diff options
Diffstat (limited to 'drivers/staging/media/atomisp/i2c/atomisp-gc0310.c')
-rw-r--r-- | drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 313 |
1 files changed, 271 insertions, 42 deletions
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c index 273155308fe3..9a11793f34f7 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c @@ -16,27 +16,259 @@ * */ -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kmod.h> -#include <linux/device.h> #include <linux/delay.h> -#include <linux/slab.h> +#include <linux/errno.h> #include <linux/gpio/consumer.h> -#include <linux/gpio/machine.h> #include <linux/i2c.h> -#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <linux/pm_runtime.h> +#include <linux/string.h> +#include <linux/types.h> + +#include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> -#include <linux/io.h> -#include "../include/linux/atomisp_gmin_platform.h" -#include "gc0310.h" +#define GC0310_NATIVE_WIDTH 656 +#define GC0310_NATIVE_HEIGHT 496 + +#define GC0310_FPS 30 +#define GC0310_SKIP_FRAMES 3 + +#define GC0310_FOCAL_LENGTH_NUM 278 /* 2.78mm */ + +#define GC0310_ID 0xa310 + +#define GC0310_RESET_RELATED 0xFE +#define GC0310_REGISTER_PAGE_0 0x0 +#define GC0310_REGISTER_PAGE_3 0x3 + +/* + * GC0310 System control registers + */ +#define GC0310_SW_STREAM 0x10 + +#define GC0310_SC_CMMN_CHIP_ID_H 0xf0 +#define GC0310_SC_CMMN_CHIP_ID_L 0xf1 + +#define GC0310_AEC_PK_EXPO_H 0x03 +#define GC0310_AEC_PK_EXPO_L 0x04 +#define GC0310_AGC_ADJ 0x48 +#define GC0310_DGC_ADJ 0x71 +#define GC0310_GROUP_ACCESS 0x3208 + +#define GC0310_H_CROP_START_H 0x09 +#define GC0310_H_CROP_START_L 0x0A +#define GC0310_V_CROP_START_H 0x0B +#define GC0310_V_CROP_START_L 0x0C +#define GC0310_H_OUTSIZE_H 0x0F +#define GC0310_H_OUTSIZE_L 0x10 +#define GC0310_V_OUTSIZE_H 0x0D +#define GC0310_V_OUTSIZE_L 0x0E +#define GC0310_H_BLANKING_H 0x05 +#define GC0310_H_BLANKING_L 0x06 +#define GC0310_V_BLANKING_H 0x07 +#define GC0310_V_BLANKING_L 0x08 +#define GC0310_SH_DELAY 0x11 + +#define GC0310_START_STREAMING 0x94 /* 8-bit enable */ +#define GC0310_STOP_STREAMING 0x0 /* 8-bit disable */ + +#define to_gc0310_sensor(x) container_of(x, struct gc0310_device, sd) + +struct gc0310_device { + struct v4l2_subdev sd; + struct media_pad pad; + /* Protect against concurrent changes to controls */ + struct mutex input_lock; + bool is_streaming; + + struct fwnode_handle *ep_fwnode; + struct gpio_desc *reset; + struct gpio_desc *powerdown; + + struct gc0310_mode { + struct v4l2_mbus_framefmt fmt; + } mode; + + struct gc0310_ctrls { + struct v4l2_ctrl_handler handler; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *gain; + } ctrls; +}; + +struct gc0310_reg { + u8 reg; + u8 val; +}; + +static const struct gc0310_reg gc0310_reset_register[] = { + /* System