diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-i2c.c')
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-i2c.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-i2c.c b/linux/drivers/media/video/cx18/cx18-i2c.c index 64a259405..73e7e3a2e 100644 --- a/linux/drivers/media/video/cx18/cx18-i2c.c +++ b/linux/drivers/media/video/cx18/cx18-i2c.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-cards.h" #include "cx18-gpio.h" #include "cx18-av-core.h" @@ -181,12 +182,12 @@ static void cx18_setscl(void *data, int state) struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; - u32 r = read_reg(addr); + u32 r = cx18_read_reg(cx, addr); if (state) - write_reg_sync(r | SETSCL_BIT, addr); + cx18_write_reg_sync(cx, r | SETSCL_BIT, addr); else - write_reg_sync(r & ~SETSCL_BIT, addr); + cx18_write_reg_sync(cx, r & ~SETSCL_BIT, addr); } static void cx18_setsda(void *data, int state) @@ -194,12 +195,12 @@ static void cx18_setsda(void *data, int state) struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; - u32 r = read_reg(addr); + u32 r = cx18_read_reg(cx, addr); if (state) - write_reg_sync(r | SETSDL_BIT, addr); + cx18_write_reg_sync(cx, r | SETSDL_BIT, addr); else - write_reg_sync(r & ~SETSDL_BIT, addr); + cx18_write_reg_sync(cx, r & ~SETSDL_BIT, addr); } static int cx18_getscl(void *data) @@ -208,7 +209,7 @@ static int cx18_getscl(void *data) int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; - return read_reg(addr) & GETSCL_BIT; + return cx18_read_reg(cx, addr) & GETSCL_BIT; } static int cx18_getsda(void *data) @@ -217,7 +218,7 @@ static int cx18_getsda(void *data) int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; - return read_reg(addr) & GETSDL_BIT; + return cx18_read_reg(cx, addr) & GETSDL_BIT; } /* template for i2c-bit-algo */ @@ -422,29 +423,33 @@ int init_cx18_i2c(struct cx18 *cx) #endif } - if (read_reg(CX18_REG_I2C_2_WR) != 0x0003c02f) { + if (cx18_read_reg(cx, CX18_REG_I2C_2_WR) != 0x0003c02f) { /* Reset/Unreset I2C hardware block */ - write_reg(0x10000000, 0xc71004); /* Clock select 220MHz */ - write_reg_sync(0x10001000, 0xc71024); /* Clock Enable */ + /* Clock select 220MHz */ + cx18_write_reg(cx, 0x10000000, 0xc71004); + /* Clock Enable */ + cx18_write_reg_sync(cx, 0x10001000, 0xc71024); } /* courtesy of Steven Toth <stoth@hauppauge.com> */ - write_reg_sync(0x00c00000, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c00000, 0xc7001c); mdelay(10); - write_reg_sync(0x00c000c0, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c000c0, 0xc7001c); mdelay(10); - write_reg_sync(0x00c00000, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c00000, 0xc7001c); mdelay(10); - write_reg_sync(0x00c00000, 0xc730c8); /* Set to edge-triggered intrs. */ - write_reg_sync(0x00c00000, 0xc730c4); /* Clear any stale intrs */ + /* Set to edge-triggered intrs. */ + cx18_write_reg_sync(cx, 0x00c00000, 0xc730c8); + /* Clear any stale intrs */ + cx18_write_reg_sync(cx, 0x00c00000, 0xc730c4); /* Hw I2C1 Clock Freq ~100kHz */ - write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_1_WR); + cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR); cx18_setscl(&cx->i2c_algo_cb_data[0], 1); cx18_setsda(&cx->i2c_algo_cb_data[0], 1); /* Hw I2C2 Clock Freq ~100kHz */ - write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_2_WR); + cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR); cx18_setscl(&cx->i2c_algo_cb_data[1], 1); cx18_setsda(&cx->i2c_algo_cb_data[1], 1); @@ -458,8 +463,10 @@ void exit_cx18_i2c(struct cx18 *cx) { int i; CX18_DEBUG_I2C("i2c exit\n"); - write_reg(read_reg(CX18_REG_I2C_1_WR) | 4, CX18_REG_I2C_1_WR); - write_reg(read_reg(CX18_REG_I2C_2_WR) | 4, CX18_REG_I2C_2_WR); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_1_WR) | 4, + CX18_REG_I2C_1_WR); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_2_WR) | 4, + CX18_REG_I2C_2_WR); for (i = 0; i < 2; i++) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20) |