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> |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 40 | #include <linux/device.h> |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 41 | #include <scsi/scsi.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | #include <scsi/scsi_host.h> |
Jeff Garzik | 193515d | 2005-11-07 00:59:37 -0500 | [diff] [blame] | 43 | #include <scsi/scsi_cmnd.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #include <linux/libata.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #include "sata_promise.h" |
| 46 | |
| 47 | #define DRV_NAME "sata_promise" |
Jeff Garzik | 46b027c | 2006-11-14 14:46:17 -0500 | [diff] [blame] | 48 | #define DRV_VERSION "1.05" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
| 50 | |
| 51 | enum { |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 52 | PDC_MMIO_BAR = 3, |
| 53 | |
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) */ |
Mikael Pettersson | 73fd456 | 2007-01-10 09:32:34 +0100 | [diff] [blame] | 62 | PDC_ALTSTATUS = 0x38, /* Alternate-status/device-control reg (per port) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */ |
| 64 | PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | PDC_FLASH_CTL = 0x44, /* Flash control register */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */ |
| 67 | PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */ |
| 68 | PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */ |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 69 | PDC2_SATA_PLUG_CSR = 0x60, /* SATAII Plug control/status reg */ |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 70 | PDC_TBG_MODE = 0x41C, /* TBG mode (not SATAII) */ |
| 71 | PDC_SLEW_CTL = 0x470, /* slew rate control reg (not SATAII) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | |
| 73 | PDC_ERR_MASK = (1<<19) | (1<<20) | (1<<21) | (1<<22) | |
| 74 | (1<<8) | (1<<9) | (1<<10), |
| 75 | |
| 76 | board_2037x = 0, /* FastTrak S150 TX2plus */ |
| 77 | board_20319 = 1, /* FastTrak S150 TX4 */ |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 78 | board_20619 = 2, /* FastTrak TX4000 */ |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 79 | board_2057x = 3, /* SATAII150 Tx2plus */ |
| 80 | board_40518 = 4, /* SATAII150 Tx4 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 82 | PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 84 | /* Sequence counter control registers bit definitions */ |
| 85 | PDC_SEQCNTRL_INT_MASK = (1 << 5), /* Sequence Interrupt Mask */ |
| 86 | |
| 87 | /* Feature register values */ |
| 88 | PDC_FEATURE_ATAPI_PIO = 0x00, /* ATAPI data xfer by PIO */ |
| 89 | PDC_FEATURE_ATAPI_DMA = 0x01, /* ATAPI data xfer by DMA */ |
| 90 | |
| 91 | /* Device/Head register values */ |
| 92 | PDC_DEVICE_SATA = 0xE0, /* Device/Head value for SATA devices */ |
| 93 | |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 94 | /* PDC_CTLSTAT bit definitions */ |
| 95 | PDC_DMA_ENABLE = (1 << 7), |
| 96 | PDC_IRQ_DISABLE = (1 << 10), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | PDC_RESET = (1 << 11), /* HDMA reset */ |
Jeff Garzik | 5063019 | 2005-12-13 02:29:45 -0500 | [diff] [blame] | 98 | |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 99 | PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 100 | ATA_FLAG_MMIO | |
Jeff Garzik | 3d0a59c | 2005-12-13 22:28:19 -0500 | [diff] [blame] | 101 | ATA_FLAG_PIO_POLLING, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 102 | |
| 103 | /* hp->flags bits */ |
| 104 | PDC_FLAG_GEN_II = (1 << 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | }; |
| 106 | |
| 107 | |
| 108 | struct pdc_port_priv { |
| 109 | u8 *pkt; |
| 110 | dma_addr_t pkt_dma; |
| 111 | }; |
| 112 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 113 | struct pdc_host_priv { |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 114 | unsigned long flags; |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 115 | unsigned long port_flags[ATA_MAX_PORTS]; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 116 | }; |
| 117 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg); |
| 119 | static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); |
| 120 | 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] | 121 | static irqreturn_t pdc_interrupt (int irq, void *dev_instance); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | static int pdc_port_start(struct ata_port *ap); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | static void pdc_qc_prep(struct ata_queued_cmd *qc); |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 124 | static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); |
| 125 | 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] | 126 | static int pdc_check_atapi_dma(struct ata_queued_cmd *qc); |
| 127 | static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | static void pdc_irq_clear(struct ata_port *ap); |
Tejun Heo | 9a3d9eb | 2006-01-23 13:09:36 +0900 | [diff] [blame] | 129 | static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc); |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 130 | static void pdc_freeze(struct ata_port *ap); |
| 131 | static void pdc_thaw(struct ata_port *ap); |
| 132 | static void pdc_error_handler(struct ata_port *ap); |
| 133 | static void pdc_post_internal_cmd(struct ata_queued_cmd *qc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | |
Jeff Garzik | 374b187 | 2005-08-30 05:42:52 -0400 | [diff] [blame] | 135 | |
Jeff Garzik | 193515d | 2005-11-07 00:59:37 -0500 | [diff] [blame] | 136 | static struct scsi_host_template pdc_ata_sht = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | .module = THIS_MODULE, |
| 138 | .name = DRV_NAME, |
| 139 | .ioctl = ata_scsi_ioctl, |
