Message-ID: <20081009003429.13478.3529.stgit@speedy5>
Date:	Wed, 08 Oct 2008 17:34:29 -0700
From:	Divy Le Ray <divy@...lsio.com>
To:	jeff@...zik.org
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	swise@...ngridcomputing.com
Subject: [PATCH 7/8 2.6.28] cxgb3 - Support for Aeluros 2005 PHY

From: Divy Le Ray <divy@...lsio.com>

Add support for SR PHY.
Auto-detect phy module type, and report type changes.

Signed-off-by: Divy Le Ray <divy@...lsio.com>
---

 drivers/net/cxgb3/ael1002.c    | 1010 +++++++++++++++++++++++++++++++++++++++-
 drivers/net/cxgb3/common.h     |   20 +
 drivers/net/cxgb3/cxgb3_main.c |   25 +
 drivers/net/cxgb3/t3_hw.c      |    4 
 4 files changed, 1040 insertions(+), 19 deletions(-)

diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c
index f6e575f..744fac0 100644
--- a/drivers/net/cxgb3/ael1002.c
+++ b/drivers/net/cxgb3/ael1002.c
@@ -33,14 +33,57 @@
 #include "regs.h"
 
 enum {
+	PMD_RSD     = 10,   /* PMA/PMD receive signal detect register */
+	PCS_STAT1_X = 24,   /* 10GBASE-X PCS status 1 register */
+	PCS_STAT1_R = 32,   /* 10GBASE-R PCS status 1 register */
+	XS_LN_STAT  = 24    /* XS lane status register */
+};
+
+enum {
 	AEL100X_TX_DISABLE = 9,
 	AEL100X_TX_CONFIG1 = 0xc002,
 	AEL1002_PWR_DOWN_HI = 0xc011,
 	AEL1002_PWR_DOWN_LO = 0xc012,
 	AEL1002_XFI_EQL = 0xc015,
 	AEL1002_LB_EN = 0xc017,
+	AEL_OPT_SETTINGS = 0xc017,
+	AEL_I2C_CTRL = 0xc30a,
+	AEL_I2C_DATA = 0xc30b,
+	AEL_I2C_STAT = 0xc30c,
+	AEL2005_GPIO_CTRL = 0xc214,
+	AEL2005_GPIO_STAT = 0xc215,
+};
+
+enum { edc_none, edc_sr, edc_twinax };
+
+/* PHY module I2C device address */
+#define MODULE_DEV_ADDR 0xa0
+
+#define AEL2005_MODDET_IRQ 4
+
+struct reg_val {
+	unsigned short mmd_addr;
+	unsigned short reg_addr;
+	unsigned short clear_bits;
+	unsigned short set_bits;
 };
 
+static int set_phy_regs(struct cphy *phy, const struct reg_val *rv)
+{
+	int err;
+
+	for (err = 0; rv->mmd_addr && !err; rv++) {
+		if (rv->clear_bits == 0xffff)
+			err = mdio_write(phy, rv->mmd_addr, rv->reg_addr,
+					 rv->set_bits);
+		else
+			err = t3_mdio_change_bits(phy, rv->mmd_addr,
+						  rv->reg_addr, rv->clear_bits,
+						  rv->set_bits);
+	}
+	return err;
+}
+
 static void ael100x_txon(struct cphy *phy)
 {
 	int tx_on_gpio = phy->addr == 0 ? F_GPIO7_OUT_VAL : F_GPIO2_OUT_VAL;
@@ -81,23 +124,23 @@ static int ael1002_intr_noop(struct cphy *phy)
 	return 0;
 }
 
-static int ael100x_get_link_status(struct cphy *phy, int *link_ok,
-				   int *speed, int *duplex, int *fc)
+/*
+ * Get link status for a 10GBASE-R device.
+ */
+static int get_link_status_r(struct cphy *phy, int *link_ok, int *speed,
+			     int *duplex, int *fc)
 {
 	if (link_ok) {
-		unsigned int status;
-		int err = mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, &status);
-
-		/*
-		 * BMSR_LSTATUS is latch-low, so if it is 0 we need to read it
-		 * once more to get the current link state.
-		 */
-		if (!err && !(status & BMSR_LSTATUS))
-			err = mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR,
-					&status);
+		unsigned int stat0, stat1, stat2;
+		int err = mdio_read(phy, MDIO_DEV_PMA_PMD, PMD_RSD, &stat0);
+
+		if (!err)
+			err = mdio_read(phy, MDIO_DEV_PCS, PCS_STAT1_R, &stat1);
+		if (!err)
+			err = mdio_read(phy, MDIO_DEV_XGXS, XS_LN_STAT, &stat2);
 		if (err)
 			return err;
-		*link_ok = !!(status & BMSR_LSTATUS);
+		*link_ok = (stat0 & stat1 & (stat2 >> 12)) & 1;
 	}
 	if (speed)
 		*speed = SPEED_10000;
@@ -112,7 +155,7 @@ static struct cphy_ops ael1002_ops = {
 	.intr_disable = ael1002_intr_noop,
 	.intr_clear = ael1002_intr_noop,
 	.intr_handler = ael1002_intr_noop,
-	.get_link_status = ael100x_get_link_status,
+	.get_link_status = get_link_status_r,
 	.power_down = ael1002_power_down,
 };
 
@@ -143,7 +186,7 @@ static struct cphy_ops ael1006_ops = {
 	.intr_disable = t3_phy_lasi_intr_disable,
 	.intr_clear = t3_phy_lasi_intr_clear,
 	.intr_handler = t3_phy_lasi_intr_handler,
-	.get_link_status = ael100x_get_link_status,
+	.get_link_status = get_link_status_r,
 	.power_down = ael1006_power_down,
 };
 
