mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
529 lines
13 KiB
529 lines
13 KiB
/* |
|
* adv7343 - ADV7343 Video Encoder Driver |
|
* |
|
* The encoder hardware does not support SECAM. |
|
* |
|
* 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 <linux/of.h> |
|
#include <linux/of_graph.h> |
|
|
|
#include <media/i2c/adv7343.h> |
|
#include <media/v4l2-async.h> |
|
#include <media/v4l2-device.h> |
|
#include <media/v4l2-ctrls.h> |
|
|
|
#include "adv7343_regs.h" |
|
|
|
MODULE_DESCRIPTION("ADV7343 video encoder driver"); |
|
MODULE_LICENSE("GPL"); |
|
|
|
static int debug; |
|
module_param(debug, int, 0644); |
|
MODULE_PARM_DESC(debug, "Debug level 0-1"); |
|
|
|
struct adv7343_state { |
|
struct v4l2_subdev sd; |
|
struct v4l2_ctrl_handler hdl; |
|
const struct adv7343_platform_data *pdata; |
|
u8 reg00; |
|
u8 reg01; |
|
u8 reg02; |
|
u8 reg35; |
|
u8 reg80; |
|
u8 reg82; |
|
u32 output; |
|
v4l2_std_id std; |
|
}; |
|
|
|
static inline struct adv7343_state *to_state(struct v4l2_subdev *sd) |
|
{ |
|
return container_of(sd, struct adv7343_state, sd); |
|
} |
|
|
|
static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
|
{ |
|
return &container_of(ctrl->handler, struct adv7343_state, hdl)->sd; |
|
} |
|
|
|
static inline int adv7343_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 adv7343_init_reg_val[] = { |
|
ADV7343_SOFT_RESET, ADV7343_SOFT_RESET_DEFAULT, |
|
ADV7343_POWER_MODE_REG, ADV7343_POWER_MODE_REG_DEFAULT, |
|
|
|
ADV7343_HD_MODE_REG1, ADV7343_HD_MODE_REG1_DEFAULT, |
|
ADV7343_HD_MODE_REG2, ADV7343_HD_MODE_REG2_DEFAULT, |
|
ADV7343_HD_MODE_REG3, ADV7343_HD_MODE_REG3_DEFAULT, |
|
ADV7343_HD_MODE_REG4, ADV7343_HD_MODE_REG4_DEFAULT, |
|
ADV7343_HD_MODE_REG5, ADV7343_HD_MODE_REG5_DEFAULT, |
|
ADV7343_HD_MODE_REG6, ADV7343_HD_MODE_REG6_DEFAULT, |
|
ADV7343_HD_MODE_REG7, ADV7343_HD_MODE_REG7_DEFAULT, |
|
|
|
ADV7343_SD_MODE_REG1, ADV7343_SD_MODE_REG1_DEFAULT, |
|
ADV7343_SD_MODE_REG2, ADV7343_SD_MODE_REG2_DEFAULT, |
|
ADV7343_SD_MODE_REG3, ADV7343_SD_MODE_REG3_DEFAULT, |
|
ADV7343_SD_MODE_REG4, ADV7343_SD_MODE_REG4_DEFAULT, |
|
ADV7343_SD_MODE_REG5, ADV7343_SD_MODE_REG5_DEFAULT, |
|
ADV7343_SD_MODE_REG6, ADV7343_SD_MODE_REG6_DEFAULT, |
|
ADV7343_SD_MODE_REG7, ADV7343_SD_MODE_REG7_DEFAULT, |
|
ADV7343_SD_MODE_REG8, ADV7343_SD_MODE_REG8_DEFAULT, |
|
|
|
ADV7343_SD_HUE_REG, ADV7343_SD_HUE_REG_DEFAULT, |
|
ADV7343_SD_CGMS_WSS0, ADV7343_SD_CGMS_WSS0_DEFAULT, |
|
ADV7343_SD_BRIGHTNESS_WSS, ADV7343_SD_BRIGHTNESS_WSS_DEFAULT, |
|
}; |
|
|
|
/* |
|
* 2^32 |
|
* FSC(reg) = FSC (HZ) * -------- |
|
* 27000000 |
|
*/ |
|
static const struct adv7343_std_info stdinfo[] = { |
|
{ |
|
/* 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 */ |
|
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_BDGHI, 705268427, V4L2_STD_PAL, |
|
}, { |
|
/* FSC(Hz) = 4,433,618.75 Hz */ |
|
SD_STD_NTSC, 705268427, V4L2_STD_NTSC_443, |
|
}, { |
|
/* FSC(Hz) = 4,433,618.75 Hz */ |
|
SD_STD_PAL_M, 705268427, V4L2_STD_PAL_60, |
|
}, |
|
}; |
|
|
|
static int adv7343_setstd(struct v4l2_subdev *sd, v4l2_std_id std) |
|
{ |
|
struct adv7343_state *state = to_state(sd); |
|
struct adv7343_std_info *std_info; |
|
int num_std; |
|
char *fsc_ptr; |
|
