diff options
Diffstat (limited to 'drivers/media/video/adv7393.c')
| -rw-r--r-- | drivers/media/video/adv7393.c | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/drivers/media/video/adv7393.c b/drivers/media/video/adv7393.c deleted file mode 100644 index 3dc6098c7267..000000000000 --- a/drivers/media/video/adv7393.c +++ /dev/null @@ -1,487 +0,0 @@ -/* - * adv7393 - ADV7393 Video Encoder Driver - * - * The encoder hardware does not support SECAM. - * - * Copyright (C) 2010-2012 ADVANSEE - http://www.advansee.com/ - * Benoît Thébaudeau <benoit.thebaudeau@advansee.com> - * - * Based on ADV7343 driver, - * - * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed .as is. WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/ctype.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/videodev2.h> -#include <linux/uaccess.h> - -#include <media/adv7393.h> -#include <media/v4l2-device.h> -#include <media/v4l2-chip-ident.h> -#include <media/v4l2-ctrls.h> - -#include "adv7393_regs.h" - -MODULE_DESCRIPTION("ADV7393 video encoder driver"); -MODULE_LICENSE("GPL"); - -static bool debug; -module_param(debug, bool, 0644); -MODULE_PARM_DESC(debug, "Debug level 0-1"); - -struct adv7393_state { - struct v4l2_subdev sd; - struct v4l2_ctrl_handler hdl; - u8 reg00; - u8 reg01; - u8 reg02; - u8 reg35; - u8 reg80; - u8 reg82; - u32 output; - v4l2_std_id std; -}; - -static inline struct adv7393_state *to_state(struct v4l2_subdev *sd) -{ - return container_of(sd, struct adv7393_state, sd); -} - -static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) -{ - return &container_of(ctrl->handler, struct adv7393_state, hdl)->sd; -} - -static inline int adv7393_write(struct v4l2_subdev *sd, u8 reg, u8 value) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return i2c_smbus_write_byte_data(client, reg, value); -} - -static const u8 adv7393_init_reg_val[] = { - ADV7393_SOFT_RESET, ADV7393_SOFT_RESET_DEFAULT, - ADV7393_POWER_MODE_REG, ADV7393_POWER_MODE_REG_DEFAULT, - - ADV7393_HD_MODE_REG1, ADV7393_HD_MODE_REG1_DEFAULT, - ADV7393_HD_MODE_REG2, ADV7393_HD_MODE_REG2_DEFAULT, - ADV7393_HD_MODE_REG3, ADV7393_HD_MODE_REG3_DEFAULT, - ADV7393_HD_MODE_REG4, ADV7393_HD_MODE_REG4_DEFAULT, - ADV7393_HD_MODE_REG5, ADV7393_HD_MODE_REG5_DEFAULT, - ADV7393_HD_MODE_REG6, ADV7393_HD_MODE_REG6_DEFAULT, - ADV7393_HD_MODE_REG7, ADV7393_HD_MODE_REG7_DEFAULT, - - ADV7393_SD_MODE_REG1, ADV7393_SD_MODE_REG1_DEFAULT, - ADV7393_SD_MODE_REG2, ADV7393_SD_MODE_REG2_DEFAULT, - ADV7393_SD_MODE_REG3, ADV7393_SD_MODE_REG3_DEFAULT, - ADV7393_SD_MODE_REG4, ADV7393_SD_MODE_REG4_DEFAULT, - ADV7393_SD_MODE_REG5, ADV7393_SD_MODE_REG5_DEFAULT, - ADV7393_SD_MODE_REG6, ADV7393_SD_MODE_REG6_DEFAULT, - ADV7393_SD_MODE_REG7, ADV7393_SD_MODE_REG7_DEFAULT, - ADV7393_SD_MODE_REG8, ADV7393_SD_MODE_REG8_DEFAULT, - - ADV7393_SD_TIMING_REG0, ADV7393_SD_TIMING_REG0_DEFAULT, - - ADV7393_SD_HUE_ADJUST, ADV7393_SD_HUE_ADJUST_DEFAULT, - ADV7393_SD_CGMS_WSS0, ADV7393_SD_CGMS_WSS0_DEFAULT, - ADV7393_SD_BRIGHTNESS_WSS, ADV7393_SD_BRIGHTNESS_WSS_DEFAULT, -}; - -/* - * 