@@ -157,13 +200,948 @@ int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
 	return 0;
 }
 
+static int ael2005_setup_sr_edc(struct cphy *phy)
+{
+	static struct reg_val regs[] = {
+		{ MDIO_DEV_PMA_PMD, 0xc003, 0xffff, 0x181 },
+		{ MDIO_DEV_PMA_PMD, 0xc010, 0xffff, 0x448a },
+		{ MDIO_DEV_PMA_PMD, 0xc04a, 0xffff, 0x5200 },
+		{ 0, 0, 0, 0 }
+	};
+	static u16 sr_edc[] = {
+		0xcc00, 0x2ff4,
+		0xcc01, 0x3cd4,
+		0xcc02, 0x2015,
+		0xcc03, 0x3105,
+		0xcc04, 0x6524,
+		0xcc05, 0x27ff,
+		0xcc06, 0x300f,
+		0xcc07, 0x2c8b,
+		0xcc08, 0x300b,
+		0xcc09, 0x4009,
+		0xcc0a, 0x400e,
+		0xcc0b, 0x2f72,
+		0xcc0c, 0x3002,
+		0xcc0d, 0x1002,
+		0xcc0e, 0x2172,
+		0xcc0f, 0x3012,
+		0xcc10, 0x1002,
+		0xcc11, 0x25d2,
+		0xcc12, 0x3012,
+		0xcc13, 0x1002,
+		0xcc14, 0xd01e,
+		0xcc15, 0x27d2,
+		0xcc16, 0x3012,
+		0xcc17, 0x1002,
+		0xcc18, 0x2004,
+		0xcc19, 0x3c84,
+		0xcc1a, 0x6436,
+		0xcc1b, 0x2007,
+		0xcc1c, 0x3f87,
+		0xcc1d, 0x8676,
+		0xcc1e, 0x40b7,
+		0xcc1f, 0xa746,
+		0xcc20, 0x4047,
+		0xcc21, 0x5673,
+		0xcc22, 0x2982,
+		0xcc23, 0x3002,
+		0xcc24, 0x13d2,
+		0xcc25, 0x8bbd,
+		0xcc26, 0x2862,
+		0xcc27, 0x3012,
+		0xcc28, 0x1002,
+		0xcc29, 0x2092,
+		0xcc2a, 0x3012,
+		0xcc2b, 0x1002,
+		0xcc2c, 0x5cc3,
+		0xcc2d, 0x314,
+		0xcc2e, 0x2942,
+		0xcc2f, 0x3002,
+		0xcc30, 0x1002,
+		0xcc31, 0xd019,
+		0xcc32, 0x2032,
+		0xcc33, 0x3012,
+		0xcc34, 0x1002,
+		0xcc35, 0x2a04,
+		0xcc36, 0x3c74,
+		0xcc37, 0x6435,
+		0xcc38, 0x2fa4,
+		0xcc39, 0x3cd4,
+		0xcc3a, 0x6624,
+		0xcc3b, 0x5563,
+		0xcc3c, 0x2d42,
+		0xcc3d, 0x3002,
+		0xcc3e, 0x13d2,
+		0xcc3f, 0x464d,
+		0xcc40, 0x2862,
+		0xcc41, 0x3012,
+		0xcc42, 0x1002,
+		0xcc43, 0x2032,
+		0xcc44, 0x3012,
+		0xcc45, 0x1002,
+		0xcc46, 0x2fb4,
+		0xcc47, 0x3cd4,
+		0xcc48, 0x6624,
+		0xcc49, 0x5563,
+		0xcc4a, 0x2d42,
+		0xcc4b, 0x3002,
+		0xcc4c, 0x13d2,
+		0xcc4d, 0x2ed2,
+		0xcc4e, 0x3002,
+		0xcc4f, 0x1002,
+		0xcc50, 0x2fd2,
+		0xcc51, 0x3002,
+		0xcc52, 0x1002,
+		0xcc53, 0x004,
+		0xcc54, 0x2942,
+		0xcc55, 0x3002,
+		0xcc56, 0x1002,
+		0xcc57, 0x2092,
+		0xcc58, 0x3012,
+		0xcc59, 0x1002,
+		0xcc5a, 0x5cc3,
+		0xcc5b, 0x317,
+		0xcc5c, 0x2f72,
+		0xcc5d, 0x3002,
+		0xcc5e, 0x1002,
+		0xcc5f, 0x2942,
+		0xcc60, 0x3002,
+		0xcc61, 0x1002,
+		0xcc62, 0x22cd,
+		0xcc63, 0x301d,
+		0xcc64, 0x2862,
+		0xcc65, 0x3012,
+		0xcc66, 0x1002,
+		0xcc67, 0x2ed2,
+		0xcc68, 0x3002,
+		0xcc69, 0x1002,
+		0xcc6a, 0x2d72,
+		0xcc6b, 0x3002,
+		0xcc6c, 0x1002,
+		0xcc6d, 0x628f,
+		0xcc6e, 0x2112,
+		0xcc6f, 0x3012,
+		0xcc70, 0x1002,
+		0xcc71, 0x5aa3,
+		0xcc72, 0x2dc2,
+		0xcc73, 0x3002,
+		0xcc74, 0x1312,
+		0xcc75, 0x6f72,
+		0xcc76, 0x1002,
+		0xcc77, 0x2807,
+		0xcc78, 0x31a7,
+		0xcc79, 0x20c4,
+		0xcc7a, 0x3c24,
+		0xcc7b, 0x6724,
+		0xcc7c, 0x1002,
+		0xcc7d, 0x2807,
+		0xcc7e, 0x3187,
+		0xcc7f, 0x20c4,
+		0xcc80, 0x3c24,
+		0xcc81, 0x6724,
+		0xcc82, 0x1002,
+		0xcc83, 0x2514,
+		0xcc84, 0x3c64,
+		0xcc85, 0x6436,
+		0xcc86, 0xdff4,
+		0xcc87, 0x6436,
+		0xcc88, 0x1002,
+		0xcc89, 0x40a4,
+		0xcc8a, 0x643c,
+		0xcc8b, 0x4016,
+		0xcc8c, 0x8c6c,
+		0xcc8d, 0x2b24,
+		0xcc8e, 0x3c24,
+		0xcc8f, 0x6435,
+		0xcc90, 0x1002,
+		0xcc91, 0x2b24,
+		0xcc92, 0x3c24,
+		0xcc93, 0x643a,
+		0xcc94, 0x4025,
+		0xcc95, 0x8a5a,
+		0xcc96, 0x1002,
+		0xcc97, 0x2731,
+		0xcc98, 0x3011,
+		0xcc99, 0x1001,
+		0xcc9a, 0xc7a0,
