diff options
Diffstat (limited to 'drivers/ide/pci/opti621.c')
-rw-r--r-- | drivers/ide/pci/opti621.c | 46 |
1 files changed, 14 insertions, 32 deletions
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index 8c715b7a85db..725c80508d90 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c | |||
@@ -90,16 +90,6 @@ | |||
90 | 90 | ||
91 | #include <asm/io.h> | 91 | #include <asm/io.h> |
92 | 92 | ||
93 | //#define OPTI621_MAX_PIO 3 | ||
94 | /* In fact, I do not have any PIO 4 drive | ||
95 | * (address: 25 ns, data: 70 ns, recovery: 35 ns), | ||
96 | * but OPTi 82C621 is programmable and it can do (minimal values): | ||
97 | * on 40MHz PCI bus (pulse 25 ns): | ||
98 | * address: 25 ns, data: 25 ns, recovery: 50 ns; | ||
99 | * on 20MHz PCI bus (pulse 50 ns): | ||
100 | * address: 50 ns, data: 50 ns, recovery: 100 ns. | ||
101 | */ | ||
102 | |||
103 | #define READ_REG 0 /* index of Read cycle timing register */ | 93 | #define READ_REG 0 /* index of Read cycle timing register */ |
104 | #define WRITE_REG 1 /* index of Write cycle timing register */ | 94 | #define WRITE_REG 1 /* index of Write cycle timing register */ |
105 | #define CNTRL_REG 3 /* index of Control register */ | 95 | #define CNTRL_REG 3 /* index of Control register */ |
@@ -150,13 +140,13 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) | |||
150 | u8 tim, misc, addr_pio = pio, clk; | 140 | u8 tim, misc, addr_pio = pio, clk; |
151 | 141 | ||
152 | /* DRDY is default 2 (by OPTi Databook) */ | 142 | /* DRDY is default 2 (by OPTi Databook) */ |
153 | static const u8 addr_timings[2][4] = { | 143 | static const u8 addr_timings[2][5] = { |
154 | { 0x20, 0x10, 0x00, 0x00 }, /* 33 MHz */ | 144 | { 0x20, 0x10, 0x00, 0x00, 0x00 }, /* 33 MHz */ |
155 | { 0x10, 0x10, 0x00, 0x00 }, /* 25 MHz */ | 145 | { 0x10, 0x10, 0x00, 0x00, 0x00 }, /* 25 MHz */ |
156 | }; | 146 | }; |
157 | static const u8 data_rec_timings[2][4] = { | 147 | static const u8 data_rec_timings[2][5] = { |
158 | { 0x5b, 0x45, 0x32, 0x21 }, /* 33 MHz */ | 148 | { 0x5b, 0x45, 0x32, 0x21, 0x20 }, /* 33 MHz */ |
159 | { 0x48, 0x34, 0x21, 0x10 } /* 25 MHz */ | 149 | { 0x48, 0x34, 0x21, 0x10, 0x10 } /* 25 MHz */ |
160 | }; | 150 | }; |
161 | 151 | ||
162 | drive->drive_data = XFER_PIO_0 + pio; | 152 | drive->drive_data = XFER_PIO_0 + pio; |
@@ -209,30 +199,22 @@ static const struct ide_port_ops opti621_port_ops = { | |||
209 | .set_pio_mode = opti621_set_pio_mode, | 199 | .set_pio_mode = opti621_set_pio_mode, |
210 | }; | 200 | }; |
211 | 201 | ||
212 | static const struct ide_port_info opti621_chipsets[] __devinitdata = { | 202 | static const struct ide_port_info opti621_chipset __devinitdata = { |
213 | { /* 0 */ | 203 | .name = "OPTI621/X", |
214 | .name = "OPTI621", | 204 | .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, |
215 | .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, | 205 | .port_ops = &opti621_port_ops, |
216 | .port_ops = &opti621_port_ops, | 206 | .host_flags = IDE_HFLAG_NO_DMA, |
217 | .host_flags = IDE_HFLAG_NO_DMA, | 207 | .pio_mask = ATA_PIO4, |
218 | .pio_mask = ATA_PIO3, | ||
219 | }, { /* 1 */ | ||
220 | .name = "OPTI621X", | ||
221 | .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, | ||
222 | .port_ops = &opti621_port_ops, | ||
223 | .host_flags = IDE_HFLAG_NO_DMA, | ||
224 | .pio_mask = ATA_PIO3, | ||
225 | } | ||
226 | }; | 208 | }; |
227 | 209 | ||
228 | static int __devinit opti621_init_one(struct pci_dev *dev, const struct pci_device_id *id) | 210 | static int __devinit opti621_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
229 | { | 211 | { |
230 | return ide_setup_pci_device(dev, &opti621_chipsets[id->driver_data]); | 212 | return ide_setup_pci_device(dev, &opti621_chipset); |
231 | } | 213 | } |
232 | 214 | ||
233 | static const struct pci_device_id opti621_pci_tbl[] = { | 215 | static const struct pci_device_id opti621_pci_tbl[] = { |
234 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C621), 0 }, | 216 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C621), 0 }, |
235 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C825), 1 }, | 217 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C825), 0 }, |
236 | { 0, }, | 218 | { 0, }, |
237 | }; | 219 | }; |
238 | MODULE_DEVICE_TABLE(pci, opti621_pci_tbl); | 220 | MODULE_DEVICE_TABLE(pci, opti621_pci_tbl); |