diff options
| -rw-r--r-- | drivers/ata/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/ata/Makefile | 1 | ||||
| -rw-r--r-- | drivers/ata/pata_legacy.c | 15 | ||||
| -rw-r--r-- | drivers/ata/pata_winbond.c | 282 |
4 files changed, 14 insertions, 285 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 65e3e2708371..11ec911016c6 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig | |||
| @@ -828,6 +828,7 @@ config PATA_SAMSUNG_CF | |||
| 828 | config PATA_WINBOND_VLB | 828 | config PATA_WINBOND_VLB |
| 829 | tristate "Winbond W83759A VLB PATA support (Experimental)" | 829 | tristate "Winbond W83759A VLB PATA support (Experimental)" |
| 830 | depends on ISA && EXPERIMENTAL | 830 | depends on ISA && EXPERIMENTAL |
| 831 | select PATA_LEGACY | ||
| 831 | help | 832 | help |
| 832 | Support for the Winbond W83759A controller on Vesa Local Bus | 833 | Support for the Winbond W83759A controller on Vesa Local Bus |
| 833 | systems. | 834 | systems. |
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 158eaa961b1e..d5df04a395ca 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile | |||
| @@ -89,7 +89,6 @@ obj-$(CONFIG_PATA_QDI) += pata_qdi.o | |||
| 89 | obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o | 89 | obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o |
| 90 | obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o | 90 | obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o |
| 91 | obj-$(CONFIG_PATA_SAMSUNG_CF) += pata_samsung_cf.o | 91 | obj-$(CONFIG_PATA_SAMSUNG_CF) += pata_samsung_cf.o |
| 92 | obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o | ||
| 93 | 92 | ||
| 94 | obj-$(CONFIG_PATA_PXA) += pata_pxa.o | 93 | obj-$(CONFIG_PATA_PXA) += pata_pxa.o |
| 95 | 94 | ||
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 9df1ff7e1eaa..eaf194138f21 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c | |||
| @@ -44,6 +44,9 @@ | |||
| 44 | * Specific support is included for the ht6560a/ht6560b/opti82c611a/ | 44 | * Specific support is included for the ht6560a/ht6560b/opti82c611a/ |
| 45 | * opti82c465mv/promise 20230c/20630/qdi65x0/winbond83759A | 45 | * opti82c465mv/promise 20230c/20630/qdi65x0/winbond83759A |
| 46 | * | 46 | * |
| 47 | * Support for the Winbond 83759A when operating in advanced mode. | ||
| 48 | * Multichip mode is not currently supported. | ||
| 49 | * | ||
| 47 | * Use the autospeed and pio_mask options with: | 50 | * Use the autospeed and pio_mask options with: |
| 48 | * Appian ADI/2 aka CLPD7220 or AIC25VL01. | 51 | * Appian ADI/2 aka CLPD7220 or AIC25VL01. |
| 49 | * Use the jumpers, autospeed and set pio_mask to the mode on the jumpers with | 52 | * Use the jumpers, autospeed and set pio_mask to the mode on the jumpers with |
| @@ -135,12 +138,18 @@ static int ht6560b; /* HT 6560A on primary 1, second 2, both 3 */ | |||
| 135 | static int opti82c611a; /* Opti82c611A on primary 1, sec 2, both 3 */ | 138 | static int opti82c611a; /* Opti82c611A on primary 1, sec 2, both 3 */ |
| 136 | static int opti82c46x; /* Opti 82c465MV present(pri/sec autodetect) */ | 139 | static int opti82c46x; /* Opti 82c465MV present(pri/sec autodetect) */ |