+		0xcc9b, 0x100,
+		0xcc9c, 0xc502,
+		0xcc9d, 0x53ac,
+		0xcc9e, 0xc503,
+		0xcc9f, 0xd5d5,
+		0xcca0, 0xc600,
+		0xcca1, 0x2a6d,
+		0xcca2, 0xc601,
+		0xcca3, 0x2a4c,
+		0xcca4, 0xc602,
+		0xcca5, 0x111,
+		0xcca6, 0xc60c,
+		0xcca7, 0x5900,
+		0xcca8, 0xc710,
+		0xcca9, 0x700,
+		0xccaa, 0xc718,
+		0xccab, 0x700,
+		0xccac, 0xc720,
+		0xccad, 0x4700,
+		0xccae, 0xc801,
+		0xccaf, 0x7f50,
+		0xccb0, 0xc802,
+		0xccb1, 0x7760,
+		0xccb2, 0xc803,
+		0xccb3, 0x7fce,
+		0xccb4, 0xc804,
+		0xccb5, 0x5700,
+		0xccb6, 0xc805,
+		0xccb7, 0x5f11,
+		0xccb8, 0xc806,
+		0xccb9, 0x4751,
+		0xccba, 0xc807,
+		0xccbb, 0x57e1,
+		0xccbc, 0xc808,
+		0xccbd, 0x2700,
+		0xccbe, 0xc809,
+		0xccbf, 0x000,
+		0xccc0, 0xc821,
+		0xccc1, 0x002,
+		0xccc2, 0xc822,
+		0xccc3, 0x014,
+		0xccc4, 0xc832,
+		0xccc5, 0x1186,
+		0xccc6, 0xc847,
+		0xccc7, 0x1e02,
+		0xccc8, 0xc013,
+		0xccc9, 0xf341,
+		0xccca, 0xc01a,
+		0xcccb, 0x446,
+		0xcccc, 0xc024,
+		0xcccd, 0x1000,
+		0xccce, 0xc025,
+		0xcccf, 0xa00,
+		0xccd0, 0xc026,
+		0xccd1, 0xc0c,
+		0xccd2, 0xc027,
+		0xccd3, 0xc0c,
+		0xccd4, 0xc029,
+		0xccd5, 0x0a0,
+		0xccd6, 0xc030,
+		0xccd7, 0xa00,
+		0xccd8, 0xc03c,
+		0xccd9, 0x01c,
+		0xccda, 0xc005,
+		0xccdb, 0x7a06,
+		0xccdc, 0x000,
+		0xccdd, 0x2731,
+		0xccde, 0x3011,
+		0xccdf, 0x1001,
+		0xcce0, 0xc620,
+		0xcce1, 0x000,
+		0xcce2, 0xc621,
+		0xcce3, 0x03f,
+		0xcce4, 0xc622,
+		0xcce5, 0x000,
+		0xcce6, 0xc623,
+		0xcce7, 0x000,
+		0xcce8, 0xc624,
+		0xcce9, 0x000,
+		0xccea, 0xc625,
+		0xcceb, 0x000,
+		0xccec, 0xc627,
+		0xcced, 0x000,
+		0xccee, 0xc628,
+		0xccef, 0x000,
+		0xccf0, 0xc62c,
+		0xccf1, 0x000,
+		0xccf2, 0x000,
+		0xccf3, 0x2806,
+		0xccf4, 0x3cb6,
+		0xccf5, 0xc161,
+		0xccf6, 0x6134,
+		0xccf7, 0x6135,
+		0xccf8, 0x5443,
+		0xccf9, 0x303,
+		0xccfa, 0x6524,
+		0xccfb, 0x00b,
+		0xccfc, 0x1002,
+		0xccfd, 0x2104,
+		0xccfe, 0x3c24,
+		0xccff, 0x2105,
+		0xcd00, 0x3805,
+		0xcd01, 0x6524,
+		0xcd02, 0xdff4,
+		0xcd03, 0x4005,
+		0xcd04, 0x6524,
+		0xcd05, 0x1002,
+		0xcd06, 0x5dd3,
+		0xcd07, 0x306,
+		0xcd08, 0x2ff7,
+		0xcd09, 0x38f7,
+		0xcd0a, 0x60b7,
+		0xcd0b, 0xdffd,
+		0xcd0c, 0x00a,
+		0xcd0d, 0x1002,
+		0xcd0e, 0
+	};
+	int i, err;
+
+	err = set_phy_regs(phy, regs);
+	if (err)
+		return err;
+
+	msleep(50);
+
+	for (i = 0; i < ARRAY_SIZE(sr_edc) && !err; i += 2)
+		err = mdio_write(phy, MDIO_DEV_PMA_PMD, sr_edc[i],
+				 sr_edc[i + 1]);
+	if (!err)
+		phy->priv = edc_sr;
+	return err;
+}
+
+static int ael2005_setup_twinax_edc(struct cphy *phy, int modtype)
+{
+	static struct reg_val regs[] = {
+		{ MDIO_DEV_PMA_PMD, 0xc04a, 0xffff, 0x5a00 },
+		{ 0, 0, 0, 0 }
+	};
+	static struct reg_val preemphasis[] = {
+		{ MDIO_DEV_PMA_PMD, 0xc014, 0xffff, 0xfe16 },
+		{ MDIO_DEV_PMA_PMD, 0xc015, 0xffff, 0xa000 },
+		{ 0, 0, 0, 0 }
+	};
+	static u16 twinax_edc[] = {
+		0xcc00, 0x4009,
+		0xcc01, 0x27ff,
+		0xcc02, 0x300f,
+		0xcc03, 0x40aa,
+		0xcc04, 0x401c,
+		0xcc05, 0x401e,
+		0xcc06, 0x2ff4,
+		0xcc07, 0x3cd4,
+		0xcc08, 0x2035,
+		0xcc09, 0x3145,
+		0xcc0a, 0x6524,
+		0xcc0b, 0x26a2,
+		0xcc0c, 0x3012,
+		0xcc0d, 0x1002,
+		0xcc0e, 0x29c2,
+		0xcc0f, 0x3002,
+		0xcc10, 0x1002,
+		0xcc11, 0x2072,
+		0xcc12, 0x3012,
+		0xcc13, 0x1002,
+		0xcc14, 0x22cd,
+		0xcc15, 0x301d,
+		0xcc16, 0x2e52,
+		0xcc17, 0x3012,
+		0xcc18, 0x1002,
+		0xcc19, 0x28e2,
