module_param(debug, uint, 0644);
MODULE_PARM_DESC(debug, "activates debug info");
-#define cal_dbg(level, caldev, fmt, arg...) \
- v4l2_dbg(level, debug, &caldev->v4l2_dev, fmt, ##arg)
-#define cal_info(caldev, fmt, arg...) \
- v4l2_info(&caldev->v4l2_dev, fmt, ##arg)
-#define cal_err(caldev, fmt, arg...) \
- v4l2_err(&caldev->v4l2_dev, fmt, ##arg)
+#define cal_dbg(level, cal, fmt, arg...) \
+ v4l2_dbg(level, debug, &cal->v4l2_dev, fmt, ##arg)
+#define cal_info(cal, fmt, arg...) \
+ v4l2_info(&cal->v4l2_dev, fmt, ##arg)
+#define cal_err(cal, fmt, arg...) \
+ v4l2_err(&cal->v4l2_dev, fmt, ##arg)
#define ctx_dbg(level, ctx, fmt, arg...) \
v4l2_dbg(level, debug, &ctx->v4l2_dev, fmt, ##arg)
* DMA contexts.
*
* The cal_dev structure represents the whole subsystem, including the CAL and
- * the CAMERARX instances. The cal_camerarx structure represents one CAMERARX
- * instance. The cal_ctx structure represents the combination of one CSI-2
- * context, one processing context and one DMA context.
+ * the CAMERARX instances. Instances of struct cal_dev are named cal through the
+ * driver.
+ *
+ * The cal_camerarx structure represents one CAMERARX instance.
+ *
+ * The cal_ctx structure represents the combination of one CSI-2 context, one
+ * processing context and one DMA context. Instance of struct cal_ctx are named
+ * ctx through the driver.
*/
struct cal_camerarx {
struct v4l2_subdev *sensor;
struct v4l2_fwnode_endpoint endpoint;
- struct cal_dev *dev;
+ struct cal_dev *cal;
struct cal_camerarx *cc;
/* v4l2_ioctl mutex */
bool dma_act;
};
-static inline u32 reg_read_field(struct cal_dev *dev, u32 offset, u32 mask)
+static inline u32 reg_read_field(struct cal_dev *cal, u32 offset, u32 mask)
{
- return FIELD_GET(mask, reg_read(dev, offset));
+ return FIELD_GET(mask, reg_read(cal, offset));
}
-static inline void reg_write_field(struct cal_dev *dev, u32 offset, u32 value,
+static inline void reg_write_field(struct cal_dev *cal, u32 offset, u32 value,
u32 mask)
{
- u32 val = reg_read(dev, offset);
+ u32 val = reg_read(cal, offset);
val &= ~mask;
val |= FIELD_PREP(mask, value);
- reg_write(dev, offset, val);
+ reg_write(cal, offset, val);
}
static const struct cal_fmt *find_format_by_pix(struct cal_ctx *ctx,
static u32 cal_data_get_phy_max_lanes(struct cal_ctx *ctx)
{
- struct cal_dev *dev = ctx->dev;
u32 phy_id = ctx->csi2_port;
- return dev->data->camerarx[phy_id].num_lanes;
+ return ctx->cal->data->camerarx[phy_id].num_lanes;
}
-static u32 cal_data_get_num_csi2_phy(struct cal_dev *dev)
+static u32 cal_data_get_num_csi2_phy(struct cal_dev *cal)
{
- return dev->data->num_csi2_phy;
+ return cal->data->num_csi2_phy;
}
-static int cal_camerarx_regmap_init(struct cal_dev *dev,
+static int cal_camerarx_regmap_init(struct cal_dev *cal,
struct cal_camerarx *cc,
unsigned int idx)
{
const struct cal_camerarx_data *phy_data;
unsigned int i;
- if (!dev->data)
+ if (!cal->data)
return -EINVAL;
- phy_data = &dev->data->camerarx[idx];
+ phy_data = &cal->data->camerarx[idx];
for (i = 0; i < F_MAX_FIELDS; i++) {
struct reg_field field = {
- .reg = dev->syscon_camerrx_offset,
+ .reg = cal->syscon_camerrx_offset,
.lsb = phy_data->fields[i].lsb,
.msb = phy_data->fields[i].msb,
};
* Here we update the reg offset with the
* value found in DT
*/
- cc->phy.fields[i] = devm_regmap_field_alloc(&dev->pdev->dev,
- dev->syscon_camerrx,
+ cc->phy.fields[i] = devm_regmap_field_alloc(&cal->pdev->dev,
+ cal->syscon_camerrx,
field);
if (IS_ERR(cc->phy.fields[i])) {
- cal_err(dev, "Unable to allocate regmap fields\n");
+ cal_err(cal, "Unable to allocate regmap fields\n");
return PTR_ERR(cc->phy.fields[i]);
}
}
return 0;
}
-static struct regmap *cal_get_camerarx_regmap(struct cal_dev *dev)
+static struct regmap *cal_get_camerarx_regmap(struct cal_dev *cal)
{
- struct platform_device *pdev = dev->pdev;
