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Message-Id: <20210511180728.23781-4-jonathan@marek.ca>
Date: Tue, 11 May 2021 14:07:10 -0400
From: Jonathan Marek <jonathan@...ek.ca>
To: linux-arm-msm@...r.kernel.org
Cc: robert.foss@...aro.org, andrey.konovalov@...aro.org,
Todor Tomov <todor.too@...il.com>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-media@...r.kernel.org (open list:QUALCOMM CAMERA SUBSYSTEM DRIVER),
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 03/17] media: camss: csiphy-3ph: add support for SM8250 CSI DPHY
Add support for CSIPHY (2PH/DPHY mode) found on SM8250 hardware.
Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
.../qcom/camss/camss-csiphy-3ph-1-0.c | 144 +++++++++++++++++-
1 file changed, 137 insertions(+), 7 deletions(-)
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
index 783b65295d20..61947576ddfb 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
@@ -62,6 +62,7 @@ struct csiphy_reg_t {
u32 csiphy_param_type;
};
+/* GEN2 1.0 2PH */
static const struct
csiphy_reg_t lane_regs_sdm845[5][14] = {
{
@@ -146,6 +147,121 @@ csiphy_reg_t lane_regs_sdm845[5][14] = {
},
};
+/* GEN2 1.2.1 2PH */
+static const struct
+csiphy_reg_t lane_regs_sm8250[5][20] = {
+ {
+ {0x0030, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0900, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0908, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0904, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0904, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0034, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0010, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x001C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0008, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x0000, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x000c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0028, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0024, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ },
+ {
+ {0x0730, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C80, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C88, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C84, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C84, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0704, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0734, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0710, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x071C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0708, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x0700, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x070c, 0xA5, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0738, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0714, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0724, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ },
+ {
+ {0x0230, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0A00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0A08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0A04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0A04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0204, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0234, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0210, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x021C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0208, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x0200, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x020c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0238, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0214, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0228, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0224, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ },
+ {
+ {0x0430, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0B00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0B08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0B04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0B04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0434, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0410, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x041C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0408, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x0400, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x040c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0428, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0424, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ },
+ {
+ {0x0630, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0C04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0604, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0634, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0610, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x061C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0608, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x0600, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x060c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0638, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0614, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0628, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0624, 0x00, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ },
+};
+
static void csiphy_hw_version_read(struct csiphy_device *csiphy,
struct device *dev)
{
@@ -298,13 +414,23 @@ static void csiphy_gen1_config_lanes(struct csiphy_device *csiphy,
static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy,
u8 settle_cnt)
{
- int i, l;
- u32 val;
+ const struct csiphy_reg_t *r;
+ int i, l, array_size;
+ u32 val, lane_enable;
+
+ switch (csiphy->camss->version) {
+ case CAMSS_845:
+ r = &lane_regs_sdm845[0][0];
+ array_size = ARRAY_SIZE(lane_regs_sdm845[0]);
+ break;
+ case CAMSS_8250:
+ r = &lane_regs_sm8250[0][0];
+ array_size = ARRAY_SIZE(lane_regs_sm8250[0]);
+ break;
+ }
for (l = 0; l < 5; l++) {
- for (i = 0; i < 14; i++) {
- const struct csiphy_reg_t *r = &lane_regs_sdm845[l][i];
-
+ for (i = 0; i < array_size; i++, r++) {
switch (r->csiphy_param_type) {
case CSIPHY_SETTLE_CNT_LOWER_BYTE:
val = settle_cnt & 0xff;
@@ -331,7 +457,10 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy,
settle_cnt = csiphy_settle_cnt_calc(link_freq, csiphy->timer_clk_rate);
- val = BIT(c->clk.pos);
+ if (csiphy->camss->version == CAMSS_8250)
+ val = BIT(7);
+ else
+ val = BIT(c->clk.pos);
for (i = 0; i < c->num_data; i++)
val |= BIT(c->data[i].pos * 2);
@@ -349,7 +478,8 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy,
if (csiphy->camss->version == CAMSS_8x16 ||
csiphy->camss->version == CAMSS_8x96)
csiphy_gen1_config_lanes(csiphy, cfg, settle_cnt);
- else if (csiphy->camss->version == CAMSS_845)
+ else if (csiphy->camss->version == CAMSS_845 ||
+ csiphy->camss->version == CAMSS_8250)
csiphy_gen2_config_lanes(csiphy, settle_cnt);
/* IRQ_MASK registers - disable all interrupts */
--
2.26.1
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