2^32 - * FSC(reg) = FSC (HZ) * -------- - * 27000000 - */ -static const struct adv7393_std_info stdinfo[] = { - { - /* FSC(Hz) = 4,433,618.75 Hz */ - SD_STD_NTSC, 705268427, V4L2_STD_NTSC_443, - }, { - /* FSC(Hz) = 3,579,545.45 Hz */ - SD_STD_NTSC, 569408542, V4L2_STD_NTSC, - }, { - /* FSC(Hz) = 3,575,611.00 Hz */ - SD_STD_PAL_M, 568782678, V4L2_STD_PAL_M, - }, { - /* FSC(Hz) = 3,582,056.00 Hz */ - SD_STD_PAL_N, 569807903, V4L2_STD_PAL_Nc, - }, { - /* FSC(Hz) = 4,433,618.75 Hz */ - SD_STD_PAL_N, 705268427, V4L2_STD_PAL_N, - }, { - /* FSC(Hz) = 4,433,618.75 Hz */ - SD_STD_PAL_M, 705268427, V4L2_STD_PAL_60, - }, { - /* FSC(Hz) = 4,433,618.75 Hz */ - SD_STD_PAL_BDGHI, 705268427, V4L2_STD_PAL, - }, -}; - -static int adv7393_setstd(struct v4l2_subdev *sd, v4l2_std_id std) -{ - struct adv7393_state *state = to_state(sd); - const struct adv7393_std_info *std_info; - int num_std; - u8 reg; - u32 val; - int err = 0; - int i; - - num_std = ARRAY_SIZE(stdinfo); - - for (i = 0; i < num_std; i++) { - if (stdinfo[i].stdid & std) - break; - } - - if (i == num_std) { - v4l2_dbg(1, debug, sd, - "Invalid std or std is not supported: %llx\n", - (unsigned long long)std); - return -EINVAL; - } - - std_info = &stdinfo[i]; - - /* Set the standard */ - val = state->reg80 & ~SD_STD_MASK; - val |= std_info->standard_val3; - err = adv7393_write(sd, ADV7393_SD_MODE_REG1, val); - if (err < 0) - goto setstd_exit; - - state->reg80 = val; - - /* Configure the input mode register */ - val = state->reg01 & ~INPUT_MODE_MASK; - val |= SD_INPUT_MODE; - err = adv7393_write(sd, ADV7393_MODE_SELECT_REG, val); - if (err < 0) - goto setstd_exit; - - state->reg01 = val; - - /* Program the sub carrier frequency registers */ - val = std_info->fsc_val; - for (reg = ADV7393_FSC_REG0; reg <= ADV7393_FSC_REG3; reg++) { - err = adv7393_write(sd, reg, val); - if (err < 0) - goto setstd_exit; - val >>= 8; - } - - val = state->reg82; - - /* Pedestal settings */ - if (std & (V4L2_STD_NTSC | V4L2_STD_NTSC_443)) - val |= SD_PEDESTAL_EN; - else - val &= SD_PEDESTAL_DI; - - err = adv7393_write(sd, ADV7393_SD_MODE_REG2, val); - if (err < 0) - goto setstd_exit; - - state->reg82 = val; - -setstd_exit: - if (err != 0) - v4l2_err(sd, "Error setting std, write failed\n"); - - return err; -} - -static int adv7393_setoutput(struct v4l2_subdev *sd, u32 output_type) -{ - struct adv7393_state *state = to_state(sd); - u8 val; - int err = 0; - - if (output_type > ADV7393_SVIDEO_ID) { - v4l2_dbg(1, debug, sd, - "Invalid output type or output type not supported:%d\n", - output_type); - return -EINVAL; - } - - /* Enable Appropriate DAC */ - val = state->reg00 & 0x03; - - if (output_type == ADV7393_COMPOSITE_ID) - val |= ADV7393_COMPOSITE_POWER_VALUE; - else if (output_type == ADV7393_COMPONENT_ID) - val |= ADV7393_COMPONENT_POWER_VALUE; - else - val |= ADV7393_SVIDEO_POWER_VALUE; - - err = adv7393_write(sd, ADV7393_POWER_MODE_REG, val); - if (err < 0) - goto setoutput_exit; - - state->reg00 = val; - - /* Enable YUV output */ - val = state->reg02 | YUV_OUTPUT_SELECT; - err = adv7393_write(sd, ADV7393_MODE_REG0, val); - if (err < 0) - goto setoutput_exit; - - state->reg02 = val; - - /* configure SD DAC Output 1 bit */ - val = state->reg82; - if (output_type == ADV7393_COMPONENT_ID) - val &= SD_DAC_OUT1_DI; - else - val |= SD_DAC_OUT1_EN; - err = adv7393_write(sd, ADV7393_SD_MODE_REG2, val); - if (err < 0) - goto setoutput_exit; - - state->reg82 = val; - - /* configure ED/HD Color DAC Swap bit to zero */ - val = state->reg35 & HD_DAC_SWAP_DI; - err = adv7393_write(sd, ADV7393_HD_MODE_REG6, val); - if (err < 0) - goto setoutput_exit; - - state->reg35 = val; - -setoutput_exit: - if (err != 0) - v4l2_err(sd, "Error setting output, write failed\n"); - - return err; -} - -static int adv7393_log_status(struct v4l2_subdev *sd) -{ - struct adv7393_state *state = to_state(sd); - - v4l2_info(sd, "Standard: %llx\n", (unsigned long long)state->std); - v4l2_info(sd, "Output: %s\n", (state->output == 0) ? "Composite" : - ((state->output == 1) ? "Component" : "S-Video")); - return 0; -} - -static int adv7393_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct v4l2_subdev *sd = to_sd(ctrl); - - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - return adv7393_write(sd, ADV7393_SD_BRIGHTNESS_WSS, - ctrl->val & SD_BRIGHTNESS_VALUE_MASK); - - case V4L2_CID_HUE: - return adv7393_write(sd, ADV7393_SD_HUE_ADJUST, - ctrl->val - ADV7393_HUE_MIN); - - case V4L2_CID_GAIN: - return adv7393_write(sd, ADV7393_DAC123_OUTPUT_LEVEL, - ctrl->val); - } - return -EINVAL; -} - -static int adv7393_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_ADV7393, 0); -} - -static const struct v4l2_ctrl_ops adv7393_ctrl_ops = { - .s_ctrl = adv7393_s_ctrl, -}; - -static const struct v4l2_subdev_core_ops adv7393_core_ops = { - .log_status = adv7393_log_status, - .g_chip_ident = adv7393_g_chip_ident, - .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, - .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, - .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, - .g_ctrl = v4l2_subdev_g_ctrl, - .s_ctrl = v4l2_subdev_s_ctrl, - .queryctrl = v4l2_subdev_queryctrl, - .querymenu = v4l2_subdev_querymenu, -}; - -static int adv7393_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) -{ - struct adv7393_state *state = to_state(sd); - int err = 0; - - if (state->std == std) - return 0; - - err = adv7393_setstd(sd, std); - if (!err) - state->std = std; - - return err; -} - -static int adv7393_s_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - struct adv7393_state *state = to_state(sd); - int err = 0; - - if (state->output == output) - return 0; - - err = adv7393_setoutput(sd, output); - if (!err) - state->output = output; - - return err; -} - -static const struct v4l2_subdev_video_ops adv7393_video_ops = { - .s_std_output = adv7393_s_std_output, - .s_routing = adv7393_s_routing, -}; - -static const struct v4l2_subdev_ops adv7393_ops = { - .core = &adv7393_core_ops, - .video = &adv7393_video_ops, -}; - -static int adv7393_initialize(struct v4l2_subdev *sd) -{ - struct adv7393_state *state = to_state(sd); - int err = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(adv7393_init_reg_val); i += 2) { - - err = adv7393_write(sd, adv7393_init_reg_val[i], - adv7393_init_reg_val[i+1]); - if (err) { - v4l2_err(sd, "Error initializing\n"); - return err; - } - } - - /* Configure for default video standard */ - err = adv7393_setoutput(sd, state->output); - if (err < 0) { - v4l2_err(sd, "Error setting output during init\n"); - return -EINVAL; - } - - err = adv7393_setstd(sd, state->std); - if (err < 0) { - v4l2_err(sd, "Error setting std during init\n"); - return -EINVAL; - } - - return err; -} - -static int adv7393_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct adv7393_state *state; - int err; - - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -ENODEV; - - v4l_info(client, "chip found @ 0x%x (%s)\n", - client->addr << 1, client->adapter->name); - - state = kzalloc(sizeof(struct adv7393_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - - state->reg00 = ADV7393_POWER_MODE_REG_DEFAULT; - state->reg01 = 0x00; - state->reg02 = 0x20; - state->reg35 = ADV7393_HD_MODE_REG6_DEFAULT; - state->reg80 = ADV7393_SD_MODE_REG1_DEFAULT; - state->reg82 = ADV7393_SD_MODE_REG2_DEFAULT; - - state->output = ADV7393_COMPOSITE_ID; - state->std = V4L2_STD_NTSC; - - v4l2_i2c_subdev_init(&state->sd, client, &adv7393_ops); - - v4l2_ctrl_handler_init(&state->hdl, 3); - v4l2_ctrl_new_std(&state->hdl, &adv7393_ctrl_ops, - V4L2_CID_BRIGHTNESS, ADV7393_BRIGHTNESS_MIN, - ADV7393_BRIGHTNESS_MAX, 1, - ADV7393_BRIGHTNESS_DEF); - v4l2_ctrl_new_std(&state->hdl, &adv7393_ctrl_ops, - V4L2_CID_HUE, ADV7393_HUE_MIN, - ADV7393_HUE_MAX, 1, - ADV7393_HUE_DEF); - v4l2_ctrl_new_std(&state->hdl, &adv7393_ctrl_ops, - V4L2_CID_GAIN, ADV7393_GAIN_MIN, - ADV7393_GAIN_MAX, 1, - ADV7393_GAIN_DEF); - state->sd.ctrl_handler = &state->hdl; - if (state->hdl.error) { - int err = state->hdl.error; - - v4l2_ctrl_handler_free(&state->hdl); - kfree(state); - return err; - } - v4l2_ctrl_handler_setup(&state->hdl); - - err = adv7393_initialize(&state->sd); - if (err) { - v4l2_ctrl_handler_free(&state->hdl); - kfree(state); - } - return err; -} - -static int adv7393_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct adv7393_state *state = to_state(sd); - - v4l2_device_unregister_subdev(sd); - v4l2_ctrl_handler_free(&state->hdl); - kfree(state); - - return 0; -} - -static const struct i2c_device_id adv7393_id[] = { - {"adv7393", 0}, - {}, -}; -MODULE_DEVICE_TABLE(i2c, adv7393_id); - -static struct i2c_driver adv7393_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "adv7393", - }, - .probe = adv7393_probe, - .remove = adv7393_remove, - .id_table = adv7393_id, -}; -module_i2c_driver(adv7393_driver); |