David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 1 | /* parport_sunbpp.c: Parallel-port routines for SBUS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * |
| 3 | * Author: Derrick J. Brashear <shadow@dementia.org> |
| 4 | * |
| 5 | * based on work by: |
| 6 | * Phil Blundell <philb@gnu.org> |
| 7 | * Tim Waugh <tim@cyberelk.demon.co.uk> |
| 8 | * Jose Renau <renau@acm.org> |
| 9 | * David Campbell <campbell@tirian.che.curtin.edu.au> |
| 10 | * Grant Guenther <grant@torque.net> |
| 11 | * Eddie C. Dost <ecd@skynet.be> |
| 12 | * Stephen Williams (steve@icarus.com) |
| 13 | * Gus Baldauf (gbaldauf@ix.netcom.com) |
| 14 | * Peter Zaitcev |
| 15 | * Tom Dyas |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 16 | * |
| 17 | * Updated to new SBUS device framework: David S. Miller <davem@davemloft.net> |
| 18 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | #include <linux/string.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/ioport.h> |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/slab.h> |
| 28 | #include <linux/init.h> |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 29 | #include <linux/of.h> |
| 30 | #include <linux/of_device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | |
| 32 | #include <linux/parport.h> |
| 33 | |
| 34 | #include <asm/ptrace.h> |
| 35 | #include <linux/interrupt.h> |
| 36 | |
| 37 | #include <asm/io.h> |
| 38 | #include <asm/oplib.h> /* OpenProm Library */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <asm/dma.h> /* BPP uses LSI 64854 for DMA */ |
| 40 | #include <asm/irq.h> |
| 41 | #include <asm/sunbpp.h> |
| 42 | |
| 43 | #undef __SUNBPP_DEBUG |
| 44 | #ifdef __SUNBPP_DEBUG |
| 45 | #define dprintk(x) printk x |
| 46 | #else |
| 47 | #define dprintk(x) |
| 48 | #endif |
| 49 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | static void parport_sunbpp_disable_irq(struct parport *p) |
| 51 | { |
| 52 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 53 | u32 tmp; |
| 54 | |
| 55 | tmp = sbus_readl(®s->p_csr); |
| 56 | tmp &= ~DMA_INT_ENAB; |
| 57 | sbus_writel(tmp, ®s->p_csr); |
| 58 | } |
| 59 | |
| 60 | static void parport_sunbpp_enable_irq(struct parport *p) |
| 61 | { |
| 62 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 63 | u32 tmp; |
| 64 | |
| 65 | tmp = sbus_readl(®s->p_csr); |
| 66 | tmp |= DMA_INT_ENAB; |
| 67 | sbus_writel(tmp, ®s->p_csr); |
| 68 | } |
| 69 | |
| 70 | static void parport_sunbpp_write_data(struct parport *p, unsigned char d) |
| 71 | { |
| 72 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 73 | |
| 74 | sbus_writeb(d, ®s->p_dr); |
| 75 | dprintk((KERN_DEBUG "wrote 0x%x\n", d)); |
| 76 | } |
| 77 | |
| 78 | static unsigned char parport_sunbpp_read_data(struct parport *p) |
| 79 | { |
| 80 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 81 | |
| 82 | return sbus_readb(®s->p_dr); |
| 83 | } |
| 84 | |
| 85 | #if 0 |
| 86 | static void control_pc_to_sunbpp(struct parport *p, unsigned char status) |
| 87 | { |
| 88 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 89 | unsigned char value_tcr = sbus_readb(®s->p_tcr); |
| 90 | unsigned char value_or = sbus_readb(®s->p_or); |
| 91 | |
| 92 | if (status & PARPORT_CONTROL_STROBE) |
| 93 | value_tcr |= P_TCR_DS; |
| 94 | if (status & PARPORT_CONTROL_AUTOFD) |
| 95 | value_or |= P_OR_AFXN; |
| 96 | if (status & PARPORT_CONTROL_INIT) |
| 97 | value_or |= P_OR_INIT; |
| 98 | if (status & PARPORT_CONTROL_SELECT) |
| 99 | value_or |= P_OR_SLCT_IN; |
