[media] mt2063: Add some debug printk's
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
Родитель
669b67d959
Коммит
db6587bfd2
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@ -27,8 +27,15 @@
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#include "mt2063.h"
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static unsigned int verbose;
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module_param(verbose, int, 0644);
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static unsigned int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "Set Verbosity level");
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#define dprintk(level, fmt, arg...) do { \
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if (debug >= level) \
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printk(KERN_DEBUG "mt2063 %s: " fmt, __func__, ## arg); \
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} while (0)
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/* positive error codes used internally */
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@ -248,6 +255,8 @@ static u32 mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len)
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.len = len + 1
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};
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dprintk(2, "\n");
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msg.buf[0] = reg;
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memcpy(msg.buf + 1, data, len);
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@ -270,6 +279,8 @@ static u32 mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val)
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{
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u32 status;
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dprintk(2, "\n");
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if (reg >= MT2063_REG_END_REGS)
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return -ERANGE;
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@ -292,6 +303,8 @@ static u32 mt2063_read(struct mt2063_state *state,
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struct dvb_frontend *fe = state->frontend;
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u32 i = 0;
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dprintk(2, "\n");
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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@ -353,6 +366,9 @@ static struct MT2063_ExclZone_t *InsertNode(struct MT2063_AvoidSpursData_t
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struct MT2063_ExclZone_t *pPrevNode)
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{
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struct MT2063_ExclZone_t *pNode;
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dprintk(2, "\n");
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/* Check for a node in the free list */
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if (pAS_Info->freeZones != NULL) {
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/* Use one from the free list */
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@ -384,6 +400,8 @@ static struct MT2063_ExclZone_t *RemoveNode(struct MT2063_AvoidSpursData_t
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{
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struct MT2063_ExclZone_t *pNext = pNodeToRemove->next_;
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dprintk(2, "\n");
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/* Make previous node point to the subsequent node */
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if (pPrevNode != NULL)
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pPrevNode->next_ = pNext;
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@ -413,6 +431,8 @@ static void MT2063_AddExclZone(struct MT2063_AvoidSpursData_t *pAS_Info,
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struct MT2063_ExclZone_t *pPrev = NULL;
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struct MT2063_ExclZone_t *pNext = NULL;
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dprintk(2, "\n");
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/* Check to see if this overlaps the 1st IF filter */
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if ((f_max > (pAS_Info->f_if1_Center - (pAS_Info->f_if1_bw / 2)))
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&& (f_min < (pAS_Info->f_if1_Center + (pAS_Info->f_if1_bw / 2)))
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@ -462,6 +482,8 @@ static void MT2063_ResetExclZones(struct MT2063_AvoidSpursData_t *pAS_Info)
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{
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u32 center;
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dprintk(2, "\n");
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pAS_Info->nZones = 0; /* this clears the used list */
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pAS_Info->usedZones = NULL; /* reset ptr */
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pAS_Info->freeZones = NULL; /* reset ptr */
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@ -547,7 +569,6 @@ static u32 MT2063_ChooseFirstIF(struct MT2063_AvoidSpursData_t *pAS_Info)
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pAS_Info->f_LO2_Step) ? pAS_Info->f_LO1_Step : pAS_Info->
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f_LO2_Step;
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u32 f_Center;
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s32 i;
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s32 j = 0;
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u32 bDesiredExcluded = 0;
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@ -557,6 +578,8 @@ static u32 MT2063_ChooseFirstIF(struct MT2063_AvoidSpursData_t *pAS_Info)
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struct MT2063_ExclZone_t *pNode = pAS_Info->usedZones;
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struct MT2063_FIFZone_t zones[MT2063_MAX_ZONES];
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dprintk(2, "\n");
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if (pAS_Info->nZones == 0)
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return f_Desired;
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@ -692,6 +715,9 @@ static u32 IsSpurInBand(struct MT2063_AvoidSpursData_t *pAS_Info,
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s32 f_Spur;
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u32 ma, mb, mc, md, me, mf;
