Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sata_promise.c - Promise SATA |
| 3 | * |
| 4 | * Maintained by: Jeff Garzik <jgarzik@pobox.com> |
| 5 | * Please ALWAYS copy linux-ide@vger.kernel.org |
| 6 | * on emails. |
| 7 | * |
| 8 | * Copyright 2003-2004 Red Hat, Inc. |
| 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 information only available under NDA. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | * |
| 31 | */ |
| 32 | |
| 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> |
| 40 | #include <linux/sched.h> |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 41 | #include <linux/device.h> |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 42 | #include <scsi/scsi.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | #include <scsi/scsi_host.h> |
Jeff Garzik | 193515d | 2005-11-07 00:59:37 -0500 | [diff] [blame] | 44 | #include <scsi/scsi_cmnd.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #include <linux/libata.h> |
| 46 | #include <asm/io.h> |
| 47 | #include "sata_promise.h" |
| 48 | |
| 49 | #define DRV_NAME "sata_promise" |
Jeff Garzik | 46b027c | 2006-11-14 14:46:17 -0500 | [diff] [blame] | 50 | #define DRV_VERSION "1.05" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
| 52 | |
| 53 | enum { |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 54 | /* register offsets */ |
| 55 | PDC_FEATURE = 0x04, /* Feature/Error reg (per port) */ |
| 56 | PDC_SECTOR_COUNT = 0x08, /* Sector count reg (per port) */ |
| 57 | PDC_SECTOR_NUMBER = 0x0C, /* Sector number reg (per port) */ |
| 58 | PDC_CYLINDER_LOW = 0x10, /* Cylinder low reg (per port) */ |
| 59 | PDC_CYLINDER_HIGH = 0x14, /* Cylinder high reg (per port) */ |
| 60 | PDC_DEVICE = 0x18, /* Device/Head reg (per port) */ |
| 61 | PDC_COMMAND = 0x1C, /* Command/status reg (per port) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */ |
| 63 | PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | PDC_FLASH_CTL = 0x44, /* Flash control register */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */ |
| 66 | PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */ |
| 67 | PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */ |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 68 | PDC2_SATA_PLUG_CSR = 0x60, /* SATAII Plug control/status reg */ |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 69 | PDC_TBG_MODE = 0x41C, /* TBG mode (not SATAII) */ |
| 70 | PDC_SLEW_CTL = 0x470, /* slew rate control reg (not SATAII) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
| 72 | PDC_ERR_MASK = (1<<19) | (1<<20) | (1<<21) | (1<<22) | |
| 73 | (1<<8) | (1<<9) | (1<<10), |
| 74 | |
| 75 | board_2037x = 0, /* FastTrak S150 TX2plus */ |
| 76 | board_20319 = 1, /* FastTrak S150 TX4 */ |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 77 | board_20619 = 2, /* FastTrak TX4000 */ |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 78 | board_2057x = 3, /* SATAII150 Tx2plus */ |
| 79 | board_40518 = 4, /* SATAII150 Tx4 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 81 | PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 83 | /* Sequence counter control registers bit definitions */ |
| 84 | PDC_SEQCNTRL_INT_MASK = (1 << 5), /* Sequence Interrupt Mask */ |
| 85 | |
| 86 | /* Feature register values */ |
| 87 | PDC_FEATURE_ATAPI_PIO = 0x00, /* ATAPI data xfer by PIO */ |
| 88 | PDC_FEATURE_ATAPI_DMA = 0x01, /* ATAPI data xfer by DMA */ |
| 89 | |
| 90 | /* Device/Head register values */ |
| 91 | PDC_DEVICE_SATA = 0xE0, /* Device/Head value for SATA devices */ |
| 92 | |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 93 | /* PDC_CTLSTAT bit definitions */ |
| 94 | PDC_DMA_ENABLE = (1 << 7), |
| 95 | PDC_IRQ_DISABLE = (1 << 10), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | PDC_RESET = (1 << 11), /* HDMA reset */ |
Jeff Garzik | 5063019 | 2005-12-13 02:29:45 -0500 | [diff] [blame] | 97 | |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 98 | PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 99 | ATA_FLAG_MMIO | |
Jeff Garzik | 3d0a59c | 2005-12-13 22:28:19 -0500 | [diff] [blame] | 100 | ATA_FLAG_PIO_POLLING, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 101 | |
| 102 | /* hp->flags bits */ |
| 103 | PDC_FLAG_GEN_II = (1 << 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | }; |
| 105 | |
| 106 | |
| 107 | struct pdc_port_priv { |
| 108 | u8 *pkt; |
| 109 | dma_addr_t pkt_dma; |
| 110 | }; |
| 111 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 112 | struct pdc_host_priv { |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 113 | unsigned long flags; |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 114 | unsigned long port_flags[ATA_MAX_PORTS]; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 115 | }; |
| 116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg); |
| 118 | static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); |
| 119 | static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 120 | static irqreturn_t pdc_interrupt (int irq, void *dev_instance); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | static void pdc_eng_timeout(struct ata_port *ap); |
| 122 | static int pdc_port_start(struct ata_port *ap); |
| 123 | static void pdc_port_stop(struct ata_port *ap); |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 124 | static void pdc_pata_phy_reset(struct ata_port *ap); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | static void pdc_qc_prep(struct ata_queued_cmd *qc); |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 126 | static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); |
| 127 | static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf); |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 128 | static int pdc_check_atapi_dma(struct ata_queued_cmd *qc); |
| 129 | static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | static void pdc_irq_clear(struct ata_port *ap); |
Tejun Heo | 9a3d9eb | 2006-01-23 13:09:36 +0900 | [diff] [blame] | 131 | static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc); |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 132 | static void pdc_host_stop(struct ata_host *host); |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 133 | static void pdc_freeze(struct ata_port *ap); |