| 140 | .queuecommand = ata_scsi_queuecmd, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | .can_queue = ATA_DEF_QUEUE, |
| 142 | .this_id = ATA_SHT_THIS_ID, |
| 143 | .sg_tablesize = LIBATA_MAX_PRD, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | .cmd_per_lun = ATA_SHT_CMD_PER_LUN, |
| 145 | .emulated = ATA_SHT_EMULATED, |
| 146 | .use_clustering = ATA_SHT_USE_CLUSTERING, |
| 147 | .proc_name = DRV_NAME, |
| 148 | .dma_boundary = ATA_DMA_BOUNDARY, |
| 149 | .slave_configure = ata_scsi_slave_config, |
Tejun Heo | ccf68c3 | 2006-05-31 18:28:09 +0900 | [diff] [blame] | 150 | .slave_destroy = ata_scsi_slave_destroy, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | .bios_param = ata_std_bios_param, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | }; |
| 153 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 154 | static const struct ata_port_operations pdc_sata_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | .port_disable = ata_port_disable, |
| 156 | .tf_load = pdc_tf_load_mmio, |
| 157 | .tf_read = ata_tf_read, |
| 158 | .check_status = ata_check_status, |
| 159 | .exec_command = pdc_exec_command_mmio, |
| 160 | .dev_select = ata_std_dev_select, |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 161 | .check_atapi_dma = pdc_check_atapi_dma, |
| 162 | |
| 163 | .qc_prep = pdc_qc_prep, |
| 164 | .qc_issue = pdc_qc_issue_prot, |
| 165 | .freeze = pdc_freeze, |
| 166 | .thaw = pdc_thaw, |
| 167 | .error_handler = pdc_error_handler, |
| 168 | .post_internal_cmd = pdc_post_internal_cmd, |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 169 | .data_xfer = ata_data_xfer, |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 170 | .irq_handler = pdc_interrupt, |
| 171 | .irq_clear = pdc_irq_clear, |
Akira Iguchi | 246ce3b | 2007-01-26 16:27:58 +0900 | [diff] [blame] | 172 | .irq_on = ata_irq_on, |
| 173 | .irq_ack = ata_irq_ack, |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 174 | |
| 175 | .scr_read = pdc_sata_scr_read, |
| 176 | .scr_write = pdc_sata_scr_write, |
| 177 | .port_start = pdc_port_start, |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 178 | }; |
| 179 | |
| 180 | /* First-generation chips need a more restrictive ->check_atapi_dma op */ |
| 181 | static const struct ata_port_operations pdc_old_sata_ops = { |
| 182 | .port_disable = ata_port_disable, |
| 183 | .tf_load = pdc_tf_load_mmio, |
| 184 | .tf_read = ata_tf_read, |
| 185 | .check_status = ata_check_status, |
| 186 | .exec_command = pdc_exec_command_mmio, |
| 187 | .dev_select = ata_std_dev_select, |
| 188 | .check_atapi_dma = pdc_old_check_atapi_dma, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 189 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | .qc_prep = pdc_qc_prep, |
| 191 | .qc_issue = pdc_qc_issue_prot, |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 192 | .freeze = pdc_freeze, |
| 193 | .thaw = pdc_thaw, |
| 194 | .error_handler = pdc_error_handler, |
| 195 | .post_internal_cmd = pdc_post_internal_cmd, |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 196 | .data_xfer = ata_data_xfer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | .irq_handler = pdc_interrupt, |
| 198 | .irq_clear = pdc_irq_clear, |
Akira Iguchi | 246ce3b | 2007-01-26 16:27:58 +0900 | [diff] [blame] | 199 | .irq_on = ata_irq_on, |
| 200 | .irq_ack = ata_irq_ack, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 201 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | .scr_read = pdc_sata_scr_read, |
| 203 | .scr_write = pdc_sata_scr_write, |
| 204 | .port_start = pdc_port_start, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | }; |
| 206 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 207 | static const struct ata_port_operations pdc_pata_ops = { |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 208 | .port_disable = ata_port_disable, |
| 209 | .tf_load = pdc_tf_load_mmio, |
| 210 | .tf_read = ata_tf_read, |
| 211 | .check_status = ata_check_status, |
| 212 | .exec_command = pdc_exec_command_mmio, |
| 213 | .dev_select = ata_std_dev_select, |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 214 | .check_atapi_dma = pdc_check_atapi_dma, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 215 | |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 216 | .qc_prep = pdc_qc_prep, |
| 217 | .qc_issue = pdc_qc_issue_prot, |
Mikael Pettersson | 5387373 | 2007-02-11 23:19:53 +0100 | [diff] [blame] | 218 | .freeze = pdc_freeze, |
| 219 | .thaw = pdc_thaw, |
| 220 | .error_handler = pdc_error_handler, |
Mikael Pettersson | 540477b | 2007-02-25 12:44:39 +0100 | [diff] [blame^] | 221 | .post_internal_cmd = pdc_post_internal_cmd, |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 222 | .data_xfer = ata_data_xfer, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 223 | .irq_handler = pdc_interrupt, |
| 224 | .irq_clear = pdc_irq_clear, |
Akira Iguchi | 246ce3b | 2007-01-26 16:27:58 +0900 | [diff] [blame] | 225 | .irq_on = ata_irq_on, |
| 226 | .irq_ack = ata_irq_ack, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 227 | |
| 228 | .port_start = pdc_port_start, |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 229 | }; |
| 230 | |
Arjan van de Ven | 98ac62d | 2005-11-28 10:06:23 +0100 | [diff] [blame] | 231 | static const struct ata_port_info pdc_port_info[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | /* board_2037x */ |
| 233 | { |
| 234 | .sht = &pdc_ata_sht, |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 235 | .flags = PDC_COMMON_FLAGS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | .pio_mask = 0x1f, /* pio0-4 */ |
| 237 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 238 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 239 | .port_ops = &pdc_old_sata_ops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | }, |