registers */ + { 0xfe, 0xf0 }, + { 0xfe, 0xf0 }, + { 0xfe, 0x00 }, + + { 0xfc, 0x0e }, /* 4e */ + { 0xfc, 0x0e }, /* 16//4e // [0]apwd [6]regf_clk_gate */ + { 0xf2, 0x80 }, /* sync output */ + { 0xf3, 0x00 }, /* 1f//01 data output */ + { 0xf7, 0x33 }, /* f9 */ + { 0xf8, 0x05 }, /* 00 */ + { 0xf9, 0x0e }, /* 0x8e //0f */ + { 0xfa, 0x11 }, + + /* MIPI */ + { 0xfe, 0x03 }, + { 0x01, 0x03 }, /* mipi 1lane */ + { 0x02, 0x22 }, /* 0x33 */ + { 0x03, 0x94 }, + { 0x04, 0x01 }, /* fifo_prog */ + { 0x05, 0x00 }, /* fifo_prog */ + { 0x06, 0x80 }, /* b0 //YUV ISP data */ + { 0x11, 0x2a }, /* 1e //LDI set YUV422 */ + { 0x12, 0x90 }, /* 00 //04 //00 //04//00 //LWC[7:0] */ + { 0x13, 0x02 }, /* 05 //05 //LWC[15:8] */ + { 0x15, 0x12 }, /* 0x10 //DPHYY_MODE read_ready */ + { 0x17, 0x01 }, + { 0x40, 0x08 }, + { 0x41, 0x00 }, + { 0x42, 0x00 }, + { 0x43, 0x00 }, + { 0x21, 0x02 }, /* 0x01 */ + { 0x22, 0x02 }, /* 0x01 */ + { 0x23, 0x01 }, /* 0x05 //Nor:0x05 DOU:0x06 */ + { 0x29, 0x00 }, + { 0x2A, 0x25 }, /* 0x05 //data zero 0x7a de */ + { 0x2B, 0x02 }, + + { 0xfe, 0x00 }, + + /* CISCTL */ + { 0x00, 0x2f }, /* 2f//0f//02//01 */ + { 0x01, 0x0f }, /* 06 */ + { 0x02, 0x04 }, + { 0x4f, 0x00 }, /* AEC 0FF */ + { 0x03, 0x01 }, /* 0x03 //04 */ + { 0x04, 0xc0 }, /* 0xe8 //58 */ + { 0x05, 0x00 }, + { 0x06, 0xb2 }, /* 0x0a //HB */ + { 0x07, 0x00 }, + { 0x08, 0x0c }, /* 0x89 //VB */ + { 0x09, 0x00 }, /* row start */ + { 0x0a, 0x00 }, + { 0x0b, 0x00 }, /* col start */ + { 0x0c, 0x00 }, + { 0x0d, 0x01 }, /* height */ + { 0x0e, 0xf2 }, /* 0xf7 //height */ + { 0x0f, 0x02 }, /* width */ + { 0x10, 0x94 }, /* 0xa0 //height */ + { 0x17, 0x14 }, + { 0x18, 0x1a }, /* 0a//[4]double reset */ + { 0x19, 0x14 }, /* AD pipeline */ + { 0x1b, 0x48 }, + { 0x1e, 0x6b }, /* 3b//col bias */ + { 0x1f, 0x28 }, /* 20//00//08//txlow */ + { 0x20, 0x89 }, /* 88//0c//[3:2]DA15 */ + { 0x21, 0x49 }, /* 48//[3] txhigh */ + { 0x22, 0xb0 }, + { 0x23, 0x04 }, /* [1:0]vcm_r */ + { 0x24, 0x16 }, /* 15 */ + { 0x34, 0x20 }, /* [6:4] rsg high//range */ + + /* BLK */ + { 0x26, 0x23 }, /* [1]dark_current_en [0]offset_en */ + { 0x28, 0xff }, /* BLK_limie_value */ + { 0x29, 0x00 }, /* global offset */ + { 0x33, 0x18 }, /* offset_ratio */ + { 0x37, 0x20 }, /* dark_current_ratio */ + { 0x2a, 0x00 }, + { 0x2b, 0x00 }, + { 0x2c, 0x00 }, + { 0x2d, 0x00 }, + { 0x2e, 0x00 }, + { 0x2f, 0x00 }, + { 0x30, 0x00 }, + { 0x31, 0x00 }, + { 0x47, 0x80 }, /* a7 */ + { 0x4e, 0x66 }, /* select_row */ + { 0xa8, 0x02 }, /* win_width_dark, same with crop_win_width */ + { 0xa9, 0x80 }, + + /* ISP */ + { 0x40, 0x06 }, /* 0xff //ff //48 */ + { 0x41, 0x00 }, /* 0x21 //00//[0]curve_en */ + { 0x42, 0x04 }, /* 0xcf //0a//[1]awn_en */ + { 0x44, 0x18 }, /* 0x18 //02 */ + { 0x46, 0x02 }, /* 0x03 //sync */ + { 0x49, 0x03 }, + { 