From 55927684e7c616b0b0976cc52926997f2da5930d Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Tue, 25 Nov 2008 06:03:31 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-cards.c | 57 +++++++++++++++++++++++-------- drivers/media/video/em28xx/em28xx-reg.h | 18 ++++++++++ 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 /* */ -- 2.7.4