From 8460d519bc5a7145166f8954f08dde5ee75db85a Mon Sep 17 00:00:00 2001 From: Ismael Luceno Date: Thu, 6 Jun 2013 00:12:17 -0300 Subject: [media] solo6x10: reimplement SAA712x setup routine This cleans up the saa712x setup code and there are no functional changes. Signed-off-by: Ismael Luceno [hans.verkuil@cisco.com: add clarification that this is cleanup only] Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/solo6x10/solo6x10-tw28.c | 112 +++++++++++++++---------- 1 file changed, 66 insertions(+), 46 deletions(-) (limited to 'drivers/staging/media') diff --git a/drivers/staging/media/solo6x10/solo6x10-tw28.c b/drivers/staging/media/solo6x10/solo6x10-tw28.c index ad00e2b60323..af65ea655f15 100644 --- a/drivers/staging/media/solo6x10/solo6x10-tw28.c +++ b/drivers/staging/media/solo6x10/solo6x10-tw28.c @@ -513,62 +513,82 @@ static int tw2815_setup(struct solo_dev *solo_dev, u8 dev_addr) #define FIRST_ACTIVE_LINE 0x0008 #define LAST_ACTIVE_LINE 0x0102 -static void saa7128_setup(struct solo_dev *solo_dev) +static void saa712x_write_regs(struct solo_dev *dev, const uint8_t *vals, + int start, int n) { - int i; - unsigned char regs[128] = { - 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + for (;start < n; start++, vals++) { + /* Skip read-only registers */ + switch (start) { + /* case 0x00 ... 0x25: */ + case 0x2e ... 0x37: + case 0x60: + case 0x7d: + continue; + } + solo_i2c_writebyte(dev, SOLO_I2C_SAA, 0x46, start, *vals); + } +} + +#define SAA712x_reg7c (0x80 | ((LAST_ACTIVE_LINE & 0x100) >> 2) \ + | ((FIRST_ACTIVE_LINE & 0x100) >> 4)) + +static void saa712x_setup(struct solo_dev *dev) +{ + const int reg_start = 0x26; + const uint8_t saa7128_regs_ntsc[] = { + /* :0x26 */ + 0x0d, 0x00, + /* :0x28 */ + 0x59, 0x1d, 0x75, 0x3f, 0x06, 0x3f, + /* :0x2e XXX: read-only */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x1C, 0x2B, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, - 0x59, 0x1d, 0x75, 0x3f, 0x06, 0x3f, 0x00, 0x00, - 0x1c, 0x33, 0x00, 0x3f, 0x00, 0x00, 0x3f, 0x00, + /* :0x38 */ 0x1a, 0x1a, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, + /* :0x40 */ 0x00, 0x00, 0x00, 0x68, 0x10, 0x97, 0x4c, 0x18, 0x9b, 0x93, 0x9f, 0xff, 0x7c, 0x34, 0x3f, 0x3f, + /* :0x50 */ 0x3f, 0x83, 0x83, 0x80, 0x0d, 0x0f, 0xc3, 0x06, 0x02, 0x80, 0x71, 0x77, 0xa7, 0x67, 0x66, 0x2e, + /* :0x60 */ 0x7b, 0x11, 0x4f, 0x1f, 0x7c, 0xf0, 0x21, 0x77, - 0x41, 0x88, 0x41, 0x12, 0xed, 0x10, 0x10, 0x00, + 0x41, 0x88, 0x41, 0x52, 0xed, 0x10, 0x10, 0x00, + /* :0x70 */ + 0x41, 0xc3, 0x00, 0x3e, 0xb8, 0x02, 0x00, 0x00, + 0x00, 0x00, FIRST_ACTIVE_LINE, LAST_ACTIVE_LINE & 0xff, + SAA712x_reg7c, 0x00, 0xff, 0xff, + }, saa7128_regs_pal[] = { + /* :0x26 */ + 0x0d, 0x00, + /* :0x28 */ + 0xe1, 0x1d, 0x75, 0x3f, 0x06, 0x3f, + /* :0x2e XXX: read-only */ + 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* :0x38 */ + 0x1a, 0x1a, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, + /* :0x40 */ + 0x00, 0x00, 0x00, 0x68, 0x10, 0x97, 0x4c, 0x18, + 0x9b, 0x93, 0x9f, 0xff, 0x7c, 0x34, 0x3f, 0x3f, + /* :0x50 */ + 0x3f, 0x83, 0x83, 0x80, 0x0d, 0x0f, 0xc3, 0x06, + 0x02, 0x80, 0x0f, 0x77, 0xa7, 0x67, 0x66, 0x2e, + /* :0x60 */ + 0x7b, 0x02, 0x35, 0xcb, 0x8a, 0x09, 0x2a, 0x77, + 0x41, 0x88, 0x41, 0x52, 0xf1, 0x10, 0x20, 0x00, + /* :0x70 */ 0x41, 0xc3, 0x00, 0x3e, 0xb8, 0x02, 0x00, 0x00, - 0x00, 0x00, 0x08, 0xff, 0x80, 0x00, 0xff, 0xff, + 0x00, 0x00, 0x12, 0x30, + SAA712x_reg7c | 0x40, 0x00, 0xff, 0xff, }; - regs[0x7A] = FIRST_ACTIVE_LINE & 0xff; - regs[0x7B] = LAST_ACTIVE_LINE & 0xff; - regs[0x7C] = ((1 << 7) | - (((LAST_ACTIVE_LINE >> 8) & 1) << 6) | - (((FIRST_ACTIVE_LINE >> 8) & 1) << 4)); - - /* PAL: XXX: We could do a second set of regs to avoid this */ - if (solo_dev->video_type != SOLO_VO_FMT_TYPE_NTSC) { - regs[0x28] = 0xE1; - - regs[0x5A] = 0x0F; - regs[0x61] = 0x02; - regs[0x62] = 0x35; - regs[0x63] = 0xCB; - regs[0x64] = 0x8A; - regs[0x65] = 0x09; - regs[0x66] = 0x2A; - - regs[0x6C] = 0xf1; - regs[0x6E] = 0x20; - - regs[0x7A] = 0x06 + 12; - regs[0x7b] = 0x24 + 12; - regs[0x7c] |= 1 << 6; - } - - /* First 0x25 bytes are read-only? */ - for (i = 0x26; i < 128; i++) { - if (i == 0x60 || i == 0x7D) - continue; - solo_i2c_writebyte(solo_dev, SOLO_I2C_SAA, 0x46, i, regs[i]); - } - - return; + if (dev->video_type == SOLO_VO_FMT_TYPE_PAL) + saa712x_write_regs(dev, saa7128_regs_pal, reg_start, + sizeof(saa7128_regs_pal)); + else + saa712x_write_regs(dev, saa7128_regs_ntsc, reg_start, + sizeof(saa7128_regs_ntsc)); } int solo_tw28_init(struct solo_dev *solo_dev) @@ -609,7 +629,7 @@ int solo_tw28_init(struct solo_dev *solo_dev) return -EINVAL; } - saa7128_setup(solo_dev); + saa712x_setup(solo_dev); for (i = 0; i < solo_dev->tw28_cnt; i++) { if ((solo_dev->tw2865 & (1 << i))) -- cgit v1.2.3