| 241 | |
| 242 | /* board_20319 */ |
| 243 | { |
| 244 | .sht = &pdc_ata_sht, |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 245 | .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | .pio_mask = 0x1f, /* pio0-4 */ |
| 247 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 248 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 249 | .port_ops = &pdc_old_sata_ops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | }, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 251 | |
| 252 | /* board_20619 */ |
| 253 | { |
| 254 | .sht = &pdc_ata_sht, |
Mikael Pettersson | 5387373 | 2007-02-11 23:19:53 +0100 | [diff] [blame] | 255 | .flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 256 | .pio_mask = 0x1f, /* pio0-4 */ |
| 257 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 258 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
Jeff Garzik | 2cba582 | 2005-08-29 05:12:30 -0400 | [diff] [blame] | 259 | .port_ops = &pdc_pata_ops, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 260 | }, |
Yusuf Iskenderoglu | 5a46fe8 | 2006-01-17 08:06:21 -0500 | [diff] [blame] | 261 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 262 | /* board_2057x */ |
| 263 | { |
| 264 | .sht = &pdc_ata_sht, |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 265 | .flags = PDC_COMMON_FLAGS, |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 266 | .pio_mask = 0x1f, /* pio0-4 */ |
| 267 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 268 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
| 269 | .port_ops = &pdc_sata_ops, |
| 270 | }, |
| 271 | |
| 272 | /* board_40518 */ |
| 273 | { |
| 274 | .sht = &pdc_ata_sht, |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 275 | .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 276 | .pio_mask = 0x1f, /* pio0-4 */ |
| 277 | .mwdma_mask = 0x07, /* mwdma0-2 */ |
| 278 | .udma_mask = 0x7f, /* udma0-6 ; FIXME */ |
| 279 | .port_ops = &pdc_sata_ops, |
| 280 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | }; |
| 282 | |
Jeff Garzik | 3b7d697 | 2005-11-10 11:04:11 -0500 | [diff] [blame] | 283 | static const struct pci_device_id pdc_ata_pci_tbl[] = { |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 284 | { PCI_VDEVICE(PROMISE, 0x3371), board_2037x }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 285 | { PCI_VDEVICE(PROMISE, 0x3373), board_2037x }, |
| 286 | { PCI_VDEVICE(PROMISE, 0x3375), board_2037x }, |
| 287 | { PCI_VDEVICE(PROMISE, 0x3376), board_2037x }, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 288 | { PCI_VDEVICE(PROMISE, 0x3570), board_2057x }, |
| 289 | { PCI_VDEVICE(PROMISE, 0x3571), board_2057x }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 290 | { PCI_VDEVICE(PROMISE, 0x3574), board_2057x }, |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 291 | { PCI_VDEVICE(PROMISE, 0x3577), board_2057x }, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 292 | { PCI_VDEVICE(PROMISE, 0x3d73), board_2057x }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 293 | { PCI_VDEVICE(PROMISE, 0x3d75), board_2057x }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 295 | { PCI_VDEVICE(PROMISE, 0x3318), board_20319 }, |
| 296 | { PCI_VDEVICE(PROMISE, 0x3319), board_20319 }, |
| 297 | { PCI_VDEVICE(PROMISE, 0x3515), board_20319 }, |
| 298 | { PCI_VDEVICE(PROMISE, 0x3519), board_20319 }, |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 299 | { PCI_VDEVICE(PROMISE, 0x3d17), board_40518 }, |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 300 | { PCI_VDEVICE(PROMISE, 0x3d18), board_40518 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | |
Jeff Garzik | 54bb3a94 | 2006-09-27 22:20:11 -0400 | [diff] [blame] | 302 | { PCI_VDEVICE(PROMISE, 0x6629), board_20619 }, |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 303 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | { } /* terminate list */ |
| 305 | }; |
| 306 | |
| 307 | |
| 308 | static struct pci_driver pdc_ata_pci_driver = { |
| 309 | .name = DRV_NAME, |
| 310 | .id_table = pdc_ata_pci_tbl, |
| 311 | .probe = pdc_ata_init_one, |
| 312 | .remove = ata_pci_remove_one, |
| 313 | }; |
| 314 | |
| 315 | |
| 316 | static int pdc_port_start(struct ata_port *ap) |
| 317 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 318 | struct device *dev = ap->host->dev; |
Mikael Pettersson | 599b720 | 2006-12-01 10:55:58 +0100 | [diff] [blame] | 319 | struct pdc_host_priv *hp = ap->host->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | struct pdc_port_priv *pp; |
| 321 | int rc; |
| 322 | |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 323 | /* fix up port flags and cable type for SATA+PATA chips */ |
| 324 | ap->flags |= hp->port_flags[ap->port_no]; |
| 325 | if (ap->flags & ATA_FLAG_SATA) |
| 326 | ap->cbl = ATA_CBL_SATA; |
| 327 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | rc = ata_port_start(ap); |
| 329 | if (rc) |
| 330 | return rc; |
| 331 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 332 | pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); |
| 333 | if (!pp) |
| 334 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 336 | pp->pkt = dmam_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL); |
| 337 | if (!pp->pkt) |
| 338 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | |
| 340 | ap->private_data = pp; |
| 341 | |
Mikael Pettersson | 599b720 | 2006-12-01 10:55:58 +0100 | [diff] [blame] | 342 | /* fix up PHYMODE4 align timing */ |
| 343 | if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) { |
| 344 | void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr; |
| 345 | unsigned int tmp; |
| 346 | |
