROL_REG,
|
|
ADV7180_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM
|
|
| state->input);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret =
|
|
i2c_smbus_write_byte_data(client,
|
|
ADV7180_AUTODETECT_ENABLE_REG,
|
|
ADV7180_AUTODETECT_DEFAULT);
|
|
if (ret < 0)
|
|
return ret;
|
|
} else {
|
|
ret = v4l2_std_to_adv7180(state->curr_norm);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret =
|
|
i2c_smbus_write_byte_data(client, ADV7180_INPUT_CONTROL_REG,
|
|
ret | state->input);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
}
|
|
/* ITU-R BT.656-4 compatible */
|
|
ret = i2c_smbus_write_byte_data(client,
|
|
ADV7180_EXTENDED_OUTPUT_CONTROL_REG,
|
|
ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Manually set V bit end position in NTSC mode */
|
|
ret = i2c_smbus_write_byte_data(client,
|
|
ADV7180_NTSC_V_BIT_END_REG,
|
|
ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* read current norm */
|
|
__adv7180_status(client, NULL, &state->curr_norm);
|
|
|
|
/* register for interrupts */
|
|
if (state->irq > 0) {
|
|
ret = request_irq(state->irq, adv7180_irq, 0, KBUILD_MODNAME,
|
|
state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_ADI_CTRL_REG,
|
|
ADV7180_ADI_CTRL_IRQ_SPACE);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* config the Interrupt pin to be active low */
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_ICONF1_ADI,
|
|
ADV7180_ICONF1_ACTIVE_LOW |
|
|
ADV7180_ICONF1_PSYNC_ONLY);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_IMR1_ADI, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_IMR2_ADI, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* enable AD change interrupts interrupts */
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_IMR3_ADI,
|
|
ADV7180_IRQ3_AD_CHANGE);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_IMR4_ADI, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_ADI_CTRL_REG,
|
|
0);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __devinit int adv7180_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct adv7180_state *state;
|
|
struct v4l2_subdev *sd;
|
|
int ret;
|
|
|
|
/* 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, client->adapter->name);
|
|
|
|
state = kzalloc(sizeof(struct adv7180_state), GFP_KERNEL);
|
|
if (state == NULL) {
|
|
ret = -ENOMEM;
|
|
goto err;
|
|
}
|
|
|
|
state->irq = client->irq;
|
|
INIT_WORK(&state->work, adv7180_work);
|
|
mutex_init(&state->mutex);
|
|
state->autodetect = true;
|
|
state->input = 0;
|
|
sd = &state->sd;
|
|
v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
|
|
|
|
ret = adv7180_init_controls(state);
|
|
if (ret)
|
|
goto err_unreg_subdev;
|
|
ret = init_device(client, state);
|
|
if (ret)
|
|
goto err_free_ctrl;
|
|
return 0;
|
|
|
|
err_free_ctrl:
|
|
adv7180_exit_controls(state);
|
|
err_unreg_subdev:
|
|
mutex_destroy(&state->mutex);
|
|
v4l2_device_unregister_subdev(sd);
|
|
kfree(state);
|
|
err:
|
|
printk(KERN_ERR KBUILD_MODNAME ": Failed to probe: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
static __devexit int adv7180_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
if (state->irq > 0) {
|
|
free_irq(client->irq, state);
|
|
if (cancel_work_sync(&state->work)) {
|
|
/*
|
|
* Work was pending, therefore we need to enable
|
|
* IRQ here to balance the disable_irq() done in the
|
|
* interrupt handler.
|
|
*/
|
|
enable_irq(state->irq);
|
|
}
|
|
}
|
|
|
|
mutex_destroy(&state->mutex);
|
|
v4l2_device_unregister_subdev(sd);
|
|
kfree(to_state(sd));
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id adv7180_id[] = {
|
|
{KBUILD_MODNAME, 0},
|
|
{},
|
|
};
|
|
|
|
#ifdef CONFIG_PM
|
|
static int adv7180_suspend(struct i2c_client *client, pm_message_t state)
|
|
{
|
|
int ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_PWR_MAN_REG,
|
|
ADV7180_PWR_MAN_OFF);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_resume(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct adv7180_state *state = to_state(sd);
|
|
int ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, ADV7180_PWR_MAN_REG,
|
|
ADV7180_PWR_MAN_ON);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = init_device(client, state);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
MODULE_DEVICE_TABLE(i2c, adv7180_id);
|
|
|
|
static struct i2c_driver adv7180_driver = {
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = KBUILD_MODNAME,
|
|
},
|
|
.probe = adv7180_probe,
|
|
.remove = __devexit_p(adv7180_remove),
|
|
#ifdef CONFIG_PM
|
|
.suspend = adv7180_suspend,
|
|
.resume = adv7180_resume,
|
|
#endif
|
|
.id_table = adv7180_id,
|
|
};
|
|
|
|
module_i2c_driver(adv7180_driver);
|
|
|
|
MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
|
|
MODULE_AUTHOR("Mocean Laboratories");
|
|
MODULE_LICENSE("GPL v2");
|