Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sata_sis.c - Silicon Integrated Systems SATA |
| 3 | * |
| 4 | * Maintained by: Uwe Koziolek |
| 5 | * Please ALWAYS copy linux-ide@vger.kernel.org |
| 6 | * on emails. |
| 7 | * |
| 8 | * Copyright 2004 Uwe Koziolek |
| 9 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * |
Jeff Garzik | af36d7f | 2005-08-28 20:18:39 -0400 | [diff] [blame] | 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2, or (at your option) |
| 14 | * any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; see the file COPYING. If not, write to |
| 23 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | * |
| 25 | * |
| 26 | * libata documentation is available via 'make {ps|pdf}docs', |
| 27 | * as Documentation/DocBook/libata.* |
| 28 | * |
| 29 | * Hardware documentation available under NDA. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | * |
| 31 | */ |
| 32 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include <linux/kernel.h> |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/pci.h> |
| 36 | #include <linux/init.h> |
| 37 | #include <linux/blkdev.h> |
| 38 | #include <linux/delay.h> |
| 39 | #include <linux/interrupt.h> |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 40 | #include <linux/device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include <scsi/scsi_host.h> |
| 42 | #include <linux/libata.h> |
Alan | 4bb64fb | 2007-02-16 01:40:04 -0800 | [diff] [blame] | 43 | #include "sis.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | #define DRV_NAME "sata_sis" |
Jeff Garzik | 8bc3fc4 | 2007-05-21 20:26:38 -0400 | [diff] [blame] | 46 | #define DRV_VERSION "0.8" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
| 48 | enum { |
| 49 | sis_180 = 0, |
| 50 | SIS_SCR_PCI_BAR = 5, |
| 51 | |
| 52 | /* PCI configuration registers */ |
| 53 | SIS_GENCTL = 0x54, /* IDE General Control register */ |
| 54 | SIS_SCR_BASE = 0xc0, /* sata0 phy SCR registers */ |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 55 | SIS180_SATA1_OFS = 0x10, /* offset from sata0->sata1 phy regs */ |
| 56 | SIS182_SATA1_OFS = 0x20, /* offset from sata0->sata1 phy regs */ |
| 57 | SIS_PMR = 0x90, /* port mapping register */ |
Jeff Garzik | 8add788 | 2005-09-08 23:07:29 -0400 | [diff] [blame] | 58 | SIS_PMR_COMBINED = 0x30, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | |
| 60 | /* random bits */ |
| 61 | SIS_FLAG_CFGSCR = (1 << 30), /* host flag: SCRs via PCI cfg */ |
| 62 | |
| 63 | GENCTL_IOMAPPED_SCR = (1 << 26), /* if set, SCRs are in IO space */ |
| 64 | }; |
| 65 | |
| 66 | static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); |
| 67 | static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg); |
| 68 | static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); |
| 69 | |
Jeff Garzik | 3b7d697 | 2005-11-10 11:04:11 -0500 | [diff] [blame] | 70 | static const struct pci_device_id sis_pci_tbl[] = { |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 71 | { PCI_VDEVICE(SI, 0x0180), sis_180 }, /* SiS 964/180 */ |
| 72 | { PCI_VDEVICE(SI, 0x0181), sis_180 }, /* SiS 964/180 */ |
| 73 | { PCI_VDEVICE(SI, 0x0182), sis_180 }, /* SiS 965/965L */ |
| 74 | { PCI_VDEVICE(SI, 0x0183), sis_180 }, /* SiS 965/965L */ |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 75 | { PCI_VDEVICE(SI, 0x1182), sis_180 }, /* SiS 966/680 */ |
| 76 | { PCI_VDEVICE(SI, 0x1183), sis_180 }, /* SiS 966/966L/968/680 */ |
Jeff Garzik | 2d2744f | 2006-09-28 20:21:59 -0400 | [diff] [blame] | 77 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | { } /* terminate list */ |
| 79 | }; |
| 80 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | static struct pci_driver sis_pci_driver = { |
| 82 | .name = DRV_NAME, |
| 83 | .id_table = sis_pci_tbl, |
| 84 | .probe = sis_init_one, |
| 85 | .remove = ata_pci_remove_one, |
| 86 | }; |
| 87 | |
Jeff Garzik | 193515d | 2005-11-07 00:59:37 -0500 | [diff] [blame] | 88 | static struct scsi_host_template sis_sht = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | .module = THIS_MODULE, |
| 90 | .name = DRV_NAME, |
| 91 | .ioctl = ata_scsi_ioctl, |