+		0xcc1a, 0x3002,
+		0xcc1b, 0x1002,
+		0xcc1c, 0x628f,
+		0xcc1d, 0x2ac2,
+		0xcc1e, 0x3012,
+		0xcc1f, 0x1002,
+		0xcc20, 0x5553,
+		0xcc21, 0x2ae2,
+		0xcc22, 0x3002,
+		0xcc23, 0x1302,
+		0xcc24, 0x401e,
+		0xcc25, 0x2be2,
+		0xcc26, 0x3012,
+		0xcc27, 0x1002,
+		0xcc28, 0x2da2,
+		0xcc29, 0x3012,
+		0xcc2a, 0x1002,
+		0xcc2b, 0x2ba2,
+		0xcc2c, 0x3002,
+		0xcc2d, 0x1002,
+		0xcc2e, 0x5ee3,
+		0xcc2f, 0x305,
+		0xcc30, 0x400e,
+		0xcc31, 0x2bc2,
+		0xcc32, 0x3002,
+		0xcc33, 0x1002,
+		0xcc34, 0x2b82,
+		0xcc35, 0x3012,
+		0xcc36, 0x1002,
+		0xcc37, 0x5663,
+		0xcc38, 0x302,
+		0xcc39, 0x401e,
+		0xcc3a, 0x6f72,
+		0xcc3b, 0x1002,
+		0xcc3c, 0x628f,
+		0xcc3d, 0x2be2,
+		0xcc3e, 0x3012,
+		0xcc3f, 0x1002,
+		0xcc40, 0x22cd,
+		0xcc41, 0x301d,
+		0xcc42, 0x2e52,
+		0xcc43, 0x3012,
+		0xcc44, 0x1002,
+		0xcc45, 0x2522,
+		0xcc46, 0x3012,
+		0xcc47, 0x1002,
+		0xcc48, 0x2da2,
+		0xcc49, 0x3012,
+		0xcc4a, 0x1002,
+		0xcc4b, 0x2ca2,
+		0xcc4c, 0x3012,
+		0xcc4d, 0x1002,
+		0xcc4e, 0x2fa4,
+		0xcc4f, 0x3cd4,
+		0xcc50, 0x6624,
+		0xcc51, 0x410b,
+		0xcc52, 0x56b3,
+		0xcc53, 0x3c4,
+		0xcc54, 0x2fb2,
+		0xcc55, 0x3002,
+		0xcc56, 0x1002,
+		0xcc57, 0x220b,
+		0xcc58, 0x303b,
+		0xcc59, 0x56b3,
+		0xcc5a, 0x3c3,
+		0xcc5b, 0x866b,
+		0xcc5c, 0x400c,
+		0xcc5d, 0x23a2,
+		0xcc5e, 0x3012,
+		0xcc5f, 0x1002,
+		0xcc60, 0x2da2,
+		0xcc61, 0x3012,
+		0xcc62, 0x1002,
+		0xcc63, 0x2ca2,
+		0xcc64, 0x3012,
+		0xcc65, 0x1002,
+		0xcc66, 0x2fb4,
+		0xcc67, 0x3cd4,
+		0xcc68, 0x6624,
+		0xcc69, 0x56b3,
+		0xcc6a, 0x3c3,
+		0xcc6b, 0x866b,
+		0xcc6c, 0x401c,
+		0xcc6d, 0x2205,
+		0xcc6e, 0x3035,
+		0xcc6f, 0x5b53,
+		0xcc70, 0x2c52,
+		0xcc71, 0x3002,
+		0xcc72, 0x13c2,
+		0xcc73, 0x5cc3,
+		0xcc74, 0x317,
+		0xcc75, 0x2522,
+		0xcc76, 0x3012,
+		0xcc77, 0x1002,
+		0xcc78, 0x2da2,
+		0xcc79, 0x3012,
+		0xcc7a, 0x1002,
+		0xcc7b, 0x2b82,
+		0xcc7c, 0x3012,
+		0xcc7d, 0x1002,
+		0xcc7e, 0x5663,
+		0xcc7f, 0x303,
+		0xcc80, 0x401e,
+		0xcc81, 0x004,
+		0xcc82, 0x2c42,
+		0xcc83, 0x3012,
+		0xcc84, 0x1002,
+		0xcc85, 0x6f72,
+		0xcc86, 0x1002,
+		0xcc87, 0x628f,
+		0xcc88, 0x2304,
+		0xcc89, 0x3c84,
+		0xcc8a, 0x6436,
+		0xcc8b, 0xdff4,
+		0xcc8c, 0x6436,
+		0xcc8d, 0x2ff5,
+		0xcc8e, 0x3005,
+		0xcc8f, 0x8656,
+		0xcc90, 0xdfba,
+		0xcc91, 0x56a3,
+		0xcc92, 0xd05a,
+		0xcc93, 0x21c2,
+		0xcc94, 0x3012,
+		0xcc95, 0x1392,
+		0xcc96, 0xd05a,
+		0xcc97, 0x56a3,
+		0xcc98, 0xdfba,
+		0xcc99, 0x383,
+		0xcc9a, 0x6f72,
+		0xcc9b, 0x1002,
+		0xcc9c, 0x28c5,
+		0xcc9d, 0x3005,
+		0xcc9e, 0x4178,
+		0xcc9f, 0x5653,
+		0xcca0, 0x384,
+		0xcca1, 0x22b2,
+		0xcca2, 0x3012,
+		0xcca3, 0x1002,
+		0xcca4, 0x2be5,
+		0xcca5, 0x3005,
+		0xcca6, 0x41e8,
+		0xcca7, 0x5653,
+		0xcca8, 0x382,
+		0xcca9, 0x002,
+		0xccaa, 0x4258,
+		0xccab, 0x2474,
+		0xccac, 0x3c84,
+		0xccad, 0x6437,
+		0xccae, 0xdff4,
+		0xccaf, 0x6437,
+		0xccb0, 0x2ff5,
+		0xccb1, 0x3c05,
+		0xccb2, 0x8757,
+		0xccb3, 0xb888,
+		0xccb4, 0x9787,
+		0xccb5, 0xdff4,
+		0xccb6, 0x6724,
+		0xccb7, 0x866a,
+		0xccb8, 0x6f72,
+		0xccb9, 0x1002,
+		0xccba, 0x2d01,
+		0xccbb, 0x3011,
+		0xccbc, 0x1001,
+		0xccbd, 0xc620,
+		0xccbe, 0x14e5,
+		0xccbf, 0xc621,
+		0xccc0, 0xc53d,
+		0xccc1, 0xc622,
+		0xccc2, 0x3cbe,
+		0xccc3, 0xc623,
+		0xccc4, 0x4452,
+		0xccc5, 0xc624,
+		0xccc6, 0xc5c5,
+		0xccc7, 0xc625,
+		0xccc8, 0xe01e,
