* (C) Copyright 2010
* Stefano Babic, DENX Software Engineering, sbabic@denx.de
*
- * Linux IPU driver for MX51:
+ * Linux IPU driver
*
- * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
+ * (C) Copyright 2005-2011 Freescale Semiconductor, Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* #define DEBUG */
#include <common.h>
+#include <div64.h>
+#include <ipu.h>
#include <linux/types.h>
#include <linux/err.h>
#include <asm/io.h>
#include <asm/errno.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
-#include "ipu.h"
+#include <asm/arch/clock.h>
+
#include "ipu_regs.h"
-extern struct mxc_ccm_reg *mxc_ccm;
-extern u32 *ipu_cpmem_base;
+static struct mxc_ccm_reg __maybe_unused *mxc_ccm = (void *)CCM_BASE_ADDR;
struct ipu_ch_param_word {
uint32_t data[5];
#define ipu_ch_param_addr(ch) (((struct ipu_ch_param *)ipu_cpmem_base) + (ch))
#define _param_word(base, w) \
- (((struct ipu_ch_param *)(base))->word[(w)].data)
+ (((struct ipu_ch_param *)(base))->word[w].data)
-#define ipu_ch_param_set_field(base, w, bit, size, v) { \
- int i = (bit) / 32; \
- int off = (bit) % 32; \
- _param_word(base, w)[i] |= (v) << off; \
- if (((bit) + (size) - 1) / 32 > i) { \
+#define ipu_ch_param_set_field(base, w, bit, size, v) { \
+ int i = (bit) / 32; \
+ int off = (bit) % 32; \
+ _param_word(base, w)[i] |= (v) << off; \
+ if (((bit) + (size) - 1) / 32 > i) { \
_param_word(base, w)[i + 1] |= (v) >> (off ? (32 - off) : 0); \
- } \
+ } \
}
-#define ipu_ch_param_mod_field(base, w, bit, size, v) { \
- int i = (bit) / 32; \
- int off = (bit) % 32; \
- u32 mask = (1UL << size) - 1; \
- u32 temp = _param_word(base, w)[i]; \
- temp &= ~(mask << off); \
- _param_word(base, w)[i] = temp | (v) << off; \
- if (((bit) + (size) - 1) / 32 > i) { \
- temp = _param_word(base, w)[i + 1]; \
- temp &= ~(mask >> (32 - off)); \
- _param_word(base, w)[i + 1] = \
+#define ipu_ch_param_mod_field(base, w, bit, size, v) { \
+ int i = (bit) / 32; \
+ int off = (bit) % 32; \
+ u32 mask = (1UL << size) - 1; \
+ u32 temp = _param_word(base, w)[i]; \
+ temp &= ~(mask << off); \
+ _param_word(base, w)[i] = temp | (v) << off; \
+ if (((bit) + (size) - 1) / 32 > i) { \
+ temp = _param_word(base, w)[i + 1]; \
+ temp &= ~(mask >> (32 - off)); \
+ _param_word(base, w)[i + 1] = \
temp | ((v) >> (off ? (32 - off) : 0)); \
- } \
+ } \
}
-#define ipu_ch_param_read_field(base, w, bit, size) ({ \
- u32 temp2; \
- int i = (bit) / 32; \
- int off = (bit) % 32; \
- u32 mask = (1UL << size) - 1; \
- u32 temp1 = _param_word(base, w)[i]; \
- temp1 = mask & (temp1 >> off); \
- if (((bit)+(size) - 1) / 32 > i) { \
- temp2 = _param_word(base, w)[i + 1]; \
- temp2 &= mask >> (off ? (32 - off) : 0); \
- temp1 |= temp2 << (off ? (32 - off) : 0); \
