diff options
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/tc358743.c | 32 | ||||
| -rw-r--r-- | drivers/media/i2c/tc358743_regs.h | 1 |
2 files changed, 13 insertions, 20 deletions
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index a35aaf8e08e7..257969a31baf 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -368,29 +368,21 @@ static void tc358743_set_hdmi_hdcp(struct v4l2_subdev *sd, bool enable) v4l2_dbg(2, debug, sd, "%s: %s\n", __func__, enable ? "enable" : "disable"); - i2c_wr8_and_or(sd, HDCP_REG1, - ~(MASK_AUTH_UNAUTH_SEL | MASK_AUTH_UNAUTH), - MASK_AUTH_UNAUTH_SEL_16_FRAMES | MASK_AUTH_UNAUTH_AUTO); + if (enable) { + i2c_wr8_and_or(sd, HDCP_REG3, ~KEY_RD_CMD, KEY_RD_CMD); - i2c_wr8_and_or(sd, HDCP_REG2, ~MASK_AUTO_P3_RESET, - SET_AUTO_P3_RESET_FRAMES(0x0f)); + i2c_wr8_and_or(sd, HDCP_MODE, ~MASK_MANUAL_AUTHENTICATION, 0); - /* HDCP is disabled by configuring the receiver as HDCP repeater. The - * repeater mode require software support to work, so HDCP - * authentication will fail. - */ - i2c_wr8_and_or(sd, HDCP_REG3, ~KEY_RD_CMD, enable ? KEY_RD_CMD : 0); - i2c_wr8_and_or(sd, HDCP_MODE, ~(MASK_AUTO_CLR | MASK_MODE_RST_TN), - enable ? (MASK_AUTO_CLR | MASK_MODE_RST_TN) : 0); + i2c_wr8_and_or(sd, HDCP_REG1, 0xff, + MASK_AUTH_UNAUTH_SEL_16_FRAMES | + MASK_AUTH_UNAUTH_AUTO); - /* Apple MacBook Pro gen.8 has a bug that makes it freeze every fifth - * second when HDCP is disabled, but the MAX_EXCED bit is handled - * correctly and HDCP is disabled on the HDMI output. - */ - i2c_wr8_and_or(sd, BSTATUS1, ~MASK_MAX_EXCED, - enable ? 0 : MASK_MAX_EXCED); - i2c_wr8_and_or(sd, BCAPS, ~(MASK_REPEATER | MASK_READY), - enable ? 0 : MASK_REPEATER | MASK_READY); + i2c_wr8_and_or(sd, HDCP_REG2, ~MASK_AUTO_P3_RESET, + SET_AUTO_P3_RESET_FRAMES(0x0f)); + } else { + i2c_wr8_and_or(sd, HDCP_MODE, ~MASK_MANUAL_AUTHENTICATION, + MASK_MANUAL_AUTHENTICATION); + } } static void tc358743_disable_edid(struct v4l2_subdev *sd) diff --git a/drivers/media/i2c/tc358743_regs.h b/drivers/media/i2c/tc358743_regs.h index 81f1db558e7c..657ef50f215f 100644 --- a/drivers/media/i2c/tc358743_regs.h +++ b/drivers/media/i2c/tc358743_regs.h @@ -420,6 +420,7 @@ #define MASK_MODE_RST_TN 0x20 #define MASK_LINE_REKEY 0x10 #define MASK_AUTO_CLR 0x04 +#define MASK_MANUAL_AUTHENTICATION 0x02 /* Not in REF_01 */ #define HDCP_REG1 0x8563 /* Not in REF_01 */ #define MASK_AUTH_UNAUTH_SEL 0x70 |