| 134 | static void pdc_thaw(struct ata_port *ap); |
| 135 | static void pdc_error_handler(struct ata_port *ap); |
| 136 | static void pdc_post_internal_cmd(struct ata_queued_cmd *qc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | |
Jeff Garzik | 374b187 | 2005-08-30 05:42:52 -0400 | [diff] [blame] | 138 | |
Jeff Garzik | 193515d | 2005-11-07 00:59:37 -0500 | [diff] [blame] | 139 | static struct scsi_host_template pdc_ata_sht = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | .module = THIS_MODULE, |
| 141 | .name = DRV_NAME, |
| 142 | .ioctl = ata_scsi_ioctl, |
| 143 | .queuecommand = ata_scsi_queuecmd, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | .can_queue = ATA_DEF_QUEUE, |
| 145 | .this_id = ATA_SHT_THIS_ID, |
| 146 | .sg_tablesize = LIBATA_MAX_PRD, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | .cmd_per_lun = ATA_SHT_CMD_PER_LUN, |
| 148 | .emulated = ATA_SHT_EMULATED, |
| 149 | .use_clustering = ATA_SHT_USE_CLUSTERING, |
| 150 | .proc_name = DRV_NAME, |
| 151 | .dma_boundary = ATA_DMA_BOUNDARY, |
| 152 | .slave_configure = ata_scsi_slave_config, |
Tejun Heo | ccf68c3 | 2006-05-31 18:28:09 +0900 | [diff] [blame] | 153 | .slave_destroy = ata_scsi_slave_destroy, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | .bios_param = ata_std_bios_param, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | }; |
| 156 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 157 | static const struct ata_port_operations pdc_sata_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | .port_disable = ata_port_disable, |
| 159 | .tf_load = pdc_tf_load_mmio, |
| 160 | .tf_read = ata_tf_read, |
| 161 | .check_status = ata_check_status, |
| 162 | .exec_command = pdc_exec_command_mmio, |
| 163 | .dev_select = ata_std_dev_select, |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 164 | .check_atapi_dma = pdc_check_atapi_dma, |
| 165 | |
| 166 | .qc_prep = pdc_qc_prep, |
| 167 | .qc_issue = pdc_qc_issue_prot, |
| 168 | .freeze = pdc_freeze, |
| 169 | .thaw = pdc_thaw, |
| 170 | .error_handler = pdc_error_handler, |
| 171 | .post_internal_cmd = pdc_post_internal_cmd, |
| 172 | .data_xfer = ata_mmio_data_xfer, |
| 173 | .irq_handler = pdc_interrupt, |
| 174 | .irq_clear = pdc_irq_clear, |
| 175 | |
| 176 | .scr_read = pdc_sata_scr_read, |
| 177 | .scr_write = pdc_sata_scr_write, |
| 178 | .port_start = pdc_port_start, |
| 179 | .port_stop = pdc_port_stop, |
| 180 | .host_stop = pdc_host_stop, |
| 181 | }; |
| 182 | |
| 183 | /* First-generation chips need a more restrictive ->check_atapi_dma op */ |
| 184 | static const struct ata_port_operations pdc_old_sata_ops = { |
| 185 | .port_disable = ata_port_disable, |
| 186 | .tf_load = pdc_tf_load_mmio, |
| 187 | .tf_read = ata_tf_read, |
| 188 | .check_status = ata_check_status, |
| 189 | .exec_command = pdc_exec_command_mmio, |
| 190 | .dev_select = ata_std_dev_select, |
| 191 | .check_atapi_dma = pdc_old_check_atapi_dma, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 192 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | .qc_prep = pdc_qc_prep, |
| 194 | .qc_issue = pdc_qc_issue_prot, |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 195 | .freeze = pdc_freeze, |
| 196 | .thaw = pdc_thaw, |
| 197 | .error_handler = pdc_error_handler, |
| 198 | .post_internal_cmd = pdc_post_internal_cmd, |
Alan Cox | a6b2c5d | 2006-05-22 16:59:59 +0100 | [diff] [blame] | 199 | .data_xfer = ata_mmio_data_xfer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | .irq_handler = pdc_interrupt, |
| 201 | .irq_clear = pdc_irq_clear, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 202 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | .scr_read = pdc_sata_scr_read, |
| 204 | .scr_write = pdc_sata_scr_write, |
| 205 | .port_start = pdc_port_start, |
| 206 | .port_stop = pdc_port_stop, |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 207 | .host_stop = pdc_host_stop, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | }; |
| 209 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 210 | static const struct ata_port_operations pdc_pata_ops = { |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 211 | .port_disable = ata_port_disable, |
| 212 | .tf_load = pdc_tf_load_mmio, |
| 213 | .tf_read = ata_tf_read, |
| 214 | .check_status = ata_check_status, |
| 215 | .exec_command = pdc_exec_command_mmio, |
| 216 | .dev_select = ata_std_dev_select, |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 217 | .check_atapi_dma = pdc_check_atapi_dma, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 218 | |
| 219 | .phy_reset = pdc_pata_phy_reset, |
| 220 | |
| 221 | .qc_prep = pdc_qc_prep, |
| 222 | .qc_issue = pdc_qc_issue_prot, |
Alan Cox | a6b2c5d | 2006-05-22 16:59:59 +0100 | [diff] [blame] | 223 | .data_xfer = ata_mmio_data_xfer, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 224 | .eng_timeout = pdc_eng_timeout, |
| 225 | .irq_handler = pdc_interrupt, |
| 226 | .irq_clear = pdc_irq_clear, |
| 227 | |
| 228 | .port_start = pdc_port_start, |
| 229 | .port_stop = pdc_port_stop, |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 230 | .host_stop = pdc_host_stop, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 231 | }; |
| 232 | |
Arjan van de Ven | 98ac62d | 2005-11-28 10:06:23 +0100 | [diff] [blame] | 233 | static const struct ata_port_info pdc_port_info[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | /* board_2037x */ |
| 235 | { |
| 236 | .sht = &pdc_ata_sht, |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 237 | .flags = PDC_COMMON_FLAGS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | .pio_mask = 0x1f, /* pio0-4 */ |
| 239 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 240 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 241 | .port_ops = &pdc_old_sata_ops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | }, |
| 243 | |
| 244 | /* board_20319 */ |
| 245 | { |
| 246 | .sht = &pdc_ata_sht, |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 247 | .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | .pio_mask = 0x1f, /* pio0-4 */ |
