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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/gpu/ipu-v3/ipu-common.c
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/gpu/ipu-v3/ipu-common.c')
-rw-r--r--kernel/drivers/gpu/ipu-v3/ipu-common.c104
1 files changed, 59 insertions, 45 deletions
diff --git a/kernel/drivers/gpu/ipu-v3/ipu-common.c b/kernel/drivers/gpu/ipu-v3/ipu-common.c
index 67bab5c36..a0e28f3a2 100644
--- a/kernel/drivers/gpu/ipu-v3/ipu-common.c
+++ b/kernel/drivers/gpu/ipu-v3/ipu-common.c
@@ -28,6 +28,7 @@
#include <linux/irqchip/chained_irq.h>
#include <linux/irqdomain.h>
#include <linux/of_device.h>
+#include <linux/of_graph.h>
#include <drm/drm_fourcc.h>
@@ -57,10 +58,15 @@ EXPORT_SYMBOL_GPL(ipu_srm_dp_sync_update);
enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc)
{
switch (drm_fourcc) {
+ case DRM_FORMAT_ARGB1555:
+ case DRM_FORMAT_ABGR1555:
+ case DRM_FORMAT_RGBA5551:
+ case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_RGB888:
case DRM_FORMAT_BGR888:
+ case DRM_FORMAT_ARGB4444:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_RGBX8888:
@@ -912,11 +918,11 @@ static void ipu_irq_handle(struct ipu_soc *ipu, const int *regs, int num_regs)
}
}
-static void ipu_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ipu_irq_handler(struct irq_desc *desc)
{
struct ipu_soc *ipu = irq_desc_get_handler_data(desc);
+ struct irq_chip *chip = irq_desc_get_chip(desc);
const int int_reg[] = { 0, 1, 2, 3, 10, 11, 12, 13, 14};
- struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
@@ -925,11 +931,11 @@ static void ipu_irq_handler(unsigned int irq, struct irq_desc *desc)
chained_irq_exit(chip, desc);
}
-static void ipu_err_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ipu_err_irq_handler(struct irq_desc *desc)
{
struct ipu_soc *ipu = irq_desc_get_handler_data(desc);
+ struct irq_chip *chip = irq_desc_get_chip(desc);
const int int_reg[] = { 4, 5, 8, 9};
- struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
@@ -988,12 +994,26 @@ static void platform_device_unregister_children(struct platform_device *pdev)
struct ipu_platform_reg {
struct ipu_client_platformdata pdata;
const char *name;
- int reg_offset;
};
+/* These must be in the order of the corresponding device tree port nodes */
static const struct ipu_platform_reg client_reg[] = {
{
.pdata = {
+ .csi = 0,
+ .dma[0] = IPUV3_CHANNEL_CSI0,
+ .dma[1] = -EINVAL,
+ },
+ .name = "imx-ipuv3-camera",
+ }, {
+ .pdata = {
+ .csi = 1,
+ .dma[0] = IPUV3_CHANNEL_CSI1,
+ .dma[1] = -EINVAL,
+ },
+ .name = "imx-ipuv3-camera",
+ }, {
+ .pdata = {
.di = 0,
.dc = 5,
.dp = IPU_DP_FLOW_SYNC_BG,
@@ -1010,22 +1030,6 @@ static const struct ipu_platform_reg client_reg[] = {
.dma[1] = -EINVAL,
},
.name = "imx-ipuv3-crtc",
- }, {
- .pdata = {
- .csi = 0,
- .dma[0] = IPUV3_CHANNEL_CSI0,
- .dma[1] = -EINVAL,
- },
- .reg_offset = IPU_CM_CSI0_REG_OFS,
- .name = "imx-ipuv3-camera",
- }, {
- .pdata = {
