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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-21 14:57:23 -0400
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-21 14:57:23 -0400
commit2bfba3c444fe8b2ab1c38112a89d8f03b61136ca (patch)
tree17580eee63d868c9d6b97a6bc956a08f25631532 /drivers/ide/h8300
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
ide: remove useless subdirs from drivers/ide/
Suggested-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/h8300')
-rw-r--r--drivers/ide/h8300/Makefile2
-rw-r--r--drivers/ide/h8300/ide-h8300.c217
2 files changed, 0 insertions, 219 deletions
diff --git a/drivers/ide/h8300/Makefile b/drivers/ide/h8300/Makefile
deleted file mode 100644
index 5eba16f423f4..000000000000
--- a/drivers/ide/h8300/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
1
2obj-$(CONFIG_IDE_H8300) += ide-h8300.o
diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c
deleted file mode 100644
index e2cdd2e9cdec..000000000000
--- a/drivers/ide/h8300/ide-h8300.c
+++ /dev/null
@@ -1,217 +0,0 @@
1/*
2 * H8/300 generic IDE interface
3 */
4
5#include <linux/init.h>
6#include <linux/ide.h>
7
8#include <asm/io.h>
9#include <asm/irq.h>
10
11#define DRV_NAME "ide-h8300"
12
13#define bswap(d) \
14({ \
15 u16 r; \
16 __asm__("mov.b %w1,r1h\n\t" \
17 "mov.b %x1,r1l\n\t" \
18 "mov.w r1,%0" \
19 :"=r"(r) \
20 :"r"(d) \
21 :"er1"); \
22 (r); \
23})
24
25static void mm_outw(u16 d, unsigned long a)
26{
27 __asm__("mov.b %w0,r2h\n\t"
28 "mov.b %x0,r2l\n\t"
29 "mov.w r2,@%1"
30 :
31 :"r"(d),"r"(a)
32 :"er2");
33}
34
35static u16 mm_inw(unsigned long a)
36{
37 register u16 r __asm__("er0");
38 __asm__("mov.w @%1,r2\n\t"
39 "mov.b r2l,%x0\n\t"
40 "mov.b r2h,%w0"
41 :"=r"(r)
42 :"r"(a)
43 :"er2");
44 return r;
45}
46
47static void h8300_tf_load(ide_drive_t *drive, ide_task_t *task)
48{
49 ide_hwif_t *hwif = drive->hwif;
50 struct ide_io_ports *io_ports = &hwif->io_ports;
51 struct ide_taskfile *tf = &task->tf;
52 u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
53
54 if (task->tf_flags & IDE_TFLAG_FLAGGED)
55 HIHI = 0xFF;
56
57 if (task->tf_flags & IDE_TFLAG_OUT_DATA)
58 mm_outw((tf->hob_data << 8) | tf->data, io_ports->data_addr);
59
60 if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
61 outb(tf->hob_feature, io_ports->feature_addr);
62 if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
63 outb(tf->hob_nsect, io_ports->nsect_addr);
64 if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
65 outb(tf->hob_lbal, io_ports->lbal_addr);
66 if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
67 outb(tf->hob_lbam, io_ports->lbam_addr);
68 if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
69 outb(tf->hob_lbah, io_ports->lbah_addr);
70
71 if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
72 outb(tf->feature, io_ports->feature_addr);
73 if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
74 outb(tf->nsect, io_ports->nsect_addr);
75 if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
76 outb(tf->lbal, io_ports->lbal_addr);
77 if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
78 outb(tf->lbam, io_ports->lbam_addr);
79 if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
80 outb(tf->lbah, io_ports->lbah_addr);
81
82 if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
83 outb((tf->device & HIHI) | drive->select,
84 io_ports->device_addr);
85}
86
87static void h8300_tf_read(ide_drive_t *drive, ide_task_t *task)
88{
89 ide_hwif_t *hwif = drive->hwif;
90 struct ide_io_ports *io_ports = &hwif->io_ports;
91 struct ide_taskfile *tf = &task->tf;
92
93 if (task->tf_flags & IDE_TFLAG_IN_DATA) {
94 u16 data = mm_inw(io_ports->data_addr);
95
96 tf->data = data & 0xff;
97 tf->hob_data = (data >> 8) & 0xff;
98 }
99
100 /* be sure we're looking at the low order bits */