0x4c, 0x20 }, /* 00[5]pretect exp */ + { 0x50, 0x01 }, /* crop enable */ + { 0x51, 0x00 }, + { 0x52, 0x00 }, + { 0x53, 0x00 }, + { 0x54, 0x01 }, + { 0x55, 0x01 }, /* crop window height */ + { 0x56, 0xf0 }, + { 0x57, 0x02 }, /* crop window width */ + { 0x58, 0x90 }, + + /* Gain */ + { 0x70, 0x70 }, /* 70 //80//global gain */ + { 0x71, 0x20 }, /* pregain gain */ + { 0x72, 0x40 }, /* post gain */ + { 0x5a, 0x84 }, /* 84//analog gain 0 */ + { 0x5b, 0xc9 }, /* c9 */ + { 0x5c, 0xed }, /* ed//not use pga gain highest level */ + { 0x77, 0x40 }, /* R gain 0x74 //awb gain */ + { 0x78, 0x40 }, /* G gain */ + { 0x79, 0x40 }, /* B gain 0x5f */ + + { 0x48, 0x00 }, + { 0xfe, 0x01 }, + { 0x0a, 0x45 }, /* [7]col gain mode */ + + { 0x3e, 0x40 }, + { 0x3f, 0x5c }, + { 0x40, 0x7b }, + { 0x41, 0xbd }, + { 0x42, 0xf6 }, + { 0x43, 0x63 }, + { 0x03, 0x60 }, + { 0x44, 0x03 }, + + /* Dark / Sun mode related */ + { 0xfe, 0x01 }, + { 0x45, 0xa4 }, /* 0xf7 */ + { 0x46, 0xf0 }, /* 0xff //f0//sun value th */ + { 0x48, 0x03 }, /* sun mode */ + { 0x4f, 0x60 }, /* sun_clamp */ + { 0xfe, 0x00 }, +}; + +static const struct gc0310_reg gc0310_VGA_30fps[] = { + { 0xfe, 0x00 }, + { 0x0d, 0x01 }, /* height */ + { 0x0e, 0xf2 }, /* 0xf7 //height */ + { 0x0f, 0x02 }, /* width */ + { 0x10, 0x94 }, /* 0xa0 //height */ + + { 0x50, 0x01 }, /* crop enable */ + { 0x51, 0x00 }, + { 0x52, 0x00 }, + { 0x53, 0x00 }, + { 0x54, 0x01 }, + { 0x55, 0x01 }, /* crop window height */ + { 0x56, 0xf0 }, + { 0x57, 0x02 }, /* crop window width */ + { 0x58, 0x90 }, + + { 0xfe, 0x03 }, + { 0x12, 0x90 }, /* 00 //04 //00 //04//00 //LWC[7:0] */ + { 0x13, 0x02 }, /* 05 //05 //LWC[15:8] */ + + { 0xfe, 0x00 }, +}; /* * gc0310_write_reg_array - Initializes a list of GC0310 registers @@ -179,7 +411,10 @@ static int gc0310_detect(struct i2c_client *client) if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) return -ENODEV; - ret = i2c_smbus_read_word_swapped(client, GC0310_SC_CMMN_CHIP_ID_H); + ret = pm_runtime_get_sync(&client->dev); + if (ret >= 0) + ret = i2c_smbus_read_word_swapped(client, GC0310_SC_CMMN_CHIP_ID_H); + pm_runtime_put(&client->dev); if (ret < 0) { dev_err(&client->dev, "read sensor_id failed: %d\n", ret); return -ENODEV; @@ -268,19 +503,6 @@ error_unlock: return ret; } -static int gc0310_s_config(struct v4l2_subdev *sd) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - int ret; - - ret = pm_runtime_get_sync(&client->dev); - if (ret >= 0) - ret = gc0310_detect(client); - - pm_runtime_put(&client->dev); - return ret; -} - static int gc0310_g_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *interval) { @@ -373,12 +595,12 @@ static void gc0310_remove(struct i2c_client *client) dev_dbg(&client->dev, "gc0310_remove...