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gpu: host1x: Add channel support

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Add support for host1x client modules, and host1x channels to submit
work to the clients.

Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
This commit is contained in:
Terje Bergstrom
2013-03-22 16:34:03 +02:00
committed by Thierry Reding
parent 7ede0b0bf3
commit 6579324a41
25 changed files with 2913 additions and 1 deletions
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17
drivers/gpu/host1x/dev.c
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@@ -29,6 +29,7 @@
#include "dev.h"
#include "intr.h"
#include "channel.h"
#include "hw/host1x01.h"
void host1x_sync_writel(struct host1x *host1x, u32 v, u32 r)
@@ -45,6 +46,16 @@ u32 host1x_sync_readl(struct host1x *host1x, u32 r)
return readl(sync_regs + r);
}
void host1x_ch_writel(struct host1x_channel *ch, u32 v, u32 r)
{
writel(v, ch->regs + r);
}
u32 host1x_ch_readl(struct host1x_channel *ch, u32 r)
{
return readl(ch->regs + r);
}
static const struct host1x_info host1x01_info = {
.nb_channels = 8,
.nb_pts = 32,
@@ -112,6 +123,12 @@ static int host1x_probe(struct platform_device *pdev)
return err;
}
err = host1x_channel_list_init(host);
if (err) {
dev_err(&pdev->dev, "failed to initialize channel list\n");
return err;
}
err = clk_prepare_enable(host->clk);
if (err < 0) {
dev_err(&pdev->dev, "failed to enable clock\n");