| 347 | tmp = readl(mmio + 0x014); |
| 348 | tmp = (tmp & ~3) | 1; /* set bits 1:0 = 0:1 */ |
| 349 | writel(tmp, mmio + 0x014); |
| 350 | } |
| 351 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | } |
| 354 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | static void pdc_reset_port(struct ata_port *ap) |
| 356 | { |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 357 | void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | unsigned int i; |
| 359 | u32 tmp; |
| 360 | |
| 361 | for (i = 11; i > 0; i--) { |
| 362 | tmp = readl(mmio); |
| 363 | if (tmp & PDC_RESET) |
| 364 | break; |
| 365 | |
| 366 | udelay(100); |
| 367 | |
| 368 | tmp |= PDC_RESET; |
| 369 | writel(tmp, mmio); |
| 370 | } |
| 371 | |
| 372 | tmp &= ~PDC_RESET; |
| 373 | writel(tmp, mmio); |
| 374 | readl(mmio); /* flush */ |
| 375 | } |
| 376 | |
Jeff Garzik | d3fb4e8 | 2006-05-24 01:43:25 -0400 | [diff] [blame] | 377 | static void pdc_pata_cbl_detect(struct ata_port *ap) |
| 378 | { |
| 379 | u8 tmp; |
Al Viro | 03dc550 | 2006-10-10 22:48:07 +0100 | [diff] [blame] | 380 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03; |
Jeff Garzik | d3fb4e8 | 2006-05-24 01:43:25 -0400 | [diff] [blame] | 381 | |
| 382 | tmp = readb(mmio); |
| 383 | |
| 384 | if (tmp & 0x01) { |
| 385 | ap->cbl = ATA_CBL_PATA40; |
| 386 | ap->udma_mask &= ATA_UDMA_MASK_40C; |
| 387 | } else |
| 388 | ap->cbl = ATA_CBL_PATA80; |
| 389 | } |
| 390 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) |
| 392 | { |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 393 | if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | return 0xffffffffU; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 395 | return readl(ap->ioaddr.scr_addr + (sc_reg * 4)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | |
| 399 | static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, |
| 400 | u32 val) |
| 401 | { |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 402 | if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | return; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 404 | writel(val, ap->ioaddr.scr_addr + (sc_reg * 4)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | } |
| 406 | |
Mikael Pettersson | fba6edb | 2007-01-13 21:32:30 +0100 | [diff] [blame] | 407 | static void pdc_atapi_pkt(struct ata_queued_cmd *qc) |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 408 | { |
Mikael Pettersson | 4113bb6 | 2007-01-13 21:31:05 +0100 | [diff] [blame] | 409 | struct ata_port *ap = qc->ap; |
| 410 | dma_addr_t sg_table = ap->prd_dma; |
| 411 | unsigned int cdb_len = qc->dev->cdb_len; |
| 412 | u8 *cdb = qc->cdb; |
| 413 | struct pdc_port_priv *pp = ap->private_data; |
| 414 | u8 *buf = pp->pkt; |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 415 | u32 *buf32 = (u32 *) buf; |
Mikael Pettersson | 4113bb6 | 2007-01-13 21:31:05 +0100 | [diff] [blame] | 416 | unsigned int dev_sel, feature, nbytes; |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 417 | |
| 418 | /* set control bits (byte 0), zero delay seq id (byte 3), |
| 419 | * and seq id (byte 2) |
| 420 | */ |
Mikael Pettersson | fba6edb | 2007-01-13 21:32:30 +0100 | [diff] [blame] | 421 | switch (qc->tf.protocol) { |
| 422 | case ATA_PROT_ATAPI_DMA: |
| 423 | if (!(qc->tf.flags & ATA_TFLAG_WRITE)) |
| 424 | buf32[0] = cpu_to_le32(PDC_PKT_READ); |
| 425 | else |
| 426 | buf32[0] = 0; |
| 427 | break; |
| 428 | case ATA_PROT_ATAPI_NODATA: |
| 429 | buf32[0] = cpu_to_le32(PDC_PKT_NODATA); |
| 430 | break; |
| 431 | default: |
| 432 | BUG(); |
| 433 | break; |
| 434 | } |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 435 | buf32[1] = cpu_to_le32(sg_table); /* S/G table addr */ |
| 436 | buf32[2] = 0; /* no next-packet */ |
| 437 | |
Mikael Pettersson | 4113bb6 | 2007-01-13 21:31:05 +0100 | [diff] [blame] | 438 | /* select drive */ |
| 439 | if (sata_scr_valid(ap)) { |
| 440 | dev_sel = PDC_DEVICE_SATA; |
| 441 | } else { |
| 442 | dev_sel = ATA_DEVICE_OBS; |
| 443 | if (qc->dev->devno != 0) |
| 444 | dev_sel |= ATA_DEV1; |
| 445 | } |
| 446 | buf[12] = (1 << 5) | ATA_REG_DEVICE; |
| 447 | buf[13] = dev_sel; |
| 448 | buf[14] = (1 << 5) | ATA_REG_DEVICE | PDC_PKT_CLEAR_BSY; |
| 449 | buf[15] = dev_sel; /* once more, waiting for BSY to clear */ |
| 450 | |
| 451 | buf[16] = (1 << 5) | ATA_REG_NSECT; |
| 452 | buf[17] = 0x00; |
| 453 | buf[18] = (1 << 5) | ATA_REG_LBAL; |
| 454 | buf[19] = 0x00; |
| 455 | |
| 456 | /* set feature and byte counter registers */ |
| 457 | if (qc->tf.protocol != ATA_PROT_ATAPI_DMA) { |
| 458 | feature = PDC_FEATURE_ATAPI_PIO; |
| 459 | /* set byte counter register to real transfer byte count */ |
| 460 | nbytes = qc->nbytes; |
Mikael Pettersson | 4113bb6 | 2007-01-13 21:31:05 +0100 | [diff] [blame] | 461 | if (nbytes > 0xffff) |
| 462 | nbytes = 0xffff; |
| 463 | } else { |
| 464 | feature = PDC_FEATURE_ATAPI_DMA; |
| 465 | /* set byte counter register to 0 */ |
| 466 | nbytes = 0; |
| 467 | } |
| 468 | buf[20] = (1 << 5) | ATA_REG_FEATURE; |
| 469 | buf[21] = feature; |
| 470 | buf[22] = (1 << 5) | ATA_REG_BYTEL; |
| 471 | buf[23] = nbytes & 0xFF; |
| 472 | buf[24] = (1 << 5) | ATA_REG_BYTEH; |
| 473 | buf[25] = (nbytes >> 8) & 0xFF; |
| 474 | |
| 475 | /* send ATAPI packet command 0xA0 */ |
| 476 | buf[26] = (1 << 5) | ATA_REG_CMD; |
| 477 | buf[27] = ATA_CMD_PACKET; |
| 478 | |
| 479 | /* select drive and check DRQ */ |
| 480 | buf[28] = (1 << 5) | ATA_REG_DEVICE | PDC_PKT_WAIT_DRDY; |
| 481 | buf[29] = dev_sel; |
| 482 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 483 | /* we can represent cdb lengths 2/4/6/8/10/12/14/16 */ |
| 484 | BUG_ON(cdb_len & ~0x1E); |
| 485 | |
Mikael Pettersson | 4113bb6 | 2007-01-13 21:31:05 +0100 | [diff] [blame] | 486 | /* append the CDB as the final part */ |
