diff options
-rw-r--r-- | arch/arm/mach-tegra/board-ardbeg-sensors.c | 44 | ||||
-rw-r--r-- | drivers/media/i2c/soc_camera/Kconfig | 6 | ||||
-rw-r--r-- | drivers/media/i2c/soc_camera/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/i2c/soc_camera/adv7280.c | 833 |
4 files changed, 884 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-ardbeg-sensors.c b/arch/arm/mach-tegra/board-ardbeg-sensors.c index 54a19d25a748..420e5f4cc2f2 100644 --- a/arch/arm/mach-tegra/board-ardbeg-sensors.c +++ b/arch/arm/mach-tegra/board-ardbeg-sensors.c @@ -485,6 +485,47 @@ static struct platform_device ardbeg_tc358743_soc_camera_device = { }; #endif +#if IS_ENABLED(CONFIG_SOC_CAMERA_ADV7280) +static int ardbeg_adv7280_power(struct device *dev, int enable) +{ + if(enable) { + tegra_io_dpd_disable(&csia_io); + } else { + tegra_io_dpd_enable(&csia_io); + } + return 0; +} + +static struct i2c_board_info ardbeg_adv7280_camera_i2c_device = { + I2C_BOARD_INFO("adv7280", 0x21), +}; + +static struct tegra_camera_platform_data ardbeg_adv7280_camera_platform_data = { + .flip_v = 0, + .flip_h = 0, + .port = TEGRA_CAMERA_PORT_CSI_A, + .lanes = 1, + .continuous_clk = 0, +}; + +static struct soc_camera_link adv7280_iclink = { + .bus_id = 0, /* This must match the .id of tegra_vi01_device */ + .board_info = &ardbeg_adv7280_camera_i2c_device, + .module_name = "adv7280", + .i2c_adapter_id = 2, + .power = ardbeg_adv7280_power, + .priv = &ardbeg_adv7280_camera_platform_data, +}; + +static struct platform_device ardbeg_adv7280_soc_camera_device = { + .name = "soc-camera-pdrv", + .id = 5, + .dev = { + .platform_data = &adv7280_iclink, + }, +}; +#endif + static struct regulator *ardbeg_vcmvdd; static int ardbeg_get_extra_regulators(void) @@ -1696,6 +1737,9 @@ static int ardbeg_camera_init(void) #if IS_ENABLED(CONFIG_SOC_CAMERA_TC358743) platform_device_register(&ardbeg_tc358743_soc_camera_device); #endif +#if IS_ENABLED(CONFIG_SOC_CAMERA_ADV7280) + platform_device_register(&ardbeg_adv7280_soc_camera_device); +#endif return 0; } diff --git a/drivers/media/i2c/soc_camera/Kconfig b/drivers/media/i2c/soc_camera/Kconfig index b152f8cf5b42..085553dc2d00 100644 --- a/drivers/media/i2c/soc_camera/Kconfig +++ b/drivers/media/i2c/soc_camera/Kconfig @@ -127,3 +127,9 @@ config SOC_CAMERA_TC358743 depends on SOC_CAMERA && I2C help This is a tc358743 video driver + +config SOC_CAMERA_ADV7280 + tristate "adv7280m support" + depends on SOC_CAMERA && I2C + help + This is a adv7280 video decoder driver diff --git a/drivers/media/i2c/soc_camera/Makefile b/drivers/media/i2c/soc_camera/Makefile index 16fade344f97..9bf568334d84 100644 --- a/drivers/media/i2c/soc_camera/Makefile +++ b/drivers/media/i2c/soc_camera/Makefile @@ -19,3 +19,4 @@ obj-$(CONFIG_SOC_CAMERA_RJ54N1) += rj54n1cb0c.o obj-$(CONFIG_SOC_CAMERA_TW9910) += tw9910.o obj-$(CONFIG_SOC_CAMERA_AP1302) += ap1302.o obj-$(CONFIG_SOC_CAMERA_TC358743) += tc358743.o +obj-$(CONFIG_SOC_CAMERA_ADV7280) += adv7280.o diff --git a/drivers/media/i2c/soc_camera/adv7280.c b/drivers/media/i2c/soc_camera/adv7280.c new file mode 100644 index 000000000000..0cafa2d9961c --- /dev/null +++ b/drivers/media/i2c/soc_camera/adv7280.c @@ -0,0 +1,833 @@ +/* + * ADV7280 camera decoder driver, based on ADV7280 driver + * + * Copyright (c) 2014 Antmicro Ltd <www.antmicro.com> + * Based on ADV7180 video decoder driver, + * Copyright (c) 2009 Intel Corporation + * + * 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. