Commit b4053a20 authored by Bryan O'Donoghue's avatar Bryan O'Donoghue Committed by Mauro Carvalho Chehab
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media: venus: core: Add io base variables for each block



New silicon means that the pre-determined offsets we have been using
in this driver no longer hold. Existing blocks of registers can exist at
different offsets relative to the IO base address.

This commit adds a routine to assign the IO base hooks a subsequent commit
will convert from absolute to relative addressing.

Signed-off-by: default avatarBryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 0aeabfa2
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+12 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@
#include "core.h"
#include "firmware.h"
#include "pm_helpers.h"
#include "hfi_venus_io.h"

static void venus_coredump(struct venus_core *core)
{
@@ -207,6 +208,15 @@ static int venus_enumerate_codecs(struct venus_core *core, u32 type)
	return ret;
}

static void venus_assign_register_offsets(struct venus_core *core)
{
	core->vbif_base = core->base + VBIF_BASE;
	core->cpu_base = core->base + CPU_BASE;
	core->cpu_cs_base = core->base + CPU_CS_BASE;
	core->cpu_ic_base = core->base + CPU_IC_BASE;
	core->wrapper_base = core->base + WRAPPER_BASE;
}

static int venus_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
@@ -273,6 +283,8 @@ static int venus_probe(struct platform_device *pdev)
	if (ret)
		goto err_core_put;

	venus_assign_register_offsets(core);

	ret = v4l2_device_register(dev, &core->v4l2_dev);
	if (ret)
		goto err_core_deinit;
+10 −0
Original line number Diff line number Diff line
@@ -90,6 +90,11 @@ struct venus_format {
 * struct venus_core - holds core parameters valid for all instances
 *
 * @base:	IO memory base address
 * @vbif_base	IO memory vbif base address
 * @cpu_base	IO memory cpu base address
 * @cpu_cs_base	IO memory cpu_cs base address
 * @cpu_ic_base	IO memory cpu_ic base address
 * @wrapper_base	IO memory wrapper base address
 * @irq:		Venus irq
 * @clks:	an array of struct clk pointers
 * @vcodec0_clks: an array of vcodec0 struct clk pointers
@@ -122,6 +127,11 @@ struct venus_format {
 */
struct venus_core {
	void __iomem *base;
	void __iomem *vbif_base;
	void __iomem *cpu_base;
	void __iomem *cpu_cs_base;
	void __iomem *cpu_ic_base;
	void __iomem *wrapper_base;
	int irq;
	struct clk *clks[VIDC_CLKS_NUM_MAX];
	struct clk *vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];