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Subject[PATCH 2/3] media: meson: vdec: add sm1 platform
Date
Add support for the Amlogic SM1 platform for the current MPEG1 & MPEG2
support.

The SM1 family, very close to the G12A SoCs, has a slighly different power
management control, thus needing a separate compatible and family id.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
drivers/staging/media/meson/vdec/vdec.c | 5 +++-
drivers/staging/media/meson/vdec/vdec_1.c | 29 ++++++++++++++----
.../staging/media/meson/vdec/vdec_platform.c | 30 +++++++++++++++++++
.../staging/media/meson/vdec/vdec_platform.h | 2 ++
4 files changed, 59 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c
index 875a12be9c9e..a8a4c380ccc9 100644
--- a/drivers/staging/media/meson/vdec/vdec.c
+++ b/drivers/staging/media/meson/vdec/vdec.c
@@ -958,6 +958,8 @@ static const struct of_device_id vdec_dt_match[] = {
.data = &vdec_platform_gxl },
{ .compatible = "amlogic,g12a-vdec",
.data = &vdec_platform_g12a },
+ { .compatible = "amlogic,sm1-vdec",
+ .data = &vdec_platform_sm1 },
{}
};
MODULE_DEVICE_TABLE(of, vdec_dt_match);
@@ -1008,7 +1010,8 @@ static int vdec_probe(struct platform_device *pdev)
of_id = of_match_node(vdec_dt_match, dev->of_node);
core->platform = of_id->data;

- if (core->platform->revision == VDEC_REVISION_G12A) {
+ if (core->platform->revision == VDEC_REVISION_G12A ||
+ core->platform->revision == VDEC_REVISION_SM1) {
core->vdec_hevcf_clk = devm_clk_get(dev, "vdec_hevcf");
if (IS_ERR(core->vdec_hevcf_clk))
return -EPROBE_DEFER;
diff --git a/drivers/staging/media/meson/vdec/vdec_1.c b/drivers/staging/media/meson/vdec/vdec_1.c
index 3a15c6fc0567..3fe2de0c9331 100644
--- a/drivers/staging/media/meson/vdec/vdec_1.c
+++ b/drivers/staging/media/meson/vdec/vdec_1.c
@@ -18,6 +18,7 @@
#define AO_RTI_GEN_PWR_SLEEP0 0xe8
#define AO_RTI_GEN_PWR_ISO0 0xec
#define GEN_PWR_VDEC_1 (BIT(3) | BIT(2))
+ #define GEN_PWR_VDEC_1_SM1 (BIT(1))

#define MC_SIZE (4096 * 4)

@@ -142,12 +143,20 @@ static int vdec_1_stop(struct amvdec_session *sess)
amvdec_read_dos(core, DOS_SW_RESET0);

/* enable vdec1 isolation */
- regmap_write(core->regmap_ao, AO_RTI_GEN_PWR_ISO0, 0xc0);
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ GEN_PWR_VDEC_1_SM1, GEN_PWR_VDEC_1_SM1);
+ else
+ regmap_write(core->regmap_ao, AO_RTI_GEN_PWR_ISO0, 0xc0);
/* power off vdec1 memories */
amvdec_write_dos(core, DOS_MEM_PD_VDEC, 0xffffffff);
/* power off vdec1 */
- regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VDEC_1, GEN_PWR_VDEC_1);
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1_SM1, GEN_PWR_VDEC_1_SM1);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1, GEN_PWR_VDEC_1);

clk_disable_unprepare(core->vdec_1_clk);

@@ -170,8 +179,12 @@ static int vdec_1_start(struct amvdec_session *sess)
return ret;

/* Enable power for VDEC_1 */
- regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VDEC_1, 0);
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1_SM1, 0);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1, 0);
usleep_range(10, 20);

/* Reset VDEC1 */
@@ -183,7 +196,11 @@ static int vdec_1_start(struct amvdec_session *sess)
/* enable VDEC Memories */
amvdec_write_dos(core, DOS_MEM_PD_VDEC, 0);
/* Remove VDEC1 Isolation */
- regmap_write(core->regmap_ao, AO_RTI_GEN_PWR_ISO0, 0);
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ GEN_PWR_VDEC_1_SM1, 0);
+ else
+ regmap_write(core->regmap_ao, AO_RTI_GEN_PWR_ISO0, 0);
/* Reset DOS top registers */
amvdec_write_dos(core, DOS_VDEC_MCRCC_STALL_CTRL, 0);

diff --git a/drivers/staging/media/meson/vdec/vdec_platform.c b/drivers/staging/media/meson/vdec/vdec_platform.c
index 7845a889ce24..ea39f8209ec7 100644
--- a/drivers/staging/media/meson/vdec/vdec_platform.c
+++ b/drivers/staging/media/meson/vdec/vdec_platform.c
@@ -106,6 +106,30 @@ static const struct amvdec_format vdec_formats_g12a[] = {
},
};

+static const struct amvdec_format vdec_formats_sm1[] = {
+ {
+ .pixfmt = V4L2_PIX_FMT_MPEG1,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG2,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ },
+};
+
const struct vdec_platform vdec_platform_gxbb = {
.formats = vdec_formats_gxbb,
.num_formats = ARRAY_SIZE(vdec_formats_gxbb),
@@ -129,3 +153,9 @@ const struct vdec_platform vdec_platform_g12a = {
.num_formats = ARRAY_SIZE(vdec_formats_g12a),
.revision = VDEC_REVISION_G12A,
};
+
+const struct vdec_platform vdec_platform_sm1 = {
+ .formats = vdec_formats_sm1,
+ .num_formats = ARRAY_SIZE(vdec_formats_sm1),
+ .revision = VDEC_REVISION_SM1,
+};
diff --git a/drivers/staging/media/meson/vdec/vdec_platform.h b/drivers/staging/media/meson/vdec/vdec_platform.h
index 7c61b941b39f..731877a771f4 100644
--- a/drivers/staging/media/meson/vdec/vdec_platform.h
+++ b/drivers/staging/media/meson/vdec/vdec_platform.h
@@ -16,6 +16,7 @@ enum vdec_revision {
VDEC_REVISION_GXL,
VDEC_REVISION_GXM,
VDEC_REVISION_G12A,
+ VDEC_REVISION_SM1,
};

struct vdec_platform {
@@ -28,5 +29,6 @@ extern const struct vdec_platform vdec_platform_gxbb;
extern const struct vdec_platform vdec_platform_gxm;
extern const struct vdec_platform vdec_platform_gxl;
extern const struct vdec_platform vdec_platform_g12a;
+extern const struct vdec_platform vdec_platform_sm1;

#endif
--
2.22.0
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