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kernel_linux
提交 8c66a19d 编写于 作者: S Steven Toth 提交者： Mauro Carvalho Chehab
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V4L/DVB (7868): mxl5005s: Cleanup #5 

Cleanup #5
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>
上级 85d220d0
隐藏空白更改
内联 并排
Showing with 181 addition and 222 deletion
drivers/media/common/tuners/mxl5005s.c
浏览文件 @ 8c66a19d
......@@ -24,10 +24,10 @@
#include "mxl5005s.h"
static int debug;
static int debug = 2;
#define dprintk(level, arg...) do { \
if (debug >= level) \
if (level <= debug) \
printk(arg); \
} while (0)
......@@ -43,13 +43,6 @@ static int debug;
#define MXLCTRL_NUM 189
#define MASTER_CONTROL_ADDR 9
/* Enumeration of AGC Mode */
typedef enum
{
MXL_DUAL_AGC = 0,
MXL_SINGLE_AGC
} AGC_Mode;
/* Enumeration of Master Control Register State */
typedef enum
{
......@@ -59,51 +52,6 @@ typedef enum
MC_SEQ_OFF
} Master_Control_State;
/* Enumeration of MXL5005 Tuner Mode */
typedef enum
{
MXL_ANALOG_MODE = 0,
MXL_DIGITAL_MODE
} Tuner_Mode;
/* Enumeration of MXL5005 Tuner IF Mode */
typedef enum
{
MXL_ZERO_IF = 0,
MXL_LOW_IF
} Tuner_IF_Mode;
/* Enumeration of MXL5005 Tuner Clock Out Mode */
typedef enum
{
MXL_CLOCK_OUT_DISABLE = 0,
MXL_CLOCK_OUT_ENABLE
} Tuner_Clock_Out;
/* Enumeration of MXL5005 Tuner Div Out Mode */
typedef enum
{
MXL_DIV_OUT_1 = 0,
MXL_DIV_OUT_4
} Tuner_Div_Out;
/* Enumeration of MXL5005 Tuner Pull-up Cap Select Mode */
typedef enum
{
MXL_CAP_SEL_DISABLE = 0,
MXL_CAP_SEL_ENABLE
} Tuner_Cap_Select;
/* Enumeration of MXL5005 Tuner RSSI Mode */
typedef enum
{
MXL_RSSI_DISABLE = 0,
MXL_RSSI_ENABLE
} Tuner_RSSI;
/* Enumeration of MXL5005 Tuner Modulation Type */
typedef enum
{
......@@ -115,22 +63,6 @@ typedef enum
MXL_ANALOG_OTA
} Tuner_Modu_Type;
/* Enumeration of MXL5005 Tuner Tracking Filter Type */
typedef enum
{
MXL_TF_DEFAULT = 0,
MXL_TF_OFF,
MXL_TF_C,
MXL_TF_C_H,
MXL_TF_D,
MXL_TF_D_L,
MXL_TF_E,
MXL_TF_F,
MXL_TF_E_2,
MXL_TF_E_NA,
MXL_TF_G
} Tuner_TF_Type;
/* MXL5005 Tuner Register Struct */
typedef struct _TunerReg_struct
{
......@@ -261,33 +193,6 @@ enum
};
#define MXL5005S_BANDWIDTH_MODE_NUM 3
/* Top modes */
enum
{
MXL5005S_TOP_5P5 = 55,
MXL5005S_TOP_7P2 = 72,
MXL5005S_TOP_9P2 = 92,
MXL5005S_TOP_11P0 = 110,
MXL5005S_TOP_12P9 = 129,
MXL5005S_TOP_14P7 = 147,
MXL5005S_TOP_16P8 = 168,
MXL5005S_TOP_19P4 = 194,
MXL5005S_TOP_21P2 = 212,
MXL5005S_TOP_23P2 = 232,
MXL5005S_TOP_25P2 = 252,
MXL5005S_TOP_27P1 = 271,
MXL5005S_TOP_29P2 = 292,
MXL5005S_TOP_31P7 = 317,
MXL5005S_TOP_34P9 = 349,
};
/* IF output load */
enum
{
MXL5005S_IF_OUTPUT_LOAD_200_OHM = 200,
MXL5005S_IF_OUTPUT_LOAD_300_OHM = 300,
};
/* MXL5005 Tuner Control Struct */
typedef struct _TunerControl_struct {
u16 Ctrl_Num; /* Control Number */
......@@ -342,8 +247,7 @@ struct mxl5005s_state
TunerRegs[TUNER_REGS_NUM]; /* Tuner Register Array Pointer */
/* Linux driver framework specific */
const struct mxl5005s_config *config;
struct mxl5005s_config *config;
struct dvb_frontend *frontend;
struct i2c_adapter *i2c;
};
......@@ -367,11 +271,11 @@ void MXL_SynthRFTGLO_Calc(struct dvb_frontend *fe);
u16 MXL_GetCHRegister_ZeroIF(struct dvb_frontend *fe, u8 *RegNum, u8 *RegVal, int *count);
int mxl5005s_SetRegsWithTable(struct dvb_frontend *fe, u8 *pAddrTable, u8 *pByteTable, int TableLen);
u16 MXL_IFSynthInit(struct dvb_frontend *fe);
int mxl5005s_AssignTunerMode(struct dvb_frontend *fe);
int mxl5005s_SetRfFreqHz(struct dvb_frontend *fe, unsigned long RfFreqHz)
{
struct mxl5005s_state *state = fe->tuner_priv;
u8 AgcMasterByte = state->config->AgcMasterByte;
