Applied! http://git.linuxtv.org/cgit.cgi/anttip/media_tree.git/log/?h=silabs
Antti On 07/13/2014 04:52 PM, Olli Salonen wrote:
Signed-off-by: Olli Salonen <[email protected]> --- drivers/media/dvb-frontends/si2168.c | 34 ++++++++++++++++++++++++++----- drivers/media/dvb-frontends/si2168_priv.h | 4 +++- 2 files changed, 32 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index bae7771..268fce3 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -333,7 +333,7 @@ static int si2168_init(struct dvb_frontend *fe) struct si2168 *s = fe->demodulator_priv; int ret, len, remaining; const struct firmware *fw = NULL; - u8 *fw_file = SI2168_FIRMWARE; + u8 *fw_file; const unsigned int i2c_wr_max = 8; struct si2168_cmd cmd; @@ -353,6 +353,7 @@ static int si2168_init(struct dvb_frontend *fe) if (ret) goto err; + /* query chip revision */ memcpy(cmd.args, "\x02", 1); cmd.wlen = 1; cmd.rlen = 13; @@ -360,6 +361,20 @@ static int si2168_init(struct dvb_frontend *fe) if (ret) goto err; + if (((cmd.args[1] & 0x0f) == 2) && (cmd.args[3] == '4') && + (cmd.args[4] == '0')) + fw_file = SI2168_B40_FIRMWARE; + else if (((cmd.args[1] & 0x0f) == 1) && (cmd.args[3] == '3') && + (cmd.args[4] == '0')) + fw_file = SI2168_A30_FIRMWARE; + else { + dev_err(&s->client->dev, + "%s: no firmware file for Si2168-%c%c defined\n", + KBUILD_MODNAME, cmd.args[3], cmd.args[4]); + ret = -EINVAL; + goto err; + } + /* cold state - try to download firmware */ dev_info(&s->client->dev, "%s: found a '%s' in cold state\n", KBUILD_MODNAME, si2168_ops.info.name); @@ -367,9 +382,18 @@ static int si2168_init(struct dvb_frontend *fe) /* request the firmware, this will block and timeout */ ret = request_firmware(&fw, fw_file, &s->client->dev); if (ret) { - dev_err(&s->client->dev, "%s: firmare file '%s' not found\n", - KBUILD_MODNAME, fw_file); - goto err; + /* fallback mechanism to handle old name for + SI2168_B40_FIRMWARE */ + if (((cmd.args[1] & 0x0f) == 2) && (cmd.args[3] == '4') && + (cmd.args[4] == '0')) { + fw_file = SI2168_B40_FIRMWARE_FALLBACK; + ret = request_firmware(&fw, fw_file, &s->client->dev); + } + if (ret) { + dev_err(&s->client->dev, "%s: firmware file '%s' not found\n", + KBUILD_MODNAME, fw_file); + goto err; + } } dev_info(&s->client->dev, "%s: downloading firmware from file '%s'\n", @@ -629,4 +653,4 @@ module_i2c_driver(si2168_driver); MODULE_AUTHOR("Antti Palosaari <[email protected]>"); MODULE_DESCRIPTION("Silicon Labs Si2168 DVB-T/T2/C demodulator driver"); MODULE_LICENSE("GPL"); -MODULE_FIRMWARE(SI2168_FIRMWARE); +MODULE_FIRMWARE(SI2168_B40_FIRMWARE); diff --git a/drivers/media/dvb-frontends/si2168_priv.h b/drivers/media/dvb-frontends/si2168_priv.h index 97f9d87..bebb68a 100644 --- a/drivers/media/dvb-frontends/si2168_priv.h +++ b/drivers/media/dvb-frontends/si2168_priv.h @@ -22,7 +22,9 @@ #include <linux/firmware.h> #include <linux/i2c-mux.h> -#define SI2168_FIRMWARE "dvb-demod-si2168-02.fw" +#define SI2168_A30_FIRMWARE "dvb-demod-si2168-a30-01.fw" +#define SI2168_B40_FIRMWARE "dvb-demod-si2168-b40-01.fw" +#define SI2168_B40_FIRMWARE_FALLBACK "dvb-demod-si2168-02.fw" /* state struct */ struct si2168 {
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