| 249 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 250 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 251 | .port_ops = &pdc_old_sata_ops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | }, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 253 | |
| 254 | /* board_20619 */ |
| 255 | { |
| 256 | .sht = &pdc_ata_sht, |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 257 | .flags = PDC_COMMON_FLAGS | ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 258 | .pio_mask = 0x1f, /* pio0-4 */ |
| 259 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 260 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 261 | .port_ops = &pdc_pata_ops, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 262 | }, |
Yusuf Iskenderoglu | 5a46fe8 | 2006-01-17 08:06:21 -0500 | [diff] [blame] | 263 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 264 | /* board_2057x */ |
| 265 | { |
| 266 | .sht = &pdc_ata_sht, |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 267 | .flags = PDC_COMMON_FLAGS, |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 268 | .pio_mask = 0x1f, /* pio0-4 */ |
| 269 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 270 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
| 271 | .port_ops = &pdc_sata_ops, |
| 272 | }, |
| 273 | |
| 274 | /* board_40518 */ |
| 275 | { |
| 276 | .sht = &pdc_ata_sht, |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 277 | .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 278 | .pio_mask = 0x1f, /* pio0-4 */ |
| 279 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 280 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
| 281 | .port_ops = &pdc_sata_ops, |
| 282 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | }; |
| 284 | |
Jeff Garzik | 3b7d697 | 2005-11-10 11:04:11 -0500 | [diff] [blame] | 285 | static const struct pci_device_id pdc_ata_pci_tbl[] = { |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 286 | { PCI_VDEVICE(PROMISE, 0x3371), board_2037x }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 287 | { PCI_VDEVICE(PROMISE, 0x3373), board_2037x }, |
| 288 | { PCI_VDEVICE(PROMISE, 0x3375), board_2037x }, |
| 289 | { PCI_VDEVICE(PROMISE, 0x3376), board_2037x }, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 290 | { PCI_VDEVICE(PROMISE, 0x3570), board_2057x }, |
| 291 | { PCI_VDEVICE(PROMISE, 0x3571), board_2057x }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 292 | { PCI_VDEVICE(PROMISE, 0x3574), board_2057x }, |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 293 | { PCI_VDEVICE(PROMISE, 0x3577), board_2057x }, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 294 | { PCI_VDEVICE(PROMISE, 0x3d73), board_2057x }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 295 | { PCI_VDEVICE(PROMISE, 0x3d75), board_2057x }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 297 | { PCI_VDEVICE(PROMISE, 0x3318), board_20319 }, |
| 298 | { PCI_VDEVICE(PROMISE, 0x3319), board_20319 }, |
| 299 | { PCI_VDEVICE(PROMISE, 0x3515), board_20319 }, |
| 300 | { PCI_VDEVICE(PROMISE, 0x3519), board_20319 }, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 301 | { PCI_VDEVICE(PROMISE, 0x3d17), board_40518 }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 302 | { PCI_VDEVICE(PROMISE, 0x3d18), board_40518 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 304 | { PCI_VDEVICE(PROMISE, 0x6629), board_20619 }, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 305 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | { } /* terminate list */ |
| 307 | }; |
| 308 | |
| 309 | |
| 310 | static struct pci_driver pdc_ata_pci_driver = { |
| 311 | .name = DRV_NAME, |
| 312 | .id_table = pdc_ata_pci_tbl, |
| 313 | .probe = pdc_ata_init_one, |
| 314 | .remove = ata_pci_remove_one, |
| 315 | }; |
| 316 | |
| 317 | |
| 318 | static int pdc_port_start(struct ata_port *ap) |
| 319 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 320 | struct device *dev = ap->host->dev; |
Mikael Pettersson | 599b720 | 2006-12-01 10:55:58 +0100 | [diff] [blame] | 321 | struct pdc_host_priv *hp = ap->host->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | struct pdc_port_priv *pp; |
| 323 | int rc; |
| 324 | |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 325 | /* fix up port flags and cable type for SATA+PATA chips */ |
| 326 | ap->flags |= hp->port_flags[ap->port_no]; |
| 327 | if (ap->flags & ATA_FLAG_SATA) |
| 328 | ap->cbl = ATA_CBL_SATA; |
| 329 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | rc = ata_port_start(ap); |
| 331 | if (rc) |
| 332 | return rc; |
| 333 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 334 | pp = kzalloc(sizeof(*pp), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | if (!pp) { |
| 336 | rc = -ENOMEM; |
| 337 | goto err_out; |
| 338 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | |
| 340 | pp->pkt = dma_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL); |
| 341 | if (!pp->pkt) { |
| 342 | rc = -ENOMEM; |
| 343 | goto err_out_kfree; |
| 344 | } |
| 345 | |
| 346 | ap->private_data = pp; |
| 347 | |
Mikael Pettersson | 599b720 | 2006-12-01 10:55:58 +0100 | [diff] [blame] | 348 | /* fix up PHYMODE4 align timing */ |
| 349 | if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) { |
| 350 | void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr; |
| 351 | unsigned int tmp; |
| 352 | |
| 353 | tmp = readl(mmio + 0x014); |
| 354 | tmp = (tmp & ~3) | 1; /* set bits 1:0 = 0:1 */ |
| 355 | writel(tmp, mmio + 0x014); |
| 356 | } |
| 357 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | return 0; |
| 359 | |
| 360 | err_out_kfree: |
| 361 | kfree(pp); |
| 362 | err_out: |
| 363 | ata_port_stop(ap); |
| 364 | return rc; |
| 365 | } |
| 366 | |
| 367 | |
| 368 | static void pdc_port_stop(struct ata_port *ap) |
| 369 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 370 | struct device *dev = ap->host->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | struct pdc_port_priv *pp = ap->private_data; |
| 372 | |
| 373 | ap->private_data = NULL; |
| 374 | dma_free_coherent(dev, 128, pp->pkt, pp->pkt_dma); |
| 375 | kfree(pp); |