| 487 | buf[30] = (((cdb_len >> 1) & 7) << 5) | ATA_REG_DATA | PDC_LAST_REG; |
| 488 | memcpy(buf+31, cdb, cdb_len); |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 489 | } |
| 490 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | static void pdc_qc_prep(struct ata_queued_cmd *qc) |
| 492 | { |
| 493 | struct pdc_port_priv *pp = qc->ap->private_data; |
| 494 | unsigned int i; |
| 495 | |
| 496 | VPRINTK("ENTER\n"); |
| 497 | |
| 498 | switch (qc->tf.protocol) { |
| 499 | case ATA_PROT_DMA: |
| 500 | ata_qc_prep(qc); |
| 501 | /* fall through */ |
| 502 | |
| 503 | case ATA_PROT_NODATA: |
| 504 | i = pdc_pkt_header(&qc->tf, qc->ap->prd_dma, |
| 505 | qc->dev->devno, pp->pkt); |
| 506 | |
| 507 | if (qc->tf.flags & ATA_TFLAG_LBA48) |
| 508 | i = pdc_prep_lba48(&qc->tf, pp->pkt, i); |
| 509 | else |
| 510 | i = pdc_prep_lba28(&qc->tf, pp->pkt, i); |
| 511 | |
| 512 | pdc_pkt_footer(&qc->tf, pp->pkt, i); |
| 513 | break; |
| 514 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 515 | case ATA_PROT_ATAPI: |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 516 | ata_qc_prep(qc); |
| 517 | break; |
| 518 | |
| 519 | case ATA_PROT_ATAPI_DMA: |
| 520 | ata_qc_prep(qc); |
Mikael Pettersson | fba6edb | 2007-01-13 21:32:30 +0100 | [diff] [blame] | 521 | /*FALLTHROUGH*/ |
| 522 | case ATA_PROT_ATAPI_NODATA: |
| 523 | pdc_atapi_pkt(qc); |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 524 | break; |
| 525 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | default: |
| 527 | break; |
| 528 | } |
| 529 | } |
| 530 | |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 531 | static void pdc_freeze(struct ata_port *ap) |
| 532 | { |
| 533 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr; |
| 534 | u32 tmp; |
| 535 | |
| 536 | tmp = readl(mmio + PDC_CTLSTAT); |
| 537 | tmp |= PDC_IRQ_DISABLE; |
| 538 | tmp &= ~PDC_DMA_ENABLE; |
| 539 | writel(tmp, mmio + PDC_CTLSTAT); |
| 540 | readl(mmio + PDC_CTLSTAT); /* flush */ |
| 541 | } |
| 542 | |
| 543 | static void pdc_thaw(struct ata_port *ap) |
| 544 | { |
| 545 | void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr; |
| 546 | u32 tmp; |
| 547 | |
| 548 | /* clear IRQ */ |
| 549 | readl(mmio + PDC_INT_SEQMASK); |
| 550 | |
| 551 | /* turn IRQ back on */ |
| 552 | tmp = readl(mmio + PDC_CTLSTAT); |
| 553 | tmp &= ~PDC_IRQ_DISABLE; |
| 554 | writel(tmp, mmio + PDC_CTLSTAT); |
| 555 | readl(mmio + PDC_CTLSTAT); /* flush */ |
| 556 | } |
| 557 | |
Mikael Pettersson | 2fb8b49 | 2007-02-07 22:29:56 +0100 | [diff] [blame] | 558 | static int pdc_pre_reset(struct ata_port *ap) |
| 559 | { |
| 560 | if (!sata_scr_valid(ap)) |
| 561 | pdc_pata_cbl_detect(ap); |
| 562 | return ata_std_prereset(ap); |
| 563 | } |
| 564 | |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 565 | static void pdc_error_handler(struct ata_port *ap) |
| 566 | { |
| 567 | ata_reset_fn_t hardreset; |
| 568 | |
| 569 | if (!(ap->pflags & ATA_PFLAG_FROZEN)) |
| 570 | pdc_reset_port(ap); |
| 571 | |
| 572 | hardreset = NULL; |
| 573 | if (sata_scr_valid(ap)) |
| 574 | hardreset = sata_std_hardreset; |
| 575 | |
| 576 | /* perform recovery */ |
Mikael Pettersson | 2fb8b49 | 2007-02-07 22:29:56 +0100 | [diff] [blame] | 577 | ata_do_eh(ap, pdc_pre_reset, ata_std_softreset, hardreset, |
Mikael Pettersson | 25b93d8 | 2006-12-07 00:06:51 +0100 | [diff] [blame] | 578 | ata_std_postreset); |
| 579 | } |
| 580 | |
| 581 | static void pdc_post_internal_cmd(struct ata_queued_cmd *qc) |
| 582 | { |
| 583 | struct ata_port *ap = qc->ap; |
| 584 | |
| 585 | if (qc->flags & ATA_QCFLAG_FAILED) |
| 586 | qc->err_mask |= AC_ERR_OTHER; |
| 587 | |
| 588 | /* make DMA engine forget about the failed command */ |
| 589 | if (qc->err_mask) |
| 590 | pdc_reset_port(ap); |
| 591 | } |
| 592 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | static inline unsigned int pdc_host_intr( struct ata_port *ap, |
| 594 | struct ata_queued_cmd *qc) |
| 595 | { |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 596 | unsigned int handled = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | u32 tmp; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 598 | void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | |
| 600 | tmp = readl(mmio); |
| 601 | if (tmp & PDC_ERR_MASK) { |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 602 | qc->err_mask |= AC_ERR_DEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | pdc_reset_port(ap); |
| 604 | } |
| 605 | |
| 606 | switch (qc->tf.protocol) { |
| 607 | case ATA_PROT_DMA: |
| 608 | case ATA_PROT_NODATA: |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 609 | case ATA_PROT_ATAPI_DMA: |
Mikael Pettersson | fba6edb | 2007-01-13 21:32:30 +0100 | [diff] [blame] | 610 | case ATA_PROT_ATAPI_NODATA: |
Albert Lee | a22e2eb | 2005-12-05 15:38:02 +0800 | [diff] [blame] | 611 | qc->err_mask |= ac_err_mask(ata_wait_idle(ap)); |
| 612 | ata_qc_complete(qc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | handled = 1; |
| 614 | break; |
| 615 | |
| 616 | default: |
Albert Lee | ee500aa | 2005-09-27 17:34:38 +0800 | [diff] [blame] | 617 | ap->stats.idle_irq++; |
| 618 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | } |
| 620 | |
Albert Lee | ee500aa | 2005-09-27 17:34:38 +0800 | [diff] [blame] | 621 | return handled; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | } |
| 623 | |
| 624 | static void pdc_irq_clear(struct ata_port *ap) |
| 625 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 626 | struct ata_host *host = ap->host; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 627 | void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | |
| 629 | readl(mmio + PDC_INT_SEQMASK); |