| 100 | |
| 101 | sbus_writeb(value_or, ®s->p_or); |
| 102 | sbus_writeb(value_tcr, ®s->p_tcr); |
| 103 | } |
| 104 | #endif |
| 105 | |
| 106 | static unsigned char status_sunbpp_to_pc(struct parport *p) |
| 107 | { |
| 108 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 109 | unsigned char bits = 0; |
| 110 | unsigned char value_tcr = sbus_readb(®s->p_tcr); |
| 111 | unsigned char value_ir = sbus_readb(®s->p_ir); |
| 112 | |
| 113 | if (!(value_ir & P_IR_ERR)) |
| 114 | bits |= PARPORT_STATUS_ERROR; |
| 115 | if (!(value_ir & P_IR_SLCT)) |
| 116 | bits |= PARPORT_STATUS_SELECT; |
| 117 | if (!(value_ir & P_IR_PE)) |
| 118 | bits |= PARPORT_STATUS_PAPEROUT; |
| 119 | if (value_tcr & P_TCR_ACK) |
| 120 | bits |= PARPORT_STATUS_ACK; |
| 121 | if (!(value_tcr & P_TCR_BUSY)) |
| 122 | bits |= PARPORT_STATUS_BUSY; |
| 123 | |
David S. Miller | 5a68b2e3 | 2007-04-23 23:33:17 -0700 | [diff] [blame] | 124 | dprintk((KERN_DEBUG "tcr 0x%x ir 0x%x\n", value_tcr, value_ir)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | dprintk((KERN_DEBUG "read status 0x%x\n", bits)); |
| 126 | return bits; |
| 127 | } |
| 128 | |
| 129 | static unsigned char control_sunbpp_to_pc(struct parport *p) |
| 130 | { |
| 131 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 132 | unsigned char bits = 0; |
| 133 | unsigned char value_tcr = sbus_readb(®s->p_tcr); |
| 134 | unsigned char value_or = sbus_readb(®s->p_or); |
| 135 | |
| 136 | if (!(value_tcr & P_TCR_DS)) |
| 137 | bits |= PARPORT_CONTROL_STROBE; |
| 138 | if (!(value_or & P_OR_AFXN)) |
| 139 | bits |= PARPORT_CONTROL_AUTOFD; |
| 140 | if (!(value_or & P_OR_INIT)) |
| 141 | bits |= PARPORT_CONTROL_INIT; |
| 142 | if (value_or & P_OR_SLCT_IN) |
| 143 | bits |= PARPORT_CONTROL_SELECT; |
| 144 | |
David S. Miller | 5a68b2e3 | 2007-04-23 23:33:17 -0700 | [diff] [blame] | 145 | dprintk((KERN_DEBUG "tcr 0x%x or 0x%x\n", value_tcr, value_or)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | dprintk((KERN_DEBUG "read control 0x%x\n", bits)); |
| 147 | return bits; |
| 148 | } |
| 149 | |
| 150 | static unsigned char parport_sunbpp_read_control(struct parport *p) |
| 151 | { |
| 152 | return control_sunbpp_to_pc(p); |
| 153 | } |
| 154 | |
| 155 | static unsigned char parport_sunbpp_frob_control(struct parport *p, |
| 156 | unsigned char mask, |
| 157 | unsigned char val) |
| 158 | { |
| 159 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 160 | unsigned char value_tcr = sbus_readb(®s->p_tcr); |
| 161 | unsigned char value_or = sbus_readb(®s->p_or); |
| 162 | |
David S. Miller | 5a68b2e3 | 2007-04-23 23:33:17 -0700 | [diff] [blame] | 163 | dprintk((KERN_DEBUG "frob1: tcr 0x%x or 0x%x\n", |
| 164 | value_tcr, value_or)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | if (mask & PARPORT_CONTROL_STROBE) { |
| 166 | if (val & PARPORT_CONTROL_STROBE) { |
| 167 | value_tcr &= ~P_TCR_DS; |
| 168 | } else { |
| 169 | value_tcr |= P_TCR_DS; |
| 170 | } |
| 171 | } |
| 172 | if (mask & PARPORT_CONTROL_AUTOFD) { |
| 173 | if (val & PARPORT_CONTROL_AUTOFD) { |
| 174 | value_or &= ~P_OR_AFXN; |
| 175 | } else { |
| 176 | value_or |= P_OR_AFXN; |
| 177 | } |
| 178 | } |
| 179 | if (mask & PARPORT_CONTROL_INIT) { |
| 180 | if (val & PARPORT_CONTROL_INIT) { |
| 181 | value_or &= ~P_OR_INIT; |
| 182 | } else { |
| 183 | value_or |= P_OR_INIT; |
| 184 | } |
| 185 | } |
| 186 | if (mask & PARPORT_CONTROL_SELECT) { |
| 187 | if (val & PARPORT_CONTROL_SELECT) { |