+		0xccc9, 0xc627,
+		0xccca, 0x000,
+		0xcccb, 0xc628,
+		0xcccc, 0x000,
+		0xcccd, 0xc62b,
+		0xccce, 0x000,
+		0xcccf, 0xc62c,
+		0xccd0, 0x000,
+		0xccd1, 0x000,
+		0xccd2, 0x2d01,
+		0xccd3, 0x3011,
+		0xccd4, 0x1001,
+		0xccd5, 0xc620,
+		0xccd6, 0x000,
+		0xccd7, 0xc621,
+		0xccd8, 0x000,
+		0xccd9, 0xc622,
+		0xccda, 0x0ce,
+		0xccdb, 0xc623,
+		0xccdc, 0x07f,
+		0xccdd, 0xc624,
+		0xccde, 0x032,
+		0xccdf, 0xc625,
+		0xcce0, 0x000,
+		0xcce1, 0xc627,
+		0xcce2, 0x000,
+		0xcce3, 0xc628,
+		0xcce4, 0x000,
+		0xcce5, 0xc62b,
+		0xcce6, 0x000,
+		0xcce7, 0xc62c,
+		0xcce8, 0x000,
+		0xcce9, 0x000,
+		0xccea, 0x2d01,
+		0xcceb, 0x3011,
+		0xccec, 0x1001,
+		0xcced, 0xc502,
+		0xccee, 0x609f,
+		0xccef, 0xc600,
+		0xccf0, 0x2a6e,
+		0xccf1, 0xc601,
+		0xccf2, 0x2a2c,
+		0xccf3, 0xc60c,
+		0xccf4, 0x5400,
+		0xccf5, 0xc710,
+		0xccf6, 0x700,
+		0xccf7, 0xc718,
+		0xccf8, 0x700,
+		0xccf9, 0xc720,
+		0xccfa, 0x4700,
+		0xccfb, 0xc728,
+		0xccfc, 0x700,
+		0xccfd, 0xc729,
+		0xccfe, 0x1207,
+		0xccff, 0xc801,
+		0xcd00, 0x7f50,
+		0xcd01, 0xc802,
+		0xcd02, 0x7760,
+		0xcd03, 0xc803,
+		0xcd04, 0x7fce,
+		0xcd05, 0xc804,
+		0xcd06, 0x520e,
+		0xcd07, 0xc805,
+		0xcd08, 0x5c11,
+		0xcd09, 0xc806,
+		0xcd0a, 0x3c51,
+		0xcd0b, 0xc807,
+		0xcd0c, 0x4061,
+		0xcd0d, 0xc808,
+		0xcd0e, 0x49c1,
+		0xcd0f, 0xc809,
+		0xcd10, 0x3840,
+		0xcd11, 0xc80a,
+		0xcd12, 0x000,
+		0xcd13, 0xc821,
+		0xcd14, 0x002,
+		0xcd15, 0xc822,
+		0xcd16, 0x046,
+		0xcd17, 0xc844,
+		0xcd18, 0x182f,
+		0xcd19, 0xc013,
+		0xcd1a, 0xf341,
+		0xcd1b, 0xc01a,
+		0xcd1c, 0x446,
+		0xcd1d, 0xc024,
+		0xcd1e, 0x1000,
+		0xcd1f, 0xc025,
+		0xcd20, 0xa00,
+		0xcd21, 0xc026,
+		0xcd22, 0xc0c,
+		0xcd23, 0xc027,
+		0xcd24, 0xc0c,
+		0xcd25, 0xc029,
+		0xcd26, 0x0a0,
+		0xcd27, 0xc030,
+		0xcd28, 0xa00,
+		0xcd29, 0xc03c,
+		0xcd2a, 0x01c,
+		0xcd2b, 0x000,
+		0xcd2c, 0x2b84,
+		0xcd2d, 0x3c74,
+		0xcd2e, 0x6435,
+		0xcd2f, 0xdff4,
+		0xcd30, 0x6435,
+		0xcd31, 0x2806,
+		0xcd32, 0x3006,
+		0xcd33, 0x8565,
+		0xcd34, 0x2b24,
+		0xcd35, 0x3c24,
+		0xcd36, 0x6436,
+		0xcd37, 0x1002,
+		0xcd38, 0x2b24,
+		0xcd39, 0x3c24,
+		0xcd3a, 0x6436,
+		0xcd3b, 0x4045,
+		0xcd3c, 0x8656,
+		0xcd3d, 0x1002,
+		0xcd3e, 0x2807,
+		0xcd3f, 0x31a7,
+		0xcd40, 0x20c4,
+		0xcd41, 0x3c24,
+		0xcd42, 0x6724,
+		0xcd43, 0x1002,
+		0xcd44, 0x2807,
+		0xcd45, 0x3187,
+		0xcd46, 0x20c4,
+		0xcd47, 0x3c24,
+		0xcd48, 0x6724,
+		0xcd49, 0x1002,
+		0xcd4a, 0x2514,
+		0xcd4b, 0x3c64,
+		0xcd4c, 0x6436,
+		0xcd4d, 0xdff4,
+		0xcd4e, 0x6436,
+		0xcd4f, 0x1002,
+		0xcd50, 0x2806,
+		0xcd51, 0x3cb6,
+		0xcd52, 0xc161,
+		0xcd53, 0x6134,
+		0xcd54, 0x6135,
+		0xcd55, 0x5443,
+		0xcd56, 0x303,
+		0xcd57, 0x6524,
+		0xcd58, 0x00b,
+		0xcd59, 0x1002,
+		0xcd5a, 0xd019,
+		0xcd5b, 0x2104,
+		0xcd5c, 0x3c24,
+		0xcd5d, 0x2105,
+		0xcd5e, 0x3805,
+		0xcd5f, 0x6524,
+		0xcd60, 0xdff4,
+		0xcd61, 0x4005,
+		0xcd62, 0x6524,
+		0xcd63, 0x2e8d,
+		0xcd64, 0x303d,
+		0xcd65, 0x5dd3,
+		0xcd66, 0x306,
+		0xcd67, 0x2ff7,
+		0xcd68, 0x38f7,
+		0xcd69, 0x60b7,
+		0xcd6a, 0xdffd,
+		0xcd6b, 0x00a,
+		0xcd6c, 0x1002,
+		0xcd6d, 0
+	};
+	int i, err;
+
+	err = set_phy_regs(phy, regs);
+	if (!err && modtype == phy_modtype_twinax_long)
+		err = set_phy_regs(phy, preemphasis);
+	if (err)
+		return err;
+
+	msleep(50);
+
+	for (i = 0; i < ARRAY_SIZE(twinax_edc) && !err; i += 2)