+ struct platform_device *pdev = cal->pdev;
struct regmap_config config = { };
struct regmap *regmap;
void __iomem *base;
"camerrx_control");
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base)) {
- cal_err(dev, "failed to ioremap\n");
+ cal_err(cal, "failed to ioremap\n");
return ERR_CAST(base);
}
- cal_dbg(1, dev, "ioresource %s at %pa - %pa\n",
+ cal_dbg(1, cal, "ioresource %s at %pa - %pa\n",
res->name, &res->start, &res->end);
config.reg_bits = 32;
static void camerarx_phy_enable(struct cal_ctx *ctx)
{
u32 phy_id = ctx->csi2_port;
- struct cal_camerarx *cc = ctx->dev->cc[phy_id];
+ struct cal_camerarx *cc = ctx->cal->cc[phy_id];
u32 max_lanes;
regmap_field_write(cc->phy.fields[F_CAMMODE], 0);
static void camerarx_phy_disable(struct cal_ctx *ctx)
{
u32 phy_id = ctx->csi2_port;
- struct cal_camerarx *cc = ctx->dev->cc[phy_id];
+ struct cal_camerarx *cc = ctx->cal->cc[phy_id];
regmap_field_write(cc->phy.fields[F_CTRLCLKEN], 0);
}
/*
* Camera Instance access block
*/
-static struct cal_camerarx *cc_create(struct cal_dev *dev, unsigned int core)
+static struct cal_camerarx *cc_create(struct cal_dev *cal, unsigned int core)
{
- struct platform_device *pdev = dev->pdev;
+ struct platform_device *pdev = cal->pdev;
struct cal_camerarx *cc;
int ret;
"cal_rx_core1");
cc->base = devm_ioremap_resource(&pdev->dev, cc->res);
if (IS_ERR(cc->base)) {
- cal_err(dev, "failed to ioremap\n");
+ cal_err(cal, "failed to ioremap\n");
return ERR_CAST(cc->base);
}
- cal_dbg(1, dev, "ioresource %s at %pa - %pa\n",
+ cal_dbg(1, cal, "ioresource %s at %pa - %pa\n",
cc->res->name, &cc->res->start, &cc->res->end);
- ret = cal_camerarx_regmap_init(dev, cc, core);
+ ret = cal_camerarx_regmap_init(cal, cc, core);
if (ret)
return ERR_PTR(ret);
/*
* Get Revision and HW info
*/
-static void cal_get_hwinfo(struct cal_dev *dev)
+static void cal_get_hwinfo(struct cal_dev *cal)
{
u32 revision;
u32 hwinfo;
- revision = reg_read(dev, CAL_HL_REVISION);
- cal_dbg(3, dev, "CAL_HL_REVISION = 0x%08x (expecting 0x40000200)\n",
+ revision = reg_read(cal, CAL_HL_REVISION);
+ cal_dbg(3, cal, "CAL_HL_REVISION = 0x%08x (expecting 0x40000200)\n",
revision);
- hwinfo = reg_read(dev, CAL_HL_HWINFO);
- cal_dbg(3, dev, "CAL_HL_HWINFO = 0x%08x (expecting 0xA3C90469)\n",
+ hwinfo = reg_read(cal, CAL_HL_HWINFO);
+ cal_dbg(3, cal, "CAL_HL_HWINFO = 0x%08x (expecting 0xA3C90469)\n",
hwinfo);
}
* Core 0: 0x4845 B828 = 0x0000 0040
* Core 1: 0x4845 B928 = 0x0000 0040
*/
-static void i913_errata(struct cal_dev *dev, unsigned int port)
+static void i913_errata(struct cal_dev *cal, unsigned int port)
{
- u32 reg10 = reg_read(dev->cc[port], CAL_CSI2_PHY_REG10);
+ u32 reg10 = reg_read(cal->cc[port], CAL_CSI2_PHY_REG10);
set_field(®10, 1, CAL_CSI2_PHY_REG10_I933_LDO_DISABLE_MASK);
- cal_dbg(1, dev, "CSI2_%d_REG10 = 0x%08x\n", port, reg10);
- reg_write(dev->cc[port], CAL_CSI2_PHY_REG10, reg10);
+ cal_dbg(1, cal, "CSI2_%d_REG10 = 0x%08x\n", port, reg10);
+ reg_write(cal->cc[port], CAL_CSI2_PHY_REG10, reg10);
}
-static void cal_quickdump_regs(struct cal_dev *dev)
+static void cal_quickdump_regs(struct cal_dev *cal)
{
- cal_info(dev, "CAL Registers @ 0x%pa:\n", &dev->res->start);
+ cal_info(cal, "CAL Registers @ 0x%pa:\n", &cal->res->start);
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 4,
- (__force const void *)dev->base,
- resource_size(dev->res), false);
+ (__force const void *)cal->base,
+ resource_size(cal->res), false);
- if (dev->ctx[0]) {
- cal_info(dev, "CSI2 Core 0 Registers @ %pa:\n",
- &dev->ctx[0]->cc->res->start);
+ if (cal->ctx[0]) {
+ cal_info(cal, "CSI2 Core 0 Registers @ %pa:\n",
+ &cal->ctx[0]->cc->res->start);
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 4,
- (__force const void *)dev->ctx[0]->cc->base,
- resource_size(dev->ctx[0]->cc->res),
+ (__force const void *)cal->ctx[0]->cc->base,