u8 reg, val; |
|
int err = 0; |
|
int i = 0; |
|
|
|
std_info = (struct adv7343_std_info *)stdinfo; |
|
num_std = ARRAY_SIZE(stdinfo); |
|
|
|
for (i = 0; i < num_std; i++) { |
|
if (std_info[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; |
|
} |
|
|
|
/* Set the standard */ |
|
val = state->reg80 & (~(SD_STD_MASK)); |
|
val |= std_info[i].standard_val3; |
|
err = adv7343_write(sd, ADV7343_SD_MODE_REG1, val); |
|
if (err < 0) |
|
goto setstd_exit; |
|
|
|
state->reg80 = val; |
|
|
|
/* Configure the input mode register */ |
|
val = state->reg01 & (~((u8) INPUT_MODE_MASK)); |
|
val |= SD_INPUT_MODE; |
|
err = adv7343_write(sd, ADV7343_MODE_SELECT_REG, val); |
|
if (err < 0) |
|
goto setstd_exit; |
|
|
|
state->reg01 = val; |
|
|
|
/* Program the sub carrier frequency registers */ |
|
fsc_ptr = (unsigned char *)&std_info[i].fsc_val; |
|
reg = ADV7343_FSC_REG0; |
|
for (i = 0; i < 4; i++, reg++, fsc_ptr++) { |
|
err = adv7343_write(sd, reg, *fsc_ptr); |
|
if (err < 0) |
|
goto setstd_exit; |
|
} |
|
|
|
val = state->reg80; |
|
|
|
/* Filter settings */ |
|
if (std & (V4L2_STD_NTSC | V4L2_STD_NTSC_443)) |
|
val &= 0x03; |
|
else if (std & ~V4L2_STD_SECAM) |
|
val |= 0x04; |
|
|
|
err = adv7343_write(sd, ADV7343_SD_MODE_REG1, val); |
|
if (err < 0) |
|
goto setstd_exit; |
|
|
|
state->reg80 = val; |
|
|
|
setstd_exit: |
|
if (err != 0) |
|
v4l2_err(sd, "Error setting std, write failed\n"); |
|
|
|
return err; |
|
} |
|
|
|
static int adv7343_setoutput(struct v4l2_subdev *sd, u32 output_type) |
|
{ |
|
struct adv7343_state *state = to_state(sd); |
|
unsigned char val; |
|
int err = 0; |
|
|
|
if (output_type > ADV7343_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; |
|
|
|
/* configure default configuration */ |
|
if (!state->pdata) |
|
if (output_type == ADV7343_COMPOSITE_ID) |
|
val |= ADV7343_COMPOSITE_POWER_VALUE; |
|
else if (output_type == ADV7343_COMPONENT_ID) |
|
val |= ADV7343_COMPONENT_POWER_VALUE; |
|
else |
|
val |= ADV7343_SVIDEO_POWER_VALUE; |
|
else |
|
val = state->pdata->mode_config.sleep_mode << 0 | |
|
state->pdata->mode_config.pll_control << 1 | |
|
state->pdata->mode_config.dac[2] << 2 | |
|
state->pdata->mode_config.dac[1] << 3 | |
|
state->pdata->mode_config.dac[0] << 4 | |
|
state->pdata->mode_config.dac[5] << 5 | |
|
state->pdata->mode_config.dac[4] << 6 | |
|
state->pdata->mode_config.dac[3] << 7; |
|
|
|
err = adv7343_write(sd, ADV7343_POWER_MODE_REG, val); |
|
if (err < 0) |
|
goto setoutput_exit; |
|
|
|
state->reg00 = val; |
|
|
|
/* Enable YUV output */ |
|
val = state->reg02 | YUV_OUTPUT_SELECT; |
|
err = adv7343_write(sd, ADV7343_MODE_REG0, val); |
|
if (err < 0) |
|
goto setoutput_exit; |
|
|
|
state->reg02 = val; |
|
|
|
/* configure SD DAC Output 2 and SD DAC Output 1 bit to zero */ |
|
val = state->reg82 & (SD_DAC_1_DI & SD_DAC_2_DI); |
|
|
|
if (state->pdata && state->pdata->sd_config.sd_dac_out[0]) |
|
val = val | (state->pdata->sd_config.sd_dac_out[0] << 1); |
|
else if (state->pdata && !state->pdata->sd_config.sd_dac_out[0]) |
|
val = val & ~(state->pdata->sd_config.sd_dac_out[0] << 1); |
|
|
|
if (state->pdata && state->pdata->sd_config.sd_dac_out[1]) |
|
val = val | (state->pdata->sd_config.sd_dac_out[1] << 2); |