| 630 | } |
| 631 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 632 | static irqreturn_t pdc_interrupt (int irq, void *dev_instance) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | { |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 634 | struct ata_host *host = dev_instance; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | struct ata_port *ap; |
| 636 | u32 mask = 0; |
| 637 | unsigned int i, tmp; |
| 638 | unsigned int handled = 0; |
Jeff Garzik | ea6ba10 | 2005-08-30 05:18:18 -0400 | [diff] [blame] | 639 | void __iomem *mmio_base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | |
| 641 | VPRINTK("ENTER\n"); |
| 642 | |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 643 | if (!host || !host->iomap[PDC_MMIO_BAR]) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | VPRINTK("QUICK EXIT\n"); |
| 645 | return IRQ_NONE; |
| 646 | } |
| 647 | |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 648 | mmio_base = host->iomap[PDC_MMIO_BAR]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | |
| 650 | /* reading should also clear interrupts */ |
| 651 | mask = readl(mmio_base + PDC_INT_SEQMASK); |
| 652 | |
| 653 | if (mask == 0xffffffff) { |
| 654 | VPRINTK("QUICK EXIT 2\n"); |
| 655 | return IRQ_NONE; |
| 656 | } |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 657 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 658 | spin_lock(&host->lock); |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 659 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | mask &= 0xffff; /* only 16 tags possible */ |
| 661 | if (!mask) { |
| 662 | VPRINTK("QUICK EXIT 3\n"); |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 663 | goto done_irq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | } |
| 665 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | writel(mask, mmio_base + PDC_INT_SEQMASK); |
| 667 | |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 668 | for (i = 0; i < host->n_ports; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | VPRINTK("port %u\n", i); |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 670 | ap = host->ports[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | tmp = mask & (1 << (i + 1)); |
Tejun Heo | c138950 | 2005-08-22 14:59:24 +0900 | [diff] [blame] | 672 | if (tmp && ap && |
Jeff Garzik | 029f546 | 2006-04-02 10:30:40 -0400 | [diff] [blame] | 673 | !(ap->flags & ATA_FLAG_DISABLED)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 674 | struct ata_queued_cmd *qc; |
| 675 | |
| 676 | qc = ata_qc_from_tag(ap, ap->active_tag); |
Albert Lee | e50362e | 2005-09-27 17:39:50 +0800 | [diff] [blame] | 677 | if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | handled += pdc_host_intr(ap, qc); |
| 679 | } |
| 680 | } |
| 681 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | VPRINTK("EXIT\n"); |
| 683 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 684 | done_irq: |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 685 | spin_unlock(&host->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | return IRQ_RETVAL(handled); |
| 687 | } |
| 688 | |
| 689 | static inline void pdc_packet_start(struct ata_queued_cmd *qc) |
| 690 | { |
| 691 | struct ata_port *ap = qc->ap; |
| 692 | struct pdc_port_priv *pp = ap->private_data; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 693 | void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | unsigned int port_no = ap->port_no; |
| 695 | u8 seq = (u8) (port_no + 1); |
| 696 | |
| 697 | VPRINTK("ENTER, ap %p\n", ap); |
| 698 | |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 699 | writel(0x00000001, mmio + (seq * 4)); |
| 700 | readl(mmio + (seq * 4)); /* flush */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | |
| 702 | pp->pkt[2] = seq; |
| 703 | wmb(); /* flush PRD, pkt writes */ |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 704 | writel(pp->pkt_dma, ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); |
| 705 | readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | } |
| 707 | |
Tejun Heo | 9a3d9eb | 2006-01-23 13:09:36 +0900 | [diff] [blame] | 708 | static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | { |
| 710 | switch (qc->tf.protocol) { |
Mikael Pettersson | fba6edb | 2007-01-13 21:32:30 +0100 | [diff] [blame] | 711 | case ATA_PROT_ATAPI_NODATA: |
| 712 | if (qc->dev->flags & ATA_DFLAG_CDB_INTR) |
| 713 | break; |
| 714 | /*FALLTHROUGH*/ |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 715 | case ATA_PROT_ATAPI_DMA: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | case ATA_PROT_DMA: |
| 717 | case ATA_PROT_NODATA: |
| 718 | pdc_packet_start(qc); |
| 719 | return 0; |
| 720 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | default: |
| 722 | break; |
| 723 | } |
| 724 | |
| 725 | return ata_qc_issue_prot(qc); |
| 726 | } |
| 727 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 728 | 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] | 729 | { |
| 730 | WARN_ON (tf->protocol == ATA_PROT_DMA || |
| 731 | tf->protocol == ATA_PROT_NODATA); |
| 732 | ata_tf_load(ap, tf); |
| 733 | } |
| 734 | |
| 735 | |
Jeff Garzik | 057ace5 | 2005-10-22 14:27:05 -0400 | [diff] [blame] | 736 | 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] | 737 | { |
| 738 | WARN_ON (tf->protocol == ATA_PROT_DMA || |
| 739 | tf->protocol == ATA_PROT_NODATA); |
| 740 | ata_exec_command(ap, tf); |
| 741 | } |
| 742 | |
Mikael Pettersson | 9500618 | 2007-01-09 10:51:46 +0100 | [diff] [blame] | 743 | static int pdc_check_atapi_dma(struct ata_queued_cmd *qc) |
| 744 | { |
| 745 | u8 *scsicmd = qc->scsicmd->cmnd; |
| 746 | int pio = 1; /* atapi dma off by default */ |
| 747 | |
| 748 | /* Whitelist commands that may use DMA. */ |