unsigned char AddrTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
unsigned char ByteTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
int TableLen;
......@@ -402,13 +306,13 @@ int mxl5005s_SetRfFreqHz(struct dvb_frontend *fe, unsigned long RfFreqHz)
MXL_GetMasterControl(&MasterControlByte, MC_LOAD_START) ;
AddrTable[TableLen] = MASTER_CONTROL_ADDR ;
ByteTable[TableLen] = MasterControlByte | AgcMasterByte;
ByteTable[TableLen] = MasterControlByte | state->config->AgcMasterByte;
TableLen += 1;
mxl5005s_SetRegsWithTable(fe, AddrTable, ByteTable, TableLen);
// Wait 30 ms.
msleep(30);
msleep(150);
// Tuner RF frequency setting stage 2
MXL_ControlWrite(fe, SEQ_FSM_PULSE, 1) ;
......@@ -417,39 +321,56 @@ int mxl5005s_SetRfFreqHz(struct dvb_frontend *fe, unsigned long RfFreqHz)
MXL_GetMasterControl(&MasterControlByte, MC_LOAD_START) ;
AddrTable[TableLen] = MASTER_CONTROL_ADDR ;
ByteTable[TableLen] = MasterControlByte | AgcMasterByte ;
ByteTable[TableLen] = MasterControlByte | state->config->AgcMasterByte ;
TableLen += 1;
mxl5005s_SetRegsWithTable(fe, AddrTable, ByteTable, TableLen);
msleep(100);
return 0;
}
/* Write a single byte to a single reg */
static int mxl5005s_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
static int mxl5005s_reset(struct dvb_frontend *fe)
{
struct mxl5005s_state *state = fe->tuner_priv;
u8 buf[2] = { reg, val };
int ret = 0;
u8 buf[2] = { 0xff, 0x00 };
struct i2c_msg msg = { .addr = state->config->i2c_address, .flags = 0,
.buf = buf, .len = 2 };
dprintk(2, "%s()\n", __func__);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(state->i2c, &msg, 1) != 1) {
printk(KERN_WARNING "mxl5005s I2C write failed\n");
return -EREMOTEIO;
printk(KERN_WARNING "mxl5005s I2C reset failed\n");
ret = -EREMOTEIO;
}
return 0;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
return ret;
}
/* Write a word to a single reg */
static int mxl5005s_writereg16(struct dvb_frontend *fe, u8 reg, u16 val)
/* Write a single byte to a single reg */
static int mxl5005s_writereg(struct dvb_frontend *fe, u8 reg, u8 val, int latch)
{
struct mxl5005s_state *state = fe->tuner_priv;
u8 buf[3] = { reg, val >> 8 , val & 0xff };
u8 buf[3] = { reg, val, MXL5005S_LATCH_BYTE };
struct i2c_msg msg = { .addr = state->config->i2c_address, .flags = 0,
.buf = buf, .len = 3 };
if(latch == 0)
msg.len = 2;
dprintk(2, "%s(reg = 0x%x val = 0x%x addr = 0x%x)\n", __func__, reg, val, msg.addr);
if (i2c_transfer(state->i2c, &msg, 1) != 1) {
printk(KERN_WARNING "mxl5005s I2C write16 failed\n");
printk(KERN_WARNING "mxl5005s I2C write failed\n");
return -EREMOTEIO;
}
return 0;
......@@ -457,20 +378,22 @@ static int mxl5005s_writereg16(struct dvb_frontend *fe, u8 reg, u16 val)
int mxl5005s_SetRegsWithTable(struct dvb_frontend *fe, u8 *pAddrTable, u8 *pByteTable, int TableLen)
{
int i, ret;
u8 end_two_bytes_buf[]={ 0 , 0 };
int i, ret = 0;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
for( i = 0 ; i < TableLen - 1 ; i++)
{
ret = mxl5005s_writereg(fe, pAddrTable[i], pByteTable[i]);
if (!ret)
return ret;
ret = mxl5005s_writereg(fe, pAddrTable[i], pByteTable[i], 0);
if (ret < 0)
break;
}
end_two_bytes_buf[0] = pByteTable[i];
end_two_bytes_buf[1] = MXL5005S_LATCH_BYTE;
ret = mxl5005s_writereg(fe, pAddrTable[i], pByteTable[i], 1);
ret = mxl5005s_writereg16(fe, pAddrTable[i], (end_two_bytes_buf[0] << 8) | end_two_bytes_buf[1]);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
return ret;
}
......@@ -509,6 +432,7 @@ int mxl5005s_SetRegMaskBits(struct dvb_frontend *fe,
return mxl5005s_SetRegsWithTable(fe, &RegAddr, &RegByte, 1);
}
// The following context is source code provided by MaxLinear.
