The somagic device uses the gm7113c chip to digitize analog video, this is a clone of the saa7113 chip.
The gm7113c can't be identified over i2c, so I can't rely on saa7115 autodetection. Signed-off-by: Jon Arne Jørgensen <jona...@jonarne.no> --- drivers/media/i2c/saa7115.c | 61 ++++++++++++++++++++++++++++++++++------- include/media/v4l2-chip-ident.h | 3 ++ 2 files changed, 54 insertions(+), 10 deletions(-) diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c index 6b6788c..e93b50a 100644 --- a/drivers/media/i2c/saa7115.c +++ b/drivers/media/i2c/saa7115.c @@ -54,7 +54,7 @@ MODULE_DESCRIPTION("Philips SAA7111/SAA7113/SAA7114/SAA7115/SAA7118 video decoder driver"); MODULE_AUTHOR( "Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, " - "Hans Verkuil, Mauro Carvalho Chehab"); + "Hans Verkuil, Mauro Carvalho Chehab, Jon Arne Jørgensen"); MODULE_LICENSE("GPL"); static bool debug; @@ -126,6 +126,7 @@ static int saa711x_has_reg(const int id, const u8 reg) return 0; switch (id) { + case V4L2_IDENT_GM7113C: case V4L2_IDENT_SAA7113: return reg != 0x14 && (reg < 0x18 || reg > 0x1e) && (reg < 0x20 || reg > 0x3f) && reg != 0x5d && reg < 0x63; @@ -292,7 +293,7 @@ static const unsigned char saa7115_cfg_reset_scaler[] = { 0x00, 0x00 }; -/* ============== SAA7715 VIDEO templates ============= */ +/* ============== SAA7115 VIDEO templates ============= */ static const unsigned char saa7115_cfg_60hz_video[] = { R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */ @@ -445,7 +446,27 @@ static const unsigned char saa7115_cfg_50hz_video[] = { 0x00, 0x00 }; -/* ============== SAA7715 VIDEO templates (end) ======= */ +/* ============== SAA7115 VIDEO templates (end) ======= */ + +/* ============== GM7113C VIDEO templates ============= */ + +static const unsigned char gm7113c_cfg_60hz_video[] = { + R_08_SYNC_CNTL, 0x68, /* 0xBO: auto detection, 0x68 = NTSC */ + R_0E_CHROMA_CNTL_1, 0x07, /* video autodetection is on */ + + R_5A_V_OFF_FOR_SLICER, 0x06, /* standard 60hz value for ITU656 line counting */ + 0x00, 0x00 +}; + +static const unsigned char gm7113c_cfg_50hz_video[] = { + R_08_SYNC_CNTL, 0x28, /* 0x28 = PAL */ + R_0E_CHROMA_CNTL_1, 0x07, + + R_5A_V_OFF_FOR_SLICER, 0x03, /* standard 50hz value */ + 0x00, 0x00 +}; + +/* ============== GM7113C VIDEO templates (end) ======= */ static const unsigned char saa7115_cfg_vbi_on[] = { R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */ @@ -927,11 +948,17 @@ static void saa711x_set_v4lstd(struct v4l2_subdev *sd, v4l2_std_id std) // This works for NTSC-M, SECAM-L and the 50Hz PAL variants. if (std & V4L2_STD_525_60) { v4l2_dbg(1, debug, sd, "decoder set standard 60 Hz\n"); - saa711x_writeregs(sd, saa7115_cfg_60hz_video); + if (state->ident == V4L2_IDENT_GM7113C) + saa711x_writeregs(sd, gm7113c_cfg_60hz_video); + else + saa711x_writeregs(sd, saa7115_cfg_60hz_video); saa711x_set_size(sd, 720, 480); } else { v4l2_dbg(1, debug, sd, "decoder set standard 50 Hz\n"); - saa711x_writeregs(sd, saa7115_cfg_50hz_video); + if (state->ident == V4L2_IDENT_GM7113C) + saa711x_writeregs(sd, gm7113c_cfg_50hz_video); + else + saa711x_writeregs(sd, saa7115_cfg_50hz_video); saa711x_set_size(sd, 720, 576); } @@ -944,7 +971,8 @@ static void saa711x_set_v4lstd(struct v4l2_subdev *sd, v4l2_std_id std) 011 NTSC N (3.58MHz) PAL M (3.58MHz) 100 reserved NTSC-Japan (3.58MHz) */ - if (state->ident <= V4L2_IDENT_SAA7113) { + if (state->ident <= V4L2_IDENT_SAA7113 || + state->ident == V4L2_IDENT_GM7113C) { u8 reg = saa711x_read(sd, R_0E_CHROMA_CNTL_1) & 0x8f; if (std == V4L2_STD_PAL_M) { @@ -1215,7 +1243,8 @@ static int saa711x_s_routing(struct v4l2_subdev *sd, input, output); /* saa7111/3 does not have these inputs */ - if (state->ident <= V4L2_IDENT_SAA7113 && + if ((state->ident <= V4L2_IDENT_SAA7113 || + state->ident == V4L2_IDENT_GM7113C) && (input == SAA7115_COMPOSITE4 || input == SAA7115_COMPOSITE5)) { return -EINVAL; @@ -1586,8 +1615,11 @@ static int saa711x_probe(struct i2c_client *client, chip_id = name[5]; + /* Check whether this chip is part of the saa711x series */ - if (memcmp(name + 1, "f711", 4)) { + if (memcmp(id->name + 1, "gm7113c", 7)) { + chip_id = 'c'; + } else if (memcmp(name + 1, "f711", 4)) { v4l_dbg(1, debug, client, "chip found @ 0x%x (ID %s) does not match a known saa711x chip.\n", client->addr << 1, name); return -ENODEV; @@ -1598,8 +1630,12 @@ static int saa711x_probe(struct i2c_client *client, v4l_warn(client, "found saa711%c while %s was expected\n", chip_id, id->name); } - snprintf(client->name, sizeof(client->name), "saa711%c", chip_id); - v4l_info(client, "saa711%c found (%s) @ 0x%x (%s)\n", chip_id, name, + if (chip_id == 'c') + snprintf(client->name, sizeof(client->name), "%s", id->name); + else + snprintf(client->name, sizeof(client->name), "saa711%c", chip_id); + + v4l_info(client, "%s found (%s) @ 0x%x (%s)\n", client->name, name, client->addr << 1, client->adapter->name); state = kzalloc(sizeof(struct saa711x_state), GFP_KERNEL); @@ -1645,6 +1681,9 @@ static int saa711x_probe(struct i2c_client *client, state->ident = V4L2_IDENT_SAA7111A; } break; + case 'c': + state->ident = V4L2_IDENT_GM7113C; + break; case '3': state->ident = V4L2_IDENT_SAA7113; break; @@ -1675,6 +1714,7 @@ static int saa711x_probe(struct i2c_client *client, saa711x_writeregs(sd, saa7111_init); break; case V4L2_IDENT_SAA7113: + case V4L2_IDENT_GM7113C: saa711x_writeregs(sd, saa7113_init); break; default: @@ -1711,6 +1751,7 @@ static const struct i2c_device_id saa711x_id[] = { { "saa7114", 0 }, { "saa7115", 0 }, { "saa7118", 0 }, + { "gm7113c", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, saa711x_id); diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h index 4ee125b..fc13d53 100644 --- a/include/media/v4l2-chip-ident.h +++ b/include/media/v4l2-chip-ident.h @@ -51,6 +51,9 @@ enum { V4L2_IDENT_SAA7114 = 104, V4L2_IDENT_SAA7115 = 105, V4L2_IDENT_SAA7118 = 108, + /* This chip is a chinese clone of the saa7113 chip, + * with some minor changes/bugs */ + V4L2_IDENT_GM7113C = 149, /* module saa7127: reserved range 150-199 */ V4L2_IDENT_SAA7127 = 157, -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html