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path: root/drivers/media/i2c/ccs-pll.c
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Diffstat (limited to 'drivers/media/i2c/ccs-pll.c')
-rw-r--r--drivers/media/i2c/ccs-pll.c116
1 files changed, 58 insertions, 58 deletions
diff --git a/drivers/media/i2c/ccs-pll.c b/drivers/media/i2c/ccs-pll.c
index 58ca47e904a1..fcc39360cc50 100644
--- a/drivers/media/i2c/ccs-pll.c
+++ b/drivers/media/i2c/ccs-pll.c
@@ -17,20 +17,20 @@
#include "ccs-pll.h"
/* Return an even number or one. */
-static inline uint32_t clk_div_even(uint32_t a)
+static inline u32 clk_div_even(u32 a)
{
- return max_t(uint32_t, 1, a & ~1);
+ return max_t(u32, 1, a & ~1);
}
/* Return an even number or one. */
-static inline uint32_t clk_div_even_up(uint32_t a)
+static inline u32 clk_div_even_up(u32 a)
{
if (a == 1)
return 1;
return (a + 1) & ~1;
}
-static inline uint32_t is_one_or_even(uint32_t a)
+static inline u32 is_one_or_even(u32 a)
{
if (a == 1)
return 1;
@@ -40,13 +40,13 @@ static inline uint32_t is_one_or_even(uint32_t a)
return 1;
}
-static inline uint32_t one_or_more(uint32_t a)
+static inline u32 one_or_more(u32 a)
{
return a ?: 1;
}
-static int bounds_check(struct device *dev, uint32_t val,
- uint32_t min, uint32_t max, const char *prefix,
+static int bounds_check(struct device *dev, u32 val,
+ u32 min, u32 max, const char *prefix,
char *str)
{
if (val >= min && val <= max)
@@ -138,12 +138,12 @@ static void print_pll(struct device *dev, struct ccs_pll *pll)
pll->flags & PLL_FL(OP_PIX_DDR) ? " op-pix-ddr" : "");
}
-static uint32_t op_sys_ddr(uint32_t flags)
+static u32 op_sys_ddr(u32 flags)
{
return flags & CCS_PLL_FLAG_OP_SYS_DDR ? 1 : 0;
}
-static uint32_t op_pix_ddr(uint32_t flags)
+static u32 op_pix_ddr(u32 flags)
{
return flags & CCS_PLL_FLAG_OP_PIX_DDR ? 1 : 0;
}
@@ -250,8 +250,8 @@ static int check_ext_bounds(struct device *dev, struct ccs_pll *pll)
static void
ccs_pll_find_vt_sys_div(struct device *dev, const struct ccs_pll_limits *lim,
struct ccs_pll *pll, struct ccs_pll_branch_fr *pll_fr,
- uint16_t min_vt_div, uint16_t max_vt_div,
- uint16_t *min_sys_div, uint16_t *max_sys_div)
+ u16 min_vt_div, u16 max_vt_div,
+ u16 *min_sys_div, u16 *max_sys_div)
{
/*
* Find limits for sys_clk_div. Not all values are possible with all
@@ -259,11 +259,11 @@ ccs_pll_find_vt_sys_div(struct device *dev, const struct ccs_pll_limits *lim,
*/
*min_sys_div = lim->vt_bk.min_sys_clk_div;
dev_dbg(dev, "min_sys_div: %u\n", *min_sys_div);
- *min_sys_div = max_t(uint16_t, *min_sys_div,
+ *min_sys_div = max_t(u16, *min_sys_div,
DIV_ROUND_UP(min_vt_div,
lim->vt_bk.max_pix_clk_div));
dev_dbg(dev, "min_sys_div: max_vt_pix_clk_div: %u\n", *min_sys_div);
- *min_sys_div = max_t(uint16_t, *min_sys_div,
+ *min_sys_div = max_t(u16, *min_sys_div,
pll_fr->pll_op_clk_freq_hz
/ lim->vt_bk.max_sys_clk_freq_hz);
dev_dbg(dev, "min_sys_div: max_pll_op_clk_freq_hz: %u\n", *min_sys_div);
