From de99befd18c10d8085182a1facbb4b8760b2b6fe Mon Sep 17 00:00:00 2001 From: Ragavendra Nagraj Date: Wed, 18 Mar 2015 02:37:42 -0700 Subject: [PATCH] staging: sm750fb: Fixed no space and indent warns This patch fixes the no spaces and indent warnings identified by the checkpath.pl script for the entire ddk750_chip.c file by using appropriate tab spaces and indents accordingly. Signed-off-by: Ragavendra Nagraj Signed-off-by: Greg Kroah-Hartman --- drivers/staging/sm750fb/ddk750_chip.c | 460 +++++++++++++------------- 1 file changed, 230 insertions(+), 230 deletions(-) diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c index 33add64569b0..02f9326a0404 100644 --- a/drivers/staging/sm750fb/ddk750_chip.c +++ b/drivers/staging/sm750fb/ddk750_chip.c @@ -20,22 +20,22 @@ logical_chip_type_t getChipType(void) physicalID = devId750;//either 0x718 or 0x750 physicalRev = revId750; - if (physicalID == 0x718) - { - chip = SM718; - } - else if (physicalID == 0x750) - { - chip = SM750; + if (physicalID == 0x718) + { + chip = SM718; + } + else if (physicalID == 0x750) + { + chip = SM750; /* SM750 and SM750LE are different in their revision ID only. */ if (physicalRev == SM750LE_REVISION_ID){ chip = SM750LE; } - } - else - { - chip = SM_UNKNOWN; - } + } + else + { + chip = SM_UNKNOWN; + } return chip; } @@ -43,63 +43,63 @@ logical_chip_type_t getChipType(void) inline unsigned int twoToPowerOfx(unsigned long x) { - unsigned long i; - unsigned long result = 1; + unsigned long i; + unsigned long result = 1; - for (i=1; i<=x; i++) - result *= 2; - return result; + for (i=1; i<=x; i++) + result *= 2; + return result; } inline unsigned int calcPLL(pll_value_t *pPLL) { - return (pPLL->inputFreq * pPLL->M / pPLL->N / twoToPowerOfx(pPLL->OD) / twoToPowerOfx(pPLL->POD)); + return (pPLL->inputFreq * pPLL->M / pPLL->N / twoToPowerOfx(pPLL->OD) / twoToPowerOfx(pPLL->POD)); } unsigned int getPllValue(clock_type_t clockType, pll_value_t *pPLL) { - unsigned int ulPllReg = 0; - - pPLL->inputFreq = DEFAULT_INPUT_CLOCK; - pPLL->clockType = clockType; - - switch (clockType) - { - case MXCLK_PLL: - ulPllReg = PEEK32(MXCLK_PLL_CTRL); - break; - case PRIMARY_PLL: - ulPllReg = PEEK32(PANEL_PLL_CTRL); - break; - case SECONDARY_PLL: - ulPllReg = PEEK32(CRT_PLL_CTRL); - break; - case VGA0_PLL: - ulPllReg = PEEK32(VGA_PLL0_CTRL); - break; - case VGA1_PLL: - ulPllReg = PEEK32(VGA_PLL1_CTRL); - break; - } - - pPLL->M = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, M); - pPLL->N = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, N); - pPLL->OD = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, OD); - pPLL->POD = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, POD); - - return calcPLL(pPLL); + unsigned int ulPllReg = 0; + + pPLL->inputFreq = DEFAULT_INPUT_CLOCK; + pPLL->clockType = clockType; + + switch (clockType) + { + case MXCLK_PLL: + ulPllReg = PEEK32(MXCLK_PLL_CTRL); + break; + case PRIMARY_PLL: + ulPllReg = PEEK32(PANEL_PLL_CTRL); + break; + case SECONDARY_PLL: + ulPllReg = PEEK32(CRT_PLL_CTRL); + break; + case VGA0_PLL: + ulPllReg = PEEK32(VGA_PLL0_CTRL); + break; + case VGA1_PLL: + ulPllReg = PEEK32(VGA_PLL1_CTRL); + break; + } + + pPLL->M = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, M); + pPLL->N = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, N); + pPLL->OD = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, OD); + pPLL->POD = FIELD_GET(ulPllReg, PANEL_PLL_CTRL, POD); + + return calcPLL(pPLL); } unsigned int getChipClock(void) { - pll_value_t pll; + pll_value_t pll; #if 1 if(getChipType() == SM750LE) return MHz(130); #endif - return getPllValue(MXCLK_PLL, &pll); + return getPllValue(MXCLK_PLL, &pll); } @@ -110,75 +110,75 @@ unsigned int getChipClock(void) */ void setChipClock(unsigned int frequency) { - pll_value_t pll; - unsigned int ulActualMxClk; + pll_value_t pll; + unsigned int ulActualMxClk; #if 1 - /* Cheok_0509: For SM750LE, the chip clock is fixed. Nothing to set. */ - if (getChipType() == SM750LE) - return; + /* Cheok_0509: For SM750LE, the chip clock is fixed. Nothing to set. */ + if (getChipType() == SM750LE) + return; #endif - if (frequency != 0) - { - /* - * Set up PLL, a structure to hold the value to be set in clocks. - */ - pll.inputFreq = DEFAULT_INPUT_CLOCK; /* Defined in CLOCK.H */ - pll.clockType = MXCLK_PLL; - - /* - * Call calcPllValue() to fill up the other fields for PLL structure. - * Sometime, the chip cannot set up the exact clock required by User. - * Return value from calcPllValue() gives the actual possible clock. - */ - ulActualMxClk = calcPllValue(frequency, &pll); - - /* Master Clock Control: MXCLK_PLL */ - POKE32(MXCLK_PLL_CTRL, formatPllReg(&pll)); - } + if (frequency != 0) + { + /* + * Set up PLL, a structure to hold the value to be set in clocks. + */ + pll.inputFreq = DEFAULT_INPUT_CLOCK; /* Defined in CLOCK.H */ + pll.clockType = MXCLK_PLL; + + /* + * Call calcPllValue() to fill up the other fields for PLL structure. + * Sometime, the chip cannot set up the exact clock required by User. + * Return value from calcPllValue() gives the actual possible clock. + */ + ulActualMxClk = calcPllValue(frequency, &pll); + + /* Master Clock Control: MXCLK_PLL */ + POKE32(MXCLK_PLL_CTRL, formatPllReg(&pll)); + } } void setMemoryClock(unsigned int frequency) { - unsigned int ulReg, divisor; + unsigned int ulReg, divisor; #if 1 /* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set. */ if (getChipType() == SM750LE) return; #endif - if (frequency != 0) - { - /* Set the frequency to the maximum frequency that the DDR Memory can take - which is 336MHz. */ - if (frequency > MHz(336)) - frequency = MHz(336); - - /* Calculate the divisor */ - divisor = (unsigned int) roundedDiv(getChipClock(), frequency); - - /* Set the corresponding divisor in the register. */ - ulReg = PEEK32(CURRENT_GATE); - switch(divisor) - { - default: - case 1: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_1); - break; - case 2: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_2); - break; - case 3: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_3); - break; - case 4: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_4); - break; - } - - setCurrentGate(ulReg); - } + if (frequency != 0) + { + /* Set the frequency to the maximum frequency that the DDR Memory can take + which is 336MHz. */ + if (frequency > MHz(336)) + frequency = MHz(336); + + /* Calculate the divisor */ + divisor = (unsigned int) roundedDiv(getChipClock(), frequency); + + /* Set the corresponding divisor in the register. */ + ulReg = PEEK32(CURRENT_GATE); + switch(divisor) + { + default: + case 1: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_1); + break; + case 