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/slab.h> +#include <media/v4l2-ioctl.h> +#include <linux/videodev2.h> +#include <media/v4l2-device.h> +#include <media/v4l2-chip-ident.h> +#include <media/soc_camera.h> +#include <linux/mutex.h> +#include <linux/delay.h> + +#define DRIVER_NAME "adv7280" + +#define HW_DEINT /* Enable hardware deinterlacer */ +#define CSI +#define VPP_SLAVE_ADDRESS 0x42 +#define CSI_SLAVE_ADDRESS 0x44 + +/* User Sub Map Regs */ +#define ADV7280_INPUT_CONTROL 0x00 +#define ADV7280_VIDEO_SELECTION_1 0x01 +#define ADV7280_VIDEO_SELECTION_2 0x02 +#define ADV7280_OUTPUT_CONTROL 0x03 +#define ADV7280_EXTENDED_OUTPUT_CONTROL 0x04 +#define ADV7280_AUTODETECT_ENABLE 0x07 +#define ADV7280_ADI_CONTROL_1 0x0E +#define ADV7280_POWER_MANAGEMENT 0x0F +#define ADV7280_STATUS_1 0x10 +#define ADV7280_IDENT 0x11 +#define ADV7280_SHAPING_FILTER_CONTROL_1 0x17 +#define ADV7280_ADI_CONTROL_2 0x1D +#define ADV7280_PIXEL_DELAY_CONTROL 0x27 +#define ADV7280_VPP_SLAVE_ADDRESS 0xFD +#define ADV7280_CSI_TX_SLAVE_ADDRESS 0xFE +#define ADV7280_OUTPUT_SYNC_SELECT_2 0x6B + +/* VPP regs (Video Postprocessor) */ +#define VPP_DEINT_RESET 0x41 +#define VPP_I2C_DEINT_ENABLE 0x55 +#define VPP_ADV_TIMING_MODE_EN 0x5B + +/* CSI regs (Camera Serial Interface, MIPI-CSI2) */ +#define CSI_CSITX_PWRDN 0x00 +#define CSI_DPHY_PWRDN_CTL 0xDE + +/* other */ +#define ADV7280_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5 +#define ADV7280_AUTODETECT_DEFAULT 0x7f + +#define ADV7280_INPUT_CONTROL_COMPOSITE_IN1 0x00 +#define ADV7280_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM 0x00 + +#define ADV7280_INPUT_CONTROL_NTSC_M 0x50 +#define ADV7280_INPUT_CONTROL_PAL60 0x60 +#define ADV7280_INPUT_CONTROL_NTSC_443 0x70 +#define ADV7280_INPUT_CONTROL_PAL_BG 0x80 +#define ADV7280_INPUT_CONTROL_PAL_N 0x90 +#define ADV7280_INPUT_CONTROL_PAL_M 0xa0 +#define ADV7280_INPUT_CONTROL_PAL_M_PED 0xb0 +#define ADV7280_INPUT_CONTROL_PAL_COMB_N 0xc0 +#define ADV7280_INPUT_CONTROL_PAL_COMB_N_PED 0xd0 +#define ADV7280_INPUT_CONTROL_PAL_SECAM 0xe0 + +#define ADV7280_ADI_CTRL_IRQ_SPACE 0x20 + +#define ADV7280_STATUS1_IN_LOCK 0x01 +#define ADV7280_STATUS1_AUTOD_MASK 0x70 +#define ADV7280_STATUS1_AUTOD_NTSM_M_J 0x00 +#define ADV7280_STATUS1_AUTOD_NTSC_4_43 0x10 +#define ADV7280_STATUS1_AUTOD_PAL_M 0x20 +#define ADV7280_STATUS1_AUTOD_PAL_60 0x30 +#define ADV7280_STATUS1_AUTOD_PAL_B_G 0x40 +#define ADV7280_STATUS1_AUTOD_SECAM 0x50 +#define ADV7280_STATUS1_AUTOD_PAL_COMB 0x60 +#define ADV7280_STATUS1_AUTOD_SECAM_525 0x70 + +#define ADV7280_ICONF1_ADI 0x40 +#define ADV7280_ICONF1_ACTIVE_LOW 0x01 +#define ADV7280_ICONF1_PSYNC_ONLY 0x10 + +#define ADV7280_IMR1_ADI 0x44 +#define ADV7280_IMR2_ADI 0x48 +#define ADV7280_IRQ3_AD_CHANGE 0x08 +#define ADV7280_ISR3_ADI 0x4A +#define ADV7280_ICR3_ADI 0x4B +#define ADV7280_IMR3_ADI 0x4C +#define ADV7280_IMR4_ADI 0x50 + +struct adv7280_state { + struct v4l2_subdev sd; + struct work_struct work; + struct mutex