diff options
Diffstat (limited to 'drivers/ide/slc90e66.c')
-rw-r--r-- | drivers/ide/slc90e66.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/ide/slc90e66.c b/drivers/ide/slc90e66.c index 9aec78d3bcff..864ffe0e26d9 100644 --- a/drivers/ide/slc90e66.c +++ b/drivers/ide/slc90e66.c | |||
@@ -18,9 +18,8 @@ | |||
18 | 18 | ||
19 | static DEFINE_SPINLOCK(slc90e66_lock); | 19 | static DEFINE_SPINLOCK(slc90e66_lock); |
20 | 20 | ||
21 | static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) | 21 | static void slc90e66_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) |
22 | { | 22 | { |
23 | ide_hwif_t *hwif = drive->hwif; | ||
24 | struct pci_dev *dev = to_pci_dev(hwif->dev); | 23 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
25 | int is_slave = drive->dn & 1; | 24 | int is_slave = drive->dn & 1; |
26 | int master_port = hwif->channel ? 0x42 : 0x40; | 25 | int master_port = hwif->channel ? 0x42 : 0x40; |
@@ -29,6 +28,8 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) | |||
29 | u16 master_data; | 28 | u16 master_data; |
30 | u8 slave_data; | 29 | u8 slave_data; |
31 | int control = 0; | 30 | int control = 0; |
31 | const u8 pio = drive->pio_mode - XFER_PIO_0; | ||
32 | |||
32 | /* ISP RTC */ | 33 | /* ISP RTC */ |
33 | static const u8 timings[][2] = { | 34 | static const u8 timings[][2] = { |
34 | { 0, 0 }, | 35 | { 0, 0 }, |
@@ -71,14 +72,14 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) | |||
71 | spin_unlock_irqrestore(&slc90e66_lock, flags); | 72 | spin_unlock_irqrestore(&slc90e66_lock, flags); |
72 | } | 73 | } |
73 | 74 | ||
74 | static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) | 75 | static void slc90e66_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive) |
75 | { | 76 | { |
76 | ide_hwif_t *hwif = drive->hwif; | ||
77 | struct pci_dev *dev = to_pci_dev(hwif->dev); | 77 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
78 | u8 maslave = hwif->channel ? 0x42 : 0x40; | 78 | u8 maslave = hwif->channel ? 0x42 : 0x40; |
79 | int sitre = 0, a_speed = 7 << (drive->dn * 4); | 79 | int sitre = 0, a_speed = 7 << (drive->dn * 4); |
80 | int u_speed = 0, u_flag = 1 << drive->dn; | 80 | int u_speed = 0, u_flag = 1 << drive->dn; |
81 | u16 reg4042, reg44, reg48, reg4a; | 81 | u16 reg4042, reg44, reg48, reg4a; |
82 | const u8 speed = drive->dma_mode; | ||
82 | 83 | ||
83 | pci_read_config_word(dev, maslave, ®4042); | 84 | pci_read_config_word(dev, maslave, ®4042); |
84 | sitre = (reg4042 & 0x4000) ? 1 : 0; | 85 | sitre = (reg4042 & 0x4000) ? 1 : 0; |
@@ -91,15 +92,13 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) | |||
91 | 92 | ||
92 | if (!(reg48 & u_flag)) | 93 | if (!(reg48 & u_flag)) |
93 | pci_write_config_word(dev, 0x48, reg48|u_flag); | 94 | pci_write_config_word(dev, 0x48, reg48|u_flag); |
94 | /* FIXME: (reg4a & a_speed) ? */ | 95 | if ((reg4a & a_speed) != u_speed) { |
95 | if ((reg4a & u_speed) != u_speed) { | ||
96 | pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); | 96 | pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); |
97 | pci_read_config_word(dev, 0x4a, ®4a); | 97 | pci_read_config_word(dev, 0x4a, ®4a); |
98 | pci_write_config_word(dev, 0x4a, reg4a|u_speed); | 98 | pci_write_config_word(dev, 0x4a, reg4a|u_speed); |
99 | } | 99 | } |
100 | } else { | 100 | } else { |
101 | const u8 mwdma_to_pio[] = { 0, 3, 4 }; | 101 | const u8 mwdma_to_pio[] = { 0, 3, 4 }; |
102 | u8 pio; | ||
103 | 102 | ||
104 | if (reg48 & u_flag) | 103 | if (reg48 & u_flag) |
105 | pci_write_config_word(dev, 0x48, reg48 & ~u_flag); | 104 | pci_write_config_word(dev, 0x48, reg48 & ~u_flag); |
@@ -107,11 +106,12 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) | |||
107 | pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); | 106 | pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); |
108 | 107 | ||
109 | if (speed >= XFER_MW_DMA_0) | 108 | if (speed >= XFER_MW_DMA_0) |
110 | pio = mwdma_to_pio[speed - XFER_MW_DMA_0]; | 109 | drive->pio_mode = |
110 | mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0; | ||
111 | else | 111 | else |
112 | pio = 2; /* only SWDMA2 is allowed */ | 112 | drive->pio_mode = XFER_PIO_2; /* for SWDMA2 */ |
113 | 113 | ||
114 | slc90e66_set_pio_mode(drive, pio); | 114 | slc90e66_set_pio_mode(hwif, drive); |
115 | } | 115 | } |
116 | } | 116 | } |
117 | 117 | ||