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-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c60
-rw-r--r--drivers/media/video/em28xx/em28xx-reg.h13
2 files changed, 58 insertions, 15 deletions
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index d73d6616d88..1b4488a38c1 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1400,7 +1400,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2883_BOARD_KWORLD_HYBRID_A316:
case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
msleep(50);
/* Sets GPO/GPIO sequences for this device */
@@ -1412,7 +1414,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2882_BOARD_TERRATEC_HYBRID_XS:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
msleep(50);
/* should be added ir_codes here */
@@ -1432,7 +1436,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2870_BOARD_KWORLD_350U:
case EM2881_BOARD_DNT_DA2_HYBRID:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
msleep(50);
/* NOTE: EM2881_DNT_DA2_HYBRID spend 140 msleep for digital
@@ -1449,7 +1455,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2880_BOARD_MSI_DIGIVOX_AD:
case EM2880_BOARD_MSI_DIGIVOX_AD_II:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
msleep(50);
/* Sets GPO/GPIO sequences for this device */
@@ -1466,7 +1474,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2861_BOARD_PLEXTOR_PX_TV100U:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
/* FIXME guess */
/* Turn on analog audio output */
em28xx_write_regs_req(dev, 0x00, 0x08, "\xfd", 1);
@@ -1475,7 +1485,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2861_BOARD_KWORLD_PVRTV_300U:
case EM2880_BOARD_KWORLD_DVB_305U:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x4c", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
msleep(10);
em28xx_write_regs(dev, 0x08, "\x6d", 1);
msleep(10);
@@ -1485,7 +1497,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2870_BOARD_KWORLD_355U:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
msleep(50);
/* Sets GPO/GPIO sequences for this device */
@@ -1494,7 +1508,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2870_BOARD_COMPRO_VIDEOMATE:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
/* TODO: someone can do some cleanup here...
not everything's needed */
em28xx_write_regs(dev, 0x04, "\x00", 1);
@@ -1513,7 +1529,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2870_BOARD_TERRATEC_XS_MT2060:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
/* this device needs some gpio writes to get the DVB-T
demod work */
em28xx_write_regs(dev, 0x08, "\xfe", 1);
@@ -1525,7 +1543,10 @@ void em28xx_pre_card_setup(struct em28xx *dev)
break;
case EM2870_BOARD_PINNACLE_PCTV_DVB:
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
+
/* this device needs some gpio writes to get the
DVB-T demod work */
em28xx_write_regs(dev, 0x08, "\xfe", 1);
@@ -1541,7 +1562,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2820_BOARD_GADMEI_UTV310:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
/* Turn on analog audio output */
em28xx_write_regs_req(dev, 0x00, 0x08, "\xfd", 1);
break;
@@ -1549,20 +1572,27 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2860_BOARD_GADMEI_UTV330:
/* Turn on IR */
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x07", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
/* should be added ir_codes here */
break;
case EM2820_BOARD_MSI_VOX_USB_2:
em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ);
/* enables audio for that device */
em28xx_write_regs_req(dev, 0x00, 0x08, "\xfd", 1);
break;
case EM2874_BOARD_PINNACLE_PCTV_80E:
- /* Set 400 KHz clock */
- em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x45", 1);
+ /* Set 400 KHz clock and select secondary i2c bus */
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM2874_I2C_SECONDARY_BUS_SELECT |
+ EM28XX_I2C_FREQ_400_KHZ);
dev->digital_gpio = em2874_pinnacle_80e_digital;
break;
diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h
index 9727f3828db..98e95054e81 100644
--- a/drivers/media/video/em28xx/em28xx-reg.h
+++ b/drivers/media/video/em28xx/em28xx-reg.h
@@ -32,6 +32,19 @@
#define EM28XX_R08_GPIO 0x08 /* em2820 or upper */
#define EM28XX_R06_I2C_CLK 0x06
+
+/* em28xx I2C Clock Register (0x06) */
+#define EM28XX_I2C_CLK_ACK_LAST_READ 0x80
+#define EM28XX_I2C_CLK_WAIT_ENABLE 0x40
+#define EM28XX_I2C_EEPROM_ON_BOARD 0x08
+#define EM28XX_I2C_EEPROM_KEY_VALID 0x04
+#define EM2874_I2C_SECONDARY_BUS_SELECT 0x04 /* em2874 has two i2c busses */
+#define EM28XX_I2C_FREQ_1_5_MHZ 0x03 /* bus frequency (bits [1-0]) */
+#define EM28XX_I2C_FREQ_25_KHZ 0x02
+#define EM28XX_I2C_FREQ_400_KHZ 0x01
+#define EM28XX_I2C_FREQ_100_KHZ 0x00
+
+
#define EM28XX_R0A_CHIPID 0x0a
#define EM28XX_R0C_USBSUSP 0x0c /* */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 08:49:34 +0000