| 188 | value_or |= P_OR_SLCT_IN; |
| 189 | } else { |
| 190 | value_or &= ~P_OR_SLCT_IN; |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | sbus_writeb(value_or, ®s->p_or); |
| 195 | sbus_writeb(value_tcr, ®s->p_tcr); |
David S. Miller | 5a68b2e3 | 2007-04-23 23:33:17 -0700 | [diff] [blame] | 196 | dprintk((KERN_DEBUG "frob2: tcr 0x%x or 0x%x\n", |
| 197 | value_tcr, value_or)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | return parport_sunbpp_read_control(p); |
| 199 | } |
| 200 | |
| 201 | static void parport_sunbpp_write_control(struct parport *p, unsigned char d) |
| 202 | { |
| 203 | const unsigned char wm = (PARPORT_CONTROL_STROBE | |
| 204 | PARPORT_CONTROL_AUTOFD | |
| 205 | PARPORT_CONTROL_INIT | |
| 206 | PARPORT_CONTROL_SELECT); |
| 207 | |
| 208 | parport_sunbpp_frob_control (p, wm, d & wm); |
| 209 | } |
| 210 | |
| 211 | static unsigned char parport_sunbpp_read_status(struct parport *p) |
| 212 | { |
| 213 | return status_sunbpp_to_pc(p); |
| 214 | } |
| 215 | |
| 216 | static void parport_sunbpp_data_forward (struct parport *p) |
| 217 | { |
| 218 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 219 | unsigned char value_tcr = sbus_readb(®s->p_tcr); |
| 220 | |
| 221 | dprintk((KERN_DEBUG "forward\n")); |
| 222 | value_tcr &= ~P_TCR_DIR; |
| 223 | sbus_writeb(value_tcr, ®s->p_tcr); |
| 224 | } |
| 225 | |
| 226 | static void parport_sunbpp_data_reverse (struct parport *p) |
| 227 | { |
| 228 | struct bpp_regs __iomem *regs = (struct bpp_regs __iomem *)p->base; |
| 229 | u8 val = sbus_readb(®s->p_tcr); |
| 230 | |
| 231 | dprintk((KERN_DEBUG "reverse\n")); |
| 232 | val |= P_TCR_DIR; |
| 233 | sbus_writeb(val, ®s->p_tcr); |
| 234 | } |
| 235 | |
| 236 | static void parport_sunbpp_init_state(struct pardevice *dev, struct parport_state *s) |
| 237 | { |
| 238 | s->u.pc.ctr = 0xc; |
| 239 | s->u.pc.ecr = 0x0; |
| 240 | } |
| 241 | |
| 242 | static void parport_sunbpp_save_state(struct parport *p, struct parport_state *s) |
| 243 | { |
| 244 | s->u.pc.ctr = parport_sunbpp_read_control(p); |
| 245 | } |
| 246 | |
| 247 | static void parport_sunbpp_restore_state(struct parport *p, struct parport_state *s) |
| 248 | { |
| 249 | parport_sunbpp_write_control(p, s->u.pc.ctr); |
| 250 | } |
| 251 | |
| 252 | static struct parport_operations parport_sunbpp_ops = |
| 253 | { |
| 254 | .write_data = parport_sunbpp_write_data, |
| 255 | .read_data = parport_sunbpp_read_data, |
| 256 | |
| 257 | .write_control = parport_sunbpp_write_control, |
| 258 | .read_control = parport_sunbpp_read_control, |
| 259 | .frob_control = parport_sunbpp_frob_control, |
| 260 | |
| 261 | .read_status = parport_sunbpp_read_status, |
| 262 | |
| 263 | .enable_irq = parport_sunbpp_enable_irq, |
| 264 | .disable_irq = parport_sunbpp_disable_irq, |
| 265 | |
| 266 | .data_forward = parport_sunbpp_data_forward, |
| 267 | .data_reverse = parport_sunbpp_data_reverse, |
| 268 | |
| 269 | .init_state = parport_sunbpp_init_state, |
| 270 | .save_state = parport_sunbpp_save_state, |
| 271 | .restore_state = parport_sunbpp_restore_state, |
| 272 | |
| 273 | .epp_write_data = parport_ieee1284_epp_write_data, |
| 274 | .epp_read_data = parport_ieee1284_epp_read_data, |
| 275 | .epp_write_addr = parport_ieee1284_epp_write_addr, |
| 276 | .epp_read_addr = parport_ieee1284_epp_read_addr, |
| 277 | |
| 278 | .ecp_write_data = parport_ieee1284_ecp_write_data, |
| 279 | .ecp_read_data = parport_ieee1284_ecp_read_data, |
