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authorDevin Heitmueller <devin.heitmueller@gmail.com>2008-11-25 06:03:31 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-29 17:53:41 -0200
commit55927684e7c616b0b0976cc52926997f2da5930d (patch)
tree52e97907f181cc7412a3b72c63cb685dc6b502ea /drivers/media/video
parent2f56c34b2bc25a5a3419715f38f7d761fcd61b23 (diff)
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V4L/DVB (9744): em28xx: cleanup XCLK register usage
Convert over to setting the XCLK register usage with the new em28xx_write_reg() function. Thanks to Ray Lu from Empia for providing the em2860/2880 datasheet. Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c57
-rw-r--r--drivers/media/video/em28xx/em28xx-reg.h18
2 files changed, 60 insertions, 15 deletions
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 5751b66..f3f8469 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1396,7 +1396,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2882_BOARD_PINNACLE_HYBRID_PRO:
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_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1410,7 +1412,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
break;
case EM2882_BOARD_TERRATEC_HYBRID_XS:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1432,7 +1436,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2880_BOARD_KWORLD_DVB_310U:
case EM2870_BOARD_KWORLD_350U:
case EM2881_BOARD_DNT_DA2_HYBRID:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1451,7 +1457,9 @@ 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_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1466,11 +1474,14 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2750_BOARD_UNKNOWN:
case EM2750_BOARD_DLCW_130:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x0a", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_FREQUENCY_48MHZ);
break;
case EM2861_BOARD_PLEXTOR_PX_TV100U:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1481,7 +1492,9 @@ 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_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1493,7 +1506,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
break;
case EM2870_BOARD_KWORLD_355U:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1504,7 +1519,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
break;
case EM2870_BOARD_COMPRO_VIDEOMATE:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1525,7 +1542,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
break;
case EM2870_BOARD_TERRATEC_XS_MT2060:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1553,12 +1572,17 @@ void em28xx_pre_card_setup(struct em28xx *dev)
em28xx_write_regs(dev, 0x08, "\xfe", 1);
mdelay(70);
/* switch em2880 rc protocol */
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x22", 1);
+ /* djh - I have serious doubts this is right... */
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_10MHZ);
/* should be added ir_codes here */
break;
case EM2820_BOARD_GADMEI_UTV310:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1567,8 +1591,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
break;
case EM2860_BOARD_GADMEI_UTV330:
- /* Turn on IR */
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x07", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
@@ -1576,7 +1601,9 @@ void em28xx_pre_card_setup(struct em28xx *dev)
break;
case EM2820_BOARD_MSI_VOX_USB_2:
- em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ EM28XX_XCLK_IR_RC5_MODE |
+ EM28XX_XCLK_FREQUENCY_12MHZ);
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK,
EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_100_KHZ);
diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h
index 98e9505..45d588c 100644
--- a/drivers/media/video/em28xx/em28xx-reg.h
+++ b/drivers/media/video/em28xx/em28xx-reg.h
@@ -51,6 +51,24 @@
#define EM28XX_R0E_AUDIOSRC 0x0e
#define EM28XX_R0F_XCLK 0x0f
+/* em28xx XCLK Register (0x0f) */
+#define EM28XX_XCLK_AUDIO_UNMUTE 0x80 /* otherwise audio muted */
+#define EM28XX_XCLK_I2S_MSB_TIMING 0x40 /* otherwise standard timing */
+#define EM28XX_XCLK_IR_RC5_MODE 0x20 /* otherwise NEC mode */
+#define EM28XX_XCLK_IR_NEC_CHK_PARITY 0x10
+#define EM28XX_XCLK_FREQUENCY_30MHZ 0x00 /* Freq. select (bits [3-0]) */
+#define EM28XX_XCLK_FREQUENCY_15MHZ 0x01
+#define EM28XX_XCLK_FREQUENCY_10MHZ 0x02
+#define EM28XX_XCLK_FREQUENCY_7_5MHZ 0x03
+#define EM28XX_XCLK_FREQUENCY_6MHZ 0x04
+#define EM28XX_XCLK_FREQUENCY_5MHZ 0x05
+#define EM28XX_XCLK_FREQUENCY_4_3MHZ 0x06
+#define EM28XX_XCLK_FREQUENCY_12MHZ 0x07
+#define EM28XX_XCLK_FREQUENCY_20MHZ 0x08
+#define EM28XX_XCLK_FREQUENCY_20MHZ_2 0x09
+#define EM28XX_XCLK_FREQUENCY_48MHZ 0x0a
+#define EM28XX_XCLK_FREQUENCY_24MHZ 0x0b
+
#define EM28XX_R10_VINMODE 0x10
#define EM28XX_R11_VINCTRL 0x11
#define EM28XX_R12_VINENABLE 0x12 /* */
generated by cgit v1.1 at 2024-07-07 23:31:39 +0000