| 376 | ata_port_stop(ap); |
| 377 | } |
| 378 | |
| 379 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 380 | static void pdc_host_stop(struct ata_host *host) |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 381 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 382 | struct pdc_host_priv *hp = host->private_data; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 383 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 384 | ata_pci_host_stop(host); |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 385 | |
| 386 | kfree(hp); |
| 387 | } |
| 388 | |
| 389 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | static void pdc_reset_port(struct ata_port *ap) |
| 391 | { |
Jeff Garzik | ea6ba10 | 2005-08-30 05:18:18 -0400 | [diff] [blame] | 392 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | unsigned int i; |
| 394 | u32 tmp; |
| 395 | |
| 396 | for (i = 11; i > 0; i--) { |
| 397 | tmp = readl(mmio); |
| 398 | if (tmp & PDC_RESET) |
| 399 | break; |
| 400 | |
| 401 | udelay(100); |
| 402 | |
| 403 | tmp |= PDC_RESET; |
| 404 | writel(tmp, mmio); |
| 405 | } |
| 406 | |
| 407 | tmp &= ~PDC_RESET; |
| 408 | writel(tmp, mmio); |
| 409 | readl(mmio); /* flush */ |
| 410 | } |
| 411 | |
Jeff Garzik | d3fb4e8 | 2006-05-24 01:43:25 -0400 | [diff] [blame] | 412 | static void pdc_pata_cbl_detect(struct ata_port *ap) |
| 413 | { |
| 414 | u8 tmp; |
Al Viro | 03dc550 | 2006-10-10 22:48:07 +0100 | [diff] [blame] | 415 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03; |
Jeff Garzik | d3fb4e8 | 2006-05-24 01:43:25 -0400 | [diff] [blame] | 416 | |
| 417 | tmp = readb(mmio); |
| 418 | |
| 419 | if (tmp & 0x01) { |
| 420 | ap->cbl = ATA_CBL_PATA40; |
| 421 | ap->udma_mask &= ATA_UDMA_MASK_40C; |
| 422 | } else |
| 423 | ap->cbl = ATA_CBL_PATA80; |
| 424 | } |
| 425 | |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 426 | static void pdc_pata_phy_reset(struct ata_port *ap) |
| 427 | { |
Jeff Garzik | d3fb4e8 | 2006-05-24 01:43:25 -0400 | [diff] [blame] | 428 | pdc_pata_cbl_detect(ap); |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 429 | pdc_reset_port(ap); |
| 430 | ata_port_probe(ap); |
| 431 | ata_bus_reset(ap); |
| 432 | } |
| 433 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) |
| 435 | { |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 436 | if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | return 0xffffffffU; |
Al Viro | b181d3b | 2005-10-21 06:46:02 +0100 | [diff] [blame] | 438 | return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | |
| 442 | static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, |
| 443 | u32 val) |
| 444 | { |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 445 | if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | return; |
Al Viro | b181d3b | 2005-10-21 06:46:02 +0100 | [diff] [blame] | 447 | writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | } |
| 449 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 450 | static void pdc_atapi_dma_pkt(struct ata_taskfile *tf, |
| 451 | dma_addr_t sg_table, |
| 452 | unsigned int cdb_len, u8 *cdb, |
| 453 | u8 *buf) |
| 454 | { |
| 455 | u32 *buf32 = (u32 *) buf; |
| 456 | |
| 457 | /* set control bits (byte 0), zero delay seq id (byte 3), |
| 458 | * and seq id (byte 2) |
| 459 | */ |
| 460 | if (!(tf->flags & ATA_TFLAG_WRITE)) |
| 461 | buf32[0] = cpu_to_le32(PDC_PKT_READ); |
| 462 | else |
| 463 | buf32[0] = 0; |
| 464 | buf32[1] = cpu_to_le32(sg_table); /* S/G table addr */ |
| 465 | buf32[2] = 0; /* no next-packet */ |
| 466 | |
| 467 | /* we can represent cdb lengths 2/4/6/8/10/12/14/16 */ |
| 468 | BUG_ON(cdb_len & ~0x1E); |
| 469 | |
| 470 | buf[12] = (((cdb_len >> 1) & 7) << 5) | ATA_REG_DATA | PDC_LAST_REG; |
| 471 | memcpy(buf+13, cdb, cdb_len); |
| 472 | } |
| 473 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | static void pdc_qc_prep(struct ata_queued_cmd *qc) |
| 475 | { |
| 476 | struct pdc_port_priv *pp = qc->ap->private_data; |
| 477 | unsigned int i; |
| 478 | |
| 479 | VPRINTK("ENTER\n"); |
| 480 | |
| 481 | switch (qc->tf.protocol) { |
| 482 | case ATA_PROT_DMA: |
| 483 | ata_qc_prep(qc); |
| 484 | /* fall through */ |
| 485 | |
| 486 | case ATA_PROT_NODATA: |
| 487 | i = pdc_pkt_header(&qc->tf, qc->ap->prd_dma, |
| 488 | qc->dev->devno, pp->pkt); |
| 489 | |
| 490 | if (qc->tf.flags & ATA_TFLAG_LBA48) |
| 491 | i = pdc_prep_lba48(&qc->tf, pp->pkt, i); |
| 492 | else |
| 493 | i = pdc_prep_lba28(&qc->tf, pp->pkt, i); |
| 494 | |
| 495 | pdc_pkt_footer(&qc->tf, pp->pkt, i); |
| 496 | break; |
| 497 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 498 | case ATA_PROT_ATAPI: |
| 499 | case ATA_PROT_ATAPI_NODATA: |
| 500 | ata_qc_prep(qc); |
| 501 | break; |
| 502 | |
| 503 | case ATA_PROT_ATAPI_DMA: |
| 504 | ata_qc_prep(qc); |
| 505 | pdc_atapi_dma_pkt(&qc->tf, qc->ap->prd_dma, qc->dev->cdb_len, qc->cdb, pp->pkt); |
| 506 | break; |
| 507 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | default: |
| 509 | break; |
| 510 | } |
| 511 | } |
| 512 | |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 513 | static void pdc_freeze(struct ata_port *ap) |
| 514 | { |
| 515 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr; |
| 516 | u32 tmp; |
| 517 | |
| 518 | tmp = readl(mmio + PDC_CTLSTAT); |
| 519 | tmp |= PDC_IRQ_DISABLE; |
| 520 | tmp &= ~PDC_DMA_ENABLE; |
| 521 | writel(tmp, mmio + PDC_CTLSTAT); |
| 522 | readl(mmio + PDC_CTLSTAT); /* flush */ |
| 523 | } |
| 524 | |
| 525 | static void pdc_thaw(struct ata_port *ap) |
| 526 | { |
| 527 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr; |
| 528 | u32 tmp; |
| 529 | |
| 530 | /* clear IRQ */ |
| 531 | readl(mmio + PDC_INT_SEQMASK); |
| 532 | |
| 533 | /* turn IRQ back on */ |
| 534 | tmp = readl(mmio + PDC_CTLSTAT); |
| 535 | tmp &= ~PDC_IRQ_DISABLE; |
| 536 | writel(tmp, mmio + PDC_CTLSTAT); |
| 537 | readl(mmio + PDC_CTLSTAT); /* flush */ |
| 538 | } |
| 539 | |
| 540 | static void pdc_error_handler(struct ata_port *ap) |
| 541 | { |
| 542 | ata_reset_fn_t hardreset; |
| 543 | |
| 544 | if (!(ap->pflags & ATA_PFLAG_FROZEN)) |
| 545 | pdc_reset_port(ap); |
| 546 | |
| 547 | hardreset = NULL; |