+ resource_size(cal->ctx[0]->cc->res),
false);
}
- if (dev->ctx[1]) {
- cal_info(dev, "CSI2 Core 1 Registers @ %pa:\n",
- &dev->ctx[1]->cc->res->start);
+ if (cal->ctx[1]) {
+ cal_info(cal, "CSI2 Core 1 Registers @ %pa:\n",
+ &cal->ctx[1]->cc->res->start);
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 4,
- (__force const void *)dev->ctx[1]->cc->base,
- resource_size(dev->ctx[1]->cc->res),
+ (__force const void *)cal->ctx[1]->cc->base,
+ resource_size(cal->ctx[1]->cc->res),
false);
}
}
CAL_CSI2_COMPLEXIO_IRQ_ECC_NO_CORRECTION_MASK;
/* Enable CIO error irqs */
- reg_write(ctx->dev, CAL_HL_IRQENABLE_SET(0),
+ reg_write(ctx->cal, CAL_HL_IRQENABLE_SET(0),
CAL_HL_IRQ_CIO_MASK(ctx->csi2_port));
- reg_write(ctx->dev, CAL_CSI2_COMPLEXIO_IRQENABLE(ctx->csi2_port),
+ reg_write(ctx->cal, CAL_CSI2_COMPLEXIO_IRQENABLE(ctx->csi2_port),
cio_err_mask);
/* Always enable OCPO error */
- reg_write(ctx->dev, CAL_HL_IRQENABLE_SET(0), CAL_HL_IRQ_OCPO_ERR_MASK);
+ reg_write(ctx->cal, CAL_HL_IRQENABLE_SET(0), CAL_HL_IRQ_OCPO_ERR_MASK);
/* Enable IRQ_WDMA_END 0/1 */
val = 0;
set_field(&val, 1, CAL_HL_IRQ_MASK(ctx->csi2_port));
- reg_write(ctx->dev, CAL_HL_IRQENABLE_SET(1), val);
+ reg_write(ctx->cal, CAL_HL_IRQENABLE_SET(1), val);
/* Enable IRQ_WDMA_START 0/1 */
val = 0;
set_field(&val, 1, CAL_HL_IRQ_MASK(ctx->csi2_port));
- reg_write(ctx->dev, CAL_HL_IRQENABLE_SET(2), val);
+ reg_write(ctx->cal, CAL_HL_IRQENABLE_SET(2), val);
/* Todo: Add VC_IRQ and CSI2_COMPLEXIO_IRQ handling */
- reg_write(ctx->dev, CAL_CSI2_VC_IRQENABLE(0), 0xFF000000);
+ reg_write(ctx->cal, CAL_CSI2_VC_IRQENABLE(0), 0xFF000000);
}
static void disable_irqs(struct cal_ctx *ctx)
u32 val;
/* Disable CIO error irqs */
- reg_write(ctx->dev, CAL_HL_IRQENABLE_CLR(0),
+ reg_write(ctx->cal, CAL_HL_IRQENABLE_CLR(0),
CAL_HL_IRQ_CIO_MASK(ctx->csi2_port));
- reg_write(ctx->dev, CAL_CSI2_COMPLEXIO_IRQENABLE(ctx->csi2_port),
+ reg_write(ctx->cal, CAL_CSI2_COMPLEXIO_IRQENABLE(ctx->csi2_port),
0);
/* Disable IRQ_WDMA_END 0/1 */
val = 0;
set_field(&val, 1, CAL_HL_IRQ_MASK(ctx->csi2_port));
- reg_write(ctx->dev, CAL_HL_IRQENABLE_CLR(1), val);
+ reg_write(ctx->cal, CAL_HL_IRQENABLE_CLR(1), val);
/* Disable IRQ_WDMA_START 0/1 */
val = 0;
set_field(&val, 1, CAL_HL_IRQ_MASK(ctx->csi2_port));
- reg_write(ctx->dev, CAL_HL_IRQENABLE_CLR(2), val);
+ reg_write(ctx->cal, CAL_HL_IRQENABLE_CLR(2), val);
/* Todo: Add VC_IRQ and CSI2_COMPLEXIO_IRQ handling */
- reg_write(ctx->dev, CAL_CSI2_VC_IRQENABLE(0), 0);
+ reg_write(ctx->cal, CAL_CSI2_VC_IRQENABLE(0), 0);
}
static void csi2_cio_power(struct cal_ctx *ctx, bool enable)
target_state = enable ? CAL_CSI2_COMPLEXIO_CFG_PWR_CMD_STATE_ON :
CAL_CSI2_COMPLEXIO_CFG_PWR_CMD_STATE_OFF;
- reg_write_field(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
+ reg_write_field(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
target_state, CAL_CSI2_COMPLEXIO_CFG_PWR_CMD_MASK);
for (i = 0; i < 10; i++) {
u32 current_state;
- current_state = reg_read_field(ctx->dev,
+ current_state = reg_read_field(ctx->cal,
CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
CAL_CSI2_COMPLEXIO_CFG_PWR_STATUS_MASK);
camerarx_phy_enable(ctx);
/* 2. Reset complex IO - Do not wait for reset completion */
- reg_write_field(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
+ reg_write_field(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
CAL_CSI2_COMPLEXIO_CFG_RESET_CTRL_OPERATIONAL,
CAL_CSI2_COMPLEXIO_CFG_RESET_CTRL_MASK);
ctx_dbg(3, ctx, "CAL_CSI2_COMPLEXIO_CFG(%d) = 0x%08x De-assert Complex IO Reset\n",
ctx->csi2_port,
- reg_read(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port)));
/* Dummy read to allow SCP reset to complete */
reg_read(ctx->cc, CAL_CSI2_PHY_REG0);
* Stop-state-timeout must be more than 100us as per CSI2 spec, so we
* calculate a timeout that's 100us (rounding up).