+		err = mdio_write(phy, MDIO_DEV_PMA_PMD, twinax_edc[i],
+				 twinax_edc[i + 1]);
+	if (!err)
+		phy->priv = edc_twinax;
+	return err;
+}
+
+static int ael2005_i2c_rd(struct cphy *phy, int dev_addr, int word_addr)
+{
+	int i, err;
+	unsigned int stat, data;
+
+	err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL_I2C_CTRL,
+			 (dev_addr << 8) | (1 << 8) | word_addr);
+	if (err)
+		return err;
+
+	for (i = 0; i < 5; i++) {
+		msleep(1);
+		err = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL_I2C_STAT, &stat);
+		if (err)
+			return err;
+		if ((stat & 3) == 1) {
+			err = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL_I2C_DATA,
+					&data);
+			if (err)
+				return err;
+			return data >> 8;
+		}
+	}
+	CH_WARN(phy->adapter, "PHY %u I2C read of addr %u timed out\n",
+		phy->addr, word_addr);
+	return -ETIMEDOUT;
+}
+
+static int get_module_type(struct cphy *phy, int delay_ms)
+{
+	int v;
+	unsigned int stat;
+
+	v = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL2005_GPIO_CTRL, &stat);
+	if (v)
+		return v;
+
+	if (stat & (1 << 8))			/* module absent */
+		return phy_modtype_none;
+
+	if (delay_ms)
+		msleep(delay_ms);
+
+	/* see SFF-8472 for below */
+	v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 3);
+	if (v < 0)
+		return v;
+
+	if (v == 0x10)
+		return phy_modtype_sr;
+	if (v == 0x20)
+		return phy_modtype_lr;
+	if (v == 0x40)
+		return phy_modtype_lrm;
+
+	v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 6);
+	if (v < 0)
+		return v;
+	if (v != 4)
+		goto unknown;
+
+	v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 10);
+	if (v < 0)
+		return v;
+
+	if (v & 0x80) {
+		v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 0x12);
+		if (v < 0)
+			return v;
+		return v > 10 ? phy_modtype_twinax_long : phy_modtype_twinax;
+	}
+unknown:
+	return phy_modtype_unknown;
+}
+
+static int ael2005_intr_enable(struct cphy *phy)
+{
+	int err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL2005_GPIO_CTRL, 0x200);
+	return err ? err : t3_phy_lasi_intr_enable(phy);
+}
+
+static int ael2005_intr_disable(struct cphy *phy)
+{
+	int err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL2005_GPIO_CTRL, 0x100);
+	return err ? err : t3_phy_lasi_intr_disable(phy);
+}
+
+static int ael2005_intr_clear(struct cphy *phy)
+{
+	int err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL2005_GPIO_CTRL, 0xd00);
+	return err ? err : t3_phy_lasi_intr_clear(phy);
+}
+
+static int ael2005_reset(struct cphy *phy, int wait)
+{
+	static struct reg_val regs0[] = {
+		{ MDIO_DEV_PMA_PMD, 0xc001, 0, 1 << 5 },
+		{ MDIO_DEV_PMA_PMD, 0xc017, 0, 1 << 5 },
+		{ MDIO_DEV_PMA_PMD, 0xc013, 0xffff, 0xf341 },
+		{ MDIO_DEV_PMA_PMD, 0xc210, 0xffff, 0x8000 },
+		{ MDIO_DEV_PMA_PMD, 0xc210, 0xffff, 0x8100 },
+		{ MDIO_DEV_PMA_PMD, 0xc210, 0xffff, 0x8000 },
+		{ MDIO_DEV_PMA_PMD, 0xc210, 0xffff, 0 },
+		{ 0, 0, 0, 0 }
+	};
+	static struct reg_val regs1[] = {
+		{ MDIO_DEV_PMA_PMD, 0xca00, 0xffff, 0x0080 },
+		{ MDIO_DEV_PMA_PMD, 0xca12, 0xffff, 0 },
+		{ 0, 0, 0, 0 }
+	};
+
+	int err, lasi_ctrl;
+
+	err = mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, &lasi_ctrl);
+	if (err)
+		return err;
+
+	err = t3_phy_reset(phy, MDIO_DEV_PMA_PMD, 0);
+	if (err)
+		return err;
+
+	msleep(125);
+	phy->priv = edc_none;