mutex; /* mutual excl. when accessing chip */ + int irq; + v4l2_std_id curr_norm; + bool autodetect; + int active_input; +}; + +static v4l2_std_id adv7280_std_to_v4l2(u8 status1) +{ + switch (status1 & ADV7280_STATUS1_AUTOD_MASK) { + case ADV7280_STATUS1_AUTOD_NTSM_M_J: + return V4L2_STD_NTSC; + case ADV7280_STATUS1_AUTOD_NTSC_4_43: + return V4L2_STD_NTSC_443; + case ADV7280_STATUS1_AUTOD_PAL_M: + return V4L2_STD_PAL_M; + case ADV7280_STATUS1_AUTOD_PAL_60: + return V4L2_STD_PAL_60; + case ADV7280_STATUS1_AUTOD_PAL_B_G: + return V4L2_STD_PAL; + case ADV7280_STATUS1_AUTOD_SECAM: + return V4L2_STD_SECAM; + case ADV7280_STATUS1_AUTOD_PAL_COMB: + return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N; + case ADV7280_STATUS1_AUTOD_SECAM_525: + return V4L2_STD_SECAM; + default: + return V4L2_STD_UNKNOWN; + } +} + +static int v4l2_std_to_adv7280(v4l2_std_id std) +{ + if (std == V4L2_STD_PAL_60) + return ADV7280_INPUT_CONTROL_PAL60; + if (std == V4L2_STD_NTSC_443) + return ADV7280_INPUT_CONTROL_NTSC_443; + if (std == V4L2_STD_PAL_N) + return ADV7280_INPUT_CONTROL_PAL_N; + if (std == V4L2_STD_PAL_M) + return ADV7280_INPUT_CONTROL_PAL_M; + if (std == V4L2_STD_PAL_Nc) + return ADV7280_INPUT_CONTROL_PAL_COMB_N; + + if (std & V4L2_STD_PAL) + return ADV7280_INPUT_CONTROL_PAL_BG; + if (std & V4L2_STD_NTSC) + return ADV7280_INPUT_CONTROL_NTSC_M; + if (std & V4L2_STD_SECAM) + return ADV7280_INPUT_CONTROL_PAL_SECAM; + + return -EINVAL; +} + +static int adv7280_write_reg(struct i2c_client *client, u8 reg, u8 val) +{ + i2c_smbus_write_byte_data(client, reg, val); + return 0; +} + +static u32 adv7280_status_to_v4l2(u8 status1) +{ + if (!(status1 & ADV7280_STATUS1_IN_LOCK)) + return V4L2_IN_ST_NO_SIGNAL; + + return 0; +} + +static int __adv7280_status(struct i2c_client *client, u32 *status, + v4l2_std_id *std) +{ + int status1 = i2c_smbus_read_byte_data(client, ADV7280_STATUS_1); + + if (status1 < 0) + return status1; + + if (status) + *status = adv7280_status_to_v4l2(status1); + if (std) + *std = adv7280_std_to_v4l2(status1); + + return 0; +} + +static inline struct adv7280_state *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct adv7280_state, sd); +} + +static int adv7280_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) +{ + struct adv7280_state *state = to_state(sd); + int err = mutex_lock_interruptible(&state->mutex); + if (err) + return err; + + /* when we are interrupt driven we know the state */ + if (!state->autodetect || state->irq > 0) + *std = state->curr_norm; + else + err = __adv7280_status(v4l2_get_subdevdata(sd), NULL, std); + + mutex_unlock(&state->mutex); + return err; +} + +static int adv7280_g_input_status(struct v4l2_subdev *sd, u32 *status) +{ + struct adv7280_state *state = to_state(sd); + int ret = mutex_lock_interruptible(&state->mutex); + if (ret) + return ret; + + ret = __adv7280_status(v4l2_get_subdevdata(sd), status, NULL); + mutex_unlock(&state->mutex); + return ret; +} + +/* +static int adv7280_g_chip_ident(struct v4l2_subdev *sd, + struct v4l2_dbg_chip_ident *chip) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7280, 0); +} +*/ + +static int adv7280_s_std(struct v4l2_subdev *sd, v4l2_std_id std) +{ + struct