*/
- sscounter = DIV_ROUND_UP(clk_get_rate(ctx->dev->fclk), 10000 * 16 * 4);
+ sscounter = DIV_ROUND_UP(clk_get_rate(ctx->cal->fclk), 10000 * 16 * 4);
- val = reg_read(ctx->dev, CAL_CSI2_TIMING(ctx->csi2_port));
+ val = reg_read(ctx->cal, CAL_CSI2_TIMING(ctx->csi2_port));
set_field(&val, 1, CAL_CSI2_TIMING_STOP_STATE_X16_IO1_MASK);
set_field(&val, 1, CAL_CSI2_TIMING_STOP_STATE_X4_IO1_MASK);
set_field(&val, sscounter, CAL_CSI2_TIMING_STOP_STATE_COUNTER_IO1_MASK);
- reg_write(ctx->dev, CAL_CSI2_TIMING(ctx->csi2_port), val);
+ reg_write(ctx->cal, CAL_CSI2_TIMING(ctx->csi2_port), val);
ctx_dbg(3, ctx, "CAL_CSI2_TIMING(%d) = 0x%08x Stop States\n",
ctx->csi2_port,
- reg_read(ctx->dev, CAL_CSI2_TIMING(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_CSI2_TIMING(ctx->csi2_port)));
/* 4. Force FORCERXMODE */
- reg_write_field(ctx->dev, CAL_CSI2_TIMING(ctx->csi2_port),
+ reg_write_field(ctx->cal, CAL_CSI2_TIMING(ctx->csi2_port),
1, CAL_CSI2_TIMING_FORCE_RX_MODE_IO1_MASK);
ctx_dbg(3, ctx, "CAL_CSI2_TIMING(%d) = 0x%08x Force RXMODE\n",
ctx->csi2_port,
- reg_read(ctx->dev, CAL_CSI2_TIMING(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_CSI2_TIMING(ctx->csi2_port)));
/* E. Power up the PHY using the complex IO */
csi2_cio_power(ctx, true);
timeout = jiffies + msecs_to_jiffies(750);
while (time_before(jiffies, timeout)) {
- if (reg_read_field(ctx->dev,
+ if (reg_read_field(ctx->cal,
CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
CAL_CSI2_COMPLEXIO_CFG_RESET_DONE_MASK) ==
CAL_CSI2_COMPLEXIO_CFG_RESET_DONE_RESETCOMPLETED)
usleep_range(500, 5000);
}
- if (reg_read_field(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
+ if (reg_read_field(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
CAL_CSI2_COMPLEXIO_CFG_RESET_DONE_MASK) !=
CAL_CSI2_COMPLEXIO_CFG_RESET_DONE_RESETCOMPLETED)
ctx_err(ctx, "Timeout waiting for Complex IO reset done\n");
timeout = jiffies + msecs_to_jiffies(750);
while (time_before(jiffies, timeout)) {
- if (reg_read_field(ctx->dev,
+ if (reg_read_field(ctx->cal,
CAL_CSI2_TIMING(ctx->csi2_port),
CAL_CSI2_TIMING_FORCE_RX_MODE_IO1_MASK) == 0)
break;
usleep_range(500, 5000);
}
- if (reg_read_field(ctx->dev, CAL_CSI2_TIMING(ctx->csi2_port),
+ if (reg_read_field(ctx->cal, CAL_CSI2_TIMING(ctx->csi2_port),
CAL_CSI2_TIMING_FORCE_RX_MODE_IO1_MASK) != 0)
ctx_err(ctx, "Timeout waiting for stop state\n");
}
csi2_cio_power(ctx, false);
/* Assert Comple IO Reset */
- reg_write_field(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
+ reg_write_field(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
CAL_CSI2_COMPLEXIO_CFG_RESET_CTRL,
CAL_CSI2_COMPLEXIO_CFG_RESET_CTRL_MASK);
/* Wait for power down completion */
for (i = 0; i < 10; i++) {
- if (reg_read_field(ctx->dev,
+ if (reg_read_field(ctx->cal,
CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port),
CAL_CSI2_COMPLEXIO_CFG_RESET_DONE_MASK) ==
CAL_CSI2_COMPLEXIO_CFG_RESET_DONE_RESETONGOING)
}
ctx_dbg(3, ctx, "CAL_CSI2_COMPLEXIO_CFG(%d) = 0x%08x Complex IO in Reset (%d) %s\n",
ctx->csi2_port,
- reg_read(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port)), i,
+ reg_read(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port)), i,
(i >= 10) ? "(timeout)" : "");
/* Disable the phy */
static void csi2_lane_config(struct cal_ctx *ctx)
{
- u32 val = reg_read(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port));
+ u32 val = reg_read(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port));
u32 lane_mask = CAL_CSI2_COMPLEXIO_CFG_CLOCK_POSITION_MASK;