- } \
- temp1; \
+#define ipu_ch_param_read_field(base, w, bit, size) ({ \
+ u32 temp2; \
+ int i = (bit) / 32; \
+ int off = (bit) % 32; \
+ u32 mask = (1UL << size) - 1; \
+ u32 temp1 = _param_word(base, w)[i]; \
+ temp1 = mask & (temp1 >> off); \
+ if (((bit)+(size) - 1) / 32 > i) { \
+ temp2 = _param_word(base, w)[i + 1]; \
+ temp2 &= mask >> (off ? (32 - off) : 0); \
+ temp1 |= temp2 << (off ? (32 - off) : 0); \
+ } \
+ temp1; \
})
+#define IPU_SW_RST_TOUT_USEC 10000
-void clk_enable(struct clk *clk)
-{
- if (clk) {
- if (clk->usecount++ == 0) {
- clk->enable(clk);
- }
- }
-}
-
-void clk_disable(struct clk *clk)
-{
- if (clk) {
- if (!(--clk->usecount)) {
- if (clk->disable)
- clk->disable(clk);
- }
- }
-}
-
-int clk_get_usecount(struct clk *clk)
-{
- if (clk == NULL)
- return 0;
-
- return clk->usecount;
-}
-
-u32 clk_get_rate(struct clk *clk)
-{
- if (!clk)
- return 0;
-
- return clk->rate;
-}
-
-struct clk *clk_get_parent(struct clk *clk)
-{
- if (!clk)
- return 0;
-
- return clk->parent;
-}
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
+static int clk_ipu_enable(struct clk *clk)
{
- if (clk && clk->set_rate)
- clk->set_rate(clk, rate);
- return clk->rate;
+ ipu_clk_enable();
+ return 0;
}
-long clk_round_rate(struct clk *clk, unsigned long rate)
+static void clk_ipu_disable(struct clk *clk)
{
- if (clk == NULL || !clk->round_rate)
- return 0;
-
- return clk->round_rate(clk, rate);
+ ipu_clk_disable();
}
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
- clk->parent = parent;
- if (clk->set_parent)
- return clk->set_parent(clk, parent);
- return 0;
-}
+static struct clk ipu_clk = {
+ .name = "ipu_clk",
+ .rate = CONFIG_IPUV3_CLK,
+ .enable = clk_ipu_enable,
+ .disable = clk_ipu_disable,
+};
-static int clk_ipu_enable(struct clk *clk)
+static int clk_ldb_enable(struct clk *clk)
{
- u32 reg;
-
- reg = __raw_readl(clk->enable_reg);
- reg |= MXC_CCM_CCGR_CG_MASK << clk->enable_shift;
- __raw_writel(reg, clk->enable_reg);
-
- /* Handshake with IPU when certain clock rates are changed. */
- reg = __raw_readl(&mxc_ccm->ccdr);
- reg &= ~MXC_CCM_CCDR_IPU_HS_MASK;
- __raw_writel(reg, &mxc_ccm->ccdr);
-
- /* Handshake with IPU when LPM is entered as its enabled. */
- reg = __raw_readl(&mxc_ccm->clpcr);
- reg &= ~MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS;
- __raw_writel(reg, &mxc_ccm->clpcr);
-
+ ldb_clk_enable(0);
+ ldb_clk_enable(1);
return 0;
}
-static void clk_ipu_disable(struct clk *clk)
+static void clk_ldb_disable(struct clk *clk)
{
- u32 reg;
-
- reg = __raw_readl(clk->enable_reg);
- reg &= ~(MXC_CCM_CCGR_CG_MASK << clk->enable_shift);
- __raw_writel(reg, clk->enable_reg);
-
- /*
- * No handshake with IPU whe dividers are changed
- * as its not enabled.