- .csi = 1,
- .dma[0] = IPUV3_CHANNEL_CSI1,
- .dma[1] = -EINVAL,
- },
- .reg_offset = IPU_CM_CSI1_REG_OFS,
- .name = "imx-ipuv3-camera",
},
};
@@ -1046,22 +1050,33 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
for (i = 0; i < ARRAY_SIZE(client_reg); i++) {
const struct ipu_platform_reg *reg = &client_reg[i];
struct platform_device *pdev;
- struct resource res;
-
- if (reg->reg_offset) {
- memset(&res, 0, sizeof(res));
- res.flags = IORESOURCE_MEM;
- res.start = ipu_base + ipu->devtype->cm_ofs + reg->reg_offset;
- res.end = res.start + PAGE_SIZE - 1;
- pdev = platform_device_register_resndata(dev, reg->name,
- id++, &res, 1, &reg->pdata, sizeof(reg->pdata));
- } else {
- pdev = platform_device_register_data(dev, reg->name,
- id++, &reg->pdata, sizeof(reg->pdata));
+ struct device_node *of_node;
+
+ /* Associate subdevice with the corresponding port node */
+ of_node = of_graph_get_port_by_id(dev->of_node, i);
+ if (!of_node) {
+ dev_info(dev,
+ "no port@%d node in %s, not using %s%d\n",
+ i, dev->of_node->full_name,
+ (i / 2) ? "DI" : "CSI", i % 2);
+ continue;
+ }
+
+ pdev = platform_device_alloc(reg->name, id++);
+ if (!pdev) {
+ ret = -ENOMEM;
+ goto err_register;
}
- if (IS_ERR(pdev)) {
- ret = PTR_ERR(pdev);
+ pdev->dev.of_node = of_node;
+ pdev->dev.parent = dev;
+
+ ret = platform_device_add_data(pdev, &reg->pdata,
+ sizeof(reg->pdata));
+ if (!ret)
+ ret = platform_device_add(pdev);
+ if (ret) {
+ platform_device_put(pdev);
goto err_register;
}
}
@@ -1099,14 +1114,16 @@ static int ipu_irq_init(struct ipu_soc *ipu)
}
ret = irq_alloc_domain_generic_chips(ipu->domain, 32, 1, "IPU",
- handle_level_irq, 0,
- IRQF_VALID, 0);
+ handle_level_irq, 0, 0, 0);
if (ret < 0) {
dev_err(ipu->dev, "failed to alloc generic irq chips\n");
irq_domain_remove(ipu->domain);
return ret;
}
+ for (i = 0; i < IPU_NUM_IRQS; i += 32)
+ ipu_cm_write(ipu, 0, IPU_INT_CTRL(i / 32));
+
for (i = 0; i < IPU_NUM_IRQS; i += 32) {
gc = irq_get_domain_generic_chip(ipu->domain, i);
gc->reg_base = ipu->cm_reg;
@@ -1119,10 +1136,9 @@ static int ipu_irq_init(struct ipu_soc *ipu)
ct->regs.mask = IPU_INT_CTRL(i / 32);
}
- irq_set_chained_handler(ipu->irq_sync, ipu_irq_handler);
- irq_set_handler_data(ipu->irq_sync, ipu);
- irq_set_chained_handler(ipu->irq_err, ipu_err_irq_handler);
- irq_set_handler_data(ipu->irq_err, ipu);
+ irq_set_chained_handler_and_data(ipu->irq_sync, ipu_irq_handler, ipu);
+ irq_set_chained_handler_and_data(ipu->irq_err, ipu_err_irq_handler,
+ ipu);
return 0;
}
@@ -1131,10 +1147,8 @@ static void ipu_irq_exit(struct ipu_soc *ipu)
{
int i, irq;
- irq_set_chained_handler(ipu->irq_err, NULL);
- irq_set_handler_data(ipu->irq_err, NULL);
- irq_set_chained_handler(ipu->irq_sync, NULL);
- irq_set_handler_data(ipu->irq_sync, NULL);
+ irq_set_chained_handler_and_data(ipu->irq_err, NULL, NULL);
+ irq_set_chained_handler_and_data(ipu->irq_sync, NULL, NULL);
/* TODO: remove irq_domain_generic_chips */