u32 polarity_mask = CAL_CSI2_COMPLEXIO_CFG_CLOCK_POL_MASK;
struct v4l2_fwnode_bus_mipi_csi2 *mipi_csi2 =
polarity_mask);
}
- reg_write(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port), val);
+ reg_write(ctx->cal, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port), val);
ctx_dbg(3, ctx, "CAL_CSI2_COMPLEXIO_CFG(%d) = 0x%08x\n",
ctx->csi2_port, val);
}
static void csi2_ppi_enable(struct cal_ctx *ctx)
{
- reg_write(ctx->dev, CAL_CSI2_PPI_CTRL(ctx->csi2_port), BIT(3));
- reg_write_field(ctx->dev, CAL_CSI2_PPI_CTRL(ctx->csi2_port),
+ reg_write(ctx->cal, CAL_CSI2_PPI_CTRL(ctx->csi2_port), BIT(3));
+ reg_write_field(ctx->cal, CAL_CSI2_PPI_CTRL(ctx->csi2_port),
1, CAL_CSI2_PPI_CTRL_IF_EN_MASK);
}
static void csi2_ppi_disable(struct cal_ctx *ctx)
{
- reg_write_field(ctx->dev, CAL_CSI2_PPI_CTRL(ctx->csi2_port),
+ reg_write_field(ctx->cal, CAL_CSI2_PPI_CTRL(ctx->csi2_port),
0, CAL_CSI2_PPI_CTRL_IF_EN_MASK);
}
{
u32 val;
- val = reg_read(ctx->dev, CAL_CSI2_CTX0(ctx->csi2_port));
+ val = reg_read(ctx->cal, CAL_CSI2_CTX0(ctx->csi2_port));
set_field(&val, ctx->cport, CAL_CSI2_CTX_CPORT_MASK);
/*
* DT type: MIPI CSI-2 Specs
set_field(&val, CAL_CSI2_CTX_ATT_PIX, CAL_CSI2_CTX_ATT_MASK);
set_field(&val, CAL_CSI2_CTX_PACK_MODE_LINE,
CAL_CSI2_CTX_PACK_MODE_MASK);
- reg_write(ctx->dev, CAL_CSI2_CTX0(ctx->csi2_port), val);
+ reg_write(ctx->cal, CAL_CSI2_CTX0(ctx->csi2_port), val);
ctx_dbg(3, ctx, "CAL_CSI2_CTX0(%d) = 0x%08x\n", ctx->csi2_port,
- reg_read(ctx->dev, CAL_CSI2_CTX0(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_CSI2_CTX0(ctx->csi2_port)));
}
static void pix_proc_config(struct cal_ctx *ctx)
*
* Instead of failing here just use 8 bpp as a default.
*/
- dev_warn_once(&ctx->dev->pdev->dev,
+ dev_warn_once(&ctx->cal->pdev->dev,
"%s:%d:%s: bpp:%d unsupported! Overwritten with 8.\n",
__FILE__, __LINE__, __func__, ctx->fmt->bpp);
extract = CAL_PIX_PROC_EXTRACT_B8;
break;
}
- val = reg_read(ctx->dev, CAL_PIX_PROC(ctx->csi2_port));
+ val = reg_read(ctx->cal, CAL_PIX_PROC(ctx->csi2_port));
set_field(&val, extract, CAL_PIX_PROC_EXTRACT_MASK);
set_field(&val, CAL_PIX_PROC_DPCMD_BYPASS, CAL_PIX_PROC_DPCMD_MASK);
set_field(&val, CAL_PIX_PROC_DPCME_BYPASS, CAL_PIX_PROC_DPCME_MASK);
set_field(&val, pack, CAL_PIX_PROC_PACK_MASK);
set_field(&val, ctx->cport, CAL_PIX_PROC_CPORT_MASK);
set_field(&val, 1, CAL_PIX_PROC_EN_MASK);
- reg_write(ctx->dev, CAL_PIX_PROC(ctx->csi2_port), val);
+ reg_write(ctx->cal, CAL_PIX_PROC(ctx->csi2_port), val);
ctx_dbg(3, ctx, "CAL_PIX_PROC(%d) = 0x%08x\n", ctx->csi2_port,
- reg_read(ctx->dev, CAL_PIX_PROC(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_PIX_PROC(ctx->csi2_port)));
}
static void cal_wr_dma_config(struct cal_ctx *ctx,
{
u32 val;
- val = reg_read(ctx->dev, CAL_WR_DMA_CTRL(ctx->csi2_port));
+ val = reg_read(ctx->cal, CAL_WR_DMA_CTRL(ctx->csi2_port));
set_field(&val, ctx->cport, CAL_WR_DMA_CTRL_CPORT_MASK);
set_field(&val, height, CAL_WR_DMA_CTRL_YSIZE_MASK);
set_field(&val, CAL_WR_DMA_CTRL_DTAG_PIX_DAT,
set_field(&val, CAL_WR_DMA_CTRL_PATTERN_LINEAR,
CAL_WR_DMA_CTRL_PATTERN_MASK);
set_field(&val, 1, CAL_WR_DMA_CTRL_STALL_RD_MASK);
- reg_write(ctx->dev, CAL_WR_DMA_CTRL(ctx->csi2_port), val);
+ reg_write(ctx->cal, CAL_WR_DMA_CTRL(ctx->csi2_port), val);
ctx_dbg(3, ctx, "CAL_WR_DMA_CTRL(%d) = 0x%08x\n", ctx->csi2_port,
- reg_read(ctx->dev, CAL_WR_DMA_CTRL(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_WR_DMA_CTRL(ctx->csi2_port)));
/*
* width/16 not sure but giving it a whirl.