+	err = set_phy_regs(phy, regs0);
+	if (err)
+		return err;
+
+	msleep(50);
+
+	err = get_module_type(phy, 0);
+	if (err < 0)
+		return err;
+	phy->modtype = err;
+
+	if (err == phy_modtype_twinax || err == phy_modtype_twinax_long)
+		err = ael2005_setup_twinax_edc(phy, err);
+	else
+		err = ael2005_setup_sr_edc(phy);
+	if (err)
+		return err;
+
+	err = set_phy_regs(phy, regs1);
+	if (err)
+		return err;
+
+	/* reset wipes out interrupts, reenable them if they were on */
+	if (lasi_ctrl & 1)
+		err = ael2005_intr_enable(phy);
+	return err;
+}
+
+static int ael2005_intr_handler(struct cphy *phy)
+{
+	unsigned int stat;
+	int ret, edc_needed, cause = 0;
+
+	ret = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL2005_GPIO_STAT, &stat);
+	if (ret)
+		return ret;
+
+	if (stat & AEL2005_MODDET_IRQ) {
+		ret = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL2005_GPIO_CTRL,
+				 0xd00);
+		if (ret)
+			return ret;
+
+		/* modules have max 300 ms init time after hot plug */
+		ret = get_module_type(phy, 300);
+		if (ret < 0)
+			return ret;
+
+		phy->modtype = ret;
+		if (ret == phy_modtype_none)
+			edc_needed = phy->priv;       /* on unplug retain EDC */
+		else if (ret == phy_modtype_twinax ||
+			 ret == phy_modtype_twinax_long)
+			edc_needed = edc_twinax;
+		else
+			edc_needed = edc_sr;
+
+		if (edc_needed != phy->priv) {
+			ret = ael2005_reset(phy, 0);
+			return ret ? ret : cphy_cause_module_change;
+		}
+		cause = cphy_cause_module_change;
+	}
+
+	ret = t3_phy_lasi_intr_handler(phy);
+	if (ret < 0)
+		return ret;
+
+	ret |= cause;
+	return ret ? ret : cphy_cause_link_change;
+}
+
+static struct cphy_ops ael2005_ops = {
+	.reset           = ael2005_reset,
+	.intr_enable     = ael2005_intr_enable,
+	.intr_disable    = ael2005_intr_disable,
+	.intr_clear      = ael2005_intr_clear,
+	.intr_handler    = ael2005_intr_handler,
+	.get_link_status = get_link_status_r,
+	.power_down      = ael1002_power_down,
+};
+
+int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
+			int phy_addr, const struct mdio_ops *mdio_ops)
+{
+	cphy_init(phy, adapter, phy_addr, &ael2005_ops, mdio_ops,
+		  SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_FIBRE |
+		  SUPPORTED_IRQ, "10GBASE-R");
+	msleep(125);
+	return t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, AEL_OPT_SETTINGS, 0,
+				   1 << 5);
+}
+
+/*
+ * Get link status for a 10GBASE-X device.
+ */
+static int get_link_status_x(struct cphy *phy, int *link_ok, int *speed,
+			     int *duplex, int *fc)
+{
+	if (link_ok) {
+		unsigned int stat0, stat1, stat2;
+		int err = mdio_read(phy, MDIO_DEV_PMA_PMD, PMD_RSD, &stat0);
+
+		if (!err)
+			err = mdio_read(phy, MDIO_DEV_PCS, PCS_STAT1_X, &stat1);
+		if (!err)
+			err = mdio_read(phy, MDIO_DEV_XGXS, XS_LN_STAT, &stat2);
+		if (err)
+			return err;
+		*link_ok = (stat0 & (stat1 >> 12) & (stat2 >> 12)) & 1;
+	}
+	if (speed)
+		*speed = SPEED_10000;
+	if (duplex)
+		*duplex = DUPLEX_FULL;
+	return 0;
+}
+
 static struct cphy_ops qt2045_ops = {
 	.reset = ael1006_reset,
 	.intr_enable = t3_phy_lasi_intr_enable,
 	.intr_disable = t3_phy_lasi_intr_disable,
 	.intr_clear = t3_phy_lasi_intr_clear,
 	.intr_handler = t3_phy_lasi_intr_handler,
-	.get_link_status = ael100x_get_link_status,
+	.get_link_status = get_link_status_x,
 	.power_down = ael1006_power_down,
 };
 