adv7280_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + int ret = mutex_lock_interruptible(&state->mutex); + if (ret) + return ret; + + /* all standards -> autodetect */ + if (std == V4L2_STD_ALL) { + ret = adv7280_write_reg(client, + ADV7280_INPUT_CONTROL, + ADV7280_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM | + (ADV7280_INPUT_CONTROL_COMPOSITE_IN1 + + state->active_input)); + if (ret < 0) + goto out; + + __adv7280_status(client, NULL, &state->curr_norm); + state->autodetect = true; + } else { + ret = v4l2_std_to_adv7280(std) | + (ADV7280_INPUT_CONTROL_COMPOSITE_IN1 + + state->active_input); + if (ret < 0) + goto out; + + ret = adv7280_write_reg(client, + ADV7280_INPUT_CONTROL, ret); + if (ret < 0) + goto out; + + state->curr_norm = std; + state->autodetect = false; + } + ret = 0; +out: + mutex_unlock(&state->mutex); + return ret; +} + +/* +static int adv7280_set_bus_param(struct soc_camera_device *icd, + unsigned long flags) +{ + return 0; +} +*/ + +/* Request bus settings on camera side */ +/* +static unsigned long adv7280_query_bus_param(struct soc_camera_device *icd) +{ + struct soc_camera_link *icl = to_soc_camera_link(icd); + + unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER | + SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH | + SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8; + + return soc_camera_apply_sensor_flags(icl, flags); +} +*/ + +static enum v4l2_mbus_pixelcode adv7280_codes[] = { + V4L2_MBUS_FMT_UYVY8_2X8, +}; + +static int adv7280_s_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *mf) +{ + enum v4l2_colorspace cspace; + enum v4l2_mbus_pixelcode code = mf->code; + + switch (code) { + case V4L2_MBUS_FMT_UYVY8_2X8: + cspace = V4L2_COLORSPACE_SRGB; + break; + default: + return -EINVAL; + } + + mf->code = code; + mf->colorspace = cspace; + + return adv7280_s_std(sd, V4L2_STD_ALL); +} + +static int adv7280_try_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *mf) +{ +#ifdef HW_DEINT + mf->field = V4L2_FIELD_NONE; +#else + mf->field = V4L2_FIELD_INTERLACED_TB; +#endif + mf->code = V4L2_MBUS_FMT_UYVY8_2X8; + mf->colorspace = V4L2_COLORSPACE_SRGB; + + // PAL + mf->width = 640; + mf->height = 576; + + return 0; +} + +static int adv7280_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_subdev_desc *scsd = soc_camera_i2c_to_desc(client); + + return soc_camera_set_power(&client->dev, scsd, on); +} + +static int adv7280_enum_fmt(struct v4l2_subdev *sd, unsigned int index, + enum v4l2_mbus_pixelcode *code) +{ + if (index >= ARRAY_SIZE(adv7280_codes)) + return -EINVAL; + + *code = adv7280_codes[index]; + + return 0; +} + +/* +static struct soc_camera_ops adv7280_ops = { + .set_bus_param = adv7280_set_bus_param, + .query_bus_param = adv7280_query_bus_param, +}; +*/ + +static const struct v4l2_subdev_video_ops adv7280_video_ops = { + .s_mbus_fmt = adv7280_s_fmt, + .try_mbus_fmt = adv7280_try_fmt, + .enum_mbus_fmt = adv7280_enum_fmt, + .querystd = adv7280_querystd, + .g_input_status = adv7280_g_input_status, +}; + +static const struct v4l2_subdev_core_ops adv7280_core_ops = { + //.g_chip_ident = adv7280_g_chip_ident, + .s_std = adv7280_s_std, + .s_power = adv7280_s_power, +}; + +static const struct v4l2_subdev_ops