2: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_2); + break; + case 3: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_3); + break; + case 4: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, M2XCLK, DIV_4); + break; + } + + setCurrentGate(ulReg); + } } @@ -192,43 +192,43 @@ void setMemoryClock(unsigned int frequency) */ void setMasterClock(unsigned int frequency) { - unsigned int ulReg, divisor; - #if 1 + unsigned int ulReg, divisor; +#if 1 /* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set. */ if (getChipType() == SM750LE) return; #endif - if (frequency != 0) - { - /* Set the frequency to the maximum frequency that the SM750 engine can - run, which is about 190 MHz. */ - if (frequency > MHz(190)) - frequency = MHz(190); - - /* Calculate the divisor */ - divisor = (unsigned int) roundedDiv(getChipClock(), frequency); - - /* Set the corresponding divisor in the register. */ - ulReg = PEEK32(CURRENT_GATE); - switch(divisor) - { - default: - case 3: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_3); - break; - case 4: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_4); - break; - case 6: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_6); - break; - case 8: - ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_8); - break; - } - - setCurrentGate(ulReg); - } + if (frequency != 0) + { + /* Set the frequency to the maximum frequency that the SM750 engine can + run, which is about 190 MHz. */ + if (frequency > MHz(190)) + frequency = MHz(190); + + /* Calculate the divisor */ + divisor = (unsigned int) roundedDiv(getChipClock(), frequency); + + /* Set the corresponding divisor in the register. */ + ulReg = PEEK32(CURRENT_GATE); + switch(divisor) + { + default: + case 3: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_3); + break; + case 4: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_4); + break; + case 6: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_6); + break; + case 8: + ulReg = FIELD_SET(ulReg, CURRENT_GATE, MCLK, DIV_8); + break; + } + + setCurrentGate(ulReg); + } } @@ -249,11 +249,11 @@ unsigned int ddk750_getVMSize(void) /* get frame buffer size from GPIO */ reg = FIELD_GET(PEEK32(MISC_CTRL),MISC_CTRL,LOCALMEM_SIZE); switch(reg){ - case MISC_CTRL_LOCALMEM_SIZE_8M: data = MB(8); break; /* 8 Mega byte */ - case MISC_CTRL_LOCALMEM_SIZE_16M: data = MB(16); break; /* 16 Mega byte */ - case MISC_CTRL_LOCALMEM_SIZE_32M: data = MB(32); break; /* 32 Mega byte */ - case MISC_CTRL_LOCALMEM_SIZE_64M: data = MB(64); break; /* 64 Mega byte */ - default: data = 0;break; + case MISC_CTRL_LOCALMEM_SIZE_8M: data = MB(8); break; /* 8 Mega byte */ + case MISC_CTRL_LOCALMEM_SIZE_16M: data = MB(16); break; /* 16 Mega byte */ + case MISC_CTRL_LOCALMEM_SIZE_32M: data = MB(32); break; /* 32 Mega byte */ + case MISC_CTRL_LOCALMEM_SIZE_64M: data = MB(64); break; /* 64 Mega byte */ + default: data = 0;break; } return data; @@ -391,10 +391,10 @@ int ddk750_initHw(initchip_param_t * pInitParam) unsigned int absDiff(unsigned int a, unsigned int b) { - if ( a > b ) - return(a - b); - else - return(b - a); + if ( a > b ) + return(a - b); + else + return(b - a); } #endif @@ -435,7 +435,7 @@ unsigned int calcPllValue(unsigned int request_orig,pll_value_t *pll) {3,0,3,8}, }; - /* as sm750 register definition, N located in 2,15 and M located in 1,255 */ + /* as sm750 register definition, N located in 