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path: root/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
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Diffstat (limited to 'drivers/staging/media/atomisp/i2c/atomisp-gc0310.c')
-rw-r--r--drivers/staging/media/atomisp/i2c/atomisp-gc0310.c313
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);