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u32 lo_gcd, gd_Scale, gc_Scale, gf_Scale, hgds, hgfs, hgcs;
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dprintk(2, "\n");
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*fm = 0;
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/*
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@ -788,6 +814,8 @@ static u32 MT2063_AvoidSpurs(struct MT2063_AvoidSpursData_t *pAS_Info)
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pAS_Info->bSpurAvoided = 0;
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pAS_Info->nSpursFound = 0;
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dprintk(2, "\n");
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if (pAS_Info->maxH1 == 0)
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return 0;
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@ -910,6 +938,8 @@ static unsigned int mt2063_lockStatus(struct mt2063_state *state)
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u32 status;
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u32 nDelays = 0;
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dprintk(2, "\n");
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/* LO2 Lock bit was in a different place for B0 version */
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if (state->tuner_id == MT2063_B0)
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LO2LK = 0x40;
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@ -1001,6 +1031,8 @@ static const u8 PD2TGT[] = { 40, 33, 38, 42, 30, 38 };
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static u32 mt2063_get_dnc_output_enable(struct mt2063_state *state,
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enum MT2063_DNC_Output_Enable *pValue)
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{
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dprintk(2, "\n");
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if ((state->reg[MT2063_REG_DNC_GAIN] & 0x03) == 0x03) { /* if DNC1 is off */
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if ((state->reg[MT2063_REG_VGA_GAIN] & 0x03) == 0x03) /* if DNC2 is off */
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*pValue = MT2063_DNC_NONE;
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@ -1024,6 +1056,8 @@ static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state,
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u32 status = 0; /* Status to be returned */
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u8 val = 0;
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dprintk(2, "\n");
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/* selects, which DNC output is used */
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switch (nValue) {
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case MT2063_DNC_NONE:
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@ -1157,6 +1191,8 @@ static u32 MT2063_SetReceiverMode(struct mt2063_state *state,
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u8 val;
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u32 longval;
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dprintk(2, "\n");
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if (Mode >= MT2063_NUM_RCVR_MODES)
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status = -ERANGE;
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@ -1292,6 +1328,7 @@ static u32 MT2063_ClearPowerMaskBits(struct mt2063_state *state,
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{
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u32 status = 0;
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dprintk(2, "\n");
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Bits = (enum MT2063_Mask_Bits)(Bits & MT2063_ALL_SD); /* Only valid bits for this tuner */
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if ((Bits & 0xFF00) != 0) {
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state->reg[MT2063_REG_PWR_2] &= ~(u8) (Bits >> 8);
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@ -1320,6 +1357,7 @@ static u32 MT2063_SoftwareShutdown(struct mt2063_state *state, u8 Shutdown)
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{
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u32 status;
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dprintk(2, "\n");
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if (Shutdown == 1)
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state->reg[MT2063_REG_PWR_1] |= 0x04;
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else
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@ -1498,6 +1536,7 @@ static u32 MT2063_Tune(struct mt2063_state *state, u32 f_in)
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u8 val;
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u32 RFBand;
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dprintk(2, "\n");
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/* Check the input and output frequency ranges */
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if ((f_in < MT2063_MIN_FIN_FREQ) || (f_in > MT2063_MAX_FIN_FREQ))
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return -EINVAL;
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@ -1757,12 +1796,16 @@ static int mt2063_init(struct dvb_frontend *fe)
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u32 fcu_osc;
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u32 i;
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dprintk(2, "\n");
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state->rcvr_mode = MT2063_CABLE_QAM;
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/* Read the Part/Rev code from the tuner */
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status = mt2063_read(state, MT2063_REG_PART_REV, state->reg, 1);
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if (status < 0)
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if (status < 0) {
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printk(KERN_ERR "Can't read mt2063 part ID\n");
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return status;
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}
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/* Check the part/rev code */
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if (((state->reg[MT2063_REG_PART_REV] != MT2063_B0) /* MT2063 B0 */
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@ -1775,8 +1818,10 @@ static int mt2063_init(struct dvb_frontend *fe)
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&state->reg[MT2063_REG_RSVD_3B], 1);
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/* b7 != 0 ==> NOT MT2063 */