2,15 and M located in 1,255 */ int N,M,X,d; int xcnt; int miniDiff; @@ -446,11 +446,11 @@ unsigned int calcPllValue(unsigned int request_orig,pll_value_t *pll) #if 1 if (getChipType() == SM750LE) - { - /* SM750LE don't have prgrammable PLL and M/N values to work on. - Just return the requested clock. */ - return request_orig; - } + { + /* SM750LE don't have prgrammable PLL and M/N values to work on. + Just return the requested clock. */ + return request_orig; + } #endif ret = 0; @@ -487,7 +487,7 @@ unsigned int calcPllValue(unsigned int request_orig,pll_value_t *pll) { unsigned int diff; tmpClock = pll->inputFreq *M / N / X; - diff = absDiff(tmpClock,request_orig); + diff = absDiff(tmpClock,request_orig); if(diff < miniDiff) { pll->M = M; @@ -510,104 +510,104 @@ unsigned int ulRequestClk, /* Required pixel clock in Hz unit */ pll_value_t *pPLL /* Structure to hold the value to be set in PLL */ ) { - unsigned int M, N, OD, POD = 0, diff, pllClk, odPower, podPower; - unsigned int bestDiff = 0xffffffff; /* biggest 32 bit unsigned number */ + unsigned int M, N, OD, POD = 0, diff, pllClk, odPower, podPower; + unsigned int bestDiff = 0xffffffff; /* biggest 32 bit unsigned number */ unsigned int ret; /* Init PLL structure to know states */ - pPLL->M = 0; - pPLL->N = 0; - pPLL->OD = 0; - pPLL->POD = 0; + pPLL->M = 0; + pPLL->N = 0; + pPLL->OD = 0; + pPLL->POD = 0; /* Sanity check: None at the moment */ /* Convert everything in Khz range in order to avoid calculation overflow */ - pPLL->inputFreq /= 1000; - ulRequestClk /= 1000; + pPLL->inputFreq /= 1000; + ulRequestClk /= 1000; #ifndef VALIDATION_CHIP /* The maximum of post divider is 8. */ - for (POD=0; POD<=3; POD++) + for (POD=0; POD<=3; POD++) #endif - { + { #ifndef VALIDATION_CHIP - /* MXCLK_PLL does not have post divider. */ - if ((POD > 0) && (pPLL->clockType == MXCLK_PLL)) - break; + /* MXCLK_PLL does not have post divider. */ + if ((POD > 0) && (pPLL->clockType == MXCLK_PLL)) + break; #endif - /* Work out 2 to the power of POD */ - podPower = twoToPowerOfx(POD); + /* Work out 2 to the power of POD */ + podPower = twoToPowerOfx(POD); - /* OD has only 2 bits [15:14] and its value must between 0 to 3 */ - for (OD=0; OD<=3; OD++) - { - /* Work out 2 to the power of OD */ - odPower = twoToPowerOfx(OD); + /* OD has only 2 bits [15:14] and its value must between 0 to 3 */ + for (OD=0; OD<=3; OD++) + { + /* Work out 2 to the power of OD */ + odPower = twoToPowerOfx(OD); #ifdef VALIDATION_CHIP - if (odPower > 4) - podPower = 4; - else - podPower = odPower; + if (odPower > 4) + podPower = 4; + else + podPower = odPower; #endif - /* N has 4 bits [11:8] and its value must between 2 and 15. - The N == 1 will behave differently --> Result is not correct. */ - for (N=2; N<=15; N++) - { - /* The formula for PLL is ulRequestClk = inputFreq * M / N / (2^OD) - In the following steps, we try to work out a best M value given the others are known. - To avoid decimal calculation, we use 1000 as multiplier for up to 3 decimal places of accuracy. - */ - M = ulRequestClk * N * odPower * 1000 / pPLL->inputFreq; - M = roundedDiv(M, 1000); - - /* M field has only 8 bits, reject value bigger than 8 bits */ - if (M < 256) - { - /* Calculate the actual clock for a given M & N */ - pllClk = pPLL->inputFreq * M / N / odPower / podPower; - - /* How much are we different from the