adv7280_subdev_ops = { + .core = &adv7280_core_ops, + .video = &adv7280_video_ops, +}; + +static void adv7280_work(struct work_struct *work) +{ + struct adv7280_state *state = container_of(work, struct adv7280_state, + work); + struct i2c_client *client = v4l2_get_subdevdata(&state->sd); + u8 isr3; + + mutex_lock(&state->mutex); + adv7280_write_reg(client, ADV7280_ADI_CONTROL_1, + ADV7280_ADI_CTRL_IRQ_SPACE); + isr3 = i2c_smbus_read_byte_data(client, ADV7280_ISR3_ADI); + /* clear */ + adv7280_write_reg(client, ADV7280_ICR3_ADI, isr3); + adv7280_write_reg(client, ADV7280_ADI_CONTROL_1, 0); + + if (isr3 & ADV7280_IRQ3_AD_CHANGE && state->autodetect) + __adv7280_status(client, NULL, &state->curr_norm); + mutex_unlock(&state->mutex); + + enable_irq(state->irq); +} + +static irqreturn_t adv7280_irq(int irq, void *devid) +{ + struct adv7280_state *state = devid; + + schedule_work(&state->work); + + disable_irq_nosync(state->irq); + + return IRQ_HANDLED; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) { + struct soc_camera_device *icd = file->private_data; + struct v4l2_subdev *sd = soc_camera_to_subdev(icd); + struct adv7280_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + u8 val; + + if (i < 6) { + state->active_input = i; + val = i2c_smbus_read_byte_data(client, + ADV7280_INPUT_CONTROL); + val &= 0xf0; + val |= (ADV7280_INPUT_CONTROL_COMPOSITE_IN1 + + state->active_input); + return adv7280_write_reg(client, + ADV7280_INPUT_CONTROL, val); + } + return -EINVAL; +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { + struct soc_camera_device *icd = file->private_data; + struct v4l2_subdev *sd = soc_camera_to_subdev(icd); + struct adv7280_state *state = to_state(sd); + + *i = state->active_input; + + return 0; +} + +/* + * Generic i2c probe + * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' + */ +static int adv7280_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adv7280_state *state; + struct soc_camera_device *icd = client->dev.platform_data; + struct v4l2_subdev *sd; + u8 ident; + int ret; + struct v4l2_ioctl_ops *ops; + struct i2c_client vpp_client = { + .flags = client->flags, + .addr = VPP_SLAVE_ADDRESS, + .name = "ADV7180_VPP_SLAVE", + .adapter = client->adapter, + .dev = client->dev, + }; + struct i2c_client csi_client = { + .flags = client->flags, + .addr = CSI_SLAVE_ADDRESS, + .name = "ADV7180_CSI_SLAVE", + .adapter = client->adapter, + .dev = client->dev, + }; + + printk("probe, id=%s\n", id->name); + /* 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); + + state = kzalloc(sizeof(struct adv7280_state), GFP_KERNEL); + if (state == NULL) { + ret = -ENOMEM; + goto err; + } + + ident = i2c_smbus_read_byte_data(client, ADV7280_IDENT); + v4l_info(client, "ident reg is 0x%02x\n", ident); + + state->irq = client->irq; + INIT_WORK(&state->work, adv7280_work); + mutex_init(&state->mutex); + state->autodetect = true; + state->active_input = 0; // input 1 + sd = &state->sd; + v4l2_i2c_subdev_init(sd, client, &adv7280_subdev_ops); + //icd->ops = &adv7280_ops; + + /* Reset */ + ret = adv7280_write_reg(client, + ADV7280_POWER_MANAGEMENT, 0xA0); + if (ret < 0) + goto err_unreg_subdev; + msleep(10); + + /* Initialize adv7280 */ + /* Exit