Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sata_uli.c - ULi Electronics SATA |
| 3 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Jeff Garzik | af36d7f | 2005-08-28 20:18:39 -0400 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2, or (at your option) |
| 8 | * any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; see the file COPYING. If not, write to |
| 17 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | * |
| 19 | * |
| 20 | * libata documentation is available via 'make {ps|pdf}docs', |
| 21 | * as Documentation/DocBook/libata.* |
| 22 | * |
| 23 | * Hardware documentation available under NDA. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | * |
| 25 | */ |
| 26 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <linux/kernel.h> |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/pci.h> |
| 30 | #include <linux/init.h> |
| 31 | #include <linux/blkdev.h> |
| 32 | #include <linux/delay.h> |
| 33 | #include <linux/interrupt.h> |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 34 | #include <linux/device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include <scsi/scsi_host.h> |
| 36 | #include <linux/libata.h> |
| 37 | |
| 38 | #define DRV_NAME "sata_uli" |
Jeff Garzik | 2a3103c | 2007-08-31 04:54:06 -0400 | [diff] [blame] | 39 | #define DRV_VERSION "1.3" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
| 41 | enum { |
| 42 | uli_5289 = 0, |
| 43 | uli_5287 = 1, |
| 44 | uli_5281 = 2, |
| 45 | |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 46 | uli_max_ports = 4, |
| 47 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | /* PCI configuration registers */ |
| 49 | ULI5287_BASE = 0x90, /* sata0 phy SCR registers */ |
| 50 | ULI5287_OFFS = 0x10, /* offset from sata0->sata1 phy regs */ |
| 51 | ULI5281_BASE = 0x60, /* sata0 phy SCR registers */ |
| 52 | ULI5281_OFFS = 0x60, /* offset from sata0->sata1 phy regs */ |
| 53 | }; |
| 54 | |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 55 | struct uli_priv { |
| 56 | unsigned int scr_cfg_addr[uli_max_ports]; |
| 57 | }; |
| 58 | |
Jeff Garzik | 5796d1c | 2007-10-26 00:03:37 -0400 | [diff] [blame] | 59 | static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 60 | static int uli_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); |
| 61 | static int uli_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
Jeff Garzik | 3b7d697 | 2005-11-10 11:04:11 -0500 | [diff] [blame] | 63 | static const struct pci_device_id uli_pci_tbl[] = { |
Jeff Garzik | 54bb3a9 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 64 | { PCI_VDEVICE(AL, 0x5289), uli_5289 }, |
| 65 | { PCI_VDEVICE(AL, 0x5287), uli_5287 }, |
| 66 | { PCI_VDEVICE(AL, 0x5281), uli_5281 }, |
| 67 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | { } /* terminate list */ |
| 69 | }; |
| 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | static struct pci_driver uli_pci_driver = { |
| 72 | .name = DRV_NAME, |
| 73 | .id_table = uli_pci_tbl, |
| 74 | .probe = uli_init_one, |
| 75 | .remove = ata_pci_remove_one, |
| 76 | }; |
| 77 | |
Jeff Garzik | 193515d | 2005-11-07 00:59:37 -0500 | [diff] [blame] | 78 | static struct scsi_host_template uli_sht = { |
Tejun Heo | 68d1d07 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 79 | ATA_BMDMA_SHT(DRV_NAME), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | }; |
| 81 | |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 82 | static struct ata_port_operations uli_ops = { |
| 83 | .inherits = &ata_bmdma_port_ops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | .scr_read = uli_scr_read, |
| 85 | .scr_write = uli_scr_write, |
Tejun Heo | 70a3143 | 2008-06-21 16:07:32 +0900 | [diff] [blame] | 86 | .hardreset = ATA_OP_NULL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | }; |
| 88 | |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 89 | static const struct ata_port_info uli_port_info = { |
Tejun Heo | b2a8bbe | 2007-01-25 19:40:05 +0900 | [diff] [blame] | 90 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | |
| 91 | ATA_FLAG_IGN_SIMPLEX, |
Brett Russ | 7da7931 | 2005-09-01 21:53:34 -0400 | [diff] [blame] | 92 | .pio_mask = 0x1f, /* pio0-4 */ |
Jeff Garzik | bf6263a | 2007-07-09 12:16:50 -0400 | [diff] [blame] | 93 | .udma_mask = ATA_UDMA6, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | .port_ops = &uli_ops, |
| 95 | }; |
| 96 | |
| 97 | |
| 98 | MODULE_AUTHOR("Peer Chen"); |
| 99 | MODULE_DESCRIPTION("low-level driver for ULi Electronics SATA controller"); |
| 100 | MODULE_LICENSE("GPL"); |
| 101 | MODULE_DEVICE_TABLE(pci, uli_pci_tbl); |
| 102 | MODULE_VERSION(DRV_VERSION); |
| 103 | |
| 104 | static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg) |
| 105 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 106 | struct uli_priv *hpriv = ap->host->private_data; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 107 | return hpriv->scr_cfg_addr[ap->port_no] + (4 * sc_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 110 | static u32 uli_scr_cfg_read(struct ata_link *link, unsigned int sc_reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | { |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 112 | struct pci_dev *pdev = to_pci_dev(link->ap->host->dev); |
| 113 | unsigned int cfg_addr = get_scr_cfg_addr(link->ap, sc_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | u32 val; |
| 115 | |
| 116 | pci_read_config_dword(pdev, cfg_addr, &val); |
| 117 | return val; |
| 118 | } |
| 119 | |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 120 | static void uli_scr_cfg_write(struct ata_link *link, unsigned int scr, u32 val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | { |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 122 | struct pci_dev *pdev = to_pci_dev(link->ap->host->dev); |
| 123 | unsigned int cfg_addr = get_scr_cfg_addr(link->ap, scr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | |
| 125 | pci_write_config_dword(pdev, cfg_addr, val); |
| 126 | } |
| 127 | |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 128 | static int uli_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | { |
| 130 | if (sc_reg > SCR_CONTROL) |
Tejun Heo | da3dbb1 | 2007-07-16 14:29:40 +0900 | [diff] [blame] | 131 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 133 | *val = uli_scr_cfg_read(link, sc_reg); |
Tejun Heo | da3dbb1 | 2007-07-16 14:29:40 +0900 | [diff] [blame] | 134 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | } |
| 136 | |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 137 | static int uli_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | { |
Jeff Garzik | 5796d1c | 2007-10-26 00:03:37 -0400 | [diff] [blame] | 139 | if (sc_reg > SCR_CONTROL) //SCR_CONTROL=2, SCR_ERROR=1, SCR_STATUS=0 |
Tejun Heo | da3dbb1 | 2007-07-16 14:29:40 +0900 | [diff] [blame] | 140 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
Tejun Heo | 82ef04f | 2008-07-31 17:02:40 +0900 | [diff] [blame] | 142 | uli_scr_cfg_write(link, sc_reg, val); |
Tejun Heo | da3dbb1 | 2007-07-16 14:29:40 +0900 | [diff] [blame] | 143 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | } |
| 145 | |
Jeff Garzik | 5796d1c | 2007-10-26 00:03:37 -0400 | [diff] [blame] | 146 | static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | { |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 148 | static int printed_version; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 149 | const struct ata_port_info *ppi[] = { &uli_port_info, NULL }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | unsigned int board_idx = (unsigned int) ent->driver_data; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 151 | struct ata_host *host; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 152 | struct uli_priv *hpriv; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 153 | void __iomem * const *iomap; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 154 | struct ata_ioports *ioaddr; |
| 155 | int n_ports, rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 157 | if (!printed_version++) |
| 158 | dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); |
| 159 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 160 | rc = pcim_enable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | if (rc) |
| 162 | return rc; |
| 163 | |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 164 | n_ports = 2; |
| 165 | if (board_idx == uli_5287) |
| 166 | n_ports = 4; |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 167 | |
| 168 | /* allocate the host */ |
| 169 | host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); |
| 170 | if (!host) |
| 171 | return -ENOMEM; |
Jeff Garzik | 8a60a07 | 2005-07-31 13:13:24 -0400 | [diff] [blame] | 172 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 173 | hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); |
| 174 | if (!hpriv) |
| 175 | return -ENOMEM; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 176 | host->private_data = hpriv; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 177 | |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 178 | /* the first two ports are standard SFF */ |
