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path: root/drivers/video/pxafb.c
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Diffstat (limited to 'drivers/video/pxafb.c')
-rw-r--r--drivers/video/pxafb.c72
1 files changed, 43 insertions, 29 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 3ab6e3d973a1..fafe7db20d6d 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -355,9 +355,8 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
355 } 355 }
356 356
357#ifdef CONFIG_CPU_FREQ 357#ifdef CONFIG_CPU_FREQ
358 pr_debug("pxafb: dma period = %d ps, clock = %d kHz\n", 358 pr_debug("pxafb: dma period = %d ps\n",
359 pxafb_display_dma_period(var), 359 pxafb_display_dma_period(var));
360 get_clk_frequency_khz(0));
361#endif 360#endif
362 361
363 return 0; 362 return 0;
@@ -574,8 +573,8 @@ static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
574 dma_desc->fdadr = fbi->dma_buff_phys + dma_desc_off; 573 dma_desc->fdadr = fbi->dma_buff_phys + dma_desc_off;
575 fbi->fdadr[dma] = fbi->dma_buff_phys + dma_desc_off; 574 fbi->fdadr[dma] = fbi->dma_buff_phys + dma_desc_off;
576 } else { 575 } else {
577 pal_desc = &fbi->dma_buff->pal_desc[dma]; 576 pal_desc = &fbi->dma_buff->pal_desc[pal];
578 pal_desc_off = offsetof(struct pxafb_dma_buff, dma_desc[pal]); 577 pal_desc_off = offsetof(struct pxafb_dma_buff, pal_desc[pal]);
579 578
580 pal_desc->fsadr = fbi->dma_buff_phys + pal * PALETTE_SIZE; 579 pal_desc->fsadr = fbi->dma_buff_phys + pal * PALETTE_SIZE;
581 pal_desc->fidr = 0; 580 pal_desc->fidr = 0;
@@ -1247,7 +1246,7 @@ static int pxafb_resume(struct platform_device *dev)
1247 * cache. Once this area is remapped, all virtual memory 1246 * cache. Once this area is remapped, all virtual memory
1248 * access to the video memory should occur at the new region. 1247 * access to the video memory should occur at the new region.
1249 */ 1248 */
1250static int __init pxafb_map_video_memory(struct pxafb_info *fbi) 1249static int __devinit pxafb_map_video_memory(struct pxafb_info *fbi)
1251{ 1250{
1252 /* 1251 /*
1253 * We reserve one page for the palette, plus the size 1252 * We reserve one page for the palette, plus the size
@@ -1277,6 +1276,8 @@ static int __init pxafb_map_video_memory(struct pxafb_info *fbi)
1277 fbi->dma_buff_phys = fbi->map_dma; 1276 fbi->dma_buff_phys = fbi->map_dma;
1278 fbi->palette_cpu = (u16 *) fbi->dma_buff->palette; 1277 fbi->palette_cpu = (u16 *) fbi->dma_buff->palette;
1279 1278
1279 pr_debug("pxafb: palette_mem_size = 0x%08lx\n", fbi->palette_size*sizeof(u16));
1280
1280#ifdef CONFIG_FB_PXA_SMARTPANEL 1281#ifdef CONFIG_FB_PXA_SMARTPANEL
1281 fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff; 1282 fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
1282 fbi->n_smart_cmds = 0; 1283 fbi->n_smart_cmds = 0;
@@ -1301,8 +1302,8 @@ static void pxafb_decode_mode_info(struct pxafb_info *fbi,
1301 } 1302 }
1302} 1303}
1303 1304
1304static int pxafb_decode_mach_info(struct pxafb_info *fbi, 1305static void pxafb_decode_mach_info(struct pxafb_info *fbi,
1305 struct pxafb_mach_info *inf) 1306 struct pxafb_mach_info *inf)
1306{ 1307{
1307 unsigned int lcd_conn = inf->lcd_conn; 1308 unsigned int lcd_conn = inf->lcd_conn;
1308 1309
@@ -1333,7 +1334,7 @@ static int pxafb_decode_mach_info(struct pxafb_info *fbi,
1333 fbi->lccr0 = inf->lccr0; 1334 fbi->lccr0 = inf->lccr0;
1334 fbi->lccr3 = inf->lccr3; 1335 fbi->lccr3 = inf->lccr3;
1335 fbi->lccr4 = inf->lccr4; 1336 fbi->lccr4 = inf->lccr4;