- */
- reg = __raw_readl(&mxc_ccm->ccdr);
- reg |= MXC_CCM_CCDR_IPU_HS_MASK;
- __raw_writel(reg, &mxc_ccm->ccdr);
-
- /* No handshake with IPU when LPM is entered as its not enabled. */
- reg = __raw_readl(&mxc_ccm->clpcr);
- reg |= MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS;
- __raw_writel(reg, &mxc_ccm->clpcr);
+ ldb_clk_disable(0);
+ ldb_clk_disable(1);
}
+#if !defined CONFIG_SYS_LDB_CLOCK
+#define CONFIG_SYS_LDB_CLOCK 65000000
+#endif
-static struct clk ipu_clk = {
- .name = "ipu_clk",
- .rate = 133000000,
- .enable_reg = (u32 *)(MXC_CCM_BASE +
- offsetof(struct mxc_ccm_reg, CCGR5)),
- .enable_shift = MXC_CCM_CCGR5_CG5_OFFSET,
- .enable = clk_ipu_enable,
- .disable = clk_ipu_disable,
- .usecount = 0,
+static struct clk ldb_clk = {
+ .name = "ldb_clk",
+ .rate = CONFIG_SYS_LDB_CLOCK,
+ .enable = clk_ldb_enable,
+ .disable = clk_ldb_disable,
};
/* Globals */
-struct clk *g_ipu_clk;
-unsigned char g_ipu_clk_enabled;
+struct clk *g_ipu_clk = &ipu_clk;
+struct clk *g_ldb_clk = &ldb_clk;
struct clk *g_di_clk[2];
struct clk *g_pixel_clk[2];
unsigned char g_dc_di_assignment[10];
-uint32_t g_channel_init_mask;
-uint32_t g_channel_enable_mask;
+int g_ipu_clk_enabled;
+u32 *ipu_dc_tmpl_reg;
+static uint32_t g_channel_init_mask;
+static uint32_t g_channel_enable_mask;
static int ipu_dc_use_count;
static int ipu_dp_use_count;
static int ipu_dmfc_use_count;
static int ipu_di_use_count[2];
-u32 *ipu_cpmem_base;
-u32 *ipu_dc_tmpl_reg;
+static u32 *ipu_cpmem_base;
/* Static functions */
static void ipu_pixel_clk_recalc(struct clk *clk)
{
u32 div = __raw_readl(DI_BS_CLKGEN0(clk->id));
+ u64 parent_rate = (u64)clk->parent->rate * 16;
+
if (div == 0)
clk->rate = 0;
else
- clk->rate = (clk->parent->rate * 16) / div;
+ clk->rate = lldiv(parent_rate, div);
}
static unsigned long ipu_pixel_clk_round_rate(struct clk *clk,
unsigned long rate)
{
u32 div, div1;
- u32 tmp;
+ u64 tmp;
+
/*
* Calculate divider
* Fractional part is 4 bits,
* so simply multiply by 2^4 to get fractional part.
*/
- tmp = (clk->parent->rate * 16);
- div = tmp / rate;
+ tmp = (u64)clk->parent->rate * 16;
+ div = lldiv(tmp, rate);
if (div < 0x10) /* Min DI disp clock divider is 1 */
div = 0x10;
- if (div & ~0xFEF)
+ if (div & ~0xFEF) {
div &= 0xFF8;
- else {
+ } else {
div1 = div & 0xFE0;
- if ((tmp/div1 - tmp/div) < rate / 4)
+
+ if ((lldiv(tmp, div1) - lldiv(tmp, div)) < rate / 4)
div = div1;
else
div &= 0xFF8;
}
- return (clk->parent->rate * 16) / div;
+ do_div(tmp, div);
+#if 1
+ debug("%s: requested rate: %lu.%03luMHz parent_rate: %lu.%03luMHz actual rate: %llu.%03lluMHz div: %u.%u\n", __func__,
+ rate / 1000000, rate / 1000 % 1000,
+ clk->parent->rate / 1000000, clk->parent->rate / 1000 % 1000,
+ lldiv(tmp, 1000000), lldiv(tmp, 1000) % 1000, div / 16, div % 16);
+#endif
+ return tmp;
}
static int ipu_pixel_clk_set_rate(struct clk *clk, unsigned long rate)
{
- u32 div = (clk->parent->rate * 16) / rate;
+ u64 parent_rate = (u64)clk->parent->rate * 16;
+ u32 div = lldiv(parent_rate, rate);
+
+ debug("%s: parent_rate: %lu.%03luMHz actual rate: %lu.%03luMHz div: %u.%u\n", __func__,
+ clk->parent->rate / 1000000, clk->parent->rate / 1000 % 1000,
+ rate / 1000000, rate / 1000 % 1000, div / 16, div % 16);
__raw_writel(div, DI_BS_CLKGEN0(clk->id));
/* Setup pixel clock timing */