| 749 | switch (scsicmd[0]) { |
| 750 | case WRITE_12: |
| 751 | case WRITE_10: |
| 752 | case WRITE_6: |
| 753 | case READ_12: |
| 754 | case READ_10: |
| 755 | case READ_6: |
| 756 | case 0xad: /* READ_DVD_STRUCTURE */ |
| 757 | case 0xbe: /* READ_CD */ |
| 758 | pio = 0; |
| 759 | } |
| 760 | /* -45150 (FFFF4FA2) to -1 (FFFFFFFF) shall use PIO mode */ |
| 761 | if (scsicmd[0] == WRITE_10) { |
| 762 | unsigned int lba; |
| 763 | lba = (scsicmd[2] << 24) | (scsicmd[3] << 16) | (scsicmd[4] << 8) | scsicmd[5]; |
| 764 | if (lba >= 0xFFFF4FA2) |
| 765 | pio = 1; |
| 766 | } |
| 767 | return pio; |
| 768 | } |
| 769 | |
| 770 | static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc) |
| 771 | { |
| 772 | struct ata_port *ap = qc->ap; |
| 773 | |
| 774 | /* First generation chips cannot use ATAPI DMA on SATA ports */ |
| 775 | if (sata_scr_valid(ap)) |
| 776 | return 1; |
| 777 | return pdc_check_atapi_dma(qc); |
| 778 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 780 | static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | { |
| 782 | port->cmd_addr = base; |
| 783 | port->data_addr = base; |
| 784 | port->feature_addr = |
| 785 | port->error_addr = base + 0x4; |
| 786 | port->nsect_addr = base + 0x8; |
| 787 | port->lbal_addr = base + 0xc; |
| 788 | port->lbam_addr = base + 0x10; |
| 789 | port->lbah_addr = base + 0x14; |
| 790 | port->device_addr = base + 0x18; |
| 791 | port->command_addr = |
| 792 | port->status_addr = base + 0x1c; |
| 793 | port->altstatus_addr = |
| 794 | port->ctl_addr = base + 0x38; |
| 795 | } |
| 796 | |
| 797 | |
| 798 | static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe) |
| 799 | { |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 800 | void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 801 | struct pdc_host_priv *hp = pe->private_data; |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 802 | int hotplug_offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | u32 tmp; |
| 804 | |
Mikael Pettersson | d324d462 | 2006-12-06 09:55:43 +0100 | [diff] [blame] | 805 | if (hp->flags & PDC_FLAG_GEN_II) |
| 806 | hotplug_offset = PDC2_SATA_PLUG_CSR; |
| 807 | else |
| 808 | hotplug_offset = PDC_SATA_PLUG_CSR; |
| 809 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | /* |
| 811 | * Except for the hotplug stuff, this is voodoo from the |
| 812 | * Promise driver. Label this entire section |
| 813 | * "TODO: figure out why we do this" |
| 814 | */ |
| 815 | |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 816 | /* enable BMR_BURST, maybe change FIFO_SHD to 8 dwords */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | tmp = readl(mmio + PDC_FLASH_CTL); |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 818 | tmp |= 0x02000; /* bit 13 (enable bmr burst) */ |
| 819 | if (!(hp->flags & PDC_FLAG_GEN_II)) |
| 820 | tmp |= 0x10000; /* bit 16 (fifo threshold at 8 dw) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | writel(tmp, mmio + PDC_FLASH_CTL); |
| 822 | |
| 823 | /* clear plug/unplug flags for all ports */ |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 824 | tmp = readl(mmio + hotplug_offset); |
| 825 | writel(tmp | 0xff, mmio + hotplug_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | |
| 827 | /* mask plug/unplug ints */ |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 828 | tmp = readl(mmio + hotplug_offset); |
| 829 | writel(tmp | 0xff0000, mmio + hotplug_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 831 | /* don't initialise TBG or SLEW on 2nd generation chips */ |
| 832 | if (hp->flags & PDC_FLAG_GEN_II) |
| 833 | return; |
| 834 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | /* reduce TBG clock to 133 Mhz. */ |
| 836 | tmp = readl(mmio + PDC_TBG_MODE); |
| 837 | tmp &= ~0x30000; /* clear bit 17, 16*/ |
| 838 | tmp |= 0x10000; /* set bit 17:16 = 0:1 */ |
| 839 | writel(tmp, mmio + PDC_TBG_MODE); |
| 840 | |
| 841 | readl(mmio + PDC_TBG_MODE); /* flush */ |
| 842 | msleep(10); |
| 843 | |
| 844 | /* adjust slew rate control register. */ |
| 845 | tmp = readl(mmio + PDC_SLEW_CTL); |
| 846 | tmp &= 0xFFFFF03F; /* clear bit 11 ~ 6 */ |
| 847 | tmp |= 0x00000900; /* set bit 11-9 = 100b , bit 8-6 = 100 */ |
| 848 | writel(tmp, mmio + PDC_SLEW_CTL); |
| 849 | } |
| 850 | |
| 851 | static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) |
| 852 | { |
| 853 | static int printed_version; |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 854 | struct ata_probe_ent *probe_ent; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 855 | struct pdc_host_priv *hp; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 856 | void __iomem *base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | unsigned int board_idx = (unsigned int) ent->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | int rc; |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 859 | u8 tmp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 860 | |
| 861 | if (!printed_version++) |
Jeff Garzik | a9524a7 | 2005-10-30 14:39:11 -0500 | [diff] [blame] | 862 | dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 864 | rc = pcim_enable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 865 | if (rc) |
| 866 | return rc; |
| 867 | |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 868 | rc = pcim_iomap_regions(pdev, 1 << PDC_MMIO_BAR, DRV_NAME); |
| 869 | if (rc == -EBUSY) |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 870 | pcim_pin_device(pdev); |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 871 | if (rc) |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 872 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | |
| 874 | rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); |