| 548 | if (sata_scr_valid(ap)) |
| 549 | hardreset = sata_std_hardreset; |
| 550 | |
| 551 | /* perform recovery */ |
| 552 | ata_do_eh(ap, ata_std_prereset, ata_std_softreset, hardreset, |
| 553 | ata_std_postreset); |
| 554 | } |
| 555 | |
| 556 | static void pdc_post_internal_cmd(struct ata_queued_cmd *qc) |
| 557 | { |
| 558 | struct ata_port *ap = qc->ap; |
| 559 | |
| 560 | if (qc->flags & ATA_QCFLAG_FAILED) |
| 561 | qc->err_mask |= AC_ERR_OTHER; |
| 562 | |
| 563 | /* make DMA engine forget about the failed command */ |
| 564 | if (qc->err_mask) |
| 565 | pdc_reset_port(ap); |
| 566 | } |
| 567 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | static void pdc_eng_timeout(struct ata_port *ap) |
| 569 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 570 | struct ata_host *host = ap->host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | u8 drv_stat; |
| 572 | struct ata_queued_cmd *qc; |
Jeff Garzik | b8f6153 | 2005-08-25 22:01:20 -0400 | [diff] [blame] | 573 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | |
| 575 | DPRINTK("ENTER\n"); |
| 576 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 577 | spin_lock_irqsave(&host->lock, flags); |
Jeff Garzik | b8f6153 | 2005-08-25 22:01:20 -0400 | [diff] [blame] | 578 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | qc = ata_qc_from_tag(ap, ap->active_tag); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | switch (qc->tf.protocol) { |
| 582 | case ATA_PROT_DMA: |
| 583 | case ATA_PROT_NODATA: |
Tejun Heo | f15a1da | 2006-05-15 20:57:56 +0900 | [diff] [blame] | 584 | ata_port_printk(ap, KERN_ERR, "command timeout\n"); |
Jeff Garzik | a7dac44 | 2005-10-30 04:44:42 -0500 | [diff] [blame] | 585 | drv_stat = ata_wait_idle(ap); |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 586 | qc->err_mask |= __ac_err_mask(drv_stat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | break; |
| 588 | |
| 589 | default: |
| 590 | drv_stat = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000); |
| 591 | |
Tejun Heo | f15a1da | 2006-05-15 20:57:56 +0900 | [diff] [blame] | 592 | ata_port_printk(ap, KERN_ERR, |
| 593 | "unknown timeout, cmd 0x%x stat 0x%x\n", |
| 594 | qc->tf.command, drv_stat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 596 | qc->err_mask |= ac_err_mask(drv_stat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | break; |
| 598 | } |
| 599 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 600 | spin_unlock_irqrestore(&host->lock, flags); |
Tejun Heo | f637902 | 2006-02-10 15:10:48 +0900 | [diff] [blame] | 601 | ata_eh_qc_complete(qc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | DPRINTK("EXIT\n"); |
| 603 | } |
| 604 | |
| 605 | static inline unsigned int pdc_host_intr( struct ata_port *ap, |
| 606 | struct ata_queued_cmd *qc) |
| 607 | { |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 608 | unsigned int handled = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | u32 tmp; |
Jeff Garzik | ea6ba10 | 2005-08-30 05:18:18 -0400 | [diff] [blame] | 610 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | |
| 612 | tmp = readl(mmio); |
| 613 | if (tmp & PDC_ERR_MASK) { |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 614 | qc->err_mask |= AC_ERR_DEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | pdc_reset_port(ap); |
| 616 | } |
| 617 | |
| 618 | switch (qc->tf.protocol) { |
| 619 | case ATA_PROT_DMA: |
| 620 | case ATA_PROT_NODATA: |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 621 | case ATA_PROT_ATAPI_DMA: |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 622 | qc->err_mask |= ac_err_mask(ata_wait_idle(ap)); |
| 623 | ata_qc_complete(qc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | handled = 1; |
| 625 | break; |
| 626 | |
| 627 | default: |
Albert Lee | ee500aa | 2005-09-27 17:34:38 +0800 | [diff] [blame] | 628 | ap->stats.idle_irq++; |
| 629 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | } |
| 631 | |
Albert Lee | ee500aa | 2005-09-27 17:34:38 +0800 | [diff] [blame] | 632 | return handled; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | } |
| 634 | |
| 635 | static void pdc_irq_clear(struct ata_port *ap) |
| 636 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 637 | struct ata_host *host = ap->host; |
| 638 | void __iomem *mmio = host->mmio_base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | |
| 640 | readl(mmio + PDC_INT_SEQMASK); |
| 641 | } |
| 642 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 643 | static irqreturn_t pdc_interrupt (int irq, void *dev_instance) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 645 | struct ata_host *host = dev_instance; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | struct ata_port *ap; |
| 647 | u32 mask = 0; |
| 648 | unsigned int i, tmp; |
| 649 | unsigned int handled = 0; |
Jeff Garzik | ea6ba10 | 2005-08-30 05:18:18 -0400 | [diff] [blame] | 650 | void __iomem *mmio_base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | |
| 652 | VPRINTK("ENTER\n"); |
| 653 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 654 | if (!host || !host->mmio_base) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | VPRINTK("QUICK EXIT\n"); |
| 656 | return IRQ_NONE; |
| 657 | } |
| 658 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 659 | mmio_base = host->mmio_base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | |
| 661 | /* reading should also clear interrupts */ |
| 662 | mask = readl(mmio_base + PDC_INT_SEQMASK); |
| 663 | |
| 664 | if (mask == 0xffffffff) { |
| 665 | VPRINTK("QUICK EXIT 2\n"); |
| 666 | return IRQ_NONE; |
| 667 | } |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 668 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 669 | spin_lock(&host->lock); |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 670 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | mask &= 0xffff; /* only 16 tags possible */ |
| 672 | if (!mask) { |
| 673 | VPRINTK("QUICK EXIT 3\n"); |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 674 | goto done_irq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | } |
| 676 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | writel(mask, mmio_base + PDC_INT_SEQMASK); |