__raw_writel((div / 16) << 16, DI_BS_CLKGEN1(clk->id));
-
- clk->rate = (clk->parent->rate * 16) / div;
+ clk->rate = lldiv(parent_rate, div);
+ debug("%s: pix_clk=%lu.%03luMHz\n", __func__,
+ clk->rate / 1000000, clk->rate / 1000 % 1000);
return 0;
}
u32 disp_gen = __raw_readl(IPU_DISP_GEN);
disp_gen &= clk->id ? ~DI1_COUNTER_RELEASE : ~DI0_COUNTER_RELEASE;
__raw_writel(disp_gen, IPU_DISP_GEN);
-
}
static int ipu_pixel_clk_set_parent(struct clk *clk, struct clk *parent)
{
- u32 di_gen = __raw_readl(DI_GENERAL(clk->id));
+ int ret;
+ u32 di_gen;
+
+ ret = clk_enable(clk);
+ if (ret)
+ return ret;
+
+ di_gen = __raw_readl(DI_GENERAL(clk->id));
if (parent == g_ipu_clk)
di_gen &= ~DI_GEN_DI_CLK_EXT;
- else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_di_clk[clk->id])
+ else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_ldb_clk)
di_gen |= DI_GEN_DI_CLK_EXT;
else
- return -EINVAL;
+ goto err;
+ ret = clk_enable(parent);
+ if (ret)
+ goto err;
__raw_writel(di_gen, DI_GENERAL(clk->id));
ipu_pixel_clk_recalc(clk);
- return 0;
+ clk->disable(clk->parent);
+ clk->parent = parent;
+err:
+ clk_disable(clk);
+ return ret;
}
static struct clk pixel_clk[] = {
{
- .name = "pixel_clk",
- .id = 0,
- .recalc = ipu_pixel_clk_recalc,
- .set_rate = ipu_pixel_clk_set_rate,
- .round_rate = ipu_pixel_clk_round_rate,
- .set_parent = ipu_pixel_clk_set_parent,
- .enable = ipu_pixel_clk_enable,
- .disable = ipu_pixel_clk_disable,
- .usecount = 0,
+ .name = "pixel_clk",
+ .id = 0,
+ .recalc = ipu_pixel_clk_recalc,
+ .set_rate = ipu_pixel_clk_set_rate,
+ .round_rate = ipu_pixel_clk_round_rate,
+ .set_parent = ipu_pixel_clk_set_parent,
+ .enable = ipu_pixel_clk_enable,
+ .disable = ipu_pixel_clk_disable,
+ },
+ {
+ .name = "pixel_clk",
+ .id = 1,
+ .recalc = ipu_pixel_clk_recalc,
+ .set_rate = ipu_pixel_clk_set_rate,
+ .round_rate = ipu_pixel_clk_round_rate,
+ .set_parent = ipu_pixel_clk_set_parent,
+ .enable = ipu_pixel_clk_enable,
+ .disable = ipu_pixel_clk_disable,
+ },
+};
+
+static int clk_ipu_di_enable(struct clk *clk)
+{
+ ipu_di_clk_enable(clk->id);
+ return 0;
+}
+
+static void clk_ipu_di_disable(struct clk *clk)
+{
+ ipu_di_clk_disable(clk->id);
+}
+
+static struct clk di_clk[] = {
+ {
+ .name = "ipu_di_clk",
+ .id = 0,
+ .enable = clk_ipu_di_enable,
+ .disable = clk_ipu_di_disable,
},
{
- .name = "pixel_clk",
- .id = 1,
- .recalc = ipu_pixel_clk_recalc,
- .set_rate = ipu_pixel_clk_set_rate,
- .round_rate = ipu_pixel_clk_round_rate,
- .set_parent = ipu_pixel_clk_set_parent,
- .enable = ipu_pixel_clk_enable,
- .disable = ipu_pixel_clk_disable,
- .usecount = 0,
+ .name = "ipu_di_clk",
+ .id = 1,
+ .enable = clk_ipu_di_enable,
+ .disable = clk_ipu_di_disable,
},
};
/*
* This function resets IPU
*/
-void ipu_reset(void)
+static void ipu_reset(void)
{
u32 *reg;
u32 value;
+ int timeout = IPU_SW_RST_TOUT_USEC;
reg = (u32 *)SRC_BASE_ADDR;
value = __raw_readl(reg);
value = value | SW_IPU_RST;
__raw_writel(value, reg);
+
+ while (__raw_readl(reg) & SW_IPU_RST) {
+ udelay(1);
+ if (!(timeout--)) {
+ printf("ipu software reset timeout\n");
+ break;
+ }
+ };
}
/*
*
* @return Returns 0 on success or negative error code on error
*/
-int ipu_probe(void)
+int ipu_probe(int di, ipu_di_clk_parent_t di_clk_parent, int di_clk_val)
{
- unsigned long ipu_base;
+ int ret;
+ void *ipu_base;