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if (status < 0 || ((state->reg[MT2063_REG_RSVD_3B] & 0x80) != 0x00))
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if (status < 0 || ((state->reg[MT2063_REG_RSVD_3B] & 0x80) != 0x00)) {
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printk(KERN_ERR "Can't read mt2063 2nd part ID\n");
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return -ENODEV; /* Wrong tuner Part/Rev code */
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}
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/* Reset the tuner */
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status = mt2063_write(state, MT2063_REG_LO2CQ_3, &all_resets, 1);
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@ -1940,6 +1985,8 @@ static int mt2063_get_status(struct dvb_frontend *fe, u32 *tuner_status)
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struct mt2063_state *state = fe->tuner_priv;
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int status;
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dprintk(2, "\n");
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*tuner_status = 0;
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status = mt2063_lockStatus(state);
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if (status < 0)
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@ -1954,6 +2001,8 @@ static int mt2063_release(struct dvb_frontend *fe)
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{
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struct mt2063_state *state = fe->tuner_priv;
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dprintk(2, "\n");
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fe->tuner_priv = NULL;
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kfree(state);
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@ -1974,6 +2023,8 @@ static int mt2063_set_analog_params(struct dvb_frontend *fe,
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s32 rcvr_mode = 0;
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int status;
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dprintk(2, "\n");
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switch (params->mode) {
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case V4L2_TUNER_RADIO:
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pict_car = 38900000;
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@ -2065,6 +2116,8 @@ static int mt2063_set_params(struct dvb_frontend *fe)
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s32 if_mid = 0;
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s32 rcvr_mode = 0;
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dprintk(2, "\n");
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if (c->bandwidth_hz == 0)
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return -EINVAL;
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if (c->bandwidth_hz <= 6000000)
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@ -2116,6 +2169,8 @@ static int mt2063_get_frequency(struct dvb_frontend *fe, u32 *freq)
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{
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struct mt2063_state *state = fe->tuner_priv;
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dprintk(2, "\n");
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*freq = state->frequency;
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return 0;
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}
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@ -2124,6 +2179,8 @@ static int mt2063_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
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{
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struct mt2063_state *state = fe->tuner_priv;
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dprintk(2, "\n");
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*bw = state->AS_Data.f_out_bw - 750000;
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return 0;
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}
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@ -2152,6 +2209,8 @@ struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
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{
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struct mt2063_state *state = NULL;
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dprintk(2, "\n");
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state = kzalloc(sizeof(struct mt2063_state), GFP_KERNEL);
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if (state == NULL)
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goto error;
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@ -2181,6 +2240,8 @@ unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe)
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struct mt2063_state *state = fe->tuner_priv;
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int err = 0;
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dprintk(2, "\n");
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err = MT2063_SoftwareShutdown(state, 1);
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if (err < 0)
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printk(KERN_ERR "%s: Couldn't shutdown\n", __func__);
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@ -2194,6 +2255,8 @@ unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
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struct mt2063_state *state = fe->tuner_priv;
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int err = 0;
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dprintk(2, "\n");
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err = MT2063_ClearPowerMaskBits(state, MT2063_ALL_SD);
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if (err < 0)
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printk(KERN_ERR "%s: Invalid parameter\n", __func__);
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@ -2202,9 +2265,6 @@ unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
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}
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EXPORT_SYMBOL_GPL(tuner_MT2063_ClearPowerMaskBits);
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MODULE_PARM_DESC(verbose, "Set Verbosity level");
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MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
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MODULE_DESCRIPTION("MT2063 Silicon tuner");
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MODULE_LICENSE("GPL");
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