diff options
| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2013-03-22 18:34:03 +0400 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-04-22 14:32:43 +0400 |
| commit | 6579324a41cc414009a601738b70a53d6376325c (patch) | |
| tree | 61b3491351217d07ff75851c6d989bf02b213383 /drivers/gpu/host1x/dev.c | |
| parent | 7ede0b0bf3e2595d40d6195b6fe4c4dcef438830 (diff) | |
| download | linux-6579324a41cc414009a601738b70a53d6376325c.tar.xz | |
gpu: host1x: Add channel support
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>
Diffstat (limited to 'drivers/gpu/host1x/dev.c')
| -rw-r--r-- | drivers/gpu/host1x/dev.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index b967f6e8df55..4e522c532bc8 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -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"); |