From c6fd280766a050b13360d7c2d59a3d6bd3a27d9a Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 10 Aug 2006 07:31:37 -0400 Subject: Move libata to drivers/ata. --- drivers/scsi/sata_via.c | 394 ------------------------------------------------ 1 file changed, 394 deletions(-) delete mode 100644 drivers/scsi/sata_via.c (limited to 'drivers/scsi/sata_via.c') diff --git a/drivers/scsi/sata_via.c b/drivers/scsi/sata_via.c deleted file mode 100644 index 0bf1dbea640..00000000000 --- a/drivers/scsi/sata_via.c +++ /dev/null @@ -1,394 +0,0 @@ -/* - * sata_via.c - VIA Serial ATA controllers - * - * Maintained by: Jeff Garzik - * Please ALWAYS copy linux-ide@vger.kernel.org - on emails. - * - * Copyright 2003-2004 Red Hat, Inc. All rights reserved. - * Copyright 2003-2004 Jeff Garzik - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - * libata documentation is available via 'make {ps|pdf}docs', - * as Documentation/DocBook/libata.* - * - * Hardware documentation available under NDA. - * - * - * To-do list: - * - VT6421 PATA support - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define DRV_NAME "sata_via" -#define DRV_VERSION "2.0" - -enum board_ids_enum { - vt6420, - vt6421, -}; - -enum { - SATA_CHAN_ENAB = 0x40, /* SATA channel enable */ - SATA_INT_GATE = 0x41, /* SATA interrupt gating */ - SATA_NATIVE_MODE = 0x42, /* Native mode enable */ - SATA_PATA_SHARING = 0x49, /* PATA/SATA sharing func ctrl */ - - PORT0 = (1 << 1), - PORT1 = (1 << 0), - ALL_PORTS = PORT0 | PORT1, - N_PORTS = 2, - - NATIVE_MODE_ALL = (1 << 7) | (1 << 6) | (1 << 5) | (1 << 4), - - SATA_EXT_PHY = (1 << 6), /* 0==use PATA, 1==ext phy */ - SATA_2DEV = (1 << 5), /* SATA is master/slave */ -}; - -static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); -static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg); -static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); - -static const struct pci_device_id svia_pci_tbl[] = { - { 0x1106, 0x3149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6420 }, - { 0x1106, 0x3249, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6421 }, - - { } /* terminate list */ -}; - -static struct pci_driver svia_pci_driver = { - .name = DRV_NAME, - .id_table = svia_pci_tbl, - .probe = svia_init_one, - .remove = ata_pci_remove_one, -}; - -static struct scsi_host_template svia_sht = { - .module = THIS_MODULE, - .name = DRV_NAME, - .ioctl = ata_scsi_ioctl, - .queuecommand = ata_scsi_queuecmd, - .can_queue = ATA_DEF_QUEUE, - .this_id = ATA_SHT_THIS_ID, - .sg_tablesize = LIBATA_MAX_PRD, - .cmd_per_lun = ATA_SHT_CMD_PER_LUN, - .emulated = ATA_SHT_EMULATED, - .use_clustering = ATA_SHT_USE_CLUSTERING, - .proc_name = DRV_NAME, - .dma_boundary = ATA_DMA_BOUNDARY, - .slave_configure = ata_scsi_slave_config, - .slave_destroy = ata_scsi_slave_destroy, - .bios_param = ata_std_bios_param, -}; - -static const struct ata_port_operations svia_sata_ops = { - .port_disable = ata_port_disable, - - .tf_load = ata_tf_load, - .tf_read = ata_tf_read, - .check_status = ata_check_status, - .exec_command = ata_exec_command, - .dev_select = ata_std_dev_select, - - .bmdma_setup = ata_bmdma_setup, - .bmdma_start = ata_bmdma_start, - .bmdma_stop = ata_bmdma_stop, - .bmdma_status = ata_bmdma_status, - - .qc_prep = ata_qc_prep, - .