| 92 | .queuecommand = ata_scsi_queuecmd, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | .can_queue = ATA_DEF_QUEUE, |
| 94 | .this_id = ATA_SHT_THIS_ID, |
| 95 | .sg_tablesize = ATA_MAX_PRD, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | .cmd_per_lun = ATA_SHT_CMD_PER_LUN, |
| 97 | .emulated = ATA_SHT_EMULATED, |
| 98 | .use_clustering = ATA_SHT_USE_CLUSTERING, |
| 99 | .proc_name = DRV_NAME, |
| 100 | .dma_boundary = ATA_DMA_BOUNDARY, |
| 101 | .slave_configure = ata_scsi_slave_config, |
Tejun Heo | ccf68c3 | 2006-05-31 18:28:09 +0900 | [diff] [blame] | 102 | .slave_destroy = ata_scsi_slave_destroy, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | .bios_param = ata_std_bios_param, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | }; |
| 105 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 106 | static const struct ata_port_operations sis_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | .port_disable = ata_port_disable, |
| 108 | .tf_load = ata_tf_load, |
| 109 | .tf_read = ata_tf_read, |
| 110 | .check_status = ata_check_status, |
| 111 | .exec_command = ata_exec_command, |
| 112 | .dev_select = ata_std_dev_select, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | .bmdma_setup = ata_bmdma_setup, |
| 114 | .bmdma_start = ata_bmdma_start, |
| 115 | .bmdma_stop = ata_bmdma_stop, |
| 116 | .bmdma_status = ata_bmdma_status, |
| 117 | .qc_prep = ata_qc_prep, |
| 118 | .qc_issue = ata_qc_issue_prot, |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 119 | .data_xfer = ata_data_xfer, |
Tejun Heo | d7a80da | 2006-06-16 15:00:18 +0900 | [diff] [blame] | 120 | .freeze = ata_bmdma_freeze, |
| 121 | .thaw = ata_bmdma_thaw, |
| 122 | .error_handler = ata_bmdma_error_handler, |
| 123 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | .irq_clear = ata_bmdma_irq_clear, |
Akira Iguchi | 246ce3b | 2007-01-26 16:27:58 +0900 | [diff] [blame] | 125 | .irq_on = ata_irq_on, |
| 126 | .irq_ack = ata_irq_ack, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | .scr_read = sis_scr_read, |
| 128 | .scr_write = sis_scr_write, |
| 129 | .port_start = ata_port_start, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | }; |
| 131 | |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 132 | static const struct ata_port_info sis_port_info = { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 133 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | .pio_mask = 0x1f, |
| 135 | .mwdma_mask = 0x7, |
Jeff Garzik | bf6263a | 2007-07-09 12:16:50 -0400 | [diff] [blame] | 136 | .udma_mask = ATA_UDMA6, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | .port_ops = &sis_ops, |
| 138 | }; |
| 139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | MODULE_AUTHOR("Uwe Koziolek"); |
| 141 | MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller"); |
| 142 | MODULE_LICENSE("GPL"); |
| 143 | MODULE_DEVICE_TABLE(pci, sis_pci_tbl); |
| 144 | MODULE_VERSION(DRV_VERSION); |
| 145 | |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 146 | static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | { |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 148 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | unsigned int addr = SIS_SCR_BASE + (4 * sc_reg); |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 150 | u8 pmr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 152 | if (ap->port_no) { |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 153 | switch (pdev->device) { |
| 154 | case 0x0180: |
| 155 | case 0x0181: |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 156 | pci_read_config_byte(pdev, SIS_PMR, &pmr); |
| 157 | if ((pmr & SIS_PMR_COMBINED) == 0) |
| 158 | addr += SIS180_SATA1_OFS; |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 159 | break; |
Jeff Garzik | 8add788 | 2005-09-08 23:07:29 -0400 | [diff] [blame] | 160 | |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 161 | case 0x0182: |
| 162 | case 0x0183: |
| 163 | case 0x1182: |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 164 | addr += SIS182_SATA1_OFS; |
| 165 | break; |
| 166 | } |
| 167 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | return addr; |
| 169 | } |
| 170 | |