@@ -272,11 +272,11 @@ ccs_pll_find_vt_sys_div(struct device *dev, const struct ccs_pll_limits *lim,
*max_sys_div = lim->vt_bk.max_sys_clk_div;
dev_dbg(dev, "max_sys_div: %u\n", *max_sys_div);
- *max_sys_div = min_t(uint16_t, *max_sys_div,
+ *max_sys_div = min_t(u16, *max_sys_div,
DIV_ROUND_UP(max_vt_div,
lim->vt_bk.min_pix_clk_div));
dev_dbg(dev, "max_sys_div: min_vt_pix_clk_div: %u\n", *max_sys_div);
- *max_sys_div = min_t(uint16_t, *max_sys_div,
+ *max_sys_div = min_t(u16, *max_sys_div,
DIV_ROUND_UP(pll_fr->pll_op_clk_freq_hz,
lim->vt_bk.min_pix_clk_freq_hz));
dev_dbg(dev, "max_sys_div: min_vt_pix_clk_freq_hz: %u\n", *max_sys_div);
@@ -289,15 +289,15 @@ ccs_pll_find_vt_sys_div(struct device *dev, const struct ccs_pll_limits *lim,
static inline int
__ccs_pll_calculate_vt_tree(struct device *dev,
const struct ccs_pll_limits *lim,
- struct ccs_pll *pll, uint32_t mul, uint32_t div)
+ struct ccs_pll *pll, u32 mul, u32 div)
{
const struct ccs_pll_branch_limits_fr *lim_fr = &lim->vt_fr;
const struct ccs_pll_branch_limits_bk *lim_bk = &lim->vt_bk;
struct ccs_pll_branch_fr *pll_fr = &pll->vt_fr;
struct ccs_pll_branch_bk *pll_bk = &pll->vt_bk;
- uint32_t more_mul;
- uint16_t best_pix_div = SHRT_MAX >> 1, best_div;
- uint16_t vt_div, min_sys_div, max_sys_div, sys_div;
+ u32 more_mul;
+ u16 best_pix_div = SHRT_MAX >> 1, best_div;
+ u16 vt_div, min_sys_div, max_sys_div, sys_div;
pll_fr->pll_ip_clk_freq_hz =
pll->ext_clk_freq_hz / pll_fr->pre_pll_clk_div;
@@ -331,7 +331,7 @@ __ccs_pll_calculate_vt_tree(struct device *dev,
for (sys_div = min_sys_div; sys_div <= max_sys_div;
sys_div += 2 - (sys_div & 1)) {
- uint16_t pix_div;
+ u16 pix_div;
if (vt_div % sys_div)
continue;
@@ -379,9 +379,9 @@ static int ccs_pll_calculate_vt_tree(struct device *dev,
{
const struct ccs_pll_branch_limits_fr *lim_fr = &lim->vt_fr;
struct ccs_pll_branch_fr *pll_fr = &pll->vt_fr;
- uint16_t min_pre_pll_clk_div = lim_fr->min_pre_pll_clk_div;
- uint16_t max_pre_pll_clk_div = lim_fr->max_pre_pll_clk_div;
- uint32_t pre_mul, pre_div;
+ u16 min_pre_pll_clk_div = lim_fr->min_pre_pll_clk_div;
+ u16 max_pre_pll_clk_div = lim_fr->max_pre_pll_clk_div;
+ u32 pre_mul, pre_div;
pre_div = gcd(pll->pixel_rate_csi,
pll->ext_clk_freq_hz * pll->vt_lanes);
@@ -390,11 +390,11 @@ static int ccs_pll_calculate_vt_tree(struct device *dev,
/* Make sure PLL input frequency is within limits */
max_pre_pll_clk_div =
- min_t(uint16_t, max_pre_pll_clk_div,
+ min_t(u16, max_pre_pll_clk_div,
DIV_ROUND_UP(pll->ext_clk_freq_hz,
lim_fr->min_pll_ip_clk_freq_hz));
- min_pre_pll_clk_div = max_t(uint16_t, min_pre_pll_clk_div,
+ min_pre_pll_clk_div = max_t(u16, min_pre_pll_clk_div,
pll->ext_clk_freq_hz /
lim_fr->max_pll_ip_clk_freq_hz);
@@ -406,7 +406,7 @@ static int ccs_pll_calculate_vt_tree(struct device *dev,
pll_fr->pre_pll_clk_div +=
(pll->flags & CCS_PLL_FLAG_EXT_IP_PLL_DIVIDER) ? 1 :
2 - (pll_fr->pre_pll_clk_div & 1)) {
- uint32_t mul, div;
+ u32 mul, div;
int rval;
div = gcd(pre_mul * pll_fr->pre_pll_clk_div, pre_div);