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, - - .freeze = ata_bmdma_freeze, - .thaw = ata_bmdma_thaw, - .error_handler = ata_bmdma_error_handler, - .post_internal_cmd = ata_bmdma_post_internal_cmd, - - .irq_handler = ata_interrupt, - .irq_clear = ata_bmdma_irq_clear, - - .scr_read = svia_scr_read, - .scr_write = svia_scr_write, - - .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, -}; - -static struct ata_port_info svia_port_info = { - .sht = &svia_sht, - .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, - .pio_mask = 0x1f, - .mwdma_mask = 0x07, - .udma_mask = 0x7f, - .port_ops = &svia_sata_ops, -}; - -MODULE_AUTHOR("Jeff Garzik"); -MODULE_DESCRIPTION("SCSI low-level driver for VIA SATA controllers"); -MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(pci, svia_pci_tbl); -MODULE_VERSION(DRV_VERSION); - -static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg) -{ - if (sc_reg > SCR_CONTROL) - return 0xffffffffU; - return inl(ap->ioaddr.scr_addr + (4 * sc_reg)); -} - -static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) -{ - if (sc_reg > SCR_CONTROL) - return; - outl(val, ap->ioaddr.scr_addr + (4 * sc_reg)); -} - -static const unsigned int svia_bar_sizes[] = { - 8, 4, 8, 4, 16, 256 -}; - -static const unsigned int vt6421_bar_sizes[] = { - 16, 16, 16, 16, 32, 128 -}; - -static unsigned long svia_scr_addr(unsigned long addr, unsigned int port) -{ - return addr + (port * 128); -} - -static unsigned long vt6421_scr_addr(unsigned long addr, unsigned int port) -{ - return addr + (port * 64); -} - -static void vt6421_init_addrs(struct ata_probe_ent *probe_ent, - struct pci_dev *pdev, - unsigned int port) -{ - unsigned long reg_addr = pci_resource_start(pdev, port); - unsigned long bmdma_addr = pci_resource_start(pdev, 4) + (port * 8); - unsigned long scr_addr; - - probe_ent->port[port].cmd_addr = reg_addr; - probe_ent->port[port].altstatus_addr = - probe_ent->port[port].ctl_addr = (reg_addr + 8) | ATA_PCI_CTL_OFS; - probe_ent->port[port].bmdma_addr = bmdma_addr; - - scr_addr = vt6421_scr_addr(pci_resource_start(pdev, 5), port); - probe_ent->port[port].scr_addr = scr_addr; - - ata_std_ports(&probe_ent->port[port]); -} - -static struct ata_probe_ent *vt6420_init_probe_ent(struct pci_dev *pdev) -{ - struct ata_probe_ent *probe_ent; - struct ata_port_info *ppi = &svia_port_info; - - probe_ent = ata_pci_init_native_mode(pdev, &ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY); - if (!probe_ent) - return NULL; - - probe_ent->port[0].scr_addr = - svia_scr_addr(pci_resource_start(pdev, 5), 0); - probe_ent->port[1].scr_addr = - svia_scr_addr(pci_resource_start(pdev, 5), 1); - - return probe_ent; -} - -static struct ata_probe_ent *vt6421_init_probe_ent(struct pci_dev *pdev) -{ - struct ata_probe_ent *probe_ent; - unsigned int i; - - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); - if (!probe_ent) - return NULL; - - memset(probe_ent, 0, sizeof(*probe_ent)); - probe_ent->dev = pci_dev_to_dev(pdev); - INIT_LIST_HEAD(&probe_ent->node); - - probe_ent->sht = &svia_sht; - probe_ent->host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY; - probe_ent->port_ops = &svia_sata_ops; - probe_ent->n_ports = N_PORTS; - probe_ent->irq = pdev->irq; - probe_ent->irq_flags = IRQF_SHARED; - probe_ent->pio_mask = 0x1f; - probe_ent->mwdma_mask = 0x07; - probe_ent->udma_mask = 0x7f; - - for (i = 0; i < N_PORTS; i++) - vt6421_init_addrs(probe_ent, pdev, i); - - return probe_ent; -} - -static void svia_configure(struct pci_dev *pdev) -{ - u8 tmp8; - - pci_read_config_byte(pdev, PCI_INTERRUPT_LINE, &tmp8); - dev_printk(KERN_INFO, &pdev->dev, "routed to hard irq line %d\n", - (int) (tmp8 & 0xf0) == 0xf0 ? 