| 875 | if (rc) |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 876 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); |
| 878 | if (rc) |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 879 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 881 | probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); |
| 882 | if (probe_ent == NULL) |
| 883 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 885 | probe_ent->dev = pci_dev_to_dev(pdev); |
| 886 | INIT_LIST_HEAD(&probe_ent->node); |
| 887 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 888 | hp = devm_kzalloc(&pdev->dev, sizeof(*hp), GFP_KERNEL); |
| 889 | if (hp == NULL) |
| 890 | return -ENOMEM; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 891 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 892 | probe_ent->private_data = hp; |
| 893 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | probe_ent->sht = pdc_port_info[board_idx].sht; |
Jeff Garzik | cca3974 | 2006-08-24 03:19:22 -0400 | [diff] [blame] | 895 | probe_ent->port_flags = pdc_port_info[board_idx].flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 896 | probe_ent->pio_mask = pdc_port_info[board_idx].pio_mask; |
| 897 | probe_ent->mwdma_mask = pdc_port_info[board_idx].mwdma_mask; |
| 898 | probe_ent->udma_mask = pdc_port_info[board_idx].udma_mask; |
| 899 | probe_ent->port_ops = pdc_port_info[board_idx].port_ops; |
| 900 | |
| 901 | probe_ent->irq = pdev->irq; |
Thomas Gleixner | 1d6f359 | 2006-07-01 19:29:42 -0700 | [diff] [blame] | 902 | probe_ent->irq_flags = IRQF_SHARED; |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 903 | probe_ent->iomap = pcim_iomap_table(pdev); |
| 904 | |
| 905 | base = probe_ent->iomap[PDC_MMIO_BAR]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | |
| 907 | pdc_ata_setup_port(&probe_ent->port[0], base + 0x200); |
| 908 | pdc_ata_setup_port(&probe_ent->port[1], base + 0x280); |
| 909 | |
| 910 | probe_ent->port[0].scr_addr = base + 0x400; |
| 911 | probe_ent->port[1].scr_addr = base + 0x500; |
| 912 | |
| 913 | /* notice 4-port boards */ |
| 914 | switch (board_idx) { |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 915 | case board_40518: |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 916 | hp->flags |= PDC_FLAG_GEN_II; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 917 | /* Fall through */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | case board_20319: |
| 919 | probe_ent->n_ports = 4; |
| 920 | |
| 921 | pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); |
| 922 | pdc_ata_setup_port(&probe_ent->port[3], base + 0x380); |
| 923 | |
| 924 | probe_ent->port[2].scr_addr = base + 0x600; |
| 925 | probe_ent->port[3].scr_addr = base + 0x700; |
| 926 | break; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 927 | case board_2057x: |
Mikael Pettersson | b2d1eee | 2006-11-22 22:00:15 +0100 | [diff] [blame] | 928 | hp->flags |= PDC_FLAG_GEN_II; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 929 | /* Fall through */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 930 | case board_2037x: |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 931 | /* TX2plus boards also have a PATA port */ |
Tejun Heo | 0d5ff56 | 2007-02-01 15:06:36 +0900 | [diff] [blame] | 932 | tmp = readb(base + PDC_FLASH_CTL+1); |
Mikael Pettersson | 870ae33 | 2007-01-09 10:50:27 +0100 | [diff] [blame] | 933 | if (!(tmp & 0x80)) { |
| 934 | probe_ent->n_ports = 3; |
| 935 | pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); |
| 936 | hp->port_flags[2] = ATA_FLAG_SLAVE_POSS; |
| 937 | printk(KERN_INFO DRV_NAME " PATA port found\n"); |
| 938 | } else |
| 939 | probe_ent->n_ports = 2; |
| 940 | hp->port_flags[0] = ATA_FLAG_SATA; |
| 941 | hp->port_flags[1] = ATA_FLAG_SATA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 942 | break; |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 943 | case board_20619: |
| 944 | probe_ent->n_ports = 4; |
| 945 | |
| 946 | pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); |
| 947 | pdc_ata_setup_port(&probe_ent->port[3], base + 0x380); |
| 948 | |
| 949 | probe_ent->port[2].scr_addr = base + 0x600; |
| 950 | probe_ent->port[3].scr_addr = base + 0x700; |
Jeff Garzik | 6c9e5eb | 2005-11-30 16:42:55 -0500 | [diff] [blame] | 951 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | default: |
| 953 | BUG(); |
| 954 | break; |
| 955 | } |
| 956 | |
| 957 | pci_set_master(pdev); |
| 958 | |
| 959 | /* initialize adapter */ |
| 960 | pdc_host_init(board_idx, probe_ent); |
| 961 | |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 962 | if (!ata_device_add(probe_ent)) |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 963 | return -ENODEV; |
Luke Kosewski | 6340f01 | 2006-01-28 12:39:29 -0500 | [diff] [blame] | 964 | |
Tejun Heo | 24dc5f3 | 2007-01-20 16:00:28 +0900 | [diff] [blame] | 965 | devm_kfree(&pdev->dev, probe_ent); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | } |
| 968 | |
| 969 | |
| 970 | static int __init pdc_ata_init(void) |
| 971 | { |
Pavel Roskin | b788719 | 2006-08-10 18:13:18 +0900 | [diff] [blame] | 972 | return pci_register_driver(&pdc_ata_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 973 | } |
| 974 | |
| 975 | |
| 976 | static void __exit pdc_ata_exit(void) |
| 977 | { |
| 978 | pci_unregister_driver(&pdc_ata_pci_driver); |
| 979 | } |
| 980 | |
| 981 | |
| 982 | MODULE_AUTHOR("Jeff Garzik"); |
Tobias Lorenz | f497ba7 | 2005-05-12 15:51:01 -0400 | [diff] [blame] | 983 | MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | MODULE_LICENSE("GPL"); |
| 985 | MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl); |
| 986 | MODULE_VERSION(DRV_VERSION); |
| 987 | |
| 988 | module_init(pdc_ata_init); |
| 989 | module_exit(pdc_ata_exit); |