Tejun Heo | 9363c38 | 2008-04-07 22:47:16 +0900 | [diff] [blame] | 179 | rc = ata_pci_sff_init_host(host); |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 180 | if (rc) |
| 181 | return rc; |
| 182 | |
Tejun Heo | 9363c38 | 2008-04-07 22:47:16 +0900 | [diff] [blame] | 183 | rc = ata_pci_bmdma_init(host); |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 184 | if (rc) |
| 185 | return rc; |
| 186 | |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 187 | iomap = host->iomap; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 188 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | switch (board_idx) { |
| 190 | case uli_5287: |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 191 | /* If there are four, the last two live right after |
| 192 | * the standard SFF ports. |
| 193 | */ |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 194 | hpriv->scr_cfg_addr[0] = ULI5287_BASE; |
| 195 | hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 197 | ioaddr = &host->ports[2]->ioaddr; |
| 198 | ioaddr->cmd_addr = iomap[0] + 8; |
| 199 | ioaddr->altstatus_addr = |
| 200 | ioaddr->ctl_addr = (void __iomem *) |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 201 | ((unsigned long)iomap[1] | ATA_PCI_CTL_OFS) + 4; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 202 | ioaddr->bmdma_addr = iomap[4] + 16; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 203 | hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4; |
Tejun Heo | 9363c38 | 2008-04-07 22:47:16 +0900 | [diff] [blame] | 204 | ata_sff_std_ports(ioaddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | |
Tejun Heo | cbcdd87 | 2007-08-18 13:14:55 +0900 | [diff] [blame] | 206 | ata_port_desc(host->ports[2], |
| 207 | "cmd 0x%llx ctl 0x%llx bmdma 0x%llx", |
| 208 | (unsigned long long)pci_resource_start(pdev, 0) + 8, |
| 209 | ((unsigned long long)pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS) + 4, |
| 210 | (unsigned long long)pci_resource_start(pdev, 4) + 16); |
| 211 | |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 212 | ioaddr = &host->ports[3]->ioaddr; |
| 213 | ioaddr->cmd_addr = iomap[2] + 8; |
| 214 | ioaddr->altstatus_addr = |
| 215 | ioaddr->ctl_addr = (void __iomem *) |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 216 | ((unsigned long)iomap[3] | ATA_PCI_CTL_OFS) + 4; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 217 | ioaddr->bmdma_addr = iomap[4] + 24; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 218 | hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5; |
Tejun Heo | 9363c38 | 2008-04-07 22:47:16 +0900 | [diff] [blame] | 219 | ata_sff_std_ports(ioaddr); |
Tejun Heo | cbcdd87 | 2007-08-18 13:14:55 +0900 | [diff] [blame] | 220 | |
| 221 | ata_port_desc(host->ports[2], |
| 222 | "cmd 0x%llx ctl 0x%llx bmdma 0x%llx", |
| 223 | (unsigned long long)pci_resource_start(pdev, 2) + 9, |
| 224 | ((unsigned long long)pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS) + 4, |
| 225 | (unsigned long long)pci_resource_start(pdev, 4) + 24); |
| 226 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | break; |
| 228 | |
| 229 | case uli_5289: |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 230 | hpriv->scr_cfg_addr[0] = ULI5287_BASE; |
| 231 | hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | break; |
| 233 | |
| 234 | case uli_5281: |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 235 | hpriv->scr_cfg_addr[0] = ULI5281_BASE; |
| 236 | hpriv->scr_cfg_addr[1] = ULI5281_BASE + ULI5281_OFFS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | break; |
| 238 | |
| 239 | default: |
| 240 | BUG(); |
| 241 | break; |
| 242 | } |
| 243 | |
| 244 | pci_set_master(pdev); |
Brett M Russ | a04ce0f | 2005-08-15 15:23:41 -0400 | [diff] [blame] | 245 | pci_intx(pdev, 1); |
Tejun Heo | 9363c38 | 2008-04-07 22:47:16 +0900 | [diff] [blame] | 246 | return ata_host_activate(host, pdev->irq, ata_sff_interrupt, |
| 247 | IRQF_SHARED, &uli_sht); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | static int __init uli_init(void) |
| 251 | { |
Pavel Roskin | b788719 | 2006-08-10 18:13:18 +0900 | [diff] [blame] | 252 | return pci_register_driver(&uli_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | static void __exit uli_exit(void) |
| 256 | { |
| 257 | pci_unregister_driver(&uli_pci_driver); |
| 258 | } |
| 259 | |
| 260 | |
| 261 | module_init(uli_init); |
| 262 | module_exit(uli_exit); |