Power Down Mode */ + ret = adv7280_write_reg(client, + ADV7280_POWER_MANAGEMENT, 0x00); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(client, + ADV7280_ADI_CONTROL_1, 0x80); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(client, + 0x9C, 0x00); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(client, + 0x9C, 0xFF); + if (ret < 0) + goto err_unreg_subdev; + + /* Enter User Sub Map */ + ret = adv7280_write_reg(client, + ADV7280_ADI_CONTROL_1, 0x00); + if (ret < 0) + goto err_unreg_subdev; + + /* Enable Pixel & Sync output drivers */ + ret = adv7280_write_reg(client, + ADV7280_OUTPUT_CONTROL, 0x0C); + if (ret < 0) + goto err_unreg_subdev; + + /* Power-up INTRQ, HS & VS pads */ + ret = adv7280_write_reg(client, + ADV7280_EXTENDED_OUTPUT_CONTROL, 0x07); + if (ret < 0) + goto err_unreg_subdev; + + /* Enable SH1 */ + /* + ret = adv7280_write_reg(client, + ADV7280_SHAPING_FILTER_CONTROL_1, 0x41); + if (ret < 0) + goto err_unreg_subdev; + */ + + /* Disable comb filtering */ + /* + ret = adv7280_write_reg(client, + 0x39, 0x24); + if (ret < 0) + goto err_unreg_subdev; + */ + + /* Enable LLC output driver */ + ret = adv7280_write_reg(client, + ADV7280_ADI_CONTROL_2, 0x40); + if (ret < 0) + goto err_unreg_subdev; + + /* VSYNC on VS/FIELD/SFL pin */ + ret = adv7280_write_reg(client, + ADV7280_OUTPUT_SYNC_SELECT_2, 0x01); + if (ret < 0) + goto err_unreg_subdev; + + /* Enable autodetection */ + ret = adv7280_write_reg(client, ADV7280_INPUT_CONTROL, + ADV7280_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM | + (ADV7280_INPUT_CONTROL_COMPOSITE_IN1 + + state->active_input)); + if (ret < 0) + goto err_unreg_subdev; + + ret = adv7280_write_reg(client, ADV7280_AUTODETECT_ENABLE, + ADV7280_AUTODETECT_DEFAULT); + if (ret < 0) + goto err_unreg_subdev; + + /* ITU-R BT.656-4 compatible + ret = adv7280_write_reg(client, + ADV7280_EXTENDED_OUTPUT_CONTROL, + ADV7280_EXTENDED_OUTPUT_CONTROL_NTSCDIS); + if (ret < 0) + goto err_unreg_subdev; + */ + + /* analog devices recommends */ + ret = adv7280_write_reg(client, + 0x52, 0xCD); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(client, + 0x80, 0x51); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(client, + 0x81, 0x51); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(client, + 0x82, 0x68); + if (ret < 0) + goto err_unreg_subdev; + +#ifdef HW_DEINT + /* Set VPP Map */ + ret = adv7280_write_reg(client, + ADV7280_VPP_SLAVE_ADDRESS, (VPP_SLAVE_ADDRESS << 1)); + if (ret < 0) + goto err_unreg_subdev; + + /* VPP - not documented */ + ret = adv7280_write_reg(&vpp_client, + 0xA3, 0x00); + if (ret < 0) + goto err_unreg_subdev; + + /* VPP - Enbable Advanced Timing Mode */ + ret = adv7280_write_reg(&vpp_client, + VPP_ADV_TIMING_MODE_EN, 0x00); + if (ret < 0) + goto err_unreg_subdev; + + /* VPP - Enable Deinterlacer */ + ret = adv7280_write_reg(&vpp_client, + VPP_I2C_DEINT_ENABLE, 0x80); + if (ret < 0) + goto err_unreg_subdev; +#endif + +#ifdef CSI + /* Set CSI Map */ + ret = adv7280_write_reg(client, + ADV7280_CSI_TX_SLAVE_ADDRESS, (CSI_SLAVE_ADDRESS << 1)); + if (ret < 0) + goto err_unreg_subdev; + + /* Power up MIPI D-PHY */ + ret = adv7280_write_reg(&csi_client, + CSI_DPHY_PWRDN_CTL, 0x02); + if (ret < 