+ unsigned long start;
+#if defined CONFIG_SOC_MX51
u32 temp;
-
u32 *reg_hsc_mcd = (u32 *)MIPI_HSC_BASE_ADDR;
u32 *reg_hsc_mxt_conf = (u32 *)(MIPI_HSC_BASE_ADDR + 0x800);
__raw_writel(0xF00, reg_hsc_mcd);
- /* CSI mode reserved*/
+ /* CSI mode reserved */
temp = __raw_readl(reg_hsc_mxt_conf);
__raw_writel(temp | 0x0FF, reg_hsc_mxt_conf);
temp = __raw_readl(reg_hsc_mxt_conf);
__raw_writel(temp | 0x10000, reg_hsc_mxt_conf);
-
- ipu_base = IPU_CTRL_BASE_ADDR;
- ipu_cpmem_base = (u32 *)(ipu_base + IPU_CPMEM_REG_BASE);
- ipu_dc_tmpl_reg = (u32 *)(ipu_base + IPU_DC_TMPL_REG_BASE);
+#endif
+ ipu_base = (void *)IPU_SOC_BASE_ADDR;
+ /* base fixup */
+ if (gd->arch.ipu_hw_rev == IPUV3_HW_REV_IPUV3H) /* IPUv3H */
+ ipu_base += IPUV3H_REG_BASE;
+ else if (gd->arch.ipu_hw_rev == IPUV3_HW_REV_IPUV3M) /* IPUv3M */
+ ipu_base += IPUV3M_REG_BASE;
+ else /* IPUv3D, v3E, v3EX */
+ ipu_base += IPUV3DEX_REG_BASE;
+ ipu_cpmem_base = ipu_base + IPU_CPMEM_REG_BASE;
+ ipu_dc_tmpl_reg = ipu_base + IPU_DC_TMPL_REG_BASE;
+
+ printf("IPU HW Rev: %d\n", gd->arch.ipu_hw_rev);
g_pixel_clk[0] = &pixel_clk[0];
g_pixel_clk[1] = &pixel_clk[1];
- g_ipu_clk = &ipu_clk;
+ g_di_clk[0] = &di_clk[0];
+ g_di_clk[1] = &di_clk[1];
+ g_di_clk[di]->rate = di_clk_val;
+
debug("ipu_clk = %u\n", clk_get_rate(g_ipu_clk));
+ debug("ldb_clk = %u\n", clk_get_rate(g_ldb_clk));
+ ret = clk_enable(g_ipu_clk);
+ if (ret)
+ return ret;
ipu_reset();
- clk_set_parent(g_pixel_clk[0], g_ipu_clk);
- clk_set_parent(g_pixel_clk[1], g_ipu_clk);
- clk_enable(g_ipu_clk);
-
- g_di_clk[0] = NULL;
- g_di_clk[1] = NULL;
+ if (di_clk_parent == DI_PCLK_LDB) {
+ clk_set_parent(g_pixel_clk[di], g_ldb_clk);
+ } else {
+ clk_set_parent(g_pixel_clk[0], g_ipu_clk);
+ clk_set_parent(g_pixel_clk[1], g_ipu_clk);
+ }
__raw_writel(0x807FFFFF, IPU_MEM_RST);
- while (__raw_readl(IPU_MEM_RST) & 0x80000000)
- ;
+ start = get_timer_masked();
+ while (__raw_readl(IPU_MEM_RST) & 0x80000000) {
+ if (get_timer(start) > CONFIG_SYS_HZ)
+ return -ETIME;
+ }
ipu_init_dc_mappings();
void ipu_dump_registers(void)
{
- debug("IPU_CONF = \t0x%08X\n", __raw_readl(IPU_CONF));
- debug("IDMAC_CONF = \t0x%08X\n", __raw_readl(IDMAC_CONF));
- debug("IDMAC_CHA_EN1 = \t0x%08X\n",
+ debug("IPU_CONF 0x%08X\n", __raw_readl(IPU_CONF));
+ debug("IDMAC_CONF 0x%08X\n", __raw_readl(IDMAC_CONF));
+ debug("IDMAC_CHA_EN1 0x%08X\n",
__raw_readl(IDMAC_CHA_EN(0)));
- debug("IDMAC_CHA_EN2 = \t0x%08X\n",
+ debug("IDMAC_CHA_EN2 0x%08X\n",
__raw_readl(IDMAC_CHA_EN(32)));
- debug("IDMAC_CHA_PRI1 = \t0x%08X\n",
+ debug("IDMAC_CHA_PRI1 0x%08X\n",
__raw_readl(IDMAC_CHA_PRI(0)));
- debug("IDMAC_CHA_PRI2 = \t0x%08X\n",
+ debug("IDMAC_CHA_PRI2 0x%08X\n",
__raw_readl(IDMAC_CHA_PRI(32)));
- debug("IPU_CHA_DB_MODE_SEL0 = \t0x%08X\n",
+ debug("IPU_CHA_DB_MODE_SEL0 0x%08X\n",
__raw_readl(IPU_CHA_DB_MODE_SEL(0)));
- debug("IPU_CHA_DB_MODE_SEL1 = \t0x%08X\n",
+ debug("IPU_CHA_DB_MODE_SEL1 0x%08X\n",
__raw_readl(IPU_CHA_DB_MODE_SEL(32)));
- debug("DMFC_WR_CHAN = \t0x%08X\n",
+ debug("DMFC_WR_CHAN 0x%08X\n",
__raw_readl(DMFC_WR_CHAN));
- debug("DMFC_WR_CHAN_DEF = \t0x%08X\n",
+ debug("DMFC_WR_CHAN_DEF 0x%08X\n",
__raw_readl(DMFC_WR_CHAN_DEF));
- debug("DMFC_DP_CHAN = \t0x%08X\n",
+ debug("DMFC_DP_CHAN 0x%08X\n",
__raw_readl(DMFC_DP_CHAN));
- debug("DMFC_DP_CHAN_DEF = \t0x%08X\n",
+ debug("DMFC_DP_CHAN_DEF 0x%08X\n",