| 280 | .ecp_write_addr = parport_ieee1284_ecp_write_addr, |
| 281 | |
| 282 | .compat_write_data = parport_ieee1284_write_compat, |
| 283 | .nibble_read_data = parport_ieee1284_read_nibble, |
| 284 | .byte_read_data = parport_ieee1284_read_byte, |
| 285 | |
| 286 | .owner = THIS_MODULE, |
| 287 | }; |
| 288 | |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 289 | static int __devinit bpp_probe(struct of_device *op, const struct of_device_id *match) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | struct parport_operations *ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | struct bpp_regs __iomem *regs; |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 293 | int irq, dma, err = 0, size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | unsigned char value_tcr; |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 295 | void __iomem *base; |
| 296 | struct parport *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | |
Grant Likely | 1636f8a | 2010-06-18 11:09:58 -0600 | [diff] [blame] | 298 | irq = op->archdata.irqs[0]; |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 299 | base = of_ioremap(&op->resource[0], 0, |
| 300 | resource_size(&op->resource[0]), |
| 301 | "sunbpp"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | if (!base) |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 303 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 305 | size = resource_size(&op->resource[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | dma = PARPORT_DMA_NONE; |
| 307 | |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 308 | ops = kmalloc(sizeof(struct parport_operations), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | if (!ops) |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 310 | goto out_unmap; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 312 | memcpy (ops, &parport_sunbpp_ops, sizeof(struct parport_operations)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | |
| 314 | dprintk(("register_port\n")); |
| 315 | if (!(p = parport_register_port((unsigned long)base, irq, dma, ops))) |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 316 | goto out_free_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | |
| 318 | p->size = size; |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 319 | p->dev = &op->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | |
Jeff Garzik | 3f2e40d | 2007-10-19 01:42:14 -0400 | [diff] [blame] | 321 | if ((err = request_irq(p->irq, parport_irq_handler, |
Thomas Gleixner | dace145 | 2006-07-01 19:29:38 -0700 | [diff] [blame] | 322 | IRQF_SHARED, p->name, p)) != 0) { |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 323 | goto out_put_port; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | } |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 325 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | parport_sunbpp_enable_irq(p); |
| 327 | |
| 328 | regs = (struct bpp_regs __iomem *)p->base; |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 329 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | value_tcr = sbus_readb(®s->p_tcr); |
| 331 | value_tcr &= ~P_TCR_DIR; |
| 332 | sbus_writeb(value_tcr, ®s->p_tcr); |
| 333 | |
| 334 | printk(KERN_INFO "%s: sunbpp at 0x%lx\n", p->name, p->base); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 336 | dev_set_drvdata(&op->dev, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 338 | parport_announce_port(p); |
| 339 | |
| 340 | return 0; |
| 341 | |