101 outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
102
103 if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
104 tf->feature = inb(io_ports->feature_addr);
105 if (task->tf_flags & IDE_TFLAG_IN_NSECT)
106 tf->nsect = inb(io_ports->nsect_addr);
107 if (task->tf_flags & IDE_TFLAG_IN_LBAL)
108 tf->lbal = inb(io_ports->lbal_addr);
109 if (task->tf_flags & IDE_TFLAG_IN_LBAM)
110 tf->lbam = inb(io_ports->lbam_addr);
111 if (task->tf_flags & IDE_TFLAG_IN_LBAH)
112 tf->lbah = inb(io_ports->lbah_addr);
113 if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
114 tf->device = inb(io_ports->device_addr);
115
116 if (task->tf_flags & IDE_TFLAG_LBA48) {
117 outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
118
119 if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
120 tf->hob_feature = inb(io_ports->feature_addr);
121 if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
122 tf->hob_nsect = inb(io_ports->nsect_addr);
123 if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
124 tf->hob_lbal = inb(io_ports->lbal_addr);
125 if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
126 tf->hob_lbam = inb(io_ports->lbam_addr);
127 if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
128 tf->hob_lbah = inb(io_ports->lbah_addr);
129 }
130}
131
132static void mm_outsw(unsigned long addr, void *buf, u32 len)
133{
134 unsigned short *bp = (unsigned short *)buf;
135 for (; len > 0; len--, bp++)
136 *(volatile u16 *)addr = bswap(*bp);
137}
138
139static void mm_insw(unsigned long addr, void *buf, u32 len)
140{
141 unsigned short *bp = (unsigned short *)buf;
142 for (; len > 0; len--, bp++)
143 *bp = bswap(*(volatile u16 *)addr);
144}
145
146static void h8300_input_data(ide_drive_t *drive, struct request *rq,
147 void *buf, unsigned int len)
148{
149 mm_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
150}
151
152static void h8300_output_data(ide_drive_t *drive, struct request *rq,
153 void *buf, unsigned int len)
154{
155 mm_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
156}
157
158static const struct ide_tp_ops h8300_tp_ops = {
159 .exec_command = ide_exec_command,
160 .read_status = ide_read_status,
161 .read_altstatus = ide_read_altstatus,
162 .read_sff_dma_status = ide_read_sff_dma_status,
163
164 .set_irq = ide_set_irq,
165
166 .tf_load = h8300_tf_load,
167 .tf_read = h8300_tf_read,
168
169 .input_data = h8300_input_data,
170 .output_data = h8300_output_data,
171};
172
173#define H8300_IDE_GAP (2)
174
175static inline void hw_setup(hw_regs_t *hw)
176{
177 int i;
178
179 memset(hw, 0, sizeof(hw_regs_t));
180 for (i = 0; i <= 7; i++)
181 hw->io_ports_array[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i;
182 hw->io_ports.ctl_addr = CONFIG_H8300_IDE_ALT;
183 hw->irq = EXT_IRQ0 + CONFIG_H8300_IDE_IRQ;
184 hw->chipset = ide_generic;
185}
186
187static const struct ide_port_info h8300_port_info = {
188 .tp_ops = &h8300_tp_ops,
189 .host_flags = IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_NO_DMA,
190};
191
192static int __init h8300_ide_init(void)
193{
194 hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
195
196 printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n");
197
198 if (!request_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8, "ide-h8300"))
199 goto out_busy;
200 if (!request_region(CONFIG_H8300_IDE_ALT, H8300_IDE_GAP, "ide-h8300")) {
201 release_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8);
202 goto out_busy;
203 }
204
205 hw_setup(&hw);
206
207 return ide_host_add(&h8300_port_info, hws, NULL);
208
209out_busy:
210 printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n");
211
212 return -EBUSY;
213}
214
215module_init(h8300_ide_init);
216
217MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-15 21:40:49 -0500