@@ -440,13 +440,13 @@ ccs_pll_calculate_vt(struct device *dev, const struct ccs_pll_limits *lim,
const struct ccs_pll_branch_limits_bk *op_lim_bk,
struct ccs_pll *pll, struct ccs_pll_branch_fr *pll_fr,
struct ccs_pll_branch_bk *op_pll_bk, bool cphy,
- uint32_t phy_const)
+ u32 phy_const)
{
- uint16_t sys_div;
- uint16_t best_pix_div = SHRT_MAX >> 1;
- uint16_t vt_op_binning_div;
- uint16_t min_vt_div, max_vt_div, vt_div;
- uint16_t min_sys_div, max_sys_div;
+ u16 sys_div;
+ u16 best_pix_div = SHRT_MAX >> 1;
+ u16 vt_op_binning_div;
+ u16 min_vt_div, max_vt_div, vt_div;
+ u16 min_sys_div, max_sys_div;
if (pll->flags & CCS_PLL_FLAG_NO_OP_CLOCKS)
goto out_calc_pixel_rate;
@@ -500,18 +500,18 @@ ccs_pll_calculate_vt(struct device *dev, const struct ccs_pll_limits *lim,
/* Find smallest and biggest allowed vt divisor. */
dev_dbg(dev, "min_vt_div: %u\n", min_vt_div);
- min_vt_div = max_t(uint16_t, min_vt_div,
+ min_vt_div = max_t(u16, min_vt_div,
DIV_ROUND_UP(pll_fr->pll_op_clk_freq_hz,
lim->vt_bk.max_pix_clk_freq_hz));
dev_dbg(dev, "min_vt_div: max_vt_pix_clk_freq_hz: %u\n",
min_vt_div);
- min_vt_div = max_t(uint16_t, min_vt_div, lim->vt_bk.min_pix_clk_div
- * lim->vt_bk.min_sys_clk_div);
+ min_vt_div = max_t(u16, min_vt_div, lim->vt_bk.min_pix_clk_div
+ * lim->vt_bk.min_sys_clk_div);
dev_dbg(dev, "min_vt_div: min_vt_clk_div: %u\n", min_vt_div);
max_vt_div = lim->vt_bk.max_sys_clk_div * lim->vt_bk.max_pix_clk_div;
dev_dbg(dev, "max_vt_div: %u\n", max_vt_div);
- max_vt_div = min_t(uint16_t, max_vt_div,
+ max_vt_div = min_t(u16, max_vt_div,
DIV_ROUND_UP(pll_fr->pll_op_clk_freq_hz,
lim->vt_bk.min_pix_clk_freq_hz));
dev_dbg(dev, "max_vt_div: min_vt_pix_clk_freq_hz: %u\n",
@@ -526,12 +526,12 @@ ccs_pll_calculate_vt(struct device *dev, const struct ccs_pll_limits *lim,
* divisor.
*/
for (vt_div = min_vt_div; vt_div <= max_vt_div; vt_div++) {
- uint16_t __max_sys_div = vt_div & 1 ? 1 : max_sys_div;
+ u16 __max_sys_div = vt_div & 1 ? 1 : max_sys_div;
for (sys_div = min_sys_div; sys_div <= __max_sys_div;
sys_div += 2 - (sys_div & 1)) {
- uint16_t pix_div;
- uint16_t rounded_div;
+ u16 pix_div;
+ u16 rounded_div;
pix_div = DIV_ROUND_UP(vt_div, sys_div);
@@ -588,9 +588,9 @@ ccs_pll_calculate_op(struct device *dev, const struct ccs_pll_limits *lim,
const struct ccs_pll_branch_limits_fr *op_lim_fr,
const struct ccs_pll_branch_limits_bk *op_lim_bk,
struct ccs_pll *pll, struct ccs_pll_branch_fr *op_pll_fr,
- struct ccs_pll_branch_bk *op_pll_bk, uint32_t mul,
- uint32_t div, uint32_t op_sys_clk_freq_hz_sdr, uint32_t l,
- bool cphy, uint32_t phy_const)
+ struct ccs_pll_branch_bk *op_pll_bk, u32 mul,
+ u32 div, u32 op_sys_clk_freq_hz_sdr, u32 l,
+ bool cphy, u32 phy_const)
{
/*
* Higher multipliers (and divisors) are often required than
@@ -598,9 +598,9 @@ ccs_pll_calculate_op(struct device *dev, const struct ccs_pll_limits *lim,
* There are limits for all values in the clock tree. These
* are the minimum and maximum multiplier for mul.