| 137 | static int qdi; /* Set to probe QDI controllers */ | 140 | static int qdi; /* Set to probe QDI controllers */ |
| 138 | static int winbond; /* Set to probe Winbond controllers, | ||
| 139 | give I/O port if non standard */ | ||
| 140 | static int autospeed; /* Chip present which snoops speed changes */ | 141 | static int autospeed; /* Chip present which snoops speed changes */ |
| 141 | static int pio_mask = ATA_PIO4; /* PIO range for autospeed devices */ | 142 | static int pio_mask = ATA_PIO4; /* PIO range for autospeed devices */ |
| 142 | static int iordy_mask = 0xFFFFFFFF; /* Use iordy if available */ | 143 | static int iordy_mask = 0xFFFFFFFF; /* Use iordy if available */ |
| 143 | 144 | ||
| 145 | #ifdef PATA_WINBOND_VLB_MODULE | ||
| 146 | static int winbond = 1; /* Set to probe Winbond controllers, | ||
| 147 | give I/O port if non standard */ | ||
| 148 | #else | ||
| 149 | static int winbond; /* Set to probe Winbond controllers, | ||
| 150 | give I/O port if non standard */ | ||
| 151 | #endif | ||
| 152 | |||
| 144 | /** | 153 | /** |
| 145 | * legacy_probe_add - Add interface to probe list | 154 | * legacy_probe_add - Add interface to probe list |
| 146 | * @port: Controller port | 155 | * @port: Controller port |
| @@ -1297,6 +1306,7 @@ MODULE_AUTHOR("Alan Cox"); | |||
| 1297 | MODULE_DESCRIPTION("low-level driver for legacy ATA"); | 1306 | MODULE_DESCRIPTION("low-level driver for legacy ATA"); |
| 1298 | MODULE_LICENSE("GPL"); | 1307 | MODULE_LICENSE("GPL"); |
| 1299 | MODULE_VERSION(DRV_VERSION); | 1308 | MODULE_VERSION(DRV_VERSION); |
| 1309 | MODULE_ALIAS("pata_winbond"); | ||
| 1300 | 1310 | ||
| 1301 | module_param(probe_all, int, 0); | 1311 | module_param(probe_all, int, 0); |
| 1302 | module_param(autospeed, int, 0); | 1312 | module_param(autospeed, int, 0); |
| @@ -1305,6 +1315,7 @@ module_param(ht6560b, int, 0); | |||
| 1305 | module_param(opti82c611a, int, 0); | 1315 | module_param(opti82c611a, int, 0); |
| 1306 | module_param(opti82c46x, int, 0); | 1316 | module_param(opti82c46x, int, 0); |
| 1307 | module_param(qdi, int, 0); | 1317 | module_param(qdi, int, 0); |
| 1318 | module_param(winbond, int, 0); | ||
| 1308 | module_param(pio_mask, int, 0); | 1319 | module_param(pio_mask, int, 0); |
| 1309 | module_param(iordy_mask, int, 0); | 1320 | module_param(iordy_mask, int, 0); |
| 1310 | 1321 | ||
diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c deleted file mode 100644 index 6d8619b6f670..000000000000 --- a/drivers/ata/pata_winbond.c +++ /dev/null | |||
| @@ -1,282 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * pata_winbond.c - Winbond VLB ATA controllers | ||
| 3 | * (C) 2006 Red Hat | ||
| 4 | * | ||
| 5 | * Support for the Winbond 83759A when operating in advanced mode. | ||
| 6 | * Multichip mode is not currently supported. | ||
| 7 | */ | ||
| 8 | |||
| 9 | #include <linux/kernel.h> | ||
| 10 | #include <linux/module.h> | ||
| 11 | #include <linux/init.h> | ||
| 12 | #include <linux/blkdev.h> | ||
| 13 | #include <linux/delay.h> | ||
| 14 | #include <scsi/scsi_host.h> | ||
