msm: dma: convert per-target ifdefs to platform data
Converting to platform data allows us to be compiled for more than one
target at a time.
Change-Id: I9bc0426d33d4c7fdbadeba7254a9832924bf055c
Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org>
diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index ddf7732..ad1aecd 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -57,6 +57,8 @@
struct msm_dmov_crci_conf *crci_conf;
struct msm_dmov_chan_conf *chan_conf;
int channel_active;
+ int sd;
+ size_t sd_size;
struct list_head ready_commands[MSM_DMOV_CHANNEL_COUNT];
struct list_head active_commands[MSM_DMOV_CHANNEL_COUNT];
spinlock_t lock;
@@ -185,7 +187,8 @@
#endif
#define MSM_DMOV_ID_COUNT (MSM_DMOV_CHANNEL_COUNT * ARRAY_SIZE(dmov_conf))
-#define DMOV_REG(name, adm) ((name) + (dmov_conf[adm].base))
+#define DMOV_REG(name, adm) ((name) + (dmov_conf[adm].base) +\
+ (dmov_conf[adm].sd * dmov_conf[adm].sd_size))
#define DMOV_ID_TO_ADM(id) ((id) / MSM_DMOV_CHANNEL_COUNT)
#define DMOV_ID_TO_CHAN(id) ((id) % MSM_DMOV_CHANNEL_COUNT)
#define DMOV_CHAN_ADM_TO_ID(ch, adm) ((ch) + (adm) * MSM_DMOV_CHANNEL_COUNT)
@@ -620,33 +623,46 @@
int adm = (pdev->id >= 0) ? pdev->id : 0;
int i;
int ret;
- struct resource *res =
+ struct msm_dmov_pdata *pdata = pdev->dev.platform_data;
+ struct resource *irqres =
platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ struct resource *mres =
+ platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res) {
- dmov_conf[adm].irq = res->start;
- dmov_conf[adm].base = (void *)res->end;
+ if (pdata) {
+ dmov_conf[adm].sd = pdata->sd;
+ dmov_conf[adm].sd_size = pdata->sd_size;
}
- if (!dmov_conf[adm].base || !dmov_conf[adm].irq)
+ if (!dmov_conf[adm].sd_size)
return -ENXIO;
+ if (!irqres || !irqres->start)
+ return -ENXIO;
+ dmov_conf[adm].irq = irqres->start;
+
+ if (!mres || !mres->start)
+ return -ENXIO;
+ dmov_conf[adm].base = ioremap_nocache(mres->start, resource_size(mres));
+ if (!dmov_conf[adm].base)
+ return -ENOMEM;
+
ret = request_irq(dmov_conf[adm].irq, msm_datamover_irq_handler,
0, "msmdatamover", NULL);
if (ret) {
PRINT_ERROR("Requesting ADM%d irq %d failed\n", adm,
dmov_conf[adm].irq);
- return ret;
+ goto out_map;
}
disable_irq(dmov_conf[adm].irq);
ret = msm_dmov_init_clocks(pdev);
if (ret) {
PRINT_ERROR("Requesting ADM%d clocks failed\n", adm);
- return -ENOENT;
+ goto out_irq;
}
ret = msm_dmov_clk_toggle(adm, 1);
if (ret) {
PRINT_ERROR("Enabling ADM%d clocks failed\n", adm);
- return -ENOENT;
+ goto out_irq;
}
config_datamover(adm);
@@ -661,6 +677,11 @@
wmb();
msm_dmov_clk_toggle(adm, 0);
return ret;
+out_irq:
+ free_irq(dmov_conf[adm].irq, NULL);
+out_map:
+ iounmap(dmov_conf[adm].base);
+ return ret;
}
static struct platform_driver msm_dmov_driver = {