diff options
Diffstat (limited to 'drivers/input')
-rw-r--r-- | drivers/input/touchscreen/cyttsp4_core.h | 12 | ||||
-rw-r--r-- | drivers/input/touchscreen/cyttsp4_spi.c | 20 | ||||
-rw-r--r-- | drivers/input/touchscreen/cyttsp_core.h | 8 | ||||
-rw-r--r-- | drivers/input/touchscreen/cyttsp_i2c_common.c | 30 | ||||
-rw-r--r-- | drivers/input/touchscreen/cyttsp_spi.c | 6 |
5 files changed, 44 insertions, 32 deletions
diff --git a/drivers/input/touchscreen/cyttsp4_core.h b/drivers/input/touchscreen/cyttsp4_core.h index 86a254354136..8e0d4d490b20 100644 --- a/drivers/input/touchscreen/cyttsp4_core.h +++ b/drivers/input/touchscreen/cyttsp4_core.h @@ -369,9 +369,9 @@ struct cyttsp4 { struct cyttsp4_bus_ops { u16 bustype; - int (*write)(struct device *dev, u8 *xfer_buf, u8 addr, u8 length, + int (*write)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, const void *values); - int (*read)(struct device *dev, u8 *xfer_buf, u8 addr, u8 length, + int (*read)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, void *values); }; @@ -448,13 +448,13 @@ enum cyttsp4_event_id { /* y-axis, 0:origin is on top side of panel, 1: bottom */ #define CY_PCFG_ORIGIN_Y_MASK 0x80 -static inline int cyttsp4_adap_read(struct cyttsp4 *ts, u8 addr, int size, +static inline int cyttsp4_adap_read(struct cyttsp4 *ts, u16 addr, int size, void *buf) { return ts->bus_ops->read(ts->dev, ts->xfer_buf, addr, size, buf); } -static inline int cyttsp4_adap_write(struct cyttsp4 *ts, u8 addr, int size, +static inline int cyttsp4_adap_write(struct cyttsp4 *ts, u16 addr, int size, const void *buf) { return ts->bus_ops->write(ts->dev, ts->xfer_buf, addr, size, buf); @@ -463,9 +463,9 @@ static inline int cyttsp4_adap_write(struct cyttsp4 *ts, u8 addr, int size, extern struct cyttsp4 *cyttsp4_probe(const struct cyttsp4_bus_ops *ops, struct device *dev, u16 irq, size_t xfer_buf_size); extern int cyttsp4_remove(struct cyttsp4 *ts); -int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u8 addr, +int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, const void *values); -int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u8 addr, +int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, void *values); extern const struct dev_pm_ops cyttsp4_pm_ops; diff --git a/drivers/input/touchscreen/cyttsp4_spi.c b/drivers/input/touchscreen/cyttsp4_spi.c index f8f891bead34..a71e1141d638 100644 --- a/drivers/input/touchscreen/cyttsp4_spi.c +++ b/drivers/input/touchscreen/cyttsp4_spi.c @@ -44,7 +44,7 @@ #define CY_SPI_DATA_BUF_SIZE (CY_SPI_CMD_BYTES + CY_SPI_DATA_SIZE) static int cyttsp_spi_xfer(struct device *dev, u8 *xfer_buf, - u8 op, u8 reg, u8 *buf, int length) + u8 op, u16 reg, u8 *buf, int length) { struct spi_device *spi = to_spi_device(dev); struct spi_message msg; @@ -63,14 +63,12 @@ static int cyttsp_spi_xfer(struct device *dev, u8 *xfer_buf, memset(wr_buf, 0, CY_SPI_DATA_BUF_SIZE); memset(rd_buf, 0, CY_SPI_CMD_BYTES); - if (reg > 255) - wr_buf[0] = op + CY_SPI_A8_BIT; - else - wr_buf[0] = op; - if (op == CY_SPI_WR_OP) - wr_buf[1] = reg % 256; - if (op == CY_SPI_WR_OP && length > 0) - memcpy(wr_buf + CY_SPI_CMD_BYTES, buf, length); + wr_buf[0] = op + (((reg >> 8) & 0x1) ? CY_SPI_A8_BIT : 0); + if (op == CY_SPI_WR_OP) { + wr_buf[1] = reg & 0xFF; + if (length > 0) + memcpy(wr_buf + CY_SPI_CMD_BYTES, buf, length); + } memset(xfer, 0, sizeof(xfer)); spi_message_init(&msg); @@ -130,7 +128,7 @@ static int cyttsp_spi_xfer(struct device *dev, u8 *xfer_buf, } static int cyttsp_spi_read_block_data(struct device *dev, u8 *xfer_buf, - u8 addr, u8 length, void *data) + u16 addr, u8 length, void *data) { int rc; @@ -143,7 +141,7 @@ static int cyttsp_spi_read_block_data(struct device *dev, u8 *xfer_buf, } static int cyttsp_spi_write_block_data(struct device *dev, u8 *xfer_buf, - u8 addr, u8 length, const void *data) + u16 addr, u8 length, const void *data) { return