| 15 | #include <linux/libata.h> | ||
| 16 | #include <linux/platform_device.h> | ||
| 17 | |||
| 18 | #define DRV_NAME "pata_winbond" | ||
| 19 | #define DRV_VERSION "0.0.3" | ||
| 20 | |||
| 21 | #define NR_HOST 4 /* Two winbond controllers, two channels each */ | ||
| 22 | |||
| 23 | struct winbond_data { | ||
| 24 | unsigned long config; | ||
| 25 | struct platform_device *platform_dev; | ||
| 26 | }; | ||
| 27 | |||
| 28 | static struct ata_host *winbond_host[NR_HOST]; | ||
| 29 | static struct winbond_data winbond_data[NR_HOST]; | ||
| 30 | static int nr_winbond_host; | ||
| 31 | |||
| 32 | #ifdef MODULE | ||
| 33 | static int probe_winbond = 1; | ||
| 34 | #else | ||
| 35 | static int probe_winbond; | ||
| 36 | #endif | ||
| 37 | |||
| 38 | static DEFINE_SPINLOCK(winbond_lock); | ||
| 39 | |||
| 40 | static void winbond_writecfg(unsigned long port, u8 reg, u8 val) | ||
| 41 | { | ||
| 42 | unsigned long flags; | ||
| 43 | spin_lock_irqsave(&winbond_lock, flags); | ||
| 44 | outb(reg, port + 0x01); | ||
| 45 | outb(val, port + 0x02); | ||
| 46 | spin_unlock_irqrestore(&winbond_lock, flags); | ||
| 47 | } | ||
| 48 | |||
| 49 | static u8 winbond_readcfg(unsigned long port, u8 reg) | ||
| 50 | { | ||
| 51 | u8 val; | ||
| 52 | |||
| 53 | unsigned long flags; | ||
| 54 | spin_lock_irqsave(&winbond_lock, flags); | ||
| 55 | outb(reg, port + 0x01); | ||
| 56 | val = inb(port + 0x02); | ||
| 57 | spin_unlock_irqrestore(&winbond_lock, flags); | ||
| 58 | |||
| 59 | return val; | ||
| 60 | } | ||
| 61 | |||
| 62 | static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) | ||
| 63 | { | ||
| 64 | struct ata_timing t; | ||
| 65 | struct winbond_data *winbond = ap->host->private_data; | ||
| 66 | int active, recovery; | ||
| 67 | u8 reg; | ||
| 68 | int timing = 0x88 + (ap->port_no * 4) + (adev->devno * 2); | ||
| 69 | |||
| 70 | reg = winbond_readcfg(winbond->config, 0x81); | ||
| 71 | |||
| 72 | /* Get the timing data in cycles */ | ||
| 73 | if (reg & 0x40) /* Fast VLB bus, assume 50MHz */ | ||
| 74 | ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000); | ||
| 75 | else | ||
| 76 | ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); | ||
| 77 | |||
| 78 | active = (clamp_val(t.active, 3, 17) - 1) & 0x0F; | ||
| 79 | recovery = (clamp_val(t.recover, 1, 15) + 1) & 0x0F; | ||
| 80 | timing = (active << 4) | recovery; | ||
| 81 | winbond_writecfg(winbond->config, timing, reg); | ||
| 82 | |||
| 83 | /* Load the setup timing */ | ||
| 84 | |||
| 85 | reg = 0x35; | ||
| 86 | if (adev->class != ATA_DEV_ATA) | ||
| 87 | reg |= 0x08; /* FIFO off */ | ||
| 88 | if (!ata_pio_need_iordy(adev)) | ||
| 89 | reg |= 0x02; /* IORDY off */ | ||
| 90 | reg |= (clamp_val(t.setup, 0, 3) << 6); | ||
| 91 | winbond_writecfg(winbond->config, timing + 1, reg); | ||
| 92 | } | ||
| 93 | |||
| 94 | |||
| 95 | static unsigned int winbond_data_xfer(struct ata_device *dev, | ||
| 96 | unsigned char *buf, unsigned int buflen, int rw) | ||
| 97 | { | ||
| 98 | struct ata_port *ap = dev->link->ap; | ||
| 99 | int slop = buflen & 3; | ||
| 100 | |||
| 101 | if (ata_id_has_dword_io(dev->id)) { | ||
| 102 | if (rw == READ) | ||