__raw_readl(DMFC_DP_CHAN_DEF));
- debug("DMFC_IC_CTRL = \t0x%08X\n",
+ debug("DMFC_IC_CTRL 0x%08X\n",
__raw_readl(DMFC_IC_CTRL));
- debug("IPU_FS_PROC_FLOW1 = \t0x%08X\n",
+ debug("IPU_FS_PROC_FLOW1 0x%08X\n",
__raw_readl(IPU_FS_PROC_FLOW1));
- debug("IPU_FS_PROC_FLOW2 = \t0x%08X\n",
+ debug("IPU_FS_PROC_FLOW2 0x%08X\n",
__raw_readl(IPU_FS_PROC_FLOW2));
- debug("IPU_FS_PROC_FLOW3 = \t0x%08X\n",
+ debug("IPU_FS_PROC_FLOW3 0x%08X\n",
__raw_readl(IPU_FS_PROC_FLOW3));
- debug("IPU_FS_DISP_FLOW1 = \t0x%08X\n",
+ debug("IPU_FS_DISP_FLOW1 0x%08X\n",
__raw_readl(IPU_FS_DISP_FLOW1));
}
break;
default:
printf("Missing channel initialization\n");
- break;
}
/* Enable IPU sub module */
ipu_conf |= IPU_CONF_DMFC_EN;
if (ipu_di_use_count[0] == 1) {
ipu_conf |= IPU_CONF_DI0_EN;
+ clk_enable(g_di_clk[0]);
}
if (ipu_di_use_count[1] == 1) {
ipu_conf |= IPU_CONF_DI1_EN;
+ clk_enable(g_di_clk[1]);
}
__raw_writel(ipu_conf, IPU_CONF);
if (idma_is_set(IDMAC_CHA_EN, in_dma) ||
idma_is_set(IDMAC_CHA_EN, out_dma)) {
- printf(
- "Channel %d is not disabled, disable first\n",
+ printf("Channel %d is not disabled, disable first\n",
IPU_CHAN_ID(channel));
return;
}
ipu_conf &= ~IPU_CONF_DP_EN;
if (ipu_dmfc_use_count == 0)
ipu_conf &= ~IPU_CONF_DMFC_EN;
- if (ipu_di_use_count[0] == 0) {
+ if (ipu_di_use_count[0] == 0 && ipu_conf & IPU_CONF_DI0_EN) {
ipu_conf &= ~IPU_CONF_DI0_EN;
+ clk_disable(g_di_clk[0]);
}
- if (ipu_di_use_count[1] == 0) {
+ if (ipu_di_use_count[1] == 0 && ipu_conf & IPU_CONF_DI1_EN) {
ipu_conf &= ~IPU_CONF_DI1_EN;
+ clk_disable(g_di_clk[1]);
}
__raw_writel(ipu_conf, IPU_CONF);
+ /* clear interrupt status */
+ __raw_writel(__raw_readl(IPU_STAT), IPU_STAT);
+
if (ipu_conf == 0) {
clk_disable(g_ipu_clk);
g_ipu_clk_enabled = 0;
}
-
}
static inline void ipu_ch_param_dump(int ch)
{
uint32_t u_offset = 0;
uint32_t v_offset = 0;
- struct ipu_ch_param params;
-
- memset(¶ms, 0, sizeof(params));
- ipu_ch_param_set_field(¶ms, 0, 125, 13, width - 1);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 125, 13, width - 1);
if ((ch == 8) || (ch == 9) || (ch == 10)) {
- ipu_ch_param_set_field(¶ms, 0, 138, 12, (height / 2) - 1);
- ipu_ch_param_set_field(¶ms, 1, 102, 14, (stride * 2) - 1);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 138, 12, (height / 2) - 1);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 102, 14, (stride * 2) - 1);
} else {
- ipu_ch_param_set_field(¶ms, 0, 138, 12, height - 1);
- ipu_ch_param_set_field(¶ms, 1, 102, 14, stride - 1);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 138, 12, height - 1);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 102, 14, stride - 1);
}
- ipu_ch_param_set_field(¶ms, 1, 0, 29, addr0 >> 3);
- ipu_ch_param_set_field(¶ms, 1, 29, 29, addr1 >> 3);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 0, 29, addr0 >> 3);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 29, 29, addr1 >> 3);
switch (pixel_fmt) {
case IPU_PIX_FMT_GENERIC:
/*Represents 8-bit Generic data */
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 5); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 6); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 63); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 5); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 6); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 63); /* burst size */
