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media: hantro: allow arbitrary number of clocks

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Dynamically allocate clocks and move clock names out of struct
hantro_variant. This lifts the four clock limit and allows to use
ARRAY_SIZE() to fill .num_clocks to reduce the risk of mismatches.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Philipp Zabel 2019-06-12 05:39:12 -04:00 committed by Mauro Carvalho Chehab
parent c330d37113
commit b86b8473d5
4 changed files with 19 additions and 8 deletions
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6
drivers/staging/media/hantro/hantro.h
View File

@ -25,8 +25,6 @@
#include "hantro_hw.h"
#define HANTRO_MAX_CLOCKS 4
#define MPEG2_MB_DIM 16
#define MPEG2_MB_WIDTH(w) DIV_ROUND_UP(w, MPEG2_MB_DIM)
#define MPEG2_MB_HEIGHT(h) DIV_ROUND_UP(h, MPEG2_MB_DIM)
@ -88,7 +86,7 @@ struct hantro_variant {
int (*runtime_resume)(struct hantro_dev *vpu);
const struct hantro_irq *irqs;
int num_irqs;
const char *clk_names[HANTRO_MAX_CLOCKS];
const char * const *clk_names;
int num_clocks;
const char * const *reg_names;
int num_regs;
@ -182,7 +180,7 @@ struct hantro_dev {
struct hantro_func *decoder;
struct platform_device *pdev;
struct device *dev;
struct clk_bulk_data clocks[HANTRO_MAX_CLOCKS];
struct clk_bulk_data *clocks;
void __iomem **reg_bases;
void __iomem *enc_base;
void __iomem *dec_base;

5
drivers/staging/media/hantro/hantro_drv.c
View File

@ -687,6 +687,11 @@ static int hantro_probe(struct platform_device *pdev)
INIT_DELAYED_WORK(&vpu->watchdog_work, hantro_watchdog);
vpu->clocks = devm_kcalloc(&pdev->dev, vpu->variant->num_clocks,
sizeof(*vpu->clocks), GFP_KERNEL);
if (!vpu->clocks)
return -ENOMEM;
for (i = 0; i < vpu->variant->num_clocks; i++)
vpu->clocks[i].id = vpu->variant->clk_names[i];
ret = devm_clk_bulk_get(&pdev->dev, vpu->variant->num_clocks,

8
drivers/staging/media/hantro/rk3288_vpu_hw.c
View File

@ -166,6 +166,10 @@ static const struct hantro_irq rk3288_irqs[] = {
{ "vdpu", rk3288_vdpu_irq },
};
static const char * const rk3288_clk_names[] = {
"aclk", "hclk"
};
const struct hantro_variant rk3288_vpu_variant = {
.enc_offset = 0x0,
.enc_fmts = rk3288_vpu_enc_fmts,
@ -178,6 +182,6 @@ const struct hantro_variant rk3288_vpu_variant = {
.irqs = rk3288_irqs,
.num_irqs = ARRAY_SIZE(rk3288_irqs),
.init = rk3288_vpu_hw_init,
.clk_names = {"aclk", "hclk"},
.num_clocks = 2
.clk_names = rk3288_clk_names,
.num_clocks = ARRAY_SIZE(rk3288_clk_names)
};

8
drivers/staging/media/hantro/rk3399_vpu_hw.c
View File

@ -165,6 +165,10 @@ static const struct hantro_irq rk3399_irqs[] = {
{ "vdpu", rk3399_vdpu_irq },
};
static const char * const rk3399_clk_names[] = {
"aclk", "hclk"
};
const struct hantro_variant rk3399_vpu_variant = {
.enc_offset = 0x0,
.enc_fmts = rk3399_vpu_enc_fmts,
@ -177,6 +181,6 @@ const struct hantro_variant rk3399_vpu_variant = {
.irqs = rk3399_irqs,
.num_irqs = ARRAY_SIZE(rk3399_irqs),
.init = rk3399_vpu_hw_init,
.clk_names = {"aclk", "hclk"},
.num_clocks = 2
.clk_names = rk3399_clk_names,
.num_clocks = ARRAY_SIZE(rk3399_clk_names)
};