| 103 | ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); | ||
| 104 | else | ||
| 105 | iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); | ||
| 106 | |||
| 107 | if (unlikely(slop)) { | ||
| 108 | __le32 pad; | ||
| 109 | if (rw == READ) { | ||
| 110 | pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr)); | ||
| 111 | memcpy(buf + buflen - slop, &pad, slop); | ||
| 112 | } else { | ||
| 113 | memcpy(&pad, buf + buflen - slop, slop); | ||
| 114 | iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr); | ||
| 115 | } | ||
| 116 | buflen += 4 - slop; | ||
| 117 | } | ||
| 118 | } else | ||
| 119 | buflen = ata_sff_data_xfer(dev, buf, buflen, rw); | ||
| 120 | |||
| 121 | return buflen; | ||
| 122 | } | ||
| 123 | |||
| 124 | static struct scsi_host_template winbond_sht = { | ||
| 125 | ATA_PIO_SHT(DRV_NAME), | ||
| 126 | }; | ||
| 127 | |||
| 128 | static struct ata_port_operations winbond_port_ops = { | ||
| 129 | .inherits = &ata_sff_port_ops, | ||
| 130 | .sff_data_xfer = winbond_data_xfer, | ||
| 131 | .cable_detect = ata_cable_40wire, | ||
| 132 | .set_piomode = winbond_set_piomode, | ||
| 133 | }; | ||
| 134 | |||
| 135 | /** | ||
| 136 | * winbond_init_one - attach a winbond interface | ||
| 137 | * @type: Type to display | ||
| 138 | * @io: I/O port start | ||
| 139 | * @irq: interrupt line | ||
| 140 | * @fast: True if on a > 33Mhz VLB | ||
| 141 | * | ||
| 142 | * Register a VLB bus IDE interface. Such interfaces are PIO and we | ||
| 143 | * assume do not support IRQ sharing. | ||
| 144 | */ | ||
| 145 | |||
| 146 | static __init int winbond_init_one(unsigned long port) | ||
| 147 | { | ||
| 148 | struct platform_device *pdev; | ||
| 149 | u8 reg; | ||
| 150 | int i, rc; | ||
| 151 | |||
| 152 | reg = winbond_readcfg(port, 0x81); | ||
| 153 | reg |= 0x80; /* jumpered mode off */ | ||
| 154 | winbond_writecfg(port, 0x81, reg); | ||
| 155 | reg = winbond_readcfg(port, 0x83); | ||
| 156 | reg |= 0xF0; /* local control */ | ||
| 157 | winbond_writecfg(port, 0x83, reg); | ||
| 158 | reg = winbond_readcfg(port, 0x85); | ||
| 159 | reg |= 0xF0; /* programmable timing */ | ||
| 160 | winbond_writecfg(port, 0x85, reg); | ||
| 161 | |||
| 162 | reg = winbond_readcfg(port, 0x81); | ||
| 163 | |||
| 164 | if (!(reg & 0x03)) /* Disabled */ | ||
| 165 | return -ENODEV; | ||
| 166 | |||
| 167 | for (i = 0; i < 2 ; i ++) { | ||
| 168 | unsigned long cmd_port = 0x1F0 - (0x80 * i); | ||
| 169 | unsigned long ctl_port = cmd_port + 0x206; | ||
| 170 | struct ata_host *host; | ||
| 171 | struct ata_port *ap; | ||
| 172 | void __iomem *cmd_addr, *ctl_addr; | ||
| 173 | |||
| 174 | if (!(reg & (1 << i))) | ||
| 175 | continue; | ||
| 176 | |||
| 177 | pdev = platform_device_register_simple(DRV_NAME, nr_winbond_host, NULL, 0); | ||
| 178 | if (IS_ERR(pdev)) | ||
| 179 | return PTR_ERR(pdev); | ||
| 180 | |||
| 181 | rc = -ENOMEM; | ||
| 182 | host = ata_host_alloc(&pdev->dev, 1); | ||
| 183 | if (!host) | ||
| 184 | goto err_unregister; | ||
| 185 | ap = host->ports[0]; | ||
| 186 | |||
| 187 | rc = -ENOMEM; | ||
| 188 | cmd_addr = devm_ioport_map(&pdev->dev, cmd_port, 8); | ||