* zero does not work right
*/
- reg_write_field(ctx->dev,
+ reg_write_field(ctx->cal,
CAL_WR_DMA_OFST(ctx->csi2_port),
(width / 16),
CAL_WR_DMA_OFST_MASK);
ctx_dbg(3, ctx, "CAL_WR_DMA_OFST(%d) = 0x%08x\n", ctx->csi2_port,
- reg_read(ctx->dev, CAL_WR_DMA_OFST(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_WR_DMA_OFST(ctx->csi2_port)));
- val = reg_read(ctx->dev, CAL_WR_DMA_XSIZE(ctx->csi2_port));
+ val = reg_read(ctx->cal, CAL_WR_DMA_XSIZE(ctx->csi2_port));
/* 64 bit word means no skipping */
set_field(&val, 0, CAL_WR_DMA_XSIZE_XSKIP_MASK);
/*
* is detected automagically
*/
set_field(&val, (width / 8), CAL_WR_DMA_XSIZE_MASK);
- reg_write(ctx->dev, CAL_WR_DMA_XSIZE(ctx->csi2_port), val);
+ reg_write(ctx->cal, CAL_WR_DMA_XSIZE(ctx->csi2_port), val);
ctx_dbg(3, ctx, "CAL_WR_DMA_XSIZE(%d) = 0x%08x\n", ctx->csi2_port,
- reg_read(ctx->dev, CAL_WR_DMA_XSIZE(ctx->csi2_port)));
+ reg_read(ctx->cal, CAL_WR_DMA_XSIZE(ctx->csi2_port)));
- val = reg_read(ctx->dev, CAL_CTRL);
+ val = reg_read(ctx->cal, CAL_CTRL);
set_field(&val, CAL_CTRL_BURSTSIZE_BURST128, CAL_CTRL_BURSTSIZE_MASK);
set_field(&val, 0xF, CAL_CTRL_TAGCNT_MASK);
set_field(&val, CAL_CTRL_POSTED_WRITES_NONPOSTED,
CAL_CTRL_POSTED_WRITES_MASK);
set_field(&val, 0xFF, CAL_CTRL_MFLAGL_MASK);
set_field(&val, 0xFF, CAL_CTRL_MFLAGH_MASK);
- reg_write(ctx->dev, CAL_CTRL, val);
- ctx_dbg(3, ctx, "CAL_CTRL = 0x%08x\n", reg_read(ctx->dev, CAL_CTRL));
+ reg_write(ctx->cal, CAL_CTRL, val);
+ ctx_dbg(3, ctx, "CAL_CTRL = 0x%08x\n", reg_read(ctx->cal, CAL_CTRL));
}
static void cal_wr_dma_addr(struct cal_ctx *ctx, unsigned int dmaaddr)
{
- reg_write(ctx->dev, CAL_WR_DMA_ADDR(ctx->csi2_port), dmaaddr);
+ reg_write(ctx->cal, CAL_WR_DMA_ADDR(ctx->csi2_port), dmaaddr);
}
static int cal_get_external_info(struct cal_ctx *ctx)
static irqreturn_t cal_irq(int irq_cal, void *data)
{
- struct cal_dev *dev = data;
+ struct cal_dev *cal = data;
struct cal_ctx *ctx;
struct cal_dmaqueue *dma_q;
u32 status;
- status = reg_read(dev, CAL_HL_IRQSTATUS(0));
+ status = reg_read(cal, CAL_HL_IRQSTATUS(0));
if (status) {
unsigned int i;
- reg_write(dev, CAL_HL_IRQSTATUS(0), status);
+ reg_write(cal, CAL_HL_IRQSTATUS(0), status);
if (status & CAL_HL_IRQ_OCPO_ERR_MASK)
- dev_err_ratelimited(&dev->pdev->dev, "OCPO ERROR\n");
+ dev_err_ratelimited(&cal->pdev->dev, "OCPO ERROR\n");
for (i = 0; i < 2; ++i) {
if (status & CAL_HL_IRQ_CIO_MASK(i)) {
- u32 cio_stat = reg_read(dev,
+ u32 cio_stat = reg_read(cal,
CAL_CSI2_COMPLEXIO_IRQSTATUS(i));
- dev_err_ratelimited(&dev->pdev->dev,
+ dev_err_ratelimited(&cal->pdev->dev,
"CIO%u error: %#08x\n", i, cio_stat);
- reg_write(dev, CAL_CSI2_COMPLEXIO_IRQSTATUS(i),
+ reg_write(cal, CAL_CSI2_COMPLEXIO_IRQSTATUS(i),
cio_stat);
}
}
}
/* Check which DMA just finished */
- status = reg_read(dev, CAL_HL_IRQSTATUS(1));
+ status = reg_read(cal, CAL_HL_IRQSTATUS(1));
if (status) {
unsigned int i;
/* Clear Interrupt status */
- reg_write(dev, CAL_HL_IRQSTATUS(1), status);
+ reg_write(cal, CAL_HL_IRQSTATUS(1), status);
for (i = 0; i < 2; ++i) {
if (isportirqset(status, i)) {
- ctx = dev->ctx[i];
+ ctx = cal->ctx[i];
spin_lock(&ctx->slock);
ctx->dma_act = false;
}
/* Check which DMA just started */
- status = reg_read(dev, CAL_HL_IRQSTATUS(2));
+ status = reg_read(cal, CAL_HL_IRQSTATUS(2));
if (status) {
unsigned int i;
/* Clear Interrupt status */
- reg_write(dev, CAL_HL_IRQSTATUS(2), status);
