diff options
| author | Andreas Regel <andreas.regel@gmx.de> | 2010-01-05 19:22:07 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 15:10:36 -0300 |
| commit | f91e59cb5e6add13d4e45c5cc8d45a614e1dc8e4 (patch) | |
| tree | de4b04afb55fcaf55885dd725d891a4a86215766 /drivers/media/dvb/frontends | |
| parent | c369b7c2820dcad91b1354362097f6d8f9cf9307 (diff) | |
V4L/DVB (13979): [STV090x] Added possibility to set a fixed TS output clock.
This could be useful for p.e. Common Interface applications where data rate is limited.
Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends')
| -rw-r--r-- | drivers/media/dvb/frontends/stv090x.c | 65 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/stv090x.h | 2 |
2 files changed, 67 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c index 2a25dd15b7fd..93be76ced896 100644 --- a/drivers/media/dvb/frontends/stv090x.c +++ b/drivers/media/dvb/frontends/stv090x.c @@ -4199,6 +4199,71 @@ static int stv090x_set_tspath(struct stv090x_state *state) default: break; } + + if (state->config->ts1_clk > 0) { + u32 speed; + + switch (state->config->ts1_mode) { + case STV090x_TSMODE_PARALLEL_PUNCTURED: + case STV090x_TSMODE_DVBCI: + default: + speed = state->internal->mclk / + (state->config->ts1_clk / 4); + if (speed < 0x08) + speed = 0x08; + if (speed > 0xFF) + speed = 0xFF; + break; + case STV090x_TSMODE_SERIAL_PUNCTURED: + case STV090x_TSMODE_SERIAL_CONTINUOUS: + speed = state->internal->mclk / + (state->config->ts1_clk / 32); + if (speed < 0x20) + speed = 0x20; + if (speed > 0xFF) + speed = 0xFF; + break; + } + reg = stv090x_read_reg(state, STV090x_P1_TSCFGM); + STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3); + if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0) + goto err; + if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0) + goto err; + } + + if (state->config->ts2_clk > 0) { + u32 speed; + + switch (state->config->ts2_mode) { + case STV090x_TSMODE_PARALLEL_PUNCTURED: + case STV090x_TSMODE_DVBCI: + default: + speed = state->internal->mclk / + (state->config->ts2_clk / 4); + if (speed < 0x08) + speed = 0x08; + if (speed > 0xFF) + speed = 0xFF; + break; + case STV090x_TSMODE_SERIAL_PUNCTURED: + case STV090x_TSMODE_SERIAL_CONTINUOUS: + speed = state->internal->mclk / + (state->config->ts2_clk / 32); + if (speed < 0x20) + speed = 0x20; + if (speed > 0xFF) + speed = 0xFF; + break; + } + reg = stv090x_read_reg(state, STV090x_P2_TSCFGM); + STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3); + if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0) + goto err; + if (stv090x_write_reg(state, STV090x_P2_TSSPEED, speed) < 0) + goto err; + } + reg = stv090x_read_reg(state, STV090x_P2_TSCFGH); STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01); if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0) diff --git a/drivers/media/dvb/frontends/stv090x.h b/drivers/media/dvb/frontends/stv090x.h index e009183ad772..96e3dc758e08 100644 --- a/drivers/media/dvb/frontends/stv090x.h +++ b/drivers/media/dvb/frontends/stv090x.h @@ -70,6 +70,8 @@ struct stv090x_config { u8 ts1_mode; u8 ts2_mode; + u32 ts1_clk; + u32 ts2_clk; enum stv090x_i2crpt repeater_level; |