| 189 | ctl_addr = devm_ioport_map(&pdev->dev, ctl_port, 1); | ||
| 190 | if (!cmd_addr || !ctl_addr) | ||
| 191 | goto err_unregister; | ||
| 192 | |||
| 193 | ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", cmd_port, ctl_port); | ||
| 194 | |||
| 195 | ap->ops = &winbond_port_ops; | ||
| 196 | ap->pio_mask = ATA_PIO4; | ||
| 197 | ap->flags |= ATA_FLAG_SLAVE_POSS; | ||
| 198 | ap->ioaddr.cmd_addr = cmd_addr; | ||
| 199 | ap->ioaddr.altstatus_addr = ctl_addr; | ||
| 200 | ap->ioaddr.ctl_addr = ctl_addr; | ||
| 201 | ata_sff_std_ports(&ap->ioaddr); | ||
| 202 | |||
| 203 | /* hook in a private data structure per channel */ | ||
| 204 | host->private_data = &winbond_data[nr_winbond_host]; | ||
| 205 | winbond_data[nr_winbond_host].config = port; | ||
| 206 | winbond_data[nr_winbond_host].platform_dev = pdev; | ||
| 207 | |||
| 208 | /* activate */ | ||
| 209 | rc = ata_host_activate(host, 14 + i, ata_sff_interrupt, 0, | ||
| 210 | &winbond_sht); | ||
| 211 | if (rc) | ||
| 212 | goto err_unregister; | ||
| 213 | |||
| 214 | winbond_host[nr_winbond_host++] = dev_get_drvdata(&pdev->dev); | ||
| 215 | } | ||
| 216 | |||
| 217 | return 0; | ||
| 218 | |||
| 219 | err_unregister: | ||
| 220 | platform_device_unregister(pdev); | ||
| 221 | return rc; | ||
| 222 | } | ||
| 223 | |||
| 224 | /** | ||
| 225 | * winbond_init - attach winbond interfaces | ||
| 226 | * | ||
| 227 | * Attach winbond IDE interfaces by scanning the ports it may occupy. | ||
| 228 | */ | ||
| 229 | |||
| 230 | static __init int winbond_init(void) | ||
| 231 | { | ||
| 232 | static const unsigned long config[2] = { 0x130, 0x1B0 }; | ||
| 233 | |||
| 234 | int ct = 0; | ||
| 235 | int i; | ||
| 236 | |||
| 237 | if (probe_winbond == 0) | ||
| 238 | return -ENODEV; | ||
| 239 | |||
| 240 | /* | ||
| 241 | * Check both base addresses | ||
| 242 | */ | ||
| 243 | |||
| 244 | for (i = 0; i < 2; i++) { | ||
| 245 | if (probe_winbond & (1<<i)) { | ||
| 246 | int ret = 0; | ||
| 247 | unsigned long port = config[i]; | ||
| 248 | |||
| 249 | if (request_region(port, 2, "pata_winbond")) { | ||
| 250 | ret = winbond_init_one(port); | ||
| 251 | if (ret <= 0) | ||
| 252 | release_region(port, 2); | ||
| 253 | else ct+= ret; | ||
| 254 | } | ||
| 255 | } | ||
| 256 | } | ||
| 257 | if (ct != 0) | ||
| 258 | return 0; | ||
| 259 | return -ENODEV; | ||
| 260 | } | ||
| 261 | |||
| 262 | static __exit void winbond_exit(void) | ||
| 263 | { | ||
| 264 | int i; | ||
| 265 | |||
| 266 | for (i = 0; i < nr_winbond_host; i++) { | ||
| 267 | ata_host_detach(winbond_host[i]); | ||
| 268 | release_region(winbond_data[i].config, 2); | ||
| 269 | platform_device_unregister(winbond_data[i].platform_dev); | ||
| 270 | } | ||
| 271 | } | ||
| 272 | |||
| 273 | MODULE_AUTHOR("Alan Cox"); | ||
| 274 | MODULE_DESCRIPTION("low-level driver for Winbond VL ATA"); | ||
| 275 | MODULE_LICENSE("GPL"); | ||
| 276 | MODULE_VERSION(DRV_VERSION); | ||
| 277 | |||
| 278 | module_init(winbond_init); | ||
| 279 | module_exit(winbond_exit); | ||
| 280 | |||
| 281 | module_param(probe_winbond, int, 0); | ||
| 282 | |||
