From 147e110bb69a5eaee83bab133d7f7cc4ee050808 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sun, 10 Jul 2011 08:24:26 -0300 Subject: [PATCH] [media] drxk: Fix the antenna switch logic Terratec H5 doesn't require to switch mode, but generates an error due to this logic. Also, GPIO's are board-dependent. So, add it at the board config struct. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/drxk.h | 21 ++++++++++++++++++--- drivers/media/dvb/frontends/drxk_hard.c | 21 ++++++++++----------- drivers/media/dvb/frontends/drxk_hard.h | 9 +++++---- 3 files changed, 33 insertions(+), 18 deletions(-) diff --git a/drivers/media/dvb/frontends/drxk.h b/drivers/media/dvb/frontends/drxk.h index 9c99f31369ce..67589b607c4e 100644 --- a/drivers/media/dvb/frontends/drxk.h +++ b/drivers/media/dvb/frontends/drxk.h @@ -4,10 +4,25 @@ #include #include +/** + * struct drxk_config - Configure the initial parameters for DRX-K + * + * adr: I2C Address of the DRX-K + * single_master: Device is on the single master mode + * no_i2c_bridge: Don't switch the I2C bridge to talk with tuner + * antenna_uses_gpio: Use GPIO to control the antenna + * antenna_dvbc: GPIO for changing antenna to DVB-C + * antenna_dvbt: GPIO for changing antenna to DVB-T + * microcode_name: Name of the firmware file with the microcode + */ struct drxk_config { - u8 adr; - u32 single_master : 1; - u32 no_i2c_bridge : 1; + u8 adr; + bool single_master; + bool no_i2c_bridge; + + bool antenna_uses_gpio; + u16 antenna_dvbc, antenna_dvbt; + const char *microcode_name; }; diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c index 1d29ed23154f..91f3296917fa 100644 --- a/drivers/media/dvb/frontends/drxk_hard.c +++ b/drivers/media/dvb/frontends/drxk_hard.c @@ -618,6 +618,10 @@ int PowerUpDevice(struct drxk_state *state) static int init_state(struct drxk_state *state) { + /* + * FIXME: most (all?) of the values bellow should be moved into + * struct drxk_config, as they are probably board-specific + */ u32 ulVSBIfAgcMode = DRXK_AGC_CTRL_AUTO; u32 ulVSBIfAgcOutputLevel = 0; u32 ulVSBIfAgcMinLevel = 0; @@ -672,10 +676,6 @@ static int init_state(struct drxk_state *state) u32 ulRfMirror = 1; u32 ulPowerDown = 0; - u32 ulAntennaDVBT = 1; - u32 ulAntennaDVBC = 0; - u32 ulAntennaSwitchDVBTDVBC = 0; - dprintk(1, "\n"); state->m_hasLNA = false; @@ -858,11 +858,6 @@ static int init_state(struct drxk_state *state) state->m_GPIOCfg = (ulGPIOCfg); state->m_GPIO = (ulGPIO == 0 ? 0 : 1); - state->m_AntennaDVBT = (ulAntennaDVBT == 0 ? 0 : 1); - state->m_AntennaDVBC = (ulAntennaDVBC == 0 ? 0 : 1); - state->m_AntennaSwitchDVBTDVBC = - (ulAntennaSwitchDVBTDVBC == 0 ? 0 : 1); - state->m_bPowerDown = false; state->m_currentPowerMode = DRX_POWER_DOWN; @@ -5819,9 +5814,10 @@ static int WriteGPIO(struct drxk_state *state) static int SwitchAntennaToQAM(struct drxk_state *state) { - int status = -EINVAL; + int status = 0; dprintk(1, "\n"); + if (state->m_AntennaSwitchDVBTDVBC != 0) { if (state->m_GPIO != state->m_AntennaDVBC) { state->m_GPIO = state->m_AntennaDVBC; @@ -5835,7 +5831,7 @@ static int SwitchAntennaToQAM(struct drxk_state *state) static int SwitchAntennaToDVBT(struct drxk_state *state) { - int status = -EINVAL; + int status = 0; dprintk(1, "\n"); if (state->m_AntennaSwitchDVBTDVBC != 0) { @@ -6344,6 +6340,9 @@ struct dvb_frontend *drxk_attach(const struct drxk_config *config, state->single_master = config->single_master; state->microcode_name = config->microcode_name; state->no_i2c_bridge = config->no_i2c_bridge; + state->m_AntennaSwitchDVBTDVBC = config->antenna_uses_gpio; + state->m_AntennaDVBC = config->antenna_dvbc; + state->m_AntennaDVBT = config->antenna_dvbt; mutex_init(&state->mutex); mutex_init(&state->ctlock); diff --git a/drivers/media/dvb/frontends/drxk_hard.h b/drivers/media/dvb/frontends/drxk_hard.h index b042755188c4..8b29dc89f58b 100644 --- a/drivers/media/dvb/frontends/drxk_hard.h +++ b/drivers/media/dvb/frontends/drxk_hard.h @@ -321,16 +321,17 @@ struct drxk_state { u8 m_deviceSpin; u32 m_iqmRcRate; - u16 m_AntennaDVBC; - u16 m_AntennaDVBT; - u16 m_AntennaSwitchDVBTDVBC; - enum DRXPowerMode m_currentPowerMode; /* Configurable parameters at the driver */ + bool m_AntennaSwitchDVBTDVBC; + u16 m_AntennaDVBC; + u16 m_AntennaDVBT; + u32 single_master : 1; /* Use single master i2c mode */ u32 no_i2c_bridge : 1; /* Tuner is not on port 1, don't use I2C bridge */ + const char *microcode_name; }; -- 2.45.2