1336 return -EINVAL; 1337 goto decode_mode;
1337 } 1338 }
1338 1339
1339 if (lcd_conn == LCD_MONO_STN_8BPP) 1340 if (lcd_conn == LCD_MONO_STN_8BPP)
@@ -1343,16 +1344,15 @@ static int pxafb_decode_mach_info(struct pxafb_info *fbi,
1343 fbi->lccr3 |= (lcd_conn & LCD_BIAS_ACTIVE_LOW) ? LCCR3_OEP : 0; 1344 fbi->lccr3 |= (lcd_conn & LCD_BIAS_ACTIVE_LOW) ? LCCR3_OEP : 0;
1344 fbi->lccr3 |= (lcd_conn & LCD_PCLK_EDGE_FALL) ? LCCR3_PCP : 0; 1345 fbi->lccr3 |= (lcd_conn & LCD_PCLK_EDGE_FALL) ? LCCR3_PCP : 0;
1345 1346
1347decode_mode:
1346 pxafb_decode_mode_info(fbi, inf->modes, inf->num_modes); 1348 pxafb_decode_mode_info(fbi, inf->modes, inf->num_modes);
1347 return 0;
1348} 1349}
1349 1350
1350static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev) 1351static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
1351{ 1352{
1352 struct pxafb_info *fbi; 1353 struct pxafb_info *fbi;
1353 void *addr; 1354 void *addr;
1354 struct pxafb_mach_info *inf = dev->platform_data; 1355 struct pxafb_mach_info *inf = dev->platform_data;
1355 struct pxafb_mode_info *mode = inf->modes;
1356 1356
1357 /* Alloc the pxafb_info and pseudo_palette in one step */ 1357 /* Alloc the pxafb_info and pseudo_palette in one step */
1358 fbi = kmalloc(sizeof(struct pxafb_info) + sizeof(u32) * 16, GFP_KERNEL); 1358 fbi = kmalloc(sizeof(struct pxafb_info) + sizeof(u32) * 16, GFP_KERNEL);
@@ -1410,7 +1410,7 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
1410} 1410}
1411 1411
1412#ifdef CONFIG_FB_PXA_PARAMETERS 1412#ifdef CONFIG_FB_PXA_PARAMETERS
1413static int __init parse_opt_mode(struct device *dev, const char *this_opt) 1413static int __devinit parse_opt_mode(struct device *dev, const char *this_opt)
1414{ 1414{
1415 struct pxafb_mach_info *inf = dev->platform_data; 1415 struct pxafb_mach_info *inf = dev->platform_data;
1416 1416
@@ -1469,7 +1469,7 @@ done:
1469 return 0; 1469 return 0;
1470} 1470}
1471 1471
1472static int __init parse_opt(struct device *dev, char *this_opt) 1472static int __devinit parse_opt(struct device *dev, char *this_opt)
1473{ 1473{
1474 struct pxafb_mach_info *inf = dev->platform_data; 1474 struct pxafb_mach_info *inf = dev->platform_data;
1475 struct pxafb_mode_info *mode = &inf->modes[0]; 1475 struct pxafb_mode_info *mode = &inf->modes[0];
@@ -1567,7 +1567,7 @@ static int __init parse_opt(struct device *dev, char *this_opt)
1567 return 0; 1567 return 0;
1568} 1568}
1569 1569
1570static int __init pxafb_parse_options(struct device *dev, char *options) 1570static int __devinit pxafb_parse_options(struct device *dev, char *options)
1571{ 1571{
1572 char *this_opt; 1572 char *this_opt;
1573 int ret; 1573 int ret;
@@ -1588,8 +1588,8 @@ static int __init pxafb_parse_options(struct device *dev, char *options)
1588 1588
1589static char g_options[256] __devinitdata = ""; 1589static char g_options[256] __devinitdata = "";
1590 1590
1591#ifndef CONFIG_MODULES 1591#ifndef MODULE
1592static int __devinit pxafb_setup_options(void) 1592static int __init pxafb_setup_options(void)
1593{ 1593{
1594 char *options = NULL; 1594 char *options = NULL;
1595 1595
@@ -1613,7 +1613,7 @@ MODULE_PARM_DESC(options, "LCD parameters (see Documentation/fb/pxafb.txt)");
1613#define pxafb_setup_options() (0) 1613#define pxafb_setup_options() (0)
1614#endif 1614#endif
1615 1615
1616static int __init pxafb_probe(struct platform_device *dev) 1616static int __devinit pxafb_probe(struct platform_device *dev)
1617{ 1617{
1618 struct pxafb_info *fbi; 1618 struct pxafb_info *fbi;