// MaxLinear source code - MXL5005_Initialize.cpp
// DONE
......@@ -2034,6 +1958,7 @@ u16 MXL_BlockInit(struct dvb_frontend *fe)
status += MXL_ControlWrite(fe, BB_DLPF_BANDSEL, 2);
break;
case 6000000:
printk("%s() doing 6MHz digital\n", __func__);
status += MXL_ControlWrite(fe, BB_DLPF_BANDSEL, 3);
break;
}
......@@ -2064,7 +1989,6 @@ u16 MXL_BlockInit(struct dvb_frontend *fe)
else /* Single AGC Mode Dig Ana */
status += MXL_ControlWrite(fe, AGC_RF, state->Mode ? 15 : 12);
if (state->TOP == 55) /* TOP == 5.5 */
status += MXL_ControlWrite(fe, AGC_IF, 0x0);
......@@ -2294,6 +2218,8 @@ u16 MXL_BlockInit(struct dvb_frontend *fe)
status += MXL_ControlWrite(fe, BB_IQSWAP, 0);
else /* High IF */
status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 2);
}
if (state->Mod_Type == MXL_ANALOG_CABLE) {
/* Analog Cable Mode */
......@@ -2330,7 +2256,7 @@ u16 MXL_BlockInit(struct dvb_frontend *fe)
}
/* RSSI disable */
if(state->EN_RSSI==0) {
if(state->EN_RSSI == 0) {
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
......@@ -2539,6 +2465,7 @@ u16 MXL_IFSynthInit(struct dvb_frontend *fe)
Fref = 324000000UL ;
}
if (state->IF_LO == 5380000UL) {
printk("%s() doing 5.38\n", __func__);
status += MXL_ControlWrite(fe, IF_DIVVAL, 0x07) ;
status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C) ;
Fref = 322800000UL ;
......@@ -3221,6 +3148,7 @@ u16 MXL_TuneRF(struct dvb_frontend *fe, u32 RF_Freq)
if (state->TF_Type == MXL_TF_C_H) // Tracking Filter type C-H for Hauppauge only
{
printk("%s() CH filter\n", __func__);
status += MXL_ControlWrite(fe, DAC_DIN_A, 0) ;
if (state->RF_IN >= 43000000 && state->RF_IN < 150000000)
......@@ -4534,63 +4462,59 @@ u16 MXL_Hystersis_Test(struct dvb_frontend *fe, int Hystersis)
/* Linux driver related functions */
int mxl5005s_init(struct dvb_frontend *fe)
{
struct mxl5005s_state *state = fe->tuner_priv;
u8 AddrTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
u8 ByteTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
int TableLen;
dprintk(1, "%s()\n", __func__);
mxl5005s_reset(fe);
/* Tuner initialization stage 0 */
MXL_GetMasterControl(ByteTable, MC_SYNTH_RESET);
AddrTable[0] = MASTER_CONTROL_ADDR;
ByteTable[0] |= state->config->AgcMasterByte;
int mxl5005s_init2(struct dvb_frontend *fe)
mxl5005s_SetRegsWithTable(fe, AddrTable, ByteTable, 1);
mxl5005s_AssignTunerMode(fe); // tunre_config
/* Tuner initialization stage 1 */
MXL_GetInitRegister(fe, AddrTable, ByteTable, &TableLen);
mxl5005s_SetRegsWithTable(fe, AddrTable, ByteTable, TableLen);
return 0;
}
int mxl5005s_AssignTunerMode(struct dvb_frontend *fe)
{
int MxlModMode;
int MxlIfMode;
unsigned long MxlBandwitdh;
unsigned long MxlIfFreqHz;
unsigned long MxlCrystalFreqHz;
int MxlAgcMode;
unsigned short MxlTop;
unsigned short MxlIfOutputLoad;
int MxlClockOut;
int MxlDivOut;
int MxlCapSel;