| 678 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 679 | for (i = 0; i < host->n_ports; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | VPRINTK("port %u\n", i); |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 681 | ap = host->ports[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | tmp = mask & (1 << (i + 1)); |
Tejun Heo | c138950 | 2005-08-22 14:59:24 +0900 | [diff] [blame] | 683 | if (tmp && ap && |
Jeff Garzik | 029f546 | 2006-04-02 10:30:40 -0400 | [diff] [blame] | 684 | !(ap->flags & ATA_FLAG_DISABLED)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | struct ata_queued_cmd *qc; |
| 686 | |
| 687 | qc = ata_qc_from_tag(ap, ap->active_tag); |
Albert Lee | e50362e | 2005-09-27 17:39:50 +0800 | [diff] [blame] | 688 | if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | handled += pdc_host_intr(ap, qc); |
| 690 | } |
| 691 | } |
| 692 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | VPRINTK("EXIT\n"); |
| 694 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 695 | done_irq: |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 696 | spin_unlock(&host->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | return IRQ_RETVAL(handled); |
| 698 | } |
| 699 | |
| 700 | static inline void pdc_packet_start(struct ata_queued_cmd *qc) |
| 701 | { |
| 702 | struct ata_port *ap = qc->ap; |
| 703 | struct pdc_port_priv *pp = ap->private_data; |
| 704 | unsigned int port_no = ap->port_no; |
| 705 | u8 seq = (u8) (port_no + 1); |
| 706 | |
| 707 | VPRINTK("ENTER, ap %p\n", ap); |
| 708 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 709 | writel(0x00000001, ap->host->mmio_base + (seq * 4)); |
| 710 | readl(ap->host->mmio_base + (seq * 4)); /* flush */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | |
| 712 | pp->pkt[2] = seq; |
| 713 | wmb(); /* flush PRD, pkt writes */ |
Al Viro | b181d3b | 2005-10-21 06:46:02 +0100 | [diff] [blame] | 714 | writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); |
| 715 | readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | } |
| 717 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 718 | static unsigned int pdc_wait_for_drq(struct ata_port *ap) |
| 719 | { |
| 720 | void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr; |
| 721 | unsigned int i; |
| 722 | unsigned int status; |
| 723 | |
| 724 | /* Following pdc-ultra's WaitForDrq() we loop here until BSY |
| 725 | * is clear and DRQ is set in altstatus. We could possibly call |
| 726 | * ata_busy_wait() and loop until DRQ is set, but since we don't |
| 727 | * know how much time a call to ata_busy_wait() took, we don't |
| 728 | * know when to time out the outer loop. |
| 729 | */ |
| 730 | for(i = 0; i < 1000; ++i) { |
| 731 | status = readb(port_mmio + 0x38); /* altstatus */ |
| 732 | if (status == 0xFF) |
| 733 | break; |
| 734 | if (status & ATA_BUSY) |
| 735 | ; |
| 736 | else if (status & (ATA_DRQ | ATA_ERR)) |
| 737 | break; |
| 738 | mdelay(1); |
| 739 | } |
| 740 | if (i >= 1000) |
| 741 | ata_port_printk(ap, KERN_WARNING, "%s timed out", __FUNCTION__); |
| 742 | return status; |
| 743 | } |
| 744 | |
| 745 | static void pdc_issue_atapi_pkt_cmd(struct ata_queued_cmd *qc) |
| 746 | { |
| 747 | struct ata_port *ap = qc->ap; |
| 748 | void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr; |
| 749 | void __iomem *host_mmio = ap->host->mmio_base; |
| 750 | unsigned int nbytes; |
| 751 | unsigned int tmp; |
| 752 | |
| 753 | writeb(0x00, port_mmio + PDC_CTLSTAT); /* route drive INT to SEQ 0 */ |
| 754 | writeb(PDC_SEQCNTRL_INT_MASK, host_mmio + 0); /* but mask SEQ 0 INT */ |
| 755 | |
| 756 | /* select drive */ |
| 757 | if (sata_scr_valid(ap)) { |
| 758 | tmp = PDC_DEVICE_SATA; |
| 759 | } else { |
| 760 | tmp = ATA_DEVICE_OBS; |
| 761 | if (qc->dev->devno != 0) |
| 762 | tmp |= ATA_DEV1; |
| 763 | } |
| 764 | writeb(tmp, port_mmio + PDC_DEVICE); |
| 765 | ata_busy_wait(ap, ATA_BUSY, 1000); |
| 766 | |
| 767 | writeb(0x00, port_mmio + PDC_SECTOR_COUNT); |
| 768 | writeb(0x00, port_mmio + PDC_SECTOR_NUMBER); |
| 769 | |
| 770 | /* set feature and byte counter registers */ |
| 771 | if (qc->tf.protocol != ATA_PROT_ATAPI_DMA) { |
| 772 | tmp = PDC_FEATURE_ATAPI_PIO; |
| 773 | /* set byte counter register to real transfer byte count */ |
| 774 | nbytes = qc->nbytes; |
| 775 | if (!nbytes) |
| 776 | nbytes = qc->nsect << 9; |
| 777 | if (nbytes > 0xffff) |
| 778 | nbytes = 0xffff; |
| 779 | } else { |
| 780 | tmp = PDC_FEATURE_ATAPI_DMA; |
| 781 | /* set byte counter register to 0 */ |
| 782 | nbytes = 0; |
| 783 | } |
| 784 | writeb(tmp, port_mmio + PDC_FEATURE); |
| 785 | writeb(nbytes & 0xFF, port_mmio + PDC_CYLINDER_LOW); |
| 786 | writeb((nbytes >> 8) & 0xFF, port_mmio + PDC_CYLINDER_HIGH); |
| 787 | |
| 788 | /* send ATAPI packet command 0xA0 */ |
| 789 | writeb(ATA_CMD_PACKET, port_mmio + PDC_COMMAND); |
| 790 | |
| 791 | /* |
| 792 | * At this point in the issuing of a packet command, the Promise |
| 793 | * driver busy-waits for INT (CTLSTAT bit 27) if it detected |
| 794 | * (at port init time) that the device interrupts with assertion |
| 795 | * of DRQ after receiving a packet command. |
| 796 | * |
| 797 | * XXX: Do we need to handle this case as well? Does libata detect |
| 798 | * this case for us, or do we have to do our own per-port init? |
| 799 | */ |
| 800 | |
| 801 | pdc_wait_for_drq(ap); |
| 802 | |
| 803 | /* now the device only waits for the CDB */ |
| 804 | } |
| 805 | |
Tejun Heo | 9a3d9eb | 2006-01-23 13:09:36 +0900 | [diff] [blame] | 806 | static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | { |
| 808 | switch (qc->tf.protocol) { |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 809 | case ATA_PROT_ATAPI_DMA: |
| 810 | pdc_issue_atapi_pkt_cmd(qc); |
| 811 | /*FALLTHROUGH*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | case ATA_PROT_DMA: |
| 813 | case ATA_PROT_NODATA: |
| 814 | pdc_packet_start(qc); |
| 815 | return 0; |
| 816 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | default: |
| 818 | break; |
| 819 | } |
| 820 | |
| 821 | return ata_qc_issue_prot(qc); |
| 822 | } |