+ reg_write(cal, CAL_HL_IRQSTATUS(2), status);
for (i = 0; i < 2; ++i) {
if (isportirqset(status, i)) {
- ctx = dev->ctx[i];
+ ctx = cal->ctx[i];
dma_q = &ctx->vidq;
spin_lock(&ctx->slock);
goto err;
}
- pm_runtime_get_sync(&ctx->dev->pdev->dev);
+ pm_runtime_get_sync(&ctx->cal->pdev->dev);
csi2_ctx_config(ctx);
pix_proc_config(ctx);
if (ret) {
v4l2_subdev_call(ctx->sensor, core, s_power, 0);
ctx_err(ctx, "stream on failed in subdev\n");
- pm_runtime_put_sync(&ctx->dev->pdev->dev);
+ pm_runtime_put_sync(&ctx->cal->pdev->dev);
goto err;
}
csi2_ppi_enable(ctx);
if (debug >= 4)
- cal_quickdump_regs(ctx->dev);
+ cal_quickdump_regs(ctx->cal);
return 0;
ctx->next_frm = NULL;
spin_unlock_irqrestore(&ctx->slock, flags);
- pm_runtime_put_sync(&ctx->dev->pdev->dev);
+ pm_runtime_put_sync(&ctx->cal->pdev->dev);
}
static const struct vb2_ops cal_video_qops = {
static int of_cal_create_instance(struct cal_ctx *ctx, int inst)
{
- struct platform_device *pdev = ctx->dev->pdev;
+ struct platform_device *pdev = ctx->cal->pdev;
struct device_node *ep_node, *port, *sensor_node, *parent;
struct v4l2_fwnode_endpoint *endpoint;
struct v4l2_async_subdev *asd;
return ret;
}
-static struct cal_ctx *cal_create_instance(struct cal_dev *dev, int inst)
+static struct cal_ctx *cal_create_instance(struct cal_dev *cal, int inst)
{
struct cal_ctx *ctx;
struct v4l2_ctrl_handler *hdl;
int ret;
- ctx = devm_kzalloc(&dev->pdev->dev, sizeof(*ctx), GFP_KERNEL);
+ ctx = devm_kzalloc(&cal->pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return NULL;
/* save the cal_dev * for future ref */
- ctx->dev = dev;
+ ctx->cal = cal;
snprintf(ctx->v4l2_dev.name, sizeof(ctx->v4l2_dev.name),
"%s-%03d", CAL_MODULE_NAME, inst);
- ret = v4l2_device_register(&dev->pdev->dev, &ctx->v4l2_dev);
+ ret = v4l2_device_register(&cal->pdev->dev, &ctx->v4l2_dev);
if (ret)
goto err_exit;
ctx->v4l2_dev.ctrl_handler = hdl;
/* Make sure Camera Core H/W register area is available */
- ctx->cc = dev->cc[inst];
+ ctx->cc = cal->cc[inst];
/* Store the instance id */
ctx->csi2_port = inst;
static int cal_probe(struct platform_device *pdev)
{
- struct cal_dev *dev;
+ struct cal_dev *cal;
struct cal_ctx *ctx;
struct device_node *parent = pdev->dev.of_node;
struct regmap *syscon_camerrx;
int ret;
int irq;
- dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
- if (!dev)
+ cal = devm_kzalloc(&pdev->dev, sizeof(*cal), GFP_KERNEL);
+ if (!cal)
return -ENOMEM;
- dev->data = of_device_get_match_data(&pdev->dev);
- if (!dev->data) {
+ cal->data = of_device_get_match_data(&pdev->dev);
+ if (!cal->data) {
dev_err(&pdev->dev, "Could not get feature data based on compatible version\n");
return -ENODEV;
}
/* set pseudo v4l2 device name so we can use v4l2_printk */
- strscpy(dev->v4l2_dev.name, CAL_MODULE_NAME,
- sizeof(dev->v4l2_dev.name));
+ strscpy(cal->v4l2_dev.name, CAL_MODULE_NAME,
+ sizeof(cal->v4l2_dev.name));
/* save pdev pointer */
- dev->pdev = pdev;
+ cal->pdev = pdev;
- dev->fclk = devm_clk_get(&pdev->dev, "fck");
- if (IS_ERR(dev->fclk)) {
+ cal->fclk = devm_clk_get(&pdev->dev, "fck");
+ if (IS_ERR(cal->fclk)) {
dev_err(&pdev->dev, "cannot get CAL fclk\n");
- return PTR_ERR(dev->fclk);
+ return PTR_ERR(cal->fclk);
}
syscon_camerrx = syscon_regmap_lookup_by_phandle(parent,
* If syscon entry is not present then check if the
* camerrx_control resource is present.
