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authorDmitry Baryshkov <dbaryshkov@gmail.com>2008-10-03 18:50:36 -0400
committerSamuel Ortiz <samuel@sortiz.org>2008-10-19 16:54:11 -0400
commit9e78cfe53f3c2bc1b37870697c3cde1543fefa8b (patch)
tree00b5c90b5c687b1f6d58fed7f03d3843a36dd73b /drivers/mfd/tc6393xb.c
parent51a55623565c6ca864f7cf19e87c2d4bde1c0c5e (diff)
mfd: support tmiofb cell on tc6393xb
Add support for tmiofb cell found in tc6393xb chip. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Ian Molton <spyro@f2s.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'drivers/mfd/tc6393xb.c')
-rw-r--r--drivers/mfd/tc6393xb.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 6197db7d4859..f856e9463a9f 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -114,6 +114,7 @@ enum {
114 TC6393XB_CELL_NAND, 114 TC6393XB_CELL_NAND,
115 TC6393XB_CELL_MMC, 115 TC6393XB_CELL_MMC,
116 TC6393XB_CELL_OHCI, 116 TC6393XB_CELL_OHCI,
117 TC6393XB_CELL_FB,
117}; 118};
118 119
119/*--------------------------------------------------------------------------*/ 120/*--------------------------------------------------------------------------*/
@@ -199,6 +200,29 @@ const static struct resource tc6393xb_ohci_resources[] = {
199 }, 200 },
200}; 201};
201 202
203static struct resource __devinitdata tc6393xb_fb_resources[] = {
204 {
205 .start = 0x5000,
206 .end = 0x51ff,
207 .flags = IORESOURCE_MEM,
208 },
209 {
210 .start = 0x0500,
211 .end = 0x05ff,
212 .flags = IORESOURCE_MEM,
213 },
214 {
215 .start = 0x100000,
216 .end = 0x1fffff,
217 .flags = IORESOURCE_MEM,
218 },
219 {
220 .start = IRQ_TC6393_FB,
221 .end = IRQ_TC6393_FB,
222 .flags = IORESOURCE_IRQ,
223 },
224};
225
202static int tc6393xb_ohci_enable(struct platform_device *dev) 226static int tc6393xb_ohci_enable(struct platform_device *dev)
203{ 227{
204 struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent); 228 struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
@@ -243,6 +267,81 @@ static int tc6393xb_ohci_disable(struct platform_device *dev)
243 return 0; 267 return 0;
244} 268}
245 269
270static int tc6393xb_fb_enable(struct platform_device *dev)
271{
272 struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
273 unsigned long flags;
274 u16 ccr;
275
276 spin_lock_irqsave(&tc6393xb->lock, flags);
277
278 ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
279 ccr &= ~SCR_CCR_MCLK_MASK;
280 ccr |= SCR_CCR_MCLK_48;
281 tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
282
283 spin_unlock_irqrestore(&tc6393xb->lock, flags);
284
285 return 0;
286}
287
288static int tc6393xb_fb_disable(struct platform_device *dev)
289{
290 struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
291 unsigned long flags;
292 u16 ccr;
293
294 spin_lock_irqsave(&tc6393xb->lock, flags);
295
296 ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
297 ccr &= ~SCR_CCR_MCLK_MASK;
298 ccr |= SCR_CCR_MCLK_OFF;
299 tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
300
301 spin_unlock_irqrestore(&tc6393xb->lock, flags);
302
303 return 0;
304}
305
306int tc6393xb_lcd_set_power(struct platform_device *fb, bool on)
307{
308 struct platform_device *dev = to_platform_device(fb->dev.parent);
309 struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
310 u8 fer;
311 unsigned long flags;
312