| 342 | out_put_port: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | parport_put_port(p); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 344 | |
| 345 | out_free_ops: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | kfree(ops); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 347 | |
| 348 | out_unmap: |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 349 | of_iounmap(&op->resource[0], base, size); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 350 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | return err; |
| 352 | } |
| 353 | |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 354 | static int __devexit bpp_remove(struct of_device *op) |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 355 | { |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 356 | struct parport *p = dev_get_drvdata(&op->dev); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 357 | struct parport_operations *ops = p->ops; |
| 358 | |
| 359 | parport_remove_port(p); |
| 360 | |
| 361 | if (p->irq != PARPORT_IRQ_NONE) { |
| 362 | parport_sunbpp_disable_irq(p); |
| 363 | free_irq(p->irq, p); |
| 364 | } |
| 365 | |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 366 | of_iounmap(&op->resource[0], (void __iomem *) p->base, p->size); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 367 | parport_put_port(p); |
| 368 | kfree(ops); |
| 369 | |
David S. Miller | 27167e0 | 2008-08-27 00:17:50 -0700 | [diff] [blame] | 370 | dev_set_drvdata(&op->dev, NULL); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 371 | |
| 372 | return 0; |
| 373 | } |
| 374 | |
David S. Miller | fd09831 | 2008-08-31 01:23:17 -0700 | [diff] [blame] | 375 | static const struct of_device_id bpp_match[] = { |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 376 | { |
| 377 | .name = "SUNW,bpp", |
| 378 | }, |
| 379 | {}, |
| 380 | }; |
| 381 | |
David S. Miller | 09ec431 | 2006-06-25 00:04:43 -0700 | [diff] [blame] | 382 | MODULE_DEVICE_TABLE(of, bpp_match); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 383 | |
| 384 | static struct of_platform_driver bpp_sbus_driver = { |
Grant Likely | 4018294 | 2010-04-13 16:13:02 -0700 | [diff] [blame] | 385 | .driver = { |
| 386 | .name = "bpp", |
| 387 | .owner = THIS_MODULE, |
| 388 | .of_match_table = bpp_match, |
| 389 | }, |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 390 | .probe = bpp_probe, |
| 391 | .remove = __devexit_p(bpp_remove), |
| 392 | }; |
| 393 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | static int __init parport_sunbpp_init(void) |
| 395 | { |
Grant Likely | 1ab1d63 | 2010-06-24 15:14:37 -0600 | [diff] [blame] | 396 | return of_register_platform_driver(&bpp_sbus_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | } |
| 398 | |
| 399 | static void __exit parport_sunbpp_exit(void) |
| 400 | { |
Grant Likely | 1ab1d63 | 2010-06-24 15:14:37 -0600 | [diff] [blame] | 401 | of_unregister_platform_driver(&bpp_sbus_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | } |
| 403 | |
| 404 | MODULE_AUTHOR("Derrick J Brashear"); |
| 405 | MODULE_DESCRIPTION("Parport Driver for Sparc bidirectional Port"); |
| 406 | MODULE_SUPPORTED_DEVICE("Sparc Bidirectional Parallel Port"); |
David S. Miller | 4f62d15 | 2006-06-23 22:22:13 -0700 | [diff] [blame] | 407 | MODULE_VERSION("2.0"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | MODULE_LICENSE("GPL"); |
| 409 | |
| 410 | module_init(parport_sunbpp_init) |
| 411 | module_exit(parport_sunbpp_exit) |