*/
- uint32_t more_mul_min, more_mul_max;
- uint32_t more_mul_factor;
- uint32_t i;
+ u32 more_mul_min, more_mul_max;
+ u32 more_mul_factor;
+ u32 i;
/*
* Get pre_pll_clk_div so that our pll_op_clk_freq_hz won't be
@@ -614,7 +614,7 @@ ccs_pll_calculate_op(struct device *dev, const struct ccs_pll_limits *lim,
more_mul_max);
/* Don't go above max pll op frequency. */
more_mul_max =
- min_t(uint32_t,
+ min_t(u32,
more_mul_max,
op_lim_fr->max_pll_op_clk_freq_hz
/ (pll->ext_clk_freq_hz /
@@ -706,14 +706,14 @@ int ccs_pll_calculate(struct device *dev, const struct ccs_pll_limits *lim,
struct ccs_pll_branch_fr *op_pll_fr;
struct ccs_pll_branch_bk *op_pll_bk;
bool cphy = pll->bus_type == CCS_PLL_BUS_TYPE_CSI2_CPHY;
- uint32_t phy_const = cphy ? CPHY_CONST : DPHY_CONST;
- uint32_t op_sys_clk_freq_hz_sdr;
- uint16_t min_op_pre_pll_clk_div;
- uint16_t max_op_pre_pll_clk_div;
- uint32_t mul, div;
- uint32_t l = (!pll->op_bits_per_lane ||
- pll->op_bits_per_lane >= pll->bits_per_pixel) ? 1 : 2;
- uint32_t i;
+ u32 phy_const = cphy ? CPHY_CONST : DPHY_CONST;
+ u32 op_sys_clk_freq_hz_sdr;
+ u16 min_op_pre_pll_clk_div;
+ u16 max_op_pre_pll_clk_div;
+ u32 mul, div;
+ u32 l = (!pll->op_bits_per_lane ||
+ pll->op_bits_per_lane >= pll->bits_per_pixel) ? 1 : 2;
+ u32 i;
int rval = -EINVAL;
if (!(pll->flags & CCS_PLL_FLAG_LANE_SPEED_MODEL)) {
@@ -791,11 +791,11 @@ int ccs_pll_calculate(struct device *dev, const struct ccs_pll_limits *lim,
dev_dbg(dev, "min / max op_pre_pll_clk_div: %u / %u\n",
op_lim_fr->min_pre_pll_clk_div, op_lim_fr->max_pre_pll_clk_div);
max_op_pre_pll_clk_div =
- min_t(uint16_t, op_lim_fr->max_pre_pll_clk_div,
+ min_t(u16, op_lim_fr->max_pre_pll_clk_div,
clk_div_even(pll->ext_clk_freq_hz /
op_lim_fr->min_pll_ip_clk_freq_hz));
min_op_pre_pll_clk_div =
- max_t(uint16_t, op_lim_fr->min_pre_pll_clk_div,
+ max_t(u16, op_lim_fr->min_pre_pll_clk_div,
clk_div_even_up(
DIV_ROUND_UP(pll->ext_clk_freq_hz,
op_lim_fr->max_pll_ip_clk_freq_hz)));
@@ -809,7 +809,7 @@ int ccs_pll_calculate(struct device *dev, const struct ccs_pll_limits *lim,
dev_dbg(dev, "mul %u / div %u\n", mul, div);
min_op_pre_pll_clk_div =
- max_t(uint16_t, min_op_pre_pll_clk_div,
+ max_t(u16, min_op_pre_pll_clk_div,
clk_div_even_up(
mul /
one_or_more(
@@ -877,4 +877,4 @@ EXPORT_SYMBOL_GPL(ccs_pll_calculate);
MODULE_AUTHOR("Sakari Ailus <sakari.ailus@linux.intel.com>");
MODULE_DESCRIPTION("Generic MIPI CCS/SMIA/SMIA++ PLL calculator");
-MODULE_LICENSE("GPL v2");
+MODULE_LICENSE("GPL");