313 spin_lock_irqsave(&tc6393xb->lock, flags);
314
315 fer = ioread8(tc6393xb->scr + SCR_FER);
316 if (on)
317 fer |= SCR_FER_SLCDEN;
318 else
319 fer &= ~SCR_FER_SLCDEN;
320 iowrite8(fer, tc6393xb->scr + SCR_FER);
321
322 spin_unlock_irqrestore(&tc6393xb->lock, flags);
323
324 return 0;
325}
326EXPORT_SYMBOL(tc6393xb_lcd_set_power);
327
328int tc6393xb_lcd_mode(struct platform_device *fb,
329 const struct fb_videomode *mode) {
330 struct platform_device *dev = to_platform_device(fb->dev.parent);
331 struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
332 unsigned long flags;
333
334 spin_lock_irqsave(&tc6393xb->lock, flags);
335
336 iowrite16(mode->pixclock, tc6393xb->scr + SCR_PLL1CR + 0);
337 iowrite16(mode->pixclock >> 16, tc6393xb->scr + SCR_PLL1CR + 2);
338
339 spin_unlock_irqrestore(&tc6393xb->lock, flags);
340
341 return 0;
342}
343EXPORT_SYMBOL(tc6393xb_lcd_mode);
344
246static struct mfd_cell __devinitdata tc6393xb_cells[] = { 345static struct mfd_cell __devinitdata tc6393xb_cells[] = {
247 [TC6393XB_CELL_NAND] = { 346 [TC6393XB_CELL_NAND] = {
248 .name = "tmio-nand", 347 .name = "tmio-nand",
@@ -264,6 +363,15 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
264 .resume = tc6393xb_ohci_enable, 363 .resume = tc6393xb_ohci_enable,
265 .disable = tc6393xb_ohci_disable, 364 .disable = tc6393xb_ohci_disable,
266 }, 365 },
366 [TC6393XB_CELL_FB] = {
367 .name = "tmio-fb",
368 .num_resources = ARRAY_SIZE(tc6393xb_fb_resources),
369 .resources = tc6393xb_fb_resources,
370 .enable = tc6393xb_fb_enable,
371 .suspend = tc6393xb_fb_disable,
372 .resume = tc6393xb_fb_enable,
373 .disable = tc6393xb_fb_disable,
374 },
267}; 375};
268 376
269/*--------------------------------------------------------------------------*/ 377/*--------------------------------------------------------------------------*/
@@ -547,6 +655,7 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
547 &tc6393xb_cells[TC6393XB_CELL_NAND]; 655 &tc6393xb_cells[TC6393XB_CELL_NAND];
548 tc6393xb_cells[TC6393XB_CELL_NAND].data_size = 656 tc6393xb_cells[TC6393XB_CELL_NAND].data_size =
549 sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]); 657 sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]);
658
550 tc6393xb_cells[TC6393XB_CELL_MMC].platform_data = 659 tc6393xb_cells[TC6393XB_CELL_MMC].platform_data =
551 &tc6393xb_cells[TC6393XB_CELL_MMC]; 660 &tc6393xb_cells[TC6393XB_CELL_MMC];
552 tc6393xb_cells[TC6393XB_CELL_MMC].data_size = 661 tc6393xb_cells[TC6393XB_CELL_MMC].data_size =
@@ -557,6 +666,11 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
557 tc6393xb_cells[TC6393XB_CELL_OHCI].data_size = 666 tc6393xb_cells[TC6393XB_CELL_OHCI].data_size =
558 sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]); 667 sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]);
559 668
669 tc6393xb_cells[TC6393XB_CELL_FB].driver_data = tcpd->fb_data;
670 tc6393xb_cells[TC6393XB_CELL_FB].platform_data =
671 &tc6393xb_cells[TC6393XB_CELL_FB];
672 tc6393xb_cells[TC6393XB_CELL_FB].data_size =
673 sizeof(tc6393xb_cells[TC6393XB_CELL_FB]);
560 674
561 ret = mfd_add_devices(&dev->dev, dev->id, 675 ret = mfd_add_devices(&dev->dev, dev->id,
562 tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells), 676 tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),