| 171 | static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) |
| 172 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 173 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 174 | unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg); |
Uwe Koziolek | 668e4bc | 2005-09-11 17:03:35 +0200 | [diff] [blame] | 175 | u32 val, val2 = 0; |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 176 | u8 pmr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | |
| 178 | if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */ |
| 179 | return 0xffffffff; |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 180 | |
| 181 | pci_read_config_byte(pdev, SIS_PMR, &pmr); |
Jeff Garzik | 8add788 | 2005-09-08 23:07:29 -0400 | [diff] [blame] | 182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | pci_read_config_dword(pdev, cfg_addr, &val); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 184 | |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 185 | if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || |
| 186 | (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED)) |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 187 | pci_read_config_dword(pdev, cfg_addr+0x10, &val2); |
| 188 | |
Uwe Koziolek | 4adccf6 | 2006-11-08 09:57:00 +0100 | [diff] [blame] | 189 | return (val|val2) & 0xfffffffb; /* avoid problems with powerdowned ports */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | } |
| 191 | |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 192 | static void sis_scr_cfg_write (struct ata_port *ap, unsigned int sc_reg, u32 val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 194 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 195 | unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 196 | u8 pmr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 198 | if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | return; |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 200 | |
| 201 | pci_read_config_byte(pdev, SIS_PMR, &pmr); |
Jeff Garzik | 8add788 | 2005-09-08 23:07:29 -0400 | [diff] [blame] | 202 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | pci_write_config_dword(pdev, cfg_addr, val); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 204 | |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 205 | if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || |
| 206 | (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED)) |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 207 | pci_write_config_dword(pdev, cfg_addr+0x10, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg) |
| 211 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 212 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
Jeff Garzik | 8add788 | 2005-09-08 23:07:29 -0400 | [diff] [blame] | 213 | u32 val, val2 = 0; |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 214 | u8 pmr; |
| 215 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | if (sc_reg > SCR_CONTROL) |
| 217 | return 0xffffffffU; |
| 218 | |
| 219 | if (ap->flags & SIS_FLAG_CFGSCR) |
| 220 | return sis_scr_cfg_read(ap, sc_reg); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 221 | |
| 222 | pci_read_config_byte(pdev, SIS_PMR, &pmr); |
| 223 | |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 224 | val = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4)); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 225 | |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 226 | if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || |
| 227 | (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED)) |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 228 | val2 = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 229 | |
Uwe Koziolek | 4adccf6 | 2006-11-08 09:57:00 +0100 | [diff] [blame] | 230 | return (val | val2) & 0xfffffffb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) |
| 234 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 235 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 236 | u8 pmr; |
| 237 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | if (sc_reg > SCR_CONTROL) |
| 239 | return; |
| 240 | |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 241 | pci_read_config_byte(pdev, SIS_PMR, &pmr); |