int MxlRssiOnOff;
unsigned char MxlStandard;
unsigned char MxlTfType;
struct mxl5005s_state *state = fe->tuner_priv;
struct mxl5005s_config *c = state->config;
/* Set MxL5005S parameters. */
MxlModMode = MXL_DIGITAL_MODE;
MxlIfMode = MXL_ZERO_IF;
// steve
//MxlBandwitdh = MXL5005S_BANDWIDTH_8MHZ;
//MxlIfFreqHz = IF_FREQ_4570000HZ;
MxlBandwitdh = MXL5005S_BANDWIDTH_6MHZ; // config
MxlIfFreqHz = IF_FREQ_5380000HZ; // config
MxlCrystalFreqHz = CRYSTAL_FREQ_16000000HZ; // config
MxlAgcMode = MXL_SINGLE_AGC;
MxlTop = MXL5005S_TOP_25P2;
MxlIfOutputLoad = MXL5005S_IF_OUTPUT_LOAD_200_OHM;
MxlClockOut = MXL_CLOCK_OUT_DISABLE;
MxlDivOut = MXL_DIV_OUT_4;
MxlCapSel = MXL_CAP_SEL_ENABLE;
MxlRssiOnOff = MXL_RSSI_ENABLE; // config
MxlTfType = MXL_TF_C_H; // config
MxlStandard = MXL_ATSC; // config
// TODO: this is bad, it trashes other configs
// Set MxL5005S extra module.
//pExtra->AgcMasterByte = (MxlAgcMode == MXL_DUAL_AGC) ? 0x4 : 0x0;
InitTunerControls(fe);
/* Set MxL5005S parameters. */
MXL5005_TunerConfig(
fe,
(unsigned char)MxlModMode,
(unsigned char)MxlIfMode,
MxlBandwitdh,
MxlIfFreqHz,
MxlCrystalFreqHz,
(unsigned char)MxlAgcMode,
MxlTop,
MxlIfOutputLoad,
(unsigned char)MxlClockOut,
(unsigned char)MxlDivOut,
(unsigned char)MxlCapSel,
(unsigned char)MxlRssiOnOff,
MxlStandard, MxlTfType);
c->mod_mode,
c->if_mode,
MXL5005S_BANDWIDTH_6MHZ,
c->if_freq,
c->xtal_freq,
c->agc_mode,
c->top,
c->output_load,
c->clock_out,
c->div_out,
c->cap_select,
c->rssi_enable,
MXL_QAM,
c->tracking_filter);
return 0;
}
......@@ -4609,7 +4533,11 @@ static int mxl5005s_set_params(struct dvb_frontend *fe,
freq = params->frequency; /* Hz */
dprintk(1, "%s() freq=%d bw=%d\n", __func__, freq, bw);
return mxl5005s_SetRfFreqHz(fe, freq);
mxl5005s_SetRfFreqHz(fe, freq);
msleep(350);
return 0;
}
static int mxl5005s_get_frequency(struct dvb_frontend *fe, u32 *frequency)
......@@ -4642,32 +4570,6 @@ static int mxl5005s_get_status(struct dvb_frontend *fe, u32 *status)
return 0;
}
static int mxl5005s_init(struct dvb_frontend *fe)
{
struct mxl5005s_state *state = fe->tuner_priv;
u8 AddrTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
u8 ByteTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
int TableLen;
dprintk(1, "%s()\n", __func__);
/* Initialize MxL5005S tuner according to MxL5005S tuner example code. */
/* Tuner initialization stage 0 */
MXL_GetMasterControl(ByteTable, MC_SYNTH_RESET);
AddrTable[0] = MASTER_CONTROL_ADDR;
ByteTable[0] |= state->config->AgcMasterByte;
mxl5005s_SetRegsWithTable(fe, AddrTable, ByteTable, 1);
/* Tuner initialization stage 1 */
MXL_GetInitRegister(fe, AddrTable, ByteTable, &TableLen);
mxl5005s_SetRegsWithTable(fe, AddrTable, ByteTable, TableLen);
return mxl5005s_init2(fe);
}
static int mxl5005s_release(struct dvb_frontend *fe)
{
dprintk(1, "%s()\n", __func__);
......