break;
case IPU_PIX_FMT_GENERIC_32:
/*Represents 32-bit Generic data */
break;
case IPU_PIX_FMT_RGB565:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 3); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 15); /* burst size */
- ipu_ch_params_set_packing(¶ms, 5, 0, 6, 5, 5, 11, 8, 16);
+ ipu_ch_params_set_packing(ipu_ch_param_addr(ch), 5, 0, 6, 5, 5, 11, 8, 16);
break;
case IPU_PIX_FMT_BGR24:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 1); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 19); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 1); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 19); /* burst size */
- ipu_ch_params_set_packing(¶ms, 8, 0, 8, 8, 8, 16, 8, 24);
+ ipu_ch_params_set_packing(ipu_ch_param_addr(ch), 8, 0, 8, 8, 8, 16, 8, 24);
break;
case IPU_PIX_FMT_RGB24:
case IPU_PIX_FMT_YUV444:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 1); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 19); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 1); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 19); /* burst size */
- ipu_ch_params_set_packing(¶ms, 8, 16, 8, 8, 8, 0, 8, 24);
+ ipu_ch_params_set_packing(ipu_ch_param_addr(ch), 8, 16, 8, 8, 8, 0, 8, 24);
break;
case IPU_PIX_FMT_BGRA32:
case IPU_PIX_FMT_BGR32:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 0); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 15); /* burst size */
- ipu_ch_params_set_packing(¶ms, 8, 8, 8, 16, 8, 24, 8, 0);
+ ipu_ch_params_set_packing(ipu_ch_param_addr(ch), 8, 8, 8, 16, 8, 24, 8, 0);
break;
case IPU_PIX_FMT_RGBA32:
case IPU_PIX_FMT_RGB32:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 0); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 15); /* burst size */
- ipu_ch_params_set_packing(¶ms, 8, 24, 8, 16, 8, 8, 8, 0);
+ ipu_ch_params_set_packing(ipu_ch_param_addr(ch), 8, 24, 8, 16, 8, 8, 8, 0);
break;
case IPU_PIX_FMT_ABGR32:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 0); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 7); /* pix format */
- ipu_ch_params_set_packing(¶ms, 8, 0, 8, 8, 8, 16, 8, 24);
+ ipu_ch_params_set_packing(ipu_ch_param_addr(ch), 8, 0, 8, 8, 8, 16, 8, 24);
break;
case IPU_PIX_FMT_UYVY:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 0xA); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 3); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 0xA); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 15); /* burst size */
break;
case IPU_PIX_FMT_YUYV:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 0x8); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 107, 3, 3); /* bits/pixel */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 0x8); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 31); /* burst size */
break;
case IPU_PIX_FMT_YUV420P2:
case IPU_PIX_FMT_YUV420P:
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 2); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 2); /* pix format */
if (uv_stride < stride / 2)
uv_stride = stride / 2;
v_offset = u_offset + (uv_stride * height / 2);
/* burst size */
if ((ch == 8) || (ch == 9) || (ch == 10)) {
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 15);
uv_stride = uv_stride*2;
} else {
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 31);
}
break;