Jeff Garzik | 8add788 | 2005-09-08 23:07:29 -0400 | [diff] [blame] | 242 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | if (ap->flags & SIS_FLAG_CFGSCR) |
| 244 | sis_scr_cfg_write(ap, sc_reg, val); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 245 | else { |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 246 | iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4)); |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 247 | if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || |
| 248 | (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED)) |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 249 | iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4)+0x10); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 250 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | } |
| 252 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) |
| 254 | { |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 255 | static int printed_version; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 256 | struct ata_port_info pi = sis_port_info; |
Uwe Koziolek | ddfc87a | 2007-05-25 09:48:52 +0200 | [diff] [blame] | 257 | const struct ata_port_info *ppi[] = { &pi, &pi }; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 258 | struct ata_host *host; |
Uwe Koziolek | 4adccf6 | 2006-11-08 09:57:00 +0100 | [diff] [blame] | 259 | u32 genctl, val; |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 260 | u8 pmr; |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 261 | u8 port2_start = 0x20; |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 262 | int rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 264 | if (!printed_version++) |
| 265 | dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); |
| 266 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 267 | rc = pcim_enable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | if (rc) |
| 269 | return rc; |
| 270 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | /* check and see if the SCRs are in IO space or PCI cfg space */ |
| 272 | pci_read_config_dword(pdev, SIS_GENCTL, &genctl); |
| 273 | if ((genctl & GENCTL_IOMAPPED_SCR) == 0) |
Tejun Heo | cf0e812 | 2006-10-27 19:08:47 -0700 | [diff] [blame] | 274 | pi.flags |= SIS_FLAG_CFGSCR; |
Jeff Garzik | 8a60a07 | 2005-07-31 13:13:24 -0400 | [diff] [blame] | 275 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | /* if hardware thinks SCRs are in IO space, but there are |
| 277 | * no IO resources assigned, change to PCI cfg space. |
| 278 | */ |
Tejun Heo | cf0e812 | 2006-10-27 19:08:47 -0700 | [diff] [blame] | 279 | if ((!(pi.flags & SIS_FLAG_CFGSCR)) && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | ((pci_resource_start(pdev, SIS_SCR_PCI_BAR) == 0) || |
| 281 | (pci_resource_len(pdev, SIS_SCR_PCI_BAR) < 128))) { |
| 282 | genctl &= ~GENCTL_IOMAPPED_SCR; |
| 283 | pci_write_config_dword(pdev, SIS_GENCTL, genctl); |
Tejun Heo | cf0e812 | 2006-10-27 19:08:47 -0700 | [diff] [blame] | 284 | pi.flags |= SIS_FLAG_CFGSCR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | } |
| 286 | |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 287 | pci_read_config_byte(pdev, SIS_PMR, &pmr); |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 288 | switch (ent->device) { |
| 289 | case 0x0180: |
| 290 | case 0x0181: |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 291 | |
| 292 | /* The PATA-handling is provided by pata_sis */ |
| 293 | switch (pmr & 0x30) { |
| 294 | case 0x10: |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 295 | ppi[1] = &sis_info133_for_sata; |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 296 | break; |
Jeff Garzik | a84471f | 2007-02-26 05:51:33 -0500 | [diff] [blame] | 297 | |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 298 | case 0x30: |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 299 | ppi[0] = &sis_info133_for_sata; |
Alan | 9b14dec | 2007-01-08 16:11:07 +0000 | [diff] [blame] | 300 | break; |
| 301 | } |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 302 | if ((pmr & SIS_PMR_COMBINED) == 0) { |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 303 | dev_printk(KERN_INFO, &pdev->dev, |
