drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.c
Extension
.c
Size
27233 bytes
Lines
768
Domain
Driver Families
Bucket
drivers/net
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 (!(i & 1)) {
			rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
			rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
			udelay(1);
		}

		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
				  reg | (1 << 1));
		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
		udelay(2);
		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
				  reg | (1 << 1));
		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
		udelay(2);

		if (i & 1) {
			rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
			rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
			udelay(1);
		}
	}

	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x000E);
	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x040E);
	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
			  reg80 | (1 << 3) | (1 << 1));
	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
	udelay(2);
	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
			  reg80 | (1 << 3));
	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
	udelay(2);
	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
			  reg80 | (1 << 3));
	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
	udelay(2);

	out = 0;
	for (i = 11; i >= 0; i--) {
		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
				  reg80 | (1 << 3));
		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
		udelay(1);
		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
				  reg80 | (1 << 3) | (1 << 1));
		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
		udelay(2);
		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
				  reg80 | (1 << 3) | (1 << 1));
		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
		udelay(2);
		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
				  reg80 | (1 << 3) | (1 << 1));
		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
		udelay(2);

		if (rtl818x_ioread16(priv, &priv->map->RFPinsInput) & (1 << 1))
			out |= 1 << i;

		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
				  reg80 | (1 << 3));
		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
		udelay(2);
	}

	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
			  reg80 | (1 << 3) | (1 << 2));
	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
	udelay(2);

	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82);
	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84);
	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x03A0);

	return out;
}

static const u16 rtl8225bcd_rxgain[] = {
	0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409,
	0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541,
	0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583,
	0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644,
	0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688,
	0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745,
	0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789,
	0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793,
	0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d,
	0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9,
	0x07aa, 0x07ab, 0x07ac, 0x07ad, 0x07b0, 0x07b1, 0x07b2, 0x07b3,

Annotation

Implementation Notes