case IPU_PIX_FMT_YVU422P:
/* BPP & pixel format */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 1); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 1); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 31); /* burst size */
if (uv_stride < stride / 2)
uv_stride = stride / 2;
break;
case IPU_PIX_FMT_YUV422P:
/* BPP & pixel format */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 1); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 1); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 31); /* burst size */
if (uv_stride < stride / 2)
uv_stride = stride / 2;
break;
case IPU_PIX_FMT_NV12:
/* BPP & pixel format */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 4); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 85, 4, 4); /* pix format */
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 78, 7, 31); /* burst size */
uv_stride = stride;
u_offset = (u == 0) ? stride * height : u;
break;
default:
- puts("mxc ipu: unimplemented pixel format\n");
- break;
+ printf("mxc ipu: unimplemented pixel format: %08x\n",
+ pixel_fmt);
}
if (uv_stride)
- ipu_ch_param_set_field(¶ms, 1, 128, 14, uv_stride - 1);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 1, 128, 14, uv_stride - 1);
/* Get the uv offset from user when need cropping */
if (u || v) {
if (v_offset/8 > 0x3fffff)
puts("The value of V offset exceeds IPU limitation\n");
- ipu_ch_param_set_field(¶ms, 0, 46, 22, u_offset / 8);
- ipu_ch_param_set_field(¶ms, 0, 68, 22, v_offset / 8);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 46, 22, u_offset / 8);
+ ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 68, 22, v_offset / 8);
debug("initializing idma ch %d @ %p\n", ch, ipu_ch_param_addr(ch));
- memcpy(ipu_ch_param_addr(ch), ¶ms, sizeof(params));
};
/*
stride = width * bytes_per_pixel(pixel_fmt);
if (stride % 4) {
- printf(
- "Stride not 32-bit aligned, stride = %d\n", stride);
+ printf("Stride %d not 32-bit aligned\n", stride);
return -EINVAL;
}
/* Build parameter memory data for DMA channel */
}
if ((channel == MEM_DC_SYNC) || (channel == MEM_BG_SYNC) ||
- (channel == MEM_FG_SYNC))
+ (channel == MEM_FG_SYNC)) {
+ reg = __raw_readl(IDMAC_WM_EN(in_dma));
+ __raw_writel(reg | idma_mask(in_dma), IDMAC_WM_EN(in_dma));
+
ipu_dp_dc_enable(channel);
+ }
g_channel_enable_mask |= 1L << IPU_CHAN_ID(channel);
uint32_t bytes_per_pixel(uint32_t fmt)
{
switch (fmt) {
- case IPU_PIX_FMT_GENERIC: /*generic data */
+ case IPU_PIX_FMT_GENERIC: /* generic data */
case IPU_PIX_FMT_RGB332:
case IPU_PIX_FMT_YUV420P:
case IPU_PIX_FMT_YUV422P:
return 1;
- break;
case IPU_PIX_FMT_RGB565:
case IPU_PIX_FMT_YUYV:
case IPU_PIX_FMT_UYVY:
return 2;
- break;
case IPU_PIX_FMT_BGR24:
case IPU_PIX_FMT_RGB24:
return 3;
- break;
- case IPU_PIX_FMT_GENERIC_32: /*generic data */
+ case IPU_PIX_FMT_GENERIC_32: /* generic data */
case IPU_PIX_FMT_BGR32:
case IPU_PIX_FMT_BGRA32:
case IPU_PIX_FMT_RGB32:
case IPU_PIX_FMT_RGBA32:
case IPU_PIX_FMT_ABGR32:
return 4;
- break;
default:
return 1;
- break;
}
return 0;
}
case IPU_PIX_FMT_LVDS666:
case IPU_PIX_FMT_LVDS888:
return RGB;
- break;
default:
return YCbCr;
- break;
}
return RGB;
}
+
+/* should be removed when clk framework is availiable */
+int ipu_set_ldb_clock(int rate)
+{
+ ldb_clk.rate = rate;
+
+ return 0;
+}
projects / karo-tx-uboot.git / blobdiff