Uwe Koziolek | 4adccf6 | 2006-11-08 09:57:00 +0100 | [diff] [blame] | 304 | "Detected SiS 180/181/964 chipset in SATA mode\n"); |
Arnaud Patard | 39eb936 | 2005-09-13 00:36:45 +0200 | [diff] [blame] | 305 | port2_start = 64; |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 306 | } else { |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 307 | dev_printk(KERN_INFO, &pdev->dev, |
| 308 | "Detected SiS 180/181 chipset in combined mode\n"); |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 309 | port2_start=0; |
Uwe Koziolek | 4adccf6 | 2006-11-08 09:57:00 +0100 | [diff] [blame] | 310 | pi.flags |= ATA_FLAG_SLAVE_POSS; |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 311 | } |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 312 | break; |
Jeff Garzik | f20b16f | 2006-12-11 11:14:06 -0500 | [diff] [blame] | 313 | |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 314 | case 0x0182: |
| 315 | case 0x0183: |
Uwe Koziolek | 4adccf6 | 2006-11-08 09:57:00 +0100 | [diff] [blame] | 316 | pci_read_config_dword ( pdev, 0x6C, &val); |
| 317 | if (val & (1L << 31)) { |
| 318 | dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182/965 chipset\n"); |
| 319 | pi.flags |= ATA_FLAG_SLAVE_POSS; |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 320 | } else { |
Uwe Koziolek | 4adccf6 | 2006-11-08 09:57:00 +0100 | [diff] [blame] | 321 | dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182/965L chipset\n"); |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 322 | } |
| 323 | break; |
| 324 | |
| 325 | case 0x1182: |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 326 | dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1182/966/680 SATA controller\n"); |
| 327 | pi.flags |= ATA_FLAG_SLAVE_POSS; |
| 328 | break; |
| 329 | |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 330 | case 0x1183: |
Uwe Koziolek | a3cabb2 | 2007-06-14 23:40:43 +0200 | [diff] [blame] | 331 | dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1183/966/966L/968/680 controller in PATA mode\n"); |
| 332 | ppi[0] = &sis_info133_for_sata; |
| 333 | ppi[1] = &sis_info133_for_sata; |
Uwe Koziolek | 3f3e731 | 2006-12-04 01:34:42 +0100 | [diff] [blame] | 334 | break; |
Arnaud Patard | f2c853b | 2005-09-07 22:44:48 +0200 | [diff] [blame] | 335 | } |
| 336 | |
Tejun Heo | d583bc1 | 2007-07-04 18:02:07 +0900 | [diff] [blame^] | 337 | rc = ata_pci_prepare_sff_host(pdev, ppi, &host); |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 338 | if (rc) |
| 339 | return rc; |
Tejun Heo | cf0e812 | 2006-10-27 19:08:47 -0700 | [diff] [blame] | 340 | |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 341 | if (!(pi.flags & SIS_FLAG_CFGSCR)) { |
Al Viro | edceec3 | 2007-03-14 09:19:00 +0000 | [diff] [blame] | 342 | void __iomem *mmio; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 343 | |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 344 | rc = pcim_iomap_regions(pdev, 1 << SIS_SCR_PCI_BAR, DRV_NAME); |
| 345 | if (rc) |
| 346 | return rc; |
| 347 | mmio = host->iomap[SIS_SCR_PCI_BAR]; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 348 | |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 349 | host->ports[0]->ioaddr.scr_addr = mmio; |
| 350 | host->ports[1]->ioaddr.scr_addr = mmio + port2_start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | pci_set_master(pdev); |
Brett M Russ | a04ce0f | 2005-08-15 15:23:41 -0400 | [diff] [blame] | 354 | pci_intx(pdev, 1); |
Tejun Heo | 9a829cc | 2007-04-17 23:44:08 +0900 | [diff] [blame] | 355 | return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, |
| 356 | &sis_sht); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | static int __init sis_init(void) |
| 360 | { |
Pavel Roskin | b788719 | 2006-08-10 18:13:18 +0900 | [diff] [blame] | 361 | return pci_register_driver(&sis_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | } |
| 363 | |
| 364 | static void __exit sis_exit(void) |
| 365 | { |
| 366 | pci_unregister_driver(&sis_pci_driver); |
| 367 | } |
| 368 | |
| 369 | module_init(sis_init); |
| 370 | module_exit(sis_exit); |