|
else if (state->pdata && !state->pdata->sd_config.sd_dac_out[1]) |
|
val = val & ~(state->pdata->sd_config.sd_dac_out[1] << 2); |
|
|
|
err = adv7343_write(sd, ADV7343_SD_MODE_REG2, val); |
|
if (err < 0) |
|
goto setoutput_exit; |
|
|
|
state->reg82 = val; |
|
|
|
/* configure ED/HD Color DAC Swap and ED/HD RGB Input Enable bit to |
|
* zero */ |
|
val = state->reg35 & (HD_RGB_INPUT_DI & HD_DAC_SWAP_DI); |
|
err = adv7343_write(sd, ADV7343_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 adv7343_log_status(struct v4l2_subdev *sd) |
|
{ |
|
struct adv7343_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 adv7343_s_ctrl(struct v4l2_ctrl *ctrl) |
|
{ |
|
struct v4l2_subdev *sd = to_sd(ctrl); |
|
|
|
switch (ctrl->id) { |
|
case V4L2_CID_BRIGHTNESS: |
|
return adv7343_write(sd, ADV7343_SD_BRIGHTNESS_WSS, |
|
ctrl->val); |
|
|
|
case V4L2_CID_HUE: |
|
return adv7343_write(sd, ADV7343_SD_HUE_REG, ctrl->val); |
|
|
|
case V4L2_CID_GAIN: |
|
return adv7343_write(sd, ADV7343_DAC2_OUTPUT_LEVEL, ctrl->val); |
|
} |
|
return -EINVAL; |
|
} |
|
|
|
static const struct v4l2_ctrl_ops adv7343_ctrl_ops = { |
|
.s_ctrl = adv7343_s_ctrl, |
|
}; |
|
|
|
static const struct v4l2_subdev_core_ops adv7343_core_ops = { |
|
.log_status = adv7343_log_status, |
|
}; |
|
|
|
static int adv7343_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) |
|
{ |
|
struct adv7343_state *state = to_state(sd); |
|
int err = 0; |
|
|
|
if (state->std == std) |
|
return 0; |
|
|
|
err = adv7343_setstd(sd, std); |
|
if (!err) |
|
state->std = std; |
|
|
|
return err; |
|
} |
|
|
|
static int adv7343_s_routing(struct v4l2_subdev *sd, |
|
u32 input, u32 output, u32 config) |
|
{ |
|
struct adv7343_state *state = to_state(sd); |
|
int err = 0; |
|
|
|
if (state->output == output) |
|
return 0; |
|
|
|
err = adv7343_setoutput(sd, output); |
|
if (!err) |
|
state->output = output; |
|
|
|
return err; |
|
} |
|
|
|
static const struct v4l2_subdev_video_ops adv7343_video_ops = { |
|
.s_std_output = adv7343_s_std_output, |
|
.s_routing = adv7343_s_routing, |
|
}; |
|
|
|
static const struct v4l2_subdev_ops adv7343_ops = { |
|
.core = &adv7343_core_ops, |
|
.video = &adv7343_video_ops, |
|
}; |
|
|
|
static int adv7343_initialize(struct v4l2_subdev *sd) |
|
{ |
|
struct adv7343_state *state = to_state(sd); |
|
int err = 0; |
|
int i; |
|
|
|
for (i = 0; i < ARRAY_SIZE(adv7343_init_reg_val); i += 2) { |
|
|
|
err = adv7343_write(sd, adv7343_init_reg_val[i], |
|
adv7343_init_reg_val[i+1]); |
|
if (err) { |
|
v4l2_err(sd, "Error initializing\n"); |
|
return err; |
|
} |
|
} |
|
|
|
/* Configure for default video standard */ |
|
err = adv7343_setoutput(sd, state->output); |
|
if (err < 0) { |
|
v4l2_err(sd, "Error setting output during init\n"); |
|
return -EINVAL; |
|
} |
|
|
|
err = adv7343_setstd(sd, state->std); |
|
if (err < 0) { |
|
v4l2_err(sd, "Error setting std during init\n"); |
|
return -EINVAL; |
|
} |
|
|
|
return err; |
|
} |
|
|
|
static struct adv7343_platform_data * |
|
adv7343_get_pdata(struct i2c_client *client) |
|
{ |
|
struct adv7343_platform_data *pdata; |
|
struct device_node *np; |
|
|
|
if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) |
|