*/
- syscon_camerrx = cal_get_camerarx_regmap(dev);
+ syscon_camerrx = cal_get_camerarx_regmap(cal);
if (IS_ERR(syscon_camerrx)) {
dev_err(&pdev->dev, "failed to get camerrx_control regmap\n");
return PTR_ERR(syscon_camerrx);
syscon_camerrx_offset = 0;
}
- dev->syscon_camerrx = syscon_camerrx;
- dev->syscon_camerrx_offset = syscon_camerrx_offset;
+ cal->syscon_camerrx = syscon_camerrx;
+ cal->syscon_camerrx_offset = syscon_camerrx_offset;
- dev->res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ cal->res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"cal_top");
- dev->base = devm_ioremap_resource(&pdev->dev, dev->res);
- if (IS_ERR(dev->base))
- return PTR_ERR(dev->base);
+ cal->base = devm_ioremap_resource(&pdev->dev, cal->res);
+ if (IS_ERR(cal->base))
+ return PTR_ERR(cal->base);
- cal_dbg(1, dev, "ioresource %s at %pa - %pa\n",
- dev->res->name, &dev->res->start, &dev->res->end);
+ cal_dbg(1, cal, "ioresource %s at %pa - %pa\n",
+ cal->res->name, &cal->res->start, &cal->res->end);
irq = platform_get_irq(pdev, 0);
- cal_dbg(1, dev, "got irq# %d\n", irq);
+ cal_dbg(1, cal, "got irq# %d\n", irq);
ret = devm_request_irq(&pdev->dev, irq, cal_irq, 0, CAL_MODULE_NAME,
- dev);
+ cal);
if (ret)
return ret;
- platform_set_drvdata(pdev, dev);
+ platform_set_drvdata(pdev, cal);
- dev->cc[0] = cc_create(dev, 0);
- if (IS_ERR(dev->cc[0]))
- return PTR_ERR(dev->cc[0]);
+ cal->cc[0] = cc_create(cal, 0);
+ if (IS_ERR(cal->cc[0]))
+ return PTR_ERR(cal->cc[0]);
- if (cal_data_get_num_csi2_phy(dev) > 1) {
- dev->cc[1] = cc_create(dev, 1);
- if (IS_ERR(dev->cc[1]))
- return PTR_ERR(dev->cc[1]);
+ if (cal_data_get_num_csi2_phy(cal) > 1) {
+ cal->cc[1] = cc_create(cal, 1);
+ if (IS_ERR(cal->cc[1]))
+ return PTR_ERR(cal->cc[1]);
} else {
- dev->cc[1] = NULL;
+ cal->cc[1] = NULL;
}
- dev->ctx[0] = NULL;
- dev->ctx[1] = NULL;
+ cal->ctx[0] = NULL;
+ cal->ctx[1] = NULL;
- dev->ctx[0] = cal_create_instance(dev, 0);
- if (cal_data_get_num_csi2_phy(dev) > 1)
- dev->ctx[1] = cal_create_instance(dev, 1);
- if (!dev->ctx[0] && !dev->ctx[1]) {
- cal_err(dev, "Neither port is configured, no point in staying up\n");
+ cal->ctx[0] = cal_create_instance(cal, 0);
+ if (cal_data_get_num_csi2_phy(cal) > 1)
+ cal->ctx[1] = cal_create_instance(cal, 1);
+ if (!cal->ctx[0] && !cal->ctx[1]) {
+ cal_err(cal, "Neither port is configured, no point in staying up\n");
return -ENODEV;
}
goto runtime_disable;
/* Just check we can actually access the module */
- cal_get_hwinfo(dev);
+ cal_get_hwinfo(cal);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
for (i = 0; i < CAL_NUM_CONTEXT; i++) {
- ctx = dev->ctx[i];
+ ctx = cal->ctx[i];
if (ctx) {
v4l2_async_notifier_unregister(&ctx->notifier);
v4l2_async_notifier_cleanup(&ctx->notifier);
static int cal_remove(struct platform_device *pdev)
{
- struct cal_dev *dev = platform_get_drvdata(pdev);
+ struct cal_dev *cal = platform_get_drvdata(pdev);
struct cal_ctx *ctx;
unsigned int i;
- cal_dbg(1, dev, "Removing %s\n", CAL_MODULE_NAME);
+ cal_dbg(1, cal, "Removing %s\n", CAL_MODULE_NAME);
pm_runtime_get_sync(&pdev->dev);
for (i = 0; i < CAL_NUM_CONTEXT; i++) {
- ctx = dev->ctx[i];
+ ctx = cal->ctx[i];
if (ctx) {
ctx_dbg(1, ctx, "unregistering %s\n",
video_device_node_name(&ctx->vdev));
static int cal_runtime_resume(struct device *dev)
{
- struct cal_dev *caldev = dev_get_drvdata(dev);
+ struct cal_dev *cal = dev_get_drvdata(dev);
- if (caldev->data->flags & DRA72_CAL_PRE_ES2_LDO_DISABLE) {
+ if (cal->data->flags & DRA72_CAL_PRE_ES2_LDO_DISABLE) {
/*
* Apply errata on both port everytime we (re-)enable
* the clock
*/
- i913_errata(caldev, 0);
- i913_errata(caldev, 1);
+ i913_errata(cal, 0);
+ i913_errata(cal, 1);
}
return 0;
projects / platform / kernel / linux-rpi.git / commitdiff