1 // SPDX-License-Identifier: GPL-2.0-only
3  * AMD Seattle AHCI SATA driver
8  * based on the AHCI SATA platform driver by Jeff Garzik and Anton Vorontsov
20 #include "ahci.h"
28  * 28...8	RW		OD6.2...OD0.0 (3bits per port, 1 bit per LED)
31  * 3:0		RO		Number of ports (0 means no port supported)
41 #define DRV_NAME "ahci-seattle"
81 	struct ahci_host_priv *hpriv = ap->host->private_data;  in seattle_transmit_led_message()
82 	struct ahci_port_priv *pp = ap->private_data;  in seattle_transmit_led_message()
83 	struct seattle_plat_data *plat_data = hpriv->plat_data;  in seattle_transmit_led_message()
92 		return -EINVAL;  in seattle_transmit_led_message()
93 	emp = &pp->em_priv[pmp];  in seattle_transmit_led_message()
95 	val = ioread32(plat_data->sgpio_ctrl);  in seattle_transmit_led_message()
97 		val |= 1 << ACTIVITY_BIT_POS((ap->port_no));  in seattle_transmit_led_message()
99 		val &= ~(1 << ACTIVITY_BIT_POS((ap->port_no)));  in seattle_transmit_led_message()
102 		val |= 1 << LOCATE_BIT_POS((ap->port_no));  in seattle_transmit_led_message()
104 		val &= ~(1 << LOCATE_BIT_POS((ap->port_no)));  in seattle_transmit_led_message()
107 		val |= 1 << FAULT_BIT_POS((ap->port_no));  in seattle_transmit_led_message()
109 		val &= ~(1 << FAULT_BIT_POS((ap->port_no)));  in seattle_transmit_led_message()
111 	iowrite32(val, plat_data->sgpio_ctrl);  in seattle_transmit_led_message()
113 	spin_lock_irqsave(ap->lock, flags);  in seattle_transmit_led_message()
115 	/* save off new led state for port/slot */  in seattle_transmit_led_message()
116 	emp->led_state = state;  in seattle_transmit_led_message()
118 	spin_unlock_irqrestore(ap->lock, flags);  in seattle_transmit_led_message()
126 	struct device *dev = &pdev->dev;  in ahci_seattle_get_port_info()
134 	plat_data->sgpio_ctrl = devm_platform_ioremap_resource(pdev, 1);  in ahci_seattle_get_port_info()
135 	if (IS_ERR(plat_data->sgpio_ctrl))  in ahci_seattle_get_port_info()
138 	val = ioread32(plat_data->sgpio_ctrl);  in ahci_seattle_get_port_info()
143 	hpriv->em_loc = 0;  in ahci_seattle_get_port_info()
144 	hpriv->em_buf_sz = 4;  in ahci_seattle_get_port_info()
145 	hpriv->em_msg_type = EM_MSG_TYPE_LED;  in ahci_seattle_get_port_info()
146 	hpriv->plat_data = plat_data;  in ahci_seattle_get_port_info()
197 MODULE_DESCRIPTION("Seattle AHCI SATA platform driver");