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index d1b6b1e..416d3dd 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -547,7 +547,19 @@ enum {
 /* PHY interrupt types */
 enum {
 	cphy_cause_link_change = 1,
-	cphy_cause_fifo_error = 2
+	cphy_cause_fifo_error = 2,
+	cphy_cause_module_change = 4,
+};
+
+/* PHY module types */
+enum {
+	phy_modtype_none,
+	phy_modtype_sr,
+	phy_modtype_lr,
+	phy_modtype_lrm,
+	phy_modtype_twinax,
+	phy_modtype_twinax_long,
+	phy_modtype_unknown
 };
 
 /* PHY operations */
@@ -572,7 +584,9 @@ struct cphy_ops {
 
 /* A PHY instance */
 struct cphy {
-	int addr;			/* PHY address */
+	u8 addr;			/* PHY address */
+	u8 modtype;			/* PHY module type */
+	short priv;			/* scratch pad */
 	unsigned int caps;		/* PHY capabilities */
 	struct adapter *adapter;	/* associated adapter */
 	const char *desc;		/* PHY description */
@@ -794,6 +808,8 @@ int t3_ael1002_phy_prep(struct cphy *phy, struct adapter *adapter,
 			int phy_addr, const struct mdio_ops *mdio_ops);
 int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
 			int phy_addr, const struct mdio_ops *mdio_ops);
+int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
+			int phy_addr, const struct mdio_ops *mdio_ops);
 int t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
 		       const struct mdio_ops *mdio_ops);
 int t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index bddcf94..f31985d 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -208,6 +208,31 @@ void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat,
 	}
 }
 
+/**
+ *	t3_os_phymod_changed - handle PHY module changes
+ *	@phy: the PHY reporting the module change
+ *	@mod_type: new module type
+ *
+ *	This is the OS-dependent handler for PHY module changes.  It is
+ *	invoked when a PHY module is removed or inserted for any OS-specific
+ *	processing.
+ */
+void t3_os_phymod_changed(struct adapter *adap, int port_id)
+{
+	static const char *mod_str[] = {
+		NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown"
+	};
+
+	const struct net_device *dev = adap->port[port_id];
+	const struct port_info *pi = netdev_priv(dev);
+
+	if (pi->phy.modtype == phy_modtype_none)
+		printk(KERN_INFO "%s: PHY module unplugged\n", dev->name);
+	else
+		printk(KERN_INFO "%s: %s PHY module inserted\n", dev->name,
+		       mod_str[pi->phy.modtype]);
+}
+
 static void cxgb_set_rxmode(struct net_device *dev)
 {
 	struct t3_rx_mode rm;
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 58a3097..9d9c0ba 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -511,7 +511,7 @@ static const struct port_type_info port_types[] = {
 	{ t3_vsc8211_phy_prep },
 	{ NULL},
 	{ t3_xaui_direct_phy_prep },
-	{ NULL },
+	{ t3_ael2005_phy_prep },
 	{ t3_qt2045_phy_prep },
 	{ t3_ael1006_phy_prep },
 	{ NULL },
@@ -1728,6 +1728,8 @@ int t3_phy_intr_handler(struct adapter *adapter)
 				t3_link_changed(adapter, i);
 			if (phy_cause & cphy_cause_fifo_error)
 				p->phy.fifo_errors++;
+			if (phy_cause & cphy_cause_module_change)
+				t3_os_phymod_changed(adapter, i);
 		}
 	}
 

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists