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 | |
| 27 | #include <linux/config.h> |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/module.h> |
| 30 | #include <linux/pci.h> |
| 31 | #include <linux/init.h> |
| 32 | #include <linux/blkdev.h> |
| 33 | #include <linux/delay.h> |
| 34 | #include <linux/interrupt.h> |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 35 | #include <linux/device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include <scsi/scsi_host.h> |
| 37 | #include <linux/libata.h> |
| 38 | |
| 39 | #define DRV_NAME "sata_uli" |
Jeff Garzik | af64371 | 2006-04-02 20:41:36 -0400 | [diff] [blame] | 40 | #define DRV_VERSION "0.6" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | enum { |
| 43 | uli_5289 = 0, |
| 44 | uli_5287 = 1, |
| 45 | uli_5281 = 2, |
| 46 | |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 47 | uli_max_ports = 4, |
| 48 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | /* PCI configuration registers */ |
| 50 | ULI5287_BASE = 0x90, /* sata0 phy SCR registers */ |
| 51 | ULI5287_OFFS = 0x10, /* offset from sata0->sata1 phy regs */ |
| 52 | ULI5281_BASE = 0x60, /* sata0 phy SCR registers */ |
| 53 | ULI5281_OFFS = 0x60, /* offset from sata0->sata1 phy regs */ |
| 54 | }; |
| 55 | |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 56 | struct uli_priv { |
| 57 | unsigned int scr_cfg_addr[uli_max_ports]; |
| 58 | }; |
| 59 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); |
| 61 | static u32 uli_scr_read (struct ata_port *ap, unsigned int sc_reg); |
| 62 | static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); |
| 63 | |
Jeff Garzik | 3b7d697 | 2005-11-10 11:04:11 -0500 | [diff] [blame] | 64 | static const struct pci_device_id uli_pci_tbl[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | { PCI_VENDOR_ID_AL, 0x5289, PCI_ANY_ID, PCI_ANY_ID, 0, 0, uli_5289 }, |
| 66 | { PCI_VENDOR_ID_AL, 0x5287, PCI_ANY_ID, PCI_ANY_ID, 0, 0, uli_5287 }, |
| 67 | { PCI_VENDOR_ID_AL, 0x5281, PCI_ANY_ID, PCI_ANY_ID, 0, 0, uli_5281 }, |
| 68 | { } /* terminate list */ |
| 69 | }; |
| 70 | |
| 71 | |
| 72 | static struct pci_driver uli_pci_driver = { |
| 73 | .name = DRV_NAME, |
| 74 | .id_table = uli_pci_tbl, |
| 75 | .probe = uli_init_one, |
| 76 | .remove = ata_pci_remove_one, |
| 77 | }; |
| 78 | |
Jeff Garzik | 193515d | 2005-11-07 00:59:37 -0500 | [diff] [blame] | 79 | static struct scsi_host_template uli_sht = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | .module = THIS_MODULE, |
| 81 | .name = DRV_NAME, |
| 82 | .ioctl = ata_scsi_ioctl, |
| 83 | .queuecommand = ata_scsi_queuecmd, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | .can_queue = ATA_DEF_QUEUE, |
| 85 | .this_id = ATA_SHT_THIS_ID, |
| 86 | .sg_tablesize = LIBATA_MAX_PRD, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | .cmd_per_lun = ATA_SHT_CMD_PER_LUN, |
| 88 | .emulated = ATA_SHT_EMULATED, |
| 89 | .use_clustering = ATA_SHT_USE_CLUSTERING, |
| 90 | .proc_name = DRV_NAME, |
| 91 | .dma_boundary = ATA_DMA_BOUNDARY, |
| 92 | .slave_configure = ata_scsi_slave_config, |
Tejun Heo | ccf68c3 | 2006-05-31 18:28:09 +0900 | [diff] [blame] | 93 | .slave_destroy = ata_scsi_slave_destroy, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | .bios_param = ata_std_bios_param, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | }; |
| 96 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 97 | static const struct ata_port_operations uli_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 98 | .port_disable = ata_port_disable, |
| 99 | |
| 100 | .tf_load = ata_tf_load, |
| 101 | .tf_read = ata_tf_read, |
| 102 | .check_status = ata_check_status, |
| 103 | .exec_command = ata_exec_command, |
| 104 | .dev_select = ata_std_dev_select, |
| 105 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | .bmdma_setup = ata_bmdma_setup, |
| 107 | .bmdma_start = ata_bmdma_start, |
| 108 | .bmdma_stop = ata_bmdma_stop, |
| 109 | .bmdma_status = ata_bmdma_status, |
| 110 | .qc_prep = ata_qc_prep, |
| 111 | .qc_issue = ata_qc_issue_prot, |
Alan Cox | a6b2c5d | 2006-05-22 16:59:59 +0100 | [diff] [blame] | 112 | .data_xfer = ata_pio_data_xfer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
Tejun Heo | d7a80da | 2006-06-16 15:00:18 +0900 | [diff] [blame^] | 114 | .freeze = ata_bmdma_freeze, |
| 115 | .thaw = ata_bmdma_thaw, |
| 116 | .error_handler = ata_bmdma_error_handler, |
| 117 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | |
| 119 | .irq_handler = ata_interrupt, |
| 120 | .irq_clear = ata_bmdma_irq_clear, |
| 121 | |
| 122 | .scr_read = uli_scr_read, |
| 123 | .scr_write = uli_scr_write, |
| 124 | |
| 125 | .port_start = ata_port_start, |
| 126 | .port_stop = ata_port_stop, |
Jeff Garzik | aa8f0dc | 2005-05-26 21:54:27 -0400 | [diff] [blame] | 127 | .host_stop = ata_host_stop, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | }; |
| 129 | |
| 130 | static struct ata_port_info uli_port_info = { |
| 131 | .sht = &uli_sht, |
Tejun Heo | d7a80da | 2006-06-16 15:00:18 +0900 | [diff] [blame^] | 132 | .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, |
Brett Russ | 7da7931 | 2005-09-01 21:53:34 -0400 | [diff] [blame] | 133 | .pio_mask = 0x1f, /* pio0-4 */ |
| 134 | .udma_mask = 0x7f, /* udma0-6 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | .port_ops = &uli_ops, |
| 136 | }; |
| 137 | |
| 138 | |
| 139 | MODULE_AUTHOR("Peer Chen"); |
| 140 | MODULE_DESCRIPTION("low-level driver for ULi Electronics SATA controller"); |
| 141 | MODULE_LICENSE("GPL"); |
| 142 | MODULE_DEVICE_TABLE(pci, uli_pci_tbl); |
| 143 | MODULE_VERSION(DRV_VERSION); |
| 144 | |
| 145 | static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg) |
| 146 | { |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 147 | struct uli_priv *hpriv = ap->host_set->private_data; |
| 148 | return hpriv->scr_cfg_addr[ap->port_no] + (4 * sc_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | } |
| 150 | |
| 151 | static u32 uli_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) |
| 152 | { |
| 153 | struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); |
| 154 | unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg); |
| 155 | u32 val; |
| 156 | |
| 157 | pci_read_config_dword(pdev, cfg_addr, &val); |
| 158 | return val; |
| 159 | } |
| 160 | |
| 161 | static void uli_scr_cfg_write (struct ata_port *ap, unsigned int scr, u32 val) |
| 162 | { |
| 163 | struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); |
| 164 | unsigned int cfg_addr = get_scr_cfg_addr(ap, scr); |
| 165 | |
| 166 | pci_write_config_dword(pdev, cfg_addr, val); |
| 167 | } |
| 168 | |
| 169 | static u32 uli_scr_read (struct ata_port *ap, unsigned int sc_reg) |
| 170 | { |
| 171 | if (sc_reg > SCR_CONTROL) |
| 172 | return 0xffffffffU; |
| 173 | |
| 174 | return uli_scr_cfg_read(ap, sc_reg); |
| 175 | } |
| 176 | |
| 177 | static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) |
| 178 | { |
| 179 | if (sc_reg > SCR_CONTROL) //SCR_CONTROL=2, SCR_ERROR=1, SCR_STATUS=0 |
| 180 | return; |
| 181 | |
| 182 | uli_scr_cfg_write(ap, sc_reg, val); |
| 183 | } |
| 184 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) |
| 186 | { |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 187 | static int printed_version; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | struct ata_probe_ent *probe_ent; |
| 189 | struct ata_port_info *ppi; |
| 190 | int rc; |
| 191 | unsigned int board_idx = (unsigned int) ent->driver_data; |
| 192 | int pci_dev_busy = 0; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 193 | struct uli_priv *hpriv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 195 | if (!printed_version++) |
| 196 | dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); |
| 197 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | rc = pci_enable_device(pdev); |
| 199 | if (rc) |
| 200 | return rc; |
| 201 | |
| 202 | rc = pci_request_regions(pdev, DRV_NAME); |
| 203 | if (rc) { |
| 204 | pci_dev_busy = 1; |
| 205 | goto err_out; |
| 206 | } |
| 207 | |
| 208 | rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); |
| 209 | if (rc) |
| 210 | goto err_out_regions; |
| 211 | rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); |
| 212 | if (rc) |
| 213 | goto err_out_regions; |
| 214 | |
| 215 | ppi = &uli_port_info; |
Alan Cox | 47a8659 | 2005-10-04 08:09:19 -0400 | [diff] [blame] | 216 | probe_ent = ata_pci_init_native_mode(pdev, &ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | if (!probe_ent) { |
| 218 | rc = -ENOMEM; |
| 219 | goto err_out_regions; |
| 220 | } |
Jeff Garzik | 8a60a07 | 2005-07-31 13:13:24 -0400 | [diff] [blame] | 221 | |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 222 | hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); |
| 223 | if (!hpriv) { |
| 224 | rc = -ENOMEM; |
| 225 | goto err_out_probe_ent; |
| 226 | } |
| 227 | |
| 228 | probe_ent->private_data = hpriv; |
| 229 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | switch (board_idx) { |
| 231 | case uli_5287: |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 232 | hpriv->scr_cfg_addr[0] = ULI5287_BASE; |
| 233 | hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | probe_ent->n_ports = 4; |
| 235 | |
| 236 | probe_ent->port[2].cmd_addr = pci_resource_start(pdev, 0) + 8; |
| 237 | probe_ent->port[2].altstatus_addr = |
| 238 | probe_ent->port[2].ctl_addr = |
| 239 | (pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS) + 4; |
| 240 | probe_ent->port[2].bmdma_addr = pci_resource_start(pdev, 4) + 16; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 241 | hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | |
| 243 | probe_ent->port[3].cmd_addr = pci_resource_start(pdev, 2) + 8; |
| 244 | probe_ent->port[3].altstatus_addr = |
| 245 | probe_ent->port[3].ctl_addr = |
| 246 | (pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS) + 4; |
| 247 | probe_ent->port[3].bmdma_addr = pci_resource_start(pdev, 4) + 24; |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 248 | hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | |
| 250 | ata_std_ports(&probe_ent->port[2]); |
| 251 | ata_std_ports(&probe_ent->port[3]); |
| 252 | break; |
| 253 | |
| 254 | case uli_5289: |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 255 | hpriv->scr_cfg_addr[0] = ULI5287_BASE; |
| 256 | hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | break; |
| 258 | |
| 259 | case uli_5281: |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 260 | hpriv->scr_cfg_addr[0] = ULI5281_BASE; |
| 261 | hpriv->scr_cfg_addr[1] = ULI5281_BASE + ULI5281_OFFS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | break; |
| 263 | |
| 264 | default: |
| 265 | BUG(); |
| 266 | break; |
| 267 | } |
| 268 | |
| 269 | pci_set_master(pdev); |
Brett M Russ | a04ce0f | 2005-08-15 15:23:41 -0400 | [diff] [blame] | 270 | pci_intx(pdev, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | |
| 272 | /* FIXME: check ata_device_add return value */ |
| 273 | ata_device_add(probe_ent); |
| 274 | kfree(probe_ent); |
| 275 | |
| 276 | return 0; |
| 277 | |
Jeff Garzik | 50106c5 | 2006-03-23 00:14:36 -0500 | [diff] [blame] | 278 | err_out_probe_ent: |
| 279 | kfree(probe_ent); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | err_out_regions: |
| 281 | pci_release_regions(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | err_out: |
| 283 | if (!pci_dev_busy) |
| 284 | pci_disable_device(pdev); |
| 285 | return rc; |
| 286 | |
| 287 | } |
| 288 | |
| 289 | static int __init uli_init(void) |
| 290 | { |
| 291 | return pci_module_init(&uli_pci_driver); |
| 292 | } |
| 293 | |
| 294 | static void __exit uli_exit(void) |
| 295 | { |
| 296 | pci_unregister_driver(&uli_pci_driver); |
| 297 | } |
| 298 | |
| 299 | |
| 300 | module_init(uli_init); |
| 301 | module_exit(uli_exit); |