requirement */ - diff = absDiff(pllClk, ulRequestClk); - - if (diff < bestDiff) - { - bestDiff = diff; - - /* Store M and N values */ - pPLL->M = M; - pPLL->N = N; - pPLL->OD = OD; + /* N has 4 bits [11:8] and its value must between 2 and 15. + The N == 1 will behave differently --> Result is not correct. */ + for (N=2; N<=15; N++) + { + /* The formula for PLL is ulRequestClk = inputFreq * M / N / (2^OD) + In the following steps, we try to work out a best M value given the others are known. + To avoid decimal calculation, we use 1000 as multiplier for up to 3 decimal places of accuracy. + */ + M = ulRequestClk * N * odPower * 1000 / pPLL->inputFreq; + M = roundedDiv(M, 1000); + + /* M field has only 8 bits, reject value bigger than 8 bits */ + if (M < 256) + { + /* Calculate the actual clock for a given M & N */ + pllClk = pPLL->inputFreq * M / N / odPower / podPower; + + /* How much are we different from the requirement */ + diff = absDiff(pllClk, ulRequestClk); + + if (diff < bestDiff) + { + bestDiff = diff; + + /* Store M and N values */ + pPLL->M = M; + pPLL->N = N; + pPLL->OD = OD; #ifdef VALIDATION_CHIP - if (OD > 2) - POD = 2; - else - POD = OD; + if (OD > 2) + POD = 2; + else + POD = OD; #endif - pPLL->POD = POD; - } - } - } - } - } + pPLL->POD = POD; + } + } + } + } + } /* Restore input frequency from Khz to hz unit */ // pPLL->inputFreq *= 1000; - ulRequestClk *= 1000; - pPLL->inputFreq = DEFAULT_INPUT_CLOCK; /* Default reference clock */ + ulRequestClk *= 1000; + pPLL->inputFreq = DEFAULT_INPUT_CLOCK; /* Default reference clock */ /* Output debug information */ - //DDKDEBUGPRINT((DISPLAY_LEVEL, "calcPllValue: Requested Frequency = %d\n", ulRequestClk)); - //DDKDEBUGPRINT((DISPLAY_LEVEL, "calcPllValue: Input CLK = %dHz, M=%d, N=%d, OD=%d, POD=%d\n", pPLL->inputFreq, pPLL->M, pPLL->N, pPLL->OD, pPLL->POD)); + //DDKDEBUGPRINT((DISPLAY_LEVEL, "calcPllValue: Requested Frequency = %d\n", ulRequestClk)); + //DDKDEBUGPRINT((DISPLAY_LEVEL, "calcPllValue: Input CLK = %dHz, M=%d, N=%d, OD=%d, POD=%d\n", pPLL->inputFreq, pPLL->M, pPLL->N, pPLL->OD, pPLL->POD)); /* Return actual frequency that the PLL can set */ ret = calcPLL(pPLL); - return ret; + return ret; } @@ -616,22 +616,22 @@ pll_value_t *pPLL /* Structure to hold the value to be set in PLL */ unsigned int formatPllReg(pll_value_t *pPLL) { - unsigned int ulPllReg = 0; + unsigned int ulPllReg = 0; /* Note that all PLL's have the same format. Here, we just use Panel PLL parameter to work out the bit fields in the register. On returning a 32 bit number, the value can be applied to any PLL in the calling function. */ - ulPllReg = - FIELD_SET( 0, PANEL_PLL_CTRL, BYPASS, OFF) - | FIELD_SET( 0, PANEL_PLL_CTRL, POWER, ON) - | FIELD_SET( 0, PANEL_PLL_CTRL, INPUT, OSC) + ulPllReg = + FIELD_SET( 0, PANEL_PLL_CTRL, BYPASS, OFF) + | FIELD_SET( 0, PANEL_PLL_CTRL, POWER, ON) + | FIELD_SET( 0, PANEL_PLL_CTRL, INPUT, OSC) #ifndef VALIDATION_CHIP - | FIELD_VALUE(0, PANEL_PLL_CTRL, POD, pPLL->POD) + | FIELD_VALUE(0, PANEL_PLL_CTRL, POD, pPLL->POD) #endif - | FIELD_VALUE(0, PANEL_PLL_CTRL, OD, pPLL->OD) - | FIELD_VALUE(0, PANEL_PLL_CTRL, N, pPLL->N) - | FIELD_VALUE(0, PANEL_PLL_CTRL, M, pPLL->M); + | FIELD_VALUE(0, PANEL_PLL_CTRL, OD, pPLL->OD) + | FIELD_VALUE(0, PANEL_PLL_CTRL, N, pPLL->N) + | FIELD_VALUE(0, PANEL_PLL_CTRL, M, pPLL->M); return ulPllReg; } -- 2.34.1