cyttsp_spi_xfer(dev, xfer_buf, CY_SPI_WR_OP, addr, (void *)data, length); diff --git a/drivers/input/touchscreen/cyttsp_core.h b/drivers/input/touchscreen/cyttsp_core.h index 0cf564a79fb5..07074110a902 100644 --- a/drivers/input/touchscreen/cyttsp_core.h +++ b/drivers/input/touchscreen/cyttsp_core.h @@ -112,9 +112,9 @@ struct cyttsp; struct cyttsp_bus_ops { u16 bustype; - int (*write)(struct device *dev, u8 *xfer_buf, u8 addr, u8 length, + int (*write)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, const void *values); - int (*read)(struct device *dev, u8 *xfer_buf, u8 addr, u8 length, + int (*read)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, void *values); }; @@ -145,9 +145,9 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, struct device *dev, int irq, size_t xfer_buf_size); void cyttsp_remove(struct cyttsp *ts); -int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u8 addr, +int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, const void *values); -int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u8 addr, +int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u16 addr, u8 length, void *values); extern const struct dev_pm_ops cyttsp_pm_ops; diff --git a/drivers/input/touchscreen/cyttsp_i2c_common.c b/drivers/input/touchscreen/cyttsp_i2c_common.c index 07c553fbcef2..1d7b6f154168 100644 --- a/drivers/input/touchscreen/cyttsp_i2c_common.c +++ b/drivers/input/touchscreen/cyttsp_i2c_common.c @@ -32,18 +32,20 @@ #include <linux/types.h> int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, - u8 addr, u8 length, void *values) + u16 addr, u8 length, void *values) { struct i2c_client *client = to_i2c_client(dev); + u8 client_addr = client->addr | ((addr >> 8) & 0x1); + u8 addr_lo = addr & 0xFF; struct i2c_msg msgs[] = { { - .addr = client->addr, + .addr = client_addr, .flags = 0, .len = 1, - .buf = &addr, + .buf = &addr_lo, }, { - .addr = client->addr, + .addr = client_addr, .flags = I2C_M_RD, .len = length, .buf = values, @@ -60,17 +62,29 @@ int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, EXPORT_SYMBOL_GPL(cyttsp_i2c_read_block_data); int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, - u8 addr, u8 length, const void *values) + u16 addr, u8 length, const void *values) { struct i2c_client *client = to_i2c_client(dev); + u8 client_addr = client->addr | ((addr >> 8) & 0x1); + u8 addr_lo = addr & 0xFF; + struct i2c_msg msgs[] = { + { + .addr = client_addr, + .flags = 0, + .len = length + 1, + .buf = xfer_buf, + }, + }; int retval; - xfer_buf[0] = addr; + xfer_buf[0] = addr_lo; memcpy(&xfer_buf[1], values, length); - retval = i2c_master_send(client, xfer_buf, length + 1); + retval = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (retval < 0) + return retval; - return retval < 0 ? retval : 0; + return retval != ARRAY_SIZE(msgs) ? -EIO : 0; } EXPORT_SYMBOL_GPL(cyttsp_i2c_write_block_data); diff --git a/drivers/input/touchscreen/cyttsp_spi.c b/drivers/input/touchscreen/cyttsp_spi.c index 1df625337b84..4728bcb1916c 100644 --- a/drivers/input/touchscreen/cyttsp_spi.c +++ b/drivers/input/touchscreen/cyttsp_spi.c @@ -41,7 +41,7 @@ #define CY_SPI_BITS_PER_WORD 8 static int cyttsp_spi_xfer(struct device *dev, u8 *xfer_buf, - u8 op, u8 reg, u8 *buf, int length) + u8 op, u16 reg, u8 *buf, int length) { struct spi_device *spi = to_spi_device(dev); struct spi_message msg; @@ -126,14 +126,14 @@ static int cyttsp_spi_xfer(struct device *dev, u8 *xfer_buf, } static int cyttsp_spi_read_block_data(struct device *dev, u8 *xfer_buf, - u8 addr, u8 length, void *data) + u16 addr, u8 length, void *data) { return cyttsp_spi_xfer(dev, xfer_buf, CY_SPI_RD_OP, addr, data, length); } static int cyttsp_spi_write_block_data(struct device *dev, u8 *xfer_buf, - u8 addr, u8 length, const void *data) + u16 addr, u8 length, const void *data) { return cyttsp_spi_xfer(dev, xfer_buf, CY_SPI_WR_OP, addr, (void *)data, length); |