drivers/media/common/tuners/mxl5005s.h
浏览文件 @ 8c66a19d
......@@ -26,31 +26,88 @@
#ifndef __MXL5005S_H
#define __MXL5005S_H
/* IF frequency */
enum IF_FREQ_HZ
{
IF_FREQ_4570000HZ = 4570000, ///< IF frequency = 4.57 MHz
IF_FREQ_4571429HZ = 4571429, ///< IF frequency = 4.571 MHz
IF_FREQ_5380000HZ = 5380000, ///< IF frequency = 5.38 MHz
IF_FREQ_36000000HZ = 36000000, ///< IF frequency = 36.000 MHz
IF_FREQ_36125000HZ = 36125000, ///< IF frequency = 36.125 MHz
IF_FREQ_36166667HZ = 36166667, ///< IF frequency = 36.167 MHz
IF_FREQ_44000000HZ = 44000000, ///< IF frequency = 44.000 MHz
};
/* Crystal frequency */
enum CRYSTAL_FREQ_HZ
{
CRYSTAL_FREQ_4000000HZ = 4000000, ///< Crystal frequency = 4.0 MHz
CRYSTAL_FREQ_16000000HZ = 16000000, ///< Crystal frequency = 16.0 MHz
CRYSTAL_FREQ_25000000HZ = 25000000, ///< Crystal frequency = 25.0 MHz
CRYSTAL_FREQ_28800000HZ = 28800000, ///< Crystal frequency = 28.8 MHz
};
struct mxl5005s_config
{
/* 7 bit i2c address */
u8 i2c_address;
#define IF_FREQ_4570000HZ 4570000
#define IF_FREQ_4571429HZ 4571429
#define IF_FREQ_5380000HZ 5380000
#define IF_FREQ_36000000HZ 36000000
#define IF_FREQ_36125000HZ 36125000
#define IF_FREQ_36166667HZ 36166667
#define IF_FREQ_44000000HZ 44000000
u32 if_freq;
#define CRYSTAL_FREQ_4000000HZ 4000000
#define CRYSTAL_FREQ_16000000HZ 16000000
#define CRYSTAL_FREQ_25000000HZ 25000000
#define CRYSTAL_FREQ_28800000HZ 28800000
u32 xtal_freq;
#define MXL_DUAL_AGC 0
#define MXL_SINGLE_AGC 1
u8 agc_mode;
#define MXL_TF_DEFAULT 0
#define MXL_TF_OFF 1
#define MXL_TF_C 2
#define MXL_TF_C_H 3
#define MXL_TF_D 4
#define MXL_TF_D_L 5
#define MXL_TF_E 6
#define MXL_TF_F 7
#define MXL_TF_E_2 8
#define MXL_TF_E_NA 9
#define MXL_TF_G 10
u8 tracking_filter;
#define MXL_RSSI_DISABLE 0
#define MXL_RSSI_ENABLE 1
u8 rssi_enable;
#define MXL_CAP_SEL_DISABLE 0
#define MXL_CAP_SEL_ENABLE 1
u8 cap_select;
#define MXL_DIV_OUT_1 0
#define MXL_DIV_OUT_4 1
u8 div_out;
#define MXL_CLOCK_OUT_DISABLE 0
#define MXL_CLOCK_OUT_ENABLE 1
u8 clock_out;
#define MXL5005S_IF_OUTPUT_LOAD_200_OHM 200
#define MXL5005S_IF_OUTPUT_LOAD_300_OHM 300
u32 output_load;
#define MXL5005S_TOP_5P5 55
#define MXL5005S_TOP_7P2 72
#define MXL5005S_TOP_9P2 92
#define MXL5005S_TOP_11P0 110
#define MXL5005S_TOP_12P9 129
#define MXL5005S_TOP_14P7 147
#define MXL5005S_TOP_16P8 168
#define MXL5005S_TOP_19P4 194
#define MXL5005S_TOP_21P2 212
#define MXL5005S_TOP_23P2 232
#define MXL5005S_TOP_25P2 252
#define MXL5005S_TOP_27P1 271
#define MXL5005S_TOP_29P2 292
#define MXL5005S_TOP_31P7 317
#define MXL5005S_TOP_34P9 349
u32 top;
#define MXL_ANALOG_MODE 0
#define MXL_DIGITAL_MODE 1
u8 mod_mode;
#define MXL_ZERO_IF 0
#define MXL_LOW_IF 1
u8 if_mode;
/* Stuff I don't know what to do with */
u8 AgcMasterByte;
};
......
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