drivers/media/i2c/ccs/ccs-quirk.c

Source file repositories/reference/linux-study-clean/drivers/media/i2c/ccs/ccs-quirk.c

File Facts

System
Linux kernel
Corpus path
drivers/media/i2c/ccs/ccs-quirk.c
Extension
.c
Size
6796 bytes
Lines
218
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (rval < 0) {
			dev_err(&client->dev,
				"error %d writing reg 0x%4.4x, val 0x%2.2x",
				rval, regs->reg, regs->val);
			return rval;
		}
	}

	return 0;
}

static int jt8ew9_limits(struct ccs_sensor *sensor)
{
	if (sensor->minfo.revision_number < 0x0300)
		sensor->frame_skip = 1;

	/* Below 24 gain doesn't have effect at all, */
	/* but ~59 is needed for full dynamic range */
	ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MIN, 0, 59);
	ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MAX, 0, 6000);

	return 0;
}

static int jt8ew9_post_poweron(struct ccs_sensor *sensor)
{
	static const struct ccs_reg_8 regs[] = {
		{ 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */
		{ 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
		{ 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
		{ 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */
		{ 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
		{ 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
		{ 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
		{ 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
		{ 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */
		{ 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
		{ 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
		{ 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
		{ 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
		{ 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
		{ 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
		{ 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
		{ 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
		{ 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
		{ 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */
		{ 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */
		{ 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */
		{ 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
		{ 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
		/* Taken from v03. No idea what the rest are. */
		{ 0x32e0, 0x05 },
		{ 0x32e1, 0x05 },
		{ 0x32e2, 0x04 },
		{ 0x32e5, 0x04 },
		{ 0x32e6, 0x04 },

	};

	return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
}

const struct ccs_quirk smiapp_jt8ew9_quirk = {
	.limits = jt8ew9_limits,
	.post_poweron = jt8ew9_post_poweron,
};

static int imx125es_post_poweron(struct ccs_sensor *sensor)
{
	/* Taken from v02. No idea what the other two are. */
	static const struct ccs_reg_8 regs[] = {
		/*
		 * 0x3302: clk during frame blanking:
		 * 0x00 - HS mode, 0x01 - LP11
		 */
		{ 0x3302, 0x01 },
		{ 0x302d, 0x00 },
		{ 0x3b08, 0x8c },
	};

	return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
}

const struct ccs_quirk smiapp_imx125es_quirk = {
	.post_poweron = imx125es_post_poweron,
};

static int jt8ev1_limits(struct ccs_sensor *sensor)
{
	ccs_replace_limit(sensor, CCS_L_X_ADDR_MAX, 0, 4271);

Annotation

Implementation Notes