0) + goto err_unreg_subdev; + + + ret = adv7280_write_reg(&csi_client, + 0x02 , 0x18); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(&csi_client, + 0xD2 , 0xF7); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(&csi_client, + 0xD8 , 0x65); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(&csi_client, + 0xE0 , 0x09); + if (ret < 0) + goto err_unreg_subdev; + + /* analog devices recommends */ + ret = adv7280_write_reg(&csi_client, + 0x2C , 0x00); + if (ret < 0) + goto err_unreg_subdev; + + /* MIPI-CSI2 power up */ + ret = adv7280_write_reg(&csi_client, + CSI_CSITX_PWRDN , 0x00); + if (ret < 0) + goto err_unreg_subdev; +#endif + + /* read current norm */ + __adv7280_status(client, NULL, &state->curr_norm); + + /* register for interrupts */ + if (state->irq > 0) { + ret = request_irq(state->irq, adv7280_irq, 0, DRIVER_NAME, + state); + if (ret) + goto err_unreg_subdev; + + ret = adv7280_write_reg(client, ADV7280_ADI_CONTROL_1, + ADV7280_ADI_CTRL_IRQ_SPACE); + if (ret < 0) + goto err_unreg_subdev; + + /* config the Interrupt pin to be active low */ + ret = adv7280_write_reg(client, ADV7280_ICONF1_ADI, + ADV7280_ICONF1_ACTIVE_LOW | ADV7280_ICONF1_PSYNC_ONLY); + if (ret < 0) + goto err_unreg_subdev; + + ret = adv7280_write_reg(client, ADV7280_IMR1_ADI, 0); + if (ret < 0) + goto err_unreg_subdev; + + ret = adv7280_write_reg(client, ADV7280_IMR2_ADI, 0); + if (ret < 0) + goto err_unreg_subdev; + + /* enable AD change interrupts interrupts */ + ret = adv7280_write_reg(client, ADV7280_IMR3_ADI, + ADV7280_IRQ3_AD_CHANGE); + if (ret < 0) + goto err_unreg_subdev; + + ret = adv7280_write_reg(client, ADV7280_IMR4_ADI, 0); + if (ret < 0) + goto err_unreg_subdev; + + ret = adv7280_write_reg(client, ADV7280_ADI_CONTROL_1, + 0); + if (ret < 0) + goto err_unreg_subdev; + } + + /* + * this is the only way to support more than one input as soc_camera + * assumes in its own vidioc_s(g)_input implementation that only one + * input is present we have to override that with our own handlers. + */ + /* + ops = (struct v4l2_ioctl_ops*)icd->vdev->ioctl_ops; + ops->vidioc_s_input = &vidioc_s_input; + ops->vidioc_g_input = &vidioc_g_input; + */ + + return 0; + +err_unreg_subdev: + mutex_destroy(&state->mutex); + v4l2_device_unregister_subdev(sd); + kfree(state); +err: + printk(KERN_ERR DRIVER_NAME ": Failed to probe: %d\n", ret); + return ret; +} + +static int adv7280_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct adv7280_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 adv7280_id[] = { + {"adv7280", 0}, + {"adv7280-M", 1}, + {}, +}; +MODULE_DEVICE_TABLE(i2c, adv7280_id); + +static struct i2c_driver adv7280_driver = { + .driver = { + .owner = THIS_MODULE, + .name = DRIVER_NAME, + }, + .probe = adv7280_probe, + .remove = adv7280_remove, + .id_table = adv7280_id, +}; + +static __init int adv7280_init(void) +{ + return i2c_add_driver(&adv7280_driver); +} + +static __exit void adv7280_exit(void) +{ + i2c_del_driver(&adv7280_driver); +} + +module_init(adv7280_init); +module_exit(adv7280_exit); + +MODULE_DESCRIPTION("Analog Devices ADV7280/ADV7280-M video decoder driver"); +MODULE_AUTHOR("Wojciech Bieganski <wbieganski@antmicro.com>"); +MODULE_LICENSE("GPL v2"); |