| 823 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 824 | static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | { |
| 826 | WARN_ON (tf->protocol == ATA_PROT_DMA || |
| 827 | tf->protocol == ATA_PROT_NODATA); |
| 828 | ata_tf_load(ap, tf); |
| 829 | } |
| 830 | |
| 831 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 832 | static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | { |
| 834 | WARN_ON (tf->protocol == ATA_PROT_DMA || |
| 835 | tf->protocol == ATA_PROT_NODATA); |
| 836 | ata_exec_command(ap, tf); |
| 837 | } |
| 838 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 839 | static int pdc_check_atapi_dma(struct ata_queued_cmd *qc) |
| 840 | { |
| 841 | u8 *scsicmd = qc->scsicmd->cmnd; |
| 842 | int pio = 1; /* atapi dma off by default */ |
| 843 | |
| 844 | /* Whitelist commands that may use DMA. */ |
| 845 | switch (scsicmd[0]) { |
| 846 | case WRITE_12: |
| 847 | case WRITE_10: |
| 848 | case WRITE_6: |
| 849 | case READ_12: |
| 850 | case READ_10: |
| 851 | case READ_6: |
| 852 | case 0xad: /* READ_DVD_STRUCTURE */ |
| 853 | case 0xbe: /* READ_CD */ |
| 854 | pio = 0; |
| 855 | } |
| 856 | /* -45150 (FFFF4FA2) to -1 (FFFFFFFF) shall use PIO mode */ |
| 857 | if (scsicmd[0] == WRITE_10) { |
| 858 | unsigned int lba; |
| 859 | lba = (scsicmd[2] << 24) | (scsicmd[3] << 16) | (scsicmd[4] << 8) | scsicmd[5]; |
| 860 | if (lba >= 0xFFFF4FA2) |
| 861 | pio = 1; |
| 862 | } |
| 863 | return pio; |
| 864 | } |
| 865 | |
| 866 | static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc) |
| 867 | { |
| 868 | struct ata_port *ap = qc->ap; |
| 869 | |
| 870 | /* First generation chips cannot use ATAPI DMA on SATA ports */ |
| 871 | if (sata_scr_valid(ap)) |
| 872 | return 1; |
| 873 | return pdc_check_atapi_dma(qc); |
| 874 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 875 | |
| 876 | static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base) |
| 877 | { |
| 878 | port->cmd_addr = base; |
| 879 | port->data_addr = base; |
| 880 | port->feature_addr = |
| 881 | port->error_addr = base + 0x4; |
| 882 | port->nsect_addr = base + 0x8; |
| 883 | port->lbal_addr = base + 0xc; |
| 884 | port->lbam_addr = base + 0x10; |
| 885 | port->lbah_addr = base + 0x14; |
| 886 | port->device_addr = base + 0x18; |
| 887 | port->command_addr = |
| 888 | port->status_addr = base + 0x1c; |
| 889 | port->altstatus_addr = |
| 890 | port->ctl_addr = base + 0x38; |
| 891 | } |
| 892 | |
| 893 | |
| 894 | static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe) |
| 895 | { |
Jeff Garzik | ea6ba10 | 2005-08-30 05:18:18 -0400 | [diff] [blame] | 896 | void __iomem *mmio = pe->mmio_base; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 897 | struct pdc_host_priv *hp = pe->private_data; |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 898 | int hotplug_offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | u32 tmp; |
| 900 | |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 901 | if (hp->flags & PDC_FLAG_GEN_II) |
| 902 | hotplug_offset = PDC2_SATA_PLUG_CSR; |
| 903 | else |
| 904 | hotplug_offset = PDC_SATA_PLUG_CSR; |
| 905 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | /* |
| 907 | * Except for the hotplug stuff, this is voodoo from the |
| 908 | * Promise driver. Label this entire section |
| 909 | * "TODO: figure out why we do this" |
| 910 | */ |
| 911 | |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 912 | /* enable BMR_BURST, maybe change FIFO_SHD to 8 dwords */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 913 | tmp = readl(mmio + PDC_FLASH_CTL); |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 914 | tmp |= 0x02000; /* bit 13 (enable bmr burst) */ |
| 915 | if (!(hp->flags & PDC_FLAG_GEN_II)) |
| 916 | tmp |= 0x10000; /* bit 16 (fifo threshold at 8 dw) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | writel(tmp, mmio + PDC_FLASH_CTL); |
| 918 | |
| 919 | /* clear plug/unplug flags for all ports */ |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 920 | tmp = readl(mmio + hotplug_offset); |
| 921 | writel(tmp | 0xff, mmio + hotplug_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | |
| 923 | /* mask plug/unplug ints */ |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 924 | tmp = readl(mmio + hotplug_offset); |
| 925 | writel(tmp | 0xff0000, mmio + hotplug_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 927 | /* don't initialise TBG or SLEW on 2nd generation chips */ |
| 928 | if (hp->flags & PDC_FLAG_GEN_II) |
| 929 | return; |
| 930 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | /* reduce TBG clock to 133 Mhz. */ |
| 932 | tmp = readl(mmio + PDC_TBG_MODE); |
| 933 | tmp &= ~0x30000; /* clear bit 17, 16*/ |
| 934 | tmp |= 0x10000; /* set bit 17:16 = 0:1 */ |
| 935 | writel(tmp, mmio + PDC_TBG_MODE); |
| 936 | |
| 937 | readl(mmio + PDC_TBG_MODE); /* flush */ |
| 938 | msleep(10); |
| 939 | |
| 940 | /* adjust slew rate control register. */ |
| 941 | tmp = readl(mmio + PDC_SLEW_CTL); |
| 942 | tmp &= 0xFFFFF03F; /* clear bit 11 ~ 6 */ |
| 943 | tmp |= 0x00000900; /* set bit 11-9 = 100b , bit 8-6 = 100 */ |
| 944 | writel(tmp, mmio + PDC_SLEW_CTL); |
| 945 | } |
| 946 | |
| 947 | static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) |
| 948 | { |
| 949 | static int printed_version; |
| 950 | struct ata_probe_ent *probe_ent = NULL; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 951 | struct pdc_host_priv *hp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | unsigned long base; |
Jeff Garzik | ea6ba10 | 2005-08-30 05:18:18 -0400 | [diff] [blame] | 953 | void __iomem *mmio_base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | unsigned int board_idx = (unsigned int) ent->driver_data; |
| 955 | int pci_dev_busy = 0; |
| 956 | int rc; |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 957 | u8 tmp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | |
| 959 | if (!printed_version++) |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 960 | dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 962 | rc = pci_enable_device(pdev); |
| 963 | if (rc) |
| 964 | return rc; |
| 965 | |
| 966 | rc = pci_request_regions(pdev, DRV_NAME); |