0 : tmp8 & 0x0f); - - /* make sure SATA channels are enabled */ - pci_read_config_byte(pdev, SATA_CHAN_ENAB, &tmp8); - if ((tmp8 & ALL_PORTS) != ALL_PORTS) { - dev_printk(KERN_DEBUG, &pdev->dev, - "enabling SATA channels (0x%x)\n", - (int) tmp8); - tmp8 |= ALL_PORTS; - pci_write_config_byte(pdev, SATA_CHAN_ENAB, tmp8); - } - - /* make sure interrupts for each channel sent to us */ - pci_read_config_byte(pdev, SATA_INT_GATE, &tmp8); - if ((tmp8 & ALL_PORTS) != ALL_PORTS) { - dev_printk(KERN_DEBUG, &pdev->dev, - "enabling SATA channel interrupts (0x%x)\n", - (int) tmp8); - tmp8 |= ALL_PORTS; - pci_write_config_byte(pdev, SATA_INT_GATE, tmp8); - } - - /* make sure native mode is enabled */ - pci_read_config_byte(pdev, SATA_NATIVE_MODE, &tmp8); - if ((tmp8 & NATIVE_MODE_ALL) != NATIVE_MODE_ALL) { - dev_printk(KERN_DEBUG, &pdev->dev, - "enabling SATA channel native mode (0x%x)\n", - (int) tmp8); - tmp8 |= NATIVE_MODE_ALL; - pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8); - } -} - -static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) -{ - static int printed_version; - unsigned int i; - int rc; - struct ata_probe_ent *probe_ent; - int board_id = (int) ent->driver_data; - const int *bar_sizes; - int pci_dev_busy = 0; - u8 tmp8; - - if (!printed_version++) - dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - - rc = pci_enable_device(pdev); - if (rc) - return rc; - - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } - - if (board_id == vt6420) { - pci_read_config_byte(pdev, SATA_PATA_SHARING, &tmp8); - if (tmp8 & SATA_2DEV) { - dev_printk(KERN_ERR, &pdev->dev, - "SATA master/slave not supported (0x%x)\n", - (int) tmp8); - rc = -EIO; - goto err_out_regions; - } - - bar_sizes = &svia_bar_sizes[0]; - } else { - bar_sizes = &vt6421_bar_sizes[0]; - } - - for (i = 0; i < ARRAY_SIZE(svia_bar_sizes); i++) - if ((pci_resource_start(pdev, i) == 0) || - (pci_resource_len(pdev, i) < bar_sizes[i])) { - dev_printk(KERN_ERR, &pdev->dev, - "invalid PCI BAR %u (sz 0x%llx, val 0x%llx)\n", - i, - (unsigned long long)pci_resource_start(pdev, i), - (unsigned long long)pci_resource_len(pdev, i)); - rc = -ENODEV; - goto err_out_regions; - } - - rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); - if (rc) - goto err_out_regions; - rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); - if (rc) - goto err_out_regions; - - if (board_id == vt6420) - probe_ent = vt6420_init_probe_ent(pdev); - else - probe_ent = vt6421_init_probe_ent(pdev); - - if (!probe_ent) { - dev_printk(KERN_ERR, &pdev->dev, "out of memory\n"); - rc = -ENOMEM; - goto err_out_regions; - } - - svia_configure(pdev); - - pci_set_master(pdev); - - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); - - return 0; - -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; -} - -static int __init svia_init(void) -{ - return pci_register_driver(&svia_pci_driver); -} - -static void __exit svia_exit(void) -{ - pci_unregister_driver(&svia_pci_driver); -} - -module_init(svia_init); -module_exit(svia_exit); - -- cgit v1.2.3