1619 struct pxafb_mach_info *inf; 1619 struct pxafb_mach_info *inf;
@@ -1685,14 +1685,14 @@ static int __init pxafb_probe(struct platform_device *dev)
1685 if (r == NULL) { 1685 if (r == NULL) {
1686 dev_err(&dev->dev, "no I/O memory resource defined\n"); 1686 dev_err(&dev->dev, "no I/O memory resource defined\n");
1687 ret = -ENODEV; 1687 ret = -ENODEV;
1688 goto failed; 1688 goto failed_fbi;
1689 } 1689 }
1690 1690
1691 r = request_mem_region(r->start, r->end - r->start + 1, dev->name); 1691 r = request_mem_region(r->start, r->end - r->start + 1, dev->name);
1692 if (r == NULL) { 1692 if (r == NULL) {
1693 dev_err(&dev->dev, "failed to request I/O memory\n"); 1693 dev_err(&dev->dev, "failed to request I/O memory\n");
1694 ret = -EBUSY; 1694 ret = -EBUSY;
1695 goto failed; 1695 goto failed_fbi;
1696 } 1696 }
1697 1697
1698 fbi->mmio_base = ioremap(r->start, r->end - r->start + 1); 1698 fbi->mmio_base = ioremap(r->start, r->end - r->start + 1);
@@ -1735,8 +1735,17 @@ static int __init pxafb_probe(struct platform_device *dev)
1735 * This makes sure that our colour bitfield 1735 * This makes sure that our colour bitfield
1736 * descriptors are correctly initialised. 1736 * descriptors are correctly initialised.
1737 */ 1737 */
1738 pxafb_check_var(&fbi->fb.var, &fbi->fb); 1738 ret = pxafb_check_var(&fbi->fb.var, &fbi->fb);
1739 pxafb_set_par(&fbi->fb); 1739 if (ret) {
1740 dev_err(&dev->dev, "failed to get suitable mode\n");
1741 goto failed_free_irq;
1742 }
1743
1744 ret = pxafb_set_par(&fbi->fb);
1745 if (ret) {
1746 dev_err(&dev->dev, "Failed to set parameters\n");
1747 goto failed_free_irq;
1748 }
1740 1749
1741 platform_set_drvdata(dev, fbi); 1750 platform_set_drvdata(dev, fbi);
1742 1751
@@ -1744,7 +1753,7 @@ static int __init pxafb_probe(struct platform_device *dev)
1744 if (ret < 0) { 1753 if (ret < 0) {
1745 dev_err(&dev->dev, 1754 dev_err(&dev->dev,
1746 "Failed to register framebuffer device: %d\n", ret); 1755 "Failed to register framebuffer device: %d\n", ret);
1747 goto failed_free_irq; 1756 goto failed_free_cmap;
1748 } 1757 }
1749 1758
1750#ifdef CONFIG_CPU_FREQ 1759#ifdef CONFIG_CPU_FREQ
@@ -1763,18 +1772,23 @@ static int __init pxafb_probe(struct platform_device *dev)
1763 1772
1764 return 0; 1773 return 0;
1765 1774
1775failed_free_cmap:
1776 if (fbi->fb.cmap.len)
1777 fb_dealloc_cmap(&fbi->fb.cmap);
1766failed_free_irq: 1778failed_free_irq:
1767 free_irq(irq, fbi); 1779 free_irq(irq, fbi);
1768failed_free_res:
1769 release_mem_region(r->start, r->end - r->start + 1);
1770failed_free_io:
1771 iounmap(fbi->mmio_base);
1772failed_free_mem: 1780failed_free_mem:
1773 dma_free_writecombine(&dev->dev, fbi->map_size, 1781 dma_free_writecombine(&dev->dev, fbi->map_size,
1774 fbi->map_cpu, fbi->map_dma); 1782 fbi->map_cpu, fbi->map_dma);
1775failed: 1783failed_free_io:
1784 iounmap(fbi->mmio_base);
1785failed_free_res:
1786 release_mem_region(r->start, r->end - r->start + 1);
1787failed_fbi:
1788 clk_put(fbi->clk);
1776 platform_set_drvdata(dev, NULL); 1789 platform_set_drvdata(dev, NULL);
1777 kfree(fbi); 1790 kfree(fbi);
1791failed:
1778 return ret; 1792 return ret;
1779} 1793}
1780 1794
@@ -1787,7 +1801,7 @@ static struct platform_driver pxafb_driver = {
1787 }, 1801 },
1788}; 1802};
1789 1803
1790static int __devinit pxafb_init(void) 1804static int __init pxafb_init(void)
1791{ 1805{
1792 if (pxafb_setup_options()) 1806 if (pxafb_setup_options())
1793 return -EINVAL; 1807 return -EINVAL;