\n"); - atomisp_unregister_subdev(sd); - v4l2_device_unregister_subdev(sd); + v4l2_async_unregister_subdev(sd); media_entity_cleanup(&dev->sd.entity); v4l2_ctrl_handler_free(&dev->ctrls.handler); + mutex_destroy(&dev->input_lock); + fwnode_handle_put(dev->ep_fwnode); pm_runtime_disable(&client->dev); - kfree(dev); } static int gc0310_probe(struct i2c_client *client) @@ -390,19 +612,27 @@ static int gc0310_probe(struct i2c_client *client) if (!dev) return -ENOMEM; - ret = v4l2_get_acpi_sensor_info(&client->dev, NULL); - if (ret) - return ret; + /* + * Sometimes the fwnode graph is initialized by the bridge driver. + * Bridge drivers doing this may also add GPIO mappings, wait for this. + */ + dev->ep_fwnode = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); + if (!dev->ep_fwnode) + return dev_err_probe(&client->dev, -EPROBE_DEFER, "waiting for fwnode graph endpoint\n"); dev->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(dev->reset)) + if (IS_ERR(dev->reset)) { + fwnode_handle_put(dev->ep_fwnode); return dev_err_probe(&client->dev, PTR_ERR(dev->reset), "getting reset GPIO\n"); + } dev->powerdown = devm_gpiod_get(&client->dev, "powerdown", GPIOD_OUT_HIGH); - if (IS_ERR(dev->powerdown)) + if (IS_ERR(dev->powerdown)) { + fwnode_handle_put(dev->ep_fwnode); return dev_err_probe(&client->dev, PTR_ERR(dev->powerdown), "getting powerdown GPIO\n"); + } mutex_init(&dev->input_lock); v4l2_i2c_subdev_init(&dev->sd, client, &gc0310_ops); @@ -413,7 +643,7 @@ static int gc0310_probe(struct i2c_client *client) pm_runtime_set_autosuspend_delay(&client->dev, 1000); pm_runtime_use_autosuspend(&client->dev); - ret = gc0310_s_config(&dev->sd); + ret = gc0310_detect(client); if (ret) { gc0310_remove(client); return ret; @@ -422,6 +652,7 @@ static int gc0310_probe(struct i2c_client *client) dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; dev->pad.flags = MEDIA_PAD_FL_SOURCE; dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; + dev->sd.fwnode = dev->ep_fwnode; ret = gc0310_init_controls(dev); if (ret) { @@ -435,8 +666,7 @@ static int gc0310_probe(struct i2c_client *client) return ret; } - ret = atomisp_register_sensor_no_gmin(&dev->sd, 1, ATOMISP_INPUT_FORMAT_RAW_8, - atomisp_bayer_order_grbg); + ret = v4l2_async_register_subdev_sensor(&dev->sd); if (ret) { gc0310_remove(client); return ret; @@ -471,7 +701,6 @@ static int gc0310_resume(struct device *dev) static DEFINE_RUNTIME_DEV_PM_OPS(gc0310_pm_ops, gc0310_suspend, gc0310_resume, NULL); static const struct acpi_device_id gc0310_acpi_match[] = { - {"XXGC0310"}, {"INT0310"}, {}, }; @@ -483,7 +712,7 @@ static struct i2c_driver gc0310_driver = { .pm = pm_sleep_ptr(&gc0310_pm_ops), .acpi_match_table = gc0310_acpi_match, }, - .probe_new = gc0310_probe, + .probe = gc0310_probe, .remove = gc0310_remove, }; module_i2c_driver(gc0310_driver); |