| 967 | if (rc) { |
| 968 | pci_dev_busy = 1; |
| 969 | goto err_out; |
| 970 | } |
| 971 | |
| 972 | rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); |
| 973 | if (rc) |
| 974 | goto err_out_regions; |
| 975 | rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); |
| 976 | if (rc) |
| 977 | goto err_out_regions; |
| 978 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 979 | probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | if (probe_ent == NULL) { |
| 981 | rc = -ENOMEM; |
| 982 | goto err_out_regions; |
| 983 | } |
| 984 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | probe_ent->dev = pci_dev_to_dev(pdev); |
| 986 | INIT_LIST_HEAD(&probe_ent->node); |
| 987 | |
Jeff Garzik | 374b187 | 2005-08-30 05:42:52 -0400 | [diff] [blame] | 988 | mmio_base = pci_iomap(pdev, 3, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | if (mmio_base == NULL) { |
| 990 | rc = -ENOMEM; |
| 991 | goto err_out_free_ent; |
| 992 | } |
| 993 | base = (unsigned long) mmio_base; |
| 994 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 995 | hp = kzalloc(sizeof(*hp), GFP_KERNEL); |
| 996 | if (hp == NULL) { |
| 997 | rc = -ENOMEM; |
| 998 | goto err_out_free_ent; |
| 999 | } |
| 1000 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 1001 | probe_ent->private_data = hp; |
| 1002 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1003 | probe_ent->sht = pdc_port_info[board_idx].sht; |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 1004 | probe_ent->port_flags = pdc_port_info[board_idx].flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1005 | probe_ent->pio_mask = pdc_port_info[board_idx].pio_mask; |
| 1006 | probe_ent->mwdma_mask = pdc_port_info[board_idx].mwdma_mask; |
| 1007 | probe_ent->udma_mask = pdc_port_info[board_idx].udma_mask; |
| 1008 | probe_ent->port_ops = pdc_port_info[board_idx].port_ops; |
| 1009 | |
| 1010 | probe_ent->irq = pdev->irq; |
Thomas Gleixner | 1d6f359 | 2006-07-01 19:29:42 -0700 | [diff] [blame] | 1011 | probe_ent->irq_flags = IRQF_SHARED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | probe_ent->mmio_base = mmio_base; |
| 1013 | |
| 1014 | pdc_ata_setup_port(&probe_ent->port[0], base + 0x200); |
| 1015 | pdc_ata_setup_port(&probe_ent->port[1], base + 0x280); |
| 1016 | |
| 1017 | probe_ent->port[0].scr_addr = base + 0x400; |
| 1018 | probe_ent->port[1].scr_addr = base + 0x500; |
| 1019 | |
| 1020 | /* notice 4-port boards */ |
| 1021 | switch (board_idx) { |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 1022 | case board_40518: |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 1023 | hp->flags |= PDC_FLAG_GEN_II; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 1024 | /* Fall through */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | case board_20319: |
| 1026 | probe_ent->n_ports = 4; |
| 1027 | |
| 1028 | pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); |
| 1029 | pdc_ata_setup_port(&probe_ent->port[3], base + 0x380); |
| 1030 | |
| 1031 | probe_ent->port[2].scr_addr = base + 0x600; |
| 1032 | probe_ent->port[3].scr_addr = base + 0x700; |
| 1033 | break; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 1034 | case board_2057x: |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 1035 | hp->flags |= PDC_FLAG_GEN_II; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 1036 | /* Fall through */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1037 | case board_2037x: |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 1038 | /* TX2plus boards also have a PATA port */ |
| 1039 | tmp = readb(mmio_base + PDC_FLASH_CTL+1); |
| 1040 | if (!(tmp & 0x80)) { |
| 1041 | probe_ent->n_ports = 3; |
| 1042 | pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); |
| 1043 | hp->port_flags[2] = ATA_FLAG_SLAVE_POSS; |
| 1044 | printk(KERN_INFO DRV_NAME " PATA port found\n"); |
| 1045 | } else |
| 1046 | probe_ent->n_ports = 2; |
| 1047 | hp->port_flags[0] = ATA_FLAG_SATA; |
| 1048 | hp->port_flags[1] = ATA_FLAG_SATA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | break; |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 1050 | case board_20619: |
| 1051 | probe_ent->n_ports = 4; |
| 1052 | |
| 1053 | pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); |
| 1054 | pdc_ata_setup_port(&probe_ent->port[3], base + 0x380); |
| 1055 | |
| 1056 | probe_ent->port[2].scr_addr = base + 0x600; |
| 1057 | probe_ent->port[3].scr_addr = base + 0x700; |
Jeff Garzik | 6c9e5eb | 2005-11-30 16:42:55 -0500 | [diff] [blame] | 1058 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1059 | default: |
| 1060 | BUG(); |
| 1061 | break; |
| 1062 | } |
| 1063 | |
| 1064 | pci_set_master(pdev); |
| 1065 | |
| 1066 | /* initialize adapter */ |
| 1067 | pdc_host_init(board_idx, probe_ent); |
| 1068 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 1069 | /* FIXME: Need any other frees than hp? */ |
| 1070 | if (!ata_device_add(probe_ent)) |
| 1071 | kfree(hp); |
| 1072 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1073 | kfree(probe_ent); |
| 1074 | |
| 1075 | return 0; |
| 1076 | |
| 1077 | err_out_free_ent: |
| 1078 | kfree(probe_ent); |
| 1079 | err_out_regions: |
| 1080 | pci_release_regions(pdev); |
| 1081 | err_out: |
| 1082 | if (!pci_dev_busy) |
| 1083 | pci_disable_device(pdev); |
| 1084 | return rc; |
| 1085 | } |
| 1086 | |
| 1087 | |
| 1088 | static int __init pdc_ata_init(void) |
| 1089 | { |
Pavel Roskin | b788719 | 2006-08-10 18:13:18 +0900 | [diff] [blame] | 1090 | return pci_register_driver(&pdc_ata_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | } |
| 1092 | |
| 1093 | |
| 1094 | static void __exit pdc_ata_exit(void) |
| 1095 | { |
| 1096 | pci_unregister_driver(&pdc_ata_pci_driver); |
| 1097 | } |
| 1098 | |
| 1099 | |
| 1100 | MODULE_AUTHOR("Jeff Garzik"); |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 1101 | MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1102 | MODULE_LICENSE("GPL"); |
| 1103 | MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl); |
| 1104 | MODULE_VERSION(DRV_VERSION); |
| 1105 | |
| 1106 | module_init(pdc_ata_init); |
| 1107 | module_exit(pdc_ata_exit); |