return client->dev.platform_data; |
|
|
|
np = of_graph_get_next_endpoint(client->dev.of_node, NULL); |
|
if (!np) |
|
return NULL; |
|
|
|
pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); |
|
if (!pdata) |
|
goto done; |
|
|
|
pdata->mode_config.sleep_mode = |
|
of_property_read_bool(np, "adi,power-mode-sleep-mode"); |
|
|
|
pdata->mode_config.pll_control = |
|
of_property_read_bool(np, "adi,power-mode-pll-ctrl"); |
|
|
|
of_property_read_u32_array(np, "adi,dac-enable", |
|
pdata->mode_config.dac, 6); |
|
|
|
of_property_read_u32_array(np, "adi,sd-dac-enable", |
|
pdata->sd_config.sd_dac_out, 2); |
|
|
|
done: |
|
of_node_put(np); |
|
return pdata; |
|
} |
|
|
|
static int adv7343_probe(struct i2c_client *client) |
|
{ |
|
struct adv7343_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 = devm_kzalloc(&client->dev, sizeof(struct adv7343_state), |
|
GFP_KERNEL); |
|
if (state == NULL) |
|
return -ENOMEM; |
|
|
|
/* Copy board specific information here */ |
|
state->pdata = adv7343_get_pdata(client); |
|
|
|
state->reg00 = 0x80; |
|
state->reg01 = 0x00; |
|
state->reg02 = 0x20; |
|
state->reg35 = 0x00; |
|
state->reg80 = ADV7343_SD_MODE_REG1_DEFAULT; |
|
state->reg82 = ADV7343_SD_MODE_REG2_DEFAULT; |
|
|
|
state->output = ADV7343_COMPOSITE_ID; |
|
state->std = V4L2_STD_NTSC; |
|
|
|
v4l2_i2c_subdev_init(&state->sd, client, &adv7343_ops); |
|
|
|
v4l2_ctrl_handler_init(&state->hdl, 2); |
|
v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops, |
|
V4L2_CID_BRIGHTNESS, ADV7343_BRIGHTNESS_MIN, |
|
ADV7343_BRIGHTNESS_MAX, 1, |
|
ADV7343_BRIGHTNESS_DEF); |
|
v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops, |
|
V4L2_CID_HUE, ADV7343_HUE_MIN, |
|
ADV7343_HUE_MAX, 1, |
|
ADV7343_HUE_DEF); |
|
v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops, |
|
V4L2_CID_GAIN, ADV7343_GAIN_MIN, |
|
ADV7343_GAIN_MAX, 1, |
|
ADV7343_GAIN_DEF); |
|
state->sd.ctrl_handler = &state->hdl; |
|
if (state->hdl.error) { |
|
err = state->hdl.error; |
|
goto done; |
|
} |
|
v4l2_ctrl_handler_setup(&state->hdl); |
|
|
|
err = adv7343_initialize(&state->sd); |
|
if (err) |
|
goto done; |
|
|
|
err = v4l2_async_register_subdev(&state->sd); |
|
|
|
done: |
|
if (err < 0) |
|
v4l2_ctrl_handler_free(&state->hdl); |
|
|
|
return err; |
|
} |
|
|
|
static void adv7343_remove(struct i2c_client *client) |
|
{ |
|
struct v4l2_subdev *sd = i2c_get_clientdata(client); |
|
struct adv7343_state *state = to_state(sd); |
|
|
|
v4l2_async_unregister_subdev(&state->sd); |
|
v4l2_ctrl_handler_free(&state->hdl); |
|
} |
|
|
|
static const struct i2c_device_id adv7343_id[] = { |
|
{"adv7343", 0}, |
|
{}, |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(i2c, adv7343_id); |
|
|
|
#if IS_ENABLED(CONFIG_OF) |
|
static const struct of_device_id adv7343_of_match[] = { |
|
{.compatible = "adi,adv7343", }, |
|
{ /* sentinel */ }, |
|
}; |
|
MODULE_DEVICE_TABLE(of, adv7343_of_match); |
|
#endif |
|
|
|
static struct i2c_driver adv7343_driver = { |
|
.driver = { |
|
.of_match_table = of_match_ptr(adv7343_of_match), |
|
.name = "adv7343", |
|
}, |
|
.probe_new = adv7343_probe, |
|
.remove = adv7343_remove, |
|
.id_table = adv7343_id, |
|
}; |
|
|
|
module_i2c_driver(adv7343_driver);
|
|
|